b1d78c8ee113b48103a9f230c75fa02aaabb9a8e
[gcc.git] / gcc / ChangeLog
1 Tue Jul 23 21:49:24 2002 J"orn Rennecke <joern.rennecke@superh.com>
2
3 * recog.c (asm_operand_ok): Allow float CONST_VECTORs for 'F'.
4 (constrain_operands): Likewise.
5 * regclass.c (record_reg_classes): Likewise.
6 * reload.c (find_reloads): Likewise.
7 * doc/md.texi: Likewise.
8
9 * reload.c (find_reloads_toplev): Use simplify_gen_subreg.
10 * simplify-rtx.c (simplify_subreg): When converting to a non-int
11 mode, try to convert to an integer mode of matching size first.
12
13 * simplify-rtx.x (simplify_subreg): When constructing a CONST_VECTOR
14 from individual subregs, check that each subreg has been generated
15 sucessfully.
16
17 2002-07-23 Neil Booth <neil@daikokuya.co.uk>
18
19 * genautomata.c (VLA_HWINT_SHORTEN, VLA_HWINT_LAST): Remove.
20 * df.c (HANDLE_SUBREG, FOR_EACH_BB_IN_BITMAP_REV,
21 FOR_EACH_BB_IN_SBITMAP): Remove.
22 * gcse.c (NEVER_SET, FOLLOW_BACK_EDGES): Remove.
23 * haifa-sched.c (DONE_PRIORITY, MAX_PRIORITY, TAIL_PRIORITY,
24 LAUNCH_PRIORITY, DONE_PRIORITY_P, LOW_PRIORITY_P): Remove.
25 * loop.c (PREFETCH_BLOACK_IN_LOOP_MIN,
26 PREFETCH_LIMIT_TO_SIMULTANEOUS): Remove.
27 * regrename.c (REGNO_MODE_OK_FOR_BASE_P): Remove.
28
29 2002-07-23 Gabriel Dos Reis <gdr@nerim.net>
30
31 * pretty-print.h: New file.
32
33 2002-07-23 Paul Koning <pkoning@equallogic.com>
34
35 * real.c (REAL_WORDS_BIG_ENDIAN): Make 1 for DEC.
36 (LARGEST_EXPONENT_IS_NORMAL): Ditto.
37 (VAX_HALFWORD_ORDER): Define (1 for DEC VAX, 0 otherwise).
38 (TARGET_G_FLOAT): Default to 0 if not defined.
39 (ieeetoe): New, common routine to convert target format floats
40 to internal form.
41 (e24toe, e53toe): Change to use ieeetoe, distinguish DEC
42 vs. others.
43 (e113toe): Change to use ieeetoe.
44
45 2002-07-23 Roman Lechtchinsky <rl@cs.tu-berlin.de>
46
47 * real.c (REAL_WORDS_BIG_ENDIAN): Make sure it is 0 for DEC and 1 for
48 IBM.
49 (e53toe): Assume IEEE if non of DEC, IBM and C4X is defined.
50 (e64toe): Remove special cases for DEC and IBM. Remove support for
51 ARM_EXTENDED_IEEE_FORMAT.
52 (e24toe): Remove special cases for DEC.
53 (significand_size): Simplify. Indent.
54 (ieee_format, ieee_24, ieee_53, ieee_64, ieee_113): New.
55 (etoieee, toieee): New.
56 (etoe113, toe113, etoe64, toe64, etoe53, toe53, etoe24, toe24): Use
57 etoieee and toieee for IEEE arithmetic.
58
59 2002-07-23 Gabriel Dos Reis <gdr@nerim.net>
60
61 * doc/extend.texi: Say ISO C90, not ISO C89.
62 * doc/invoke.texi: Likewise.
63 * doc/standards.texi: Likewise.
64
65 2002-07-23 Steve Ellcey <sje@cup.hp.com>
66
67 * gcc/explow.c (convert_memory_address): Fix conversion of CONSTs.
68 Fix permutation of conversion and plus/mult.
69 * gcc/builtins.c (expand_builtin_memcpy) Ensure return pointer is
70 ptr_mode and not Pmode when POINTERS_EXTEND_UNSIGNED is defined.
71 (expand_builtin_strncpy) Ditto.
72 (expand_builtin_memset) Ditto.
73
74 2002-07-23 Gabriel Dos Reis <gdr@nerim.net>
75
76 Fix PR/7363:
77 * c-common.c (c_sizeof_or_alignof_type): New function.
78 (c_alignof): Remove definition.
79 * c-common.h (c_sizeof, c_alignof): Define as macros.
80 (c_sizeof_or_alignof_type): Declare.
81 (my_friendly_assert): Moved from cp/cp-tree.h
82 * c-typeck.c (c_sizeof): Remove definition.
83
84 2002-07-23 Jan Hubicka <jh@suse.cz>
85
86 * gcse.c (try_replace_reg): Use num_changes_pending.
87 * recog.c (num_changes_pending): New function.
88 (validate_replace_src): Use validate_repalce_src_group.
89 (validate_replace_src_group): New.
90 * recog.h (validate_repalce_src_group): New.
91 (num_changes_pending): Likewise.
92
93 Tue Jul 23 12:16:58 2002 J"orn Rennecke <joern.rennecke@superh.com>
94
95 * calls.c (emit_library_call_value_1): If
96 FUNCTION_ARG_PASS_BY_REFERENCE is true, pretend this is neither
97 libcall, const call nor pure call.
98
99 2002-07-23 Neil Booth <neil@daikokuya.co.uk>
100
101 * config/m88k/m88k.h (SECTION_ASM_OP): Remove.
102
103 2002-07-23 Neil Booth <neil@daikokuya.co.uk>
104
105 * vmsdbgout.c (SECTION_ASM_OP): Remove.
106
107 2002-07-23 Neil Booth <neil@daikokuya.co.uk>
108
109 * config/i386/i386.c (AT_BP): Remove.
110
111 2002-07-23 Neil Booth <neil@daikokuya.co.uk>
112
113 * defaults.h (obstack_chunk_alloc, obstack_chunk_free):
114 Default definition.
115 * gcse.c: Don't define obstack_chunk_free.
116 * collect2.c, conflict.c, df.c, diagnostic.c, fix-header.c,
117 flow.c, gcc.c, genattrtab.c, genautomata.c, genflags.c, gensupport.c,
118 integrate.c, loop.c, ra.c, read-rtl.c, regrename.c, reload1.c,
119 reorg.c, tlink.c, tree.c, config/arm/arm.c, objc/objc-act.c:
120 Don't define obstack macros.
121
122 2002-07-22 Stephane Carrez <stcarrez@nerim.fr>
123
124 PR target/6744
125 * config/m68hc11/m68hc11.c (m68hc11_z_replacement): Also replace
126 ASM_OPERANDS instructions.
127
128 2002-07-22 Stephane Carrez <stcarrez@nerim.fr>
129
130 PR target/7361
131 * config/m68hc11/m68hc11.c (go_if_legitimate_address_internal): Accept
132 constant addresses only on 68HC12.
133
134 2002-07-22 Neil Booth <neil@daikokuya.co.uk>
135
136 * cppfiles.c (stack_include_file): Correct test of whether
137 a dependency should be output.
138
139 2002-07-22 David Edelsohn <edelsohn@gnu.org>
140
141 * collect2.c (is_ctor_dtor): Add other possible JOINER values.
142
143 2002-07-22 Richard Earnshaw <rearnsha@arm.com>
144
145 * arm.md (movqi): If optimizing and we can create pseudos, use
146 a ZERO_EXTEND to load from memory, then copy the result into the
147 target.
148 (movhi): Likewise, but only for ARMv4.
149
150 2002-07-22 Neil Booth <neil@daikokuya.co.uk>
151
152 * ssa-ccp.c (PHI_PARMS): Remove.
153
154 2002-07-22 Richard Sandiford <rsandifo@redhat.com>
155
156 * config/mips/mips.h (CLASS_CANNOT_CHANGE_MODE): Include FP_REGS
157 on big-endian targets.
158
159 2002-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160
161 * hwint.h (HOST_WIDE_INT_PRINT_DEC_SPACE,
162 HOST_WIDE_INT_PRINT_UNSIGNED_SPACE,
163 HOST_WIDEST_INT_PRINT_DEC_SPACE, HOST_WIDEST_INT_PRINT_DEC_SPACE):
164 New formatting macros.
165
166 * ra-debug.c (dump_static_insn_cost): Avoid string concatenation.
167
168 Mon Jul 22 15:27:25 2002 J"orn Rennecke <joern.rennecke@superh.com>
169
170 * rtlanal.c (subreg_regno_offset): Return correct offset for
171 big endian paradoxical subregs.
172
173 * optabs.c (expand_vector_unop): Don't expand using sub_optab
174 if we got the wrong mode.
175
176 * hwint.c (define HOST_WIDE_INT_PRINT_DEC_C): New define.
177 * genrecog.c (write_switch, write_cond): Use it.
178 * genemit.c (gen_exp): Likewise.
179
180 2002-07-22 Jakub Jelinek <jakub@redhat.com>
181
182 * c-decl.c (build_compound_literal): Set decl TREE_READONLY from TYPE.
183
184 2002-07-22 Jakub Jelinek <jakub@redhat.com>
185
186 * c-decl.c (build_compound_literal): Defer compound literal decls
187 until until file end to emit them only if they are actually used.
188
189 2002-07-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
190
191 * ra-build.c (check_conflict_numbers): Hide unused function.
192 (livethrough_conflicts_bb): Avoid automatic aggregate
193 initialization.
194 (parts_to_webs_1): Avoid `U' integer constant modifier.
195 (conflicts_between_webs): Wrap a variable in the macro controlling
196 its usage.
197 * ra-debug.c (ra_debug_msg): Use VA_OPEN/VA_CLOSE.
198 (dump_igraph, dump_graph_cost): Avoid string concatenation
199 (dump_static_insn_cost): Avoid automatic aggregate
200 initialization.
201 * ra-rewrite.c (insert_stores): Avoid automatic aggregate
202 initialization.
203 (dump_cost): Avoid string concatenation
204
205 2002-07-21 Richard Henderson <rth@redhat.com>
206
207 * expr.c (expand_expr) [TRY_FINALLY_EXPR]: Don't use
208 GOTO_SUBROUTINE_EXPR when finally_block can be re-expanded.
209
210 2002-07-21 Richard Henderson <rth@redhat.com>
211
212 * unroll.c (find_splittable_givs): Do not split DEST_ADDR givs
213 that are not unrolled completely.
214
215 2002-07-21 Richard Henderson <rth@redhat.com>
216
217 * loop.h (LOOP_AUTO_UNROLL): Rename from LOOP_FIRST_PASS.
218 * loop.c (strength_reduce): Update.
219 * toplev.c (rest_of_compilation): Do unrolling in the first
220 loop pass, not the second.
221
222 2002-07-21 Richard Henderson <rth@redhat.com>
223
224 * emit-rtl.c (set_mem_attributes): Preserve indirection of PARM_DECL
225 when flag_argument_noalias == 2.
226 * alias.c (nonoverlapping_memrefs_p): Handle that.
227 * print-rtl.c (print_mem_expr): Likewise.
228
229 2002-07-21 Hartmut Schirmer <hartmut.schirmer@arcor.de>
230
231 * libgcc2.c (__divdi3, __moddi3): Use unary minus operator
232 instead of __negdi2 directly.
233
234 2002-07-21 Neil Booth <neil@daikokuya.co.uk>
235
236 * gengenrtl.c (gencode): Don't define obstack_alloc_rtx.
237 * function.c (SYMBOL__MAIN): Remove definition.
238 * global.c (SET_CONFLICT, REGBITP, ALLOCNO_LIVE_P): Remove.
239 * predict.c (PROB_NEVER, PROB_LIKELY, PROB_UNLIKELY): Remove.
240 * profile.c (GCOV_INDEX_TO_BB): Remove.
241 * sched-rgn.c (ABS_VALUE, MIN_DIFF_PRIORITY, MIN_PROB_DIFF): Remove.
242 * simplify-rtx.c (FIXED_BASE_PLUS_P): Remove.
243
244 2002-07-21 Neil Booth <neil@daikokuya.co.uk>
245
246 * c-lex.c (GET_ENVIRONMENT): Remove.
247 * collect2.c (GET_ENV_PATH_LIST): Remove.
248 (prefix_from_env): Use GET_ENVIRONMENT.
249 * cppinit.c (GET_ENV_PATH_LIST): Remove.
250 (init_standard_includes): Use GET_ENVIRONMENT.
251 * defaults.h (GET_ENVIRONMENT): Define here if not already.
252 * gcc.c (GET_ENV_PATH_LIST): Remove.
253 (make_relative_prefix, process_command): Update.
254 * protoize.c (GET_ENV_PATH_LIST): Remove.
255 (do_processing): Update.
256
257 2002-07-21 Gabriel Dos Reis <gdr@nerim.net>
258
259 * c-decl.c (build_array_declarator): Say 'ISO C90', not 'ISO C89'.
260 (grokdeclarator): Likewise.
261 * c-format.c (C_STD_NAME): Likewise.
262 * c-lex.c (interpret_integer): Likewise.
263 * c-typeck.c (build_array_ref): Likewise.
264 * cpplex.c (_cpp_lex_direct): Likewise.
265 * toplev.c (documented_lang_options): Likewise.
266
267 2002-07-21 Neil Booth <neil@daikokuya.co.uk>
268
269 * c-format.c (T99_I, T99_UI): Remove.
270
271 2002-07-21 Neil Booth <neil@daikokuya.co.uk>
272
273 * c-typeck.c (SAVE_SPELLING_DEPTH): Remove.
274
275 Sun Jul 21 21:36:41 CEST 2002 Jan Hubicka <jh@suse.cz>
276
277 * gcse.c (do_local_cprop): Do not extend lifetimes of registers set by
278 do_local_cprop.
279
280 2002-07-21 Andreas Jaeger <aj@suse.de>
281
282 * reload1.c (fixup_abnormal_edges): Remove unused variable.
283
284 2002-07-21 Bernd Schmidt <bernds@redhat.com>
285
286 Improvements for the ifcvt pass from Michael Meissner, with patches
287 by Richard Sandiford <rsandifo@redhat.com>
288 * basic-block.h (struct ce_if_block, ce_if_block_t): New types.
289 * ifcvt.c (cond_exec_changed_p): New static variable.
290 (last_active_insn): New function, renamed from last_active_insn_p
291 and changed to return the last active insn in a basic block. All
292 callers updated.
293 (block_fallthru): New function.
294 (cond_exec_process_insns): New argument CE_INFO. Pass it to
295 IFCVT_MODIFY_INSN. All callers updated.
296 Return false if START or END are NULL.
297 Handle case where we're processing an insn that is already
298 conditional.
299
300 (noce_process_if_block): CE_INFO argument rather than
301 multiple args containing the involved basic blocks. All callers
302 changed.
303 (process_if_block, merge_if_block, find_if_block,
304 cond_exec_process_if_block): Likewise.
305
306 (cond_exec_process_if_block): New arg DO_MULTIPLE_P. All callers
307 changed.
308 Use new function last_active_insn to simplify some code.
309 New code to handle multiple tests.
310 Call IFCVT_MODIFY_CANCEL in all failure cases, otherwise set
311 cond_exec_changed_p to TRUE.
312
313 (process_if_block): New code to handle multiple tests.
314 (merge_if_block): Likewise.
315 (find_if_header): New arg PASS. Changed to return the currently
316 processed basic block or NULL instead of true/false. All callers
317 changed.
318 Call IFCVT_INIT_EXTRA_FIELDS.
319 (block_jumps_and_fallthru_p): New function.
320 (find_if_block): Discover opportunities to convert multiple tests.
321 Add additional debugging output.
322 Update the ce_info structure before returning.
323
324 (if_convert): Run multiple passes of if-conversion.
325 * doc/tm.texi (IFCVT_MODIFY_TESTS, IFCVT_MODIFY_INSN,
326 IFCVT_MODIFY_FINAL, IFCVT_MODIFY_CANCEL, IFCVT_MODIFY_MULTIPLE_TESTS,
327 IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS): Update documentation for
328 these macros.
329
330 Sun Jul 21 00:54:54 CEST 2002 Jan Hubicka <jh@suse.cz>
331
332 * gcse.c: Include cselib.h
333 (constptop_register): Break out from ...
334 (cprop_insn): ... here; kill basic_block argument.
335 (do_local_cprop, local_cprop_pass): New functions.
336 (one_cprop_pass): Call local_cprop_pass.
337
338 2002-07-20 Roger Sayle <roger@eyesopen.com>
339
340 * simplify-rtx.c (simplify_relational_operation): Optimize
341 abs(x) < 0.0 (and abs(x) >= 0.0 when using -ffast-math).
342
343 2002-07-20 Michae Matz <matz@suse.de>
344
345 * ra-build.c: (remember_web_was_spilled): Use GENERAL_REGS.
346
347 2002-07-20 Neil Booth <neil@daikokuya.co.uk>
348
349 * cppexp.c (struct op): Add token pointer.
350 (check_promotion, CHECK_PROMOTION): New.
351 (optab): Update.
352 (_cpp_parse_expr): Update, use token pointer of struct op.
353 (reduce): Warn about change of sign owing to promotion.
354 * cppinit.c (cpp_handle_option): New warning if -Wall.
355 * cpplib.h (struct cpp_options): New member.
356
357 2002-07-19 David Edelsohn <edelsohn@gnu.org>
358
359 * config/rs6000/rs6000.md: Remove ppc630 fpcompare from single
360 fpu list. Separate Power4 compare and delayed_compare. Correct
361 Power4 fpcompare.
362 (fix_truncdfsi2_internal): Restore FPR preference.
363 * config/rs6000/t-aix43 (MULTILIB_MATCHES): Add mcpu?power3,
364 mcpu?power4, mcpu?604e. Remove mpower, mpower2, mpowerpc.
365
366 2002-07-19 Momchil Velikov <velco@fadata.bg>
367
368 * reload1.c (reload_as_needed): Duplicate oldpat.
369
370 2002-07-20 Alan Modra <amodra@bigpond.net.au>
371
372 PR optimization/7130
373 * loop.h (struct loop_info): Add "preconditioned".
374 * unroll.c (unroll_loop): Set it.
375 * doloop.c (doloop_modify_runtime): Correct count for unrolled loops.
376
377 2002-07-19 Zack Weinberg <zack@codesourcery.com>
378
379 * rtl.def (CODE_LABEL): Remove slot 8.
380 * rtl.h (struct rtx_def): Document new uses of jump and call fields.
381 (LABEL_ALTERNATE_NAME): Delete.
382 (LABEL_KIND, SET_LABEL_KIND, LABEL_ALT_ENTRY_P): New.
383 * defaults.h: Remove default for ASM_OUTPUT_ALTERNATE_LABEL_NAME.
384
385 * final.c (output_alternate_entry_point): New.
386 (final_scan_insn): Use it instead of
387 ASM_OUTPUT_ALTERNATE_LABEL_NAME. Do not consider possibility
388 of a case label being an alternate entry point.
389
390 * cfgbuild.c (make_edges, find_bb_boundaries): Use LABEL_ALT_ENTRY_P.
391 * emit-rtl.c (gen_label_rtx): Adjust call to gen_rtx_CODE_LABEL.
392 Do not clear LABEL_NUSES (unnecessary) or LABEL_ALTERNATE_NAME
393 (field deleted).
394 * print-rtl.c, ra-debug.c: Update code to output CODE_LABELs.
395
396 * doc/rtl.texi: Document LABEL_KIND, SET_LABEL_KIND, and
397 LABEL_ALT_ENTRY_P; not LABEL_ALTERNATE_NAME.
398 * doc/tm.texi: Delete documentation of
399 ASM_OUTPUT_ALTERNATE_LABEL_NAME.
400
401 2002-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
402
403 * config/mips/iris5gas.h (DWARF2_DEBUGGING_INFO): Define.
404 (PREFERRED_DEBUGGING_TYPE): Use DWARF2_DEBUG.
405 (LINK_SPEC): Define.
406 (STARTFILE_SPEC): Define.
407 (ENDFILE_SPEC): Define.
408
409 * config/mips/iris6-o32.h (LINK_SPEC): Move ...
410 * config/mips/iris6-o32-as.h (LINK_SPEC): ... here.
411
412 * config/mips/iris6-o32-gas.h: New file.
413 * config.gcc (mips-sgi-irix6*o32): Use it.
414
415 * config/mips/t-iris5-gas: New file.
416 * config.gcc (mips-sgi-irix6*o32, mips-sgi-irix5*): Use it.
417
418 2002-07-19 Neil Booth <neil@daikokuya.co.uk>
419
420 * cppexp.c (ALWAYS_EVAL): Remove.
421 (optab, reduce): Always evaluate.
422 (num_unary_op, num_binary_op, num_div_op): Issue diagnostics
423 only if not skipping evaluation.
424
425 2002-07-19 Marek Michalkiewicz <marekm@amelek.gda.pl>
426
427 * config/avr/avr.c (debug_hard_reg_set): Remove.
428
429 2002-07-19 Chris Demetriou <cgd@broadcom.com>
430
431 * gcc.c (cpp_options): Include "%1" (cc1_spec).
432
433 2002-07-19 Richard Henderson <rth@redhat.com>
434
435 * loop.c (loop_givs_rescan): Delete the REG_EQUAL note, not the insn.
436
437 2002-07-19 Alan Modra <amodra@bigpond.net.au>
438
439 * prefix.c (update_path): Don't zap single `.' path components
440 unless followed by another `.' and fix typo last patch.
441
442 2002-07-18 Neil Booth <neil@daikokuya.co.uk>
443
444 * cppexp.c (cpp_num_mul): Remove unused parameter.
445 (UNARY, BINARY, OTHER, binary_handler): Remove.
446 (ALWAYS_EVAL): New.
447 (optab): Update.
448 (reduce): Refactor to a large switch, don't use a function
449 pointer.
450
451 2002-07-18 Bo Thorsen <bo@berlioz.suse.de>
452
453 * config/i386/linux64.h (STARTFILE_PREFIX_SPEC): Define this always.
454
455 Thu Jul 18 19:39:18 2002 J"orn Rennecke <joern.rennecke@superh.com>
456
457 * sh-protos.h (sh_expand_unop_v2sf): Move inside #ifdef RTX_CODE guard.
458 (sh_expand_binop_v2sf): Likewise.
459 * sh.c (machine_dependent_reorg): Add move for UNSPEC_MOVA.
460 (int_gpr_dest, trunc_hi_operand): New functions.
461 * sh.h (PREDICATE_CODES): Add any_register_operand, int_gpr_dest and
462 trunc_hi_operand.
463 (SPECIAL_MODE_PREDICATES, any_register_operand): Define.
464 * sh.md (cmpeqdi_t+1): Remove comments that genrecog warns about.
465 (adddi3_compact+1, subdi3_compact+1, ashlsi3_n+1, ashlhi3+1): Likewise.
466 (ashrsi2_16+1, ashrsi2_31+1, lshrsi3_n+1, ashrdi3+[12]): Likewise.
467 (and_shl_scratch+[12], zero_extendhidi2+1): Likewise.
468 (zero_extendhisi2_media+1, extendhidi2+1, extendqidi2+1): Likewise.
469 (extendhisi2_media+1, extendqisi2_media+1): Likewise.
470 (movsi_media_nofpu+[12], movhi_media+1, movdi_media_nofpu+1): Likewise.
471 (movdi_const_16bit+[12], movdf_i4+[123], reload_outdf+[2-5]): Likewise.
472 (movsf_ie+1): Likewise.
473 (loaddi_trunc): Use int_gpr_dest predicate.
474 (use_sfunc_addr, indirect_jump_scratch, sibcall_compact): Add mode(s).
475 (mova, mova_const, GOTaddr2picreg, ptrel, casesi_worker_0): Likewise.
476 (casesi_worker_0+[12], casesi_worker): Likewise.
477 (shcompact_preserve_incoming_args): Likewise.
478 (mov_nop): Use any_register_operand predicate.
479 (mperm_w0): Use trunc_hi_operand predicate.
480
481 2002-07-18 John David Anglin <dave@hiauly1.hia.nrc.ca>
482
483 * pa-linux.h (DWARF2_UNWIND_INFO): Delete define.
484 * pa.h (EH_RETURN_DATA_REGNO): Revise TARGET_64BIT and correct
485 numbering.
486
487 2002-07-18 John David Anglin <dave@hiauly1.hia.nrc.ca>
488
489 * pa.c (output_deferred_plabels): Remove unused millicode enum mulU.
490
491 2002-07-18 Richard Henderson <rth@redhat.com>
492
493 PR optimization/7147
494 * ifcvt.c (noce_get_condition): Make certain that the condition
495 is valid at JUMP.
496
497 Thu Jul 18 13:44:51 2002 J"orn Rennecke <joern.rennecke@superh.com>
498
499 * sh.c (barrier_align, push): Shut up compiler warnings.
500 (initial_elimination_offset,sh_media_init_builtins): Likewise.
501 (reg_no_subreg_operand): Delete.
502
503 2002-07-17 Bo Thorsen <bo@suse.de>
504
505 * config/i386/linux64.h (LINK_SPEC): Remove bogus -Y option.
506 (STARTFILE_PREFIX_SPEC): Define for NATIVE_CROSS compilations.
507 (STARTFILE_SPEC): Remove hardcoded library paths.
508 (ENDFILE_SPEC): Likewise.
509
510 Thu Jul 18 09:38:59 CEST 2002 Jan Hubicka <jh@suse.cz>
511
512 * gcse.c (hoist_expr_reaches_here_p): Stop once expr_bb is reached.
513
514 * gcse.c (try_replace_reg): Do not return false positives.
515
516 2002-07-18 Alan Modra <amodra@bigpond.net.au>
517
518 * prefix.c: (update_path): Strip ".." components when prior dir
519 doesn't exist. Pass correct var to UPDATE_PATH_HOST_CANONICALIZE.
520
521 * config/rs6000/sysv4.h (ASM_OUTPUT_REG_PUSH): Remove 64-bit support.
522 (ASM_OUTPUT_REG_POP): Likewise.
523
524 2002-07-18 Alan Modra <amodra@bigpond.net.au>
525
526 * config/rs6000/rs6000.c (first_reg_to_save): Remove bogus
527 adjustments to first_reg for profiling case.
528 (output_function_profiler): Correct lr save slot for ABI_AIX_NODESC.
529 Disable profiling for 64 bit code on both ABI_V4 and ABI_AIX_NODESC.
530 Save static chain reg to sp + 12 on ABI_AIX_NODESC.
531 * config/rs6000/sysv4.h (ASM_OUTPUT_REG_PUSH): Define.
532 (ASM_OUTPUT_REG_POP): Define.
533 * config/rs6000/linux64.h (ASM_OUTPUT_REG_PUSH): Undef.
534 (ASM_OUTPUT_REG_POP): Undef.
535
536 2002-07-17 Neil Booth <neil@daikokuya.co.uk>
537
538 * cpplib.c (do_sccs): Handle #sccs on all systems.
539 * system.h (SCCS_DIRECTIVE): Poison.
540 * config/darwin.h, config/freebsd.h, config/netbsd.h,
541 config/ptx4.h, config/svr3.h, config/svr4.h, config/alpha/elf.h,
542 config/arm/linux-elf.h, config/c4x/c4x.h, config/d30v/d30v.h,
543 config/i370/i370.h, config/i386/gas.h, config/i386/sco5.h,
544 config/i960/i960.h, config/m68hc11/m68hc11.h, config/m68k/3b1.h,
545 config/m68k/3b1g.h, config/m68k/crds.h, config/m68k/mot3300.h,
546 config/m68k/pbb.h, config/m88k/m88k.h, config/mips/mips.h,
547 config/sparc/pbd.h, config/stormy16/stormy16.h, config/vax/vaxv.h:
548 Remove all references to SCCS_DIRECTIVE.
549 * doc/cpp.texi, doc/tm.texi: Update.
550
551 Wed Jul 17 19:23:32 2002 J"orn Rennecke <joern.rennecke@superh.com>
552
553 * regrename.c (maybe_mode_change): New function.
554 (find_oldest_value_reg, copyprop_hardreg_forward_1): Use it.
555
556 2002-07-17 Rodney Brown <rbrown64@csc.com.au>
557
558 * config/i386/i386.c (ix86_expand_int_movcc): In the general case
559 suppress addition when either ct or cf are zero.
560
561 2002-06-17 Eric Botcazou <ebotcazou@multimania.com>
562 Glen Nakamura <glen@imodulo.com>
563
564 PR optimization/6713
565 * loop.c (loop_givs_rescan): Explicitly delete the insn that
566 sets a non-replaceable giv after issuing the new one.
567
568 2002-07-17 Neil Booth <neil@daikokuya.co.uk>
569
570 * cppexp.c (cpp_interpret_integer, append_digit, parse_defined,
571 eval_token): Clarify and correct use of "bool" variables.
572 * cpplib.h (struct cpp_options): Similarly.
573 * cppmacro.c (parse_params, _cpp_save_parameter): Ditto.
574 * cpptrad.c (recursive_macro): Similarly.
575
576 Wed Jul 17 17:08:06 2002 J"orn Rennecke <joern.rennecke@superh.com>
577
578 * config/sh/lib1funcs.asm (udivsi3_i4): Implement SHcompact version in
579 SHmedia code.
580
581 * sh.md (cmpgtudi_media): Remove spurious @.
582
583 * config/sh/lib1funcs.asm (FMOVD_WORKS): Don't define for little endian.
584 * sh.h (OVERRIDE_OPTIONS): Don't set FMOVD_BIT for little endian.
585
586 * config/sh/lib1funcs.asm (init_trampoline): New entry point.
587 * sh-protos.h (sh_initialize_trampoline): Declare.
588 * sh.c (sh_initialize_trampoline): New function.
589 * sh.h (TRAMPOLINE_SIZE): Only 24 for TARGET_SHMEDIA32.
590 (TRAMPOLINE_ALIGNMENT): Need cache-line alignment for TARGET_SHMEDIA.
591 (INITIALIZE_TRAMPOLINE): Call sh_initialize_trampoline.
592 (TRAMPOLINE_ADJUST_ADDRESS): Not needed for SHcompact.
593 * sh.md (initialize_trampoline, double_shori): New patterns.
594 (initialize_trampoline_compact): Likewise.
595 (shmedia32_initialize_trampoline_big): Remove.
596 (shmedia32_initialize_trampoline_little): Likewise.
597
598 * sh-protos.h (binary_float_operator): Remove declaration.
599 (sh_expand_unop_v2sf, sh_expand_binop_v2sf): Declare.
600 * sh.c (print_operand, case 'N'): Check against CONST0_RTX.
601 (unary_float_operator, sh_expand_unop_v2sf): New functions.
602 (sh_expand_binop_v2sf): Likewise.
603 (zero_vec_operand): Delete.
604 (SH_BLTIN_UDI): New builtin shared signature define. Renumbered
605 all non-shared ones.
606 (bdesc): Change all the mextr builtins to use SH_BLTIN_UDI.
607 Enable nsb and byterev.
608 * sh.h (CONDITIONAL_REGISTER_USAGE): Initialize DF_HI_REGS.
609 (HARD_REGNO_MODE_OK): Allow TImode in fp regs. Allow V2SFmode
610 in general regs.
611 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add DF_HI_REGS.
612 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise. Remove clause for
613 immediate operands.
614 (SECONDARY_INPUT_RELOAD_CLASS): Add clause for immediate operands.
615 Add DF_HI_REGS.
616 (CLASS_CANNOT_CHANGE_MODE, CLASS_CANNOT_CHANGE_MODE_P): Allow
617 lowpart fp regs - only for big endian for now.
618 (LEGITIMATE_CONSTANT_P): Don't allow non-zero float vectors
619 when FPU is in use.
620 (EXTRA_CONTRAINT_U): Check against CONST0_RTX.
621 (LOAD_EXTEND_OP): NIL for SImode.
622 (REGISTER_MOVE_COST): Add DF_HI_REGS. Const for moves between
623 general and fp registers is 4.
624 PREDICATE_CODES: Amend binary_float_operator entry.
625 Remove zero_vec_operand. Add unary_float_operator.
626 * sh.md (udivsi3_i4_media): Use truncate instead of paradoxical
627 subreg SET_DEST.
628 (truncdisi2, truncdihi2, movv2sf): Allow memory destinations.
629 (truncdiqi2): Do sign extension.
630 (movsi_media, movdi_media): Allow to use r63 to an fp register.
631 (movdf_media, movsf_media): Likewise.
632 (movv2sf_i, movv2sf_i+1): Don't use f{ld,st}.p or SUBREGS.
633 Collapse to one define_insn_and_split. Allow immediate sources.
634 (addv2sf3, subv2sf3, mulv2sf3, divv2sf3): New patterns.
635 (movv4sf_i): Allow immediate sources. Use simplify_gen_subreg.
636 (movv4sf): Allow immediate sources.
637 (movsf_media_nofpu+1): Don't split moves to FP registers.
638 (unary_sf_op, binary_sf_op, mshflo_w_x, concat_v2sf): New patterns.
639 (movv8qi_i+3): Check against CONST0_RTX.
640 (mextr1, mextr2. mextr3. mextr4, mextr5, mextr6, mextr7): Use DImode
641 for input and output operands. Fix argument 3 to gen_mextr_rl.
642 (mmul23_wl, mmul01_wl, mmulsum_wq_i): s/const_vector/parallel/
643 (msad_ubq_i, mshf4_b, mshf0_b, mshf4_l, mshf0_l, mshf4_w): Likewise.
644 (mshf0_w, fipr, ftrv): Likewise.
645 (mshfhi_l_di): Now insn_and_split. Can handle FP regs.
646
647 2002-07-17 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
648
649 * arm.h (ARM_NUM_INTS, ARM_NUM_REGS, ARM_NUM_REGS2): Renamed from
650 NUM_INTS, NUM_REGS and ARM_NUM_REGS2 respectively. All uses changed.
651 * arm.c: Similarly.
652
653 2002-07-17 Richard Sandiford <rsandifo@redhat.com>
654
655 * config/mips/mips-protos.h (mips_sign_extend): Declare.
656 * config/mips/mips.h (MASK_DEBUG_H, TARGET_DEBUG_H_MODE): Remove.
657 (TARGET_SWITCHES): Remove debugh.
658 (ISA_HAS_TRUNC_W): New macro.
659 (CLASS_CANNOT_CHANGE_MODE): Include FP_REGS if TARGET_FLOAT64.
660 (PREDICATE_CODES): Remove se_nonimmediate_operand.
661 * config/mips/mips.c (movdi_operand): Allow sign-extensions of
662 any SImode move_operand.
663 (se_nonimmediate_operand): Remove.
664 (mips_sign_extend): New.
665 (mips_move_2words): Use it for sign-extended source operands.
666 (override_options): Allow integers to be put into single FPRs.
667 (mips_secondary_reload_class): Handle integers in float registers.
668 * config/mips/mips.md (extendsidi2): Turn into a define_expand.
669 (fix_truncsfsi2, fix_truncdfsi2): Likewise.
670 (fix_truncdfsi2_insn, fix_truncdfsi2_macro): New.
671 (fix_truncsfsi2_insn, fix_truncsfsi2_macro): New.
672 (fix_truncdfdi2): Provide only a single alternative, in which the
673 integer is in a float register. Depend on TARGET_FLOAT64 rather
674 than TARGET_64BIT.
675 (fix_truncsfdi2, floatdidf2, floatdisf2): Likewise.
676 (floatsidf2, floatsisf2): Likewise, but no TARGET_FLOAT64 dependency.
677 (movdi_internal2): Don't allow the source operand to be sign-extended.
678 Add alternatives for float registers.
679 (*movdi_internal2_extend): New. Version of movdi_internal2 that
680 allows sign-extension.
681 (*movdi_internal2_mips16): Name the existing mips16 movdi pattern.
682 (movsi_internal2): Rename to movsi_internal. Add alternatives for
683 float registers. Remove TARGET_DEBUG_H_MODE test.
684 (movhi_internal1): Rename to movhi_internal. Don't check
685 TARGET_DEBUG_H_MODE. Fix transposed *d and *f source constraints.
686 (movqi_internal1): Rename to movqi_internal and remove
687 TARGET_DEBUG_H_MODE dependency.
688 (movsi_internal1, movhi_internal2, movqi_internal2): Remove.
689
690 2002-07-16 Jim Wilson <wilson@redhat.com>
691
692 * toplev.c (lang_dependent_init): Create function context for
693 init_expr_once.
694
695 2002-07-16 Hans-Peter Nilsson <hp@axis.com>
696
697 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Don't
698 --gc-sections if -r.
699 * config/cris/cris.h: Ditto.
700
701 2002-07-16 Rodney Brown <rbrown64@csc.com.au>
702
703 * config/i386/i386.c (ix86_expand_int_movcc): In the case where
704 the comparison directly gives a mask suppress addition when cf is
705 zero by complementing the mask.
706
707 2002-07-16 Nathanael Nerode <neroden@gcc.gnu.org>
708
709 * Makefile.in: Delete references to enquire.
710 * enquire.c: Move to contrib.
711
712 2002-07-16 Stan Shebs <shebs@apple.com>
713
714 * config/darwin.h (ASM_OUTPUT_LABEL): Move to here from
715 config/rs6000/darwin.h.
716 (ASM_OUTPUT_SKIP): Ditto.
717 (TEXT_SECTION_ASM_OP): Ditto.
718 (DATA_SECTION_ASM_OP): Ditto.
719 (ASM_APP_ON): Define.
720 (ASM_APP_OFF): Define.
721 * config/rs6000/darwin.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_SKIP,
722 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Remove.
723
724 * config/darwin.c (func_name_maybe_scoped): Remove unused decl.
725 (machopic_function_base_name): Declare result to be const.
726 (machopic_non_lazy_ptr_name): Ditto.
727 (machopic_stub_name): Ditto.
728 * config/darwin-protos.h: Ditto for the prototypes.
729
730 Wed Jul 17 00:22:39 CEST 2002 Jan Hubicka <jh@suse.cz>
731
732 * m68hc11.c (m68hc11_reorg): Do not rebuild CFG.
733
734 Wed Jul 17 00:20:48 CEST 2002 Jan Hubicka <jh@suse.cz>
735
736 * i386.md (prefetch): Fix for 64bit mode.
737 (prefetch_sse_rex, prefetch_3dnow_rex): New patterns.
738
739 Wed Jul 17 00:19:20 CEST 2002 Jan Hubicka <jh@suse.cz>
740
741 * i386.h (MACHINE_DEPENDENT_REORG): New macro.
742 * i386.c (x86_machine_dependent_reorg): New function.
743 * i386-protos.h (x86_machine_dependent_reorg): Declare.
744
745 2002-07-16 Zack Weinberg <zack@codesourcery.com>
746
747 * builtins.c (std_expand_builtin_va_start): Remove unused
748 first argument.
749 (expand_builtin_va_start): Call EXPAND_BUILTIN_VA_START and
750 std_expand_builtin_va_start with just two arguments.
751 * expr.h: Update prototypes.
752
753 * alpha-protos.h, alpha.h, alpha.c, arc-protos.h, arc.h,
754 arc.c, d30v-protos.h, d30v.h, d30v.c, i386-protos.h, i386.h,
755 i386.c, i960-protos.h, i960.h, i960.c, m88k-protos.h, m88k.h,
756 m88k.c, mips-protos.h, mips.h, mips.c, mn10300-protos.h,
757 mn10300.h, mn10300.c, pa-protos.h, pa.h, pa.c,
758 rs6000-protos.h, rs6000.h, rs6000.c, s390-protos.h, s390.h,
759 s390.c, sh-protos.h, sh.h, sh.c, sparc-protos.h, sparc.h,
760 sparc.c, stormy16-protos.h, stormy16.h, stormy16.c,
761 xtensa-protos.h, xtensa.h, xtensa.c: Remove unused first
762 argument from all implementations of EXPAND_BUILTIN_VA_START
763 and all uses of std_expand_builtin_va_start.
764
765 Tue Jul 16 19:32:58 2002 J"orn Rennecke <joern.rennecke@superh.com>
766
767 * regrename.c (copy_value): Don't record high part copies.
768
769 2002-07-16 Steve Ellcey <sje@cup.hp.com>
770
771 * gcc/config/pa/long_double.h (FIXUNS_TRUNCTFDI2_LIBCALL): New define.
772 (fixunstfdi_libfunc): Change to use FIXUNS_TRUNCTFDI2_LIBCALL.
773 * gcc/config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_udbl): New function.
774
775 2002-07-16 Ian Dall <ian@sibyl.beware.dropbear.id.au>
776
777 * doc/invoke.texi (NS32K Options): Document -mieee-compare option
778
779 * config/ns32k/ns32k.md (addsi3, *frame_addr, *stack_addr): merge
780 into addsi3 using register class "x" and "y".
781
782 * config/ns32k/ns32k.md (*madddf, *maddsf, *msubdf, *msubsf):
783 "earlyclobber" constraint modifier for some alternative.
784
785 * config/ns32k/ns32k.md (tstdf, tstsf, cmpdf, cmpsf, blt, ble)
786 (*ble, *blt): Flag to indicate bCOND and sCOND should check for
787 unordered.
788 config/ns32k/ns32k.h (CC_UNORD): define corresponding mask.
789
790 * config/ns32k/ns32k.h (TARGET_IEEE_COMPARE, MASK_IEEE_COMPARE)
791 (TARGET_SWITCHES): Add -mieee-compare option.
792 (OVERRIDE_OPTIONS): 32332 is a subset of
793 32532. Don't use IEEE_COMPARE -funsafe-math-optimizations.
794 (TARGET_SWITCHES): Fix description of bitfield option.
795 * config/ns32k/netbsd.h (TARGET_DEFAULT): Add
796 -mieee-compare option. Remove 32332 flag.
797
798 2002-07-16 Steve Ellcey <sje@cup.hp.com>
799
800 * explow.c (convert_memory_address): Remove special handling
801 when POINTERS_EXTEND_UNSIGNED < 0.
802 * config/ia64.md (movsi_symbolic): New instruction for ILP32 mode.
803 (movedi_symbolic): Fix typo.
804 (load_fptr): Remove mode restriction so it works for SI and DI.
805 (load_fptr_internal1): Ditto.
806 (load_gprel): Ditto.
807 (load_symptr_internal1): Ditto.
808 (call_pic): Ditto.
809 * config/ia64.c (call_operand): Modify mode check.
810 (ia64_expand_load_address): Handle DI and SI addresses and symbols.
811 (ia64_expand_move): Ditto.
812 (ia64_assemble_integer): Handle SImode function pointers.
813 (ia64_expand_fetch_and_op): Handle SImode mem addresses.
814 (ia64_expand_op_and_fetch): Ditto.
815 (ia64_expand_compare_and_swap): Ditto.
816 (ia64_expand_lock_test_and_set): Ditto.
817 (ia64_expand_lock_release): Ditto.
818
819 2002-07-16 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
820
821 * arm.c (emit_sfm): Don't set RTX_FRAME_RELATED_P on DWARF.
822
823 2002-07-16 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
824 Richard Earnshaw <rearnsha@arm.com>
825
826 * arm.h (LEGITIMATE_PIC_OPERAND_P): Only test
827 CONSTANT_POOL_ADDRESS_P if a SYMBOL_REF. Simplify logic.
828
829 2002-07-16 Richard Earnshaw <rearnsha@arm.com>
830
831 * arm.md (stack_tie): New insn. Use an idiom that the alias code
832 understands to be a memory clobber.
833 * arm.c (arm_expand_prologue): Use it.
834
835 2002-07-16 Daniel Berlin <dberlin@dberlin.org>
836
837 * ra-rewrite.c: #include reload.h, insn-config.h
838 * ra-build.c: #include reload.h
839 * Makefile.in: Update ra-rewrite.o, ra-build.o dependencies to
840 depend on reload.h, insn-config.h.
841
842 Tue Jul 16 11:57:45 2002 J"orn Rennecke <joern.rennecke@superh.com>
843
844 * expr.c (emit_move_insn_1): Handle arbitrary moves that are
845 the same size as a word.
846
847 * regrename.c (find_oldest_value_reg): Take WORDS_BIG_ENDIAN /
848 BYTES_BIG_ENDIAN into account.
849
850 Tue Jul 16 12:22:44 CEST 2002 Jan Hubicka <jh@suse.cz>
851
852 * i386.md (prefetch): Fix for 64bit mode.
853 (prefetch_sse_rex, prefetch_3dnow_rex): New patterns.
854
855 * i386.md (movss, movsd): Use xorps/xorpd for Athlon.
856
857 2002-07-16 Marek Michalkiewicz <marekm@amelek.gda.pl>
858
859 * hard-reg-set.h (TEST_HARD_REG_BIT): Return 1 if the bit is set.
860
861 2002-07-15 Zack Weinberg <zack@codesourcery.com>
862
863 * ginclude/varargs.h: Replace with stub which issues #error.
864 * ginclude/stdarg.h: __builtin_stdarg_start is renamed
865 __builtin_va_start.
866
867 * builtins.def (BUILT_IN_VARARGS_START): Delete.
868 (BUILT_IN_VA_START): New.
869 * builtins.c (expand_builtin_va_start): Eliminate first
870 argument and code to implement pre-ISO varargs.
871 (std_expand_builtin_va_start): Ignore first argument; it is
872 always 1.
873 (expand_builtin): Handle BUILT_IN_VA_START and
874 BUILT_IN_STDARG_START identically. Delete
875 BUILT_IN_VARARGS_START case.
876
877 * function.c (assign_parms): Delete hide_last_arg and all
878 its uses.
879 (mark_varargs): Delete function.
880 * function.h (struct function): Delete 'varargs' bit.
881 (current_function_varargs): Delete macro.
882 * tree.h: Don't declare mark_varargs.
883
884 * c-decl.c (c_function_varargs, c_mark_varargs): Delete.
885 (c_expand_body): Don't call mark_varargs.
886 * c-objc-common.c: Handle BUILT_IN_VA_START and
887 BUILT_IN_STDARG_START identically. Delete
888 BUILT_IN_VARARGS_START case.
889 * c-tree.h: Don't declare c_mark_varargs.
890 * c-parse.in: Remove grammar rules for '&...' (which has been
891 commented out since before 2.7.2) and for '...' in K+R
892 argument declarations.
893
894 * builtins.c, function.c, integrate.c, sibcall.c,
895 config/alpha/unicosmk.h, config/arc/arc.c, config/arc/arc.h,
896 config/avr/avr.c, config/cris/cris.c, config/fr30/fr30.c,
897 config/i960/i960.c, config/i960/i960.md, config/m32r/m32r.c,
898 config/m32r/m32r.h, config/m88k/m88k.c, config/m88k/m88k.h,
899 config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
900 config/mn10300/mn10300.c, config/pa/som.h, config/s390/s390.c,
901 config/sh/sh.c, config/sh/sh.h, config/sparc/sparc.h,
902 config/stormy16/stormy16.c: Delete all references to
903 current_function_varargs, and code predicated on that flag.
904
905 * config/alpha/alpha.c (alpha_va_start),
906 config/arc/arc.c (arc_va_start),
907 config/i386/i386.c (ix86_va_start),
908 config/mips/mips.c (mips_va_start),
909 config/mn10300/mn10300.c (mn10300_va_start),
910 config/rs6000/rs6000.c (rs6000_va_start),
911 config/s390/s390.c (s390_va_start),
912 config/sh/sh.c (sh_va_start),
913 Ignore first argument; it is always 1.
914
915 * config/c4x/c4x-protos.h, config/c4x/c4x.c: Delete c4x_va_start.
916 * config/ia64/ia64-protos.h, config/ia64/ia64.c: Delete ia64_va_start.
917 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
918 Delete m68hc11_va_start.
919 * config/c4x/c4x.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h:
920 No need to define EXPAND_BUILTIN_VA_START.
921
922 * doc/invoke.texi, doc/sourcebuild.texi, doc/tm.texi,
923 doc/trouble.texi: Remove references to GCC-provided <varargs.h>.
924
925 2002-07-15 Eric Botcazou <ebotcazou@multimania.com>
926
927 PR optimization/7153
928 * regmove.c (optimize_reg_copy_3): Don't optimize if the register
929 dies in more than one insn.
930
931 2002-07-15 Jason Thorpe <thorpej@wasabisystems.com>
932
933 * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Remove.
934
935 2002-07-15 Michael Matz <matz@suse.de>,
936 Daniel Berlin <dberlin@dberlin.org>,
937 Denis Chertykov <denisc@overta.ru>
938
939 Add a new register allocator.
940
941 * ra.c: New file.
942 * ra.h: New file.
943 * ra-build.c: New file.
944 * ra-colorize.c: New file.
945 * ra-debug.c: New file.
946 * ra-rewrite.c: New file.
947
948 * Makefile.in (ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
949 (ra-rewrite.o): New .o files for libbackend.a.
950 (GTFILES): Add basic-block.h.
951
952 * toplev.c (flag_new_regalloc): New.
953 (f_options): New option "new-ra".
954 (rest_of_compilation): Call initialize_uninitialized_subregs()
955 only for the old allocator. If flag_new_regalloc is set, call
956 new allocator, instead of local_alloc(), global_alloc() and
957 friends.
958
959 * doc/invoke.texi: Document -fnew-ra.
960 * basic-block.h (FOR_ALL_BB): New.
961 * config/rs6000/rs6000.c (print_operand): Write small constants
962 as @l+80.
963
964 * df.c (read_modify_subreg_p): Narrow down cases for a rmw subreg.
965 (df_reg_table_realloc): Make size at least as large as max_reg_num().
966 (df_insn_table_realloc): Size argument now is absolute, not relative.
967 Changed all callers.
968
969 * gengtype.c (main): Add the pseudo-type "HARD_REG_SET".
970 * regclass.c (reg_scan_mark_refs): Ignore NULL rtx's.
971
972 2002-06-20 Michael Matz <matz@suse.de>
973
974 * df.h (struct ref.id): Make unsigned.
975 * df.c (df_bb_reg_def_chain_create): Remove unsigned cast.
976
977 2002-06-13 Michael Matz <matz@suse.de>
978
979 * df.h (DF_REF_MODE_CHANGE): New flag.
980 * df.c (df_def_record_1, df_uses_record): Set this flag for refs
981 involving subregs with invalid mode changes, when
982 CLASS_CANNOT_CHANGE_MODE is defined.
983
984 2002-05-07 Michael Matz <matz@suse.de>
985
986 * reload1.c (fixup_abnormal_edges): Don't insert on NULL edge.
987
988 2002-05-03 Michael Matz <matz@suse.de>
989
990 * sbitmap.c (sbitmap_difference): Accept sbitmaps of different size.
991
992 Sat Feb 2 18:58:07 2002 Denis Chertykov <denisc@overta.ru>
993
994 * regclass.c (regclass): Work with all regs which have sets or
995 refs.
996 (reg_scan_mark_refs): Count regs inside (clobber ...).
997
998 2002-01-04 Michael Matz <matzmich@cs.tu-berlin.de>
999
1000 * df.c (df_ref_record): Correctly calculate SUBREGs of hardregs.
1001 (df_bb_reg_def_chain_create, df_bb_reg_use_chain_create): Only
1002 add new refs.
1003 (df_bb_refs_update): Don't clear insns_modified here, ...
1004 (df_analyse): ... but here.
1005
1006 * sbitmap.c (dump_sbitmap_file): New.
1007 (debug_sbitmap): Use it.
1008
1009 * sbitmap.h (dump_sbitmap_file): Add prototype.
1010
1011 2001-08-07 Daniel Berlin <dan@cgsoftware.com>
1012
1013 * df.c (df_insn_modify): Grow the UID table if necessary, rather
1014 than assume all emits go through df_insns_modify.
1015
1016 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1017
1018 * regclass.c (reg_scan_mark_refs): When we increase REG_N_SETS,
1019 increase REG_N_REFS (like flow does), so that regclass doesn't
1020 think a reg is useless, and thus, not calculate a class, when it
1021 really should have.
1022
1023 2001-01-28 Daniel Berlin <dberlin@redhat.com>
1024
1025 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP_REV): New macro, needed for
1026 dataflow analysis.
1027
1028 2002-07-15 Jakub Jelinek <jakub@redhat.com>
1029
1030 PR middle-end/7245
1031 * config/i386/i386.c (const_int_1_31_operand): New.
1032 * config/i386/i386.h (PREDICATE_CODES): Add it.
1033 * config/i386/i386.md (ashlsi3_cmp, ashlsi3_cmp_zext, ashlhi3_cmp,
1034 ashlqi3_cmp, ashrsi3_cmp, ashrsi3_cmp_zext, ashrhi3_cmp, ashrqi3_cmp,
1035 lshrsi3_cmp, lshrsi3_cmp_zext, lshrhi3_cmp, lshrqi3_cmp): Use it.
1036
1037 2002-07-14 Alan Modra <amodra@bigpond.net.au>
1038
1039 PR target/7282
1040 * config/rs6000/rs6000.md (floatsidf2): Enable for POWERPC64.
1041 (floatunssidf2): Likewise.
1042 (floatsidf_ppc64): New insn_and_split.
1043 (floatunssidf_ppc64): Likewise.
1044
1045 2002-07-14 Andreas Jaeger <aj@suse.de>
1046
1047 * config.gcc (sh64): Remove unused
1048 target_requires_64bit_host_wide_int.
1049
1050 2002-07-12 Roger Sayle <roger@eyesopen.com>
1051
1052 * expr.c [CLEAR_RATIO]: New macro defining the maximum number
1053 of move instructions to use when clearing memory, c.f. MOVE_RATIO.
1054 [CLEAR_BY_PIECES]: New macro, using CLEAR_RATIO, to determine
1055 whether clear_by_pieces should be used to clear storage.
1056 (clear_storage): Use CLEAR_BY_PIECES instead of MOVE_BY_PIECES.
1057
1058 * doc/tm.texi: Document these two new target macros.
1059
1060 2002-07-12 Stephane Carrez <stcarrez@nerim.fr>
1061
1062 * config/m68hc11/m68hc11.md ("zero_extendsidi2"): Use D_REG only for
1063 the scratch register.
1064 ("*movhi2_push"): Accept Z_REG because a split pattern can make use
1065 of it, forbid reload to use it.
1066
1067 2002-07-12 Marek Michalkiewicz <marekm@amelek.gda.pl>
1068
1069 * config/avr/avr.c (test_hard_reg_class): Fix TEST_HARD_REG_BIT
1070 usage on 64-bit hosts, return value was truncated to 32 bits.
1071
1072 Fri Jul 12 00:49:36 2002 J"orn Rennecke <joern.rennecke@superh.com>
1073
1074 * simplify-rtx.c (simplify_subreg): Handle floating point
1075 CONST_DOUBLEs. When an integer subreg of a smaller mode than
1076 the element mode is requested, compute a subreg with an
1077 integer mode of the same size as the element mode first.
1078
1079 Thu Jul 11 22:02:57 2002 J"orn Rennecke <joern.rennecke@superh.com>
1080
1081 * combine.c (try_combine): When converting a paradoxical subreg
1082 to an extension, take LOAD_EXTEND_OP into account.
1083
1084 2002-07-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1085
1086 * config.gcc (mips-sgi-irix6*o32): New configuration.
1087
1088 * configure.in (libgcc_visibility): Disable for mips-sgi-irix6*o32
1089 configurations.
1090 * configure: Regenerate.
1091
1092 * config/mips/iris6-o32-as.h: New file.
1093 * config/mips/iris6-o32.h: New file.
1094
1095 * config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Define.
1096 (NM_FLAGS): Define.
1097 (HAVE_AS_SHF_MERGE): Undefine.
1098
1099 * config/mips/t-iris5-as: New file.
1100 * config.gcc (mips-sgi-irix6*o32, mips-sgi-irix5*): Use it.
1101
1102 * config/mips/t-iris6 (SHLIB_EXT, SHLIB_SOLINK, SHLIB_SONAME,
1103 SHLIB_NAME, SHLIB_MAP, SHLIB_OBJS, SHLIB_SLIBDIR_QUAL, SHLIB_LINK,
1104 SHLIB_INSTALL, SHLIB_MKMAP, SHLIB_MAPFILES, FPBIT, DPBIT,
1105 dp-bit.c, fp-bit.c): Move ...
1106 * config/mips/t-iris5-6: ... here.
1107 New file, shared by IRIX 5 and IRIX 6.
1108 * config.gcc (mips-sgi-irix6*o32, mips-sgi-irix6*,
1109 mips-sgi-irix5*): Use it.
1110
1111 * config/mips/iris6.h: Remove duplicate comment.
1112
1113 * config/mips/mips.c (TARGET_ASM_UNALIGNED_DI_OP) [TARGET_IRIX5 &&
1114 !TARGET_IRIX6]: Define.
1115 (mips_asm_file_start): Don't emit mdebug.<ABI> sections on IRIX 5/6.
1116
1117 * config/mips/mips.h (ASM_DECLARE_FUNCTION_NAME): Fix comment.
1118
1119 2002-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1120
1121 * pa.md (adddi3): Change predicate of operand 2 to adddi3_operand
1122 and delete code to force constant to register.
1123 * pa-protos.h (adddi3_operand): Add prototype.
1124 * pa.c (adddi3_operand): New function.
1125
1126 2002-07-11 Roger Sayle <roger@eyesopen.com>
1127
1128 * c-decl.c (duplicate_decls): Preserve the noreturn attribute on
1129 non-ANSI builtin functions.
1130
1131 Thu Jul 11 11:31:12 2002 J"orn Rennecke <joern.rennecke@superh.com>
1132
1133 * rtl.h (gen_rtx_CONST_VECTOR): Declare.
1134 * gengenrtl.c (special_rtx): Check for CONST_VECTOR.
1135 * emit-rtl.c (gen_rtx_CONST_VECTOR): New function.
1136 (gen_const_vector_0): Use it.
1137
1138 2002-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
1139
1140 * pa.md (adddi3): For 32-bit targets, force constants to a register
1141 if they don't fit in an 11-bit immediate. Change insn predicate to
1142 arith11_operand. Remove comment.
1143 * pa.c (cint_ok_for_move): Fix comment.
1144 (emit_move_sequence): Don't directly split DImode constants on 32-bit
1145 targets.
1146
1147 2002-07-11 Tim Josling <tej@melbpc.org.au>
1148
1149 Remove front end hard coding from gengtype.c.
1150
1151 * Makefile.in
1152 (STAGESTUFF): add gtyp-gen.h
1153 (GTFILES): Remove front end specific files.
1154 (GTFILES_FILES_LANGS): New, from configure..
1155 (GTFILES_FILES_FILES): Likewise.
1156 (GTFILES_LANG_DIR_NAMES): Likewise.
1157 (GTFILES_SRCDIR): Likewise.
1158 (gtyp-gen.h): Build from configure information.
1159 (s-gtype): Remove command line parameters from gengtype.
1160 (gengtype.o): Remove dependency on GTFILES. Depend on gtyp-gen.h.
1161 (mostlyclean): Delete files generated by and for gengtype.
1162
1163 * c-config-lang.in: New file.
1164
1165 * configure.in (all_gtfiles_files_langs): New. Accumulate files
1166 for each language.
1167 (all_gtfiles_files_files): New. Accumulate language for each file
1168 accumulated.
1169 (gtfiles): Pick up value for C.
1170 (srcdir): AC-SUBST this variable.
1171 (all_gtfiles_files_langs): AC-SUBST this variable.
1172 (all_gtfiles_files_files): AC-SUBST this variable.
1173
1174 * configure: Regenerate.
1175
1176 * gengtype-lex.l (parse_file): Make parameter const.
1177
1178 * gengtype.c (toplevel): include gtyp-gen.h.
1179 (BASE_FILE_<language> unnamed enum): Delete.
1180 (lang_names): Delete (replaced by gtyp-gen.h)
1181 (lang_dir_names): From gtyp-gen.h, replaces lang_names; changed
1182 all references.
1183 (NUM_GT_FILES): New.
1184 (NUM_LANG_FILES): New.
1185 (srcdir_len): New.
1186 (NUM_BASE_FILES): Change calculation.
1187 (open_base_files): Change prototype to avoid warning.
1188 (startswith): Delete.
1189 (get_file_basename): Iterate through generated language list not
1190 hard coded list.
1191 (get_base_file_bitmap): Use generated list of files and languages.
1192 (close_output_files): Add prototype to rmove warning.
1193 (main): Iterate through list of generated files from gtyp-gen.h
1194 rather than command line paramaters. Ignore duplicated file
1195 names.
1196
1197 * gengtype.h (parse_file): Amend prototype for const parameter.
1198
1199 * doc/sourcebuild.texi: Document gtfiles variable.
1200
1201 * doc/gty.texi: Document changes to gtfiles variable for front
1202 ends.
1203
1204 * objc/config-lang.in (gtfiles): Add files needed for objc front
1205 end.
1206
1207 2002-07-10 Roger Sayle <roger@eyesopen.com>
1208
1209 PR c/2454
1210 * combine.c (nonzero_bits): LOAD_EXTEND_OP should only apply
1211 to SUBREGs of MEMs. (num_sign_bit_copies): Likewise.
1212
1213 2002-07-10 Roger Sayle <roger@eyesopen.com>
1214 Zack Weinberg <zack@codesourcery.com>
1215
1216 * builtins.def: Make the argument types of abort and exit
1217 independent of the front-end.
1218
1219 2002-07-11 Alan Modra <amodra@bigpond.net.au>
1220
1221 * config/rs6000/linux64.h (ASM_SPEC): Define.
1222
1223 2002-07-10 Aldy Hernandez <aldyh@redhat.com>
1224
1225 * config/rs6000/rs6000.c (emit_frame_save): New.
1226 (rs6000_frame_related): Replace reg2 before reg.
1227 (rs6000_emit_prologue): Use emit_frame_save for saving gprs, fprs,
1228 and eh_return registers.
1229
1230 2002-07-10 Toon Moene <toon@moene.indiv.nluug.nl>
1231
1232 Revert all patches for optimization of Complex .op. Real.
1233 * complex_part_zero_p: Remove
1234 * expand_cmplxdiv_straight: Replace complex_part_zero_p(x)
1235 with x.
1236 * expand_cmplxdiv_wide: Ditto.
1237 * expand_binop: Ditto.
1238
1239 2002-07-10 Marek Michalkiewicz <marekm@amelek.gda.pl>
1240
1241 * config/avr/avr.md: Fix two 0x80000000 constants to make them
1242 negative also on 64-bit hosts.
1243
1244 Default to -fno-reorder-blocks when optimizing for size.
1245 * config/avr/avr-protos.h (avr_optimization_options): Declare.
1246 * config/avr/avr.c (avr_optimization_options): New function.
1247 * config/avr/avr.h (OPTIMIZATION_OPTIONS): New.
1248
1249 Optimize returning from simple functions.
1250 * config/avr/avr-protos.h (avr_simple_epilogue): Declare.
1251 * config/avr/avr.c (avr_simple_epilogue): New function.
1252 * config/avr/avr.md (return): New insn.
1253
1254 2002-07-10 Douglas B Rupp <rupp@gnat.com>
1255
1256 * config/i386/i386.c (ix86_svr3_asm_out_constructor): Add
1257 HAS_INIT_SECTION to protection.
1258
1259 2002-07-10 Mark Mitchell <mark@codesourcery.com>
1260
1261 * doc/invoke.texi (Debugging Options): Mention that -gdwarf is
1262 deprecated.
1263
1264 Wed Jul 10 19:50:03 2002 J"orn Rennecke <joern.rennecke@superh.com>
1265
1266 * combine.c (gen_lowpart_for_combine): Handle vector modes.
1267 Supply non-VOID mode to simplify_gen_subreg.
1268
1269 Wed Jul 10 18:48:55 CEST 2002 Jan Hubicka <jh@suse.cz>
1270
1271 * i386.c (ix86_init_mmx_sse_builtins): Fix thinko.
1272
1273 2002-07-10 Jeffrey A Law <law@redhat.com>
1274
1275 * mn10200.c (expand_prologue): Create REG_MAYBE_DEAD notes
1276 as appropriate.
1277
1278 * mn10200.c (expand_epilogue): Fix test to determine which scratch
1279 register to use.
1280
1281 Wed Jul 10 16:06:00 2002 J"orn Rennecke <joern.rennecke@superh.com>
1282
1283 * cse.c (cse_insn): Supply proper SUBREG_BYTE to simplify_gen_subreg.
1284 Get mode from dest.
1285 If simplify_gen_subreg fails, try next equivalent.
1286
1287 2002-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
1288
1289 * diagnostic.h: #include location.h
1290 (location_t): Move definition to..
1291 * location.h: ... here. New file.
1292 * tree.h: #include location.h
1293 (DECL_SOURCE_LOCATION): New macro.
1294 (DECL_SOURCE_FILE): Use.
1295 (DECL_SOURCE_LINE): Likewise.
1296 (struct tree_decl): REplace filename and linenum with locus.
1297 * Makefile.in (TREE_H): add location.h
1298 (diagnostic.o): Depends on gt-location.h
1299 (gt-location.h): Depends on s-gtype
1300
1301 2002-07-09 Matt Kraai <kraai@alumni.cmu.edu>
1302
1303 * config/rs6000/aix.h: Convert CPP_PREDEFINES to
1304 TARGET_OS_CPP_BUILTINS.
1305 * config/rs6000/aix31.h: Likewise.
1306 * config/rs6000/aix41.h: Likewise.
1307 * config/rs6000/aix43.h: Likewise.
1308 * config/rs6000/aix51.h: Likewise.
1309 * config/rs6000/beos.h: Likewise.
1310 * config/rs6000/darwin.h: Likewise.
1311 * config/rs6000/eabi.h: Likewise.
1312 * config/rs6000/eabisim.h: Likewise.
1313 * config/rs6000/linux.h: Likewise.
1314 * config/rs6000/linux64.h: Likewise.
1315 * config/rs6000/lynx.h: Likewise.
1316 * config/rs6000/mach.h: Likewise.
1317 * config/rs6000/rtems.h: Likewise.
1318 * config/rs6000/sysv4.h: Likewise.
1319 * config/rs6000/vxppc.h: Likewise.
1320
1321 2002-07-09 Devang Patel <dpatel@apple.com>
1322 * objc/objc-act.c (adjust_type_for_id_default): Fix my previous patch.
1323 Do not allow ObjC objects as a parameter type for Objective-C methods.
1324 My previous patch restricted 'struct' also.
1325
1326 2002-07-09 Neil Booth <neil@daikokuya.co.uk>
1327
1328 * cpperror.c (cpp_error): Default to directive_line within
1329 directives here.
1330 * cppexp.c (cpp_interpret_integer): Only use traditional
1331 number semantics in directives.
1332 * cpplib.c (prepare_directive_trad): Don't reset pfile->line.
1333 (do_include_common): Similarly.
1334 * cpptrad.c (scan_out_logical_line): Implement accurate
1335 quoting of <> in #include.
1336 * doc/cpp.texi: Update.
1337
1338 Tue Jul 9 22:37:44 2002 Stephen Clarke <stephen.clarke@superh.com>
1339 J"orn Rennecke <joern.rennecke@superh.com>
1340
1341 * sh.c (sh_adjust_cost): Special handling of SHMEDIA code.
1342 * sh.md (attribute issues): Replace with:
1343 (attribute pipe_model). All users changed.
1344 (attribute type): Change pt / ptabs to pt_media / ptabs_media.
1345 All users changed.
1346 (function units sh5issue, sh5fds): New.
1347 (attribute is_mac_media): New.
1348 (adddi3_media, subdi3_media, divsi3_i1_media, anddi3): Add type.
1349 (andcdi3, iordi3, xordi3, ashldi3_media, lshrdi3_media): Likewise.
1350 (ashrdi3_media, negdi_media, extendsidi2, movqi_media): Likewise.
1351 (movhi_media, shori_media, movv2sf_i, jump_media): Likewise.
1352 (call_media, call_value_media, sibcall_media): Likewise.
1353 (casesi_jump_media, casesi_shift_media, casesi_load_media): Likewise.
1354 (return_media_i, addsf3_media, subsf3_media, mulsf3_media): Likewise.
1355 (mac_media, divsf3_media, floatdisf2, floatsisf2_media): Likewise.
1356 (fix_truncsfdi2, fix_truncsfsi2_media, cmpeqsf_media): Likewise.
1357 (cmpgtsf_media, cmpgesf_media, cmpunsf_media, negsf2_media): Likewise.
1358 (sqrtsf2_media, abssf2_media, adddf3_media, subdf3_media): Likewise.
1359 (muldf3_media, divdf3_media, floatdidf2, floatsidf2_media): Likewise.
1360 (fix_truncdfdi2, fix_truncdfsi2_media, cmpeqdf_media): Likewise.
1361 (cmpgtdf_media, cmpgedf_media,cmpundf_media, negdf2_media): Likewise.
1362 (sqrtdf2_media, absdf2_media, extendsfdf2_media): Likewise.
1363 (truncdfsf2_media): Likewise.
1364 (movsi_media, movsi_media_nofpu, movdi_media): Use new types.
1365 (movdi_media_nofpui, movdf_media, movdf_media_nofpu): Likewise.
1366
1367 Tue Jul 9 21:39:50 2002 J"orn Rennecke <joern.rennecke@superh.com>
1368
1369 * sh.h (PREDICATE_CODES): Add general_extend_operand and inqhi_operand.
1370 * sh.c (general_extend_operand, inqhi_operand): New functions.
1371 * sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): Collapse
1372 alternatives using 'N' modifier. Add type.
1373 (adddi3z_media): Likewise. Enable generator function generation.
1374 (movdicc_false, movdicc_true, addsi3_media, subsi3_media): Use more
1375 exact predicates / constraints. Add type.
1376 (subsi3): Allow 0 for SHMEDIA.
1377 (udivsi3_i4_media): Use match_operand for input values
1378 rather than hard registers.
1379 (udivsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values
1380 unnecessarily through hard registers. Keep copies of pseudo
1381 registers outside of the libcall sequence.
1382 (mulsidi3_media, umulsidi3_media): Use more exact predicates. Add type.
1383 (ashlsi3_media, ashrsi3_media, lshrsi3_media): Likewise.
1384 (zero_extendsidi2, zero_extendhidi2, zero_extendqidi2): Likewise.
1385 (extendhidi2, extendqidi2): Likewise.
1386 (andsi3_compact): Name.
1387 (andcdi3): Enable generator function generation.
1388 (zero_extendhisi2, zero_extendqisi2): Rename to
1389 (zero_extendhisi2_compact, zero_extendqisi2_compact).
1390 (extendhisi2, extendqisi2): Rename to
1391 (extendhisi2_compact, extendqisi2_compact).
1392 (rotldi3, rotldi3_mextr, rotrdi3, rotrdi3_mextr): New patterns.
1393 (loaddi_trunc, zero_extendhisi2, zero_extendhisi2_media): Likewise.
1394 (zero_extendhisi2_media+1, zero_extendqisi2): Likewise.
1395 (zero_extendqisi2_media, extendhisi2, extendhisi2_media): Likewise.
1396 (extendhisi2_media, extendhisi2_media+1, extendqisi2): Likewise.
1397 (extendqisi2_media, extendqisi2_media+1, truncdisi2): Likewise.
1398 (truncdihi2, truncdiqi2, reload_inqi, reload_inhi): Likewise.
1399 (shmedia32_initialize_trampoline_big): Likewise.
1400 (shmedia32_initialize_trampoline_little): Likewise.
1401 (nsb, nsbsi, nsbdi, ffsdi2, ffssi2, byterev): Likewise.
1402 (negdi2): Remove spurious T clobber.
1403 (zero_extendhidi2+1, extendhidi2+1, extendqidi2+1): Handle TRUNCATE.
1404 (movsi_media, movsi_media_nofpu): Remove spurious *k after b.
1405 (movdi_media, movdi_media_nofpu, pt, ptb): Likewise.
1406 (movsi_media_nofpu+2, movhi_media+1): Only do split after reload.
1407 (ic_invalidate_line_media): Write back data cache before invalidating
1408 instruction cache. Add type.
1409 (movsf_media): Sign-extend when the destination is a general
1410 purpose register. Add type.
1411 (bgt_media, bge_media, bgtu_media, bgeu_media, blt_media_i): Allow 0.
1412 (casesi_worker_0+1): Only increment ref count for proper label.
1413 (casesi_worker_0+2): Likewise.
1414
1415 2002-07-09 Mark Mitchell <mark@codesourcery.com>
1416
1417 * dwarfout.c (dwarfout_init): Warn that DWARF1 is deprecated.
1418
1419 2002-07-09 Steve Ellcey <sje@cup.hp.com>
1420
1421 * gcc/except.c (expand_eh_region_end_cleanup): Change exception pointer
1422 from Pmode to ptr_mode.
1423 (get_exception_pointer): Ditto.
1424 (connect_post_landing_pads): Ditto.
1425 (dw2_build_landing_pads): Ditto.
1426
1427 2002-07-08 Steve Ellcey <sje@cup.hp.com>
1428 * gcc/c-pragma.h (add_to_renaming_pragma_list): New function.
1429 * gcc/c-pragma.c (add_to_renaming_pragma_list): New function.
1430 (handle_pragma_redefine_extname): Change to use new function.
1431
1432 2002-07-08 Roger Sayle <roger@eyesopen.com>
1433
1434 * combine.c (combine_simplify_rtx): Add an explicit cast
1435 to avoid signed/unsigned comparison warning.
1436 (simplify_if_then_else): Likewise.
1437 (extended_count): Likewise.
1438 (simplify_shift_const): Likewise.
1439 (simplify_comparison): Likewise.
1440
1441 2002-07-08 Richard Sandiford <rsandifo@redhat.com>
1442
1443 * config/mips/mips.md: Add imadd type. Update scheduler description
1444 to use imadd as well as imul.
1445 (*mul_acc_si, *madsi): Change imul alternatives to imadd.
1446 (*mul_acc_di, *mul_acc_64bit_di): Likewise.
1447 (*mul_sub_si): Likewise for first alternative. Change second
1448 alternative from imul to multi.
1449
1450 2002-07-07 Neil Booth <neil@daikokuya.co.uk>
1451
1452 * c-common.c (c_common_post_options): Update prototype;
1453 don't init backends if preprocessing only.
1454 * langhooks-def.h (LANG_HOOKS_POST_OPTIONS): Update.
1455 * langhooks.h (struct lang_hooks): Update post_options to
1456 return a boolean.
1457 * toplev.c (parse_options_and_default_flags, do_compile,
1458 lang_independent_init): Update prototypes. Allow the
1459 front end to specify that there is no need to initialize
1460 the back end.
1461 (general_init): Move call to hex_init here...
1462 (toplev_main): ...from here. Pass flag for back end init
1463 suppression.
1464
1465 Sun Jul 7 20:38:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
1466
1467 * sh.h (PRINT_OPERAND_PUNCT_VALID_P): Allow '\''.
1468 (PREDICATE_CODES): Add entries for equality_comparison_operator,
1469 greater_comparison_operator and less_comparison_operator.
1470 * sh.c (print_operand): Add '\'' code. Make 'o' handle
1471 more operators.
1472 (equality_comparison_operator): New function.
1473 (greater_comparison_operator, less_comparison_operator): Likewise.
1474 * sh.md (beq_media_i): Disable generator function generation.
1475 Use match_operator to handle a whole class of comparisons. Add
1476 modifier in output template to provide branch prediction. Add type.
1477 (bgt_media_i, ble_media_i): Likewise. Allow zero operands.
1478 (bne_media_i, bge_media_i, bgtu_media_i, bgeu_media_i): Delete.
1479 (blt_media_i, bleu_media_i, bltu_media_i): Likewise.
1480 (bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Allow zero operands.
1481
1482 2002-07-07 Hans-Peter Nilsson <hp@bitrange.com>
1483
1484 Emit MMIX function prologue and epilogue as rtl.
1485 * config/mmix/mmix.md ("call"): Use mmix_get_hard_reg_initial_val,
1486 not unprototyped get_hard_reg_initial_val.
1487 ("call_value", "nonlocal_goto_receiver"): Ditto.
1488 ("return"): Make define_expand. Move real insn to...
1489 ("*expanded_return"): New pattern.
1490 ("prologue", "epilogue"): New define_expands.
1491 * config/mmix/mmix.h (MMIX_rO_REGNUM): New macro.
1492 (struct machine_function): New member in_prologue.
1493 (FIRST_PSEUDO_REGISTER): Adjust for including rO as register.
1494 (FIXED_REGISTERS, CALL_USED_REGISTERS): Ditto.
1495 (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Ditto.
1496 (MMIX_GNU_ABI_REG_ALLOC_ORDER, REG_CLASS_CONTENTS): Ditto.
1497 (REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES): Ditto.
1498 (LOCAL_REGNO): Define. Adjust comment.
1499 * config/mmix/mmix.c (MMIX_CFUN_NEEDS_SAVED_EH_RETURN_ADDRESS):
1500 Consider regs_ever_live[MMIX_rJ_REGNUM], not just
1501 leaf_function_p.
1502 (MMIX_OUTPUT_REGNO): Don't translate registers while outputting
1503 the prologue.
1504 (mmix_target_asm_function_prologue): Make static. Just mark that
1505 the prologue is being emitted. Move guts to...
1506 (mmix_expand_prologue): New function. Adjust for emitting
1507 prologue as rtl. For sizes, use HOST_WIDE_INT only.
1508 (mmix_target_asm_function_epilogue): Make static. Simply emit a
1509 \n. Move guts to...
1510 (mmix_expand_epilogue): New function. Adjust for emitting
1511 epilogue as rtl. For sizes, use HOST_WIDE_INT only.
1512 (mmix_target_asm_function_end_prologue): Mark that the prologue
1513 has ended.
1514 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
1515 (mmix_conditional_register_usage): Improve comments.
1516 (mmix_local_regno): New function.
1517 (mmix_emit_sp_add, mmix_get_hard_reg_initial_val): Ditto.
1518 * config/mmix/mmix-protos.h (mmix_local_regno): Prototype.
1519 (mmix_expand_prologue, mmix_expand_epilogue): Ditto.
1520 (mmix_get_hard_reg_initial_val): Ditto.
1521
1522 2002-07-06 Andreas Jaeger <aj@suse.de>
1523
1524 * toplev.c (set_fast_math_flags): Don't use ISO C style function
1525 definitions.
1526 * gengtype.c (open_base_files): Likewise.
1527 (close_output_files): Likewise.
1528 * tracer.c (find_best_predecessor): Likewise.
1529 (find_best_successor): Likewise.
1530 (ignore_bb_p): Likewise.
1531
1532 2002-07-05 Roger Sayle <roger@eyesopen.com>
1533
1534 PR c++/7099
1535 * builtin-attrs.def: Define new attribute lists for use in
1536 builtins.def.
1537 * builtins.def [DEF_BUILTIN]: Modify to take an additional
1538 ATTRS argument, an enumerated value defined in builtin-attrs.def
1539 that represents the attribute list for the builtins. Modify
1540 all builtin functions to pass an appropriate attribute list.
1541 Specify "abort", "exit", "_exit" and "_Exit" builtins here with
1542 their required noreturn attributes.
1543 * tree.h (enum_builtin_function): Ignore the additional parameter
1544 to DEF_BUILTIN.
1545 * builtins.c (built_in_names): Likewise.
1546 * c-common.c: (builtin_function_2): Replace the "int noreturn_p"
1547 argument with a tree representing the functions attribute list.
1548 Pass this "attrs" argument to builtin_function. No longer handle
1549 the noreturn_p processing manually.
1550 (built_in_attributes): Move the definitions from builtin-attrs.def
1551 before c_common_nodes_and_builtins.
1552 (c_common_nodes_and_builtins): Handle the new ATTRS parameter in
1553 DEF_BUILTIN, passing it to both builtin_function and the changed
1554 builtin_function_2.
1555
1556 * doc/extend.texi: Document __builtin_abort, __builtin_exit,
1557 __builtin__exit and __builtin__Exit.
1558
1559 2002-07-05 Stephane Carrez <stcarrez@nerim.fr>
1560
1561 * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Avoid allocating
1562 QI mode registers in soft registers.
1563 ("zero_extendqihi2"): Do not take into account soft registers
1564 for register allocation (use '*' constraint).
1565
1566 2002-07-05 Stephane Carrez <stcarrez@nerim.fr>
1567
1568 * config/m68hc11/m68hc11.md ("*ashlsi3"): Avoid saving y if we know
1569 it is dead.
1570 ("*ashrsi3"): Likewise.
1571 ("*lshrsi3"): Likewise.
1572
1573 2002-07-05 Vladimir Makarov <vmakarov@redhat.com>
1574
1575 * genautomata.c (output_max_insn_queue_index_def): Take latencies
1576 into account.
1577
1578 2002-07-05 Stephane Carrez <stcarrez@nerim.fr>
1579
1580 * config/m68hc11/m68hc11.md (peephole2): New peephole2 to optimize
1581 address computation and memory moves.
1582
1583 2002-07-03 Mark Mitchell <mark@codesourcery.com>
1584
1585 PR c++/6706
1586 * dwarfout.c (output_reg_number): Fix warning message.
1587 (output_bound_representation): Check SAVE_EXPR_RTL is not NULL
1588 before using it.
1589
1590 2002-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1591
1592 * gcc/gcc.c (asm_debug): Move initialization ...
1593 (init_spec): ... here.
1594
1595 2002-07-05 Nathan Sidwell <nathan@codesourcery.com>
1596
1597 * c-parse.in (extdef): Append ';'.
1598 (old_style_parm_decls): Append ';'.
1599
1600 2002-07-04 Daniel Jacobowitz <drow@mvista.com>
1601
1602 * configure.in: Correct typos: gcc_cv_as_gdwarf2_debug_flag to
1603 gcc_cv_as_gdwarf2_flag and gcc_cv_as_gstabs_debug_flag
1604 to gcc_cv_as_gstabs_flag.
1605 * configure: Rebuilt.
1606
1607 2002-07-04 Geoffrey Keating <geoffk@redhat.com>
1608
1609 * ggc.h (ggc_add_root): Document as obsolete.
1610
1611 Thu Jul 4 07:58:01 2002 J"orn Rennecke <joern.rennecke@superh.com>
1612
1613 * sh.md (mshfhi_b, mshflo_b, mshfhi_l, mshflo_l, mshfhi_w): Add DONE.
1614 (mshflo_w): Likewise.
1615
1616 Thu Jul 4 07:36:29 2002 J"orn Rennecke <joern.rennecke@superh.com>
1617
1618 * simplify-rtx.c (simplify_subreg): Reduce problem of finding
1619 vector mode subregs of constants to finding integer mode
1620 subregs of constants.
1621 * cse.c (cse_insn): Use simplify_gen_subreg.
1622 * convert.c (convert_to_integer): Don't strip a NOP_EXPR
1623 From a vector mode expression of different size than the
1624 target mode.
1625
1626 2002-07-03 Eric Christopher <echristo@redhat.com>
1627
1628 * config/mips/linux.h: Add #undef for SUBTARGET_CPP_SPEC.
1629 * config/mips/mips.h: Remove deprecated -m<processor> options
1630 and cc1_cpu_spec associated.
1631 (CONSTANT_ADDRESS_P): Fix last patch.
1632 (ASM_DECLARE_FUNCTION_NAME): Declare. Fix comment.
1633 * config/mips/mips.md (bungt, bunge, sungt_df, sungt_sf, sunge_df,
1634 sunge_sf): Remove.
1635
1636 2002-07-03 Stan Shebs <shebs@apple.com>
1637
1638 * config/darwin.h (APPLE_CC): Remove, not meaningful in FSF GCC.
1639 (STRINGIFY_THIS, REALLY_STRINGIFY): Remove.
1640 (CPP_SPEC): Remove insertion of APPLE_CC definition.
1641
1642 2002-07-03 Roger Sayle <roger@eyesopen.com>
1643
1644 * combine.c (struct_undo): Change types of recorded substitutions
1645 to be either "int" or "rtx", instead of "unsigned int" and "rtx".
1646 (do_SUBST_INT): Change types of the substitution from unsigned int
1647 to int, to avoid compilation warning from SUBST_INT's only caller.
1648
1649 (make_extraction): Add cast to avoid compilation warning.
1650 (force_to_mode): Remove cast to avoid compilation warning.
1651
1652 2002-07-03 Eric Botcazou <ebotcazou@multimania.com>
1653 Jeff Law <law@redhat.com>
1654
1655 * i386.md (length_immediate attribute): Fix typo.
1656 (length_address attribute): Likewise.
1657 (modrm attribute): Set it to 0 for immediate call instructions.
1658 (jcc_1 pattern): Set modrm attribute to 0.
1659 (jcc_2 pattern ): Likewise.
1660 (jump pattern): Likewise.
1661 (doloop_end_internal pattern): Explicitly set length.
1662 (leave pattern): Fix typo.
1663 (leave_rex64 pattern): Likewise.
1664
1665 2002-07-03 David Edelsohn <edelsohn@gnu.org>
1666
1667 * config/rs6000/rs6000.md (fix_truncdfsi2_internal): Ignore DImode
1668 in FPR as preference.
1669 (fctiwz): Same.
1670 (floatdidf2, fix_truncdfdi2): Same.
1671 (floatdisf2, floatditf2, fix_trunctfdi2): Same.
1672 (floatditf2): Same.
1673 (floatsitf2, fix_trunctfsi2): SImode in GPR.
1674 (ctrdi): Remove FPR alternative and splitter.
1675
1676 2002-07-03 Will Cohen <wcohen@redhat.com>
1677
1678 * config/i386/i386.c (x86_integer_DFmode_moves): Disable for PPro.
1679
1680 Wed Jul 3 10:24:16 2002 J"orn Rennecke <joern.rennecke@superh.com>
1681
1682 * optabs.c (expand_vector_binop): Don't store using a SUBREG smaller
1683 than UNITS_PER_WORD, unless this is little endian and the first unit
1684 in this word. Let extract_bit_field decide how to load an element.
1685 Force arguments to matching mode.
1686 (expand_vector_unop): Likewise.
1687
1688 * simplify-rtx.c (simplify_subreg): Don't assume that all vectors
1689 consist of word_mode elements.
1690 * c-typeck.c (build_binary_op): Allow vector types for BIT_AND_EXPR,
1691 BIT_ANDTC_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR.
1692 (build_unary_op): Allow vector types for BIT_NOT_EPR.
1693 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg for
1694 CONST_VECTOR.
1695 * optabs.c (expand_vector_binop): Try to perform operation in
1696 smaller vector modes with same inner size. Add handling of AND, IOR
1697 and XOR. Reject expansion to inner-mode sized scalars when using
1698 OPTAB_DIRECT. Use simplify_gen_subreg on constants.
1699 (expand_vector_unop): Try to perform operation in smaller vector
1700 modes with same inner size. Add handling of one's complement.
1701 When there is no vector negate operation, try a vector subtract
1702 operation. Use simplify_gen_subreg on constants.
1703 * simplify-rtx.c (simplify_subreg): Add capability to convert vector
1704 constants into smaller vectors with same inner mode, and to
1705 integer CONST_DOUBLEs.
1706
1707 2002-07-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1708
1709 * c-parse.in (parsing_iso_function_signature): New variable.
1710 (extdef_1): New, copied from...
1711 (extdef): ... here. Reset parsing_iso_function_signature.
1712 (old_style_parm_decls): Reset parsing_iso_function_signature.
1713 (old_style_parm_decls_1): New, copied from old_style_parm_decls.
1714 Warn about ISO C style function definitions.
1715 (nested_function, notype_nested_function): Reset
1716 parsing_iso_function_signature.
1717 (parmlist_2): Set parsing_iso_function_signature.
1718
1719 * doc/invoke.texi (-Wtraditional): Document new behavior.
1720
1721 2002-07-02 Chris Demetriou <cgd@broadcom.com>
1722
1723 * config.gcc (mips*el-*-*): Use tm_defines to set
1724 TARGET_ENDIAN_DEFAULT, rather than including mips/little.h.
1725 * config/mips/little.h: Remove.
1726
1727 2002-07-02 Devang Patel <dpatel@apple.com>
1728
1729 * objc/objc-act.c (adjust_type_for_id_default): Do not allow an
1730 object as parameter. Prevent something like 'NSObject' to be
1731 used as the type for a method argument.
1732
1733 2002-07-03 Neil Booth <neil@daikokuya.co.uk>
1734
1735 * cpptrad.c: Update comment.
1736
1737 2002-07-02 Neil Booth <neil@daikokuya.co.uk>
1738
1739 * doc/cpp.texi: Update for traditional preprocessing changes.
1740 * goc/cppopts.texi: Similarly.
1741
1742 2002-07-02 Ziemowit Laski <zlaski@apple.com>
1743
1744 * c-parse.in (designator): Enable designated initializers if ObjC.
1745 (objcmessageexpr): Remove references to objc_receiver_context.
1746 * objc/objc-act.h (objc_receiver_context): Remove decl.
1747 * objc/objc-act.c (objc_receiver_context): Remove.
1748 (lookup_objc_ivar): Test objc_method_context instead of
1749 objc_receiver_context.
1750
1751 Tue Jul 2 18:45:45 2002 J"orn Rennecke <joern.rennecke@superh.com>
1752
1753 * sh.c (print_operand, case 'N'): Allow zero vector.
1754 (arith_reg_or_0_operand): Likewise.
1755 (zero_vec_operand): Check for CONST_VECTOR, not PARALLEL.
1756 * sh.h (CONST_COSTS): 0 has 0 cost. Check OUTER_CODE for
1757 IOR, XOR, PLUS and SET and take their respective constant
1758 ranges into account.
1759 (PREDICATE_CODES, arith_reg_or_0_operand): Can be CONST_VECTOR.
1760 * sh.md (subdi3, subdi3_media): Allow zero operand.
1761 (movv8qi_i+3): Only vector that is not split is the zero vector.
1762 Fix operand 3 to simplify_subreg.
1763 (movv2si_i): Split alternative 1.
1764 (mshfhi_l_di_rev+1): New splitter.
1765
1766 2002-07-02 Neil Booth <neil@daikokuya.co.uk>
1767
1768 PR preprocessor/7029
1769 * cppinit.c (cpp_handle_option): Suppress warnings with an
1770 implicit "-w" for "-M" and "-MM".
1771 * doc/cppopts.texi: Update.
1772
1773 2002-07-01 Roger Sayle <roger@eyesopen.com>
1774
1775 * config/sh/sh.c (sh_media_init_builtins): Change use of poisoned
1776 identifier "bzero" to "memset". Pass extra NULL_TREE argument to
1777 builtin_function.
1778
1779 2002-07-02 Alan Modra <amodra@bigpond.net.au>
1780
1781 * README.Portability: Fix typos.
1782
1783 2002-07-01 Hans-Peter Nilsson <hp@axis.com>
1784
1785 PR target/7177
1786 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Correct number
1787 of indirections for register inside sign-extended mem part.
1788
1789 2002-07-01 Roger Sayle <roger@eyesopen.com>
1790
1791 * tree.h: Modify builtin_function interface to take an extra
1792 argument ATTRS, which is a tree representing an attribute list.
1793
1794 * c-decl.c (builtin_function): Accept additional parameter.
1795 * objc/objc-act.c (builtin_function): Likewise.
1796 * f/com.c (builtin_function): Likewise.
1797 * java/decl.c (builtin_function): Likewise.
1798 * ada/utils.c (builtin_function): Likewise.
1799 * cp/decl.c (builtin_function): Likewise.
1800 (builtin_function_1): Likewise.
1801
1802 * c-common.c (c_common_nodes_and_builtins): Pass an additional
1803 NULL_TREE argument to builtin_function. (builtin_function_2):
1804 Likewise.
1805 * cp/call.c (build_java_interface_fn_ref): Likewise.
1806 * objc/objc-act.c (synth_module_prologue): Likewise.
1807 * java/decl.c (java_init_decl_processing): Likewise.
1808 * f/com.c (ffe_com_init_0): Likewise.
1809
1810 * config/alpha/alpha.c (alpha_init_builtins): Pass an additional
1811 NULL_TREE argument to builtin_function.
1812 * config/arm/arm.c (def_builtin): Likewise.
1813 * config/c4x/c4x.c (c4x_init_builtins): Likewise.
1814 * config/i386/i386.c (def_builtin): Likewise.
1815 * config/ia64/ia64.c (def_builtin): Likewise.
1816 * config/rs6000/rs6000.c (def_builtin): Likewise.
1817
1818 2002-07-01 Zack Weinberg <zack@codesourcery.com>
1819
1820 * config/ip2k/t-ip2k: Remove LIBGCC1, CROSS_LIBGCC1, and LIBGCC1_TEST.
1821 * config/mips/t-isa3264: Likewise.
1822 * config/mmix/t-mmix: Likewise.
1823
1824 2002-07-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1825
1826 * emit-rtl.c (init_emit_once): Add missing cast to HOST_WIDE_INT.
1827
1828 2002-07-01 Roger Sayle <roger@eyesopen.com>
1829
1830 PR opt/4046
1831 * fold-const.c (fold) [COND_EXPR]: Simplify A ? 0 : 1 to !A,
1832 A ? B : 0 to A && B and A ? B : 1 into !A || B if both A and
1833 B are truth values.
1834
1835 2002-07-01 Nathanael Nerode <neroden@gcc.gnu.org>
1836
1837 * config/mmix/t-mmix: Eliminate last reference to LIBGCC1_TEST.
1838
1839 2002-07-01 Matt Kraai <kraai@alumni.cmu.edu>
1840
1841 * README.Portability (Function prototypes): Give an example of
1842 declaring and defining a function with no arguments.
1843
1844 * README.Portability (Function prototypes): Document new
1845 variable-argument function macros.
1846
1847 Mon Jul 1 19:55:17 2002 J"orn Rennecke <joern.rennecke@superh.com>
1848
1849 * sh.c (langhooks.h): Include.
1850 (sh_init_builtins, sh_media_init_builtins): New functions.
1851 (sh_expand_builtin, arith_reg_dest,and_operand): Likewise.
1852 (mextr_bit_offset, extend_reg_operand, zero_vec_operand): Likewise.
1853 (sh_rep_vec, sh_1el_vec, sh_const_vec): Likewise.
1854 (builtin_description): New struct tag.
1855 (signature_args, bdesc): New arrays.
1856 (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Undef / define.
1857 (print_operand): Add 'N' modifier.
1858 * sh.h (VECTOR_MODE_SUPPORTED_P): Add SHmedia vector modes.
1859 (EXTRA_CONSTRAINT_U, EXTRA_CONSTRAINT_W): New macros.
1860 (EXTRA_CONSTRAINT): Add 'U' and 'W' cases.
1861 (CONST_COSTS): Add special case for SHmedia AND.
1862 (PREDICATE_CODES): Add and_operand, arith_reg_dest,
1863 extend_reg_operand, extend_reg_or_0_operand, mextr_bit_offset,
1864 sh_const_vec, sh_1el_vec, sh_rep_vec, zero_vec_operand.
1865 target_operand can also be const or unspec.
1866 * sh.md (UNSPEC_INIT_TRAMP, UNSPEC_FCOSA UNSPEC_FSRRA): New constants.
1867 (UNSPEC_FSINA, UNSPEC_NSB, UNSPEC_ALLOCO): Likewise.
1868 (attribute type): Add new types.
1869 (anddi3): Add splitter.
1870 (movdi_const_16bit+1): Add code to handle vector constants and
1871 bitmasks efficiently.
1872 (shori_media): Have generator function made.
1873 (movv8qi, movv8qi_i, movv8qi_i+1, movv8qi_i+2): New patterns.
1874 (movv8qi_i+3, movv2hi, movv2hi_i, movv4hi, movv4hi_i): Likewise.
1875 (movv2si, movv2si_i, absv2si2, absv4hi2, addv2si3, addv4hi3): Likewise.
1876 (ssaddv2si3, usaddv8qi3, ssaddv4hi3, negcmpeqv8qi): Likewise.
1877 (negcmpeqv2si, negcmpeqv4hi, negcmpgtuv8qi, negcmpgtv2si): Likewise.
1878 (negcmpgtv4hi, mcmv, mcnvs_lw, mcnvs_wb, mcnvs_wub): Likewise.
1879 (mextr_rl, mextr_lr, mextr1, mextr2, mextr3, mextr4, mextr5): Likewise.
1880 (mextr6, mextr7, mmacfx_wl, mmacfx_wl_i, mmacnfx_wl): Likewise.
1881 (mmacnfx_wl_i, mulv2si3, mulv4hi3, mmulfx_l, mmulfx_w): Likewise.
1882 (mmulfxrp_w, mmulhi_wl, mmullo_wl, mmul23_wl, mmul01_wl): Likewise.
1883 (mmulsum_wq, mmulsum_wq_i, mperm_w, mperm_w_little): LIkewise.
1884 (mperm_w_big, mperm_w0, msad_ubq, msad_ubq_i, mshalds_l): Likewise.
1885 (mshalds_w, ashrv2si3, ashrv4hi3, mshards_q, mshfhi_b): Likewise.
1886 (mshflo_b, mshf4_b, mshf0_b, mshfhi_l, mshflo_l, mshf4_l): Likewsie.
1887 (mshf0_l, mshfhi_w, mshflo_w, mshf4_w, mshf0_w, mshfhi_l_di): Likewise.
1888 (mshfhi_l_di_rev, mshflo_l_di, mshflo_l_di_rev): Likewise.
1889 (mshflo_l_di_x, mshflo_l_di_x_rev, ashlv2si3, ashlv4hi3): Likewise.
1890 (lshrv2si3, lshrv4hi3, subv2si3, subv4hi3, sssubv2si3): Likewise.
1891 (ussubv8qi3, sssubv4hi3, fcosa_s, fsina_s, fipr, fsrra_s): Likewise.
1892 (ftrv): Likewise.
1893
1894 (fpu_switch+1, fpu_switch+2): Remove constraint.
1895
1896 2002-07-01 Aldy Hernandez <aldyh@redhat.com>
1897
1898 * tree.c (build_function_type_list): Update function comment.
1899 Rename first argument to return_type.
1900
1901 2002-07-01 Neil Booth <neil@daikokuya.co.uk>
1902
1903 * Makefile.in: Remove all trace of tradcpp.c, tradcpp.h,
1904 tradcif.y and related files.
1905
1906 2002-07-01 Neil Booth <neil@daikokuya.co.uk>
1907
1908 * cpptrad.c (skip_whitespace): Pass pointer to prior char.
1909
1910 2002-07-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1911
1912 * mips.h (FUNCTION_ARG_REGNO_P): Fix parentheses.
1913
1914 2002-06-30 Devang Patel <dpatel@apple.com>
1915
1916 * objc/objc-act.c (finish_file): Avoid finish_objc() if
1917 -fsyntax-only.
1918
1919 Fri Jun 28 17:22:37 2002 Denis Chertykov <denisc@overta.ru>
1920 Frank Ch. Eigler <fche@redhat.com>
1921 Matthew Green <mrg@redhat.com>
1922 Richard Henderson <rtl@redhat.com>
1923 Dave Hudson <dave.hudson@ubicom.com>
1924 Jeff Johnston <jjohnstn@redhat.com>
1925 Alan Lehotsky <apl@alum.mit.edu>
1926 Bernd Schmidt <bernds@redhat.com>
1927 Graham Stott <grahams@redhat.com>
1928
1929 * doc/extend.texi: Add ip2k port to description of attribute
1930 naked.
1931 * doc/install.texi (Specific): Add ip2k description.
1932 * doc/install-old.texi (Configurations): Add ip2k to possible
1933 cpu types.
1934 * doc/md.texi: Document ip2k constraints.
1935 * config/ip2k/crt0.S: New file.
1936 * config/ip2k/ip2k-protos.h: New file.
1937 * config/ip2k/ip2k.c: New file.
1938 * config/ip2k/ip2k.h: New file.
1939 * config/ip2k/ip2k.md: New file.
1940 * config/ip2k/libgcc.S: New file.
1941 * config/ip2k/t-ip2k: New file.
1942
1943 2002-06-30 Hans-Peter Nilsson <hp@bitrange.com>
1944
1945 * config/mmix/mmix.md ("return"): New pattern.
1946 * config/mmix/mmix.h (TARGET_MASK_USE_RETURN_INSN)
1947 (TARGET_USE_RETURN_INSN): New macros.
1948 (TARGET_DEFAULT): Include TARGET_MASK_USE_RETURN_INSN.
1949 (TARGET_SWITCHES): Add -msingle-exit and -mno-single-exit.
1950 * config/mmix/mmix.c (MMIX_OUTPUT_REGNO): Fix spacing.
1951 (MMIX_POP_ARGUMENT): New macro.
1952 (mmix_target_asm_function_prologue): When no epilogue is executed,
1953 just emit a blank line. Use MMIX_POP_ARGUMENT with final POP insn.
1954 (mmix_print_operand) <case '.'>: New case.
1955 (mmix_print_operand_punct_valid_p): Match '.'.
1956 (mmix_use_simple_return): New function.
1957 * config/mmix/mmix-protos.h (mmix_use_simple_return): Prototype.
1958 * doc/invoke.texi (Option Summary) <MMIX Summary>: Add
1959 -msingle-exit, -mno-single-exit.
1960 (MMIX Options): Ditto.
1961
1962 2002-06-30 Aldy Hernandez <aldyh@redhat.com>
1963
1964 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Fix typos.
1965
1966 2002-06-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1967
1968 * gengtype.c (oprintf): Move VA_CLOSE after all fixedarg uses.
1969
1970 2002-06-30 Alan Modra <amodra@bigpond.net.au>
1971
1972 * unroll.c (loop_iterations): Handle EQ loops.
1973
1974 2002-06-29 David Edelsohn <edelsohn@gnu.org>
1975
1976 * config/rs6000/rs6000.md (ctrdi): Allocate pseudo for FPR
1977 constraint in define_expand, not splitter.
1978 Formatting.
1979
1980 2002-06-29 Aldy Hernandez <aldyh@redhat.com>
1981
1982 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1983 build_function_type_list instead of build_function_type.
1984
1985 * config/ia64/ia64.c (ia64_init_builtins): Same.
1986
1987 * config/alpha/alpha.c (alpha_init_builtins): Same.
1988
1989 * config/rs6000/rs6000.c (altivec_init_builtins): Same.
1990
1991 * config/arm/arm.c (arm_init_builtins): Same.
1992
1993 * tree.h: Add build_function_type_list prototype.
1994
1995 * tree.c (build_function_type_list): New.
1996
1997 2002-06-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1998
1999 * collect2.c (scan_prog_file): Fix typo in message.
2000
2001 2002-06-28 Aaron Lehmann <aaronl@vitelus.com>
2002
2003 * fold-cont.c: Remove unused CHARMASK.
2004
2005 2002-06-29 Neil Booth <neil@daikokuya.co.uk>
2006
2007 PR preprocessor/7150
2008 * cppmain.c (scan_translation_unit_trad): Simplify.
2009 * cppmacro.c (cpp_scan_nooutput): Handle traditional case.
2010
2011 2002-06-29 Neil Booth <neil@daikokuya.demon.co.uk>
2012
2013 * config/i386/crtdll.h: Define EXTRA_OS_CPP_BUILTINS.
2014 Don't use CPP_PREDEFINES.
2015 * config/i386/cygwin.h (EXTRA_OS_CPP_BUILTINS): New.
2016 Used TARGET_OS_CPP_BUILTINS in preference to CPP_PREDEFINES.
2017 * config/i386/djgpp.h, config/i386/i386-coff.h,
2018 config/i386/i386-interix.h, config/i386/i386-interix3.h,
2019 config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mingw32.h,
2020 config/i386/openbsd.h, config/i386/ptx4-i.h, config/i386/sysv3.h,
2021 config/i386/uwin.h: Similarly.
2022
2023 2002-06-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2024
2025 * c4x.h: (TARGET_CPU_CPP_BUILTINS): Check flag_inline_functions and
2026 flag_inline_trees to enable inlining.
2027
2028 2002-06-28 Phil Edwards <pme@gcc.gnu.org>
2029
2030 * configure.in (gcc_gxx_include_dir): Change to match versioned
2031 C++ headers if --enable-version-specific-runtime-libs is used.
2032 * configure: Regenerate.
2033
2034 2002-06-28 Jan Hubicka <jh@suse.cz>
2035
2036 * gcse.c (gcse_emit_move_after): Use gen_move_insn to produce the move.
2037
2038 2002-06-28 Stephen Clarke <stephen.clarke@superh.com>
2039
2040 * combine.c (combine_simplify_rtx): Pass the mode of the
2041 shift count, not the shift operation when trying to simplify
2042 a shift on a SHIFT_COUNT_TRUNCATED target.
2043
2044 2002-06-28 Stephane Carrez <stcarrez@nerim.fr>
2045
2046 * config/m68hc11/m68hc11.md ("*addsi3"): Use 'o' constraint to
2047 avoid the auto increment addressing modes.
2048 ("*subsi3"): Likewise.
2049 (split for add/sub on address): For 68HC12 push the value on
2050 the stack and do the operation with a pop.
2051
2052 2002-06-28 Neil Booth <neil@daikokuya.co.uk>
2053
2054 * cpplib.c (_cpp_handle_directive): Move #define-specific
2055 code to the #define handler...
2056 (do_define): ...here.
2057 (lex_macro_node): No longer a need to check for comments here.
2058
2059 2002-06-28 Stephane Carrez <stcarrez@nerim.fr>
2060
2061 * config/m68hc11/m68hc11.h (OPTIMIZATION_OPTIONS): Define.
2062 * config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
2063 Declare.
2064 * config/m68hc11/m68hc11.c (m68hc11_optimization_options): New,
2065 do not reorder basic blocks at the end when optimizing for size.
2066
2067 2002-06-28 Stephane Carrez <stcarrez@nerim.fr>
2068
2069 * config/m68hc11/m68hc11.c (autoinc_mode): New function.
2070 (m68hc11_make_autoinc_notes): New function.
2071 (m68hc11_split_move): Be very cautious when spliting a move with
2072 auto increment/decrement modes because this may result in incompatible
2073 directions; add REG_INC notes to the resulting insn for CSE reg.
2074
2075 2002-06-28 Stephane Carrez <Stephane.Carrez@nerim.fr>
2076
2077 * config/m68hc11/m68hc11.c (register_indirect_p): For 68HC12 a constant
2078 can be a valid address.
2079
2080 2002-06-28 Aldy Hernandez <aldyh@redhat.com>
2081
2082 * config/rs6000/rs6000.c: Remove unusued variables from last
2083 patch.
2084
2085 2002-06-27 Aldy Hernandez <aldyh@redhat.com>
2086
2087 Revert:
2088 * config/rs6000/rs6000.c (rs6000_override_options): Move
2089 *SUBTARGET_OVERRIDE_OPTIONS before the -m options.
2090
2091 2002-06-27 Aldy Hernandez <aldyh@redhat.com>
2092
2093 * config/rs6000/rs6000.c (altivec_expand_builtin): Move
2094 lvx/stv/dst builtins...
2095 (altivec_expand_ld_builtin): ...to here.
2096 (altivec_expand_st_builtin): ...here.
2097 (altivec_expand_dst_builtin): ...and here (respectively).
2098
2099 2002-06-28 Bob Wilson <bob.wilson@acm.org>
2100
2101 * config/xtensa/xtensa.h (RETURN_IN_MEMORY): Update comment.
2102
2103 2001-06-08 Bernd Schmidt <bernds@redhat.com>
2104
2105 * emit-rtl.c (gen_lowpart_common): Don't create paradoxical FLOAT_MODE
2106 subregs.
2107 * recog.c (general_operand, register_operand): Disallow them.
2108
2109 2002-06-28 Neil Booth <neil@daikokuya.co.uk>
2110
2111 PR preprocessor/7138
2112 * cpplib.c (_cpp_handle_directive): Do traditional
2113 preparation after setting state.angled_headers.
2114 * cpptrad.c (scan_out_logical_line): Fix potential
2115 quote bug.
2116
2117 2002-06-27 Aldy Hernandez <aldyh@redhat.com>
2118
2119 * config/rs6000/rs6000.c (rs6000_override_options): Move
2120 *SUBTARGET_OVERRIDE_OPTIONS before the -m options.
2121
2122 2002-06-27 Bob Wilson <bob.wilson@acm.org>
2123
2124 * config/xtensa/xtensa.md: Give "*xxx" names to all unnamed insn's.
2125 (*lsiu, *ssiu, movstrsi_internal, zero_cost_loop_start,
2126 zero_cost_loop_end): Remove unnecessary "parallel" from insns.
2127
2128 2002-06-27 Roger Sayle <roger@eyesopen.com>
2129
2130 * config/d30v/d30v.h: Remove commented out STACK_REGS #defines.
2131 * config/stormy16/stormy16.h: Likewise.
2132
2133 * config/stormy16/stormy16.h (CUMULATIVE_ARGS): Replace typedef
2134 with #define.
2135
2136 2002-06-26 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2137
2138 * doc/install.texi (Binaries): Add Sinix/Reliant Unix. Move
2139 Hitachi entry. Make punctuation more consistent.
2140
2141 2002-06-27 Matt Kraai <kraai@alumni.cmu.edu>
2142
2143 * doc/install.texi: Change ` bit' to `-bit'.
2144 * doc/md.texi: Change `-bits' to `-bit'.
2145 * doc/tm.texi: Change `-bits' to ` bits'.
2146
2147 2002-06-27 Daniel Berlin <dberlin@dberlin.org>
2148
2149 * gcse.c (hoist_code): Rewrite to only get list of dominated
2150 blocks once per BB. Also fix reversed test (by removing need for
2151 the test at all).
2152
2153 2002-06-27 Neil Booth <neil@daikokuya.co.uk>
2154
2155 * cpphash.h (_cpp_set_trad_context): Remove.
2156 * cpplib.c (prepare_directive_trad): Do nothing for #define.
2157 (cpp_push_buffer, _cpp_pop_buffer): Don't call _cpp_set_trad_context.
2158 * cpptrad.c: Update comments.
2159 (_cpp_read_logical_line_trad): Let scan_logical_line handle
2160 updating the current context.
2161 (scan_logical_line): Update the current context.
2162 (_cpp_create_trad_definition): Similarly.
2163 (_cpp_set_trad_context): Remove.
2164
2165 2002-06-27 Neil Booth <neil@daikokuya.co.uk>
2166
2167 PR preprocessor/7070
2168 * c-lex.c (cb_def_pragma): Don't try to spell CPP_EOF.
2169
2170 2002-06-26 Bob Wilson <bob.wilson@acm.org>
2171
2172 * config/xtensa/xtensa-protos.h (xtensa_return_addr): Declare.
2173 config/xtensa/xtensa.c (xtensa_return_addr): New function.
2174 config/xtensa/xtensa.h (RETURN_ADDR_RTX): Use xtensa_return_addr.
2175 config/xtensa/xtensa.md (fix_return_addr): New pattern.
2176
2177 2002-06-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2178
2179 * mips.c (coprocessor_operand, coprocessor2_operand,
2180 symbolic_operand): Move prototypes from here...
2181 * mips-protos.h (coprocessor_operand, coprocessor2_operand,
2182 symbolic_operand): ...to here.
2183
2184 Wed Jun 26 16:32:57 2002 J"orn Rennecke <joern.rennecke@superh.com>
2185
2186 * config/sh/crt1.asm: remove _stack label definition
2187 and sentinel value.
2188
2189 2002-06-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2190
2191 * varasm.c: Include real.h before output.h.
2192
2193 2002-06-26 Aldy Hernandez <aldyh@redhat.com>
2194
2195 * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Revert change to
2196 check for TARGET_ALTIVEC.
2197
2198 2002-06-26 Nathanael Nerode <neroden@gcc.gnu.org>
2199
2200 * config.gcc (vax-*-vms*): Make obselete.
2201
2202 2002-06-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203
2204 * gcc.c (warn_std): Delete.
2205
2206 2002-06-25 Loren J. Rittle <ljrittle@acm.org>
2207
2208 * doc/extend.texi: Fix formatting of last checkin.
2209
2210 2002-06-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2211
2212 * config/alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Remove leading
2213 underscore from __IEEE_FP and __IEEE_FP_INEXACT.
2214
2215 2002-06-25 Aldy Hernandez <aldyh@redhat.com>
2216
2217 * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2218 discrepancies from motorola's documentation.
2219
2220 Tue Jun 25 21:51:13 2002 J"orn Rennecke <joern.rennecke@superh.com>
2221
2222 * optabs.c (expand_vector_binop, expand_vector_unop): Don't assume
2223 GET_MODE_UNIT_SIZE (mode) == UNITS_PER_WORD.
2224
2225 * config/sh/lib1funcs.asm (udivdi3): Make first divide step
2226 produce a 32 bit result before normalization, then normalize with a
2227 left shift. Compute approximative error of 2nd reciprocal
2228 approximation in 2's complement. Fix mask generation from upper
2229 longword of second divide stage result.
2230 For large divisor, fix shift count used to truncate first stage
2231 divide result; make decision if to adjust upwards based on comparison
2232 of higher parts of normalized values.
2233 (udivdi): Likewise. Undo normalization of result for large divisor
2234 case.
2235
2236 2002-06-25 David S. Miller <davem@redhat.com>
2237
2238 * config/sparc/sparc.md: Change \\{t,n} to \{t,n}.
2239
2240 2002-06-25 Neil Booth <neil@daikokuya.co.uk>
2241
2242 * cpplib.c (do_include_common): Revert to correct line number
2243 if -traditional.
2244 * cpptrad.c (scan_out_logical_line): Treat null directive as
2245 white space. Invlidate MI optimization for non-whitespace
2246 text outside a directive.
2247
2248 2002-06-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2249
2250 * Makefile.in (SHELL): Set to @SHELL@.
2251 * fixinc/Makefile.in (SHELL): Likewise.
2252
2253 * mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2,
2254 fixuns_truncsfsi2, fixuns_truncsfdi2): Avoid automatic aggregate
2255 initialization.
2256
2257 2002-06-24 Jeff Law <law@redhat.com>
2258
2259 * flow.c (propagate_one_insn): When removing an insn
2260 with a REG_LIBCALL note but not the entire libcall sequence,
2261 delete the associated REG_RETVAL note.
2262
2263 Mon Jun 24 21:05:09 2002 J"orn Rennecke <joern.rennecke@superh.com>
2264
2265 * lib1funcs.asm (sdivsi3): Add optimized SH64 implementations.
2266 (udivsi3): Likewise. Rewrite SH1 implementation.
2267 (udivdi3, divdi3, umoddi3, moddi3): New SHmedia functions.
2268 * sh.md (R20_REG, R21_REG, R22_REG, R23_REG, FR23_REG): New constants.
2269 (udivsi3_i1_media, divsi3_i1_media): Fix clobber list.
2270 * config/sh/t-sh64 (LIB1ASMFUNCS): (_udivdi3, _divdi3, _umoddi3): Add.
2271 (_moddi3): Likewise.
2272
2273 * lib1funcs.asm (ic_invalidate): Add data cache line writeback.
2274
2275 * sh.h (FUNCTION_ARG_ADVANCE): Take SHCOMPACT_FORCE_ON_STACK
2276 arguments into account for stack_regs.
2277
2278 2002-06-24 Matt Kraai <kraai@alumni.cmu.edu>
2279
2280 * doc/extend.texi: Change `@dots{}' to `/* @r{@dots{}} */'
2281 in examples.
2282
2283 2002-06-24 Art Haas <ahaas@neosoft.com>
2284
2285 * doc/extend.texi (Other Builtins): Change `...' to `@dots{}'.
2286 * doc/tm.texi (Frame Layout): Likewise.
2287
2288 2002-06-20 Steve Ellcey <sje@cup.hp.com>
2289
2290 * gcc/config.gcc (ia64*-*-hpux*): Set use_collect2 to no.
2291 Set float_format to i128.
2292
2293 2002-06-24 David S. Miller <davem@redhat.com>
2294
2295 * config/sparc/sparc.c (INIT_TARGET_OPTABS): If ARCH64, set the
2296 32-bit ABI libfuncs to NULL.
2297
2298 * config/sparc/sparc.md: Use define_insn_and_split. Use braced
2299 strings instead of quoted strings for code blocks.
2300
2301 * expmed.c (expand_divmod): Do not set optab1/optab2 to the shift
2302 optabs if op1 is const0_rtx.
2303
2304 * Makefile.in (GTFILES): Add basic-block.h
2305 * basic-block.h (label_value_list, tail_recursion_label_list):
2306 Mark with GTY.
2307
2308 2002-06-24 Neil Booth <neil@daikokuya.co.uk>
2309
2310 * cpptrad.c (scan_out_logical_line): Check recursing only when
2311 we know we have a macro invocation in the function-like case.
2312 Only call _cpp_handle_directive if we know we have a good
2313 directive, or we want to reject a bad directive.
2314
2315 2002-06-24 Alan Modra <amodra@bigpond.net.au>
2316
2317 * doloop.c (doloop_valid_p): Correct comment.
2318 (doloop_modify_runtime <abs_inc != 1>): Simplify.
2319 (doloop_modify_runtime <do-while>): Don't emit code when NE.
2320
2321 Thu Jun 20 00:26:53 2002 Denis Chertykov <denisc@overta.ru>
2322
2323 * config.gcc: Add support for ip2k.
2324
2325 2002-06-23 Jan Hubicka <jh@suse.cz>
2326 Jeff Law <law@redhat.com>
2327
2328 * function.h (struct emit_status): Clarify potential contents
2329 of regno_reg_rtx array.
2330 * integrate.c (copy_rtx_and_substitute): Update comments. Make
2331 sure entry in regno_reg_rtx is a REG before checking REG_POINTER.
2332
2333 * reg-stack.c (convert_regs_exit): Push the registers to stack in
2334 proper order.
2335
2336 2002-06-22 Ulrich Weigand <uweigand@de.ibm.com>
2337
2338 PR middle-end/6963
2339 * function.c (assign_stack_temp_for_type): Do not return
2340 the same MEM rtx for multiple uses of a stack slot.
2341
2342 2002-06-22 David S. Miller <davem@redhat.com>
2343
2344 PR target/6841 target/6770 target/6719
2345 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Return
2346 NO_REGS for constant X when CLASS is GENERAL_OR_FP_REGS or
2347 GENERAL_OR_EXTRA_FP_REGS.
2348
2349 2002-06-22 Neil Booth <neil@daikokuya.co.uk>
2350
2351 * cpptrad.c (struct fun_macro): Add line number.
2352 (scan_out_logical_line): Set it, and use it to report unterminated
2353 macro invocations.
2354
2355 2002-06-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356
2357 * genautomata.c (copy_node, VLA_PTR_CREATE, VLA_PTR_EXPAND,
2358 VLA_PTR_ADD, VLA_HWINT_CREATE, VLA_HWINT_EXPAND, VLA_HWINT_ADD,
2359 DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL, DECL_PRESENCE,
2360 DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV, REGEXP_UNIT,
2361 REGEXP_RESERV, REGEXP_SEQUENCE, REGEXP_REPEAT, REGEXP_ALLOF,
2362 REGEXP_ONEOF, check_name): Const-ify.
2363
2364 2002-06-21 Matt Thomas <matt@3am-software.com>
2365
2366 * config/vax/vax.c (vax_output_function_prologue): Use
2367 REGISTER_PREFIX. Fix some indentation.
2368 * config/vax/vax.h (FUNCTION_PROFILER): Use reg_names[].
2369 (VAX_ISTREAM_SYNC): Define.
2370 (INITIALIZE_TRAMPOLINE): Use VAX_ISTREAM_SYNC. Move the
2371 i-stream sync to the end.
2372 (REGISTER_PREFIX): Define as "".
2373 (ASM_OUTPUT_MI_THUNK): Use REGISTER_PREFIX.
2374
2375 2002-06-21 Jason Thorpe <thorpej@wasabisystems.com>
2376
2377 * config.gcc (ns32k-*-netbsd*): Remove from list of obsolete
2378 configurations.
2379
2380 2002-06-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2381
2382 * tree.c (tree_node_kind, tree_node_counts, tree_node_sizes,
2383 tree_node_kind_names): Wrap in GATHER_STATISTICS macro.
2384
2385 2002-06-21 Matt Thomas <matt@3am-software.com>
2386
2387 * config/vax/netbsd.h: Adjust a comment.
2388 (TARGET_DEFAULT): Redefine as 0.
2389
2390 2002-06-21 Richard Henderson <rth@redhat.com>
2391
2392 * bb-reorder.c (make_reorder_chain_1): Search harder for the
2393 vax casesi fallthru edge.
2394 * cfglayout.c (cleanup_unconditional_jumps): Use
2395 redirect_edge_succ_nodup. Do not delete ADDR_VEC insns as dead.
2396 * cfgrtl.c (force_nonfallthru_and_redirect): Place redirection
2397 block after ADDR_VEC.
2398
2399 2002-06-21 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2400
2401 * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtfastmath.o.
2402
2403 2002-06-21 Neil Booth <neil@daikokuya.co.uk>
2404
2405 * cpperror.c (cpp_error): For traditional CPP, default to
2406 diagnostics on pfile->line.
2407 * cpplib.c (prepare_directive_trad): Set line number for
2408 diagnostics for #define too.
2409 * cpptrad.c (skip_whitespace): Skip comments properly.
2410 (_cpp_expansions_different_trad): Initialize quote2.
2411
2412 2002-06-21 Hans-Peter Nilsson <hp@bitrange.com>
2413
2414 * config/mmix/mmix.md: Change GNU CC to GCC in file header comment.
2415 * config/mmix/mmix.h: Ditto.
2416 * config/mmix/mmix-protos.h: Ditto.
2417 * config/mmix/mmix.c: Ditto. Fix typo in comment.
2418 * config/mmix/mmix-modes.def: Change GNU CC to GCC in file header
2419 comment. Comment extra CC modes.
2420
2421 2002-06-20 Jan Hubicka <jh@suse.cz>
2422
2423 * cfglayout.c (scope_to_insns_initialize): Call set_block_levels.
2424 (scope_to_insns_finalize): Do not call set_block_levels; handle
2425 sequences.
2426 (choose_inner_scope): New.
2427 * rtl.h (choose_inner_scope): Declare.
2428
2429 2002-06-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2430
2431 * pa-protos.h (pa_asm_output_mi_thunk): Change third argument to
2432 HOST_WIDE_INT.
2433 * pa.c (pa_asm_output_mi_thunk): Likewise.
2434 (n_deferred_plabels): Change type to size_t.
2435 (output_deferred_plabels, output_call): Use size_t instead of int.
2436
2437 2002-06-20 Richard Henderson <rth@redhat.com>
2438
2439 PR target/4041
2440 * config/m68k/m68k.md (zero_extendsidi2): Create expander; duplicate
2441 pattern and adjust constraints for coldfire.
2442
2443 2002-06-20 Richard Henderson <rth@redhat.com>
2444
2445 * explow.c (probe_stack_range): Use gen_rtx_fmt_ee.
2446
2447 2002-06-20 Chris Demetriou <cgd@broadcom.com>
2448
2449 * config.gcc (mipsisa64-*-elf*, mipsisa64el-*-elf*): New targets.
2450
2451 2002-06-20 Chris Demetriou <cgd@broadcom.com>
2452
2453 * config/mips/mips.h (ISA_HAS_FP4): Fix comment to reflect use.
2454
2455 2002-06-20 Stan Shebs <shebs@apple.com>
2456
2457 * dominance.c: Include errors.h instead of error.h.
2458
2459 2002-06-20 Neil Booth <neil@daikokuya.co.uk>
2460
2461 * cppexp.c (cpp_interpret_integer): Don't force traditional
2462 numbers to be unsigned.
2463 * cpplib.c (prepare_directive_trad): Set line number for
2464 diagnostics.
2465 * cpptrad.c (scan_out_logical_line): Continue scanning out
2466 at start of buffer.
2467 * gcc.c (trad_capable_cpp): Use cc1 always.
2468
2469 2002-06-20 Jeffrey Law <law@redhat.com>
2470
2471 * i386.h (TARGET_DEFAULT): Do not turn on frame pointer
2472 elimination in leaf functions by default yet.
2473
2474 2002-06-20 Richard Sandiford <rsandifo@redhat.com>
2475
2476 * combine.c (make_extraction): Reapply to the argument of an ASHIFT.
2477
2478 2002-06-20 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2479
2480 * config/sparc/t-crtfm (crtfastmath.o): Prefix with $(T) for
2481 multilibs.
2482 * config/sparc/t-sol2-64 (EXTRA_MULTILIB_PARTS): Add crtfastmath.o.
2483 Fixes PR other/6836.
2484
2485 Thu Jun 20 19:42:21 CEST 2002 Jan Hubicka <jh@suse.cz>
2486 Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
2487
2488 Mon Jun 10 20:42:34 CEST 2002 Jan Hubicka <jh@suse.cz>
2489
2490 * basic-block.h: Do not include et-forest.h
2491 (dominance_info): Declare as struct dominance-info.
2492 * cfglayout.c (cleanup_unconditional_jumps): Remove the edge before
2493 deleting block.
2494 * dominance.c (struct dominance_info): Define.
2495 (BB_NODE, SET_BB_NODE): New macros.
2496 (bb_hash_func, bb_eq_func): Kill.
2497 (calculate_dominace_info, free_dominacne_info, set_immediate_dominator,
2498 nearest_common_dominator, dominated_by_p, recount_dominator,
2499 add_to_dominance_info, delete_from_dominance_info): update for new
2500 representation.
2501 (get_dominated_by, redirect_immediate_dominators): Rewrite using
2502 enumerate_sons.
2503 * ifcvt.c (process_double_test_block, merge_if_block, find_cond_trap,
2504 find_if_case_1, find_if_case_2): Remove killed blocks from dominance
2505 structure.
2506
2507 * et-forest.h: Update copyright; revamp all function to operate on
2508 nodes
2509 (et_forest_value): Kill.
2510 (et_forest_enumerate_sons, et_forest_node_value): New.
2511 * et-forest.c: Update copyright.
2512 * et-forest.h: Update copyright; revamp all function to operate on
2513 nodes
2514 (et_forest_value): Kill.
2515 (et_forest_enumerate_sons, et_forest_node_value): New.
2516
2517 Thu Jun 6 22:43:43 CEST 2002 Jan Hubicka <jh@suse.cz>
2518
2519 * basic-block.h: Inlude et-forest.h
2520 (basic_block_def): Kill dominator.
2521 (dominance_info): New type.
2522 (loops): Use dominace_info.
2523 (dominace handling functions): Take dominace_info as argument
2524 instead of bitmaps.
2525 (create_preheader): Likewise.
2526 * cfg.c (entry_exit_blocks): Kill dominator.
2527 (dump_flow_info): Do not dump dominators.
2528 * cfglayout.c (cleanup_unconditonal_jumps): Delete deleted block from
2529 dominators.
2530 * cfgloop.c (flow_pre_header_find): Use dominacne_info.
2531 (flow_loops_pre_header_scan, make_forwarder_block,
2532 canonicale_loop_headers, flow_loops_find): Likewise.
2533 * dominance.c: Include error.h
2534 (idoms_to_doms): Kill.
2535 (bb_hash_func, bb_eq_func): New static functions.
2536 (debug_dominace_info): New global function.
2537 (calculate_dominance_info): Use new et forest structure.
2538 (free_dominace_info, get_immediate_dominator, set_immediate_dominator,
2539 get_dominated_by, redirect_immediate_dominators,
2540 nearest_common_dominator, dominated_by_p, verify_dominators,
2541 recount_dominator, iterate_fix_dominators, add_to_dominace_info,
2542 delete_from_dominance_info): New global functions.
2543 * gcse.c (domnators): CHange to dominance_info.
2544 (alloc_hoist_mem): Do not alloc dominators
2545 (free_code_hoist_mem): Use free_dominance_info.
2546 (compute_code_hoist_data): Use dominance_info.
2547 (hoist_code): Likewise.
2548 * ifcvt.c (post_dominators): Likewise.
2549 (find_if_case_2, if_convert): Likewise.
2550 * predict.c (process_note_predictions, process_note_prediction,
2551 estimate-probability): Likewise.
2552 * sched-rgn.c (find_rgns, init_regions): Likewise.
2553 * ssa-dce.c (find_all_control_dependences, fint_control_depemndence,
2554 find_pdom, delete_insn_bb, ssa_eliminate_dead_code): Likewise.
2555 * ssa.c (compute_dominance_frontiers_1, rename_block, rename_registers,
2556 find_evaluations, convert_to_ssa): Likewise.
2557 * ssa.h (compute_dominance_frontiers): Likewise.
2558
2559 Thu Jun 6 22:57:34 CEST 2002 Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
2560
2561 * Makefile.in (et-forest.c): Add.
2562 * et-forest.c: New file.
2563 * at-forest.h: New file.
2564
2565 2002-06-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2566
2567 * c-decl.c (c_decode_option): Use ARRAY_SIZE in lieu of explicit
2568 array size calculation.
2569 * gengtype.c (NUM_BASE_FILES, create_file, write_gc_root):
2570 Likewise.
2571
2572 * diagnostic.c (diagnostic_kind_text): Const-ify.
2573 * gengtype.c (lang_names): Likewise.
2574
2575 Thu Jun 20 17:25:29 CEST 2002 JAn HUbicka <jh@suse.cz>
2576
2577 * combine.c (subst): Be prepared for simplify_subreg to return VOIDmode.
2578
2579 2002-06-20 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2580
2581 * config/sol2.h: New file.
2582 * config.gcc (i?86-*-solaris2*): Include it before i386/sol2.h.
2583 (sparc64-wrs-vxworks*): Include it before sparc/sol2.h.
2584 (sparc-*-chorusos*): Likewise.
2585 (sparc-*-elf*): Likewise.
2586 (sparc-*-rtems*, sparc-*-rtemself*): Likewise.
2587 (sparc64-*-solaris2*, sparcv9-*-solaris2*): Likewise.
2588 (sparc-hal-solaris2*): Likewise.
2589 (sparc-*-solaris2*): Likewise.
2590 (sparclite-*-elf*): Likewise.
2591 (sparc86x-*-elf*): Likewise.
2592 (sparc64-*-elf*): Likewise.
2593
2594 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Moved to
2595 config/sol2.h.
2596 (ASM_SPEC): Override config/sol2.h version for now.
2597 Removed obsolete GAS_REJECTS_MINUS_S variant.
2598 (WINT_TYPE, WINT_TYPE_SIZE): Moved to config/sol2.h.
2599 (HANDLE_PRAGMA_REDEFINE_EXTNAME): Likewise.
2600 (TARGET_OS_CPP_BUILTINS): Likewise.
2601 Assert system=unix.
2602 (CPP_SPEC): Simplified using new CPP_SUBTARGET_SPEC.
2603 (LIB_SPEC, ENDFILE_SPEC, STARTFILE_SPEC, LINK_SPEC): Moved to
2604 config/sol2.h.
2605 (SWITCH_TAKES_ARG, STDC_0_IN_SYSTEM_HEADERS): Likewise.
2606 (ASM_CPU_SPEC): Define.
2607 (SUBTARGET_EXTRA_SPECS): Define.
2608
2609 * config/sparc/sol2-bi.h (LONG_DOUBLE_TYPE_SIZE): Removed, already
2610 in config/sparc/sol2.h.
2611 (ASM_SPEC): Moved to config/sol2.h.
2612 (CPP_CPU_SPEC): Simplified.
2613 (STARTFILE_SPEC32): Likewise, renamed to STARTFILE_ARCH32_SPEC for
2614 consistency.
2615 (STARTFILE_SPEC64): Renamed to STARTFILE_ARCH64_SPEC.
2616 (STARTFILE_ARCH_SPEC): Use new names STARTFILE_ARCH32_SPEC,
2617 STARTFILE_ARCH64_SPEC.
2618 (STARTFILE_SPEC): Moved to config/sol2.h
2619 (SUBTARGET_EXTRA_SPECS): Add startfile_arch.
2620 (LINK_ARCH32_SPEC): Moved to config/sol2.h.
2621 (LINK_ARCH64_SPEC): Simplified.
2622 (LINK_ARCH_SPEC): Redefined config/sol2.h version for 64-bit support.
2623 (LINK_SPEC): Moved to config/sol2.h
2624
2625 * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Moved to
2626 config/sol2.h.
2627 Use BITS_PER_WORD for size.
2628 (WINT_TYPE, WINT_TYPE_SIZE): Likewise.
2629 (HANDLE_PRAGMA_REDEFINE_EXTNAME): Likewise.
2630 (CPP_PREDEFINES): Removed OS-specific part handled by
2631 TARGET_OS_CPP_BUILTINS.
2632 (CPP_SUBTARGET_SPEC): Moved to config/sol2.h.
2633 (CPLUSPLUS_CPP_SPEC): Removed, handled by TARGET_OS_CPP_BUILTINS.
2634 (ASM_SPEC): Moved to config/sol2.h.
2635 (PREFERRED_DEBUGGING_TYPE): Likewise.
2636 (STARTFILE_SPEC, LIB_SPEC, LINK_SPEC): Likewise.
2637 (SWITCH_TAKES_ARG, STDC_0_IN_SYSTEM_HEADERS): Likewise.
2638 (TARGET_DEFAULT): Reordered to match config/sparc/sol2-bi.h version.
2639 (TRANSFER_FROM_TRAMPOLINE): Moved to config/sol2.h
2640
2641 * config.gcc (i?86-*-solaris2*): Removed obsolete gas support.
2642 * config/i386/sol2gas.h: Removed.
2643
2644 Thu Jun 20 12:14:01 CEST 2002 Jan Hubicka <jh@suse.cz>
2645
2646 * i386.md (xorqi_1_slp, xorqi_2_slp): New patterns.
2647
2648 2002-06-16 Aldy Hernandez <aldyh@redhat.com>
2649
2650 * gcc.c-torture/execute/simd-1.c: New.
2651
2652 * gcc.dg/simd-1.c: New.
2653
2654 * doc/extend.texi (Vector Extensions): Document that we can
2655 specify simd types not specifically supported by the hardware.
2656 Document that simd types can be used as function arguments.
2657 Document that signness does make a difference in SIMD types.
2658 Misc cleanups and revisions to the vector extensions section.
2659
2660 * simplify-rtx.c (simplify_subreg): Simplify subregs of vector
2661 constants.
2662
2663 * expr.c (vector_mode_valid_p): New.
2664
2665 * expr.h: Add vector_mode_valid_p.
2666
2667 * defaults.h (VECTOR_MODE_SUPPORTED_P): Set default.
2668
2669 * c-common.c (type_for_mode): Always build vector nodes regardless
2670 of VECTOR_MODE_SUPPORTED_P.
2671 (handle_mode_attribute): Error if we can't emulate a nonexisting
2672 vector mode.
2673 (handle_vector_size_attribute): Same.
2674
2675 * optabs.c (expand_binop): Open-code vector operations.
2676 (expand_unop): Open-code vector unops.
2677 (expand_vector_binop): New.
2678 (expand_vector_unop): New.
2679
2680 * c-typeck.c (build_binary_op): Allow vectors in binops.
2681 Allow vectors in conditional operatiors.
2682 (build_unary_op): Allow vectors in unary minus.
2683
2684 * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Conditionalize on
2685 TARGET_ALTIVEC.
2686
2687 2002-05-20 Richard Henderson <rth@redhat.com>
2688
2689 * c-common.c (c_common_get_alias_set): Correctly handle characters.
2690 Rearrange order of expressions; don't handle vectors here.
2691 * alias.c (get_alias_set): Let vectors match their components.
2692
2693 2002-06-19 Chris Demetriou <cgd@broadcom.com>
2694
2695 * config/mips/mips.c (mips_emit_prefetch): Use hints which
2696 match desired locality.
2697
2698 2002-06-19 Dhananjay R. Deshpande <dhananjayd@kpit.com>
2699
2700 * config/h8300/h8300.c (TARGET_INSERT_ATTRIBUTES): Define.
2701 (h8300_insert_attributes): New.
2702
2703 2002-06-19 Akim Demaille <akim@epita.fr>
2704
2705 * c-parse.in (initelt: identifier ':' initval): Add an empty
2706 action to fix a type clash.
2707 (aliasdecl, classdef): Add the missing closing `;'.
2708 Whitespace changes.
2709 * gengtype-yacc.y (typedef_struct): Add an empty action to preevnt
2710 $$ = $1 type clashes.
2711
2712 2002-06-19 Eric Christopher <echristo@redhat.com>
2713
2714 * config/mips/mips.c (symbol_operand): New function.
2715 (mips_emit_prefetch): Ditto.
2716 * config/mips/mips-protos.h: Define.
2717 * config/mips/mips.h (ISA_HAS_PREFETCH): Define.
2718 (CONSTANT_ADDRESS_P): Adjust, use TARGET_GAS.
2719 (LEGITIMIZE_ADDRESS): Ditto.
2720 * config/mips/mips.md (prefetch, prefetch_si_address,
2721 prefetch_si, prefetch_di_address, prefetch_di): New patterns.
2722
2723 2002-06-19 Eric Christopher <echristo@redhat.com>
2724
2725 * config/fp-bit.h: Add unordered defines for gofast.
2726
2727 2002-06-19 Vladimir Makarov <vmakarov@redhat.com>
2728
2729 * genautomata.c (DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON,
2730 DECL_EXCL, DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV,
2731 DECL_INSN_RESERV, REGEXP_UNIT, REGEXP_RESERV, REGEXP_SEQUENCE,
2732 REGEXP_REPEAT, REGEXP_ALLOF, REGEXP_ONEOF): New macros with
2733 checking and without it.
2734 (decl_name, decl_mode_check_failed, regexp_name,
2735 regexp_mode_check_failed): New functions.
2736 (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
2737 gen_presence_set, gen_absence_set, gen_automaton,
2738 gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
2739 gen_regexp_sequence, gen_reserv, gen_insn_reserv,
2740 automaton_decl_hash, automaton_decl_eq_p): Use the macros.
2741 (find_automaton_decl): Ditto. Set up mode of work_automaton_decl.
2742 (insn_decl_hash, insn_decl_hash, insn_decl_eq_p): Use the macros.
2743 (find_insn_decl): Ditto. Set up mode of work_insn_decl.
2744 (decl_hash, decl_eq_p): Use the macros.
2745 (find_decl): Ditto. Set up mode of work_decl.
2746 (process_excls, process_presence_absence, process_decls,
2747 check_automaton_usage, process_regexp, process_regexp_decls,
2748 check_usage, loop_in_regexp, check_loops_in_regexps,
2749 process_regexp_cycles, add_advance_cycle_insn_decl,
2750 initiate_states, initiate_excl_sets,
2751 initiate_presence_absence_sets, copy_insn_regexp, transform_1,
2752 transform_2): Use the macros.
2753 (transform_3): Ditto. Check mode before making transformations of
2754 ALLOF.
2755 (regexp_transform_func, transform_insn_regexps,
2756 process_unit_to_form_the_same_automaton_unit_lists,
2757 form_the_same_automaton_unit_lists_from_regexp,
2758 form_the_same_automaton_unit_lists,
2759 process_seq_for_forming_states, process_alts_for_forming_states,
2760 create_alt_states, form_ainsn_with_same_reservs, make_automaton,
2761 form_arcs_marked_by_insn, NDFA_to_DFA, set_new_cycle_flags,
2762 estimate_one_automaton_bound, compare_max_occ_cycle_nums,
2763 units_to_automata_heuristic_distr, create_ainsns,
2764 units_to_automata_distr, create_automata): Use the macros.
2765 (form_regexp): Ditto. Fix typo in access to fields of ALLOF.
2766 (longest_path_length, min_issue_delay_pass_states,
2767 output_dead_lock_vect, output_tables, output_insn_code_cases,
2768 output_internal_insn_latency_func, output_print_reservation_func,
2769 output_description, output_automaton_units, generate): Use the
2770 macros.
2771 (make_insn_alts_attr): Ditto. Check case when there are not
2772 alternatives in the reservation.
2773 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr,
2774 make_bypass_attr, form_important_insn_automata_lists,
2775 expand_automata): Use the macros.
2776
2777 2002-06-20 Tim Josling <tej@melbpc.org.au>
2778
2779 * Makefile.in: Clean up code to check for misspecified languages
2780 in enable-languages.
2781
2782 2002-06-19 Andrew Pinski <pinskia@physics.uc.edu>
2783
2784 * cpptrad.c (_cpp_replacement_text_len): initialize len.
2785
2786 2002-06-19 Jason Merrill <jason@redhat.com>
2787
2788 * Makefile.in (unstrap, restrap): New targets.
2789 (bootstrap): Mention restrap.
2790
2791 2002-06-19 Matt Kraai <kraai@alumni.cmu.edu>
2792
2793 * except.c (ehl_free): Remove.
2794
2795 * doc/tm.texi (TARGET_CPU_CPP_BUILTINS): Correct misnamings of
2796 builtin_define and builtin_define_std.
2797
2798 2002-06-19 Ian Dall <ian@sibyl.beware.dropbear.id.au>
2799
2800 * config/ns32k/ns32k.md: Give "*xxx" names to all unnamed insn's.
2801 (sCOND): Restrict operand class so that gcc knows how to reload them.
2802 (bitfield_set): Merge two unnamed insn's using alternatives.
2803 (call_value): Remove constraint on unused uperand.
2804 (udivmodhi4, udivmodsi4, udivmoddihi4_internal): Remove.
2805 (udivmoddiqi4_internal, udivmoddihi4, udivmoddiqi4): Remove.
2806
2807 * longlong.h (count_trailing_zeros): Escape newline and beautify.
2808
2809 2002-06-19 Mark Mitchell <mark@codesourcery.com>
2810
2811 * Makefile.in (QMTEST_DIR): Simplify definition.
2812
2813 2002-06-19 Nick Clifton <nickc@cambridge.redhat.com>
2814
2815 * config/d30v/d30v.h (CUMULATIVE_ARGS): Replace typedef with
2816 #define.
2817
2818 2002-06-19 Neil Booth <neil@daikokuya.co.uk>
2819
2820 * cpphash.h (struct cpp_reader): Make date and time strings.
2821 (_cpp_builtin_macro_text, _cpp_copy_replacement_text,
2822 _cpp_replacement_text_len): New.
2823 * cppinit.c (cpp_create_reader): Update.
2824 (init_builtins): Register appropriate builtins for -traditional-cpp.
2825 * cppmacro.c (new_number_token): Remove.
2826 (_cpp_builtin_macro_text): New.
2827 (builtin_macro): Use it.
2828 (cpp_macro_definition): Update to handle traditional macros.
2829 * cppmain.c (cb_line_change): Don't do column positioning for
2830 traditional output.
2831 * cpptrad.c (enum ls): Rename ls_fun_macro to ls_fun_open. New
2832 state ls_fun_close.
2833 (skip_whitespace): Fix.
2834 (maybe_start_funlike): Don't set state.parsing_args.
2835 (scan_out_logical_line): Remove duplicate error. Use lex_state
2836 rather than state.parsing_args.
2837 (push_replacement_text): Handle builtins.
2838 (_cpp_replacement_text_len, _cpp_copy_replacement_text): New.
2839
2840 2002-06-18 Hans-Peter Nilsson <hp@axis.com>
2841 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2842
2843 * config/fp-bit.c (_fpmul_parts, _fpdiv_parts): Mark with
2844 attribute __always_inline__.
2845
2846 2002-06-18 Bob Wilson <bob.wilson@acm.org>
2847
2848 * config/xtensa/xtensa.h (FUNCTION_PROFILER): Respect flag_pic
2849 when generating the call to _mcount.
2850 (NO_PROFILE_COUNTERS): Define.
2851
2852 2002-06-18 Richard Henderson <rth@redhat.com>
2853
2854 * print-rtl.c (print_rtx): Adjust NOTE argument numbers for
2855 2002-06-02 change.
2856
2857 Tue Jun 18 20:53:32 2002 J"orn Rennecke <joern.rennecke@superh.com>
2858
2859 * t-sh (MULTILIB_EXCEPTIONS): Set to ml.
2860 config/sh/t-linux (MULTILIB_EXCEPTIONS): Clear.
2861 * config/sh/t-netbsd (MULTILIB_EXCEPTIONS): Likewise.
2862 * config/sh/t-sh64 (MULTILIB_EXCEPTIONS): Likewise.
2863
2864 * sh-protos.h (sh_pr_interrupt): Declare.
2865 * sh.c (sh_pr_interrupt): New function.
2866 (print_operand, calc_live_regs, sh_expand_prologue): Use it.
2867 (sh_hard_regno_rename_ok): Likewise.
2868 * sh.h (NORMAL_MODE): FP_MODE_NONE for interupt handlers.
2869
2870 2002-06-18 Vladimir Makarov <vmakarov@redhat.com>
2871
2872 * rtl.def (DEFINE_AUTOMATON): Add description of new options
2873 `time' and `v'. Fix incorrect description of option `w'.
2874
2875 * doc/md.texi: Ditto.
2876
2877 * genautomata.c (TIME_OPTION, V_OPTION): New macros.
2878 (gen_automata_option): Process the new options.
2879 (transform_2, transform_3): Initialize some variables.
2880 (initiate_automaton_gen): Use the new macros.
2881
2882 2002-06-18 Richard Sandiford <rsandifo@redhat.com>
2883
2884 * config/mips/mips-protos.h (mips_initial_elimination_offset): Declare.
2885 (mips_set_return_address, mips_restore_gp): Declare.
2886 * config/mips/mips.h (struct mips_frame_info): Move to mips.c
2887 (current_frame_info): Remove.
2888 (INITIAL_ELIMINATION_OFFSET): Use mips_initial_elimination_offset.
2889 * config/mips/mips.c: Remove uses of current_frame_info.
2890 (struct mips_frame_info): Moved from mips.h. Remove 'insns_len'.
2891 (struct machine_function): Add 'frame' and 'insns_len'.
2892 (current_frame_info, zero_frame_info): Remove.
2893 (mips_restore_gp, mips_set_return_address): New.
2894 (mips_initial_elimination_offset): New.
2895 * config/mips/mips.md (exception_receiver): Use mips_restore_gp.
2896 (eh_return define_split): Use mips_set_return_address.
2897
2898 2002-06-18 Neil Booth <neil@daikokuya.demon.co.uk>
2899
2900 * cpplib.c (dtable): Update.
2901 (end_directive): Decrement expansion prevention count.
2902 Clear state.in_expression.
2903 (prepare_directive_trad): Set state.in_expression.
2904 Increment expansion prevention count.
2905 * cpptrad.c (enum ls): New.
2906 (_cpp_overlay_buffer): Set overlaid_buffer.
2907 (_cpp_remove_overlay): Use overlaid_buffer.
2908 (_cpp_read_logcial_line_trad): Update buffer when it might
2909 have changed.
2910 (scan_out_logical_line): Handle state transitions for assertions
2911 and defined() in #if, and for funlike invocations including the
2912 directive case. Handle '<' and '>' as a quote mechanism in
2913 #include. Warn about unterminated macro invocations.
2914 * cpphash.h (struct lexer_state): New member in_expression.
2915 (struct cpp_reader): New member overlaid buffer.
2916
2917 2002-06-18 Hans-Peter Nilsson <hp@axis.com>
2918
2919 * config/cris/arit.c (do_31div, __Udiv, __Umod): Mark prototype
2920 __always_inline__.
2921
2922 2002-06-18 Alan Modra <amodra@bigpond.net.au>
2923
2924 * config/ia64/ia64.md (doloop_end_internal): Correct rtl.
2925
2926 * doloop.c (doloop_optimize): Extract pattern from insn.
2927
2928 2002-06-17 Matt Kraai <kraai@alumni.cmu.edu>
2929
2930 * doc/extend.texi (Function Attributes): Remove `,...' from @var.
2931
2932 2002-06-17 Jeff Law <law@redhat.com>
2933
2934 * libgcc2.c: Do not include symcat.h or machmode.h.
2935
2936 2002-06-17 Richard Henderson <rth@redhat.com>
2937
2938 PR target/6922
2939 * expmed.c (make_tree): Handle SIGN_EXTEND/ZERO_EXTEND.
2940
2941 2002-06-17 Tom Tromey <tromey@redhat.com>
2942
2943 * dwarfout.c: Include function.h.
2944
2945 2002-06-17 Andreas Schwab <schwab@suse.de>
2946
2947 * print-rtl.c (print_rtx): Print space before vector, not after.
2948 (debug_rtx): Clear sawclose before printing.
2949 (debug_rtx_list): Print newline after each list element.
2950 (debug_rtx_range): Likewise.
2951
2952 2002-06-17 Richard Henderson <rth@redhat.com>
2953
2954 * function.h (struct function) [funcdef_no]: Rename profile_label_no.
2955 (current_function_funcdef_no): Similarly.
2956 * function.c (funcdef_no): Similarly.
2957 (prepare_function_start): Set current_function_funcdef_no.
2958 (expand_function_start): Don't set current_function_profile_label_no.
2959 * dwarf2out.h (current_funcdef_number): Remove.
2960 * dwarf2out.c (current_funcdef_number): Remove. Replace with
2961 current_function_funcdef_no throughout.
2962 * dwarfout.c, vmsdbgout.c: Similarly.
2963 * except.c (sjlj_funcdef_number): Remove.
2964 (sjlj_emit_function_enter): Use current_function_funcdef_no instead.
2965 (output_function_exception_table): Likewise.
2966 * final.c (profile_function): Use current_function_funcdef_no
2967 instead of current_function_profile_label_no.
2968
2969 2002-06-17 Vladimir Makarov <vmakarov@redhat.com>
2970
2971 * sched-ebb.c (init_ready_list): Check INSN_P first.
2972
2973 Mon Jun 17 17:26:15 2002 J"orn Rennecke <joern.rennecke@superh.com>
2974
2975 * sh.md (divsi3): Update way how to find insns in a sequence.
2976
2977 * reload1.c (merge_assigned_reloads): Don't change reloads
2978 other than RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
2979 to RELOAD_OTHER when there are conflicting input reloads.
2980
2981 2002-06-17 Richard Earnshaw (rearnsha@arm.com)
2982
2983 * function.c (epilogue_done): Correctly build a sequence of insns for
2984 a sibcall epilogue.
2985
2986 2002-06-17 Nick Clifton <nickc@cambridge.redhat.com>
2987
2988 * config/fr30/fr30.h (CUMULATIVE_ARGS): Replace typedef with
2989 #define.
2990
2991 * config/m32r/m32r.md: Replace gen_sequence with get_insns.
2992
2993 2002-06-16 Richard Henderson <rth@redhat.com>
2994
2995 * config/i386/i386.h (BIGGEST_FIELD_ALIGNMENT): Define instead
2996 of ADJUST_FIELD_ALIGN if IN_TARGET_LIBS.
2997
2998 2002-06-16 Richard Henderson <rth@redhat.com>
2999
3000 PR opt/6722
3001 * regclass.c (globalize_reg): Update regs_invalidated_by_call.
3002
3003 2002-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
3004
3005 * config.gcc: Add i386/sysv4-cpp.h; remove i386-aout.h from vxworks.
3006 * config/i386/i386-aout.h, config/i386/i386elf.h,
3007 config/i386/sysv4.h: Remove CPP_PREDEFINES.
3008 * config/i386/linux64.h, config/i386/i386elf.h, config/i386/mach.h,
3009 config/i386/netware.h, config/i386/rtemself.h, config/i386/sco5.h,
3010 config/i386/sol2.h, config/i386/vsta.h, config/i386/vxi386.h,
3011 config/i386/win32.h: Use TARGET_OS_CPP_BUILTINS rather than
3012 CPP_PREDEFINES and part of CPP_SPEC.
3013 * config/i386/sysv4-cpp.h: New.
3014
3015 2002-06-16 Richard Henderson <rth@redhat.com>
3016
3017 PR c/7030
3018 * dwarf2out.c (modified_type_die): Don't assign the qualified die
3019 to the unqualified type.
3020
3021 Sun Jun 16 22:16:10 CEST 2002 Jan Hubicka <jh@suse.cz>
3022
3023 * i386-protos.h (x86_field_alignment): Declare.
3024 * i386.c (x86_field_alignment): Define.
3025 * i386.h (ADJUST_FIELD_ALIGNMENT): New.
3026 (BIGGEST_FIELD_ALIGNMENT): Kill.
3027
3028 2002-06-16 Richard Henderson <rth@redhat.com>
3029
3030 * vax.md (casesi): Use emit_jump_insn. Tidy expander pattern.
3031
3032 2002-06-16 Richard Henderson <rth@redhat.com>
3033
3034 * c-common.c (flag_ms_extensions): Move from c++ front end.
3035 * c-common.h (flag_ms_extensions): Declare.
3036 * c-decl.c (c_decode_option): Add -fms-extensions.
3037 (grokfield): Don't accept anonymous structures in ISO C mode;
3038 accept only unnamed anonymous structures in GNU C mode; accept
3039 Plan 9 extensions in MS mode.
3040 * c-parse.in (SAVE_EXT_FLAGS, RESTORE_EXT_FLAGS): Rename from
3041 SAVE/RESTORE_WARN_FLAGS; add flag_iso frobbing; update all callers.
3042 (extension): Clear flag_iso.
3043 * doc/invoke.texi (C Dialect Options): Add -fms-extensions.
3044
3045 2002-06-16 Hans-Peter Nilsson <hp@axis.com>
3046
3047 PR target/7042
3048 * reorg.c (make_return_insns) [DELAY_SLOTS_FOR_EPILOGUE]: Exit
3049 early if current_function_epilogue_delay_list is non-empty.
3050 * config/cris/cris.md ("return"): Add sanity check asserting that
3051 current_function_epilogue_delay_list is empty.
3052
3053 2002-06-16 Jeff Law <law@redhat.com>
3054
3055 * emit-rtl.c (gen_rtx_REG): Temporarily turn off automatic
3056 sharing of hard registers.
3057
3058 * toplev.c (rest_of_compilation): Remove redundant conditional.
3059
3060 * toplev.c (rest_of_compilation): Perform a simpler, less costly
3061 cleanup of the CFG when not optimizing.
3062
3063 2002-06-16 Alan Modra <amodra@bigpond.net.au>
3064
3065 * gcc.c (main): Correct startfile_prefix_spec check.
3066
3067 2002-06-12 Geoffrey Keating <geoffk@redhat.com>
3068
3069 * config.gcc: Revert rth's patch of 2002-05-18. Instead,
3070 include both darwin.o and rs6000-c.o.
3071
3072 2002-06-15 Roger Sayle <roger@eyesopen.com>
3073
3074 * expr.c (compare_from_rtx): Call simplify_relational_operation
3075 on all comparisons, not just those between integer constants,
3076 with the correct (possibly unsigned) comparison code.
3077 (do_compare_rtx_and_jump): Likewise.
3078
3079 2002-06-15 John David Anglin <dave@hiauly1.hia.nrc.ca>
3080
3081 * Makefile.in (tm_defines): New configuration variable.
3082 (cs-config.h, cs-hconfig.h, cs-tconfig.h): Rename DEFINES to XM_DEFINES.
3083 Pass tm_defines in TM_DEFINES.
3084 (cs-tm_p.h): Rename DEFINES to XM_DEFINES. Pass TM_DEFINES.
3085 * config.gcc (tm_defines): New configuration variable.
3086 (hppa*-*-* | parisc*-*-*): Use tm_defines instead of pa-700.h and
3087 pa-7100.h headers. Change hppa1* scheduling default to 7100LC.
3088 * configure.in: Substitute tm_defines.
3089 * configure: Rebuilt.
3090 * mkconfig.sh: Rename DEFINES to XM_DEFINES. Output TM_DEFINES.
3091 * doc/install.texi: Update.
3092 * pa/pa-700.h: Delete file.
3093 * pa/pa-7100.h: Delete file.
3094
3095 2002-06-15 Roger Sayle <roger@eyesopen.com>
3096
3097 * fold-const.c (comparison_to_compcode): New function to convert
3098 an comparison TREE CODE into a bit-based representation.
3099 (compcode_to_comparison): New function to convert from this bit
3100 based representation back to a comparison TREE CODE.
3101 (fold_truthop): Simplify (x<y) && (x==y) and related composite
3102 comparisons.
3103
3104 2002-06-15 Aldy Hernandez <aldyh@redhat.com>
3105
3106 * tm.texi (MEMBER_TYPE_FORCES_BLK): Document MODE argument.
3107
3108 * stor-layout.c (compute_record_mode): Remove check for
3109 FUNCTION_ARG_REG_LITTLE_ENDIAN and VOIDmode when checking for
3110 MEMBER_TYPE_FORCES_BLK. Pass new mode field to
3111 MEMBER_TYPE_FORCES_BLK.
3112
3113 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Same.
3114
3115 * config/c4x/c4x.h (MEMBER_TYPE_FORCES_BLK): Same.
3116
3117 2002-06-14 Jeff Sturm <jsturm@one-point.com>
3118
3119 * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS): Add SPARC_STACK_BIAS.
3120
3121 2002-06-14 Steve Ellcey <sje@cup.hp.com>
3122
3123 * configure.in (USE_UNWIND_EXCEPTIONS): Add support to set
3124 USE_UNWIND_EXCEPTIONS if --enable-libunwind-exceptions is set.
3125 * configure, config.in: Regenerate.
3126
3127 2002-06-14 Eric Botcazou <ebotcazou@multimania.com>
3128
3129 * loop.c (check_final_value): Use v->always_executed
3130 instead of v->always_computable.
3131 * unroll.c (final_giv_value): Don't calculate the final
3132 value as a function of the biv if the giv is not computed
3133 for every loop iteration.
3134
3135 2002-06-14 Eric Botcazou <ebotcazou@multimania.com>
3136
3137 * loop.c (for_each_insn_in_loop): Fix formatting and comments.
3138
3139 2002-06-14 Eric Botcazou <ebotcazou@multimania.com>
3140
3141 PR c/6677
3142 * convert.c (convert_to_integer) [LSHIFT_EXPR]: Don't pass
3143 the truncation down when the target type is signed.
3144 [trunc1]: Use unsigned arithmetic for LSHIFT_EXPR.
3145 * fold-const.c (extract_muldiv) [NOP_EXPR]: Don't pass through
3146 the conversion if the target type is a smaller type.
3147
3148 2002-06-14 Richard Henderson <rth@redhat.com>
3149
3150 * fold-const.c (fold) [compare ops]: Move X>=C / X<C transfomation
3151 earlier. Re-factor comparisons vs extrema.
3152
3153 2002-06-14 Richard Henderson <rth@redhat.com>
3154
3155 * config/alpha/alpha.md (builtin_zapnot): Fix op2 mode.
3156
3157 2002-06-14 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3158
3159 * rtl.h (SCHED_GROUP_P): Disallow CODE_LABEL, BARRIER and NOTE.
3160 * sched-deps.c (add_dependence): Likewise.
3161 (group_leader): Likewise.
3162 * sched-rgn.c (init_ready_list): Likewise.
3163 * doc/rtl.texi: Adjust accordingly.
3164
3165 2002-06-13 Jeffrey Law <law@redhat.com>
3166
3167 * gcse.c (delete_null_pointer_checks_1): Inform caller if any
3168 null pointer checks were eliminated. Update prototype.
3169 (delete_null_pointer_checks): Similarly.
3170 * rtl.h (delete_null_pointer_checks): Update prototype.
3171 * toplev.c (rest_of_compilation): Only run cleanup_cfg if
3172 delete_null_pointer_checks deletes one or more null
3173 pointer checks. Do not run cleanup_cfg before gcse, the
3174 CFG is accurate and optimized at that point..
3175
3176 * rs6000.c (rs6000_frame_related): Avoid unwanted sharing
3177 of hard registers.
3178
3179 2002-06-14 Ulrich Weigand <uweigand@de.ibm.com>
3180
3181 * Makefile.in (libgcc.mk): Depend on specs.
3182
3183 Fri Jun 14 12:15:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
3184
3185 * sh.md (mulsi3): Update way how to find insns in a sequence.
3186
3187 Fri Jun 14 12:04:02 2002 Dhananjay R. Deshpande <dhananjayd@kpit.com>
3188
3189 * sh.h: Define HARD_REGNO_RENAME_OK
3190 * sh.c: sh_hard_regno_rename_ok: New. If current function has
3191 interrupt_handler attribute, only registers saved on stack are OK.
3192 * sh-protos.h: Declare sh_hard_regno_rename_ok.
3193
3194 2002-06-14 Kaz Kojima <kkojima@gcc.gnu.org>
3195
3196 * config/sh/sh.md (jump): Emit jump insn.
3197 (call_pcrel): Get pattern of the result of gen_call_site.
3198 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3199
3200 2002-06-14 Neil Booth <neil@daikokuya.demon.co.uk>
3201
3202 * cpphash.h (struct cpp_buffer): Remove saved_line_base.
3203 * cpptrad.c: Update comments.
3204 (skip_whitespace, copy_comment): Take a new parameter.
3205 (skip_escaped_newlines): Don't duplicate escaped newline test.
3206 (copy_comment): Different location for CUR, decide here how
3207 to copy / replace the comment.
3208 (skip_whitespace): Copy whitespace.
3209 (_cpp_overlay_buffer, _cpp_remove_overlay): Don't play with line_base.
3210 (scan_out_logical_line): Let copy comment handle keeping or
3211 replacing comments.
3212 (scan_parameters, _cpp_create_trad_definition): Update.
3213
3214 2002-06-13 Alan Lehotsky <apl@alum.mit.edu>
3215
3216 * reload.c (get_secondary_mem,find_reloads_address,
3217 find_reloads_address_1): Pass reference to MEM to find_reloads_address
3218 so that LEGITIMIZE_RELOAD_ADDRESS will be called.
3219
3220 2002-06-13 Jessica Han <jessica@cup.hp.com>
3221
3222 * defaults.h (TARGET_VTABLE_ENTRY_ALIGN): New.
3223 (TARGET_VTABLE_DATA_ENTRY_DISTANCE): New.
3224 * doc/tm.texi: Document them.
3225 * config/ia64/ia64.h (TARGET_VTABLE_ENTRY_ALIGN): New.
3226 (TARGET_VTABLE_DATA_ENTRY_DISTANCE): New.
3227 (TARGET_VTABLE_USES_DESCRIPTORS): 4 word descriptors for 32-bit mode.
3228 (ASM_OUTPUT_FDESC): Likewise.
3229
3230 2002-06-13 Eric Christopher <echristo@redhat.com>
3231
3232 * diagnostic.c (output_format): Fix thinko.
3233
3234 Thu Jun 13 22:34:33 2002 J"orn Rennecke <joern.rennecke@superh.com>
3235
3236 * config/sh/coff.h (HAS_INIT_SECTION, INVOKE__MAIN): Don't define.
3237 (DWARF2_UNWIND_INFO): Define to 0.
3238
3239 * config/sh/sh.c (calc_live_regs): Don't use initial_value
3240 optimization for PR_MEDIA_REG.
3241
3242 2002-06-13 Neil Booth <neil@daikokuya.demon.co.uk>
3243
3244 * cpphash.h (_cpp_lex_identifier_trad): Remove.
3245 * cpplib.c (end_directive): Don't skip, always remove overlay
3246 apart from #define.
3247 (prepare_directive_trad): Handle NULL pfile->directive.
3248 (_cpp_handle_directive): Always call prepare_directive_trad
3249 if traditional.
3250 * cppmain.c (check_multiline_token): Rename account_for_newlines,
3251 generalize inputs.
3252 (scan_translation_unit_trad): Use it.
3253 * cpptrad.c (skip_comment): Rename copy_comment, copy comment to
3254 output, get escaped newline in comment close correct.
3255 (check_output_buffer, skip_whitespace): Update.
3256 (_cpp_lex_identifier_trad): Remove.
3257 (scan_out_logical_line): Handle -C and comments in directives
3258 properly.
3259
3260 Thu Jun 13 20:18:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
3261
3262 * config.gcc: Add support for sh[234]*-*-elf*, sh[2346lbe]*-*-linux*.
3263 * config/sh/linux.h (TARGET_DEFAULT): Use TARGET_CPU_DEFAULT.
3264 * sh.h (SELECT_SH1, SELECT_SH2, SELECT_SH3, SELECT_SH3E): New macros.
3265 (SELECT_SH4_NOFPU, SELECT_SH4_SINGLE_ONLY, SELECT_SH4): Likewise.
3266 (SELECT_SH4_SINGLE, SELECT_SH5_64, SELECT_SH5_64_NOFPU): Likewise.
3267 (SELECT_SH5_32, SELECT_SH5_32_NOFPU, SELECT_SH5_COMPACT): Likewise.
3268 (SELECT_SH5_COMPACT_NOFPU): Likewise.
3269 (TARGET_SWITCHES): Use them.
3270 (TARGET_CPU_DEFAULT): Define if not already defined.
3271 (TARGET_DEFAULT): Use it.
3272 (LINK_DEFAULT_CPU_EMUL): Value now depends on TARGET_CPU_DEFAULT.
3273 * config/sh/t-linux (MULTILIB_OPTIONS): Use MULTILIB_ENDIAN.
3274 * config/sh/t-monolib: New file.
3275
3276 2002-06-13 Roger Sayle <roger@eyesopen.com>
3277
3278 * toplev.c (rest_of_compilation): Simplify (and correct) the
3279 logic of the first delete-null-pointer-checks pass.
3280
3281 Thu Jun 13 18:24:17 CEST 2002 Jan Hubicka <jh@suse.cz>
3282
3283 * i386.c (ix86_expand_movstr): Fix pasto.
3284
3285 Thu Jun 13 18:18:17 CEST 2002 Jan Hubicka <jh@suse.cz>
3286
3287 * reload.c (find_valid_class): Fix thinko in my previous patch.
3288
3289 2002-06-13 Ulrich Weigand <uweigand@de.ibm.com>
3290
3291 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): New macro.
3292 * config/s390/linux.h (TARGET_OS_CPP_BUILTINS): New macro.
3293 (CPP_PREDEFINES, CPP_SPEC, CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): Remove.
3294 (EXTRA_SPECS): Remove cpp_arch31 and cpp_arch64.
3295
3296 2002-06-13 Gabriel Dos Reis <gdr@codesourcery.com>
3297
3298 * tree-inline.c (expand_call_inline): Don' mess with _DECL
3299 fields.
3300
3301 2002-06-13 Gabriel Dos Reis <gdr@codesourcery.com>
3302
3303 * diagnostic.c (output_format): Recognize "%H" as a format
3304 specifier for a location_t.
3305 (text_specifies_location): New function.
3306 (diagnostic_set_info): Use it.
3307
3308 2002-06-13 Jeffrey Law <law@redhat.com>
3309
3310 * emit-rtl.c (static_regno_reg_rtx): Define.
3311 (init_emit_once): Initialize static_regno_reg_rtx.
3312 (init_emit): Copy static_regno_reg_rtx into regno_reg_rtx instead
3313 of building new hard reg objects once per function.
3314 (gen_rtx_REG): Try to share hard regs.
3315 * regclass.c (init_fake_stack_mems): New function broken out from
3316 init_regs.
3317 * rtl.h (init_fake_stack_mems): Declare.
3318 * toplev.c (lang_independent_init): Call init_regs before
3319 init_emit_once. Call init_fake_stack_mems after init_emit_once.
3320
3321 * i386.md (extenddfxf2, extenddftf2): Fix typo/thinko.
3322
3323 * alias.c (argument_registers): Remove.
3324 (init_alias_once): Initialize static_reg_base_value here. Remove
3325 initialization of argument_registers.
3326 (init_alias_once_per_function): Remove.
3327 (init_alias_analysis): Copy all the entries from static_reg_base_value
3328 into new_reg_base_value all at once.
3329 * rtl.h (init_alias_once_per_function): Remove declaration.
3330 * function.c (prepare_function_start): Do not call
3331 init_alias_once_per_function.
3332
3333 * caller-save.c (init_caller_save): Use gen_rtx_INSN instead of
3334 starting a sequence and emitting an INSN.
3335
3336 2002-06-13 Richard Sandiford <rsandifo@redhat.com>
3337
3338 * config/mips/r3900.h (MIPS_CPU_STRING_DEFAULT): Make lower case.
3339
3340 2002-06-13 David S. Miller <davem@redhat.com>
3341
3342 * expmed.c (init_expmed): Remove duplicate init of 'reg'.
3343
3344 2002-06-13 Neil Booth <neil@daikokuya.demon.co.uk>
3345
3346 * cpplib.c (end_directive): Handle line skipping. Only remove
3347 the rest of the line if the directive was valid.
3348 * cppmacro.c (_cpp_push_text_context): Set NODE_DISABLED when
3349 expanding a traditional macro.
3350 * cpptrad.c (recursive_macro): New.
3351 (read_logical_line_trad): Handle skipping.
3352 (scan_out_logical_line): Continue after a successful directive.
3353 Don't expand macros whilst skipping, or if recursing.
3354 (_cpp_create_trad_definition): scan_out_logical_line now sets
3355 the output current position.
3356
3357 2002-06-12 Eric Christopher <echristo@redhat.com>
3358
3359 From Chris Demetriou <cgd@broadcom.com>
3360 * config/mips/mips.h (ISA_HAS_FP4): Add ISA_MIPS64 and fix
3361 comment.
3362 (ISA_HAS_MADD_MSUB): Ditto.
3363 (ISA_HAS_NMADD_NMSUB): Ditto.
3364
3365 2002-06-12 Eric Christopher <echristo@redhat.com>
3366
3367 * config.gcc: Consolidate little endian handling and
3368 little/big endian targets.
3369 * config/mips/elfl.h: Remove file.
3370 * config/mips/elfl64.h: Ditto.
3371 * config/mips/ecoffl.h: Ditto.
3372 * config/mips/r3900.h (SUBTARGET_CPP_SPEC): Remove.
3373
3374 2002-06-12 Geoffrey Keating <geoffk@redhat.com>
3375
3376 * gengtype.h (xvasprintf): New prototype.
3377 (xasprintf): New prototype.
3378 (struct outf): New.
3379 (get_output_file): Return an outf_p.
3380 (header_file): Is now an outf_p.
3381 (base_files): Now are outf_p.
3382 (oprintf): New.
3383 * gengtype.c: Replace all output FILE * with outf_p; use oprintf
3384 rather than stdio operations. Use xasprintf in a few places,
3385 when appropriate.
3386 (xvasprintf): New.
3387 (xasprintf): New.
3388 (struct filemap): Delete.
3389 (files): Delete.
3390 (output_files): New.
3391 (oprintf): New.
3392 (create_file): Create an outf_p. Add parameter to indicate output
3393 file name, change all callers.
3394 (open_base_files): Create gtype-desc.c here.
3395 (get_output_file_with_visibility): Rewrite.
3396 (get_output_file_name): Just look at 'name' field in struct outf.
3397 (close_output_files): Rewrite.
3398
3399 2002-06-12 Jason Thorpe <thorpej@wasabisystems.com>
3400
3401 * config/vax/vax.h (MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
3402 (MASK_G_FLOAT): Define.
3403 (TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT): Use them.
3404 (TARGET_SWITCHES): Likewise.
3405 (TARGET_DEFAULT): Likewise.
3406
3407 2002-06-12 Daniel Jacobowitz <drow@mvista.com>
3408
3409 * config/mips/elf.h (DWARF2_DEBUG_INFO): Define.
3410 * config/mips/mips.c (mips_output_filename): Don't print a
3411 ".file" directive if we are using DWARF-2.
3412 (mips_output_function_prologue): Do not emit source file
3413 name for TARGET_GAS.
3414
3415 Wed Jun 12 16:45:13 CEST 2002 Jan Hubicka <jh@suse.cz>
3416
3417 * i386.md (shift patterns): Use (TARGET_SHIFT1 || optimize_size) to
3418 decide whether emit the short opcode.
3419 * i386.h (x86_shift1): Declare.
3420 (TARGET_SHIFT1): New macro.
3421 * i386.c (x86_shift1): New global variable.
3422
3423 * toplev.c (rest_of_compilation): Call find_basic_block pre-loop
3424 unconditionally; make loop to rebuild CFG; kill unnecesary
3425 find_basic_block calls; kill compute_bb_for_insn call.
3426 * cfgbuild.c (find_basic_blocks): Kill compute_bb_for_insn call.
3427 * haifa-sched.c (sched_init): Likewise.
3428 * ssa-ccp.c (ssa_const_prop): Likewise.
3429 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
3430
3431 2002-06-11 David S. Miller <davem@redhat.com>
3432
3433 * emit-rtl.c (emit_*_scope): Only access INSN_SCOPE if
3434 active_insn_p.
3435
3436 2002-06-11 Richard Henderson <rth@redhat.com>
3437
3438 * c-common.c (builtin_define_type_max): New.
3439 (cb_register_builtins): Define __SCHAR_MAX__, __SHRT_MAX__,
3440 __INT_MAX__, __LONG_MAX__, __LONG_LONG_MAX__, __CHAR_BIT__.
3441
3442 From Joseph S. Myers:
3443 * glimits.h: Rewrite to expect the double underscore definitions
3444 from the compiler.
3445
3446 * config/alpha/unicosmk.h, config/avr/avr.h, config/h8300/h8300.h,
3447 config/i386/linux64.h, config/ia64/aix.h, config/ia64/hpux.h,
3448 config/ia64/ia64.h, config/m68hc11/m68hc11.h, config/m68hc11/m68hc12.h,
3449 config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
3450 config/pa/pa.h, config/rs6000/aix43.h, config/rs6000/aix51.h,
3451 config/rs6000/linux64.h, config/s390/linux.h, config/sh/sh.h,
3452 config/stormy16/stormy16.h: Don't define any of __SHRT_MAX__,
3453 __INT_MAX__, __LONG_MAX__, or __LONG_LONG_MAX__.
3454
3455 2002-06-11 Richard Henderson <rth@redhat.com>
3456
3457 * config/alpha/alpha.c (ALPHA_BUILTIN_THREAD_POINTER): New.
3458 (ALPHA_BUILTIN_SET_THREAD_POINTER): New.
3459 (code_for_builtns): Update.
3460 (alpha_init_builtins): Add __builtin_thread_pointer and
3461 __builtin_set_thread_pointer.
3462 (alpha_expand_builtin): Handle void builtins.
3463 * doc/extend.texi (Alpha Built-in Functions): Update.
3464
3465 2002-06-11 Hans-Peter Nilsson <hp@axis.com>
3466
3467 PR target/6997
3468 * config/cris/cris.md ("sleu"): Set attribute "cc" to "none".
3469
3470 2002-06-11 Zack Weinberg <zack@codesourcery.com>
3471
3472 * config.gcc: Make the name of the extra-modes file adjustable
3473 by target stanzas.
3474 (s390x, strongarm, xscale stanzas): Use this facility.
3475 * configure.in: Update to match.
3476 * configure: Regenerate.
3477
3478 2002-06-11 Aldy Hernandez <aldyh@redhat.com>
3479
3480 * config/rs6000/rs6000.c (rs6000_emit_minmax): Treat unsigned
3481 max/mins as unsigned GE compares.
3482
3483 2002-06-11 Jason Thorpe <thorpej@wasabisystems.com>
3484
3485 * config.gcc (vax-*-bsd*): Add vax/bsd.h to ${tm_file}.
3486 * config/vax/bsd.h: New file.
3487 * config/vax/netbsd.h: Add missing notice.
3488 (CPP_PREDEFINES): Remove.
3489 (TARGET_OS_CPP_BUILTINS): Define.
3490 (CPP_SPEC): Use NETBSD_CPP_SPEC.
3491 * config/vax/openbsd.h: Update copyright years.
3492 (CPP_PREDEFINES): Remove.
3493 (TARGET_OS_CPP_BUILTINS): Define.
3494 * config/vax/ultrix.h: Likewise.
3495 * config/vax/vaxv.h: Likewise.
3496 * config/vax/vms.h: Likewise.
3497 * config/vax/vax.h (TARGET_CPU_CPP_BUILTINS): Define.
3498 (CPP_PREDEFINES, CPP_SPEC): Remove.
3499
3500 Wed Jun 12 01:50:28 CEST 2002 Jan Hubicka <jh@suse.cz>
3501
3502 * i386.md (addqi_1_slp, subqi_1_slp
3503 (andqi_ext0, testqi_ext0): Remove unnecesary check.
3504 (addhi*, addqi*): Simplify "dec" condition.
3505 (testsi to testqi splitters): Remove TARGET_PROMOTE_QImode check.
3506 (and, or, xor to QImode splitters): New.
3507 (iorqi_ext*): New.
3508 (xorqi_ext_0): New.
3509 (xorqi_ext_1): Rename to xorqi_ext_2; bring to sync with and versions.
3510 (andqi_ext_1_rex64): New.
3511 (ashrqi*_slp): New.
3512 (ashlqi*_slp): New.
3513 (lshlqi*_slp): New.
3514 (rotrqi3*_slp): New.
3515 (rotlqi3*_slp): New.
3516
3517 2002-06-11 Geoffrey Keating <geoffk@redhat.com>
3518
3519 * config.gcc (powerpc*-*-*, rs6000-*-*-*): Don't bother including
3520 softfloat.h.
3521 * config/rs6000/vxppc.h (CPP_ENDIAN_BIG_SPEC): Delete.
3522 (CPP_ENDIAN_LITTLE_SPEC): Delete.
3523 * config/rs6000/sysv4le.h (CPP_ENDIAN_DEFAULT_SPEC): Delete.
3524 * config/rs6000/sysv4.h (CPP_SYSV_SPEC): Delete _SOFT_FLOAT setting,
3525 __LONG_DOUBLE_128__ setting, _CALL_* setting.
3526 (CPP_DEFAULT_SPEC): Delete.
3527 (CPP_FLOAT_DEFAULT_SPEC): Delete.
3528 (CPP_LONGDOUBLE_DEFAULT_SPEC): Delete.
3529 (CPP_SYSV_DEFAULT_SPEC): Delete.
3530 (CPP_ENDIAN_BIG_SPEC): Delete.
3531 (CPP_ENDIAN_LITTLE_SPEC): Delete.
3532 (CPP_ENDIAN_SPEC): Delete.
3533 (CPP_SPEC): Don't include cpp_endian, cpp_cpu.
3534 (SUBTARGET_EXTRA_SPECS): Delete cpp_sysv_default, cpp_endian_default,
3535 cpp_endian, cpp_endian_big, cpp_endian_little, cpp_float_default,
3536 cpp_longdouble_default.
3537 * config/rs6000/softfloat.h: Delete.
3538 * config/rs6000/rs6000.h (CPP_CPU_SPEC): Delete.
3539 (EXTRA_SPECS): Delete cpp_cpu.
3540 (TARGET_CPU_CPP_BUILTINS): New.
3541 * config/rs6000/rs6000-protos.h (rs6000_cpu_cpp_builtins): New
3542 prototype.
3543 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): New.
3544 * config/rs6000/linux64.h (CPP_PREDEFINES): Remove endianness defines.
3545 (CPP_DEFAULT_SPEC): Delete.
3546 * config/rs6000/eabiaix.h (CPP_SYSV_DEFAULT_SPEC): Delete.
3547 * config/rs6000/darwin.h (CPP_PREDEFINES): Don't define __BIG_ENDIAN__.
3548 * config/rs6000/beos.h (CPP_SPEC): Remove cpp_cpu.
3549 (CPP_DEFAULT_SPEC): Delete.
3550 * config/rs6000/aix51.h (CPP_SPEC): Remove cpp_cpu, -D_ARCH_PPC.
3551 (CPLUSPLUS_CPP_SPEC): Likewise.
3552 (CPP_CPU_SPEC): Delete.
3553 (CPP_DEFAULT_SPEC): Delete.
3554 * config/rs6000/aix43.h (CPP_SPEC): Remove cpp_cpu, -D_ARCH_PPC.
3555 (CPLUSPLUS_CPP_SPEC): Likewise.
3556 (CPP_CPU_SPEC): Delete.
3557 (CPP_DEFAULT_SPEC): Delete.
3558 * config/rs6000/aix41.h (CPP_SPEC): Remove cpp_cpu.
3559 (CPP_DEFAULT_SPEC): Delete.
3560 * config/rs6000/aix.h (CPP_SPEC): Remove cpp_cpu.
3561 (CPP_DEFAULT_SPEC): Delete.
3562
3563 * doc/gty.texi: Small updates.
3564
3565 2002-06-12 Gabriel Dos Reis <gdr@codesourcery.com>
3566
3567 * objc/objc-act.c (warn_with_ivar): Adjust calls to
3568 diagnostic_count_error.
3569 (warn_with_method): Likewise.
3570
3571 * diagnostic.h (warnings_are_errors_message): New field of
3572 diagnostic_context.
3573 (diagnostic_count_error): Rename to diagnostic_count_diagnostic to
3574 match semantics.
3575 * diagnostic.c: Adjust calls to diagnostic_count_error through out.
3576 (diagnostic_count_diagnostic): Make aware of other kinds of
3577 diagnostics.
3578 (diagnostic_initialize): Initialize warnings_are_errors_message field.
3579
3580 2002-06-11 Tom Tromey <tromey@redhat.com>
3581
3582 For PR java/6520:
3583 * fold-const.c (fold_convert): Don't modify existing tree's type.
3584
3585 2002-06-11 Geoffrey Keating <geoffk@redhat.com>
3586
3587 * config/rs6000/ppc-asm.h: Remove some Windows NT leftovers.
3588
3589 2002-06-11 Richard Henderson <rth@redhat.com>
3590
3591 * caller-save.c (init_caller_save): Clear INSN_CODE each iteration.
3592
3593 2002-06-11 Richard Henderson <rth@redhat.com>
3594
3595 * defaults.h (EH_FRAME_SECTION_NAME): Don't define if
3596 DWARF2_UNWIND_INFO is false.
3597
3598 2002-06-11 Bob Wilson <bob.wilson@acm.org>
3599
3600 * config/xtensa/t-xtensa (LIBGCC1_TEST, CROSS_LIBGCC1): Delete.
3601
3602 * config/s390/s390.c (emit_prologue): gen_store_multiple
3603 returns an insn now, not a pattern.
3604
3605 2002-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3606
3607 * Makefile.in (gccinstall.dvi): Pass absolute pathnames to
3608 $(TEXI2DVI) -o.
3609
3610 Tue Jun 11 21:53:37 CEST 2002 Jan Hubicka <jh@suse.cz>
3611
3612 * i386.c (x86_promote_QImode): Set for Athlon
3613 (x86_fast_prefix): New global variable.
3614 (x86_arch_always_fancy_math_387): Fix formating.
3615 * i386.h (x86_fast_prefix): Declare
3616 (TARGET_FAST_PREFIX): define.
3617 * i386.md (and to strict_low_part, HI to SI
3618 promoting splitter): Use new macro.
3619
3620 * i386.h (RTX_COSTS): float_extend is not for free for SSE.
3621
3622 2002-06-11 Zack Weinberg <zack@codesourcery.com>
3623
3624 * Makefile.in (distclean): Delete junk left in testsuite
3625 directory, too.
3626
3627 2002-06-11 Jeffrey Law <law@redhat.com>
3628
3629 * emit-rtl.c (try_split): Use INSN_LAST, not LAST_INSN to get the
3630 last insn created by the splitter.
3631
3632 * caller-save.c (init_caller_save): Move creation of SAVEINSN
3633 and RESTINSN into into the scope of the sequence.
3634
3635 * mips.c (mips_expand_prologue): Use emit_jump_insn for trivial
3636 RETURN insns.
3637
3638 * loop.c (loop_regs_scan): Avoid useless generation of REG objects.
3639
3640 * mips.c (function_arg_advance): gen_ashldi3 returns an INSN now,
3641 not the pattern. So extract the pattern from the insn.
3642
3643 * mips.c (embedded_pic_fnaddr_reg): Fix typo.
3644
3645 2002-06-11 Ulrich Weigand <uweigand@de.ibm.com>
3646
3647 * config/s390/s390.md (movsi): Only use floating point
3648 register alternatives when operands are already fprs.
3649 (movdi_31, movdi_64): Likewise.
3650
3651 2002-06-11 David S. Miller <davem@redhat.com>
3652
3653 * emit-rtl.c (try_split): Do not abort on non-INSN_P.
3654 Only run RTX equality checks on INSN_P rtl.
3655
3656 2002-06-11 Ulrich Weigand <uweigand@de.ibm.com>
3657
3658 * config/s390/s390.md (reload_base, ltorg): Remove.
3659 * s390.c (s390_stop_dump_lit_p, s390_dump_literal_pool,
3660 s390_asm_output_pool_prologue, s390_pool_start_insn): Remove.
3661 * s390-protos.h (s390_stop_dump_lit_p, s390_dump_literal_pool,
3662 s390_asm_output_pool_prologue): Likewise.
3663 * s390.h (s390_pool_start_insn): Likewise.
3664
3665 * s390.c (s390_output_symbolic_const): Remove support for
3666 old-style pool chunks.
3667 (s390_function_epilogue): Likewise.
3668 (s390_output_constant_pool): Likewise. Also, fix incorrect
3669 alignment for 64-bit literal pools.
3670 (print_operand_address): Remove 'y' and 'Y' format flags.
3671 * s390.h (ASM_OUTPUT_POOL_PROLOGUE): Remove support for
3672 old-style pool chunks.
3673 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
3674 (ASM_OUTPUT_POOL_EPILOGUE): Remove.
3675 (S390_CHUNK_MAX, S390_CHUNK_OV, S390_POOL_MAX): Remove.
3676
3677 * s390.c (consttable_operand): New function.
3678 * s390-protos.h (consttable_operand): Declare it.
3679 * s390.h (PREDICATE_CODES): Add consttable_operand.
3680 * s390.md (consttable_qi, consttable_hi, consttable_si, consttable_di,
3681 consttable_sf, consttable_df, pool_start_31, pool_end_31,
3682 pool_start_64, pool_end_64, reload_base, reload_base2): New insns.
3683 * s390.c (struct constant, struct constant_pool): New data types.
3684 (constant_modes, gen_consttable): New variables.
3685 (s390_start_pool, s390_end_pool, s390_add_pool,
3686 s390_dump_pool, s390_free_pool): New functions.
3687 (s390_chunkify_pool): Completely reimplement literal pool
3688 overflow handling.
3689
3690 * s390.c (s390_pool_overflow): New variable.
3691 * s390.h (s390_pool_overflow): Declare it.
3692 * s390.md (cjump, icjump): Use it to adapt length for out-of-range
3693 jumps in literal pool overflow situations.
3694
3695 * s390.c (s390_decompose_address): Accept new-style pool chunk offsets.
3696 (s390_frame_info): Account for possible use of RETURN_REGNUM
3697 by new literal pool overflow code.
3698 (s390_emit_prologue): Likewise.
3699
3700 2002-06-05 David S. Miller <davem@redhat.com>
3701
3702 Delete SEQUENCE rtl usage outside of reorg and ssa passes.
3703 * rtl.h (gen_sequence, emit_insns, emit_insns_before,
3704 emit_insns_before_scope, emit_insns_after,
3705 emit_insns_after_scope): Delete declaration.
3706 * ada/misc.c (insert_code_for): Use emit_insn* instead of
3707 emit_insns_foo.
3708 * config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE.
3709 (alpha_set_memflags): Fix comment.
3710 (set_frame_related_p): Use get_insns instead of gen_sequence.
3711 * config/alpha/alpha.md (setjmp receiver splitter): Avoid
3712 emitting no insns.
3713 * config/arm/arm.c (arm_finalize_pic): Use get_insns instead of
3714 gen_sequence.
3715 (arm_gen_load_multiple, arm_gen_store_multiple): Likewise.
3716 * config/fr30/fr30.c (fr30_move_double): Likewise.
3717 * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr):
3718 Likewise.
3719 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3720 * config/ia64/ia64.md (conditional move spliiter): Avoid emitting
3721 no insns.
3722 * config/m32r/m32r.c (gen_split_move_double): Use get_insns
3723 instead of gen_sequence.
3724 * config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise.
3725 (mips_expand_prologue, mips16_gp_pseudo_reg): Likewise.
3726 * config/sh/sh.c (sh_need_epilogue): Likewise.
3727 * config/sparc/sparc.md (current_function_calls_alloca, flat): New
3728 attributes.
3729 (setjmp pattern and split): Use them to avoid splitter which emits
3730 no RTL.
3731 * genattrtab.c (main): Emit include of function.h
3732 * config/stormy16/stormy16.c (xstormy16_split_cbranch): Use
3733 get_insns instead of gen_sequence.
3734 * config/cris/cris.c (cris_split_movdx): Likewise.
3735 * emit-rtl.c (emit_insns*): Kill.
3736 (try_split): Expect insn list instead of SEQUENCE.
3737 (make_jump_insn_raw, make_call_insn_raw): Fix comments.
3738 (emit_*insn*): Reimplement to work with INSN lists and PATTERNs.
3739 Make them abort if a SEQUENCE is given and RTL checking is
3740 enabled.
3741 (emit_*_scope): Don't forget to set scope on final insn.
3742 (gen_sequence): Move from here...
3743 * ssa.c (gen_sequence): To here as private function.
3744 * builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix
3745 comments.
3746 (expand_builtin_return, expand_builtin_mathfn): Likewise.
3747 (expand_builtin_strlen): Use get_insns instead of gen_sequence.
3748 (expand_builtin_saveregs): Use emit_insn_foo, fix comments.
3749 (expand_builtin_expect_jump): Use get_insns and fix comments.
3750 * calls.c (try_to_integrate): Use emit_insn_foo.
3751 (expand_call, emit_library_call_value_1): Likewise.
3752 * expr.c (emit_queue): Handle insn lists instead of SEQUENCE.
3753 (emit_move_insn_1): Use get_insns instead of gen_sequence.
3754 (expand_expr): Use emit_insn_foo.
3755 * cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo.
3756 * except.c (build_post_landing_pads): Likewise.
3757 * flow.c (attempt_auto_inc): Likewise.
3758 * stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label,
3759 expand_nl_goto_receivers, expand_decl_cleanup): Likewise.
3760 * function.c (fixup_var_refs_insn): Use get_insns instead of
3761 gen_sequence.
3762 (fixup_var_refs_1): Likewise and expect insn list from gen_foo.
3763 (fixup_memory_subreg): Use get_insns instead of gen_sequence.
3764 (fixup_stack_1, purge_addressof_1, expand_main_function,
3765 get_arg_pointer_save_area): Likewise.
3766 (optimize_bit_field, instantiate_virtual_regs_1, assign_parms,
3767 expand_function_end): Use emit_insn_foo.
3768 (record_insns, keep_stack_depressed): Work with insn list instead
3769 of SEQUENCE, fix comments.
3770 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag,
3771 noce_try_store_flag_constants, noce_try_store_flag_inc,
3772 noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith,
3773 noce_try_minmax, noce_try_abs): Use emit_insn_foo.
3774 (noce_process_if_block): Use get_insns instead of gen_sequence.
3775 * optabs.c (add_equal_note): Work with insn list, fix comments.
3776 (expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo.
3777 (expand_unop, expand_complex_abs, expand_unop_insn,
3778 expand_no_conflict_block): Likewise.
3779 (gen_move_insn): Use get_insns instead of gen_sequence.
3780 (gen_cond_trap): Likewise.
3781 * integrate.c (copy_rtx_and_substitute): Likewise.
3782 (emit_initial_value_sets): Use emit_insn_foo.
3783 * reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise.
3784 (fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently
3785 now that RTL generators give insn lists.
3786 * sibcall.c (replace_call_placeholder): Use emit_insn_foo.
3787 * doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns
3788 instead of gen_sequence.
3789 (doloop_optimize): Work with insn lists instead of SEQUENCE rtl.
3790 * explow.c (emit_stack_save, emit_stack_restore): Use get_insns
3791 instead of gen_sequence.
3792 * loop.c (move_movables, emit_prefetch_instructions,
3793 gen_add_mult, check_dbra_loop, gen_load_of_final_value):
3794 Likewise.
3795 (loop_regs_update): Work with insn list instead of SEQUENCE rtl.
3796 (product_cheap_p): Likewise, and add commentary about RTL wastage
3797 here.
3798 * lcm.c (optimize_mode_switching): Use get_insns instead of
3799 gen_sequence.
3800 * profile.c (gen_edge_profiler): Likewise.
3801 * regmove.c (copy_src_to_dest): Likewise.
3802 * reg-stack.c (compensate_edge): Likewise and fix comment.
3803 * gcse.c (process_insert_insn): Likewise.
3804 (insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl.
3805 * jump.c (delete_prior_computation): Update comment.
3806 * genemit.c (gen_expand, gen_split, main): Use get_insns instead
3807 of gen_sequence, update comments to match.
3808 * recog.c (peephole2_optimize): Work with insn lists instead of
3809 SEQUENCE rtl.
3810 * sched-vis.c (print_pattern): Abort on SEQUENCE.
3811 * unroll.c (unroll_loop, find_splittable_givs, final_giv_value):
3812 Use get_insns instead of gen_sequence.
3813 (copy_loop_body): Likewise and don't emit dummy NOTE.
3814 * genrecog.c: Don't mention SEQUENCE rtl in comments.
3815 * combine.c (try_combine): Expect insn lists from split generator.
3816 * reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by
3817 hand.
3818
3819 2002-06-11 Roger Sayle <roger@eyesopen.com>
3820 Andreas Jaeger <aj@suse.de>
3821
3822 * cfgbuild.c: Update copyright years.
3823
3824 2002-06-11 Andreas Schwab <schwab@suse.de>
3825
3826 * config/m68k/m68k.h (PREDICATE_CODES): Define.
3827
3828 2002-06-11 Eric Christopher <echristo@redhat.com>
3829
3830 * doc/tm.texi (Run-time Target): Add comment about flag_iso
3831 and strict ANSI.
3832 * config/mips/ecoff.h (CPP_PREDEFINES): Remove.
3833 * config/mips/ecoffl.h: Ditto.
3834 * config/mips/elf64.h (SUBTARGET_CPP_SPEC): Remove.
3835 (CPP_PREDEFINES): Ditto.
3836 * config/mips/elfl64.h: Ditto.
3837 * config/mips/elfl.h: Ditto.
3838 * config/mips/iris3.h (CPP_PREDEFINES, SUBTARGET_CPP_SPEC): #if 0
3839 out until irix header consolidation.
3840 * config/mips/iris5.h (CPP_PREDEFINES, SUBTARGET_CPP_SPEC): Replace
3841 with SUBTARGET_OS_CPP_BUILTINS.
3842 * config/mips/iris6.h: Ditto.
3843 (CPLUSPLUS_CPP_SPEC): Remove.
3844 * config/mips/linux.h: Ditto.
3845 * config/mips/netbsd.h: Ditto.
3846 * config/mips/openbsd.h: Ditto.
3847 * config/mips/rtems.h: Ditto.
3848 * config/mips/rtems64.h: Ditto.
3849 * config/mips/sni-svr4.h: Ditto.
3850 * config/mips/mips.h (ISA_MIPS1, ISA_MIPS2, ISA_MIPS3, ISA_MIPS4,
3851 ISA_MIPS32, ISA_MIPS64): New defines.
3852 (GENERATE_MULT3_SI, HAVE_SQRT_P, ISA_HAS_64BIT_REGS,
3853 ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE, ISA_HAS_8CC, ISA_HAS_FP4,
3854 ISA_HAS_COND_TRAP, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
3855 ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Use.
3856 (TARGET_CPU_CPP_BUILTINS): Define.
3857 (CPP_PREDEFINES, LONG_MAX_SPEC, CPP_FPR_SPEC, CPP_SPEC): Remove.
3858 * config/mips/mips.md (mulsi3_mult3): Use ISA_MIPS32/64.
3859 (movdicc): Remove check for ISA_MIPS32.
3860 (bunordered, bordered, bungt, bunlt, buneq, bunge, bunle,
3861 sunordered_df, sunordered_sf, sordered_df, sordered_sf,
3862 sunlt_df, sunlt_sf, sungt_df, sungt_sf, suneq_df, suneq_sf, sunge_df,
3863 sunge_sf, sunle_df, sunle_sf): New patterns.
3864
3865 2002-06-11 Neil Booth <neil@daikokuya.demon.co.uk>
3866
3867 * Makefile.in: Update cppmain.o.
3868 * cpphash.h (struct cpp_reader): Move some members to a
3869 nested structure.
3870 (trad_line): Rename saved_line.
3871 (_cpp_read_logical_line_trad): Update.
3872 (_cpp_remove_overlay): New.
3873 * cppinit.c (cpp_create_reader): No need to set saved_line.
3874 (cpp_destroy): Update.
3875 (cpp_read_main_file): Only overlay if compiling.
3876 * cpplex.c (continue_after_nul): Return false if in directive.
3877 * cpplib.c (EXPAND): New.
3878 (directive_table, SEEN_EOL): Update.
3879 (end_directive): Remove overlay if traditional; don't skip
3880 line in traditional #define.
3881 (prepare_directive_trad): New.
3882 (_cpp_handle_directive, run_directive): Update for traditional
3883 directives.
3884 (lex_macro_node): Simplify, don't use lex_identifier_trad.
3885 * cpplib.h (struct options): Add preprocess_only.
3886 * cppmain.c: Don't include intl.h.
3887 (cpp_preprocess_file): Set options->preprocess_only.
3888 (scan_translation_unit_trad): Fix, and print line numbers.
3889 * cpptrad.c (check_output_buffer, lex_identifier, scan_parameters,
3890 maybe_start_funlike, scan_out_logical_line, replace_args_and_push,
3891 save_replacement_text, _cpp_create_trad_definition): Update for
3892 variable renaming.
3893 (_cpp_overlay_buffer): Save line number.
3894 (_cpp_remove_overlay): Rename from restore_buff, restore line.
3895 (_cpp_read_logical_line_trad): Don't handle overlays here.
3896 (scan_out_logical_line): Process directives.
3897
3898 2002-06-11 Danny Smith <dannysmith@users.sourforge.net>
3899
3900 * gthr-win32.h: Wrap functions in extern "C".
3901 (__gthread_key_t): Typedef as unsigned long,
3902 not win32 DWORD.
3903 (__GTHREAD_ONCE_INIT): Use 0, not win32 FALSE.
3904 (__gthread_mutex_t): Typedef as void*, not win32 HANDLE.
3905 (__gthr_win32_once, __gthr_win32_key_create,
3906 __gthr_win32_key_delete, __gthr_win32_getspecific,
3907 __gthr_win32_setspecific, __gthr_win32_mutex_init_function,
3908 __gthr_win32_mutex_lock,__gthr_win32_mutex_trylock,
3909 __gthr_win32_mutex_unlock): Declare.
3910 (__gthread_once,__gthread_key_create,
3911 __gthread_key_delete, __gthread_getspecific,
3912 __gthread_setspecific, __gthread_mutex_init_function,
3913 __gthread_mutex_lock,__gthread_mutex_trylock,
3914 __gthread_mutex_unlock): Call corresponding
3915 __gthr_win32_* extern implementations if #defined
3916 __GTHREAD_HIDE_WIN32API.
3917 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Set to
3918 $(srcdir)/config/i386/gthr-win32.c
3919 * config/i386/gthr-win32.c: New implementation file.
3920 (__gthr_win32_once, __gthr_win32_key_create,
3921 __gthr_win32_key_delete, __gthr_win32_getspecific,
3922 __gthr_win32_setspecific, __gthr_win32_mutex_init_function,
3923 __gthr_win32_mutex_lock,__gthr_win32_mutex_trylock,
3924 __gthr_win32_mutex_unlock): New functions, based on
3925 static inlines in gthr-win32.h.
3926
3927 2002-06-10 Bob Wilson <bob.wilson@acm.org>
3928
3929 * config/xtensa/xtensa.c (override_options): Don't warn about
3930 using -fpic or -fPIC when PIC is enabled by default.
3931
3932 2002-06-10 Roger Sayle <roger@eyesopen.com>
3933
3934 * toplev.c (rest_of_compilation): Revert flag_if_conversion change.
3935
3936 2002-06-10 Zack Weinberg <zack@codesourcery.com>
3937
3938 * Makefile.in (MACHMODE_H): Add @extra_modes_file@.
3939 * configure.in: If $srcdir/config/${cpu_type}/${cpu_type}-modes.def
3940 exists, substitute its pathname as @extra_modes_file@, define
3941 EXTRA_MODES_FILE to be an appropriate string to #include it
3942 with, and define EXTRA_CC_MODES to 1.
3943
3944 * machmode.def: Update comments. Include EXTRA_MODES_FILE if
3945 it's defined. Get rid of redundancy in calling sequence for
3946 CC; don't use it to define CCmode, to avoid a warning.
3947 * libgcc2.c: Include symcat.h for the sake of machmode.def.
3948
3949 * arc-modes.def, arm-modes.def, c4x-modes.def, i386-modes.def,
3950 i960-modes.def, ia64-modes.def, m88k-modes.def, mmix-modes.def,
3951 pa-modes.def, pdp11-modes.def, rs6000-modes.def, sparc-modes.def:
3952 New files.
3953 * arc.h, arm.h, c4x.h, i386.h, i960.h, ia64.h, m88k.h, mmix.h,
3954 pa.h, pdp11.h, rs6000.h, sparc.h: Don't define EXTRA_CC_MODES.
3955
3956 * doc/sourcebuild.texi, doc/tm.texi: Document new scheme for
3957 defining extra CC modes.
3958
3959 2002-06-10 Roger Sayle <roger@eyesopen.com>
3960 Andreas Jaeger <aj@suse.de>
3961
3962 * cfgrtl.c (create_basic_block_structure): Remove index argument
3963 and use last_basic_block++ instead. (create_basic_block): Update.
3964 * cfgbuild.c (find_basic_blocks_1): Likewise.
3965
3966 * cfgrtl.c (compute_bb_for_insn): Remove unused "max" argument.
3967 * haifa-sched.c (sched_init): Update compute_bb_for_insn caller.
3968 * sched-ebb.c (schedule_ebbs): Likewise.
3969 * sched-rgn.c (schedule_insns): Likewise.
3970 * ssa-ccp.c (ssa_const_prop): Likewise.
3971 * ssa-dcs.c (ssa_eliminate_dead_code): Likewise.
3972 * toplev.c (rest_of_compilation): Likewise.
3973 * config/ia64/ia64.c (ia64_reorg): Likewise.
3974
3975 2002-06-10 Roger Sayle <roger@eyesopen.com>
3976
3977 * simplify-rtx.c (simplify_replace_rtx): Allow replacement
3978 of matching registers.
3979
3980 2002-06-10 Roger Sayle <roger@eyesopen.com>
3981
3982 * toplev.c (rest_of_compilation): Disable early if-conversion pass.
3983 * gcse.c (bypass_conditional_jumps): Fix typo in setcc test.
3984
3985 2002-06-10 Hans-Peter Nilsson <hp@bitrange.com>
3986
3987 * config/mmix/mmix.h: Improve comments.
3988 (CPP_SPEC, CPP_PREDEFINES): Don't define.
3989 (TARGET_CPU_CPP_BUILTINS): Define.
3990 (CANONICALIZE_COMPARISON): Don't define, replace with comment.
3991 (PREDICATE_CODES) <"mmix_reg_or_8bit_or_256_operand">: Remove
3992 unused predicate.
3993 * config/mmix/mmix.c (MMIX_OUTPUT_REGNO): Add cast to avoid
3994 compiler warning.
3995 (mmix_constant_address_p): Remove another
3996 redundant test before case.
3997 (mmix_canonicalize_comparison): Remove unused function.
3998 (mmix_print_operand_address): Don't test and adjust for operand in
3999 non-canonical format.
4000 (mmix_reg_or_8bit_or_256_operand): Remove unused predicate.
4001 (mmix_gen_compare_reg): Don't use CANONICALIZE_COMPARISON.
4002
4003 2002-06-10 Zack Weinberg <zack@codesourcery.com>
4004
4005 * config/m32r/m32r.h: Don't define SELECT_CC_MODE.
4006 * config/m32r/m32r-protos.h: Don't prototype m32r_select_cc_mode.
4007 * config/m32r/m32r.c: Don't define m32r_select_cc_mode.
4008 (gen_compare): Use CCmode unconditionally.
4009
4010 2002-06-10 Jakub Jelinek <jakub@redhat.com>
4011
4012 PR optimization/6759
4013 * cse.c (cse_insn): Fold src_eqv just once, store it folded back into
4014 the REQ_EQUAL note.
4015
4016 2002-06-10 Jakub Jelinek <jakub@redhat.com>
4017
4018 PR c/6660
4019 * c-decl.c (grokfield): Allow user defined types if they declare
4020 structs or unions for unnamed fields.
4021
4022 2002-06-10 Jakub Jelinek <jakub@redhat.com>
4023
4024 PR c/6809
4025 * print-rtl.c (print_mem_expr): Don't crash on unnamed fields.
4026
4027 2002-06-10 Jakub Jelinek <jakub@redhat.com>
4028
4029 PR optimization/6842
4030 * combine.c (combine_simplify_rtx) [SUBREG]: Don't ICE if VOIDmode
4031 operand subreg cannot be simplified.
4032
4033 2002-06-10 Jakub Jelinek <jakub@redhat.com>
4034
4035 * varasm.c (const_hash): Handle FDESC_EXPR like ADDR_EXPR.
4036 (compare_constant): Likewise.
4037 (output_addressed_constants): Likewise.
4038
4039 2002-06-10 Jakub Jelinek <jakub@redhat.com>
4040
4041 * cfgcleanup.c (try_optimize_cfg): Make sure merge_blocks doesn't
4042 merge bb with itself.
4043
4044 2002-06-10 Richard Henderson <rth@redhat.com>
4045
4046 * config/alpha/alpha.md (builtin_zap): Fix thinkos expanding mask.
4047 (builtin_zapnot): Likewise.
4048
4049 * config/alpha/ev5.md: Don't combine shift and mvi insns in one
4050 reservation.
4051
4052 2002-06-10 Eric Christopher <echristo@redhat.com>
4053
4054 * config/i386/i386.c (ix86_osf_output_function_prologue): Remove
4055 prototype and function.
4056 (TARGET_ASM_FUNCTION_PROLOGUE): Remove OSF version.
4057 (call_insn_operand): Remove half pic references.
4058 (legitimate_address_p): Ditto.
4059 * config/i386/i386.h: Remove half pic defines.
4060
4061 2002-06-10 Eric Christopher <echristo@redhat.com>
4062
4063 * doc/extend.texi (Return Address): Add note explaining the side-
4064 effects of inlining on __builtin_return_address.
4065
4066 2002-06-10 Tom Tromey <tromey@redhat.com>
4067
4068 * Makefile.in (LANGHOOKS_DEF_H): Include langhooks-def.h.
4069 (c-common.o): Depend on langhooks.h.
4070
4071 2002-06-10 Neil Booth <neil@daikokuya.demon.co.uk>
4072
4073 * cpphash.h (_cpp_read_logical_line_trad,
4074 _cpp_expansions_different_trad): Update prototypes.
4075 * cpplex.c (continue_after_nul): New.
4076 * cppmain.c: Include cpphash.h.
4077 (scan_translation_unit_trad): New.
4078 (cpp_preprocess_file): Call it.
4079 * cpptrad.c (_cpp_read_logical_line_trad): Take new parameter
4080 overlay.
4081 (_cpp_expansions_different_trad): Update prototype.
4082
4083 Mon Jun 10 18:02:24 2002 J"orn Rennecke <joern.rennecke@superh.com>
4084
4085 Fix cfi generation for SH[1-4]:
4086
4087 * sh.c (frame_insn): New function.
4088 (output_stack_adjust): Add parameter emit_fn. All callers changed.
4089 (push): Now returns rtx. Use frame_insn.
4090 (sh_expand_prologue): Clear RTX_FRAME_RELATED_P for second push
4091 of a DF register.
4092 * sh.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_RETURN_COLUMN): Define.
4093
4094 2002-06-10 Zack Weinberg <zack@codesourcery.com>
4095
4096 * Makefile.in (STAGESTUFF): Add s-gtype, gt-*.h, gtype-*.h,
4097 and gtype-desc.c.
4098 (mostlyclean): Delete specs.h, options.h, gencheck.h here...
4099 (distclean): ... not here. But do delete all testsuite/*.log,
4100 testsuite/*.sum files here. Delete mkheaders. Delete
4101 po/*.gmo and the testsuite directory in a split tree build.
4102
4103 2002-06-10 Jeffrey Law <law@redhat.com>
4104
4105 * alias.c (static_reg_base_value): New to hold RTL for
4106 items allocated once per function for the aliasing code.
4107 (init_alias_once_per_function): Initialize static_reg_base_value.
4108 (init_alias_analysis): Avoid throw-away allocations of RTL by
4109 using pre-computed values in static_reg_base_value.
4110 * function.c (prepare_function_start): Call
4111 init_alias_once_per_function appropriately.
4112 * rtl.h (init_alias_once_per_function): Declare.
4113 * caller-save (init_caller_save): Restructure slightly to
4114 avoid lots of silly RTL generation.
4115 * expr.c (init_expr_once): Likewise.
4116 * reload1.c (reload_cse_regs_1): Allocate throw-away register
4117 RTL object here. Pass it into children.
4118 (reload_cse_simplify_operands): Use passed-in register RTL
4119 object.
4120 (reload_cse_simplify): Pass through throw-away register
4121 RTL object.
4122
4123 2002-06-10 Daniel Berlin <dberlin@dberlin.org>
4124
4125 * Makefile.in (ssa.o): Add dependency on $(RTL_H), which was missing.
4126
4127 2002-06-10 Richard Sandiford <rsandifo@redhat.com>
4128
4129 * gcc.c (process_command): Avoid assignment to read-only location.
4130 Fix sizeof calculation.
4131
4132 2002-06-10 Neil Booth <neil@daikokuya.demon.co.uk>
4133
4134 * cpphash.h (struct cpp_macro): Put comments on their own lines.
4135 (_cpp_expansions_different_trad): New.
4136 * cppmacro.c (warn_of_redefinition): Fix for traditional case.
4137 * cpptrad.c (canonicalize_text): New.
4138 (scan_out_logical_line): Handle no arguments correctly.
4139 (save_replacement_text): Commit memory when finished.
4140 (_cpp_expansions_different_trad): New.
4141
4142 2002-06-10 Tim Josling <tej@melbpc.org.au>
4143
4144 * gengtype.c (unnamed enum containing BASE_FILE_*): Add languages
4145 TREELANG and COBOL.
4146 (lang_names): Add treelang and cobol.
4147 (get_file_basename): Add code to support treelang and cobol as
4148 4th and 5th users of c-common.c.
4149
4150 2002-06-09 Geoffrey Keating <geoffk@redhat.com>
4151
4152 * Makefile.in (install-driver): Install driver as
4153 $(target_alias)-gcc-$(version).
4154 * gcc.c (spec_version): Make const.
4155 (process_command): Handle -V and -b by using exec.
4156 * doc/invoke.texi (Target Options): Restore -V option,
4157 update docs for -b option.
4158
4159 2002-06-10 Tim Josling <tej@melbpc.org.au>
4160
4161 * configure.in (remaining_languages_check):
4162 Added check that all languages specified were found.
4163 Exit if not found. Previous behaviour was silent failure.
4164 * configure: Regenerated.
4165
4166 2002-06-10 Tim Josling <tej@melbpc.org.au>
4167
4168 First steps to making treelang documentation compliant, based on
4169 instructions in sourcebuild.texi. Also add to gcc.c list of
4170 default languages.
4171
4172 * doc/contrib.texi: Add self as contributor of treelang.
4173
4174 * doc/frontends.texi: Add mention of treelang.
4175
4176 * doc/invoke.texi (Overall Options): Add mention of treelang.
4177
4178 * doc/standards.texi: Add mention of treelang.
4179
4180 2002-06-09 Hans-Peter Nilsson <hp@axis.com>
4181
4182 * config/cris/cris.c: Include ggc.h
4183
4184 2002-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
4185
4186 * cpphash.h (_cpp_push_text_context): Update.
4187 (_cpp_arguments_ok): New.
4188 * cppmacro.c (_cpp_arguments_ok): New, split out from...
4189 (collect_args): ...here.
4190 (_cpp_push_text_context): Change inputs.
4191 * cpptrad.c (struct fun_macro, maybe_start_funlike, save_argument,
4192 replace_args_and_push): New.
4193 (lex_identifier, _cpp_lex_identifier_trad, scan_parameters):
4194 Don't use IS macros directly.
4195 (scan_out_logical_line): Handle function-like macro argument
4196 collection.
4197 (push_replacement_text): Update.
4198 (replacement_length): Remove.
4199 (_cpp_create_trad_definition): Don't skip whitespace before
4200 checking for '('.
4201
4202 2002-06-09 Marek Michalkiewicz <marekm@amelek.gda.pl>
4203
4204 * config/avr/avr.c (avr_mcu_types): Update for new devices.
4205 * config/avr/avr.h (TARGET_SWITCHES, AVR_MEGA): Add -mshort-calls.
4206 (LINK_SPEC, CRT_BINUTILS_SPECS): Update for new devices.
4207 * config/avr/avr.md ("type" and "length" attributes): New type
4208 "xcall", length 1 or 2 if AVR_MEGA. Use in all patterns that
4209 output a single "call" or "rcall" insn depending on device size.
4210 * config/avr/t-avr (MULTILIB_MATCHES): Update for new devices.
4211
4212 2002-06-09 David Edelsohn <edelsohn@gnu.org>
4213
4214 * config/rs6000/{aix43.h,aix5.1} (ASM_CPU_SPEC): Add power3
4215 synonym for 630. Add power4. Remove embedded processors. Use -m604
4216 assembler option.
4217 (CPP_CPU_SPEC): Add power3 and power4.
4218 (PROCESSOR_DEFAULT): Change to 604e.
4219 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Similar additions.
4220 (CPP_CPU_SPEC): Similar additions.
4221 (enum process_type): Add POWER4.
4222 (RTX_COSTS): Add POWER4.
4223 (CPP_CPU_SPEC): Similar additions.
4224 * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
4225 (PROCESSOR_DEFAULT64): Define.
4226 * config/rs6000/rs6000.c (rs6000_override_options): Add power4.
4227 (rs6000_adjust_cost): Add 603, 604, 604e, 620, 630, Power4 to
4228 branch adjustment.
4229 (rs6000_issue_rate): Add Power4.
4230 * config/rs6000/rs6000.md (cpu attr): Add power4.
4231 (iu compare): Remove 604, 604e, 620, 630.
4232 Add basic Power4 scheduling information.
4233 (mfcr/mtcrf): Change type attribute to cr_logical.
4234
4235 2002-06-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4236
4237 * gengtype.h (error_at_line): Use PARAMS, not VPARAMS. Add
4238 ATTRIBUTE_PRINTF_2.
4239 * gengtype-lex.l: Fix format specifier warning.
4240
4241 * genautomata.c: Don't include ctype.h or limits.h. Use ISSPACE,
4242 not isspace.
4243 * gengtype-lex.l: Don't include ctype.h and use ISSPACE/ISIDNUM in
4244 lieu of isspace/IDchar.
4245 * gengtype.c: Likewise for ctype.h and ISALNUM vs isalnum.
4246 * read-rtl.c: Likewise for ctype.h. Don't define ISDIGIT or
4247 ISSPACE.
4248
4249 2002-06-08 Zack Weinberg <zack@codesourcery.com>
4250
4251 * Makefile.in (LIBCPP_OBJS): Take out version.o.
4252 * cpphash.h (cpp_reader): Take out print_version member.
4253 * cppinit.c: (cpp_handle_option): Don't do anything with
4254 -version. Just set help_only for --version, --target-help.
4255 Just set verbose option for -v.
4256 (cpp_post_options): Don't print a version string.
4257
4258 2002-06-08 Marek Michalkiewicz <marekm@amelek.gda.pl>
4259
4260 * config/avr/avr.c (TARGET_SECTION_TYPE_FLAGS): New.
4261 (avr_section_type_flags): New, handle .noinit* sections.
4262
4263 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4264
4265 * config/sh/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): Define
4266 and include netbsd_entry_point.
4267 (SUBTARGET_LINK_SPEC): Define as NETBSD_LINK_SPEC_ELF.
4268 (NETBSD_ENTRY_POINT): Define.
4269
4270 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4271
4272 * config/sh/sh.h (SUBTARGET_EXTRA_SPECS): Define empty
4273 if not already defined.
4274 (EXTRA_SPECS): Add SUBTARGET_EXTRA_SPECS.
4275
4276 2002-06-08 Marek Michalkiewicz <marekm@amelek.gda.pl>
4277
4278 * config/avr/avr.c (avr_regs_to_save): No need to save any registers
4279 in a noreturn function.
4280 (avr_output_function_prologue, avr_output_function_epilogue):
4281 Correct function size calculation. Do not crash on empty function.
4282 (avr_output_function_epilogue): No need for epilogue after a BARRIER.
4283
4284 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4285
4286 * config/mips/netbsd.h (SUBTARGET_EXTRA_SPECS): Add
4287 netbsd_link_spec and netbsd_entry_point.
4288 (LINK_SPEC): Use %(netbsd_link_spec).
4289 (NETBSD_ENTRY_POINT): Define.
4290
4291 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4292
4293 * config/sparc/netbsd-elf.h (LINK_ARCH32_SPEC): Only specify
4294 linker emulation.
4295 (LINK_ARCH64_SPEC): Likewise.
4296 (LINK_SPEC, NETBSD_ENTRY_POINT): Define.
4297 (SUBTARGET_EXTRA_SPECS): Add netbsd_link_spec and netbsd_entry_point.
4298
4299 2002-06-08 Marc Espie <espie@openbsd.org>
4300
4301 * lists.c (free_list): Fix typo in comment.
4302
4303 2002-06-08 Andreas Jaeger <aj@suse.de>
4304
4305 * lcm.c (optimize_mode_switching): Add unused attribute for
4306 variable.
4307
4308 * sched-deps.c (sched_analyze): Remove unused variable.
4309
4310 2002-06-08 Gabriel Dos Reis <gdr@codesourcery.com>
4311
4312 * diagnostic.def: Don't capitalize diagnostict descriptors.
4313
4314 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4315
4316 * config/m68k/netbsd-elf.h (EXTRA_SPECS): Add netbsd_entry_point.
4317 (LINK_SPEC): Define as NETBSD_LINK_SPEC_ELF.
4318 (NETBSD_ENTRY_POINT): Define.
4319
4320 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4321
4322 * config/i386/netbsd-elf.h (LINK_SPEC): Define as
4323 NETBSD_LINK_SPEC_ELF.
4324 (SUBTARGET_EXTRA_SPECS): Add netbsd_entry_point.
4325 (NETBSD_ENTRY_POINT): Define.
4326 * config/i386/netbsd64.h (LINK_SPEC): Use %(netbsd_link_spec).
4327 (SUBTARGET_EXTRA_SPECS): Add netbsd_link_spec and
4328 netbsd_entry_point.
4329 (NETBSD_ENTRY_POINT): Define.
4330
4331 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4332
4333 * config/alpha/netbsd.h (SUBTARGET_EXTRA_SPECS): Add
4334 netbsd_link_spec and netbsd_entry_point.
4335 (LINK_SPEC): Use %(netbsd_link_spec).
4336 (NETBSD_ENTRY_POINT): Define.
4337
4338 2002-06-08 Jason Thorpe <thorpej@wasabisystems.com>
4339
4340 * config/netbsd-elf.h (LINK_SPEC): Rename to...
4341 (NETBSD_LINK_SPEC_ELF): ...this. Use %(netbsd_entry_point)
4342 to specify program entry point.
4343
4344 2002-06-07 Jeff Law <law@redhat.com
4345
4346 * emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx.
4347 * combine.c (move_deaths): Use regno_reg_rtx for hard regs rather
4348 than creating a new register.
4349 (distribute_notes): Likewise.
4350 * df.c (df_reg_use_gen): Likewise.
4351 (df_reg_clobber_gen): Likewise.
4352 (df_ref_record): Likewise.
4353 * expr.c (use_regs): Likewise.
4354 * flow.c (propagate_one_insn): Likewise.
4355 (mark_set_1): Likewise.
4356 (mark_used_reg): Likewise.
4357 * reload.c (emit_reload_insns): Likewise.
4358
4359 2002-06-07 Roger Sayle <roger@eyesopen.com>
4360
4361 * simplify-rtx.c (simplify_gen_relational): Simplify RTL of the form
4362 (ne (comp x y) 0) into (comp x y) where comp is a comparison code.
4363 Simplify (eq (comp x y) 0) into (revcomp x y) if the sense of the
4364 comparison code comp can be reversed.
4365
4366 2002-06-07 Roger Sayle <roger@eyesopen.com>
4367
4368 * fold-const.c (fold) [EQ_EXPR]: Place both integer and real
4369 constants last in comparisons. Optimize (x+1.0)>0.0 into the
4370 equivalent x > -1.0 when -ffast-math.
4371
4372 2002-06-07 Jason Thorpe <thorpej@wasabisystems.com>
4373
4374 * config.gcc (mips*-*-netbsd*): Add mips/t-netbsd to ${tmake_file}.
4375 * config/mips/t-netbsd: New file.
4376
4377 2002-06-07 Zack Weinberg <zack@codesourcery.com>
4378
4379 * cppinit.c (COMMAND_LINE_OPTIONS): Give all relevant -W
4380 options their own entries.
4381 (parse_option): Clarify comment.
4382 (cpp_handle_option): Remove 'ignore' parameter and OPT_W
4383 special case. Replace if/strcmp chain for -W options with
4384 use of new OPT_* entries for them.
4385 (cpp_handle_options): Update to match.
4386 * cpplib.h: Remove last parameter to cpp_handle_option from prototype.
4387 * c-decl.c: Update call to cpp_handle_option.
4388
4389 2002-06-07 Akim Demaille <akim@epita.fr>
4390
4391 * gengtype-yacc.y (optionseqopt): Add the ending `;' to the action.
4392 Whitespace changes.
4393
4394 2002-06-07 Jeffrey Law <law@redhat.com>
4395
4396 * sched-deps.c (free_deps): Avoid calling free_INSN_LIST_list
4397 on empty lists.
4398
4399 2002-06-07 H.J. Lu (hjl@gnu.org)
4400
4401 * configure.in: Add --enable-__cxa_atexit.
4402 * configure: Regenerated.
4403 * config.in: Likewise.
4404
4405 * defaults.h (DEFAULT_USE_CXA_ATEXIT): New. Defined to be 0 if
4406 not defined.
4407
4408 2002-06-07 Gabriel Dos Reis <gdr@merlin.nerim.net>
4409
4410 * diagnostic.c (diagnostic_build_prefix): Fix initialization.
4411
4412 2002-06-07 Jason Thorpe <thorpej@wasabisystems.com>
4413
4414 * config/mips/netbsd.h (CACHE_FLUSH_FUNC): Define.
4415
4416 2002-06-07 Jason Merrill <jason@redhat.com>
4417
4418 * cppexp.c (num_equality_op): Use a temporary variable to work
4419 around gcc 3.0.4 bug.
4420
4421 2002-06-07 Gabriel Dos Reis <gdr@codesourcery.com>
4422
4423 * diagnostic.c (diagnostic_build_prefix): Tidy.
4424
4425 2002-06-07 Neil Booth <neil@daikokuya.demon.co.uk>
4426
4427 * cpptrad.c (struct block, BLOCK_HEADER_LEN, BLOCK_LEN,
4428 scan_parameters, save_replacement_text, replacement_length): New.
4429 (scan_out_logical_line): Take a macro and save parameters if
4430 non-NULL.
4431 (_cpp_logical_line_trad): Update.
4432 (_cpp_create_trad_definition): Update to handle function-like
4433 macros.
4434 * cpplex.c (new_buff): Update.
4435 (struct dummy, DEFAULT_ALIGNMENT, CPP_ALIGN): Move...
4436 * cpphash.h: ...here.
4437 (CPP_ALIGN2, _cpp_save_parameter): New.
4438 * cppmacro.c (save_parameter): Rename, export.
4439 (parse_params): Update.
4440
4441 2002-06-07 Andreas Jaeger <aj@suse.de>
4442
4443 * config/mmix/mmix.c: Remove extra broken prototype for
4444 mmix_init_machine_status.
4445
4446 2002-06-06 Geoffrey Keating <geoffk@redhat.com>
4447
4448 * gengtype.c: Add comments before all the routines.
4449
4450 2002-06-07 Jason Thorpe <thorpej@wasabisystems.com>
4451
4452 * config.gcc (sh5*-*-netbsd*): Remove sh/t-netbsd-sh5-32
4453 from and add t-sh64 to ${tmake_file}.
4454 (sh64*-*-netbsd*): Add t-sh64 to ${tmake_file}.
4455 * config/sh/t-netbsd-sh5 (LIB1ASMFUNCS): Remove.
4456 * config/sh/t-netbsd-sh5-32: Remove.
4457 * config/sh/t-netbsd-sh5-64 (MULTILIB_OPTIONS): Use
4458 MULTILIB_ENDIAN.
4459 (MULTILIB_DIRNAMES): Define.
4460
4461 Thu Jun 6 23:14:46 CEST 2002 Jan Hubicka <jh@suse.cz>
4462
4463 * i386.md (and promoting splitters): Disable QI to SImode promoting
4464 when doing so changes immediate to be 32bit.
4465
4466 * rtl.h (emit_*_scope): Declare.
4467 * emit-rtl.c (emit_*_scope): New global functions.
4468 (try_split): Copy scope.
4469 * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants,
4470 noce_try_flag_inc, noce_try_store_flag_mask, noce_try_cmove,
4471 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
4472 noce_process_if_block, find_cond_trap): Copy scopes.
4473 * recog.c (peephole2_optimize): likewise.
4474
4475 2002-06-06 Jeffrey Law <law@redhat.com>
4476
4477 * h8300.h (OK_FOR_U): Fix thinko exposed by flag checking.
4478
4479 Thu Jun 6 21:06:25 2002 J"orn Rennecke <joern.rennecke@superh.com>
4480
4481 * gengtype-lex.l (INITIAL): New rule for "'"("\\".|[^\\])"'".
4482
4483 2002-06-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4484
4485 * Makefile.in (TEXI_GCCINSTALL_FILES): Define.
4486 ($(docdir)/gccinstall.info): New target.
4487 (info): Depend on it.
4488 (gccinstall.dvi): New target.
4489 (dvi): Depend on it.
4490 * doc/.cvsignore: Ignore new info files.
4491 * doc/install.texi (@setfilename): Reflect new info filename.
4492
4493 Thu Jun 6 15:57:23 2002 J"orn Rennecke <joern.rennecke@superh.com>
4494
4495 * sh.c (machine_dependent_reorg): Don't set RTX_UNCHANGING_P
4496 on an UNSPEC.
4497
4498 Thu Jun 6 07:17:43 2002 Nicola Pero <n.pero@mi.flashnet.it>
4499
4500 PR objc/6834
4501 * objc/objc-lang.c (LANG_HOOKS_GET_ALIAS_SET): Define to be
4502 c_common_get_alias_set.
4503 (LANG_HOOKS_SAFE_FROM_P): Define to be c_safe_from_p.
4504
4505 2002-06-06 John David Anglin <dave@hiauly1.hia.nrc.ca>
4506
4507 * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn): New
4508 functions.
4509 * rtl.h (get_first_nonnote_insn, get_last_nonnote_insn): Declare.
4510 * avr/avr.c (avr_output_function_epilogue): Use above to determine
4511 function size.
4512 * pa/pa.c (pa_output_function_prologue): Likewise.
4513
4514 2002-06-05 David S. Miller <davem@redhat.com>
4515
4516 * integrate.c (subst_constants): Handle 'B' RTL format.
4517
4518 2002-06-05 Eric Christopher <echristo@redhat.com>
4519
4520 * varasm.c (make_decl_rtl): Fix comment for removed
4521 halfpic.c.
4522
4523 2002-06-05 Eric Christopher <echristo@redhat.com>
4524
4525 * Makefile.in: Remove missed halfpic bits.
4526
4527 2002-06-05 Eric Christopher <echristo@redhat.com>
4528
4529 * toplev.c: Remove half-pic.
4530 * config/mips/mips.c: Ditto.
4531 * config/mips/mips.h: Ditto. Remove unused defines.
4532 * config/mips/openbsd.h: Update comment to reflect above.
4533 * config/mips/mips.md: Remove half-pic constraints.
4534 * halfpic.h: Delete.
4535 * halfpic.c: Ditto.
4536
4537 2002-06-05 Jeffrey Law <law@redhat.com>
4538
4539 * pa.h (EXTRA_CONSTRAINT, T case): Further refine so that it
4540 rejects (mem (lo_sum (reg) (unspec))), but will allow
4541 (mem (lo_sum (reg) (symbol_ref)) for PA2.0.
4542
4543 2002-06-05 Neil Booth <neil@daikokuya.demon.co.uk>
4544
4545 * cpphash.h (_cpp_create_definition): Update prototype.
4546 (_cpp_push_text_context, _cpp_create_trad_definition): New.
4547 ( cpp_lex_identifier_trad): New.
4548 (_cpp_set_trad_context): New.
4549 * cppinit.c (cpp_finish_options): Don't conditionalize builtins.
4550 * cpplib.c (SEEN_EOL): Update.
4551 (lex_macro_node): Update for -traditional.
4552 (cpp_push_buffer, _cpp_pop_buffer): Similarly.
4553 * cppmacro.c (_cpp_create_definition): Split into
4554 create_iso_definition() and _cpp_create_trad_definition().
4555 (warn_of_redefinition): Update prototype; handle traditional
4556 macros.
4557 (_cpp_push_text_context): New.
4558 * cpptrad.c (skip_whitespace, push_replacement_text): New.
4559 (lex_identifier): Call ht_lookup with correct start.
4560 (_cpp_lex_identifier_tradm _cpp_create_trad_definition,
4561 _cpp_set_trad_context): New.
4562 (scan_out_logical_line): Update to handle changing contexts.
4563
4564 Wed Jun 5 20:42:31 2002 J"orn Rennecke <joern.rennecke@superh.com>
4565
4566 * config.gcc (sh-*-elf*, sh64*-*-elf*): Unify.
4567 (shl*-*-elf*): Add.
4568 * config/sh/t-be (MULTILIB_ENDIAN): Set.
4569 * config/sh/t-le (MULTILIB_ENDIAN): Likewise.
4570 * t-sh (MULTILIB_ENDIAN): Set.
4571 (MULTILIB_OPTIONS): Use it.
4572 * t-sh64 (MULTILIB_OPTIONS): Likewise.
4573 (MULTILIB_DIRNAMES): Likewise.
4574
4575 2002-06-05 Gabriel Dos Reis <gdr@codesourcery.com>
4576
4577 * toplev.h (report_error_function): Remove.
4578
4579 * diagnostic.h (location_t): New datatype.
4580 (text_info): Likewise.
4581 (diagnostic_info): Likewise.
4582 (output_prefix): New macro.
4583 (diagnostic_last_function_changed): Likewise.
4584 (diagnostic_set_last_function): Likewise.
4585 (diagnostic_last_module_changed): Likewise.
4586 (diagnostic_set_last_module): Likewise.
4587 (report_diagnostic): Now macro.
4588 (diagnostic_set_info): Declare.
4589
4590 * diagnostic.c (report_problematic_module): Rename to
4591 diagnostic_repor_current_module.
4592 (set_diagnostic_context): Remove.
4593 (count_error): Rename to diagnostic_error_count.
4594 (error_function_changed): Remove.
4595 (record_last_error_function): Likewise.
4596 (error_module_changed): Likewise.
4597 (record_last_error_module): Likewise.
4598 (context_as_prefix): Rename to diagnostic_build_prefix.
4599 (flush_diagnostic_buffer): Rename to diagnostic_flush_buffer.
4600 (diagnostic_set_info): New function.
4601
4602 * objc/objc-act.c: #include diagnostic.h
4603 (error_with_ivar): Adjust call to count_error.
4604 (warn_with_method): Likewise.
4605 * objc/Make-lang.in (objc-act.o): Depend on diagnostic.h
4606
4607 2002-06-05 Bob Wilson <bob.wilson@acm.org>
4608
4609 * config/xtensa/xtensa.c (xtensa_build_va_list): Use
4610 lang_hooks.types.make_type instead of make_node; set up
4611 __va_list_tag type decl.
4612 (xtensa_builtin_saveregs): Remove broken use of
4613 RTX_UNCHANGING_P and unnecessary use of MEM_IN_STRUCT_P
4614 for saved registers; add varargs alias set.
4615
4616 2002-06-05 Neil Booth <neil@daikokuya.demon.co.uk>
4617
4618 config:
4619 * alpha/gnu.h: Undef TARGET_OS_CPP_BUILTINS.
4620 * i386/beos-elf.h: Use TARGET_OS_CPP_BUILTINS rather than
4621 CPP_PREDEFINES and part of CPP_SPEC.
4622 i386/freebsd-aout.h, i386/gas.h, i386/gnu.h, i386/linux-aout.h,
4623 i386/linux.h, i386/moss.h, i386/xm-vsta.h: Similarly.
4624
4625 Wed Jun 5 15:20:58 CEST 2002 Jan Hubicka <jh@suse.cz>
4626
4627 * reg-stack.c (reg_to_stack): Do not call find_basic_blocks.
4628
4629 2002-06-05 Alan Modra <amodra@bigpond.net.au>
4630
4631 * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Define.
4632
4633 2002-06-04 Zack Weinberg <zack@codesourcery.com>
4634
4635 * gengtype-yacc.y: Make sure all rules end with a semicolon.
4636
4637 2002-06-04 Bob Wilson <bob.wilson@acm.org>
4638
4639 * config/xtensa/xtensa.c (xtensa_init_machine_status): Fix
4640 typo in function prototype and include "ggc.h" header.
4641
4642 2002-06-04 Richard Henderson <rth@redhat.com>
4643
4644 * config/alpha/alpha.c (mode_mask_operand): Simplify without ifdefs.
4645 (print_operand) ['U']: Likewise.
4646 (alpha_expand_unaligned_store): Correct constants for 32-bit cross.
4647 (alpha_expand_unaligned_store_words): Likewise.
4648 (alpha_expand_builtin_vector_binop): Fix typo.
4649 (enum alpha_builtin, code_for_builtin): Add remaining ext, ins, msk,
4650 umulh, and cix insns.
4651 (one_arg_builtins): Add cix builtins.
4652 (two_arg_builtins): Add ext, ins, msk, umulh builtins.
4653 (alpha_expand_builtin): Fix typo in arity.
4654 * config/alpha/alpha.md (UNSPEC_CTLZ, UNSPEC_CTPOP): New.
4655 (builtin_extbl, builtin_extwl, builtin_extll, builtin_extwh,
4656 builtin_extlh, builtin_insbl, builtin_inswl, builtin_insll,
4657 builtin_insql, builtin_inswh, builtin_inslh, builtin_insqh,
4658 builtin_mskbl, builtin_mskwl, builtin_mskll, builtin_mskql,
4659 builtin_mskwh, builtin_msklh, builtin_mskqh, builtin_cttz,
4660 builtin_ctlz, builtin_ctpop): New.
4661 * doc/extend.texi (Alpha Built-in Functions): Update.
4662
4663 2002-06-04 Geoffrey Keating <geoffk@redhat.com>
4664
4665 * gengtype.c (write_gc_root): Don't unnecessarily prevent
4666 global variable-length arrays being roots.
4667
4668 * config.gcc (powerpc-*-darwin*): Set config_gtfiles.
4669 * configure.in (config_gtfiles): New variable.
4670 (all_gtfiles): Initialise from config_gtfiles.
4671 * configure: Regenerate.
4672
4673 2002-06-04 Neil Booth <neil@daikokuya.demon.co.uk>
4674
4675 config/i386:
4676 * beos-elf.h, cygwin.h, djgpp.h, gas.h, gnu.h, i386-interix.h,
4677 i386-interix3.h, i386elf.h, linux-aout.h, linux.h, linux64.h,
4678 mingw32.h, netbsd-elf.h, netbsd.h, netbsd64.h, rtemself.h,
4679 sco5.h, sol2.h, sysv3.h, sysv4.h, sysv5.h, uwin.h, vxi386.h,
4680 win32.h (CPP_SPEC): Remove cpp_cpu.
4681 * i386.h (TARGET_CPU_CPP_BUILTINS): Use.
4682 (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Die!
4683
4684 2002-06-04 Janis Johnson <janis187@us.ibm.com>
4685
4686 * config/ia64/ia64.c (gen_thread_pointer): Fix variable name.
4687
4688 2002-06-04 Jeff Law <law@redhat.com.
4689 David Edelsohn <edelsohn@gnu.org>
4690 Michael Matz <matz@kde.org>
4691
4692 * sched-int.h (struct deps): New field libcall_block_tail_insn.
4693 * sched_deps.c (init_deps): Initialize libcall_block_tail_insn.
4694 * sched_deps.c (sched_analyze_insn): If libcall_block_tail_insn
4695 is set, then mark the current insn as being part of a libcall
4696 scheduling group.
4697 (sched_analyze): Set and clear libcall_block_tail_insn appropriately.
4698
4699 * haifa-sched.c (schedule_block): Do not count USE or CLOBBER
4700 insns against the issue rate.
4701
4702 Tue Jun 4 19:29:42 CEST 2002 Jan Hubicka <jh@suse.cz>
4703
4704 * cfglayout.c (duplicate_insn_chain): Kill NOTE_INSN_RANGE notes.
4705 * final.c (final_scan_insn): Likewise.
4706 * ggc-common.c (ggc_mark_rtx_children_1): Likewise; use
4707 NOTE_EXPECTED_VALUE instead of NOTE_RANGE.
4708 * haifa-sched.c (unlink_other_notes): Likeewise.
4709 (reemit_notes): Likewise.
4710 * print-rtl.c (print_rtx): Likewise.
4711 * sched-deps (sched-analyze): Likewise.
4712 * rtl.c (note_insn_name): Likewise.
4713 * rtl.h (NOTE_RANGE_INFO, NOTE_LIVE_INFO): Kill.
4714 (enum insn_note): Kill NOTE_INSN_RANGE_*, NOTE_INSN_LIVE.
4715 (RANGE_*): Kill.
4716
4717 2002-06-04 Jason Thorpe <thorpej@wasabisystems.com>
4718
4719 * varasm.c (mark_constants): Handle RTX format 'B'.
4720
4721 2002-06-04 Neil Booth <neil@daikokuya.demon.co.uk>
4722
4723 * cpphash.h (FIRST, LAST, CUR, RLIMIT): New.
4724 (struct cpp_context): Add traditional fields.
4725 * cppmacro.c (paste_all_tokens, push_ptoken_context,
4726 push_token_context, cpp_get_token, _cpp_backup_tokens): Update.
4727 * cpptrad.c (skip_comment, lex_identifier,
4728 _cpp_read_logical_line_trad, scan_out_logical_line): Update.
4729
4730 2002-06-04 Kazu Hirata <kazu@cs.umass.edu>
4731
4732 * gbl-ctors.h: Fix formatting.
4733 * gcc.c: Likewise.
4734 * gccspec.c: Likewise.
4735 * gcov.c: Likewise.
4736 * gcov-io.h: Likewise.
4737 * gcse.c: Likewise.
4738 * ggc-common.c: Likewise.
4739 * ggc.h: Likewise.
4740 * ggc-page.c: Likewise.
4741 * ggc-simple.c: Likewise.
4742 * global.c: Likewise.
4743 * graph.h: Likewise.
4744 * gthr-dce.h: Likewise.
4745 * gthr.h: Likewise.
4746 * gthr-posix.h: Likewise.
4747 * gthr-rtems.h: Likewise.
4748 * gthr-solaris.h: Likewise.
4749 * gthr-win32.h: Likewise.
4750
4751 2002-06-03 Geoffrey Keating <geoffk@redhat.com>
4752
4753 Merge from pch-branch:
4754
4755 * gengtype.h (UNION_OR_STRUCT_P): New macro.
4756 * gengtype.c (write_gc_structure_fields): Use it.
4757 (write_gc_root): Use it here too.
4758
4759 * gengtype.c (write_gc_structure_fields): Assume that lengths
4760 of typenames fit into an 'int'; don't pass a size_t to "%d" in
4761 printf.
4762 (write_gc_marker_routine_for_structure): Likewise.
4763 (write_gc_types): Likewise.
4764 (write_gc_root): Likewise.
4765
4766 * varray.h (VARRAY_CLEAR): New.
4767 (varray_clear): Prototype.
4768 * varray.c (varray_clear): New.
4769 * cselib.c (reg_values_old): New.
4770 (used_regs_old): New.
4771 (cselib_init): Use cached varrays if available to avoid
4772 generating large amounts of garbage.
4773 (cselib_finish): Don't throw away old varrays.
4774
4775 * final.c (insn_addresses_): Move out of ifdef.
4776
4777 * varray.c (uses_ggc): Make more varray kinds GCable.
4778 * varray.h (union varray_data_tag): Let gengtype see
4779 fields 'generic' and 'te'.
4780 * reg-stack.c: Include gt-reg-stack.h, ggc.h.
4781 (stack_regs_mentioned_data): Move out of ifdef; mark with gengtype.
4782 (reg_to_stack): Don't call VARRAY_FREE.
4783 * insn-addr.h (INSN_ADDRESSES_FREE): Don't use VARRAY_FREE.
4784 (insn_addresses_): Use gengtype to mark.
4785 * gengtype.c (write_gc_structure_fields): Handle arrays of generic
4786 pointers; handle generic pointers in unused union fields.
4787 (get_output_file_with_visibility): Include cselib.h,
4788 insn-addr.h in gtype-desc.c.
4789 * function.c (prologue): Use gengtype to mark.
4790 (epilogue): Likewise.
4791 (sibcall_epilogue): Likewise.
4792 * dependence.c: Include gt-dependence.h, ggc.h.
4793 (struct def_use): Use gengtype to mark.
4794 (struct loop): Likewise.
4795 (struct induction): Likewise.
4796 (struct dependence): Likewise.
4797 (def_use_chain): Likewise.
4798 (dep_chain): Likewise.
4799 (loop_chain): Likewise.
4800 (induction_chain): Likewise.
4801 (init_dependence_analysis): Don't free anything, just clear pointers.
4802 (build_def_use): Use GGC to allocate def_use.
4803 (add_loop): Use GGC to allocate loop.
4804 (find_induction_variable): Use GGC to allocate induction.
4805 (check_node_dependence): Use GGC to allocate induction, dependence.
4806 (dump_node_dependence): Don't free varrays.
4807 (end_dependence_analysis): Likewise.
4808 * cselib.h (struct cselib_val_struct): Use gengtype to mark.
4809 (struct elt_loc_list): Likewise.
4810 (struct elt_list): Likewise.
4811 * cselib.c: Don't include obstack.h.
4812 (hash_table): Use gengtype to mark.
4813 (reg_values): Use gengtype to mark.
4814 (used_regs): Use gengtype to mark.
4815 (cselib_obstack): Delete.
4816 (cselib_startobj): Delete.
4817 (empty_vals): Mark as deletable.
4818 (empty_elt_lists): Mark as deletable.
4819 (empty_elt_loc_lists): Mark as deletable.
4820 (new_elt_list): Use GGC to allocate struct elt_list.
4821 (new_elt_loc_list): Use GGC to allocate struct elt_loc_list.
4822 (clear_table): Don't delete obstack; don't unnecessarily clear
4823 deletable variables.
4824 (new_cselib_val): Use GGC to allocate struct cselib_val.
4825 (cselib_init): Don't set up obstacks. Use GGC to allocate
4826 hash table.
4827 (cselib_finish): Just clear variables, don't free anything.
4828 * Makefile.in (cselib.o): Remove dependency on $(OBSTACK_H).
4829 (reg-stack.o): Add dependency on gt-reg-stack.h, $(GGC_H).
4830 (dependence.o): Add dependency on gt-dependence.h, $(GGC_H).
4831 (GTFILES): Add insn-addr.h, cselib.h, dependence.c, reg-stack.c.
4832 (gt-reg-stack.h): New rule.
4833 (gt-dependence.h): New rule.
4834 (gtype-desc.o): Add cselib.h, insn-addr.h.
4835
4836 * varray.c: Use only necessary headers.
4837 (element_size): New.
4838 (uses_ggc): New.
4839 (varray_init): Take type, not size. Use GGC if appropriate.
4840 (varray_grow): Update for change to struct varray_head_tag.
4841 Use GGC if appropriate.
4842 * varray.h (struct const_equiv_data): Use gengtype.
4843 (enum varray_data_enum): New.
4844 (union varray_data_tag): Use gengtype.
4845 (struct varray_head_tag): Use gengtype. Replace size field with
4846 enum varray_data_enum.
4847 (varray_init): Update prototype.
4848 (VARRAY_SCHED_INIT): Delete.
4849 (VARRAY_*_INIT): Update for change to varray_init.
4850 (VARRAY_SCHED): Delete.
4851 (VARRAY_PUSH_SCHED): Delete.
4852 (VARRAY_TOP_SCHED): Delete.
4853 * tree.h: Update for change to length specifier.
4854 * tree-inline.c (optimize_inline_calls): Don't use VARRAY_FREE.
4855 (clone_body): Likewise.
4856 * ssa.h (ssa_definition): Use gengtype to mark.
4857 * ssa.c (convert_from_ssa): Don't use VARRAY_FREE.
4858 * ssa-dce.c (ssa_eliminate_dead_code): Don't use VARRAY_FREE.
4859 * rtl.h (struct rtvec_def): Update for change to length specifier.
4860 * integrate.c (expand_inline_function): Don't use VARRAY_FREE.
4861 (struct initial_value_struct): Update for change to length specifier.
4862 * ggc.h (ggc_add_rtx_varray_root): Delete prototype.
4863 (ggc_add_tree_varray_root): Delete prototype.
4864 (ggc_mark_rtx_varray): Delete prototype.
4865 (ggc_mark_tree_varray): Delete prototype.
4866 * ggc-common.c (ggc_add_rtx_varray_root): Delete.
4867 (ggc_add_tree_varray_root): Delete.
4868 (ggc_mark_rtx_varray): Delete.
4869 (ggc_mark_tree_varray): Delete.
4870 (ggc_mark_rtx_varray_ptr): Delete.
4871 (ggc_mark_tree_varray_ptr): Delete.
4872 * gengtype.h (enum typekind): Remove TYPE_VARRAY.
4873 (create_varray): Delete prototype.
4874 * gengtype.c (varrays): Delete.
4875 (create_varray): Delete.
4876 (adjust_field_type): Detect array of string pointers.
4877 (process_gc_options): Remove code to handle varray_type option.
4878 (set_gc_used_type): Remove TYPE_VARRAY case.
4879 (output_escaped_param): New.
4880 (write_gc_structure_fields): Use output_escaped_param on all
4881 parameters. Handle 'skip' with 'use_param' option. Handle
4882 arrays of strings. Remove TYPE_VARRAY handling.
4883 (write_gc_roots): Use boolean to detect 'length' option.
4884 * gengtype-yacc.y (VARRAY_TYPE): Delete token.
4885 (struct_fields): Call adjust_field_type on array fields.
4886 (type): Remove VARRAY_TYPE case.
4887 (type_option): Likewise.
4888 * gengtype-lex.l: Don't consider varray_type a keyword.
4889 * function.h: Update for change to length specifier.
4890 (free_eh_status): Delete prototype.
4891 * function.c (free_after_compilation): Don't call free_eh_status.
4892 (reorder_blocks): Don't use VARRAY_FREE.
4893 * except.c (struct eh_status): Update for change to length specifier.
4894 remove varray_type specifier.
4895 (free_eh_status): Delete.
4896 * dwarf2out.c: Include gt-dwarf2out.h.
4897 (used_rtx_varray): Use gengtype to mark, move
4898 outside ifdefs.
4899 (incomplete_types): Likewise.
4900 (decl_scope_table): Likewise.
4901 (dwarf2out_init): Don't call ggc_add_tree_varray_root.
4902 * cfglayout.c (scope_to_insns_finalize): Don't use VARRAY_FREE.
4903 * c-tree.h (struct lang_type): Update for change to length specifier.
4904 * c-parse.in (yylexstring): Don't use VARRAY_FREE.
4905 * c-objc-common.c: Include gt-c-objc-common.h.
4906 (deferred_fns): Mark for gengtype.
4907 (c_objc_common_init): Don't call ggc_add_tree_varray_root.
4908 (expand_deferred_fns): Just set deferred_fns to 0 to free it.
4909 * Makefile.in (c-objc-common.o): Add gt-c-objc-common.h.
4910 (gtype-desc.o): Update dependencies.
4911 (dwarf2out.o): Add gt-dwarf2out.h.
4912 (varray.o): Update dependencies.
4913 (GTFILES): Add varray.h, ssa.h, dwarf2out.c, c-objc-common.c.
4914 (gt-c-objc-common.h): New rule.
4915 (gt-dwarf2out.h): New rule.
4916 * objc/objc-act.c (build_objc_string_object): Don't use VARRAY_FREE.
4917
4918 * doc/gty.texi (GTY Options): Correct spelling.
4919 (GGC Roots): Likewise.
4920 * Makefile.in (TEXI_CPP_FILES): New.
4921 (TEXI_GCC_FILES): New.
4922 (TEXI_GCCINT_FILES): New.
4923 (TEXI_CPPINT_FILES): New.
4924 ($(docdir)/cpp.info): Use new macros.
4925 ($(docdir)/gcc.info): Likewise.
4926 ($(docdir)/gccint.info): Likewise.
4927 ($(docdir)/cppinternals.info): Likewise.
4928 (cpp.dvi): Likewise.
4929 (gcc.dvi): Likewise.
4930 (gccint.dvi): Likewise.
4931 (cppinternals.dvi): Likewise.
4932
4933 * Makefile.in ($(docdir)/gccint.info): Depend on gty.texi.
4934 * doc/gccint.texi (Top): Include gty.texi.
4935 * doc/gty.texi: New file.
4936
4937 * bitmap.c: Include ggc.h, gt-bitmap.h.
4938 (bitmap_ggc_free): New.
4939 (bitmap_elem_to_freelist): New.
4940 (bitmap_element_free): Use bitmap_elem_to_freelist.
4941 (bitmap_element_allocate): Allow use of GGC.
4942 (bitmap_clear): Use bitmap_elem_to_freelist.
4943 (bitmap_copy): Update for change to bitmap_element_allocate.
4944 (bitmap_set_bit): Likewise.
4945 (bitmap_operation): Update for changes elsewhere.
4946 (bitmap_initialize): Allow to create bitmaps that will use GGC.
4947 * bitmap.h (struct bitmap_element_def): Use gengtype.
4948 (struct bitmap_head_def): Likewise. Also add 'using_obstack' field.
4949 (bitmap_initialize): Add extra parameter.
4950 (BITMAP_OBSTACK_ALLOC): Update for change to bitmap_initialize.
4951 (BITMAP_ALLOCA): Delete.
4952 (BITMAP_XMALLOC): Update for change to bitmap_initialize.
4953 (BITMAP_GGC_ALLOC): New.
4954 * Makefile.in (gtype-desc.o): Add bitmap.h.
4955 (bitmap.o): Add gt-bitmap.h, $(GGC_H).
4956 (GTFILES): Add bitmap.c.
4957 (gt-bitmap.h): New rule.
4958 ($(HOST_PREFIX_1)bitmap.o): Add gt-bitmap.h.
4959 * basic-block.h: Update for changes to bitmap_initialize.
4960 * except.c (exception_handler_label_map): Move into...
4961 (struct eh_status): Here.
4962 (struct eh_region): Make 'aka' GCable.
4963 (free_eh_status): Don't need to specially handle
4964 exception_handler_label_map.
4965 (add_ehl_entry): Update for changes to exception_handler_label_map.
4966 (find_exception_handler_labels): Likewise.
4967 (remove_exception_handler_label): Likewise.
4968 (maybe_remove_eh_handler): Likewise.
4969 (for_each_eh_label): Likewise.
4970 (remove_eh_handler): Allocate 'aka' using GGC.
4971 * gengtype.c (get_output_file_with_visibility): Add bitmap.h
4972 to list of includes.
4973
4974 * gengtype.c (write_gc_marker_routine_for_structure): Name
4975 the routines 'gt_ggc_mx_*' instead of 'gt_ggc_m_*'.
4976 (write_gc_types): Arrange for the tests with NULL to be inlined.
4977 (write_gc_roots): Update uses of procedure pointers.
4978 * ggc-common.c (gt_ggc_mx_rtx_def): Rename from gt_ggc_m_rtx_def.
4979
4980 * Makefile.in (explow.o): Add dependency on gt-explow.h.
4981 (sdbout.o): Add dependency on gt-sdbout.h.
4982
4983 * emit-rtl.c (const_int_htab): Use gengtype to clear unused entries.
4984 (mem_attrs_htab): Likewise.
4985 (init_emit_once): Don't call ggc_add_deletable_htab.
4986 * fold-const.c (size_htab): Use gengtype to clear unused entries.
4987 (size_int_type_wide): Don't call ggc_add_deletable_htab.
4988 * gengtype.c (finish_root_table): Add LASTNAME and TNAME
4989 parameters, use them, change callers.
4990 (write_gc_root): Add IF_MARKED parameter, use it, change callers.
4991 (write_gc_roots): Handle 'if_marked' option.
4992 (main): Don't need to call set_gc_used_type any more.
4993 * ggc.h (ggc_htab_marked_p): Delete.
4994 (ggc_htab_mark): Delete.
4995 (struct ggc_cache_tab): New.
4996 (gt_ggc_cache_rtab): New declaration.
4997 * ggc-common.c (struct d_htab_root): Delete.
4998 (d_htab_roots): Delete.
4999 (ggc_add_deletable_htab): Delete.
5000 (ggc_htab_delete): Handle new htab-deleting mechanism.
5001 (ggc_mark_roots): Use new htab-deleting mechanism.
5002 * tree.c (type_hash_table): Use gengtype to clear unused entries.
5003 Make static.
5004 (init_obstacks): Don't call ggc_add_deletable_htab.
5005
5006 * objc/objc-act.h (struct hashed_attribute): Use gengtype.
5007 (struct hashed_entry): Likewise.
5008 (nst_method_hash_list): Likewise.
5009 (cls_method_hash_list): Likewise.
5010 (HASH_ALLOC_LIST_SIZE): Delete.
5011 (ATTR_ALLOC_LIST_SIZE): Delete.
5012 * objc/objc-act.c (hash_init): Use ggc to allocate
5013 nst_method_hash_list, cls_method_hash_list.
5014 (hash_enter): Use ggc to allocate; allocate one entry at a time.
5015 (hash_add_attr): Likewise.
5016 (ggc_mark_hash_table): Delete.
5017 (objc_act_parse_init): Delete.
5018 (objc_init): Delete reference to objc_act_parse_init.
5019 * tlink.c: Replace hash.h with hashtab.h. Explicitly include
5020 obstack.h. Replace references to 'struct hash_table' with htab_t.
5021 (struct symbol_hash_entry): Replace hash header with key field.
5022 (struct file_hash_entry): Replace hash header with key field.
5023 (struct demangled_hash_entry): Replace hash header with key field.
5024 (hash_string_eq): New.
5025 (hash_string_hash): New.
5026 (symbol_hash_newfunc): Delete.
5027 (symbol_hash_lookup): Modify to use htab_t.
5028 (file_hash_newfunc): Delete.
5029 (file_hash_lookup): Modify to use htab_t.
5030 (demangled_hash_newfunc): Delete.
5031 (demangled_hash_lookup): Modify to use htab_t.
5032 (tlink_init): Modify to use htab_t.
5033 * hash.h: Delete.
5034 * hash.c: Delete.
5035 * ggc.h: Delete forward structure declarations.
5036 Delete prototypes for deleted functions.
5037 * ggc-common.c: Don't include hash.h.
5038 (ggc_add_tree_hash_table_root): Delete.
5039 (ggc_mark_tree_hash_table_entry): Delete.
5040 (ggc_mark_tree_hash_table): Delete.
5041 (ggc_mark_tree_hash_table_ptr): Delete.
5042 * gengtype.c (write_gc_structure_fields): Allow param_is option.
5043 (write_gc_marker_routine_for_structure): Use visibility of
5044 the parameter if there is one.
5045 * function.c: Replace hash.h with hashtab.h. Replace references
5046 to 'struct hash_table *' with htab_t.
5047 (struct insns_for_mem_entry): Include a plain key.
5048 (fixup_var_refs_insns_with_hash): Update to use htab_t.
5049 (insns_for_mem_newfunc): Delete.
5050 (insns_for_mem_hash): Update to use htab_t.
5051 (insns_for_mem_comp): Likewise.
5052 (insns_for_mem_walk): Likewise.
5053 * c-lang.c: Include ggc.h.
5054 * Makefile.in (OBJS): Remove hash.o.
5055 (c-lang.o): Add GGC_H.
5056 (COLLECT2_OBJS): Remove hash.o.
5057 (tlink.o): Remove hash.h, add HASHTAB_H and OBSTACK_H.
5058 (ggc-common.o): Remove hash.h.
5059 (function.o): Remove hash.h, add HASHTAB_H.
5060 (genautomata.o): Remove hash.h, add HASHTAB_H.
5061
5062 * varasm.c (mark_const_str_htab_1): Delete.
5063 (mark_const_str_htab): Delete.
5064 (const_str_htab_del): Delete.
5065 (const_str_htab): Use gengtype to mark.
5066 (init_varasm_once): Use gengtype to mark hashtables. Use GC to
5067 allocate them.
5068 * tree.c (mark_tree_hashtable_entry): Delete.
5069 (mark_tree_hashtable): Delete.
5070 * tree.h (mark_tree_hashtable): Delete prototype.
5071 * ggc.h (ggc_test_and_set_mark): Treat (void *)1 like NULL.
5072 (ggc_mark): Likewise.
5073 (ggc_calloc): New.
5074 (htab_create_ggc): New.
5075 * ggc-common.c (ggc_calloc): New.
5076 * gengtype.h (enum typekind): Add TYPE_PARAM_STRUCT.
5077 (struct type): Add param_struct structure.
5078 * gengtype.c (param_structs): New.
5079 (adjust_field_type): Handle param_is option.
5080 (set_gc_used_type): Handle TYPE_PARAM_STRUCT.
5081 (get_output_file_with_visibility): Include hashtab.h in gtype-desc.c.
5082 (write_gc_structure_fields): Add new PARAM parameter. Update
5083 callers. Handle use_param option. Handle TYPE_PARAM_STRUCT.
5084 (write_gc_marker_routine_for_structure): Add new PARAM parameter.
5085 Use it to generate function name. Update callers.
5086 (write_gc_types): Add new PARAM_STRUCTS parameter. Update callers.
5087 Process them.
5088 (write_gc_roots): Handle TYPE_PARAM_STRUCT. Allow param_is
5089 option.
5090 (main): Define PTR as pointer-to-scalar. Don't specially
5091 mark deferred_string or ehl_map_entry.
5092 * gengtype-yacc.y (PARAM_IS): Add new token.
5093 (externstatic): Use adjust_field_type.
5094 (type_option): Add PARAM_IS.
5095 * gengtype-lex.l: Add rule for typedef of function pointers.
5096 Add rule for PARAM_IS.
5097 (IWORD): Add size_t.
5098 * except.c (exception_handler_label_map): Use gengtype to mark.
5099 (type_to_runtime_map): Likewise.
5100 (mark_ehl_map_entry): Delete.
5101 (mark_ehl_map): Delete.
5102 (init_eh): Use gengtype for roots; use GC to allocate hash tables.
5103 (t2r_mark_1): Delete.
5104 (t2r_mark): Delete.
5105 * Makefile.in (gtype-desc.o): Correct dependencies.
5106 (GTFILES): Add hashtab.h.
5107 (genautomata.o): Actually uses hashtab.h.
5108
5109 * Makefile.in (stringpool.o): Add $(GGC_H).
5110 (dwarf2asm.o): Likewise.
5111 (GTFILES): Add hashtable.h.
5112 * c-common.h (struct c_common_identifier): Use gengtype.
5113 * c-decl.h (c_mark_tree): Delete.
5114 * c-lang.c (LANG_HOOKS_MARK_TREE): Delete.
5115 * c-tree.h (struct lang_identifier): Use gengtype.
5116 (union lang_tree_node): New.
5117 (c_mark_tree): Delete prototype.
5118 * dwarf2out.c [!DWARF2_DEBUGGING_INFO]: Define dummy
5119 dwarf2_debug_hooks.
5120 * gengtype-lex.l (IWORD): Allow 'bool'.
5121 (ptr_alias): Match.
5122 * gengtype-yacc.y (ALIAS): New token.
5123 (type_option): New rule.
5124 (option): Use type_option.
5125 * gengtype.c (process_gc_options): New.
5126 (set_gc_used_type): Use it.
5127 (write_gc_structure_fields): Add 'bitmap' parameter, change callers.
5128 Add new variable 't' to hold the type of the field being processed.
5129 Add more error checking. Use UNION_P when looking at 'desc' option.
5130 Handle language-specific structures containing other
5131 language-specific structures.
5132 (write_gc_types): Handle 'ptr_alias' option.
5133 (main): Don't need to specially output lang_type, lang_decl, lang_id2.
5134 * ggc-common.c (ggc_pending_trees): Delete.
5135 (ggc_mark_roots): Don't manipulate ggc_pending_trees.
5136 (ggc_mark_trees): Delete.
5137 (gt_ggc_m_tree_node): Delete.
5138 * ggc.h (ggc_pending_trees): Delete.
5139 (ggc_mark_tree): Make alias of gt_ggc_m_tree_node.
5140 * hashtable.h (ht_identifier): Use gengtype.
5141 * langhooks-def.h (LANG_HOOKS_MARK_TREE): Delete.
5142 * langhooks.h (struct lang_hooks): Delete mark_tree.
5143 * sdbout.c [! SDB_DEBUGGING_INFO]: Define dummy sdb_debug_hooks
5144 anyway.
5145 * system.h: Poison LANG_HOOKS_MARK_TREE.
5146 * tree.c (tree_node_structure): New.
5147 * tree.h (struct tree_common): Use gengtype.
5148 (struct tree_int_cst): Likewise.
5149 (struct tree_real_cst): Likewise.
5150 (struct tree_string): Likewise.
5151 (struct tree_complex): Likewise.
5152 (struct tree_vector): Likewise.
5153 (struct tree_identifier): Likewise.
5154 (struct tree_list): Likewise.
5155 (struct tree_vec): Likewise.
5156 (struct tree_exp): Likewise.
5157 (struct tree_block): Likewise.
5158 (struct tree_type): Likewise.
5159 (struct tree_decl): Likewise.
5160 (enum tree_structure_enum): New.
5161 (union tree_node): Use gengtype, with an alias.
5162 (tree_node_structure): Prototype.
5163 * objc/objc-lang.c (LANG_HOOKS_MARK_TREE): Delete.
5164
5165 Merge to tag pch-merge-20020430. The LANG_HOOKS_FUNCTION_MARK
5166 macro was deleted. The LANG_HOOKS_FUNCTION_FREE macro was renamed
5167 to LANG_HOOKS_FUNCTION_FINAL.
5168 * Makefile.in (GTFILES): Add bitmap.h.
5169 * except.c (struct eh_region): Mark field 'aka' to be skipped.
5170
5171 * config/alpha/alpha.c [TARGET_ABI_UNICOSMK]
5172 (alpha_init_machine_status): Give proper type.
5173 * Makefile.in (c-lang.o): Depend on gtype-c.h.
5174 (optabs.o): Depend on gt-optabs.h.
5175 (GTFILES): Add optabs.o.
5176 (gt-optabs.h): Add rule.
5177 * optabs.c: Include gt-optabs.h.
5178
5179 * gengtype.c (set_gc_used_type): Correct some errors in last change.
5180 (write_gc_structure_fields): If a field which should be NULL is
5181 not, abort.
5182 * c-pragma.c: Move struct align_stack and variable alignment_stack
5183 out from the ifdef.
5184
5185 * config/xtensa/t-xtensa: Add dependencies for gt-xtensa.h.
5186 * config/xtensa/xtensa.c: Include gt-cris.h.
5187 (struct machine_function): Use gengtype to mark.
5188 * config/mmix/mmix.h (struct machine_function): Use gengtype
5189 to mark.
5190 * config/cris/t-cris: Add dependencies for gt-cris.h.
5191 * config/cris/cris.c: Include gt-cris.h.
5192 (struct machine_function): Use gengtype to mark.
5193 * config/rs6000/rs6000.h (struct machine_function): Use gengtype
5194 to mark.
5195 * doc/tm.texi (Per-Function Data): Delete references to
5196 mark_machine_status.
5197 * config/ia64/ia64.c (ia64_override_options): Don't set
5198 mark_machine_status.
5199 * config/i386/i386.c (override_options): Likewise.
5200 * config/d30v/d30v.c (d30v_init_expanders): Likewise.
5201 * config/arm/arm.c (arm_init_expanders): Likewise.
5202 * config/alpha/alpha.c (override_options): Likewise.
5203 * gengtype.h (enum gc_used_enum): Add GC_MAYBE_POINTED_TO.
5204 * gengtype.c (set_gc_used_type): Handle 'maybe_null' option.
5205 (write_gc_structure_fields): Don't handle 'really' option.
5206 Handle 'maybe_null' option.
5207 (write_gc_types): Handle 'maybe_null' option.
5208 * function.h (struct function): Don't use "really".
5209 (mark_machine_status): Delete declaration.
5210 (mark_lang_status): Delete declaration.
5211 (gt_ggc_mr_machine_function): Delete prototype.
5212 (gt_ggc_mr_language_function): Delete prototype.
5213 * function.c (mark_machine_status): Delete.
5214 (mark_lang_status): Delete.
5215 (gt_ggc_mr_machine_function): Delete.
5216 (gt_ggc_mr_language_function): Delete.
5217 * c-tree.h (mark_c_function_context): Delete prototype.
5218 * c-objc-common.c (c_objc_common_init): Don't set mark_lang_status.
5219 * c-decl.c (struct language_function): Rename from struct
5220 c_language_function. Update uses. Use gengtype to mark.
5221 (mark_c_function_context): Delete.
5222 * c-common.h (struct c_language_function): Rename from struct
5223 language_function.
5224 (mark_stmt_tree): Delete prototype.
5225 (c_mark_lang_decl): Delete prototype.
5226 (mark_c_language_function): Delete prototype.
5227 * c-common.c (mark_stmt_tree): Delete.
5228 (c_mark_lang_decl): Delete.
5229 (mark_c_language_function): Delete.
5230
5231 * gengtype.h (enum typekind): Add TYPE_LANG_STRUCT.
5232 (lang_bitmap): New typedef. Use where appropriate.
5233 (struct type): Add gc_used field, lang_struct field.
5234 (UNION_P): New macro.
5235 (new_structure): New prototype.
5236 (find_structure): Remove 'pos' parameter. Change all callers.
5237 * gengtype-lex.l: Update for changes to find_structure.
5238 * gengtype-yacc.y (typedef_struct): Use new_structure.
5239 (yacc_ids): Suppress warning.
5240 (type): Use new_structure.
5241 * gengtype.c (string_type): Update for changes to struct type.
5242 (find_structure): Just find a structure, don't worry about
5243 creating one.
5244 (new_structure): New.
5245 (note_yacc_type): Use new_structure.
5246 (set_gc_used_type): New.
5247 (set_gc_used): New.
5248 (write_gc_structure_fields): Allow for pointers to TYPE_LANG_STRUCT.
5249 (write_gc_types): Handle TYPE_LANG_STRUCT.
5250 (write_gc_marker_routine_for_structure): New.
5251 (main): Call set_gc_used. Add some calls to set_gc_used_type
5252 for places where GCC doesn't use gengtype properly yet.
5253 * ggc.h (gt_ggc_m_rtx_def): Don't prototype.
5254 (gt_ggc_m_tree_node): Likewise.
5255
5256 * varasm.c (copy_constant): Call expand_constant if we hit
5257 something we can't recognise.
5258
5259 * ggc-common.c (ggc_mark_rtvec_children): Delete.
5260 (ggc_mark_rtx_children): Use generic name for ggc_mark_rtvec.
5261 (lang_mark_false_label_stack): Delete.
5262 * rtl.h (struct rtvec_def): Use gengtype to mark.
5263 * ggc.h (ggc_mark_rtvec): Delete.
5264 (gt_ggc_m_rtvec_def): Delete.
5265 (ggc_mark_nonnull_tree): Delete.
5266 (ggc_mark_rtvec_children): Delete prototype.
5267 (lang_mark_false_label_stack): Delete declaration.
5268
5269 * gengtype.h (note_yacc_type): Add prototype.
5270 * gengtype.c (note_yacc_type): New function.
5271 * gengtype-lex.l: Add lexer support for yacc files.
5272 * gengtype-yacc.y (start): Extract union from yacc files.
5273 (yacc_union): New rule.
5274 (yacc_typematch): New rule.
5275 (yacc_ids): New rule.
5276 (enum_items): Tweak for efficiency.
5277 (optionseq): Likewise.
5278
5279 * c-common.h (struct language_function): Use gengtype.
5280 (struct c_lang_decl): Likewise.
5281 * c-tree.h (struct lang_decl): Likewise.
5282 (struct lang_type): Likewise.
5283 * c-decl.c (lang_mark_tree): Use generated marker routines to mark
5284 tree language substructures.
5285
5286 * stringpool.c (mark_ident): Replace ggc_mark_nonnull_tree with
5287 ggc_mark_tree.
5288 * dwarf2asm.c (mark_indirect_pool_entry): Likewise.
5289
5290 * varasm.c (struct rtx_const): Remove 'skip' tags for scalar arrays.
5291
5292 * stmt.c (struct nesting): Add discriminator. Use gengtype to
5293 mark. Remove 'data.block.cleanup_ptr' field.
5294 (struct stmt_status): Use usual technique to mark struct nesting.
5295 (gt_ggc_mr_nesting_cond): Delete.
5296 (gt_ggc_mr_nesting_loop): Delete.
5297 (gt_ggc_mr_nesting_block): Delete.
5298 (gt_ggc_mr_nesting_case_stmt): Delete.
5299 (expand_start_cond): Set discriminator.
5300 (expand_start_loop): Likewise.
5301 (expand_start_null_loop): Likewise.
5302 (expand_start_bindings_and_block): Set discriminator. Don't set
5303 deleted fields.
5304 (expand_decl_cleanup): Replace 'cleanup_ptr' with
5305 &thisblock->data.block.cleanups.
5306 (expand_start_case): Set discriminator.
5307 (expand_start_case_dummy): Set discriminator.
5308
5309 * ggc-callbacks.c: Remove.
5310
5311 * gengtype.h (struct type): Add 'u.s.bitmap' field.
5312 (find_structure): Add 'pos' parameter.
5313 * gengtype-lex.l: Update callers to find_structure.
5314 * gengtype-yacc.y: Likewise.
5315 * gengtype.c (find_structure): Allow for structures to be defined
5316 in multiple language backends.
5317 (get_output_file_with_visibility): Include debug.h in gtype-desc.c.
5318 (counter): Rename to gc_counter.
5319 (write_gc_structure_fields): Fail when writing out fields for
5320 an incomplete structure. Ignore arrays of scalars. Handle
5321 'tree_vec' special.
5322 (write_gc_types): Reset counter for each procedure written.
5323
5324 * stmt.c (add_case_node): Use GGC to allocate struct case_node.
5325 (free_case_nodes): Delete.
5326 (expand_end_case_type): Delete call to free_case_nodes.
5327
5328 * Makefile.in (cselib.o): Include gt-<filename>.h.
5329 (gcse.o): Likewise.
5330 (profile.o): Likewise.
5331 (alias.o): Likewise.
5332 (GTFILES): Add alias.c, cselib.c, gcse.c, profile.c, and
5333 alphabetize backend files.
5334 (gt-alias.h, gt-cselib.h, gt-gcse.h, gt-profile.h): New rules.
5335 * alias.c: Use gengtype for roots.
5336 * c-common.h (struct stmt_tree_s): Use gengtype.
5337 * c-decl.c: Use gengtype for roots.
5338 * cselib.c: Use gengtype for roots.
5339 * expr.c: Use gengtype for roots.
5340 * fold-const.c: Use gengtype for roots.
5341 * gcse.c: Use gengtype for roots.
5342 * gengtype-lex.l: Handle typedefs of function types.
5343 Allow for empty array bounds.
5344 Allow processing to stop on initialisers.
5345 * gengtype-yacc.y (externstatic): Stop processing on initialisers.
5346 (semiequal): New rule.
5347 * gengtype.c (create_file): Tidy output files.
5348 (get_output_file_with_visibility): Fix paren warning. Fix bug
5349 involving multiple input files mapping to one output file.
5350 (write_gc_structure_fields): Skip arrays of scalars.
5351 (write_gc_types): Tidy output files.
5352 (write_gc_root): New function.
5353 (write_gc_roots): Fix bugs, add support for roots that are
5354 structures.
5355 * ggc-common.c (ggc_mark_rtx_ptr): Delete.
5356 (ggc_mark_tree_ptr): Delete.
5357 (ggc_add_rtx_root): Delete.
5358 (ggc_add_tree_root): Delete.
5359 (ggc_del_root): Delete.
5360 * integrate.c (get_func_hard_reg_initial_val): Use ggc_alloc to
5361 allocate struct initial_value_struct.
5362 * profile.c: Use gengtype for roots.
5363 * sdbout.c: Use gengtype for roots.
5364 * varasm.c (mark_weak_decls): Delete unused prototype.
5365 (mark_const_hash_entry): Delete unused function.
5366 * config/darwin-protos.h: Use gengtype for roots.
5367 (machopic_add_gc_roots): Delete.
5368 * config/arm/arm.c: Use gengtype for roots.
5369 * config/arm/arm.h: Use gengtype for roots.
5370 * config/c4x/c4x-protos.h: Use gengtype for roots.
5371 * config/c4x/c4x.c (c4x_add_gc_roots): Delete.
5372 * config/d30v/d30v-protos.h: Use gengtype for roots.
5373 * config/d30v/d30v.c (d30v_add_gc_roots): Delete.
5374 * config/dsp16xx/dsp16xx.c (override_options): Use gengtype for roots.
5375 * config/dsp16xx/dsp16xx.h: Use gengtype for roots.
5376 * config/ia64/ia64-protos.h: Use gengtype for roots.
5377 * config/ia64/ia64.c (ia64_add_gc_roots): Delete.
5378 * config/m68hc11/m68hc11-protos.h: Use gengtype for roots.
5379 * config/m68hc11/m68hc11.c (z_reg): Make global.
5380 (z_reg_qi): Make global.
5381 (m68hc11_add_gc_roots): Delete.
5382 * config/mcore/mcore-protos.h: Use gengtype for roots.
5383 * config/mcore/mcore.c (mcore_add_gc_roots): Delete.
5384 * config/mips/mips.c (mips_add_gc_roots): Delete.
5385 * config/mips/mips.h: Use gengtype for roots.
5386 * config/mmix/mmix.c (override_options): Use gengtype for roots.
5387 * config/mmix/mmix.h: Use gengtype for roots.
5388 * config/mn10200/mn10200.c (asm_file_start): Use gengtype for roots.
5389 * config/mn10200/mn10200.h: Use gengtype for roots.
5390 * config/pa/pa.c: Use gengtype for roots, marking.
5391 (struct deferred_plabel): Use GGC, gengtype.
5392 (pa_add_gc_roots): Delete.
5393 (mark_deferred_plabels): Delete.
5394 * config/pj/pj-protos.h: Use gengtype for roots.
5395 * config/pj/pj.h (OVERRIDE_OPTIONS): Don't define.
5396 * config/rs6000/rs6000.c: Use gengtype for roots. Don't call
5397 machopic_add_gc_roots.
5398 * config/rs6000/rs6000.h: Use gengtype for roots.
5399 * config/rs6000/t-darwin (darwin.o): Add dependency on gt-darwin.h.
5400 (gt-darwin.h): Add rule.
5401 * config/sh/sh.c: Use gengtype for roots.
5402 * config/sh/t-sh ($(out_object_file)): Add dependency on gt-sh.h.
5403 (gt-sh.h): Add rule.
5404 * config/sparc/sparc.c: Use gengtype for roots.
5405 (sparc_add_gc_roots): Delete.
5406 (struct ultrasparc_pipeline_state): Use GGC, gengtype.
5407 (mark_ultrasparc_pipeline_state): Delete.
5408 * config/sparc/sparc.h: Use gengtype for roots.
5409
5410 * Makefile.in (c-parse.o): Update dependencies.
5411 (c-common.o): Likewise.
5412 (GTFILES): Add c-common.h, c-tree.h, c-common.c, c-parse.in.
5413 Add dependencies for the files they generate.
5414 * c-common.c: Replace ggc_add_* uses with GTY annotations.
5415 * c-common.h: Likewise.
5416 * c-decl.c: Likewise.
5417 (gt_ggc_mp_binding_level): Delete.
5418 * c-lang.c: Include gtype-c.h.
5419 * c-parse.in: Replace ggc_add_* uses with GTY annotations. Include
5420 gt-c-parse.h.
5421 * c-pragma.h: Replace ggc_add_* uses with GTY annotations.
5422 (gt_ggc_mp_align_stack): Delete.
5423 * c-tree.h: Replace ggc_add_* uses with GTY annotations.
5424 * function.c: Replace ggc_add_* uses with GTY annotations.
5425 (gt_ggc_mp_function): Delete.
5426 * function.h: Replace ggc_add_* uses with GTY annotations.
5427 * gengtype.c (lang_names): New.
5428 (NUM_BASE_FILES): New.
5429 (open_base_files): Create language base files.
5430 (startswith): New.
5431 (get_file_basename): New.
5432 (get_base_file_bitmap): New.
5433 (get_output_file_with_visibility): Rename from get_output_file.
5434 Add more mappings for various C/Objc filenames.
5435 (finish_root_table): New.
5436 (write_gc_roots): Handle dependencies and scoping properly.
5437 * gengtype.h: Add prototypes for new functions.
5438 * ggc-common.c (struct deletable_root): Delete.
5439 (deletables): Delete.
5440 (ggc_add_deletable_root): Delete.
5441 (ggc_mark_roots): No need to deal with deleted functionality.
5442 * ggc.h (ggc_add_deletable_root): Delete prototype.
5443 * objc/Make-lang.in (objc-act.o): Add gtype-objc.h dependency.
5444 (gtype-objc.h): Add rule to create.
5445 * objc/config-lang.in (gtfiles): New.
5446 * objc/objc-act.c: Allocate imp_list using GGC. Replace uses of
5447 ggc_add_* with GTY markers. Include gtype-objc.h.
5448 (ggc_mark_imp_list): Delete.
5449 * objc/objc-act.h: Replace uses of ggc_add_* with GTY markers.
5450 * objc/objc-lang.c: Random Whitespace Change.
5451
5452 * except.h (exception_handler_labels): Delete.
5453 (get_exception_handler_labels): New.
5454 * except.c (exception_handler_labels): Delete.
5455 (struct eh_status): Add exception_handler_labels field.
5456 (doing_eh): Don't add exception_handler_labels as root.
5457 (free_eh_status): Don't need to free exception_handler_labels.
5458 (get_exception_handler_labels): New.
5459 (find_exception_handler_labels): Update for move of
5460 exception_handler_labels.
5461 (remove_exception_handler_label): Likewise.
5462 * cfgrtl.c (can_delete_label_p): Use get_exception_handler_labels.
5463 * jump.c (rebuild_jump_labels): Likewise.
5464 * loop.c (find_and_verify_loops): Likewise.
5465 * sched-rgn.c (is_cfg_nonregular): Likewise.
5466
5467 * gengtype.c (write_gc_structure_fields): Handle variable-length
5468 TYPE_ARRAYs.
5469
5470 * varasm.c (struct weak_syms): Use GGC, gengtype.
5471 (mark_weak_decls): Delete.
5472 (weak_decls): Likewise.
5473 (add_weak): Likewise.
5474 (remove_from_pending_weak_list): Likewise.
5475 (init_varasm_once): Likewise.
5476
5477 * Makefile.in (gtype-desc.o): Add libfuncs.h dependency.
5478 (GTFILES): Add tree.h, libfuncs.h, emit-rtl.c, explow.c,
5479 stor-layout.c, regclass.c, and lists.c.
5480 Add dependencies of gt-emit-rtl.h gt-explow.h gt-stor-layout.h
5481 gt-regclass.h and gt-lists.h on s-gtype.
5482 * emit-rtl.c: Use gengtype for roots. Include gt-emit-rtl.h.
5483 * except.c: Use gengtype for roots.
5484 * explow.c: Use gengtype for roots. Include gt-explow.h.
5485 * expr.h (init_stor_layout_once): Delete prototype.
5486 * function.c: Use gengtype for roots.
5487 * gengtype-lex.l: Add ENT_EXTERNSTATIC lexing.
5488 * gengtype-yacc.y (start): Can also be an externstatic.
5489 (externstatic): New production.
5490 (struct_fields): Correct array bounds inversion for 2-d arrays.
5491 * gengtype.c (variables): New variable.
5492 (note_variable): New function.
5493 (get_output_file): Include libfuncs.h into gtype-desc.c.
5494 (get_output_file_name): New function.
5495 (write_gc_structure_fields): Suppress warnings.
5496 (write_gc_types): Make static.
5497 (put_mangled_filename): New function.
5498 (write_gc_roots): New function.
5499 (main): Call write_gc_roots.
5500 * gengtype.h (note_variable): Prototype.
5501 (get_output_file_name): Prototype.
5502 (write_gc_types): Delete prototype.
5503 * ggc.h: Clean up unnecessary structure predefinitions.
5504 (struct ggc_root_tab): Define.
5505 (gt_ggc_m_rtx_def): Make function, not macro.
5506 (gt_ggc_m_tree_node): Likewise.
5507 * libfuncs.h: Use gengtype for roots.
5508 * lists.c: Use gengtype for roots. Include gt-lists.h.
5509 (init_EXPR_INSN_LIST_cache): Delete.
5510 * optabs.c: Use gengtype for roots.
5511 (gt_ggc_mp_optab): Delete.
5512 * optabs.h: Use gengtype for roots.
5513 * regclass.c: Use gengtype for roots. Include gt-regclass.h.
5514 * rtl.h: Use gengtype for roots.
5515 (init_EXPR_INSN_LIST_cache): Delete prototype.
5516 * stor-layout.c: Use gengtype for roots.
5517 Include gt-stor-layout.h.
5518 (init_stor_layout_once): Delete.
5519 * toplev.c: Use gengtype for roots. Delete calls to deleted
5520 routines.
5521 * tree.c: Use gengtype for roots.
5522 * tree.h: Use gengtype for roots.
5523 * varasm.c: Use gengtype for roots.
5524
5525 * Makefile.in (GTFILES): Add @all_gtfiles@.
5526 * configure: Regenerate.
5527 * configure.in: Construct all_gtfiles from the gtfiles definitions
5528 in config-lang.in.
5529 * gengtype-yacc.y (type): Warn about duplicate structure names.
5530 * gengtype.c (get_output_file): Handle .c files in language
5531 subdirectories.
5532
5533 * Makefile.in (GTFILES): Run gengtype on all the config files
5534 and on the target .c file.
5535 * except.c (mark_eh_region): Delete.
5536 (init_eh_for_function): Use GGC on struct eh_status.
5537 (mark_eh_status): Delete.
5538 (free_eh_status): Use GGC.
5539 (expand_eh_region_start): Use GGC to
5540 (collect_eh_region_array): Allocate last_region_number using GGC.
5541 (duplicate_eh_region_1): Use GGC to allocate struct eh_region.
5542 (remove_eh_handler): Let GGC free struct eh_region.
5543 (add_call_site): Use GGC to reallocate call_site_record array.
5544 * function.c (init_machine_status): Update calling sequence.
5545 (mark_machine_status): Likewise.
5546 (mark_lang_status): Likewise.
5547 (prepare_function_start): Update init_machine_status call.
5548 (mark_function_status): Delete.
5549 (maybe_mark_struct_function): Delete.
5550 (ggc_mark_struct_function): Delete.
5551 (gt_ggc_mp_function): New.
5552 (gt_ggc_mr_machine_function): New.
5553 (gt_ggc_mr_language_function): New.
5554 (init_function_once): Use canonical names.
5555 * function.h (struct function): Use gengtype.
5556 (init_machine_status): Return the structure.
5557 (mark_machine_status): Take a 'void *'.
5558 (mark_lang_status): Likewise.
5559 * ggc-common.c (ggc_mark_trees): Use canonical name for
5560 ggc_mark_struct_function.
5561 * tree.h (ggc_mark_struct_function): Delete prototype.
5562 * config/alpha/alpha.c (alpha_mark_machine_status): Delete.
5563 (alpha_init_machine_status): Likewise.
5564 (override_options): Use canonical name for alpha_mark_machine_status.
5565 * config/alpha/unicosmk.h (struct machine_function): Use gengtype.
5566 * config/arm/arm.h (struct machine_function): Use gengtype.
5567 * config/arm/arm.c (arm_mark_machine_status): Delete.
5568 (arm_init_machine_status): Update calling sequence.
5569 (arm_init_expanders): Use canonical name for arm_mark_machine_status.
5570 * config/cris/cris.c (cris_init_machine_status): Update
5571 calling sequence.
5572 * config/d30v/d30v.h (struct machine_function): Use gengtype.
5573 * config/d30v/d30v.c (d30v_init_machine_status): Update
5574 calling sequence.
5575 (d30v_mark_machine_status): Delete.
5576 * config/i386/i386.c: Include gt-i386.h.
5577 (struct machine_function): Use gengtype.
5578 (ix86_init_machine_status): Update calling sequence.
5579 (ix86_mark_machine_status): Delete.
5580 (override_options): Use canonical namke for ix86_mark_machine_status.
5581 * config/ia64/ia64.h (struct machine_function): Use gengtype.
5582 * config/ia64/ia64.c (ia64_init_machine_status): Update calling
5583 sequence.
5584 (ia64_mark_machine_status): Delete.
5585 (ia64_override_options): Use canonical name for
5586 ia64_mark_machine_status.
5587 * config/mmix/mmix.c (mmix_init_machine_status): Update calling
5588 sequence.
5589 * config/rs6000/rs6000.c (rs6000_init_machine_status): Likewise.
5590 * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
5591 * gengtype.c (get_output_file): Fix warning.
5592 (main): Add prototype to suppress warning.
5593 * tree.c: Remove tree_hash_mark prototype.
5594
5595 * tree.h (init_stmt): Delete prototype.
5596 * toplev.c (lang_independent_init): Don't call init_stmt.
5597 * stmt.c (ALLOC_NESTING): Use GGC for 'struct nesting'.
5598 (stmt_obstack): Delete.
5599 (POPSTACK): No need to free 'struct nesting'.
5600 (gt_ggc_mr_nesting_cond): Use canonical names.
5601 (gt_ggc_mr_nesting_loop): Use canonical names.
5602 (gt_ggc_mr_nesting_block): Use canonical names.
5603 (gt_ggc_mr_nesting_case_stmt): Use canonical names.
5604 (mark_stmt_status): Delete.
5605 (init_stmt): Delete.
5606 (clear_last_expr): Clear both last_expr_type and last_expr_value.
5607 Use it everywhere that last_expr_type was cleared.
5608 * lists.c (init_EXPR_INSN_LIST_cache): Use ggc_add_deletable_root.
5609 (zap_lists): Delete.
5610 * ggc.h (ggc_add_deletable_root): Prototype.
5611 (mark_stmt_status): Remove prototype.
5612 * ggc-common.c (ggc_add_deletable_root): New.
5613 (ggc_mark_roots): Handle deletable roots.
5614 * function.c (ggc_mark_struct_function): Use canonical name
5615 for mark_stmt_status.
5616 * emit-rtl.c (free_sequence_stack): New.
5617 (start_sequence): Use a freelist for sequences.
5618 (end_sequence): Likewise.
5619 (init_emit_once): Add free_sequence_stack as a deleteable root.
5620 * c-pragma.c Include gt-c-pragma.h.
5621 (struct align_stack): Use gengtype.
5622 (push_alignment): Use GGC for struct align_stack.
5623 (mark_align_stack): Delete.
5624 (gt_ggc_mp_align_stack): New.
5625 (init_pragma): Use canonical name for mark_align_stack.
5626 * c-decl.c: Include gt-c-decl.h.
5627 (struct binding_level): Use gengtype.
5628 (make_binding_level): Use GGC; handle the freelist here.
5629 (pop_binding_level): New.
5630 (pushlevel): Move code into make_binding_level.
5631 (push_label_level): Likewise.
5632 (poplevel): Move code into pop_binding_level.
5633 (pop_label_level): Likewise.
5634 (mark_binding_level): Delete.
5635 (gt_ggc_mp_binding_level): New.
5636 (c_init_decl_processing): Use canonical name for mark_binding_level.
5637 Add free_binding_level as deletable root.
5638 (mark_c_function_context): Use canonical name for mark_binding_level.
5639 * Makefile.in (c-decl.o): Add gt-c-decl.h.
5640 (c-pragma.o): Add gt-c-pragma.h.
5641 (GTFILES): Add c-decl.c and c-pragma.c.
5642 (gt-c-decl.h, gt-c-pragma.h): Create using gengtype.
5643
5644 * tree.c (struct type_hash): Use gengtype.
5645 (init_obstacks): Use canonical name for type_hash_mark.
5646 (type_hash_mark): Delete.
5647 Include gt-tree.h.
5648 * rtl.h (struct mem_attrs): Use gengtype.
5649 * optabs.h (struct optab): Use gengtype.
5650 * optabs.c (expand_binop): Squish signed/unsigned warning.
5651 (mark_optab): Make local, use canonical name, use autogenerated
5652 marker procedure.
5653 (init_optabs): Use canonical name for mark_optab.
5654 (new_optab): Use GGC to allocate optabs.
5655 * ggc.h: Delete mark_optab prototype.
5656 * ggc-common.c (ggc_mark_rtx_children): Use canonical name for
5657 mem_attrs marker procedure.
5658 * gengtype.c (get_output_file): Include headers in gtype-desc.c
5659 explicitly rather than deducing them from file names.
5660 (write_gc_structure_fields): Handle arrays of structures.
5661 (main): Return non-zero exit code if errors occur during output.
5662 * emit-rtl.c (mem_attrs_mark): Delete.
5663 (init_emit_once): Use canonical name for mem_attrs marker procedure.
5664 * Makefile.in (gtype-desc.o): Explicitly name dependencies.
5665 (tree.o): Depend on gt-tree.h.
5666 (GTFILES): Add rtl.h, optabs.h, tree.c.
5667 (gt-tree.h): Add it to s-gtype rule.
5668
5669 * .cvsignore: Ignore gengtype flex/bison generated files.
5670 * Makefile.in (GGC_H): Add gtype-desc.h.
5671 (OBJS): Add gtype-desc.o.
5672 (GEN): Add gengtype.
5673 (STAGESTUFF): Add gengtype.
5674 (varasm.o): Add gt-varasm.h.
5675 (stmt.o): Add gt-stmt.h.
5676 (except.o): Add gt-except.h.
5677 (integrate.o): Add gt-integrate.h.
5678 (GTFILES): New.
5679 Add new rules for new files.
5680 * configure: Regenerate.
5681 * configure.in: Correct defaults.h paths.
5682 * emit-rtl.c (mark_sequence_stack): Delete.
5683 (mark_emit_status): Delete.
5684 (start_sequence): Allocate sequence structures using GGC.
5685 (end_sequence): Allocate sequence structures using GGC.
5686 * except.c: Use gengtype for various structures. Include
5687 gt-except.h.
5688 * expr.c (mark_expr_status): Delete.
5689 * function.c: Use gengtype for various structures. Include
5690 gt-function.h.
5691 (mark_function_status): Use standard gt_ggc names for marker functions.
5692 (ggc_mark_struct_function): Likewise.
5693 * function.h: Use gengtype for various structures.
5694 * gengtype-lex.l: New file.
5695 * gengtype-yacc.y: New file.
5696 * gengtype.c: New file.
5697 * gengtype.h: New file.
5698 * ggc.h: Include gtype-desc.h. Alias some marker procedures to
5699 the standard names. Remove some now-unnecessary prototypes.
5700 * integrate.c: Use gengtype for various structures. Include
5701 gt-integrate.h.
5702 (mark_hard_reg_initial_vals): Delete.
5703 * integrate.h (mark_hard_reg_initial_vals): Delete.
5704 * stmt.c: Use gengtype for various structures. Include
5705 gt-stmt.h.
5706 (mark_case_node): Delete.
5707 (mark_goto_fixup): Delete.
5708 (mark_stmt_status): Use standard gt_ggc names for marker functions.
5709 * system.h: Define GTY to empty. In flex/bison files,
5710 don't poison malloc or realloc, instead just define them to
5711 xmalloc and xrealloc.
5712 * varasm.c: Use gengtype for various structures. Include
5713 gt-varasm.h. Use standard gt_ggc names for marker functions.
5714 (mark_pool_constant): Delete.
5715 (mark_varasm_status): Delete.
5716 (decode_rtx_const): #if 0 out non-typesafe hack.
5717
5718 * function.h (free_lang_status): Mark as obsolete.
5719 * function.c (free_lang_status): Mark as obsolete.
5720 * c-decl.c (push_c_function_context): Use GC to allocate and free
5721 struct language_function.
5722 (pop_c_function_context): Likewise.
5723 * c-common.c (mark_c_language_function): Mark struct
5724 language_function.
5725
5726 * doc/tm.texi (Per-Function Data): Don't document free_machine_status.
5727 Document that the machine_function structures must be allocated
5728 using GC. Update mark_machine_status documentation.
5729 * function.h: Don't declare free_machine_status.
5730 * function.c (free_machine_status): Don't define.
5731 (free_after_compilation): Don't call free_machine_status.
5732 (ggc_mark_struct_function): Mark f->machine. Call
5733 mark_machine_status only on non-NULL pointers.
5734 * system.h: Poison free_machine_status.
5735 * config/xtensa/xtensa.c (xtensa_init_machine_status): Use GC on
5736 struct machine_function.
5737 (xtensa_free_machine_status): Delete.
5738 (override_options): Don't set free_machine_status.
5739 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
5740 free_machine_status.
5741 (rs6000_init_machine_status): Use GC on struct machine_function.
5742 (rs6000_free_machine_status): Delete.
5743 * config/ia64/ia64.c (ia64_init_machine_status): Use GC on struct
5744 machine_function.
5745 (ia64_mark_machine_status): Likewise.
5746 (ia64_free_machine_status): Delete.
5747 (ia64_override_options): Don't set free_machine_status.
5748 * config/i386/i386.c (override_options): Don't set
5749 free_machine_status.
5750 (ix86_init_machine_status): Use GC on struct machine_function.
5751 (ix86_mark_machine_status): Likewise.
5752 (ix86_free_machine_status): Delete.
5753 * config/d30v/d30v.c: (d30v_init_machine_status): Use GC on struct
5754 machine_function.
5755 (d30v_mark_machine_status): Likewise.
5756 (d30v_free_machine_status): Delete.
5757 (d30v_init_expanders): Don't set free_machine_status.
5758 * config/arm/arm.c (arm_mark_machine_status): Use GC on struct
5759 machine_function.
5760 (arm_init_machine_status): Likewise.
5761 (arm_free_machine_status): Delete.
5762 (arm_init_expanders): Don't set free_machine_status.
5763 * config/alpha/alpha.c (override_options): Don't set
5764 free_machine_status.
5765 (alpha_init_machine_status): Use GC on struct machine_function.
5766 (alpha_mark_machine_status): Likewise.
5767 (alpha_free_machine_status): Delete.
5768
5769 * varasm.c (compare_constant): Fix typo.
5770
5771 * varasm.c: Don't include obstack.h.
5772 (struct varasm_status): x_const_rtx_hash_table is a hash of rtxes.
5773 (struct rtx_const): Give substructures names, improve formatting.
5774 (struct constant_descriptor): Delete.
5775 (struct constant_descriptor_tree): New, based on constant_descriptor.
5776 (const_hash_table): Is a hash table of trees.
5777 (mark_const_hash_entry): Is used for hashes of trees. Mark
5778 constant_descriptor_tree structure.
5779 (mark_const_str_htab_1): Mark deferred_string structure.
5780 (compare_constant): Rewrite to compare trees.
5781 (compare_constant_1): Delete.
5782 (record_constant): Delete.
5783 (record_constant_1): Delete.
5784 (output_constant_def): Use struct constant_descriptor_tree.
5785 Don't duplicate trees twice.
5786 (struct constant_descriptor_rtx): New.
5787 (struct pool_constant): Used for rtx constants.
5788 (init_varasm_status): Update for change to struct varasm_status.
5789 (mark_varasm_status): Likewise.
5790 (free_varasm_status): Delete.
5791 (compare_constant_rtx): Rewrite to handle constant_descriptor_rtx.
5792 (record_constant_rtx): Likewise.
5793 (mem_for_const_double): Update to use struct constant_descriptor_rtx.
5794 (force_const_mem): Likewise.
5795 * Makefile.in (varasm.o): Doesn't depend on obstack.h.
5796 * function.c (free_after_compilation): Don't use free_varasm_status.
5797 * function.h: Don't prototype free_varasm_status.
5798
5799 * ggc-common.c (ggc_realloc): Handle X being NULL.
5800
5801 * ggc-common.c (ggc_realloc): New function.
5802 * ggc.h: Prototype it.
5803 * emit-rtl.c (free_emit_status): Delete.
5804 (init_emit): Allocate emit subarrays using GC.
5805 (gen_reg_rtx): Reallocate subarrays using GC.
5806 (init_emit): Use GC to allocate 'struct emit_status' and its
5807 subarrays.
5808 (mark_emit_status): Mark structure and its subarrays.
5809 * stmt.c (free_stmt_status): Delete.
5810 * expr.c (free_expr_status): Delete.
5811 * function.h: Remove prototypes for deleted functions.
5812 * function.c (free_after_compilation): Don't use deleted functions.
5813 Don't call free() on x_parm_reg_stack_loc.
5814 (free_after_parsing): Don't use free_stmt_status.
5815 (assign_parms): Use GC to allocate and resize x_parm_reg_stack_loc.
5816 (mark_function_status): Mark x_parm_reg_stack_loc.
5817
5818 * varasm.c (init_varasm_status): Use GC to allocate
5819 'struct varasm_status' and its fields x_const_rtx_hash_table
5820 and x_const_rtx_sym_hash_table.
5821 (mark_varasm_status): Mark them.
5822 (free_varasm_status): Use GC to free them.
5823 * expr.c (init_expr): Use GC to allocate 'struct expr_status'.
5824 (mark_expr_status): Mark the structure itself.
5825 (free_expr_status): Use GC to free the structure.
5826 * stmt.c (free_stmt_status): Use GC to free 'struct stmt_status'.
5827 (mark_stmt_status): Mark the 'struct stmt_status' itself.
5828 (init_stmt_for_function): Allocate the structure for GC.
5829
5830 * dwarf2out.c (lookup_type_die): Use TYPE_SYMTAB_DIE.
5831 (equate_type_number_to_die): Likewise.
5832 * tree.h (TYPE_SYMTAB_DIE): New macro.
5833 (struct die_struct): Predeclare.
5834 (struct tree_type): Add field symtab.die. Add a tag
5835 to the union type of field symtab.
5836
5837 * varray.h (VARRAY_RTVEC_INIT): A varray of rtvec contains
5838 'struct rtvec_def *', not 'struct rtvec_def'.
5839
5840 * function.h (original_arg_vector): Make a real rtvec.
5841 * function.c (ggc_mark_struct_function): Adjust.
5842 * integrate.c (expand_inline_function): Adjust.
5843
5844 2002-06-04 Jason Thorpe <thorpej@wasabisystems.com>
5845
5846 * config.gcc (sh5-*-netbsd*, sh5l*-*-netbsd*)
5847 (sh64-*-netbsd*, sh64l*-*-netbsd*): New targets.
5848 * config/sh/netbsd-elf.h (TARGET_VERSION_ENDIAN)
5849 (TARGET_VERSION_CPU): Define according to the
5850 default target.
5851 (TARGET_VERSION): Use TARGET_VERSION_ENDIAN and
5852 TARGET_VERSION_CPU.
5853 (TARGET_OS_CPP_BUILTINS): Use NETBSD_OS_CPP_BUILTINS_LP64
5854 if TARGET_SHMEDIA64.
5855 (LINK_DEFAULT_CPU_EMUL): Define according to the
5856 default target.
5857 (SUBTARGET_LINK_EMUL_SUFFIX): Define.
5858 (SUBTARGET_LINK_SPEC): Define.
5859 (LINK_SPEC): Use SH_LINK_SPEC.
5860 (ASM_SPEC): Remove.
5861 (TARGET_DEFAULT): Use TARGET_CPU_DEFAULT.
5862 (FUNCTION_PROFILER): Add cases for TARGET_SHMEDIA32
5863 and TARGET_SHMEDIA64 which abort, for now.
5864 * config/sh/t-netbsd-sh5: New file.
5865 * config/sh/t-netbsd-sh5-32: New file.
5866 * config/sh/t-netbsd-sh5-64: New file.
5867
5868 2002-06-03 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
5869 Richard Henderson <rth@redhat.com>
5870
5871 * config/alpha/alpha.c (reg_or_const_int_operand): New.
5872 (some_operand, input_operand): Accept CONST_VECTOR.
5873 (alpha_extra_constraint): Add 'W'.
5874 (alpha_expand_zap_mask): New.
5875 (alpha_expand_builtin_vector_binop): New.
5876 (enum alpha_builtin): New.
5877 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): New.
5878 (alpha_init_builtins, alpha_expand_builtin): New.
5879 (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): New.
5880 * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): New.
5881 (PREDICATE_CODES): Update.
5882 * config/alpha/alpha-protos.h: Update.
5883 * config/alpha/alpha.md (UNSPEC_CMPBGE, UNSPEC_ZAP,
5884 UNSPEC_AMASK, UNSPEC_IMPLVER, UNSPEC_PERR, UNSPECV_RPCC): New.
5885 (movv8qi, movv8qi_fix, movv8qi_nofix): New.
5886 (movv4hi, movv4hi_fix, movv4hi_nofix): New.
5887 (movv2si, movv2si_fix, movv2si_nofix): New.
5888 (uminv8qi3, sminv8qi3, uminv4hi3, sminv4hi3): New.
5889 (umaxv8qi3, smaxv8qi3, umaxv4hi3, smaxv4hi3): New.
5890 (builtin_cmpbge, builtin_extql, builtin_extqh, builtin_zap,
5891 builtin_zap_1, builtin_zapnot, builtin_zapnot_1, builtin_amask,
5892 builtin_implver, builtin_rpcc, builtin_minub8, builtin_minsb8,
5893 builtin_minuw4, builtin_minsw4, builtin_maxub8, builtin_maxsb8,
5894 builtin_maxuw4, builtin_maxsw4, builtin_perr, builtin_pklb,
5895 pklb, builtin_pkwb, pkwb, builtin_unpkbl, unpkbl,
5896 builtin_unpkbw, unpkbw): New.
5897 * doc/extend.texi (Alpha Built-in Functions): New.
5898
5899 2002-06-03 Richard Henderson <rth@redhat.com>
5900
5901 * crtstuff.c (__EH_FRAME_BEGIN__): Conditionalize on
5902 USE_EH_FRAME_REGISTRY, not EH_FRAME_SECTION_NAME.
5903
5904 2002-06-03 Richard Henderson <rth@redhat.com>
5905
5906 * config/alpha/alpha-protos.h: Eliminate unneeded ifdefs.
5907
5908 * config/alpha/alpha.c (reg_or_0_operand): Use CONST0_RTX.
5909 (const0_operand): New.
5910 (reg_or_fp0_operand, fp0_operand): Remove.
5911 * config/alpha/alpha.h (PREDICATE_CODES): Update.
5912 * config/alpha/alpha-protos.h: Update.
5913 * config/alpha/alpha.md: Replace all uses of reg_or_fp0_operand
5914 and fp0_operand with reg_or_0_operand and const0_operand.
5915
5916 2002-06-03 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
5917
5918 * alias.c (nonoverlapping_memrefs_p): Fix off by one error.
5919
5920 2002-06-03 Roger Sayle <roger@eyesopen.com>
5921
5922 * gcse.c (cprop_jump): Use single_set to get the pattern
5923 from the setcc argument.
5924
5925 2002-06-03 Gabriel Dos Reis <gdr@codesourcery.com>
5926
5927 * diagnostic.h (diagnostic_count): Move from output_buffer to
5928 diagnostic_context.
5929 (diagnostic_kind_count): Adjust definition.
5930
5931 Mon Jun 3 19:11:53 CEST 2002 Jan Hubicka <jh@suse.cz>
5932
5933 * except.c (except.c): Do not rebuild CFG.
5934 * toplev.c (rest_of_compilation): Recompute CFG after sibcall
5935 optimization.
5936
5937 Mon Jun 3 11:53:01 CEST 2002 Jan Hubicka <jh@suse.cz>
5938
5939 * integrate.c (copy_insn_list): Properly pace the INSN_SCOPE copies.
5940 * toplev.c: Include cfglahout.h
5941 * Makefile.in (toplev.c): Add dependnecy.
5942
5943 2002-06-03 Neil Booth <neil@daikokuya.demon.co.uk>
5944
5945 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): New.
5946 (CPP_CPU32_SPEC, CPP_CPU64_SPEC): Kill.
5947 (CPP_CPUCOMMON_SPEC): Rename CPP_CPU_SPEC.
5948
5949 2002-06-03 Jason Thorpe <thorpej@wasabisystems.com>
5950
5951 * config/ns32k/netbsd.h: Update copyright years.
5952 (TARGET_OS_CPP_BUILTINS): Define.
5953 (CPP_PREDEFINES): Remove.
5954 * config/ns32k/ns32k.h (CPP_PREDEFINES): Remove.
5955 (TARGET_CPU_CPP_BUILTINS): Define.
5956
5957 2002-06-02 Kazu Hirata <kazu@cs.umass.edu>
5958
5959 * emit-rtl.c: Fix formatting.
5960 * errors.h: Likewise.
5961 * except.c: Likewise.
5962 * explow.c: Likewise.
5963 * expmed.c: Likewise.
5964 * expr.c: Likewise.
5965 * expr.h: Likewise.
5966
5967 2002-06-02 Kazu Hirata <kazu@cs.umass.edu>
5968
5969 * config/h8300/elf.h: Fix formatting.
5970 * config/h8300/rtems.h: Likewise.
5971
5972 2002-06-03 Jason Thorpe <thorpej@wasabisystems.com>
5973
5974 * config/rs6000/netbsd.h (DRAFT_V4_STRUCT_RET): Remove.
5975
5976 2002-06-02 Tom Tromey <tromey@redhat.com>
5977
5978 * fixinc/fixincl.x: Rebuilt.
5979 * fixinc/inclhack.def (thread_keyword): Match `*__thread'.
5980
5981 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
5982
5983 config/i370:
5984 * i370.h (TARGET_CPU_CPP_BUILTINS): Use.
5985 * linux.h: Use TARGET_OS_CPP_BUILTINS rather than CPP_PREDEFINES.
5986 * mvs.h: Similarly.
5987 * oe.h: Similarly.
5988
5989 Mon Jun 3 00:18:20 CEST 2002 Jan Hubicka <jh@suse.cz>
5990
5991 * final.c (final): Allow notes to not have computed addresses;
5992 kill no longer needed STACK_REGS ifdef.
5993
5994 2002-06-02 Richard Henderson <rth@redhat.com>
5995
5996 * gcse.c (bypass_conditional_jumps): Fix typo last change.
5997
5998 Sun Jun 2 23:02:11 CEST 2002 Jan Hubicka <jh@suse.cz>
5999
6000 * loop.c (emit_prefetch_instructions): Properly place the address
6001 computation.
6002
6003 Sun Jun 2 22:56:48 CEST 2002 Jan Hubicka <jh@suse.cz>
6004
6005 * basic-block.h (basic_block_for_insn, BLOCK_FOR_INSN): Kill.
6006 (set_block_for_insn): Turn into macro.
6007 * cfgbuild.c (find_basic_block): Do not clear basic_block_for_insn.
6008 * cfglayout.c (insn_scopes): Kill.
6009 (scope_to_insns_initialize): Do not use insn_scopes.
6010 (scope_to_insns_finalize): Likewise.
6011 (duplicate_insn_chain): Likewise.
6012 (cfg_layout_initialize, cfg_layout_finalize): Do not turn scopes to notes.
6013 * cfgrtl.c (basic_block_for_insn): Kill.
6014 (delete_insn_and_edges, delete_insn_chain_and_edges): Simplify.
6015 (create_basic_block_structure): Use reorder_insns.
6016 (compute_bb_for_insn): Do not use basic_block_for_insn.
6017 (merge_blocks_nomove): Likewise.
6018 (update_bb_for_insn): Likewise.
6019 (verify_flow_info): Likewise.
6020 (set_block_for_insn): Kill.
6021 * combine.c (try_combine): Update gen_rtx_INSN call.
6022 * emit-rtl.c (gen_label_rtx): Update gen_rtx_CODE_LABEL call.
6023 (mark_insn_raw, make_jump_insn_raw, make_call_insn_raw): Clear
6024 scopes and BBs.
6025 (add_insn_after, add_insn_before, remove_insn, reorder_insns): Simplify.
6026 (emit_note_before, emit_note_after, emit_line_note_after, emit_note):
6027 Clear BB.
6028 (emit_insns_after): Simplify.
6029 (emit_copy_of_insn_after): Copy scope.
6030 * final.c (final_start_function): Lower scopes.
6031 * flow.c (check_function_return_warnings): Do not rely on deleted insn.
6032 * integrate.c (copy_insn_list): Cope scopes.
6033 * jump.c (duplicate_loop_exit_test): LIkewise; simplify.
6034 * loop.c (loop_optimize): Do not care block notes.
6035 * print-rtl.c (print_rtx): Print BB.
6036 * recog.c (apply_change_group): Simplify.
6037 * rtl.c (copy_rtx): Handle 'B'.
6038 * rtl.def (INSN, CALL_INSN, JUMP_INSN, NOTE): Add extra fields.
6039 * rtl.h (Field accessors): Update indexes.
6040 * sched-ebb.c (schedule_ebbs): Do not lower notes.
6041 * sched-rgn.c (schedule_insns): Likewise.
6042 * toplev.c (rest_of_compilation): Lower notes.
6043 * unroll.c (unroll_loop): Do not care scoping notes.
6044 (copy_loop_body): Copy scopes.
6045
6046 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6047
6048 config/h8300:
6049 * elf.h: Use TARGET_OS_CPP_BUILTINS rather than
6050 SUBTARGET_SPEC.
6051 * rtems.h: Similarly.
6052 * h8300.h (CPP_PREDEFINES, CPP_SPEC, SUBTARGET_CPP_SPEC,
6053 EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
6054 (TARGET_CPU_CPP_BUILTINS): Use.
6055
6056 2002-06-02 Richard Henderson <rth@redhat.com>
6057
6058 * alias.c: Include target.h.
6059 (mark_constant_function): Use targetm.binds_local_p instead
6060 of checking TREE_PUBLIC ourselves.
6061 * Makefile.in (alias.o): Add TARGET_H.
6062
6063 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6064
6065 * c-lex.c: Update copyright and file description.
6066
6067 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6068
6069 * config/fr30/fr30.h: Update to new CPP macros.
6070
6071 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6072
6073 * config/dsp16xx/dsp16xx.h: Update to new CPP macros.
6074
6075 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6076 Zack Weinberg <zack@codesourcery.com>
6077
6078 * c-common.c (c_common_init): Override cpplib's default
6079 warn_long_long setting.
6080 * c-lex.c (lex_number): Replace with interpret_integer,
6081 interpret_float, narrowest_unsigned_type and
6082 narrowest_signed_type, taking advantage of the new
6083 cpplib functionality.
6084 * cpperror.c (_cpp_begin_message): If a warning is turned
6085 into an error, avoid printing "warning:".
6086 * cppexp.c (cpp_num_sign_extend): New.
6087 * cppinit.c: Update comment.
6088 * cpplib.h (cpp_num_sign_extend): New.
6089 * tree.h: Update comment.
6090
6091 2002-06-02 Gabriel Dos Reis <gdr@codesourcery.com>
6092
6093 * diagnostic.h (struct diagnostic_context): Add new member
6094 internal_error.
6095 (internal_error_function): Remove declaration.
6096 * diagnostic.c (internal_error_function): Remove definition..
6097 (internal_error): Adjust use.
6098
6099 2002-06-02 Richard Henderson <rth@redhat.com>
6100
6101 * rtl.h (CC0_P): New.
6102 * gcse.c (cprop_jump): Use it with single_set. Tweak dump text.
6103 (cprop_insn): Allow any mode register; use CC0_P. CSE out single_set.
6104 (bypass_block): Save old dest block for dump text.
6105 (bypass_conditional_jumps): Allow any mode register; use CC0_P.
6106 Allow only true SET insns, not single_set.
6107
6108 2002-06-02 Gabriel Dos Reis <gdr@codesourcery.com>
6109
6110 * diagnostic.c (diagnostic_finish): Rename to output_flush.
6111 (clear_disgnostic_info): Rename to output_clear_data. Use false
6112 instead of 0 for boolean value.
6113 Adjust function call throughout.
6114
6115 Sun Jun 2 19:15:27 CEST 2002 Jan Hubicka <jh@suse.cz>
6116
6117 * cfgrtl.c (commit_one_edge_insertion): Fix warning.
6118 * gcse.c (bypass_conditional_jumps): CSE out single_set call.
6119
6120 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6121
6122 * d30v.h (CPP_PREDEFINES): Replace with
6123 (TARGET_CPU_CPP_BUILTINS): New.
6124
6125 2002-06-02 Roger Sayle <roger@eyesopen.com>
6126
6127 * config/alpha/alpha.h [ASM_OUTPUT_LABELREF]: Fix typo.
6128
6129 Sun Jun 2 12:11:52 CEST 2002 Jan Hubicka <jh@suse.cz>
6130
6131 * gcse.c (bypass_conditional_jumps): Use single set to obtain set.
6132
6133 2002-06-02 Richard Henderson <rth@redhat.com>
6134
6135 * rtlanal.c (volatile_refs_p): Not automatically true for CALL.
6136
6137 2002-06-02 Marek Michalkiewicz <marekm@amelek.gda.pl>
6138
6139 Support for C++ constructors/destructors.
6140 * config/avr/avr.c (avr_output_function_epilogue): Jump to exit()
6141 instead of looping if main() returns.
6142 (asm_file_start): Output global symbols that cause .data and .bss
6143 initialization code to be linked in, unconditionally for now.
6144 (avr_asm_out_ctor, avr_asm_out_dtor): New functions.
6145 * config/avr/avr.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): New.
6146 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6147 (LIBSTDCXX): New.
6148 * config/avr/libgcc.S (_exit): Split in .fini9 and .fini0 sections.
6149 (__tablejump__): New.
6150 (__do_copy_data, __do_clear_bss): New.
6151 (__do_global_ctors, __do_global_dtors): New.
6152 * config/avr/t-avr (LIB1ASMFUNCS): Add _copy_data, _clear_bss,
6153 _ctors, _dtors.
6154
6155 2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk>
6156
6157 * c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): New.
6158 (CPP_SPEC, CPP_PREDEFINES): Kill.
6159 * c4x/rtems.h (CPP_PREDEFINES): Kill.
6160 (TARGET_OS_CPP_BUILTINS): New.
6161
6162 Sat Jun 1 23:29:51 CEST 2002 Jan Hubicka <jh@suse.cz>
6163
6164 * Makefile.in (tracer.o): New.
6165 * params.def (TRACER_*): New options.
6166 * rtl.h (tracer): Declare.
6167 * timevar.def (TV_TRACER): New.
6168 * toplev.c (dump_file_index): Add DFI_tracer.
6169 (dump_file_info): Add tracer.
6170 (flag_tracer): New.
6171 (lang_indepdenent_options): Add tracer.
6172 (rest_of_compilation): Call tracer.
6173 * tracer.c: New file.
6174 * invoke.texi (-ftracer): Document.
6175 (--param tracer-*): Document.
6176
6177 2002-06-01 Daniel Berlin <dberlin@dberlin.org>
6178
6179 * tree-inline.c (expand_call_inline): Make the statement
6180 expression we generate have a COMPOUND_STMT.
6181
6182 2002-06-01 Roger Sayle <roger@eyesopen.com>
6183
6184 * gcse.c (cprop_cc0_jump): Function deleted.
6185 (cprop_jump): Take an additional argument which is the possibly
6186 NULL cc setting insn immediately before the conditional jump.
6187 When a MODE_CC set is present, substitute it into the JUMP_INSN
6188 before attempting the constant propagation.
6189 (cprop_insn): Recognize cc setters followed by conditional jumps
6190 as a special case. Use cprop_jump instead of cprop_cc0_jump.
6191 (cprop_one_pass): Call bypass_conditional_jumps if altering jumps.
6192 (find_bypass_set): New function based upon find_avail_set used by
6193 cprop, but finds constant expressions available at the end of
6194 basic blocks.
6195 (bypass_block): New function. Given a basic block that begins
6196 with a conditional jump and multiple incoming edges, perform
6197 the jump bypass optimization.
6198 (bypass_conditional_jumps): New function. Call bypass_block with
6199 each suitable basic block in the CFG using a simple single pass.
6200
6201 2002-06-01 Roger Sayle <roger@eyesopen.com>
6202
6203 * tree.c (real_minus_onep): New function to test for -1.0.
6204 * fold-const.c (fold) [MULT_EXPR]: Optimize -1.0*x into -x.
6205
6206 2002-06-01 Roger Sayle <roger@eyesopen.com>
6207
6208 * fold-const.c (fold_truthop): Transform "a || b" into "(a|b) != 0"
6209 and "!p && !q" into "(p|q) == 0" under suitable conditions.
6210
6211 2002-06-01 Andreas Jaeger <aj@suse.de>
6212
6213 * cppexp.c (cpp_classify_number): Cast precission to int for
6214 correct printf format.
6215
6216 2002-06-01 Marek Michalkiewicz <marekm@amelek.gda.pl>
6217
6218 * config/avr/avr.c (avr_mcu_types): Remove devices that were once
6219 expected, but don't really exist: atmega83, atmega85, attiny10.
6220 * config/avr/avr.h (LINK_SPEC): Update to use the new avr[1-5] ld
6221 emulations for all devices.
6222 (CRT_BINUTILS_SPECS): Remove atmega83, atmega85, attiny10.
6223 * config/avr/t-avr (MULTILIB_MATCHES): Remove atmega83, atmega85.
6224
6225 2002-06-01 Kazu Hirata <kazu@cs.umass.edu>
6226
6227 * config/h8300/h8300-protos.h: Add a prototype for
6228 h8300_shift_needs_scratch_p.
6229 * config/h8300/h8300.c (h8300_shift_needs_scratch_p): New.
6230 * config/h8300/h8300.h (OK_FOR_R): New.
6231 (OK_FOR_S): Likewise.
6232 (OK_FOR_T): Likewise.
6233 (EXTRA_CONSTRAINT): Call OK_FOR_R, OK_FOR_S, and OK_FOR_T.
6234 * config/h8300/h8300.md (anonymous shift patterns): Use
6235 constraints R, S, and T.
6236
6237 Sat Jun 1 11:23:22 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
6238
6239 * basic-block.h (struct basic_block_def): New field loop_father.
6240 (BB_VISITED): New flag.
6241 (struct loop): New field pred, removed field shared.
6242 (struct loops): New field parray.
6243 (LOOP_EXITS_DOMS): Removed.
6244 (flow_loop_tree_node_add, flow_loop_tree_node_remove,
6245 flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body,
6246 dfs_enumerate_from, loop_preheader_edge, loop_latch_edge,
6247 add_bb_to_loop, remove_bb_from_loops, find_common_loop,
6248 verify_loop_structure): Declare.
6249 * cfg.c (entry_exit_blocks): Initialize loop_father field.
6250 * cfganal.c (dfs_enumerate_from): New function.
6251 * cfgloop.c (HEAVY_EDGE_RATIO): New constant.
6252 (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6253 flow_loop_nodes_find, flow_loop_level_compute, flow_loop_nested_p,
6254 flow_loop_dump, flow_loops_dump, flow_loops_free,
6255 flow_loop_tree_node_add, flow_loop_level_compute,
6256 flow_loops_level_compute, flow_loop_scan, flow_loops_update,
6257 flow_loop_outside_edge_p): Modified for new infrastructure.
6258 (make_forwarder_block, canonicalize_loop_headers, glb_enum_p,
6259 redirect_edge_with_latch_update, flow_loop_free): New static functions.
6260 (flow_loop_tree_node_remove, flow_bb_inside_loop_p,
6261 get_loop_body, add_bb_to_loop, remove_bb_from_loops,
6262 find_common_loop, verify_loop_structure, loop_latch_edge,
6263 loop_preheader_edge): New functions.
6264 (flow_loops_cfg_dump): Do not show dominators, as this information
6265 does not remain up to date long.
6266 (flow_loops_find): Store results in new format.
6267 * predict.c (propagate_freq, estimate_probability,
6268 estimate_loops_at_level, estimate_bb_frequencies): Use new loop
6269 infrastructure.
6270
6271 2002-06-01 Alan Lehotsky <apl@alum.mit.edu>
6272
6273 * except.c (nothrow_function_p): Walk epilogue delay list
6274 checking the insn, not the chain for potential throws.
6275
6276 2002-05-31 Zack Weinberg <zack@codesourcery.com>
6277
6278 * Makefile.in (INSTALL_CPP, UNINSTALL_CPP): Remove.
6279 (install): Refer to install-cpp directly.
6280 (uninstall-cpp): Folded into uninstall rule.
6281 * configure.in: Delete all code relating to --disable-cpp.
6282 * configure: Regenerate.
6283 * config/t-install-cpp: Delete.
6284
6285 2002-05-31 Richard Henderson <rth@redhat.com>
6286
6287 * configure.in (HAVE_AS_TLS): Add alpha tests.
6288 * configure: Rebuild.
6289 * config/alpha/alpha.c (TARGET_AS_TLS): New.
6290 (alpha_tls_size, alpha_tls_size_string): New.
6291 (overide_options): Set it. Always install machine_status hooks.
6292 (input_operand): Accept got tls predicates.
6293 (local_symbol_p): Merge into ...
6294 (local_symbolic_operand): ... here. Reject tls symbols.
6295 (global_symbolic_operand): Likewise.
6296 (tls_symbolic_operand_1, dtp16_symbolic_operand): New.
6297 (dtp32_symbolic_operand, gotdtp_symbolic_operand): New.
6298 (tp16_symbolic_operand, tp32_symbolic_operand): New.
6299 (gottp_symbolic_operand, tls_symbolic_operand_type): New.
6300 (alpha_encode_section_info): Handle TLS symbols.
6301 (alpha_strip_name_encoding): Likewise.
6302 (alpha_legitimate_address_p): Likewise.
6303 (alpha_legitimize_address): Likewise.
6304 (alpha_expand_mov): Early exit to avoid nop moves.
6305 (struct machine_function): Move from unicosmk.h. Add some_ld_name.
6306 (alpha_init_machine_status, alpha_mark_machine_status,
6307 alpha_free_machine_status): Always define.
6308 (get_some_local_dynamic_name, get_some_local_dynamic_name_1): New.
6309 (print_operand, print_operand_address): Add TLS relocs.
6310 * config/alpha/alpha.h (HAVE_AS_TLS): Default 0.
6311 (MASK_TLS_KERNEL, TARGET_TLS_KERNEL): New.
6312 (TARGET_SWITCHES): Add -mtls-kernel.
6313 (alpha_tls_size, alpha_tls_size_string): New.
6314 (TARGET_OPTIONS): Add -mtls-size=.
6315 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS,
6316 REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Add R0_REG.
6317 (ASM_OUTPUT_LABELREF): Skip %.
6318 (PRINT_OPERAND_PUNCT_VALID_P): Add &.
6319 (PREDICATE_CODES): Update.
6320 * config/alpha/alpha.md (UNSPEC_TLSGD_CALL, UNSPEC_TLSLDM_CALL,
6321 UNSPEC_TLSGD, UNSPEC_TLSLDM, UNSPEC_DTPREL, UNSPEC_TPREL,
6322 UNSPEC_TP, UNSPECV_SET_TP): New.
6323 (adddi_er_lo16_dtp, adddi_er_hi32_dtp, adddi_er_lo32_dtp,
6324 adddi_er_lo16_tp, adddi_er_hi32_tp, adddi_er_lo32_tp, load_tp,
6325 set_tp, movdi_er_tlsgd, movdi_er_tlsldm, movdi_er_gotdtp,
6326 movdi_er_gottp, call_value_osf_tlsgd, call_value_osf_tlsldm): New.
6327 (call_value_osf_2_er): Accept anything as op4.
6328 * config/alpha/alpha-protos.h: Update.
6329 * config/alpha/unicosmk.h (struct machine_function): Move to alpha.c.
6330
6331 2002-05-31 Zack Weinberg <zack@codesourcery.com>
6332
6333 * cppinit.c (append_include_chain): Always pay attention to
6334 cxx_aware when setting new->sysp. Remove ATTRIBUTE_UNUSED
6335 marker on argument.
6336
6337 2002-05-31 Kazu Hirata <kazu@cs.umass.edu>
6338
6339 * target.h: Fix formatting.
6340 * timevar.h: Likewise.
6341 * tlink.c: Likewise.
6342 * toplev.c: Likewise.
6343 * toplev.h: Likewise.
6344 * tree.c: Likewise.
6345 * tree-dump.h: Likewise.
6346 * tree.h: Likewise.
6347 * tree-inline.h: Likewise.
6348 * unroll.c: Likewise.
6349 * unwind-dw2.c: Likewise.
6350 * unwind-dw2-fde.c: Likewise.
6351 * unwind-dw2-fde-glibc.c: Likewise.
6352 * unwind-dw2-fde.h: Likewise.
6353 * unwind.h: Likewise.
6354 * unwind-sjlj.c: Likewise.
6355 * varasm.c: Likewise.
6356 * varray.h: Likewise.
6357 * vmsdbg.h: Likewise.
6358 * vmsdbgout.c: Likewise.
6359 * xcoffout.h: Likewise.
6360
6361 2002-05-31 Igor Shevlyakov <igor@microunity.com>
6362
6363 * expr.c (compare_from_rtx): Generate comparison between op0 and op1
6364 rather than cc0 and 0 in a case when HAVE_cc0 is not defined.
6365
6366 2002-05-31 Matthew Woodcraft <mattheww@chiark.greenend.org.uk>
6367
6368 * gcc.c (cpp_unique_options): Remove "-d" options.
6369 (cpp_debug_options): New spec string.
6370 (default_compilers): Use it.
6371 * objc/lang-specs.h: Likewise.
6372
6373 2002-05-31 Nathanael Nerode <neroden@twcny.rr.com>
6374
6375 * gcc/Makefile.in: Replace HOST_PREFIX, HOST_PREFIX_1 with
6376 BUILD_PREFIX, BUILD_PREFIX_1, to correct nomenclature.
6377 * gcc/mklibgcc.in: Likewise.
6378 * gcc/config/arc/t-arc: Likewise.
6379 * gcc/configure.in: Likewise.
6380 * gcc/configure: Regenerate.
6381
6382 2002-05-31 Stan Shebs <shebs@apple.com>
6383 Turly O'Connor <turly@apple.com>
6384
6385 * c-decl.c (struct binding_level): Change int field n_incomplete
6386 to tree list incomplete_list.
6387 (clear_binding_level): Init field with NULL.
6388 (pushdecl): Add incomplete type to list.
6389 (mark_binding_level): Mark the incomplete list.
6390 (finish_struct): Scan the incomplete list for types instead
6391 of all decls in the current binding level.
6392
6393 2002-05-31 John David Anglin <dave@hiauly1.hia.nrc.ca>
6394
6395 * pa.c (output_millicode_call): Add missing '%' characters.
6396 (output_call): Likewise.
6397
6398 2002-05-31 David Edelsohn <edelsohn@gnu.org>
6399
6400 * config/rs6000/xcoff.h (HOT_TEXT_SECTION_NAME): Define.
6401 (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.
6402
6403 2002-05-31 Alan Lehotsky <apl@alum.mit.edu>
6404
6405 * varasm.c (mark_constant_pool): Walk epilogue delay list
6406 checking the insn, not the chain for potential constants.
6407
6408 Fri May 31 12:38:43 2002 J"orn Rennecke <joern.rennecke@superh.com>
6409
6410 * config/sh/elf.h (ASM_SPEC): Use subtarget_endian_asm_spec.
6411
6412 Fri May 31 13:50:19 CEST 2002 Jan Hubicka <jh@suse.cz>
6413
6414 * i386.c (classify_argument): Properly handle base types.
6415
6416 * dwarf2out.c (expand_builin_init_dwarf_reg_sizes):
6417 Store first DWARF_FRAME_REGISTERS dwarf registers, not pseudo
6418 registers.
6419
6420 Fri May 31 13:37:54 CEST 2002 Jan Hubicka <jh@suse.cz>
6421
6422 * gcse.c (gcse_emit_move_after): New.
6423 (pre_delete, hoist_store): Use it.
6424
6425 * reload1.c (emit_input_reload_insns): Use constrain_operands
6426 instead of constraint_accepts_reg_p to verify optimization.
6427 (constraint_accepts_reg_p): Kill
6428
6429 * reload1.c (reload_cse_delete_noop_set): Kill.
6430 (reload_cse_simplify): use delte_insn_and_edges.
6431
6432 2002-05-31 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
6433
6434 * cfgloop.c (flow_loops_find): Initialize first and last fields
6435 correctly.
6436
6437 2002-05-31 Neil Booth <neil@daikokuya.demon.co.uk>
6438
6439 * c-common.c (builtin_define_std): Correct logic.
6440
6441 2002-05-31 John David Anglin <dave@hiauly1.hia.nrc.ca>
6442
6443 * pa.c (output_millicode_call): Correct "be,l" insn for TARGET_PA_20.
6444 (output_call): Likewise.
6445
6446 2002-05-31 John David Anglin <dave@hiauly1.hia.nrc.ca>
6447
6448 * pa.c: Move output.h include after tree.h include.
6449 (pa_asm_output_mi_thunk): Constify identifier lab.
6450
6451 2002-05-31 Jason Thorpe <thorpej@wasabisystems.com>
6452
6453 * config/ns32k/ns32k.h: Define named constants for the
6454 bits in target_flags and use them.
6455 * config/ns32k/netbsd.h (TARGET_DEFAULT): Use named constants.
6456
6457 2002-05-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6458
6459 * config.gcc (tm_file): Prefix pa/pa-700.h to tm_file list for PA1.0
6460 architecture and pa/pa-7100.h for PA1.1 architecture, respectively.
6461 * pa/pa.c (override_options): Use TARGET_SCHED_DEFAULT to select
6462 default scheduling model.
6463 * pa/pa.h (TARGET_SCHED_DEFAULT): Define if not defined to "8000".
6464 * pa/pa-700.h (TARGET_SCHED_DEFAULT): New file for "700" scheduling.
6465 * pa/pa-7100.h (TARGET_SCHED_DEFAULT): New file for "7100" scheduling.
6466 * doc/install.texi (hppa*-*-*): Document default scheduling.
6467
6468 2002-05-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6469
6470 * pa.c (following_call): Check TARGET_JUMP_IN_DELAY.
6471
6472 2002-05-31 Jason Thorpe <thorpej@wasabisystems.com>
6473
6474 * config.gcc (ns32k-*-netbsd*): Set tm_file to
6475 "${tm_file} netbsd.h netbsd-aout.h ns32k/netbsd.h"
6476 * config/ns32k/netbsd.h: Don't include ns32k/ns32k.h,
6477 netbsd.h, or netbsd-aout.h.
6478
6479 2002-05-31 Jason Thorpe <thorpej@wasabisystems.com>
6480
6481 * longlong.h (count_trailing_zeros): Add missing \, and clean up
6482 whitespace in __ns32000__ case.
6483
6484 2002-05-31 Aldy Hernandez <aldyh@redhat.com>
6485
6486 * expr.c (expand_expr): Output partially zeroed out vectors with
6487 output_constant_def.
6488
6489 2002-05-30 Jason Thorpe <thorpej@wasabisystems.com>
6490
6491 * config.gcc (sh[123456789l]*-*-*): Set cpu_type to sh.
6492 (sh-*-netbsdelf*)
6493 (shl*-*-netbsdelf*): New targets.
6494 * config/sh/netbsd-elf.h: New file.
6495 * config/sh/t-netbsd: New file.
6496
6497 2002-05-30 Richard Henderson <rth@redhat.com>
6498 Eric Botcazou <ebotcazou@multimania.com>
6499
6500 PR optimization/6822
6501 * config/i386/i386.c (ix86_expand_int_movcc): Don't cast INTVAL
6502 to unsigned int for op1 comparisons. Use gen_int_mode.
6503
6504 2002-05-30 Eric Botcazou <ebotcazou@multimania.com>
6505
6506 * expmed.c (const_mult_add_overflow_p): New.
6507 * expr.h: Declare it.
6508 * loop.c (maybe_eliminate_biv_1) [COMPARE]: Use it.
6509 Don't eliminate the biv if the giv has a constant multiplier and
6510 the rhs argument of the comparison does satisfy the predicate.
6511 Use expand_mult_add to compute the replacement constant.
6512
6513 2002-05-30 Osku Salerma <osku@iki.fi>
6514
6515 * c-common.c (c_common_attribute_table): Add "may_alias" entry.
6516 (c_common_get_alias_set): Handle it.
6517 * doc/extend.texi: Document it.
6518
6519 2002-05-30 Richard Henderson <rth@redhat.com>
6520
6521 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill.
6522 * toplev.c (process_options): Don't check it.
6523 * doc/tm.texi: Don't document it.
6524 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6525 (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill.
6526 * config/i386/i386.c (ix86_frame_pointer_required): Suppress leaf
6527 frame pointer optimization if current_function_profile.
6528
6529 2002-05-30 Kazu Hirata <kazu@cs.umass.edu>
6530
6531 * langhooks.c: Fix formatting.
6532 * langhooks.h: Likewise.
6533 * lcm.c: Likewise.
6534 * libgcc2.c: Likewise.
6535 * lists.c: Likewise.
6536 * local-alloc.c: Likewise.
6537 * loop.c: Likewise.
6538 * loop.h: Likewise.
6539
6540 2002-05-30 Marc Espie <espie@openbsd.org>
6541
6542 * config.gcc (sparc64-*-openbsd*): New.
6543 * config/sparc/openbsd1-64.h: New.
6544 * config/sparc/openbsd64.h: New.
6545
6546 2002-05-30 Jeff Law <law@redhat.com>
6547
6548 * flow.c (propagate_one_insn): Revise yesterday's patch. Delete
6549 a dead insn with a REG_RETVAL note when the entire libcall is not
6550 dead and remove the associated REG_LIBCALL note at the same time.
6551
6552 Thu May 30 19:54:30 2002 J"orn Rennecke <joern.rennecke@superh.com>
6553
6554 * lcm.c (output.h): #include.
6555 (compute_earliest): Remove hack to treat renumbered EXIT_BLOCK
6556 as an ordinary block.
6557 (optimize_mode_switching): Don't pretend that the exit block is
6558 an ordinary block, or handle sucessors of entry block specially.
6559 Instead, split edges from entry block and to exit block, and
6560 put a computing definition on the thus gained post-entry-block,
6561 and a need on the pre-exit-block.
6562
6563 Thu May 30 20:28:01 CEST 2002 Jan Hubicka <jh@suse.cz>
6564
6565 * gengenrtl.c (type_from_format, accessor_from_format): Support 'B'.
6566 * rtl.texi: Document 'B'
6567
6568 2002-05-30 Jason Thorpe <thorpej@wasabisystems.com>
6569
6570 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Compute
6571 at run-time.
6572 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 96 if not __mc68010__.
6573
6574 2002-05-30 Aldy Hernandez <aldyh@redhat.com>
6575
6576 * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
6577 const0_rtx instead of NULL_RTX when in error.
6578 (altivec_expand_abs_builtin): Same.
6579 (rs6000_expand_binop_builtin): Same.
6580 (altivec_expand_predicate_builtin): Same.
6581 (altivec_expand_stv_builtin): Same.
6582 (rs6000_expand_ternop_builtin): Same.
6583 (altivec_expand_builtin): Same.
6584
6585 2002-05-29 David S. Miller <davem@redhat.com>
6586
6587 * rtl.h (clear_emit_caches): Delete.
6588 * integrate.c (output_inline_function): Don't call it.
6589 * emit-rtl.c (restore_emit_status, init_emit): Likewise.
6590 (clear_emit_caches): Delete definition.
6591 (SEQUENCE_RESULT_SIZE, sequence_result, free_insn): Likewise.
6592
6593 2002-05-30 Hans-Peter Nilsson <hp@bitrange.com>
6594
6595 * config/mmix/mmix.c: Include real.h.
6596 (mmix_constant_address_p): Remove redundant test before switch.
6597
6598 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6599
6600 * config/mips/mips.h (READONLY_DATA_SECTION_ASM_OP): Define
6601 only if not already defined.
6602
6603 2002-05-29 Kazu Hirata <kazu@cs.umass.edu>
6604
6605 * config/h8300/h8300-protos.h: Remove prototypes for
6606 ok_for_bclr and small_power_of_two.
6607 * config/h8300/h8300.c (small_power_of_two): Remove.
6608 (ok_for_blcr): Likewise.
6609 (fix_bit_operand): Make WHAT deal with an integer instead of a
6610 constraint character.
6611 * config/h8300/h8300.h (CONST_OK_FOR_O): Remove.
6612 (CONST_OK_FOR_P): Likewise.
6613 (CONST_OK_FOR_LETTER_P): Do not call CONST_OK_FOR_O or
6614 CONST_OK_FOR_P any more.
6615 * config/h8300/h8300.md (andqi3): Adjust to the new prototype
6616 of fix_bit_operand.
6617 (iorqi3): Likewise.
6618 (xorqi3): Likewise.
6619
6620 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6621
6622 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
6623 (CPP_PREDEFINES): Make sure this is undefined.
6624 (CPP_SPEC): Place -D__mips=1 at the beginning of the spec,
6625 since it is no longer in CPP_PREDEFINES. Don't -U__MIPSEL__
6626 or -U__MIPSEB__ before defining one or the other. Instead,
6627 use %(subtarget_endian_default) if neither -EB nor -EL are
6628 specified.
6629 (SUBTARGET_EXTRA_SPECS): Define.
6630 (SUBTARGET_CPP_SPEC): Remove __LONG64 handling. Use
6631 %(netbsd_cpp_spec).
6632
6633 2002-05-29 Hans-Peter Nilsson <hp@axis.com>
6634
6635 * doc/md.texi (Patterns): Note pattern condition pitfall
6636 for unnamed insn.
6637
6638 2002-05-29 Aldy Hernandez <aldyh@redhat.com>
6639
6640 * rs6000.c: (altivec_expand_builtin): Only expand altivec builtins
6641 when TARGET_ALTIVEC. Move handling of generic unary, binary, and
6642 ternary operations from here...
6643 (rs6000_expand_builtin): ...to here.
6644 New argument expandedp.
6645 Change all instances of altivec_expand_binop_builtin to
6646 rs6000_expand_binop_builtin.
6647 (altivec_expand_unop_builtin): Rename to
6648 rs6000_expand_unop_builtin.
6649 (altivec_expand_binop_builtin): Rename to
6650 rs6000_expand_binop_builtin.
6651 (altivec_expand_ternop_builtin): Rename to
6652 rs6000_expand_ternop_builtin.
6653
6654 2002-05-29 Richard Henderson <rth@redhat.com>
6655
6656 * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Define with value.
6657 (TARGET_BI_ARCH): Likewise.
6658 * config/i386/i386.h: Test TARGET_64BIT_DEFAULT by value.
6659 (TARGET_SWITCHES): Combine target defaults here not in TARGET_DEFAULT.
6660 (TARGET_64BIT_DEFAULT): Default to 0.
6661 (TARGET_DEFAULT): Default to MASK_OMIT_LEAF_FRAME_POINTER.
6662
6663 2002-05-29 Richard Henderson <rth@redhat.com>
6664
6665 * config/i386/i386.c (USE_HIDDEN_LINKONCE): New.
6666 (get_pc_thunk_name): New.
6667 (output_set_got): Use it.
6668 (ix86_asm_file_end): If USE_HIDDEN_LINKONCE, emit get_pc thunks
6669 into linkonce sections.
6670
6671 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6672
6673 * config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6674 (CPP_PREDEFINES): Make sure this is undefined.
6675 (CPP_SUBTARGET_SPEC64, CPP_SUBTARGET_SPEC32): Remove.
6676 (CPP_SUBTARGET_SPEC): Don't provide different versions for
6677 default-32 and default-64. Just always use %(netbsd_cpp_spec).
6678 (SUBTARGET_EXTRA_SPECS): Remove cpp_subtarget_spec32 and
6679 cpp_subtarget_spec64. Add netbsd_cpp_spec.
6680 * config/sparc/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
6681 (CPP_PREDEFINES): Make sure this is undefined.
6682 (SUBTARGET_EXTRA_SPECS): Define.
6683 (CPP_SPEC): Use %(netbsd_cpp_spec).
6684
6685 2002-05-29 Jeff Law <law@redhat.com>
6686
6687 * pa.h (ASM_OUTPUT_MI_THUNK): Remove unwanted semi-colon.
6688
6689 * flow.c (propagate_one_insn): Do not remove a dead insn if it
6690 contains a REG_RETVAL note.
6691
6692 * haifa-sched (sched_analyze): Remove another useless clearing
6693 of SCHED_GROUP_P I missed yesterday.
6694
6695 * pa.h (ASM_OUTPUT_MI_THUNK): Move implementation into pa.c.
6696 * pa.c (pa_asm_output_mi_thunk): New function.
6697 * pa-protos.h (pa_asm_output_mi_thunk): Declare.
6698
6699 2002-05-29 Neil Booth <neil@daikokuya.demon.co.uk>
6700 Marek Michalkiewicz <marekm@amelek.gda.pl>
6701
6702 * config/avr/avr.c (avr_base_arch_macro, avr_extra_arch_macro): New.
6703 (avr_asm_only_p): Make non-static.
6704 (enum avr_arch): Remove.
6705 (avr_arch_types): New.
6706 (avr_mcu_types): Update.
6707 (avr_override_options): Use avr_arch_types table instead of switch.
6708 * avr.h (CPP_PREDEFINES): Die.
6709 (avr_base_arch_macro, avr_extra_arch_macro): New.
6710 (TARGET_CPU_CPP_BUILTINS): New.
6711 (CPP_SPEC, EXTRA_SPECS): Simplify.
6712 (CPP_AVR1_SPEC, CPP_AVR2_SPEC, CPP_AVR3_SPEC, CPP_AVR4_SPEC,
6713 CPP_AVR5_SPEC): Die.
6714
6715 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6716
6717 * config/arm/netbsd.h (TARGET_OS_CPP_BUILTINS): Use
6718 NETBSD_OS_CPP_BUILTINS_AOUT.
6719 (SUBTARGET_EXTRA_SPECS): Define.
6720 (CPP_SPEC): Use %(netbsd_cpp_spec).
6721
6722 2002-05-29 Richard Henderson <rth@redhat.com>
6723
6724 * config/i386/i386.c (ix86_output_function_epilogue): New.
6725 (TARGET_ASM_FUNCTION_EPILOGUE): New.
6726 (pic_label_name): Remove.
6727 (pic_labels_used): New.
6728 (ix86_asm_file_end): Emit one pc load stub for each register used.
6729 (output_set_got): Generate deep pc load to any register.
6730 (ix86_select_alt_pic_regnum): New.
6731 (ix86_save_reg): Don't save pic register if we can find a valid
6732 call-clobbered replacement.
6733 (ix86_expand_prologue): If we found a valid replacement, renumber
6734 pic_offset_table_rtx.
6735 * config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Look at
6736 pic_offset_table_rtx after reload.
6737 (REAL_PIC_OFFSET_TABLE_REGNUM): New.
6738 * config/i386/i386.md (set_got): Make insn, not expander.
6739 (set_got_nopic, set_got_deep, set_got_nodeep): Remove.
6740
6741 2002-05-29 Richard Henderson <rth@redhat.com>
6742
6743 * config/i386/i386.c (ix86_compute_frame_layout): Do add bottom
6744 alignment for alloca.
6745
6746 2002-05-29 Richard Henderson <rth@redhat.com>
6747
6748 * config/i386/i386.c (output_pic_addr_const): Lowercase rip.
6749 (print_operand_address): Only add rip for symbolic addresses
6750 for which we do not have another relocation type.
6751
6752 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6753
6754 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6755 (EXTRA_SPECS): Add netbsd_cpp_spec.
6756 (CPP_SPEC): Use %(netbsd_cpp_spec).
6757 (CPP_PREDEFINES): Remove.
6758 * config/m68k/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
6759 (EXTRA_SPECS): Define.
6760 (CPP_SPEC): Use %(netbsd_cpp_spec).
6761 (CPP_PREDEFINES): Remove.
6762
6763 2002-05-29 Neil Booth <neil@daikokuya.demon.co.uk>
6764
6765 PR preprocessor/6844
6766 * cppmacro.c (cpp_macro_definition): Reserve space for terminating
6767 NUL.
6768
6769 2002-05-29 Eric Christopher <echristo@redhat.com>
6770
6771 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Add support for
6772 mips5/mips32/mips64 and _MIPS_ISA_MIPSXX.
6773
6774 2002-05-29 Nick Clifton <nickc@cambridge.redhat.com>
6775
6776 * config/fr30/fr30.md: Remove previous restriction on splits.
6777 Enforce conformance through gen_lowpart and cont_int_operand.
6778 * config/fr30/fr30.h (BSS_SECTION_ASM_OP): Use ".section .bss"
6779 as the assembler does not support ".bss".
6780
6781 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6782
6783 * config/i386/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6784 (CPP_PREDEFINES): Remove.
6785 (SUBTARGET_EXTRA_SPECS): Define.
6786 (CPP_SPEC): Use %(netbsd_cpp_spec).
6787 * config/i386/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
6788 (CPP_PREDEFINES): Remove.
6789 (SUBTARGET_EXTRA_SPECS): Define.
6790 (CPP_SPEC): Use %(netbsd_cpp_spec).
6791 * config/i386/netbsd64.h (TARGET_OS_CPP_BUILTINS): Define.
6792 (CPP_PREDEFINES, CPP_LP64_SPEC, CPP_SUBTARGET_SPEC): Remove.
6793 (SUBTARGET_EXTRA_SPECS): Remove cpp_lp64 and cpp_subtarget.
6794 Add netbsd_cpp_spec.
6795 (CPP_SPEC): Remove %(cpp_subtarget), add %(netbsd_cpp_spec).
6796
6797 2002-05-29 Neil Booth <neil@daikokuya.demon.co.uk>
6798 Zack Weinberg <zack@codesourcery.com>
6799
6800 * cppexp.c (cpp_num): Move to cpplib.h.
6801 (CPP_ERROR): Remove.
6802 (interpret_float_suffix, interpret_int_suffix): New.
6803 (struct suffix, vsuf_1, vsuf_2, vsuf_3): Remove.
6804 (cpp_classify_number, cpp_interpret_integer): New.
6805 (interpret_number): Remove.
6806 (eval_token): Update to use new routines.
6807 * cpphash.h (cpp_num_part): Move to cpplib.h.
6808 * cppinit.c (cpp_post_options): Set warn_long_long.
6809 * cpplib.h (struct cpp_options): Add warn_long_long.
6810 (cpp_num, cpp_num_part, CPP_N_CATEGORY, CPP_N_INVALID,
6811 CPP_N_INTEGER, CPP_N_FLOATING, CPP_N_WIDTH, CPP_N_SMALL,
6812 CPP_N_MEDIUM, CPP_N_LARGE, CPP_N_RADIX, CPP_N_DEC, CPP_N_HEX,
6813 CPP_N_OCTAL, CPP_N_UNSIGNED, CPP_N_IMAGINARY, cpp_classify_number,
6814 cpp_interpret_integer): New.
6815
6816 2002-05-29 Joel Sherrill <joel@OARcorp.com>
6817
6818 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Use -m403 and -m405.
6819
6820 2002-05-29 Jason Thorpe <thorpej@wasabisystems.com>
6821
6822 * config/alpha/netbsd.h (TARGET_OS_CPP_BUILTINS): Use
6823 NETBSD_OS_CPP_BUILTINS_ELF and NETBSD_OS_CPP_BUILTINS_LP64.
6824 (CPP_SUBTARGET_SPEC): Define.
6825 (SUBTARGET_EXTRA_SPECS): Define.
6826 (CPP_SPEC): Remove.
6827
6828 2002-05-29 Chris Lattner <sabre@nondot.org>
6829
6830 * ssa.c (rename_insn_1): Rename uses of undefined registers to
6831 prevent confusion if/when the register is defined.
6832
6833 2002-05-29 Hans-Peter Nilsson <hp@axis.com>
6834
6835 PR target/6838
6836 * config/cris/cris.md: Fix typos and thinkos in comments.
6837 ("*mov_sideqi_biap_mem"): Remove '*' in constraint for operand 4,
6838 second alternative.
6839 ("*mov_sidehi_biap_mem", "*mov_sidesi_biap_mem"): Ditto.
6840 ("*mov_sideqi_mem"): Similar, but for operand 3.
6841 ("*mov_sidehi_mem", "*mov_sidesi_mem"): Ditto.
6842 (splitter for mov_sideqi_mem, mov_sidehi_mem, mov_sidesi_mem):
6843 Remove spurious mode specifier on operand 2.
6844
6845 2002-05-29 Kazu Hirata <kazu@cs.umass.edu>
6846
6847 * config/h8300/h8300-protos.h: Remove the prototype for
6848 o_operand.
6849 Add prototypes for single_one_operand and single_zero_operand.
6850 * config/h8300/h8300.c (o_operand): Remove.
6851 (single_one_operand): New.
6852 (single_zero_operand): Likewise.
6853 (print_operand): For 'V' operand, and the operand with 0xff.
6854 For 'V' and 'W' operands, do not and the bit position with 7.
6855 * config/h8300/h8300.md (various anonymous patterns): Replace
6856 use of exact_log2 with single_one_operand/single_zero_operand.
6857
6858 2002-05-29 Ulrich Weigand <uweigand@de.ibm.com>
6859
6860 * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6861
6862 2002-05-29 Ulrich Weigand <uweigand@de.ibm.com>
6863
6864 * config/s390/s390.c (legitimate_pic_operand_p): Do not
6865 accept symbolic LARL operands.
6866 (s390_emit_epilogue): Do not set FRAME_RELATED_P on
6867 epilogue insns.
6868
6869 2002-05-29 Hartmut Penner <hpenner@de.ibm.com>
6870
6871 * config/s390/s390.md (cmpstr_64/31): Mark whole
6872 input registers as used.
6873
6874 2002-05-28 Richard Henderson <rth@redhat.com>
6875
6876 * config/i386/i386.c (ix86_save_reg): Examine regs_ever_live,
6877 not current_function_uses_pic_offset_table and
6878 current_function_uses_const_pool; examine current_function_profile.
6879 (ix86_expand_prologue): Likewise. Add pic_offset_table_rtx as
6880 input to blockage if needed.
6881 (ix86_expand_call): Do not set current_function_uses_pic_offset_table.
6882 (legitimize_pic_address): Likewise. Set regs_ever_live for
6883 pic_offset_table_rtx when invoked during reload.
6884 * config/i386/i386.h (FINALIZE_PIC): Remove.
6885 * config/i386/i386.md (tablejump): Reformat. Do not set
6886 current_function_uses_pic_offset_table.
6887 (tls_global_dynamic, tls_local_dynamic_base): Likewise.
6888 (blockage): Accept anything as operand 0.
6889
6890 2002-05-28 Jason Thorpe <thorpej@wasabisystems.com>
6891
6892 * config/netbsd-aout.h (NETBSD_OS_CPP_BUILTINS_AOUT): Define
6893 common CPP built-ins for all NetBSD a.out targets.
6894 * config/netbsd-elf.h (NETBSD_OS_CPP_BUILTINS_ELF): Define
6895 common CPP built-ins for all NetBSD ELF targets.
6896 * config/netbsd.h: Add missing notice.
6897 (NETBSD_OS_CPP_BUILTINS_COMMON): Define common CPP built-ins
6898 for all NetBSD targets.
6899 (NETBSD_OS_CPP_BUILTINS_LP64): Define common CPP built-ins
6900 for all NetBSD targets using an LP64 code model.
6901 (NETBSD_CPP_SPEC): Define CPP_SPEC parts common to all
6902 NetBSD targets.
6903
6904 2002-05-28 Richard Henderson <rth@redhat.com>
6905
6906 * flow.c (update_life_info_in_dirty_blocks): Only do a partial
6907 update if UPDATE_LIFE_LOCAL.
6908
6909 2002-05-28 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6910
6911 * config/sh/sh.c: Include real.h for REAL_VALUE_TYPE.
6912
6913 Tue May 28 21:16:18 2002 J"orn Rennecke <joern.rennecke@superh.com>
6914 Jason R. Thorpe <thorpej@wasabisystems.com>
6915
6916 config/sh reorganization to factor out endianness and coff:
6917
6918 * config/sh/little.h: New file.
6919 * config/sh/sh.h (TARGET_ENDIAN_DEFAULT): If not already
6920 defined, define to 0 to select big-endian.
6921 (SUBTARGET_ASM_ENDIAN_SPEC): Define according to TARGET_ENDIAN_DEFAULT.
6922 (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
6923 * config/sh/sh64.h (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
6924 * config/sh/t-be: New file.
6925 * config/sh/t-le: New file.
6926
6927 * sh.h (SDB_DEBUGGING_INFO, #include "dbxcoff.h"): Moved to sh/coff.h.
6928 (SDB_DELIM, MAX_OFILE_ALIGNMENT, IDENT_ASM_OP): Likewise.
6929 (TARGET_ASM_NAMED_SECTION, ASM_OUTPUT_SKIP): Likewise.
6930 (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX): Likewise.
6931 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6932 (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Likewise.
6933 (ASM_FILE_END, ASM_DECLARE_FUNCTION_NAME): Deleted.
6934 (CPP_SPEC, SUBTARGET_CPP_ENDIAN_SPEC): Likewise.
6935 (SUBTARGET_CPP_SPEC, CPP_DEFAULT_CPU_SPEC, CPP_PREDEFINES): Likewise.
6936 (EXTRA_SPECS): Remove SUBTARGET_CPP_ENDIAN_SPEC and
6937 CPP_DEFAULT_CPU_SPEC. Add LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL,
6938 SUBTARGET_LINK_EMUL_SUFFIX and SUBTARGET_LINK_SPEC.
6939 (LINK_SPEC): Define to SH_LINK_SPEC.
6940 (TARGET_CPU_CPP_BUILTINS, SH_LINK_SPEC): Define.
6941 (LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL): Likewise.
6942 (SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise.
6943 (CPP_SPEC): Reduce to %(subtarget_cpp_spec).
6944 (TARGET_ENDIAN_DEFAULT): Define if not already defined.
6945 * config/sh/coff.h: New file.
6946 (TARGET_ASM_NAMED_SECTION): Now default_coff_asm_named_section
6947 (TARGET_OBJFMT_CPP_BUILTINS): Define.
6948 * config/sh/elf.h (IDENT_ASM_OP): No need to #undef at the start.
6949 (ASM_FILE_END, ASM_OUTPUT_SOURCE_LINE): Likewise.
6950 (DBX_OUTPUT_MAIN_SOURCE_FILE_END, TARGET_ASM_NAMED_SECTION): Likewise.
6951 (ASM_DECLARE_FUNCTION_NAME, MAX_OFILE_ALIGNMENT, SIZE_TYPE): Likewise.
6952 (PTRDIFF_TYPE): Likewise.
6953 ("dbxelf.h", "elfos.h", "svr4.h"): Don't #include.
6954 (CPP_PREDEFINES): Don't define.
6955 (TARGET_OBJFMT_CPP_BUILTINS): Define.
6956 (LINK_SPEC): Define to SH_LINK_SPEC.
6957 (LINK_EMUL_PREFIX): Redefine.
6958 * config/sh/linux.h: (SUBTARGET_CPP_SPEC): Remove -fpic / -fPIC cases.
6959 (SUBTARGET_CPP_ENDIAN_SPEC, CPP_DEFAULT_CPU_SPEC): Remove redefinition.
6960 (CPP_PREDEFINES, SUBTARGET_ASM_ENDIAN_SPEC): Likewise.
6961 (CC1_SPEC, CC1PLUS_SPEC, LINK_SPEC): Likewise.
6962 (TARGET_OS_CPP_BUILTINS): Define.
6963 (TARGET_DEFAULT): Redefine.
6964 (SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise.
6965 * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Remove.
6966 (LINK_SPEC): Don't redefine.
6967 (LINK_DEFAULT_CPU_EMUL): Redefine.
6968 (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
6969 * sh.c (sh_asm_named_section): Don't declare / define.
6970 * t-linux (MULTILIB_OPTIONS): Rely on pre-set endianness option.
6971 * config.gcc (sh-*-elf* tm_file): Add dbxelf.h elfos.h svr4.h.
6972 (sh64-*-elf* tm_file): Likewise.
6973 (sh-*-rtemself* tm_file): Likewise.
6974 (sh-*-linux* tm_file): Likewise. Add sh/little.h.
6975 (sh-*-linux* tmake_file): Add sh/t-le.
6976 (sh-*-rtems* tm_file): Add sh/coff.h
6977 (sh-*-* tm_file): Likewise.
6978
6979 Tue May 28 21:16:18 2002 J"orn Rennecke <joern.rennecke@superh.com>
6980
6981 * sh.h (LEGITIMATE_PIC_OPERAND_P): Check for SYMBOL_REF before using
6982 CONSTANT_POOL_ADDRESS_P.
6983
6984 * coff.h (HAS_INIT_SECTION, INVOKE__MAIN): Define.
6985
6986 2002-05-28 David Edelsohn <edelsohn@gnu.org>
6987 Jeff Law <law@redhat.com>
6988
6989 * optabs.c (expand_binop): Fix nwords sign warnings.
6990 generate pseudo for add_optab.
6991
6992 * sched-deps.c (sched_analyze): Do not clear SCHED_GROUP_P.
6993 * haifa-sched.c (move_insn): Clear SCHED_GROUP_P after it is used.
6994
6995 2002-05-28 Marc Espie <espie@openbsd.org>
6996
6997 * config/i386/openbsd.h (HAVE_GAS_MAX_SKIP_P2ALIGN): Remove,
6998 inherited from gas.h.
6999 (ASM_QUAD): Undef. OpenBSD does not support it.
7000
7001 2002-05-28 Danny Smith <dannysmith@users.sourceforge.net>
7002
7003 * doc/install.texi (binaries): Change mingw binaries
7004 link to www.mingw.org.
7005
7006 2002-05-28 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
7007
7008 * cfgloop.c (flow_loops_cfg_dump): Use bb->index, not i.
7009
7010 2002-05-28 Richard Henderson <rth@redhat.com>
7011
7012 * config/i386/i386.c (ix86_compute_frame_layout): Do not add
7013 bottom alignment for leaf functions.
7014
7015 2002-05-28 Zack Weinberg <zack@codesourcery.com>
7016
7017 * config/pa/milli32.S, config/pa/lib1funcs.asm,
7018 config/sparc/sol2-g1.asm: Delete unused files.
7019
7020 2002-05-28 Richard Henderson <rth@redhat.com>
7021
7022 * cfg.c (dump_flow_info): Print bb->index, not i, for block number.
7023
7024 * flow.c (calculate_global_regs_live): Rename call_used to
7025 invalidated_by_call. Initialize from regs_invalidated_by_call
7026 instead of call_used_regs.
7027
7028 * varasm.c (default_binds_local_p): Check TREE_PUBLIC before
7029 DECL_EXTERNAL.
7030
7031 2002-05-28 Zack Weinberg <zack@codesourcery.com>
7032
7033 * tree.h: Don't include real.h.
7034 Forward-declare struct realvaluetype.
7035 (struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not
7036 contain it.
7037 (TREE_REAL_CST_PTR): New accessor.
7038 (TREE_REAL_CST): Update.
7039 * real.h: Include machmode.h.
7040 (realvaluetype): Make it struct realvaluetype, not a typedef.
7041 (build_real): Prototype here.
7042
7043 * tree.c: Include real.h.
7044 (build_real): Allocate the REAL_VALUE_TYPE as a separate
7045 object in GC memory, set TREE_REAL_CST_PTR to point to it.
7046 (build_real_from_int_cst): Use build_real.
7047 * ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a
7048 REAL_CST.
7049
7050 * builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c,
7051 fold-const.c, print-tree.c, real.c: Include real.h.
7052 * Makefile.in: Update dependency lists.
7053
7054 2002-05-28 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
7055
7056 * basic-block.h (last_basic_block): Declare.
7057 (expunge_block_nocompact): Declaration removed.
7058 (compact_blocks): Declare.
7059 * cfg.c (last_basic_block): New variable.
7060 (expunge_block_nocompact): Removed.
7061 (expunge_block): Do not compact basic blocks.
7062 (compact_blocks): New.
7063 * cfganal.c (flow_call_edges_add): Use the fact that bb indices no
7064 longer change.
7065 * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Set
7066 last_basic_block.
7067 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Do not change
7068 real positions of blocks.
7069 (delete_unreachable_blocks): Simplified -- quadratic behavior now
7070 cannot occur.
7071 (cleanup_cfg): Compact blocks.
7072 * cfgrtl.c (create_basic_block): Insert basic blocks to the end of
7073 basic_block_info varray.
7074 (flow_delete_block): Comment update.
7075 (back_edge_of_syntactic_loop_p): Modify position check code.
7076 (verify_flow_info): Update checking.
7077 * flow.c (calculate_global_regs_live): Use FOR_EACH_BB.
7078 * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
7079 (find_if_case_1, find_if_case_2, if_convert): Use the fact that bb
7080 indices no longer change.
7081 * lcm.c (optimize_mode_switching): Replace n_basic_blocks with
7082 last_basic_block.
7083 * predict.c (estimate_bb_frequencies): Remove unneccessary code.
7084 * profile.c (branch_prob): Compact blocks.
7085 * sched-rgn.c (find_rgns): Replace n_basic_blocks with
7086 last_basic_block.
7087
7088 2002-05-28 Kazu Hirata <kazu@cs.umass.edu>
7089
7090 * config/h8300/h8300.md (two anonymous patterns): New.
7091
7092 2002-05-28 David S. Miller <davem@redhat.com>
7093
7094 * config/sparc/sparc.md (cpu): Tidy.
7095 (type): Delete 'return', add 'ialuX', 'flushw', 'iflush', and
7096 'trap'.
7097 (in_call_delay): Delete reference to 'return' type.
7098 (eligible_for_return_delay, in_return_delay, define_delay
7099 referencing those): Delete.
7100 (rest of file): Use new type attributes as appropriate.
7101 * config/sparc/sparc-protos.h (eligible_for_return_delay): Delete.
7102 * config/sparc/sparc.c (eligible_for_return_delay): Likewise.
7103 * config/sparc/ultra1_2.md (us1_single): New reservation.
7104 (us1_ialuX): Likewise.
7105 * config/sparc/ultra3.md (us3_single): Likewise.
7106 (us3_ialuX): Likewise.
7107 (us3_imul, us3_idiv): Tweak.
7108
7109 2002-05-28 Richard Henderson <rth@redhat.com>
7110
7111 * config/alpha/alpha.c (alpha_in_small_data_p): Return false for
7112 STRING_CST.
7113
7114 2002-05-28 Richard Henderson <rth@redhat.com>
7115
7116 * config.gcc: Obsolete mn10200.
7117
7118 2002-05-28 Neil Booth <neil@daikokuya.demon.co.uk>
7119
7120 * cppexp.c (interpret_number): Optimize for single-digit
7121 and less-than-half-precision cases.
7122 (num_trim, num_positive, num_div_op): Cast constants.
7123
7124 2002-05-27 Bo Thorsen <bo@suse.de>
7125
7126 * config/i386/libgcc-x86_64-glibc.ver: Copy this file from the
7127 3.1 branch. The file was made by Jakub Jelinek.
7128 * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Add i386
7129 support so multilib doesn't break. And don't define this at all
7130 when -Dinhibit_libc is used.
7131 (MULTILIB_DEFAULTS): Always set default to 64 bit compilation.
7132 * config/i386/t-linux64: Implement full multilib support. Patch
7133 originally done by Andreas Jaeger and Jakub Jelinek.
7134
7135 2002-05-27 Roger Sayle <roger@eyesopen.com>
7136
7137 * c-common.c: Add support for __attribute__((nothrow)) to specify
7138 that a function cannot throw an exception (using TREE_NOTHROW).
7139 (handle_nothrow_attribute): New function to process this attribute.
7140
7141 * doc/extend.texi: Document the new nothrow function attribute.
7142
7143 2002-05-27 H.J. Lu (hjl@gnu.org)
7144
7145 * cppexp.c (num_trim): Use 1UL instead of 1 for long int.
7146 (num_positive): Likewise.
7147 (num_div_op): Likewise.
7148
7149 2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
7150
7151 * c-common.c (c_common_init): Always use intmax_t.
7152
7153 2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
7154
7155 * c-common.c (c_common_init): Use intmax_t for now.
7156
7157 2002-05-24 Andrew Haley <aph@redhat.com>
7158
7159 * fold-const.c (fold): Don't convert (T)(x & c) into (T)x & (T)c
7160 if T is a boolean type.
7161
7162 2002-05-27 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
7163
7164 * basic-block.h (last_basic_block): Defined as synonym for
7165 n_basic_blocks.
7166 * cfganal.c (mark_dfs_back_edges, flow_reverse_top_sort_order_compute,
7167 flow_depth_first_order_compute, flow_preorder_transversal_compute,
7168 flow_dfs_compute_reverse_init): Replaced relevant occurences of
7169 n_basic_blocks with last_basic_block.
7170 * cfgbuild.c (make_edges): Likewise.
7171 * cfgloop.c (flow_loop_scan, flow_loops_find): Likewise.
7172 * cfgrtl.c (verify_flow_info, purge_all_dead_edges): Likewise.
7173 * combine.c (combine_instructions): Likewise.
7174 * df.c (df_alloc, df_analyse_1, df_analyse, iterative_dataflow_sbitmap,
7175 iterative_dataflow_bitmap): Likewise.
7176 * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
7177 calc_idoms, idoms_to_doms): Likewise.
7178 * flow.c (update_life_info_in_dirty_blocks, free_basic_block_vars):
7179 Likewise.
7180 * gcse.c (gcse_main, alloc_gcse_mem, compute_local_properties,
7181 compute_hash_table, expr_reaches_here_p, one_classic_gcse_pass,
7182 one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p,
7183 one_pre_gcse_pass, compute_transpout, delete_null_pointer_checks_1,
7184 delete_null_pointer_checks, compute_code_hoist_vbeinout,
7185 hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
7186 compute_store_table, build_store_vectors): Likewise.
7187 * haifa-sched.c (sched_init): Likewise.
7188 * ifcvt.c (if_convert): Likewise.
7189 * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
7190 pre_edge_lcm, compute_available, compute_nearerout,
7191 compute_rev_insert_delete, pre_edge_rev_lcm, optimize_mode_switching):
7192 Likewise.
7193 * predict.c (estimate_probability, process_note_prediction,
7194 note_prediction_to_br_prob): Likewise.
7195 * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): Likewise.
7196 * recog.c (split_all_insns, peephole2_optimize): Likewise.
7197 * regrename.c (copyprop_hardreg_forward): Likewise.
7198 * resource.c (init_resource_info): Likewise.
7199 * sched-rgn.c (build_control_flow, find_rgns, compute_trg_info,
7200 init_regions, schedule_insns): Likewise.
7201 * ssa-ccp.c (ssa_const_prop): Likewise.
7202 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
7203 * ssa.c (compute_dominance_frontiers,
7204 compute_iterated_dominance_frontiers, convert_to_ssa): Likewise.
7205
7206 * df.c (df_refs_unlink): Fix FOR_EACH_BB usage (in #if 0'ed code)
7207 * gcse.c (alloc_rd_mem, alloc_avail_expr_mem): Use n_blocks for vector
7208 sizes consistently.
7209
7210 Mon May 27 14:28:12 CEST 2002 Jan Hubicka <jh@suse.cz>
7211
7212 * basic-block.h (can_hoist_p, hoist_insn_after, hoist_insn_to_edge):
7213 new.
7214 * rtlanal.c (hoist_test_store, can_hoist_insn_p, hoist_update_store,
7215 hoist_insn_after, hoist_insn_to_edge): New.
7216
7217 Mon May 27 12:14:02 CEST 2002 Jan Hubicka <jh@suse.cz>
7218
7219 * basic-block.h (PEOP_SCAN_DEAD_STORES): New.
7220 (PROP_FINAL): Include.
7221 * flow.c (life_analysis, update_life_info,
7222 init_propagate_block_info, mark_set_1, mark_used_rgs):
7223 Support SCAN_DEAD_STORE.
7224
7225 2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
7226
7227 * c-common.c (c_common_init): Set CPP arithmetic precision.
7228 * cppexp.c (cpp_num_part): Move typedef ...
7229 * cpphash.h: ...here; make unsigned HOST_WIDE_INT.
7230 * cppinit.c (cpp_create_reader): Default to host long arithmetic.
7231 (sanity_checks): Update.
7232
7233 2002-05-26 Geoffrey Keating <geoffk@redhat.com>
7234
7235 * Makefile.in (INSTALL_HEADERS): Add 'install-mkheaders'.
7236 (mkheaders): New rule.
7237 (install-mkheaders): New rule.
7238 * configure.in (all_outputs): Add mkheaders.
7239 * configure: Regenerate.
7240 * mkheaders.in: New file.
7241
7242 2002-05-26 Jakub Jelinek <jakub@redhat.com>
7243
7244 * cse.c (fold_rtx): Don't optimize if SUBREG changes mode class.
7245
7246 2002-05-26 Andreas Jaeger <aj@suse.de>
7247
7248 * cfg.c (dump_flow_info): Remove extra argument to fprintf.
7249
7250 2002-05-26 Neil Booth <neil@daikokuya.demon.co.uk>
7251
7252 * cppexp.c (possible_sum_sign, integer_overflow, left_shift,
7253 right_shift): Remove.
7254 (cpp_num, cpp_num_part, PART_PRECISION, HALF_MASK, LOW_PART,
7255 HIGH_PART): New.
7256 (struct op): Use cpp_num.
7257 (num_zerop, num_eq, num_positive, num_greater_freq, num_trim,
7258 num_part_mul, num_unary_op, num_binary_op, num_negate,
7259 num_bitwise_op, num_inequality_op, num_equality_op, num_mul,
7260 num_div_op, num_lshift, num_rshift, append_digit): New.
7261 (interpret_number, parse_defined, eval_token, reduce): Update
7262 for two-integer arithmetic.
7263 (binary_handler): New typedef.
7264 (optab): Update.
7265 (COMPARE, EQUALITY, BITWISE, MINMAX, UNARY, SHIFT): Delete.
7266 (_cpp_parse_expr, reduce): Update to handle two-integers.
7267 * cpplib.c (_cpp_test_assertion): Back up on CPP_EOF.
7268
7269 2002-05-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
7270
7271 * config/avr/avr-protos.h (avr_out_sbxx_branch): Declare.
7272 * config/avr/avr.c (jump_over_one_insn_p): Take length of the
7273 branch insn into account, do not assume 1.
7274 (avr_out_sbxx_branch): New function. Optimize cases of skipping
7275 over single word insn. Handle upper half of I/O space too.
7276 * config/avr/avr.md (*sbrx_branch): Use it.
7277 (*sbrx_and_branchhi, *sbrx_and_branchsi): Likewise.
7278 (*sbix_branch, *sbix_branch_bit7): Likewise.
7279 (*sbix_branch_tmp, *sbix_branch_tmp_bit7): New.
7280 Use RTL peepholes to optimize register operand sign tests.
7281
7282 2002-05-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
7283
7284 * config/avr/avr.c (avr_asm_only_p): New variable.
7285 (avr_override_options): Set it here if AVR1.
7286 (asm_file_start): Test it here, report an error if set.
7287
7288 2002-05-26 Kazu Hirata <kazu@cs.umass.edu>
7289
7290 * alias.c: Fix formatting.
7291 * attribs.c: Likewise.
7292 * bb-reorder.c: Likewise.
7293 * bitmap.c: Likewise.
7294 * bitmap.h: Likewise.
7295 * builtins.c: Likewise.
7296
7297 Sun May 26 14:00:44 CEST 2002 Jan Hubicka <jh@suse.cz>
7298
7299 * reload.c (find_valid_class): Accept new argument DEST,
7300 choose class accordingly.
7301 (push_reload): Update callers.
7302
7303 2002-05-26 Andreas Jaeger <aj@suse.de>
7304
7305 * combine.c (combine_instructions): Do not indent #if for
7306 traditional C.
7307
7308 2002-05-25 Richard Henderson <rth@redhat.com>
7309
7310 * c-pragma.c (apply_pragma_weak): Convert value identifier to
7311 string for decl_attributes.
7312 (handle_pragma_weak): Call assemble_alias if we're modifying
7313 an existing decl.
7314
7315 2002-05-25 Richard Henderson <rth@redhat.com>
7316
7317 PR target/6788
7318 * config/sparc/sparc.c (sparc_output_mi_thunk): New implementation
7319 using rtl instead of fprintf.
7320 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Use it.
7321 * config/sparc/sparc-protos.h: Update.
7322
7323 2002-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
7324
7325 * Makefile.in (C_COMMON_H): Fix.
7326 Update other targets.
7327 * c-common.c: Don't include c-lex.h.
7328 (builtin_define_with_value): Make static and prototype.
7329 (builtin_define_std): Move from c-lex.h.
7330 * c-common.h (init_c_lex): Move from c-lex.h.
7331 * c-decl.c: Don't include c-lex.h.
7332 (make_pointer_declarator): Move from c-parse.in.
7333 * c-lex.c: Don't include c-lex.h.
7334 * c-lex.h: Remove.
7335 * c-parse.in: Don't include c-lex.h; include c-pragma.h.
7336 (make_pointer_declarator): Move to c-decl.c.
7337 * c-pragma.c: Don't include c-lex.h.
7338 * c-pragma.h (yydebug, YYDEBUG, parse_in, c_lex): Move from c-lex.h.
7339 * c-tree.h (make_pointer_declarator): New.
7340 doc:
7341 * passes.texi, tm.texi: Update.
7342 objc:
7343 * Make-lang.in: Update and correct.
7344 * objc-act.c: Don't include c-lex.h or cpplib.h.
7345 treelang:
7346 * treetree.c: Don't include c-lex.h.
7347 config:
7348 * darwin-c.c: Don't include c-lex.h.
7349 * c4x/c4x-c.c: Don't include c-lex.h.
7350 * c4x/t-c4x: Update.
7351 * i370/i370-c.c: Don't include c-lex.h.
7352 * i370/t-i370: Update.
7353 * i960/i960-c.c: Don't include c-lex.h.
7354 * i960/i960.c: Don't include cpplib.h, c-lex.h or c-pragma.h.
7355 * i960/t-960bare: Update.
7356 * i960/t-vxworks: Update.
7357 * rs6000/rs6000-c.c: Don't include c-lex.h; include c-pragma.h.
7358 * rs6000/t-darwin: Update.
7359 * rs6000/t-rs6000-c-rule: Update.
7360 * v850/v850-c.c: Don't include c-lex.h.
7361 * v850/v850.c: Don't include c-lex.h or cpplib.h.
7362
7363
7364 2002-05-25 Kazu Hirata <kazu@cs.umass.edu>
7365
7366 * tree.def: Fix typos.
7367 * doc/install.texi: Likewise.
7368
7369 2002-05-25 Richard Henderson <rth@redhat.com>
7370
7371 * configure.in (HAVE_AS_TLS): Add ia64 test.
7372 * configure: Rebuild.
7373 * config/ia64/ia64.c (ia64_tls_size_string, ia64_tls_size): New.
7374 (override_options): Set it.
7375 (TARGET_HAVE_TLS): New.
7376 (sdata_symbolic_operand): Look for 's'.
7377 (tls_symbolic_operand): New.
7378 (ia64_expand_load_address): Abort for tls symbols.
7379 (gen_tls_get_addr): New.
7380 (gen_thread_pointer): New.
7381 (ia64_expand_move): Split out from movdi. Handle tls symbols.
7382 (rtx_needs_barrier): Add new unspecs.
7383 (ia64_encode_section_info): Handle tls symbols.
7384 (ia64_strip_name_encoding): Strip two encoding chars.
7385 * config/ia64/ia64.h (ia64_tls_size, ia64_tls_size_string): New.
7386 (TARGET_TLS14, TARGET_TLS22, TARGET_TLS64): New.
7387 (TARGET_OPTIONS): Add tls-size.
7388 (ENCODE_SECTION_INFO_CHAR): Rename from SDATA_NAME_FLAG_CHAR.
7389 * config/ia64/ia64.md (UNSPEC_LTOFF_DTPMOD, UNSPEC_LTOFF_DTPREL,
7390 UNSPEC_DTPREL, UNSPEC_LTOFF_TPREL, UNSPEC_TPREL, UNSPEC_LD_BASE): New.
7391 (movqi, movhi, movsi, movdi, movti): Use ia64_expand_move.
7392 (movsf, movdf): Likewise.
7393 (movdi_symbolic): Use match_scratch. Don't split if we won't
7394 have a scratch availiable.
7395 (load_ltoff_dtpmod, load_dtprel, load_dtprel64, load_dtprel22,
7396 add_dtprel, add_dtprel14, add_dtprel22, load_ltoff_tprel, load_tprel,
7397 load_tprel64, load_tprel22, add_tprel, add_tprel14, add_tprel22): New.
7398 * config/ia64/ia64-protos.h: Update.
7399 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
7400 sdata_symbolic_operand.
7401 (ASM_OUTPUT_LABELREF): Strip two characters.
7402
7403 2002-05-25 Kazu Hirata <kazu@cs.umass.edu>
7404
7405 * combine.c (simplify_set): Remove an unnecessary subreg.
7406
7407 2002-05-25 Marek Michalkiewicz <marekm@amelek.gda.pl>
7408
7409 * config/avr/avr.c (avr_handle_progmem_attribute): Handle TYPE_DECL.
7410
7411 * config/avr/avr.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_BSS): New.
7412
7413 2002-05-25 Gabriel Dos Reis <gdr@codesourcery.com>
7414
7415 * toplev.c (output_clean_symbol_name): Fix another thinko. Gosh.
7416
7417 2002-05-25 Roger Sayle <roger@eyesopen.com>
7418
7419 * simplify-rtx.c (simplify_gen_relational): Simplify the RTX
7420 (cond (compare x y) 0) into the equivalent (cond x y).
7421
7422 2002-05-25 Gabriel Dos Reis <gdr@codesourcery.com>
7423
7424 * toplev.c (output_clean_symbol_name): Use xstrdup. Fix thinko.
7425
7426 2002-05-24 Zack Weinberg <zack@codesourcery.com>
7427
7428 * config.gcc: Remove all stanzas for previously obsoleted
7429 systems. Where necessary, add explicit error stanzas to
7430 prevent removed systems from being misidentified as something
7431 else. Begin a fresh obsoletions list, with the systems that
7432 were reprieved last round.
7433 * doc/install.texi: Remove all mention of dead targets.
7434 * fixinc/mkfixinc.sh: Likewise.
7435
7436 * config/arm/arm.h: Bit 31 of target_flags is no longer
7437 reserved.
7438
7439 * config/1750a/1750a-protos.h, config/1750a/1750a.c,
7440 config/1750a/1750a.h, config/1750a/1750a.md, config/1750a/ms1750.inc,
7441 config/a29k/a29k-protos.h, config/a29k/a29k.c, config/a29k/a29k.h,
7442 config/a29k/a29k.md, config/a29k/rtems.h, config/a29k/t-a29kbare,
7443 config/a29k/t-vx29k, config/a29k/unix.h, config/a29k/vx29k.h,
7444 config/alpha/osf12.h, config/alpha/osf2or3.h,
7445 config/arm/arm-wince-pe.h, config/arm/arm.h, config/arm/riscix.h,
7446 config/arm/riscix1-1.h, config/arm/rix-gas.h, config/arm/t-riscix,
7447 config/clipper/clipper-protos.h, config/clipper/clipper.c,
7448 config/clipper/clipper.h, config/clipper/clipper.md,
7449 config/clipper/clix.h, config/convex/convex-protos.h,
7450 config/convex/convex.c, config/convex/convex.h,
7451 config/convex/convex.md, config/convex/fixinc.convex,
7452 config/convex/proto.h, config/elxsi/elxsi-protos.h,
7453 config/elxsi/elxsi.c, config/elxsi/elxsi.h, config/elxsi/elxsi.md,
7454 config/i386/386bsd.h, config/i386/aix386.h, config/i386/aix386ng.h,
7455 config/i386/bsd386.h, config/i386/dgux.h, config/i386/djgpp-rtems.h,
7456 config/i386/isc.h, config/i386/iscdbx.h, config/i386/linux-oldld.h,
7457 config/i386/next.h, config/i386/osf1-ci.asm, config/i386/osf1-cn.asm,
7458 config/i386/osf1elf.h, config/i386/osf1elfgdb.h, config/i386/osfelf.h,
7459 config/i386/osfrose.h, config/i386/rtems.h, config/i386/seq-gas.h,
7460 config/i386/seq-sysv3.h, config/i386/seq2-sysv3.h,
7461 config/i386/sequent.h, config/i386/sun.h, config/i386/sun386.h,
7462 config/i386/t-dgux, config/i386/t-next, config/i386/t-osf,
7463 config/i386/t-osf1elf, config/i860/bsd-gas.h, config/i860/bsd.h,
7464 config/i860/fx2800.h, config/i860/i860-protos.h, config/i860/i860.c,
7465 config/i860/i860.h, config/i860/i860.md, config/i860/mach.h,
7466 config/i860/paragon.h, config/i860/sysv3.h, config/i860/sysv4.h,
7467 config/i860/t-fx2800, config/i860/varargs.asm, config/m68k/a-ux.h,
7468 config/m68k/altos3068.h, config/m68k/apollo68.h,
7469 config/m68k/aux-crt1.c, config/m68k/aux-crt2.asm,
7470 config/m68k/aux-crtn.asm, config/m68k/aux-exit.c,
7471 config/m68k/aux-low.gld, config/m68k/aux-mcount.c,
7472 config/m68k/auxas.h, config/m68k/auxgas.h, config/m68k/auxgld.h,
7473 config/m68k/auxld.h, config/m68k/ctix.h, config/m68k/dpx2.h,
7474 config/m68k/dpx2.ifile, config/m68k/dpx2cdbx.h, config/m68k/dpx2g.h,
7475 config/m68k/isi-nfp.h, config/m68k/isi.h, config/m68k/lynx-ng.h,
7476 config/m68k/lynx.h, config/m68k/math-3300.h, config/m68k/news.h,
7477 config/m68k/news3.h, config/m68k/news3gas.h, config/m68k/newsgas.h,
7478 config/m68k/next.h, config/m68k/next21.h, config/m68k/rtems.h,
7479 config/m68k/t-aux, config/m68k/t-lynx, config/m68k/t-next,
7480 config/m68k/x-next, config/m88k/dgux.h, config/m88k/dgux.ld,
7481 config/m88k/dguxbcs.h, config/m88k/dolph.h, config/m88k/dolphin.ld,
7482 config/m88k/luna.h, config/m88k/m88k-coff.h, config/m88k/sysv3.h,
7483 config/m88k/t-bug, config/m88k/t-dgux, config/m88k/t-dgux-gas,
7484 config/m88k/t-dguxbcs, config/m88k/t-dolph, config/m88k/t-m88k-gas,
7485 config/m88k/t-tekXD88, config/m88k/tekXD88.h, config/m88k/tekXD88.ld,
7486 config/mips/bsd-4.h, config/mips/bsd-5.h, config/mips/dec-bsd.h,
7487 config/mips/dec-osf1.h, config/mips/elflorion.h,
7488 config/mips/iris4loser.h, config/mips/mips-5.h, config/mips/news4.h,
7489 config/mips/news5.h, config/mips/nws3250v4.h, config/mips/osfrose.h,
7490 config/mips/svr3-4.h, config/mips/svr3-5.h, config/mips/svr4-4.h,
7491 config/mips/svr4-5.h, config/mips/svr4-t.h, config/mips/t-bsd,
7492 config/mips/t-bsd-gas, config/mips/t-svr3, config/mips/t-svr3-gas,
7493 config/mips/t-svr4, config/mips/t-svr4-gas, config/mips/t-ultrix,
7494 config/mips/ultrix.h, config/nextstep-protos.h, config/nextstep.c,
7495 config/nextstep.h, config/nextstep21.h, config/ns32k/encore.h,
7496 config/ns32k/merlin.h, config/ns32k/pc532-mach.h,
7497 config/ns32k/pc532-min.h, config/ns32k/pc532.h,
7498 config/ns32k/sequent.h, config/ns32k/tek6000.h,
7499 config/ns32k/tek6100.h, config/ns32k/tek6200.h, config/pj/lib1funcs.S,
7500 config/pj/linux.h, config/pj/pj-protos.h, config/pj/pj.c,
7501 config/pj/pj.h, config/pj/pj.md, config/pj/pjl.h, config/pj/t-pj,
7502 config/sparc/rtems.h, config/we32k/we32k-protos.h,
7503 config/we32k/we32k.c, config/we32k/we32k.h, config/we32k/we32k.md:
7504 Delete file.
7505
7506 2002-05-24 Richard Henderson <rth@redhat.com>
7507
7508 * flags.h (TLS_MODEL_GLOBAL_DYNAMIC): Set to 1.
7509 * toplev.c (flag_tls_default) Set to TLS_MODEL_GLOBAL_DYNAMIC.
7510 * config/i386/i386.c (tls_model_chars): Add leading space.
7511 (tls_symbolic_operand): Don't bias by 1.
7512 (legitimize_address): Don't unbias by 1.
7513
7514 2002-05-24 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7515
7516 * lcm.c (optimize_mode_switching): Change bb used as indices
7517 to bb->index.
7518
7519 2002-05-24 Richard Henderson <rth@redhat.com>
7520
7521 * config/ia64/ia64.c (ia64_reorg): Use update_life_info instead
7522 of update_life_info_in_dirty_blocks.
7523
7524 2002-05-24 Jakub Jelinek <jakub@redhat.com>
7525
7526 PR other/6782
7527 * final.c (get_mem_expr_from_op): Return 0 if op is NULL.
7528
7529 2002-05-24 Neil Booth <neil@daikokuya.demon.co.uk>
7530
7531 PR preprocessor/6780
7532 * cppmacro.c (enter_macro_context): Clear state.angled_headers.
7533
7534 2002-05-24 Jim Blandy <jimb@redhat.com>
7535
7536 * dwarf2out.c (dwarf2out_finish): Don't forget to emit a final
7537 entry with a type code of zero, marking the end of the compilation
7538 unit's macro info.
7539
7540 2002-05-24 Richard Henderson <rth@redhat.com>
7541
7542 * varasm.c (asm_output_bss): Always output one byte.
7543 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
7544
7545 2002-05-24 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
7546
7547 * tree.c (decl_type_context): Return NULL_TREE if decl's context is a
7548 namespace.
7549
7550 2002-05-24 Andreas Jaeger <aj@suse.de>
7551
7552 * ggc-page.c (alloc_page): Cast variables of type size_t to
7553 unsigned long, adjust printf format string.
7554 (ggc_alloc): Likewise.
7555 (ggc_print_statistics): Likewise.
7556 (ggc_print_statistics): Correct printf format string for SCALE to
7557 use unsigned long.
7558
7559 2002-05-24 Danny Smith <dannysmith@users.sourceforge.net>
7560
7561 * config/i386/mingw32.h (CPP_SPEC): Remove -remap.
7562
7563 2002-05-23 Gabriel Dos Reis <gdr@codesourcery.com>
7564 Zack Weinberg <zack@codesourcery.com>
7565
7566 * config/i386/mingw32.h (OUTPUT_QUOTED_STRING): Properly output
7567 quoted strings.
7568 * dwarf2out.c (lookup_filename): Properly quote filename in .file
7569 directive in assembly file.
7570 * config/m68k/dpx2.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
7571 * config/m88k/m88k.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
7572 * config/pj/pj.h (ASM_FILE_START): Likewise.
7573 * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
7574 * config/avr/avr.c (asm_file_end): Likewise.
7575 * toplev.c (output_quoted_string): Handle possibly signed plain
7576 char.
7577 * toplev.h (output_clean_symbol_name): Declare
7578 * toplev.c (output_clean_symbol_name): Define.
7579 * config/alpha/alpha.c (unicosmk_output_module_name): Use it.
7580 * config/1750a/1750a.h (ASM_FILE_START): Likewise.
7581
7582 2002-05-24 Alan Modra <amodra@bigpond.net.au>
7583
7584 * config/rs6000/rs6000.c (output_toc): Mask longs to 32 bits.
7585
7586 2002-05-23 Vladimir Makarov <vmakarov@redhat.com>
7587
7588 * genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4
7589 of size of unsigned.
7590
7591 2002-05-23 Richard Henderson <rth@redhat.com>
7592
7593 * configure.in (HAVE_AS_TLS): New test.
7594 * config.in, configure: Rebuild.
7595 * config/i386/i386.c (TARGET_HAVE_TLS): Set if HAVE_AS_TLS.
7596 (ix86_tls_dialect_string, ix86_tls_dialect): New.
7597 (override_options): Set it.
7598 (tls_model_chars, tls_symbolic_operand): New.
7599 (tls_symbolic_operand_1, global_dynamic_symbolic_operand): New.
7600 (local_dynamic_symbolic_operand, initial_exec_symbolic_operand): New.
7601 (local_exec_symbolic_operand): New.
7602 (get_pic_label_name): Merge into output_set_got.
7603 (ix86_asm_file_end): Emit pic_label_name if defined.
7604 (legitimate_constant_p, constant_address_p): New.
7605 (legitimate_pic_operand_p): New.
7606 (legitimate_pic_address_disp_p): Handle GOTTPOFF, NTPOFF, DTPOFF.
7607 (legitimate_address_p): Likewise.
7608 (ix86_encode_section_info): Rename from i386_; handle tls decls.
7609 (ix86_strip_name_encoding): New.
7610 (get_thread_pointer): New.
7611 (legitimize_address): Handle tls symbols.
7612 (output_pic_addr_const): Handle GOTTPOFF, TPOFF, NTPOFF, DTPOFF.
7613 Remove UNSPEC_PLT.
7614 (struct machine_function): Add some_ld_name.
7615 (get_some_local_dynamic_name, get_some_local_dynamic_name_1): Set it.
7616 (print_operand) [&]: Use it. Handle UNSPEC_TP.
7617 (output_addr_const_extra): New.
7618 (maybe_get_pool_constant): New.
7619 (ix86_split_to_parts): Use it.
7620 (ix86_expand_move): Handle tls symbols.
7621 (ix86_tls_get_addr): New.
7622 * config/i386/i386.h (TARGET_GNU_TLS, TARGET_SUN_TLS): New.
7623 (TARGET_OPTIONS): Add tls-dialect.
7624 (CONSTANT_ADDRESS_P): Use new out-of-line function.
7625 (LEGITIMATE_CONSTANT_P): Likewise.
7626 (LEGITIMATE_PIC_OPERAND_P): Likewise.
7627 (TARGET_STRIP_NAME_ENCODING): New.
7628 (ASM_OUTPUT_LABELREF): New.
7629 (PRINT_OPERAND_PUNCT_VALID_P): Add '&'.
7630 (OUTPUT_ADDR_CONST_EXTRA): New.
7631 (PREDICATE_CODES): Update.
7632 (ix86_tls_dialect, ix86_tls_dialect_string): New.
7633 * config/i386/i386.md: Regroup and renumber unspec constants.
7634 (tls_global_dynamic_gnu, tls_global_dynamic_sun): New.
7635 (tls_local_dynamic_base_gnu, tls_local_dynamic_base_sun): New.
7636 (tls_global_dynamic, tls_local_dynamic_base): New.
7637 (tls_local_dynamic_once): New.
7638 * config/i386/i386-protos.h: Update.
7639
7640 2002-05-23 Richard Henderson <rth@redhat.com>
7641
7642 * genemit.c (gen_insn): Print file:lineno comment before function.
7643 (main): likewise.
7644 * gensupport.c (struct queue_elem): Add filename member.
7645 (queue_pattern): Initialize it; update all callers.
7646 (process_include): Don't free filename.
7647 (read_md_rtx): Set read_rtx_filename.
7648
7649 2002-05-23 Hans Boehm <Hans_Boehm@hp.com>
7650
7651 * config/ia64/linux.h (IA64_GATE_AREA_END): Adjust for 64K pages.
7652
7653 2002-05-23 Richard Henderson <rth@redhat.com>
7654
7655 * config/i386/i386.c (output_set_got): Fix typo in pic no-deep case.
7656
7657 2002-05-23 Richard Henderson <rth@redhat.com>
7658
7659 * doc/extend.texi (C++98 Thread-Local Edits): Update with
7660 commentary from Mark.
7661
7662 2002-05-23 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
7663
7664 * bb-reorder.c (make_reorder_chain, make_reorder_chain_1):
7665 Use FOR_EACH_BB macros to iterate over basic block chain.
7666 * cfg.c (clear_edges, clear_bb_flags, dump_flow_info,
7667 alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges):
7668 Likewise.
7669 * cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add,
7670 find_unreachable_blocks, create_edge_list, verify_edge_list,
7671 remove_fake_edges, add_noreturn_fake_exit_edges,
7672 flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute):
7673 Likewise.
7674 * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
7675 find_sub_basic_blocks): Likewise.
7676 * cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks):
7677 Likewise.
7678 * cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps):
7679 Likewise.
7680 * cfgloop.c (flow_loops_cfg_dump, flow_loops_find):
7681 Likewise.
7682 * cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges,
7683 commit_edge_insertions, commit_edge_insertions_watch_calls,
7684 print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise.
7685 * combine.c (combine_instructions, reg_dead_at_p): Likewise.
7686 * conflict.c (conflict_graph_compute): Likewise.
7687 * df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
7688 df_modified_p, df_refs_unlink, df_dump): Likewise.
7689 * dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise.
7690 * final.c (compute_alignments): Likewise.
7691 * flow.c (update_life_info, update_life_info_in_dirty_blocks,
7692 delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data,
7693 count_or_remove_death_notes): Likewise.
7694 * gcse.c (oprs_unchanged_p, record_last_reg_set_info,
7695 compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill,
7696 classic_gcse, compute_transp, cprop, compute_pre_data,
7697 compute_transpout, invalidate_nonnull_info,
7698 delete_null_pointer_checks_1, delete_null_pointer_checks,
7699 compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems,
7700 compute_store_table, build_store_vectors, store_motion): Likewise.
7701 * global.c (global_conflicts, mark_elimination): Likewise.
7702 * graph.c (print_rtl_graph_with_bb): Likewise.
7703 * haifa-sched.c (sched_init): Likewise.
7704 * ifcvt.c (if_convert): Likewise.
7705 * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
7706 compute_available, compute_nearerout, compute_rev_insert_delete,
7707 optimize_mode_switching): Likewise.
7708 * local-alloc.c (local_alloc, update_equiv_regs): Likewise.
7709 * predict.c (estimate_probability, note_prediction_to_br_prob,
7710 propagate_freq, counts_to_freqs, expensive_function_p,
7711 estimate_bb_frequencies): Likewise.
7712 * profile.c (instrument_edges, get_exec_counts,
7713 compute_branch_probabilities, compute_checksum, branch_prob,
7714 find_spanning_tree): Likewise.
7715 * recog.c (split_all_insns, peephole2_optimize): Likewise.
7716 * reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs):
7717 Likewise.
7718 * regclass.c (scan_one_insn, regclass): Likewise.
7719 * regmove.c (mark_flags_life_zones, regmove_optimize,
7720 record_stack_memrefs): Likewise.
7721 * regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise.
7722 * reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise.
7723 * resource.c (find_basic_block): Likewise.
7724 * sched-ebb.c (schedule_ebbs): Likewise.
7725 * sched-rgn.c (is_cfg_nonregular, build_control_flow,
7726 find_single_block_region, find_rgns, schedule_insns)
7727 * sibcall.c (optimize_sibling_and_tail_recursive_call)
7728 * ssa-ccp.c (optimize_unexecutable_edges,
7729 ssa_ccp_df_delete_unreachable_insns): Likewise.
7730 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
7731 * ssa.c (find_evaluations, compute_dominance_frontiers_1,
7732 rename_block, convert_to_ssa, compute_conservative_reg_partition,
7733 compute_coalesced_reg_partition, rename_equivalent_regs,
7734 convert_from_ssa): Likewise.
7735 * config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue,
7736 process_for_unwind_directive): Likewise.
7737
7738 * df.c (FOR_ALL_BBS): Removed.
7739 * gcse.c (struct null_pointer_info): Type of current_block field
7740 changed.
7741 (struct reg_avail_info): Type of last_bb field changed.
7742 * config/ia64/ia64.c (block_num): Removed.
7743 (need_copy_state): Type changed.
7744 (last_block): New.
7745
7746 2002-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
7747
7748 * cppinit.c (mark_named_operators): Split out from init_builtins.
7749 (cpp_finish_options): Call it from here instead.
7750
7751 2002-05-23 Jason Thorpe <thorpej@wasabisystems.com>
7752
7753 * builtin-attrs.def: Update copyright years.
7754 (ATTR_NONNULL): New attribute identifier.
7755 (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New
7756 attribute tree lists.
7757 (DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the
7758 format operand.
7759 (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use...
7760 (DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg
7761 attribute lists. Chain the appropriate nonnull attribute.
7762 * c-format.c (check_format_arg): Remove null format string
7763 warning.
7764 * testsuite/gcc.dg/format/null-1.c: New test.
7765
7766 2002-05-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7767
7768 * Makefile.in (ADAC): Define.
7769 (SYSLIBS): Define.
7770 (.SUFFIXES): Move before language makefile fragments.
7771 (STAGE2_FLAGS_TO_PASS): Use stage CC as ADAC.
7772
7773 2002-05-23 Mark Mitchell <mark@codesourcery.com>
7774
7775 * varasm.c (make_decl_rtl): Don't allow weak variables to be
7776 placed in common.
7777
7778 Thu May 23 19:43:41 CEST 2002 Jan Hubicka <jh@suse.cz>
7779
7780 * cfg.c (dump_flow_info): Print results of
7781 maybe_hot/probably_never_executed predicates.
7782 * toplev.c (open_dump_file): Print function frequency.
7783
7784 2002-05-23 David S. Miller <davem@redhat.com>
7785
7786 * cse.c (approx_reg_cost_1, approx_reg_cost): Recode to not use
7787 regsets.
7788
7789 2002-05-23 Jason Thorpe <thorpej@wasabisystems.com>
7790
7791 * c-common.c (warn_nonnull): Declare.
7792 (c_common_attribute_table): Add "nonnull" attribute.
7793 (handle_nonnull_attribute, check_function_nonnull, nonnull_check_p,
7794 check_nonnull_arg, get_nonnull_operand, check_function_arguments,
7795 check_function_arguments_recurse): New functions.
7796 * c-common.h (warn_nonnull): Declare extern.
7797 (check_function_arguments, check_function_arguments_recurse): New
7798 prototypes.
7799 * c-decl.c (c_decode_option): Add -Wnonnull option.
7800 * c-format.c (set_Wformat): Set warn_nonnull if enabling
7801 format checking.
7802 (format_check_context): New structure.
7803 (check_format_info_recurse): Remove recursion and rename to...
7804 (check_format_arg): ...this. Update comment.
7805 (check_format_info): Use check_function_arguments_recurse.
7806 * c-typeck.c (build_function_call): Call check_function_arguments
7807 instead of check_function_format.
7808 * doc/extend.texi: Document "nonnull" attribute.
7809 * doc/invoke.texi: Docuemnt -Wnonnull option.
7810 * testsuite/gcc.dg/nonnull-1.c: New test.
7811 * testsuite/gcc.dg/nonnull-2.c: New test.
7812
7813 2002-05-23 David S. Miller <davem@redhat.com>
7814
7815 * basic-block.h (CLEANUP_NO_INSN_DEL): Define it.
7816 * cfgcleanup.c (cleanup_cfg): If it is set do not
7817 attempt to delete trivially dead insns.
7818 * except.c (finish_eh_generation): Pass it to cleanup_cfg.
7819 * toplev.c (rest_of_compilation): Document non-trivial aspect
7820 the RTL before optimize_save_area_alloca is run.
7821
7822 2002-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
7823
7824 * c-lex.c (indent_level): Remove.
7825 (cb_file_change, c_lex): Remove indent level handling.
7826 * c-lex.h (indent_level): Remove.
7827 * input.h (struct file_stack): Remove indent_level.
7828 * toplev.c (push_srcloc): Remove indent_level handling.
7829
7830 2002-05-23 Jakub Jelinek <jakub@redhat.com>
7831
7832 PR target/6753
7833 * config/i386/i386.md (sse_movdfcc, sse_movdfcc_eq): Use Y instead
7834 of x in constraints for clarity.
7835 (sse_mov?fcc split): abort if op2 == op3.
7836 (sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3,
7837 sse_movsfcc_const0_4): Add earlyclobber.
7838 (sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7839 sse_movdfcc_const0_4): Likewise. Use DFmode, not SFmode.
7840 Use Y instead of x in constraints.
7841
7842 2002-05-23 Richard Henderson <rth@redhat.com>
7843
7844 * doc/extend.texi (C99 Thread-Local Edits): New subsection.
7845 (C++98 Thread-Local Edits): New subsection.
7846
7847 * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace.
7848 (ix86_arch): Set type to enum processor_type.
7849
7850 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use
7851 LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST.
7852
7853 2002-05-23 Jakub Jelinek <jakub@redhat.com>
7854
7855 * configure.in: Fix as version test for binutils 2.12.1 releases
7856 (without dates).
7857 * configure: Rebuilt.
7858
7859 2002-05-23 Richard Henderson <rth@redhat.com>
7860
7861 * config/i386/i386.c (get_pic_label_name): New.
7862 (load_pic_register): Remove.
7863 (output_set_got): New.
7864 (ix86_expand_prologue): Use gen_set_got; mark insn REG_MAYBE_DEAD.
7865 * config/i386/i386.md (UNSPEC_SET_GOT): New.
7866 (UNSPECV_PROLOGUE_SET_GOT, UNSPECV_PROLOGUE_GET_PC): Remove.
7867 (prologue_set_got, prologue_get_pc): Remove.
7868 (set_got, set_got_nopic, set_got_deep, set_got_nodeep): New.
7869 (builtin_setjmp_receiver): Use gen_set_got.
7870 * config/i386/i386-protos.h: Update.
7871
7872 Thu May 23 09:22:23 CEST 2002 Jan Hubicka <jh@suse.cz>
7873
7874 * gcse.c (hash_expr): Do not use alias set for hashing.
7875
7876 2002-05-22 Kevin Buettner <kevinb@redhat.com>
7877
7878 * dbxout.c (dbxout_class_name_qualifiers): New function.
7879 (dbxout_symbol): Output class/struct qualifiers for a .stabs entry.
7880
7881 2002-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
7882
7883 * cpperror.c (_cpp_begin_message): No special casing
7884 of CPP_FATAL_LIMIT.
7885 * cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/.
7886 (output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR.
7887 * cpplib.c (do_include_common): Use DL_ERROR.
7888 * cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove.
7889 (DL_ICE): Renumber.
7890 * fix-header.c (read_scan_file): Update.
7891
7892 2002-05-22 Richard Henderson <rth@redhat.com>
7893
7894 * config/i386/i386.c (ix86_expand_call): New function, extracted
7895 from md call patterns. Add pic_offset_table_rtx to
7896 CALL_INSN_FUNCTION_USAGE when needed.
7897 * config/i386/i386.md (call_pop, call): Use ix86_expand_call.
7898 (call_value_pop, call_value, untyped_call): Likewise.
7899 (call_exp, call_value_exp): Remove.
7900 * config/i386/i386-protos.h: Update.
7901
7902 2002-05-22 Richard Henderson <rth@redhat.com>
7903
7904 * varasm.c (default_section_type_flags): Check for VAR_DECL
7905 before using DECL_THREAD_LOCAL.
7906
7907 2002-05-22 David Edelsohn <edelsohn@gnu.org>
7908
7909 * config/rs6000/aix43.h (LINK_SPEC): Add PE initializer.
7910 (STARTFILE_SPEC): Delete PE crt0.o.
7911 * config/rs6000/aix51.h: Same.
7912 * config/rs6000/rs6000.c: Use TARGET_XCOFF, not OBJECT_FORMAT_COFF.
7913 * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Append [DS] to
7914 function descriptor symbol. Use RS6000_OUTPUT_BASENAME.
7915 (ASM_OUTPUT_DEF_FROM_DECLS): Use RS6000_OUTPUT_BASENAME.
7916 * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Define.
7917
7918 2002-05-22 Richard Henderson <rth@redhat.com>
7919
7920 * varasm.c (default_section_type_flags): Handle tls data and
7921 default sections.
7922 (default_unique_section): Handle tls sections.
7923
7924 2002-05-23 Alan Modra <amodra@bigpond.net.au>
7925
7926 * configure.in (CROSS): Define NATIVE_CROSS.
7927 * configure: Regenerate.
7928 * gcc.c (STARTFILE_PREFIX_SPEC): Define.
7929 (startfile_prefix_spec): New var.
7930 (static_specs): Add startfile_prefix_spec.
7931 (do_spec_2): Split out from..
7932 (do_spec): ..here.
7933 (main): Process startfile_prefix_spec.
7934 * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC) Change name of
7935 dynamic linker.
7936 (STARTFILE_PREFIX_SPEC): Define.
7937 (STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Rewrite without
7938 absolute paths.
7939
7940 2002-05-22 Kazu Hirata <kazu@cs.umass.edu>
7941
7942 * cpperror.c: Fix formatting.
7943 * cppexp.c: Likewise.
7944 * cppfiles.c: Likewise.
7945 * cpphash.c: Likewise.
7946 * cpphash.h: Likewise.
7947 * cppinit.c: Likewise.
7948 * cpplex.c: Likewise.
7949 * cpplib.c: Likewise.
7950 * cppmacro.c: Likewise.
7951 * cppmain.c: Likewise.
7952 * cppspec.c: Likewise.
7953
7954 2002-05-22 Jakub Jelinek <jakub@redhat.com>
7955
7956 * combine.c (force_to_mode): Use gen_int_mode.
7957 Don't clear CONST_INT bits outside of mode.
7958
7959 2002-05-22 Richard Henderson <rth@redhat.com>
7960
7961 * fixinc/inclhack.def (thread_keyword): Match __thread as last arg.
7962 * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.
7963
7964 2002-05-22 Jakub Jelinek <jakub@redhat.com>
7965
7966 PR c/6643
7967 * emit-rtl.c (widen_memory_access): Only call compare_tree_int
7968 if DECL_SIZE_UNIT is INTEGER_CST.
7969
7970 2002-05-22 Richard Henderson <rth@redhat.com>
7971
7972 * flow.c (life_analysis): Delete broken reg_label check.
7973
7974 2002-05-22 Richard Henderson <rth@redhat.com>
7975
7976 * fixinc/inclhack.def (thread_keyword): Allow as any prototype arg.
7977 * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.
7978
7979 Wed May 22 18:39:57 2002 J"orn Rennecke <joern.rennecke@superh.com>
7980
7981 * t-sh (LIB2FUNCS_EXTRA): Now embed-bb.c.
7982 (embed-bb.c): New rule.
7983 * t-sh64 (LIB2FUNCS_EXTRA): Don't change.
7984 * config/sh/embed_bb.c: Delete.
7985
7986 Wed May 22 18:25:29 2002 J"orn Rennecke <joern.rennecke@superh.com>
7987
7988 * c-common.c (cb_register_builtins): Don't indent '#' of #define.
7989
7990 2002-05-22 Kazu Hirata <kazu@cs.umass.edu>
7991
7992 * config/h8300/h8300.md (*andorqi3): New.
7993
7994 2002-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
7995
7996 PR preprocessor/6517
7997 * Makefile.in: Update.
7998 * c-common.c (c_common_post_options): Add preprocessor
7999 errors to the error count.
8000 * c-lang.c (c_post_options): Kill.
8001 (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
8002 * hooks.h: Add header guards.
8003 * langhooks-def.h: Include hooks.h.
8004 (LANG_HOOKS_POST_OPTIONS): Update.
8005 * langhooks.h (struct lang_hooks): Update post_options.
8006 * toplev.c (parse_options_and_default_flags): Update.
8007 objc:
8008 * objc-lang.c (objc_post_options): Kill.
8009 (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
8010
8011 2002-05-21 Bruce Korb <bkorb@gnu.org>
8012
8013 * fixinc/tests/base/pthread.h(THREAD_KEYWORD_CHECK): add fix check
8014 * fixinc/inclhack.def(thread_keyword): use c_fix = format.
8015 * fixinc/fixincl.x: regen.
8016
8017 2002-05-21 Kazu Hirata <kazu@cs.umass.edu>
8018
8019 * cfgbuild.c: Fix formatting.
8020 * cfg.c: Likewise.
8021 * cfgcleanup.c: Likewise.
8022 * cfglayout.c: Likewise.
8023 * cfgloop.c: Likewise.
8024 * cfgrtl.c: Likewise.
8025
8026 2002-05-21 Richard Henderson <rth@redhat.com>
8027
8028 * c-common.h (enum rid): Add RID_THREAD.
8029 * c-decl.c (start_decl): Do not set DECL_COMMON for tls variables.
8030 (grokdeclarator): Grok __thread.
8031 * c-parse.in (reswords): Add __thread.
8032 (rid_to_yy): Add RID_THREAD.
8033
8034 * tree.h (DECL_THREAD_LOCAL): New.
8035 (struct tree_decl): Add thread_local_flag.
8036 * print-tree.c (print_node): Dump DECL_THREAD_LOCAL.
8037 * tree.c (staticp): TLS variables are not static.
8038
8039 * target-def.h (TARGET_HAVE_TLS): New.
8040 * target.h (have_tls): New.
8041 * output.h (SECTION_TLS): New.
8042 * varasm.c (assemble_variable): TLS variables can't be common for now.
8043 (default_section_type_flags): Handle .tdata and .tbss.
8044 (default_elf_asm_named_section): Handle SECTION_TLS.
8045 (categorize_decl_for_section): Handle DECL_THREAD_LOCAL.
8046
8047 * flags.h (flag_tls_default): Declare.
8048 * toplev.c (flag_tls_default): Define.
8049 (display_help): Display help for it.
8050 (decode_f_option): Set it.
8051
8052 * doc/extend.texi (Thread-Local): New node describing language-level
8053 thread-local storage.
8054 * doc/invoke.texi (-ftls-model): Document.
8055
8056 * fixinc/inclhack.def (thread_keyword): New.
8057 * fixinc/fixincl.x: Rebuild.
8058
8059 2002-05-21 Jeffrey A Law <law@redhat.com>
8060
8061 * optabs.c (expand_binop): For double-word integer multiplies,
8062 do not compute intermediate results into something that is
8063 not a register (such as a SUBREG or MEM).
8064
8065 * i386.c (ix86_sched_reorder_ppro): Fix typo/thinko.
8066 (ix86_sched_reorder): Make sure to initialize scheduling
8067 data even when there's only one insn in the ready queue.
8068
8069 2002-05-21 Vladimir Makarov <vmakarov@redhat.com>
8070
8071 * genautomata.c (reserv_sets_hash_value): Fix a typo.
8072
8073 2002-05-21 Vladimir Makarov <vmakarov@redhat.com>
8074
8075 * genautomata.c (reserv_sets_hash_value): Define hash_value as
8076 set_el_t. Transform the hash value into unsigned.
8077 (output_cycle_reservs): Fix bug with output of repeated `nothing'.
8078 (transform_3): Add code to process `(A,B)+(D,E)'.
8079
8080 2002-05-21 NIIBE Yutaka <gniibe@m17n.org>
8081
8082 * reload1.c (do_output_reload): Run delete_output_reload
8083 only if optimizing.
8084
8085 2002-05-21 Roger Sayle <roger@eyesopen.com>
8086
8087 PR middle-end/6600
8088 * expr.c (STORE_MAX_PIECES): New macro to avoid immediate constants
8089 larger than INTEGER_CST. (store_by_pieces_1): Use it here...
8090 (can_store_by_pieces): ... and here to limit the largest mode used.
8091 Add a comment to document this function.
8092
8093 2002-05-21 Richard Henderson <rth@redhat.com>
8094
8095 * flow.c (life_analysis): Fix test for deleted label.
8096
8097 2002-05-21 Neil Booth <neil@daikokuya.demon.co.uk>
8098
8099 * doc/tm.texi: Fix typo.
8100
8101 2002-05-21 Zack Weinberg <zack@codesourcery.com>
8102
8103 * c-common.c (c_common_init): Set options->unsigned_char from
8104 flag_signed_char.
8105 (cb_register_builtins): Define __STRICT_ANSI__ and
8106 __CHAR_UNSIGNED__ here...
8107 * cppinit.c (init_builtins): Not here.
8108 (cpp_create_reader): unsigned_char option defaults to 0, not
8109 !DEFAULT_SIGNED_CHAR.
8110 (COMMAND_LINE_OPTIONS, cpp_handle_option): Lose -fsigned-char
8111 and -funsigned-char.
8112
8113 * cpphash.h (struct spec_nodes): Kill n__STRICT_ANSI__.
8114 * cpphash.c (_cpp_init_hashtable): Don't set it.
8115 * cppmacro.c (builtin_macro) [BT_STDC]: Use the language setting
8116 directly. Clarify comment.
8117
8118 2002-05-21 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
8119
8120 * bb-reorder.c (make_reorder_chain_1): Use prev_bb/next_bb to get to
8121 neighbouring basic blocks. Use ENTRY_BLOCK_PTR->next_bb instead of
8122 BASIC_BLOCK (0). Use EXIT_BLOCK_PTR->prev_bb instead of
8123 BASIC_BLOCK (n_basic_blocks - 1).
8124 * cfganal.c (can_fallthru, flow_call_edges_add,
8125 flow_preorder_transversal_compute): Too.
8126 * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
8127 find_sub_basic_blocks): Too.
8128 * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Too.
8129 * cfglayout.c (skip_insns_after_block, fixup_reorder_chain,
8130 fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Too.
8131 * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Too.
8132 * combine.c (this_basic_block): Type changed to basic_block.
8133 (combine_instructions, set_nonzero_bits_and_sign_copies, try_combine,
8134 nonzero_bits, num_sign_bit_copies, get_last_value_validate,
8135 get_last_value, distribute_notes, distribute_links): Too.
8136 * final.c (compute_alignments): Too.
8137 * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Too.
8138 * function.c (thread_prologue_and_epilogue_insns): Too.
8139 * gcse.c (compute_code_hoist_vbeinout): Too.
8140 * global.c (build_insn_chain): Too.
8141 * ifcvt.c (find_if_block, find_cond_trap): Too.
8142 * predict.c (last_basic_block_p, note_prediction_to_br_prob): Too.
8143 * regmove.c (regmove_optimize): Too.
8144 * resource.c (find_basic_block): Too.
8145 * sched-ebb.c (schedule_ebbs): Too.
8146 * ssa-dce.c (find_control_dependence, find_pdom): Too.
8147
8148 2002-05-21 Andreas Jaeger <aj@suse.de>
8149
8150 * cppinit.c (sanity_checks): Avoid printf mismatch warnings.
8151
8152 2002-05-21 Richard Henderson <rth@redhat.com>
8153
8154 * reg-stack.c (swap_rtx_condition, subst_stack_regs_pat): Use
8155 unspec names, not numbers.
8156
8157 2002-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
8158
8159 * doc/sourcebuild.texi: Mention snapshot-README and
8160 snapshot-index.html as needing updating for new front ends.
8161
8162 2002-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8163
8164 * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): Avoid warnings when
8165 disabling checking, and avoid multiple evaluation of RTX.
8166
8167 2002-05-21 Richard Earnshaw <rearnsha@arm.com>
8168
8169 * bitmap.c (bitmap_find_bit): Return early if we have the correct
8170 element cached.
8171
8172 Tue May 21 10:51:54 CEST 2002 Jan Hubicka <jh@suse.cz>
8173
8174 * profile.c (gen_edge_profiler): Set alias set before the memory is
8175 used.
8176
8177 2002-05-20 David S. Miller <davem@redhat.com>
8178
8179 * cselib.c (max_value_regs): New.
8180 (cselib_lookup, cselib_invalidate_regno): Initialize it when
8181 adding new entries to the REG_VALUES table and we are dealing with
8182 a hard register.
8183 (clear_table): Initialize it.
8184 (cselib_invalidate_regno): Use it to determine which hard
8185 registers to scan when mode is not VOIDmode.
8186
8187 2002-05-20 Duraid Madina <duraid@fl.net.au>
8188
8189 * tradcpp.c (fixup_newlines): Use old-style function header.
8190
8191 2002-05-20 Krister Walfridsson <cato@df.lth.se>
8192
8193 * reload1.c (reload_cse_simplify): Fix typo in rtx code check.
8194
8195 2002-05-20 H.J. Lu (hjl@gnu.org)
8196
8197 Base on suggestions from Zhang Fuxin <fxzhang@ict.ac.cn>:
8198
8199 * config/mips/mips.h (DFMODE_NAN): Defined.
8200 (SFMODE_NAN): Likewise.
8201
8202 2002-05-20 Dale Johannesen <dalej@apple.com>
8203
8204 * combine.c (cant_combine_insn_p): Back out my
8205 previous patch.
8206
8207 2002-05-20 Kazu Hirata <kazu@cs.umass.edu>
8208
8209 * params.c: Fix formatting.
8210 * params.h: Likewise.
8211 * predict.c: Likewise.
8212 * prefix.c: Likewise.
8213 * print-rtl.c: Likewise.
8214 * print-tree.c: Likewise.
8215 * profile.c: Likewise.
8216
8217 2002-05-20 H.J. Lu (hjl@gnu.org)
8218
8219 * gcc/config/mips/linux.h (SDB_DEBUGGING_INFO): Undefine.
8220
8221 2002-05-20 Nick Clifton <nickc@cambridge.redhat.com>
8222
8223 * config/arm/arm-wince-pe.h (ASM_SPEC): Pass -mcpu and -march
8224 switches straight on to the assembler, do not abbreviate them.
8225 * config/arm/elf.h (ASM_SPEC): As above.
8226 * config/arm/semi.h (ASM_SPEC): As above.
8227 * config/arm/unknown-elf-oabi.h (ASM_SPEC): As above.
8228 * config/arm/xscale-coff.h (SUBTARGET_ASM_SPEC): Pass
8229 -mcpu=xscale on to the assembler by default.
8230 * config/arm/xscale-elf.h (SUBTARGET_ASM_SPEC): As above.
8231
8232 2002-05-20 Richard Henderson <rth@redhat.com>
8233
8234 * cse.c (canon_hash): Reorder do_not_record test. Always
8235 allow pic_offset_table_rtx.
8236
8237 2002-05-19 Toon Moene <toon@moene.indiv.nluug.nl>
8238
8239 * optabs.c (expand_cmplxdiv_wide): Use complex_part_zero_p.
8240 (expand_binop): Ditto (3 times).
8241
8242 2002-05-19 Mark Mitchell <mitchell@doubledemon.codesourcery.com>
8243
8244 * Makefile.in (distclean): Remove QMTest stuff.
8245 (QMTEST_PATH): New variable.
8246 (QMTESTFLAGS): Likewise.
8247 (QMTESTRUNFLAGS): Likewise.
8248 (QMTEST): Likewise.
8249 (QMTEST_GPP_TESTS): Likewise.
8250 (QMTEST_DIR): Likewise.
8251 (QMTEST_DIR/context): New target.
8252 (qmtest-g++): Likeise.
8253 (qmtest-gui): Likewise.
8254 (QMTEST_DIR/gpp-expected.qmr): Likewise.
8255
8256 2002-05-19 Aldy Hernandez <aldyh@redhat.com>
8257
8258 * config/rs6000/rs6000.h (FUNCTION_VALUE): Only return vectors in
8259 an altivec register if TARGET_ALTIVEC.
8260
8261 * config/rs600/rs6000.c (rs6000_emit_move): Change VECTOR_MODE_P
8262 to ALTIVEC_VECTOR_MODE.
8263 (rs6000_va_arg): Only vectors of type AltiVec are 16 byte aligned.
8264 (rs6000_va_arg): Vectors may go in registers if they are not
8265 altivec vectors.
8266
8267 2002-05-19 Kazu Hirata <kazu@cs.umass.edu>
8268
8269 * protoize.c: Fix formatting.
8270
8271 2002-05-19 Richard Henderson <rth@redhat.com>
8272
8273 * gensupport.c (init_include_reader): Merge into ...
8274 (process_include): ... here. Simplify composite path creation.
8275 Plug memory leaks. Fix file/line number tracking. Do not
8276 process_define_cond_exec. Return void.
8277 (process_rtx): Don't check process_include return value.
8278
8279 2002-05-20 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
8280
8281 * basic_block.h (struct basic_block_def): Added prev_bb and next_bb
8282 fields.
8283 (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
8284 traversing basic block chain.
8285 (create_basic_block_structure, create_basic_block): Declaration changed.
8286 (link_block, unlink_block): Declare.
8287 * cfg.c (entry_exit_blocks): Initialize new fields.
8288 (link_block, unlink_block): New.
8289 (expunge_block_nocompact): Unlink basic block.
8290 (dump_flow_info): Print prev_bb/next_bb fields.
8291 * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
8292 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
8293 * cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
8294 * cfgrtl.c (create_basic_block_structure, create_basic_block,
8295 split_block, force_nonfallthru_and_redirect, split_edge): Modified.
8296 (verify_flow_info): Check that list agrees with numbering.
8297
8298 2002-05-19 Neil Booth <neil@daikokuya.demon.co.uk>
8299
8300 * c-common.c (preprocessing_asm): New macro.
8301 * c-lex.h (builtin_define, builtin_assert): Use pfile.
8302 doc:
8303 * tm.texi: Update.
8304 config/alpha:
8305 * alpha.h (CPLUSPLUS_CPP_SPEC): Remove.
8306 (CPP_SPEC): Simplify.
8307 (TARGET_CPU_CPP_BUILTINS): Update.
8308 * freebsd.h (TARGET_OS_CPP_BUILTINS): New.
8309 (CPP_SPEC): Simplify.
8310 * linux.h (CPLUSPLUS_CPP_SPEC): Remove.
8311 (TARGET_OS_CPP_BUILTINS): Update.
8312 * osf.h (CPP_XFLOAT_SPEC): Kill.
8313 (TARGET_OS_CPP_BUILTINS): Update.
8314 (CPP_SUBTARGET_SPEC, SUBTARGET_EXTRA_SPECS): Simplify.
8315 * osf5.h (CPP_XFLOAT_SPEC): Kill.
8316 * vms.h (CPP_SUBTARGET_SPEC): Kill.
8317 (TARGET_OS_CPP_BUILTINS): Update.
8318
8319 2002-05-19 Richard Henderson <rth@redhat.com>
8320
8321 * varasm.c (default_binds_local_p): Fix typo.
8322
8323 2002-05-19 Marek Michalkiewicz <marekm@amelek.gda.pl>
8324
8325 * config/avr/avr.c (machine_dependent_reorg): Sign extend the
8326 CONST_INT operand to the correct mode after adding 1 to it.
8327
8328 2002-05-19 Mark Mitchell <mark@codesourcery.com>
8329
8330 * config.gcc (powerpc-wrs-windiss*): New target.
8331
8332 2002-05-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8333
8334 * config/rs6000/rs6000.md (ashrdi3_no_power): New.
8335 (ashrdi3): Use it.
8336
8337 2002-05-18 Mark Mitchell <mark@codesourcery.com>
8338
8339 * configure.in (AC_CHECK_FUNCS): Add checks for scandir and
8340 alphasort.
8341 * config.in: Regenerated.
8342 * configure: Regenerated.
8343
8344 2002-05-19 Richard Henderson <rth@redhat.com>
8345
8346 * target-def.h (TARGET_BINDS_LOCAL_P): New.
8347 * target.h (struct gcc_target): Move boolean fields to the end.
8348 Add binds_local_p.
8349 * varasm.c (default_binds_local_p): New.
8350 * output.h: Declare it.
8351
8352 * config/alpha/alpha.c (alpha_encode_section_info): Use the new hook.
8353 * config/cris/cris.c (cris_encode_section_info): Likewise.
8354 * config/i386/i386.c (i386_encode_section_info): Likewise.
8355 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
8356 * config/sh/sh.c (sh_encode_section_info): Likewise.
8357
8358 * doc/tm.texi (TARGET_IN_SMALL_DATA_P): New.
8359 (TARGET_BINDS_LOCAL_P): New.
8360
8361 2002-05-19 Richard Henderson <rth@redhat.com>
8362
8363 * system.h (BLOCK_PROFILER, BLOCK_PROFILER_CODE,
8364 FUNCTION_BLOCK_PROFILER, FUNCTION_BLOCK_PROFILER_EXIT,
8365 MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Poison.
8366
8367 * toplev.c (display_help): Kill -a -ax help.
8368
8369 * config/1750a/1750a.h, config/alpha/alpha.h,
8370 config/clipper/clipper.h, config/dsp16xx/dsp16xx.h,
8371 config/h8300/h8300.h, config/i960/i960.h, config/m68k/tower-as.h,
8372 config/m88k/m88k.h, config/vax/vax.h, config/we32k/we32k.h:
8373 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Kill.
8374
8375 * libgcc2.c [L_bb] (BLOCK_PROFILER_CODE): Kill.
8376 * config/m68k/sun3.h (BLOCK_PROFILER_CODE): Kill.
8377
8378 * config/i386/i386-protos.h (ix86_output_block_profiler): Kill.
8379 (ix86_output_function_block_profiler): Kill.
8380 * config/m68hc11/m68hc11.c (m68hc11_block_profiler): Kill.
8381 (m68hc11_function_block_profiler): Kill.
8382 * config/m68hc11/m68hc11-protos.h: Update.
8383 * config/m88k/m88k.c (output_block_profiler): Kill.
8384 (output_function_block_profiler): Kill.
8385 * config/m88k/m88k-protos.h: Update.
8386
8387 2002-05-19 Richard Henderson <rth@redhat.com>
8388
8389 * system.h (STRIP_NAME_ENCODING): Poison it.
8390 * output.h (STRIP_NAME_ENCODING): Remove.
8391 (default_strip_name_encoding): Declare.
8392 * target-def.h (TARGET_STRIP_NAME_ENCODING): New.
8393 * target.h (strip_name_encoding): New.
8394 * varasm.c (default_strip_name_encoding): New.
8395
8396 * dwarf2asm.c, varasm.c, config/darwin.c, config/darwin.h,
8397 config/alpha/alpha.c, config/arm/pe.c, config/avr/avr.c,
8398 config/cris/cris.c, config/i386/cygwin.h, config/i386/interix.c,
8399 config/i386/winnt.c, config/m32r/m32r.h, config/mcore/mcore-elf.h,
8400 config/mcore/mcore-pe.h, config/mcore/mcore.c, config/mcore/mcore.h,
8401 config/mips/mips.c, config/mn10200/mn10200.h, config/mn10300/mn10300.h,
8402 config/pa/pa.c, config/pa/pa.h, config/pa/som.h,
8403 config/rs6000/rs6000.c, config/rs6000/sysv4.h, config/rs6000/xcoff.h,
8404 config/v850/v850.h: Use the hook, not the macro.
8405
8406 * config/darwin-protos.h, config/darwin.c, config/darwin.h,
8407 config/alpha/alpha.c, config/alpha/alpha.h, config/h8300/h8300.c,
8408 config/h8300/h8300.h, config/i386/cygwin.h, config/i386/i386-interix.h,
8409 config/i386/i386-protos.h, config/i386/win32.h, config/i386/winnt.c,
8410 config/ia64/ia64.c, config/ia64/ia64.h, config/m32r/m32r.c,
8411 config/m32r/m32r.h, config/mcore/mcore.c, config/mcore/mcore.h,
8412 config/pa/pa.c, config/rs6000/rs6000.c, config/rs6000/sysv4.h,
8413 config/rs6000/xcoff.h, config/sh/sh.c, config/sh/sh.h,
8414 config/v850/v850.c, config/v850/v850.h:
8415 Move STRIP_NAME_ENCODING to out-of-line function and add
8416 TARGET_STRIP_NAME_ENCODING.
8417
8418 * config/arm/arm.c, config/arm/arm.h, config/mmix/mmix-protos.h,
8419 config/mmix/mmix.c, config/mmix/mmix.h: Replace STRIP_NAME_ENCODING
8420 with TARGET_STRIP_NAME_ENCODING referencing existing function;
8421 make function static.
8422
8423 * xcoffout.c: Include target.h
8424 * Makefile.in (xcoffout.o): Update.
8425
8426 * config/avr/avr.c (avr_encode_section_info): Correct prototype.
8427 * config/avr/avr.h (STRIP_NAME_ENCODING): Remove.
8428 * config/rs6000/rs6000.c (rs6000_xcoff_unique_section): Mark
8429 reloc argument unused.
8430 * config/sh/sh.c (TARGET_ENCODE_SECTION_INFO): New.
8431
8432 * doc/tm.texi (TARGET_STRIP_NAME_ENCODING): Update from previous
8433 STRIP_NAME_ENCODING docs.
8434
8435 2002-05-19 Andreas Jaeger <aj@suse.de>
8436
8437 * gengenrtl.c: Add prototype for excluded_rtx.
8438
8439 * real.h: Add prototype for exact_real_truncate.
8440
8441 2002-05-18 Richard Henderson <rth@redhat.com>
8442
8443 * system.h (ENCODE_SECTION_INFO): Poison it.
8444 * target-def.h (TARGET_ENCODE_SECTION_INFO): New.
8445 * target.h (encode_section_info): New.
8446 * varasm.c (make_decl_rtl, output_constant_def): Use it.
8447 * hooks.c (hook_tree_int_void): New.
8448 * hooks.h: Declare it.
8449
8450 * config/darwin.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
8451 config/alpha/alpha.h, config/arm/pe.h, config/avr/avr-protos.h,
8452 config/avr/avr.c, config/avr/avr.h, config/c4x/c4x-protos.h,
8453 config/c4x/c4x.c, config/c4x/c4x.h, config/cris/cris-protos.h,
8454 config/cris/cris.c, config/cris/cris.h, config/i386/cygwin.h,
8455 config/i386/win32.h, config/ia64/ia64-protos.h, config/ia64/ia64.c,
8456 config/ia64/ia64.h, config/m32r/m32r-protos.h, config/m32r/m32r.c,
8457 config/m32r/m32r.h, config/m68hc11/m68hc11-protos.h,
8458 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8459 config/mcore/mcore-protos.h, config/mcore/mcore.c,
8460 config/mcore/mcore.h, config/mmix/mmix-protos.h, config/mmix/mmix.c,
8461 config/mmix/mmix.h, config/rs6000/rs6000-protos.h,
8462 config/rs6000/sysv4.h, config/stormy16/stormy16-protos.h,
8463 config/stormy16/stormy16.c, config/stormy16/stormy16.h:
8464 Replace ENCODE_SECTION_INFO with TARGET_ENCODE_SECTION_INFO
8465 referencing existing function. Make function static.
8466
8467 * config/a29k/a29k.c, config/a29k/a29k.h, config/arc/arc.c,
8468 config/arc/arc.h, config/arm/arm.c, config/arm/arm.h,
8469 config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
8470 config/i370/i370.h, config/i386/i386-interix.h, config/i386/i386.c,
8471 config/i386/i386.h, config/i386/interix.c, config/m88k/m88k.c,
8472 config/m88k/m88k.h, config/mips/mips.c, config/mips/mips.h,
8473 config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa.c,
8474 config/pa/pa.h, config/romp/romp.c, config/romp/romp.h,
8475 config/rs6000/linux64.h, config/rs6000/xcoff.h, config/s390/s390.c,
8476 config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
8477 config/sparc/sparc.c, config/sparc/sparc.h, config/v850/v850.c,
8478 config/v850/v850.h, config/vax/vax.c, config/vax/vms.h,
8479 config/xtensa/xtensa.c, config/xtensa/xtensa.h:
8480 Move ENCODE_SECTION_INFO to out-of-line function and add
8481 TARGET_ENCODE_SECTION_INFO.
8482
8483 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use hook, not macro.
8484 (ASM_DECLARE_OBJECT_NAME, ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8485
8486 * config/arm/pe.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Rename
8487 from SUBTARGET_*
8488 (switch_to_section): Replace in_rdata case with in_readonly_data.
8489
8490 * config/h8300/h8300.c (h8300_encode_label): Make static.
8491 * config/h8300/h8300-protos.h: Update.
8492
8493 * config/rs6000/rs6000.c (rs6000_elf_encode_section_info): Rename
8494 from rs6000_encode_section_info; make static.
8495 (rs6000_xcoff_encode_section_info): New.
8496
8497 * config/v850/v850.c (v850_encode_data_area): Make static.
8498 * config/v850/v850-protos.h: Update.
8499
8500 * config/vax/vax.c: Include flags.h.
8501 (vms_select_section): Fix typo.
8502
8503 * doc/tm.texi (TARGET_ENCODE_SECTION_INFO): Update from previous
8504 ENCODE_SECTION_INFO docs.
8505
8506 2002-05-18 Richard Henderson <rth@redhat.com>
8507
8508 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Rename from
8509 REGISTER_TARGET_PRAGMAS.
8510 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Redefine.
8511
8512 * config.gcc: Do not use rs6000-c.c on powerpc-darwin.
8513
8514 2002-05-18 Richard Henderson <rth@redhat.com>
8515
8516 * system.h (SELECT_RTX_SECTION): Poison.
8517 * target-def.h (TARGET_ASM_SELECT_RTX_SECTION): New.
8518 * target.h (select_rtx_section): New.
8519 * varasm.c (output_constant_pool): Use it.
8520 (default_select_rtx_section, default_elf_select_rtx_section): New.
8521 * output.h: Declare them.
8522
8523 * config/darwin.h (SELECT_RTX_SECTION): Move ...
8524 * config/darwin.c (machopic_select_rtx_section): ... here.
8525 * config/darwin-protos.h: Update.
8526
8527 * config/nextstep.h (SELECT_RTX_SECTION): Move ...
8528 * config/nextstep.c (machopic_select_rtx_section): ... here.
8529 (nextstep_select_section): Rename variable to avoid macro clash.
8530 * config/nextstep-protos.h: Update.
8531
8532 * config/elfos.h, config/svr3.h, config/arm/aof.h, config/c4x/c4x.h,
8533 config/i386/dgux.h, config/i386/osfrose.h, config/i386/sco5.h,
8534 config/i386/svr3gas.h, config/i860/paragon.h, config/ia64/aix.h,
8535 config/m32r/m32r.h, config/m68k/dpx2.h, config/m68k/lynx.h,
8536 config/m68k/m68k.h, config/m68k/tower-as.h, config/m88k/dgux.h,
8537 config/mcore/mcore-pe.h, config/mips/mips.h, config/mmix/mmix.h,
8538 config/pa/pa-linux.h, config/pa/pa.h, config/romp/romp.h,
8539 config/rs6000/lynx.h, config/rs6000/sysv4.h, config/s390/linux.h,
8540 config/sparc/sysv4.h, config/xtensa/elf.h, config/xtensa/linux.h
8541 (SELECT_RTX_SECTION): Remove.
8542
8543 * config/darwin.h, config/elfos.h, config/nextstep.h,
8544 config/ia64/aix.h, config/ia64/sysv4.h, config/alpha/alpha.c,
8545 config/mips/mips.c, config/romp/romp.c, config/rs6000/sysv4.h,
8546 config/rs6000/xcoff.h, config/s390/s390.c, config/sparc/aout.h,
8547 config/sparc/lynx.h, config/xtensa/xtensa.c
8548 (TARGET_ASM_SELECT_RTX_SECTION): New.
8549
8550 * config/alpha/elf.h (SELECT_RTX_SECTION): Move ...
8551 * config/alpha/alpha.c (alpha_elf_select_rtx_section): ... here.
8552 * config/ia64/sysv4.h (SELECT_RTX_SECTION): Move ...
8553 * config/ia64/ia64.c (ia64_select_rtx_section): ... here.
8554 (ia64_aix_select_rtx_section): New.
8555 * config/mips/iris6.h (READONLY_DATA_SECTION_ASM_OP): Undef before
8556 redefining.
8557 * config/mips/mips.c (mips_select_rtx_section): Make static.
8558 Support ELF SHF_MERGE features.
8559 * config/mips/mips-protos.h: Update.
8560 * config/rs6000/xcoff.h (SELECT_RTX_SECTION): Move ...
8561 * config/rs6000/rs6000.c (rs6000_xcoff_select_rtx_section): ... here.
8562 (rs6000_elf_select_rtx_section): Rename from rs6000_select_rtx_section;
8563 make static, fall back to default_elf_select_rtx_section.
8564 * config/rs6000/rs6000-protos.h: Update.
8565 * config/sparc/sparc.h (SELECT_RTX_SECTION): Move ...
8566 * config/sparc/sparc.c (sparc_aout_select_rtx_section): ... here.
8567 * config/sparc/sunos4.h (on_exit): Declare only if IN_LIBGCC2.
8568 * config/romp/romp.c (romp_select_rtx_section): New.
8569 * config/s390/s390.c (s390_select_rtx_section): New.
8570 * config/xtensa/xtensa.c: Include output.h. Shuffle local function
8571 declarations before target macro definition.
8572 (xtensa_emit_call): Use static buffer.
8573 (xtensa_select_rtx_section): New.
8574 * config/xtensa/xtensa.h (MAX_INT_TYPE_SIZE): Remove.
8575 (IMPLICIT_FIX_EXPR, EASY_DIV_EXPR): Remove.
8576 (ASM_OUTPUT_POOL_PROLOGUE): Update call to resolve_unique_section.
8577
8578 * doc/tm.texi (TARGET_ASM_SELECT_RTX_SECTION): Update from
8579 SELECT_RTX_SECTION docs.
8580
8581 Sun May 19 00:24:23 CEST 2002 Jan Hubicka <jh@suse.cz>
8582
8583 * i386.md (movsi/movdi): Fix template.
8584 (sse2 patterns): Set attributes consistently.
8585
8586 * i386.md (pushqi2, ashrqi_*): Fix constraint.
8587
8588 2002-05-18 Toon Moene <toon@moene.indiv.nluug.nl>
8589
8590 * optabs.c (complex_part_zero_p): New.
8591 * (expand_cmplxdiv_straight): Use it.
8592 * (expand_cmplxdiv_wide): Ditto.
8593 * (expand_binop): Ditto.
8594
8595 2002-05-18 Richard Henderson <rth@redhat.com>
8596
8597 * final.c (HAVE_READONLY_DATA_SECTION): New.
8598 (shorten_branches): Use it instead of ifdefs.
8599 * varasm.c (enum in_section): Add in_readonly_data.
8600 (text_section, data_section): Tidy.
8601 (readonly_data_section): Use READONLY_DATA_SECTION_ASM_OP if present.
8602
8603 * config/darwin.h, config/nextstep.h, config/h8300/elf.h,
8604 config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h
8605 (READONLY_DATA_SECTION): Don't undef.
8606
8607 * config/alpha/unicosmk.h, config/h8300/elf.h, config/i386/aix386ng.h,
8608 config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h,
8609 config/rs6000/lynx.h (READONLY_DATA_SECTION_ASM_OP): Undef.
8610
8611 * config/elfos.h, config/svr3.h, config/alpha/alpha-interix.h,
8612 config/alpha/elf.h, config/c4x/c4x.h, config/i386/i386-interix.h,
8613 config/i386/sco5.h, config/i386/svr3gas.h, config/i860/sysv3.h,
8614 config/m88k/m88k.h, config/pa/pa64-hpux.h (USE_CONST_SECTION): Remove.
8615
8616 * config/elfos.h, config/netware.h, config/alpha/alpha-interix.h,
8617 config/alpha/elf.h, config/alpha/vms.h, config/arc/arc.h,
8618 config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h,
8619 config/i386/dgux.h, config/i386/i386-interix.h, config/i386/sco5.h,
8620 config/ia64/hpux.h, config/m32r/m32r.h, config/m68k/tower-as.h,
8621 config/m88k/m88k.h, config/mcore/mcore-pe.h, config/mips/iris6.h,
8622 config/mips/mips.h, config/mmix/mmix.h, config/pa/pa64-hpux.h,
8623 config/sparc/sysv4.h (READONLY_DATA_SECTION_ASM_OP): Rename from
8624 CONST_SECTION_ASM_OP/READONLY_SECTION_ASM_OP/RDATA_SECTION_ASM_OP.
8625
8626 * config/elfos.h, config/netware.h, config/1750a/1750a.h,
8627 config/a29k/a29k.h, config/alpha/alpha-interix.h, config/alpha/alpha.h,
8628 config/arm/coff.h, config/h8300/h8300.h, config/i386/aix386ng.h,
8629 config/i386/i386-interix.h, config/i386/osfrose.h, config/mmix/mmix.h,
8630 config/pa/pa64-hpux.h, config/sparc/litecoff.h
8631 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove.
8632
8633 * config/elfos.h, config/netware.h, config/svr3.h,
8634 config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h,
8635 config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h,
8636 config/h8300/h8300.h, config/i386/i386-interix.h,
8637 config/i386/osfrose.h, config/i386/svr3gas.h, config/mmix/mmix.h,
8638 config/pa/pa64-hpux.h (READONLY_DATA_SECTION): Remove.
8639
8640 * config/elfos.h, config/netware.h, config/svr3.h,
8641 config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h,
8642 config/c4x/c4x.h, config/i386/aix386ng.h, config/i386/i386-interix.h,
8643 config/i386/sco5.h, config/i386/svr3gas.h, config/mmix/mmix.h,
8644 config/pa/pa64-hpux.h (CONST_SECTION_FUNCTION): Remove.
8645
8646 * config/lynx.h, config/svr3.h, config/alpha/elf.h, config/alpha/vms.h,
8647 config/c4x/c4x.h, config/dsp16xx/dsp16xx.h, config/i386/sco5.h,
8648 config/i386/svr3gas.h, config/i860/sysv3.h, config/i860/sysv4.h,
8649 config/ia64/sysv4.h, config/m32r/m32r.h, config/m88k/m88k.h,
8650 config/mcore/mcore-elf.h, config/mcore/mcore-pe.h, config/mips/elf.h,
8651 config/mips/elf64.h, config/mips/iris6.h, config/mips/linux.h,
8652 config/mips/mips.h, config/mips/rtems64.h, config/mips/vxworks.h,
8653 config/rs6000/sysv4.h, config/v850/v850.h
8654 (EXTRA_SECTIONS): Remove in_const/in_rdata.
8655 (EXTRA_SECTION_FUNCTIONS): Remove accompanying function.
8656
8657 * config/svr3.h, config/c4x/c4x.h, config/i386/dgux.h,
8658 config/i386/sco5.h, config/i386/svr3gas.h, config/ia64/aix.h,
8659 config/m88k/dgux.h, config/mcore/mcore-pe.h, config/mmix/mmix.h,
8660 config/sparc/sysv4.h (SELECT_RTX_SECTION): Use readonly_data_section.
8661 * config/alpha/alpha.c (alpha_start_function): Likewise.
8662 (alpha_write_linkage): Likewise.
8663 * config/m32r/m32r.c (m32r_select_section): Likewise.
8664 * config/m88k/m88k.c (m88k_select_section): Likewise.
8665 * config/mips/mips.c (mips_select_rtx_section): Likewise.
8666 * config/rs6000/rs6000.c (rs6000_select_rtx_section): Likewise.
8667 (rs6000_elf_select_section): Likewise.
8668 * config/v850/v850.c (v850_select_section): Likewise.
8669
8670 * config/1750a/1750a.h, config/i860/sysv3.h
8671 (READONLY_DATA_SECTION_ASM_OP): New.
8672 READONLY_DATA_SECTION_ASM_OP.
8673 * config/i386/interix.c, config/i386/winnt.c
8674 (i386_pe_unique_section): Always use .rdata prefix.
8675 * config/pa/som.h (readonly_data): Always switch to read-only section.
8676 (READONLY_DATA_SECTION): Predicate on flag_pic.
8677 * config/we32k/we32k.h (READONLY_DATA_SECTION): Remove parenthesis.
8678 * doc/tm.texi (READONLY_DATA_SECTION_ASM_OP): New.
8679 (READONLY_DATA_SECTION): Update.
8680
8681 2002-05-18 Jason Thorpe <thorpej@wasabisystems.com>
8682
8683 * c-common.c (c_common_post_options): Warn if -Wformat-zero-length
8684 is used without -Wformat.
8685 * c-common.h (warn_format_zero_length): Declare extern.
8686 * c-decl.c (warn_options): Add "format-zero-length".
8687 * c-format.c (warn_format_zero_length): Declare.
8688 (set_Wformat): Set warn_format_zero_length for -Wformat.
8689 (check_format_info): Only warn about zero-length formats if
8690 warn_format_zero_length is true. Include the format type
8691 name in the warning message.
8692 * doc/invoke.texi: Document -Wformat-zero-length.
8693 * testsuite/gcc.dg/format/zero-length-1.c: New test.
8694
8695 2002-05-18 Kazu Hirata <kazu@cs.umass.edu>
8696
8697 * timevar.c: Fix formatting.
8698 * tlink.c: Likewise.
8699 * toplev.c: Likewise.
8700 * tree-dump.c: Likewise.
8701 * tree-inline.c: Likewise.
8702
8703 2002-05-18 Neil Booth <neil@daikokuya.demon.co.uk>
8704
8705 * cppinit.c (cpp_post_options): If preprocessed, turn off
8706 traditional. If traditional, turn off column numbers.
8707 * cpplib.c (cpp_push_buffer): Lex from stage 3 if traditional.
8708 * cpptrad.c (handle_newline): Update line_base.
8709 (skip_comment): Handle -Wcomment.
8710
8711 2002-05-17 Zack Weinberg <zack@codesourcery.com>
8712
8713 * cppinit.c (struct builtin): Remove unused fields.
8714 (CPLUS, BUILTIN, OPERATOR, O, builtin_array_end): Kill.
8715 (operator_array): New - was second half of builtin_array.
8716 (init_builtins): Simplify loop over builtin_array/operator_array.
8717
8718 2002-05-18 Neil Booth <neil@daikokuya.demon.co.uk>
8719
8720 * defaults.h (UNIQUE_SECTION): Remove.
8721 * system.h (UNIQUE_SECTION, SELECT_SECTION): Poison.
8722
8723 2002-05-17 Richard Henderson <rth@redhat.com>
8724
8725 * expr.c (init_expr_once): Don't use start/end_sequence.
8726 Use rtx_alloc instead of emit_insn.
8727 * toplev.c (lang_dependent_init): Run init_expr_once here ...
8728 (lang_independent_init): ... not here.
8729
8730 2002-05-17 Jason Thorpe <thorpej@wasabisystems.com>
8731
8732 * config/sh/lib1funcs.asm (GLOBAL): Use __USER_LABEL_PREFIX__.
8733
8734 2002-05-17 Marek Michalkiewicz <marekm@amelek.gda.pl>
8735
8736 * config/avr/avr.c (avr_regs_to_save): New function. Also check
8737 for fixed registers, possibly used for global register variables.
8738 (initial_elimination_offset, avr_output_function_prologue,
8739 avr_output_function_epilogue): Move common code to avr_regs_to_save.
8740
8741 2002-05-17 Neil Booth <neil@daikokuya.demon.co.uk>
8742
8743 * Makefile.in: Update for cpptrad.c.
8744 * cpphash.h (struct cpp_buffer): New members for buffer
8745 overlays.
8746 (struct cpp_reader): New members for traditional output.
8747 (_cpp_read_logical_line, _cpp_overlay_buffer): New.
8748 * cppinit.c (cpp_create_reader): Set trad_line.
8749 (cpp_destroy): Free trad_out_base if used.
8750 (cpp_read_main_file): Overlay an empty buffer if traditional.
8751 (cpp_finish_options): Don't do builtins.
8752 (COMMAND_LINE_OPTIONS): Add -traditional-cpp.
8753 (cpp_handle_option): Handle it.
8754 * cpplex.c (continue_after_nul): New.
8755 (_cpp_lex_direct): Use handle_nul.
8756 * cpplib.h (struct cpp_options): New traditional option.
8757 * cpptrad.c: New file.
8758
8759 2002-05-17 Neil Booth <neil@daikokuya.demon.co.uk>
8760
8761 * c-common.c (c_common_init_options): Use C89 for Objective-C,
8762 and set the options flag.
8763 * cppinit.c (lang_flags): Remove objc.
8764 (lang_defaults): Remove OBJC and OBJCXX.
8765 (set_lang): Update.
8766 (COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
8767 (cpp_handle_option): Remove -+ and -lang-objc++.
8768 For ObjC, just set a flag.
8769 (print_help): Update.
8770 * cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.
8771
8772 2002-05-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8773
8774 * doc/install.texi (Specific, mips-sgi-irix6): Document need to
8775 bootstrap with -mips3.
8776
8777 2002-05-17 Kazu Hirata <kazu@cs.umass.edu>
8778
8779 * final.c: Fix formatting.
8780 * fix-header.c: Likewise.
8781 * flow.c: Likewise.
8782 * fold-const.c: Likewise.
8783 * function.c: Likewise.
8784
8785 2002-05-17 David S. Miller <davem@redhat.com>
8786
8787 PR c/6689, PR optimization/6615
8788 * local-alloc.c (struct equivalence): Rename 'src' to 'src_p'
8789 and make it a pointer to rtx. Update comments.
8790 (update_equiv_regs): When scanning for equivalences, record
8791 address of SET_SRC (set) in reg_equiv[].src_p. Dereference
8792 it while making the equiv replacements.
8793
8794 2002-05-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8795
8796 * config/sparc/sparc.c (sparc_aout_select_section): Fixed typo.
8797
8798 2002-05-17 kaz Kojima <kkojima@rr.iij4u.or.jp>
8799
8800 * config/sh/sh.h (ENCODE_SECTION_INFO): Consider MODULE_LOCAL_P
8801 when encoding visibility into SYMBOL_REF_FLAG.
8802
8803 2002-05-17 Richard Sandiford <rsandifo@redhat.com>
8804
8805 * expr.c (force_operand): Fix reversed move.
8806
8807 2002-05-17 Kurt Wall <kwall@kurtwerks.com>
8808
8809 * doc/install.texi (Testing): Mention two common DejaGnu warnings
8810 that can be ignored.
8811
8812 2002-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8813
8814 * doc/install.texi (Final install): Recommend to install into a
8815 "clean" target directory.
8816
8817 2002-05-17 Richard Henderson <rth@redhat.com>
8818
8819 * config/ia64/ia64.md: Use braced strings instead of quoted strings
8820 for code blocks. Tidy whitespace.
8821
8822 2002-05-17 Richard Henderson <rth@redhat.com>
8823
8824 * hooks.c (hook_tree_bool_false): New.
8825 * hooks.h: Declare it.
8826 * target-def.h (TARGET_ASM_SELECT_SECTION): New.
8827 (TARGET_ASM_UNIQUE_SECTION, TARGET_IN_SMALL_DATA_P): New.
8828 * target.h (select_section, unique_section): New.
8829 (in_small_data_p): New.
8830 * varasm.c (resolve_unique_section): Use hooks instead of macros.
8831 (variable_section, output_constant_def_contents): Likewise.
8832 (default_select_section, default_unique_section): New.
8833 (categorize_decl_for_section, default_elf_select_section): New.
8834 * output.h: Declare them.
8835
8836 * config/darwin.h (ALIAS_SECTION, try_section_alias): Remove.
8837 (TARGET_ASM_SELECT_SECTION): New.
8838 (SELECT_SECTION): Move ...
8839 * config/darwin.c (machopic_select_section): ... here.
8840 * config/darwin-protos.h: Update.
8841
8842 * config/nextstep.h (TARGET_ASM_SELECT_SECTION): New.
8843 (SELECT_SECTION): Move ...
8844 * config/nextstep.c (nextstep_select_section): ... here.
8845 * config/nextstep-protos.h: Update.
8846
8847 * config/elfos.h (UNIQUE_SECTION, SELECT_SECTION): Remove.
8848 (TARGET_ASM_SELECT_SECTION): New.
8849 * config/svr3.h (SELECT_SECTION): Remove.
8850
8851 * config/alpha/alpha.c (unicosmk_unique_section): Make static.
8852 (TARGET_ASM_UNIQUE_SECTION) [UNICOS]: New.
8853 (TARGET_IN_SMALL_DATA_P, alpha_in_small_data_p): New.
8854 (alpha_encode_section_info): Use it.
8855 * config/alpha/alpha-protos.h: Update.
8856 * config/alpha/elf.h (DO_SELECT_SECTION): Remove.
8857 (SELECT_SECTION, UNIQUE_SECTION): Remove.
8858 (TARGET_ASM_SELECT_SECTION): New.
8859 * config/alpha/unicosmk.h (UNIQUE_SECTION): Remove.
8860
8861 * config/arm/pe.h (UNIQUE_SECTION): Remove.
8862 (TARGET_ASM_UNIQUE_SECTION): New.
8863
8864 * config/avr/avr.c (TARGET_ASM_UNIQUE_SECTION): New.
8865 (avr_unique_section): Rename from unique_section; make static.
8866 * config/avr/avr-protos.h: Update.
8867 * config/avr/avr.h (UNIQUE_SECTION): Remove.
8868
8869 * config/c4x/c4x.h (SELECT_SECTION): Remove.
8870
8871 * config/i386/cygwin.h (UNIQUE_SECTION): Remove.
8872 (TARGET_ASM_UNIQUE_SECTION): New.
8873 * config/i386/i386-interix.h: Likewise.
8874 * config/i386/win32.h: Likewise.
8875 * config/i386/djgpp.h (UNIQUE_SECTION): Remove.
8876 * config/i386/i386.c (ix86_asm_file_end): Use target hook not macro.
8877 * config/i386/sco5.h (SELECT_SECTION): Remove.
8878 (TARGET_ASM_SELECT_SECTION): New.
8879 * config/i386/svr3gas.h (SELECT_SECTION): Remove.
8880
8881 * config/i860/paragon.h: Undef TARGET_ASM_SELECT_SECTION
8882 instead of SELECT_SECTION.
8883 * config/m68k/dpx2.h: Likewise.
8884 * config/rs6000/lynx.h: Likewise.
8885
8886 * config/ia64/aix.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
8887 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
8888 * config/ia64/ia64.c (TARGET_IN_SMALL_DATA_P): New.
8889 (ia64_in_small_data_p): New.
8890 (ia64_encode_section_info): Use it. Reorganize overlarge conditional.
8891 (ia64_aix_select_section, ia64_aix_unique_section): New.
8892 * config/ia64/sysv4.h (DO_SELECT_SECTION): Remove.
8893 (SELECT_SECTION, UNIQUE_SECTION): Remove.
8894
8895 * config/m32r/m32r.h (SELECT_SECTION): Remove.
8896 (TARGET_ASM_SELECT_SECTION): New.
8897 * config/m32r/m32r.c (m32r_select_section): Take align argument.
8898 * config/m32r/m32r-protos.h: Update.
8899
8900 * config/m88k/m88k.h (TARGET_ASM_SELECT_SECTION): New.
8901 (SELECT_SECTION): Move ...
8902 * config/m88k/m88k.c (m88k_select_section): ... here.
8903
8904 * config/mcore/mcore-pe.h (SELECT_SECTION): Remove.
8905 * config/mcore/mcore.h (UNIQUE_SECTION): Remove.
8906 * config/mcore/mcore.c (TARGET_ASM_UNIQUE_SECTION): New.
8907 (mcore_unique_section): Make static.
8908 * config/mcore/mcore-protos.h: Update.
8909
8910 * config/mips/elf.h (UNIQUE_SECTION): Remove.
8911 (TARGET_ASM_UNIQUE_SECTION): New.
8912 * config/mips/elf64.h: Likewise.
8913 * config/mips/iris6gld.h: Likewise.
8914 * config/mips/linux.h: Likewise.
8915 * config/mips/mips-protos.h: Update.
8916 * config/mips/mips.c (mips_select_section): Add align argument.
8917 * config/mips/mips.h (SELECT_SECTION): Remove.
8918 (TARGET_ASM_SELECT_SECTION): New.
8919
8920 * config/mmix/mmix.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
8921 * config/mmix/mmix.c (mmix_select_section): Remove.
8922 (mmix_unique_section): Remove.
8923 * config/mmix/mmix-protos.h: Update.
8924
8925 * config/pa/pa.h (TARGET_ASM_SELECT_SECTION): New.
8926 (SELECT_SECTION): Move ...
8927 * config/pa/pa.c (pa_select_section): ... here.
8928 * config/pa/pa64-hpux.h (UNIQUE_SECTION): Remove.
8929
8930 * config/rs6000/rs6000.c (rs6000_elf_select_section): Rename
8931 from rs6000_select_section and make static.
8932 (rs6000_elf_unique_section): Similarly.
8933 (rs6000_xcoff_select_section): From xcoff.h.
8934 (rs6000_xcoff_unique_section): Likewise.
8935 * config/rs6000/rs6000-protos.h: Update.
8936 * config/rs6000/sysv4.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
8937 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
8938 * config/rs6000/xcoff.h: Likewise.
8939
8940 * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): New.
8941 (SELECT_SECTION): Move ...
8942 * config/sparc/sparc.c (sparc_aout_select_section): ... here.
8943
8944 * config/v850/v850.h (SELECT_SECTION): Move ...
8945 * config/v850/v850.c (v850_select_section): ... here.
8946 (TARGET_ASM_SELECT_SECTION): New.
8947
8948 * config/vax/vms.h (SELECT_SECTION): Move ...
8949 * config/vax/vax.c (vms_select_section): ... here.
8950 (TARGET_ASM_SELECT_SECTION): New.
8951
8952 * doc/tm.texi: Update SELECT_SECTION and UNIQUE_SECTION docs
8953 for the target hooks.
8954
8955 2002-05-17 Nick Clifton <nickc@cambridge.redhat.com>
8956
8957 * config/arm/arm.c (emit_multi_reg_push): Do not set
8958 RTX_FRAME_RELATED_P on the SEQUENCE.
8959
8960 2002-05-16 Richard Henderson <rth@redhat.com>
8961
8962 * config/ia64/ia64.c (ia64_reorg): Rebuild bb_for_insn before
8963 splitting. Use split_all_insns; update_life_info_in_dirty_blocks.
8964
8965 2002-05-16 Richard Henderson <rth@redhat.com>
8966
8967 * config/alpha/unicosmk.h (TARGET_OS_CPP_BUILTINS): Fix typo.
8968
8969 * config/ia64/ia64.c (saveable_obstack): Do not declare.
8970
8971 2002-05-16 Richard Henderson <rth@redhat.com>
8972
8973 * basic-block.h, bb-reorder.c, cfg.c, cfganal.c, cfgbuild.c,
8974 cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c, combine.c,
8975 conflict.c, df.c, df.h, dominance.c, final.c, flow.c, function.c,
8976 gcse.c, global.c, graph.c, haifa-sched.c, ifcvt.c, lcm.c,
8977 local-alloc.c, loop.c, predict.c, print-rtl.c, profile.c,
8978 recog.c, reg-stack.c, regclass.c, regmove.c, regrename.c,
8979 reload1.c, reorg.c, resource.c, sbitmap.c, sched-deps.c,
8980 sched-ebb.c, sched-rgn.c, sibcall.c, ssa-ccp.c, ssa-dce.c, ssa.c:
8981 Revert "Basic block renumbering removal", and two followup patches.
8982
8983 2002-05-16 Jason Thorpe <thorpej@wasabisystems.com>
8984
8985 * lcm.c (optimize_mode_switching): Revert previous change.
8986
8987 2002-05-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
8988
8989 * sched-rgn.c (schedule_insns): Initialize large_region_blocks
8990 with only extant block numbers.
8991
8992 2002-05-16 Jason Thorpe <thorpej@wasabisystems.com>
8993
8994 * lcm.c (optimize_mode_switching): Fix typo.
8995
8996 2002-05-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
8997
8998 * flow.c (calculate_global_regs_live): Queue blocks in program order.
8999
9000 2002-05-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9001
9002 * doc/install.texi (Configuration): Document PWDCMD.
9003
9004 2002-05-16 Dale Johannesen <dalej@apple.com>
9005
9006 * combine.c (cant_combine_insn_p): Reenable combinations
9007 involving hard regs unless CLASS_LIKELY_SPILLED_P.
9008
9009 2002-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
9010
9011 * c-common.c (cb_register_builtins): Handle more built-ins
9012 here rather than in gcc.c specs.
9013 * gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
9014 (cpp_options): Pass -O flags even when only preprocessing.
9015 * toplev.c (set_fast_math_flags): New prototype.
9016 (fast_math_flags_set_p): New.
9017 (set_no_fast_math_flags): Remove.
9018 (decode_f_option): Update.
9019 * toplev.h (set_fast_math_flags): Update.
9020 (fast_math_flags_set_p): New.
9021 (set_no_fast_math_flags): Remove.
9022 config:
9023 * c4x/c4x.c (c4x_override_options): Update.
9024
9025 2002-05-16 Zack Weinberg <zack@codesourcery.com>
9026
9027 * c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
9028 Default-define here.
9029 (builtin_define_with_value): Can now wrap the expansion in
9030 quotation marks if such is wanted.
9031 (cb_register_builtins): Update calls to builtin_define_with_value.
9032 Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
9033 here.
9034 (c_common_init): Set options->stdc_0_in_system_headers.
9035 * c-lex.h: Update prototype of builtin_define_with_value.
9036 * cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
9037 and REGISTER_PREFIX.
9038
9039 * cppinit.c (VERS, ULP, C, X): Kill.
9040 (builtin_array): Remove entries for __VERSION__,
9041 __USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
9042 __HAVE_BUILTIN_SETJMP__. Make __STDC__ always a builtin, not
9043 a constant.
9044 (init_builtins): Kill off a bunch of now-dead code.
9045 (COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
9046 -fno-leading-underscore.
9047 (cpp_handle_option): Remove code to set user_label_prefix.
9048 (cpp_post_options): Likewise.
9049
9050 * cpplib.h (struct cpp_options): Remove user_label_prefix.
9051 (stdc_0_in_system_headers): New.
9052 * cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
9053 stdc_0_in_system_headers) too to decide the value of __STDC__.
9054
9055 * tradcpp.c (user_label_prefix): Kill.
9056 (main): Remove code handling -f(no-)leading-underscore.
9057 (initialize_builtins): Don't define __REGISTER_PREFIX__
9058 or __USER_LABEL_PREFIX__.
9059 (install_value): Wrap compound statement in dummy loop so the
9060 macro works properly in an if statement.
9061
9062
9063 2002-05-16 Janis Johnson <janis187@us.ibm.com>
9064
9065 * loop.h (struct loop_info): Add member has_prefetch.
9066 * loop.c (PREFETCH_CONDITIONAL): Change default to 1.
9067 (prescan_loop): Initialize has_prefetch.
9068 (struct prefetch_info): Change prefetch_in_loop and
9069 prefetch_before_loop from bit fields to ints.
9070 (emit_prefetch_instructions): Several small fixes.
9071 (check_dbra_loop): Don't reverse loop that uses prefetch.
9072
9073 2002-05-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9074
9075 * Makefile.in: Allow for PWDCMD to override hardcoded pwd.
9076 * configure.in: Likewise.
9077 * fixinc/check.tpl: Likewise.
9078 * fixinc/fixinc.dgux: Likewise.
9079 * fixinc/fixinc.svr4: Likewise.
9080 * fixinc/fixinc.winnt: Likewise.
9081 * fixinc/fixincl.sh: Likewise.
9082 * fixproto: Likewise.
9083 * configure: Regenerate.
9084
9085 2002-05-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
9086
9087 Basic block renumbering removal:
9088 * basic_block.h (struct basic_block_def): Renamed index to sindex,
9089 added prev_bb and next_bb fields.
9090 (n_basic_blocks): Renamed to num_basic_blocks.
9091 (last_basic_block): New, index of last basic block.
9092 (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
9093 traversing basic block chain.
9094 (BLOCK_NUM): index -> sindex.
9095 (create_basic_block_structure, create_basic_block): Declaration changed.
9096 (debug_num2bb): Declare.
9097 (expunge_block_nocompact): Declaration removed.
9098 (link_block, unlink_block, compact_blocks): Declare.
9099 * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): Modified.
9100 * cfg.c (entry_exit_blocks): Initialize new fields.
9101 (clear_edges, alloc_block, expunge_block, cached_make_edge,
9102 redirect_edge_pred, dump_flow_info, dump_edge_info,
9103 alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges,
9104 free_aux_for_edges): Modified.
9105 (link_block, unlink_block, compact_blocks, debug_num2bb): New.
9106 (expunge_block_nocompact): Removed.
9107 * cfganal.c (can_fallthru, mark_dfs_back_edges, flow_call_edges_add,
9108 find_unreachable_blocks, create_edge_list, print_edge_list,
9109 verify_edge_list, flow_edge_list_print, remove_fake_successors,
9110 remove_fake_edges, flow_reverse_top_sort_order_compute,
9111 flow_depth_first_order_compute, flow_preorder_transversal_compute,
9112 flow_dfs_compute_reverse_init, flow_dfs_compute_reverse_add_bb,
9113 flow_dfs_compute_reverse_execute): Modified.
9114 * cfgbuild.c (make_edges, make_eh_edge, find_basic_blocks_1,
9115 find_basic_blocks, find_many_sub_basic_blocks, find_sub_basic_blocks):
9116 Modified.
9117 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9118 merge_blocks_move_predecessor_nojumps,
9119 merge_blocks_move_successor_nojumps, merge_blocks,
9120 outgoing_edges_match, try_crossjump_to_edge, try_crossjump_bb,
9121 try_optimize_cfg, delete_unreachable_blocks, cleanup_cfg): Modified.
9122 * cfglayout.c (skip_insns_after_block, label_for_bb,
9123 record_effective_endpoints, scope_to_insns_finalize,
9124 fixup_reorder_chain, verify_insn_chain, cleanup_unconditional_jumps,
9125 fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge,
9126 cfg_layout_duplicate_bb): Modified.
9127 * cfgloop.c (flow_loops_cfg_dump, flow_loop_dump, flow_loops_dump,
9128 flow_loop_entry_edges_find, flow_loop_exit_edges_find,
9129 flow_loop_nodes_find, flow_loop_pre_header_find, flow_loop_scan,
9130 flow_loops_find, flow_loop_outside_edge_p): Modified.
9131 * cfgrtl.c (create_basic_block_structure, create_basic_block,
9132 flow_delete_block, compute_bb_for_insn, split_block,
9133 try_redirect_by_replacing_jump, redirect_edge_and_branch,
9134 force_nonfallthru_and_redirect, tidy_fallthru_edge,
9135 back_edge_of_syntactic_loop_p, split_edge, commit_one_edge_insertion,
9136 commit_edge_insertions, commit_edge_insertions_watch_calls,
9137 dump_bb, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
9138 purge_all_dead_edges): Modified.
9139 * combine.c (combine_instructions, set_nonzero_bits_and_sign_copies,
9140 try_combine, nonzero_bits, num_sign_bit_copies, get_last_value_validate,
9141 get_last_value, reg_dead_at_p, distribute_notes, distribute_links):
9142 Modified.
9143 * conflict.c (conflict_graph_compute): Modified.
9144 * df.c (FOR_ALL_BBS): Removed.
9145 (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
9146 df_modified_p, df_analyse, df_refs_unlink, df_insn_modify,
9147 df_dump, hybrid_search_bitmap, iterative_dataflow_sbitmap): Modified.
9148 * df.h (DF_BB_INFO, DF_REF_BBNO): Modified.
9149 * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
9150 calc_idoms, idoms_to_doms, calculate_dominance_info): Modified.
9151 * final.c (compute_alignments, final_scan_insn): Modified.
9152 * flow.c (verify_local_live_at_start, update_life_info,
9153 update_life_info_in_dirty_blocks, free_basic_block_vars,
9154 delete_noop_moves, calculate_global_regs_live,
9155 initialize_uninitialized_subregs, allocate_bb_life_data,
9156 regno_uninitialized, regno_clobbered_at_setjmp, mark_set_1,
9157 mark_used_reg, count_or_remove_death_notes): Modified.
9158 * function.c (thread_prologue_and_epilogue_insns): Modified.
9159 * gcse.c (struct null_pointer_info): Change typo of current_block
9160 to basic_block.
9161 (gcse_main, alloc_gcse_mem, compute_local_properties, compute_sets,
9162 oprs_unchanged_p, load_killed_in_block_p, record_last_reg_set_info,
9163 compute_hash_table, alloc_rd_mem, handle_rd_kill_set, compute_kill_rd,
9164 alloc_avail_expr_mem, expr_killed_p, compute_ae_kill,
9165 expr_reaches_here_p_work, expr_reaches_here_p, handle_avail_expr,
9166 classic_gcse, one_classic_gcse_pass, compute_transp, cprop,
9167 one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p_work,
9168 pre_expr_reaches_here_p, insert_insn_end_bb, pre_edge_insert,
9169 pre_delete, one_pre_gcse_pass, compute_transpout,
9170 invalidate_nonnull_info, delete_null_pointer_checks_1,
9171 free_code_hoist_mem, compute_code_hoist_vbeinout,
9172 hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
9173 compute_ld_motion_mems, store_ops_ok, find_moveable_store,
9174 compute_store_table, build_store_vectors, insert_insn_start_bb,
9175 insert_store, replace_store_insn, free_store_memory, store_motion):
9176 Modified.
9177 * global.c (global_alloc, global_conflicts, mark_elimination,
9178 build_insn_chain): Modified.
9179 * graph.c (print_rtl_graph_with_bb): Modified.
9180 * haifa-sched.c (sched_init): Modified.
9181 * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
9182 (find_if_block, find_cond_trap, find_if_case_1, find_if_case_2,
9183 if_convert): Modified.
9184 * lcm.c (compute_antinout_edge, compute_earliest, compute_laterin,
9185 compute_insert_delete, pre_edge_lcm, compute_available,
9186 compute_farthest, compute_nearerout, compute_rev_insert_delete,
9187 pre_edge_rev_lcm, make_preds_opaque, optimize_mode_switching):
9188 Modified.
9189 * local-alloc.c (alloc_qty, local_alloc, update_equiv_regs): Modified.
9190 * loop.c (loop_dump_aux): Modified.
9191 * predict.c (combine_predictions_for_insn, estimate_probability,
9192 last_basic_block_p, process_note_prediction, process_note_predictions,
9193 note_prediction_to_br_prob, propagate_freq, counts_to_freqs,
9194 expensive_function_p, estimate_bb_frequencies,
9195 compute_function_frequency): Modified.
9196 * print-rtl.c (print_rtx): Modified.
9197 * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX, instrument_edges,
9198 get_exec_counts, compute_branch_probabilities, compute_checksum,
9199 branch_prob, find_spanning_tree): Modified.
9200 * recog.c (split_all_insns, peephole2_optimize): Modified.
9201 * reg-stack.c (reg_to_stack, convert_regs_entry, compensate_edge,
9202 convert_regs_1, convert_regs_2, convert_regs): Modified.
9203 * regclass.c (scan_one_insn, regclass): Modified.
9204 * regmove.c (mark_flags_life_zones, regmove_optimize,
9205 combine_stack_adjustments): Modified.
9206 * regrename.c (regrename_optimize, copyprop_hardreg_forward): Modified.
9207 * reload1.c (reload, reload_combine, copy_eh_notes): Modified.
9208 * reorg.c (dbr_schedule): Modified.
9209 * resource.c (find_basic_block, init_resource_info): Modified.
9210 * sbitmap.c (sbitmap_intersection_of_succs,
9211 sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9212 sbitmap_union_of_preds): Modified.
9213 * sched-deps.c (init_dependency_caches): Modified.
9214 * sched-ebb.c (schedule_ebbs): Modified.
9215 * sched-rgn.c (is_cfg_nonregular, build_control_flow, debug_regions,
9216 find_rgns, compute_trg_info, init_regions, schedule_insns): Modified.
9217 * sibcall.c (optimize_sibling_and_tail_recursive_call): Modified.
9218 * ssa-ccp.c (examine_flow_edges, optimize_unexecutable_edges,
9219 ssa_ccp_substitute_constants, ssa_ccp_df_delete_unreachable_insns,
9220 ssa_const_prop): Modified.
9221 * ssa-dce.c (set_control_dependent_block_to_edge_map_,
9222 find_control_dependence, find_pdom, ssa_eliminate_dead_code): Modified.
9223 * ssa.c (remove_phi_alternative, find_evaluations,
9224 compute_dominance_frontiers_1, compute_iterated_dominance_frontiers,
9225 insert_phi_node, rename_block, convert_to_ssa, eliminate_phi,
9226 make_regs_equivalent_over_bad_edges,
9227 make_equivalent_phi_alternatives_equival,
9228 compute_conservative_reg_partition,
9229 coalesce_regs_in_successor_phi_nodes, compute_coalesced_reg_partition,
9230 rename_equivalent_regs, convert_from_ssa, for_each_successor_phi):
9231 Modified.
9232
9233 2002-05-16 Mark Mitchell <mark@codesourcery.com>
9234
9235 * cfgrtl.c (purge_dead_edges): Correct handling of EDGE_EH.
9236
9237 2002-05-16 Nick Clifton <nickc@cambridge.redhat.com>
9238
9239 * config/arm/arm.c (arm_rtx_costs): Check for RTX being a
9240 SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
9241 (arm_adjust_cost): Check for RTX being a SYMBOL_REF before
9242 calling CONSTANT_POOL_ADDRESS_P.
9243 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Fix typo in code
9244 to decide whether to define __arm__ or __thumb.
9245 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Check for RTX being a
9246 SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
9247
9248 2002-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
9249
9250 * config/arc/arc.h (CPP_PREDEFINES): Remove.
9251 (CPP_SPEC): Update.
9252 (TARGET_CPU_CPP_BUILTINS): New.
9253
9254 2002-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
9255
9256 * cpphash.h (cpp_macro): Move here, and make expansion a union.
9257 * cppmacro.c (cpp_macro): Remove.
9258 (enter_macro_context, replace_args, warn_of_redefinition,
9259 _cpp_create_definition, cpp_macro_definition): Update.
9260
9261 2002-05-16 Jason Merrill <jason@redhat.com>
9262
9263 * config/mips/mips.c (mips_output_external): Don't do sdata
9264 optimization for a variable with DECL_COMDAT set.
9265
9266 2002-05-15 Aldy Hernandez <aldyh@redhat.com>
9267
9268 * config/rs6000/altivec.h: Cleanups for tighter typechecking.
9269 Cleanups for accepting modifiers on pointers.
9270 Fix predicate typos.
9271 Allow long pointers as well as int pointers.
9272
9273 2002-05-15 Richard Henderson <rth@redhat.com>
9274
9275 * varasm.c (merge_weak): Remove special case for extern and common.
9276
9277 2002-05-15 Matt Hiller <hiller@redhat.com>
9278
9279 * testsuite/gcc.c-torture/compile/20000804-1.x: Don't return 1 if
9280 XFAILing.
9281 * testsuite/gcc.c-torture/compile/20001226-1.x: Ditto.
9282 * testsuite/gcc.c-torture/compile/920520-1.x: Ditto.
9283 * testsuite/gcc.c-torture/compile/mipscop-1.x: XFAIL for now.
9284 * testsuite/gcc.c-torture/compile/mipscop-2.x: Ditto.
9285 * testsuite/gcc.c-torture/compile/mipscop-3.x: Ditto.
9286 * testsuite/gcc.c-torture/compile/mipscop-4.x: Ditto.
9287
9288 2002-05-15 Aldy Hernandez <aldyh@redhat.com>
9289
9290 * reload1.c (forget_old_reloads_1): Do not use subreg offset.
9291
9292 2002-05-15 Aldy Hernandez <aldyh@redhat.com>
9293
9294 * config/rs6000/rs6000.md ("altivec_mtvscr"): Set VSCR register.
9295 ("altivec_mfvscr"): Read from VSCR.
9296
9297 Add vscr sets for the following insns: altivec_vctuxs,
9298 altivec_vaddubs, altivec_vaddsbs, altivec_vadduhs,
9299 altivec_vaddshs, altivec_vadduws, altivec_vaddsws, altivec_vctsxs,
9300 altivec_vmhaddshs, altivec_vmhraddshs, altivec_vmsumuhs,
9301 altivec_vmsumshs, altivec_vpkuhss, altivec_vpkshss,
9302 altivec_vpkuwss, altivec_vpkswss, altivec_vpkuhus,
9303 altivec_vpkshus, altivec_vpkuwus, altivec_vpkswus,
9304 altivec_vsububs, altivec_vsubsbs, altivec_vsubuhs,
9305 altivec_vsubshs, altivec_vsubuws, altivec_vsubsws,
9306 altivec_vsum4ubs, altivec_vsum4sbs, altivec_vsum4shs,
9307 altivec_vsum2sws, altivec_vsumsws.
9308
9309 * config/rs6000/rs6000.h: Add VSCR fixed register.
9310 (CALL_REALLY_USED_REGISTERS): Add vscr.
9311 (CALL_USED_REGISTERS): Same.
9312 (FIXED_REGISTERS): Same.
9313 (REG_ALLOC_ORDER): Same.
9314 (reg_class): Add VSCR_REGS.
9315 (REG_CLASS_NAMES): Same.
9316 (REG_CLASS_CONTENTS): Same.
9317 (VSCR_REGNO): New.
9318 (REGISTER_NAMES): Add vscr.
9319 (DEBUG_REGISTER_NAMES): Same.
9320 (ADDITIONAL_REGISTER_NAMES): Same.
9321 (FIRST_PSEUDO_REGISTER): Increment.
9322 (CONDITIONAL_REGISTER_USAGE): Set VSCR as a global register.
9323
9324 2002-05-15 Jakub Jelinek <jakub@redhat.com>
9325
9326 * fold-const.c (fold): Fix a typo.
9327
9328 2002-05-15 Eric Botcazou <ebotcazou@multimania.com>
9329
9330 * fold-const.c (fold) [LT_EXPR]: Move the transformation of a
9331 comparison against the highest or lowest integer value before
9332 the 'X >= CST to X > (CST - 1)' and 'X < CST to X <= (CST - 1)'
9333 transformation and that of an unsigned comparison against 0
9334 right after.
9335
9336 2002-05-15 Richard Henderson <rth@redhat.com>
9337
9338 * varasm.c (merge_weak): Error for any weakening after definition.
9339 Adjust weakening after use warning to catch more cases.
9340 (assemble_alias): Set TREE_USED and TREE_ASM_WRITTEN consistently.
9341 * config/alpha/alpha.c (alpha_encode_section_info): Do not abort.
9342
9343 Wed May 15 10:38:27 CEST 2002 Jan Hubicka <jh@suse.cz>
9344
9345 * invoke.texi (-malign-double): Re-add lost warning.
9346
9347 * i386-protos.h (x86_output_mi_thunk): Declare.
9348 * unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
9349 * i386.c (x86_output_mi_thunk): ... here; handle 64bits.
9350
9351 * dwarf2out.c (output_call_frame_info): Do not skip unwind info
9352 when flag_asynchronous_unwind_tables is set.
9353
9354 * flags.h (flag_reorder_functions): Declare.
9355 * function.c (prepare_function_start): Initialize frequnecy.
9356 * params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New.
9357 * Makefile.in (predict.o): Add dependency on target.h and params.h
9358 * defaults.h (HOT_TEXT_SECTION_NAME,
9359 UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
9360 * predict.c (choose_function_section): New function.
9361 (estimate_bb_frequencies): Use it.
9362 * toplev.c (flag_reorder_functions): New global variable.
9363 (lang_independent_options): New.
9364 (parse_options_and_default_flags): Set.
9365 * varasm.c (assemble_start_function): Bypass functdion alignment
9366 for never executed functions.
9367 * invoke.texi (-freorder-blocks, -freorder-functions): Document.
9368 (param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
9369 * tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
9370 Document.
9371
9372 Thu Jan 3 21:52:09 CET 2002 Jan Hubicka <jh@suse.cz>
9373
9374 * predict.c: Inlude profile.h
9375 (MIN_COUNT): Rename to MIN_COUNT_FRACTION
9376 (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
9377 Use the information about maximal counter in the program.
9378
9379 Thu Dec 20 22:14:00 CET 2001 Jan Hubicka <jh@suse.cz>
9380
9381 * basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
9382 probably_never_executed_bb_p): New functions.
9383 * cfgcleanup.c (outgoing_edges_match): Use them.
9384 * predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
9385 (maybe_hot_bb_p, probably_cold_bb_p,
9386 probably_never_executed_bb_p): New functions.
9387
9388 * function.h (function): Add new field function_frequency.
9389 * predict.c (compute_function_frequency): New function.
9390 (estimate_probability): Call it.
9391
9392 2002-03-09 Jakub Jelinek <jakub@redhat.com>
9393
9394 PR optimization/5172, optimization/5200
9395 * gcse.c (gcse_main): Disable store_motion.
9396
9397 2002-05-14 Zack Weinberg <zack@codesourcery.com>
9398
9399 * c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
9400 (c_common_nodes_and_builtins): Use it.
9401 (builtin_define_with_value): New function.
9402 (cb_register_builtins): Define __SIZE_TYPE__,
9403 __PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
9404 using builtin_define_with_value. Use consistent notation when
9405 defining __GXX_WEAK__.
9406 (WCHAR_TYPE_SIZE): Don't redefine.
9407 (combine_strings): Don't use WCHAR_TYPE_SIZE.
9408
9409 * cppdefault.h: Don't provide defaults for SIZE_TYPE,
9410 PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
9411 * cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
9412 * tradcpp.c (initialize_builtins): Likewise.
9413 * gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.
9414
9415 * c-lex.h (builtin_define_with_value): Prototype.
9416 * system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
9417 NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
9418 * doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.
9419
9420 * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
9421 config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
9422 config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
9423 config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
9424 config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
9425 config/sparc/linux64.h, config/sparc/netbsd-elf.h,
9426 config/sparc/sol2-bi.h, config/sparc/sparc.h:
9427 Do not define NO_BUILTIN_SIZE_TYPE etc. Remove all references
9428 to __SIZE_TYPE__ etc from all spec strings. When this makes
9429 extra specs empty, delete them.
9430
9431 2002-05-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
9432
9433 * pa.c (override_options): Override TARGET_JUMP_IN_DELAY when scheduling
9434 for PA8000 or generating dwarf2 call frame information.
9435 (output_call): Remove DO_FRAME_NOTES check from return pointer
9436 optimization.
9437 (following_call): Return 0 when scheduling for PA8000 or generating
9438 dwarf2 call frame information. Revise comment.
9439
9440 2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk>
9441
9442 config/alpha:
9443 * alpha.h (TARGET_CPU_CPP_BUILTINS): Define __IEEE_FP
9444 and __IEEE_FP_INEXACT as appropriate.
9445 (CPLUSPLUS_CPP_SPEC): Don't define __cplusplus.
9446 (CPP_SPEC): Remove ieee defines.
9447 * freebsd.h, netbsd.h: Remove ieee defines and cpp_cpu.
9448
9449 2002-05-14 Richard Henderson <rth@redhat.com>
9450
9451 * config/i386/i386.c (ix86_save_reg): Make regno unsigned.
9452 (ix86_safe_length, ix86_safe_length_prefix, ix86_safe_memory): Kill.
9453
9454 2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk>
9455
9456 * arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define.
9457 (CPP_SPEC): Update.
9458 (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC,
9459 CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC, CPP_ENDIAN_SPEC,
9460 CPP_ENDIAN_DEFAULT_SPEC, CPP_INTERWORK_DEFAULT_SPEC,
9461 CPP_INTERWORK_SPEC, CPP_PREDEFINES): Remove.
9462 (EXTRA_SPECS): Update.
9463 * arm/conix-elf.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
9464 arm/riscix1-1.h, arm/rtems-elf.h, arm/semiaof.h, arm/unknown-elf.h,
9465 arm/unknown-elf-oabi.h, arm/vxarm.h: Remove CPP_PREDEFINES and
9466 define TARGET_OS_CPP_BUILTINS if necessary.
9467
9468 2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk>
9469
9470 * gcc.c (cpp_options): Must pass -m* and -f* options
9471 to the front end even when only preprocessing.
9472 (cc1_options): Remove redundant -lang-c.
9473 * tradcpp.c (main): Ignore -m options.
9474 objc:
9475 * lang-specs.h: Similarly.
9476
9477 2002-05-14 Vladimir Makarov <vmakarov@redhat.com>
9478
9479 * genautomata.c (transform_3): Add code for transformation
9480 `(A,B,...)+C -> A+C,B,...'.
9481
9482 Tue May 14 12:48:22 CEST 2002 Jan Hubicka <jh@suse.cz>
9483
9484 * final.c (end_final): Do not output profile_arcs constructor, when
9485 no functions are instrumented.
9486
9487 Tue May 14 12:38:30 CEST 2002 Jan Hubicka <jh@suse.cz>
9488
9489 * i386.md (testsi to testqi_zext_1 splitter): Fix typo.
9490
9491 2002-05-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9492
9493 * doc/install.texi: Remove special markup originally required for
9494 HTML generation with texi2html.
9495
9496 2002-05-14 Andreas Schwab <schwab@suse.de>
9497
9498 * config/ia64/sysv4.h (DO_SELECT_SECTION): Factored out of
9499 SELECT_SECTION.
9500 (UNIQUE_SECTION): Define to get small data correctly.
9501
9502 * varasm.c (resolve_unique_section): Add third parameter
9503 flag_function_or_data_sections and use it instead of
9504 flag_function_sections.
9505 (assemble_start_function): Pass flag_function_sections.
9506 (asm_emit_uninitialised): Pass flag_data_sections.
9507 (assemble_variable): Likewise.
9508
9509 2002-05-14 Richard Henderson <rth@redhat.com>
9510
9511 * config/i386/i386.md: Use define_constants for unspec numbers.
9512 * config/i386/i386.c: Likewise.
9513
9514 2002-05-13 Neil Booth <neil@daikokuya.demon.co.uk>
9515
9516 * doc/contrib.texi: Update my entry.
9517
9518 2002-05-13 Mark Mitchell <mark@codesourcery.com>
9519
9520 * fixinc/inclhack.def (winidss_valist): Limit applicability.
9521 * fixinc/fixincl.x: Regenerated.
9522 * fixinc/tests/base/math.h: Update.
9523 * fixinc/tests/base/testing.h: Likewise.
9524
9525 2002-05-13 Zack Weinberg <zack@codesourcery.com>
9526
9527 * genattr.c (gen_attr): Don't emit a comma after the last
9528 enumerator.
9529
9530 2002-05-13 Richard Henderson <rth@redhat.com>
9531
9532 * cfgrtl.c (purge_dead_edges): Handle abnormal call edges created
9533 by non-local gotos.
9534 * recog.c (peephole2_optimize): Likewise.
9535
9536 2002-05-13 Andris Pavenis <pavenis@lanet.lv>
9537
9538 * cppfiles.c (open_file): Change mode (DJGPP only) of redirected
9539 input to O_BINARY.
9540
9541 2002-05-13 Jeffrey A Law (law@redhat.com)
9542
9543 * flow.c (invalidate_mems_from_autoinc): Rewrite to use for_each_rtx.
9544 Update prototype and callers.
9545 (propagate_one_insn): Stack pointer adjustments kill MEMs on
9546 the mem_set_list which reference the stack pointer, as do
9547 calls to constant functions as they may clobber outgoing
9548 argument space.
9549
9550 * i386.c (ia32_multipass_dfa_lookahead): Prototype.
9551
9552 * i386.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.
9553 (ia32_multipass_dfa_lookahead): New function.
9554
9555 2002-05-13 Neil Booth <neil@daikokuya.demon.co.uk>
9556
9557 * gcc.c (SWITCH_TAKES_ARG): Remove 'V'.
9558 (translate_options): Remove 'V'.
9559 (process_command): Similarly.
9560 doc:
9561 * invoke.texi: Remove documentation of 'V'.
9562
9563 2002-05-13 Ulrich Weigand <uweigand@de.ibm.com>
9564
9565 * config/s390/linux.h: Revert 2002-04-22 changes.
9566
9567 2002-05-13 Scott Marks <SMarks@mobile-mind.com>
9568
9569 * config/fr30/fr30.md: Only allow splits of immediate loads
9570 if the destination is a register.
9571
9572 2002-05-13 Neil Booth <neil@daikokuya.demon.co.uk>
9573
9574 * Makefile.in (c-common.o, cppinit.o): Update.
9575 * c-common.c: Include except.h.
9576 (cb_register_builtins): Handle __USING_SJLJ_EXCEPTIONS__.
9577 Call TARGET_CPU_CPP_BUILTINS and TARGET_OS_CPP_BUILTINS.
9578 * cppinit.c (__USING_SJLJ_EXCEPTIONS): Not here.
9579 * defaults.h (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS,
9580 CPP_PREDEFINES): Handle here.
9581 config:
9582 * alpha/alpha-interix.h, alpha/gnu.h, alpha/linux.h,
9583 alpha/netbsd.h, alpha/openbsd.h, alpha/osf.h, alpha/unicosmk.h,
9584 alpha/vms.h, alpha/vxworks.h: Remove CPP_PREDEFINES, define
9585 TARGET_OS_CPP_BUILTINS.
9586 * alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Define.
9587 (CPP_SPEC, EXTRA_SPECS): Update.
9588 (CPP_AM_BWX_SPEC, CPP_AM_MAX_SPEC, CPP_AM_FIX_SPEC,
9589 CPP_AM_CIX_SPEC, CPP_IM_EV4_SPEC, CPP_IM_EV5_SPEC,
9590 CPP_IM_EV6_SPEC, CPP_CPU_EV4_SPEC, CPP_CPU_EV5_SPEC,
9591 CPP_CPU_EV56_SPEC, CPP_CPU_PCA56_SPEC, CPP_CPU_EV6_SPEC,
9592 CPP_CPU_EV67_SPEC, CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Remove.
9593 doc:
9594 * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Remove.
9595 (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS): Define.
9596
9597 2002-05-12 Zack Weinberg <zack@codesourcery.com>
9598
9599 * emit-rtl.c (global_rtl): Update comment.
9600 (const_double_htab, const_double_htab_hash,
9601 const_double_htab_hash, lookup_const_double): New.
9602 (const_int_htab_hash, const_int_htab_eq): Remove const
9603 qualifiers, which cause tons of warnings with RTL checking on.
9604 (gen_rtx_CONST_DOUBLE): Deleted.
9605 (const_double_from_real_value): New function - bears some
9606 resemblance to the former immed_real_const_1.
9607 (immed_double_const): Moved here from varasm.c and
9608 simplified.
9609 (gen_rtx_REG): Make REGNO unsigned to squelch warnings.
9610 (gen_rtx_SUBREG): Use gen_rtx_raw_SUBREG.
9611 (gen_rtx): Use immed_double_const.
9612 (init_emit_once): Initialize the const_double_htab. Use
9613 REAL_VALUE_FROM_INT where possible. Can now use
9614 CONST_DOUBLE_FROM_REAL_VALUE when setting up const_tiny_rtx.
9615 * varasm.c (struct varasm_status): Remove x_const_double_chain.
9616 (const_double_chain, immed_real_const, clear_const_double_mem): Delete.
9617 (immed_double_const, immed_real_const_1): Moved to emit-rtl.c.
9618 (init_varasm_status, mark_varasm_status): Don't touch
9619 x_const_double_chain.
9620
9621 * output.h: Delete prototype for clear_const_double_mem.
9622 * real.h: Make REAL_VALUE_TYPE a macro again. Remove leading
9623 '0' slot from all CONST_DOUBLE_FORMAT definitions. Prototype
9624 const_double_from_real_value, not immed_real_const_1, and use
9625 it to define CONST_DOUBLE_FROM_REAL_VALUE. Define new macro
9626 CONST_DOUBLE_ATOF.
9627 * rtl.h (CONST_DOUBLE_CHAIN): Kill.
9628 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Adjust.
9629 (gen_rtx_CONST_DOUBLE, immed_real_const): Delete prototypes.
9630 (gen_rtx_REG): Second arg is unsigned.
9631
9632 * gengenrtl.c (special_rtx): Take out CONST_DOUBLE.
9633 (excluded_rtx): New, return true for CONST_DOUBLE.
9634 (genmacro): Write nothing for excluded codes.
9635 * combine.c (combine_simplify_rtx): Use CONST_DOUBLE_FROM_REAL_VALUE.
9636 * expr.c (expand_expr): Likewise.
9637 * ggc-common.c (ggc_mark_rtx_children_1): Don't mark the
9638 CONST_DOUBLE_CHAIN.
9639 * toplev.c (rest_of_compilation): Don't call
9640 clear_const_double_mem.
9641
9642 * config/rs6000/rs6000.c (rs6000_float_const): Delete.
9643 (rs6000_hash_constant): Remove CONST_DOUBLE special case.
9644 (toc_hash_eq): Remove CONST_DOUBLE and LABEL_REF special cases.
9645 * config/rs6000/rs6000-protos.h: Don't prototype rs6000_float_const.
9646 * config/c4x/c4x.md, config/rs6000/rs6000.md: Use CONST_DOUBLE_ATOF.
9647 * config/dsp16xx/dsp16xx.md, config/mips/mips.md,
9648 config/pa/pa.md: Use CONST_DOUBLE_FROM_REAL_VALUE.
9649 * config/sparc/sparc.md, config/sparc/sparc.c: Use immed_double_const.
9650
9651 2002-05-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9652
9653 * mips/iris6.h (CPLUSPLUS_CPP_SPEC): Define.
9654
9655 2002-05-12 Tom Tromey <tromey@redhat.com>
9656
9657 * tree.h (copy_node): Don't mention TREE_PERMANENT.
9658
9659 2002-05-12 Zack Weinberg <zack@codesourcery.com>
9660
9661 * gensupport.c (n_comma_elts): Moved here from genattrtab.c.
9662 (scan_comma_elt): New function. Accepts whitespace in comma lists.
9663 * gensupport.h: Prototype new routines.
9664 * genattr.c (gen_attr): Use scan_comma_elt. Avoid unnecessary
9665 use of printf.
9666 * genattrtab.c (n_comma_elts): Moved to gensupport.c.
9667 (next_comma_elt): Use scan_comma_elt.
9668
9669 * config/i386/i386.md: Use new attribute notation to break up
9670 long lines in define_attr forms.
9671
9672 2002-05-12 Richard Henderson <rth@redhat.com>
9673
9674 * expr.c (compress_float_constant): New.
9675 (emit_move_insn): Use it.
9676 (float_extend_from_mem): New.
9677 (init_expr_once): Initialize it.
9678 * real.c (exact_real_truncate): New.
9679
9680 * config/i386/i386.h (CONST_COSTS): Assume CONST_DOUBLE gets
9681 dropped into memory; penalize for size.
9682 (RTX_COSTS): FLOAT_EXTEND is free.
9683 * config/i386/i386.md (extendsfdf2, extendsfxf2, extendsftf2,
9684 extenddfxf2, extenddftf2): Accept constants and drop them to memory.
9685
9686 2002-05-12 Richard Henderson <rth@redhat.com>
9687
9688 * profile.h (profile_info): Add missing extern to declaration.
9689 * profile.c (profile_info): Define it.
9690
9691 2002-05-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
9692
9693 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Revise sets of general registers
9694 used for DImode and TImode.
9695
9696 2002-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
9697
9698 * cpplex.c (_cpp_lex_direct): When in a directive at EOF
9699 fake a newline.
9700
9701 2002-05-11 Zack Weinberg <zack@codesourcery.com>
9702
9703 * config/rs6000/rs6000.c (rs6000_default_long_calls,
9704 rs6000_longcall_switch, rs6000_set_default_type_attributes): New.
9705 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Set it.
9706 (rs6000_override_options): Handle -m(no-)longcall.
9707 (init_cumulative_args, output_mi_thunk): Check for both
9708 longcall and shortcall attributes on the function.
9709 (rs6000_attribute_table): Add "shortcall".
9710 (rs6000_handle_longcall_attribute): Update comment.
9711 (altivec_expand_unop_builtin, altivec_expand_binop_builtin,
9712 altivec_expand_ternop_builtin): Add default clauses to switches
9713 to silence warnings.
9714
9715 * config/rs6000/rs6000.h: Declare rs6000_longcall_switch and
9716 rs6000_default_long_calls. Define REGISTER_TARGET_PRAGMAS.
9717 (TARGET_OPTIONS): Add longcall and no-longcall.
9718
9719 * config/rs6000/rs6000.md (call_nonlocal_sysv,
9720 call_value_nonlocal_sysv): Split by alternatives. One pair
9721 accepts only SYMBOL_REFs and rejects if CALL_LONG is set in
9722 the call cookie. The other pair accepts only LR/CTR and has
9723 no restriction.
9724
9725 * config.gcc (rs6000-*-* | powerpc*-*-* trailer stanza):
9726 Set c_target_objs, cxx_target_objs; add t-rs6000-c-rule to
9727 tmake_file.
9728 * config/rs6000/rs6000-c.c: New file.
9729 * config/rs6000/t-rs6000-c-rule: New file.
9730 * config/rs6000/rs6000-protos.c: Add multiple-include guard.
9731 Prototype rs6000_pragma_longcall.
9732
9733 * doc/extend.texi: Document shortcall attribute.
9734 * doc/invoke.texi: Document -mlongcall, -mno-longcall.
9735
9736 2002-05-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
9737
9738 * reorg.c (dbr_schedule): Remove unnecessary test.
9739
9740 Sat May 11 14:34:35 CEST 2002 Jan Hubicka <jh@suse.cz>
9741
9742 * i386.md (testsi to testqi spliters): New.
9743
9744 2002-01-14 Josef Zlomek <zlomek@matfyz.cz>
9745
9746 cfg.c (dump_edge_info): added dumping of EDGE_CAN_FALLTHRU.
9747
9748 Wed Jan 9 2002 Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz>
9749
9750 * basic-block.h: New flag EDGE_CAN_FALLTHRU
9751 * cfganal.c (set_edge_can_fallthru_flag): New function; marks the edges
9752 that can be made fallthru.
9753
9754 Mon Nov 12 16:25:53 CET 2001 Jan Hubicka <jh@suse.cz>
9755
9756 * cfglayout.c (cleanup_unconditional_jumps): New static function.
9757 (cfg_layout_initialize): Use it.
9758
9759 2002-05-11 Marek Michalkiewicz <marekm@amelek.gda.pl>
9760
9761 * config/avr/avr.c (avr_mcu_types): Update supported devices.
9762 * config/avr/avr.h (CPP_SPEC, LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9763 * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9764
9765 2002-05-11 Kazu Hirata <kazu@cs.umass.edu>
9766
9767 * dbxout.c: Fix formatting.
9768 * dependence.c: Likewise.
9769 * df.c: Likewise.
9770 * diagnostic.c: Likewise.
9771 * doloop.c: Likewise.
9772 * dominance.c: Likewise.
9773 * doschk.c: Likewise.
9774 * dwarf2asm.c: Likewise.
9775 * dwarf2out.c: Likewise.
9776 * dwarfout.c: Likewise.
9777
9778 2002-05-10 Richard Henderson <rth@redhat.com>
9779
9780 * final.c (end_final): Tidy whitespace. Don't honor flag_pack_struct.
9781 Convert integers constants as needed. Replace "nwords" field with
9782 "sizeof_bb".
9783 (final): Save profile data if cfun->arc_profile, not profile_arc_flag.
9784 * function.h: Fix typo in comment.
9785 * libgcc2.c (struct bb): Replace "nwords" with "sizeof_bb".
9786
9787 2002-05-10 Roger Sayle <roger@eyesopen.com>
9788
9789 * fold-const.c (build_range_check): Optimize (c>=1) && (c<=127)
9790 into the equivalent (signed char)c > 0.
9791
9792 2002-05-10 Janis Johnson <janis187@us.ibm.com>
9793
9794 * loop.c: (PREFETCH_EXTREME_DIFFERENCE, PREFETCH_BEFORE_LOOP): New.
9795 (PREFETCH_CONDITIONAL): Renamed from PREFETCH_NOT_ALWAYS.
9796 (struct prefetch_info): Fix spelling of member bytes_accessed.
9797 (emit_prefetch_instructions): Make dump messages more regular;
9798 restructure code to add more dump messages; use new macros for
9799 heuristics. (There are no code generation changes in any of this).
9800
9801 2002-05-10 David S. Miller <davem@redhat.com>
9802
9803 * rtl.h (INSN_ANNULLED_BRANCH_P): Accept INSN too, update comment.
9804 (struct rtx_def): Update unchanging flag comment.
9805 * doc/rtl.texi (INSN_ANNULLED_BRANCH_P): Update description.
9806 * reorg.c (delete_from_delay_list): INSN_ANNULLED_BRANCH_P needs
9807 to be handled to INSN too.
9808 (dbr_schedule): Likewise.
9809 * resource.c (next_insn_no_annul): Likewise.
9810
9811 * cse.c (rtx_cost): Remove multiplication by power of 2 special
9812 casing.
9813
9814 2002-05-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9815
9816 * doc/install.texi (Specific, *-*-solaris2*): Update passus on
9817 setting CONFIG_SHELL to /bin/ksh and remove alternate trick to
9818 (possibly) work around broken /bin/sh.
9819
9820 2002-05-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9821
9822 * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Use mabi=64 and
9823 . as N64/N32 libgcc_s.so subdirs.
9824
9825 2002-05-10 David S. Miller <davem@redhat.com>
9826
9827 * config/sparc/sparc.md: Use define_constants for unspec numbers.
9828
9829 * rtl.h (struct rtx_def): Document unchanging and in_struct flags
9830 more accurately.
9831 (INSN_ANNULLED_BRANCH_P): Only valid for JUMP_INSN and CALL_INSN, fix
9832 comment.
9833 (INSN_FROM_TARGET_P): Valid also for CALL_INSN.
9834 * doc/rtl.texi: Document these macros more accurately.
9835 * recog.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P for
9836 JUMP_INSNs and CALL_INSNs.
9837 * resource.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P
9838 or INSN_FROM_TARGET_P if the code is appropriate.
9839
9840 2002-05-10 Marek Michalkiewicz <marekm@amelek.gda.pl>
9841
9842 * config/avr/avr.c (print_operand): Check that addr is a SYMBOL_REF
9843 before using SYMBOL_REF_FLAG (addr).
9844
9845 * config/avr/avr-protos.h (avr_io_address_p): Declare.
9846 * config/avr/avr.c (io_address_p): Rename to avr_io_address_p.
9847 Make non-static. Update all callers.
9848 * config/avr/avr.md (*cbi, *sbi, *sbix_branch, *sbix_branch_bit7):
9849 New insns to clear/set/test a single bit in I/O address space.
9850
9851 2002-05-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9852
9853 * rtl.h (ENABLE_RTL_FLAG_CHECKING): Also check for gcc >= 2.7.
9854
9855 2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk>
9856
9857 * Makefile.in: Update.
9858 * c-common.c (flag_iso, flag_undef, cb_register_builtins,
9859 builtin_define_std): New.
9860 (c_common_init): Register CPP builtins callback.
9861 * c-common.h (flag_iso, flag_undef): New.
9862 * c-decl.c (c_decode_option): Set flag_iso and flag_undef.
9863 * c-lex.c: Don't include target.h.
9864 (cb_register_builtins): Move to c-common.c.
9865 (init_c_lex): Don't register hook here.
9866 * c-lex.h (builtin_define, builtin_assert, builtin_define_std): New.
9867 (cpp_define, cpp_assert): Remove.
9868 * gcc.c (cc1_options): Pass -undef to front end.
9869 * target-def.h (TARGET_REGISTER_CPP_BUILTINS): Remove.
9870 (TARGET_INITIALIZER): Update.
9871 * target.h (struct cpp_reader): Don't predeclare.
9872 (struct gcc_target): Remove cpp builtin hook.
9873 * tree.c (default_register_cpp_builtins): Remove.
9874 doc:
9875 * tm.texi: Update.
9876
9877 2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk>
9878
9879 * cppexp.c (_cpp_expand_op_stack): Set op_limit.
9880
9881 2002-05-09 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9882
9883 * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Define.
9884 (SHLIB_LINK, SHLIB_INSTALL): Adjust.
9885
9886 2002-05-09 Jakub Jelinek <jakub@redhat.com>
9887
9888 * config/sparc/t-linux64 (SHLIB_MAPFILES): Set.
9889 * config/sparc/libgcc-sparc-glibc.ver: New file.
9890 * config/cris/t-linux (SHLIB_MAPFILES): Remove.
9891 * mklibgcc.in: Preprocess SHLIB_MAPFILES with ml flags.
9892
9893 2002-05-09 Jakub Jelinek <jakub@redhat.com>
9894
9895 PR target/6429
9896 * Makefile.in (libgcc.mk): Pass SHLIB_SLIBDIR_SUFFIXES to mklibgcc.
9897 * mklibgcc.in: If SHLIB_SLIBDIR_SUFFIXES is defined, put libgcc_s
9898 shared libraries into multilib dirs, with SONAME libgcc_s.so.1 for
9899 base multilibs.
9900 * config/t-slibgcc-elf-ver (SHLIB_LINK): Adjust for the above.
9901 * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
9902 * config/sparc/t-linux64 (SHLIB_SLIBDIR_SUFFIXES): Define.
9903 * config/sparc/t-sol2-64 (SHLIB_SLIBDIR_SUFFIXES): Define.
9904
9905 2002-05-09 Richard Henderson <rth@redhat.com>
9906
9907 * config/ia64/ia64.md: Use define_constants for unspec numbers.
9908 * config/ia64/ia64.c: Likewise.
9909
9910 2002-05-09 Richard Sandiford <rsandifo@redhat.com>
9911
9912 * config/mips/mips.c (mips_add_large_offset_to_sp): Remove FILE arg.
9913 (save_restore_insns): Likewise.
9914 (mips_expand_prologue, mips_expand_epilogue): Update callers.
9915 (highpart_shift_operator): Attach ATTRIBUTE_UNUSED to mode argument.
9916
9917 Thu May 9 11:50:09 2002 Jeffrey A Law (law@redhat.com)
9918
9919 * athlon.md, k6.md, pentium.md, ppro.md): New files.
9920 * i386.md: Move scheduling information into new files.
9921
9922 * i386.md (type attribute): Add "rotate" for rotate insns.
9923 (rotate insns): Set type to "rotate".
9924 (various attributes and function units): Treat rotate like shift.
9925 (pent_pair attribute): Only rotates by one bit position are
9926 pairable.
9927 (sbb insns): Explicitly set pent_pair attribute on a couple
9928 that were missing it.
9929
9930 Thu May 9 18:29:24 2002 J"orn Rennecke <joern.rennecke@superh.com>
9931
9932 * sh.c (sh_builtin_saveregs): If starting with an odd fp register,
9933 make sure that buffer starts on odd word address.
9934 (sh_va_arg): Skip odd fp registers when reading a double precision
9935 value.
9936
9937 2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk>
9938
9939 * tree.h (preserve_data, object_permanent_p, type_precision):
9940 Remove.
9941
9942 2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk>
9943
9944 * cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison.
9945 * cppmacro.c (paste_all_tokens): Bad pastes are a hard error.
9946 doc:
9947 * cpp.texi: Update for removal of obsolete features.
9948
9949 Thu May 9 07:46:18 2002 Jan Hubicka <jh@suse.cz>
9950 Jeffrey A Law (law@redhat.com)
9951
9952 * i386.c (ia32_use_dfa_pipeline_interface): New function. Use
9953 the DFA interface for Pentium processors.
9954 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): DEFINE.
9955 (attr_pent_pair, ix86_pent_find_pair): Remove.
9956 (ix86_sched_reorder_pentium): Remove.
9957 (ix86_sched_reorder): Remove reordering for Pentium.
9958 * i386.md (Pentium scheduling): Rewrite using DFA description.
9959
9960 Thu May 9 14:55:39 CEST 2002 Jan Hubicka <jh@suse.cz>
9961
9962 * cfganal.c (can_fallthru): Fix fast path.
9963 * cfgrtl.c (verify_flow_info): Avoid crash on conditionals
9964 with edges to the next block.
9965
9966 Thu May 9 14:52:45 CEST 2002 Jan Hubicka <jh@suse.cz>
9967 Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
9968
9969 * final.c (end_final): Use C trees to output data structures for profiling.
9970
9971 * Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h
9972 (profile.o): New dependency profile.h
9973 (final.o): New dependency profile.h
9974 * profile.h: New file. New global structure profile_info.
9975 * final.h (count_edges_instrumented_now): Declare.
9976 (current_function_cfg_checksum): Declare.
9977 (function_list): New structure.
9978 (functions_head, functions_tail): New static variables.
9979 (end_final): Emits more data, removed some -ax stuff.
9980 (final): Stores function names and chcksums.
9981 * gcov-io.h (__write_gcov_string): New function.
9982 (__read_gcov_string): New function.
9983 * gcov.c (read_profile): New function.
9984 (create_program_flow_graph): Uses read_profile instead of reading
9985 da_file.
9986 (read_files): Removed da_file checking, it's done by read_profile now.
9987 * libgcc2.c (bb_function_info): New structure.
9988 (bb): New field in structure, removed some -ax stuff.
9989 (__bb_exit_func): Changed structure of da_file.
9990 * profile.c (count_edges_instrumented_now): New global variable.
9991 (current_function_cfg_checksum): New global variable.
9992 (max_counter_in_program): New global variable.
9993 (get_exec_counts): New function.
9994 (compute_checksum): New function.
9995 (instrument_edges): Sets count_edges_instrumented_now.
9996 (compute_branch_probabilities): Uses get_exec_counts instead of
9997 reading da_file.
9998 (branch_prob): Calls compute_checksum and writes extra data to bbg_file.
9999 (init_branch_prob): Removed da_file checking, done in get_exec_counts
10000 now.
10001 (end_branch_prob): Removed da_file checking, done in get_exec_counts
10002 now.
10003 * gcov.texi: Updated information about gcov file format.
10004
10005 2002-05-09 Kazu Hirata <kazu@cs.umass.edu>
10006
10007 * sbitmap.c: Fix formatting.
10008 * scan.c: Likewise.
10009 * scan-decls.c: Likewise.
10010 * sched-deps.c: Likewise.
10011 * sched-ebb.c: Likewise.
10012 * sched-rgn.c: Likewise.
10013 * sched-vis.c: Likewise.
10014 * sdbout.c: Likewise.
10015 * sibcall.c: Likewise.
10016 * simplify-rtx.c: Likewise.
10017 * ssa.c: Likewise.
10018 * ssa-ccp.c: Likewise.
10019 * ssa-dce.c: Likewise.
10020 * stmt.c: Likewise.
10021 * stor-layout.c: Likewise.
10022 * stringpool.c: Likewise.
10023
10024 2002-05-09 David S. Miller <davem@redhat.com>
10025
10026 * config/sparc/sol2.h (ASM_CPU_SPEC): Handle -mcpu=v9.
10027
10028 2002-05-07 David S. Miller <davem@redhat.com>
10029
10030 * config/sparc/sparc.h (TARGET_BUGGY_QP_LIB): Define to zero.
10031 * config/sparc/sol2.h (TARGET_BUGGY_QP_LIB): Override to one.
10032 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If the Qp
10033 library implementation clobbers the output before the inputs
10034 are fully consumed, use stack temporary for the output.
10035
10036 2002-05-09 Jason Thorpe <thorpej@wasabisystems.com>
10037
10038 * config/netbsd.h (CPP_SPEC): Remove.
10039 * config/i386/netbsd-elf.h (CPP_SPEC): Define.
10040 * config/i386/netbsd.h (CPP_SPEC): Define.
10041 * config/ns32k/netbsd.h (CPP_SPEC): Define.
10042 * config/sparc/netbsd-elf.h (CPP_SPEC): Remove.
10043 * config/sparc/netbsd.h (CPP_SPEC): Define.
10044 * config/vax/netbsd.h (CPP_SPEC): Define.
10045
10046 2002-05-08 Kazu Hirata <kazu@cs.umass.edu>
10047
10048 * read-rtl.c: Fix formatting.
10049 * real.c: Likewise.
10050 * recog.c: Likewise.
10051 * regclass.c: Likewise.
10052 * regmove.c: Likewise.
10053 * reg-stack.c: Likewise.
10054 * reload1.c: Likewise.
10055 * reload.c: Likewise.
10056 * resource.c: Likewise.
10057 * rtlanal.c: Likewise.
10058 * rtl.c: Likewise.
10059 * rtl-error.c: Likewise.
10060
10061 2002-05-08 John David Anglin <dave@hiauly1.hia.nrc.ca>
10062
10063 * pa/pa-64.h (MAX_WCHAR_TYPE_SIZE): Delete.
10064 * pa/pa.h (MAX_WCHAR_TYPE_SIZE): Delete.
10065
10066 2002-05-08 Bernd Schmidt <bernds@redhat.com>
10067
10068 * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Tweak previous change to
10069 use __SSE2__ macro instead.
10070 * config/i386/xmmintrin.h: Likewise.
10071
10072 2002-05-08 Janis Johnson <janis187@us.ibm.com>
10073
10074 * rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name,
10075 and use it in all invocations of these macros. Clean up comments.
10076 * rtl.c (rtl_check_failed_flag): Add an argument for the name
10077 of the flag access macro whose check failed.
10078 * doc/rtl.texi (Flags): Document additional flag uses.
10079
10080 2002-05-08 Robert Spier <rspier@pobox.com>
10081 Neil Booth <neil@daikokuya.demon.co.uk>
10082
10083 PR preprocessor/6521
10084 * cppfiles.c (handle_missing_header): Don't do anything
10085 different for <> includes.
10086 doc:
10087 * cppopts.texi: Update documentation for -MG.
10088
10089 2002-05-08 Neil Booth <neil@daikokuya.demon.co.uk>
10090
10091 * cpplex.c (cpp_interpret_charconst): Truncate as well as
10092 sign-extend.
10093 doc:
10094 * cpp.texi: Clarify multichar charconst valuation.
10095
10096 2002-05-08 Mark Mitchell <mark@codesourcery.com>
10097
10098 * doc/invoke.texi: Document -mwindiss option.
10099
10100 2002-05-08 Jason Merrill <jason@redhat.com>
10101
10102 * dwarf2out.c (output_call_frame_info): Don't emit a CIE with no FDEs.
10103
10104 * dwarf2out.c (gen_type_die): Abort on broken recursion.
10105
10106 PR c++/6381
10107 * dwarf2out.c (rtl_for_decl_location): Only expand INTEGER_CST and
10108 REAL_CST.
10109
10110 2002-05-08 Nick Clifton <nickc@cambridge.redhat.com>
10111
10112 * config/arm/t-arm-elf (MULTILIB): Do not allow big-endian/
10113 little-endian multilibs to override arm/thumb multilibs.
10114 Do not build hardware floating point multilibs, nor apcs-26
10115 multilibs for the Thumb.
10116
10117 2002-05-08 Mark Mitchell <mark@codesourcery.com>
10118
10119 PR c/6569.
10120 * varasm.c (mark_weak): New function.
10121 (merge_weak): Use it. Do not call declare_weak.
10122 (declare_weak): Use merge_weak.
10123
10124 Wed May 8 13:12:11 CEST 2002 Jan Hubicka <jh@suse.cz>
10125
10126 * cse.c (dead_libcall_p): Update counts.
10127 (delete_trivially_dead_insns): Update call of dead_libcall_p.
10128
10129 Wed May 8 11:08:50 CEST 2002 Jan Hubicka <jh@suse.cz>
10130
10131 * cfglayout.c (function_tail_eff_head): Rename to ...
10132 (function_footer): ... this one.
10133 (unlink_insn_chain): New functions.
10134 (label_for_bb): Only call block_label and emit debug message.
10135 (record_effective_endpoints): Actually unlink the headers and footers.
10136 (fixup_reorder_cahin): Re-insert the unlinked sequences.
10137 (cfg_layout_duplicate_bb): Use duplicate_insn_chain.
10138 * cfglayout.h (struct reorder_block_def): New fields footer/header;
10139 remove eff_head/eff_end.
10140 * rtl.h (set_first_insn): Declare.
10141 * emit-rtl.c (set_first_insn): New function.
10142
10143 * cfglayout.c (fixup_reorder_chain): Dump duplicated
10144 (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
10145 cfg_layout_duplicate_bb): New global function.
10146 (duplicate_insn_chain): New static function.
10147 * cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
10148 cfg_layout_duplicate_bb): Declare.
10149 (struct reorder_block_def): Add "original" field.
10150 * emit-rtl.c (emit_copy_of_insn_after): New function.
10151 * rtl.h (emit_copy_of_insn_after): Declare.
10152
10153 * cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
10154 (fixup_reorder_chain): properly handle edges to exit block.
10155
10156 Wed May 8 11:10:31 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
10157 Jan Hubicka <jh@suse.cz>
10158
10159 * basic-block.h (note_prediction_to_br_prob): declare.
10160 * c-semantics.c: Inlucde predit.h
10161 (expand_stmt): predict GOTO_STMT as not taken.
10162 * cfgcleanup.c: (delete_unreachable_blocks): Make global.
10163 (cleanup_cfg): Do not free tail_recursion_list.
10164 * cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
10165 (flow_delete_block): Kill predictions past end of basic block.
10166 * output.h (delete_unreachable_blocks): Declare.
10167 * predict.c (predicted_by_p, process_note_predictions,
10168 process_note_prediction, last_block_p): New function.
10169 (estimate_probability): Bypass loop on PRED_CONTINUE;
10170 do not handle noreturn heuristics; kill PRED_RETURN; add
10171 PRED_EARLY_RETURN.
10172 * predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
10173 PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
10174 * predict.h (IS_TAKEN): New constant.
10175 * print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
10176 * rtl.c (NOTE_INSN_PREDICTION): New.
10177 * rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
10178 New macro.
10179 (insn_note): add NOTE_INSN_PREDICTION.
10180 * sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
10181 CFG; free tail_recursion_label_list.
10182 * stmt.c: Include predict.h;
10183 (return_prediction): New.
10184 (expand_value_return): Use it.
10185 * toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.
10186
10187 2002-05-08 Richard Sandiford <rsandifo@redhat.com>
10188
10189 * config/mips/mips.md: Name the unspecs with define_constant.
10190 (*HILO_delay): Rename to 'hilo_delay' (no star).
10191 (reload_indi): Replace gen_rtx_UNSPEC with gen_hilo_delay.
10192 (reload_outdi, reload_outsi): Likewise.
10193
10194 2002-05-07 Kazu Hirata <kazu@cs.umass.edu>
10195
10196 * toplev.c: Fix formatting.
10197
10198 2002-05-07 Janis Johnson <janis187@us.ibm.com>
10199
10200 * config.in (ENABLE_RTL_FLAG_CHECKING): New.
10201 * configure.in (ac_rtlflag_checking): New.
10202 * doc/install.texi (--enable-checking): Document RTL flag checking.
10203
10204 2002-05-07 Neil Booth <neil@daikokuya.demon.co.uk>
10205
10206 * c-common.c (c_common_init): Set options->unsigned_wchar.
10207 * cppinit.c (cpp_create_reader): Default unsigned_wchar,
10208 group target dependencies.
10209 (init_builtins, cpp_handle_option): Update.
10210 * cpplex.c (cpp_interpret_charconst): Update.
10211 * cpplib.h (struct cpp_options): Add unsigned_wchar, rename
10212 signed_char to unsigned_char, group target dependencies.
10213 * defaults.h (WCHAR_UNSIGNED): Remove.
10214 * system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison.
10215 config:
10216 * freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h,
10217 i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h,
10218 i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h,
10219 i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h,
10220 sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED.
10221 doc:
10222 * tm.texi: Remove MAX_CHAR_TYPE_SIZE.
10223
10224 2002-05-07 Mark Mitchell <mark@codesourcery.com>
10225
10226 * fixinc/inclhack.def (windiss_math1): New fix.
10227 (windiss_math2): Likewise.
10228 (windiss_valist): Likewise.
10229 * fixinc/fixincl.x: Regenerated.
10230
10231 2002-05-07 Andreas Jaeger <aj@suse.de>
10232
10233 * genautomata.c (output_internal_min_issue_delay_func): Add
10234 ATTRIBUTE_UNUSED to avoid warning with empty dfa.
10235 (output_internal_trans_func): Likewise.
10236
10237 Tue May 7 10:06:22 2002 Jeffrey A Law (law@redhat.com)
10238
10239 * pa.c (hppa_profile_hook): Use force_reg to get the address
10240 of the profile hook into an appropriate pseudo register.
10241
10242 2002-05-07 Mark Mitchell <mark@codesourcery.com>
10243
10244 * config/rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -mwindiss.
10245 (LINK_START_SPEC): Handle it.
10246 (LINK_OS_SPEC): Likewise.
10247 (CPP_SPEC): Likewise.
10248 (STARTFILE_SPEC): Likewise.
10249 (LIB_SPEC): Likewise.
10250 (ENDFILE_SPEC): Likewise. Do not assume crtsavres.o is used on
10251 all platforms.
10252 (CRTSAVRES_DEFAULT_SPEC): New macro.
10253 (LIB_WINDISS_SPEC): New macro.
10254 (CPP_OS_WINDISS_SPEC): Likewise.
10255 (STARTFILE_WINDISS_SPEC): Likewise.
10256 (ENDFILE_WINDISS_SPEC): Likewise.
10257 (LINK_START_WINDISS_SPEC): Likewise.
10258 (LINK_OS_WINDISS_SPEC): Likewise.
10259 * config/rs6000/windiss.h: New file.
10260
10261 2002-05-07 Aldy Hernandez <aldyh@redhat.com>
10262
10263 * config/rs6000/rs6000.c (bdesc_2arg): Fix vmax typos.
10264
10265 2002-05-06 David S. Miller <davem@redhat.com>
10266
10267 * config/sparc/sparc.md (shift insns): Do not mask off
10268 second operand, 'I' constraint and SHIFT_COUNT_TRUNCATED
10269 take care of it.
10270
10271 2002-05-06 Richard Henderson <rth@redhat.com>
10272
10273 PR c++/6212
10274 * expr.c (highest_pow2_factor_for_type): New.
10275 (expand_assignment): Use it.
10276
10277 2002-05-06 Aldy Hernandez <aldyh@redhat.com>
10278
10279 * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to
10280 unspec_volatile.
10281 ("altivec_mfvscr"): Same.
10282
10283 2002-05-06 Janis Johnson <janis187@us.ibm.com>
10284
10285 * rtl.h (struct rtx_def): Update comments.
10286 (RTL_FLAG_CHECK[12345678]): New. (rtl_check_failed_flag): Declare.
10287 (RTL_FLAG): New. (CLEAR_RTX_FLAGS): New. (flag access macros): Use
10288 RTL_FLAG_CHECK macros with list of expected RTL codes.
10289 * rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro.
10290 (rtl_check_failed_flag): New.
10291 * reload1.c (reload): Use REG macro before changing rtx to MEM.
10292 (reload_cse_noop_set_p): Check rtx code before using access macro.
10293 * config/ia64/ia64.c (process_for_unwind_directive): Check rtx code
10294 before using access macro.
10295
10296 2002-05-06 Janis Johnson <janis187@us.ibm.com>
10297
10298 * doc/rtl.texi (Flags): Update to reflect current usage.
10299
10300 2002-05-06 Roger Sayle <roger@eyesopen.com>
10301
10302 PR opt/3995
10303 * fold-const.c (sign_bit_p): New function.
10304 (fold) [EQ_EXPR]: Use this to convert (A & C) == 0 into A >= 0 and
10305 (A & C) != 0 into A < 0, when constant C is the sign bit of A's type.
10306 Reapply fold when converting (A & C) == C into (A & C) != 0.
10307 (fold_binary_op_with_conditional_arg): Fix typo in comment.
10308
10309 2002-05-07 Neil Booth <neil@daikokuya.demon.co.uk>
10310
10311 * c-common.c (warn_multichar): New.
10312 (c_common_init): Set CPP's warn_multichar.
10313 * c-common.h (warn_multichar): New.
10314 * c-decl.c (warn_multichar): Remove.
10315 * c-lex.c (lex_charconst): Update.
10316 * c-tree.h (warn_multichar): Remove.
10317 * cppexp.c (eval_token): Sign-extend charconst value.
10318 * cppinit.c (cpp_create_reader): Set warn_multichar.
10319 * cpplex.c (cpp_interpret_charconst): Don't sign-extend
10320 each character. Update prototype. Sign-extend the result.
10321 * cpplib.h: Fix conditions.
10322 (struct cpp_options): Add new warning flag.
10323 (cpp_interpret_charconst): Update prototype.
10324 doc:
10325 * cpp.texi: Update documentation.
10326
10327 2002-05-06 Vladimir Makarov <vmakarov@redhat.com>
10328
10329 * genautomata.c (form_the_same_automaton_unit_lists_from_regexp):
10330 Fix typo in usage of allof instead of unit.
10331
10332 2002-05-06 Richard Henderson <rth@redhat.com>
10333
10334 * recog.c (if_test_bypass_p): Accept multiple set insns for OUT,
10335 and any jump or call for IN.
10336
10337 2002-05-06 Bernd Schmidt <bernds@redhat.com>
10338
10339 * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Define __SSE2_BUILTINS__ if
10340 -msse2.
10341 * config/i386/xmmintrin.h: Use it to conditionalize SSE2 support.
10342
10343 2002-05-06 Roger Sayle <roger@eyesopen.com>
10344
10345 * fold-const.c (lshift-double): Cast the high word to an unsigned
10346 HOST_WIDE_INT when extracting sign bit to avoid compiler warning.
10347 (div_and_round_double): Cast carry to a signed HOST_WIDE_INT to
10348 avoid compiler warning. (fold): Remove redundant code from
10349 BIT_AND_EXPR as integer operands are canonicalized to be arg1.
10350
10351 2002-05-06 Jeff Law <law@redhat.com>
10352
10353 * pa-protos.h (hppa_fpstore_bypass_p): Declare.
10354 * pa.c (pa_adjust_cost): Remove all true dependency cost
10355 adjustments. Also remove support for non-DFA scheduling.
10356 * pa.md (700, 7100, 7100lc, 7200, 7300): Use bypass mechanism
10357 to adjust true dependency costs. Update various comments.
10358 (7100lc, 7200, 7300 scheduling): Simplify by combining the
10359 FP ALU & MPY units into a single unit.
10360
10361 2002-05-06 Catherine Moore <clm@redhat.com>
10362
10363 * config/v850/v850.c (compute_register_save_size): Make sure
10364 to count all of the registers that will be saved.
10365
10366 Mon May 6 18:03:11 CEST 2002 Jan Hubicka <jh@suse.cz>
10367
10368 * i386.c (q_regs_operand): Use ANY_QI_REGS_P.
10369
10370 2002-05-06 David S. Miller <davem@redhat.com>
10371
10372 * config/sparc/sparc.c (emit_soft_tfmode_libcall): Do not
10373 allow result to overlap input operands in memory.
10374
10375 2002-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
10376
10377 doc:
10378 * cpp.texi: Update multichar charconst docs.
10379
10380 2002-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
10381
10382 * cpplex.c (cpp_interpret_charconst): Sign-extend each
10383 character. Don't ignore excess characters. Treat
10384 multicharacter character constants as signed.
10385 (cpp_parse_escape): Clarify diagnostic.
10386
10387 2002-05-05 Jakub Jelinek <jakub@redhat.com>
10388
10389 * config/sparc/sparc.md (ashlsi3): If shift count is const1_rtx,
10390 use add instead of shift.
10391 (ashldi3_sp64): Likewise.
10392 (ashlsi3_const1, ashldi3_const1): Remove.
10393 * config/sparc/sparc.h (PREDICATE_CODES): Add const1_operand.
10394 * config/sparc/sparc.c (const1_operand): New.
10395
10396 2002-05-05 Jason Thorpe <thorpej@wasabisystems.com>
10397
10398 * config.gcc (alpha*-*-netbsd*): Don't use crtstuff.
10399
10400 2002-05-05 Jakub Jelinek <jakub@redhat.com>
10401
10402 PR target/6561
10403 * config/sparc/sparc.md (muldi3_v8plus): Handle %1 equal to %2.
10404
10405 2002-05-05 Richard Henderson <rth@redhat.com>
10406
10407 * config/alpha/alpha.c (alpha_adjust_cost): Remove everything but
10408 memory latency adjustments.
10409 (alpha_variable_issue): Remove.
10410 (alpha_use_dfa_pipeline_interface): New.
10411 (alpha_multipass_dfa_lookahead): New.
10412 * config/alpha/alpha.md: Remove define_function_unit scheduling;
10413 include new dfa scheduling.
10414 (attr type): Add none.
10415 (blockage): Use it.
10416 * config/alpha/ev4.md: New.
10417 * config/alpha/ev5.md: New.
10418 * config/alpha/ev6.md: New.
10419
10420 2002-05-05 David S. Miller <davem@redhat.com>
10421
10422 * recog.c (store_data_bypass_p): Handle CLOBBER inside PARALLEL.
10423
10424 2002-05-05 Kazu Hirata <kazu@cs.umass.edu>
10425
10426 * cse.c: Fix formatting.
10427 * emit-rtl.c: Likewise.
10428
10429 2002-05-05 Vladimir Makarov <vmakarov@redhat.com>
10430
10431 * genautomata.c (initiate_states): Add additional guard to
10432 initialize `units_array'.
10433
10434 2002-05-05 Vladimir Makarov <vmakarov@redhat.com>
10435
10436 * genautomata.c (form_the_same_automaton_unit_lists_from_regexp,
10437 process_unit_to_form_the_same_automaton_unit_lists,
10438 form_the_same_automaton_unit_lists
10439 check_unit_distributions_to_automata): New prototypes and
10440 functions.
10441 (check_automata): Rename it into `check_automata_insn_issues'.
10442 (unit_decl): New fields `the_same_automaton_unit' and
10443 `the_same_automaton_message_reported_p'.
10444 (unit_decl_t): New typedef.
10445 (the_same_automaton_lists): New gloval variable.
10446 (unit_regexp, unit_set_el, units_array, units_cmp,
10447 output_get_cpu_unit_code_func): Use the typedef.
10448 (evaluate_max_reserv_cycles): Increment
10449 `description->max_insn_reserv_cycles'.
10450 (initiate_states): Don't increment `max_cycles_num'.
10451 (transform_insn_regexps): Move code around transformation of
10452 regexps from `generate'.
10453 (generate): Remove call of `transform_insn_regexps'.
10454 (expand_automata): Call `transform_insn_regexps' and
10455 `check_unit_distributions_to_automata'. Check errors before
10456 `generate'.
10457
10458 * config/sparc/ultra3.md (us3_a0, us3_a1): Move the units into
10459 automaton `ultrasparc3_1'.
10460
10461 2002-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
10462
10463 * c-common.c (c_common_init): Set up CPP arithmetic.
10464 * cppinit.c (cpp_create_reader): Default CPP arithmetic to
10465 something reasonable for the host.
10466 (sanity_checks): Add checks.
10467 (cpp_read_main_file): Call sanity_checks() from here...
10468 (cpp_post_options): ... not here.
10469 * cpplex.c (cpp_interpret_charconst): Get max_chars right.
10470 * cpplib.h (struct cpp_options): New member int_precision.
10471
10472 2002-05-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10473
10474 * doc/install.texi (powerpc-*-linux-gnu*): Update build requirements.
10475
10476 2002-05-04 David S. Miller <davem@redhat.com>
10477
10478 * config/sparc/linux.h, config/sparc/linux64.h
10479 (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define twice.
10480
10481 * config/sparc/sparc.c (sparc_rtx_costs): Describe costs of
10482 more RTX codes.
10483 * config/sparc/sparc.h (RTX_COSTS_CASES): List those new codes.
10484
10485 * recog.c (store_data_bypass_p): Handle out_insn being a PARALLEL
10486 of SETs.
10487
10488 2002-05-05 Tim Josling <tej@melbpc.org.au>
10489
10490 * treelang; New directory for new sample language treelang.
10491
10492 2002-05-04 Neil Booth <neil@daikokuya.demon.co.uk>
10493
10494 * Makefile.in (c-lex.o): Update.
10495 * c-lex.c: Include target.h.
10496 (cb_register_builtins): New.
10497 (init_c_lex): Set builtins callback.
10498 * c-lex.h (cpp_define, cpp_assert): New prototypes.
10499 * cppinit.c (init_builtins): Use callback, including for
10500 GXX_WEAK.
10501 * cpplib.h (struct cpp_callbacks): New member.
10502 * target-def.h (TARGET_REGISTER_CPP_BUILTINS): New.
10503 (TARGET_INITIALIZER): Update.
10504 * target.h (struct gcc_target): New hook.
10505 * tree.c (default_register_cpp_builtins): New.
10506 * tree.h (default_register_cpp_builtins): New.
10507 doc:
10508 * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Document.
10509
10510 2002-05-04 Neil Booth <neil@daikokuya.demon.co.uk>
10511
10512 * cppinit.c (MAX_WCHAR_TYPE_SIZE): Move to cpplib.h
10513 (cpp_post_options): Move sanity checks to...
10514 (sanity_checks): New.
10515 * cpplex.c (maybe_read_ucs): Fix prototype.
10516 (parse_string, cpp_parse_escape): Cast for %c format specifier.
10517 * cpplib.h (cppchar_t): Use unsigned long or unsigned long long
10518 if necessary.
10519
10520 2002-05-04 Bernd Schmidt <bernds@redhat.com>
10521
10522 * config/i386/i386.c (bdesc_2arg): Add a couple of missing SSE2
10523 builtins. Use V2DI patterns instead of TI for logical operations.
10524 (ix86_init_mmx_sse_builtins): Add a couple of missing SSE2 builtins.
10525 Correct definitions of psadbw, pmovmskb128, movntdq, cvtdq2ps.
10526 (ix86_expand_builtins): Change the pattern used for movntdq.
10527 * config/i386/i386.md (sse2_andv2di3, sse2_iorv2di3, sse2_xorv2di3,
10528 sse2_nandv2di3): New patterns.
10529 (sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3): Correct modes
10530 on operands.
10531 (sse2_movntv2di): Renamed from sse2_movntti and modes adjusted.
10532 (cvtdq2pd): Correct mode on operand 1.
10533 (sse2_umulsidi3): Describe without unspec.
10534 (sse2_psadbw, mmx_psadbw): Describe with unspec; use more appropriate
10535 machine modes.
10536 (lshrv2di3): Renamed from sse2_lshrv2di3 and removed unspec.
10537 (ashlv2di3): Likewise, from sse2_ashlv2di3.
10538 (ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3,
10539 ashlv4si3, ashlv2di3): Use SImode for shift count.
10540 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti, lshrv2di3_ti,
10541 lshrv4si3_ti, lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti):
10542 New patterns.
10543 * config/i386/xmmintrin.h (__v2df, __v2di, __v4si, __v8hi, __v16qi):
10544 New typedefs.
10545 (__m128i, __m128d): New macros.
10546 (_mm_add_pd, _mm_add_sd, _mm_sub_pd, _mm_sub_sd, _mm_mul_pd,
10547 _mm_mul_sd, _mm_div_pd, _mm_div_sd, _mm_sqrt_pd, _mm_sqrt_sd,
10548 _mm_min_pd, _mm_min_sd, _mm_max_sd, _mm_max_pd, _mm_and_pd,
10549 _mm_andnot_pd, _mm_xor_pd, _mm_or_pd, _mm_cmpeq_pd, _mm_cmplt_pd,
10550 _mm_cmple_pd, _mm_cmpgt_pd, _mm_cmpge_pd, _mm_cmpneq_pd,
10551 _mm_cmpnlt_pd, _mm_cmpnle_pd, _mm_cmpngt_pd, _mm_cmpnge_pd,
10552 _mm_cmpord_pd, _mm_cmpunord_pd, _mm_cmpeq_sd, _mm_cmplt_sd,
10553 _mm_cmple_sd, _mm_cmpgt_sd, _mm_cmpge_sd, _mm_cmpneq_sd,
10554 _mm_cmpnlt_sd, _mm_cmpnle_sd, _mm_cmpngt_sd, _mm_cmpnge_sd,
10555 _mm_cmpord_sd, _mm_cmpunord_sd, _mm_comieq_sd, _mm_comilt_sd,
10556 _mm_comile_sd, _mm_comigt_sd, _mm_comige_sd, _mm_comineq_sd,
10557 _mm_ucomieq_sd, _mm_ucomieq_sd, _mm_ucomilt_sd, _mm_ucomile_sd,
10558 _mm_ucomigt_sd, _mm_ucomige_sd, _mm_ucomineq_sd, _mm_cvtepi32_pd,
10559 _mm_cvtepi32_ps, _mm_cvtpd_epi32, _mm_cvtpd_pi32, _mm_cvtpd_ps,
10560 _mm_cvttpd_epi32, _mm_cvttpd_pi32, _mm_cvtpi32_pd, _mm_cvtps_epi32,
10561 _mm_cvttps_epi32, _mm_cvtps_pd, _mm_cvtsd_si32, _mm_cvttsd_si32,
10562 _mm_cvtsd_ss, _mm_cvtsi32_sd, _mm_cvtss_sd, _mm_unpackhi_pd,
10563 _mm_unpacklo_pd, _mm_loadh_pd, _mm_storeh_pd, _mm_storel_pd,
10564 _mm_movemask_pd, _mm_packs_epi16, _mm_packs_epi32, _mm_packus_epi16,
10565 _mm_unpackhi_epi8, _mm_unpackhi_epi16, _mm_unpackhi_epi32,
10566 _mm_unpacklo_epi8, _mm_unpacklo_epi16, _mm_unpacklo_epi32,
10567 _mm_add_epi8, _mm_add_epi16, _mm_add_epi32, _mm_add_epi64,
10568 _mm_adds_epi8, _mm_adds_epi16, _mm_adds_epu8, _mm_adds_epu16,
10569 _mm_sub_epi8, _mm_sub_epi16, _mm_sub_epi32, _mm_sub_epi64,
10570 _mm_subs_epi8, _mm_subs_epi16, _mm_subs_epu8, _mm_subs_epu16,
10571 _mm_madd_epi16, _mm_mulhi_epi16, _mm_mullo_epi16, _mm_mul_pu16,
10572 _mm_mul_epu16, _mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64,
10573 _mm_sra_epi16, _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32,
10574 _mm_srl_epi64, _mm_slli_epi16, _mm_slli_epi32, _mm_slli_epi64,
10575 _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
10576 _mm_srli_epi64, _mm_and_si128, _mm_andnot_si128, _mm_or_si128,
10577 _mm_xor_si128, _mm_cmpeq_epi8, _mm_cmpeq_epi16, _mm_cmpeq_epi32,
10578 _mm_cmpgt_epi8, _mm_cmpgt_epi16, _mm_cmpgt_epi32, _mm_max_epi16,
10579 _mm_max_epu8, _mm_min_epi16, _mm_min_epu8, _mm_movemask_epi8,
10580 _mm_mulhi_epu16, _mm_maskmoveu_si128, _mm_avg_epu8, _mm_avg_epu16,
10581 _mm_sad_epu8, _mm_stream_si32, _mm_stream_si128, _mm_stream_pd,
10582 _mm_movpi64_epi64, _mm_clflush, _mm_lfence, _mm_mfence): New
10583 functions.
10584 (_mm_shufflehi_epi16, _mm_shufflelo_epi16, _mm_shuffle_epi32,
10585 _mm_extract_epi16, _mm_insert_epi16, _mm_shuffle_pd): New macros.
10586
10587 2002-05-04 Kazu Hirata <kazu@cs.umass.edu>
10588
10589 * dwarf2out.c: Fix formatting.
10590 * varasm.c: Likewise.
10591
10592 2002-05-04 David Edelsohn <edelsohn@gnu.org>
10593
10594 PR c/6543
10595 * config/rs6000/rs6000.md (sCC pattern and splitter): Remove
10596 clobber and use result as temporary value.
10597
10598 Sat May 4 13:20:54 CEST 2002 Jan Hubicka <jh@suse.cz>
10599
10600 * expr.c (force_operand): Use expand_simple_* to handle more
10601 cases.
10602
10603 2002-05-04 Neil Booth <neil@daikokuya.demon.co.uk>
10604
10605 * c-lex.c (lex_string): Let cpp_parse_escape handles truncation
10606 and sign-extension.
10607 (lex_charconst): Update for change in prototype of
10608 cpp_interpret_charconst. Extend from cppchar_t to HOST_WIDE_INT
10609 appropriately.
10610 * cpphash.h (BITS_PER_CPPCHAR_T): New.
10611 * cppinit.c (cpp_create_reader): Initialize them for no
10612 change in semantics.
10613 (cpp_post_options): Add sanity checks.
10614 * cpplex.c (cpp_parse_escape): Handle precision, sign-extension
10615 and truncation issues. Calculate in type cppchar_t.
10616 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Remove.
10617 (cpp_interpret_charconst): Calculate in type cppchar_t. Handle
10618 run-time dependent precision correctly. Return whether the
10619 result is signed or not.
10620 * cpplib.c (dequote_string): Use cppchar_t; update.
10621 * cpplib.h (cppchar_signed_t): New.
10622 struct cpp_options): New precision members.
10623 (cpp_interpret_charconst, cpp_parse_escape): Update prototypes.
10624 * cppexp.c (eval_token): Update.
10625
10626 2002-05-03 David S. Miller <davem@redhat.com>
10627
10628 * config/sparc/sparc-protos.h (sparc_rtx_costs): New.
10629 * config/sparc/sparc.c (sparc_rtx_costs): New function
10630 implementing RTX_COSTS and CONST_COSTS.
10631 * config/sparc/sparc.h (CONST_COSTS): Delete.
10632 (RTX_COSTS_CASES): Define.
10633 (RTX_COSTS): Expand RTX_COSTS_CASES and use sparc_rtx_costs to do
10634 the work.
10635
10636 * config/sparc/sparc.md (DFA schedulers): Split out...
10637 * config/sparc/cypress.md, config/sparc/hypersparc.md,
10638 config/sparc/sparclet.md, config/sparc/supersparc.md,
10639 config/sparc/ultra1_2.md, config/sparc/ultra3.md: ... into here.
10640
10641 * config/sparc/sparc.c (LEAF_REGISTERS): Do not do ifdef
10642 checks on it, always defined for Sparc.
10643
10644 * config/sparc/sparc.h (REG_ALLOC_ORDER, REG_LEAF_ALLOC_ORDER):
10645 Tweak, and add more detailed comments.
10646
10647 2002-05-03 Zack Weinberg <zack@codesourcery.com>
10648
10649 * Re-apply patch accidentally reverted with
10650 DFA scheduler merge: remove all rules and variables to slurp
10651 source files out of libiberty and rebuild them with HOST_CC.
10652 ($(HOST_PREFIX_1)varray.o): New rule.
10653 (genattrtab rule): Word wrap.
10654
10655 2002-05-03 Jason Thorpe <thorpej@wasabisystems.com>
10656
10657 * config/i386/netbsd64.h (CPP_LP64_SPEC): Define.
10658 (CPP_SUBTARGET_SPEC): Define.
10659 (SUBTARGET_EXTRA_SPECS): Redefine, adding cpp_lp64 and
10660 cpp_subtarget specs.
10661 (CPP_SPEC): Redefine to include %(cpp_subtarget).
10662
10663 2002-05-03 David S. Miller <davem@redhat.com>
10664
10665 * target-defs.h (TARGET_SCHED_CYCLE_DISPLAY): Delete.
10666 * target.h (struct gcc_target): Delete cycle_display member.
10667
10668 * config/ia64/ia64.c (ia64_emit_insn_before): Put it back.
10669 (rtx_needs_barrier): Delete reference to cycle_display unspec.
10670 (ia64_sched_reorder2): Mention need for cycle display handling
10671 once such notes exist.
10672
10673 2002-05-03 Richard Henderson <rth@redhat.com>
10674
10675 * real.c (etoasc): Strip most trailing zeros for clarity.
10676 * sched-vis.c: Include real.h.
10677 (print_value): Use REAL_VALUE_TO_DECIMAL as needed.
10678 * Makefile.in (sched-vis.o): Add real.h.
10679
10680 2002-05-03 David S. Miller <davem@redhat.com>
10681
10682 * haifa-sched.c (rank_for_schedule): Revert 2002-05-02 change,
10683 no longer needed.
10684
10685 2002-05-03 Aldy Hernandez <aldyh@redhat.com>
10686
10687 * config/rs6000/rs6000.c (altivec_expand_binop_builtin): Error out
10688 when we get an out of range literal.
10689 (altivec_expand_ternop_builtin): Same.
10690 (altivec_expand_unop_builtin): Same.
10691 (altivec_expand_builtin): Same, for dss.
10692 (altivec_expand_builtin): Use trees instead of rtl when
10693 determining literal argument validity.
10694
10695 2002-05-03 David S. Miller <davem@redhat.com>
10696
10697 Delete cycle display scheduling hook.
10698 * config/ia64/ia64.c (ia64_cycle_display,
10699 TARGET_SCHED_CYCLE_DISPLAY, ia64_emit_insn_before): Delete.
10700 (ia64_sched_reorder2): Don't check for CODE_FOR_cycle_display
10701 and use emit_insn_before instead of ia64_emit_insn_before.
10702 * config/ia64/ia64.md (unspec usage): Delete cycle display.
10703 (cycle_display): Delete insn pattern.
10704 * config/sparc/sparc.md (unspec usage): Delete cycle display.
10705 (cycle_display): Delete insn pattern.
10706 * config/sparc/sparc.c (sparc_cycle_display,
10707 TARGET_SCHED_CYCLE_DISPLAY): Delete.
10708 * doc/md.texi (cycle_display): Don't mention.
10709 * doc/tm.texi (TARGET_SCHED_CYCLE_DISPLAY): Likewise.
10710
10711 2002-05-03 Richard Henderson <rth@redhat.com>
10712
10713 * recog.c (store_data_bypass_p, if_test_bypass_p): New.
10714 * recog.h: Declare them.
10715
10716 * config/sparc/sparc.c (ultrasparc_store_bypass_p): Remove.
10717 * config/sparc/sparc.md: Use store_data_bypass_p instead.
10718 * config/sparc/sparc-protos.h: Update.
10719
10720 2002-05-03 Jason Thorpe <thorpej@wasabisystems.com>
10721
10722 * config/sparc/netbsd-elf.c (CPP_SUBTARGET_SPEC64): Remove
10723 -D__arch64__. Add -D_LP64.
10724 (CPP_ARCH32_SPEC): Redefine to match the non-bi-arch version
10725 from sparc.h.
10726 (CPP_ARCH64_SPEC): Likewise.
10727 (NO_BUILTIN_PTRDIFF_TYPE): Undef.
10728 (NO_BUILTIN_SIZE_TYPE): Undef.
10729
10730 2002-05-03 Vladimir Makarov <vmakarov@redhat.com>
10731
10732 * genautomata.c (min_issue_delay_pass_states): Change return type
10733 in the prototype.
10734 (min_issue_delay_pass_states): Change the algorithm.
10735 (min_issue_delay): Set up min_insn_issue_delay for the state.
10736 (output_min_issue_delay_table): Interchange the nested loops and
10737 and initiate min_insn_issue_delay for states.
10738
10739 Fri May 3 22:59:15 CEST 2002 Jan Hubicka <jh@suse.cz>
10740
10741 * cfgcleanup.c (try_optimize_cfg): Call merge_block only when
10742 jump is simplejump.
10743
10744 Fri May 3 22:53:37 CEST 2002 Jan Hubicka <jh@suse.cz>
10745
10746 * i386.c (expand_movstr, expand_clrstr): Fix inline-all-stringops
10747 sequence.
10748
10749 2002-05-03 Richard Henderson <rth@redhat.com>
10750
10751 PR opt/6534
10752 * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants,
10753 noce_try_store_flag_inc, noce_try_store_flag_mask, noce_try_cmove,
10754 noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Insert new
10755 code before JUMP, not EARLIEST.
10756
10757 2002-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
10758
10759 * c-format.c (check_format_info_main): Don't check for presence of
10760 parameter for * width until after operand number has been read,
10761 and only check for it if format parameters are available.
10762 Fixes PR c/6547.
10763
10764 2002-05-03 Jason Thorpe <thorpej@wasabisystems.com>
10765
10766 * config/alpha/netbsd.h (CPP_PREDEFINES): Add -D_LP64.
10767 (LINK_SPEC): Undef before defining.
10768
10769 2002-05-03 Jakub Jelinek <jakub@redhat.com>
10770
10771 PR preprocessor/6489
10772 * tradcpp.c (fixup_newlines): New.
10773 (main, finclude): Use it.
10774
10775 2002-05-03 Richard Sandiford <rsandifo@redhat.com>
10776
10777 * config/mips/elf64.h (UNIQUE_SECTION): Use mips_unique_section.
10778 * config/mips/mips.c (mips_unique_section): Strip encoding from
10779 decl name.
10780
10781 2002-05-03 Jakub Jelinek <jakub@redhat.com>
10782
10783 * config/i386/i386.c (ix86_expand_int_movcc): Truncate to proper
10784 mode.
10785
10786 2002-05-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10787
10788 * doc/install.texi (Installing): Mention GCC 3.1 buildstats.
10789 (Specific): Removed buildstats references.
10790 (Specific, hppa*-hp-hpux11): Adjust for GCC versions > 3.0.
10791 (Specific, sparc-sun-solaris2*): Update 64-bit hints for GCC 3.1.
10792 Accomodate Solaris versions beyond 8.
10793 (Specific, sparc-sun-solaris2.7): Update as path for GCC 3.1.
10794 (Specific, *-*-solaris2.8): Removed, obsolete.
10795
10796 2002-05-03 Jakub Jelinek <jakub@redhat.com>
10797
10798 PR target/6542
10799 * config/sparc/sparc.h (leaf_reg_remap): Remove const.
10800 (CONDITIONAL_REGISTER_USAGE): For TARGET_FLAT make
10801 fill leaf_reg_remap with identity.
10802 * config/sparc/sparc.c (leaf_reg_remap): Remove const.
10803
10804 2002-05-03 Kazu Hirata <kazu@cs.umass.edu>
10805
10806 * config/h8300/crti.asm: Remove trailing spaces.
10807 * config/h8300/h8300.c: Likewise.
10808 * config/h8300/lib1funcs.asm: Likewise.
10809
10810 2002-05-02 Jason Merrill <jason@redhat.com>
10811
10812 * defaults.h (BOOL_TYPE_SIZE): Move default here from cp/decl.c.
10813 * c-decl.c (c_init_decl_processing): Use it.
10814 * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Define to INT_TYPE_SIZE.
10815 * config/i960/i960.h (BOOL_TYPE_SIZE): Don't define.
10816 * config/mcore/mcore.h (BOOL_TYPE_SIZE): Don't define.
10817
10818 2002-05-03 Kazu Hirata <kazu@cs.umass.edu>
10819
10820 * regrename.c: Fix formatting.
10821 * tree.c: Likewise.
10822
10823 Fri May 3 13:34:43 CEST 2002 Jan Hubicka <jh@suse.cz>
10824
10825 * i386.md (attribute memory): Handle compares properly.
10826
10827 Fri May 3 10:51:38 CEST 2002 Jan Hubicka <jh@suse.cz>
10828
10829 * i386.md (sse_clrsf, sse_clrsi): Set memory attribute
10830 to none.
10831
10832 2002-05-02 Kazu Hirata <kazu@cs.umass.edu>
10833
10834 * function.c: Fix formatting.
10835
10836 2002-05-02 Jan Hubicka <jh@suse.cz>
10837
10838 * haifa-sched.c (schedule_insn): Print table of instructions and
10839 reservations.
10840 (sched_block): Do not print ready list at verbosity level 1.
10841 * sched-vis.c (print_insn): Make global.
10842 * sched-ebb.c (ebb_print_insn): Rename from...
10843 (print_insn): ... this one.
10844 * sched-int.h (print_insn): Declare
10845
10846 2002-05-02 Richard Henderson <rth@redhat.com>
10847
10848 * haifa-sched.c (rank_for_schedule): Skip past last_scheduled_insn
10849 emitted by cycle_display.
10850
10851 2002-05-02 Loren J. Rittle <ljrittle@acm.org>
10852
10853 * doc/install.texi (*-*-freebsd*): Update to latest status.
10854
10855 2002-05-02 Jakub Jelinek <jakub@redhat.com>
10856
10857 PR target/6540
10858 * config.gcc (sparc*-*-solaris2*): Set float_format to i128.
10859 * config/float-sparc.h: Assume 128-bit long double if
10860 __LONG_DOUBLE_128__ is defined.
10861
10862 2002-05-02 Vladimir Makarov <vmakarov@redhat.com>
10863
10864 * genattrtab.c (write_function_unit_info): Add a dummy element
10865 when num_units == 0.
10866
10867 2002-05-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10868
10869 * predict.c: (propagate_freq, estimate_bb_frequencies): Use
10870 TYPE_MODE (double_type_node) instead of DFmode.
10871
10872 Thu May 2 19:50:04 CEST 2002 Jan Hubicka <jh@suse.cz>
10873
10874 * cfgrtl.c (try_redirect_by_replacing_jump): Do not kill computed
10875 jumps post reload.
10876 * toplev.c (rest_of_compilation): Revert Richard's patch.
10877
10878 2001-05-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10879
10880 * pa/x-ada (ADA_CFLAGS): Rename to X_ADA_CFLAGS.
10881
10882 2002-05-02 Catherine Moore <clm@redhat.com>
10883
10884 * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Change r5 to r20.
10885
10886 2002-05-02 Kazu Hirata <kazu@hxi.com>
10887
10888 * combine.c: Fix comment typos.
10889 * expr.c: Likewise.
10890 * genautomata.c: Likewise.
10891 * stmt.c: Likewise.
10892 * tree.h: Likewise.
10893
10894 2002-05-02 Joseph S. Myers <jsm28@cam.ac.uk>
10895
10896 * doc/install.texi: State GNAT version requirements.
10897
10898 2002-05-02 Nick Clifton <nickc@cambridge.redhat.com>
10899
10900 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Accept any form
10901 of the frame pointer or arg pointer register which strict register
10902 checking is not enabled.
10903
10904 2002-05-02 Aldy Hernandez <aldyh@redhat.com>
10905
10906 * gcc.dg/altivec-8.c: New.
10907
10908 * config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow
10909 PRE_INC and PRE_DEC for altivec modes.
10910
10911 2002-05-01 Bruce Korb <bkorb@gnu.org>
10912
10913 * fixinc/check.tpl(set-writable): make sure the function exists first
10914 * fixinc/inclhack.def(alpha_assert): fix test_text
10915 * fixinc/tests/base/assert.h: add in missing result
10916
10917 2002-05-01 Jeff Law <law@redhat.com>
10918
10919 * pa.h (EXTRA_CONSTRAINT): Don't accept PIC addresses for the
10920 'T' constraint.
10921
10922 2002-05-01 Joel Brobecker <brobecker@gnat.com>
10923
10924 * dbxout.c (dbxout_type): Emit size information for range types,
10925 as well, but only when using GDB extensions.
10926
10927 2002-05-01 Richard Henderson <rth@redhat.com>
10928
10929 * configure.in (HAVE_GAS_HIDDEN): Replace SPARC feature test with
10930 target-independent gnu binutils date test.
10931
10932 2002-05-01 Richard Henderson <rth@redhat.com>
10933
10934 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Emit dump
10935 info before expunging the block.
10936
10937 2002-05-01 Jakub Jelinek <jakub@redhat.com>
10938
10939 * cppinit.c (cpp_handle_option) [-dM]: Don't set no_output here...
10940 (cpp_post_options): ...but here. Disable -dD, -dN and -dI when
10941 -M -or -MM is in effect.
10942
10943 2002-05-01 Zack Weinberg <zack@codesourcery.com>
10944
10945 * config.gcc: Correct test of --enable-obsolete. Obsolete all
10946 A29k configurations.
10947 * doc/install.texi: Update to match.
10948
10949 2002-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10950
10951 PR bootstrap/6514
10952 * varasm.c (globalize_decl): Compare DECL_ASSEMBLER_NAME to check
10953 for duplicates. Always loop over whole list.
10954
10955 Wed May 1 10:32:37 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10956
10957 * reload.c (find_reloads, case 'p'): Set BADOP to 0.
10958
10959 2002-05-01 Joel Sherrill <joel@OARcorp.com>
10960
10961 * config/sparc/t-elf (sparc-rtems, sparc-elf): Build assembly
10962 support routines.
10963
10964 2002-05-01 Joel Sherrill <joel@OARcorp.com>
10965
10966 * config/arm/rtems-elf.h: Add #undef TARGET_VERSION to prevent warning.
10967
10968 2002-05-01 David Edelsohn <edelsohn@gnu.org>
10969
10970 * rs6000.md (abssi2_nopower): Convert to define_insn_and_split.
10971 (nabs_nopower): Same.
10972 (floatdisf2): New pattern.
10973 (absdi2): Convert to define_insn_and_split.
10974 (nabsdi2): Same.
10975 (trunctfsf2): Same.
10976 (floatditf2): Same.
10977 (floatsitf2): Same.
10978 (fix_trunctfdi2): Same.
10979 (fix_trunctfsi2): Same.
10980
10981 2002-05-01 Joseph S. Myers <jsm28@cam.ac.uk>
10982
10983 * doc/install.texi: Update Texinfo version requirement
10984 documentation.
10985
10986 2002-05-01 Jakub Jelinek <jakub@redhat.com>
10987
10988 PR target/6512, PR target/5628
10989 * config/sparc/sparc.md (movdf_insn_v9only_novis): Don't allow >= %f32
10990 when memory is not aligned.
10991 (movdf_insn_v9only_vis): Likewise.
10992 * config/sparc/sparc.h (SECONDARY_INPUT_RELOAD_CLASS): Request a FP_REGS
10993 temporary for EXTRA_FP_REGS DFmode load from unaligned memory.
10994 (SECONDARY_OUTPUT_RELOAD_CLASS): Similarly.
10995
10996 2002-05-01 Aldy Hernandez <aldyh@redhat.com>
10997
10998 * gcc.dg/altivec-7.c: New.
10999
11000 * config/rs6000/altivec.h: Cleanup.
11001
11002 2002-04-30 Aldy Hernandez <aldyh@redhat.com>
11003
11004 * doc/invoke.texi (Option Summary): Add -mvrsave=.
11005 (RS/6000 and PowerPC Options): Document -mvrsave=.
11006
11007 * config/rs6000/rs6000.c (rs6000_altivec_vrsave): New global.
11008 (rs6000_altivec_vrsave_string): Same.
11009 (rs6000_override_options): Call rs6000_parse_vrsave_option.
11010 (rs6000_parse_vrsave_option): New.
11011 (rs6000_stack_info): Only generate vrsave instructions when
11012 TARGET_ALTIVEC_VRSAVE.
11013
11014 * config/rs6000/rs6000.h (TARGET_OPTIONS): Add -mvrsave= option.
11015 (rs6000_altivec_vrsave_string): Define extern.
11016 (rs6000_altivec_vrsave): Same.
11017 (TARGET_ALTIVEC_VRSAVE): New.
11018
11019 2002-04-30 Richard Henderson <rth@redhat.com>
11020
11021 PR opt/6516
11022 * toplev.c (rest_of_compilation): Don't run cross-jump before
11023 bb-reorder.
11024
11025 2002-04-30 Tom Rix <trix@redhat.com>
11026
11027 * regrename.c (build_def_use, copyprop_hardreg_forward_1): Sanity
11028 check which_alternative.
11029
11030 2002-04-30 Kazu Hirata <kazu@hxi.com>
11031
11032 * cpplex.c: Fix comment formatting.
11033 * function.c: Likewise.
11034 * integrate.c: Likewise.
11035 * regrename.c: Likewise.
11036 * sibcall.c: Likewise.
11037 * simplify-rtx.c: Likewise.
11038 * tree-inline.c: Likewise.
11039
11040 2002-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
11041
11042 * config.gcc (hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-rtems*,
11043 hppa1.0-*-osf*, hppa1.1-*-bsd*, hppa1.1-*-hpux10*, hppa2*-*-hpux10*,
11044 hppa1.0-*-hpux10*, hppa*64*-*-hpux11*, hppa1.1-*-hpux11*,
11045 hppa2*-*-hpux11*, hppa1.0-*-hpux11*, hppa*-*-lites*): Define xmake_file.
11046 * pa/t-linux, pa/t-pa, pa/t-pa64, t-pro (T_ADAFLAGS): Delete.
11047 * pa/x-ada: New file. Define ADA_CFLAGS.
11048
11049 2002-04-30 Hans-Peter Nilsson <hp@bitrange.com>
11050
11051 * config/mmix/mmix.h (MMIX_LAST_STACK_REGISTER_REGNUM): Renamed
11052 from MMIX_LAST_REGISTER_FILE_REGNUM.
11053 (NO_IMPLICIT_EXTERN_C): Remove cryptic obsolete comment.
11054 (struct machine_function): New member highest_saved_stack_register
11055 previously static variable in mmix.c.
11056 (MACHINE_DEPENDENT_REORG): Define.
11057 * config/mmix/mmix.c (highest_saved_stack_register): Deleted.
11058 (MMIX_OUTPUT_REGNO): New.
11059 (mmix_target_asm_function_prologue): Move calculation of last used
11060 saved-stack-register into...
11061 (mmix_machine_dependent_reorg): New function. Update to also handle
11062 !TARGET_ABI_GNU.
11063 (mmix_print_operand): Apply MMIX_OUTPUT_REGNO when emitting
11064 register names, simplify somewhat by new variable regno.
11065 <case 'p'>: Remove fixed FIXME. Always emit highest used saved
11066 register.
11067 (mmix_print_operand_address): Apply MMIX_OUTPUT_REGNO when
11068 emitting register names.
11069 (mmix_asm_output_reg_push, mmix_asm_output_reg_pop): Ditto.
11070 (mmix_dbx_register_number): Apply MMIX_OUTPUT_REGNO here too.
11071 Remove fixed FIXME.
11072 * config/mmix/mmix-protos.h (mmix_machine_dependent_reorg):
11073 Declare.
11074
11075 * config/mmix/mmix.md ("divmoddi4"): Update head comment.
11076
11077 2002-04-30 Richard Henderson <rth@redhat.com>
11078
11079 * config/sparc/sparc.c (emit_soft_tfmode_libcall,
11080 emit_soft_tfmode_binop, emit_soft_tfmode_unop, emit_soft_tfmode_cvt,
11081 emit_hard_tfmode_operation, emit_tfmode_binop, emit_tfmode_unop,
11082 emit_tfmode_cvt): New.
11083 * config/sparc/sparc.md (extendsftf2, extenddftf2, trunctfsf2,
11084 trunctfdf2, floatsitf2, floatunssitf2, floatditf2, floatunsditf2,
11085 fix_trunctfsi2, fixuns_trunctfsi2, fix_trunctfdi2, fixuns_trunctfdi2,
11086 addtf3, subtf3, multf3, divtf3, sqrttf2): Use them.
11087 * config/sparc/sparc-protos.h: Update.
11088
11089 2002-04-30 Janis Johnson <janis187@us.ibm.com>
11090
11091 * install.texi (Final install): Add to the list of info to include
11092 in a report of a successful bootstrap, and add link to 3.1 list.
11093
11094 Tue Apr 30 19:15:36 CEST 2002 Jan Hubicka <jh@suse.cz>
11095
11096 * i386.md (type): Add new SSE/MMX subtypes, remove usused fop1.
11097 (mode): Add vector modes
11098 (i387): Kill attribute.
11099 (unit): New attribute.
11100 (length_immediate): Grok new types.
11101 (prefix_data16, prefix_rep, prefix_0f): Fix for SSE/MMX.
11102 (modrm): Use "unit".
11103 (memory): Handle MMX/SSE properly.
11104 (scheduling descriptions): Kill uses of fop1.
11105 (sse, mmx, fp patterns): Set type and mode properly.
11106
11107 Tue Apr 30 09:31:59 2002 Jeffrey A Law (law@redhat.com)
11108
11109 * pa.c (override_options): Default to PA8000 scheduling.
11110 * doc/invoke.texi (HP-PA options): Mention newly added 7300
11111 scheduling parameter.
11112
11113 * pa.md (7100lc, 7200, 7300 scheduling): Slightly refine
11114 handling of double precision multiplies.
11115
11116 * pa.md (7100lc, 7200, 7300 scheduling): Refine handling of
11117 fpdiv and fpsqrt instructions.
11118 (7200 & 7300 scheduling): Fix typo in handling of
11119 store-load and store-store penalties.
11120
11121 2002-04-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11122
11123 * doc/contrib.texi (Contributors): Use MIPS instead of Mips and
11124 mips. Add two missing commas.
11125
11126 2002-04-30 Paolo Carlini <pcarlini@unitus.it>
11127
11128 * doc/contrib.texi (Contributors): Update Paolo Carlini's
11129 and Benjamin Kosnik's entries.
11130
11131 2002-04-29 David S. Miller <davem@redhat.com>
11132
11133 * config/sparc/sparc.h (BRANCH_COST, PREFETCH_BLOCK,
11134 SIMULTANEOUS_PREFETCHES): Tune for UltraSPARC-III.
11135 * config/sparc/sparc.md (call + jmp 32-bit peepholes): Likewise.
11136 * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
11137
11138 2002-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11139
11140 * combine.c (find_split_point): Use gen_int_mode.
11141
11142 2002-04-29 Vladimir Makarov <vmakarov@redhat.com>
11143
11144 Merging code from dfa-branch:
11145
11146 2002-04-24 Vladimir Makarov <vmakarov@redhat.com>
11147
11148 * genautomata.c (output_reserv_sets): Fix typo.
11149
11150 2002-04-23 Vladimir Makarov <vmakarov@redhat.com>
11151
11152 * genautomata.c (output_reserv_sets): Remove
11153 next_cycle_output_flag.
11154
11155 Thu Apr 18 08:57:06 2002 Jeffrey A Law (law@redhat.com)
11156
11157 * sched-rgn.c (init_ready_list): Make the DFA code handle
11158 USE/CLOBBER insns in the same way as the traditional
11159 scheduler.
11160 (new_ready): Similarly..
11161
11162 2002-04-17 Vladimir Makarov <vmakarov@redhat.com>
11163
11164 * haifa-sched.c (schedule_block): Change the DFA state only after
11165 issuing insn.
11166
11167 Wed Apr 17 15:38:36 2002 Jeffrey A Law (law@redhat.com)
11168
11169 * pa.c (hppa_use_dfa_pipeline_interface): New function.
11170 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define.
11171 (override_options): Add PA7300 scheduling support.
11172 (pa_adjust_cost): Update various comments. Properly
11173 handle anti and output dependencies when using the
11174 DFA scheduler.
11175 (pa_issue_rate): Add PA7300 scheduling support.
11176 (pa_can_combine_p): Call extract_insn before calling
11177 constrain_operands (taken from mainline tree).
11178 * pa.h (enum processor_type): Add PROCESSOR_PA7300.
11179 * pa.md (cpu attr): Add 7300. Rewrite pipeline
11180 descriptions using DFA descriptions. Add PA7300
11181 scheduling support.
11182
11183 2002-03-30 David S. Miller <davem@redhat.com>
11184
11185 Add UltraSPARC-III DFA scheduling support.
11186 * config/sparc/sparc.md (define_attr type): Add fpcrmove.
11187 Update FP conditional move on register insn patterns to use it, as
11188 appropriate.
11189 (define_attr cpu): Add ultrasparc3.
11190 (define_attr us3load_type): New, update integer load patterns to
11191 set it, as appropriate.
11192 (define_automaton): Add ultrasparc3_0 and ultrasparc3_1.
11193 (rest): Add UltraSPARC3 scheduling description.
11194 * config/sparc/sparc.h (TARGET_CPU_ultrasparc3): New.
11195 (PROCESSOR_ULTRASPARC3): New.
11196 ({ASM,CPP}_CPU64_DEFAULT_SPEC): Handle ultrasparc3.
11197 ({ASM,CPP}_CPU_SPEC): Likewise.
11198 (REGISTER_MOVE_COST): Likewise.
11199 (RTX_COSTS): Likewise.
11200 * config/sparc/sparc.c (sparc_override_options,
11201 sparc_initialize_trampoline, sparc64_initialize_trampoline,
11202 sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
11203 sparc_issue_rate): Likewise.
11204 * config/sparc/sol2.h: Likewise.
11205 * config/sparc/sol2-sld-64.h: Likewise.
11206 * config/sparc/linux64.h: Likewise.
11207
11208 2002-03-22 Vladimir Makarov <vmakarov@redhat.com>
11209
11210 * doc/md.texi: Add comments about usage the latency time for the
11211 different dependencies and about case when two or more conditions
11212 in different define_insn_reservations returns TRUE for an insn.
11213
11214 * doc/md.texi: Add reference for automaton based pipeline
11215 description.
11216
11217 2002-03-04 Vladimir Makarov <vmakarov@redhat.com>
11218
11219 * doc/passes.texi: Add missed information about genattrtab.
11220
11221 2002-03-01 Vladimir Makarov <vmakarov@redhat.com>
11222
11223 * genautomata.c (output_automata_list_transition_code): Check
11224 automata_list on NULL.
11225
11226 2002-02-28 Vladimir Makarov <vmakarov@redhat.com>
11227
11228 * genautomata.c (output_insn_code_cases,
11229 output_automata_list_min_issue_delay_code,
11230 output_automata_list_transition_code,
11231 output_automata_list_state_alts_code): Comment the functions.
11232
11233 2002-02-22 Vladimir Makarov <vmakarov@redhat.com>
11234
11235 * genautomata.c (automata_list_el_t): New typedef.
11236 (get_free_automata_list_el,free_automata_list_el,
11237 free_automata_list, automata_list_hash, automata_list_eq_p,
11238 initiate_automata_lists, automata_list_start, automata_list_add,
11239 automata_list_finish, finish_automata_lists,
11240 output_insn_code_cases, output_automata_list_min_issue_delay_code,
11241 output_automata_list_transition_code,
11242 output_automata_list_state_alts_code, add_automaton_state,
11243 form_important_insn_automata_lists): New functions and prototypes.
11244 (insn_reserv_decl): Add members important_automata_list and
11245 processed_p.
11246 (ainsn): Add members important_p.
11247 (automata_list_el): New structure.
11248 (first_free_automata_list_el, current_automata_list,
11249 automata_list_table): New global variables.
11250 (create_ainsns): Initiate member important_p.
11251 (output_internal_min_issue_delay_func): Generate the switch and
11252 call output_insn_code_cases.
11253 (output_internal_trans_func, output_internal_state_alts_func):
11254 Ditto.
11255 (generate): Call initiate_automata_lists.
11256 (automaton_states): New global variable.
11257 (expand_automata): Call form_important_insn_automata_lists.
11258 (write_automata): Call finish_automata_lists.
11259
11260 2002-02-21 Vladimir Makarov <vmakarov@redhat.com>
11261
11262 * genautomata.c (add_excls, add_presence_absence): Check that
11263 cpu units in the sets belong the same automaton.
11264
11265 * rtl.def (EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET): Add comment
11266 about that cpu units in the sets belong the same automaton.
11267
11268 * doc/md.texi: Ditto.
11269
11270 2001-12-20 Naveen Sharma <naveens@noida.hcltech.com>
11271 Nitin Gupta <niting@noida.hcltech.com>
11272
11273 * config/sh/sh.c (sh_use_dfa_interface): New function.
11274
11275 (sh_issue_rate): New Function.
11276 TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE: define.
11277 TARGET_SCHED_ISSUE_RATE: define.
11278
11279 * config/sh/sh.md: Add DFA based pipeline description for SH4.
11280
11281 (define_attr insn_class): New attribute used for DFA
11282 scheduling.
11283 (define_insn cmpgtsi_t): Set attribute insn_class mt_group.
11284 (cmpgesi_t,cmpgtusi_t,cmpgeusi_t,cmpeqsi_t,
11285 cmpeqdi_t): Likewise.
11286
11287 (add,addc1,addsi3,subc,subc1,*subsi3_internal,
11288 negc,negsi2,ashldi3_k,lshrdi3_k,ashrdi3_k): Set insn_class
11289 ex_group.
11290 (iorsi3,rotlsi3_1,rotlsi3_31,rotlsi3_16): Likewise.
11291
11292 2001-10-03 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
11293
11294 * haifa-sched.c (queue_to_ready): Remove unnecessary condition for
11295 break.
11296
11297 2001-10-03 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
11298
11299 * genautomata.c (DFA_INSN_CODES_LENGTH_VARIABLE_NAME): New macro.
11300 (output_dfa_insn_code_func): Expand dfa_insn_codes if it is
11301 necessary.
11302 (output_dfa_start_func): Initiate new variable insn_codes_length,
11303 (write_automata): Output definition of the new variable.
11304
11305 2001-10-02 David S. Miller <davem@redhat.com>
11306
11307 * haifa-sched.c (advance_one_cycle): New function.
11308 (schedule_block): Use it.
11309 (queue_to_ready): Use it, and also make sure to advance the DFA
11310 state on all stall cycles, not just those where insn_queue links
11311 are found.
11312
11313 2001-10-02 Richard Sandiford <rsandifo@redhat.com>
11314
11315 * haifa-sched.c (max_issue): Remove last_p argument. Only return
11316 non-zero if the highest-priority instruction could be scheduled.
11317 (choose_ready): Remove last argument from max_issue call.
11318
11319 2001-09-28 David S. Miller <davem@redhat.com>
11320
11321 * config/sparc/sparc.c (sparc_use_sched_lookahead): Use 4 for
11322 ultrasparc and 3 for other multi-issue sparcs.
11323
11324 2001-09-27 David S. Miller <davem@redhat.com>
11325
11326 * config/sparc/sparc.md (cycle_display): New pattern.
11327 * config/sparc/sparc.c (sparc_cycle_display): New.
11328 (TARGET_SCHED_CYCLE_DISPLAY): Set it.
11329
11330 2001-09-25 David S. Miller <davem@redhat.com>
11331
11332 Convert all of Sparc scheduling to DFA
11333 * config/sparc/sparc.md: Kill all define_function_unit
11334 directives and replace with DFA equivalent.
11335 * config/sparc/sparc.c (ultrasparc_adjust_cost,
11336 mark_ultrasparc_pipeline_state, ultra_cmove_results_ready_p,
11337 ultra_fpmode_conflict_exists, ultra_find_type,
11338 ultra_build_types_avail, ultra_flush_pipeline,
11339 ultra_rescan_pipeline_state, ultrasparc_sched_reorder,
11340 ultrasparc_variable_issue, ultrasparc_sched_init,
11341 sparc_variable_issue, sparc_sched_reorder, ultra_code_from_mask,
11342 ultra_schedule_insn, ultra_code_names, ultra_pipe_hist,
11343 ultra_cur_hist, ultra_cycles_elapsed): Kill.
11344 (sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
11345 ultrasparc_store_bypass_p): New.
11346 * config/sparc/sparc-protos.h (ultrasparc_store_bypass_p):
11347 Declare.
11348
11349 2001-09-24 David S. Miller <davem@redhat.com>
11350
11351 * haifa-sched.c (ready_remove): Fix thinko, we want to copy around
11352 ready->vec[foo] not ready[foo].
11353
11354 2001-09-07 Vladimir Makarov <vmakarov@redhat.com>
11355
11356 * doc/md.texi: Correct examples for define_insn_reservations
11357 `mult' and `div'.
11358
11359 2001-09-07 Vladimir Makarov <vmakarov@redhat.com>
11360
11361 * genautomata.c (create_automata): Print message about creation of
11362 each automaton.
11363 (generate): Remove printing meease about creation of
11364 automata.
11365
11366 2001-09-05 David S. Miller <davem@redhat.com>
11367
11368 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
11369 * config/sparc/linux64.h: Likewise.
11370
11371 2001-08-31 Vladimir Makarov <vmakarov@redhat.com>
11372
11373 * haifa-sched.c (insn_cost, schedule_insn, queue_to_ready,
11374 schedule_block, sched_init, sched_finish): Add missed calls of
11375 use_dfa_pipeline_interface.
11376
11377 * sched-rgn.c (init_ready_list, new_ready, debug_dependencies):
11378 Ditto.
11379
11380 * sched-vis.c (get_visual_tbl_length): Ditto.
11381
11382 2001-08-27 Richard Henderson <rth@redhat.com>
11383
11384 * genattr.c (main): Emit state_t even when not doing scheduling.
11385
11386 2001-08-27 Richard Henderson <rth@redhat.com>
11387
11388 * genautomata.c (expand_automata): Always create a description.
11389
11390 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
11391
11392 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
11393 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
11394 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
11395 RTL constructions.
11396
11397 * genattr.c (main): New variable num_insn_reservations. Increase
11398 it if there is DEFINE_INSN_RESERVATION. Output automaton based
11399 pipeline hazard recognizer interface.
11400
11401 * genattrtab.h: New file.
11402
11403 * genattrtab.c: Include genattrtab.h.
11404 (attr_printf, check_attr_test, make_internal_attr,
11405 make_numeric_value): Move protypes into genattrtab.h. Define them
11406 as external.
11407 (num_dfa_decls): New global variable.
11408 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
11409 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
11410 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
11411 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
11412
11413 * genautomata.c: New file.
11414
11415 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
11416
11417 * sched-int.h: (curr_state): Add the external definition for
11418 automaton pipeline interface.
11419 (haifa_insn_data): Add comments for members blockage and units.
11420
11421 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
11422 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
11423 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
11424 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
11425 TARGET_SCHED_DFA_POST_CYCLE_INSN,
11426 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
11427 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
11428 macros.
11429 (TARGET_SCHED): Use the new macros.
11430
11431 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
11432 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
11433 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
11434 dfa_bubble): New members in gcc_target.sched.
11435
11436 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
11437 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
11438 (insn_queue): Redefine it as pointer to array.
11439 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
11440 INSN_QUEUE_SIZE.
11441 (max_insn_queue_index_macro_value): New variable.
11442 (curr_state, dfa_state_size, ready_try): New varaibles for
11443 automaton interface.
11444 (ready_element, ready_remove, max_issue): New function prototypes
11445 for automaton interface.
11446 (choose_ready): New function prototype.
11447 (insn_unit, blockage_range): Add comments.
11448 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
11449 FUNCTION_UNITS_SIZE == 0.
11450 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
11451 actual_hazard, potential_hazard): Add comments.
11452 (insn_cost): Use cost -1 as undefined value. Remove
11453 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
11454 pipeline interface.
11455 (ready_element, ready_remove): New functions for automaton
11456 interface.
11457 (schedule_insn): Add new code for automaton pipeline interface.
11458 (queue_to_ready): Add new code for automaton pipeline interface.
11459 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
11460 (debug_ready_list): Print newline when the queue is empty.
11461 (max_issue): New function for automaton pipeline interface.
11462 (choose_ready): New function.
11463 (schedule_block): Add new code for automaton pipeline interface.
11464 Print ready list before scheduling each insn.
11465 (sched_init): Add new code for automaton pipeline interface.
11466 Initiate insn cost by -1.
11467 (sched_finish): Free the current automaton state and finalize
11468 automaton pipeline interface.
11469
11470 * sched-rgn.c: Include target.h.
11471 (init_ready_list, new_ready, debug_dependencies): Add new code for
11472 automaton pipeline interface.
11473
11474 * sched-vis.c: Include target.h.
11475 (get_visual_tbl_length): Add code for automaton interface.
11476 (target_units, print_block_visualization): Add comments.
11477
11478 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
11479 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
11480 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
11481 (getruntime.o, genautomata.o): New entries.
11482 (genattrtab.o): Add new dependency file genattrtab.h.
11483 (genattrtab): Add new dependencies. Link it with `libm.a'.
11484 (getruntime.o, hashtab.o): New entries for canadian cross.
11485
11486 * doc/md.texi: Description of automaton based model.
11487
11488 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
11489 Add comments.
11490 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
11491 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
11492 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
11493 TARGET_SCHED_DFA_POST_CYCLE_INSN,
11494 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
11495 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
11496 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
11497 hook descriptions.
11498 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
11499 MAX_DFA_ISSUE_RATE): New macro descriptions.
11500
11501 * doc/contrib.texi: Add dfa based scheduler contribution.
11502
11503 * doc/gcc.texi: Add more information about genattrtab.
11504
11505 Mon Apr 29 17:19:10 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11506
11507 * reload1.c (eliminate_regs, case SUBREG): Fix typo in
11508 adjust_address_nv call.
11509
11510 2002-04-29 Janis Johnson <janis187@us.ibm.com>
11511
11512 * doc/install.texi (Testing): Provide additional information, and
11513 a stronger encouragement, for running the testsuites.
11514
11515 2002-04-29 DJ Delorie <dj@redhat.com>
11516
11517 * config/mips/mips.c (mips_parse_cpu): Warn if the CPU name is
11518 given in upper case.
11519
11520 2002-04-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11521
11522 * fixinc/inclhack.def (solaris_widec): Include <wchar.h> in
11523 Solaris 2 <widec.h> if missing.
11524 * fixinc/fixincl.x: Regenerate.
11525 * fixinc/tests/base/widec.h: New file.
11526
11527 2002-04-29 Nick Clifton <nickc@cambridge.redhat.com>
11528
11529 * toplev.c (f_options): Add "profile" switch so that
11530 -fno-profile can be used to disable -p.
11531
11532 2002-04-29 Bernd Schmidt <bernds@redhat.com>
11533
11534 * c-common.c (type_for_mode): Add support for V2DFmode, V2DImode,
11535 UV2DImode.
11536 * tree.c (build_common_tree_nodes_2): Likewise.
11537 * tree.h (enum tree_index): Likewise.
11538 (V2DF_type_node, V2DI_type_node, unsigned_V2DI_type_node): Define.
11539
11540 * config/i386/i386.c (bdesc_comi, bdesc_2arg, bdesc_1arg): Add SSE2
11541 entries.
11542 (init_mmx_sse_builtins): Initialize SSE2 builtins.
11543 (ix86_expand_builtin): Add support for SSE2 builtins.
11544 * config/i386/i386.h (VALID_SSE2_REG_MODE): New macro.
11545 (VALID_SSE_REG_MODE): Use it.
11546 (VECTOR_MODE_SUPPORTED_P): Allow SSE2 modes here as well.
11547 (enum ix86_builtins): Add SSE2 builtins.
11548 * config/i386/i386.md (movv2df_internal, movv2df, movv8hi_internal,
11549 movv8hi, movv16qi_internal, movv16qi, pushv2df, pushv8hi, pushv16qi,
11550 addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3, vmmulv2df3,
11551 divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3, vmsminv2df3,
11552 sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3, sqrtv2df2,
11553 vmsqrtv2df2, maskcmpv2df3, maskncmpv2df3, vmmaskcmpv2df3,
11554 vmmaskncmpv2df3, sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb,
11555 sse2_maskmovdqu, sse2_movntv2df, sse2_movntti, sse2_movntsi, cvtdq2ps,
11556 cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq, cvtpd2pi,
11557 cvttpd2pi, cvtpi2pd, cvtsd2si, cvttsd2si, cvtsi2sd, cvtsd2ss,
11558 cvtss2sd, cvtpd2ps, cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3,
11559 ssaddv16qi3, ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3,
11560 subv4si3, subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3,
11561 mulv8hi3, smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11562 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_clrti, sse2_uavgv16qi3,
11563 sse2_uavgv8hi3, sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd,
11564 sse2_pshuflw, sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3,
11565 gtv8hi3, gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3,
11566 ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, sse2_lshrv2di3,
11567 ashlv8hi3, ashlv4si3, sse2_ashlv2di3, sse2_ashlti3, sse2_lshrti3,
11568 sse2_unpckhpd, sse2_unpcklpd, sse2_packsswb, sse2_packssdw,
11569 sse2_packuswb, sse2_punpckhbw, sse2_punpckhwd, sse2_punpckhdq,
11570 sse2_punpcklbw, sse2_punpcklwd, sse2_punpckldq, sse2_movapd,
11571 sse2_movupd, sse2_movdqa, sse2_movdqu, sse2_movdq2q, sse2_movq2dq,
11572 sse2_movhpd, sse2_movlpd, sse2_loadsd, sse2_movsd, sse2_storesd,
11573 sse2_shufpd, sse2_clflush, sse2_mfence, mfence_insn, sse2_lfence,
11574 lfence_insn): New patterns.
11575 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Renamed from
11576 sse_andti3_sse2, sse_nandti3_sse2, sse_iorti3_sse2, sse_xorti3_sse2.
11577
11578 Mon Apr 29 17:03:24 CEST 2002 Jan Hubicka <jh@suse.cz>
11579
11580 * i386.md (sse_mov?fcc*): Revert patch of Mar 14th.
11581
11582 2002-04-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11583
11584 * doc/contrib.texi (Contributors): Add Paolo Carlini and
11585 Janis Johnson.
11586 Update Richard Henderson, Jakub Jelinek, and Mark Mitchell.
11587 Refer to Objective-C instead of ObjC, SPARC instead of sparc,
11588 and CPU instead of cpu.
11589
11590 Mon Apr 29 13:36:41 CEST 2002 Jan Hubicka <jh@suse.cz>
11591
11592 * toplev.c (flag_if_conversion, flag_if_conversion2): New static
11593 variables.
11594 (lang_independent_options): Add -fif-conversion, -fif-conversion2
11595 (rest_of_compilation): Do if conversion only when asked for.
11596 (parse_options_and_default_flags): Set new variables to 1 for -O1
11597 * invoke.texi (-fif-conversion, -fif-conversion2): Document.
11598
11599 Mon Apr 29 13:02:50 CEST 2002 Jan Hubicka <jh@suse.cz>
11600
11601 * i386.c (dbx64_register_map): Fix typo.
11602
11603 Mon Apr 29 12:18:35 CEST 2002 Jan Hubicka <jh@suse.cz>
11604
11605 * predict.c (real_zero, real_one, real_almost_one, real_br_prob_base,
11606 real_one_half, real_bb_freq_max): New static variables.
11607 (debug_profile_bbauxs): Kill.
11608 (process_note_predictions): Kill unused variable.
11609 (block_info_def, edge_info_def): Use REAL_VALUE_TYPE instead of
11610 volatile double.
11611 (propagate_freq): Use REAL_ARITHMETICS.
11612 (estimate_bb_frequencies): Likevise; init new static variables.
11613 * Makefile.in (predict.o): Add dependency on real.h
11614
11615 2002-04-28 David S. Miller <davem@redhat.com>
11616
11617 PR target/6500
11618 * config/sparc/sparc.md (prefetch): Emit properly for 32-bit vs.
11619 64-bit TARGET_V9. Do not use prefetch page, use prefetch for
11620 several {reads,writes} instead.
11621 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
11622 Define.
11623
11624 2002-04-27 David S. Miller <davem@redhat.com>
11625
11626 PR target/6494
11627 * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Be mindful
11628 of the stack bias.
11629
11630 * config/sparc/linux.h, config/sparc/linux64.h: Don't bother
11631 including signal.h and sys/ucontext.h, not needed.
11632
11633 2002-04-29 Hans-Peter Nilsson <hp@bitrange.com>
11634
11635 * varasm.c (output_constant_def): Correct test for not calling
11636 ENCODE_SECTION_INFO for INTEGER_CST.
11637
11638 2002-04-29 Neil Booth <neil@daikokuya.demon.co.uk>
11639
11640 * cppexp.c (lex): Move some code to _cpp_parse_expr, but
11641 keep most cases as function eval_token.
11642 (eval_token): New function.
11643 (_cpp_parse_expr): Read token here for improved diagnostics.
11644 Don't use op_as_text. Detect bad ':' here.
11645 (reduce): Don't detect bad ':' here.
11646 (op_as_text): Remove.
11647 * cpphash.h (_cpp_test_assertion): Change prototype.
11648 * cpplib.c (_cpp_test_assertion): Change prototype.
11649
11650 2002-04-28 Richard Henderson <rth@redhat.com>
11651
11652 PR c/5154
11653 * ggc-common.c (ggc_mark_rtx_children_1): Rename from...
11654 (ggc_mark_rtx_children): New.
11655
11656 2002-04-28 Jakub Jelinek <jakub@redhat.com>
11657
11658 PR target/6496
11659 * config/sparc/sparc.md (call + jump 32-bit peepholes): Disable jump
11660 after call peepholes for UltraSPARC.
11661 (call + jump 64-bit peepholes): Remove.
11662
11663 2002-04-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11664
11665 PR c/6497
11666 * config/rs6000/rs6000.md (sCC patterns): Remove clobber and use
11667 result as temporary value.
11668
11669 2002-04-28 Jakub Jelinek <jakub@redhat.com>
11670
11671 PR c++/6396
11672 * toplev.c (rest_of_compilation): Only run regrename and copy
11673 propagation if optimizing.
11674
11675 2002-04-28 Jakub Jelinek <jakub@redhat.com>
11676
11677 PR optimization/6475
11678 * reload1.c (alter_reg): Only call set_mem_expr if I is home pseudo
11679 register of REGNO_DECL (i).
11680 * Makefile.in (reload1.o): Add $(TREE_H).
11681
11682 2002-04-28 Neil Booth <neil@daikokuya.demon.co.uk>
11683
11684 * cppexp.c (lex): Update to use state.skip_eval.
11685 (struct op): Remove prio and flags members.
11686 (FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS,
11687 SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove.
11688 (LEFT_ASSOC): New macro.
11689 (optab): New table of operator priorities and flags.
11690 (SHIFT): Update.
11691 (_cpp_parse_expr): Clean up logic. Return bool. Use a
11692 malloc-ed parser stack.
11693 (reduce): New; reduce the operator stack.
11694 (_cpp_expand_op_stack): Expand the operator stack as necessary.
11695 * cpphash.h (struct op): Predeclare.
11696 (struct cpp_reader): New members op_stack, op_limit.
11697 (struct lexer_state): New member skip_eval.
11698 (_cpp_parse_expr): Update.
11699 (_cpp_expand_op_stack): New.
11700 * cpplib.c (do_if): Update.
11701 * cppinit.c (cpp_create_reader): Create op stack.
11702 (cpp_destroy): And destroy it.
11703 * cpplib.h (CPP_LAST_CPP_OP): Correct.
11704 (TTYPE_TABLE): Correct.
11705
11706 2002-04-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11707
11708 PR c/6343
11709 * c-decl.c (duplicate_decls): Call merge_weak.
11710 * c-pragma.c (apply_pragma_weak): Warn about misuse.
11711 * output.h (merge_weak): Prototype merge_weak.
11712 * varasm.c (merge_weak): New function.
11713 (declare_weak): Make sure we don't give an error on VAR_DECLs.
11714 Mark RTL with SYMBOL_REF_WEAK.
11715
11716 2002-04-27 Kurt Garloff <garloff@suse.de>
11717
11718 * tree-inline.c (inlinable_function_p): Improve heuristics
11719 by using a smoother function to cut down allowable inlinable size.
11720 * param.def: Add parameters max-inline-insns-single,
11721 max-inline-slope, min-inline-insns that determine the exact
11722 shape of the above function.
11723 * param.h: Likewise.
11724
11725 2002-04-26 Richard Henderson <rth@redhat.com>
11726
11727 * c-parse.in (malloced_yyss, malloced_yyvs): New.
11728 (yyoverflow): Re-add. Set them.
11729 (free_parser_stacks): New.
11730 * c-common.h: Declare it.
11731 * c-lex.c (c_common_parse_file): Call it.
11732
11733 2002-04-26 Richard Henderson <rth@redhat.com>
11734
11735 * cfgrtl.c (tidy_fallthru_edge): Don't use next_real_insn
11736 for fallthru search.
11737
11738 2002-04-26 Eric Christopher <echristo@redhat.com>
11739
11740 PR optimization/3700
11741 * config/mips/mips.c (mips_issue_rate): Define. New function.
11742 (TARGET_SCHED_ISSUE_RATE): Use.
11743
11744 2002-04-25 David S. Miller <davem@redhat.com>
11745
11746 PR target/6422
11747 * reorg.c (optimize_skip): Do not allow exception causing
11748 instructions to be considered for delay slots.
11749 (fill_simply_delay_slots, fill_slots_from_thread): Likewise.
11750 (relax_delay_slots): Do not try to consider exception causing
11751 instructions as redundant.
11752
11753 2002-04-26 Richard Henderson <rth@redhat.com>
11754
11755 PR c/5225
11756 * c-typeck.c (build_unary_op) [CONVERT_EXPR]: Invoke non_lvalue.
11757
11758 2002-04-26 Mark Mitchell <mark@codesourcery.com>
11759
11760 PR bootstrap/6445
11761 * config/i386/i386.md (untyped_call): Return the value in a float
11762 register if TARGET_FLOAT_RETURNS_IN_80387, not just if
11763 TARGET_80387.
11764
11765 2002-04-26 Alexandre Oliva <aoliva@redhat.com>
11766
11767 * tree.c (tree_int_cst_lt): Compare constants whose types differ
11768 in unsigned-ness correctly.
11769
11770 2002-04-26 John David Anglin <dave@hiauly1.hia.nrc.ca>
11771
11772 * pa.h (FUNCTION_OK_FOR_SIBCALL): Don't do sibcalls when using the
11773 portable runtime model.
11774
11775 2002-04-26 Richard Henderson <rth@redhat.com>
11776
11777 * c-parse.in (yyoverflow): Revert.
11778
11779 2002-04-26 David Edelsohn <edelsohn@gnu.org>
11780 Richard Henderson <rth@redhat.com>
11781
11782 * config/rs6000/rs6000.md (sCC pattern): Remove clobber and use
11783 result as temporary value.
11784
11785 2002-04-26 Richard Henderson <rth@redhat.com>
11786
11787 PR c/3581
11788 * c-common.c (fix_string_type): Split out of ...
11789 (combine_strings): ... here. Take a varray, not a tree list.
11790 (c_expand_builtin_printf): Use fix_string_type.
11791 * c-common.h: Update decls.
11792 * c-parse.in (string): Remove. Update all uses to use STRING
11793 instead, and not call combine_strings.
11794 (yylexstring): New.
11795 (_yylex): Use it.
11796 * c-typeck.c (simple_asm_stmt): Don't call combine_strings.
11797 (build_asm_stmt): Likewise.
11798 * objc/objc-act.c (my_build_string): Use fix_string_type.
11799 (build_objc_string_object): Build varray for combine_strings.
11800
11801 2002-04-26 Bo Thorsen <bo@suse.co.uk>
11802
11803 * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
11804 x86-64.
11805
11806 2002-04-26 Neil Booth <neil@daikokuya.demon.co.uk>
11807
11808 * cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
11809 (HAVE_NO_R_OPERAND): Remove.
11810 (HAVE_VALUE): Remove.
11811 (op_to_prio): Update.
11812 (UNARY): Don't alter flags.
11813 (_cpp_parse_expr): want_value used to indicate whether
11814 a number or unary operator is expected next. Distinguish
11815 unary and binary +/-.
11816 (op_as_text): Update for unary operators.
11817
11818 2002-04-25 Richard Henderson <rth@redhat.com>
11819
11820 PR c/2161
11821 * c-parse.in (yyoverflow): New.
11822
11823 2002-04-25 Richard Henderson <rth@redhat.com>
11824
11825 PR c/2098
11826 * c-common.c (shorten_compare): Simplfy conditions leading to
11827 the generation of a warning.
11828
11829 2002-04-25 Richard Henderson <rth@redhat.com>
11830
11831 PR c/2035
11832 * expmed.c (extract_bit_field): Fall through to generic code rather
11833 than aborting on subreg special case.
11834
11835 2002-04-25 David S. Miller <davem@redhat.com>
11836
11837 * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Add back check
11838 for DECL being NULL.
11839
11840 2002-04-25 Steve Christiansen <smc@us.ibm.com>
11841
11842 * doc/md.texi (Machine Constraints): Add IA-64 constraints.
11843
11844 2002-04-25 Eric Botcazou <ebotcazou@multimania.com>
11845
11846 * c-decl.c (grokdeclarator): Remove outdated ??? note
11847 on invalid declaration of flexible array members.
11848
11849 2002-04-25 Richard Henderson <rth@redhat.com>
11850
11851 * doc/invoke.texi: Document -gdwarf{,-2} vs debug level.
11852
11853 2002-04-25 Ulrich Weigand <uweigand@de.ibm.com>
11854
11855 * config/s390/s390.c (s390_emit_epilogue): Always restore registers
11856 needed by the compiler, even if they are used as global regs.
11857
11858 2002-04-25 Matt Hiller <hiller@redhat.com>
11859
11860 * mips.c (mips_class_max_nregs, mips_register_move_cost): New
11861 functions.
11862 * mips.h (CLASS_MAX_NREGS, REGISTER_MOVE_COST): Redefine as calls
11863 of the corresponding functions.
11864 * mips-protos.h (mips_class_max_nregs, mips_register_move_cost):
11865 New prototypes.
11866
11867 2002-04-25 Matt Hiller <hiller@redhat.com>
11868
11869 * config/mips/mips.h (mips_sw_reg_names): Declare as extern.
11870
11871 (ALL_COP_ADDITIONAL_REGISTER_NAMES): New macro.
11872 (FIRST_PSEUDO_REGISTER): Redefine considering coprocessor
11873 registers, adjust comment accordingly.
11874 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
11875 reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGISTER_NAMES,
11876 DEBUG_REGISTER_NAMES, REG_ALLOC_ORDER): Adjust to include entries
11877 for coprocessor registers.
11878 (ADDITIONAL_REGISTER_NAMES): Include
11879 ALL_COP_ADDITIONAL_REGISTER_NAMES.
11880
11881 (COP0_REG_FIRST, COP0_REG_LAST, COP0_REG_NUM,
11882 COP2_REG_FIRST, COP2_REG_LAST, COP2_REG_NUM,
11883 COP3_REG_FIRST, COP3_REG_LAST, COP3_REG_NUM,
11884 COP0_REG_P, COP2_REG_P, COP3_REG_P, ALL_COP_REG_P,
11885 COPNUM_AS_CHAR_FROM_REGNUM, COP_REG_CLASS_P): New macros.
11886
11887 (mips_char_to_class): Adjust comment to include coprocessor
11888 constraint letters.
11889
11890 * config/mips/mips.c (coprocessor_operand, coprocessor2_operand):
11891 New functions.
11892 (mips_reg_names, mips_regno_to_class): Include coprocessor
11893 information.
11894 (mips_sw_reg_names): Ditto, make non-static.
11895 (mips_move_1word): Handle moves to and from coprocessor registers.
11896 (mips_move_2words): Handle moves to and from coprocessor
11897 registers.
11898 (mips_class_max_nregs, mips_register_move_cost): Handle
11899 coprocessor register classes.
11900 (override_options): Initialize mips_char_to_class and
11901 mips_hard_regno_mode_ok properly for coprocessor registers.
11902
11903 * config/mips/mips.md (movdi_internal, movdi_internal2,
11904 movsi_internal1, movsi_internal2): Add constraint-sets for
11905 coprocessor registers.
11906 * testsuite/gcc.c-torture/mipscop-1.c: New testcase.
11907 * testsuite/gcc.c-torture/mipscop-1.x: Disable above if target
11908 isn't mips.
11909 * testsuite/gcc.c-torture/mipscop-2.c: New testcase.
11910 * testsuite/gcc.c-torture/mipscop-2.x: Disable above if target
11911 isn't mips.
11912 * testsuite/gcc.c-torture/mipscop-3.c: New testcase.
11913 * testsuite/gcc.c-torture/mipscop-3.x: Disable above if target
11914 isn't mips.
11915 * testsuite/gcc.c-torture/mipscop-4.c: New testcase.
11916 * testsuite/gcc.c-torture/mipscop-4.x: Disable above if target
11917 isn't mips.
11918
11919 * doc/tm.texi: Document feature.
11920
11921 2002-04-25 Neil Booth <neil@daikokuya.demon.co.uk>
11922
11923 * integrate.c (function_attribute_inlinable_p): Simplify.
11924 Check the table pointer is not NULL.
11925
11926 2002-04-25 Steven Bosscher <S.Bosscher@student.tudelft.nl>
11927
11928 * doc/c-tree.texi: Fix typo in introduction.
11929
11930 2002-04-25 Neil Booth <neil@daikokuya.demon.co.uk>
11931
11932 * c-common.h (c_common_parse_file): Update.
11933 * c-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
11934 * c-lex.c (YYDEBUG): Get from c-lex.h.
11935 (c_common_parse_file): Update.
11936 * c-lex.h (YYDEBUG, yydebug): New.
11937 * c-parse.in (YYDEBUG): Get from c-lex.h.
11938 (c_set_yydebug): Remove.
11939 * c-tree.h (c_set_yydebug): Remove.
11940 * langhooks-def.h (lhd_do_nothing_i): New.
11941 (lhd_set_yydebug, LANG_HOOKS_SET_YYDEBUG): Remove.
11942 (LANG_HOOKS_PARSE_FILE, LANG_HOOKS_INITIALIZER): Update.
11943 * langhooks.c (lhd_do_nothing_i): New.
11944 (lhd_set_yydebug): Remove.
11945 * langhooks.h (struct lang_hooks): Update.
11946 * toplev.c (set_yydebug): New.
11947 (compile_file): Update call to parse_file hook.
11948 (decode_d_option): Update.
11949 objc:
11950 * objc-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
11951
11952 Wed Apr 24 23:45:37 2002 J"orn Rennecke <joern.rennecke@superh.com>
11953
11954 * loop.c (load_mems): Don't change the interface of called functions.
11955
11956 * calls.c (expand_call): Take current_function_pretend_args_size
11957 into account when setting argblock for sibcalls.
11958
11959 2002-04-24 Matt Hiller <hiller@redhat.com>
11960
11961 * cpplex.c: Remove conditional #undef of MULTIBYTE_CHARS.
11962 * c-lex.c: Ditto.
11963
11964 * cpplex.c (skip_line_comment): Process comment one multibyte
11965 character at a time rather than one char at a time, if
11966 appropriate.
11967 (parse_string): Process string one multibyte character at a time
11968 rather than one char at a time, if appropriate.
11969 * c-lex.c (lex_string): Lex and copy multibyte strings
11970 appropriately.
11971 * cpplib.h (cppchar_t): Change to unsigned.
11972
11973 2002-04-24 Richard Henderson <rth@redhat.com>
11974
11975 PR c/3467
11976 * c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays
11977 for c99.
11978
11979 Wed Apr 24 21:51:54 2002 J"orn Rennecke <joern.rennecke@superh.com>
11980
11981 * sh.c (sh_va_arg): If argument was passed by reference,
11982 dereference the pointer.
11983
11984 * sh.h (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.
11985
11986 * sh.md (divsi3_i4_media): Use match_operand for input values
11987 rather than hard registers.
11988 (divsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values
11989 unnecessarily through hard registers. Keep copies of pseudo
11990 registers outside of the libcall sequence.
11991
11992 * sh.md (casesi_shift_media): Add modes.
11993
11994 * sh.h (RETURN_IN_MEMORY): Return variable size BLKmode
11995 values in memory.
11996
11997 2002-04-24 Neil Booth <neil@daikokuya.demon.co.uk>
11998
11999 * attribs.c (c_common_attribute_table): Move table and handlers
12000 to c-common.c.
12001 (format_attribute_table, lang_attribute_table,
12002 lang_attribute_common): Remove.
12003 (init_attributes): Replace NULL pointers with pointers to the
12004 empty table.
12005 (handle_packed_attribute, handle_nocommon_attribute,
12006 handle_common_attribute, handle_noreturn_attribute,
12007 handle_noinline_attribute, handle_always_inline_attribute,
12008 handle_used_attribute, handle_unused_attribute,
12009 handle_const_attribute, handle_transparent_union_attribute,
12010 handle_constructor_attribute, handle_destructor_attribute,
12011 handle_mode_attribute, handle_section_attribute,
12012 handle_aligned_attribute, handle_weak_attribute,
12013 handle_alias_attribute, handle_visibility_attribute,
12014 handle_no_instrument_function_attribute, handle_malloc_attribute,
12015 handle_no_limit_stack_attribute, handle_pure_attribute,
12016 handle_deprecated_attribute, handle_vector_size_attribute,
12017 vector_size_helper): Move to c-common.c.
12018 * c-common.c (c_common_attribute_table,
12019 handle_packed_attribute, handle_nocommon_attribute,
12020 handle_common_attribute, handle_noreturn_attribute,
12021 handle_noinline_attribute, handle_always_inline_attribute,
12022 handle_used_attribute, handle_unused_attribute,
12023 handle_const_attribute, handle_transparent_union_attribute,
12024 handle_constructor_attribute, handle_destructor_attribute,
12025 handle_mode_attribute, handle_section_attribute,
12026 handle_aligned_attribute, handle_weak_attribute,
12027 handle_alias_attribute, handle_visibility_attribute,
12028 handle_no_instrument_function_attribute, handle_malloc_attribute,
12029 handle_no_limit_stack_attribute, handle_pure_attribute,
12030 handle_deprecated_attribute, handle_vector_size_attribute,
12031 vector_size_helper): Move from attribs.c.
12032 * c-common.h (c_common_attribute_table,
12033 c_common_format_attribute_table): New.
12034 * c-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
12035 LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
12036 * langhooks-def.h (LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
12037 LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_ATTRIBUTE_TABLE): New.
12038 (LANG_HOOKS_INITIALIZER): Update.
12039 * langhooks.h (struct lang_hooks): 3 new attribute hooks.
12040 * target-def.h (TARGET_ATTRIBUTE_TABLE): Default to NULL.
12041 * target.h: Update comment.
12042 * tree.c (default_target_attribute_table): Remove.
12043 * tree.h (default_target_attribute_table, format_attribute_table,
12044 lang_attribute_table, lang_attribute_common): Remove.
12045 objc:
12046 * objc-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
12047 LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
12048
12049 2002-04-24 Jason Merrill <jason@redhat.com>
12050
12051 * dwarf2.h (enum dwarf_attribute): Add DW_AT_GNU_vector.
12052 * dwarf2out.c (dwarf_attr_name): Support it.
12053 (gen_array_type_die): Emit it.
12054 (lookup_type_die): No special handling for VECTOR_TYPE.
12055 (gen_type_die): Hand VECTOR_TYPE off to gen_array_type_die.
12056
12057 2002-04-24 Richard Henderson <rth@redhat.com>
12058
12059 * config/mips/mips.md (movdi_usd): Renumber.
12060
12061 2002-04-24 David S. Miller <davem@redhat.com>
12062
12063 PR target/6420
12064 * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Return false if
12065 32-bit Sparc and current_function_returns_struct is true.
12066
12067 Wed Apr 24 13:48:25 CEST 2002 Jan Hubicka <jh@suse.cz>
12068
12069 * loop.c (canonicalize_condition): Use gen_int_mode.
12070
12071 2002-04-24 Aldy Hernandez <aldyh@redhat.com>
12072
12073 * config/rs6000/altivec.h: Cleanup file. Add non individual
12074 variants.
12075 (vec_vaddubm): New.
12076 (vec_vadduhm): New.
12077 (vec_vadduwm): New.
12078 (vec_vaddfp): New.
12079 (vec_vaddcuw): New.
12080 (vec_vaddubs): New.
12081 (vec_vaddsbs): New.
12082 (vec_vadduhs): New.
12083 (vec_vadduws): New.
12084 (vec_vaddsws): New.
12085 (vec_vand): New.
12086 (vec_vandc): New.
12087 (vec_vavgub): New.
12088 (vec_vavgsb): New.
12089 (vec_vavguh): New.
12090 (vec_vavgsh): New.
12091 (vec_vavguw): New.
12092 (vec_vavgsw): New.
12093 (vec_vrfip): New.
12094 (vec_vcmpbfp): New.
12095 (vec_vcmpequb): New.
12096 (vec_vcmpequh): New.
12097 (vec_vcmpequw): New.
12098 (vec_vcmpeqfp): New.
12099 (vec_vcmpgefp): New.
12100 (vec_vcmpgtub): New.
12101 (vec_vcmpgtsb): New.
12102 (vec_vcmpgtuh): New.
12103 (vec_vcmpgtsh): New.
12104 (vec_vcmpgtuw): New.
12105 (vec_vcmpgtsw): New.
12106 (vec_vcmpgtfp): New.
12107 (vec_vcmpgefp): New.
12108 (vec_vcfux): New.
12109 (vec_vcfsx): New.
12110 (vec_vctsxs): New.
12111 (vec_vctuxs): New.
12112 (vec_vexptefp): New.
12113 (vec_vrfim): New.
12114 (vec_lvx): New.
12115 (vec_lvebx): New.
12116 (vec_lvehx): New.
12117 (vec_lde): Add vector float variant.
12118 (vec_lvewx): New.
12119 (vec_lvxl): New.
12120 (vec_vlogefp): New.
12121 (vec_vmaddfp): New.
12122 (vec_vmhaddshs): New.
12123 (vec_vmaxub): New.
12124 (vec_vmaxsb): New.
12125 (vec_vmaxuh): New.
12126 (vec_vmaxsh): New.
12127 (vec_vmaxuw): New.
12128 (vec_vmaxsw): New.
12129 (vec_vmaxsw): New.
12130 (vec_vmaxfp): New.
12131 (vec_vmrghb): New.
12132 (vec_vmrghh): New.
12133 (vec_vmrghw): New.
12134 (vec_vmrglb): New.
12135 (vec_vmrglh): New.
12136 (vec_vmrglw): New.
12137 (vec_vminub): New.
12138 (vec_vminsb): New.
12139 (vec_vminuh): New.
12140 (vec_vminsh): New.
12141 (vec_vminuw): New.
12142 (vec_vminsw): New.
12143 (vec_vminfp): New.
12144 (vec_vmladduhm): New.
12145 (vec_vmhraddshs): New.
12146 (vec_msumubm): New.
12147 (vec_vmsummbm): New.
12148 (vec_vmsumuhm): New.
12149 (vec_vmsumshm): New.
12150 (vec_vmsumuhs): New.
12151 (vec_vmsumshs): New.
12152 (vec_vmuleub): New.
12153 (vec_vmulesb): New.
12154 (vec_vmuleuh): New.
12155 (vec_vmulesh): New.
12156 (vec_vmuloub): New.
12157 (vec_mulosb): New.
12158 (vec_vmulouh): New.
12159 (vec_vmulosh): New.
12160 (vec_vnmsubfp): New.
12161 (vec_vnor): New.
12162 (vec_vor): New.
12163 (vec_vpkuhum): New.
12164 (vec_vpkuwum): New.
12165 (vec_vpkpx): New.
12166 (vec_vpkuhus): New.
12167 (vec_vpkshss): New.
12168 (vec_vpkuwus): New.
12169 (vec_vpkswss): New.
12170 (vec_vpkshus): New.
12171 (vec_vpkswus): New.
12172 (vec_vperm): New.
12173 (vec_vrefp): New.
12174 (vec_vrlb): New.
12175 (vec_vrlh): New.
12176 (vec_vrlw): New.
12177 (vec_vrfin): New.
12178 (vec_vrsqrtefp): New.
12179 (vec_vsel): New.
12180 (vec_vslb): New.
12181 (vec_vslh): New.
12182 (vec_vslw): New.
12183 (vec_vsldoi): New.
12184 (vec_vsl): New.
12185 (vec_vslo): New.
12186 (vec_vspltb): New.
12187 (vec_vsplth): New.
12188 (vec_vspltw): New.
12189 (vec_vspltisb): New.
12190 (vec_vspltish): New.
12191 (vec_vspltisw): New.
12192 (vec_vsrb): New.
12193 (vec_vsrh): New.
12194 (vec_vsrw): New.
12195 (vec_vsrab): New.
12196 (vec_vsrah): New.
12197 (vec_vsraw): New.
12198 (vec_vsr): New.
12199 (vec_vsro): New.
12200 (vec_stvx): New.
12201 (vec_stvebx): New.
12202 (vec_stvehx): New.
12203 (vec_stvewx): New.
12204 (vec_stvxl): New.
12205 (vec_vsububm): New.
12206 (vec_vsubuhm): New.
12207 (vec_vsubuwm): New.
12208 (vec_vsubfp): New.
12209 (vec_vsubcuw): New.
12210 (vec_vsububs): New.
12211 (vec_vsubsbs): New.
12212 (vec_vsubuhs): New.
12213 (vec_vsubshs): New.
12214 (vec_vsubuws): New.
12215 (vec_vsubsws): New.
12216 (vec_vsum4ubs): New.
12217 (vec_vsum4sbs): New.
12218 (vec_vsum4shs): New.
12219 (vec_vsum2sws): New.
12220 (vec_vsumsws): New.
12221 (vec_vrfiz): New.
12222 (vec_vupkhsb): New.
12223 (vec_vupkhpx): New.
12224 (vec_vupkhsh): New.
12225 (vec_vupklsb): New.
12226 (vec_vupklpx): New.
12227 (vec_vupklsh): New.
12228 (vec_vxor): New.
12229
12230 2002-04-23 Eric Botcazou <ebotcazou@multimania.com>
12231
12232 PR c/5430
12233 * fold-const.c (split_tree): Add MINUS_LITP parameter; separate
12234 added literals from substracted literals.
12235 (associate_trees): Don't convert MINUS_EXPR into PLUS_EXPR.
12236 (fold) [associate]: Preserve MINUS_EXPR if needed.
12237
12238 2002-04-23 Zack Weinberg <zack@codesourcery.com>
12239
12240 * doc/install.texi: Clarify which versions of alpha*-dec-osf*
12241 are obsoleted.
12242
12243 2002-04-23 Tom Tromey <tromey@redhat.com>
12244
12245 * gcc.c: Added --resource. For PR java/6314.
12246
12247 2002-04-23 David O'Brien <obrien@FreeBSD.org>
12248
12249 * cp/g++spec.c: Use profiled libstdc++ and libm with -p/-pg.
12250 * config/freebsd.h (MATH_LIBRARY_PROFILE): Use the _p verions of
12251 these libraries.
12252
12253 2002-04-23 David O'Brien <obrien@FreeBSD.org>
12254
12255 * config/freebsd.h(OBJECT_FORMAT_ELF): Define.
12256
12257 Tue Apr 23 14:24:25 CEST 2002 Jan Hubicka <jh@suse.cz>
12258
12259 * i386.c (ix86_output_addr_diff_elt): Avoid x86_64 binutils bug
12260 workaround.
12261 (ix86_expand_int_movcc): Avoid x86_64 compilation chrash.
12262 (ix86_expand_clrstr): Fix typo.
12263 * loop.c (gen_load_of_final_value): New.
12264 (loop_givs_rescan, strength_reduce, check_dbra_loop):
12265 Use it.
12266
12267 2002-04-23 Roger Sayle <roger@eyesopen.com>
12268
12269 * builtins.c (builtin_memset_gen_str): New function.
12270 (expand_builtin_memset): Optimize the case of constant length, but
12271 unknown value.
12272
12273 2002-04-23 Aldy Hernandez <aldyh@redhat.com>
12274
12275 * config/rs6000/altivec.h (vec_step): Remove extraneous
12276 parentheses.
12277 (vec_ctu): Cast return.
12278
12279 2002-04-23 Alan Modra <amodra@bigpond.net.au>
12280
12281 PR target/6413
12282 * function.h: (struct function): Add profile_label_no field.
12283 (current_function_profile_label_no): Define.
12284 * function.c: (profile_label_no): New static var.
12285 (expand_function_start): Increment it, and copy to
12286 current_function_profile_label_no.
12287 * output.h (profile_label_no): Delete.
12288 * final.c (profile_label_no): Delete.
12289 (profile_function): Use current_function_profile_label_no.
12290 (final_end_function): Don't increment profile_label_no here.
12291 * config/i386/i386.c (ix86_osf_output_function_prologue): Replace
12292 profile_label_no with current_function_profile_label_no.
12293 * config/pa/pa.c (current_function_number): Delete.
12294 (pa_output_function_prologue): Don't output profile label here.
12295 (hppa_profile_hook): Use label_no param rather than
12296 current_function_number.
12297 (FUNC_BEGIN_PROLOG_LABEL): Move to ..
12298 * config/pa/pa.h: .. here.
12299 (FUNCTION_PROFILER): Output profile label here.
12300
12301 2002-04-22 Eric Christopher <echristo@redhat.com>
12302
12303 * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Revert
12304 patch of 2002-04-09 due to binutils issues.
12305 (FUNCTION_ARG_REGNO_P): Ensure even numbered float register.
12306
12307 2002-04-22 Aldy Hernandez <aldyh@redhat.com>
12308
12309 * config/rs6000/rs6000.md ("*movv4si_internal"): Change 'm'
12310 constraint to 'o' for m=r and r=m alternatives.
12311 ("*movv8hi_internal1"): Same.
12312 ("*movv16qi_internal1"): Same.
12313 ("*movv4sf_internal1"): Same.
12314
12315 2002-04-22 Janis Johnson <janis187@us.ibm.com>
12316
12317 * rtl.h (RTX_FLAG): New macro.
12318 * emit-rtl.c (copy_most_rtx): Use macros to access rtx flags.
12319 * final.c (alter_subreg): Use macro to access rtx flag.
12320 * integrate.c (copy_rtx_and_substitute): Use new access macro.
12321 * print-rtl.c (print_rtx): Use new access macro.
12322
12323 * cse.c (insert): Check rtx code before accessing flag.
12324
12325 * genattrtab.c (ATTR_IND_SIMPLIFIED_P, ATTR_CURR_SIMPLIFIED_P,
12326 ATTR_PERMANENT_P, ATTR_EQ_ATTR_P): New.
12327 (attr_hash_add_string, attr_rtx_1, attr_copy_rtx, check_attr_test,
12328 convert_const_symbol_ref, make_canonical, make_alternative_compare,
12329 evaluate_eq_attr, attr_rtx_cost, simplify_test_exp_in_temp,
12330 simplify_test_exp, optimize_attrs, simplify_by_exploding,
12331 find_and_mark_used_attributes, unmark_used_attributes,
12332 add_values_to_cover, simplify_with_current_value,
12333 simplify_with_current_value_aux, clear_struct_flag, walk_attr_value,
12334 copy_rtx_unchanging, main): Use new access macros.
12335
12336 2002-04-22 Tom Rix <trix@redhat.com>
12337
12338 * expmed.c (init_expmed): Generate shifted constant once.
12339
12340 2002-04-22 Zack Weinberg <zack@codesourcery.com>
12341
12342 * c-lex.c (lex_charconst): Call convert to get constant in
12343 proper type; don't just smash the type field.
12344 Fixes PR c/6300.
12345
12346 * config.gcc: Add list of obsolete configurations. Disallow
12347 building these without --enable-obsolete.
12348 * doc/install.texi: Document --enable-obsolete and obsoletion
12349 policy. Mention obsoletion of individual targets in
12350 appropriate places.
12351
12352 2002-04-22 Richard Henderson <rth@redhat.com>
12353
12354 * config/sparc/sol2-bi.h (ASM_DEBUG_SPEC): New.
12355
12356 2002-04-22 Mark Mitchell <mark@codesourcery.com>
12357
12358 PR f/6138.
12359 * function.c (fixup_memory_subreg): Add promoted_mode parameter.
12360 (walk_fixup_memory_subreg): Likewise.
12361 (fixup_var_refs_insn): Adjust accordingly.
12362 (fixup_var_refs_1): Likewise.
12363
12364 2002-04-22 Ulrich Weigand <uweigand@de.ibm.com>
12365
12366 * config/s390/linux.h: (LIBPATH_SPEC, LIBPATH_ARCH31_SPEC,
12367 LIBPATH_ARCH64_SPEC): Define.
12368 (EXTRA_SPECS): Add libpath, libpath_arch31, libpath_arch64.
12369 (STARTFILE_SPEC, ENDFILE_SPEC): Define; use libpath.
12370 (LINK_ARCH31_SPEC): Add libpath_arch31 to search path.
12371 (LINK_ARCH64_SPEC): Add libpath_arch64 to search path.
12372
12373 2002-04-22 Joel Sherrill <joel@OARcorp.com>
12374
12375 * gthr-rtems.h: Correct prototypes to remove warnings.
12376
12377 2002-04-22 Richard Henderson <rth@redhat.com>
12378
12379 PR c/6344
12380 * alias.c (canon_true_dependence): Special case (mem:blk (scratch)).
12381
12382 * gcse.c (free_insn_expr_list_list): New.
12383 (clear_modify_mem_tables): Use it. Fix bit set usage.
12384 (canon_list_insert): Use EXPR_LISTs for expressions.
12385 (record_last_mem_set_info): Factor BLOCK_NUM (insn).
12386
12387 2002-04-22 Neil Booth <neil@daikokuya.demon.co.uk>
12388
12389 * cppfiles.c (_cpp_pop_file_buffer): Return void. Move
12390 file change and include code to _cpp_pop_buffer.
12391 * cpphash.h (struct pending_option): Predeclare.
12392 (struct cpp_reader): New member next_include_file.
12393 (_cpp_pop_file_buffer): Update.
12394 (_cpp_push_next_buffer): Update, rename.
12395 * cppinit.c (cpp_destroy): Free include chain and pending here.
12396 (cpp_finish_options): Simplify.
12397 (_cpp_push_next_buffer): Rename and clean up.
12398 * cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer.
12399 Clarify.
12400 * cppmacro.c (cpp_scan_nooutput): Set return_at_eof here.
12401
12402 2002-04-22 Aldy Hernandez <aldyh@redhat.com>
12403
12404 * config/rs6000/altivec.h (vec_xor): Add variant for both args
12405 being vector signed int.
12406 (vec_andc): Same.
12407 (vec_xor): Add variant for both args being vector signed char.
12408 Remove redundant variant.
12409 (vec_andc): Same.
12410
12411 2002-04-21 David S. Miller <davem@redhat.com>
12412
12413 * config/sparc/sparc.md (set then compare DI mode peephole2): Fix
12414 compare mode in output RTL.
12415
12416 2002-04-22 David Edelsohn <edelsohn@gnu.org>
12417
12418 * config/rs6000/rs6000.c (rs6000_override_options): Correct
12419 style and formatting of previous patch.
12420
12421 2002-04-22 Alan Modra <amodra@bigpond.net.au>
12422
12423 * config/rs6000/rs6000.c (rs6000_override_options): Always clear
12424 flag_pic for ABI_AIX.
12425
12426 2002-04-21 Neil Booth <neil@daikokuya.demon.co.uk>
12427
12428 * cppexp.c (struct op, parse_number): Replace U_CHAR with uchar.
12429 * cppfiles.c (read_include_file): Similarly.
12430 * cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen,
12431 uxstrdup ustrchr, ufputs): Similarly.
12432 * cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly.
12433 * cpplex.c (parse_slow, unescaped_terminator_p, save_comment,
12434 cpp_ideq, parse_identifier, parse_number): Similarly.
12435 * cpplib.c (struct directive, dequote_string, D, run_directive,
12436 cpp_push_buffer): Similarly.
12437 * cppmacro.c (new_string_token, builtin_macro, cpp_quote_string,
12438 _cpp_create_definition, check_trad_stringification,
12439 cpp_macro_definition): Similarly.
12440
12441 2002-04-21 Neil Booth <neil@daikokuya.demon.co.uk>
12442
12443 * cppmacro.c (funlike_invocation_p): Don't step back
12444 over CPP_EOF.
12445
12446 2002-04-21 David Edelsohn <edelsohn@gnu.org>
12447
12448 * config/rs6000/rs6000.c (output_profile_hook): Do not increment
12449 labelno.
12450
12451 2002-04-20 Joseph S. Myers <jsm28@cam.ac.uk>
12452
12453 * doc/invoke.texi: Remove Chill references.
12454 * doc/gcc.texi: Update last modified date.
12455
12456 2002-04-20 Kazu Hirata <kazu@hxi.com>
12457
12458 * config/h8300/lib1funcs.asm (___mulsi3): Remove unnecessary
12459 push and pop. Replace add.l with add.w.
12460
12461 2002-04-20 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
12462
12463 * config/h8300/lib1funcs.asm (___mulsi3): Use hardware
12464 multiply instructions for H8/300H case.
12465
12466 2002-04-20 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
12467
12468 * config/h8300/lib1funcs.asm (___cmpsi2, ___ucmpsi2):
12469 Bum three instructions from each routine.
12470
12471 2002-04-20 Neil Booth <neil@daikokuya.demon.co.uk>
12472
12473 * Makefile.in: Update.
12474 * decl.c (push_c_function_context, pop_c_function_context,
12475 mark_c_function_context): Rename for consistency.
12476 * c-objc-common.c (c_objc_common_init): Langhooks set elsewhere.
12477 * c-tree.h (push_c_function_context, pop_c_function_context,
12478 mark_c_function_context): Rename for consistency.
12479 * c-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
12480 LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
12481 * function.c (init_lang_status, save_lang_status,
12482 restore_lang_status, mark_lang_status, free_lang_status):
12483 Move to langhooks.h.
12484 (push_function_context_to, pop_function_context_from,
12485 free_after_parsing, prepare_function_start, ggc_mark_struct_function):
12486 Update.
12487 * function.h (init_lang_status, save_lang_status,
12488 restore_lang_status, mark_lang_status, free_lang_status):
12489 Move to langhooks.h.
12490 * langhooks-def.h (LANG_HOOKS_FUNCTION_INIT,
12491 LANG_HOOKS_FUNCTION_FREE, LANG_HOOKS_FUNCTION_ENTER_NESTED,
12492 LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK,
12493 LANG_HOOKS_FUNCTION_INITIALIZER): New.
12494 (LANG_HOOKS_INITIALIZER): Update.
12495 (lhd_do_nothing_f): New.
12496 * langhooks.h (struct lang_hooks_for_functions): New.
12497 (struct lang_hooks): New hooks.
12498 * langhooks.c (lhd_do_nothing_f): New.
12499 objc:
12500 * objc-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
12501 LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
12502
12503 2002-04-19 David S. Miller <davem@redhat.com>
12504
12505 * config/sparc/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
12506 * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Likewise.
12507
12508 2002-04-19 Jakub Jelinek <jakub@redhat.com>
12509
12510 PR optimization/3756
12511 * config/i386/i386.c (ix86_expand_int_movcc): Optimize
12512 x = ((int) y < 0) ? cst1 : cst2.
12513
12514 2002-04-19 Jakub Jelinek <jakub@redhat.com>
12515
12516 PR c/6358
12517 * function.c: Reapply patch for c/6358.
12518 (expand_function_end): Copy decl_rtl's mode, not
12519 current_function_return_rtx mode.
12520
12521 2002-04-19 Joel Sherrill <joel@OARcorp.com>
12522
12523 * config/rtems.h (STARTFILE_SPEC, ENDFILE_SPEC): Fix for non-ELF
12524 targets.
12525
12526 2002-04-19 Tom Tromey <tromey@redhat.com>
12527
12528 * doc/install.texi (Specific): Update status of Solaris 2.8.
12529 For PR libgcj/6158.
12530
12531 2002-04-19 Andreas Schwab <schwab@suse.de>
12532
12533 * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE.
12534 (PUT_REAL): Restore old definition.
12535
12536 2002-04-19 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
12537 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12538
12539 * doc/install.texi (Specific, sparc-sun-solaris2*): Mention that
12540 binutils 2.11.2 and higher generate smaller binaries than Sun's
12541 native tools.
12542
12543 2002-04-19 Mark Mitchell <mark@codesourcery.com>
12544
12545 PR c++/6352
12546 * toplev.c (rest_of_compilation): Do not defer functions for which
12547 TREE_SYMBOL_REFERENCED has already been set.
12548
12549 Fri Apr 19 15:53:03 CEST 2002 Jan Hubicka <jh@suse.cz>
12550
12551 * i386.md (movsi_1, movhi_1): Force reload to use more flexible
12552 alternative.
12553
12554 2002-04-19 Neil Booth <neil@daikokuya.demon.co.uk>
12555
12556 * builtins.c: Include langhooks.h.
12557 (lang_type_promotes_to): Remove.
12558 (expand_builtin_va_arg): Use new hook.
12559 * c-common.c (c_common_nodes_and_builtins): Don't set hook.
12560 (simple_type_promotes_to): Move to c-typeck.c.
12561 * c-common.h (simple_type_promotes_to): Remove.
12562 * c-decl.c (duplicate_decls, grokdeclarator): Update.
12563 * c-format.c: Include langhooks.h.
12564 (check_format_types): Update.
12565 * c-tree.h (c_type_promotes_to): New.
12566 * c-typeck.c (c_type_promotes_to): Move from c-common.c.
12567 (type_lists_compatible_p): Update.
12568 * langhooks-def.h (lhd_type_promotes_to): New.
12569 (LANG_HOOKS_TYPE_PROMOTES_TO): New.
12570 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
12571 * langhooks.c (lhd_type_promotes_to): New.
12572 * langhooks.h (struct lang_hooks_for_types): New hook.
12573 * tree.h (lang_type_promotes_to): Remove.
12574 objc:
12575 * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.
12576
12577 2002-04-18 Richard Henderson <rth@redhat.com>
12578
12579 * function.c: Revert patch for c/6358.
12580
12581 2002-04-18 Richard Henderson <rth@redhat.com>
12582
12583 * ifcvt.c (find_cond_trap): Handle cases with no proper THEN or JOIN
12584 blocks. Handle multiple references to the TRAP block. Handle
12585 non-adjacent THEN and OTHER blocks.
12586
12587 2002-04-18 Richard Henderson <rth@redhat.com>
12588
12589 * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): Don't
12590 crash with no type for by-mode libcalls.
12591
12592 * config/ia64/ia64.md (conditional_trap): Fix predicate polarity.
12593
12594 2002-04-18 Bob Wilson <bob.wilson@acm.org>
12595
12596 * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill,
12597 __xtensa_nonlocal_goto): Use a syscall instructions to flush
12598 the register windows.
12599
12600 2002-04-18 Zack Weinberg <zack@codesourcery.com>
12601
12602 * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as
12603 appropriate. Document need for extended precision even when
12604 MAX_LONG_DOUBLE_TYPE_SIZE is smaller. Define REAL_WIDTH here,
12605 based on REAL_VALUE_TYPE_SIZE. Use REAL_WIDTH to size
12606 REAL_VALUE_TYPE. Define CONST_DOUBLE_FORMAT here. Use #error
12607 instead of relying on later syntax error when REAL_WIDTH > 5.
12608 * real.c: Define NE based only on whether or not we have a
12609 full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT).
12610 Require sizeof(REAL_VALUE_TYPE) == 2*NE. Unconditionally
12611 define GET_REAL and PUT_REAL as simple memcpy operations; no
12612 need to byteswap or round.
12613 Use #error instead of #ifdef-ing out the entire file, for
12614 prompt error detection.
12615
12616 * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here.
12617
12618 2002-04-18 David S. Miller <davem@redhat.com>
12619
12620 * config/sparc/sparc.h (BRANCH_COST): Define.
12621
12622 * fold-const.c (BRANCH_COST): Don't provide default here, expr.h
12623 does it.
12624
12625 2002-04-18 Hans-Peter Nilsson <hp@bitrange.com>
12626
12627 * flow.c (update_life_info): Ignore return value of cleanup_cfg.
12628 Mask out PROP_SCAN_DEAD_CODE | PROP_KILL_DEAD_CODE in
12629 propagate_block calls after relaxation loop using new variable
12630 stabilized_prop_flags.
12631
12632 2002-04-18 Richard Henderson <rth@redhat.com>
12633
12634 * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
12635 (ia64_va_arg): Expect variable sized types by reference.
12636 * config/ia64/ia64-protos.h: Update.
12637 * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
12638 ia64_function_arg_pass_by_reference.
12639
12640 2002-04-18 Richard Henderson <rth@redhat.com>
12641
12642 * ifcvt.c: Include except.h.
12643 (block_has_only_trap): Break out from find_cond_trap.
12644 (find_cond_trap): Use it. Always delete the trap block.
12645 (merge_if_block): Allow then block null. Be less simplistic about
12646 what insns can end a block.
12647 * Makefile.in (ifcvt.o): Depend on except.h.
12648
12649 * config/ia64/ia64.md (trap, conditional_trap): New.
12650
12651 2002-04-18 Jakub Jelinek <jakub@redhat.com>
12652
12653 PR c/6358
12654 * function.c (assign_parms): Assign hard current_function_return_rtx
12655 register here...
12656 (expand_function_end): ...not here.
12657
12658 2002-04-18 Neil Booth <neil@daikokuya.demon.co.uk>
12659
12660 * c-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
12661 * c-tree.h (c_incomplete_type_error): New.
12662 * c-typeck.c (require_complete_type, build_component_ref): Update.
12663 (incomplete_type_error): Rename.
12664 * langhooks-def.h (lhd_incomplete_type_error): New.
12665 (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): New.
12666 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
12667 * langhooks.c (lhd_incomplete_type_error): New.
12668 * langhooks.h (struct lang_hooks_for_types): New hook.
12669 * tree.c (size_in_bytes): Use new hook.
12670 * tree.h (incomplete_type_error): Remove.
12671 objc:
12672 * objc-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
12673
12674 2002-04-18 Zack Weinberg <zack@codesourcery.com>
12675
12676 * config/arc/arc.md: Remove #if HOST_FLOAT_FORMAT !=
12677 TARGET_FLOAT_FORMAT blocks.
12678
12679 2002-04-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12680
12681 * doc/install.texi (Downloading the source): Do not mention Chill
12682 any longer, but mention Ada.
12683 (Configuration): Do not mention Chill any longer.
12684
12685 2002-04-18 Hans-Peter Nilsson <hp@axis.com>
12686
12687 * config/cris/cris.h (TARGET_VERSION): Remove local version number.
12688
12689 Thu Apr 18 17:14:08 CEST 2002 Jan Hubicka <jh@suse.cz>
12690
12691 * i386.h (SSE_FLOAT_MODE_P): Fix bogus conflict resolution
12692 in last patch.
12693
12694 2002-04-18 Jakub Jelinek <jakub@redhat.com>
12695
12696 * fold-const.c (fold): Use (*lang_hooks.types.unsigned_type)
12697 instead of unsigned_type.
12698
12699 Thu Apr 18 15:49:12 CEST 2002 Jan Hubicka <jh@suse.cz>
12700
12701 * i386.h (SSE_FLOAT_MODE_P): Kill bogus TARGET_SSE_MATH check.
12702 * i386.md (sse_mov?fcc*): Swap operands for cases they will be swapped
12703 later.
12704
12705 2002-04-18 Bernd Schmidt <bernds@redhat.com>
12706
12707 * attribs.c (vector_type_node_list): New static variable.
12708 (handle_vector_size_attribute): Use it to avoid generating a
12709 new type node each time we are called.
12710
12711 * combine.c (subst): Avoid trying to make a vector mode subreg of
12712 an integer constant.
12713 (gen_lowpart_for_combine): Likewise.
12714
12715 2002-04-18 Roger Sayle <roger@eyesopen.com>
12716 Jakub Jelinek <jakub@redhat.com>
12717
12718 * fold-const.c (fold) [NOP_EXPR]: Convert (T)(x&c) into ((T)x&(T)c)
12719 for integer constant c (if x has unsigned type or sign bit is not
12720 set in c). This folds the zero/sign extension into the bit-wise and
12721 operation.
12722
12723 2002-04-18 Jakub Jelinek <jakub@redhat.com>
12724
12725 PR middle-end/6205
12726 * config/i386/i386.md (movsf_1): Use pxor only if TARGET_SSE2,
12727 otherwise xorps.
12728
12729 2002-04-17 NIIBE Yutaka <gniibe@m17n.org>
12730
12731 * config/sh/elf.h: Undefine ASM_OUTPUT_CASE_LABEL.
12732
12733 2002-04-17 Nick Clifton <nickc@cambridge.redhat.com>
12734
12735 * gcc.c (read_specs): Detect and fail if an attempt is made to
12736 rename a spec string to an already existing string.
12737
12738 2002-04-17 Ulrich Weigand <uweigand@de.ibm.com>
12739
12740 * config/s390/s390.c (legitimize_pic_address): Do not generate
12741 illegal address constant without CONST.
12742
12743 2002-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12744
12745 * sparc/linux64.h (CC1_SPEC): Error for -m32 and -m64.
12746 * sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
12747
12748 2002-04-17 Ulrich Weigand <uweigand@de.ibm.com>
12749
12750 PR optimization/6305
12751 * config/s390/s390.c (s390_expand_plus_operand): Use find_replacement
12752 to make sure previous reloads are taken into account. Generate
12753 better code if one operand is an in-range immediate constant.
12754
12755 2002-04-16 Andrew Haley <aph@cambridge.redhat.com>
12756
12757 * doc/install.texi (Building): libgcj requires GNU make.
12758
12759 2002-04-17 Jakub Jelinek <jakub@redhat.com>
12760
12761 PR bootstrap/6315
12762 * config/sparc/sparc.md (movtf reg<-reg split): Allow spliting
12763 even if hard quad and register is not floating.
12764 (movtf reg<-mem split): Disallow splitting if hard quad and
12765 register is floating.
12766 (movtf mem<-reg split): Likewise.
12767 * config/sparc/sparc.c (fp_register_operand): New predicate.
12768 * config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand.
12769
12770 2002-04-17 Zack Weinberg <zack@codesourcery.com>
12771
12772 * Makefile.in (PROTO_OBJS): Add cppdefault.o.
12773 (protoize.o): Take $(PREPROCESSOR_DEFINES) off command line.
12774 (unprotoize.o): Ditto. Build from protoize.c. Define
12775 UNPROTOIZE on command line.
12776 * protoize.c: Include cppdefault.h. Delete include_defaults.
12777 (in_system_include_dir): Use cpp_include_defaults (defined in
12778 cppdefault.o).
12779 * unprotoize.c: Delete file.
12780
12781 2002-04-17 Aldy Hernandez <aldyh@redhat.com>
12782
12783 * config/rs6000/altivec.h (vec_ld): Add array variants.
12784 (vec_lde): Same.
12785 (vec_ldl): Same.
12786
12787 2002-04-17 Alan Matsuoka <alanm@redhat.com>
12788 Aldy Hernandez <aldyh@redhat.com>
12789
12790 * config/rs6000/altivec.h: Define __ALTIVEC__.
12791 (bool): New.
12792 (__pixel): New.
12793 (pixel): New.
12794 (vec_cfux): New.
12795 (vec_vmaddfp): New.
12796 (vec_vsldoi): New.
12797 Add parentheses to all macro arguments.
12798
12799 2002-04-16 Richard Henderson <rth@redhat.com>
12800
12801 PR c++/6320
12802 * except.c (remove_eh_handler): Insert inner regions at beginning
12803 of sibling chain. Refactor expressions.
12804
12805 2002-04-16 Richard Henderson <rth@redhat.com>
12806
12807 * config/sparc/sol2-bi.h (AS_SPARC64_FLAG): New.
12808 * config/sparc/sol2-gas-bi.h: New file.
12809 * config.gcc (sparc*-solaris): Add it as needed.
12810 * configure.in (AS_SPARC64_FLAG): Remove check.
12811 * config.in, configure: Regenerate.
12812
12813 * config/sparc/sol2-bi.h (CC1_SPEC): Error for -m32 and -m64.
12814
12815 2002-04-16 Richard Henderson <rth@redhat.com>
12816
12817 * config/mips/mips.c (override_options): Don't override N32 for
12818 a 64-bit ISA.
12819
12820 PR 6202
12821 * config/mips/mips.md (can_delay): Split out of existing define_delays.
12822 (HILO_delay): Set can_delay false.
12823
12824 2002-04-16 Dale Johannesen <dalej@apple.com>
12825
12826 * config/rs6000/rs6000.c (rs6000_output_function_prologue): Compute
12827 instruction addresses.
12828 (rs6000_output_function_epilogue): Likewise.
12829
12830 2002-04-16 Paolo Carlini <pcarlini@unitus.it>
12831
12832 * c-parse.in (poplevel, compstmt_start,
12833 compstmt_primary_start): Add ending ';', in accordance
12834 with POSIX.
12835
12836 2002-04-16 Richard Henderson <rth@redhat.com>
12837
12838 * config.gcc (sparcv9-solaris): Configure for 64-bit default.
12839 Adjust tm_file order to get TARGET_DEFAULT set properly.
12840 (sparc-solaris): Configure 2.[78] for 64-bit multilibs.
12841 * doc/install.texi (sparc-solaris): Update.
12842
12843 2002-04-16 Dale Johannesen <dalej@apple.com>
12844
12845 * config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
12846 comparison operands do not match each other or if modes of
12847 conditions do not match result.
12848
12849 2002-04-16 Hartmut Penner <hpenner@de.ibm.com>
12850
12851 PR target/6305
12852 * config/s390/s390.md (mulsidi3): Set both subregs of the
12853 multiword register.
12854
12855 2002-04-16 Aldy Hernandez <aldyh@redhat.com>
12856
12857 * config/rs6000/altivec.h (vec_addc): Type check.
12858
12859 2002-04-16 Jakub Jelinek <jakub@redhat.com>
12860
12861 PR middle-end/6279
12862 * expr.c (store_expr): Don't copy if DECL_RTL (exp) == target.
12863
12864 * expr.c (safe_from_p): Cleanup: use DECL_RTL_IF_SET.
12865
12866 2002-04-15 Richard Henderson <rth@redhat.com>
12867
12868 * config/mips/abi64.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Set
12869 call_really_used_regs too.
12870
12871 2002-04-15 Richard Henderson <rth@redhat.com>
12872
12873 * config/alpha/gnu.h (CPP_PREDEFINES): Underscores for gnu_hurd.
12874
12875 2002-04-15 David S. Miller <davem@redhat.com>
12876
12877 * rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
12878 as being CLOBBERed.
12879
12880 2002-04-16 Jakub Jelinek <jakub@redhat.com>
12881
12882 PR c/6290
12883 * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
12884 CONST_VECTOR is { 0, ... 0 }.
12885
12886 2002-04-15 Loren J. Rittle <ljrittle@acm.org>
12887
12888 * doc/install.texi (Installing GCC: Configuration): Clarify
12889 the only supported ways to configure gcc.
12890
12891 2002-04-15 Roland McGrath <roland@frob.com>
12892
12893 * config.gcc (alpha*-*-gnu*): New target configuration.
12894 * config/alpha/gnu.h: New file for it.
12895 * config/gnu.h (TARGET_MEM_FUNCTIONS): #undef before #define.
12896
12897 2002-04-16 Mark Mitchell <mark@codesourcery.com>
12898
12899 * c-common.h (STMT_EXPR_NO_SCOPE): New macro.
12900 * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE.
12901 * tree.h (expand_start_stmt_expr): Update prototype.
12902 * stmt.c (expand_start_stmt_expr): Add has_scope parameter.
12903 * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE
12904 on the STMT_EXPR created for the inline function.
12905
12906 2002-04-15 Richard Henderson <rth@redhat.com>
12907
12908 * config/alpha/linux.h, config/arm/linux-elf.h, config/i370/linux.h,
12909 config/i386/linux-aout.h, config/i386/linux-oldld.h,
12910 config/i386/linux.h, config/i386/linux64.h, config/ia64/linux.h,
12911 config/m68k/linux-aout.h, config/m68k/linux.h, config/mips/linux.h,
12912 config/pa/pa-linux.h, config/pj/linux.h, config/s390/linux.h,
12913 config/sh/linux.h, config/sparc/linux-aout.h, config/sparc/linux.h,
12914 config/sparc/linux64.h, config/xtensa/linux.h (CPP_PREDEFINES):
12915 Define __gnu_linux__, not gnu_linux.
12916 * config/rs6000/sysv4.h (CPP_OS_GNU_SPEC): Likewise for gnu_hurd.
12917
12918 2002-04-15 Mark Mitchell <mark@codesourcery.com>
12919
12920 Remove Chill front end.
12921 * gcc.c (default_compilers): Remove Chill entries.
12922 * ch: Remove directory.
12923 * doc/frontends.texi: Remove information about Chill.
12924 * doc/sourcebuild.texi: Likewise.
12925 * doc/standards.texi: Likewise.
12926
12927 2002-04-15 Douglas B Rupp <rupp@gnat.com>
12928
12929 * config/alpha/vms.h (INCLUDE_DEFAULTS): Add /gnu/lib/gcc-lib/include.
12930 (LONGLONG_STANDALONE): Define.
12931
12932 2002-04-15 David S. Miller <davem@redhat.com>
12933
12934 * config/sparc/sparc.c (sparc_emit_float_lib_cmp):
12935 Call emit_library_call with LCT_NORMAL.
12936 (sparc_initialize_trampoline): Use LCT_foo instead of
12937 magic constant in emit_library_call invocations.
12938 (sparc64_initialize_trampoline): Likewise.
12939 (sparc_profile_hook): Likewise.
12940 * config/sparc/sparc.md: Likewise.
12941
12942 * config/sparc/sparc.c (sparc_extra_constraint_check):
12943 Fix type of argument 'c'.
12944 * config/sparc/sparc-protos.h (sparc_extra_constraint_check):
12945 Likewise.
12946
12947 2002-04-15 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
12948
12949 * diagnostic.h (output_buffer_state): Redefine.
12950 (output_format_decoder): New macro.
12951 (output_prefixing_rule): Likewise.
12952 (output_line_cutoff): Likewise.
12953 (diagnostic_format_decoder): Adjust.
12954 (diagnostic_prefixing_rule): Likewise.
12955 (diagnostic_line_cutoff): Likewise.
12956 (diagnostic_state): Likewise.
12957 (diagnostic_kind_count): Likewise.
12958 (diagnostic_buffer): Now a macro.
12959
12960 * diagnostic.c (diagnostic_buffer): Remove definition.
12961 (output_is_line_wrapping): Adjust.
12962 (set_real_maximum_length): Likewise.
12963 (output_set_maximum_length): Likewise.
12964 (init_output_buffer): Likewise.
12965 (lhd_print_error_function): Likewise.
12966 (output_do_verbatim): Likewise.
12967
12968 2002-04-14 Neil Booth <neil@daikokuya.demon.co.uk>
12969
12970 * cpperror.c (print_location): Don't print include chain
12971 if line == 0.
12972 (cpp_begin_message): Update to use DL_ macros.
12973 (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
12974 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
12975 cpp_notice, cpp_notice_from_errno): Remove.
12976 (cpp_error, cpp_error_with_line): Update to take a diagnostic
12977 level.
12978 (cpp_errno): New.
12979 * cppexp.c (CPP_ICE): Remove.
12980 (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined,
12981 lex, integer_overflow, _cpp_parse_expr): Update.
12982 * cppfiles.c (read_include_file, find_include_file,
12983 handle_missing_header, _cpp_read_file, remap_filename): Update.
12984 * cpphash.h (enum error_type): Remove.
12985 (_cpp_begin_message): Update.
12986 * cppinit.c (append_include_chain, remove_dup_dirs, output_deps,
12987 cpp_handle_option, cpp_post_options): Update.
12988 * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment,
12989 skip_whitespace, parse_identifier, parse_slow, parse_string,
12990 _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape,
12991 cpp_interpret_charconst): Update.
12992 * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive,
12993 lex_macro_node, do_undef, glue_header_name, parse_include,
12994 do_include_common, read_flag, do_line, do_linemarker, do_ident,
12995 cpp_register_pragma, do_pragma_once, do_pragma_system_header,
12996 do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else,
12997 do_elif, do_endif, parse_answer, parse_assertion, do_assert,
12998 _cpp_pop_buffer, do_diagnostic): Update.
12999 * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR,
13000 DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New.
13001 (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
13002 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
13003 cpp_notice, cpp_notice_from_errno): Remove.
13004 (cpp_error, cpp_error_with_line): Update to take a diagnostic
13005 level.
13006 (cpp_errno): New.
13007 * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens,
13008 collect_args, enter_macro_context, save_parameter, parse_params,
13009 _cpp_create_definition, check_trad_stringification,
13010 cpp_macro_definition): Update.
13011 * cppmain.c (cpp_preprocess_file): Update.
13012 * fix-header.c (read_scan_file): Update.
13013
13014 2002-04-14 Andreas Schwab <schwab@suse.de>
13015
13016 * config/ia64/linux.h (CPP_PREDEFINES): Fix missing backslash.
13017
13018 2002-04-14 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
13019
13020 * config/arm/linux-elf.h (CPLUSPLUS_CPP_SPEC): Define.
13021
13022 2002-04-13 Mark Mitchell <mark@codesourcery.com>
13023
13024 * config/i386/gnu.h (CPP_PREDEFINES): Define __gnu_hurd__,
13025 not gnu_hurd.
13026
13027 2002-04-13 Hans-Peter Nilsson <hp@axis.com>
13028
13029 * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Fix typo.
13030
13031 2002-04-13 Joel Sherrill <joel@OARcorp.com>
13032
13033 * config/sparc/t-elf: Enable v8 multilibs. Impacts
13034 sparc-elf and sparc-rtems targets.
13035
13036 2002-04-13 Mark Mitchell <mark@codesourcery.com>
13037
13038 * alpha/linux.h: Define __gnu_linux__ wherever __linux__ is
13039 defined, and __gnu_hurd__ wherever __GNU__ is defined.
13040 * arm/linux-elf.h: Likewise.
13041 * cris/aout.h: Likewise.
13042 * cris/linux.h: Likewise.
13043 * i370/linux.h: Likewise.
13044 * i386/gnu.h: Likewise.
13045 * i386/linux-aout.h: Likewise.
13046 * i386/linux-oldld.h: Likewise.
13047 * i386/linux.h: Likewise.
13048 * i386/linux64.h: Likewise.
13049 * ia64/linux.h: Likewise.
13050 * m68k/linux-aout.h: Likewise.
13051 * m68k/linux.h: Likewise.
13052 * mips/linux.h: Likewise.
13053 * pa/pa-linux.h: Likewise.
13054 * pj/linux.h: Likewise.
13055 * rs6000/sysv4.h: Likewise.
13056 * s390/linux.h: Likewise.
13057 * sh/linux.h: Likewise.
13058 * sparc/linux-aout.h: Likewise.
13059 * sparc/linux.h: Likewise.
13060 * sparc/linux64.h: Likewise.
13061 * xtensa/linux.h: Likewise.
13062
13063 2002-04-13 Richard Sandiford <rsandifo@redhat.com>
13064
13065 * stmt.c (check_unique_operand_names): Expect operand names to
13066 be strings rather than identifiers. Use simple_cst_equal to
13067 compare them.
13068 (resolve_operand_name_1): Make same identifier to string change here.
13069 * c-parse.in (asm_operand): Convert a named operand into a string.
13070 * cp/parse.y (asm_operand): Likewise.
13071
13072 2002-04-13 Andreas Schwab <schwab@suse.de>
13073
13074 * config/ia64/ia64.h (CPP_SPEC): Include %(cpp_cpu).
13075
13076 2002-04-12 Mark Mitchell <mark@codesourcery.com>
13077
13078 Revert these changes:
13079
13080 2002-04-06 Mark Mitchell <mark@codesourcery.com>
13081
13082 PR c++/5571
13083 * stor-layout.c (layout_decl): Reset the RTL for the decl.
13084
13085 2002-04-12 Richard Henderson <rth@redhat.com>
13086
13087 * config.gcc (sparcv9-*-solaris2): Default to 32-bit code.
13088 (sparc*-*-solaris): Clean up header files.
13089 * configure.in (AS_SPARC64_FLAG): Error out if can't find it
13090 and plan on generating 64-bit code.
13091 * toplev.c (decode_g_option): Remove LINKER_DOES_NOT_WORK_WITH_DWARF2.
13092 * config/sparc/sol2-64.h: Delete and reuse for default 64-bit code.
13093 * config/sparc/sol2-sld-64.h: Rename ...
13094 * config/sparc/sol2-bi.h: ... here. Remove the bits that checked
13095 for AS_SPARC64_FLAG not defined.
13096 * config/sparc/sol2-gld-bi.h: New.
13097 * config/sparc/sol2-sld.h: Remove.
13098 * config/sparc/sol26-sld.h: New.
13099 * config/sparc/sol2.h: Tidy comments.
13100 * doc/install.texi: Document sparc-solaris configury changes.
13101
13102 2002-04-12 Richard Henderson <rth@redhat.com>
13103
13104 * recog.c (offsettable_address_p): Match the logic in adjust_address.
13105
13106 * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Handle TFmode
13107 in 64-bit mode only. Use only for 32-bit or MEDLOW.
13108
13109 2002-04-12 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13110
13111 * config/alpha/osf.h (LINK_SPEC): Pass -S to silence ld warnings.
13112
13113 Fri Apr 12 15:42:59 2002 Jeffrey A Law (law@redhat.com)
13114
13115 * pa.c (pa_can_combine_p): Call extract_insn before calling
13116 constrain_operands.
13117
13118 2002-04-12 Douglas B Rupp <rupp@gnat.com>
13119
13120 * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define.
13121 (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define.
13122 (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
13123 (CPP_PREDEFINES): Handle __declspec.
13124 * config/i386/t-interix (USER_H): Remove.
13125
13126 2002-04-12 DJ Delorie <dj@redhat.com>
13127
13128 * integrate.c (compare_blocks): Make comparisons safe for when
13129 sizeof(int) < sizeof(char *).
13130 (find_block): Likewise.
13131
13132 2002-04-12 Jan Hubicka <jh@suse.cz>
13133 David Edelsohn <edelsohn@gnu.org>
13134
13135 * config/rs6000/rs6000.c (call_operand): Allow LINK and COUNT
13136 registers.
13137 (symbol_ref_operand): New.
13138 * config/rs6000/rs6000.h (PREDICATE_CODES): Add symbol_ref_operand.
13139 * config/rs6000/rs6000.md (call_nonlocal_aix): Use symbol_ref_operand.
13140
13141 2002-04-12 Andreas Schwab <schwab@suse.de>
13142
13143 * config/ia64/ia64.h (ASM_SPEC): Moved from here ...
13144 * config/ia64/sysv4.h (ASM_SPEC): ... to here, so that it
13145 overrides the definition in config/svr4.h.
13146
13147 2002-04-12 Eric Norum <eric.norum@usask.ca>
13148
13149 * config/rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
13150 config/c4x/rtems.h, config/h8300/rtems.h, config/i386/rtems.h,
13151 config/i386/rtemself.h, config/i960/rtems.h, config/m68k/rtems.h,
13152 config/m68k/rtemself.h, config/mips/rtems.h, config/mips/rtems64.h,
13153 config/pa/rtems.h, config/rs6000/rtems.h, config/sh/rtems.h,
13154 config/sh/rtemself.h, config/sparc/rtems.h, config/sparc/rtemself.h,
13155 config/v850/rtems.h (*-rtems*): Cleanup pass to move common
13156 definitions to config/rtems.h and make the targets more similar.
13157
13158 Fri Apr 12 08:06:54 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13159
13160 * expr.c (expand_assigment): Remove duplicate conversions #ifdef
13161 POINTERS_EXTEND_UNSIGNED.
13162 (store_constructor, expand_expr, case COMPONENT_REF): Likewise.
13163 (store_expr): Use TYPE_MODE (sizetype), not ptr_mode.
13164
13165 * emit-rtl.c (widen_memory_access): Don't do anything if MEMOFFSET
13166 not specified.
13167
13168 Fri Apr 12 12:11:26 2002 J"orn Rennecke <joern.rennecke@superh.com>
13169
13170 * sh.c (calc_live_regs, sh_pr_n_sets): Use of PR_MEDIA_REG / PR_REG
13171 depends on TARGET_SHMEDIA, not TARGET_SH5.
13172
13173 2002-04-12 Hans-Peter Nilsson <hp@bitrange.com>
13174
13175 * function.c (fixup_var_refs_1) <SET, handling VAR in SET_SRC>:
13176 For paradoxical (subreg VAR), replace VAR, don't try the subreg.
13177
13178 Fri Apr 12 10:51:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
13179
13180 * sh.c (broken_move): Constant 0. / 1. load is OK if there is
13181 no r0 clobber.
13182
13183 2002-04-12 Andreas Schwab <schwab@suse.de>
13184
13185 * config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash.
13186
13187 2002-04-12 Richard Henderson <rth@redhat.com>
13188
13189 PR bootstrap/4191
13190 * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.
13191
13192 * flow.c (mark_used_reg): Manage reg_cond_dead properly for
13193 modes spanning multiple hard regs.
13194
13195 * recog.c (peephole2_optimize): Rebuild jump labels as needed.
13196
13197 2002-04-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
13198
13199 * pa.c (pa_output_function_prologue): Don't accumulate the total
13200 number of code bytes when using TARGET_64BIT, or gas, SOM and not
13201 the portable runtime.
13202 (output_deferred_plabels): Handle 64bit plabels.
13203 (output_cbranch): Use $PIC_pcrel$0 for pc relative relocations when
13204 generating pic code using the GAS assembler for object formats that
13205 are not SOM (ie., ELF32 and ELF64).
13206 (output_millicode_call): Check attribute type if attribute length is 28.
13207 Likewise use $PIC_pcrel$0. Only call get_attr_length and
13208 dbr_sequence_length once.
13209 (output_call): Likewise use $PIC_pcrel$0, and call get_attr_length and
13210 dbr_sequence_length once.
13211 * pa.h (TARGET_SOM): Define if not defined.
13212 * pa.md (pattern to load address of label): Likewise use $PIC_pcrel$0
13213 with GAS and not SOM.
13214 (jump, call_internal_reg, call_value_internal_reg): Likewise.
13215 * som.h (OBJ_SOM): Rename to TARGET_SOM. Undefine before defining.
13216
13217 2002-04-11 David O'Brien <obrien@FreeBSD.org>
13218
13219 * config/freebsd.h (NO_IMPLICIT_EXTERN_C, SCCS_DIRECTIVE): Give value.
13220 (DEFAULT_PCC_STRUCT_RETURN) Do not redefine.
13221 (USER_LABEL_PREFIX, HANDLE_SYSV_PRAGMA, IDENT_ASM_OP,
13222 DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
13223 elfos.h and dbxelf.h values are fine now.
13224 * config/i386/freebsd.h, config/alpha/freebsd.h
13225 (DEFAULT_PCC_STRUCT_RETURN): Define to 0.
13226
13227 2002-04-11 David O'Brien <obrien@FreeBSD.org>
13228
13229 * config/ia64/aix.h (CPP_PREDEFINES): Do not define _LP64/__LP64__
13230 or set Acpu or Amachine. Reformat.
13231 (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
13232 define.
13233 (LINK_SPEC): Do not need to undef.
13234 * config/ia64/elf.h (ASM_EXTRA_SPEC): Define.
13235 * config/ia64/freebsd.h (LINK_SPEC): Do not need to undef.
13236 (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
13237 define.
13238 * config/ia64/hpux.h (ASM_EXTRA_SPEC): Define.
13239 (ASM_SPEC): Do not define, use ASM_EXTRA_SPEC instead.
13240 (LINK_SPEC): Do not need to undef.
13241 (DONT_USE_BUILTIN_SETJMP): Do not define.
13242 * config/ia64/ia64.h (ASM_SPEC, ASM_EXTRA_SPEC): Add.
13243 (CPP_CPU_SPEC): Define _LP64, set Acpu and Amachine. Remove -Dia64.
13244 (DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Define.
13245 Remove trailing spaces.
13246 * config/ia64/linux.h (CPP_PREDEFINES): Do not define _LP64/__LP64__,
13247 __ELF__, or set Acpu or Amachine. Reformat.
13248 (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
13249 define.
13250
13251 2002-04-11 David O'Brien <obrien@FreeBSD.org>
13252
13253 * config.gcc (ia64-*-freebsd*): Fix ordering of tm_files to match
13254 all other *-*-freebsd* targets.
13255
13256 2002-04-11 Richard Henderson <rth@redhat.com>
13257
13258 * config.gcc (alpha*-*-linux*ecoff): Detect and reject.
13259
13260 2002-04-11 David O'Brien <obrien@FreeBSD.org>
13261
13262 * config.gcc (alpha*-*-openbsd, alpha64-dec-*vms,alpha*-dec-*vms):
13263 Include {cpu}/{cpu}.h thru tm_file.
13264 (alpha*-*-linux*ecoff): Remove target.
13265 * config/alpha/elf.h (CPP_SUBTARGET_SPEC): Define __ELF__.
13266 (LINK_SPEC): Remove, is not OS independent.
13267 * config/alpha/freebsd.h (CPP_SPEC): Do not define __ELF__.
13268 (LINK_SPEC): Do not need to #undef any longer.
13269 * config/alpha/linux-ecoff.h (LINK_SPEC): Do not need to #undef
13270 any longer.
13271 * config/alpha/linux-elf.h (SUB_CPP_PREDEFINES): Do not define
13272 __ELF__.
13273 (LINK_SPEC): Moved here from alpha/elf.h.
13274 * config/alpha/linux.h (CPP_PREDEFINES): No longer consumer of
13275 SUB_CPP_PREDEFINES.
13276 * config/alpha/linux-ecoff.h: Remove.
13277 * config/alpha/netbsd.h (CPP_PREDEFINES): Do not define __ELF__.
13278 (CPP_SPEC): Define _POSIX_SOURCE as needed.
13279 (CPP_SUBTARGET_SPEC): Do not define.
13280 (LINK_SPEC): Do not need to #undef any longer.
13281 * config/alpha/openbsd.h: Do not directly include alpha/alpha.h.
13282 * config/alpha/vms.h: Likewise.
13283
13284 2002-04-11 Richard Sandiford <rsandifo@redhat.com>
13285
13286 * doc/extend.texi: Remove old claim that typedefs cannot have
13287 an alignment attribute.
13288
13289 2002-04-11 Jakub Jelinek <jakub@redhat.com>
13290
13291 PR optimization/6177
13292 * expr.c (expand_expr) [COMPONENT_REF]: Handle op0 CONCAT if
13293 bitpos is 0 and bitsize CONCAT size.
13294
13295 2002-04-11 Jakub Jelinek <jakub@redhat.com>
13296
13297 PR c/6223
13298 * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.
13299
13300 2002-04-10 David O'Brien <obrien@FreeBSD.org>
13301
13302 * config/alpha/freebsd.h: Minor reformatting.
13303 (CPP_SPEC): Define ELF and add cpp_subtarget.
13304 (ASM_SPEC): No longer needed.
13305
13306 2002-04-11 Richard Henderson <rth@redhat.com>
13307
13308 * config/sparc/sparc.md (movdi_insn_sp32): Add o/J alternative.
13309 (movdi_insn_sp32_v9): Likewise. Only allow stx with aligned memory.
13310 (dimode mem/zero splitter): New.
13311
13312 2002-04-11 Hans-Peter Nilsson <hp@axis.com>
13313
13314 * config/cris/cris.c (cris_override_options): Tweak error message
13315 for PIC not implemented.
13316
13317 * config/cris/cris.h: Tweak comments related to parameter-passing.
13318
13319 * t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.
13320
13321 2002-04-10 Richard Henderson <rth@redhat.com>
13322
13323 * except.c (add_ehl_entry): Allow duplicates after landing pad
13324 creation.
13325
13326 2002-04-10 David Edelsohn <edelsohn@gnu.org>
13327
13328 * config/rs6000/t-aix43 (SHLIB_NM_FLAGS): Add -X32_64.
13329
13330 2002-04-10 Toon Moene <toon@moene.indiv.nluug.nl>
13331
13332 * c-decl.c (c_init_decl_processing): Move generation of
13333 decls for g77_integer_type_node and friends from here ...
13334 * c-common.c (c_common_nodes_and_builtins): ... to here.
13335
13336 2002-04-10 Ulrich Weigand <uweigand@de.ibm.com>
13337
13338 * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM
13339 is only used as frame pointer when frame_pointer_needed is true.
13340
13341 2002-04-10 Richard Earnshaw <rearnsha@arm.com>
13342
13343 PR target/817
13344 * arm.md (arm_movdi): Adjust neg_pool_range attribute to allow
13345 for the fact that the pool entry uses two words.
13346 (movdf_hard_insn): Similarly. Also, ADR instruction can span
13347 1k bytes.
13348 (movdf_soft_insn): Similarly.
13349 (movxf_hard_insn): Adjust neg_pool_range attribute to allow
13350 for the fact that the pool entry uses three words.
13351
13352 2002-04-10 Richard Sandiford <rsandifo@redhat.com>
13353
13354 * config/mips/mips.c (mips_va_arg): When using the struct version
13355 of the EABI va_list, allow arguments in the register save area to
13356 take up less room than a stack argument.
13357
13358 2002-04-10 Richard Henderson <rth@redhat.com>
13359
13360 * expr.c (expand_expr) [INTEGER_CST]: Don't force into registers
13361 if EXPAND_INITIALIZER.
13362
13363 2002-04-09 Richard Henderson <rth@redhat.com>
13364
13365 * config/alpha/alpha.md (movdi_er_maybe_g): New.
13366 * config/alpha/alpha.c (alpha_expand_mov): Use it.
13367
13368 2002-04-10 Alan Modra <amodra@bigpond.net.au>
13369
13370 PR optimization/6233
13371 * rtlanal.c (pure_call_p): New function.
13372 * rtl.h (pure_call_p): Declare.
13373 * loop.c (prescan_loop): Use it to set has_nonconst_call.
13374 * gcse.c (store_killed_in_insn): Use pure_call_p here too.
13375
13376 2002-04-09 Eric Christopher <echristo@redhat.com>
13377
13378 * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Add additional
13379 information to .comm directive.
13380
13381 2002-04-09 Richard Henderson <rth@redhat.com>
13382
13383 PR c/5078
13384 * expr.c (expand_expr) [INTEGER_CST]: Force overflows into registers.
13385
13386 2002-04-09 Richard Henderson <rth@redhat.com>
13387
13388 * basic-block.h (flow_delete_block_noexpunge): Declare.
13389 (expunge_block_nocompact): Declare.
13390 * cfg.c (expunge_block_nocompact): Split out from ...
13391 (expunge_block): ... here.
13392 * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
13393 (flow_delete_block_noexpunge): Split out from ...
13394 (flow_delete_block): ... here.
13395 * cfgcleanup.c (delete_unreachable_blocks): Compact while
13396 removing dead blocks.
13397 * except.c (exception_handler_labels): Remove.
13398 (exception_handler_label_map): New.
13399 (struct eh_region): Add aka member.
13400 (mark_ehl_map_entry, mark_ehl_map, free_region): New.
13401 (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
13402 (for_each_eh_label, for_each_eh_label_1): New.
13403 (init_eh): Register exception_handler_label_map.
13404 (free_eh_status): Use free_region.
13405 (find_exception_handler_labels): Use the map, not the list.
13406 (remove_exception_handler_label): Likewise.
13407 (maybe_remove_eh_handler): Likewise.
13408 (remove_eh_handler): Use the region aka bitmap.
13409 * except.h (exception_handler_labels): Remove.
13410 (for_each_eh_label): Declare.
13411 * jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
13412 * loop.c (invalidate_loops_containing_label): New.
13413 (find_and_verify_loops): Use it. Use for_each_eh_label.
13414 * sched-rgn.c (is_cfg_nonregular): Use
13415 current_function_has_exception_handlers.
13416
13417 2002-04-09 Richard Henderson <rth@redhat.com>
13418
13419 * sbitmap.c (sbitmap_union_of_diff, sbitmap_a_and_b, sbitmap_a_xor_b,
13420 sbitmap_a_or_b, sbitmap_a_or_b_and_c, sbitmap_a_and_b_or_c):
13421 Do not return changed status.
13422 (sbitmap_union_of_diff_cg, sbitmap_a_and_b_cg, sbitmap_a_xor_b_cg,
13423 sbitmap_a_or_b_cg, sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c_cg):
13424 New functions that do return changed status.
13425 * sbitmap.h: Update decls.
13426 * gcse.c, lcm.c: Use _cg functions as needed.
13427
13428 Tue Apr 9 19:15:57 2002 J"orn Rennecke <joern.rennecke@superh.com>
13429
13430 * config.gcc (sh-*-elf*): Use sh/embed-elf.h instead of sh/elf.h.
13431 (sh64-*-elf*, sh-*-rtemself*): Likewise.
13432 * config/sh/embed_bb.c: New file.
13433 * config/sh/embed-elf.h: New file.
13434 * sh.h (CPP_SPEC): Supply __SIZE_TYPE__ and __PTRDIFF_TYPE__
13435 if -m[12345]* option is given. Don't use subtarget_cpp_ptr_spec.
13436 (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
13437 __PTRDIFF_TYPE__ .
13438 (SUBTARGET_CPP_PTR_SPEC): Don't define.
13439 (EXTRA_SPECS): Remove subtarget_cpp_ptr_spec.
13440 Add subtarget_asm_endian_spec.
13441 (ASM_SPEC): Use subtarget_asm_endian_spec.
13442 (SUBTARGET_ASM_ENDIAN_SPEC): Define.
13443 (RETURN_ADDR_RTX): Use PR_MEDIA_REG for TARGET_SH5.
13444 (WCHAR_UNSIGNED): Define.
13445 (SH_ELF_WCHAR_TYPE, SH_DBX_REGISTER_NUMBER): Define.
13446 (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
13447 (ALLOCATE_INITIAL_VALUE): Use PR_MEDIA_REG for TARGET_SH5.
13448 Fix value.
13449 * sh.c (calc_live_regs): Use PR_MEDIA_REG for TARGET_SH5.
13450 (sh_adjust_cost): Likewise.
13451 sh64.h (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
13452 __PTRDIFF_TYPE__ .
13453 (SUBTARGET_CPP_PTR_SPEC, WCHAR_TYPE): Don't #undef/ #define.
13454 (WCHAR_TYPE_SIZE): Likewise.
13455 (ASM_SPEC): Use subtarget_asm_endian_spec.
13456 (SH_ELF_WCHAR_TYPE): #undef/ #define.
13457 (MAX_WCHAR_TYPE_SIZE): Don't #undef.
13458 * config/sh/elf.h (WCHAR_UNSIGNED): #undef .
13459 (MAX_WCHAR_TYPE_SIZE): Don't #define .
13460 (WCHAR_TYPE, WCHAR_TYPE_SIZE): #undef / #define .
13461 (USER_LABEL_PREFIX): Don't #undef /#define .
13462 (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
13463 * config/elf/linux.h (USER_LABEL_PREFIX): Don't #undef /#define .
13464 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Likewise.
13465 (ASM_SPEC): Likewise.
13466 (SUBTARGET_ASM_ENDIAN_SPEC): #undef / #define .
13467 (CC1_SPEC): don't supply -m3 for -m4*, -m5*.
13468 * t-sh: (LIB1ASMFUNCS): Use LIB1ASMFUNCS_CACHE.
13469 (LIB2FUNCS_EXTRA): Define.
13470 * t-sh64 (LIB2FUNCS_EXTRA): Define.
13471 * config/sh/t-linux (LIB1ASMFUNCS): Don't redefine.
13472 (LIB1ASMFUNCS_CACHE): Define.
13473 (LIB2FUNCS_EXTRA): Redefine empty.
13474
13475 2002-04-08 Richard Henderson <rth@redhat.com>
13476
13477 * reorg.c (get_branch_condition): Use reversed_comparison_code.
13478
13479 2002-04-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
13480
13481 * config/m68hc11/larith.asm (__map_data_section): Fix condition
13482 and optimize for size.
13483 (__do_global_ctors): Fix pointer comparison.
13484 (__do_global_dtors): Likewise.
13485
13486 2002-04-09 David S. Miller <davem@redhat.com>
13487
13488 * config/sparc/sparc.c (sparc_extra_constraint_check): New
13489 function, implementing EXTRA_CONSTRAINTS. For memory constraints,
13490 allow reloading pseudos.
13491 * config/sparc/sparc.h (EXTRA_CONSTRAINTS): Use it.
13492 * config/sparc/sparc-protos.h: Declare it.
13493
13494 * config/sparc/sparc.c (const64_is_2insns): Kill signed vs.
13495 unsigned comparison warning.
13496 (output_restore_regs): Mark leaf_function as unused.
13497
13498 Tue Apr 9 09:35:45 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13499
13500 * expr.c (is_aligning_offset): New function.
13501 (expand_expr, case COMPONENT_EXPR): Call it.
13502
13503 2002-04-08 David S. Miller <davem@redhat.com>
13504
13505 PR target/6082
13506 * config/sparc/freebsd.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDLOW
13507
13508 Make init_priority work on Sparc when using GNU ld.
13509 * config/sparc/linux.h, config/sparc/linux64.h,
13510 config/sparc/netbsd-elf.h, config/sparc/freebsd.h
13511 (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undefine.
13512 * config/sparc/sol2-gld.h: New file to do the same.
13513 * config.gcc (sparc*-*-solaris2*): If gnu_ld=yes add
13514 sparc/sol2-gld.h to tm_file.
13515
13516 PR optimization/4328
13517 * config/sparc/sparc.h (EXTRA_CONSTRAINT): Add new constraint 'W'.
13518 * doc/md.texi: Document it.
13519 * config/sparc/sparc.md (movdi_insn_sp64_novis,
13520 movdi_insn_sp64_vis, movdf_insn_sp32, movdf_insn_v9only_novis,
13521 movdf_insn_v9only_vis, movdf_insn_sp64_novis,
13522 movdf_insn_sp64_vis): Use it as MEM constraing with 'e' registers.
13523 * config/sparc/sparc.c (mem_min_alignment): Fix comment.
13524
13525 2002-04-08 Andreas Jaeger <aj@suse.de>
13526
13527 * stmt.c (expand_asm_operands): Revert last patch from Richard
13528 Henderson.
13529
13530 2002-04-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13531
13532 * doc/contrib.texi (Contributors): Add John David Anglin and Loren
13533 J. Rittle (the latter also to Testers). Update David O'Brien's entry.
13534
13535 2002-04-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13536
13537 * doc/contrib.texi (Contributors): Add David O'Brien.
13538
13539 2002-04-08 Alan Modra <amodra@bigpond.net.au>
13540
13541 * configure.in (auto-build.h): Use target_alias and build_alias
13542 when running configure.
13543 (gcc_cv_as, gcc_cv_ld): Search install paths when build != host too.
13544 (gcc_cv_nm, gcc_cv_objdump): Set for build != host too.
13545 * configure: Regenerate.
13546
13547 2002-04-07 David S. Miller <davem@redhat.com>
13548
13549 * config.gcc (sparc64-*-linux*): Add t-crtfm to tmake_file.
13550
13551 2002-04-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
13552
13553 PR 5933
13554 * pa.h (ASM_OUTPUT_MI_THUNK): Use indirect jump to target function when
13555 generating 32-bit pic code.
13556
13557 2002-04-06 Jason Thorpe <thorpej@wasabisystems.com>
13558
13559 * cppinit.c (cpp_create_reader): Initialize
13560 discard_comments_in_macro_exp.
13561 (COMMAND_LINE_OPTIONS): Add "-CC" option.
13562 (cpp_handle_option): Handle "-CC" option.
13563 * cpplex.c (save_comment): If saving a C++ comment in
13564 a directive, convert it to a C comment.
13565 (_cpp_lex_direct): Pass second comment start character to
13566 save_comment to indicate comment type.
13567 * cpplib.c (_cpp_handle_directive): If processing
13568 a "#define" directive and discard_comments_in_macro_exp
13569 is false, re-enable saving of comments.
13570 (lex_macro_node): If discard_comments_in_macro_exp is false,
13571 discard any comments before the macro identifier.
13572 * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
13573 member.
13574 * cppmacro.c (cpp_get_token): If expanding a macro while
13575 processing a directive, discard any comments we might encounter.
13576 (parse_params): If discard_comments_in_macro_exp is false,
13577 ignore comments in the macro parameter list.
13578 * gcc.c (cpp_unique_options): Add "-CC" option.
13579 (option_map): Map "--comments-in-macros" to "-CC".
13580 * doc/cppopts.texi: Document "-CC" option.
13581 * f/lang-specs.h: Add "-CC" option.
13582 * testsuite/gcc.dg/cpp/maccom1.c: New test.
13583 * testsuite/gcc.dg/cpp/maccom2.c: New test.
13584 * testsuite/gcc.dg/cpp/maccom3.c: New test.
13585 * testsuite/gcc.dg/cpp/maccom4.c: New test.
13586 * testsuite/gcc.dg/cpp/maccom5.c: New test.
13587 * testsuite/gcc.dg/cpp/maccom6.c: New test.
13588
13589 2002-04-06 John David Anglin <dave@hiauly1.hia.nrc.ca>
13590
13591 PR middle-end/6180
13592 * reorg.c (dbr_schedule): Don't reposition prologue and epilogue notes.
13593
13594 2002-04-06 Mark Mitchell <mark@codesourcery.com>
13595
13596 PR c++/5571
13597 * stor-layout.c (layout_decl): Reset the RTL for the decl.
13598
13599 PR opt/5120
13600 * sibcall.c (optimize_sibling_and_tail_recursive_call): Clear
13601 RTX_UNCHANGING_P for the functions arguments when a tail call
13602 is made.
13603
13604 2002-04-06 Jason Merrill <jason@redhat.com>
13605
13606 * toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
13607 (parse_options_and_default_flags): Set them appropriately.
13608 * c-common.c (c_common_post_options): Don't set flag_really_no_inline.
13609
13610 2002-04-06 Hans-Peter Nilsson <hp@bitrange.com>
13611
13612 * config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
13613 here.
13614
13615 * config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
13616 semicolon.
13617
13618 * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
13619 types come in by-reference. Fix typo in comment.
13620
13621 2002-04-05 David S. Miller <davem@redhat.com>
13622
13623 * config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits.
13624 * config.gcc (sparc64-wrs-vxworks, sparc-*-chorusos,
13625 sparc-*-rtems*, sparclite-*-elf* sparc86x-*-elf*, sparc64-*-elf*,
13626 {sparc64,ultrasparc}-*-freebsd*): Add sparc/t-crtfm to tmake_file.
13627
13628 2002-04-05 David S. Miller <davem@redhat.com>
13629
13630 * config/sparc/sparc.c (sparc_nonflat_function_epilogue): If we
13631 are not going to emit return instructions, emit at least a nop
13632 for the sake of sane backtraces.
13633
13634 2002-04-05 Richard Henderson <rth@redhat.com>
13635
13636 * doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).
13637
13638 2002-04-05 Jakub Jeilnek <jakub@redhat.com>
13639
13640 * mklibgcc.in: Use $tmpmapfile, not tmp-$@.
13641
13642 2002-04-05 Alexandre Oliva <aoliva@redhat.com>
13643
13644 * config/mips/mips.h (ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE,
13645 ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
13646 ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Disable if TARGET_MIPS16.
13647
13648 2002-04-05 Andreas Schwab <schwab@suse.de>
13649
13650 * c-convert.c: Include c-common.h.
13651 * Makefile.in (c-convert.o): Updated.
13652
13653 2002-04-05 Jakub Jelinek <jakub@redhat.com>
13654
13655 * mklibgcc.in: Use separate libgcc.map for each multilib.
13656 * Makefile.in (distclean): Don't remove libgcc.map here.
13657
13658 2002-04-05 Jakub Jelinek <jakub@redhat.com>
13659
13660 * Makefile.in (s-mlib): Handle --disable-multilib by separate
13661 genmultilib invocation.
13662
13663 2002-04-04 Richard Sandiford <rsandifo@redhat.com>
13664
13665 * config/mips/mips.h (CUMULATIVE_ARGS): Rename fp_regs to num_fprs
13666 to avoid clash with Irix header file sys/ucontext.h. Rename gp_regs
13667 to num_gprs for symmetry.
13668 * config/mips/mips.c: Adjust accordingly.
13669
13670 2002-04-04 Neil Booth <neil@daikokuya.demon.co.uk>
13671
13672 * c-common.c (truthvalue_conversion): Rename, update.
13673 * c-common.h (c_common_truthvalue_conversion): New.
13674 * c-convert.c (convert): Update.
13675 * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
13676 * c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update.
13677 * c-typeck.c (build_binary_op, build_unary_op,
13678 build_conditional_expr): Update.
13679 * fold-const.c (constant_boolean_node, fold): Use langhook.
13680 * langhooks-def.h (LANGHOOK_INITIALIZER): Update.
13681 * langhooks.h (struct lang_hooks): New hook.
13682 * stmt.c (expand_decl_cleanup): Use langhook.
13683 * tree.h (truthvalue_conversion): Remove.
13684 objc:
13685 * objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
13686
13687 2002-04-05 Alan Modra <amodra@bigpond.net.au>
13688
13689 * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtsavres.o
13690 Add rules to make null object file.
13691
13692 2002-04-04 Jim Blandy <jimb@redhat.com>
13693
13694 * cppmacro.c (cpp_macro_definition): Do not emit spaces after
13695 macro formal parameter names.
13696
13697 2002-04-04 David S. Miller <davem@redhat.com>
13698
13699 * calls.c (store_one_arg): If ECF_SIBCALL, use tail_call_reg.
13700
13701 2002-04-04 Richard Henderson <rth@redhat.com>
13702
13703 PR middle-end/5099
13704 * stmt.c (expand_asm_operands): Validate outputs vs asm_operand_ok.
13705 Support copies into and out of memory. Don't accept allows_reg
13706 and allows_mem as gospel.
13707
13708 2002-04-04 Richard Henderson <rth@redhat.com>
13709
13710 PR opt/6165
13711 * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict.
13712 (write_dependence_p): Likewise.
13713
13714 2002-04-04 Richard Henderson <rth@redhat.com>
13715
13716 * predict.c (estimate_bb_frequencies): Do frequency calculation
13717 with a volatile temporary.
13718
13719 2002-04-04 Ulrich Weigand <uweigand@de.ibm.com>
13720
13721 * config/s390/linux.h (LOCAL_LABEL_PREFIX): Define.
13722
13723 2002-04-04 Jakub Jelinek <jakub@redhat.com>
13724
13725 PR c++/6119
13726 * final.c (final_start_function): Don't bump profile_label_no here...
13727 (final_end_function): ...but here.
13728
13729 2002-04-04 Jakub Jelinek <jakub@redhat.com>
13730
13731 * config/sparc/sparc.md (pic): New attribute.
13732 (do_builtin_setjmp_setup): Save %fp, %i7 and %l7 for TARGET_V9
13733 into stack slots.
13734 (split after do_builtin_setjmp_setup): New.
13735
13736 2002-04-04 Jakub Jelinek <jakub@redhat.com>
13737
13738 PR fortran/6106
13739 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Backout 2001-01-01
13740 change.
13741
13742 2002-04-04 Jakub Jelinek <jakub@redhat.com>
13743
13744 * config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
13745 UNITS_PER_WORD for zero sized aggregates.
13746
13747 2002-04-03 David S. Miller <davem@redhat.com>
13748
13749 * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new
13750 one-character spec for this, just use %(link_gcc_c_sequence).
13751
13752 2002-04-03 David S. Miller <davem@redhat.com>
13753
13754 * config/sparc/crtfastmath.c (FPRS_NS): Delete bogus little-endian
13755 handling.
13756
13757 2002-04-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
13758
13759 * pa-linux.h (INCOMING_RETURN_ADDR_RTX): Move.
13760 (DWARF_FRAME_RETURN_COLUMN): Move.
13761 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
13762 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Define.
13763 * pa.c (except.h, predict.h): Include.
13764 (FRP): Delete.
13765 (store_reg_modify, set_reg_plus_d): Revise prototypes.
13766 (output_ascii): Add cast.
13767 (store_reg_modify): Revise to add frame notes.
13768 (set_reg_plus_d): Likewise.
13769 (compute_frame_size): Include space for eh data registers in frame if
13770 the current function calls eh_return.
13771 (hppa_expand_prologue): Ensure register %r2 is saved if the current
13772 function calls eh_return. Save eh data registers if the current
13773 function calls eh_return. Fix code to add frame notes. Emit
13774 blockage to prevent insns with frame notes being scheduled in the
13775 delay slot of calls.
13776 (hppa_expand_epilogue): Restore eh data registers and do final stack
13777 adjustment if the current function calls eh_return. Don't add frame
13778 notes.
13779 (output_call): Revise for change in length of call insn. Don't do
13780 return pointer adjustment for an unconditional jump in the delay slot
13781 of a call when using frame notes.
13782 * pa.h (EH_RETURN_DATA_REGNO): Revise for TARGET_64BIT compatibility.
13783 (EH_RETURN_HANDLER_RTX): Use saved value on stack.
13784 (ARG_POINTER_CFA_OFFSET): Define.
13785 * pa.md (return_external_pic): New pattern.
13786 (prologue): Correct formatting. Use return_external_pic if current
13787 function calls eh_return.
13788 (call_internal_symref, call_value_internal_symref,
13789 sibcall_internal_symref, sibcall_value_internal_symref): Change default
13790 lengths of short, long non-pic, and long pic calls to 8, 68, and 84,
13791 respectively.
13792 (exception_receiver): Use hppa_pic_save_rtx () to restore pic register.
13793
13794 * configure.in ("assembler dwarf2 debug_line support"): Add hppa*-*-* to
13795 list of targets to check using "nop" insn.
13796 * configure: Rebuilt.
13797
13798 2002-04-04 Alan Modra <amodra@bigpond.net.au>
13799
13800 * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Define.
13801
13802 2002-04-03 David S. Miller <davem@redhat.com>
13803
13804 * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): New spec to override the gcc/c
13805 library sequence passed to the linker.
13806 (LINK_COMMAND_SPEC): Use it.
13807 * doc/tm.texi: Document it, and mention from LINK_COMMAND_SPEC as
13808 a macro a target can use to avoid overriding LINK_COMMAND_SPEC.
13809 * config/sparc/sparc.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
13810
13811 2002-04-03 Jason Merrill <jason@redhat.com>
13812
13813 * except.c (struct eh_status): Remove protect_list.
13814 (begin_protect_partials, end_protect_partials): Remove.
13815 (add_partial_entry): Remove.
13816 * except.h: Remove prototypes.
13817
13818 * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use
13819 expand_decl_cleanup_eh.
13820
13821 PR c++/5636
13822 * tree.h (CLEANUP_EH_ONLY): New macro.
13823 * stmt.c (expand_decl_cleanup_eh): New fn.
13824 (expand_cleanups): Check CLEANUP_EH_ONLY.
13825 * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT.
13826 Use expand_decl_cleanup_eh.
13827 (expand_stmt): Adjust.
13828 * c-common.h: Adjust prototype.
13829
13830 2002-04-04 Hans-Peter Nilsson <hp@axis.com>
13831
13832 * config/cris/cris.c (cris_target_asm_function_prologue): Cast
13833 uses of PIC_OFFSET_TABLE_REGNUM to int to silence warnings.
13834 (cris_target_asm_function_epilogue): Ditto.
13835 (cris_initial_frame_pointer_offset): Ditto.
13836 (cris_simple_epilogue): Ditto.
13837 (cris_expand_builtin_va_arg): Variable-size types come in
13838 by-reference.
13839
13840 2002-04-03 David S. Miller <davem@redhat.com>
13841
13842 * config/sparc/crtfastmath.c (FPRS_NS): Get it right for
13843 little-endian.
13844 (set_fast_math): Correct 'fsr' type.
13845
13846 2002-04-03 Richard Henderson <rth@redhat.com>
13847
13848 PR opt/3569
13849 * langhooks.h (lang_hooks.decls.warn_unused_global): New.
13850 * toplev.c (check_global_declarations): Use it.
13851 * langhooks-def.h (lhd_warn_unused_global_decl): Declare.
13852 (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
13853 (LANG_HOOKS_DECLS): Add it.
13854 * langhooks.c (lhd_warn_unused_global_decl): New.
13855 * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
13856 * c-objc-common.c (c_warn_unused_global_decl): New.
13857 * c-tree.h (c_warn_unused_global_decl): Declare.
13858 * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
13859
13860 2002-04-03 Neil Booth <neil@daikokuya.demon.co.uk>
13861
13862 * langhooks-def.h (lhd_set_decl_assembler_name,
13863 LANG_HOOKS_SET_DECL_ASSEMBLER_NAME): New.
13864 (LANG_HOOKS_INITIALIZER): Update.
13865 * langhooks.c (lhd_set_decl_assembler_name): New, from tree.c
13866 * langhooks.h (struct lang_hooks): New hook.
13867 * tree.c (set_decl_assembler_name): Move to langhooks.c.
13868 (lang_set_decl_assembler_name): Remove.
13869 (init_obstacks): Don't set hook.
13870 (decl_assembler_name): New function.
13871 * tree.h (DECL_ASSEMBLER_NAME): Turn into a function call.
13872 (decl_assembler_name): New.
13873 (lang_set_decl_assembler_name): Remove.
13874
13875 2002-04-03 Jakub Jelinek <jakub@redhat.com>
13876
13877 * configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32()
13878 works properly with .hidden symbols.
13879 * configure: Rebuilt.
13880 * config.in: Rebuilt.
13881 * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13882 DW_EH_PE_absptr for flag_pic && GLOBAL if %r_disp32() doesn't work
13883 properly with .hidden symbols.
13884
13885 2002-04-03 Jakub Jelinek <jakub@redhat.com>
13886
13887 PR middle-end/6102
13888 * df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
13889 USE argument.
13890
13891 2002-04-03 Richard Henderson <rth@redhat.com>
13892
13893 PR opt/4120
13894 * sched-rgn.c (sets_likely_spilled): New.
13895 (sets_likely_spilled_1): New.
13896 (add_branch_dependences): Use it.
13897
13898 2002-04-02 Richard Henderson <rth@redhat.com>
13899
13900 PR opt/4311
13901 * loop.h (LOOP_FIRST_PASS): New.
13902 * loop.c (strength_reduce): Mind it when deciding to unroll.
13903 * toplev.c (rest_of_compilation): Set it.
13904
13905 2002-04-02 David S. Miller <davem@redhat.com>
13906
13907 * config/sparc/sparc.md (ldd peephole2s): Fix final arg to
13908 mems_ok_for_ldd_peep when the order of the loads being examined
13909 is reversed.
13910 * config/sparc/sparc.c (mems_ok_for_ldd_peep): Expand upon
13911 existing comment to increase comprehension of this situation.
13912
13913 2002-04-02 Zack Weinberg <zack@codesourcery.com>
13914
13915 * config/sh/sh.md: Don't use union real_extract.
13916
13917 2002-04-02 Richard Henderson <rth@redhat.com>
13918
13919 * libgcc2.c (__bb_exit_func): Revert 03-31 change.
13920
13921 2002-04-02 David O'Brien <obrien@FreeBSD.org>
13922
13923 * config.gcc (i386-dg-dgux, i386-go32-msdos , i386-go32-rtems,
13924 i386-ibm-aix, i386-moss-msdos, i386-ncr-sysv4, i386-next-,
13925 i386-pc-msdosdjgpp, i386-sequent-bsd, i386-sequent-ptx1,
13926 i386-sequent-ptx2, i386-sequent-ptx4, i386-sun-sunos,
13927 i386-wrs-vxworks, i386-*-aout, i386-*-beoself, i386-*-bsd,
13928 i386-*-bsdi, i386-*-chorusos, i386-*-coff, i386-*-elf,
13929 i386-*-freebsd5, i386-*-freebsd-aout, i386-*-gnu, i386-*-interix,
13930 i386-*-interix3, i386-*-isc, i386-*-linux, i386-*-linuxaout,
13931 i386-*-linuxoldld, i386-*-lynxos, i386-*-mach, i386-*-mingw32,
13932 i386-*-netbsd, i386-*-netbsdelf, i386-*-netware, i386-*-openbsd,
13933 i386-*-osf1, i386-*-osfrose, i386-*-pe , i386-*-rtems,
13934 i386-*-rtemscoff, i386-*-sco3.2v5, i386-*-solaris2, i386-*-sysv,
13935 i386-*-sysv4, i386-*-sysv5, i386-*-udk, i386-*-uwin, i386-*-vsta,
13936 i386-*-win32, x86_64-*-freebsd5, x86_64-*-linux, x86_64-*-netbsd):
13937 Include as many configury headers via tm_file as possible. This
13938 includes among others i386/unix.h, i386/bsd.h, i386/gas.h.
13939 * config/openbsd-oldgas.h: New file.
13940 * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/att.h,
13941 config/i386/bsd.h, config/i386/djgpp.h, config/i386/freebsd-aout.h,
13942 config/i386/gas.h, config/i386/gstabs.h, config/i386/i386-aout.h,
13943 config/i386/i386-coff.h, config/i386/i386-interix.h,
13944 config/i386/iscdbx.h, config/i386/linux-aout.h,
13945 config/i386/linux-oldld.h, config/i386/lynx-ng.h, config/i386/lynx.h,
13946 config/i386/mach.h, config/i386/netbsd.h, config/i386/next.h,
13947 config/i386/openbsd.h, config/i386/osfelf.h, config/i386/osfrose.h,
13948 config/i386/sco5.h, config/i386/seq-gas.h, config/i386/seq-sysv3.h,
13949 config/i386/seq2-sysv3.h, config/i386/sequent.h, config/i386/sun.h,
13950 config/i386/sun386.h, config/i386/svr3dbx.h, config/i386/svr3gas.h,
13951 config/i386/sysv3.h, config/i386/uwin.h, config/i386/vsta.h,
13952 config/i386/vxi386.h: Do not directly include configury headers.
13953 * config/i386/cygwin.h, config/i386/djgpp.h, config/i386/win32.h:
13954 Directly include configury headers that are no longer automatically
13955 included by the above headers.
13956 * config/i386/att.h, config/i386/bsd.h (TARGET_VERSION): Do not define.
13957 * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/cygwin.h,
13958 config/i386/djgpp.h, config/i386/i386-aout.h, config/i386/i386-coff.h,
13959 config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mach.h,
13960 config/i386/netbsd.h, config/i386/openbsd.h, config/i386/rtems.h,
13961 config/i386/seq-sysv3.h, config/i386/sequent.h, config/i386/svr3gas.h,
13962 config/i386/sysv3.h, config/i386/vsta.h, config/i386/vxi386.h
13963 (TARGET_VERSION): Define.
13964 * config/i386/beos-elf.h, config/i386/freebsd.h,
13965 config/i386/i386-interix.h, config/i386/i386elf.h, config/i386/linux.h,
13966 config/i386/linux64.h, config/i386/netbsd-elf.h, config/i386/netbsd64.h,
13967 config/i386/osfelf.h, config/i386/osfrose.h, config/i386/ptx4-i.h,
13968 config/i386/sco5.h, config/i386/sysv4.h
13969 (TARGET_VERSION): Do not need to protect.
13970 * config/i386/freebsd64.h (TARGET_VERSION): Fix style.
13971 * config/i386/386bsd.h, config/i386/cygwin.h, config/i386/djgpp.h,
13972 config/i386/freebsd-aout.h, config/i386/i386-aout.h,
13973 config/i386/i386-interix.h, config/i386/linux-aout.h,
13974 config/i386/linux-oldld.h, config/i386/mach.h, config/i386/netbsd.h,
13975 config/i386/openbsd.h, config/i386/vsta.h, config/i386/win32.h
13976 (YES_UNDERSCORES): Do not define - not needed.
13977 * config/i386/bsd.h, config/i386/gas.h (LPREFIX,
13978 ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
13979 USER_LABEL_PREFIX): Do not handle the "NO_UNDERSCORES" case.
13980 * config/i386/i386-coff.h, config/i386/lynx.h, config/i386/lynx-ng.h
13981 (LPREFIX, ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
13982 USER_LABEL_PREFIX): Define. (handles the "NO_UNDERSCORES" case)
13983 * config/i386/isc.h: Preserve comment from config/i386/isccoff.h.
13984 * config/i386/isccoff.h, config/i386/v3gas.h: Remove.
13985
13986 2002-04-02 Eric Botcazou <ebotcazou@multimania.com>
13987 Richard Henderson <rth@redhat.com>
13988
13989 PR c/5484
13990 * function.c (assign_temp): Accept either type or decl argument.
13991 Detect variables whose size is too large to fit into an integer.
13992 * stmt.c (expand_decl): Pass the decl, not the type.
13993
13994 2002-04-02 David O'Brien <obrien@FreeBSD.org>
13995
13996 * protoize.c: Match include directory usage with cppdefault.c.
13997
13998 2002-04-03 Jeffrey A Law (law@redhat.com)
13999 Hans-Peter Nilsson <hp@bitrange.com>
14000
14001 * combine.c (simplify_comparison): Avoid narrowing a comparison
14002 with a paradoxical subreg when doing so would drop signficant bits.
14003
14004 2002-04-02 Steve Ellcey <sje@cup.hp.com>
14005
14006 * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
14007 if POINTERS_EXTEND_UNSIGNED is defined.
14008
14009 2002-04-02 Richard Henderson <rth@redhat.com>
14010
14011 PR opt/3967
14012 * local-alloc.c (contains_replace_regs): LO_SUM may contain
14013 replace regs.
14014
14015 2002-04-02 Richard Henderson <rth@redhat.com>
14016
14017 * doc/standards.texi: Document required freestanding libc entry points.
14018
14019 2002-04-02 Alan Modra <amodra@bigpond.net.au>
14020
14021 * config/rs6000/rs6000.md (ctrdi*): Add FPR constraint and
14022 associated splitter. Remove MQ constraint.
14023 (ctrdi_internal4): Correct CCmode clobber.
14024
14025 2002-04-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
14026
14027 * milli64.S ($$dyncall): New function.
14028 * t-linux (LIB1ASMFUNCS): Revise module list.
14029 (LIB1ASMSRC): Use pa/milli64.S.
14030
14031 2002-04-02 Richard Henderson <rth@redhat.com>
14032
14033 * fixinc/inclhack.def (AAB_solaris_sys_varargs_h): Move and
14034 rename solaris_sys_varargs_h.
14035
14036 Tue Apr 2 06:47:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14037
14038 * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
14039 the same mode as its component.
14040
14041 2002-04-02 Richard Henderson <rth@redhat.com>
14042
14043 PR opt/190
14044 * final.c (this_is_asm_operands): Export.
14045 * output.h (this_is_asm_operands): Declare.
14046 * config/i386/i386.c (print_operand): Error odd asm operands.
14047
14048 2002-04-02 Richard Henderson <rth@redhat.com>
14049
14050 PR opt/420
14051 * config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra.
14052
14053 2002-04-01 Richard Henderson <rth@redhat.com>
14054
14055 PR target/1538
14056 * fixinc/inclhack.def (solaris_sys_varargs_h): New.
14057 * fixinc/fixincl.x: Rebuild.
14058
14059 2002-04-01 Richard Henderson <rth@redhat.com>
14060
14061 * config/ia64/unwind-ia64.c: Include ia64intrin.h.
14062 (atomic_alloc, atomic_free): New.
14063 (SIZE, MASK_FOR, PTR_IN): New.
14064 (emergency_reg_state, emergency_reg_state_free): New.
14065 (emergency_labeled_state, emergency_labeled_state_free): New.
14066 (reg_state_alloced, labeled_state_alloced): New.
14067 (alloc_reg_state, free_reg_state): New.
14068 (alloc_label_state, free_label_state, free_label_states): New.
14069 (push, pop, dup_state_stack, free_state_stack): Use them.
14070 (desc_label_state): Likewise.
14071 (uw_frame_state_for): Free label states and state stack.
14072 (uw_update_reg_address): Eliminate warnings.
14073
14074 2002-04-01 Vladimir Makarov <vmakarov@redhat.com>
14075
14076 * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON,
14077 ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.
14078
14079 2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk>
14080
14081 * c-decl.c (grokdeclarator): Update.
14082 * c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
14083 * c-tree.h (c_mark_addressable): New.
14084 * c-typeck.c (default_function_array_conversion, build_unary_op,
14085 build_array_ref, convert_for_assignment): Update.
14086 (mark_addressable): Rename.
14087 * calls.c (try_to_integrate, expand_call): Use langhook.
14088 * expr.c (expand_expr): Use langhook.
14089 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Update.
14090 * langhooks.h (struct lang_hooks): New hook.
14091 * stmt.c (expand_asm_operands): Use langhook.
14092 * tree.h (mark_addressable): Remove.
14093 objc:
14094 * objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
14095
14096 2002-04-01 Bob Wilson <bob.wilson@acm.org>
14097
14098 * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
14099 in previous change.
14100
14101 2002-04-01 Bob Wilson <bob.wilson@acm.org>
14102
14103 * config/xtensa/xtensa.c (xtensa_va_arg): Fix to handle arguments
14104 for which MUST_PASS_IN_STACK is true (e.g., variable-sized types).
14105
14106 2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk>
14107
14108 * c-common.c (unsigned_conversion_warning, convert_and_check,
14109 unsigned_type, signed_type, shorten_compare,
14110 c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks.
14111 (unsigned_type, signed_type, signed_or_unsigned_type): Rename.
14112 * c-common.h (unsigned_type, signed_type, signed_or_unsigned_type):
14113 New.
14114 * c-decl.c (grokdeclarator): Update.
14115 * c-format.c (check_format_types): Update.
14116 * c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
14117 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
14118 * c-typeck.c (build_binary_op, convert_for_assignment): Update.
14119 * convert.c (convert_to_integer): Use new hooks.
14120 * expmed.c (make_tree): Use new hooks.
14121 * expr.c (store_expr): Use new hooks.
14122 * fold-const.c (operand_equal_for_comparison_p, build_range_check,
14123 all_ones_mask_p, unextend, fold): Use new hooks.
14124 * langhooks.h (struct lang_hooks_for_types): New hooks.
14125 * tree.h (signed_or_unsigned_type, signed_type,
14126 unsigned_type): Remove.
14127 objc:
14128 * objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
14129 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
14130
14131 2002-03-31 Richard Henderson <rth@redhat.com>
14132
14133 * config/ia64/unwind-ia64.c (alloc_spill_area): Fix offset.
14134 (desc_frgr_mem): Fix reference to f16-f31.
14135
14136 2002-03-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14137
14138 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
14139 RTVEC_ELT): Const-ify.
14140 * varray.h (VARRAY_CHECK): Const-ify.
14141 * ggc.h (ggc_mark_rtx, ggc_mark_tree, ggc_mark_nonnull_tree,
14142 ggc_mark_rtvec, ggc_mark): Const-ify.
14143
14144 2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk>
14145
14146 * diagnostic.c: Include langhooks-def.h.
14147 * Makefile.in (diagnostic.o): Update.
14148
14149 2002-03-31 Neil Booth <neil@daikokuya.demon.co.uk>
14150
14151 * c-common.c (c_unsafe_for_reeval): Rename.
14152 * c-common.h (c_unsafe_for_reeval): Rename.
14153 * c-decl.c (finish_incomplete_decl): Rename.
14154 (c_init_decl_processing): Don't set langhook.
14155 * c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
14156 LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
14157 * c-objc-common.c (c_objc_common_init): Don't set langhook.
14158 * c-tree.h (finish_incomplete_decl): Rename.
14159 * langhooks-def.h (lhd_unsafe_for_reeval): New.
14160 (LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New.
14161 (LANG_HOOKS_INITIALIZER): Update.
14162 * langhooks.c (lhd_unsafe_For_reeval): New.
14163 * langhooks.h (struct langhooks): New hooks.
14164 * toplev.c (incomplete_decl_finalize_hook): Remove.
14165 (wrapup_global_declarations): Update.
14166 * tree.c (lang_unsafe_for_reeval): Remove.
14167 (unsafe_for_reeval): Update.
14168 * tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook):
14169 Remove.
14170 objc:
14171 * objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
14172 LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
14173
14174 2002-03-31 Neil Booth <neil@daikokuya.demon.co.uk>
14175
14176 * diagnostic.c (print_error_function): Remove.
14177 (default_print_error_function): Rename.
14178 (report_error_function): Update.
14179 * diagnostic.h (print_error_function): Remove.
14180 (default_print_error_function): Remove.
14181 * langhooks-def.h (struct diagnostic_context): Predeclare.
14182 (lhd_print_error_function, LANG_HOOKS_PRINT_ERROR_FUNCTION): New.
14183 (LANG_HOOKS_INITIALIZER): Update.
14184 * langhooks.h (struct diagnostic context): Predeclare.
14185 (struct lang_hooks): New hook.
14186
14187 2002-03-31 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14188
14189 * config/rs6000/rs6000.h (RS6000_PIC_OFFSET_TABLE_REGNUM): New.
14190 (PIC_OFFSET_TABLE_REGNUM): Use it and return INVALID_REGNUM if
14191 !flag_pic.
14192 (CONDITIONAL_REGISTER_USAGE): Adjust accordingly.
14193 * config/rs6000/rs6000.h: Use RS6000_PIC_OFFSET_TABLE_REGNUM instead
14194 of PIC_OFFSET_TABLE_REGNUM thruout.
14195 * config/rs6000/rs6000.md: Likewise.
14196 * config/rs6000/darwin.h: Likewise.
14197
14198 Sun Mar 31 14:43:24 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14199
14200 * emit-rtl.c (adjust_address_1, offset_address): Cast value to
14201 unsigned HOST_WIDE_INT, not unsigned int.
14202
14203 2002-03-31 Jakub Jelinek <jakub@redhat.com>
14204
14205 PR middle-end/6096, middle-end/6098, middle-end/6099
14206 * reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for
14207 CODE_LABELs.
14208 (fill_slots_from_thread): Likewise.
14209
14210 2002-03-31 Jakub Jelinek <jakub@redhat.com>
14211
14212 * config/sparc/sparc.c (function_arg_record_value_1): Pass complex
14213 floating fields in float regs.
14214 (function_arg_record_value_2): Likewise.
14215
14216 2002-03-31 Hans-Peter Nilsson <hp@bitrange.com>
14217
14218 * config/mmix/mmix.md (define_constants): Remove misleading
14219 FIXME. Add MMIX_fp_rO_OFFSET.
14220 ("nonlocal_goto_receiver"): Don't have stack-frame address of
14221 saved rO as part of the pattern. Remove FIXME.
14222 ("*nonlocal_goto_receiver_expanded"): Similar. Generate address
14223 here, at output-time.
14224
14225 2002-03-31 Jakub Jelinek <jakub@redhat.com>
14226
14227 PR middle-end/6100
14228 * config/sparc/sparc.c (output_cbranch): Use REG_BR_PROB, not
14229 REG_BR_PRED.
14230 (output_v9branch): Likewise.
14231
14232 2002-03-31 Alexandre Oliva <aoliva@redhat.com>
14233
14234 * gcc.c: Revert previous patch for now.
14235 * config/i386/djgpp.h: Likewise.
14236
14237 2002-03-31 Hans-Peter Nilsson <hp@bitrange.com>
14238
14239 * config/mmix/crti.asm (_init): Register _fini with atexit.
14240 * config/mmix/crtn.asm (_fini): Add omitted "POP 0,0".
14241
14242 2002-03-31 Richard Henderson <rth@redhat.com>
14243
14244 PR target/3997
14245 * config/alpha/elf.h (ASM_OUTPUT_DEF): Tidy.
14246 (ASM_OUTPUT_DEF_FROM_DECLS): New.
14247
14248 2002-03-31 Richard Henderson <rth@redhat.com>
14249
14250 * libgcc2.c (__bb_exit_func): Make static.
14251
14252 * config/alpha/alpha.md (trap): New.
14253
14254 2002-03-31 Richard Henderson <rth@redhat.com>
14255
14256 * builtins.c (expand_builtin_va_arg): Give warnings not errors for
14257 promoted argument types; build trap.
14258 (expand_builtin_trap): New.
14259 (expand_builtin): Use it.
14260 * stmt.c (expand_nl_goto_receivers): Likewise.
14261 * expr.h (expand_builtin_trap): Declare.
14262 * libfuncs.h (LTI_abort, abort_libfunc): New.
14263 * optabs.c (init_optabs): Init abort_libfunc.
14264
14265 2002-03-31 Alexandre Oliva <aoliva@redhat.com>
14266
14267 * gcc.c (LIBGCC_SPEC): Folded %L and duplicate %G here...
14268 (LINK_COMMAND_SPEC): ... from here.
14269 (init_gcc_specs): Duplicate it here too, omitting
14270 shared_name in the second copy.
14271 (init_spec): Test for duplicate
14272 * config/i386/djgpp.h (LINK_COMMAND_SPEC): Remove `%L %G'.
14273
14274 2002-03-30 David S. Miller <davem@redhat.com>
14275
14276 * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14277 * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise.
14278
14279 2002-03-30 Roger Sayle <roger@eyesopen.com>
14280 Richard Henderson <rth@redhat.com>
14281
14282 * regmove.c (combine_stack_adjustments_for_block): Avoid
14283 emitting a stack adjustment of zero bytes. Let delete_insn
14284 update bb->head.
14285
14286 2002-03-30 Richard Henderson <rth@redhat.com>
14287
14288 * config/sparc/sparc.c: Remove all references to TARGET_EPILOGUE.
14289 (sparc_emitting_epilogue): New.
14290 (leaf_label, output_return, sparc_return_peephole_ok): Remove.
14291 * config/sparc/sparc-protos.h: Update.
14292 * config/sparc/sparc.h (MASK_EPILOGUE, TARGET_EPILOGUE): Remove.
14293 (TARGET_SWITCHES): Update.
14294 * config/sparc/sparc.md (return): Remove.
14295 (return_*): Use sparc_emitting_epilogue, not !TARGET_EPILOGUE.
14296 * config/sparc/freebsd.h, config/sparc/linux64.h, config/sparc/lite.h,
14297 config/sparc/liteelf.h, config/sparc/netbsd-elf.h,
14298 config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
14299 config/sparc/sp64-aout.h, config/sparc/sp64-elf.h,
14300 config/sparc/sp86x-aout.h, config/sparc/sp86x-elf.h,
14301 config/sparc/splet.h, config/sparc/vxsparc64.h (TARGET_DEFAULT):
14302 Remove MASK_EPILOGUE.
14303 * doc/invoke.texi: Update.
14304
14305 2002-03-30 Daniel Berlin <dan@dberlin.org>
14306
14307 * dwarf2out.c (dwarf2out_define): Remove start_source_file call,
14308 CPP will start the file for us.
14309
14310 2002-03-30 Richard Henderson <rth@redhat.com>
14311
14312 PR target/5446
14313 * config/ia64/ia64.c (group_barrier_needed_p): Special case
14314 prologue_allocate_stack.
14315 (ia64_single_set): Use insn codes for recognition of special
14316 cases, not rtl matching.
14317 * config/ia64/ia64.md (prologue_allocate_stack): Op 3 is in-out.
14318
14319 Sat Mar 30 23:48:41 CET 2002 Jan Hubicka <jh@suse.cz>
14320
14321 * cfgbuild.c (find_basic_blocks_1): Clear aux for blocks.
14322
14323 2002-03-30 Richard Henderson <rth@redhat.com>
14324
14325 PR target/6032
14326 * config/sparc/sparc.h (OVERRIDE_OPTIONS): Don't override -fpic
14327 or -fomit-frame-pointer with profiling.
14328 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
14329 (FUNCTION_PROFILER): Do nothing.
14330 (PROFILE_HOOK): New.
14331 * config/sparc/sparc.c (sparc_override_options): Don't check
14332 code models for profiling.
14333 (sparc_function_profiler): Remove.
14334 (sparc_profile_hook): New.
14335 * config/sparc/sparc-protos.h: Update.
14336
14337 2002-03-30 Jakub Jelinek <jakub@redhat.com>
14338
14339 PR optimization/6086
14340 * combine.c (combine_simplify_rtx): If simplify_rtx failed because
14341 of SUBREG of volatile MEM or because the MEM was mode dependent,
14342 return CLOBBER instead of unmodified SUBREG.
14343
14344 Sat Mar 30 14:08:55 CET 2002 Jan Hubicka <jh@suse.cz>
14345
14346 * local-alloc.c (local_alloc): Avoid call of update_equiv_regs
14347 when not optimizing.
14348
14349 * toplev.c (rest_of_compilation): Cann mark_constant_function
14350 only when optimizing.
14351
14352 * flow.c (calculate_global_regs_live): Ensure that all AUX fields
14353 are NULL.
14354
14355 * cfgcleanup.c (bb_flags): Add BB_NONTHREADABLE_BLOCK.
14356 (thread_jump): Set BB_NONTHREADABLE_BLOCK, check it.
14357 (try_optimize_cfg): clear all AUX fields.
14358
14359 * i386.c (aligned_operand): Be prepared for SUBREGed registers.
14360 (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
14361 (ix86_address_cost): Be prepared for SUBREGed registers.
14362 (legitimate_address_p): Accept SUBREGed registers.
14363
14364 2002-03-29 Richard Henderson <rth@redhat.com>
14365
14366 PR target/5672
14367 * expr.c (expand_expr): Pass along EXPAND_INITIALIZER one more place.
14368
14369 2002-03-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14370
14371 * config/rs6000/rs6000.c (rs6000_va_arg): Correctly set register count
14372 for aggregate and TFmode types.
14373
14374 2002-03-29 Hans-Peter Nilsson <hp@bitrange.com>
14375
14376 * cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i].
14377
14378 2002-03-29 Richard Henderson <rth@redhat.com>
14379
14380 PR target/5886
14381 * config/ia64/aix.h (CPP_PREDEFINES): Add -D_LP64.
14382 * config/ia64/hpux.h, config/ia64/linux.h: Likewise.
14383
14384 2002-03-29 Richard Henderson <rth@redhat.com>
14385
14386 PR target/6041
14387 * config/i386/i386.c (x86_arch_always_fancy_math_387): New.
14388 (override_options): Disable NO_FANCY_MATH_387 if the arch allows.
14389 * config/i386/i386.h (x86_arch_always_fancy_math_387): New.
14390 * config/i386/i386.md (sqrtxf2, sqrtextendsfxf2, sinxf2): Fix
14391 conditional.
14392 * docs/invoke.texi: Update -mno-fancy-math-387 docs.
14393
14394 2002-03-29 Dale Johannesen <dalej@apple.com>
14395
14396 * loop.c (combine_movables): Do allow combination of pseudos.
14397
14398 2002-03-29 Loren J. Rittle <ljrittle@acm.org>
14399
14400 * config.gcc (*-*-freebsd*): Enable creation of libgcc_s.so.
14401 * config/t-slibgcc-elf-ver (SHLIB_LC): Add macro and use it.
14402 No functional change except ...
14403 * config/t-slibgcc-nolc-override (SHLIB_LC): Override it. New file.
14404 * doc/install.texi (*-*-freebsd*): Document port configuration.
14405
14406 2002-03-29 Neil Booth <neil@daikokuya.demon.co.uk>
14407
14408 * Makefile.in (convert.o, calls.o, expmed.o): Update.
14409 * attribs.c (handle_mode_attribute, handle_vector_size_attribute):
14410 Use new hooks.
14411 * builtin-types.def (BT_PTRMODE): Update.
14412 * c-common.c (type_for_size): Rename c_common_type_for_size.
14413 (type_for_mode): Similarly.
14414 (shorten_compare, pointer_int_sum, c_common_nodes_and_builtins):
14415 Use new hook.
14416 * c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New.
14417 * c-decl.c (finish_enum, build_enumerator): Use new hooks.
14418 * c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
14419 Redefine.
14420 * c-typeck.c (common_type, comptypes, default_conversion):
14421 Use new hooks.
14422 * calls.c: Include langhooks.h.
14423 (emit_library_call_value_1): Use new hooks. Avoid redundant
14424 calls.
14425 * convert.c: Include langhooks.h
14426 (convert_to_pointer, convert_to_integer): Use new hooks.
14427 * except.c (init_eh): Similarly.
14428 * expmed.c: Include langhooks.h.
14429 (expand_mult_add): Use new hooks.
14430 * expr.c (store_expr, store_constructor, expand_expr, do_jump,
14431 try_casesi): Similarly.
14432 * fold-const.c (optimize_bit_field_compare, make_range,
14433 decode_field_reference, fold_truthop, fold): Similarly.
14434 * function.c (assign_stack_local_1, assign_stack_temp_for_type,
14435 put_var_into_stack): Similarly.
14436 * langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE,
14437 LANG_HOOKS_TYPE_FOR_SIZE): New.
14438 (LANG_HOOKS_TYPES_INITIALIZER): Update.
14439 * langhooks.h (lang_hooks_for_types): New hooks.
14440 * stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks.
14441 * tree.c (get_unwidened, get_narrower): Similarly.
14442 * tree.h (type_for_mode, type_for_size): Remove.
14443 * varasm.c (force_const_mem): Use new hooks.
14444 * utils2.c (nonbinary_modular_operation): Update.
14445 objc:
14446 * objc-act.c (handle_impent): Update.
14447 * objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
14448 Redefine.
14449
14450 2002-03-29 Steve Ellcey <sje@cup.hp.com>
14451
14452 * config/ia64/ia64.md (*ptr_extend_plus_1, *ptr_extend_plus_2): New.
14453 * config/ia64/ia64.c (basereg_operand): New.
14454 * config/ia64/ia64-protos.h (basereg_operand): Declare.
14455 * config/ia64/ia64.h (PREDICATE_CODES): Add basereg_operand.
14456
14457 2002-03-29 Hans-Peter Nilsson <hp@bitrange.com>
14458
14459 * config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
14460 unwind information when frame_pointer_needed.
14461 (mmix_assemble_integer): Tweak wording in comment.
14462
14463 2002-03-29 Neil Booth <neil@daikokuya.demon.co.uk>
14464
14465 * Makefile.in (except.o): Update.
14466 * except.c: Include langhooks.h.
14467 (init_eh): Use langhook.
14468 * langhooks-def.h (LANG_HOOKS_MAKE_TYPE,
14469 LANG_HOOKS_FOR_TYPES_INITIALIZER): New.
14470 (LANG_HOOKS_INITIALIZER): Update.
14471 * langhooks.h (lang_hooks_for_types): New.
14472 (struct lang_hooks): Add it.
14473 * tree.c (make_lang_type_fn, make_lang_type): Remove.
14474 * tree.h (make_lang_type_fn, make_lang_type): Remove.
14475 config:
14476 * alpha/alpha.c: Include langhooks.h.
14477 (alpha_build_va_list): Use langhook.
14478 * d30v/d30v.c: Include langhooks.h.
14479 (d30v_build_va_list): Use langhook.
14480 * i386/i386.c: Include langhooks.h.
14481 (ix86_build_va_list): Use langhook.
14482 * rs6000/rs6000.c (rs6000_build_va_list): Use langhook.
14483 * s390/s390.c: Include langhooks.h.
14484 (s390_build_va_list): Use langhook.
14485 * stormy16/stormy16.c: Include langhooks.h.
14486 (stormy16_build_va_list): Use langhook.
14487
14488 2002-03-29 Jakub Jelinek <jakub@redhat.com>
14489
14490 PR c++/5964
14491 * config/sparc/sparc.md (empty_delay_slot, branch_type): New
14492 attributes.
14493 (length): Compute variable length for branches/calls/jumps here.
14494 (branch, inverted_branch, normal_fp_branch, inverted_fp_branch,
14495 normal_fpe_branch, inverted_fpe_branch): Remove length attribute,
14496 define branch_type attribute.
14497 (divsi3_sp32): Maximum length is 6 not 7.
14498 (call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
14499 call_address_untyped_struct_value_sp32,
14500 call_symbolic_untyped_struct_value_sp32): Set length to 3 not 2.
14501 * config/sparc/sparc.c (empty_delay_slot): New function.
14502 * config/sparc/sparc.h (ADJUST_INSN_LENGTH): Remove.
14503 * config/sparc/sparc-protos.h (empty_delay_slot): Add prototype.
14504
14505 2002-03-29 Jakub Jelinek <jakub@redhat.com>
14506
14507 * combine.c (set_nonzero_bits_and_sign_copies): Don't call
14508 nonzero_bits if not needed.
14509 (nonzero_bits) [XOR]: Likewise.
14510 (nonzero_bits) [REG]: Use reg_last_set_nonzero_bits even if
14511 reg_last_set_mode and mode are both MODE_INT, but not equal.
14512 (record_value_for_reg): Compute reg_last_set_nonzero_bits
14513 in nonzero_bits_mode for MODE_INT modes.
14514
14515 2002-03-28 Richard Henderson <rth@redhat.com>
14516
14517 PR target/5715
14518 * config/alpha/osf.h (ASM_SPEC): Don't pass any special options
14519 to GAS. Correct drift between alternatives.
14520
14521 2002-03-28 Richard Henderson <rth@redhat.com>
14522
14523 PR target/6087
14524 * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence.
14525
14526 2002-03-28 Alexandre Oliva <aoliva@redhat.com>
14527
14528 * config/i386/freebsd.h (LINK_SPEC): Don't pass default
14529 emulation to the linker.
14530
14531 2002-03-28 Loren J. Rittle <ljrittle@acm.org>
14532
14533 * config/alpha/freebsd.h (LINK_SPEC): Likewise.
14534 * config/sparc/freebsd.h (LINK_SPEC): Likewise.
14535
14536 Thu Mar 28 16:35:31 2002 Jeffrey A Law (law@redhat.com)
14537
14538 * combine.c (simplify_and_const_int): Make sure to apply mask
14539 when force_to_mode returns a constant integer. PR3311.
14540
14541 2002-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
14542
14543 * pa-linux.h (LOCAL_LABEL_PREFIX): Define.
14544
14545 2002-03-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14546
14547 * doc/invoke.texi (Warning Options): Refer to C++ Dialect Options
14548 and Objective-C Dialect Options.
14549
14550 2002-03-28 Richard Henderson <rth@redhat.com>
14551
14552 * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE
14553 comparison should be done vs !=0 not >0 return code. Tidy cases.
14554
14555 2002-03-28 Richard Henderson <rth@redhat.com>
14556
14557 * c-decl.c (finish_function): New arg can_defer_p. Pass it
14558 on to c_expand_body.
14559 * c-tree.h (finish_function): Update decl.
14560 * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls.
14561
14562 Thu Mar 28 19:13:36 CET 2002 Jan Hubicka <jh@suse.cz>
14563
14564 * ifcvt.c (if_convert): Clear aux_for_blocks early enought.
14565
14566 Thu Mar 28 13:21:53 CET 2002 Jan Hubicka <jh@suse.cz>
14567
14568 * rtlanal.c: Include flags.h
14569 (may_trap_p): Do not mark FP operations if trapping
14570 if !flag_trapping_math
14571 * Makefile.in (rtlanal.o): Add dependency on flag.h
14572 * ifcvt.c (noce_operand_ok): Avoid the lameness.
14573
14574 2002-03-27 Zack Weinberg <zack@codesourcery.com>
14575
14576 * mips.md: Use dconst1, not 1.0, as first argument of
14577 REAL_VALUE_LDEXP. Don't use union real_extract.
14578
14579 2002-03-28 Alan Modra <amodra@bigpond.net.au>
14580
14581 * configure.in (gcc_cv_as): Use $target_alias in directory searchs
14582 rather than $target. Heed program_prefix and
14583 program_transform_name. Search for gas in cross-compiler case too.
14584 "test -x" rather than "test -f".
14585 (gcc_cv_ld): Likewise.
14586 (gcc_cv_nm): Heed program_prefix and program_transform_name.
14587 (gcc_cv_objdump): Likewise.
14588 * configure: Regenerate.
14589
14590 2002-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
14591
14592 * Makefile.in (attribs.o): Update.
14593 * attribs.c: Include langhooks.h.
14594 (decl_attributes): Use langhook.
14595 * c-decl.c (insert_default_attributes): Rename.
14596 * c-tree.h (c_insert_default_attributes): New.
14597 * langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New.
14598 (LANG_HOOKS_INITIALIZER): Update.
14599 * langhooks.h (struct lang_hooks): New hook.
14600 * tree.h (insert_default_attributes): Remove.
14601 objc:
14602 * objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.
14603
14604 2002-03-27 Andreas Schwab <schwab@suse.de>
14605
14606 * config/i386/i386.c (classify_argument): Also check for
14607 QUAL_UNION_TYPE.
14608
14609 2002-03-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14610
14611 * doc/install.texi (alpha*-dec-osf*): Don't need --enable-libgcj
14612 any more.
14613
14614 Wed Mar 27 23:19:30 CET 2002 Jan Hubicka <jh@suse.cz>
14615
14616 * i960.md (ret): Set PC.
14617 (nonlocal_goto): Fix expander.
14618 * builtins.c (epxand_builin_longjmp): Check that we've emitted
14619 some jump or call.
14620
14621 Wed Mar 27 23:11:35 CET 2002 Jan Hubicka <jh@suse.cz>
14622
14623 * optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting
14624 of libcall regions.
14625
14626 Wed Mar 27 22:54:14 CET 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
14627
14628 * cfgrtl.c (merge_blocks_nomove): Use set_block_for_insn instead of
14629 assigning to BLOCK_FOR_INSN directly.
14630
14631 Wed Mar 27 22:33:05 CET 2002 Jan Hubicka <jh@suse.cz>
14632
14633 * i386.c (ix86_output_addr_diff_elt): Remove binutils bug workaround.
14634
14635 2002-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
14636
14637 * c-common.c (c_expand_expr): Fix prototype.
14638 * c-common.h (c_expand_expr): Always declare, update.
14639 * c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
14640 * c-objc-common.c (c_objc_common_init): No global hook.
14641 * expr.c (expand_expr): Use langhook.
14642 * expr.h (enum expand_modifier): Conditionally declare.
14643 * langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New.
14644 (LANG_HOOKS_INITIALIZER): Update.
14645 * langhooks.c (lhd_expand_expr): New.
14646 * langhooks.h (struct lang_hooks): New hook.
14647 * toplev.c (lang_expand_expr_t, lang_expand_expr): Delete.
14648 (lang_independent_init): Don't default hook.
14649 objc:
14650 * objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
14651
14652 2002-03-27 Richard Henderson <rth@redhat.com>
14653
14654 PR target/6054
14655 * config/ia64/ia64.c (ia64_expand_call): Use pic patterns for
14656 TARGET_CONST_GP. Simplify conditions.
14657
14658 2002-03-27 Richard Henderson <rth@redhat.com>
14659
14660 * config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
14661 config/sparc/netbsd-elf.h, config/sparc/pbd.h, config/sparc/sol2.h,
14662 config/sparc/vxsim.h (LOCAL_LABEL_PREFIX): Define.
14663
14664 2002-03-27 Danny Smith <dannysmith@users.sourceforge.net>
14665
14666 * config/i386/cygwin.h (TARGET_DLL, TARGET_WIN32,
14667 TARGET_CYGWIN, TARGET_WINDOWS): Remove unused switches.
14668 (MASK_DLL, MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS):
14669 Remove unnecessary masks.
14670 (MASK_NOP_FUN_DLLIMPORT): Use an unused an bit.
14671 (SUBTARGET_SWITCHES): Use empty masks for -mwin32, -mcygwin,
14672 -mwindows, -mdll switches and their negations.
14673
14674 2002-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
14675
14676 * gcc-common.c (lang_mark_false_label_stack): Remove.
14677 * ggc.h (lang_mark_false_label_stack): Similarly.
14678
14679 2002-03-26 Vladimir Makarov <vmakarov@redhat.com>
14680
14681 * pa/pa-pro-end.h (CPP_PREDEFINES): Add -D__pro__.
14682
14683 * pa/lib2funcs.asm: Don't use .SPACE and .SUBSPACE if __pro__
14684 or __rtems_ is defined.
14685
14686 2002-03-26 Richard Henderson <rth@redhat.com>
14687
14688 * config/alpha/alpha.c (alpha_emit_set_const): Add a REG_EQUAL note
14689 if a non-trivial load was emitted.
14690 (alpha_emit_set_const_1): Remove obsolete extension. Fix thinko
14691 in high+extra+low case.
14692
14693 2002-03-26 Richard Henderson <rth@redhat.com>
14694
14695 * config.gcc (sparc*-solaris): Use float_format=sparc.
14696
14697 2002-03-26 Richard Henderson <rth@redhat.com>
14698
14699 * config/sparc/sparc.h (MAX_WCHAR_TYPE_SIZE): Don't define.
14700 * config/sparc/linux-aout.h (MAX_WCHAR_TYPE_SIZE): Don't undef.
14701 * config/sparc/linux.h, config/sparc/linux64.h: Likewise.
14702 * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Redefine.
14703 (WINT_TYPE_SIZE): Fix at 32.
14704
14705 2002-03-26 Richard Henderson <rth@redhat.com>
14706
14707 * toplev.c (rest_of_compilation): Delay emit_initial_value_sets
14708 until after eh landing pad generation.
14709 * config/alpha/alpha.c (alpha_gp_save_rtx): Use gen_mem_addressof.
14710 * config/alpha/alpha.md (exception_receiver_2): Only accept MEMs.
14711
14712 2002-03-26 Richard Henderson <rth@redhat.com>
14713
14714 * expr.h (ADD_PARM_SIZE): One more convert for INC.
14715
14716 2002-03-26 Phil Edwards <pme@gcc.gnu.org>
14717
14718 * gcc.c (cpp_options): Preserve relative ordering of -pedantic
14719 and warning switches.
14720 (cc1_options): Likewise.
14721
14722 2002-03-26 Hans Boehm <Hans_Boehm@hp.com>
14723
14724 * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR):
14725 Restore more of the signal context. Set no_reg_stack_frame.
14726 * config/ia64/unwind-ia64.c (unw_state_record):
14727 Add no_reg_stack_frame, comments.
14728 (uw_frame_state_for): Initialize when field to UNW_WHEN_NEVER.
14729 (uw_update_context): Adjust bsp when unwinding from leaf,
14730 but not signal frame.
14731
14732 2002-03-26 David Edelsohn <edelsohn@gnu.org>
14733
14734 * config/rs6000/aix51.h (WCHAR_TYPE): Define.
14735
14736 2002-03-26 Bob Wilson <bob.wilson@acm.org>
14737
14738 * config/xtensa/xtensa.c (xtensa_va_arg): Handle variable-sized types.
14739
14740 2002-03-26 Richard Earnshaw <rearnsha@arm.com>
14741
14742 PR target/5621
14743 * arm.md (define_asm_attributes): Reapply patch of Thu Sep 9, 1999:
14744 "Add a pool_range attribute", which was lost during the ARM/Thumb
14745 merge.
14746
14747 2002-03-26 Bob Wilson <bob.wilson@acm.org>
14748
14749 * config/xtensa/xtensa.c (xtensa_valid_move): Allow move from
14750 a register into the MAC16 accumulator.
14751
14752 2002-03-26 Andrew Cagney <ac131313@redhat.com>
14753
14754 * doc/invoke.texi (Option Summary): Mention -Wswitch-enum.
14755 (Warning Options): Document -Wswitch-enum.
14756 * toplev.c (W_options): Add -Wswitch-enum. Update comment on
14757 -Wswitch.
14758 (warn_switch_enum): Define variables.
14759 * flags.h (warn_switch_enum): Declare variables.
14760 * stmt.c (expand_end_case_type): When warn_switch_enum /
14761 -Wswitch-enum, perform switch checks.
14762 Fix PR c/5044.
14763
14764 2002-03-26 Richard Earnshaw <rearnsha@arm.com>
14765
14766 * arm.md (reload_mulsi3, reload_mulsi_compare0, reload_muladdsi)
14767 (reload_mulsi_compare0_scratch, reload_muladdsi_compare0)
14768 (reload_muladdsi_compare0_scratch): Delete.
14769
14770 2002-03-26 Loren J. Rittle <ljrittle@acm.org>
14771
14772 * doc/install.texi (*-*-freebsd*): Update.
14773
14774 2002-03-26 Richard Henderson <rth@redhat.com>
14775
14776 * expr.h (ADD_PARM_SIZE): Cast INC to ssizetype.
14777 (SUB_PARM_SIZE): Cast DEC to ssizetype.
14778
14779 * config/alpha/alpha.c (alpha_va_arg): Read MUST_PASS_IN_STACK
14780 types from the normal argument frame.
14781
14782 * config/sparc/sparc.c (function_arg_pass_by_reference): Pass
14783 variable sized objects by reference.
14784 (sparc_va_arg): Receive them by reference too.
14785
14786 2002-03-26 Hartmut Penner <hpenner@de.ibm.com>
14787
14788 * config/s390/s390.c (s390_emit_epilogue): Change epilogue
14789 code to not restoring global registers.
14790
14791 2002-03-26 Neil Booth <neil@daikokuya.demon.co.uk>
14792
14793 * Makefile.in (ggc-common.o): Update.
14794 * c-decl.c (lang_mark_tree): Rename c_mark_tree.
14795 * c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
14796 * c-tree.h (c_mark_tree): New.
14797 * ggc-common.c: Include langhooks.h.
14798 (gcc_mark_trees): Use new langhook.
14799 * ggc-callbacks.c: Delete file.
14800 * ggc.h (lang_mark_tree): Remove.
14801 * langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
14802 (LANG_HOOKS_INITIALIZER): Update.
14803 * langhooks.h (struct lang_hooks): New hook.
14804 objc:
14805 * objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
14806
14807 2002-03-25 Zack Weinberg <zack@codesourcery.com>
14808
14809 * doc/cpp.texi: Exclude entire Top node from printed manual.
14810 Move option index after directive index. Insert page breaks
14811 before GFDL and concept index. Index environment variables
14812 with command line options.
14813 * doc/cppenv.texi: Use @vtable for environment variable list.
14814 Add paragraph explaining semantics of empty elements in path
14815 variables. Exclude a cross-reference to Fishkill from the
14816 manpage. Remove an unnecessary cross-reference of the entry
14817 right above the referer. Don't use @anchor in text that goes
14818 into manpage.
14819 * doc/cppopts.texi: Cross-reference the environment variables
14820 section, not the specific environment variable, for consistency.
14821
14822 2002-03-25 Richard Henderson <rth@redhat.com>
14823
14824 * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes
14825 anywhere in the block. Don't refer to insns that have been
14826 removed from the chain. Iterate backward through the new insns.
14827 Don't refer to edges that have been removed.
14828
14829 2002-03-26 Alan Modra <amodra@bigpond.net.au>
14830
14831 * combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct
14832 test for overflow of constant.
14833
14834 2002-03-25 Richard Earnshaw <rearnsha@arm.com>
14835
14836 PR target/2623
14837 * arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc)
14838 (loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use
14839 these patterns on arm_archv4.
14840
14841 2002-03-25 Danny Smith <dannysmith@sourceforge.users.net>
14842
14843 * config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned
14844 int".
14845
14846 2002-03-25 Zack Weinberg <zack@codesourcery.com>
14847
14848 * toplev.c: Don't include setjmp.h. Kill float_handler_set,
14849 float_handled, float_handler, float_signal, set_float_handler,
14850 and do_float_handler. Set handler for SIGFPE to crash_signal.
14851 * toplev.h: Don't prototype do_float_handler.
14852
14853 * c-lex.c: Fold parse_float into lex_number. Make warning
14854 about portability of hex float constants more informative, and
14855 don't issue it on top of a syntax error.
14856 * fold-const.c: Fold const_binop_1 and fold_convert_1 into
14857 their callers.
14858 * real.h: Define REAL_VALUE_ABS here...
14859 * simplify-rtx.c: ... not here. Fold check_fold_consts,
14860 simplify_unary_real, simplify_binary_real, and
14861 simplify_binary_is2orm1 into their callers.
14862 * tree.c: Fold build_real_from_int_cst_1 into caller.
14863
14864 * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.
14865
14866 * tsystem.h: Include float.h here...
14867 * libgcc2.c: ... not here.
14868
14869 2002-03-25 Nick Clifton <nickc@cambridge.redhat.com>
14870
14871 Fixes for: PR bootstrap/3591, target/5676
14872 * config/mcore/mcore.h (CC1_SPEC): Define only if not already
14873 defined. Do not disable exceptions or rtti.
14874 * config/mcore/mcore-pe.h (CC1_SPEC): Define before including
14875 mcore.h. Disable exceptions and rtti, since they are not
14876 supported by EPOC.
14877
14878 2002-03-25 Neil Booth <neil@daikokuya.demon.co.uk>
14879
14880 * c-decl.c (maybe_build_cleanup): Remove.
14881 * expr.c (expand_expr): Use langhook.
14882 * langhooks-def.h (lhd_return_null_tree,
14883 LANG_HOOKS_MAYBE_BUILD_CLEANUP): New.
14884 (LANGHOOKS_INITIALIZER): Update.
14885 * langhooks.c (lhd_return_null_tree): New.
14886 * langhooks.h (struct lang_hooks): New hook.
14887 * tree-inline.c (initialize_inlined_parameters): Use langhook.
14888 * tree.h (maybe_build_cleanup): Remove.
14889
14890 2002-03-25 Jakub Jelinek <jakub@redhat.com>
14891
14892 * regrename.c (build_def_use): Move recog_memoized
14893 before extract_insn.
14894
14895 2002-03-25 Jakub Jelinek <jakub@redhat.com>
14896
14897 PR target/6043
14898 * expr.c (emit_group_store): Handle storing into CONCAT.
14899
14900 2002-03-25 Jakub Jelinek <jakub@redhat.com>
14901
14902 * regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and
14903 corresponding MATCH_DUP.
14904
14905 2002-03-24 Richard Henderson <rth@redhat.com>
14906
14907 * unroll.c (unroll_loop): Zero label_map.
14908
14909 * gcse.c: Include except.h.
14910 * Makefile.in (gcse.o): Update.
14911
14912 2002-03-24 Richard Henderson <rth@redhat.com>
14913
14914 * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change.
14915 Do resolve_unique_section before shared data clause.
14916
14917 2002-03-24 Richard Henderson <rth@redhat.com>
14918
14919 * config/alpha/elf.h (STARTFILE_SPEC): Use crtbeginT with -static.
14920
14921 2002-03-24 Richard Henderson <rth@redhat.com>
14922
14923 * recog.c (peephole2_optimize): Split blocks when EH insns are
14924 generated in the middle of a block. Do global life update if
14925 zapped EH edges.
14926
14927 2002-03-24 Richard Henderson <rth@redhat.com>
14928
14929 * mips.c (mips_function_value): Only promote_mode for non-libcalls.
14930
14931 2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk>
14932
14933 preprocessor/3951
14934 * gcc.c (cpp_options): Pass -MD through as -MD not -M -MF.
14935 * cppinit.c (cpp_handle_option): Set no_ouput if -MD or -MMD.
14936 (init_dependency_output): Don't make no_output decision here.
14937
14938 2002-03-24 Andrew Cagney <ac131313@redhat.com>
14939
14940 * stmt.c (check_for_full_enumeration_handling): Remove tests of
14941 warn_switch. Update description.
14942 (expand_end_case_type): Call check_for_full_enumeration_handling
14943 when warn_switch.
14944
14945 2002-03-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
14946
14947 * config/m68hc11/m68hc11.c (m68hc11_autoinc_compatible_p): New function.
14948 (m68hc11_split_move): Call it to see if the source and destination
14949 operands use the same direction auto inc/dec mode, otherwise make the
14950 source an offsetable memory operand and generate an add.
14951
14952 2002-03-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
14953
14954 * config/m68hc11/m68hc11.md ("*subsi3_zero_extendhi"): Allow address
14955 register for operand 2.
14956 ("*subsi3_zero_extendqi"): Likewise.
14957 ("*iorhi3_gen"): Do the operation on the upper bits and then lower
14958 bits so that it is compatible with a pop.
14959 ("*andhi3_gen"): Likewise.
14960 ("xorhi3"): Likewise.
14961
14962 2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk>
14963
14964 * cppinit.c (cpp_handle_option): Set warn_endif_labels if
14965 -pedantic here...
14966 (cpp_post_options): ... not here.
14967
14968 2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk>
14969 Aldy Hernandez <aldyh@redhat.com>
14970
14971 Removal of separate preprocessor cpp0.
14972
14973 * Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
14974 cpp0, install-common): Update.
14975 * c-common.c (flag_preprocess_only): New.
14976 (c_common_init): Preprocess for -E.
14977 * c-common.h (flag_preprocess_only): New.
14978 * c-decl.c (c_decode_option): Handle -E and -std=c++98.
14979 * c-objc-common.c (c_init_decl_processing): Exit quickly
14980 for NULL return from c_common_init.
14981 * cpplib.h (cpp_preprocess_file): New.
14982 * cppmain.c (main, general_init, pfile, progname): Remove.
14983 (do_preprocessing): Rename cpp_preprocess_file, don't call
14984 cpp_finish. Don't close stdout here.
14985 (setup_callbacks): Update prototype.
14986 * gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
14987 Update.
14988 * tradcpp.c (main): Ignore -quiet.
14989 objc:
14990 * lang-specs.h (default_compilers): Preprocess with cc1obj.
14991
14992 2002-03-24 Richard Henderson <rth@redhat.com>
14993
14994 PR optimization/5742
14995 * machmode.def: Add inner mode field to complex modes.
14996 * config/mips/mips.c (mips_function_value): Always define. Add
14997 new argument to handle libcalls.
14998 * config/mips/mips.h (LIBCALL_VALUE): Use mips_function_value.
14999 (FUNCTION_VALUE): Likewise.
15000 * config/mips/abi64.h (FUNCTION_VALUE): Remove.
15001 * config/mips/mips-protos.h: Update.
15002
15003 2002-03-23 Richard Henderson <rth@redhat.com>
15004
15005 * config/sparc/sparc.c (sparc_emit_floatunsdi): New.
15006 * config/sparc/sparc-protos.h: Update.
15007 * config/sparc/sparc.md (floatunsdisf2, floatunsdidf2): New.
15008
15009 2002-03-23 Richard Henderson <rth@redhat.com>
15010
15011 * config/sparc/gmon-sol2.c (internal_mcount): Assume either
15012 _start or _init begins the text segment.
15013
15014 2002-03-23 David Edelsohn <edelsohn@gnu.org>
15015
15016 * config/rs6000/rs6000.h (RETURN_IN_MEMORY): Cast to HOST_WIDE_INT
15017 not HOST_WIDEST_INT.
15018 (RS6000_ARG_SIZE): Remove unsigned cast of int_size_in_bytes.
15019
15020 2002-03-23 Richard Earnshaw <rearnsha@arm.com>
15021
15022 PR java/5489
15023 * arm.md (return, sibcall_epilogue): Pass const_true_rtx as the
15024 operand argument to output_return_instruction.
15025 * arm.c (arm_print_operand, case 'd'): If the operand is
15026 const_true_rtx then just return.
15027 (arm_print_operand, case 'D'): If the operand is const_true_rtx
15028 then abort.
15029
15030 2002-03-23 Andrew Cagney <ac131313@redhat.com>
15031
15032 * doc/invoke.texi (Option Summary): Mention -Wswitch-default.
15033 (Warning Options): Document -Wswitch-default.
15034 * toplev.c (W_options): Add -Wswitch-default. Update comment on
15035 -Wswitch.
15036 (warn_switch_default): Define variable.
15037 (warn_switch): Update comment.
15038 * flags.h (warn_switch_default): Declare variable.
15039 (warn_switch): Update comment.
15040 * stmt.c (expand_end_case): Check for and, when
15041 warn_switch_no_default, warn of a missing default case.
15042
15043 2002-03-23 Alan Modra <amodra@bigpond.net.au>
15044
15045 * real.h (N): Special case 128 bit doubles.
15046
15047 * combine.c (simplify_comparison): When widening modes, ignore
15048 sign extension on CONST_INTs.
15049
15050 2002-03-22 Bob Wilson <bob.wilson@acm.org>
15051
15052 * config/xtensa/xtensa.c (print_operand): Fix incorrect mode
15053 passed to adjust_address. Fix comment formatting.
15054
15055
15056 2002-03-22 Zack Weinberg <zack@codesourcery.com>
15057
15058 * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
15059 Always make REAL_VALUE_TYPE a struct containing an array of
15060 HOST_WIDE_INT, not a double. Tidy up the code deciding how
15061 big it is. Don't declare or use union real_extract.
15062
15063 * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
15064 decode_rtx_const, output_constant_pool), config/a29k/a29k.c
15065 (print_operand), config/arm/arm.c (output_move_double),
15066 config/arm/arm.md (consttable_4, consttable_8),
15067 config/romp/romp.c (output_fpops), config/s390/s390.h
15068 (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
15069 (xtensa_output_literal): Don't use union real_extract.
15070
15071 * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
15072 (sfmode_constant_to_ulong), config/ns32k/merlin.h
15073 (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
15074 config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
15075 (PRINT_OPERAND): Don't use local version of union
15076 real_extract.
15077
15078 * config/convex/convex.c (check_float_value), config/vax/vax.c
15079 (vax_float_literal), config/m88k/m88k.md (divdf3),
15080 config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
15081 config/pdp11/pdp11.c (output_move_quad): Don't do host
15082 arithmetic on target floating point quantities.
15083
15084 * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
15085 (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.
15086
15087 * fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
15088 Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.
15089
15090 * real.c (earith): Test INFINITY rather than REAL_INFINITY;
15091 NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
15092 INFINITY.
15093 * print-rtl.c (print_rtx): Disable code which needs
15094 floating-point emulator.
15095 * libgcc2.c: Include float.h and use DBL_MANT_DIG,
15096 FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
15097 depending on HOST_FLOAT_FORMAT to be defined properly.
15098
15099 * config/1750a/1750a.c (get_double, float_label): Delete.
15100 (print_operand): Delete huge commented-out chunk. Use
15101 REAL_VALUE_TO_DECIMAL.
15102 * config/1750a/1750a-protos.h: Delete prototypes of deleted
15103 functions.
15104 * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
15105 IEEE_FLOAT_FORMAT.
15106 * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
15107 Use REAL_VALUE_TO_DECIMAL as ELF version does.
15108 * config/m88k/m88k.c (real_power_of_2_operand,
15109 legitimize_operand): Take the REAL_VALUE_TYPE and/or union
15110 real_extract out of the union; run the input through
15111 REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
15112 from that into the union.
15113 * config/pdp11/pdp11.c (output_move_double): Rearrange
15114 parentheses to make automatic indenter happy.
15115
15116 * doc/tm.texi (Cross-compilation): Rename node to "Floating
15117 Point" and rewrite to describe current situation. Also adjust
15118 documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
15119 match code.
15120 * doc/rtl.texi: Adjust cross reference.
15121
15122 2002-03-22 Bob Wilson <bob.wilson@acm.org>
15123
15124 * config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove.
15125 (xtensa_valid_move, xtensa_preferred_reload_class): Define.
15126 * config/xtensa/xtensa.c (non_acc_reg_operand): Remove.
15127 (xtensa_valid_move, xtensa_preferred_reload_class): Define to
15128 prevent use of sp as a reload register.
15129 (xtensa_emit_move_sequence): Use xtensa_valid_move instead of
15130 non_acc_reg_operand.
15131 * config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand.
15132 (PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class.
15133 * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
15134 movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand.
15135
15136 2002-03-22 Neil Booth <neil@daikokuya.demon.co.uk>
15137
15138 * cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
15139 * cpplex.c (unterminated): Delete.
15140 (parse_string): No string literal may extend over multiple
15141 lines. Suppress the error when preprocessing assembly.
15142 * cppmain.c (scan_translation_unit): Strings are single-line.
15143
15144 * doc/cpp.texi: Update to match.
15145
15146 2002-03-22 Jakub Jelinek <jakub@redhat.com>
15147
15148 PR optimization/5854
15149 * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0.
15150 Shut up warnings.
15151 (CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0.
15152 (EXTRA_CONSTRAINT): Use S for non-push memory operand.
15153 * config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from
15154 const0 if scratch register was not allocated.
15155 (m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart,
15156 m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...)
15157 with GEN_INT (...).
15158 (m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs.
15159 * config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...)
15160 with GEN_INT (...) everywhere. Remove constraints in define_split
15161 patterns.
15162 (movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't
15163 require scratch register for setting 0 into regs/non-pushable memory.
15164
15165 2002-03-22 Alexandre Oliva <aoliva@redhat.com>
15166
15167 * config/mips/mips.h (MASK_RETURN_ADDR): Define.
15168 (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
15169
15170 2002-03-22 Phil Edwards <pme@gcc.gnu.org>
15171
15172 * cpplib.h (struct cpp_options): New member, warn_endif_labels.
15173 * cppinit.c (cpp_create_reader): On by default.
15174 (cpp_handle_option): Handle -W[no-]endif-labels.
15175 (cpp_post_options): Also enable if -pedantic.
15176 * cpplib.c (do_else): Use it.
15177 (do_endif): Likewise.
15178 * doc/cppopts.texi: Document new option.
15179 * doc/invoke.texi: Document new option.
15180
15181 2002-03-22 Lars Brinkhoff <lars@nocrew.org>
15182
15183 * config/i386/i386.c, config/i386/i386.md: Change all occurences
15184 of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...).
15185
15186 2002-03-22 Alexandre Oliva <aoliva@redhat.com>
15187
15188 * flow.c (calculate_global_regs_live): Clear aux fields of
15189 ENTRY and EXIT.
15190
15191 2002-03-22 Jakub Jelinek <jakub@redhat.com>
15192
15193 * config/v850/v850.c (v850_reorg): Only call alter_subreg on
15194 REG or MEM subregs, pass rtx * instead of rtx to it.
15195 * config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass
15196 rtx * instead of rtx to alter_subreg.
15197 * config/m32r/m32r.c (gen_split_move_double): Likewise.
15198 * config/pj/pj.c (pj_output_rval): Likewise.
15199
15200 2002-03-22 Richard Henderson <rth@redhat.com>
15201
15202 PR target/3177
15203 * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs.
15204 (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update.
15205 * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs.
15206 (ia64_expand_prologue): Look at int_regs, not words, for number
15207 of incomming int regs.
15208
15209 2002-03-22 Andrew MacLeod <amacleod@redhat.com>
15210
15211 * expr.c (expand_expr): A RESULT_DECL is part of a call.
15212
15213 Fri Mar 22 16:30:42 CET 2002 Jan Hubicka <jh@suse.cz>
15214
15215 * toplev.c (flag_loop_optimize, flag_crossjumping):
15216 New static variables.
15217 (rest_of_compilation): Conditionalize crossjumping and
15218 loop optimizer.
15219 (parse_options_and_default_flags): Default loop_optimize and
15220 crossjumping.
15221 (lang_independent_options): Add -fcrossjumping and -floop-optimize
15222 * invoke.texi (crossjumping, loop-optimize): Document.
15223
15224 2002-03-22 Richard Sandiford <rsandifo@redhat.com>
15225
15226 * real.c (eiisneg): Move outside #ifdef NANS.
15227
15228 Fri Mar 22 12:08:36 CET 2002 Jan Hubicka <jh@suse.cz>
15229
15230 * cfgcleanup.c (outgoing_edges_math): Fix condition; relax
15231 frequencies match; avoid match on different loop depths.
15232 (try_crossjump_to_bb): Kill tests that no longer brings time
15233 savings.
15234 * cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth
15235 updating code.
15236 (split_edge): Likewise.
15237
15238 * flow.c (update_life_info_in_dirty_blocks): Fix uninitialized
15239 variable.
15240
15241 * Makefile.in (cfgrtl): Add insn-config.h depenendency.
15242 * cfgrtl.c: Include insn-config.h
15243 (split_block) Dirtify block in presence of conditional execution
15244
15245 2002-03-22 Richard Sandiford <rsandifo@redhat.com>
15246
15247 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine.
15248 * config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare.
15249 (function_arg): Constify CUMULATIVE_ARGS.
15250 (function_arg_partial_nregs, function_arg_pass_by_reference): Likewise.
15251 * config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT.
15252 (UNITS_PER_DOUBLE): New macro.
15253 (SETUP_INCOMING_VARARGS): Define. Use mips_setup_incoming_varargs.
15254 (CUMULATIVE_ARGS): Reformat. Remove num_adjusts workaround and
15255 last_arg_fp field. Replace arg_words and fp_arg_words with gp_regs,
15256 fp_regs and stack_words.
15257 (EABI_FLOAT_VARARGS_P): New macro.
15258 * config/mips/mips.c (struct mips_arg_info): New.
15259 (mips_arg_info): New function.
15260 (function_arg_advance): Use it. Add adjustment instructions here
15261 rather than in function_arg.
15262 (function_arg): Constify CUMULATIVE_ARGS. Use mips_arg_info. Check
15263 for VOIDmode at the beginning of the function.
15264 (function_partial_nregs): Constify CUMULATIVE_ARGS. Use mips_arg_info.
15265 (function_arg_pass_by_reference): Likewise.
15266 (mips_setup_incoming_varags): New, largely based on old abi64.h code.
15267 (mips_build_va_list): Test EABI_FLOAT_VARARGS_P.
15268 (mips_va_start): Likewise. Use the new stack_words field of
15269 CUMULATIVE_ARGS to set up overflow area. Reformat.
15270 (mips_va_arg): Test EABI_FLOAT_VARARGS_P. Unify EABI handling of
15271 doubles and other types, aligning the overflow pointer for non-doubles
15272 too. Remove some code duplication. Replace hard-coded constants.
15273
15274 2002-03-22 Richard Sandiford <rsandifo@redhat.com>
15275
15276 * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
15277 (CLASS_UNITS): Undefine.
15278 (CLASS_MAX_NREGS): Use FP_INC.
15279 * config/mips/mips.c (compute_frame_size): Likewise.
15280 (override_options): Use FP_INC and UNITS_PER_FPVALUE.
15281
15282 2002-03-22 Neil Booth <neil@daikokuya.demon.co.uk>
15283
15284 * cpplex.c (parse_identifier_slow): Rename parse_slow, adjust
15285 prototype, and handle lexing numbers and identifiers.
15286 (parse_identifier): Update to new form of parse_slow.
15287 (parse_number): Fast path only, use parse_slow otherwise.
15288 (_cpp_lex_direct): Update calls to parse_number.
15289
15290 2002-03-21 DJ Delorie <dj@redhat.com>
15291
15292 * bb-reorder.c (make_reorder_chain_1): Protect against
15293 when redundant edges are omitted.
15294 * predict.c (dump_prediction): Likewise.
15295
15296 2002-03-21 Richard Henderson <rth@redhat.com>
15297
15298 PR target/5996
15299 * fixinc/inclhack.def (solaris_stdio_tag): New.
15300 * fixinc/fixincl.x: Regenerate.
15301
15302 2002-03-21 Eric Botcazou <ebotcazou@multimania.com>
15303
15304 PR c/5597
15305 * c-typeck.c (process_init_element): Flag non-static
15306 initialization of a flexible array member as illegal.
15307
15308 2002-03-22 Alan Modra <amodra@bigpond.net.au>
15309
15310 * config/rs6000/t-linux64: New.
15311 * config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and
15312 t-ppccomm. Use t-rs6000 and t-linux64.
15313 (powerpc64-*-gnu* <tmake_file>): Likewise.
15314 * mklibgcc.in (SHLIB_MKMAP_OPTS): New variable.
15315 * mkmap-symver.awk (dotsyms): If set, output .foo as well as foo.
15316 * Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc.
15317
15318 2002-03-21 Aldy Hernandez <aldyh@redhat.com>
15319
15320 * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check
15321 flag_really_no_inline instead of optimize == 0.
15322
15323 * c-objc-common.c (c_cannot_inline_tree_fn): Same.
15324
15325 * cp/tree.c (cp_cannot_inline_tree_fn): Same.
15326
15327 * flags.h (flag_really_no_inline): New.
15328
15329 * c-common.c (c_common_post_options): Initialize
15330 flag_really_no_inline.
15331
15332 * toplev.c (flag_really_no_inline): New.
15333
15334 2002-03-21 Jakub Jelinek <jakub@redhat.com>
15335
15336 * config/avr/avr.md (length): Fix length computation for
15337 conditional branches.
15338
15339 2002-03-21 Neil Booth <neil@daikokuya.demon.co.uk>
15340
15341 * Makefile.in (fold-const.o, stor-layout.o, stmt.o,
15342 sdbout.o, profile.o): Update.
15343 * c-common.c (c_common_nodes_and_builtins): Use pushdecl
15344 langhook.
15345 * c-common.h (gettags): Move here from tree.h.
15346 * c-tree.h (pushdecl, pushlevel, poplevel, set_block,
15347 insert_block, getdecls, kept_level_p, global_bindings_p): New.
15348 * dbxout.c (dbxout_init): Use getdecls langhook.
15349 * expr.c (expand_expr): Use insert_block langhook.
15350 * fold-const.c: Include langhooks.h.
15351 (fold_range_test, fold_binary_op_with_conditional_arg,
15352 fold): Use global_bindings_p langhook.
15353 * integrate.c (expand_inline_function): Use insert_block langhook.
15354 * langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
15355 LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
15356 LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
15357 LANG_HOOKS_GETDECLS): New.
15358 (LANG_HOOKS_INITIALIZER): Update.
15359 * langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
15360 langhook.
15361 * langhooks.h (struct lang_hooks_for_decls): New.
15362 (struct lang_hooks): Update.
15363 * profile.c: Include langhooks.h.
15364 (output_func_start_profiler): Use new langhooks.
15365 * sdbout.c: Include langhooks.h.
15366 (sdbout_init, sdbout_finish): Use getdecls langhook.
15367 * stmt.c: Include langhooks.h.
15368 (expand_fixup, fixup_gotos): Use new langhooks.
15369 * stor-layout.c: Include langhooks.h.
15370 (variable_size): Use global_bindings_p langhook.
15371 * toplev.c (compile_file): Use getdecls langhook.
15372 * tree-inline.c (remap_block): Use insert_block langhook.
15373 * tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
15374 insert_block, getdecls, kept_level_p, global_bindings_p): Remove.
15375
15376 2002-03-21 Richard Henderson <rth@redhat.com>
15377
15378 * config/rs6000/rs6000.c (rs6000_select_rtx_section): Put symbolic
15379 constants in .data when -fpic.
15380
15381 2002-03-21 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15382
15383 * doc/contrib.texi (Contributors): Use GNU/Linux instead of Linux
15384 where appropriate.
15385
15386 2002-03-21 Tom Tromey <tromey@redhat.com>
15387
15388 * config/i386/sol2.h (ASM_QUAD): Undef. Fixes PR bootstrap/5948.
15389
15390 Thu Mar 21 09:50:48 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15391
15392 * config/ia64/ia64.c (hfa_element_mode, case ARRAY_TYPE): Recurse.
15393
15394 * expr.c (emit_group_store): Don't copy const0_rtx to a CONCAT.
15395
15396 2002-03-21 Eric Botcazou <ebotcazou@multimania.com>
15397 Richard Henderson <rth@redhat.com>
15398
15399 PR c/5354
15400 * c-common.c (c_expand_expr): Preserve result of a statement
15401 expression if needed.
15402
15403 2002-03-21 Jakub Jelinek <jakub@redhat.com>
15404
15405 PR bootstrap/4195
15406 * genrecog.c (maybe_both_true_mode): Remove.
15407 (maybe_both_true_2, write_switch): Revert 2001-07-17 changes.
15408 * machmode.def (Pmode): Likewise.
15409
15410 Thu Mar 21 01:55:06 EST 2002 John Wehle (john@feith.com)
15411
15412 * alias.c: (nonlocal_mentioned_p): Use for_each_rtx.
15413 (nonlocal_mentioned_p_1): New function.
15414 (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise.
15415 (nonlocal_set_p, nonlocal_set_p_1): Likewise.
15416 (mark_constant_function): Recognize pure functions.
15417 * rtl.h (global_reg_mentioned_p): New prototype.
15418 * rtlanal.c (global_reg_mentioned_p,
15419 global_reg_mentioned_p_1): New function.
15420
15421 2002-03-21 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15422
15423 * fixinc/inclhack.def (alpha_assert): Fix assert macro in Tru64
15424 UNIX assert.h.
15425 * fixinc/fixincl.x: Regenerate.
15426
15427 2002-03-20 Jason Merrill <jason@redhat.com>
15428
15429 * config/i386/cygwin.h (DWARF2_UNWIND_INFO): Define to 0.
15430
15431 2002-03-20 Michael Meissner <meissner@redhat.com>
15432
15433 * doc/invoke.texi (Optimize Options): Document that -O2 sets
15434 -fstrict-aliasing.
15435
15436 2002-03-20 Bob Wilson <bob.wilson@acm.org>
15437
15438 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Emit a
15439 ".literal_position" directive before the constant pool.
15440
15441 2002-03-20 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15442
15443 * doc/contrib.texi (Contributors): Update Geoffrey Keating.
15444 Add Craig Rodrigues.
15445 Add Brad Lucier to testers.
15446
15447 2002-03-20 Jakub Jelinek <jakub@redhat.com>
15448
15449 PR target/4792
15450 * config/arc/arc.md (movsicc, movdicc, movsfcc, movdfcc): Add mode
15451 to if_then_else.
15452 (movsicc_insn, movdicc_insn, movsfcc_insn, movdfcc_insn): Likewise.
15453 * config/arc/arc.c (arc_final_prescan_insn): Use extract_insn_cached
15454 instead of insn_extract.
15455
15456 2002-03-20 Jakub Jelinek <jakub@redhat.com>
15457
15458 PR bootstrap/4192
15459 * config/fr30/fr30.md (jump): Remove clobber of fixed register.
15460
15461 * genemit.c (output_added_clobbers_hard_reg_p): Only output return
15462 stmt if some case has been output.
15463
15464 2002-03-20 Jakub Jelinek <jakub@redhat.com>
15465
15466 PR c/5972
15467 * config/i386/i386.md (movdicc_c_rex64, movsicc_noc, movhicc_noc,
15468 movsfcc_1, movdfcc_1): Add %O2.
15469 * config/i386/i386.c (print_operand): Handle %ON.
15470 Print . before float condition codes in Sun as cmov syntax.
15471 * config/i386/sol2.h (CMOV_SUN_AS_SYNTAX): Define for Sun as.
15472 * config.gcc (i[34567]86-*-solaris2*): Remove comment which is
15473 no longer true.
15474
15475 2002-03-20 Philip Blundell <pb@nexus.co.uk>
15476
15477 * config/arm/arm.c (arm_output_epilogue): Don't generate separate
15478 return instruction if PC was popped.
15479
15480 2002-03-20 Bob Wilson <bob.wilson@acm.org>
15481
15482 * config/xtensa/xtensa.md: Remove unused type attributes.
15483 (adddi_carry, subddi_carry): Change type attribute to "multi".
15484
15485 2002-03-19 Dale Johannesen <dalej@apple.com>
15486
15487 PR optimization/5999, middle-end/5731
15488 * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into
15489 multiplications by reciprocals.
15490
15491 2002-03-20 Neil Booth <neil@daikokuya.demon.co.uk>
15492
15493 * Makefile.in: Update.
15494 * c-common.c: Include langhooks.h.
15495 (inline_forbidden_p): Use new hook.
15496 * diagnostic.c: Include langhooks.h.
15497 (format_with_decl, announce_function,
15498 default_print_error_function): Use new hook.
15499 * dwarf2out.c (dwarf2_name): Use new hook.
15500 * function.c: Include langhooks.h.
15501 (init_function_start): Use new hook.
15502 * langhooks-def.h (lhd_decl_printable_name): New.
15503 (LANGHOOKS_DECL_PRINTABLE_NAME): New.
15504 (LANGHOOKS_INITIALIZER): Update.
15505 * langhooks.c (lhd_decl_printable_name): New.
15506 * langhooks.h (struct lang_hooks): New hook.
15507 * toplev.c (decl_name, decl_printable_name): Remove.
15508 (open_dump_file): Use new hook.
15509 (process_options): Remove old hook.
15510 * tree.h (decl_printable_name): Remove.
15511 objc:
15512 * objc-act.c (objc_init): Remove old hook.
15513 (objc_printable_name): Export.
15514 * objc-act.h (objc_printable_name): New.
15515 * objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
15516
15517 2002-03-19 Jim Blandy <jimb@redhat.com>
15518
15519 * c-lex.c (cb_file_change): Pass the #inclusion's line number to
15520 the start_source_file debug hook, not the current line number.
15521
15522 2002-03-19 Richard Henderson <rth@redhat.com>
15523
15524 * flow.c (EH_USES): Provide default.
15525 (calculate_global_regs_live): Use it for EH edges and noreturn calls.
15526 * doc/tm.texi (EH_USES): New.
15527
15528 * config/ia64/ia64.c (ia64_eh_uses): New.
15529 * config/ia64/ia64-protos.h: Update.
15530 * config/ia64/ia64.h (EH_USES): New.
15531
15532 2002-03-19 Richard Henderson <rth@redhat.com>
15533
15534 * varasm.c (output_constant_def): Fix stupid typo.
15535
15536 2002-03-19 Richard Henderson <rth@redhat.com>
15537
15538 PR 5879
15539 * except.c (current_function_has_exception_handlers): New.
15540 * except.h: Declare it.
15541 * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
15542 Combine tests that disable all sibcalls for the function.
15543
15544 2002-03-19 Olivier Hainque <hainque@act-europe.fr>
15545
15546 * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO
15547 for INTEGER_CST.
15548
15549 2002-03-19 Richard Henderson <rth@redhat.com>
15550
15551 PR 5977, 5991
15552 * config/ia64/ia64.c: Revert 2002-03-01 patch.
15553 * config/ia64/ia64.h (INIT_EXPANDERS): New.
15554
15555 2002-03-19 Jim Blandy <jimb@redhat.com>
15556
15557 * cppmacro.c (cpp_macro_definition): Emit a space after the macro
15558 name, even if the replacement list contains no tokens, as required
15559 by Dwarf.
15560
15561 2002-03-19 Jason Merrill <jason@redhat.com>
15562
15563 * varasm.c (globalize_decl): Get the name from the RTL, not
15564 DECL_ASSEMBLER_NAME.
15565
15566 * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g.
15567
15568 2002-03-19 Bob Wilson <bob.wilson@acm.org>
15569
15570 * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3,
15571 subdi_carry): Define.
15572
15573 2002-03-19 David Edelsohn <edelsohn@gnu.org>
15574
15575 * config/rs6000/rs6000.c (rs6000_override_options): Only warn
15576 about -fpic/-fPIC if extra_warnings set.
15577
15578 2002-03-19 David Edelsohn <edelsohn@gnu.org>
15579
15580 * expr.c (expand_expr): Sign-extend CONST_INT generated from
15581 TREE_STRING_POINTER.
15582 * fold-const.c (fold): Delete #if 0 ARRAY_REF case.
15583
15584 Tue Mar 19 14:12:32 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15585
15586 * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP
15587 in favor of SP if FRAME_POINTER_REQUIRED is false.
15588
15589 2002-03-19 Lars Brinkhoff <lars@nocrew.org>
15590
15591 * emit-rtl.c (gen_int_mode): New function.
15592 * rtl.h: Prototype for it.
15593 * combine.c (make_extraction, simplify_comparison), expmed.c
15594 (store_bit_field, expand_mult_highpart, expand_divmod), expr.c
15595 (convert_modes, store_field), optabs.c (expand_fix),
15596 simplify-rtx.c (neg_const_int, simplify_unary_real),
15597
15598 * config/rs6000/rs6000.c, config/rs6000/rs6000.md:
15599 Use it instead of GEN_INT (trunc_int_for_mode (...)).
15600
15601 2002-03-19 Jakub Jelinek <jakub@redhat.com>
15602
15603 PR c/5656
15604 * langhooks.h (struct lang_hooks_for_tree_inlining): Add
15605 convert_parm_for_inlining.
15606 * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
15607 Define.
15608 * langhooks-def.h: Likewise.
15609 * objc/objc-lang.c: Likewise.
15610 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
15611 function.
15612 * tree-inline.c (initialize_inlined_parameters):
15613 Call convert_parm_for_inlining lang hook if needed.
15614 * c-typeck.c (c_convert_parm_for_inlining): New function.
15615 * c-tree.h (c_convert_parm_for_inlining): Add prototype.
15616
15617 2002-03-18 Mark Mitchell <mark@codesourcery.com>
15618
15619 * calls.c (precompute_arguments): Do not assume that temporaries
15620 can be destroyed after expanding the argument.
15621 (expand_call): Likewise.
15622
15623 2002-03-15 Eric Christopher <echristo@redhat.com>
15624
15625 * config/mips/mips.md (movdf_internal2): Add two new move constraints.
15626 Fix register preference on last change.
15627 * config/mips/mips.c (mips_return_in_memory): New function.
15628 * config/mips/mips.h (RETURN_IN_MEMORY): Use.
15629 * config/mips/mips-protos.h: Declare.
15630 * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above.
15631 * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults.
15632
15633 2002-03-18 Alexandre Oliva <aoliva@redhat.com>
15634
15635 * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to
15636 a register too.
15637 (anddi3, iorsi3): Likewise.
15638
15639 * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't
15640 use %gprel for symbols that are going to be placed in linkonce
15641 sections.
15642
15643 * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate
15644 RETURN_ADDRESS_POINTER_REGNUM to $ra.
15645 (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is
15646 not needed. Disregard leaf_function_p().
15647 (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to
15648 mips16 frame pointer.
15649 * config/mips/mips.md (store ra): Only to small SP offsets.
15650 2001-08-22 Graham Stott <grahams@redhat.com>
15651 * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function
15652 return a REG rtx for the return address register.
15653
15654 2002-03-18 Bob Wilson <bob.wilson@acm.org>
15655
15656 * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat
15657 constant-pool addresses as "mode-dependent".
15658 (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments.
15659
15660 2002-03-18 Jakub Jelinek <jakub@redhat.com>
15661
15662 PR target/5740
15663 * expr.c (emit_group_load): Use extract_bit_field if
15664 needed for CONCAT arguments.
15665
15666 2002-03-18 Richard Earnshaw <rearnsha@arm.com>
15667
15668 PR target/4863
15669 * arm.md (tablejump): Make this a define_expand. For PIC add the
15670 offset to the base of the table.
15671 (thumb_tablejump): Matcher for Thumb tablejump insn.
15672 * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries
15673 as the difference of two labels.
15674 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
15675 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump
15676 tables in the code.
15677 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
15678 * arm.c (get_jump_table_size): If the table is not in the text
15679 section, return zero.
15680
15681 2002-03-18 Bernd Schmidt <bernds@redhat.com>
15682
15683 * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead
15684 of gen_rtx_SUBREG.
15685 (arm_reload_out_hi): Use gen_lowpart instead of
15686 gen_rtx_SUBREG to access QImode components.
15687 * config/arm/arm.md: Disable zero_extend split for QImode
15688 subregs in BIG_ENDIAN mode.
15689 (storehi_bigend): Match use of least significant byte.
15690 (storeinthi): Remove extraneous SUBREG.
15691 Add missing construction of operands[2].
15692 (movhi): Use gen_lowpart in place of gen_rtx_SUBREG.
15693 (movqi): Use gen_lowpart in place of gen_rtx_SUBREG.
15694 Replace gen_rtx (SUBREG) with gen_rtx_SUBREG.
15695
15696 2002-03-18 Aldy Hernandez <aldyh@redhat.com>
15697
15698 * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to
15699 any_operand.
15700
15701 2002-03-17 Richard Henderson <rth@redhat.com>
15702
15703 * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns
15704 explicitly.
15705
15706 2002-03-17 Hans-Peter Nilsson <hp@bitrange.com>
15707
15708 * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI
15709 (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)).
15710
15711 2002-03-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15712
15713 * ifcvt.c (dead_or_predicable): Fix uninitialized variable.
15714
15715 * predict.c (estimate_bb_frequencies): Delete unused variables.
15716
15717 2002-03-17 Richard Henderson <rth@redhat.com>
15718
15719 * config/ia64/ia64.c (ia64_attribute_table): Move before
15720 targetm definition. Make static.
15721
15722 2002-03-17 Neil Booth <neil@daikokuya.demon.co.uk>
15723
15724 * c-common.h (yyparse, c_common_parse_file): New.
15725 * c-lang.c: Include c-common.h.
15726 (LANG_HOOKS_PARSE_FILE): Redefine.
15727 * c-lex.c: Include c-common.h.
15728 (yyparse): Rename c_common_parse_file. Call yyparse.
15729 * c-parse.in (yyparse): Remove macro.
15730 * c-tree.h (yyparse_1): Remove.
15731 * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
15732 (LANG_HOOKS_INITIALIZER): Update.
15733 * langhooks.h (struct lang_hoooks): New hook parse_file.
15734 * toplev.c (compile_file): Use parse_file hook.
15735 * tree.h (yyparse): Remove.
15736 * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.
15737
15738 2002-03-17 Hans-Peter Nilsson <hp@bitrange.com>
15739
15740 * config/mmix/mmix.md ("truncdfsf2"): Correct operator is
15741 float_truncate, not fix.
15742 ("*truncdfsf2_real"): Ditto.
15743 ("*nonlocal_goto_receiver_expanded"): Fix output template formatting.
15744
15745 * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define.
15746
15747 2002-03-16 Alexandre Oliva <aoliva@redhat.com>
15748
15749 * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp
15750 (s8), but rather HARD_FRAME_POINTER_REGNUM. Add parentheses
15751 where appropriate. Make the second reference to
15752 leaf_function_p a function call, as intended. Reindented.
15753
15754 * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16.
15755 * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'.
15756
15757 * config/mips/mips.md (addsi3, adddi3): Use scratch register to
15758 add register to non-constant into sp.
15759
15760 * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New.
15761 * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose.
15762 (mips16_gp_pseudo_rtx): Lose.
15763 (INIT_EXPANDERS): Deleted.
15764 * config/mips/mips.c (mips_init_machine_status): New.
15765 (mips_free_machine_status): New.
15766 (mips_mark_machine_status): New.
15767 (override_options): Set them.
15768 (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to...
15769 (struct machine_function): ... new. Replaced all references.
15770 (mips_add_gc_roots): Don't mark them.
15771 (embedded_pic_fnaddr_reg): New, extracted from...
15772 (embedded_pic_offset): ... here.
15773 * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg.
15774 (movsi): Likewise.
15775
15776 2002-03-16 Neil Booth <neil@daikokuya.demon.co.uk>
15777
15778 * cppinit.c: Revert -MD removal.
15779
15780 2002-03-16 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15781
15782 * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use
15783 soft registers by default for 68HC12.
15784 (m68hc11_conditional_register_usage): Don't use Z register for 68HC12
15785 when compiling with -fomit-frame-pointer.
15786 (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12.
15787 (expand_epilogue): Likewise.
15788 (m68hc11_gen_rotate): Use exg when rotating by 8.
15789
15790 2002-03-16 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15791
15792 * config/m68hc11/m68hc11-protos.h (ix_reg): Declare.
15793 * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources.
15794 (splits): Remove unused add splits.
15795 ("*addhi3_68hc12"): Tune constraints.
15796 ("addhi_sp"): Try to use X instead of Y in all cases and if the
15797 constant fits in 8-bits and D is dead use abx/aby instructions.
15798 ("*addhi3"): Remove extern declaration of ix_reg.
15799 ("*subsi3"): Optimize and provide new split.
15800 ("subhi3"): Cleanup.
15801 ("*subhi3_sp"): Avoid saving X if we know it is dead.
15802 (arith splits): For 68hc12 save the address register on the stack
15803 and do the arithmetic operation with a pop.
15804
15805 2002-03-16 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15806
15807 * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid
15808 allocating QImode in address registers.
15809 ("*movqi_m68hc11"): Likewise.
15810
15811 Sat Mar 16 12:57:28 CET 2002 Jan HUbicka <jh@suse.cz>
15812
15813 * cfgcleanup.c (cleanup_cfg): Fix updating of liveness.
15814
15815 2002-03-16 Neil Booth <neil@daikokuya.demon.co.uk>
15816
15817 * cppinit.c (print_help): Display -MD and -MMD.
15818 Don't display usage string. Update assertion syntax and
15819 typo.
15820 (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD.
15821 (cpp_handle_option): Update.
15822
15823 2002-03-15 Chris Demetriou <cgd@broadcom.com>
15824
15825 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an
15826 MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC,
15827 and define it so that regardless of target CPU size,
15828 __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms
15829 of "int" rather than "long."
15830
15831 2002-03-15 Richard Henderson <rth@redhat.com>
15832
15833 * config/alpha/alpha.c (alpha_va_arg): Manipulate the type
15834 size as a tree.
15835
15836 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15837
15838 * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
15839 ("tstqi" split): Avoid using memory for tstqi on address register.
15840 (splits): Remove constraints.
15841 ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
15842 ("cmpdf", "cmpsf"): Remove since not used.
15843 ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
15844 (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.
15845
15846 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15847
15848 * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case.
15849 ("neghi2"): Tighten constraints.
15850 ("one_cmplsi2"): Optimize and simplify split.
15851 * config/m68hc11/larith.asm (__negsi2): Likewise for library.
15852
15853 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15854
15855 * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints
15856 and split of AND operation to clear the upper bits.
15857 ("*logicalsi3_zextqi"): Likewise.
15858 ("*logicallhi3_zexthi_ashift8"): Likewise.
15859 ("*logicalsi3_silshr16"): Likewise.
15860 ("logicalsi3_silshl16"): Likewise.
15861 ("anddi3", "iordi3", "xordi3" splits): Remove constraints.
15862
15863 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15864
15865 * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function.
15866 (m68hc11_indirect_p): New function.
15867 (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12.
15868 (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of
15869 TARGET_M6812.
15870 (asm_print_register): Likewise.
15871 * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare.
15872 (m68hc11_indirect_p): Declare.
15873 * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'.
15874 (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New.
15875 (TARGET_SWITCHES): New option -mrelax.
15876 * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for
15877 destination.
15878 ("iorsi3", "xorsi3"): Likewise.
15879 ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand.
15880 ("*andhi3_mem"): New to handle destination in memory with bclr
15881 and a scratch register.
15882 ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise.
15883 ("*andhi3_const"): New when operand2 is constant.
15884 ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise.
15885 ("*andhi3_gen"): Cleanup of the old "andhi3".
15886 ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise.
15887 ("xorqi3"): Update constraints.
15888
15889 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15890
15891 * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look
15892 for reg_equiv_memory_loc when the operand is a register that does
15893 not get a hard register (stack location).
15894 (tst_operand): After reload, accept all memory operand.
15895 (symbolic_memory_operand): Fix detection of symbolic references.
15896 * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12
15897 accept symbols and any constant.
15898
15899 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15900
15901 * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
15902 note on the insn that sets the soft frame register.
15903 (must_parenthesize): ix and iy are also reserved names.
15904 (print_operand_address): One more place where parenthesis are required
15905 to avoid confusion with register names.
15906 (m68hc11_gen_movhi): Allow push of stack pointer.
15907 (m68hc11_check_z_replacement): Fix handling of parallel with a
15908 clobber.
15909 (m68hc11_z_replacement): Must update the REG_INC notes to tell what
15910 the replacement register is.
15911 * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
15912 and D8_REGS classes.
15913 (MODES_TIEABLE_P): All modes are tieable except QImode.
15914
15915 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15916
15917 * config/m68hc11/larith.asm (___adddi3): Optimize saving of result.
15918 (___subdi3): Likewise.
15919 (__mulsi3, __mulhi32): Avoid using _.tmp scratch location.
15920 (__map_data_section): Optimize 68hc11 case.
15921
15922 2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15923
15924 * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher
15925 than a shift to avoid adding a register with itself.
15926 (m68hc11_memory_move_cost): Take into account NO_REGS.
15927 (m68hc11_register_move_cost): Update and use memory move cost
15928 for soft registers.
15929 (m68hc11_address_cost): Make cost of valid offset not 0 so that
15930 it gives more opportunities to cse to optimize.
15931 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode.
15932 * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update.
15933
15934 2002-03-15 Mark Mitchell <mark@codesourcery.com>
15935
15936 * c-common.c (statement_code_p): Handle CLEANUP_STMT.
15937 * c-common.def (CLEANUP_STMT): New tree node.
15938 * c-common.h (CLEANUP_DECL): New macro.
15939 (CLEANUP_EXPR): Likewise.
15940 * c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
15941 * expr.c (expand_expr): Tidy.
15942 * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
15943 * tree-inline.c (initialize_inlined_parameters): Clean up
15944 new local variables.
15945
15946 2002-03-15 Jakub Jelinek <jakub@redhat.com>
15947
15948 PR bootstrap/4128
15949 * config/sparc/sparc.c (gen_v9_scc): Move early clobber test
15950 before movrXX only, use reg_overlap_mentioned_p.
15951 Only special case NE if just one insn can be generated.
15952
15953 2002-03-15 Jason Merrill <jason@redhat.com>
15954
15955 * varasm.c (assemble_variable): Call resolve_unique_section before
15956 checking DECL_SECTION_NAME. Use zeros for a decl with DECL_INITIAL
15957 of error_mark_node.
15958
15959 2002-03-15 Richard Earnshaw <rearnsha@arm.com>
15960
15961 PR target/5170
15962 * arm.md (split pattern for thumb shiftable immediates): Add comment
15963 explaining non-obvious test.
15964
15965 2002-03-15 Richard Earnshaw <rearnsha@arm.com>
15966
15967 PR target/5712
15968 * arm.md (movaddr, movaddr_insn): Delete.
15969
15970 2002-03-15 Jason Merrill <jason@redhat.com>
15971
15972 * toplev.c (wrapup_global_declarations): Clarify variable handling.
15973 -fkeep-static-consts doesn't apply to comdats.
15974
15975 2002-03-14 Richard Henderson <rth@redhat.com>
15976
15977 * c-decl.c: Include c-pragma.h.
15978 (start_decl, start_function): Invoke maybe_apply_pragma_weak.
15979 (finish_function): Tidy.
15980 * c-pragma.c: Include c-common.h.
15981 (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New.
15982 (handle_pragma_weak): Use them.
15983 (init_pragma): Register pending_weaks.
15984 * c-pragma.h (maybe_apply_pragma_weak): Declare.
15985 * print-tree.c (print_node): Print DECL_WEAK.
15986 * varasm.c (mark_weak_decls): Remove.
15987 (remove_from_pending_weak_list): Remove.
15988 (add_weak): Remove.
15989 (asm_emit_uninitialised): Call globalize_decl for weak commons.
15990 (weak_decls): Make a tree_list.
15991 (declare_weak): Cons weak_decls directly.
15992 (globalize_decl): Remove weak_decls elements directly.
15993 (weak_finish): Simplify weak_decls walk. Don't weaken unused
15994 symbols. Don't pretend to handle aliases.
15995 (init_varasm_once): Update weak_decls registry.
15996 * Makefile.in: Update dependencies.
15997
15998 2002-03-14 Richard Henderson <rth@redhat.com>
15999
16000 PR target/5312
16001 * config/ia64/ia64.c: Include tm_p.h last.
16002 (gen_nop_type): Remove duplicate definition.
16003 (cycle_end_fill_slots): Set sched_data for second L slot.
16004 (maybe_rotate): Call cycle_end_fill_slots to fill in nop slots.
16005 (nop_cycles_until): Fix typos.
16006
16007 2002-03-15 Jakub Jelinek <jakub@redhat.com>
16008
16009 PR optimization/5891
16010 * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.
16011
16012 2002-03-14 David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com>
16013
16014 * config/ia64/unwind-ia64.c: Handle copy_state and label_state
16015 descriptors correctly.
16016
16017 2002-03-14 Michael Meissner <meissner@redhat.com>
16018
16019 * params.def (PARAM_MAX_UNROLLED_INSNS): New macro, default to
16020 100, allowing MAX_UNROLLED_INSNS to be overridden.
16021
16022 * params.h (MAX_UNROLLED_INSNS): Define so it can be overridden by
16023 --param.
16024
16025 * unroll.c (params.h): Include.
16026 (MAX_UNROLLED_INSNS): Delete, now in params.h.
16027
16028 * doc/invoke.texi (--param max-unroll-insns): Document.
16029
16030 * Makefile.in (unroll.o): Add $(PARAMS_H) dependency.
16031
16032 2002-03-14 Richard Earnshaw <rearnsha@arm.com>
16033
16034 * arm.md: Fix warnings about constraints in peepholes and splits.
16035
16036 2002-03-14 Zack Weinberg <zack@codesourcery.com>
16037
16038 * cpphash.h (struct lexer_state): Remove line_extension member.
16039 * cpplib.c (dequote_string, do_linemarker): New functions.
16040 (linemarker_dir): New data object.
16041 (DIRECTIVE_TABLE): No longer need to interpret #line in
16042 preprocessed source. Delete obsolete comment about return
16043 values of handlers.
16044 (end_directive, directive_diagnostics, _cpp_handle_directive):
16045 Don't muck with line_extension.
16046 (directive_diagnostics): No need to issue warnings for
16047 linemarkers here.
16048 (_cpp_handle_directive): Issue warnings for linemarkers here,
16049 when appropriate. Dispatch linemarkers to do_linemarker, not
16050 do_line.
16051 (do_line): Code to handle linemarkers split out to do_linemarker.
16052 Convert escape sequences in filename argument, both places.
16053
16054 * cppmacro.c (quote_string): Rename cpp_quote_string and
16055 export. All callers changed.
16056 * cpplib.h (cpp_quote_string): Prototype.
16057 * cppmain.c (print_line): Call cpp_quote_string on to_file
16058 before printing it.
16059
16060 * doc/cpp.texi: Document that escapes are now interpreted in
16061 #line and in linemarkers, and that non-printing characters are
16062 converted to octal escapes when linemarkers are generated.
16063
16064 Thu Mar 14 19:04:29 CET 2002 Jan Hubicka <jh@suse.cz>
16065
16066 * emit-rtl.c (try_split): Use delete_insns.
16067 * recog.c (split_all_insns): Fix terminating condition.
16068
16069 2002-03-14 Richard Earnshaw <rearnsha@arm.com>
16070 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
16071
16072 PR target/5828
16073 * arm.c (arm_output_epilogue): Fix floating-point register save
16074 adjustment when using a frame pointer.
16075
16076 2002-03-14 Richard Sandiford <rsandifo@redhat.com>
16077
16078 * config/mips/mips.h (FP_INC, UNITS_PER_FPVALUE): New macros.
16079 * config/mips/mips.c (compute_frame_size): Retrofit them here.
16080 (save_restore_insns, mips_expand_epilogue): And here.
16081 (build_mips16_call_stub): And here.
16082 (mips_function_value): Use the new macros to decide whether a single
16083 or complex float can be returned in floating-point registers. Return
16084 a parallel rtx in the complex case.
16085
16086 Thu Mar 14 11:03:12 CET 2002 Jan Hubicka <jh@suse.cz>
16087
16088 * toplev.c (rest_of_compilation): Add CLEANUP_UPDATE_LIFE to cfg_cleanup
16089 call after liveness analysis.
16090
16091 * recog.c (split_insn): Use delete_insn_and_edges.
16092
16093 * cfgrtl.c (verify_flow_info): Be permisive about non-any_condjump
16094 instructions to have branch prediction notes.
16095 * ia64reorg.c (ia64_reorg): Do not rebuild CFG.
16096
16097 2002-03-14 Geoffrey Keating <geoffk@redhat.com>
16098
16099 * configure.in: Don't pass -Wno-long-long to a ADA compiler
16100 that doesn't support it.
16101 * configure: Regenerate.
16102
16103 2002-03-13 Jakub Jelinek <jakub@redhat.com>
16104
16105 PR target/5626
16106 * config/sparc/sparc.md (normal_branch, inverted_branch,
16107 normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
16108 inverted_fp_branch): Adjust calls to output_cbranch.
16109 Set length attribute.
16110 (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust calls to
16111 output_v9branch. Set length attribute.
16112 * config/sparc/sparc.c (fcc0_reg_operand, noov_compare64_op): New
16113 predicates.
16114 (noov_compare_op): Handle CCX_NOOVmode the same way as CC_NOOVmode.
16115 (output_cbranch): Likewise. Handle far branches.
16116 (output_v9branch): Handle far branches.
16117 * config/sparc/sparc-protos.h (output_cbranch, output_v9branch):
16118 Adjust prototypes.
16119 * config/sparc/sparc.h (PREDICATE_CODES): Add fcc0_reg_operand and
16120 noov_compare64_op predicates.
16121
16122 2002-03-13 Jason Merrill <jason@redhat.com>
16123
16124 * gthr-posix.h (__gthread_active_p): Move __gthread_active_ptr
16125 into the function and constify it.
16126 * gthr-dce.h, gthr-solaris.h: Likewise.
16127
16128 2002-03-13 David Edelsohn <edelsohn@gnu.org>
16129
16130 * config/rs6000/rs6000.h (PAD_VARARGS_DOWN): Define.
16131 * config/rs6000/rs6000.c (rs6000_va_arg): Use
16132 std_expand_builtin_va_arg if not ABI_V4.
16133
16134 2002-03-13 Jason Merrill <jason@redhat.com>
16135
16136 * varasm.c (globalize_decl): New fn.
16137 (assemble_start_function): Use it.
16138 (asm_emit_uninitialized): Use it.
16139 (assemble_alias): Use it.
16140 (assemble_variable): Use it.
16141
16142 2002-03-13 Hans-Peter Nilsson <hp@axis.com>
16143
16144 * config/cris/cris.c (cris_target_asm_function_prologue): Revert
16145 2002-03-12 internal visibility change.
16146 (cris_encode_section_info): Consider MODULE_LOCAL_P when encoding
16147 visibility into SYMBOL_REF_FLAG.
16148
16149 2002-03-13 Ulrich Weigand <uweigand@de.ibm.com>
16150
16151 * expr.c (expand_expr, case NE_EXPR): Do not call copy_to_reg with
16152 VOIDmode operand. Add compile-time optimization for constant results.
16153
16154 2002-03-12 Jason Merrill <jason@redhat.com>
16155
16156 * c-typeck.c (convert_for_assignment): Don't allow conversions
16157 between pointers and references. Only allow lvalues to convert to
16158 reference.
16159
16160 2002-03-13 Hartmut Penner <hpenner@de.ibm.com>
16161
16162 * config/s390/s390.h (PROFILE_BEFORE_PROLOGUE): Emit profile code
16163 before prologue, to avoid scheduling problems.
16164
16165 2002-03-13 Jakub Jelinek <jakub@redhat.com>
16166
16167 * config/sparc/sparc.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
16168 (ELIMINABLE_REGS): Add sfp->sp.
16169 (INITIAL_ELIMINATION_OFFSET): Compute sfp->sp offset too.
16170
16171 2002-03-13 Jakub Jelinek <jakub@redhat.com>
16172
16173 PR optimization/5892
16174 * config/ia64/ia64.c (rotate_one_bundle): Update current packet.
16175
16176 2002-03-13 Jakub Jelinek <jakub@redhat.com>
16177
16178 * loop.c (basic_induction_var): Don't call convert_modes if mode
16179 classes are different.
16180
16181 2002-03-12 Richard Henderson <rth@redhat.com>
16182
16183 PR optimization/5901
16184 * function.c (reposition_prologue_and_epilogue_notes): Position
16185 the markers after/before the last/first insn not deleted.
16186
16187 2002-03-12 Richard Henderson <rth@redhat.com>
16188
16189 PR optimization/5878
16190 * config/arc/arc.h, config/cris/cris.h, config/i386/i386.h,
16191 config/m68k/m68k.h, config/s390/s390.h, config/sparc/sparc.h
16192 (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.
16193
16194 * config/arm/arm.h config/i386/i386.h, config/m68k/m68k.h,
16195 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Set
16196 PIC_OFFSET_TABLE_REGNUM based on INVALID_REGNUM not flag_pic.
16197
16198 * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): New.
16199 * config/arm/arm.c (arm_pic_register): Init to INVALID_REGNUM.
16200 (arm_override_options): Set arm_pic_register if TARGET_APCS_STACK
16201 also. Don't set it if not flag_pic.
16202 * config/i386/i386.c (ix86_save_reg): Trust PIC_OFFSET_TABLE_REGNUM
16203 to be INVALID_REGNUM when not used.
16204
16205 2002-03-13 Aldy Hernandez <aldyh@redhat.com>
16206
16207 * expmed.c (store_bit_field): Reset alias set for memory.
16208 (extract_bit_field): Same.
16209
16210 2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16211
16212 * c-common.c (c_tree_code_type, c_tree_code_length,
16213 c_tree_code_name, add_c_tree_codes): Delete.
16214 * c-common.h (add_c_tree_codes): Delete.
16215 * c-lang.c (tree_code_type, tree_code_length, tree_code_name):
16216 Define.
16217 * c-objc-common.c (c_objc_common_init): Don't call
16218 add_c_tree_codes, instead set lang_unsafe_for_reeval.
16219 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
16220 objc_tree_code_name, add_objc_tree_codes): Delete.
16221 (objc_init): Don't call add_objc_tree_codes.
16222 * objc/objc-lang.c (tree_code_type, tree_code_length,
16223 tree_code_name): Define.
16224 * toplev.c (lang_independent_init): Don't set
16225 tree_code_length[IDENTIFIER_NODE].
16226 * tree.c (tree_code_type, tree_code_length, tree_code_name):
16227 Delete definitions, moved to language front-ends.
16228 * tree.def (IDENTIFIER_NODE): Hardwire the length.
16229 * tree.h (tree_code_type, tree_code_length, tree_code_name):
16230 Const-ify.
16231 (tree_code_length): Change type to unsigned char.
16232
16233 2002-03-12 Richard Henderson <rth@redhat.com>
16234
16235 * config/i386/i386.c (ix86_expand_prologue): Revert 2002-03-03
16236 internal visibility change.
16237
16238 2002-03-12 Bob Wilson <bob.wilson@acm.org>
16239
16240 * config/xtensa/xtensa.c (xtensa_expand_block_move): Use
16241 validize_mem() instead of change_address to avoid clobbering
16242 memory attributes.
16243
16244 2002-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
16245
16246 * c-lex.h (position_after_whitespace): Remove.
16247
16248 2002-03-12 Jakub Jelinek <jakub@redhat.com>
16249
16250 * c-lex.c (cb_ident, c_lex): Remove unnecessary cast.
16251 (lex_string): Use unsigned char pointers.
16252
16253 2002-03-12 Ulrich Weigand <uweigand@de.ibm.com>
16254
16255 * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
16256 is not a valid memory_operand.
16257
16258 2002-03-12 Bob Wilson <bob.wilson@acm.org>
16259
16260 * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.
16261 * config/xtensa/lib1funcs.asm: Fix copyright to include
16262 special case for libgcc files.
16263 (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0.
16264 (__divsi3): Likewise.
16265 (__umodsi3): Likewise.
16266 (__modsi3): Likewise.
16267 * config/xtensa/lib2funcs.S: Fix copyright to include
16268 special case for libgcc files.
16269
16270 2002-03-12 Tom Rix <trix@redhat.com>
16271
16272 * collect2.c (resolve_lib_name): Move outside of
16273 OBJECT_FORMAT_COFF ifdef.
16274 (ignore_library): Same.
16275
16276 2002-03-12 Bob Wilson <bob.wilson@acm.org>
16277
16278 * config/xtensa/t-xtensa (CRTSTUFF_T_CFLAGS_S): Define.
16279
16280 2002-03-12 Bob Wilson <bob.wilson@acm.org>
16281
16282 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Switch
16283 to function_section before writing out the constant pool.
16284
16285 2002-03-12 David Edelsohn <edelsohn@gnu.org>
16286
16287 * config/rs6000/rs6000.h (PREDICATE_CODES): Add any_operand and
16288 zero_constant.
16289 * config/rs6000/rs6000.c (easy_fp_constant): Fix formatting.
16290
16291 2002-03-12 Alan Modra <amodra@bigpond.net.au>
16292
16293 * config/rs6000/rs6000.md (addsi3): Optimize sign extension.
16294 (adddi3): Likewise.
16295 (movdf): Likewise.
16296 (movdi): Likewise.
16297 (cmpsi splitter): Likewise.
16298 (modsi3): Fail if <= 0.
16299 * config/rs6000/rs6000.c (reg_or_add_cint64_operand): Remove
16300 redundant test when HOST_BITS_PER_WIDE_INT != 32.
16301 (reg_or_sub_cint64_operand): Likewise.
16302 (num_insns_constant_wide): Optimize sign extension.
16303 (rs6000_legitimize_address): Likewise.
16304
16305 2002-03-12 Andrew MacLeod <amacleod@redhat.com>
16306
16307 * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
16308 * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
16309
16310 2002-03-12 Andrew MacLeod <amacleod@redhat.com>
16311
16312 * config/sparc/sparc.h (RETURN_ADDR_RTX): Include v9 stack bias in
16313 address calculation.
16314
16315 2002-03-12 Ulrich Weigand <uweigand@de.ibm.com>
16316
16317 * config/s390/s390.md (reload_insi, reload_indi): Change mode of
16318 scratch register to DImode / TImode.
16319 config/s390/s390.c (s390_expand_plus_operand): Make sure scratch
16320 register used does not overlap the target.
16321
16322 2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16323
16324 * Makefile.in (debug.o): Depend on debug.h.
16325 * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify.
16326 * debug.c (do_nothing_debug_hooks): Likewise.
16327 * debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks,
16328 sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks,
16329 dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise.
16330 * dwarf2out.c (dwarf2_debug_hooks): Likewise.
16331 * dwarfout.c (dwarf_debug_hooks): Likewise.
16332 * integrate.c (output_inline_function): Likewise.
16333 * objc/objc-act.c (synth_module_prologue): Likewise.
16334 * sdbout.c (sdb_debug_hooks): Likewise.
16335 * toplev.c (debug_hooks): Likewise.
16336 * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
16337
16338 2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16339
16340 * 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h,
16341 dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h,
16342 m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h,
16343 ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h,
16344 v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete.
16345 * defaults.h (POINTER_SIZE): Define.
16346 * doc/tm.texi (POINTER_SIZE): Document default.
16347
16348 2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16349
16350 * mn10200.h (PTRDIFF_TYPE): Change it to a signed type.
16351
16352 2002-03-11 Richard Henderson <rth@redhat.com>
16353
16354 * toplev.c (rest_of_compilation): Call purge_all_dead_edges
16355 if rebuild_label_notes_after_reload.
16356
16357 2002-03-12 Hans-Peter Nilsson <hp@axis.com>
16358
16359 * config/cris/cris.c (cris_target_asm_function_prologue): Do not
16360 emit pic register load if "internal" visibility.
16361 (cris_print_operand): Avoid traditional-warning for 0xffffffff.
16362 (cris_expand_builtin_va_arg): Do all computations on trees.
16363
16364 2002-03-11 Richard Henderson <rth@redhat.com>
16365
16366 * rtlanal.c: Include recog.h.
16367 (keep_with_call_p): Fix thinko.
16368 * Makefile.in (rtlanal.o): Update dependencies.
16369
16370 2002-03-11 Chris Meyer <cmeyer@gatan.com>
16371
16372 * genflags.c (gen_insn): Use IS_VSPACE.
16373 * genoutput.c (output_insn_data): Likewise.
16374 (process_template): Likewise.
16375
16376 2002-03-11 Richard Henderson <rth@redhat.com>
16377
16378 * toplev.c (rest_of_compilation): Don't compile if we've had errors.
16379
16380 2002-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
16381
16382 * Makefile.in: Update.
16383 * doc/cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
16384 Update documentation.
16385 * doc/gcc.texi: Include cppopts.texi and cppenv.texi.
16386 * doc/cpp.texi: Include cppopts.texi and cppenv.texi.
16387
16388 2002-03-11 Zack Weinberg <zack@codesourcery.com>
16389
16390 * Makefile.in: Give texi2pod its input file as a command line
16391 argument, not on stdin.
16392
16393 2002-03-11 Dan Nicolaescu <dann@ics.uci.edu>
16394 Daniel Berlin <dan@dberlin.org>
16395
16396 C++ alias analysis improvement.
16397 * alias.c (record_component_aliases): Record aliases for base
16398 classes too.
16399
16400 2002-03-11 Ulrich Weigand <uweigand@de.ibm.com>
16401
16402 * config/s390/s390.h (REG_ALLOC_ORDER): Add missing register.
16403
16404 2002-03-11 Douglas B Rupp <rupp@gnat.com>
16405
16406 * toplev.c (vms_fopen): Remove, not needed.
16407
16408 * vmsdbgout.c (lookup_filename): Adjust creation date for GMT.
16409
16410 * config/alpha/xm-vms.h (__UNIX_FWRITE): Define.
16411
16412 * config/alpha/alpha.c (alpha_sa_size, VMS): Don't reserve space
16413 for FP, already done later.
16414
16415 * toplev.c (debug_args): Add entry for VMS_DEBUG.
16416 * vmsdbgout.c (vmsdbgout_init): Fix typo in call to xmalloc.
16417
16418 2002-03-11 Richard Sandiford <rsandifo@redhat.com>
16419
16420 * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New.
16421 (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if
16422 LARGEST_EXPONENT_IS_NORMAL for the given mode.
16423 (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO.
16424 * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO.
16425 (ediv, emul, eldexp, esqrt): Likewise.
16426 (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise.
16427 (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL.
16428 (saturate): New function.
16429 (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL.
16430 (make_nan): Use a saturation value instead of a NaN if
16431 LARGEST_EXPONENT_IS_NORMAL. Warn when this happens.
16432 * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing
16433 inputs if LARGEST_EXPONENT_IS_NORMAL. Represent subnormals as
16434 zero if NO_DENORMALS. Only round to nearest if !ROUND_TOWARDS_ZERO.
16435 (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL.
16436 (_fpmul_parts, _fpdiv_parts): Only round to nearest if
16437 !ROUND_TOWARDS_ZERO.
16438 * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document.
16439 (ROUND_TOWARDS_ZERO): Document.
16440
16441 2002-03-11 Andreas Jaeger <aj@suse.de>
16442
16443 * cfg.c (dump_flow_info): Remove unused variable.
16444
16445 2002-03-11 Hans-Peter Nilsson <hp@bitrange.com>
16446
16447 * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Do all
16448 computations on trees.
16449
16450 2002-03-10 Richard Henderson <rth@redhat.com>
16451
16452 PR 5693:
16453 * reload.c (copy_replacements_1): New.
16454 (copy_replacements): Use it to recurse through the rtx.
16455
16456 2002-03-10 Richard Henderson <rth@redhat.com>
16457
16458 * loop.c (strength_reduce): Compute number of iterations as
16459 unsigned HOST_WIDE_INT.
16460
16461 2002-03-10 Richard Henderson <rth@redhat.com>
16462
16463 * sched-rgn.c (add_branch_dependences): Don't allow insns that throw
16464 to move away from the end of the block.
16465
16466 2002-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
16467
16468 PR preprocessor/5899
16469 * cppinit.c (init_dependency_output): Don't ignore -dM etc.
16470
16471 2002-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16472
16473 * mbchar.c (JIS_state_table, JIS_action_table): Const-ify.
16474
16475 * attribs.c (decl_attributes): Fix signed/unsigned warning.
16476
16477 2002-03-10 Hans-Peter Nilsson <hp@bitrange.com>
16478
16479 * config/mmix/mmix.c: Improve comments.
16480 (mmix_target_asm_function_prologue): Drop variable
16481 empty_stack_frame. Don't allocate unused slot above fp.
16482 (mmix_target_asm_function_epilogue): Mirror prologue changes.
16483 * config/mmix/mmix.h (MMIX_GNU_ABI_REG_ALLOC_ORDER): Don't have
16484 brace in first column.
16485 (enum reg_class): Ditto.
16486 (FIRST_PARM_OFFSET): Now 0.
16487 (USER_LABEL_PREFIX): Remove #if 0:d definition.
16488
16489 2002-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16490
16491 * combine.c (make_extraction): Fix error in last change.
16492
16493 2002-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16494
16495 * c4x.c (c4x_fp_reglist): Const-ify.
16496 * cris.c (cris_print_operand): Likewise.
16497 * i386.c (ix86_va_arg): Likewise.
16498 * ia64/unwind-ia64.c (unw_decode_table): Likewise.
16499 * m32r.c (m32r_hard_regno_mode_ok): Likewise.
16500 * m32r.h (m32r_hard_regno_mode_ok): Likewise.
16501 * mcore.c (regno_reg_class, mcore_unique_section): Likewise.
16502 * mcore.h (regno_reg_class): Likewise.
16503 * mips.c (gen_int_relational): Likewise.
16504 * ns32k.c (ns32k_reg_class_contents, regclass_map): Likewise.
16505 * ns32k.h (ns32k_reg_class_contents, regclass_map): Likewise.
16506 * pdp11.c (move_costs): Likewise.
16507 * pj.h (INITIALIZE_TRAMPOLINE): Likewise.
16508 * s390.c (s390_branch_condition_mnemonic, regclass_map):
16509 Likewise.
16510 * s390.h (regclass_map): Likewise.
16511 * sh.c (shift_amounts): Likewise.
16512 * sh.md (rotlsi3): Likewise.
16513
16514 2002-03-09 Geoffrey Keating <geoffk@redhat.com>
16515
16516 * config/rs6000/rs6000.md (ne0+4): Add extra CLOBBER.
16517 (ne0+5): Use new clobber to generate proper shift pattern.
16518 Patch by Michael Matz <matz@kde.org>.
16519
16520 2002-03-09 Andreas Schwab <schwab@suse.de>
16521
16522 * gcc.c (validate_all_switches): Also handle `%W{...}'.
16523
16524 2002-03-09 Geoffrey Keating <geoffk@redhat.com>
16525
16526 * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Don't define.
16527
16528 2002-03-09 Jakub Jelinek <jakub@redhat.com>
16529
16530 PR middle-end/5877
16531 * expr.c (highest_pow2_factor): Check TREE_INT_CST_LOW
16532 even for non-representable constants.
16533
16534 Sat Mar 9 07:20:01 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16535
16536 * emit-rtl.c (copy_most_rtx): Accept EXPR_LIST for may_share.
16537 * function.c (fixup_var_refs): Add MAY_SHARE parameter.
16538 (fixup_var_refs_insns, fixup_var_refs_insns_with_has): Likewise.
16539 (fixup_var_refs_insn, fixup_var_refs_1): Likewise.
16540 (pop_function_context): Compute MAY_SHARE parameter for
16541 fixup_var_refs.
16542 (fixup_var_refs_1, case MEM): Pass MAY_SHARE to copy_most_rtx, not VAR.
16543 (gen_mem_addressof): Call fixup_var_refs with new parm.
16544
16545 * combine.c (make_extraction): Don't make extension of CONST_INT.
16546
16547 2002-03-09 Alexandre Oliva <aoliva@redhat.com>
16548
16549 * config/mips/mips.c (function_arg_pass_by_reference): Force to 0
16550 in o32 and o64 ABIs.
16551 * config/mips/abi64.h (MUST_PASS_IN_STACK): Define as in expr.h,
16552 but getting fixed-size structs passed in registers regardless of
16553 padding in o32 and o64 ABIs.
16554
16555 * config/mips/mips.c (mips_va_arg): Apply big-endianness address
16556 offset before loading address of argument passed by transparent
16557 reference.
16558
16559 2002-03-08 John David Anglin <dave@hiauly1.hia.nrc.ca>
16560
16561 * t-pa64 (LIB1ASMFUNCS, LIB1ASMSRC): Delete.
16562
16563 2002-03-09 Alexandre Oliva <aoliva@redhat.com>
16564
16565 * config/mips/mips.c (mips_expand_prologue): Set regno of vararg
16566 marker such that registers after it are saved.
16567
16568 2002-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16569
16570 * sparc.c (arith_4096_operand): Fix error in last change.
16571
16572 2002-03-08 Alexandre Oliva <aoliva@redhat.com>
16573
16574 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Remove duplicate
16575 defaults for MEABI.
16576
16577 2002-03-08 Aldy Hernandez <aldyh@redhat.com>
16578
16579 * config/rs6000/rs6000.c (rs6000_va_arg): Fix alignment for
16580 vectors.
16581
16582 2002-03-08 Aldy Hernandez <aldyh@redhat.com>
16583
16584 * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Change for altivec.
16585
16586 Fri Mar 8 21:27:49 CET 2002 Jan Hubicka <jh@suse.cz>
16587
16588 * cfgrtl.c (purge_dead_edges): Set BB_DRITY flags if edge has been
16589 removed; fix return value.
16590 * combine.c (combine_instructions): Dirtify blocks where we failed to
16591 update liveness; purge dead edges; use update_life_info_in_dirty_blocks.
16592 * toplev.c (rest_of_compilation): Do not purge_dead_edges after combine.
16593
16594 2002-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16595
16596 * gcse.c (insert_insn_end_bb): Fix typo in last change.
16597
16598 Fri Mar 8 21:08:52 CET 2002 Jan Hubicka <jh@suse.cz>
16599
16600 * recog.c (peephole2_optimize): Re-distribute EH edges.
16601
16602 2002-03-08 Neil Booth <neil@daikokuya.demon.co.uk>
16603
16604 * expr.c (expand_expr): Use unsave lang hook.
16605 * langhooks-def.h (LANG_HOOKS_UNSAVE): New.
16606 (LANG_HOOKS_INITIALIZER): Update.
16607 * langhooks.h (struct lang_hooks): New hook unsave.
16608 * tree.c (lang_unsave, lang_unsave_expr_now): Remove.
16609 (unsave_expr_1): Remove unused lang_unsave_expr_now.
16610 (unsave_expr_now_r): Rename lhd_unsave. Update. Return input.
16611 (unsave_expr_now): Remove.
16612 * tree.h (unsave_expr_now, lang_unsave,
16613 lang_unsave_expr_now): Remove.
16614 (lhd_unsave): New.
16615
16616 2002-03-08 Andreas Jaeger <aj@suse.de>
16617
16618 * flow.c (propagate_block_delete_insn): Remove unused variable.
16619
16620 2002-03-08 Kazu Hirata <kazu@hxi.com>
16621
16622 * config/h8300/h8300.c (h8300_adjust_insn_length): Tighten
16623 insn length for memory load/store.
16624
16625 2002-03-08 Craig Rodrigues <rodrigc@gcc.gnu.org>
16626
16627 * doc/install.texi (--with-libiconv-prefix): Document.
16628
16629 2002-03-08 Michael Y. Brukman <myb2@cornell.edu>
16630
16631 * doc/sourcebuild.texi: Fix typo.
16632
16633 2002-03-08 Jakub Jelinek <jakub@redhat.com>
16634
16635 PR c/3711
16636 * builtins.c (std_expand_builtin_va_arg): Do all computations on
16637 trees.
16638
16639 Fri Mar 8 06:48:45 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16640
16641 * rtl.c (copy_most_rtx): Move from here ...
16642 * emit-rtl.c (copy_most_rtx): ... to here.
16643
16644 2002-03-08 Alexandre Oliva <aoliva@redhat.com>
16645
16646 * config/mips/mips.h (LONG_MAX_SPEC): Rewrite, along with
16647 SUBTARGET_CPP_SIZE_SPEC.
16648 * config/mips/abi64.h (LONG_MAX_SPEC): Delete.
16649
16650 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Simplify.
16651
16652 2002-03-07 Matt Hiller <hiller@redhat.com>
16653
16654 * gensupport.c (first_dir_md_include): Renamed from include;
16655 change all references.
16656 (last_dir_md_include): Renamed from last_include; change all
16657 references.
16658 (init_md_reader): Unconditionally initialize base_dir whether or
16659 not filename is a relative path.
16660
16661 2002-03-07 Alexandre Oliva <aoliva@redhat.com>
16662
16663 * config/fp-bit.c (_unord_f2): Compile it in even if
16664 US_SOFTWARE_GOFAST is enabled.
16665
16666 * config/gofast.h (GOFAST_RENAME_LIBCALLS): Set gt and ge as
16667 NULL_RTX. Set all HFmode operations as NULL_RTX.
16668 * optabs.c (prepare_float_lib_cmp) <GT, GE, LT, LE>: If libfunc is
16669 NULL_RTX, try reversing the comparison and the operands.
16670
16671 2002-03-06 Ulrich Weigand <uweigand@de.ibm.com>
16672
16673 * genextract.c (walk_rtx): Recurse into MATCH_PAR_DUP.
16674 genoutput.c (scan_operands): Recurse into MATCH_PAR_DUP
16675 and MATCH_OP_DUP.
16676
16677 Thu Mar 7 16:54:10 CET 2002 Jan Hubicka <jh@suse.cz>
16678
16679 * reload1.c (reload_cse_delete_noop_set): Purge dead edges.
16680
16681 Thu Mar 7 16:33:54 CET 2002 Jan Hubicka <jh@suse.cz>
16682
16683 * basic-block.h (fixup_abnormal_edges): Declare.
16684 * reload1.c (fixup_abnormal_edges): New function.
16685 * reg-stack.c (convert_regs): Use it.
16686
16687 * gcse.c (insert_insn_end_bb): Handle trapping insns.
16688
16689 * gcse.c (hash_scan_set): Refuse instructions with EH edges.
16690
16691 2002-03-07 Richard Sandiford <rsandifo@redhat.com>
16692
16693 * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
16694 (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
16695 * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
16696 (HONOR_SIGN_DEPENDENT_ROUNDING): New.
16697 * builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
16698 * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
16699 unless x and y could be infinite.
16700 (expand_unordered_cmp): New, mostly split from expand_tree_builtin.
16701 Check that the common type of both arguments is a real, even for
16702 targets without unordered comparisons. Allow an integer argument
16703 to be compared against a real.
16704 (expand_tree_builtin): Use expand_unordered_cmp.
16705 * combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
16706 * cse.c (fold_rtx): Likewise. Fix indentation.
16707 * fold-const.c (fold_real_zero_addition_p): New.
16708 (fold): Use it, and the new HONOR_... macros.
16709 * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
16710 * jump.c (reversed_comparison_code_parts): After searching for
16711 the true comparison mode, use HONOR_NANS to decide whether it
16712 can be safely reversed.
16713 (reverse_condition_maybe_unordered): Remove IEEE check.
16714 * simplify-rtx.c (simplify_binary_operation): Use the new macros
16715 to decide which simplifications are valid. Allow the following
16716 simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
16717 and (a - -b) to (a + b).
16718 (simplify_relational_operation): Use HONOR_NANS.
16719 * doc/tm.texi: Document the MODE_HAS_... macros.
16720
16721 2002-03-07 Richard Earnshaw <rearnsha@arm.com>
16722
16723 * combine.c (simplify_comparison): If simplifying a logical shift
16724 right and compare with constant, force the comparison to unsigned.
16725
16726 2002-03-07 Aldy Hernandez <aldyh@redhat.com>
16727
16728 * doc/invoke.texi: Add documentation for -mabi=no-altivec.
16729
16730 * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add
16731 -mabi=no-altivec
16732 (alt_reg_names): Remove % for vrsave.
16733
16734 2002-03-06 Richard Henderson <rth@redhat.com>
16735
16736 PR optimization/5844
16737 * genemit.c (gen_exp): New argument used. Invoke copy_rtx
16738 if used indicates we've already emitted one copy of an operand.
16739 (gen_insn, gen_expand, output_add_clobbers): Supply a null used.
16740 (gen_split): Supply a non-null used.
16741
16742 2002-03-06 Ulrich Weigand <uweigand@de.ibm.com>
16743
16744 * reload1.c (reload): Unshare all rtl after reload is done.
16745
16746 * simplify-rtx.c (simplify_plus_minus): Do not abort,
16747 but simply fail if the expression is too complex to simplify.
16748 (simplify_gen_binary): Handle simplify_plus_minus failures.
16749
16750 Wed Mar 6 20:32:09 CET 2002 Jan Hubicka <jh@suse.cz>
16751
16752 * toplev.c (rest_of_compilation): Do jump threading before SSA path;
16753 consistently call delete_trivially_dead_insns after CSE and GCSE;
16754 fix DFI_life dumping; do jump threading after liveness; do crossjumping
16755 after liveness2; update comment in last crossjumping.
16756 * cfgcleanup.c (try_crossjump_to_edge): Dirtify block.
16757
16758 Wed Mar 6 12:27:10 2002 Jeffrey A Law (law@redhat.com)
16759
16760 * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
16761 after completing fast dead code elimination.
16762
16763 * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a
16764 COMPARE operator.
16765
16766 2002-03-06 Phil Edwards <pme@gcc.gnu.org>
16767
16768 * version.c: Fix misplaced leading blanks on first line.
16769
16770 Wed Mar 6 19:08:03 CET 2002 Jan Hubicka <jh@suse.cz>
16771
16772 * cfgrtl.c (verify_flow_info): Accept RESX as EH edge source.
16773
16774 Wed Mar 6 18:14:43 CET 2002 Jan Hubicka <jh@suse.cz>
16775
16776 * cfgcleanup.c (mentions_nonequal_regs): New function.
16777 (thread_jump): Use it.
16778 * toplev.c (rest_of_compilation): Run jump threading after
16779 liveness.
16780
16781 2002-03-06 Jakub Jelinek <jakub@redhat.com>
16782
16783 * ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
16784 patch.
16785
16786 Wed Mar 6 11:28:19 CET 2002 Jan Hubicka <jh@suse.cz>
16787
16788 * predict.c (estimate_bb_frequencies): Do not reload the
16789 frequencies from notes.
16790
16791 Wed Mar 6 10:59:39 CET 2002 Jan Hubicka <jh@suse.cz>
16792
16793 * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
16794 * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare
16795
16796 * basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
16797 delete_noop_moves): Return indeger.
16798 * flow.c (ndead): New variable.
16799 (propagate_block_delete_insn): Use delete_insn_and_edges; remove
16800 BB argument; update callers.
16801 (propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
16802 (life_analysis): Do not call purge_all_dead_edges.
16803 (update_life_info): Return number of deleted insns; print statistics.
16804 (update_life_info_in_dirty_blocks): likewise.
16805 (delete_noop_moves): Use delete_insn_and_edges; print statistics;
16806 return number of insns deleted.
16807
16808 * cse.c: Include timevar.h
16809 (delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
16810 iterate until stabilizes; print statistics; return number of killed
16811 insns.
16812 * Makefile.in: (cse.o): Add timevar.h dependency
16813 * rtl.h (delete_trivially_dead_insns): New.
16814 * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
16815 * toplev.c (rest_of_compilation): Update callers.
16816
16817 * cfgcleanup.c (try_optimize_cfg): Kill blocks.
16818 (try_optimize_cfg): Do not update liveness.
16819 (cleanup-cfg): Loop until try_optimize_cfg and dead code
16820 removal stabilizes; use delete_trivially_dead_insns.
16821
16822 * cfgrtl.c (verify_flow_info): Sanity check outgoing edges.
16823
16824 2002-03-05 Zack Weinberg <zack@codesourcery.com>
16825
16826 * cppmain.c (setup_callbacks): Disable #pragma and #ident
16827 callbacks when processing assembly language.
16828
16829 2002-03-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
16830
16831 * pa.h (ASM_FILE_END): Define.
16832 * som.h (ASM_FILE_END): Delete.
16833
16834 * pa.c (function_arg): Don't pass floats in general registers in
16835 indirect calls if TARGET_ELF32.
16836
16837 2002-03-05 Richard Henderson <rth@redhat.com>
16838
16839 * config/i386/i386.md (floatsidf2): Conditionalize on hard-float.
16840
16841 2002-03-05 Danny Smith <dannysmith@users.sourceforge.net>
16842
16843 * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Define.
16844
16845 2002-03-05 Jakub Jelinek <jakub@redhat.com>
16846
16847 * mklibgcc.in: Prepend a tab before .hidden, add $flags to gcc
16848 -r command line. Don't hide any symbols if not building
16849 shared libgcc.
16850
16851 Tue Mar 5 18:31:27 CET 2002 Jan Hubicka <jh@suse.cz>
16852
16853 * cfg.c (dump_flow_info): Warn about profile mismatches.
16854 * cfgrtl.c (verify_flow_info): Few aditional sanity checks.
16855 (purge_dead_edges): Remove REG_BR_PROB notes on simplejumps.
16856
16857 2002-03-05 Jakub Jelinek <jakub@redhat.com>
16858
16859 * expmed.c (emit_store_flag): Don't test BITS_PER_WORD * 2
16860 wide volatile memory by parts.
16861
16862 2002-03-05 Jakub Jelinek <jakub@redhat.com>
16863
16864 * ssa-ccp.c (ssa_ccp_substitute_constants): Don't crash if def
16865 is NULL.
16866
16867 2002-03-05 Richard Henderson <rth@redhat.com>
16868
16869 * rs6000.h (TOTAL_ALTIVEC_REGS): Fix off-by-one error.
16870
16871 2002-03-04 Geoffrey Keating <geoffk@redhat.com>
16872
16873 * toplev.c (documented_lang_options): Document more
16874 language-specific options.
16875 * doc/invoke.texi (Warning Options): Correct documentation for
16876 -Wno-multichar, -Wno-div-by-zero, and -Wsystem-headers.
16877 * c-decl.c (c_decode_option): Use a table to handle warning options.
16878
16879 2002-03-05 Hans-Peter Nilsson <hp@bitrange.com>
16880
16881 * config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second
16882 parameter to mmix_encode_section_info.
16883 (LINK_SPEC): Don't defsym __.MMIX.start..text if linking
16884 relocatably. Always produce ELF, not mmo if linking relocatably.
16885 * config/mmix/mmix.c (mmix_encode_section_info): If new parameter
16886 first is non-zero, don't add symbol prefix.
16887 * config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak
16888 prototype accordingly.
16889
16890 2002-03-04 Krister Walfridsson <cato@df.lth.se>
16891
16892 * config.gcc (*-*-netbsd*): Add t-slibgcc-elf-ver to tmake_file.
16893
16894 2002-03-05 Joseph S. Myers <jsm28@cam.ac.uk>
16895
16896 * configure.in: Increase required makeinfo version to 4.1.
16897 * configure: Regenerate.
16898
16899 2002-03-04 Geoffrey Keating <geoffk@redhat.com>
16900
16901 * .cvsignore: Remove *.info* and genrtl*; these files are generated
16902 elsewhere now.
16903
16904 2002-03-04 Joseph S. Myers <jsm28@cam.ac.uk>
16905
16906 * doc/include/texinfo.tex: Update to version 2002-03-01.06.
16907 * doc/invoke.texi: Fix @math uses.
16908
16909 Mon Mar 4 15:33:54 CET 2002 Jan Hubicka <jh@suse.cz>
16910
16911 * toplev.c (rest_of_compilation): Cleanup CFG after dead jumptables
16912 removal
16913
16914 2002-03-03 Aldy Hernandez <aldyh@redhat.com>
16915
16916 * config.gcc (powerpc-*-eabialtivec*): Use t-ppcendian.
16917 (powerpc-*-eabisimaltivec*): Same.
16918
16919 * config/rs6000/t-ppcendian: New.
16920
16921 2002-03-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16922
16923 * c4x-protos.h, c4x.h, c4x.c, c4x.md: Add new functions
16924 nonimmediate_src_operand and nonimmediate_lsrc_operand to
16925 disallow ZERO_EXTEND with CONST_INT or CONST_DOUBLE.
16926
16927 2002-03-03 Richard Henderson <rth@redhat.com>
16928
16929 * toplev.c (rest_of_decl_compilation): Revert last two changes.
16930
16931 2002-03-03 Zack Weinberg <zack@codesourcery.com>
16932
16933 * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,
16934 print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
16935 tree.c, config/m68k/m68k.c:
16936 Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
16937 REAL_ARITHMETIC blocks unconditional. Delete some further
16938 #ifdef blocks predicated on REAL_ARITHMETIC.
16939 * flags.h, toplev.c: Delete remaining references to
16940 flag_pretend_float.
16941
16942 * doc/invoke.texi: Remove documentation of -fpretend-float.
16943 * doc/tm.texi: Describe the various REAL_* macros as provided by
16944 real.h, not by the target configuration files.
16945
16946 * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
16947 config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
16948 config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
16949 config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
16950 config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
16951 config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
16952 config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
16953 config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
16954 config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
16955 config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
16956 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
16957 config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
16958 config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
16959 config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
16960 config/xtensa/xtensa.h:
16961 Do not define, undefine, or mention in comments any of
16962 REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
16963 REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
16964 REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
16965 REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
16966 REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
16967 REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
16968 REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
16969 REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
16970 REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.
16971
16972 2002-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16973
16974 * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h,
16975 convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h,
16976 i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h,
16977 m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h,
16978 pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h,
16979 stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD):
16980 Delete.
16981 * defaults.h (BITS_PER_WORD): Define.
16982 * doc/tm.texi (BITS_PER_WORD): Document default value.
16983
16984 * 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h,
16985 m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c,
16986 stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete.
16987
16988 2002-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16989
16990 * attribs.c (init_attributes, decl_attributes): Use ARRAY_SIZE in
16991 lieu of explicit sizeof/sizeof.
16992 * i386.c (override_options, ix86_init_mmx_sse_builtins,
16993 ix86_expand_builtin): Likewise.
16994 * mips.c (mips_add_gc_roots): Likewise.
16995 * mmix.c (mmix_output_condition): Likewise.
16996 * rs6000.c (rs6000_override_options, altivec_expand_builtin,
16997 altivec_init_builtins): Likewise.
16998 * sparc.c (mark_ultrasparc_pipeline_state): Likewise.
16999 * cppexp.c (Nsuff, parse_number): Likewise.
17000 * cppinit.c (builtin_array_end): Likewise.
17001 * gcc.c (n_default_compilers, process_command): Likewise.
17002 * genpreds.c (output_predicate_decls): Likewise.
17003 * ggc-page.c (NUM_EXTRA_ORDERS): Likewise.
17004 * lcm.c (N_ENTITIES): Likewise.
17005 * stor-layout.c (set_sizetype): Likewise.
17006
17007 2002-03-03 Richard Henderson <rth@redhat.com>
17008
17009 * toplev.c (rest_of_decl_compilation): Do not invoke make_decl_rtl
17010 for types or labels.
17011
17012 2002-03-03 Richard Henderson <rth@redhat.com>
17013
17014 * c-decl.c (start_decl): Initialized variables are not common.
17015
17016 2002-03-02 Per Bothner <per@bothner.com>
17017
17018 * gcc.c (option_map): Suport new --bootclasspath option.
17019 --CLASSPATH is now just an alias for --classpath.
17020
17021 2002-03-02 Richard Henderson <rth@redhat.com>
17022
17023 * config/i386/i386.h (ix86_expand_prologue): Do not emit pic register
17024 load if "internal" visibility.
17025 * doc/extend.texi: Document visibility meanings.
17026
17027 2002-03-02 Richard Henderson <rth@redhat.com>
17028
17029 * config/i386/i386.h (ENCODE_SECTION_INFO): MODULE_LOCAL_P applies
17030 to functions as well.
17031
17032 2002-03-02 Richard Henderson <rth@redhat.com>
17033
17034 * attribs.c (handle_alias_attribute): Don't call assemble_alias.
17035 (handle_visibility_attribute): Don't call assemble_visibility.
17036 * toplev.c (rest_of_decl_compilation): Invoke make_decl_rtl even
17037 without asmspec. Invoke assemble_alias when needed.
17038 * varasm.c (maybe_assemble_visibility): New.
17039 (assemble_start_function, assemble_variable, assemble_alias): Use it.
17040
17041 2002-03-02 Richard Henderson <rth@redhat.com>
17042
17043 * varasm.c (make_decl_rtl): Remove call to REDO_SECTION_INFO_P;
17044 invoke ENCODE_SECTION_INFO with first call flag.
17045
17046 * config/darwin-protos.h, config/darwin.c, config/darwin.h,
17047 config/a29k/a29k.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
17048 config/alpha/alpha.h, config/arc/arc.h, config/arm/arm-protos.h,
17049 config/arm/arm.h, config/arm/pe.c, config/arm/pe.h,
17050 config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
17051 config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
17052 config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.h,
17053 config/d30v/d30v.h, config/h8300/h8300.h, config/i370/i370.h,
17054 config/i386/cygwin.h, config/i386/i386-interix.h, config/i386/i386.h,
17055 config/i386/osfrose.h, config/i386/win32.h, config/i386/winnt.c,
17056 config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
17057 config/m32r/m32r-protos.h, config/m32r/m32r.c, config/m32r/m32r.h,
17058 config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
17059 config/m68hc11/m68hc11.h, config/m88k/m88k.h,
17060 config/mcore/mcore-protos.h, config/mcore/mcore.c,
17061 config/mcore/mcore.h, config/mips/mips.h, config/ns32k/ns32k.h,
17062 config/pa/pa.h, config/romp/romp.h, config/rs6000/linux64.h,
17063 config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
17064 config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/s390.h,
17065 config/sh/sh.h, config/sparc/sparc.h,
17066 config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
17067 config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vms.h,
17068 config/xtensa/xtensa.h, doc/tm.texi: ENCODE_SECTION_INFO now takes
17069 FIRST argument. As needed, examine it and do nothing.
17070
17071 * config/darwin.h, config/alpha/alpha.h, config/arm/pe.h,
17072 config/i386/cygwin.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
17073 config/mcore/mcore.h: Remove REDO_SECTION_INFO_P.
17074
17075 * config/arm/t-pe (pe.o): Add dependencies.
17076
17077 2002-03-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17078
17079 * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h,
17080 cris.h, d30v.h, elxsi.h, fr30.h, h8300.h, i370.h, i386.h, i860.h,
17081 i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h,
17082 mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pdp11.h,
17083 pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, stormy16.h, v850.h,
17084 vax.h, we32k.h, xtensa.h: (BITS_PER_UNIT): Delete.
17085 * defaults.h (BITS_PER_UNIT): Define.
17086 * doc/tm.texi (BITS_PER_UNIT): Document default value.
17087
17088 2002-03-02 Kazu Hirata <kazu@hxi.com>
17089
17090 * config/h8300/h8300-protos.h: Add a prototype for
17091 compute_a_shift_length.
17092 * config/h8300/h8300.c (h8300_asm_insn_count): New.
17093 (compute_a_shift_length): Likewise.
17094 (h8300_adjust_insn_length): Do not adjust insn length of shift
17095 insns.
17096 * config/h8300/h8300.md (anonymous shift patterns): Use
17097 compute_a_shift_length.
17098
17099 Sat Mar 2 06:30:14 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17100
17101 * config/sparc/sparc.c (sparc_initialize_trampoline): Use
17102 trunc_int_for_mode.
17103
17104 * emit-rtl.c (offset_address): Call update_temp_slot_address.
17105
17106 2002-03-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17107
17108 * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-zero-initialized-in-bss.
17109 * doc/invoke.texi (-fno-zero-initialized-in-bss): Document.
17110 * flags.h (flag_zero_initialized_in_bss): Declare.
17111 * toplev.c (flag_zero_initialized_in_bss): New flag.
17112 (lang_independent_options): Add flag_zero_initialized_in_bss.
17113 * tree.c (initializer_zerop): New function.
17114 * tree.h (initializer_zerop): Declare.
17115 * varasm.c (assemble_variable): If we can emit bss, put zero
17116 initializers in the bss section.
17117
17118 2002-03-02 Alan Modra <amodra@bigpond.net.au>
17119
17120 * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): AIX assembler doesn't
17121 like more than one symbol per .weak directive.
17122
17123 2002-03-01 Richard Henderson <rth@redhat.com>
17124
17125 * config/ia64/ia64.c (ia64_initial_elimination_offset): Do not
17126 adjust argument_pointer by pretend_args_size.
17127 (ia64_va_start): Adjust va_start address by -pretend_args_size.
17128
17129 2002-03-01 Kazu Hirata <kazu@hxi.com>
17130
17131 * config/h8300/h8300.c (h8300_adjust_insn_length): Clean up.
17132
17133 Fri Mar 1 20:59:14 CET 2002 Jan Hubicka <jh@suse.cz>
17134
17135 * toplev.c (rest_of_compilation): Delete dead jumptables before
17136 loop.
17137 * flow.c (delete_dead_jumptables): Make global.
17138 * rtl.h (delete_dead_jumptables): Declare.
17139
17140 2002-03-01 David Edelsohn <edelsohn@gnu.org>
17141
17142 * config/rs6000/rs6000.h (HANDLE_PRAGMA_PACK): Delete.
17143 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Define.
17144 * config/rs6000/xcoff.h (COLLECT_EXPORT_LIST): Delete.
17145
17146 2002-03-01 Kazu Hirata <kazu@hxi.com>
17147
17148 * config/h8300/h8300-protos.h: Fix formatting.
17149 * config/h8300/h8300.c: Likewise.
17150 * config/h8300/h8300.h: Likewise.
17151
17152 2002-03-01 Kazu Hirata <kazu@hxi.com>
17153
17154 * config/h8300/h8300.c (print_operand): Support 16-bit
17155 constant addresses.
17156 * config/h8300/h8300.h (TINY_CONSTANT_ADDRESS_P): New.
17157
17158 2002-02-28 Richard Henderson <rth@redhat.com>
17159
17160 * expmed.c (store_bit_field): Prevent generation of CONCATs;
17161 pun complex values as integers; use gen_lowpart instead of
17162 gen_rtx_SUBREG.
17163 (extract_bit_field): Likewise.
17164
17165 2002-03-01 Alan Modra <amodra@bigpond.net.au>
17166 David Edelsohn <edelsohn@gnu.org>
17167
17168 * doc/tm.texi (ASM_WEAKEN_DECL): Document.
17169 (ASM_WEAKEN_LABEL): Mention ASM_WEAKEN_DECL.
17170 (SUPPORTS_WEAK): Likewise.
17171 * output.h (add_weak): Add tree param.
17172 * varasm.c (add_weak): Likewise. Save decl.
17173 (struct weak_syms): Add decl field.
17174 (mark_weak_decls): New function.
17175 (init_varasm_once): ggc_add_root mark_weak_decls.
17176 (assemble_start_function): Use ASM_WEAKEN_DECL.
17177 (assemble_variable): Likewise.
17178 (assemble_alias): Likewise.
17179 (declare_weak): Pass decl to add_weak.
17180 (weak_finish): Use ASM_WEAKEN_DECL. Try to find decl.
17181 (remove_from_pending_weak_list): Declare and define for
17182 ASM_WEAKEN_DECL.
17183 * c-pragma.c (handle_pragma_weak): Adjust add_weak call.
17184 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define if ASM_WEAKEN_DECL too.
17185 * defaults.h (SUPPORTS_WEAK): Likewise.
17186 * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
17187 .weak for code sym. Do emit .size for descriptor sym.
17188 (ASM_DECLARE_FUNCTION_SIZE): Define.
17189 * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Define.
17190 (ASM_OUTPUT_DEF_FROM_DECLS): Don't emit .weak here. Don't output
17191 .lglobl unless TARGET_XCOFF. Formatting fixes.
17192 * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
17193 .weak for code sym.
17194 (HANDLE_PRAGMA_WEAK): Remove.
17195 (ASM_WEAKEN_LABEL): Remove.
17196 * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Define.
17197
17198 2002-03-01 Jason Merrill <jason@redhat.com>
17199
17200 * tree.h (TARGET_EXPR_SLOT, TARGET_EXPR_INITIAL): New macros.
17201 (TARGET_EXPR_CLEANUP): New macro.
17202
17203 2002-02-28 Steve Ellcey <sje@cup.hp.com>
17204
17205 * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition
17206 to take ptr_extend into account as third type of extension.
17207 (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit
17208 fields used by SUBREG_PROMOTED_UNSIGNED_P.
17209 * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro.
17210 (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1.
17211 * calls.c (precompute_arguments): Use new macro.
17212 (expand_call): Ditto.
17213 * combine.c (nonzero_bits): Ditto.
17214 (record_promoted_value): Ditto.
17215 * expr.c (store_expr): Ditto.
17216 (expand_expr): Ditto.
17217 * function.c (assign_parms): Ditto.
17218
17219 2002-02-28 Alexandre Oliva <aoliva@redhat.com>
17220
17221 * gcc.c (init_gcc_specs): Get -static and -static-libgcc to
17222 override -shared and -shared-libgcc.
17223
17224 2002-02-28 David O'Brien <obrien@FreeBSD.org>
17225
17226 * config.gcc (sparc64-*-freebsd): Explicitly accept a cpu specification
17227 of "ultrasparc".
17228 * config/sparc/freebsd.h: Do not use MASK_FASTER_STRUCTS. It appears
17229 to be broken.
17230
17231 2002-02-28 Richard Henderson <rth@redhat.com>
17232
17233 * config/ia64/ia64.c (ia64_adjust_cost): All non-MM consumers have
17234 4 cycle latency from MM producers.
17235 (ia64_internal_sched_reorder): Likewise with pipeline flush.
17236
17237 2002-02-28 Jakub Jelinek <jakub@redhat.com>
17238
17239 * mklibgcc.in: Don't use GNU make extension.
17240
17241 2002-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
17242
17243 * c-parse.in (STATIC): New terminal.
17244 (scspec): New non-terminal. Update productions accordingly.
17245 (program): Remove bogus ifc / end ifc.
17246 (array_declarator): Simplify production using STATIC.
17247
17248 2002-02-28 Jim Meyering <meyering@lucent.com>
17249
17250 * cpplex.c (cpp_parse_escape): Restore mistakenly-removed code:
17251 \a still means TARGET_BELL.
17252
17253 2002-02-28 Richard Henderson <rth@redhat.com>
17254
17255 * haifa-sched.c (sched_emit_insn): New.
17256 (schedule_block): Use last_scheduled_insn to track last insn.
17257 * sched-int.h (sched_emit_insn): Prototype.
17258 * config/ia64/ia64.c (last_issued): Remove.
17259 (ia64_variable_issue): Don't set it.
17260 (nop_cycles_until): Use sched_emit_insn.
17261
17262 2002-02-28 Andrew MacLeod <amacleod@redhat.com>
17263
17264 * config/sparc/sparc.c (sparc64_initialize_trampoline): Generate sign
17265 extended constants.
17266
17267 2002-02-28 Kazu Hirata <kazu@hxi.com>
17268
17269 * config/h8300/h8300.c: Fix formatting.
17270 * config/h8300/h8300.h: Likewise.
17271
17272 2002-02-28 Marek Michalkiewicz <marekm@amelek.gda.pl>
17273
17274 * config/avr/avr.c (avr_hard_regno_mode_ok): Do not allow r29
17275 which may overwrite the high byte of the frame pointer.
17276
17277 2002-02-28 Bo Thorsen <bo@suse.de>
17278
17279 * config/i386/linux64.h (LINK_SPEC): Fix 32/64 bit compilation.
17280 (STARTFILE_SPEC): Add 64 bit files.
17281 (ENDFILE_SPEC): Likewise.
17282
17283 2002-02-28 Jason Merrill <jason@redhat.com>
17284
17285 * c-decl.c (finish_function): Only warn about missing return
17286 statement with -Wreturn-type.
17287
17288 Don Feb 28 11:24:30 CET 2002 Jan Hubicka <jh@suse.cz>
17289
17290 * cfgrtl.c (purge_dead_edges): Fix handling of EH edges.
17291
17292 * i386.h (CONDITIONAL_REGISTER_USAGE): Do not write to
17293 PIC_OFFSET_TABLE_REGNUM when it is INVALID_REGNUM
17294
17295 Don Feb 28 11:07:36 CET 2002 Jan Hubicka <jh@suse.cz>
17296
17297 * basic-block.h (BB_REACHABLE): Renumber.
17298 (BB_DIRTY, BB_NEW): New flags.
17299 (clear_bb_flags): Declare.
17300 (update_life_info_in_dirty_blocks): Declare.
17301 * cfg.c (clear_bb_flags): New function.
17302 * cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW.
17303 * emit-rtl.c (add_insn_after, add_insn_before, remove_insn,
17304 reorder_insns, emit_insn_after): Mark block as dirty.
17305 * flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS.
17306 (update_life_info_in_dirty_blocks): New function.
17307 * recog.c (apply_change_group): Dirtify block.
17308
17309 * cse.c (cse_insn): Reorder emitting of jump insn to keep
17310 cfg consistent.
17311 * gcse.c (delete_null_pointer_checks): Likewise.
17312
17313 * toplev.c (dump_file_index): Move cse2 after bp,
17314 add DFI_null
17315 (dump_file_info): Similary.
17316 (rest_of_compilation): Avoid most of CFG rebuilds;
17317 do first if converision after null pointer checks, do cse2
17318 after branch prediction; avoid full liveness rebuild after
17319 initializing subregs.
17320 * invoke.texi (-d options): Document -du, renumber.
17321
17322 * cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE.
17323 (notice_new_block): Do not set BB_UPDATE_LIFE.
17324 (try_forward_edges, merge_blocks_move_predecessor_nojumps,
17325 merge_blocks_move_successor_nojumps, merge_blocks,
17326 try_crossjump_to_edge): Likewise.
17327 (try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks.
17328 * cfgrtl.c (merge_blocks_nomove): Copy b's flags to a.
17329 * ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill.
17330 (merge_of_block): Do not use life_data_ok.
17331 (find_if_case_1): Do not use SET_UPDATE_LIFE.
17332 (if_convert): Use BB_DIRTY mechanizm to update life.
17333 * lcm.c (optimize_mode_switching): Update
17334 update_life_info_in_dirty_blocks
17335
17336 2002-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
17337
17338 * Makefile.in (integrate.o): Update.
17339 * c-decl.c (copy_lang_decl): Rename.
17340 * c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
17341 * integrate.c: Include langhooks.h.
17342 (copy_decl_for_inlining): Update to use langhook.
17343 * langhooks-def.h (lhd_do_nothing_t,
17344 LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
17345 (LANG_HOOKS_INITIALIZER): Update.
17346 * langhooks.c (lhd_do_nothing_t): New.
17347 * langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
17348 * tree.h (copy_lang_decl): Remove.
17349 objc:
17350 * objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
17351
17352 2002-02-27 Andrew MacLeod <amacleod@redhat.com>
17353
17354 * dwarf2out.c (stack_adjust_offset): Add support for POST_INC,
17355 POST_DEC, and POST_MODIFY.
17356
17357 2002-02-27 Zack Weinberg <zack@codesourcery.com>
17358
17359 * c-typeck.c (digest_init): Remove unused parameter; all
17360 callers changed.
17361
17362 2002-02-27 Geoffrey Keating <geoffk@redhat.com>
17363
17364 * expmed.c (expand_shift): Correctly test for low part of a
17365 subreg.
17366
17367 2002-02-27 Ulrich Weigand <uweigand@de.ibm.com>
17368
17369 * config/s390/s390.c (s390_chunkify_pool): Do not confuse
17370 insn UIDs with insn addresses.
17371
17372 2002-02-27 Zack Weinberg <zack@codesourcery.com>
17373
17374 * c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
17375 c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
17376 cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
17377 builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
17378 gcc.c, toplev.c: Delete code implementing -traditional mode.
17379
17380 * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
17381 doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
17382 Document removal of -traditional mode for compilation, and
17383 remove documentation only relevant to that mode.
17384
17385 * config/nextstep.h, config/ptx4.h, config/svr4.h,
17386 config/convex/convex.h, config/d30v/d30v.h,
17387 config/i386/dgux.h, config/i386/osf1elf.h,
17388 config/i386/osfelf.h, config/i386/osfrose.h,
17389 config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
17390 config/m68k/hp310.h, config/m88k/dgux.h,
17391 config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
17392 config/m88k/m88k.h, config/m88k/openbsd.h,
17393 config/mips/abi64.h, config/mips/osfrose.h,
17394 config/mips/svr4-5.h, config/mips/svr4-t.h,
17395 config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
17396 config/stormy16/stormy16.h: Remove all references to
17397 -traditional from target specs. Delete all mention of the
17398 no-longer-necessary TRADITIONAL_RETURN_FLOAT macro. Also
17399 delete a couple of commented-out definitions of
17400 DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
17401 to -traditional.
17402
17403 * system.h: Poison TRADITIONAL_RETURN_FLOAT.
17404 * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.
17405
17406 2002-02-27 Zack Weinberg <zack@codesourcery.com>
17407
17408 * mklibgcc.in: Don't use \n in a line subject to
17409 interpretation by echo.
17410
17411 2002-02-27 Graham Stott <grahams@redhat.com>
17412
17413 * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DELC):
17414 Constify NAME.
17415
17416 * loop.c (prescan_loop): Handle PARALLEL.
17417
17418 * unroll.c (loop_iterations): Return 0 if the add_val for
17419 a BIV is REG.
17420
17421 * final.c (output_operand_lossage): Constify PFX_STR.
17422
17423 * df.c (df_insn_refs_record): Use XEXP (x, 0) for USE.
17424
17425 Wed Feb 27 10:45:19 CET 2002 Jan Hubicka <jh@suse.cz>
17426
17427 * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove.
17428 * x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Allways define.
17429
17430 Wed Feb 27 10:39:20 CET 2002 Jan Hubicka <jh@suse.cz>
17431
17432 * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
17433
17434 2002-02-27 Neil Booth <neil@daikokuya.demon.co.uk>
17435
17436 * cpplex.c (_cpp_lex_token): Handle directives in macro
17437 arguments.
17438 * cpplib.c (_cpp_handle_directive): Save and restore state
17439 if parsing macro args when entering a directive.
17440 * cppmacro.c (collect_args): No need to handle directives
17441 in macro arguments.
17442 (enter_macro_context, replace_args): Use the original macro
17443 definition in case it was redefined whilst collecting arguments.
17444 doc:
17445 * cpp.texi: Update.
17446
17447 2002-02-26 David Edelsohn <edelsohn@gnu.org>
17448
17449 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Delete.
17450 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Delete.
17451 * config/rs6000/rs6000.c (rs6000_return_addr): Use efficient
17452 method on AIX.
17453 * config/rs6000/rs6000.md (movsi_low): Use gpc_reg_operand.
17454 (movsi_low_st, movdf_low, movdf_low_st, movsf_low, movsf_low_st): Same.
17455 (load_toc_v4_PIC_2): Same.
17456
17457 2002-02-26 Alan Modra <amodra@bigpond.net.au>
17458
17459 * config/rs6000/rs6000.md (load_toc_aix_di): Handle TARGET_RELOCATABLE.
17460
17461 2002-02-26 Richard Henderson <rth@redhat.com>
17462
17463 * config/alpha/alpha.md (ashldi_se): Re-enable.
17464
17465 2002-02-26 Richard Henderson <rth@redhat.com>
17466
17467 * config/alpha/alpha.c (alpha_encode_section_info): Examine
17468 MODULE_LOCAL_P; improve commentary.
17469
17470 2002-02-26 Zack Weinberg <zack@codesourcery.com>
17471
17472 * doc/cpp.texi: Clarify documentation of relationship between
17473 #line and #include.
17474
17475 2002-02-26 Kazu Hirata <kazu@hxi.com>
17476
17477 * config/h8300/h8300-protos.h: Update the prototype for
17478 compute_logical_op_length. Add the prototype for
17479 compute_logical_op_cc.
17480 * config/h8300/h8300.c (compute_logical_op_length): Figure out
17481 code from operands.
17482 (compute_logical_op_cc): New.
17483 * config/h8300/h8300.md: Combine all the logical op patterns
17484 in HImode and SImode. Use compute_logical_op_cc.
17485
17486 2002-02-26 Kelley Cook <kelleycook@comcast.net>
17487
17488 * config/i386/i386.c (print_operand): Don't append ATT-style
17489 length suffixs to x87 opcodes when in Intel mode.
17490
17491 2002-02-26 Ryan T. Sammartino <ryants@shaw.ca>
17492
17493 * emit-rtl.c (gen_const_vector_0): Remove TYPE argument.
17494 (init_emit_once): Update calls.
17495 * fixinc/gnu-regex.c (_GNU_SOURCE): Remove.
17496 (init_syntax_once): Prototype.
17497
17498 2002-02-26 John David Anglin <dave@hiauly1.hia.nrc.ca>
17499
17500 * pa-linux.h (LIB_SPEC): Update definition.
17501 * pa32-linux.h (LINK_COMMAND_SPEC): Delete.
17502
17503 2002-02-26 Richard Henderson <rth@redhat.com>
17504
17505 * config/ia64/ia64.c (nop_cycles_until): Do init_insn_group_barriers
17506 if we emitted a stop bit.
17507
17508 2002-02-26 Jakub Jelinek <jakub@redhat.com>
17509
17510 * configure.in (libgcc_visibility): Substitute.
17511 * configure: Rebuilt.
17512 * mklibgcc.in: If libgcc_visibility = yes, make libgcc.a global
17513 defined symbols .hidden.
17514
17515 2002-02-26 Jakub Jelinek <jakub@redhat.com>
17516
17517 * attribs.c (c_common_attribute_table): Add visibility.
17518 (handle_visibility_attribute): New function.
17519 * varasm.c (assemble_visibility): New function.
17520 * output.h (assemble_visibility): Add prototype.
17521 * tree.h (MODULE_LOCAL_P): Define.
17522 * crtstuff.c (__dso_handle): Use visibility attribute.
17523 * config/i386/i386.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG
17524 for MODULE_LOCAL_P symbols too.
17525 * config/ia64/ia64.c (ia64_encode_section_info): Handle
17526 MODULE_LOCAL_P symbols the same way as local symbols.
17527 Add SDATA_NAME_FLAG_CHAR even if decl was explicitely forced
17528 into .sdata/.sbss by the user.
17529 * doc/extend.texi (Function Attributes): Document visibility
17530 attribute.
17531
17532 2002-02-26 Jakub Jelinek <jakub@redhat.com>
17533
17534 PR debug/5770
17535 * dwarf2out.c (rtl_for_decl_location): Return CONST_STRING for
17536 STRING_CST initializer spanning the whole variable without
17537 embedded zeros.
17538 If expand_expr returned MEM, don't use it.
17539
17540 2002-02-26 Alexandre Oliva <aoliva@redhat.com>
17541
17542 * dwarf2out.c (gen_inlined_subroutine_die): If block is abstract,
17543 generate a die for the lexical block.
17544
17545 2002-02-26 Kazu Hirata <kazu@hxi.com>
17546
17547 * config/h8300/h8300-protos.h: Add a prototype for
17548 compute_logical_op_length.
17549 * config/h8300/h8300.c (compute_logical_op_length): New.
17550 * config/h8300/h8300.md (anonymous logical patterns): Use
17551 compute_logical_op_length for length.
17552
17553 2002-02-26 Aldy Hernandez <aldyh@redhat.com>
17554
17555 * dwarf2out.c (modified_type_die): Do not call type_main_variant
17556 for vectors.
17557 (gen_type_die): Same.
17558
17559 * attribs.c (handle_vector_size_attribute): Set debug information.
17560
17561 2002-02-26 Daniel Egger <degger@fhm.edu>
17562
17563 * config/rs6000/rs6000.md: Swap define_insn attributes to
17564 fix incorrect generation of merge high instructions instead
17565 of merge low.
17566
17567 2002-02-26 Aldy Hernandez <aldyh@redhat.com>
17568
17569 * c-typeck.c (really_start_incremental_init): Use
17570 bitsize_zero_node for vectors.
17571
17572 2002-02-26 Aldy Hernandez <aldyh@redhat.com>
17573
17574 * config/rs6000/rs6000.md (get_vrsave_internal): Fix typo.
17575 ("*set_vrsave_internal"): Same.
17576
17577 2002-02-25 Richard Henderson <rth@redhat.com>
17578
17579 * expr.c (expand_expr) [MULT_EXPR]: Do not apply distributive law
17580 in EXPAND_SUM case. Use host_integerp/tree_low_cst.
17581
17582 2002-02-25 Jakub Jelinek <jakub@redhat.com>
17583
17584 PR target/5755
17585 * config/i386/i386.c (ix86_return_pops_args): Only pop
17586 fake structure return argument if it was passed on the stack.
17587
17588 2002-02-25 Jason Merrill <jason@redhat.com>
17589
17590 * attribs.c (decl_attributes): Also re-layout PARM_DECL and
17591 RESULT_DECL.
17592
17593 2002-02-25 Alexandre Oliva <aoliva@redhat.com>
17594
17595 * gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to
17596 link with shared_name only.
17597 * doc/invoke.texi (Link Options): Document new behavior.
17598
17599 2002-02-25 Aldy Hernandez <aldyh@redhat.com>
17600
17601 * c-typeck.c (push_init_level): Handle vectors.
17602
17603 2002-02-25 Alexandre Oliva <aoliva@redhat.com>
17604
17605 * config/sparc/sparc.c (const64_high_operand): Zero-extend
17606 operands of SPARC_SETHI_P.
17607 (input_operand): Likewise.
17608 (sparc_emit_set_const32): Likewise.
17609 * config/sparc/sparc.h (SPARC_SETHI_P): Disregard TARGET_ARCH64.
17610 (SPARC_SETHI32_P): Zero-extend operand from 32 bits.
17611 (CONST_OK_FOR_LETTER_P): Use SETHI32 for `K'. Add `N' as SETHI.
17612 * config/sparc/sparc.md (movdi_insn_sp64_novis): Use `N'.
17613 (movdi_insn_sp64_vis): Likewise.
17614 (movdi split, movdf split): Use SETHI32.
17615 * doc/md.texi: Document SPARC constraints L, M and N.
17616
17617 2002-02-25 Aldy Hernandez <aldyh@redhat.com>
17618
17619 * config/rs6000/rs6000.md ("get_vrsave_internal"): New.
17620 ("*set_vrsave_internal"): use mfspr for Darwin.
17621
17622 * config/rs6000/rs6000.c (rs6000_emit_prologue): Call
17623 gen_get_vrsave_internal.
17624
17625 Sun Feb 24 16:38:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17626
17627 * optabs.c (widen_operand): Properly handle CONST_INT for NO_EXTEND.
17628
17629 2002-02-24 Neil Booth <neil@daikokuya.demon.co.uk>
17630
17631 * cpplex.c (cpp_interpret_charconst): Get signedness or
17632 otherwise of wide character constants correct.
17633 * cppexp.c (lex): Get signedness of wide charconsts correct.
17634
17635 Sun Feb 24 07:41:31 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17636
17637 * optabs.c (widen_operand): Only call convert_modes for
17638 promoted SUBREG if signedness matches.
17639 * config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns.
17640
17641 2002-02-23 Neil Booth <neil@daikokuya.demon.co.uk>
17642
17643 * cpplib.c (glue_header_name): Use local buffer to build up
17644 header name.
17645
17646 2002-02-23 Neil Booth <neil@daikokuya.demon.co.uk>
17647
17648 * doc/cpp.texi, doc/invoke.texi: Update documentation for -MM.
17649
17650 2002-02-23 Kazu Hirata <kazu@hxi.com>
17651
17652 * config/h8300/h8300.c (output_simode_bld): Handle H8/300 and
17653 H8/300[HS] separately.
17654 * config/h8300/h8300.md: Remove the early clobber constraint
17655 from bit field patterns.
17656
17657 2002-02-23 Kazu Hirata <kazu@hxi.com>
17658
17659 * config/h8300/h8300.md (mulqihi3): Tighten predicates to
17660 register_operand.
17661 (mulhisi3): Likewise.
17662 (umulqisi3): Likewise.
17663 (umulhisi3): Likewise.
17664
17665 2002-02-23 Neil Booth <neil@daikokuya.demon.co.uk>
17666
17667 * cppinit.c (output_deps): Correct test for stdout output.
17668 (init_dependency_output): Cure warning.
17669
17670 Sat Feb 23 08:42:47 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17671
17672 * expr.c (store_expr): When converting expression to promoted
17673 equivalent type, allow using SUBREG_REG of TARGET as the target
17674 of the expansion of EXP.
17675 * loop.c (basic_induction_var, case SUBREG): Always look inside.
17676 * config/alpha/alpha.c (rtx_equiv_function_matters): Delete decl.
17677 (alpha_emit_set_const): Handle SImode when can't make new pseudos.
17678 (alpha_emit_set_const_1, alpha_sa_mask): Use no_new_pseudos.
17679 * config/alpha/alpha.md (addsi3, subsi3): Don't use if optimizing.
17680
17681 2002-02-23 Joseph S. Myers <jsm28@cam.ac.uk>
17682
17683 * doc/contribute.texi, doc/extend.texi, doc/install.texi,
17684 doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/rtl.texi,
17685 doc/standards.texi, doc/tm.texi: Remove trailing whitespace.
17686
17687 2002-02-23 Jakub Jelinek <jakub@redhat.com>
17688
17689 PR optimization/5747
17690 * loop.c (scan_loop): Update reg info if move_movables created new
17691 pseudos.
17692
17693 2002-02-23 David Edelsohn <edelsohn@gnu.org>
17694
17695 * gcc.c (init_gcc_spec): Revert last change.
17696
17697 2002-02-23 David Edelsohn <edelsohn@gnu.org>
17698
17699 * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Use
17700 gpc_reg_operand constraint.
17701
17702 2002-02-23 Alan Modra <amodra@bigpond.net.au>
17703
17704 * config/rs6000/rs6000.c (num_insns_constant): Fix formatting.
17705 Simplify comparison of `low'.
17706 (add_operand): Fix formatting.
17707 (non_add_cint_operand): Use CONST_OK_FOR_LETTER_P.
17708 (mask_operand): Disallow mask to wrap in 64-bit mode.
17709 (rs6000_stack_info): Remove redundant test setting push_p.
17710 (output_toc): Fix formatting.
17711 * config/rs6000/rs6000.md (boolsi3, boolcsi3 splitters): Use
17712 cc_reg_not_cr0_operand constraint.
17713 (booldi3, boolcdi3 splitters): Same.
17714
17715 2002-02-23 Aldy Hernandez <aldyh@redhat.com>
17716
17717 * config/rs6000/altivec.h: Add extra level of parentheses on casts.
17718
17719 2002-02-22 David Edelsohn <edelsohn@gnu.org>
17720
17721 * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
17722 gcc invoked with -shared-libgcc.
17723
17724 2002-02-22 Jakub Jelinek <jakub@redhat.com>
17725
17726 PR c++/5748
17727 * stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union
17728 decl if any of elements was TREE_USED.
17729
17730 2002-02-22 Alexandre Oliva <aoliva@redhat.com>
17731
17732 * config/sparc/sol2.h: Don't include sys/mman.h.
17733 * config/sparc/sparc.c (arith_operand): Use SMALL_INT32.
17734 (arith_4096_operand): Don't throw high bits away.
17735 (const64_operand): Take sign extension of CONST_INTs into account.
17736 (const64_high_operand, sparc_emit_set_const32): Likewise.
17737 (GEN_HIGHINT64): Likewise.
17738 (sparc_emit_set_const64_quick1): Likewise.
17739 (const64_is_2insns): Likewise.
17740 (print_operand): Use trunc_int_for_mode for sign extension.
17741 * config/sparc/sparc.h (SMALL_INT32): Likewise.
17742 * config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE
17743 chars. Assume CONST_INT is already properly sign-extended.
17744 (movdi split): Sign-extend each SImode part.
17745 (andsi3 split): Don't mask high bits off, so that result
17746 remains properly sign-extend.
17747 (iorsi3 split): Likewise.
17748 (xorsi3 split): Likewise.
17749
17750 2002-02-22 Richard Sandiford <rsandifo@redhat.com>
17751
17752 * fold-const.c (fold): Fix typo in comments.
17753
17754 2002-02-21 Diego Novillo <dnovillo@redhat.com>
17755
17756 * Makefile.in (langhooks.o): Update dependencies.
17757
17758 2002-02-21 Diego Novillo <dnovillo@redhat.com>
17759
17760 * langhooks.c: Include flags.h.
17761
17762 2002-02-21 Aldy Hernandez <aldyh@redhat.com>
17763
17764 * testsuite/gcc.dg/attr-alwaysinline.c: New.
17765
17766 * c-common.c (c_common_post_options): Set inline trees by
17767 default.
17768
17769 * doc/extend.texi (Function Attributes): Document always_inline
17770 attribute.
17771 Update documentation about inlining when not optimizing.
17772
17773 * cp/decl.c (duplicate_decls): Merge always_inline attribute.
17774
17775 * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
17776 unless DECL_ALWAYS_INLINE.
17777
17778 * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
17779 unless DECL_ALWAYS_INLINE.
17780 (c_disregard_inline_limits): Disregard if always_inline set.
17781
17782 * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
17783 Disregard if always_inline set.
17784 (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
17785 unless DECL_ALWAYS_INLINE.
17786
17787 * attribs.c (handle_always_inline_attribute): New.
17788 (c_common_attribute_table): Add always_inline.
17789
17790 * config/rs6000/altivec.h: Add prototypes for builtins
17791 requiring the always_inline attribute.
17792
17793 2002-02-21 Eric Christopher <echristo@redhat.com>
17794
17795 * expmed.c (store_bit_field): Try to simplify the subreg
17796 before generating a new one when when the mode size of
17797 value is less than maxmode.
17798
17799 2002-02-21 Richard Henderson <rth@redhat.com>
17800
17801 * emit-rtl.c (offset_address): Use simplify_gen_binary rather
17802 than gen_rtx_PLUS to form the sum.
17803 * explow.c (force_reg): Rearrange to not allocate new pseudo
17804 when force_operand returns a register.
17805 * expr.c (expand_assignment): Allow offset_rtx expansion to
17806 return a sum. Do not force addresses into registers.
17807 (expand_expr): Likewise.
17808 * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
17809 to canonicalize arithmetic that didn't simpify.
17810 (simplify_plus_minus): New argument force; update
17811 all callers. Don't split CONST unless we can do something with it,
17812 and wouldn't lose the constness of the operands.
17813
17814 * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
17815 that we generated earlier.
17816
17817 2002-02-21 Tom Tromey <tromey@redhat.com>
17818
17819 * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
17820 (output_line_info): Use constant `1', with a long explanatory
17821 comment.
17822 * system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.
17823
17824 Thu Feb 21 22:43:44 2002 J"orn Rennecke <joern.rennecke@superh.com>
17825
17826 * jump.c (redirect_jump): If old label has no UID, don't try to
17827 delete it.
17828
17829 Thu Feb 21 21:17:21 2002 J"orn Rennecke <joern.rennecke@superh.com>
17830
17831 * sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.
17832 If input is constant, do shifts at compile time.
17833
17834 2002-02-21 Joseph S. Myers <jsm28@cam.ac.uk>
17835
17836 * doc/extend.texi: Fix some more overfull hboxes.
17837
17838 2002-02-21 Jakub Jelinek <jakub@redhat.com>
17839
17840 PR optimization/4994
17841 * config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX
17842 register moves.
17843
17844 2002-02-21 Jakub Jelinek <jakub@redhat.com>
17845
17846 PR c++/4574
17847 * expr.h (expand_and): Add mode argument.
17848 * expmed.c (expand_and): Add mode argument.
17849 (expand_mult_highpart_adjust, emit_store_flag): Adjust callers.
17850 * expr.c (store_field, expand_expr, do_store_flag): Likewise.
17851 * except.c (expand_builtin_extract_return_addr): Likewise.
17852 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
17853 * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
17854 * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise.
17855 Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x).
17856 * config/c4x/c4x.md: Use GEN_INT (x) instead of
17857 gen_rtx (CONST_INT, VOIDmode, x).
17858
17859 2002-02-21 Jakub Jelinek <jakub@redhat.com>
17860
17861 PR c/4697:
17862 * stmt.c (warn_if_unused_value): Move side effects test once more.
17863
17864 2002-02-20 Torbjorn Granlund <tege@swox.com>
17865
17866 * config/avr/avr.md: Add more patterns for mized-mode add and subtract
17867 (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend).
17868
17869 Thu Feb 21 16:20:46 2002 Alexandre Oliva <aoliva@redhat.com>
17870
17871 * rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of
17872 SUBREG or ZERO_EXTEND.
17873
17874 Thu Feb 21 15:35:46 2002 J"orn Rennecke <joern.rennecke@superh.com>
17875
17876 * sh.h (current_function_anonymous_args): Remove.
17877 (SETUP_INCOMING_VARARGS): Don't set it - just check that one
17878 of current_function_varargs and current_function_stdarg is set.
17879 * sh.c (sh_expand_prologue): Check current_function_varargs /
17880 current_function_stdarg / TARGET_SH5 instead of
17881 current_function_anonymous_args.
17882
17883 * sh64.h (TARGET_VERSION): Define.
17884
17885 2002-02-20 David Edelsohn <edelsohn@gnu.org>
17886
17887 * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize
17888 VRSAVE_REGNO on TARGET_ALTIVEC.
17889
17890 2002-02-20 Alan Modra <amodra@bigpond.net.au>
17891
17892 * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant
17893 bits of SImode const_int.
17894 (includes_rshift_p): Likewise.
17895 (print_operand): Call mask_operand and mask64_operand with correct
17896 mode.
17897 (rs6000_output_function_epilogue): Pad traceback table to word.
17898 * config/rs6000/rs6000.h (MASK_64BIT): Correct comment.
17899 (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and
17900 mask64_operand with correct mode.
17901 (FUNCTION_ARG_REGNO_P): Correct parentheses.
17902
17903 2002-02-20 Jakub Jelinek <jakub@redhat.com>
17904
17905 PR debug/4461
17906 * varasm.c (get_pool_constant_mark): New.
17907 * rtl.h (get_pool_constant_mark): Add prototype.
17908 * dwarf2out.c (mem_loc_descriptor): A pool constant cannot
17909 be represented if it has not been output.
17910
17911 2002-02-20 Alexandre Oliva <aoliva@redhat.com>
17912
17913 * combine.c (do_SUBST): Sanity check substitutions of
17914 CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
17915 (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
17916 CONST_INT into its operand.
17917 (known_cond): Likewise, for ZERO_EXTEND.
17918 * simplify-rtx.c (simplify_unary_operation): Fix condition to
17919 allow for simplification of wide modes. Reject CONST_INTs in
17920 ZERO_EXTEND when their actual mode is not given.
17921
17922 2002-02-20 Alexandre Oliva <aoliva@redhat.com>
17923
17924 * c-decl.c (pushdecl): If no global declaration is found for an
17925 extern declaration in block scope, try a limbo one.
17926
17927 2002-02-20 Jakub Jelinek <jakub@redhat.com>
17928
17929 PR c++/4401
17930 * c-common.c (pointer_int_sum): Moved from...
17931 * c-typeck.c (pointer_int_sum): ...here.
17932 * c-common.h (pointer_int_sum): Add prototype.
17933
17934 2002-02-20 Jakub Jelinek <jakub@redhat.com>
17935
17936 PR c++/5713
17937 * c-decl.c (duplicate_decls): Return 0 if issued error about
17938 redeclaration.
17939
17940 2002-02-20 Roger Sayle <roger@eyesopen.com>
17941 Jakub Jelinek <jakub@redhat.com>
17942
17943 PR c/4389
17944 * tree.c (host_integerp): Ensure that the constant integer is
17945 representable in a HOST_WIDE_INT or an unsigned HOST_WIDE_INT
17946 when pos is zero or non-zero respectively. Clarify comment.
17947 * c-format.c (check_format_info_recurse): Fix host_integerp
17948 usage; the pos argument should be zero when assigning to a
17949 signed HOST_WIDE_INT.
17950
17951 2002-02-20 Richard Henderson <rth@redhat.com>
17952
17953 * config/i386/i386.c (ix86_expand_vector_move): Use the mode
17954 of the operand, rather than assuming TImode.
17955 (ix86_expand_binop_builtin): Cope with commutative patterns
17956 using nonimmediate_operand for both operands.
17957 (ix86_expand_timode_binop_builtin): Likewise.
17958 (ix86_expand_store_builtin): Validate operand 1.
17959 (ix86_expand_unop1_builtin): Likewise.
17960
17961 2002-02-20 Philip Blundell <philb@gnu.org>
17962
17963 PR 5705
17964 * config/arm/arm.h (HARD_REGNO_RENAME_OK): New macro.
17965
17966 2002-02-20 Richard Henderson <rth@redhat.com>
17967
17968 PR c/5615
17969 * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.
17970
17971 2002-02-20 Tom Tromey <tromey@redhat.com>
17972
17973 * config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
17974 * config/sh/sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
17975 * config/pj/pj.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
17976 * config/cris/cris.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
17977 * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Define
17978 unconditionally.
17979
17980 Wed Feb 20 00:03:25 EST 2002 Alan Matsuoka <alanm@redhat.com>
17981
17982 * config/rs6000/rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Look
17983 for (const_int 0) in X not just INTVAL.
17984
17985 2002-02-20 Joseph S. Myers <jsm28@cam.ac.uk>
17986
17987 * doc/extend.texi: Avoid or reduce overfull hboxes.
17988
17989 2002-02-20 Diego Novillo <dnovillo@redhat.com>
17990
17991 * expmed.c (store_bit_field): Do not store bit fields using SUBREG
17992 operations if the field does not start at a mode boundary.
17993
17994 2001-02-20 Joel Sherrill <joel@OARcorp.com>
17995
17996 * config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h,
17997 config/mips/rtems.h: Use new style of -Asystem= rather than -Asystem().
17998 Also done for -Acpu and -Amachine.
17999
18000 2002-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
18001
18002 * cppinit.c (init_dependency_output): Take deps output file
18003 from -o if none given with -MF. Suppress normal output.
18004 * gcc.c (cpp_unique_options): Have -M and -MM imply -E.
18005 * doc/cpp.texi, doc/invoke.texi: Update.
18006
18007 2002-02-19 Zack Weinberg <zack@codesourcery.com>
18008
18009 * toplev.c (output_quoted_string): Write unprintable
18010 characters with octal escapes.
18011
18012 2002-02-19 David Edelsohn <edelsohn@gnu.org>
18013
18014 * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Set
18015 really_call_used[VRSAVE_REGNO] if not Altivec.
18016
18017 2002-02-19 Alan Modra <amodra@bigpond.net.au>
18018
18019 * config/rs6000/rs6000.c (u_short_cint_operand): Mask op with
18020 MODE_MASK.
18021 (constant_pool_expr_1): Fix formatting.
18022 (rs6000_legitimize_reload_address): Likewise.
18023
18024 Tue Feb 19 20:13:57 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18025
18026 * config/sparc/sparc.md (nonlocal_goto): Use hard_frame_pointer_rtx
18027 now that we have one.
18028
18029 2002-02-19 Zack Weinberg <zack@codesourcery.com>
18030
18031 * tree.h (struct tree_common): Remove aux. Add unused_0 at
18032 end of first block of bitfields (which was only seven bits);
18033 rename dummy to unused_1; remove comment which is no longer true.
18034
18035 2002-02-19 Gaute B Strokkenes <gs234@cam.ac.uk>
18036
18037 * doc/c-tree.texi (Classes, TYPE_BINFO): Fix typo.
18038
18039 2002-02-19 Philip Blundell <pb@nexus.co.uk>
18040
18041 PR 5399
18042 * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept anything
18043 if generating PIC.
18044
18045 PR 5054
18046 * config/arm/arm.md (call_insn) [TARGET_THUMB]: Use
18047 arm_is_longcall_p rather than inspecting call-type cookie
18048 directly.
18049 (call_value_insn) [TARGET_THUMB]: Likewise.
18050
18051 2002-02-19 Graham Stott <grahams@redhat.com>
18052
18053 * config/i386/i386.c (ix86_expand_builtin): Fix typo.
18054
18055 2002-02-19 David Edelsohn <edelsohn@gnu.org>
18056
18057 * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Look in /lib64.
18058 ({STARTFILE,ENDFILE}_LINUX_SPEC): Define.
18059 (FP_SAVE_INLINE): Delete.
18060
18061 * config/rs6000/sysv4.h (ENDFILE_SPEC): Add crtsaveres.o.
18062 * config/rs6000/eabi.asm: Remove ABI save restore routines.
18063 * config/rs6000/t-ppccomm: Build crtsavres.o.
18064 * config/rs6000/crtsavres.asm: New file.
18065
18066 2002-02-19 Philip Blundell <philb@gnu.org>
18067
18068 * config/arm/arm.c (use_return_insn): Don't reject interrupt
18069 functions.
18070 (arm_compute_save_reg_mask): Save LR for interrupt functions too.
18071 (output_return_instruction): Allow interrupt functions to return with
18072 ldmfd sp!, {... pc}^. Use LDR to restore any single register.
18073 (arm_expand_prologue): Subtract 4 before stacking LR in an
18074 interrupt function.
18075
18076 2002-02-19 Philip Blundell <pb@nexus.co.uk>
18077
18078 * config/arm/arm.c (arm_encode_call_attribute): Operate on any
18079 decl, not just FUNCTION_DECL.
18080 (legitimize_pic_address): Handle local SYMBOL_REF like LABEL_REF.
18081 (arm_assemble_integer): Likewise.
18082 * config/arm/arm.h (ARM_ENCODE_CALL_TYPE): Allow any decl to be
18083 marked local.
18084
18085 2002-02-19 matthew green <mrg@eterna.com.au>
18086
18087 * config.gcc (sparc-*-netbsdelf*): Enable target.
18088 (sparc64-*-netbsd*): New target.
18089 * config/sparc/netbsd-elf.h: New file.
18090 * config/sparc/t-netbsd64: New file.
18091
18092 2002-02-19 Gaute B Strokkenes <gs234@cam.ac.uk>
18093
18094 * doc/rtl.texi (Flags, MEM_SCALAR_P): Fix typo.
18095
18096 2002-02-19 Ryan T. Sammartino <ryants@shaw.ca>
18097
18098 * doc/invoke.texi: explicitly list the style guidelines that
18099 -Weffc++ checks for.
18100
18101 Tue Feb 19 12:37:23 CET 2002 Jan Hubicka <jh@suse.cz>
18102
18103 * regmove.c (regmove_optimize): Avoid increasing of register pressure.
18104
18105 2002-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
18106
18107 PR other/5718
18108 * gcc.c (cpp_unique_options): Treat -o as indicating object file
18109 only if not -E. If -E, pass -o through to the preprocessor.
18110
18111 2002-02-19 Kazu Hirata <kazu@hxi.com>
18112
18113 * config/h8300/h8300.h (REGNO_REG_CLASS): Replace a literal
18114 register number with an appropriate macro.
18115
18116 2002-02-19 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
18117
18118 * doc/rtl.texi (Constants): Close @code tag.
18119
18120 2002-02-19 Aldy Hernandez <aldyh@redhat.com>
18121
18122 * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector.
18123 ("mmx_uavgv4hi3"): Same.
18124 ("pmulhrwv4hi3"): Same.
18125
18126 * tree-inline.c (walk_tree): Handle vectors.
18127
18128 * c-common.c (constant_expression_warning): Handle vectors.
18129 (overflow_warning): Same.
18130
18131 * sched-deps.c (sched_analyze_2): Handle vectors.
18132
18133 * rtlanal.c (rtx_unstable_p): Handle vectors.
18134 (rtx_varies_p): Same.
18135 (count_occurrences): Same.
18136 (regs_set_between_p): Same.
18137 (modified_between_p): Same.
18138 (modified_in_p): Same.
18139 (volatile_insn_p): Same.
18140 (volatile_refs_p): Same.
18141 (side_effects_p): Same.
18142 (may_trap_p): Same.
18143 (inequality_comparisons_p): Same.
18144 (replace_regs): Same.
18145 (computed_jump_p_1): Same.
18146
18147 * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th
18148 argument.
18149 (inner_mode_array): New.
18150 (copy_rtx): Handle vectors.
18151 (copy_most_rtx): Same.
18152 (rtx_equal_p): Same.
18153 (get_mode_alignment): Adjust for vectors.
18154
18155 * resource.c (mark_referenced_resources): Handle vectors.
18156 (mark_set_resources): Same.
18157
18158 * reload1.c (eliminate_regs): Handle vectors.
18159 (elimination_effects): Same.
18160 (scan_paradoxical_subregs): Same.
18161
18162 * reload.c (subst_reg_equivs): Handle vectors.
18163
18164 * regrename.c (scan_rtx): Handle vectors.
18165
18166 * regclass.c (reg_scan_mark_refs): Handle vectors.
18167
18168 * recog.c (find_single_use_1): Handle vectors.
18169
18170 * local-alloc.c (equiv_init_varies_p): Handle vectors.
18171 (contains_replace_regs): Same.
18172 (memref_referenced_p): Same.
18173
18174 * integrate.c (copy_rtx_and_substitute): Handle vectors.
18175 (subst_constants): Same.
18176
18177 * genattrtab.c (attr_copy_rtx): Handle vectors.
18178 (encode_units_mask): Same.
18179 (clear_struct_flag): Same.
18180 (count_sub_rtxs): Same.
18181
18182 * gcse.c (want_to_gcse_p): Handle vectors.
18183 (oprs_unchanged_p): Same.
18184 (hash_expr_1): Same.
18185 (oprs_not_set_p): Same.
18186 (expr_killed_p): Same.
18187 (compute_transp): Same.
18188 (store_ops_ok): Same.
18189
18190 * function.c (purge_addressof_1): Do not allow paradoxical subregs
18191 of vectors.
18192 (fixup_var_refs_1): Same.
18193 (instantiate_virtual_regs_1): Same.
18194
18195 * fold-const.c (operand_equal_p): Handle vectors.
18196 (fold): Same.
18197 (rtl_expr_nonnegative_p): Same.
18198
18199 * flow.c (mark_used_regs): Handle vectors.
18200
18201 * df.c (df_uses_record): Handle vectors.
18202
18203 * cselib.c (cselib_subst_to_values): Handle vectors.
18204 (cselib_mem_conflict_p): Same.
18205 (hash_rtx): Same.
18206
18207 * cse.c (canon_reg): Handle vectors.
18208 (fold_rt): Same.
18209 (cse_process_notes): Same.
18210 (count_reg_usage): Same.
18211 (canon_hash): Same.
18212
18213 * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR.
18214
18215 * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR.
18216
18217 * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors.
18218 (gen_rtx): Handle CONST_VECTOR.
18219 (gen_const_vector_0): New.
18220 (copy_rtx_if_shared): CONST_VECTORs can be shared.
18221 (reset_used_flags): Same.
18222 (copy_insn_1): Same.
18223 (initializer_constant_valid_p): Handle VECTOR_CST.
18224
18225 * doc/c-tree.texi (Expression trees): Document VECTOR_CST.
18226
18227 * doc/rtl.texi (Constants): Document const_vector.
18228 (CONST0_RTX): Update for vectors.
18229 (RTL sharing): Same.
18230
18231 * print-tree.c (print_node): Add case for VECTOR_CST.
18232
18233 * tree.h (TREE_VECTOR_CST_ELTS): New.
18234 (struct tree_vector): New.
18235 (union tree_node): Add vector node.
18236 (build_vector): Add prototype.
18237
18238 * tree.def (VECTOR_CST): New.
18239
18240 * tree.c (build_vector): New.
18241
18242 * expmed.c (make_tree): Handle CONST_VECTOR.
18243
18244 * rtl.h (CONSTANT_P): CONST_VECTORs are constants too.
18245 (CONST_VECTOR_ELT): New.
18246 (CONST_VECTOR_NUNITS): New.
18247
18248 * machmode.h (GET_MODE_INNER): New.
18249 (DEF_MACHMODE): Accept 8th arg.
18250
18251 * machmode.def: Add 8th argument for vector inner mode.
18252 Add inner vector modes for vectors.
18253
18254 * rtl.def (VEC_CONST): Remove.
18255 (CONST_VECTOR): New.
18256
18257 * expr.c (clear_storage): Allow vectors.
18258 (is_zeros_p): Handle VECTOR_CST.
18259
18260 * varasm.c (output_constant_pool): Handle vectors.
18261 (rtx_const): Add veclo and vechi fields.
18262 (kind): Add RTX_VECTOR.
18263 (decode_rtx_const): Add case for vector.
18264
18265 * config/rs6000/rs6000-protos.h: Add zero_constant.
18266
18267 * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector
18268 constants. Force easy vector constants into memory.
18269 (easy_vector_constant): New.
18270 (emit_easy_vector_constant): New.
18271 (rs6000_legitimize_reload_address): Do not generate bad reloads on
18272 darwin.
18273
18274 * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what
18275 instruction does.
18276 ("altivec_lvxl"): Same.
18277 (altivec_lvebx): Same.
18278 (altivec_lvehx): Same.
18279 (altivec_lvewx): Same.
18280 ("*movv4si_const0"): New.
18281 ("*movv4sf_const0"): New.
18282 ("*movv8hi_const0"): New.
18283 ("*movv16qi_const0"): New.
18284
18285 2002-02-18 Kazu Hirata <kazu@hxi.com>
18286
18287 * config/h8300/h8300.c (notice_update_cc): Use
18288 cc_status.value2.
18289
18290 2002-02-18 Kazu Hirata <kazu@hxi.com>
18291
18292 * config/h8300/h8300.md (divmod patterns): Change the
18293 constraints for operands[1] to register_operand.
18294
18295 2002-02-18 Kazu Hirata <kazu@hxi.com>
18296
18297 * config/h8300/h8300-protos.h: Remove the prototype for
18298 p_operand.
18299 * config/h8300/h8300.c (p_operand): Remove.
18300 * config/h8300/h8300.md: Replace p_operand with
18301 const_int_operand.
18302
18303 2002-02-18 Philip Blundell <pb@nexus.co.uk>
18304
18305 * config/arm/arm.c (arm_compute_save_reg_mask): Fix typo in
18306 comment.
18307 (output_return_instruction): Allow use of LDR to unstack
18308 return addresss even for interrupt handlers or when
18309 interworking. If compiling for ARMv5, use interworking-safe
18310 return instructions by default. Remove duplicated code and
18311 lengthy "strcat" sequences.
18312
18313 2002-02-18 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18314
18315 * config/rs6000/sysv4.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
18316 (LINK_EH_SPEC): Define.
18317 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.
18318
18319 2002-02-18 Ulrich Weigand <uweigand@de.ibm.com>
18320
18321 * config/s390/s390.c (s390_emit_prologue): Do not set the
18322 frame_related flag for call-clobbered registers.
18323
18324 Mon Feb 18 15:07:35 CET 2002 Jan Hubicka <jh@suse.cz>
18325
18326 * i386.c (classify_argument): Properly classify SSE/MMX modes and VOIDmode.
18327 (construct_container): Fix handling of SSE operands.
18328 (ix86_expand_builtin): Fix handling of 64bit pointers.
18329 (mmx_maskmovq_rex): New pattern.
18330
18331 Mon Feb 18 11:55:55 CET 2002 Jan Hubicka <jh@suse.cz>
18332
18333 * regrename.c (kill_set_value): Handle subregs properly.
18334
18335 2002-02-18 David Billinghurst <David.Billinghurst@riotinto.com>
18336
18337 * objc/objc-act.c (handle_impent): Remove leading '*'
18338 from objc_class_name.
18339
18340 2002-02-17 Richard Henderson <rth@redhat.com>
18341
18342 * config/alpha/alpha.c (some_small_symbolic_operand,
18343 some_small_symbolic_operand_1, split_small_symbolic_operand,
18344 split_small_symbolic_operand_1): Rename from *symbolic_mem_op*.
18345 Handle small SYMBOL_REFs anywhere, not just inside memories.
18346 * config/alpha/alpha-protos.h: Update.
18347 * config/alpha/alpha.h (PREDICATE_CODES): Update.
18348 * config/alpha/alpha.md (small symbolic operand splitter): Update.
18349
18350 2002-02-17 Roland McGrath <roland@frob.com>
18351
18352 * config.gcc (powerpc-*-gnu-gnualtivec*,
18353 powerpc-*-gnu*, powerpc64-*-gnu*): New configurations.
18354 * config/rs6000/gnu.h: New file.
18355 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS):
18356 Grok "gnu" in rs6000_abi_name.
18357 (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC,
18358 CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC):
18359 Grok -mcall-gnu analogous to -mcall-linux et al.
18360 (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
18361 LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): New macros.
18362 (SUBTARGET_EXTRA_SPECS): Add *_os_gnu specs using them.
18363
18364 2002-02-17 Jakub Jelinek <jakub@redhat.com>
18365
18366 PR c/3444:
18367 * c-typeck.c (build_binary_op) [BIT_XOR_EXPR]: Remove explicit
18368 shortening.
18369
18370 2002-02-17 Philipp Thomas <pthomas@suse.de>
18371
18372 * config/cris/cris.h: Undefine STARTFILE_SPEC and
18373 ENDFILE_SPEC before (re)defining them.
18374
18375 2002-02-17 Kazu Hirata <kazu@hxi.com>
18376
18377 * config/h8300/h8300.c: Fix formatting.
18378 * config/h8300/h8300.h: Likewise.
18379
18380 2002-02-17 Philipp Thomas <pthomas@suse.de>
18381
18382 * doc/tm.texi: Explain why empty strings should not be
18383 marked for translation.
18384
18385 2002-02-17 Philipp Thomas <pthomas@suse.de>
18386
18387 * final.c (output_operand_lossage): Changed to accept
18388 printf style arguments. Change calls where necessary.
18389 * output.h (output_operand_lossage): Change declaration
18390 accordingly. Update copyright.
18391 * config/arc/arc.c config/fr30/fr30.c config/m32r/m32r.c
18392 config/m88k/m88k.c : Adapt all calls to output_operand_lossage.
18393 Update copyright date where necessary.
18394
18395 * config/i386/i386.c (print_operand): Likewise. Remove use of
18396 sprintf.
18397
18398 * config/cris/cris.c (cris_operand_lossage): Likewise.
18399 Rename parameter so that exgettext recognizes it as
18400 translatable message.
18401 (LOSE_AND_RETURN): Rename parameter to msgid.
18402
18403 2002-02-17 Kazu Hirata <kazu@hxi.com>
18404
18405 * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Replace a
18406 hard coded register number with an appropriate macro.
18407 (HARD_REGNO_MODE_OK): Likewise.
18408 (ARG_POINTER_REGNUM): Likewise.
18409 (STATIC_CHAIN_REGNUM): Likewise.
18410 (RETURN_ADDRESS_POINTER_REGNUM): Likewise.
18411 * config/h8300/h8300.md (define_constants): Define more
18412 register numbers.
18413
18414 2002-02-17 Philipp Thomas <pthomas@suse.de>
18415
18416 * config/i386/i386.h: Don't mark empty strings for translation.
18417
18418 2002-02-16 H.J. Lu <hjl@gnu.org>
18419
18420 * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
18421
18422 2002-02-16 Zack Weinberg <zack@codesourcery.com>
18423
18424 * cppinit.c (merge_include_chains): Check for brack being
18425 NULL before attempting to merge it with qtail.
18426
18427 2002-02-16 Andrew Cagney <ac131313@redhat.com>
18428
18429 * config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to
18430 DBX_DEBUG.
18431
18432 2002-02-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
18433
18434 * pa/t-pa, pa/t-pro, som.h: Revert last patch.
18435
18436 2002-02-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
18437
18438 * pa/t-pa (LIB2FUNCS_EXTRA): Don't build lib2funcs.asm.
18439 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.
18440 * som.h (DO_GLOBAL_DTORS_BODY): Delete define.
18441
18442 Sat Feb 16 13:48:50 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18443
18444 * config/alpha/alpha.md (*movsi_nt_vms_nofix): Was *movsi_nt_vms;
18445 now only if !TARGET_FIX.
18446 (*movsi_nt_vms_fix): New pattern.
18447
18448 2002-02-16 Douglas B Rupp <rupp@gnat.com>
18449
18450 * config/alpha/alpha.c: Implement null frame procedure types on VMS.
18451 (alpha_procedure_type): Replaces alpha_is_stack_procedure.
18452 (alpha_sa_mask, alpha_sa_size): Reflect above change.
18453 (alpha_pv_save_size, alpha_expand_prologue): Likewise.
18454 (alpha_start_function, alpha_expand_epilogue): Likewise.
18455 (unicosmk_gen_dsib): Likewise.
18456
18457 Sat Feb 16 13:39:09 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18458
18459 * expr.c (store_constructor): Handle target REG case for ARRAY_TYPE.
18460
18461 2002-02-16 Ulrich Weigand <uweigand@de.ibm.com>
18462
18463 * config/s390/s390.c (pool_stop_uid, other_chunk, far_away,
18464 check_and_change_labels, s390_final_chunkify): Delete.
18465 (s390_split_branches, s390_chunkify_pool): New functions.
18466 (s390_function_prologue): Call them.
18467
18468 * config/s390/s390.h (S390_REL_MAX): Delete.
18469 (S390_CHUNK_MAX, S390_CHUNK_OV): Adjust values.
18470
18471 * config/s390/s390.md (cjump, icjump, jump): Fix length
18472 attribute calculation.
18473
18474
18475 2002-02-15 David Edelsohn <edelsohn@gnu.org>
18476
18477 * config/rs6000/linux64.h (STRIP_NAME_ENCODING): Delete.
18478 * config/rs6000/ppc-asm.h (JUMP_TARGET): Define for powerpc64.
18479
18480 2002-02-15 John David Anglin <dave@hiauly1.hia.nrc.ca>
18481
18482 * gcc.c (init_gcc_specs): Revert patch from 2002-02-15.
18483 * config/pa/pa-linux.h (LIB_SPEC): Likewise.
18484 * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Likewise.
18485
18486 2002-02-15 Richard Sandiford <rsandifo@redhat.com>
18487
18488 * c-decl.c (grokdeclarator): Prevent a segfault on unnamed decls.
18489
18490 2002-02-15 Richard Sandiford <rsandifo@redhat.com>
18491
18492 * reload.c (find_dummy_reload): Check that an output register
18493 is valid for its mode.
18494
18495 2002-02-14 Alexandre Oliva <aoliva@redhat.com>
18496
18497 * combine.c (known_cond): After replacing the REG of a SUBREG, try
18498 to simplify it.
18499
18500 * function.c (assign_parms): Demote promoted argument passed by
18501 transparent reference.
18502
18503 2001-02-14 Joel Sherrill <joel@OARcorp.com>
18504
18505 * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant
18506 -Acpu() and -Amachine() to eliminate warnings.
18507
18508 2002-02-14 Ulrich Weigand <uweigand@de.ibm.com>
18509
18510 * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New.
18511
18512 2002-02-14 Kazu Hirata <kazu@hxi.com>
18513
18514 * config/h8300/h8300-protos.h: Update the prototype for
18515 const_costs.
18516 * config/h8300/h8300.c (const_costs): Treat SET as a little
18517 more expensive operation.
18518 * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
18519 reference to const_costs.
18520
18521 2002-02-14 Hans-Peter Nilsson <hp@axis.com>
18522
18523 * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.
18524
18525 2002-02-14 Jakub Jelinek <jakub@redhat.com>
18526
18527 PR c/5503:
18528 * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL,
18529 use arguments from newtype.
18530
18531 2002-02-13 Eric Christopher <echristo@redhat.com>
18532
18533 * config/mips/mips.c (override_options): Add check for march/mipsX
18534 on the same command line. Fix error message in cpu processing.
18535 Remove architecture and ISA checks.
18536
18537 2002-02-14 Aldy Hernandez <aldyh@redhat.com>
18538
18539 * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors.
18540
18541 * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX.
18542
18543 2002-02-14 Aldy Hernandez <aldyh@redhat.com>
18544
18545 * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r
18546 alternatives.
18547 ("*movv8hi_internal1"): Same.
18548 ("*movv16qi_internal1"): Same.
18549 ("*movv4sf_internal1"): Same.
18550
18551 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
18552 not push_reload for altivec modes.
18553
18554 2002-02-13 Joel Sherrill <joel@OARcorp.com>
18555
18556 * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across
18557 all RTEMS targets including removal of #includes from config/*/rtems*.h
18558 file and adding them to tm_file setting. Added xm_defines=POSIX to
18559 many targets.
18560 * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto.
18561 * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto.
18562 * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto.
18563 * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto.
18564 * config.gcc (m68k-*-rtems*), config/m68k/rtems.h,
18565 config/m68k/rtemself.h: Ditto.
18566 * config.gcc (mips*-*-rtems*), config/mips/rtems.h,
18567 config/mips/rtems64.h: Ditto.
18568 * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto.
18569 * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h:
18570 Ditto.
18571 * config.gcc (sparc-*-rtems*), config/sparc/rtems.h,
18572 config/sparc/rtemself.h: Ditto.
18573 * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto.
18574 * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved
18575 arm-rtems stanza closer to other arm-elf targets and made arm-rtems
18576 more like arm-elf.
18577 * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h,
18578 config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself
18579 target made more similar to i386-elf.
18580 * config/i386/t-rtems-i386: Added soft float support and multilibs.
18581 * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to
18582 be similar to config/m68k/t-m68kelf.
18583 * gthr-rtems.h: Encapsulate with extern "C" for C++.
18584
18585 Wed Feb 13 23:41:15 CET 2002 Jan Hubicka <jh@suse.cz>
18586
18587 * regmove.c (kill_value): Handle subregs.
18588
18589 Wed Feb 13 23:34:30 CET 2002 Jan Hubicka <jh@suse.cz>
18590
18591 * i386.md (mul patterns): Allow memory operand to be first;
18592 add expanders where needed; fix constraints.
18593 (min?f_nonieee, max?f_nonieee, SSE TImode patterns):
18594 Allow memory operand to be the first.
18595
18596 * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping
18597 operands.
18598
18599 2002-02-13 Jakub Jelinek <jakub@redhat.com>
18600
18601 PR c/5681:
18602 * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of
18603 GET_MODE (x).
18604
18605 2002-02-13 Jakub Jelinek <jakub@redhat.com>
18606
18607 PR optimization/5547:
18608 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify
18609 all valid IA-32 address modes involving non-scaled %ebx and
18610 GOT/GOTOFF as displacement.
18611
18612 2002-02-13 Ulrich Weigand <uweigand@de.ibm.com>
18613
18614 * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches
18615 after emitting ltorg insns.
18616
18617 * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0,
18618 *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3,
18619 *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2,
18620 *abssf2): Fix "op_type" attribute.
18621
18622 2002-02-13 Douglas B Rupp <rupp@gnat.com>
18623
18624 * mkconfig.sh: Avoid using a subshell redirect.
18625 ($output.T): Change to $(output)T.
18626 (ENABLE_NLS): Remove unneeded undef.
18627
18628 * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
18629 * config/alpha/x-vms (libsubdir): Define.
18630
18631 * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle
18632 register frame procedures. Optimize retrieving context.
18633
18634 * config/alpha/t-vms (MULTILIB_OPTIONS): Define.
18635 (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise.
18636 * config/alpha/vms.h (ASM_FILE_START): Write .arch directive.
18637
18638 Wed Feb 13 09:45:08 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18639
18640 * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
18641 Make same change as for find_base_value.
18642
18643 2002-02-13 Kazu Hirata <kazu@hxi.com>
18644
18645 * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination
18646 of QImode and SImode.
18647
18648 2002-02-13 Kazu Hirata <kazu@hxi.com>
18649
18650 * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the
18651 length computation of movsi.
18652 * config/h8300/h8300.md (movsi_h8300hs): Correct the length.
18653
18654 2002-02-13 Kazu Hirata <kazu@hxi.com>
18655
18656 * config/h8300/h8300.md (subqi3): Tighten the predicate for
18657 operands[2] to register_operand.
18658
18659 Wed Feb 13 10:35:56 CET 2002 Jan Hubicka <jh@suse.cz>
18660
18661 * i386.md (fop_*_comm_*): allow nonimmediate in the first operand.
18662
18663 2002-02-12 Aldy Hernandez <aldyh@redhat.com>
18664
18665 * config/rs6000/rs6000.md: Use predicate altivec_register_operand
18666 for altivec_lvx* and altivec_stvx*.
18667 ("*movv4si_internal"): Add constraint for loading from GPRs.
18668 ("*movv8hi_internal1"): Same.
18669 ("*movv16qi_internal1"): Same.
18670 ("*movv4sf_internal1"): Same.
18671
18672 * config/rs6000/rs6000.c (altivec_register_operand): New.
18673
18674 * config/rs6000/rs6000.h (PREDICATE_CODES): Add
18675 altivec_register_operand.
18676
18677 2002-02-13 Hans-Peter Nilsson <hp@bitrange.com>
18678
18679 * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't
18680 handle SYMBOL_REF.
18681
18682 2002-02-13 Stan Shebs <shebs@apple.com>
18683
18684 * c-typeck.c (digest_init): Handle vectors.
18685 (really_start_incremental_init): Same.
18686 (pop_init_level): Same.
18687 (process_init_element): Same.
18688
18689 * varasm.c (output_constant): Same.
18690
18691 * expr.c (clear_storage): Same.
18692 (store_constructor): Same.
18693
18694 2002-02-12 Eric Christopher <echristo@redhat.com>
18695
18696 * explow.c (hard_function_value): Add comment explaining
18697 signed/unsigned comparison.
18698
18699 2002-02-12 Jakub Jelinek <jakub@redhat.com>
18700
18701 * jump.c (never_reached_warning): Add finish argument.
18702 If finish is NULL, stop on CODE_LABEL, otherwise stop before first
18703 real insn after end.
18704 * rtl.h (never_reached_warning): Adjust prototype.
18705 * cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
18706 * cfgrtl.c (flow_delete_block): Pass b->end as finish to
18707 never_reached_warning.
18708
18709 2002-02-12 Graham Stott <grahams@redhat.com>
18710
18711 * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos.
18712
18713 2002-02-12 Kazu Hirata <kazu@hxi.com>
18714
18715 * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit
18716 logical shifts on H8/300.
18717 (shift_alg_si): Improve several shifts on H8/300.
18718 (get_shift_alg): Likewise.
18719
18720 2002-02-12 Graham Stott <grahams@redhat.com>
18721
18722 * config/pa/pa.c (compute_movstrsi_length): Fix typos.
18723
18724 Tue Feb 12 10:12:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18725
18726 * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
18727 Handle #ifdef POINTERS_EXTEND_UNSIGNED.
18728
18729 2002-02-11 Hans-Peter Nilsson <hp@bitrange.com>
18730
18731 * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle
18732 non-CONST_INT through default_assemble_integer.
18733 <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF.
18734 <case 8>: Abort for CONST_DOUBLE.
18735
18736 2002-02-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
18737
18738 * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared"
18739 is specified.
18740 * config/pa/pa-linux.h (LIB_SPEC): Delete.
18741 * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete.
18742
18743 2002-02-11 Andrew Haley <aph@cambridge.redhat.com>
18744
18745 * config/stormy16/stormy16.md (zero_extendqihi2): New.
18746
18747 2002-02-11 Alexandre Oliva <aoliva@redhat.com>
18748
18749 * regrename.c (regrename_optimize): Don't accept a
18750 part-clobbered register if the replaced register is not part
18751 clobbered.
18752
18753 * calls.c (store_one_arg): In the non-BLKmode non-partial case,
18754 take padding into account when computing the argument value.
18755
18756 * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error.
18757
18758 * combine.c (try_combine): Apply substitutions in
18759 CALL_INSN_FUNCTION_USAGE too.
18760
18761 2002-02-11 Aldy Hernandez <aldyh@redhat.com>
18762
18763 * config/rs6000/rs6000.c (altivec_init_builtins): Handle
18764 __builtin_altivec_abs*.
18765 (bdesc_abs): New.
18766
18767 * config/rs6000/rs6000.h (rs6000_builtins): Add
18768 ALTIVEC_BUILTIN_ABS*.
18769
18770 * config/rs6000/altivec.h: Use const char for builtins expecting
18771 literals.
18772 (vec_abs): New versions for C and C++.
18773 (vec_abss): Same.
18774
18775 2002-02-10 Kazu Hirata <kazu@hxi.com>
18776
18777 * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by
18778 using Pmode.
18779
18780 2002-02-10 Kazu Hirata <kazu@hxi.com>
18781
18782 * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the
18783 constant definition from h8300.md.
18784 (FRAME_POINTER_REGNUM): Likewise.
18785 * config/h8300/h8300.md (define_constants): Add FP_REG.
18786
18787 2002-02-10 Kazu Hirata <kazu@hxi.com>
18788
18789 * config/h8300/h8300.c (print_operand): Remove redundant code.
18790
18791 2002-02-10 Kazu Hirata <kazu@hxi.com>
18792
18793 * config/h8300/h8300-protos.h: Remove the prototype for byte_reg.
18794 * config/h8300/h8300.c (byte_reg): Make it static.
18795
18796 2002-02-10 Richard Henderson <rth@redhat.com>
18797
18798 PR c/5623
18799 * c-typeck.c (incomplete_type_error): Handle flexible array members.
18800
18801 2002-02-10 Richard Henderson <rth@redhat.com>
18802
18803 PR c++/5624
18804 * tree.c (append_random_chars): Don't abort if main_input_filename
18805 does not exist.
18806
18807 2002-02-10 Hans-Peter Nilsson <hp@bitrange.com>
18808
18809 * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable.
18810
18811 2002-02-10 Kazu Hirata <kazu@hxi.com>
18812
18813 * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used.
18814 (pushhi1): Likewise.
18815
18816 2002-02-10 John David Anglin <dave@hiauly1.hia.nrc.ca>
18817
18818 * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand.
18819 * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand.
18820
18821 2002-02-09 David O'Brien <obrien@FreeBSD.org>
18822
18823 * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and
18824 remove MASK_VIS.
18825 (ASM_CPU_DEFAULT_SPEC): Remove. Default setting is fine.
18826
18827 2002-02-09 Kazu Hirata <kazu@hxi.com>
18828
18829 * config/h8300/h8300.c (output_logical_op): Use sub.w to clear
18830 a half of an SImode register on H8/300.
18831
18832 Sat Feb 9 18:28:02 CET 2002 Jan Hubicka <jh@suse.cz>
18833
18834 * i386.md (movdi_2): Add missing '!'.
18835
18836 2002-02-09 Kazu Hirata <kazu@hxi.com>
18837
18838 * config/h8300/h8300.h: Fix formatting. Remove commented-out
18839 definitions.
18840
18841 2002-02-09 Kazu Hirata <kazu@hxi.com>
18842
18843 * config/h8300/h8300.md (length): Correct the distance valid
18844 for the short branch.
18845
18846 2002-02-09 Kazu Hirata <kazu@hxi.com>
18847
18848 * config/h8300/h8300.md (iorhi3): Tighten the predicates.
18849
18850 2002-02-09 Alexandre Oliva <aoliva@redhat.com>
18851
18852 * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered
18853 registers in SImode.
18854 (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as
18855 part-clobbered.
18856
18857 * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's
18858 patch.
18859
18860 Contribute sh64-elf.
18861 2002-02-09 Alexandre Oliva <aoliva@redhat.com>
18862 * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
18863 (sh_cannot_modify_jumps_p): New function.
18864 2002-02-05 Alexandre Oliva <aoliva@redhat.com>
18865 * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
18866 (sh_ms_bitfield_layout_p): New function.
18867 2002-02-04 Alexandre Oliva <aoliva@redhat.com>
18868 Zack Weinberg <zack@codesourcery.com>
18869 * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
18870 expand_simple_binop instead of expand_binop.
18871 2002-02-03 Alexandre Oliva <aoliva@redhat.com>
18872 * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
18873 use of .quad and .uaquad.
18874 * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
18875 TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
18876 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
18877 * config/sh/sh.md (movdi_const, movdi_const_32bit,
18878 movdi_const_16bit): Make sure all CONSTs have modes.
18879 (sym2PIC): Ditto, but by adjusting all callers.
18880 * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
18881 if the prologue calls the SHmedia argument decoder or register
18882 saver.
18883 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
18884 * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
18885 (TARGET_ASM_ALIGNED_DI_OP): Likewise.
18886 (sh_expand_epilogue): Don't emit USE of return target register.
18887 (prepare_move_operands): Legitimize DImode PIC addresses.
18888 (sh_media_register_for_return): Skip tr0, used to initialize the
18889 PIC register.
18890 (sh_expand_prologue): Remove explicit USE of return register.
18891 (nonpic_symbol_mentioned_p): PC is non-PIC. Don't recurse in
18892 CONST_DOUBLEs. UNSPEC_GOTPLT is PIC.
18893 * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
18894 (OVERRIDE_OPTIONS): Don't disable PIC on SH5.
18895 (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
18896 EXTRA_CONSTRAINT_T.
18897 (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
18898 (MOVI_SHORI_BASE_OPERAND_P): New.
18899 (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
18900 (EXTRA_CONSTRAINT_T): Define in terms of them.
18901 (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
18902 * config/sh/sh.md (movsi_media, movsi_media_nofpu,
18903 movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
18904 alternatives supporting TARGET_REGS.
18905 (UNSPEC_GOTPLT): New constant.
18906 (movdi split): Move incrementing of LABEL_NUSES...
18907 (movdi_const, movdi_const_32bit): Here. Use
18908 MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
18909 (movdi_const_16bit): New.
18910 (call, call_value) [flag_pic]: Use GOTPLT.
18911 (call_pop, call_value_pop): New expands.
18912 (call_pop_compact, call_pop_rettramp): New insns.
18913 (call_value_pop_compact, call_value_pop_rettramp): New insns.
18914 (sibcall) [flag_pic]: Use GOT.
18915 (builtint_setjmp_receiver): Remove bogus, unused expand.
18916 (GOTaddr2picreg): Implement for SHcompact and SHmedia.
18917 (*pt, *ptb, ptrel): New insns.
18918 (sym2GOT): Handle DImode GOT.
18919 (sym2GOTPLT, symGOTPLT2reg): New expands.
18920 (sym2PIC): New expand.
18921 (shcompact_return_tramp): Use GOTPLT to return trampoline.
18922 (shcompact_return_tramp_i): Use return register explicitly.
18923 * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
18924 disable flag_reorder_blocks.
18925 2002-01-19 Alexandre Oliva <aoliva@redhat.com>
18926 * config/sh/sh.md (sibcall_compact): Reorder return, uses and
18927 clobbers, for clarity.
18928 (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
18929 restoring of r0 in macl as MAYBE_DEAD.
18930 2002-01-18 Alexandre Oliva <aoliva@redhat.com>
18931 * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
18932 * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
18933 alter_subreg all over.
18934 (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
18935 reload, instead of emitting instructions that would require
18936 reloading.
18937 (casesi_load_media): Add missing modes.
18938 2001-11-09 Alexandre Oliva <aoliva@redhat.com>
18939 * config/sh/sh.c (sh_expand_prologue): Mark the PIC register
18940 as used if the argument decoder is called.
18941 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
18942 * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
18943 Pmode, then extend it to DImode if necessary.
18944 2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
18945 * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
18946 constants in FPU-enabled SHmedia, let them be loaded from memory.
18947 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
18948 * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
18949 Adjust whitespace in assembly output templates.
18950 2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
18951 * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
18952 mode of if_then_else.
18953 2001-08-04 Alexandre Oliva <aoliva@redhat.com>
18954 * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
18955 sh.h.
18956 2001-07-26 Andrew Haley <aph@cambridge.redhat.com>
18957 Joern Rennecke <amylaar@redhat.com>
18958 * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
18959 (SUBTARGET_CPP_PTR_SPEC): New.
18960 (SUBTARGET_CPP_SPEC): Remove.
18961 2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
18962 * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
18963 Fix typo in previous checkin.
18964 2001-07-11 Chandrakala Chavva <cchavva@redhat.com>
18965 * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
18966 2001-07-10 Chandrakala Chavva <cchavva@cygnus.com>
18967 Alexandre Oliva <aoliva@redhat.com>
18968 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
18969 what single FP register can hold for SHmedia target.
18970 2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
18971 Alexandre Oliva <aoliva@redhat.com>
18972 * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
18973 Do not split into SUBREG.
18974 2001-06-14 Alexandre Oliva <aoliva@redhat.com>
18975 * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
18976 and added new functions as specified in SH5 ABI r9.
18977 2001-06-04 Alexandre Oliva <aoliva@redhat.com>
18978 * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
18979 8-byte boundary.
18980 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
18981 * config/sh/sh.c (dump_table): Add const0_rtx in calls of
18982 gen_consttable_4 and gen_consttable_8. Emit multiple labels
18983 and consttable_window_ends.
18984 2001-06-03 Graham Stott <grahams@redhat,com>
18985 * config/sh/sh.md (movdi split): Remove unused variable last_insn.
18986 2001-05-16 Alexandre Oliva <aoliva@redhat.com>
18987 * config/sh/sh.c (print_operand): Handle floating-point pair,
18988 vector and matrix registers.
18989 * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
18990 vector modes into account.
18991 * config/sh/sh.md (movv2sf): Split move between registers into
18992 movdf.
18993 (movv4sf, movv16sf): Introduce insns that get split only after
18994 reload.
18995 * config/sh/shmedia.h: Fix Copyright dates.
18996 * config/sh/ushmedia.h: Likewise. Move loop counter
18997 declarations into conditionals that uses them.
18998 (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
18999 loop boundary.
19000 * config/sh/sshmedia.h: Fix Copyright dates.
19001 (sh_media_PUTCFG): Fix constraints.
19002 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
19003 * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
19004 ptrmemfunc_vbit_in_delta for SH5.
19005 2001-05-08 Alexandre Oliva <aoliva@redhat.com>
19006 * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
19007 * invoke.texi: Likewise.
19008 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
19009 * config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
19010 GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
19011 GCC_pop_shmedia_regs_nofpu): New global symbols.
19012 * config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
19013 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
19014 * config/sh/sh.c (calc_live_regs): Account for PR's saving in
19015 compact function with nonlocal labels.
19016 (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
19017 (sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
19018 (initial_elimination_offset): Account for their stack space.
19019 * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
19020 * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
19021 movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
19022 movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
19023 least one of the operands to be a register.
19024 (movv2sf): Likewise. Renamed to movv2sf_i.
19025 (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
19026 prepare_move_operands() before emitting SHmedia insns.
19027 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
19028 * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
19029 Don't save nor initialize r12. Don't mis-align the stack.
19030 Pad the code with a nop.
19031 * config/sh/crti.asm: Don't restore r12. Don't mis-align the
19032 stack.
19033 2001-03-13 Alexandre Oliva <aoliva@redhat.com>
19034 * gcc/longlong.h (__umulsidi3, count_leading_zeros)
19035 [__SHMEDIA__]: Implement.
19036 2001-03-11 Alexandre Oliva <aoliva@redhat.com>
19037 * config/sh/sh.md: Set latency of `pt' closer to reality.
19038 (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
19039 movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
19040 Set move, load and store type attributes.
19041 * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
19042 * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
19043 profiling.
19044 * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
19045 * config/sh/sh-protos.h (sh_media_register_for_return): Declare.
19046 * config/sh/sh.c (sh_media_register_for_return): New function.
19047 (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
19048 branch-target register.
19049 (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
19050 * config/sh/sh.md (return_media_i): Use any call-clobbered
19051 branch-target register.
19052 (return_media): If r18 wasn't copied in the prologue, copy it
19053 here.
19054 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
19055 Clear class FP0_REGS.
19056 * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
19057 from elf.h.
19058 2001-03-08 DJ Delorie <dj@redhat.com>
19059 * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
19060 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
19061 * config/sh/sh.md (sibcall_compact): Set fp_mode to single.
19062 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
19063 * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
19064 2001-02-03 Alexandre Oliva <aoliva@redhat.com>
19065 * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
19066 return value correctly for call_cookie.
19067 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
19068 * config/sh/crt1.asm (start): Modified so as to call
19069 ___setup_argv_and_call_main.
19070 2001-01-26 Alexandre Oliva <aoliva@redhat.com>
19071 * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
19072 SHmedia mode.
19073 2001-01-20 Alexandre Oliva <aoliva@redhat.com>
19074 * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
19075 (STRIP_NAME_ENCODING): Use it.
19076 (ASM_OUTPUT_LABELREF): Likewise. Don't call assemble_name().
19077 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
19078 * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
19079 prepare_scc_operands().
19080 * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
19081 (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
19082 2001-01-17 Alexandre Oliva <aoliva@redhat.com>
19083 * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
19084 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
19085 * config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
19086 * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
19087 used in shcompact_incoming_args.
19088 * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
19089 change.
19090 * config/sh/crt1.asm (start) [SH5]: Switch to single-precision
19091 mode.
19092 * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
19093 Adjust accordingly.
19094 * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
19095 Simplify. Adjust. Add sanity check.
19096 * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
19097 FPU_SINGLE_BIT.
19098 * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
19099 TARGET_SHCOMPACT.
19100 (udivsi3, divsi3): Use them.
19101 (force_mode_for_call): New insn.
19102 (call, call_value, sibcall_value): Emit it before SHcompact
19103 calls.
19104 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
19105 * config/sh/sh.md (call, call_value, sibcall): Make sure the
19106 call cookie is non-NULL before taking its value.
19107 2001-01-10 Alexandre Oliva <aoliva@redhat.com>
19108 * config.gcc (sh64): Set target_requires_64bit_host_wide_int.
19109 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
19110 * config/sh/sh.md (shcompact_incoming_args): Set argument memory
19111 block.
19112 * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
19113 * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
19114 temporary for stack adjusts. Use MACL and MACH to pass
19115 arguments to shcompact_incoming_args.
19116 * config/sh/sh.md (shcompact_incoming_args): Adjust. Don't
19117 clobber r1.
19118 * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
19119 (nested_trampoline): Load static chain address into r1.
19120 * config/sh/sh.md (movdi_media splits): Fix sign-extension.
19121 2001-01-07 Alexandre Oliva <aoliva@redhat.com
19122 * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
19123 fp_arith_reg_operand().
19124 2001-01-06 Alexandre Oliva <aoliva@redhat.com>
19125 * config/sh/sh.md (casesi): Sign-extend the first two operands,
19126 and use signed compares for them.
19127 * config/sh/sh.c (dump_table): Don't emit 8-byte constants after
19128 4-byte ones. Instead, inter-leave them, maintaining the 8-byte
19129 ones properly aligned.
19130 (find_barrier): Account for extra alignment needed for 8-byte wide
19131 constants.
19132 (machine_dependent_reorg): Require a label for the second 4-byte
19133 constant after an 8-byte one.
19134 * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
19135 change.
19136 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
19137 * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
19138 last_float when switching float modes.
19139 * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
19140 auto-increment for general-purpose registers.
19141 * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
19142 result.
19143 * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
19144 for stack adjust.
19145 * config/sh/sh.c (sh_builtin_saveregs): Support using all
19146 registers for varargs.
19147 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
19148 * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
19149 * config/sh/sh.h (CALL_COOKIE_STACKSEQ,
19150 CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
19151 (CALL_COOKIE_INT_REG_SHIFT): Adjust.
19152 (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK. Adjust
19153 call_cookie accordingly.
19154 (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
19155 (SHCOMPACT_BYREF): Likewise.
19156 (SHCOMPACT_FORCE_ON_STACK): New macro.
19157 * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
19158 (sh_builtin_saveregs): Likewise.
19159 * config/sh/lib1funcs.asm (shcompact_call_trampoline,
19160 shcompact_incoming_args): Use new shift values. Support
19161 sequences of consecutive and non-consecutive pushes/pops.
19162 * config/sh/sh.md (return): Don't explicitly use PR_REG.
19163 2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com>
19164 * config/sh/sh.h (TEXT_SECTION): Define.
19165 * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
19166 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
19167 * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
19168 * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
19169 return values on FPU-enabled SHmedia.
19170 (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
19171 FPU-enabled SHmedia.
19172 (INIT_CUMULATIVE_ARGS): Set up return trampoline only if
19173 value is returned in a non-FP reg and is not returned by
19174 reference.
19175 * config/sh/sh.md (shcompact_return_tramp_i): Change type to
19176 jump_ind.
19177 2000-01-04 Alexandre Oliva <aoliva@redhat.com>
19178 * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
19179 (FUNCTION_ARG_CALLEE_COPIES): Require argument to be
19180 quad-aligned to be passed by callee-copy reference.
19181 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
19182 * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
19183 * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
19184 2001-01-02 Alexandre Oliva <aoliva@redhat.com>
19185 * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
19186 copying low-numbered FP regs to r7 and r8.
19187 * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
19188 FP regs to general-purpose regs only if the copy was passed on the
19189 stack.
19190 * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
19191 copying FP reg to r9.
19192 * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
19193 copy FP regs to general-purpose regs only in outgoing calls.
19194 * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
19195 change from 2000-10-30. Adjust for 64-bit (or 32-bit)
19196 HOST_WIDE_INT.
19197 * config/sh/sh.h (struct sh_args): Document all fields.
19198 (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
19199 passed partially on the stack should not consider making
19200 sibcalls.
19201 * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
19202 stack_regs only for incoming calls. When passing FP args,
19203 make sure there are FP regs available before modifying
19204 call_cookie.
19205 (SHCOMPACT_BYREF): Pass double args in general-purpose
19206 registers by reference.
19207 2000-12-30 Alexandre Oliva <aoliva@redhat.com>
19208 * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
19209 attempt to generate sibcalls if the caller got any arguments
19210 by reference.
19211 * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
19212 * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
19213 to 8-byte boundaries.
19214 * config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
19215 * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
19216 * config/sh/sh.c (sh_expand_prologue): Preserve args that will be
19217 stored in the stack.
19218 * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
19219 for the offsets to have the ISA bit set.
19220 (shcompact_call_trampoline): Document. Swap r0 and r1, to match
19221 invocation. Use beq instead of bgt to mark end of sequence of
19222 loads.
19223 (shcompact_incoming_args): Fix store of r2. Use beq instead of
19224 bgt to mark end of sequence of stores.
19225 * config/sh/sh.c (arith_operand): Don't check whether
19226 CONST_OK_FOR_J for now.
19227 * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
19228 instead of long for conversion.
19229 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
19230 * config/sh/sh.c (print_operand_address): Convert INTVAL to int
19231 before passing it to fprintf.
19232 2000-12-28 Alexandre Oliva <aoliva@redhat.com>
19233 * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
19234 Call set_fpscr before reading/writing SR.
19235 * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
19236 Call set_fpscr.
19237 * config/sh/lib1funcs.asm: Add `.align 2' directives before
19238 SHmedia code.
19239 (FMOVD_WORKS): Define on SH5 with FPU.
19240 (set_fpscr): Define on SH5. Remove separate _fpscr_values
19241 setting.
19242 * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
19243 _fpscr_values.
19244 2000-12-28 Hans-Peter Nilsson <hpn@cygnus.com>
19245 * config/sh/lib1funcs.asm (ct_main_table): Align contents to even
19246 address.
19247 (ia_main_table): Ditto.
19248 2000-12-27 Alexandre Oliva <aoliva@redhat.com>
19249 * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
19250 * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
19251 the definitions from sh.h.
19252 * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
19253 TARGET_SH5.
19254 (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
19255 * config/sh/elf.h (PTRDIFF_TYPE): Likewise.
19256 * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
19257 2000-12-26 Alexandre Oliva <aoliva@redhat.com>
19258 * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
19259 Increment LABEL_NUSES.
19260
19261 * config/sh/sh.h (SIZE_TYPE): Define as conditional on
19262 TARGET_SH5.
19263 (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always
19264 defined.
19265 * config/sh/elf.h (SIZE_TYPE): Likewise.
19266 * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
19267 * config/sh/lib1funcs.asm (shcompact_call_trampoline,
19268 shcompact_incoming_args): Load switch table addresses using
19269 datalabel.
19270 * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
19271 (NO_BUILTIN_SIZE_TYPE): Define.
19272 (SIZE_TYPE): Don't define.
19273 * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
19274 * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the
19275 definition of __SH5__=32 for -m5-compact-nofpu.
19276 * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after
19277 ADDR_DIFF_VEC.
19278 2000-12-24 Alexandre Oliva <aoliva@redhat.com>
19279 * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed.
19280 2000-12-23 Alexandre Oliva <aoliva@redhat.com>
19281 * config/sh/sh.h (TARGET_CACHE32): Enable on SH5.
19282 (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia.
19283 (INSN_LENGTH_ALIGNMENT): Likewise.
19284 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
19285 * config/sh/sh.md (call, call_value, sibcall): Simplify
19286 copying of non-branch-target register.
19287 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
19288 * glimits.h (__LONG_MAX__): Revert 2000-12-13's patch.
19289 * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia.
19290 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
19291 * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex
19292 floating-point values as structs.
19293 (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG.
19294 (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before
19295 general-purpose register.
19296 (SH5_PROTOTYPED_FLOAT_ARG): New macro.
19297 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
19298 * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia.
19299 * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too.
19300 * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST.
19301 (ENCODE_SECTION_INFO): Enclose variables and constants in
19302 DATALABEL unspecs.
19303 (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define.
19304 (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off.
19305 (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define.
19306 * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL
19307 only for LABEL_REFs. For SYMBOL_REFs, prepend
19308 SH_DATALABEL_ENCODING to the symbol name.
19309 * config/sh/sh.md (indirect_jump): Use SUBREG instead of
19310 convert_mode().
19311 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
19312 * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in
19313 UNSPEC_DATALABEL.
19314 * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs.
19315 * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise.
19316 (DATALABEL_REF_P): Don't require CONST.
19317 (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before
19318 REL label.
19319 2000-12-19 Alexandre Oliva <aoliva@redhat.com>
19320 * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift
19321 right.
19322 2000-12-18 Alexandre Oliva <aoliva@redhat.com>
19323 * config/sh/sh.md (movsi_media, call, call_value, sibcall):
19324 Use shallow_copy_rtx and PUT_MODE to change the mode of
19325 SYMBOL_REFs, LABEL_REFs, CONSTs, etc.
19326 * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs
19327 on SHmedia using GENERAL_REGs.
19328 * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
19329 bltu_media_i): Fix reversion of conditions.
19330 2000-12-18 Alexandre Oliva <aoliva@redhat.com>
19331 * config/sh/sh.md (zero_extendhidi2): Use logical shift right.
19332 * config/sh/sh.c (output_far_jump): Save r13 in macl.
19333 2000-12-17 Alexandre Oliva <aoliva@redhat.com>
19334 * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC.
19335 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
19336 * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5.
19337 (GCC_nested_trampoline): Likewise.
19338 * config/sh/sh-protos.h (gen_datalabel_ref): Declare.
19339 * config/sh/sh.c (gen_datalabel_ref): Define.
19340 * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5.
19341 (INITIALIZE_TRAMPOLINE): Likewise.
19342 (TRAMPOLINE_ADJUST_ADDRESS): Define.
19343 (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define.
19344 (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs.
19345 (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs.
19346 * config/sh/sh.md (UNSPEC_DATALABEL): New constant.
19347 (ic_invalidate): Adjust for SH5.
19348 (ic_invalidate_line_media, ic_invalidate_line_compact): New insns.
19349 * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and
19350 _nested_trampoline.
19351 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
19352 * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere.
19353 (MOVE_MAX_PIECES): Set to 8 on SHmedia too.
19354 2000-12-14 Alexandre Oliva <aoliva@redhat.com>
19355 * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb.
19356 * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise.
19357 2000-12-14 Alexandre Oliva <aoliva@redhat.com>
19358 * config/sh/sh.c (target_reg_operand): Match only target-branch
19359 registers and pseudos that aren't virtual registers.
19360 * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
19361 Copy operands that don't match target_reg_operand to pseudos.
19362 (call_media, call_value_media, sibcall_media): Use
19363 target_reg_operand instead of target_operand.
19364 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
19365 * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits.
19366 * config/sh/sh.c (target_reg_operand): Match hardware registers
19367 other than branch-target registers.
19368 * config/sh/sh.md (zero_extendqidi2): Input operand is %1.
19369 * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global.
19370 (fpscr_values) [SH5 == 32]: Define.
19371 * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values.
19372 * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
19373 Handle function addresses coming in SUBREGs.
19374 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
19375 * config/sh/lib1funcs.asm (shcompact_call_trampoline,
19376 shcompact_return_trampoline): Use datalabel where appropriate.
19377 2000-12-09 Alexandre Oliva <aoliva@redhat.com>
19378 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a
19379 general-purpose register to copy one branch-target register to
19380 another.
19381 2000-12-06 Alexandre Oliva <aoliva@redhat.com>
19382 * config/sh/sh.c (target_operand): Accept LABEL_REFs and
19383 SYMBOL_REFs with VOIDmode.
19384 * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
19385 bltu_media_i): New insns.
19386 2000-12-06 Alexandre Oliva <aoliva@redhat.com>
19387 * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI.
19388 (INIT_CUMULATIVE_ARGS): Likewise.
19389 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
19390 * machmode.def (V16SFmode): New mode.
19391 * c-common.c (type_for_mode): Support V2SF and V16SF.
19392 * tree.c (build_common_tree_nodes_2): Likewise.
19393 * tree.h (tree_index): Likewise.
19394 * calls.c (emit_call_1): Take args_so_far. Adjust all
19395 callers. Introduce CALL_POPS_ARGS.
19396 * tm.texi (CALL_POPS_ARGS): Document.
19397 * config/sh/crt1.asm: Implement in SHmedia mode.
19398 * config/sh/crti.asm, config/sh/crtn.asm: Likewise
19399 * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags.
19400 (DBX_REGISTER_NUMBER): Renumber registers for SH5.
19401 * config/sh/lib1funcs.asm: Disable functions unused in SH5.
19402 Implement divsi and udivsi in SHmedia mode. Introduce
19403 SHcompact trampolines.
19404 * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode
19405 only in SHmedia64.
19406 (regno_reg_class): Rewrite.
19407 (fp_reg_names): Remove.
19408 (sh_register_names, sh_additional_register_names): New.
19409 (print_operand): Added `u'. Support SUBREGs in addresses.
19410 Add parentheses around shifted CONSTs.
19411 (output_file_start): Output .mode and .abi directives.
19412 (shiftcosts, addsubcosts, multcosts): Adjust.
19413 (output_stack_adjust): Compute alignment. Sanity-check SIZE.
19414 (push_regs): Take array of HOST_WIDE_INTs. Adjust callers.
19415 (calc_live_regs): Output to array of HOST_WIDE_INTs. Count
19416 bytes, not registers. Take into account the need for the
19417 SHcompact incoming args trampoline. Adjust all callers.
19418 (sh_expand_prologue): Take stack_regs into account. Call
19419 incoming args trampoline. Keep stack aligned as per SH5 ABI.
19420 (sh_expand_epilogue): Take stack_regs into accoutn. Keep
19421 stack aligned as per SH5 ABI.
19422 (sh_builtin_saveregs): Support SH5 ABI.
19423 (sh_build_va_list, sh_va_start): Likewise.
19424 (initial_elimination_offset): Take alignment into account.
19425 Compute location of PR according to the SH5 stack frame.
19426 (arith_reg_operand): Reject branch-target registers.
19427 (shmedia_6bit_operand): New.
19428 (logical_operand): Use CONST_OK_FOR_P on SHmedia.
19429 (target_reg_operand): Match DImode only. Accept SUBREGs.
19430 (target_operand): New.
19431 * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags.
19432 (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI. Initialize
19433 SIBCALL_REGS for SHmedia.
19434 (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too.
19435 (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New.
19436 (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New.
19437 (TARGET_SWITCHES): New SH5 flags.
19438 (OVERRIDE_OPTIONS): Set SH5-specific options. Use
19439 VALID_REGISTER_P to disable unsupported registers.
19440 (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set.
19441 (POINTER_SIZE, PARM_BOUNDARY): Adjust.
19442 (FUNCTION_ARG_PADDING): Define.
19443 (FASTEST_ALIGNMENT): Adjust.
19444 (SH_REGISTER_NAMES_INITIALIZER): New.
19445 (sh_register_names): Declare.
19446 (DEBUG_REGISTER_NAMES): Define.
19447 (REGISTER_NAMES): Define based on sh_register_names.
19448 (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New.
19449 (sh_additional_register_names): Declare.
19450 (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia.
19451 (FIRST_TARGET_REG, LAST_TARGET_REG): Define.
19452 (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define.
19453 (REGISTER_NATURAL_MODE): Define.
19454 (FIRST_PSEUDO_REGISTER): Adjust.
19455 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
19456 (HARD_REGNO_CALL_PART_CLOBBERED): Define.
19457 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust.
19458 (VECTOR_MODE_SUPPORTED_P): Define.
19459 (REG_CLASS_CONTENTS): Adjust.
19460 (SMALL_REGISTER_CLASSES): Adjust.
19461 (REG_ALLOC_ORDER): Adjust.
19462 (INDEX_REG_CLASS): Adjust.
19463 (CONST_OK_FOR_O, CONST_OK_FOR_P): New.
19464 (CONST_OK_FOR_LETTER_P): Adjust.
19465 (PREFERRED_RELOAD_CLASS): Adjust.
19466 (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust.
19467 (SECONDARY_INPUT_RELOAD_CLASS): Adjust.
19468 (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust.
19469 (FIRST_FP_PARM_REG): Adjust.
19470 (CALL_POPS_ARGS): Define.
19471 (FUNCTION_ARG_REGNO_P): Adjust.
19472 (struct sh_args): New fields.
19473 (GET_SH_ARG_CLASS): Adjust.
19474 (INIT_CUMULATIVE_ARGS): Adjust.
19475 (INIT_CUMULATIVE_INCOMING_ARGS): Define.
19476 (FUNCTION_ARG_ADVANCE): Adjust.
19477 (FUNCTION_ARG): Adjust.
19478 (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define.
19479 (FUNCTION_ARG_CALLEE_COPIES): Define.
19480 (SH5_PROTOTYPELESS_FLOAT_ARG): Define.
19481 (STRICT_ARGUMENT_NAMING): Define.
19482 (PRETEND_OUTGOING_VARARGS_NAMED): Adjust.
19483 (FUNCTION_ARG_PARTIAL_NREGS): Adjust.
19484 (SH5_WOULD_BE_PARTIAL_NREGS): Define.
19485 (SETUP_INCOMING_VARARGS): Adjust.
19486 (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust.
19487 (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust.
19488 (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust.
19489 (SUBREG_OK_FOR_INDEX_P): Adjust.
19490 (EXTRA_CONSTRAINT_S): Update.
19491 (EXTRA_CONSTRAINT_T): New.
19492 (EXTRA_CONSTRAINT): Adjust.
19493 (GO_IF_LEGITIMATE_INDEX): Adjust.
19494 (GO_IF_LEGITIMATE_ADDRESS): Adjust.
19495 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust.
19496 (MOVE_MAX): Adjust.
19497 (MAX_MOVE_MAX): Define.
19498 (Pmode): Adjust.
19499 (CONST_COSTS): Adjust.
19500 (REGISTER_MOVE_COST): Adjust.
19501 (BRANCH_COST): Adjust.
19502 (TEXT_SECTION_ASM_OP): Adjust.
19503 (DBX_REGISTER_NUMBER): Adjust.
19504 (ASM_OUTPUT_DOUBLE_INT): New.
19505 (UNALIGNED_DOUBLE_INT_ASM_OP): New.
19506 (PREDICATE_CODES): Adjust.
19507 (PROMOTE_MODE): Adjust.
19508 (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia.
19509 * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber.
19510 (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber.
19511 (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New.
19512 (DR0_REG, DR2_REG, DR4_REG): Renumber.
19513 (TR0_REG, TR1_REG, TR2_REG): New.
19514 (XD0_REG): Renumber.
19515 (UNSPEC_COMPACT_ARGS): New.
19516 (type): Added pt and ptabs.
19517 (length): Default to 4 on SHmedia. Default pt length to 12
19518 and 20 on SHmedia32 and SHmedia64, respectively.
19519 (pt): New function unit.
19520 (movdi, movsi): Add types pt and ptabs. Don't increment LABEL_NUSES.
19521 Add whitespace between operands of SHmedia instructions.
19522 (movdicc): Fix.
19523 (adddi3_media, addsi3_media): Adjust constraints.
19524 (subsi3) [SHmedia]: Force operand 1 into a register.
19525 (udivsi3_i1_media, udivsi3_i4_media): New.
19526 (udivsi3): Support SHmedia.
19527 (divsi3_i1_media, divsi3_i4_media): New.
19528 (divsi3): Support SHmedia.
19529 (anddi3, iordi3, xordi3): Adjust constraints.
19530 (zero_extendhidi2, zero_extendqidi2): New.
19531 (extendsidi2, extendhidi2, extendqidi2): New.
19532 (push, pop, push_e, push_fpul, push_4): Disable on SH5.
19533 (pop_e, pop_fpul, pop_4): Likewise.
19534 (movsi_media): Support FP and BT registers.
19535 (movsi_media_nofpu): New. Adjust splits to DImode.
19536 (lduw, ldub): Renamed to zero_extend* above.
19537 (movqi_media): Fix typo.
19538 (movdi_media): Support FP and BT registers.
19539 (movdi_media_nofpu): New. Adjust splits for SHmedia32.
19540 (movdi_const_32bit): New.
19541 (shori_media): Require immediate operand. Use `u' for output.
19542 (movdf_media, movsf_media): Simplified.
19543 (movdf_media_nofpu, movsf_media_nofpu): New.
19544 (movdf, movsf): Adjust
19545 (movv2sf, movv2sf, movv16sf): New.
19546 (beq_media, beq_media_i): Adjust constraints. Don't use
19547 scratch BT register.
19548 (bne_media, bne_media_i): Likewise.
19549 (bgt_media, bgt_media_i): Likewise.
19550 (bge_media, bge_media_i): Likewise.
19551 (bgtu_media, bgtu_media_i): Likewise.
19552 (bgeu_media, bgeu_media_i): Likewise.
19553 (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu,
19554 bunordered): Emit jump insn. Force operands to registers when
19555 needed.
19556 (jump_media, jump): Simplify.
19557 (call_compact, call_compact_rettramp): New.
19558 (call_value_compact, call_value_compact_rettramp): New.
19559 (call_media, call_value_media): Simplify.
19560 (sibcall_compact, sibcall_media): New.
19561 (call, call_value): Adjust for SHmedia and SHcompact.
19562 (sibcall, sibcall_value, untyped_call): Likewise.
19563 (sibcall_epilogue): Preserve r0 across epilogue for SHcompact.
19564 (indirect_jump): Adjust for SHmedia.
19565 (casesi_jump_media): New.
19566 (nop): Re-enable for SHmedia.
19567 (call_site): Restrict to SH1.
19568 (casesi): Adjust for SHmedia.
19569 (casesi_shift_media, casesi_load_media): New.
19570 (return): Explicitly use PR register. Call return trampoline
19571 on SHcompact.
19572 (return_i): Explicitly use PR register.
19573 (shcompact_return_tramp, shcompact_return_tramp_i): New.
19574 (return_media): Adjust.
19575 (shcompact_incoming_args): New.
19576 (epilogue): Adjust.
19577 (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
19578 (movstrsi): Disable on SH5.
19579 (fpu_switch0, fpu_switch1, movpsi): Enable on SH4.
19580 (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU.
19581 (subsf3, subsf3_media): Likewise.
19582 (mulsf3, mulsf3_media, mac_media): Likewise.
19583 (divsf3, divsf3_media): Likewise.
19584 (floatdisf2, floatsisf2_media): Likewise. Adjust constraints.
19585 (floatsisf2, fux_truncsfsi2): Likewise.
19586 (fix_truncsfdi2, fix_truncsfsi2_media): Likewise. Adjust
19587 constraints.
19588 (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise.
19589 (cmpunsf_media, cmpsf): Likewise.
19590 (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise.
19591 (abssf2, abssf2_media): Likewise.
19592 (adddf3, adddf3_media, subdf3, subdf3_media): Likewise.
19593 (muldf3, muldf3_media, divdf3, divdf3_media): Likewise.
19594 (floatdidf2, floatsidf2_media): Likewise. Adjust constraints.
19595 (floatsidf2, fix_truncdfsi2): Likewise.
19596 (fix_truncdfdi2, fix_truncdfsi2_media): Likewise. Adjust
19597 constraints.
19598 (cmpeqdf_media, cmpgtdf_media): Likewise.
19599 (cmpgedf_media, cmpundf_media, cmpdf): Likewise.
19600 (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise.
19601 (absdf2, absdf2_media): Likewise.
19602 (extendsfdf2, extendsfdf2_media): Likewise.
19603 (truncsfdf2, truncsfdf2_media): Likewise.
19604 * config/sh/sh64.h: New file.
19605 * config/sh/t-sh64: New file.
19606 * config/sh/shmedia.h: New file.
19607 * config/sh/ushmedia.h: New file.
19608 * config/sh/sshmedia.h: New file.
19609 * configure.in: Added sh64-*-elf.
19610 * configure: Rebuilt.
19611 2000-10-10 Alexandre Oliva <aoliva@redhat.com>
19612 * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros.
19613 (reg_class_from_letter): Use `b' for TARGET_REGS.
19614 (print_operand): Support `%M', `%m', `AND' and
19615 `ASHIFTRT'. Do not precede constants with `#' on SHmedia.
19616 (andcosts): Adjust for SHmedia.
19617 (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue):
19618 Likewise.
19619 (target_reg_operand): New function.
19620 * config/sh/sh-protos.h (target_reg_operand): Declare.
19621 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable
19622 FP registers on SH5.
19623 (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable
19624 on SH4.
19625 (TARGET_REGISTER_P): New macro.
19626 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS.
19627 (FUNCTION_VALUE): Use DImode for promoted types on SHmedia.
19628 (EXTRA_CONSTRAINT_S): New macro.
19629 (EXTRA_CONSTRAINT): Adjust.
19630 (FLOAT_TYPE_SIZE): Define to 32.
19631 (Pmode): DImode on SHmedia.
19632 (CONST_COSTS): Adjust for SHmedia literals.
19633 (PREDICATE_CODES): Added target_reg_operand.
19634 (PROMOTE_MODE): Promote signed types to DImode on SHmedia.
19635 * config/sh/sh.md: Remove all attrs from SHmedia insns.
19636 (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns.
19637 (cmpdi): Accept SHmedia.
19638 (movdicc_false, movdicc_true): New insns.
19639 (movdicc): New expand.
19640 (adddi3): Accept arith_operand for op2, but FAIL on SH1 if
19641 no_new_pseudos.
19642 (addsi3_media): Match `S' constraint.
19643 (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns.
19644 (negdi2): Expand for SHmedia.
19645 (one_cmpldi2): New expand.
19646 (zero_extendsidi2): Change from expand to insn.
19647 (extendsidi2): Add constraints.
19648 (movdi_media, movsi_media): Change `%x' to `%M'. Use `%m' for
19649 LD/ST address. Fix SI immediate loading split.
19650 (movhi_media, movqi_media, lduw, ldub): New insns.
19651 (movhi, movqi): Accept SHmedia.
19652 (shori_media, movdi_media): Relax input constraints. Split
19653 symbolic constants.
19654 (movdf_media, movsf_media): New insn. New split to movdi.
19655 (movdf, movsf): Match on SHmedia.
19656 (beq_media, bne_media, bgt_media, bge_media, bgtu_media,
19657 bgeu_media): New insns and splits. New insns with `_i' suffix.
19658 (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust.
19659 (bunordered): New expand.
19660 (jump_compact): Renamed from `jump'.
19661 (jump_media): New insn.
19662 (jump): New expand.
19663 (call_media, call_value_media): New insns.
19664 (call, call_value): Adjust.
19665 (indirect_jump_compact): Renamed from `indirect_jump'.
19666 (indirect_jump_media): New insn.
19667 (indirect_jump): New expand.
19668 (untyped_call, return): Accept SHmedia.
19669 (return_media): New insn.
19670 (prologue, epilogue, blockage): Accept SHmedia.
19671 (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
19672 (sunordered): New expand.
19673 (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2,
19674 cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia.
19675 (addsf3_media, subsf3_media, mulsf3_media, mac_media,
19676 divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2,
19677 fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media,
19678 cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media,
19679 abssf2_media): New insns.
19680 (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2,
19681 cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia.
19682 (adddf3_media, subdf3_media, muldf3_media, divdf3_media,
19683 floatdidf2, floatsidf2_media, fix_truncdfdi2,
19684 fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media,
19685 cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media,
19686 absdf2_media): New insns.
19687 (extendsfdf2, truncdfsf2): Adjust for SHmedia.
19688 (extendsfdf2_media, truncdfsf2_media): New insns.
19689 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
19690 * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now.
19691 * config/sh/sh.h (CONST_OK_FOR_J): Document.
19692 (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia.
19693 * config/sh/sh.md (adddi3): New expand.
19694 (adddi3_media, adddi3z_media): New insns.
19695 (adddi3_compact): Renamed from adddi3.
19696 (addsi3_media): Use add.l r63 to add constant zero.
19697 (subdi3): New expand.
19698 (subdi3_media): New insn.
19699 (subdi3_compact): Renamed from subdi3.
19700 (mulsidi3): New expand.
19701 (mulsidi3_media): New insn.
19702 (mulsidi3_compact): Renamed from mulsidi3.
19703 (umulsidi3): New expand.
19704 (umulsidi3_media): New insn.
19705 (umulsidi3_compact): Renamed from umulsidi3.
19706 (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns.
19707 (ashlsi3, ashrsi3, lshrsi3): Use them.
19708 (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns.
19709 (ashldi3, ashrdi3, lshrdi3): Use them.
19710 (zero_extendsidi2): New expand.
19711 (extendsidi2): New insn.
19712 (movsi_media): New insn. Split to movdi to load constants.
19713 (movsi): Enable for shmedia.
19714 (movdi_media): New insn. Use shori_media to load wide constants.
19715 (short_media): New insn.
19716 (movdi): Enable for shmedia.
19717 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
19718 * config/sh/sh.h (CPP_SPEC): Added `m5'.
19719 (SUBTARGET_CPP_SPEC): Added `!m5'.
19720 (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros.
19721 (TARGET_SWITCHES): Added `5' and `5-compact'. Added SH1_BIT
19722 to all other SH variants.
19723 (TARGET_DEFAULT): Set to SH1_BIT.
19724 (OVERRIDE_OPTIONS): Recognize sh5 CPU.
19725 (BITS_PER_WORD): Raise to 64 on shmedia.
19726 (MAX_BITS_PER_WORD): Change to 64.
19727 (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD.
19728 (INT_TYPE_SIZE): Keep as 32.
19729 (UNITS_PER_WORD): Raise to 8 on shmedia.
19730 (MIN_UNITS_PER_WORD): Keep as 4.
19731 (POINTER_SIZE): Raise to 64 on shmedia.
19732 (CONST_OK_FOR_J): New macro.
19733 (CONST_OK_FOR_LETTER_P): Use it.
19734 (processor_type): Add PROCESSOR_SH5.
19735 * config/sh/sh.md: Conditionalize all expands, insns and
19736 splits to TARGET_SH1.
19737 (cpu): Added sh5.
19738 (addsi3_compact): Renamed from...
19739 (addsi3): Now an expand.
19740 (addsi3_media, subsi3_media): New insns.
19741 (subsi3): Don't negate constants with SHmedia.
19742
19743 * hooks.c: New file.
19744 * hooks.h: New file.
19745 * Makefile.in (HOOKS_H): New.
19746 (TARGET_DEF_H): Added $(HOOKS_H).
19747 (OBJS): Added hooks.o.
19748 (cfgcleanup.o, bb-reorder.o): Added target.h.
19749 (hooks.o): Added dependencies.
19750 * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
19751 (TARGET_INITIALIZER): this.
19752 * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
19753 * target.h (struct gcc_target): Added cannot_modify_jumps_p.
19754 * bb-reorder.c: Include target.h.
19755 (reorder_basic_blocks): Skip if cannot modify jumps.
19756 * cfgcleanup.c: Include target.h.
19757 (try_optimize_cfg): Skip merge blocking if cannot modify jumps.
19758
19759 2002-02-08 Chris Demetriou <cgd@broadcom.com>
19760
19761 * config/mips/mips.md (casesi_internal, casesi_internal_di):
19762 Protect jump delay slot instructions with .set noreorder and
19763 .set nomacro.
19764
19765 2002-02-08 Chris Demetriou <cgd@broadcom.com>
19766
19767 * config/mips/mips.md (casesi_internal_di): Calculate
19768 the index into the target offset table correctly.
19769
19770 2002-02-08 Richard Henderson <rth@redhat.com>
19771
19772 * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.
19773 * final.c (output_addr_const): Accept and discard SUBREG.
19774 * varasm.c (decode_addr_const): Don't abort on unknown expressions --
19775 mark them unknown instead.
19776 (simplify_subtraction): Handle RTX_UNKNOWN.
19777 (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode.
19778
19779 2002-02-08 David Edelsohn <edelsohn@gnu.org>
19780
19781 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo.
19782
19783 2002-02-08 Richard Henderson <rth@redhat.com>
19784
19785 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New.
19786
19787 2002-02-08 Andreas Jaeger <aj@suse.de>
19788
19789 * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment.
19790 * config/i386/t-linux64: New file.
19791
19792 2002-02-08 Jakub Jelinek <jakub@redhat.com>
19793
19794 * c-common.c (c_expand_expr): Revert 2002-02-06 patch.
19795 * c-parse.in (compstmt): Clear last_expr_type.
19796
19797 2002-02-07 Richard Henderson <rth@redhat.com>
19798
19799 * loop.c (strength_reduce): Sink final_value when not
19800 eliminating a biv.
19801
19802 2002-02-07 David O'Brien <obrien@FreeBSD.org>
19803
19804 * config/sparc/freebsd.h: Fix mismatched spec {.
19805
19806 2002-02-07 Richard Henderson <rth@redhat.com>
19807
19808 * cfgrtl.c: Include recog.h and insn-config.h.
19809 (keep_with_call_p): Fix general_operand invocation.
19810 * Makefile.in (cfgrtl.o): Update dependencies.
19811
19812 2002-02-07 Kazu Hirata <kazu@hxi.com>
19813
19814 * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a
19815 comment. Accept HImode only if TARGET_H8300.
19816
19817 2002-02-07 Eric Christopher <echristo@redhat.com>
19818
19819 * config/mips/crtn.asm: Cleanup #ifdefs.
19820
19821 2002-02-07 Eric Christopher <echristo@redhat.com>
19822
19823 * config/mips/crti.asm: Add changes for mips16. mips16 uses
19824 register 7 as RA instead of $31.
19825 * config/mips/crtn.asm: Ditto.
19826 * config/mips/mips.c (mips_move_2words): Add case for
19827 TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64.
19828 (compute_frame_size): Fix typo.
19829 (save_restore_insns): Ditto. Make documentation about using
19830 register $7 as return register more precise.
19831 (mips_expand_epilogue): Fix comment. Add code to work around not
19832 being able to add to the stack pointer directly.
19833 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number
19834 to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the
19835 epilogue.
19836
19837 2002-02-07 Tom Rix <trix@redhat.com>
19838
19839 * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For
19840 immediates in ldu and stdu DS opcode field.
19841 * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use.
19842 * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand.
19843 * config/rs6000/rs6000.h (PREDICATE_CODES): Same.
19844
19845 2002-02-07 Jeff Sturm <jsturm@one-point.com>
19846
19847 * config/sparc/sparc.c (compute_frame_size): Don't correct frame
19848 offset for stack bias.
19849
19850 2002-02-07 H.J. Lu <hjl@gnu.org>
19851
19852 * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined.
19853
19854 2002-02-07 Ulrich Weigand <uweigand@de.ibm.com>
19855
19856 * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option.
19857
19858 Thu Feb 7 12:14:17 CET 2002 Jan Hubicka <jh@suse.cz>
19859
19860 * i386-protos.h (x86_order_regs_for_local_alloc): Declare
19861 * i386.c (x86_order_regs_for_local_alloc): New global function.
19862 * i386.h (REG_ALLOC_ORDER): CLeanup.
19863 (ORDER_REGS_FOR_LOCAL_ALLOC): New.
19864
19865 2002-02-07 Richard Henderson <rth@redhat.com>
19866
19867 PR optimization/2463
19868 * alias.c (find_base_value): Recall base values for fixed hard regs.
19869 * loop.c (loop_regs_update): Don't use single_set on non-insns.
19870
19871 2002-02-07 Alexandre Oliva <aoliva@redhat.com>
19872
19873 * config/mips/mips.md (define_delay) [mips16]: Adjust required
19874 length.
19875
19876 2002-02-06 Richard Henderson <rth@redhat.com>
19877
19878 PR c/5609
19879 * stmt.c (resolve_operand_name_1): Take more care with mixed
19880 named and unnamed operands.
19881
19882 2002-02-06 Janis Johnson <janis187@us.ibm.com>
19883 Jan Hubicka <jh@suse.cz>
19884
19885 * loop.c (remove_constant_addition): Avoid clobbering a shared
19886 CONST expression.
19887
19888 2002-02-06 Ulrich Weigand <uweigand@de.ibm.com>
19889
19890 * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment.
19891 * config/s390/t-linux64: New file.
19892 * config/s390/libgcc-glibc.ver: New file.
19893
19894 2002-02-06 Ulrich Weigand <uweigand@de.ibm.com>
19895
19896 * config/s390/linux64.h: Delete file.
19897 * config/s390/s390x.h: New file.
19898 * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h
19899 as target header file.
19900 * config/s390/linux.h (TARGET_VERSION): Define depending on
19901 DEFAULT_TARGET_64BIT.
19902 (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise.
19903 (SIZE_TYPE, PTRDIFF_TYPE): Likewise.
19904 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
19905 (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines.
19906 (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines.
19907 (EXTRA_SPEC): New define.
19908 * config/s390/s390.h (TARGET_VERSION): Define depending on
19909 DEFAULT_TARGET_64BIT.
19910 (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT.
19911
19912 2002-02-06 Jason Merrill <jason@redhat.com>
19913
19914 * c-decl.c (finish_function): Warn about a non-void function with
19915 no return statement and no abnormal exit.
19916 (current_function_returns_abnormally): New variable.
19917 (start_function): Clear it.
19918 (struct c_language_function): Add returns_abnormally.
19919 (push_c_function_context): Save it.
19920 (pop_c_function_context): Restore it.
19921 (builtin_function): Set TREE_THIS_VOLATILE on return fns.
19922 (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
19923 an explicit return type.
19924 * c-tree.h: Declare current_function_returns_abnormally.
19925 (C_FUNCTION_IMPLICIT_INT): New macro.
19926 * c-typeck.c (build_function_call): Set it.
19927 (c_expand_return): Set current_function_returns_value even if the
19928 value is erroneous.
19929
19930 2002-02-06 Jakub Jelinek <jakub@redhat.com>
19931
19932 PR c/5420:
19933 * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR
19934 unsafe for reevaluation.
19935
19936 2002-02-06 Jakub Jelinek <jakub@redhat.com>
19937
19938 PR c/5482:
19939 * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
19940 EXPR_STMT, but COMPOUND_STMT, recurse into it.
19941
19942 2002-02-06 Richard Henderson <rth@redhat.com>
19943
19944 * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
19945 be a general_operand. Dest for function value must be a pseudo.
19946
19947 2002-02-06 Nick Clifton <nickc@cambridge.redhat.com>
19948
19949 * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
19950 as SYMBOL_REFs from the constant pool.
19951
19952 2002-02-06 Alexandre Oliva <aoliva@redhat.com>
19953
19954 * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters
19955 passed by invisible reference.
19956
19957 2002-02-05 Richard Henderson <rth@redhat.com>
19958
19959 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias.
19960
19961 2002-02-06 Hans-Peter Nilsson <hp@bitrange.com>
19962
19963 Implement using "base addresses" in insn operands as default.
19964 * config/mmix/mmix.c (mmix_conditional_register_usage): if
19965 -mabi=gnu, modify fixed_regs to fit the GNU ABI.
19966 (mmix_extra_constraint): Use 'R' to indicate that GETA should be
19967 used to read the rtx value.
19968 (mmix_target_asm_function_epilogue): Fix spacing.
19969 (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
19970 (mmix_legitimate_address): Ditto.
19971 (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
19972 should be loaded with a GETA insn. Don't allocate needless extra
19973 char for nul termination and fix misleading comment.
19974 (mmix_print_operand_address): Handle constants if
19975 TARGET_BASE_ADDRESSES.
19976 (mmix_output_register_setting): Use base addressing if
19977 TARGET_BASE_ADDRESSES and the number of insns is 3.
19978 * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
19979 * config/mmix/mmix.md ("movdi"): Change the alternative with GETA
19980 to use R as constraint, add LDA to match s.
19981 * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
19982 (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
19983 (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
19984 (FIXED_REGISTERS): Make registers $231..$246 fixed by default.
19985 (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
19986 order with other fixed registers.
19987 (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
19988 other parameter/call-clobbered registers.
19989 * doc/invoke.texi (Option Summary) <MMIX Options>: Add
19990 -mbase-addresses, -mno-base-addresses.
19991 (MMIX Options): Ditto.
19992
19993 2002-02-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
19994
19995 * pa.h (PREDICATE_CODES): Add reg_before_reload_operand.
19996
19997 2002-02-06 Aldy Hernandez <aldyh@redhat.com>
19998
19999 * config/rs6000/altivec.h: Change elem to _S_elem.
20000
20001 2002-02-05 Jason Thorpe <thorpej@wasabisystems.com>
20002
20003 * config/netbsd.h (WCHAR_TYPE): Define.
20004 (WCHAR_TYPE_SIZE): Ditto.
20005 (WINT_TYPE): Ditto.
20006 * config/alpha/netbsd.h (WCHAR_TYPE): Remove.
20007 (WCHAR_UNSIGNED): Ditto.
20008 (WCHAR_TYPE_SIZE): Ditto.
20009 (WINT_TYPE): Ditto.
20010 * config/arm/netbsd.h: Likewise.
20011 * config/i386/netbsd-elf.h: Likewise.
20012 * config/i386/netbsd.h: Likewise.
20013 * config/m68k/netbsd-elf.h: Likewise.
20014 * config/m68k/netbsd.h: Likewise.
20015 * config/ns32k/netbsd.h: Likewise.
20016 * config/sparc/netbsd.h: Likewise.
20017 * config/vax/netbsd.: Likewise.
20018
20019 2002-02-05 Alexandre Oliva <aoliva@redhat.com>
20020
20021 * target.h (struct gcc_target): Added ms_bitfield_layout_p.
20022 * target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New. Added to...
20023 (TARGET_INITIALIZER): this.
20024 * doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document.
20025 (BITFIELD_NBYTES_LIMITED): Markup fix.
20026 * tree.h (default_ms_bitfield_layout_p): Declare.
20027 (record_layout_info): Added prev_field.
20028 * tree.c (default_ms_bitfield_layout_p): New fn.
20029 * c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and
20030 PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout.
20031 * stor-layout.c: Include target.h.
20032 (start_record_layout): Initialize prev_field.
20033 (place_field): Handle MS bit-field layout, and disregard
20034 EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and
20035 PCC_BITFIELD_TYPE_MATTERS in this case. Update prev_field.
20036 * Makefile.in (stor-layout.o): Adjust dependencies.
20037
20038 2002-02-05 Jason Merrill <jason@redhat.com>
20039
20040 * collect2.c (dump_file): Pass DMGL_VERBOSE to cplus_demangle.
20041
20042 2002-02-05 Andreas Jaeger <aj@suse.de>
20043
20044 * crtstuff.c: Fix comments.
20045
20046 2002-02-05 Richard Henderson <rth@redhat.com>
20047
20048 PR fortran/3393
20049 * loop.c (loop_iv_add_mult_emit_before): Copy multiplier as well.
20050 (loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise.
20051
20052 PR fortran/3392
20053 * config/mips/mips.c (function_arg): Handle TImode.
20054 (function_arg_advance): Likewise.
20055
20056 2002-02-05 Aldy Hernandez <aldyh@redhat.com>
20057
20058 * config/rs6000/altivec.h (vec_step_help): Rename to
20059 __vec_step_help.
20060
20061 2002-02-05 Aldy Hernandez <aldyh@redhat.com>
20062
20063 * config/rs6000/altivec.h: Fix typos.
20064
20065 2002-02-05 Jason Thorpe <thorpej@wasabisystems.com>
20066
20067 * config/arm/netbsd.h: Correct a comment.
20068
20069 2002-02-05 Aldy Hernandez <aldyh@redhat.com>
20070
20071 * config/rs6000/rs6000.c (altivec_init_builtins): Fix typo
20072 building void typed builtins.
20073
20074 * config/rs6000/altivec.h (vec_ld*): Fix typos.
20075 (vec_step): Implement for C++.
20076
20077 Mon Feb 4 19:23:19 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20078
20079 * final.c (final_scan_insn): Add case for NOTE_INSN_LOOP_END_TOP_COND.
20080
20081 2002-02-04 Richard Henderson <rth@redhat.com>
20082
20083 * combine.c (nonzero_bits): Re-introduce special case for
20084 sp/fp/ap wrt REGNO_POINTER_ALIGN.
20085
20086 2002-02-05 Aldy Hernandez <aldyh@redhat.com>
20087
20088 * doc/extend.texi: Warn about unsupported usage of altivec
20089 builtins.
20090
20091 * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove.
20092 (altivec_predicate_*): New.
20093
20094 * config/rs6000/altivec.h: Rewrite predicates to use new builtins.
20095 Add C++ version of vec_*() functions.
20096
20097 * config/rs6000/rs6000.c (bdesc_altivec_preds): New.
20098 (bdesc_2arg): Remove altivec predicates.
20099 (altivec_expand_builtin): Handle predicates.
20100 (altivec_init_builtins): Handle predicates.
20101 (altivec_expand_predicate_builtin): New.
20102
20103 2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
20104
20105 * pa.c (DO_FRAME_NOTES): Move forward.
20106 (store_reg): Revise handling of frame notes.
20107 (load_reg): Likewise.
20108 (set_reg_plus_d): Likewise.
20109 (hppa_expand_prologue): Likewise.
20110 (hppa_expand_epilogue): Likewise.
20111
20112 2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
20113
20114 * unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined.
20115
20116 2002-02-04 Jakub Jelinek <jakub@redhat.com>
20117
20118 PR c/4475, c++/3780:
20119 * c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand.
20120 * c-common.h (SWITCH_TYPE): Define.
20121 * c-typeck.c (c_start_case): Set SWITCH_TYPE.
20122 * stmt.c (all_cases_count): Set lastval to thisval at end of loop.
20123 Rename spareness variable to sparseness.
20124 (expand_end_case_type): Renamed from expand_end_case, use orig_type
20125 if non-NULL instead of TREE_TYPE (orig_index).
20126 * tree.h (expand_end_case_type): Renamed from expand_end_case.
20127 (expand_end_case): Define using expand_end_case_type.
20128 * c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE
20129 to expand_end_case_type.
20130 * doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE.
20131
20132 2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
20133
20134 * pa.h (PREFERRED_STACK_BOUNDARY): Define to match standard rounding.
20135 (BIGGEST_ALIGNMENT): Change to 128.
20136
20137 2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
20138
20139 * pa32-linux.h (LINK_COMMAND_SPEC): Define.
20140
20141 2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
20142
20143 * pa.md (call_internal_reg_64bit): Remove unused variable.
20144
20145 2002-02-04 Nick Clifton <nickc@cambridge.redhat.com>
20146
20147 * config/arm/arm.h (machine_function): Add uses_anonymous_args
20148 field.
20149 (SETUP_INCOMING_VARARGS): Set uses_anonymous_args.
20150 * config/arm/arm.c (current_function_anonymous_args): Delete,
20151 replace uses with cfun->machine->uses_anonymous_args.
20152 (arm_reorg): Do not reset uses_anonymous_args.
20153
20154 * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in
20155 any geenral register.
20156
20157 2001-02-04 Bernd Schmidt <bernds@redhat.com>s
20158
20159 * cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect
20160 the entry block.
20161
20162 2002-02-04 Richard Henderson <rth@redhat.com>
20163
20164 * combine.c (force_to_mode): Remove STACK_BIAS code.
20165 (nonzero_bits): Likewise. Replace sp/fp special case with
20166 REGNO_POINTER_ALIGN.
20167
20168 * config/sparc/sparc.h (FRAME_POINTER_REGNUM): Change to SFP.
20169 (HARD_FRAME_POINTER_REGNUM): New.
20170 (FIRST_PSEUDO_REGISTER, REG_CLASS_CONTENTS): Update.
20171 (FIXED_REGS, CALL_USED_REGS): Update.
20172 (REG_ALLOC_ORDER, REGISTER_NAMES): Update.
20173 (CONDITIONAL_REGISTER_USAGE): Update for HFP.
20174 (HARD_REGNO_NREGS): Update for SFP.
20175 (STACK_POINTER_OFFSET): Include bias here ...
20176 (FIRST_PARM_OFFSET): ... not here.
20177 (STACK_BIAS): Remove.
20178 (INIT_EXPANDERS): New.
20179 (STARTING_FRAME_OFFSET): Do not include bias.
20180 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
20181 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Update for SFP.
20182 (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Likewise.
20183 * config/sparc/aout.h (DBX_REGISTER_NUMBER): Update for HFP.
20184 * config/sparc/litecoff.h, config/sparc/sol2.h: Likewise.
20185 * config/sparc/sparc.c (mem_min_alignment): Update for HFP.
20186 (sparc_nonflat_function_prologue, epilogue_renumber): Likewise.
20187 (MUST_SAVE_REGISTER): Likewise.
20188 (sparc_flat_function_prologue): Likewise.
20189 (sparc_flat_function_epilogue): Likewise.
20190 (HARD_FRAME_POINTER_MASK): Rename from FRAME_POINTER_MASK.
20191 (sparc_init_modes): SFP is GENERAL_REGS.
20192 (sparc_builtin_saveregs): SFP does not have bias applied.
20193
20194 2002-02-04 Richard Henderson <rth@redhat.com>
20195
20196 * config/alpha/alpha.c (current_function_is_thunk): Don't check
20197 current_function_is_thunk.
20198 (alpha_sa_mask): Distinguish between current_function_is_thunk
20199 called from ASM_OUTPUT_MI_THUNK and not.
20200 (alpha_does_function_need_gp): Thunks always need gp.
20201 (alpha_start_function, alpha_output_function_end_prologue): Likewise.
20202 (alpha_output_mi_thunk_osf): New.
20203 * config/alpha/alpha-protos.h: Update.
20204 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New.
20205
20206 2002-02-04 Richard Sandiford <rsandifo@redhat.com>
20207
20208 * c-typeck.c (build_c_cast): Warn when qualifiers are added to
20209 function types, not when they're taken away.
20210
20211 Mon Feb 4 09:05:58 2002 Jeffrey A Law (law@redhat.com)
20212
20213 * cfgrtl.c (try_redirect_by_replacing_jump): Remove associated
20214 CODE_LABEL and jump table when replacing a table jump with a
20215 simple jump.
20216
20217 2002-02-04 Ulrich Weigand <uweigand@de.ibm.com>
20218
20219 * config/s390/s390-protos.h (legitimize_la_operand,
20220 s390_secondary_input_reload_class, s390_plus_operand,
20221 s390_expand_plus_operand): Add prototypes.
20222
20223 config/s390/s390.c (s390_secondary_input_reload_class,
20224 s390_plus_operand, s390_expand_plus_operand): New functions.
20225
20226 (struct s390_address): New member 'pointer'.
20227 (s390_decompose_address): Compute it.
20228 (legitimate_la_operand_p): Use it.
20229 (legitimize_la_operand): New function.
20230 (movti, movdi, movdf splitters): Call it.
20231
20232 config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
20233 (PREDICATE_CODES): Add s390_plus_operand.
20234
20235 config/s390/s390.md (adddi3_inv_64, addaddr_ccclobber): Delete.
20236 (la_ccclobber): Allow GENERAL_REGS as output operand.
20237
20238 (reload_load_address, *reload_load_address_reg_0, *la, *do_la_reg_0,
20239 *reload_la_64, *reload_la_31 and splitters): Delete, replace by ...
20240 (*la_64, *la_31, reload_indi, reload_insi): ... these.
20241
20242 2002-02-04 Ulrich Weigand <uweigand@de.ibm.com>
20243
20244 * gcc/config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Fixed
20245 register names for regular asm () construct.
20246
20247 2002-02-04 Jakub Jelinek <jakub@redhat.com>
20248
20249 * config/i386/i386.md (movsf_1): Allow moving SF values in MMX
20250 registers.
20251
20252 2002-02-04 Jakub Jelinek <jakub@redhat.com>
20253
20254 * combine.c (recog_for_combine): Create a dummy insn with PATTERN
20255 pat for recog.
20256
20257 2002-02-04 Hartmut Penner <hpenner@de.ibm.com>
20258
20259 * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in
20260 constant pool to be identical by string address and index.
20261
20262 2002-02-04 Anthony Green <green@redhat.com>
20263
20264 * output.h (SECTION_OVERRIDE): Define.
20265 * varasm.c (named_section): Obey SECTION_OVERRIDE.
20266
20267 2002-02-03 Jason Thorpe <thorpej@wasabisystems.com>
20268
20269 * config.gcc (arm*-*-netbsdelf*): Placeholder to prevent match
20270 by existing arm*-*-netbsd* (a.out) target.
20271 (ns32k-*-netbsdelf*): Likewise.
20272 (sparc-*-netbsdelf*): Likewise.
20273 (vax-*-netbsdelf*): Likewise.
20274
20275 2002-02-03 Danny Smith <dannysmith@users.sourceforge.net>
20276
20277 * gthr-win32.h: Protect against conflicting typedef for BOOL in windows
20278 headers and libobjc headers.
20279
20280 2002-02-03 Mumit Khan <khan@nanotech.wisc.edu>
20281
20282 * gthr-win32.h (__mingwthr_key_dtor): Use extern "C" linkage for C++.
20283 (_mingw.h): Remove duplicate include.
20284
20285 2002-02-03 Jason Thorpe <thorpej@wasabisystems.com>
20286
20287 * config.gcc: Set cpu_type to m68k for 68010, as well.
20288 (m68010-*-netbsdelf*): New...
20289 (m68k*-*-netbsdelf*): ...targets.
20290 * config/m68k/netbsd-elf.h: New file.
20291
20292 2002-02-02 Kazu Hirata <kazu@hxi.com>
20293
20294 * config/h8300/h8300.c (hand_list): Move inside function_arg.
20295
20296 2002-02-02 Kazu Hirata <kazu@hxi.com>
20297
20298 * config/h8300/h8300.c (h8_push_ops): Move inside
20299 h8300_init_once.
20300 (h8_pop_ops): Likewise.
20301 (h8_move_ops): Likewise.
20302
20303 2002-02-02 Kazu Hirata <kazu@hxi.com>
20304
20305 * config/h8300/h8300.c (os_task): Make it static.
20306 (monitor): Likewise.
20307 (pragma_saveall): Likewise.
20308
20309 2002-02-02 Alexandre Oliva <aoliva@redhat.com>
20310
20311 * config/sh/sh.md (ic_invalidate_line): Make sure the immediate
20312 constant is a valid sign-extension for Pmode.
20313
20314 2002-02-02 Kazu Hirata <kazu@hxi.com>
20315
20316 * config/h8300/h8300.c: Fix formatting.
20317
20318 2002-02-02 Kazu Hirata <kazu@hxi.com>
20319
20320 * config/h8300/h8300.md: Fix formatting.
20321
20322 2002-02-02 Kazu Hirata <kazu@hxi.com>
20323
20324 * config/h8300/h8300.md (one_cmpl patterns): Tighten the
20325 predicates of operands[1]. Split the patterns for each
20326 processor variant.
20327
20328 2002-02-02 Kazu Hirata <kazu@hxi.com>
20329
20330 * config/h8300/h8300.md (xor patterns): Tighten the predicates
20331 of operands[1] to register_operand.
20332
20333 2002-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
20334
20335 * cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
20336 * cpphash.c (_cpp_init_hashtable): Similarly.
20337 * cppinit.c (cpp_create_reader): Default the signed_char flag.
20338 (init_builtins): Define __CHAR_UNSIGNED__ appropriately.
20339 (COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
20340 (cpp_handle_option): Handle the new options.
20341 * cpplex.c (cpp_interpret_charconst): Use new flag.
20342 * cpplib.h (struct cpp_options): New member signed_char.
20343 * gcc.c (cpp_unique_options): Remove %c spec and documentation.
20344 (cpp_options): Handle -fsigned-char and -funsigned-char.
20345 (static_specs): Remove signed_char_spec.
20346 (do_spec1): Don't handle %c.
20347 * system.h: Poison SIGNED_CHAR_SPEC.
20348 * tradcif.y (yylex): Use flag_signed_char.
20349 * tradcpp.h (flag_signed_char): New.
20350 * tradcpp.c (flag_signed_char): New.
20351 (main): Handle new command-line options.
20352 (initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
20353 config:
20354 * alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
20355 * avr/avr.h: Remove old comments.
20356 * i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
20357 (CC1_SPEC): Pass -fsigned-char if -mic*.
20358 (SIGNED_CHAR_SPEC): Remove.
20359 doc:
20360 * tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
20361
20362 2002-02-01 Eric Christopher <echristo@redhat.com>
20363
20364 From Daniel Jacobowitz <dmj+@andrew.cmu.edu>
20365 * config/mips/mips.h (FUNCTION_PROFILER): Fix function profiling.
20366 * config/mips/linux.h (ASM_OUTPUT_REG_PUSH): Undefine.
20367 (ASM_OUTPUT_REG_POP): Ditto.
20368
20369 2002-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
20370
20371 * c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield
20372 patch.
20373
20374 2002-02-02 Jakub Jelinek <jakub@redhat.com>
20375
20376 * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Add missing | separators.
20377
20378 2002-02-02 Jakub Jelinek <jakub@redhat.com>
20379
20380 PR c/5304:
20381 * expmed.c (expand_mult_highpart): Use immed_double_const for wide_op1
20382 unconditionally.
20383
20384 2002-02-01 Janis Johnson <janis187@us.ibm.com>
20385
20386 * cfganal.c: Include tm_p.h.
20387 (keep_with_call_p): Fix the test that determines if a register holds
20388 the return value of a call.
20389
20390 2002-02-01 DJ Delorie <dj@redhat.com>
20391
20392 * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): If
20393 we are given conflicting registers, switch to the other one we
20394 had allocated for us.
20395 * config/sparc/sparc.md (reload_indi, reload_outdi): Pass op[2]
20396 as TImode so we know when the "other" register is available.
20397
20398 2002-02-01 David O'Brien <obrien@FreeBSD.org>
20399
20400 * config/sparc/sol2-sld-64.h: Include sparc/biarch64.h rather than
20401 sparc/sparc_bi.h.
20402
20403 2002-02-01 Janis Johnson <janis187@us.ibm.com>
20404
20405 * cfganal.c (keep_with_call_p): New function.
20406 (flow_call_edges_add): Prevent splitting a block between a call and
20407 a single-set instruction that should be kept in the same block.
20408
20409 2002-02-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
20410
20411 * doc/install.texi (avr): Update outdated URL.
20412
20413 2002-01-30 Andrew Haley <aph@cambridge.redhat.com>
20414
20415 * config/stormy16/stormy16.md (pushqi): New.
20416 (popqi): New.
20417 (pushhi): New.
20418 (pophi): New.
20419 (movhi): Remove stack operands.
20420 (movqi): Likewise.
20421 * config/stormy16/stormy16.h (PREDICATE_CODES): Add
20422 nonimmediate_nonstack_operand.
20423 * config/stormy16/stormy16.c (nonimmediate_nonstack_operand):
20424 New.
20425 * config/stormy16/stormy16-protos.h (nonimmediate_nonstack_operand)
20426 New.
20427
20428 2002-01-31 Jason Merrill <jason@redhat.com>
20429
20430 * Makefile.in (c-parse.c): Handle .output file.
20431 * objc/Make-lang.in (objc-parse.c): Likewise.
20432
20433 2002-02-01 Alexandre Oliva <aoliva@redhat.com>
20434
20435 * config/mips/mips.h (ENDIAN_SPEC): Output the endianness flag if
20436 the -me[lb] option is given. Don't output the default flag
20437 twice.
20438
20439 2002-01-31 Zack Weinberg <zack@codesourcery.com>
20440
20441 * c-lex.c (yyparse): Call debug_hooks->start_source_file for
20442 the primary source file; this has not been done yet.
20443 * c-decl.c (c_expand_body): Reset input_filename from
20444 DECL_SOURCE_FILE (fndecl) before calling init_function_start.
20445
20446 2002-01-31 Kazu Hirata <kazu@hxi.com>
20447
20448 * rtlanal.c (subreg_regno_offset): Do not use
20449 SUBREG_REGNO_OFFSET.
20450 * system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list.
20451 * doc/tm.texi (SUBREG_REGNO_OFFSET): Remove.
20452
20453 2002-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
20454
20455 * gccbug.in: Follow GNU Coding Standards for --version. Use GCC
20456 version rather than GNATS version in --version output.
20457
20458 2002-01-31 Richard Sandiford <rsandifo@redhat.com>
20459
20460 * ifcvt.c (noce_process_if_block): Make a copy of the destination
20461 when copying back from a temporary.
20462
20463 2002-01-30 Richard Henderson <rth@redhat.com>
20464
20465 * ifcvt.c (dead_or_predicable): Handling merging when other_bb
20466 and new_dest are the same.
20467
20468 2002-01-30 Richard Henderson <rth@redhat.com>
20469
20470 PR opt/5076
20471 * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New.
20472 * rtl.c (note_insn_name): Update.
20473 * emit-rtl.c (remove_unnecessary_notes): Kill it.
20474 * stmt.c (expand_end_loop): Kill jump opt code. Use LOOP_END_TOP_COND
20475 to perform loop rotation.
20476 (expand_exit_loop_top_cond): New.
20477 * tree.h (expand_exit_loop_top_cond): Declare it.
20478 * c-semantics.c (genrtl_while_stmt): Use it.
20479 (genrtl_for_stmt): Likewise.
20480
20481 2002-01-30 Alexandre Oliva <aoliva@redhat.com>
20482
20483 * config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
20484 arguments to 64-bit boundaries on 64-bit ABIs.
20485
20486 2002-01-30 Steve Ellcey <sje@cup.hp.com>
20487
20488 * loop.c (loop_invariant_p): Special case pic_offset_table_rtx.
20489
20490 2002-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
20491
20492 * c-decl.c (grokdeclarator): Handle type being a typedef for an
20493 invalid type.
20494
20495 2002-01-30 David O'Brien <obrien@FreeBSD.org>
20496
20497 * config.gcc: Include sparc/biarch64.h rather than sparc/sparc_bi.h.
20498 * config/sparc/sparc_bi.h: Remove file.
20499 * config/sparc/biarch64.h: New file (rename of sparc_bi.h).
20500
20501 2002-01-30 Richard Henderson <rth@redhat.com>
20502
20503 * sched-deps.c (sched_analyze): Make a call read the frame pointer.
20504
20505 2002-01-30 Zack Weinberg <zack@codesourcery.com>
20506
20507 * expmed.c (emit_store_flag): Call protect_from_queue on op0 and op1.
20508
20509 2002-01-30 Jason Merrill <jason@redhat.com>
20510
20511 * dwarf2out.c (dwarf_cfi_name): Add other DWARF 3 codes.
20512 (output_cfi): Likewise. Disable DW_CFA_GNU_negative_offset_extended.
20513 (reg_save): Use DW_CFA_offset_extended_sf instead.
20514
20515 * dwarf2out.c (dwarf2out_finish): Don't abort if there were errors.
20516
20517 2002-01-29 Jakub Jelinek <jakub@redhat.com>
20518
20519 * cselib.c (cselib_record_sets): Use IF_THEN_ELSE result
20520 in cselib_lookup.
20521
20522 2002-01-29 Aldy Hernandez <aldyh@redhat.com>
20523
20524 * rs6000.md ("*call_value_local32"): Remove constraints.
20525 ("*call_value_local64"): Same.
20526 ("*call_value_indirect_nonlocal_aix32"): Same.
20527 ("*call_value_nonlocal_aix32"): Same.
20528 ("*call_value_indirect_nonlocal_aix64"): Same.
20529 ("*call_value_nonlocal_aix64"): Same.
20530 ("*call_value_nonlocal_sysv"): Same.
20531
20532 2002-01-29 Richard Henderson <rth@redhat.com>
20533
20534 * config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef.
20535
20536 2002-01-29 Richard Henderson <rth@redhat.com>
20537
20538 * expr.c (force_operand): Ignore flag_pic for detecting pic
20539 address loads.
20540 * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
20541 for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
20542 * resource.c (mark_target_live_regs): Use regs_invalidated_by_call
20543 instead of open-coded loop.
20544 * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
20545 be fixed when in use.
20546
20547 2002-01-29 Richard Henderson <rth@redhat.com>
20548
20549 * sched-int.h (struct deps_reg): Add uses_length, clobbers_length.
20550 * sched-rgn.c (propagate_deps): Update them.
20551 * sched-deps.c (sched_analyze_insn): Update them. Flush the
20552 clobbers list when either gets too long.
20553
20554 2002-01-29 Jakub Jelinek <jakub@redhat.com>
20555
20556 * config/i386/i386.h (LIMIT_RELOAD_CLASS): Handle LEGACY_REGS
20557 and INDEX_REGS the same as GENERAL_REGS.
20558 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
20559
20560 2002-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
20561
20562 * tree.c (build_nonstandard_integer_type): Correct prototype.
20563
20564 2002-01-29 Ulrich Weigand <uweigand@de.ibm.com>
20565
20566 * config/s390/s390.md (movstrsico, movstrdix_64,
20567 movstrsix_31): Remove, replace by ...
20568 (movstrdi_short, movstrsi_short, movstrdi_long,
20569 movstrsi_long): ... these. New.
20570 (movstrdi, movstrsi): Adapt.
20571
20572 (rotldi3, rotlsi3, ashldi3, *ashldi3_31, *ashldi3_64,
20573 ashlsi3, lshrdi3, *lshrdi3_31, *lshrdi3_64, lshrsi3):
20574 Remove unnecessary CC clobber.
20575 (*ashrdi3_cc_31, *ashrdi3_cconly_31, *ashrdi3_cc_64,
20576 *ashrdi3_cconly_64, *ashrsi3_cc, *ashrsi3_cconly): New.
20577
20578 (divmoddi4): Don't partially initialize TImode register.
20579
20580 2002-01-29 Geoffrey Keating <geoffk@redhat.com>
20581
20582 * doc/sourcebuild.texi (C Tests): Document gcc.dg/debug directory.
20583
20584 2002-01-29 Richard Henderson <rth@redhat.com>
20585
20586 * flow.c (print_rtl_and_abort): Remove.
20587 (print_rtl_and_abort_fcn): Remove.
20588 (verify_local_live_at_start): Use dump_bb instead.
20589 (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints.
20590 (verify_wide_reg_1): Return 2 on mode test failure.
20591
20592 2002-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
20593
20594 PR c/3325, c/3326, c/2511, c/3347
20595 * c-decl.c (enum_decl_context): Remove BITFIELD.
20596 (grokdeclarator): Take bitfield width as an input.
20597 Ensure bitfields are given the correct type. Perform
20598 bitfield width validation with build_bitfield_integer_type
20599 rather than waiting for finish_struct.
20600 (grok_typename, grok_typename_in_parm_context, start_decl,
20601 push_parmdecl, grokfield, start_function): Update calls to
20602 grokdeclarator.
20603 (build_bitfield_integer_type): New function.
20604 (finish_struct): Move bitfield validation to grokdeclarator
20605 and build_bitfield_integer_type.
20606 * tree.c (build_nonstandard_integer_type): New function.
20607 * tree.h (build_nonstandard_integer_type): New prototype.
20608 objc:
20609 * objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge.
20610
20611 2002-01-29 Jakub Jelinek <jakub@redhat.com>
20612
20613 PR other/1502:
20614 * cppinit.c (cpp_handle_option): Add ignore argument, if it is zero,
20615 don't ignore unrecognized -W* options.
20616 (cpp_handle_options): Pass 1 as last argument to cpp_handle_option.
20617 * cpplib.h (cpp_handle_option): Adjust prototype.
20618 * c-decl.c (c_decode_options): Pass 0 as last argument to
20619 cpp_handle_option.
20620
20621 PR c/2896:
20622 * gcc.c (cpp_unique_options): Split from cpp_options.
20623 (cpp_options): Source cpp_unique_options.
20624 (default_compilers): Use cpp_unique_options instead of cpp_options
20625 when used together with cc1_options.
20626 (static_specs): Add cpp_unique_options.
20627 * objc/lang-specs.h: Use cpp_unique_options instead of cpp_options
20628 when used together with cc1_options.
20629
20630 2002-01-29 Kazu Hirata <kazu@hxi.com>
20631
20632 * config/h8300/h8300-protos.h: Update the prototype of
20633 output_a_shift.
20634 * config/h8300/h8300.c (output_a_shift): Remove an unused
20635 argument 'insn'. Remove redundant code.
20636 * config/h8300/h8300.md: Adust to the new prototype of
20637 output_a_shift.
20638
20639 2002-01-29 Kazu Hirata <kazu@hxi.com>
20640
20641 * config/h8300/h8300-protos.h: Update the prototypes of
20642 emit_a_rotate and expand_a_rotate.
20643 * config/h8300/h8300.c (emit_a_rotate): Change the type of the
20644 first argument to 'enum rtx_code'.
20645 (expand_a_rotate): Likewise.
20646
20647 2002-01-28 Kazu Hirata <kazu@hxi.com>
20648
20649 * config/h8300/h8300-protos.h: Update the prototype of
20650 output_simode_bld.
20651 * config/h8300/h8300.c (output_simode_bld): Remove an argumen
20652 'log2'.
20653 * config/h8300/h8300.md: Adjust to the new prototype.
20654
20655 2002-01-28 Kazu Hirata <kazu@hxi.com>
20656
20657 * conifg/h8300/h8300.c (h8300_adjust_insn_length): Remove
20658 redundant code.
20659
20660 2002-01-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
20661
20662 * emit-rtl.c (gen_rtx_REG): Check that the PIC_OFFSET_TABLE_REGNUM
20663 is a fixed register before returning pic_offset_table_rtx.
20664 * loop.c (scan_loop): Don't hoist insns that set pic_offset_table_rtx
20665 when PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is defined.
20666
20667 2002-01-28 Jason Merrill <jason@redhat.com>
20668
20669 * dwarf2.h: Sync with src version.
20670
20671 2002-01-28 Paul Koning <pkoning@equallogic.com>
20672
20673 * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace
20674 BT_FN_VOID_PTR_VAR.
20675 * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const.
20676 * doc/extend.texi (__builtin_prefetch): Update documentation:
20677 first argument is now const void ptr.
20678
20679 2002-01-28 Kazu Hirata <kazu@hxi.com>
20680
20681 * config/h8300/h8300-protos.h: Remove an unused prototype.
20682
20683 2002-01-28 Roman Zippel <zippel@linux-m68k.org>
20684
20685 * toplev.c (lang_independent_init): Round up identifier size.
20686
20687 2002-01-28 Richard Earnshaw <rearnsha@arm.com>
20688
20689 * config.gcc: Revert previous change.
20690
20691 2002-01-28 Andris Pavenis <pavenis@latnet.lv>
20692
20693 * config/i386/djgpp.h: Use STRIP_NAME_ENCODING in macro UNIQUE_SECTION
20694
20695 2002-01-28 Richard Earnshaw <rearnsha@arm.com>
20696
20697 * config.gcc (*-*-netbsdelf*): Set up generic parameters.
20698 (*-*-netbsd*): Always use collect2. Remove collect2 settings from
20699 other non-elf netbsd config frags.
20700 * config/netbsd-aout.h (STARTFILE_SPEC): Don't pull in c++rt0 since
20701 collect2 will does that.
20702 * config/netbsd.h (LIBGCC_SPEC): Add white space before -lgcc, so that
20703 shared-lib frobbing will work.
20704
20705 2002-01-28 Kazu Hirata <kazu@hxi.com>
20706
20707 * config/h8300/h8300.h: Fix formatting.
20708 * config/h8300/h8300.md: Likewise.
20709
20710 2002-01-28 Loren J. Rittle <ljrittle@acm.org>
20711
20712 * fixinc/inclhack.def (strict_ansi_not): Add a bypass based on
20713 the old, removed AAA_standards fix.
20714 * fixinc/fixincl.x: Rebuilt.
20715
20716 2002-01-28 Hans-Peter Nilsson <hp@axis.com>
20717
20718 * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Change to emit
20719 atexit call in crtbegin, hooked in after call to frame_dummy;
20720 register EH before registering __fini__start.
20721
20722 2002-01-28 Aldy Hernandez <aldyh@redhat.com>
20723
20724 * config/rs6000/altivec.h: Remove spurious semicolons.
20725
20726 2002-01-27 Kazu Hirata <kazu@hxi.com>
20727
20728 * config/h8300/h8300.md: Replace dead bit extraction patterns
20729 with ones that work.
20730
20731 Sun Jan 27 13:23:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20732
20733 * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode
20734 if not STRICT_ALIGNMENT.
20735 * rtl.h (MEM_ALIGN): Likewise.
20736
20737 2002-01-27 Craig Rodrigues <rodrigc@gcc.gnu.org>
20738
20739 * doc/invoke.texi (-fdump-translation-unit): Revert this
20740 patch: 2001-10-21 Craig Rodrigues <rodrigc@gcc.gnu.org>
20741
20742 2002-01-27 Kazu Hirata <kazu@hxi.com>
20743
20744 * config/h8300/h8300.md (define_constants): New.
20745 (anonymous patterns) Use defined constants appropriately.
20746
20747 2002-01-27 Kazu Hirata <kazu@hxi.com>
20748
20749 * config/h8300/h8300.c (function_arg): Remove redundant code.
20750
20751 2002-01-26 Richard Henderson <rth@redhat.com>
20752
20753 * sched-deps.c (reg_pending_uses_head): New.
20754 (reg_pending_barrier): Rename from reg_pending_sets_all.
20755 (find_insn_list): Don't mark inline.
20756 (find_insn_mem_list): Remove.
20757 (add_dependence_list, add_dependence_list_and_free): New.
20758 (flush_pending_lists): Replace only_write param with separate
20759 for_read and for_write parameters. Update all callers. Use
20760 add_dependence_list_and_free.
20761 (sched_analyze_1): Do not add reg dependencies here; just set
20762 the pending bits. Use add_dependence_list.
20763 (sched_analyze_2): Likewise.
20764 (sched_analyze_insn): Replace schedule_barrier_found with
20765 reg_pending_barrier. Add all dependencies for pending reg
20766 uses, sets, and clobbers.
20767 (sched_analyze): Don't add reg dependencies for calls, just
20768 set pending bits. Use regs_invalidated_by_call. Treat
20769 sched_before_next_call as a normal list, not a fake insn.
20770 (init_deps): No funny init for sched_before_next_call.
20771 (free_deps): Free pending mems lists. Don't zero reg_last.
20772 (init_deps_global): Init reg_pending_uses.
20773 (finish_deps_global): Free it.
20774 * sched-int.h (deps): Make in_post_call_group_p boolean. Update docs.
20775 (find_insn_mem_list): Remove.
20776 * sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New.
20777 (propagate_deps): Use them. Zero temp mem lists.
20778
20779 2002-01-26 Richard Henderson <rth@redhat.com>
20780
20781 * Makefile.in (CRTSTUFF_CFLAGS): New.
20782 (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
20783 * config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
20784 crtstuff.c instead of alpha assembly version.
20785 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
20786 entire dummy function sequence. Use FORCE_CODE_SECTION_ALIGN
20787 not FORCE_{INIT,FINI}_SECTION_ALIGN.
20788 (__do_global_dtors_aux): Mark used.
20789 (frame_dummy, __do_global_ctors_aux): Mark used.
20790 (fini_dummy, init_dummy): Remove.
20791
20792 * config/alpha/crtbegin.asm: Remove file.
20793 * config/alpha/crtend.asm: Remove file.
20794 * config/alpha/t-crtbe: Remove file.
20795 * config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New.
20796 (LINK_EH_SPEC): New.
20797
20798 * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old
20799 FORCE_INIT_SECTION_ALIGN hack. Register __fini_start before
20800 calling constructors.
20801 * config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef.
20802
20803 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New.
20804 * config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old
20805 CRT_END_INIT_DUMMY hack.
20806 * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace
20807 FORCE_{INIT,FINI}_SECTION_ALIGN.
20808
20809 * config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace
20810 FORCE_{INIT,FINI}_SECTION_ALIGN.
20811
20812 * config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new
20813 invocation sequence.
20814 * config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise.
20815
20816 * doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update.
20817 (FORCE_CODE_SECTION_ALIGN): New.
20818
20819 2002-01-26 Richard Henderson <rth@redhat.com>
20820
20821 * config/cris/cris.c (cris_print_operand): Handle 64-bit CONST_INT.
20822
20823 2002-01-26 Richard Henderson <rth@redhat.com>
20824
20825 * config/alpha/alpha.c (alpha_sa_mask): Mark RA for unicos here too.
20826 (alpha_sa_size): Use alpha_sa_mask to compute size of saved regs.
20827
20828 2002-01-26 Kazu Hirata <kazu@hxi.com>
20829
20830 * config/h8300/h8300.md: Remove bit extraction patterns that
20831 cannot be triggered.
20832 Restrict each bit extraction pattern to a variant on which the
20833 pattern is tested.
20834
20835 2002-01-26 Joseph S. Myers <jsm28@cam.ac.uk>
20836
20837 * doc/include/texinfo.tex: Update to version 2002-01-04.07.
20838
20839 2002-01-26 Kazu Hirata <kazu@hxi.com>
20840
20841 * config/h8300/h8300.md: Remove bit test patterns that cannot
20842 be triggered.
20843 Restrict each bit test pattern to a variant on which the
20844 pattern is tested.
20845
20846 2002-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20847
20848 * builtins.c (expand_builtin_strncat): Remove redundant check for
20849 INTEGER_CST.
20850
20851 2002-01-25 David O'Brien <obrien@FreeBSD.org>
20852
20853 * config/i386/x86-64.h (DEFAULT_PCC_STRUCT_RETURN): Do not overide
20854 default setting.
20855 * config/i386/freebsd64.h (DEFAULT_PCC_STRUCT_RETURN): Do not override
20856 existing setting.
20857
20858 2002-01-25 Geoffrey Keating <geoffk@redhat.com>
20859
20860 * dbxout.c (dbxout_init): Use assemble_name rather than just
20861 stripping off the first character.
20862 (dbxout_source_file): Likewise.
20863
20864 2002-01-25 DJ Delorie <dj@redhat.com>
20865
20866 * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Compare
20867 using rtx_equal_p, not by comparing pointers.
20868
20869 2002-01-25 Steve Ellcey <sje@cup.hp.com>
20870
20871 * emit-rtl.c (gen_rtx_REG): Always return the same rtx
20872 for PIC_OFFSET_TABLE_REGNUM.
20873 (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.
20874
20875 2002-01-25 David O'Brien <obrien@FreeBSD.org>
20876
20877 * config.gcc (x86_64-*-freebsd*): New target.
20878 (x86_64-*-netbsd*,x86_64-*-linux*): Use ${tm_file} rather than its
20879 value.
20880 (i[34567]86-*-freebsd*): Don't include svr4.h.
20881 * config/i386/freebsd64.h: New file.
20882
20883 2002-01-25 Douglas B Rupp <rupp@gnat.com>
20884
20885 * config/alpha/x-vms (version): Make static.
20886
20887 * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Fix error
20888 in previous checkin.
20889
20890 * Makefile.in (install-headers-cp): New target.
20891 * config.gcc (alpha-dec-*vms*): Install headers with
20892 install-headers-cp
20893
20894 Fri Jan 25 22:42:49 CET 2002 Jan Hubicka <jh@suse.cz>
20895
20896 * unroll.c (unroll_loop): Lower final_value to nonmemory operand;
20897 avoid it's copies.
20898
20899 Fri Jan 25 08:26:19 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20900
20901 * builtins.c (expand_builtin_strncpy): Use integer_zerop instead
20902 of compare_tree_int.
20903 (expand_builtin_strncat): Likewise.
20904 * c-decl.c (finish_struct): Use tree_low_cst.
20905 * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT.
20906 * tree.c (compare_tree_int): Likewise.
20907
20908 2002-01-25 Ulrich Weigand <uweigand@de.ibm.com>
20909
20910 * reload1.c (eliminate_regs_in_insn): Recognize frame pointer
20911 adjustments even if they are implemented by more than two insns.
20912
20913 Fri Jan 25 20:43:56 CET 2002 Jan Hubicka <jh@suse.cz>
20914
20915 * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB arg.
20916 * df.h (struct ref): Kill B.
20917 (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN.
20918
20919 * basic-block.h (PROP_EQUAL_NOTES): New flag.
20920 * flow.c (propagate_one_insn): Use it.
20921 (mark_used_regs): Handle NIL.
20922
20923 2002-01-25 Geoffrey Keating <geoffk@redhat.com>
20924
20925 * config/stormy16/stormy16.md (tablejump_pcrel): Use a MEM
20926 to help folding.
20927
20928 2002-01-25 David Edelsohn <edelsohn@gnu.org>
20929
20930 * rs6000.md (prefetch): Make address V4SI mode so that the address
20931 is restricted to legitimate form for instruction.
20932
20933 2002-01-25 Bob Wilson <bob.wilson@acm.org>
20934
20935 * doc/install.texi (xtensa-*-elf): New target.
20936 (xtensa-*-linux*): New target.
20937 * doc/contrib.texi: Add myself.
20938
20939 2002-01-25 Nick Clifton <nickc@cambridge.redhat.com>
20940
20941 * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any general
20942 purpose register to hold an SImode (or smaller) value.
20943
20944 2002-01-25 Jakub Jelinek <jakub@redhat.com>
20945
20946 * unwind-dw2-fde-glibc.c: If inhibit_libc, use __register_frame*
20947 registry only.
20948 * crtstuff.c: Likewise.
20949
20950 2002-01-25 Kazu Hirata <kazu@hxi.com>
20951
20952 * config/h8300/h8300.md (negation patterns): Tighten
20953 predicates to register_operand.
20954
20955 2002-01-24 Aldy Hernandez <aldyh@redhat.com>
20956
20957 * loop.c (emit_prefetch_instructions): Use the prefetch insn's
20958 mode, not Pmode.
20959
20960 * builtins.c (expand_builtin_prefetch): Same.
20961
20962 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
20963
20964 * config/sh/sh.md (sym_label2reg): Make sure all CONSTs have
20965 modes.
20966
20967 2002-01-24 Kazu Hirata <kazu@hxi.com>
20968
20969 * config/h8300/h8300.c (print_operand): Remove support for
20970 operand character 'A'.
20971 * config/h8300/h8300.md (three anonymous patterns): Replace
20972 operand character 'A' with either 'T' or 'S'.
20973
20974 2002-01-24 Kazu Hirata <kazu@hxi.com>
20975
20976 * config/h8300/h8300.c (print_operand): Remove support for
20977 operand character 'U'.
20978
20979 2002-01-24 Andris Pavenis <pavenis@latnet.lv>
20980
20981 * config/i386/t-djgpp: Use NATIVE_SYSTEM_HEADER_DIR.
20982
20983 2002-01-24 Nick Clifton <nickc@cambridge.redhat.com>
20984
20985 * config/arm/arm.c (arm_hard_regno_mode_ok): Allow SImode
20986 values to be assigned to the stack pointer.
20987
20988 2002-01-14 Hartmut Penner <hpenner@de.ibm.com>
20989
20990 * emit_rtl.c (gen_lowpart_common): Conversion from const_int
20991 to const_double needs to be done right for big-endian systems.
20992
20993 2002-01-24 Jason Merrill <jason@redhat.com>
20994
20995 PR c++/2432
20996 * config/sparc/sparc.md (call-jump peepholes): Pass the right insn
20997 to can_throw_internal.
20998
20999 2002-01-23 Richard Henderson <rth@redhat.com>
21000
21001 * fold-const.c (fold): Change UINT_MAX test to check vs precision
21002 rather than TYPE_MAX_VALUE. Fix indentation and a bogus negation.
21003
21004 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
21005
21006 * config/sh/sh.md (symGOT_load, sym2GOT, sym2GOTOFF): New expands.
21007 (symGOT2reg): Use them, then set as GOT value as unchanging.
21008 (symGOTOFF2reg): Set REG_EQUAL note. Use a different pseudo
21009 as a temporary, if possible.
21010 (symPLT_label2reg): Enclose (pc) in UNSPEC_PIC. Emit
21011 sym@PLT-(.LPCS#+2-.) instead of sym@PLT+.-(.LPCS#+2).
21012
21013 2002-01-23 Kazu Hirata <kazu@hxi.com>
21014
21015 * config/h8300/h8300.md: Fix xorqi and xorqi so that they will
21016 accept to accept 0x80 as operands[2].
21017
21018 2002-01-24 Alexandre Oliva <aoliva@redhat.com>
21019
21020 * config/sparc/sparc.md (fix_trunctfdi2): Correct typo in mode.
21021
21022 2002-01-23 Richard Henderson <rth@redhat.com>
21023
21024 * config/alpha/alpha.md (call_value_osf_1_er peepholes): Fix typo.
21025
21026 2002-01-23 Aldy Hernandez <aldyh@redhat.com>
21027
21028 * c-parse.in (parmlist_or_identifiers): Add maybe_attribute.
21029 (parmlist_or_identifiers_1): Verify that only a parmlist follows
21030 an attribute.
21031
21032 2002-01-23 Richard Henderson <rth@redhat.com>
21033
21034 * expr.c (move_by_pieces_1): Extend size before negation.
21035
21036 * config/m68k/t-m68kbare (MULTILIB_OPTIONS): Add 68040 and 68060.
21037 (MULTILIB_MATCHES): Remove 68040 and 68060 aliases.
21038 (MULTILIB_EXCEPTIONS): Ignore 68881 and soft-float for 68040 and 68060.
21039 * config/m68k/t-m68kelf: Likewise.
21040
21041 2002-01-23 Bob Wilson <bob.wilson@acm.org>
21042
21043 * config/xtensa/elf.h: New file.
21044 * config/xtensa/lib1funcs.asm: New file.
21045 * config/xtensa/lib2funcs.S: New file.
21046 * config/xtensa/linux.h: New file.
21047 * config/xtensa/t-xtensa: New file.
21048 * config/xtensa/xtensa-config.h: New file.
21049 * config/xtensa/xtensa-protos.h: New file.
21050 * config/xtensa/xtensa.c: New file.
21051 * config/xtensa/xtensa.h: New file.
21052 * config/xtensa/xtensa.md: New file.
21053 * config.gcc (xtensa-*-elf*): New target.
21054 (xtensa-*-linux*): New target.
21055 * cse.c (canon_hash): Compare rtx pointers instead of register
21056 numbers. This is required for the Xtensa port.
21057 * integrate.c (copy_insn_list): Handle case where the static
21058 chain is in memory and the memory address has to be copied to
21059 a register.
21060 * doc/invoke.texi (Option Summary): Add Xtensa options.
21061 (Xtensa Options): New node.
21062 * doc/md.texi (Machine Constraints): Add Xtensa machine constraints.
21063
21064 2002-01-23 Zack Weinberg <zack@codesourcery.com>
21065
21066 * diagnostic.c (internal_error): Do ICE suppression only
21067 when ENABLE_CHECKING is not defined.
21068
21069 * c-typeck.c (require_complete_type): Return error_mark_node
21070 if type is error_mark_node.
21071
21072 2002-01-23 Janis Johnson <janis187@us.ibm.com>
21073
21074 * toplev.c (process_options): Disable -fprefetch-loop-arrays with
21075 -Os and issue a warning.
21076
21077 2002-01-23 Zack Weinberg <zack@codesourcery.com>
21078
21079 * doc/fragments.texi, doc/hostconfig.texi: Update to reflect
21080 current (lack of) need for host configuration by hand.
21081
21082 * doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross
21083 references. Documentation of some target macros moved from
21084 hostconfig.texi to tm.texi.
21085
21086 2002-01-23 Will Cohen <wcohen@redhat.com>
21087
21088 * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Define if not currently
21089 defined.
21090
21091 2002-01-23 Kazu Hirata <kazu@hxi.com>
21092
21093 * config/h8300/h8300.md (*andorhi3): Accept 0x8000 as an
21094 operand[3].
21095
21096 2002-01-23 Jason Merrill <jason@redhat.com>
21097
21098 * tree.c (build1): Don't set TREE_READONLY on INDIRECT_REF.
21099
21100 * function.c (assign_parms): Don't put args of inline functions
21101 into registers when not optimizing.
21102
21103 2002-01-23 Nick Clifton <nickc@cambridge.redhat.com>
21104
21105 * config/arm/arm.md (UNSPEC_PROLOGUE_USE): New unspec constant.
21106 (prologue_use): New pattern.
21107 * config/arm/arm.c (expand_prologue): Use gen_prologue_use in
21108 preference to gen_rtx_USE.
21109 (thumb_expand_prologue): Use gen_prologue_use in preference to
21110 gen_rtx_USE.
21111 (thumb_expand_epilogue): Use gen_prologue_use in preference to
21112 gen_rtx_USE.
21113
21114 2002-01-23 Hans-Peter Nilsson <hp@bitrange.com>
21115
21116 * loop.c [!HAVE_prefetch] (CODE_FOR_prefetch): Define to 0.
21117
21118 2002-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
21119
21120 PR c/3504
21121 * doc/extend.texi: Correct documentation of __alignof__.
21122
21123 2002-01-22 Zack Weinberg <zack@codesourcery.com>
21124
21125 * params.h: Rename arguments of DEFPARAM so that it will be
21126 recognized as a translation keyword.
21127
21128 2002-01-22 Aldy Hernandez <aldyh@redhat.com>
21129
21130 * extend.texi: Document altivec functions.
21131 Fix N-bit adjectives in X86 builtin documentation.
21132
21133 2002-01-22 Alexandre Oliva <aoliva@redhat.com>
21134
21135 * reload.c (reg_overlap_mentioned_for_reload_p): Handle PLUS and
21136 auto_inc_dec values.
21137
21138 2002-01-22 Richard Earnshaw <rearnsha@arm.com>
21139
21140 * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove bogus white space
21141 after backslash.
21142 (ASM_DECLARE_OBJECT_NAME): Add missing backslash before final line.
21143
21144 2002-01-22 Alexandre Oliva <aoliva@redhat.com>
21145
21146 * config/i386/freebsd-aout.h (ASM_QUAD): Undefine.
21147
21148 2002-01-22 Richard Henderson <rth@redhat.com>
21149
21150 * config/alpha/alpha.c (split_small_symbolic_mem_operand): Use
21151 copy_insn not copy_rtx.
21152
21153 2002-01-23 Alan Modra <amodra@bigpond.net.au>
21154
21155 * combine.c (simplify_and_const_int): Don't trunc_int_for_mode
21156 "nonzero" as that might add "1" bits. Ensure "constop" is
21157 properly sign extened.
21158 (force_to_mode): Tweak for sign extended constop.
21159
21160 2002-01-22 Richard Henderson <rth@redhat.com>
21161
21162 * config/alpha/alpha.c (some_small_symbolic_mem_operand) Use
21163 for_each_rtx instead of assuming we're already looking at the MEM.
21164 (split_small_symbolic_mem_operand): Likewise.
21165 * config/alpha/alpha.h (PREDICATE_CODES): Update.
21166 * config/alpha/alpha.md (small symbolic memory splitters): Update.
21167
21168 2002-01-22 Richard Henderson <rth@redhat.com>
21169
21170 * config/alpha/alpha.md (divmodsi_internal_er): Generate lituse
21171 sequence number for the literal.
21172 (divmoddi_internal_er): Likewise.
21173
21174 2002-01-22 Craig Rodrigues <rodrigc@gcc.gnu.org>
21175
21176 PR java/4972
21177 * aclocal.m4 (AM_ICONV): Put linking flags for libiconv
21178 in LIBICONV variable.
21179 * configure: Regenerated.
21180
21181 2002-01-22 Krister Walfridsson <cato@df.lth.se>
21182
21183 * dependence.c (build_def_use): Remove array_idx.
21184
21185 * dwarfout.c (last_filename): Remove.
21186 (output_compile_unit_die): Remove last_filename.
21187
21188 2002-01-22 Roger Sayle <roger@eyesopen.com>
21189 Richard Henderson <rth@redhat.com>
21190
21191 PR opt/3640
21192 * fold-const.c (fold): Optimize unsigned comparisons against
21193 UINT_MAX (and similar unsigned constants).
21194
21195 2002-01-22 Janis Johnson <janis187@us.ibm.com>
21196
21197 * Makefile.in (loop.o): Depend on OPTABS_H.
21198 * loop.c (emit_prefetch_instructions): Check the prefetch operand
21199 against the predicate.
21200
21201 PR target/5379
21202 * config/i386/i386.md (prefetch_sse): Specify "p" as a constraint
21203 for the address operand.
21204
21205 2002-01-22 Richard Henderson <rth@redhat.com>
21206
21207 * config/alpha/freebsd.h (FUNCTION_PROFILER): Remove.
21208
21209 2002-01-22 Craig Rodrigues <rodrigc@gcc.gnu.org>
21210
21211 PR other/5450
21212 * config/i386/sysv4.h (CPP_SPEC): Define, and add CPU
21213 preprocessor flags.
21214
21215 2002-01-22 Jason Thorpe <thorpej@wasabisystems.com>
21216
21217 * config.gcc (x86_64-*-netbsd*): New target.
21218 * config/i386/netbsd64.h: New file.
21219
21220 2002-01-22 Aldy Hernandez <aldyh@redhat.com>
21221
21222 * regrename.c (kill_value): Fix typo.
21223
21224 2002-01-22 Aldy Hernandez <aldyh@redhat.com>
21225
21226 * doc/tm.texi: Remove STARTING_FRAME_PHASE.
21227
21228 * config/rs6000/rs6000.h: Same.
21229
21230 * function.c (instantiate_virtual_regs): Remove
21231 STARTING_FRAME_PHASE.
21232 (assign_stack_local_1): Same.
21233 Calculate frame phase.
21234
21235 2002-01-22 Nick Clifton <nickc@redhat.com>
21236
21237 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move 'regno'
21238 variable declaration to outer scope in order to simplify
21239 future extensions.
21240 (HARD_REGNO_MODE_OK): Replace macro body with a with a call to
21241 arm_hard_regno_mode_ok.
21242 * config/arm/arm-protos.h: Add a prototype for
21243 arm_hard_regno_mode_ok.
21244 * config/arm/arm.c (soft_df_operand): Remove now redundant
21245 check for DImode values using IP_REGNUM.
21246 (nonimmediate_soft_df_operand): Remove now redundant check for
21247 DImode values using IP_REGNUM.
21248 (arm_hard_regno_mode_ok): New function. New check: make sure
21249 that DImode values are not stored in IP_REGNUM.
21250
21251 * config/arm/arm.c (arm_expand_prologue): Replace REG_MAYBE_DEAD
21252 note with a USE.
21253 (thumb_expand_prologue): Replace REG_MAYBE_DEAD note with a USE.
21254
21255 2002-01-22 Jason Merrill <jason@redhat.com>
21256
21257 * c-semantics.c (genrtl_compound_stmt): Only check nesting
21258 consistency if this COMPOUND_STMT is scoped.
21259
21260 2002-01-22 Kazu Hirata <kazu@hxi.com>
21261
21262 * predict.c: Fix formatting.
21263 * print-tree.c: Likewise.
21264 * protoize.c: Likewise.
21265 * real.h: Likewise.
21266 * rtl.h: Likewise.
21267 * sbitmap.h: Likewise.
21268 * scan.c: Likewise.
21269 * sched-deps.c: Likewise.
21270 * sched-vis.c: Likewise.
21271 * sdbout.c: Likewise.
21272 * sibcall.c: Likewise.
21273 * ssa.c: Likewise.
21274 * ssa-ccp.c: Likewise.
21275 * ssa-dce.c: Likewise.
21276 * stmt.c: Likewise.
21277 * stor-layout.c: Likewise.
21278 * system.h: Likewise.
21279
21280 Tue Jan 22 06:26:33 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21281
21282 * tree.c (int_fits_type_p): If bounds of a subtype are variable, see
21283 if fits in bounds of base type.
21284
21285 * dwarf2out.c (equate_decl_number_to_die): Add "int" to decls.
21286 (loc_descriptor_from_tree, case CALL_EXPR, case ADDR_EXPR): New.
21287 (add_bound_info, default): If can't find a context, make a
21288 SAVE_EXPR.
21289 (dwarf2out_finish): Check for SAVE_EXPR in node->created_for.
21290
21291 2002-01-22 Hans-Peter Nilsson <hp@axis.com>
21292
21293 * c-typeck.c (parser_build_binary_op): If result from
21294 build_binary_op is ERROR_MARK just return error_mark_node without
21295 further processing.
21296
21297 2002-01-21 Jason Thorpe <thorpej@wasabisystems.com>
21298
21299 * config/netbsd.h (TARGET_HAS_F_SETLKW): define.
21300 Split a.out-specific bits into...
21301 * config/netbsd-aout.h: ...this.
21302 * config/netbsd-elf.h: New file.
21303 * config/alpha/netbsd-elf.h: Remove.
21304 * config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target.
21305 * config/i386/netbsd-elf.h (LIB_SPEC): Remove.
21306 (STARTFILE_SPEC): Remove redundant definition.
21307 (ENDFILE_SPEC): Likewise.
21308 (LINK_SPEC): Likewise.
21309 (CPP_SPEC): Likewise.
21310 (ASM_SPEC): Likewise.
21311 (LIB_SPEC): Likewise.
21312 (SWITCH_TAKES_ARG): Likewise.
21313 (TARGET_MEM_FUNCTIONS): Likewise.
21314 (CPP_PREDEFINES): Redefine.
21315 (ASM_FINAL_SPEC): Remove redefinition.
21316 (ASM_COMMENT_START): Redefine.
21317 (FUNCTION_PROFILER): Define.
21318 (TARGET_VERSION): Redefine.
21319 Comment and formatting cleanup.
21320 * config/i386/netbsd.h: Include <netbsd-aout.h>.
21321 * config/m68k/netbsd.h: Include <netbsd-aout.h>.
21322 * config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target,
21323 big- or little-endian.
21324 * config/ns32k/netbsd.h: Include <netbsd-aout.h>.
21325 * config.gcc (*-*-netbsd*): Add definitions common to all
21326 NetBSD configs.
21327 (alpha*-*-netbsd*): Remove redundant xm_defines, gas, and
21328 gnu_ld definitions. Add netbsd-elf.h to and remove
21329 alpha/netbsd-elf.h from tm_file. Remove alpha/t-crtfm from
21330 tmake_file, and don't lose previous tmake_file contents.
21331 (arm*-*-netbsd*): Add netbsd-aout.h to tm_file.
21332 (i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and
21333 gnu_ld definitions. Add netbsd-elf.h to tm_file.
21334 (mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*.
21335 (mipsel-*-netbsd*): Rename this to...
21336 (mips*-*-netbsd*): ...this. Add elfos.h to tm_file. Add
21337 mips/little.h to tm_file for mips*el-*.
21338 (powerpc-*-netbsd*): Remove redundant xm_defines definition.
21339 (sparc-*-netbsd*): Add netbsd-aout.h to tm_file.
21340 (vax-*-netbsd*): Add netbsd-aout.h to tm_file.
21341
21342 2002-01-21 John David Anglin <dave@hiauly1.hia.nrc.ca>
21343
21344 * pa-protos.h (reg_before_reload_operand): New function prototype.
21345 * pa.c (reg_before_reload_operand): New function implementation.
21346 * pa.md (decrement_and_branch_until_zero, movb): Use it. Change "!*m"
21347 contraints to "*m".
21348
21349 2002-01-21 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21350
21351 * combine.c (simplify_and_const_int): Properly sign-extend CONSTOP.
21352
21353 2002-01-21 John David Anglin <dave@hiauly1.hia.nrc.ca>
21354
21355 * pa64-hpux.h (MD_EXEC_PREFIX): Set to "/usr/ccs/bin".
21356 (MD_STARTFILE_PREFIX): Set to "/usr/ccs/lib/pa20_64/".
21357 (MD_STARTFILE_PREFIX_1): Set to "/opt/langtools/lib/pa20_64/".
21358 (EH_FRAME_IN_DATA_SECTION): Define and update comment on init sections.
21359 (ENDFILE_SPEC): Undefine.
21360 (STARTFILE_SPEC): Redefine for PA.
21361
21362 2002-01-21 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21363
21364 * config/rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS_S): Re-add -fPIC.
21365
21366 2002-01-21 Daniel Jacobowitz <drow@mvista.com>
21367
21368 * config.gcc: Add entries to supported PowerPC --with-cpu
21369 types.
21370
21371 2002-01-21 Jakub Jelinek <jakub@redhat.com>
21372
21373 * config/i386/i386.c (ix86_function_arg_regno_p): Never return
21374 true for 64-bit mode only SSE registers in 32-bit mode.
21375
21376 2002-01-21 Kazu Hirata <kazu@hxi.com>
21377
21378 * unwind-dw2.c: Fix formatting.
21379 * unwind-dw2-fde.c: Likewise.
21380 * unwind-dw2-fde.h: Likewise.
21381 * unwind-pe.h: Likewise.
21382 * varasm.c: Likewise.
21383 * varray.h: Likewise.
21384
21385 2002-01-21 Hans-Peter Nilsson <hp@bitrange.com>
21386
21387 Remove workaround for register stack overwrite bug in mmix.
21388 * config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove
21389 support for TARGET_REG_STACK_FILL_BUG.
21390 * config/mmix/mmix.h: Remove member has_call_without_parameters.
21391 (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG):
21392 Delete.
21393 (TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG.
21394 (TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and
21395 -mno-reg-stack-fill-bug-workaround.
21396 * config/mmix/mmix.md ("call", "call_value"): Don't set struct
21397 machine member has_call_without_parameters.
21398 * doc/invoke.texi (Option Summary) <MMIX Options>: Remove
21399 -mreg-stack-fill-bug-workaround and
21400 -mno-reg-stack-fill-bug-workaround.
21401 (MMIX Options): Ditto.
21402
21403 2002-01-21 Kazu Hirata <kazu@hxi.com>
21404
21405 * config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX
21406 as appropriate.
21407 Remove redundant code.
21408
21409 2002-01-21 Joseph S. Myers <jsm28@cam.ac.uk>
21410
21411 * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
21412 config/c4x/c4x.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
21413 config/fr30/fr30.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
21414 config/mips/mips.h, config/rs6000/rs6000.h, config/sparc/sparc.h,
21415 config/stormy16/stormy16.h, config/v850/v850.h: Remove commented
21416 out target macro definitions and non-target-specific comments
21417 mostly taken from old versions of the manual.
21418
21419 2002-01-20 Kazu Hirata <kazu@hxi.com>
21420
21421 * config/h8300/h8300.h: Fix comment formatting.
21422 * config/ia64/aix.h: Likewise.
21423 * config/ia64/ia64-protos.h: Likewise.
21424 * config/ia64/ia64.c: Likewise.
21425 * config/ia64/ia64.h: Likewise.
21426 * config/ia64/ia64intrin.h: Likewise.
21427 * config/ia64/linux.h: Likewise.
21428 * config/ia64/unwind-aix.c: Likewise.
21429 * config/ia64/unwind-ia64.c: Likewise.
21430
21431 2002-01-20 Kazu Hirata <kazu@hxi.com>
21432
21433 * config/h8300/h8300.c: Revise comments about shift code.
21434
21435 2002-01-20 Kazu Hirata <kazu@hxi.com>
21436
21437 * config/h8300/h8300.c (function_arg): Update a comment.
21438
21439 2002-01-20 Kazu Hirata <kazu@hxi.com>
21440
21441 * config/h8300/h8300.md: Update the comments at the beginning
21442 of the file.
21443
21444 2002-01-20 Kazu Hirata <kazu@hxi.com>
21445
21446 * config/i370/i370.c: Fix comment formatting.
21447 * config/i370/i370.h: Likewise.
21448 * config/i370/i370.md: Likewise.
21449 * config/i370/linux.h: Likewise.
21450
21451 Sun Jan 20 18:40:14 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21452
21453 * reg-stack.c (subst_stack_regs): Properly check for deleted insn.
21454
21455 * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases.
21456 (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL
21457 in incomplete case.
21458
21459 2002-01-20 Graham Stott <grahams@redhat.com>
21460
21461 * cfgloop.c (flow_loop_preheader_scan): Fix typo.
21462
21463 2002-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
21464
21465 * config.gcc (hppa*64*-*-hpux11*): Fix tmake_file.
21466
21467 2002-01-19 Tom Rix <trix@redhat.com>
21468
21469 * config/rs6000/rs6000.md: Fix DF split for 64 bit hosts.
21470
21471 2002-01-18 Aldy Hernandez <aldyh@redhat.com>
21472
21473 * doc/tm.texi (STARTING_FRAME_PHASE): Document.
21474
21475 * function.c (assign_stack_local_1): Adjust x_frame_offset with
21476 STARTING_FRAME_PHASE.
21477 (STARTING_FRAME_PHASE): New.
21478 (instantiate_virtual_regs): Check saneness of
21479 STARTING_FRAME_PHASE.
21480
21481 * config/rs6000/rs6000.h (STARTING_FRAME_PHASE): New.
21482
21483 2002-01-19 Alexandre Oliva <aoliva@redhat.com>
21484
21485 * config/sh/sh.md (movdf_i4 split): Fix alter_subreg calls.
21486
21487 2002-01-18 Craig Rodrigues <rodrigc@gcc.gnu.org>
21488
21489 * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot
21490 be used for bootstrapping GCC 3.0.
21491
21492 2002-01-18 Kazu Hirata <kazu@hxi.com>
21493
21494 * config/h8300/h8300.md: Fix an insn length.
21495
21496 2002-01-18 Kazu Hirata <kazu@hxi.com>
21497
21498 * bitmap.h: Fix comment formatting.
21499 * combine.c: Likewise.
21500 * cppfiles.c: Likewise.
21501 * c-pragma.h: Likewise.
21502 * c-typeck.c: Likewise.
21503 * df.c: Likewise.
21504 * dwarf2out.c: Likewise.
21505 * function.c: Likewise.
21506 * gcc.c: Likewise.
21507 * genattrtab.c: Likewise.
21508 * gthr-win32.h: Likewise.
21509 * haifa-sched.c: Likewise.
21510 * predict.c: Likewise.
21511 * rtlanal.c: Likewise.
21512 * rtl.h: Likewise.
21513 * unwind-dw2-fde.h: Likewise.
21514 * unwind-pe.h: Likewise.
21515 * vmsdbgout.c: Likewise.
21516
21517 Thu Jan 17 15:28:26 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21518
21519 * attribs.c (decl_attributes): Clear ATTR_FLAG_TYPE_IN_PLACE
21520 if type_required and passed decl.
21521
21522 2002-01-17 Aldy Hernandez <aldyh@redhat.com>
21523
21524 * config.gcc (cpu_type): Include altivec.h in powerpc
21525 extra_headers.
21526 Same for darwin.
21527
21528 * config/rs6000/altivec.h: New.
21529
21530 2002-01-17 David Edelsohn <edelsohn@gnu.org>
21531
21532 * doc/install.texi (*-ibm-aix*): Update assembler and exception
21533 handling information.
21534 * doc/trouble.texi (Interoperation): Add libstdc++ information
21535 for AIX.
21536 (Misunderstandings): Add template instantiation and static template
21537 member information for AIX.
21538
21539 2002-01-17 Jason Merrill <jason@redhat.com>
21540
21541 * dbxout.c (dbxout_type): Support const and volatile.
21542
21543 * except.c (add_partial_entry): Remove backwards compatibility code.
21544 (end_protect_partials): Likewise.
21545
21546 2002-01-17 Jakub Jelinek <jakub@redhat.com>
21547
21548 * config/ia64/ia64.md (prologue_use): New.
21549 * config/ia64/ia64.c (ia64_expand_prologue): Use
21550 gen_prologue_use instead of gen_rtx_USE.
21551 (group_barrier_needed_p): Handle CODE_FOR_prologue_use the same way
21552 as CODE_FOR_pred_rel_mutex.
21553 (ia64_sched_reorder2): Likewise.
21554
21555 2002-01-16 Eric Christopher <echristo@redhat.com>
21556
21557 * config/mips/r3900.h: Reformat.
21558 (SUBTARGET_CPP_SIZE_SPEC): Remove.
21559 * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Ditto.
21560 * config/mips/mips.h (ABI_GAS_ASM_SPEC): Default to "".
21561 (SUBTARGET_CPP_SIZE_SPEC): Rewrite.
21562 * config/mips/t-elf: Remove mips3 multilib.
21563
21564 2002-01-16 H.J. Lu <hjl@gnu.org>
21565
21566 * config/mips/linux.h: Include "mips/abi64.h".
21567
21568 2002-01-16 H.J. Lu <hjl@gnu.org>
21569
21570 * config/mips/t-linux: New.
21571
21572 * config.gcc: Add mips/t-linux to tmake_file for mips*-*-linux*.
21573
21574 * config/mips/linux.h: Don't include "gofast.h".
21575 (INIT_SUBTARGET_OPTABS): Removed.
21576
21577 2002-01-16 Kazu Hirata <kazu@hxi.com>
21578
21579 * config/h8300/h8300-protos.h: Replace emit_a_shift with
21580 output_a_shift.
21581 * config/h8300/h8300.c: Likewise.
21582 * config/h8300/h8300.md: Likewise.
21583
21584 2002-01-16 Kazu Hirata <kazu@hxi.com>
21585
21586 * config/h8300/h8300.md (pushqi1_h8300): Use a tab instead of
21587 spaces after an opcode name.
21588 (pushqi1_h8300hs): Likewise.
21589 (pushhi1_h8300hs): Likewise.
21590
21591 2002-01-16 Kazu Hirata <kazu@hxi.com>
21592
21593 * doc/extend.texi: Replace "option" with "attribute"
21594 appropriately.
21595
21596 2002-01-16 Jakub Jelinek <jakub@redhat.com>
21597
21598 * config/alpha/alpha.c (some_small_symbolic_mem_operand): Look into
21599 (and:DI () (const_int -8)).
21600 (split_small_symbolic_mem_operand): Split
21601 (mem (and:DI () (const_int -8)).
21602
21603 2002-01-16 Jakub Jelinek <jakub@redhat.com>
21604
21605 PR target/5309:
21606 * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
21607 same way as TYPE_IMUL.
21608 (ultrasparc_sched_reorder): Likewise.
21609 * config/sparc/sparc.md (type): Add comment to update
21610 ultrasparc_sched_reorder when making changes.
21611
21612 2002-01-16 Kazu Hirata <kazu@hxi.com>
21613
21614 * doc/invoke.texi: Change the dump file name of block
21615 reordering pass from 28.bbro to 29.bbro.
21616 Mention -dk option.
21617
21618 Wed Jan 16 17:54:22 CET 2002 Jan Hubicka <jh@suse.cz>
21619
21620 * i386.md (minsf splitter): Fix pasto.
21621
21622 2002-01-16 Nick Clifton <nickc@cambridge.redhat.com>
21623
21624 * config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note
21625 to frame pointer initialisation instruction.
21626 (thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
21627 initialisation instruction.
21628 (soft_df_operand): Do not accept the IP register.
21629 (nonimmediate_soft_df_operand): Do not accept the IP register.
21630
21631 2002-01-16 Jakub Jelinek <jakub@redhat.com>
21632
21633 PR target/5357:
21634 * config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
21635 MASK_V8 being both set.
21636
21637 2002-01-16 Ulrich Weigand <uweigand@de.ibm.com>
21638
21639 * config/s390/s390.c (s390_emit_prologue): Do not emit USE
21640 insn for GOT register; add REG_MAYBE_DEAD notes instead.
21641 config/s390/s390.md (call, call_value): Add GOT register to
21642 CALL_INSN_FUNCTION_USAGE where needed.
21643 (call_exp, call_value_exp): New.
21644
21645 2002-01-16 Nick Clifton <nickc@cambridge.redhat.com>
21646
21647 * config/arm/arm.c: General formatting tidy up.
21648
21649 2002-01-16 Graham Stott <grahams@redhat.com>
21650
21651 * calls.c (try_to_integrate): Use "(size_t)" intermediate
21652 cast and when casting an integer literal to "rtx" pointer.
21653 (expand_call): Likewise.
21654 * flow.c (try_pre_increment): Likewise.
21655 (find_use_as_address): Likewise.
21656 * integrate.c (expand_iline_function): Likewise.
21657 * regmove.c (try_auto_increment): Likewise.
21658
21659 2002-01-16 Graham Stott <grahams@redhat.com>
21660
21661 * sched-rgn.c (passed): Use sbitmap_free.
21662 (header): Likewise.
21663 (inner): Likewise.
21664 (in_queue): Likewise.
21665 (in_stack): Likewise.
21666
21667 2002-01-15 Eric Christopher <echristo@redhat.com>
21668
21669 * flow.c (propagate_one_insn): Change to use fatal_insn.
21670
21671 2002-01-15 Kazu Hirata <kazu@hxi.com>
21672
21673 * expmed.c (extract_fixed_bit_field): Remove unused code.
21674 * system.h: Poison SLOW_ZERO_EXTEND.
21675 * doc/tm.texi: Remove.
21676 * config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove.
21677 * config/arm/arm.h: Likewise.
21678 * config/avr/avr.h: Likewise.
21679 * config/clipper/clipper.h: Likewise.
21680 * config/convex/convex.h: Likewise.
21681 * config/d30v/d30v.h: Likewise.
21682 * config/dsp16xx/dsp16xx.h: Likewise.
21683 * config/elxsi/elxsi.h: Likewise.
21684 * config/fr30/fr30.h: Likewise.
21685 * config/h8300/h8300.h: Likewise.
21686 * config/i370/i370.h: Likewise.
21687 * config/i386/i386.h: Likewise.
21688 * config/m68k/m68k.h: Likewise.
21689 * config/mips/mips.h: Likewise.
21690 * config/ns32k/ns32k.h: Likewise.
21691 * config/pdp11/pdp11.h: Likewise.
21692 * config/pj/pj.h: Likewise.
21693 * config/s390/s390.h: Likewise.
21694 * config/sh/sh.h: Likewise.
21695 * config/stormy16/stormy16.h: Likewise.
21696 * config/v850/v850.h: Likewise.
21697 * config/vax/vax.h: Likewise.
21698 * config/we32k/we32k.h: Likewise.
21699
21700 2002-01-15 Aldy Hernandez <aldyh@redhat.com>
21701
21702 * config/rs6000/rs6000.md (altivec_stvx): Add parallels to stvx.
21703 (altivec_lvsl): Change constraint to b.
21704 (altivec_lvsr): Same.
21705 (altivec_lvebx): Same.
21706 (altivec_lvehx): Same.
21707 (altivec_lvewx): Same.
21708 (altivec_lvxl): Same.
21709 (altivec_lvx): Same.
21710 (altivec_stvx): Add parallel.
21711 (altivec_stvxl): Same.
21712 (altivec_stvehx): Same.
21713 (altivec_stvebx): Same.
21714 (altivec_stvebx): Same.
21715
21716 2002-01-15 Aldy Hernandez <aldyh@redhat.com>
21717
21718 * config.gcc: Change altivec.h to altivec-defs.h.
21719
21720 * config/rs6000/altivec.h: Delete.
21721
21722 * config/rs6000/altivec-defs.h: Add.
21723
21724 2002-01-15 John David Anglin <dave@hiauly1.hia.nrc.ca>
21725
21726 * vax.c (vax_rtx_cost): Return MAX_COST for unsupported MULT, UDIV
21727 and UMOD modes.
21728
21729 * vax.h (INDEX_TERM_P): Restrict indexing to modes which have a size
21730 less than or equal to eight bytes.
21731
21732 * vax.md (andsi3): Remove constraints and change SET destination
21733 operand type to nonimmediate_operand.
21734 (andhi3, andqi3): Likewise. Don't clear high order bits of operand 1
21735 when it is a CONST_INT.
21736
21737 2002-01-15 Jason Merrill <jason@redhat.com>
21738
21739 * c-common.def (FILE_STMT): New code.
21740 * c-common.c (statement_code_p): It's a statement.
21741 * c-common.h (stmt_tree_s): Add x_last_filename.
21742 (FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
21743 (last_expr_filename): New macro.
21744 * c-semantics.c (begin_stmt_tree): Initialize it.
21745 (add_stmt): If the filename changed, also insert a
21746 FILE_STMT.
21747 (expand_stmt): Handle seeing one.
21748
21749 2002-01-15 Eric Christopher <echristo@redhat.com>
21750
21751 * flow.c (propagate_one_insn): Add error message and print out
21752 insn for debugging.
21753
21754 2002-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
21755
21756 * system.h (ASM_IDENTIFY_GCC, STDC_VALUE, TRAMPOLINE_ALIGN,
21757 ASM_IDENTIFY_GCC_AFTER_SOURCE): Poison.
21758 * config/pdp11/pdp11.h (TRAMPOLINE_ALIGN): Rename to
21759 TRAMPOLINE_ALIGNMENT.
21760 * config/arm/arm.h, config/mcore/mcore.h: Likewise. Change value
21761 to be in bits.
21762 * config/i386/cygwin.h (PCC_BITFIELDS_TYPE_MATTERS): Rename to
21763 PCC_BITFIELD_TYPE_MATTERS.
21764 * config/interix.h (STDC_VALUE): Remove. Use
21765 STDC_0_IN_SYSTEM_HEADERS.
21766 * config/darwin.h (ASM_IDENTIFY_GCC), config/dsp16xx/dsp16xx.h
21767 (ASM_IDENTIFY_GCC), config/stormy16/stormy16.h (ASM_IDENTIFY_GCC,
21768 ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove.
21769
21770 2002-01-15 Craig Rodrigues <rodrigc@gcc.gnu.org>
21771
21772 * doc/install.texi (hppa*-hp-hpux11): --enable-threads does
21773 not work on this platform currently.
21774
21775 2002-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
21776
21777 * c-typeck.c (build_unary_op): Don't wrap msgid argument of
21778 readonly_warning in _().
21779
21780 2002-01-15 Douglas B Rupp <rupp@gnat.com>
21781
21782 * gcc.c (delete_if_ordinary): Backout previous change.
21783
21784 2002-01-15 Kazu Hirata <kazu@hxi.com>
21785
21786 * config/h8300/h8300.c (print_operand): Remove support for
21787 unused operand characters.
21788
21789 * read-rtl.c: Fix formatting.
21790 * real.c: Likewise.
21791 * recog.c: Likewise.
21792 * regclass.c: Likewise.
21793 * regmove.c: Likewise.
21794 * reg-stack.c: Likewise.
21795 * reload1.c: Likewise.
21796 * rtlanal.c: Likewise.
21797
21798 2002-01-15 Kazu Hirata <kazu@hxi.com>
21799
21800 * config/i386/i386.c: Fix formatting.
21801
21802 2002-01-15 Jakub Jelinek <jakub@redhat.com>
21803
21804 * c-typeck.c (process_init_element): Don't save_expr
21805 COMPOUND_LITERAL_EXPR if just its initializer will be used.
21806
21807 2002-01-15 David Edelsohn <edelsohn@gnu.org>
21808
21809 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Do not
21810 emit optional traceback table if optimize_size or TARGET_ELF.
21811 * config/rs6000/rs6000.md (prefetch): New.
21812
21813 2002-01-15 Andreas Jaeger <aj@suse.de>
21814
21815 * config.gcc (x86_64-*-*): Install mmintrin.h and xmmintrin.h.
21816
21817 2002-01-15 Kazu Hirata <kazu@hxi.com>
21818
21819 * mips-tfile.c: Fix formatting.
21820
21821 Tue Jan 15 00:56:11 CET 2002 Jan Hubicka <jh@suse.cz>
21822
21823 * unroll.c (final_reg_note_copy): Fix previous commit.
21824
21825 2002-01-14 Kazu Hirata <kazu@hxi.com>
21826
21827 * config/h8300/h8300-protos.h: Remove the prototype for
21828 eq_operator.
21829 * config/h8300/h8300.c (eq_operator): Remove.
21830
21831 2002-01-14 Richard Henderson <rth@redhat.com>
21832
21833 * config/i386/i386.md (prefetch): Tidy.
21834 (prefetch_3dnow): Fix locality operand.
21835
21836 2002-01-14 Richard Henderson <rth@redhat.com>
21837
21838 * config/mips/mips.h (HI_AND_FP_REGS): New register class.
21839 (CLASS_CANNOT_CHANGE_MODE): Disallow HI in little-endian mode.
21840
21841 2002-01-14 Hans-Peter Nilsson <hp@bitrange.com>
21842
21843 * reload1.c (reload_combine): Pass reg_sum replacement through
21844 copy_rtx in loop performing multiple changes.
21845
21846 2002-01-14 Jakub Jelinek <jakub@redhat.com>
21847
21848 * except.c (remove_unreachable_regions): New.
21849 (free_eh_status): Clear exception_handler_labels.
21850 (convert_from_eh_region_ranges): Call remove_unreachable_regions.
21851 (find_exception_handler_labels): Don't add the same label more than
21852 once.
21853 (remove_exception_handler_label): Don't die if
21854 find_exception_handler_labels hasn't been called for the current
21855 function yet.
21856
21857 Mon Jan 14 21:26:13 CET 2002 Jan Hubicka <jh@suse.cz>
21858
21859 * toplev.c (rest_of_compilation): Rebuild jump labels after
21860 gcse.
21861
21862 2002-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
21863
21864 * doc/extend.texi: Move documentation of X86 built-in functions
21865 here.
21866 * doc/invoke.texi: From here.
21867 * doc/sourcebuild.texi: Document location of documentation for
21868 machine built-in functions.
21869
21870 2002-01-13 Christopher Faylor <cgf@redhat.com>
21871
21872 * cppfiles.c (TEST_THRESHOLD): New macro.
21873 (SHOULD_MMAP): Ditto.
21874 (read_include_file): Use SHOULD_MMAP macro to decide when mmap should
21875 be used.
21876
21877 Mon Jan 14 20:23:34 CET 2002 Jan Hubicka <jh@suse.cz>
21878
21879 * unroll.c (final_reg_note_copy): Properly handle
21880 REG_LABEL
21881 (unroll_loops): Fix LOOP_CONDITION heuristics.
21882
21883 2002-01-14 Geoffrey Keating <geoffk@redhat.com>
21884
21885 * doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
21886 * doc/md.texi (Machine Constraints): Use @minus{} where appropriate.
21887
21888 Mon Jan 14 20:18:19 CET 2002 Jan Hubicka <jh@suse.cz>
21889
21890 * cfgcleanup.c (try_forward_edges): Avoid infinite loop at infinite
21891 threaded loop.
21892
21893 2002-01-14 Tom Rix <trix@redhat.com>
21894
21895 * config/rs6000/rs6000.md: Fix typo with sradi.
21896
21897 2002-01-14 Ulrich Weigand <uweigand@de.ibm.com>
21898
21899 * config/s390/s390.md (movstrdix_64, movstrsix_31, movstrdi_64,
21900 movstrsi_31, clrstrsi_64, clrstrsi_31): Improve RTL templates.
21901 (clrstrdi, clrstrsi): Adapt callers.
21902
21903 (extendsidi2, zero_extendsidi2): Remove no-conflict blocks.
21904
21905 (movti splitter): Never use register 0 as base register.
21906
21907 2002-01-14 Hartmut Penner <hpenner@de.ibm.com>
21908
21909 * combine.c (simplify_shift_const): Always generate new rtx
21910 for shift expression instead of reusing given expression.
21911
21912 Mon Jan 14 07:08:55 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21913
21914 * config/alpha/alpha.c (alpha_expand_mov): Don't call
21915 alpha_legitimize_address unless mode is Pmode.
21916
21917 2002-01-13 Geoffrey Keating <geoffk@redhat.com>
21918
21919 * doc/md.texi (Modifiers): Document the '*' constraint for the
21920 user.
21921
21922 * doc/md.texi (Machine Constraints): Add constraints for xstormy16.
21923 * doc/extend.texi (Function Attributes): 'interrupt' is valid
21924 for xstormy16 too.
21925
21926 2002-01-13 Richard Henderson <rth@redhat.com>
21927
21928 * reload.c (find_reloads): Use a hard reg destination as reload reg
21929 for an input reload of the source.
21930
21931 2002-01-13 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
21932
21933 * doc/install.texi (Binaries): Make link to ftp.writtenword.com
21934 more generic.
21935
21936 Sun Jan 13 07:23:01 2002 Douglas B Rupp <rupp@gnat.com>
21937
21938 * Makefile.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
21939 * mklibgcc.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
21940
21941 * config/alpha/x-vms (USE_COLLECT2): Set to empty.
21942
21943 Sun Jan 13 06:55:31 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21944
21945 * dwarf2out.c (mem_loc_descriptor, case ADDRESSOF): New case.
21946
21947 2002-01-12 Tom Rix <trix@redhat.com>
21948
21949 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Use ior for
21950 TARGET_POWERPC64.
21951
21952 2002-01-12 Richard Henderson <rth@redhat.com>
21953
21954 * config/i386/i386.c (bdesc_2arg): Mark psadbw MASK_3DNOW_A.
21955
21956 * doc/invoke.texi: Update Alpha options.
21957
21958 * doc/invoke.texi: Update i386 built-in function lists.
21959
21960 Sat Jan 12 17:38:11 CET 2002 Jan Hubicka <jh@suse.cz>
21961
21962 * unroll.c (final_reg_note_copy): Avoid crash on REG_LABEL note
21963 referencing outside.
21964
21965 Sat Jan 12 08:54:51 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21966
21967 * diagnostic.c (warn_deprecated_use): Rework to lower indentation.
21968 * expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for
21969 offsets, and change line folding.
21970 * optabs.c (expand_binop): Remove warnings.
21971 * sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning.
21972
21973 2002-01-12 Graham Stott <grahams@redhat.com>
21974
21975 * attribs.c (handle_deprecated_attribute): constify WHAT.
21976 * diagnostic.c (warn_deprecated_use): Add braces, fixes
21977 dangling else warning and constify WHAT.
21978 * except.h (struct function, struct inline_remap): Move
21979 struct tag forward defs before all prototypes.
21980 (duplicate_eh_regions): Whitespace.
21981
21982 2002-01-12 Nick Clifton <nickc@cambridge.redhat.com>
21983
21984 * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
21985 MODE_BASE_REG_CLASS.
21986 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use MODE_BASE_REG_CLASS.
21987
21988 2002-01-12 Richard Henderson <rth@redhat.com>
21989
21990 * config/i386/i386.c (override_options): If SSE, enable sse prefetch.
21991 (ix86_expand_vector_move): New.
21992 (bdesc_2arg): Remove andps, andnps, orps, xorps.
21993 (ix86_init_mmx_sse_builtins): Make static. Remove composite builtins.
21994 Remove old prefetch builtins. Special case the logicals removed above.
21995 (ix86_expand_builtin): Likewise.
21996 (safe_vector_operand): Use V4SFmode, not TImode.
21997 (ix86_expand_store_builtin): Remove shuffle arg. Update callers.
21998 (ix86_expand_timode_binop_builtin): New.
21999 * config/i386/i386-protos.h: Update.
22000 * config/i386/i386.h (enum ix86_builtins): Update.
22001 * config/i386/i386.md: Correct predicates on MMX/SSE patterns.
22002 Use ix86_expand_vector_move in vector move expanders.
22003 (movti_internal, movti_rex64): Add xorps alternative.
22004 (sse_clrv4sf): Rename and adjust from sse_clrti.
22005 (prefetch): Don't work so hard.
22006 (prefetch_sse, prefetch_3dnow): Use PREFETCH rtx, not UNSPEC.
22007 * config/i386/xmmintrin.h (__m128): Use V4SFmode.
22008 (_mm_getcsr, _mm_setcsr): Fix typo in builtin name.
22009
22010 2002-01-11 Richard Henderson <rth@redhat.com>
22011
22012 * config/i386/mmintrin.h: New file.
22013 * config/i386/xmmintrin.h: New file.
22014 * config.gcc (i?86-*-*): Add extra_headers.
22015 * simplify-rtx.c (simplify_unary_operation): Handle saturating
22016 truncation codes.
22017 (simplify_binary_operation): Handle saturating arithmetic codes.
22018 * config/i386/i386.c (ix86_expand_sse_comi): Return the full result,
22019 not the lowpart subreg.
22020 (ix86_expand_builtin): Return a TImode dummy register instead of 0
22021 on error.
22022 * config/i386/i386.md (mmx_clrdi): Override memory attribute.
22023
22024 2002-01-12 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22025
22026 * conflict.c (conflict_graph_compute): Free regsets when finished.
22027 * ssa.c (compute_coalesced_reg_partition): Likewise.
22028
22029 2002-01-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22030
22031 * global.c (find_reg): Check for HARD_REGNO_CALL_PART_CLOBBERED
22032 every where we allocate a register.
22033
22034 2002-01-12 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22035
22036 * gcse.c (compute_pre_data, pre_gcse): Use sbitmap_free.
22037 * lcm.c (compute_earliest, compute_farthest): Likewise.
22038
22039 2002-01-11 Janis Johnson <janis187@us.ibm.com>
22040
22041 * expr.c (expand_assignment): Fix misuse of MEM_KEEP_ALIAS_SET.
22042
22043 2002-01-11 Janis Johnson <janis187@us.ibm.com>
22044
22045 * doc/rtl.texi (Insns): Fix 2 typos.
22046
22047 2002-01-11 Joseph S. Myers <jsm28@cam.ac.uk>
22048
22049 * doc/invoke.texi: Avoid overfull hboxes. Add summary of D30V
22050 options. Use @table @gcctabopt for MMIX options. Add index
22051 entries for MMIX options. Start new paragraph with first
22052 heading of the machine-dependent options.
22053
22054 2002-01-11 Craig Rodrigues <rodrigc@gcc.gnu.org>
22055
22056 PR other/5299
22057 * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments.
22058 * combine.c (force_to_mode): Same.
22059 * reload1.c (clear_reload_reg_in_use): Same.
22060
22061 2002-01-11 Nick Clifton <nickc@cambridge.redhat.com>
22062
22063 * config/arm/arm.c (arm_gen_constant): Correct test of 'remainder'
22064 and 'subtargets'.
22065
22066 2002-01-11 Andreas Jaeger <aj@suse.de>,
22067 Brad Lucier <lucier@math.purdue.edu>
22068
22069 * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove wrong
22070 mcpu.
22071
22072 Fri Jan 11 07:35:12 2002 Douglas B Rupp <rupp@gnat.com>
22073
22074 * config/alpha/vms.h: (MD_FALLBACK_FRAME_STATE_FOR): Fix errors.
22075 Protect with IN_LIBGCC.
22076 (LINK_EH_SPEC): Add required trailing space.
22077
22078 Fri Jan 11 09:25:05 2002 Nicola Pero <n.pero@mi.flashnet.it>
22079
22080 * c-tree.h: Move function declarations so that they are listed
22081 under the filename which contains them.
22082 (check_identifier, finish_decl_top_level,
22083 lookup_name_current_level_global, shadow_record_fields): Remove.
22084
22085 2002-01-11 Andreas Jaeger <aj@suse.de>
22086
22087 * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove duplicated
22088 march.
22089
22090 2002-01-10 Richard Henderson <rth@redhat.com>
22091
22092 * config/alpha/alpha.c (print_operand): Add 'J'.
22093 * config/alpha/alpha.md (call_osf_1_er, call_value_osf_1_er): Take a
22094 new operand with the sequence number for the lituse. When splitting
22095 the insns, use gen_movdi_er_high_g and generate a sequence number.
22096 (gen_movdi_er_high_g): Print the sequence number if non-zero.
22097
22098 2002-01-10 Aldy Hernandez <aldyh@redhat.com>
22099
22100 * config/rs6000/rs6000.c (altivec_init_builtins): Add support for
22101 lvebx, lvehx, lvewx, lvxl, lvx, stvx, stvebx, stvehx, stvewx,
22102 stvxl.
22103 (altivec_expand_builtin): Same.
22104 (altivec_expand_stv_builtin): New.
22105
22106 * config/rs6000/rs6000.h (rs6000_builtins): Same.
22107
22108 * config/rs6000/rs6000.md ("altivec_lvebx"): New.
22109 ("altivec_lvehx"): New.
22110 ("altivec_lvewx"): New.
22111 ("altivec_lvxl"): New.
22112 ("altivec_lvx"): New.
22113 ("altivec_stvx"): New.
22114 ("altivec_stvebx"): New.
22115 ("altivec_stvehx"): New.
22116 ("altivec_stvewx"): New.
22117 ("altivec_stvxl"): New.
22118
22119 2002-01-10 Richard Henderson <rth@redhat.com>
22120
22121 * cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet.
22122 * reload1.c (delete_output_reload): Zap spill_reg_store. Take
22123 care not to delete instructions twice.
22124
22125 2002-01-10 Zack Weinberg <zack@codesourcery.com>
22126
22127 * toplev.c: Don't declare environ (it's not used anywhere).
22128 * configure.in: Don't check for declaration of environ.
22129 * config/i386/xm-mingw32.h: Don't #define environ.
22130 * config.in, configure: Regenerate.
22131
22132 2002-01-10 Zack Weinberg <zack@codesourcery.com>
22133
22134 * configure.in: Set stage1_cflags for powerpc-*-darwin*.
22135 * configure: Regenerate.
22136
22137 * config/interix.h: Set DO_GLOBAL_CTORS_BODY and
22138 DO_GLOBAL_DTORS_BODY here, not in xm-interix.h.
22139 * config/alpha/vms.h: Set INCLUDE_DEFAULTS here, not in
22140 alpha/xm-vms.h.
22141 * config/m68k/t-next: Set OTHER_FIXINCLUDES_DIRS and
22142 LIMITS_H_TEST here, not in m68k/x-next.
22143 * config/rs6000/beos.h: Set STANDARD_INCLUDE_DIR and
22144 SYSTEM_INCLUDE_DIR here, not in rs6000/xm-beos.h.
22145
22146 * config/x-interix: Don't set RANLIB, RANLIB_TEST, SHELL,
22147 LIBGCC2_INCLUDES, or SYSTEM_HEADER_DIR.
22148 * config/alpha/x-vms: Don't set USE_COLLECT2. Add comments.
22149
22150 * config/i386/x-djgpp: Renamed i386/t-djgpp.
22151 * config/m88k/x-dolph: Renamed m88k/t-dolph.
22152 * config/m88k/x-texXD88: Renamed m88k/t-texXD88.
22153 * config/pa/x-pa-mpeix: Renamed pa/t-mpeix. Update for
22154 replacement of quadlib.asm with quadlib.c.
22155
22156 * config/x-interix3, config/xm-interix.h, config/i386/x-beos,
22157 config/i386/xm-osf1elf.h, config/rs6000/x-darwin,
22158 config/rs6000/xm-beos.h: Delete file.
22159
22160 * config.gcc: Update to match above changes.
22161
22162 2002-01-10 Kazu Hirata <kazu@hxi.com>
22163
22164 * config/h8300/h8300.h: Fix comment typos.
22165 * config/h8300/h8300.md: Likewise.
22166 * config/h8300/lib1funcs.asm: Likewise.
22167
22168 2002-01-10 Dale Johannesen <dalej@apple.com>
22169
22170 PR optimization/5269
22171 * unroll.c (precondition_loop_p): Make *increment be the correct
22172 sign when n_iterations known, to avoid confusing caller.
22173
22174 2002-01-10 Kazu Hirata <kazu@hxi.com>
22175
22176 * doc/extend.texi (deprecated): Fix a typo.
22177
22178 Thu Jan 10 22:35:54 CET 2002 Jan Hubicka <jh@suse.cz>
22179
22180 * basic-block.h (update_br_prob_note): Declare.
22181 * cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note.
22182 (try_forward_edges): Care negative frequencies and update note.
22183 (outgoing_edges_match): Tweek conditional merging heuristics.
22184 (try_crossjump_to_edge): use update_br_prob_note.
22185 * cfglayout.c (fixup_reorder_chain): Likewise.
22186 * cfrtl.c (update_br_prob_note): New.
22187 * ifcvt.c (dead_or_predicable): Call update_br_prob_note.
22188
22189 * i386.c (ix86_decompose_address): Return -1 if address contains
22190 shift.
22191 (legitimate_address_p): Require ix86_decompose_address to return 1.
22192
22193 * gcse.c (hash_scan_set): Use CONSTANT_INSN_P.
22194 (cprop_insn): Likewise.
22195
22196 2002-01-10 Kazu Hirata <kazu@hxi.com>
22197
22198 * toplev.c: Fix formatting.
22199 * tree.c: Likewise.
22200 * tree-dump.c: Likewise.
22201 * unroll.c: Likewise.
22202 * unwind-dw2.c: Likewise.
22203 * unwind-dw2-fde.c: Likewise.
22204 * unwind-dw2-fde-glibc.c: Likewise.
22205 * unwind-sjlj.c: Likewise.
22206
22207 2002-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
22208
22209 * doc/invoke.texi: Document PDP-11 options.
22210
22211 2002-01-10 Kazu Hirata <kazu@hxi.com>
22212
22213 * config/h8300/h8300.h: Fix formatting.
22214
22215 2002-01-10 Ira Ruben <ira@apple.com>
22216
22217 Add __attribute__ ((deprecated)).
22218 * extend.texi: Document __attribute__ ((deprecated)).
22219 * invoke.texi: Document -Wno-deprecated-declarations.
22220 * testsuite/g++.dg/other/deprecated.C: New C++ test.
22221 * testsuite/gcc.dg/deprecated.c: New C test.
22222 * attribs.c (enum attrs): Declare handle_deprecated_attribute().
22223 (c_common_attribute_table): Add "deprecated" entry.
22224 (handle_deprecated_attribute): New function.
22225 * c-decl.c (deprecated_states): New enum.
22226 deprecated_state: State of "deprecated" handling.
22227 (start_decl): Set deprecated_state based on attributes.
22228 (grokdeclarator): Test for deprecated uses, propagate attribute.
22229 * c-typeck.c (build_component_ref): Test for deprecated fields.
22230 (build_external_ref): Test for deprecated primaries.
22231 * diagnostic.c (warn_deprecated_use) New function to issue
22232 warnings about __attribute__ ((depricated)) references.
22233 * flags.h (warn_deprecated_decl): Extern declared for
22234 -W[no-]deprecated-declarations option.
22235 * print-tree.c (print_node): Show deprecated flag status.
22236 * toplev.c (warn_deprecated_decl): Defined.
22237 (W_options): Added "deprecated-declaration".
22238 * toplev.h (warn_deprecated_use): Extern declared.
22239 * tree.h (struct tree_common): Define deprecated_flag.
22240 (TREE_DEPRECATED): New macro to access flag.
22241 * cp/call.c (build_call): Test for deprecated calls.
22242 * cp/class.c (add_implicitly_declared_members): Set global
22243 flag to tell grokdeclarator to not issue deprecated warnings.
22244 * cp/cp-tree.h: Add extern for adding_implicit_members.
22245 * cp/decl.c (deprecated_states): New enum.
22246 (start_decl): Set deprecated_state based on attributes.
22247 (grokdeclarator): Test for deprecated uses, propagate attribute.
22248 * cp/lex.c (do_identifier): Test for deprecated primaries.
22249 * cp/typeck.c (build_component_ref): Test for deprecated fields.
22250
22251 2002-01-10 Ira Ruben <ira@apple.com>
22252
22253 Fix to assign attributes to inline member functions.
22254 * cp/decl.c (start_method): Handle attrlist.
22255
22256 2002-01-10 Kazu Hirata <kazu@hxi.com>
22257
22258 * combine.c (expand_field_assignment): Use subreg_lsb().
22259
22260 2002-01-10 David Edelsohn <edelsohn@gnu.org>
22261
22262 * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
22263 POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
22264 (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
22265 Recurse for any operand of AND as long as constant is non-zero.
22266
22267 2002-01-10 Kazu Hirata <kazu@hxi.com>
22268
22269 * config/h8300/h8300.md: Remove constraints from expanders.
22270
22271 2002-01-10 Kazu Hirata <kazu@hxi.com>
22272
22273 * varasm.c: Fix formatting.
22274 * varray.c: Likewise.
22275 * vmsdbgout.c: Likewise.
22276 * xcoffout.c: Likewise.
22277
22278 Thu Jan 10 17:19:12 CET 2002 Jan Hubicka <jh@suse.cz>
22279
22280 * cfgcleanup.c (try_forward_edges): Properly initialize nthreaded_edges;
22281 update edge probabilities to match.
22282
22283 2002-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
22284
22285 * Makefile.in ($(docdir)/gccint.info, gccint.dvi): Add additional
22286 dependencies.
22287 * doc/languages.texi, doc/sourcebuild.texi: New files.
22288 * doc/configfiles.texi: Make a subsubsection. Update.
22289 * doc/configterms.texi: Add @node. Remove warning that this isn't
22290 instructions for building GCC.
22291 * doc/makefile.texi: Make a subsection.
22292 * doc/gccint.texi: Update.
22293
22294 Thu Jan 10 16:39:58 CET 2002 Jan Hubicka <jh@suse.cz>
22295
22296 * i386.md (sse_mov?fcc_const0_?): Fix constraints.
22297
22298 Thu Jan 10 12:45:50 2002 Nicola Pero <n.pero@mi.flashnet.it>
22299
22300 * doc/cpp.texi: Document the __OBJC__ preprocessor macro.
22301
22302 Thu Jan 10 11:19:18 CET 2002 Jan Hubicka <jh@suse.cz>
22303
22304 * optabs.c (expand_fix): Look for wider integer modes first.
22305
22306 * i386.md (mov?f): Avoid the fake const double trick for medium
22307 memory model.
22308 (min?f*/max?f*): Prohibit memory operands for i387 variant.
22309 (fop_df_4): Disable for SSE compilation.
22310
22311 2002-01-10 Graham Stott <grahams@redhat.com>
22312
22313 * dwarf2out.c (indirect_string_alloc, output_indirect_string):
22314 Move prototype into DWARF2_DEBUGGING_INFO conditional block.
22315
22316 2002-01-10 Richard Henderson <rth@redhat.com>
22317
22318 * config/alpha/alpha.md (extendsidi2_fix): Penalize f/f alternative.
22319
22320 2002-01-10 Richard Henderson <rth@redhat.com>
22321
22322 * regrename.c (find_oldest_value_reg): Fix typo in mode change check.
22323 (copyprop_hardreg_forward_1): Likewise. Use mode_change_ok.
22324
22325 2002-01-10 Kazu Hirata <kazu@hxi.com>
22326
22327 * combine.c (can_combine_p): Fix a comment typo.
22328
22329 2002-01-09 Zack Weinberg <zack@codesourcery.com>
22330
22331 * Makefile.in (s-gencheck, s-options, s-specs): Handle an
22332 empty list correctly. Change loop index $t to $f for
22333 consistency with rest of Makefile.
22334
22335 2002-01-08 Aldy Hernandez <aldyh@redhat.com>
22336
22337 * testuite/gcc.dg/altivec-4.c: Add test for mtvscr, dssall,
22338 mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.
22339
22340 * config/rs6000/rs6000.c (altivec_expand_builtin): Add support for
22341 mtvscr, dssall, mfvscr, dss, lvsl, lvsr, dstt, dst, dstst, dststt.
22342 (altivec_init_builtins): Same.
22343 (altivec_expand_unop_builtin): Return NULL_RTX on error.
22344 (altivec_expand_binop_builtin): Same.
22345 (altivec_expand_ternop_builtin): Same.
22346 (bdesc_dst): New.
22347
22348 * config/rs6000/rs6000.md ("altivec_mtvscr"): New.
22349 ("altivec_vctuxs"): Fix typo.
22350 ("altivec_vnmsubfp"): Same.
22351 ("altivec_dssall"): New.
22352 ("altivec_mfvscr"): New.
22353 ("altivec_dss"): New.
22354 ("altivec_lvsl"): New.
22355 ("altivec_lvsr"): New.
22356 ("altivec_dstt"): New.
22357 ("altivec_dstst"): New.
22358 ("altivec_dststt"): New.
22359 ("altivec_dst"): New.
22360
22361 * config/rs6000/rs6000.h (rs6000_builtins): Add mtvscr, dssall,
22362 mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.
22363
22364 2002-01-09 Richard Henderson <rth@redhat.com>
22365
22366 * config/alpha/alpha.md (prologue_mcount): Remove lituse_jsr reloc.
22367
22368 2002-01-10 Hans-Peter Nilsson <hp@bitrange.com>
22369
22370 * config/mmix/mmix.c (mmix_asm_identify_gcc): Remove unused
22371 function.
22372 * config/mmix/mmix-protos.h (mmix_asm_identify_gcc): Don't
22373 prototype.
22374 * config/mmix/mmix.h (ASM_IDENTIFY_GCC): Remove unused macro.
22375
22376 2002-01-09 Kazu Hirata <kazu@hxi.com>
22377
22378 * read-rtl.c: Fix formatting.
22379 * real.c: Likewise.
22380 * regclass.c: Likewise.
22381 * regrename.c: Likewise.
22382 * reg-stack.c: Likewise.
22383 * reload1.c: Likewise.
22384 * reload.c: Likewise.
22385 * rtl.c: Likewise.
22386
22387 2002-01-09 Kazu Hirata <kazu@hxi.com>
22388
22389 * rtlanal.c (find_reg_fusage): Use XEXP instead of SET_DEST
22390 to extract items in the expr_list chain.
22391
22392 2002-01-09 Richard Henderson <rth@redhat.com>
22393
22394 * config/vax/vax.c (vax_rtx_cost): Never abort.
22395
22396 * config/vax/vax.h (REAL_ARITHMETIC): Define.
22397
22398 2002-01-09 Jan Hubicka <jh@suse.cz>
22399
22400 * gcse.c (cprop_jump): Delete insn if simplified jump is no-op.
22401
22402 2002-01-09 Richard Henderson <rth@redhat.com>
22403
22404 * config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
22405 Unify code from various alternatives.
22406
22407 2002-01-09 Richard Henderson <rth@redhat.com>
22408
22409 * regrename.c (copy_value): Ignore the copy if the source register
22410 is present in the value chain with a narrower mode.
22411
22412 2002-01-09 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22413
22414 * real.c (c4xtoe, toc4x): Do some special conversion on long doubles
22415 for the c4x target. Also improve layout.
22416
22417 2002-01-09 Richard Henderson <rth@redhat.com>
22418
22419 * config/m32r/m32r.c (move_src_operand): Fix 32-bit int test.
22420 * config/m32r/m32r.md (and ior xor splitters): Swap operands
22421 to match insn patterns.
22422
22423 2002-01-09 Richard Henderson <rth@redhat.com>
22424
22425 * regrename.c (find_oldest_value_reg): Use gen_rtx_raw_REG.
22426 (copyprop_hardreg_forward_1): Likewise.
22427
22428 2002-01-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
22429
22430 * pa.md (decrement_and_branch_until_zero): Change predicate for
22431 operand 0 from register_operand to reg_or_nonsymb_mem_operand.
22432
22433 2002-01-09 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
22434
22435 * ginclude/stddef.h: Define _BSD_WCHAR_T_DEFINED_ if _BSD_WCHAR_T_
22436 gets undefined. For Darwin.
22437
22438 2002-01-09 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22439
22440 * config/c4x/c4x.h: Use PUSH_ARGS and PUSH_ROUNDING for stack passing.
22441
22442 2002-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22443
22444 * config/c4x/c4x/md: Remove extraneous constraints from define_splits.
22445
22446 2002-01-08 Richard Henderson <rth@redhat.com>
22447
22448 * regrename.c (copy_value): Ignore overlapping copies.
22449
22450 2002-01-08 Richard Henderson <rth@redhat.com>
22451
22452 * config/alpha/alpha.c (alpha_split_conditional_move): Call copy_rtx
22453 as needed to avoid shared structure.
22454
22455 2002-01-08 Kazu Hirata <kazu@hxi.com>
22456
22457 * config/h8300/h8300.c (get_shift_alg): Fix 15-bit LSHIFTRT on
22458 H8/300H and H8/S.
22459
22460 2002-01-08 Joseph S. Myers <jsm28@cam.ac.uk>
22461
22462 * doc/tm.texi (EASY_DIV_EXPR, IMPLICIT_FIX_EXPR,
22463 LONGJMP_RESTORE_FROM_STACK, MAX_INT_TYPE_SIZE): Remove
22464 documentation of obsolete macros.
22465 * system.h: Poison these macros.
22466 * config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
22467 config/arc/arc.h, config/arm/arm.h, config/avr/avr.h,
22468 config/c4x/c4x.h, config/clipper/clipper.h,
22469 config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h,
22470 config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
22471 config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
22472 config/i386/i386.h, config/i860/i860.h, config/i960/i960.h,
22473 config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
22474 config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
22475 config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
22476 config/mn10300/mn10300.h, config/ns32k/ns32k.h, config/pa/pa.h,
22477 config/pdp11/pdp11.h, config/pj/pj.h, config/romp/romp.h,
22478 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
22479 config/sparc/sparc.h, config/stormy16/stormy16.h,
22480 config/v850/v850.h, config/vax/vax.h, config/we32k/we32k.h: Remove
22481 definitions and commented out definitions of obsolete macros.
22482 * config/mips/iris5.h (MAX_WCHAR_TYPE_SIZE): Don't define in terms
22483 of MAX_INT_TYPE_SIZE.
22484
22485 2002-01-08 Ulrich Weigand <uweigand@de.ibm.com>
22486
22487 * config/s390/s390.c (s390_preferred_reload_class): Never
22488 return ADDR_REGS if it isn't a subset of the given class.
22489 * config/s390/s390.h (REGISTER_MOVE_COST): Penalize not just
22490 FP_REGS, but all superclasses as well.
22491
22492 * config/s390/s390.c (s390_function_profiler): Fix thinko.
22493
22494 * config/s390/s390.md (cmpdi_ccu_mem, cmpsi_ccu_mem,
22495 cmphi_ccu_mem, cmpqi_ccu_mem): First operand of compare
22496 must not be a const_int.
22497
22498 2002-01-08 Richard Henderson <rth@redhat.com>
22499
22500 * Makefile.in (toplev.o): Depend on options.h.
22501 (gcc.o): Depend on specs.h.
22502
22503 2002-01-08 Jakub Jelinek <jakub@redhat.com>
22504
22505 * expr.c (store_expr): Convert VOIDmode constants back to target's
22506 mode.
22507
22508 2002-01-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22509
22510 * doc/invoke.texi: Markup gcc as @command. Refer to
22511 http://gcc.gnu.org/onlinedocs/gcc/Contributors.html instead
22512 of http://gcc.gnu.org/thanks.html.
22513
22514 2002-01-08 Dale Johannesen <dalej@apple.com>
22515
22516 * config/rs6000/rs6000.md: Add missing int register
22517 target case to movdf_low.
22518
22519 2002-01-08 Zack Weinberg <zack@codesourcery.com>
22520
22521 * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or
22522 except.h. Remove commands to define USING_SJLJ_EXCEPTIONS.
22523 (cppinit.o): Depend on except.h.
22524 (gencheck.h, options.h, specs.h, s-gencheck, s-options,
22525 s-specs): New rules.
22526
22527 * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION.
22528 Don't create specs.h/options.h/gencheck.h here. Remove
22529 unnecessary variable settings from last argument of AC_OUTPUT.
22530 * config.in, configure: Regenerate.
22531 * intl.c: Hardcode package name as "gcc".
22532
22533 * cppinit.c: Include except.h.
22534 (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when
22535 appropriate.
22536 * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c:
22537 Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if
22538 (!)USING_SJLJ_EXCEPTIONS.
22539 * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__.
22540
22541 2002-01-08 Joseph S. Myers <jsm28@cam.ac.uk>
22542
22543 * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END,
22544 ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP,
22545 OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove
22546 documentation of obsolete macros.
22547 * system.h: Poison these macros.
22548 * config/d30v/d30v.h, config/ns32k/encore.h,
22549 config/stormy16/stormy16.h: Remove definitions and commented out
22550 definitions of obsolete macros.
22551
22552 Tue Jan 8 15:56:41 2002 Nicola Pero <nicola@brainstorm.co.uk>
22553
22554 * objc/objc-act.c (handle_class_ref): Mark the declaration of
22555 %sobjc_class_ref_%s as used - to prevent unwanted compiler
22556 warnings.
22557
22558 2002-01-08 Ulrich Weigand <uweigand@de.ibm.com>
22559
22560 * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove.
22561 * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR
22562 to insn adjusting stack/frame pointer.
22563 * config/s390/s390.md (reload_la_64, reload_la_31): Do not
22564 accept operands that cause the insn to be non-splittable.
22565
22566 2002-01-08 Graham Stott <grahams@redhat.com>
22567
22568 * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter.
22569 (C_TYPE_FIELDS_VOLATILE): Likewise.
22570 (C_TYPE_BEING_DEFINED): Likewise.
22571 (C_IS_RESERVED_WORD): Likewise.
22572 (C_TYPE_VARIABLE_SIZE): Likewise.
22573 (C_DECL_VARIABLE_SIZE): Likewise.
22574 (C_MISSING_PROTOTYPE_WARNED): Likewise.
22575 (C_SET_EXP_ORIGINAL_CODE): Likewise.
22576 (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove
22577 parenthesis.
22578 (C_DECL_ANTICIPATED): Likewise.
22579 (c_build_type_variant): Add parenthesis.
22580
22581 2002-01-08 Joseph S. Myers <jsm28@cam.ac.uk>
22582
22583 * gcc.c (option_map): Remove --version.
22584 (process_command): Handle -fversion following the GNU Coding
22585 Standards. Partially addresses PR other/704.
22586
22587 2002-01-08 Graham Stott <grahams@redhat.com>
22588
22589 * combine.c (combine_instructions): Fix typo.
22590
22591 2002-01-08 Graham Stott <grahams@redhat.com>
22592
22593 * debug.h: Use "tree" and "rtx" throughout.
22594
22595 * debug.c: Likewise.
22596
22597 2002-01-08 Nick Clifton <nickc@cambridge.redhat.com>
22598
22599 * dbxout.c (dbxout_symbol_location): If a symbol ref is in the
22600 constant pool, use the pool's version of the symbol instead.
22601
22602 2002-01-07 Richard Henderson <rth@redhat.com>
22603
22604 * regrename.c (find_oldest_value_reg): Ignore the value chain if
22605 the original register was copied in a mode with a fewer number of
22606 hard registers than the desired mode.
22607 (copyprop_hardreg_forward_1): Likewise.
22608 (debug_value_data): Fix loop test.
22609 * toplev.c (parse_options_and_default_flags): Reenable
22610 -fcprop-registers at -O1.
22611
22612 2002-01-07 Aldy Hernandez <aldyh@redhat.com>
22613
22614 * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
22615 (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.
22616
22617 * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
22618 predicates.
22619
22620 * config/rs6000/rs6000.md: Add altivec predicate patterns.
22621
22622 2002-01-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
22623
22624 * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
22625 (pa_output_function_prologue): Output local label at the beginning of
22626 the prologue when profiling.
22627 (hppa_profile_hook): Use the local label rather than the function label.
22628 * pa.h (PROFILE_BEFORE_PROLOGUE): Define.
22629
22630 2002-01-07 Aldy Hernandez <aldyh@redhat.com>
22631
22632 * config/rs6000/rs6000.c (print_operand): Remove extra space.
22633 (altivec_expand_unop_builtin): Fix thinko.
22634 (altivec_expand_binop_builtin): Same.
22635 (altivec_expand_ternop_builtin): Same.
22636 (altivec_expand_builtin): Same.
22637
22638 2002-01-07 Richard Henderson <rth@redhat.com>
22639
22640 * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.
22641
22642 2002-01-07 Jason Merrill <jason@redhat.com>
22643
22644 * unwind-dw2.c (execute_cfa_program): Use < again.
22645
22646 2002-01-07 Jakub Jelinek <jakub@redhat.com>
22647
22648 * predict.c (combine_predictions_for_insn): Avoid division by zero.
22649
22650 2002-01-07 Jakub Jelinek <jakub@redhat.com>
22651
22652 * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
22653 Don't allow -1 - x -> ~x simplifications in the first pass.
22654
22655 2002-01-07 Aldy Hernandez <aldyh@redhat.com>
22656
22657 * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
22658 arguments.
22659 (altivec_expand_binop_builtin): Same.
22660 (altivec_expand_unop_builtin): Same.
22661 (print_operand): Fix typo.
22662 (bdesc_1arg): Add vupk* variants.
22663
22664 * rs6000.h (rs6000_builtins): Add vupk* enums.
22665
22666 * rs6000.md: Add altivec_vupk* variants.
22667
22668 2002-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
22669
22670 * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
22671 doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
22672 and last update dates.
22673
22674 2002-01-07 Janis Johnson <janis187@us.ibm.com>
22675
22676 * doc/rtl.texi (Flags): Clean up documentation of RTL flags
22677
22678 2002-01-07 Marek Michalkiewicz <marekm@amelek.gda.pl>
22679
22680 * config/avr/avr.c (avr_mcu_types): Add new MCU types.
22681 * config/avr/avr.h (CPP_SPEC): Likewise.
22682 (LINK_SPEC): Likewise.
22683 (CRT_BINUTILS_SPECS): Likewise.
22684 * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
22685 * doc/invoke.texi (AVR Options): Document them.
22686
22687 Mon Jan 7 11:59:34 CET 2002 Jan Hubicka <jh@suse.cz>
22688
22689 * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
22690 LABEL_NUSES.
22691
22692 2002-01-07 Graham Stott <grahams@redhat.com>
22693
22694 * config/i386/i386.h: Update copyright date.
22695 (HALF_PIC_PTR): Add parenthesis.
22696 (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
22697 (CONSTANT_ALIGNMENT): Add parenthesis.
22698 (DATA_ALIGNMENT): Likewise.
22699 (LOCAL_ALIGNMENT): Likewise.
22700 (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
22701 (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
22702 (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
22703 (HARD_REGNO_NREGS): Add paranethesis.
22704 (VALID_SSE_REG_MODE): Whitespace.
22705 (VALID_MMX_REG_MODE): Whitespace.
22706 (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
22707 (ix86_hard_regno_mode_ok): Add parenthesis.
22708 (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
22709 (RETURN_IN_MEMORY): Whitespace.
22710 (N_REG_CLASSES): Add parenthesis.
22711 (INTEGER_CLASS_P): Add parenthesis and wrap.
22712 (FLOAT_CLASS_P): Likewise.
22713 (SSE_CLASS_P): Likewise.
22714 (MMX_CLASS_P): Likewise.
22715 (MAYBE_INTEGER_CLASS_P): Likewise.
22716 (MAYBE_FLOAT_CLASS_P): Likewise.
22717 (MAYBE_SSE_CLASS_P): Likewise.
22718 (MAYBE_MMX_CLASS_P): Likewise.
22719 (Q_CLASS_P): Likewise.
22720 (GENERAL_REGNO_P): Uppercase macro parameter.
22721 (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
22722 (FP_REGNO_P): Likewise.
22723 (ANY_FP_REGNO_P): Uppercase macro parameter.
22724 (SSE_REGNO_P): Likewise.
22725 (SSE_REGNO): Likewise.
22726 (SSE_REG_P): Likewise.
22727 (SSE_FLOAT_MODE_P): Likewise.
22728 (MMX_REGNO_P): Likewise.
22729 (MMX_REG_P):Likewise.
22730 (STACK_REG_P): Likewise.
22731 (NON_STACK_REG_P): Likewise.
22732 (STACK_TOP_P): Likewise.
22733 (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
22734 (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
22735 (SECONDARY_MEMORY_NEEDED): Likewise.
22736 (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
22737 (MD_ASM_CLOBBERS): Whitespace and wrap.
22738 (MUST_PASS_IN_STACK): Whitespace and wrap.
22739 (RETURN_POPS_ARGS): Add parenthesis.
22740 (INIT_CUMULATIVE_ARGS): Likewise.
22741 (FUNCTION_ARG): Likewise.
22742 (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
22743 (SETUP_INCOMING_VARARGS): Likewise.
22744 (BUILD_VA_LIST_TYPE): Add parenthesis.
22745 (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
22746 parenthsis.
22747 (EXPAND_BUILTIN_VA_ARG): Likewise.
22748 (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
22749 (INITIALIZE_TRAMPOLINE): Add parenthesis.
22750 (INITIAL_ELIMINATION_OFFSET): Likewise.
22751 (REGNO_OK_FOR_INDEX_P): Add parenthesis.
22752 (REGNO_OK_FOR_BASE_P): Likewise.
22753 (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
22754 (REGNO_OK_FOR_DIREG_P): Likewise.
22755 (REG_OK_FOR_INDEX_P): Whitespace.
22756 (REG_OK_FOR_BASE_P): Whitespace.
22757 (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
22758 parenthesis.
22759 (FIND_BASE_TERM): Fix typo.
22760 (LEGITIMIZE_ADDRESS): Wrap in { .. } while (0) and add parenthesis.
22761 (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
22762 (SYMBOLIC_CONST; Whitespace.
22763 (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in { .. } while (0) and wrap.
22764 (ENCODE_SECTION_INFO): Whitespace.
22765 (FINALIZE_PIC): Remove do { ... } while (0).
22766 (PROMOTE_MODE): Wrap in do { ... } while (0).
22767 (CONST_COSTS): Whitespace.
22768 (RTX_COSTS): Add paramethesis, whitespace and wrap.
22769 (REGISTER_MOVE_COST): Add parenthesis.
22770 (MEMORY_MOVE_COST): Likewise.
22771 (EXTRA_CC_MODES): Whitespace.
22772 (SELECT_CC_MODE): Add parenthesis and whitespace.
22773 (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
22774 (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
22775 (ASM_OUTPUT_LABEL): Add paramethesis.
22776 (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
22777 (ASM_OUTPUT_REG_POP): Likewise.
22778 (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
22779 (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
22780
22781 * config/i386/i386.c: Update copyright.
22782 (CHECK_STACK_LIMIT): Add parenthesis.
22783 (AT_BP): Uppercase macro parameter.
22784 (x86_64_int_parameter_registers): Constify.
22785 (x86_64_int_return_registers): Likewise.
22786 (ix86_compare_op0): Use rtx.
22787 (construct_container): Constify INTREG parameter.
22788 (function_arg): Use rtx.
22789
22790 * diagnostic.h: Update copyright date.
22791 (output_buffer_state): Add parenthesis.
22792 (output_buffer_format_args): Likewise.
22793
22794 * combine.c (combine_instructions): Replace XEXP (links, 0)
22795 with link.
22796
22797 2002-01-06 H.J. Lu <hjl@gnu.org>
22798
22799 * cfgcleanup.c (thread_jump): Fix 2 typos.
22800
22801 2002-01-06 Aldy Hernandez <aldyh@redhat.com>
22802
22803 * config.gcc: Add support for --enable-altivec.
22804
22805 2002-01-06 Craig Rodrigues <rodrigc@gcc.gnu.org>
22806
22807 * emit-rtl.c (gen_highpart): Add check for NULL_RTX.
22808
22809 2002-01-06 Jakub Jelinek <jakub@redhat.com>
22810
22811 * objc/objc-act.c (handle_impent): Use assemble_variable to emit
22812 __objc_class_name_*.
22813
22814 2002-01-06 Craig Rodrigues <rodrigc@gcc.gnu.org>
22815
22816 * doc/install.texi (sparcv9-*-solaris2*): Add documentation.
22817
22818 2002-01-06 Richard Henderson <rth@redhat.com>
22819
22820 * reorg.c (emit_delay_sequence): Remove death notes, not merely
22821 nop them out. Increment label reference count for REG_LABEL.
22822 (fill_slots_from_thread): Frob label reference count around
22823 delete_related_insns.
22824
22825 2002-01-05 Richard Henderson <rth@redhat.com>
22826
22827 * cfgcleanup.c (try_forward_edges): Detect infinite loops while
22828 jump threading.
22829
22830 2002-01-05 Richard Henderson <rth@redhat.com>
22831
22832 * c-decl.c (c_expand_body): Don't call outlining_inline_function.
22833 * integrate.c (output_inline_function): Likewise.
22834 * toplev.c (rest_of_compilation): Do it here instead. Move call
22835 to remove_unnecessary_notes after emitting abstract instance.
22836 Force an emitted nested function to have its parent emited as well.
22837 * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
22838 for null.
22839 (rtl_for_decl_location): Do not look at reload data structures
22840 before reload has run.
22841
22842 2002-01-05 Kazu Hirata <kazu@hxi.com>
22843
22844 * cse.c: Fix formatting.
22845 * dwarf2asm.c: Likewise.
22846 * dwarf2out.c: Likewise.
22847 * explow.c: Likewise.
22848 * expmed.c: Likewise.
22849 * function.c: Likewise.
22850 * gcov.c: Likewise.
22851 * gencheck.c: Likewise.
22852 * genrecog.c: Likewise.
22853 * ggc-common.c: Likewise.
22854 * ggc-page.c: Likewise.
22855 * global.c: Likewise.
22856
22857 2002-01-05 Kazu Hirata <kazu@hxi.com>
22858
22859 * combine.c: Fix formatting.
22860
22861 2002-01-05 Craig Rodrigues <crodrigu@bbn.com>
22862
22863 PR middle-end/1557
22864 * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.
22865
22866 2002-01-05 David Edelsohn <edelsohn@gnu.org>
22867
22868 * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
22869 as 1 for __powerpc64__ as well.
22870
22871 * config/rs6000/t-aix43 (T_ADAFLAGS): Define.
22872
22873 * alias.c (find_base_value, PLUS/MINUS): If we found a base,
22874 return it.
22875
22876 2002-01-05 Daniel Berlin <dan@dberlin.org>
22877
22878 * lcm.c: Revert change, due to performance regression it causes on
22879 SPEC because it's slightly more conservative (sigh, I hate
22880 edge-based LCM).
22881
22882 Sat Jan 5 11:52:05 CET 2002 Jan Hubicka <jh@suse.cz>
22883
22884 * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.
22885
22886 2002-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
22887
22888 * doc/cppinternals.texi: Update.
22889
22890 2002-01-05 Hans-Peter Nilsson <hp@bitrange.com>
22891
22892 * doc/invoke.texi (Option Summary) <MMIX Options>: Document
22893 -mbranch-predict, -mreg-stack-fill-bug-workaround and their
22894 negatives.
22895 (MMIX Options): Ditto. Fix item/itemx typo for -mno-zero-extend.
22896 * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
22897 kludge for pre-october-14th mmix versions to handle new-found bug
22898 with PUSHJ/PUSHGO and the register stack.
22899 * config/mmix/mmix.h (struct machine_function): Rename member
22900 has_call_value_without_parameters to has_call_without_parameters.
22901 All referers changed.
22902 (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
22903 TARGET_MASK_BRANCH_PREDICT): New macros.
22904 (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
22905 -mno-reg-stack-fill-bug-workaround.
22906 * config/mmix/mmix.md ("call"): Set struct machine member
22907 has_call_without_parameters.
22908
22909 Sat Jan 5 02:20:22 CET 2002 Jan Hubicka <jh@suse.cz>
22910
22911 * cfgcleanup.c (thread_jump): Fix handling of reversed branches.
22912
22913 Sat Jan 5 01:35:29 CET 2002 Jan Hubicka <jh@suse.cz>
22914
22915 * cfgcleanup.c: Include tm_p.h
22916 (mark_effect): Fix handling of hard register; fix handling of SET
22917
22918 2002-01-04 Kazu Hirata <kazu@hxi.com>
22919
22920 * config/h8300/h8300.md (anonymous patterns): Check that
22921 operands are registers before using REGNO on them.
22922
22923 2002-01-03 Roland McGrath <roland@frob.com>
22924
22925 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.
22926
22927 2002-01-04 Jakub Jelinek <jakub@redhat.com>
22928
22929 * tree.h (expand_expr_stmt_value): Add maybe_last argument.
22930 * c-common.h (genrtl_expr_stmt_value): Likewise.
22931 * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
22932 (expand_expr_stmt_value): Add maybe_last argument.
22933 Don't warn about statement with no effect if it is the last statement
22934 in expression statement.
22935 * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
22936 (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
22937 expand_expr_stmt_value.
22938 (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
22939 genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
22940 * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
22941 as maybe_last to expand_expr_stmt_value.
22942
22943 Fri Jan 4 11:45:05 2002 Jeffrey A Law (law@redhat.com)
22944
22945 * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
22946 be passed in, do not build it.
22947 (c_begin_if_stmt): New function.
22948 (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
22949 * c-common.h (c_expand_start_cond): Update prototype.
22950 (c_begin_if_stmt): Prototype new function.
22951 (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
22952 * c-parse.in (if_prefix): Use c_begin_if_stmt,
22953 c_begin_while_stmt and c_finish_while_stmt_cond.
22954
22955 2002-01-04 William Cohen <wcohen@redhat.com>
22956
22957 * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
22958 * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
22959 * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
22960 * config/pa/som.h (ASM_FILE_START): Likewise.
22961
22962 2002-01-04 Daniel Berlin <dan@cgsoftware.com>
22963
22964 * lcm.c: Include df.h.
22965 Add available_transfer_function prototype.
22966 (compute_available): Rework to use iterative dataflow framework.
22967 (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
22968 with bb_info in df.h
22969 (available_transfer_function): New function.
22970
22971 * Makefile.in (lcm.o): add df.h to dependencies.
22972
22973 2002-01-04 Richard Henderson <rth@redhat.com>
22974
22975 * config/alpha/alpha.c (some_operand): Accept HIGH.
22976 (input_operand): Likewise; accept simple references to globals.
22977 (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
22978 (alpha_const_double_ok_for_letter_p): Likewise.
22979 (alpha_extra_constraint): Likewise.
22980 (alpha_preferred_reload_class): Likewise. Do not force
22981 symbolic constants to memory.
22982 (alpha_legitimate_address_p): Accept simple references
22983 to small_symbolic_operand.
22984 (alpha_legitimize_address): New arg scratch. Be prepared to be
22985 called when no_new_pseudos. Emit simple symbolic references.
22986 Split integers into low, high, and rest.
22987 (alpha_expand_mov): Use alpha_legitimize_address.
22988 (some_small_symbolic_mem_operand): New.
22989 (split_small_symbolic_mem_operand): New.
22990 * config/alpha/alpha-protos.h: Update.
22991 * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
22992 (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
22993 (EXTRA_CONSTRAINT): Likewise.
22994 (PREFERRED_RELOAD_CLASS): Likewise.
22995 (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
22996 (PREDICATE_CODES): Update.
22997 * config/alpha/alpha.md: New post-reload splitters to convert
22998 simplfied symbolic operands to the form that references $29.
22999 (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
23000 (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.
23001
23002 2002-01-03 Richard Henderson <rth@redhat.com>
23003
23004 * local-alloc.c (function_invariant_p): Update commentary.
23005
23006 2002-01-04 H.J. Lu <hjl@gnu.org>
23007
23008 * toplev.c (rest_of_compilation): Fix a typo when calling
23009 cleanup_cfg.
23010
23011 2002-01-03 Kazu Hirata <kazu@hxi.com>
23012
23013 * c-common.c: Fix formatting.
23014 * diagnostic.c: Likewise.
23015 * doloop.c: Likewise.
23016 * dwarf2out.c: Likewise.
23017
23018 2002-01-03 Kazu Hirata <kazu@hxi.com>
23019
23020 * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
23021 of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.
23022
23023 2002-01-03 Neil Booth <neil@daikokuya.demon.co.uk>
23024
23025 * cpperror.c: Update comments and copyright.
23026 * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
23027 cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.
23028
23029 2002-01-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
23030
23031 * collect2.c (main): Use strcmp when testing for "-shared".
23032
23033 2002-01-03 Neil Booth <neil@daikokuya.demon.co.uk>
23034
23035 * cppmacro.c: Don't include intl.h. Update comments.
23036 (new_number_token): Allocate enough buffer for 64-bit unsigned
23037 integers; update prototype.
23038 * cppmain.c: Update comments.
23039
23040 2002-01-03 William Cohen <wcohen@redhat.com>
23041
23042 * function.h (struct function): Add profile.
23043 (current_function_profile): New.
23044 doc/extend.texi: Update documentation.
23045 * final.c (final_start_function): Use current_function_profile
23046 instead of profile_flag.
23047 (profile_after_prologue): Likewise.
23048 * function.c (expand_function_start): Likewise.
23049 (expand_function_start): Likewise.
23050 * config/alpha/alpha.c (direct_call_operand):
23051 (alpha_does_function_need_gp): Likewise.
23052 (alpha_expand_prologue): Likewise.
23053 * config/arm/arm.c (arm_expand_prologue): Likewise.
23054 thumb_expand_prologue: Likewise.
23055 * config/d30v/d30v.c (d30v_stack_info): Likewise.
23056 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
23057 (fr30_expand_prologue): Likewise.
23058 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
23059 * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
23060 * config/i386/i386.h (FINALIZE_PIC): Likewise.
23061 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23062 * config/i960/i960.c (i960_output_function_prologue): Likewise.
23063 * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
23064 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
23065 (m32r_expand_prologue): Likewise.
23066 * config/m88k/m88k.c (m88k_layout_frame): Likewise.
23067 (m88k_expand_prologue): Likewise.
23068 * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
23069 * config/mips/mips.c (compute_frame_size): Likewise.
23070 (mips_expand_prologue): Likewise.
23071 (mips_can_use_return_insn): Likewise.
23072 * config/pa/elf.h (ASM_FILE_START): Likewise.
23073 * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
23074 * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
23075 * config/pa/som.h (ASM_FILE_START): Likewise.
23076 * config/romp/romp.c (romp_using_r14): Likewise.
23077 * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
23078 (rs6000_stack_info): Likewise.
23079 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23080 * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
23081 * config/v850/v850.c (compute_register_save_size): Likewise.
23082
23083 2002-01-03 Jakub Jelinek <jakub@redhat.com>
23084
23085 * simplify-rtx.c (simplify_binary_operation) [DIV]: If
23086 gen_lowpart_common fails, use gen_lowpart_SUBREG.
23087
23088 2002-01-03 Turly O'Connor <turly@apple.com>
23089
23090 * darwin.c (machopic_output_possible_stub_label): Don't generate
23091 stub routines for pseudo-stubs which we've just defined.
23092
23093 2002-01-03 Kazu Hirata <kazu@hxi.com>
23094
23095 * builtins.c: Fix formatting.
23096 * c-typeck.c: Likewise.
23097 * combine.c: Likewise.
23098 * expr.c: Likewise.
23099 * loop.c: Likewise.
23100
23101 2002-01-03 Andreas Schwab <schwab@suse.de>
23102
23103 * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
23104 and return true if _cpp_push_next_buffer pushed a new include
23105 file.
23106 * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
23107 _cpp_pop_file_buffer did not push a new file.
23108 * cpphash.h (_cpp_pop_file_buffer): Update declaration.
23109
23110 2002-01-02 Eric Christopher <echristo@redhat.com>
23111
23112 * final.c (final_scan_insn): Change 0 -> NULL_RTX in
23113 FIND_REG_INC_NOTE call. Update copyright.
23114 * loop.c (canonicalize_condition): Ditto.
23115 * reorg.c (delete_scheduled_jump): Ditto.
23116
23117 2002-01-03 Kazu Hirata <kazu@hxi.com>
23118
23119 * gcse.c: Fix formatting.
23120
23121 2002-01-03 Graham Stott <grahams@redhat.com>
23122
23123 * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
23124 forward defs for struct tags rtx_def, union_tree, rtvec_def
23125 also output corresponding typedefs for rtx, tree, and rtvec.
23126
23127 * system.h: Move forward defs for struct tags rtx_def, union_tree,
23128 rtvec_def along with corresponding typedefs for rtx, tree, and
23129 rtvec to config.h, hconfig.h, tconfig.h.
23130
23131 2002-01-03 Graham Stott <grahams@redhat.com>
23132
23133 * tree.h: Update copyright date.
23134 (IS_EXPR_CODE_CLASS): Add parenthesis.
23135 (TREE_SET_CODE): Add whitespace.
23136 (TREE_CHECK): Add parenthesis.
23137 (TREE_CLASS_CODE): Add parenthesis and wrap long line.
23138 (CST_OR_CONSTRUCTOR_CHECK):
23139 (EXPR_CHECK): Add parenthis, whitespace and wrap line.
23140 (TREE_SYMBOL_REFERENCED): Whitespace.
23141 (INT_CST_LT): Likewise.
23142 (INT_CST_LT_UNSIGNED): Likewise.
23143 (tree_real_cst): Unwrap comment.
23144 (tree_string): Likewise.
23145 (tree_complex): Likewise.
23146 (IDENTIFIER_POINTER): correct cast.
23147 (SAVE_EXPR_CONTEXT): Whitespace.
23148 (EXPR_WFL_FILENAME_NODE): Likewise.
23149 (EXPR_WFL_FILENAME): Remove parenthesis.
23150 (DECL_ORIGIN): Add parenthesis.
23151 (DECL_FROM_INLINE): Use NULL_TREE.
23152 (build_int_2): Whitespace.
23153 (build_type_variant): Add parenthesis.
23154
23155 * gcc/jcf-parse.c: Update copyright date.
23156 (yyparse): Constify resource_filename.
23157
23158 2002-01-03 Graham Stott <grahams@redhat.com>
23159
23160 * rtl.h: Update copyright date.
23161 (RTL_CHECK1): Wrap long line.
23162 (RTL_CHECK2): Likewise.
23163 (RTL_CHECKC1): Wrap long line and whitespace.
23164 (RTL_CHECKC2): Likewise.
23165 (XWINT): Whitespace.
23166 (XINT): Likewise.
23167 (XSTR): Likewise.
23168 (XEXP): Likewise.
23169 (XVEC): Likewise.
23170 (XMODE): Likewise.
23171 (XBITMAP): Likewise.
23172 (XTREE): Likewise.
23173 (XBBDEF): Likewise.
23174 (XTMPL): Likewise.
23175 (X0WINT): Likewise.
23176 (X0INT):Likewise.
23177 (X0UINT): Likewise.
23178 (X0STR): Likewise.
23179 (X0EXP): Likewise.
23180 (X0VEC): Likewise.
23181 (X0MODE): Likewise.
23182 (X0BITMAP): Likewise.
23183 (X0TREE): Likewise.
23184 (X0BBDEF): Likewise.
23185 (X0ADVFLAGS): Likewise.
23186 (X0CSELIB): Likewise.
23187 (X0MEMATTR): Likewise.
23188 (XCWINT): Likewise.
23189 (XCINT): Likewise.
23190 (XCUINT): Likewise.
23191 (XCSTR): Likewise.
23192 (XCEXP): Likewise.
23193 (XCVEC): Likewise.
23194 (XCMODE): Likewise.
23195 (XCBITMAP): Likewise.
23196 (XCTREE): Likewise.
23197 (XCBBDEF): Likewise.
23198 (XCADVFLAGS): Likewise.
23199 (XCCSELIB): Likewise.
23200 (XC2EXP): Likewise.
23201 (INSN_UID): Likewise.
23202 (PREV_INSN): Likewise.
23203 (PATTERN): Likewise.
23204 (INSN_CODE): Likewise.
23205 (PUT_REG_NOTE_KIND): Likewise.
23206 (CODE_LABEL_NUMBER): Likewise.
23207 (NOTE_SOURCE_FILE): Likewise.
23208 (NOTE_BLOCK): Likewise.
23209 (NOTE_EH_HANDLER): Likewise.
23210 (NOTE_RANGE_INFO): Likewise.
23211 (NOTE_LIVE_INFO): Likewise.
23212 (NOTE_BASIC_BLOCK): Likewise.
23213 (NOTE_EXPECTED_VALUE): Likewise.
23214 (NOTE_LINE_NUMBER): Likewise.
23215 (LABEL_NAME): Likewise.
23216 (LABEL_NUSES): Likewise.
23217 (LABEL_ALTERNATE_NAME): Likewise.
23218 (ADDRESSOF_DECL): Likewise.
23219 (JUMP_LABEL): Likewise.
23220 (LABEL_NEXTREF): Likewise.
23221 (REGNO): Likewise.
23222 (ORIGINAL_REGNO: Likewise.
23223 (HARD_REGISTER_NUM_P): Add parenthesis.
23224 (SUBREG_REG): Whitespace.
23225 (SUBREG_BYTE): Likewise.
23226 (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
23227 (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
23228 (ASM_OPERANDS_OUTPUT_IDX): Likewise.
23229 (ASM_OPERANDS_INPUT_VEC): Likewise.
23230 (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
23231 (ASM_OPERANDS_INPUT): Likewise.
23232 (ASM_OPERANDS_INPUT_LENGTH): Likewise.
23233 (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
23234 (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
23235 (ASM_OPERANDS_INPUT_MODE): Likewise.
23236 (ASM_OPERANDS_SOURCE_FILE): Likewise.
23237 (ASM_OPERANDS_SOURCE_LINE): Likewise.
23238 (MEM_SET_IN_STRUCT_P): Minor reformat.
23239 (TRAP_CONDITION): Whitespace.
23240 (TRAP_CODE): Likewise.
23241 (COND_EXEC_TEST): Likewise.
23242 (COND_EXEC_CODE): Likewise.
23243 (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
23244 (PHI_NODE_P): Add parenthesis.
23245 (plus_constant): Whitespace and add parenthesis.
23246
23247 2002-01-03 Kazu Hirata <kazu@hxi.com>
23248
23249 * config/avr/avr.c: Fix comment typos.
23250 * config/c4x/c4x.md: Likewise.
23251 * config/dsp16xx/dsp16xx.h: Likewise.
23252 * config/dsp16xx/dsp16xx.md: Likewise.
23253 * config/i386/i386.md: Likewise.
23254 * config/ia64/ia64.c: Likewise.
23255 * config/m32r/m32r.h: Likewise.
23256 * config/m68hc11/m68hc11.md: Likewise.
23257 * config/mmix/mmix.c: Likewise.
23258 * config/mn10200/mn10200.c: Likewise.
23259 * config/romp/romp.c: Likewise.
23260 * config/sh/sh.c: Likewise.
23261 * config/stormy16/stormy16.c: Likewise.
23262 * config/stormy16/stormy16.h: Likewise.
23263 * config/stormy16/stormy16.md: Likewise.
23264
23265 2002-01-03 Graham Stott <grahams@redhat.com>
23266
23267 * loop.h: Update copyright date.
23268 (LOOP_MOVABLES): Fix typo.
23269 (LOOP_REGS): Likewise.
23270 (LOOP_IVS): Likewise.
23271
23272 2002-01-03 Graham Stott <grahams@redhat.com>
23273
23274 * cppinit.c: Update copyright date.
23275 Don't include output.h
23276 * Makefile.in: Update copyright date.
23277 Update dependency.
23278
23279 2002-01-02 Craig Rodrigues <rodrigc@gcc.gnu.org>
23280
23281 PR c/5226
23282 * invoke.texi (-mthreads): Remove from documented RS/6000 options.
23283 (-pthread) Add to RS/6000 options.
23284
23285 2002-01-02 Kazu Hirata <kazu@hxi.com>
23286
23287 * except.c: Fix comment typos.
23288 * loop.c: Likewise.
23289 * varasm.c: Likewise.
23290 * doc/tm.texi: Fix a typo.
23291
23292 2002-01-02 Jakub Jelinek <jakub@redhat.com>
23293
23294 * c-typeck.c (output_init_element): Allow initializing static storage
23295 duration objects with compound literals.
23296
23297 2002-01-02 Richard Henderson <rth@redhat.com>
23298
23299 * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
23300 after abusing it.
23301
23302 2002-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23303
23304 * gcc.c (default_compilers): Const-ify.
23305 * mips-tdump.c (stab_names): Likewise.
23306 * mips-tfile.c (map_coff_types, map_coff_storage,
23307 map_coff_sym_type, map_coff_derived_type, stabs_symbol,
23308 pseudo_ops_t, pseudo_ops): Likewise.
23309 * protoize.c (default_include): Likewise
23310
23311 * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
23312 (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
23313 Add array size in declaration.
23314 (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
23315 emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
23316 esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
23317 etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
23318 eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
23319 efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
23320 c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
23321 emtens, make_nan): Const-ify.
23322 (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
23323 DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.
23324
23325 2002-01-02 Joseph S. Myers <jsm28@cam.ac.uk>
23326
23327 * config.gcc (ia64-*-*): Set extra_headers.
23328 (alpha*-dec-osf*): Likewise. Don't use alpha/t-osf.
23329 * config/alpha/t-osf: Remove.
23330 * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.
23331
23332 2002-01-02 David Edelsohn <edelsohn@gnu.org>
23333
23334 * config/rs6000/t-aix43: Revert previous change.
23335
23336 2002-01-02 Jason Merrill <jason@redhat.com>
23337
23338 * c-decl.c (c_expand_body): Call outlining_inline_function when
23339 emitting an inline function out of line.
23340
23341 2002-01-02 Richard Henderson <rth@redhat.com>
23342
23343 * dwarf2out.c (limbo_die_node): Add created_for member.
23344 (new_die): New argument created_for. Update all callers.
23345 (mark_limbo_die_list): New.
23346 (dwarf2out_init): Register limbo_die_list as a root.
23347 (dwarf2out_finish): Force insert limbo dies into their function
23348 context.
23349
23350 2002-01-02 Nathan Sidwell <nathan@codesourcery.com>
23351
23352 PR c++/5089
23353 * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.
23354
23355 2002-01-02 Kazu Hirata <kazu@hxi.com>
23356
23357 * config/h8300/fixunssfsi.c: Update copyright.
23358 Fix comment typos.
23359 Fix formatting.
23360 * config/h8300/h8300.c: Update copyright.
23361 Eliminate warnings.
23362
23363 2002-01-02 Kazu Hirata <kazu@hxi.com>
23364
23365 * config/romp/romp.c: Fix comment formatting.
23366 * config/romp/romp.h: Likewise.
23367 * config/romp/romp.md: Likewise.
23368 * config/s390/s390.c: Likewise.
23369 * config/stormy16/stormy16.c: Likewise.
23370 * config/stormy16/stormy16.h: Likewise.
23371
23372 2002-01-02 Alexandre Oliva <aoliva@redhat.com>
23373
23374 * c-common.h (genrtl_expr_stmt_value): Declare.
23375 * c-semantics.c (genrtl_goto_stmt): Redirect to...
23376 (genrtl_goto_stmt_value): ... this new function. Pass new
23377 argument down to expand_expr_stmt_value, taking
23378 TREE_ADDRESSABLE into account.
23379 * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
23380 STMT_EXPR as addressable, i.e., one whose result we want.
23381 * expr.c (expand_expr): Don't save expression statement value
23382 of labeled_blocks or loop_exprs.
23383 * stmt.c (expand_expr_stmt): Redirect to...
23384 (expand_expr_stmt_value): ... this new function. Use new
23385 argument to tell whether to save expression value.
23386 (expand_end_stmt_expr): Reset last_expr_type and
23387 last_expr_value if we don't have either.
23388 * tree-inline.c (declare_return_variable): Mark its use
23389 statement as addressable.
23390 * tree.h: Document new use of TREE_ADDRESSABLE.
23391 (expand_expr_stmt_value): Declare.
23392
23393 2002-01-01 Tom Rix <trix@redhat.com>
23394
23395 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
23396 rs6000_emit_allocate_stack.
23397
23398 2002-01-01 Joseph S. Myers <jsm28@cam.ac.uk>
23399
23400 * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
23401 ${srcdir}/ginclude/ to every entry in extra_headers.
23402 * configure: Regenerate.
23403 * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
23404 * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
23405 * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
23406 * ginclude/proto.h: Rename to config/convex/proto.h.
23407
23408 Tue Jan 1 17:12:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
23409
23410 * attribs.c (handle_vector_size_attribute): Use host_integerp
23411 and tree_int_cst; remove warnings.
23412 * caller-save.c (insert_restore): Add cast to get rid of warning.
23413 (insert_save): Likewise.
23414 * emit-rtl.c (adjust_address_1, offset_address): Likewise.
23415 * regmove.c (find_matches): Add temporary var to kill a warning.
23416
23417 2002-01-01 Douglas B Rupp <rupp@gnat.com>
23418
23419 * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
23420 LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
23421 * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
23422 (vms-dwarf2eh.o): Add Makefile rule.
23423 * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
23424 * config/alpha/vms-dwarf2eh.asm: New file.
23425
23426 * gcc.c (delete_if_ordinary): Delete all versions.
23427
23428 2002-01-01 Hans-Peter Nilsson <hp@bitrange.com>
23429
23430 * config/mmix/mmix.md: Update FIXME to not mention
23431 define_constants.
23432 (MMIX_rJ_REGNUM): New define_constants constant.
23433 ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
23434 "*movdicc_real"): Adjust contraints formatting.
23435 ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
23436 for branch prediction.
23437 ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
23438 output template.
23439 ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
23440 "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
23441 number. Delete related FIXMEs.
23442 * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
23443 from number to MMIX_rJ_REGNUM.
23444 (TARGET_MASK_BRANCH_PREDICT): New.
23445 (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
23446 (TARGET_SWITCHES): Update comment. Correct -mno-toplevel-symbols
23447 value. Add -mbranch-predict and -mno-branch-predict.
23448 (TARGET_VERSION): Drop date.
23449 (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
23450 * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
23451 for finding out global symbols.
23452 (mmix_asm_output_labelref): Revert condition for global symbol.
23453 (mmix_print_operand): <case '+'>: Emit P for a likely branch.
23454 (mmix_print_operand_punct_valid_p): A '+' is valid.
23455
23456 See ChangeLog.6 for earlier changes.