1 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * cppmacro.c (check_trad_stringification): New function.
4 (save_expansion): If -Wtraditional, warn about stringification of
7 2000-09-11 Michael Hayes <mhayes@cygnus.com>
9 * loop.h (struct loop_mem_info): Move from loop.c
10 (struct loop_info): Add fields store_mems, mems, mems_idx,
11 mems_allocated, unknown_address_altered,
12 unknown_constant_address_altered, num_mem_sets, and
13 first_loop_store_insn.
15 * loop.c (loop_store_mems): Replace with field in loop_info struct.
16 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
17 (unknown_address_altered, unknown_constant_address_altered): Likewise.
18 (num_mem_sets): Likewise.
19 (replace_loop_mems, replace_loop_regs): New.
20 (struct loop_replace_args): New.
21 (load_mems): Use replace_loop_mems.
22 (try_copy_prop): Use replace_loop_regs.
23 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
25 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
27 * configure.in: Recognize m6811-elf and m6812-elf.
28 * configure: Regenerate.
30 2000-09-09 Geoff Keating <geoffk@cygnus.com>
32 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
35 2000-09-10 Michael Hayes <mhayes@cygnus.com>
37 * loop.c (struct movables): New.
38 (num_movables): Move into struct movables.
39 (the_movables): Change type to struct movables.
40 (ignore_some_movables): Change struct movable arg to struct movables.
41 (force_movables, combine_movables, regs_match_p): Likewise.
42 (rtx_equal_for_loop_p, move_movables): Likewise.
43 (scan_loop): Change movables to be of type struct movables.
44 Replace last_movable with field in movables structure.
46 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
48 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
49 (init_pragma): Avoid warning if pfile happens to be unused.
50 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
51 define init_pragma to nothing. Always prototype
52 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
54 * c-lex.c (process_directive): Always call dispatch_pragma.
55 Initialize entering_c_header to 0.
57 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
59 * config/m68hc11/m68hc11.md: New file, machine description for
61 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
62 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
63 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
64 * config/m68hc11/m68hc11-protos.h: New file.
65 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
66 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
67 * config/m68hc11/xm-m68hc11.h: New file, target defs.
68 * config/m68hc11/larith.asm: New file, libgcc routines.
70 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
72 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
73 (FPBIT_FUNCS): Add _usi_to_sf.
74 * config/fp-bit.c (usi_to_float): New function.
75 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
76 (usi_to_float): Add appropriate #define.
78 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
80 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
82 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
83 * i386.md (attr "type"): Add sse and mmx types.
84 (attr "memory"): Handle them without a crash.
85 (movsi_1, movdi_2): Allow MMX regs.
86 (movdi splits): Don't split moves involving MMX regs.
87 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
88 (movv4sf_internal, movv4si_internal, movv8qi_internal,
89 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
90 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
91 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
92 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
93 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
94 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
95 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
96 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
97 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
98 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
99 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
100 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
101 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
102 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
103 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
104 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
105 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
106 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
107 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
108 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
109 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
110 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
111 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
112 mmx_clrdi): New patterns.
114 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
116 * arm.c: Don't include tm.h directly.
118 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
120 * recog.c (validate_replace_rtx_1): Fix confusion about equality
121 testing; simplify subregs of constants and nested subregs.
123 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
125 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
127 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
129 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
131 * rtl.texi (description of USE): Add note about possible pitfalls
133 From Richard Henderson:
134 * reload1.c (choose_reload_regs): Compute need_mode properly.
136 2000-09-07 Richard Henderson <rth@cygnus.com>
138 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
139 (__modsi3, __umodsi3): Likewise.
140 (__udivsi3): Likewise. Normalize the TFmode values.
142 2000-09-07 Geoff Keating <geoffk@cygnus.com>
144 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
146 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
149 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
151 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
152 (cmpeqdi_t): Add output pattern.
153 (cmpeqdi_t+1): Don't split when not optimizing.
154 Restore proper splitting operation.
156 2000-09-07 Richard Henderson <rth@cygnus.com>
158 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
159 do not call dispatch_pragma.
161 2000-09-07 Jim Wilson <wilson@cygnus.com>
163 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
164 to CLASS_CANNOT_CHANGE_MODE.
165 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
166 mode classes are different.
168 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
170 * cpplib.h (struct cpp_options): Add user_label_prefix member,
171 left out of commit which removed cppulp.c.
173 2000-09-07 Richard Henderson <rth@cygnus.com>
175 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
176 after switch for CASE_DROPS_THROUGH.
178 2000-09-07 Richard Henderson <rth@cygnus.com>
180 * loop.c (strength_reduce): Call check_ext_dependant_givs.
181 Properly extend the biv initial value for the giv.
182 (record_biv): Zero ext_dependant.
183 (record_giv): New argument ext_val. Update all callers.
184 (general_induction_var): Likewise.
185 (consec_sets_giv): Likewise.
186 (simplify_giv_expr): Likewise. Fill in ext_val if we find
187 a sign-extend, zero-extend, or truncate.
188 (combine_givs_p): Make sure modes are compatible.
189 (check_ext_dependant_givs): New.
190 (extend_value_for_giv): New.
191 * loop.h (struct induction): Add ext_dependant.
192 * unroll.c (iteration_info): Extend the biv initial value for the giv.
193 (find_splittable_givs): Likewise.
194 (final_giv_value): Likewise.
196 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
198 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
199 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
200 definitions from cpplib.h.
201 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
203 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
204 documentation for REGISTER_TARGET_PRAGMAS.
206 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
207 default-pragma callback to implement -Wunknown-pragmas if
209 * c-parse.in: Move all includes to top of file.
210 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
212 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
214 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
216 * arm.h, arm-protos.h, arm.c,
217 c4x.h, c4x-protos.h, c4x.c,
218 h8300.h, h8300-protos.h, h8300.c,
219 i370.h, i370-protos.h, i370.c,
220 i960.h, i960-protos.h, i960.c,
221 sh.h, sh-protos.h, sh.c,
222 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
223 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
225 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
226 multiple include guard.
227 * i370.md (untyped_call): Use GEN_CALL.
228 (umodsi3): Remove unused variable.
229 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
230 * v850.c (output_move_single, output_move_double): Constify
232 (print_operand): Constify a char *.
233 * v850.h (struct small_memory_info): Constify name member.
235 2000-09-07 Kazu Hirata <kazu@hxi.com>
237 * config/h8300.h: Fix comment typos.
238 * config/h8300/h8300.md: Likewise.
239 * config/h8300/lib1funcs.asm: Likewise.
241 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
243 * Makefile.in: Remove references to cppulp.{c,o}.
244 * cppinit.c (initialize_builtins, cpp_start_read,
245 cpp_handle_option): Update to use cpp_options structure.
248 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
250 * c-common.c (time_char_table): Allow %#b and %#h.
252 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
254 * reorg.c (find_end_label): If the basic block reorder pass moves the
255 return insn to some other place try to locate it again and put our
256 end_of_function_label there.
257 * reorg.c (relax_delay_slots): Check if find_end_label created a
258 new label that invalidates the current optimazation.
260 2000-09-07 Catherine Moore <clm@redhat.com>
262 * unroll.c (unroll_loop): Check for unconditional jumps
263 to loop continuation. Delete if n_iterations is 1.
264 (ujump_to_loop_cont): New routine.
266 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
268 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
270 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
271 to handle multiword modes correctly. All callers and the declaration
274 2000-09-06 Mark Mitchell <mark@codesourcery.com>
276 * c-common.h (prep_stmt): Declare.
277 (lang_expand_stmt): Likewise.
278 * c-decl.c (lang_expand_stmt): Remove.
279 * c-semantics.c (lang_expand_stmt): Define.
280 (prep_stmt): New function.
281 (expand_stmt): Handle common statement types here.
283 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
285 * configure.in (sh-*-linux*): Added.
286 * configure: Rebuilt.
287 * config/sh/t-linux: New file.
288 * config/sh/sh.h (USERMODE_BIT): Define.
289 (TARGET_USERMODE): Likewise.
290 (TARGET_SWITCHES): New switches for the bits above.
291 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
292 * config/sh/linux.h: New file.
293 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
295 (L_sdivsi3, L_udivsi3): Define for linux.
296 (L_ic_invalidate): Define.
297 * invoke.texi (SH Options): Document -musermode.
299 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
301 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
302 CSE unless generating PIC.
304 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
307 2000-09-06 H.J. Lu (hjl@gnu.org)
309 * Makefile.in (clean_s1): Depend on stage_b.
310 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
311 stage2. They are used for "make compare".
313 2000-09-06 Mark Mitchell <mark@codesourcery.com>
315 Move statement-tree facilities from C++ to C front-end.
316 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
317 (void_zero_node): New macro.
318 (struct stmt_tree_s): New type.
319 (stmt_tree): New typedef.
320 (struct language_function): New type.
321 (last_tree): New macro.
322 (last_expr_type): Likewise.
323 (walk_tree_fn): New typedef.
324 (current_stmt_tree): New function.
325 (begin_stmt_tree): Likewise.
326 (add_stmt): Likewise.
327 (finish_stmt_tree): Likewise.
328 (statement_code_p): Likewise.
329 (lang_statement_code_p): New variable.
330 (walk_stmt_tree): New function.
331 (STMT_IS_FULL_EXPR_P): New macro.
332 * c-common.c (lang_statement_code_p): New variable.
333 (c_common_nodes_and_builtins): Initialize void_zero_node.
334 (statement_code_p): New function.
335 (walk_stmt_tree): Likewise.
336 * c-decl.c (language_function): Rename to ...
337 (c_language_function): ... this. Include language_function.
338 (push_c_function_context): Adjust accordingly.
339 (pop_c_function_context): Likewise.
340 (mark_c_function_context): Likewise.
341 (current_stmt_tree): Define.
342 * c-semantics.c (begin_stmt_tree): New function.
343 (add_stmt): Likewise.
344 (prune_unused_decls): Likewise.
345 (finish_stmt_tree): Likewise.
347 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
349 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
351 2000-09-06 Kazu Hirata <kazu@hxi.com>
353 * calls.c: Fix formatting.
355 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
357 * config/i386/i386.h (ADDRESS_COST): Fix typo.
359 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
361 Integrated preprocessor.
363 * Makefile.in: Remove all references to c-parse.gperf,
364 c-gperf.h, and c-parse.h. Remove -d from yacc command line
365 generating c-parse.c. Update dependencies.
366 * c-parse.gperf, c-gperf.h: Delete.
368 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
369 yy_lim, or yy_get_token. Don't define get_directive_line if
371 * c-common.h: Add multiple include guard. Define RID values
372 for every keyword in C, C++, and Objective C. Put all the
374 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
375 * c-decl.c (c_decode_option): Handle -lang-objc here.
376 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
377 (grokdeclarator): Adjust for new RID scheme.
378 (extract_interface_info): New stub.
379 * c-lang.c: Don't declare yy_cur or parse_options.
380 (lang_init_options): Call cpp_init. Don't call
382 (lang_init): Don't call check_newline if USE_CPPLIB.
384 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
385 Elide lots of unnecessary code if USE_CPPLIB. Delete code
386 rendered unnecessary by new architecture. Move routines not
387 shared with C++ to c-parse.in. Maintain a local idea of the
388 line number. Handle C++ as well as C.
389 [USE_CPPLIB]: Declare and register callbacks for #ident and
390 for entering/leaving files.
391 (init_c_lex, c_lex): Are now the entry points to this file.
392 (check_newline): Break out directive handling to
394 (read_ucs, is_extended_char, utf8_extend_token): Moved here
396 (readescape, parse_float): Overhaul.
397 (lex_number, lex_string, lex_charconst): Break out of c_lex
399 (get_fileinfo, update_header_times, dump_one_header,
400 dump_time_statistics): New and/or moved here from C++.
401 Support per-file data needed by C++ and per-header timing
402 statistics (C++ only, at the moment).
403 * c-lex.h: Update prototypes. Add multiple include guard.
404 * c-tree.h (struct lang_identifier): Add rid_code field.
405 (C_IS_RESERVED_WORD, C_RID_CODE): New.
407 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
408 reinit_parse_for_function and/or position_after_white_space.
409 (save_filename, save_lineno): Look ahead before saving.
410 (label -> identifier ':'): Save file and line before shifting ':'.
411 (reservedwords): No need to call get_identifier.
412 (init_parse, finish_parse, yyerror, yylex, yyprint,
413 make_pointer_declarator): Are now here for C/ObjC.
414 (rid_to_yy): Conversion table from RID constants to Yacc codes.
416 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
417 #pragma registry. Provide dummy implementation of that
418 interface if !USE_CPPLIB.
419 * c-pragma.h: Update to match.
421 * flags.h: Add multiple include guard.
422 (flag_detailed_statistics): Moved here from C++.
423 * toplev.c: Define flag_detailed_statistics.
425 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
427 * timevar.def (TV_CPP, TV_LEX): New.
428 * timevar.h: Add multiple include guard.
430 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
432 * objc/objc-act.c: Don't mention yy_cur or parse_options.
433 Initialize cpplib properly. Force lineno to 0 after first
434 call to check_newline. Don't handle -lang-objc here.
435 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
437 2000-09-06 David Edelsohn <edelsohn@gnu.org>
439 * rs6000.md: Correct function unit definitions for cr_logical and
441 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
442 and use portable method for >=0 and floating point >=. Remove
445 2000-09-06 Mark Mitchell <mark@codesourcery.com>
447 * extend.texi: Mark named return value extension as deprecated.
449 2000-09-06 Geoff Keating <geoffk@cygnus.com>
451 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
454 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
456 * toplev.c (display_help): Fix thinko in documentation.
458 * diagnostic.h (output_buffer::indent_skip): New fields.
459 (output_indentation): New macro.
461 * diagnostic.c (output_indent): New function.
462 (output_set_prefix, clear_diagnostic_info): Use.
463 (output_emit_prefix): Predict future indentation.
465 2000-09-06 DJ Delorie <dj@redhat.com>
467 * Makefile.in (stage_*): add more dependencies to ensure parallel
468 builds build correctly
470 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
472 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
473 not bootstrap-lean_f.
475 2000-09-06 Andreas Schwab <schwab@suse.de>
477 * mklibgcc.in: Emit rule for libgcc-stage-start.
478 * Makefile.in (stage1-start, stage2-start, stage3-start,
479 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
481 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
483 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
484 (update_equiv_regs): Likewise, except for the mn10200 kludge.
485 (combine_regs): Likewise.
487 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
488 * cse.c: Include "basic-block.h".
489 (struct table_elt): New field REGCOST.
490 (CHEAP_REG): Delete macro.
491 (COST): Return 0 for REGs.
492 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
493 (notreg_cost): Return 0 for appropriate SUBREGs.
494 (COSTS_N_INSNS): Return N * 2.
495 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
497 (CHEAPER): Use new function preferrable.
498 (insert): Initialize REGCOST member.
499 (find_best_addr): Use approx_reg_cost for estimation of register
501 (cse_insn): Likewise.
502 * loop.c (iv_add_mult_cost): New function.
503 (add_cost, shift_cost, mult_cost): Delete variables.
504 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
505 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
506 Make code that detects autoinc opportunities slightly less optimistic.
507 (simplify_giv_expr): If expression contains other reg that is also a
508 giv, only increment benefit if this is the only use of that reg.
509 (consec_sets_giv): Take that change into account.
510 (combine_givs): Slightly more verbose output.
512 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
513 not the cost of an equivalent shift.
514 * sh-protos.h (addsubcosts): Declare.
515 * sh.c (addsubcosts): New function.
516 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
517 (RTX_COSTS): Tweak. Use addsubcosts.
518 (ADDRESS_COST): Return higher cost for reg+reg addressing.
520 2000-09-06 Geoff Keating <geoffk@cygnus.com>
522 * config/rs6000/rs6000.c (validate_condition_mode): New function.
523 (branch_comparison_operator): Call validate_condition_mode to
524 abort rather than returning 0.
525 (branch_positive_comparison_operator): New function.
526 (scc_comparison_operator): Call validate_condition_mode to abort
527 rather than returning 0.
528 (ccr_bit): Call validate_condition_mode. Update for
530 (print_operand): Delete %C modifier. Update %E case
531 to use EQ bit not SO bit.
532 (rs6000_reverse_condition): New function.
533 (rs6000_generate_compare): New function.
534 (rs6000_emit_sCOND): New function.
535 (rs6000_emit_cbranch): New function.
536 (output_cbranch): The length of a long branch insn is
537 now only 8 bytes. Add validate_condition_mode. Use
538 rs6000_reverse_condition. Remove cror generation.
540 * config/rs6000/rs6000.h: Update comments.
541 (PREDICATE_CODES): Add new predicate. Update codes used
542 by branch_comparison_operator and scc_comparison_operator.
543 * config/rs6000/rs6000-protos.h: Add prototypes for
544 new external functions.
545 * config/rs6000/rs6000.md: Add new scheduling parameters
546 for cr_logical instructions. Change length of branch
548 (bCOND patterns): Call rs6000_emit_cbranch.
549 (sCOND patterns): Call rs6000_emit_sCOND.
550 (branch patterns): Change lengths to 4.
551 (cr logical patterns): New.
553 2000-09-06 Richard Henderson <rth@cygnus.com>
555 * config/i386/i386.md (call_pop): Fix test for setting
556 current_function_uses_pic_offset_table.
557 (call, call_value_pop, call_value): Likewise.
559 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
561 * timevar.c (timevar_add): Delete.
562 (timevar_get): Also count time since the selected timer was
563 last updated. Do not examine the timevar stack if the
564 selected timer is standalone.
566 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
568 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
570 2000-09-05 Jason Merrill <jason@redhat.com>
572 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
575 2000-09-05 Richard Henderson <rth@cygnus.com>
577 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
578 Eliminate final copy from non-trapping case.
579 (__divdf3, __divsf3): Likewise.
581 2000-09-05 Richard Henderson <rth@cygnus.com>
583 * config/ia64/ia64.md (mulhi3): Fix typo last change.
584 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
586 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
588 * Makefile.in: Restructure bootstrap stages to allow clean
589 restart after failure.
591 2000-09-05 Richard Henderson <rth@cygnus.com>
593 * config/ia64.md (movsi and movdi patterns): Allow moves from
594 8-bit constants to AR registers.
596 2000-09-05 Richard Henderson <rth@cygnus.com>
598 * config/ia64/ia64.md (mulhi3): New.
600 2000-09-05 Richard Henderson <rth@cygnus.com>
602 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
603 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
604 Optimization Guide, minimum latency alternative.
605 (__moddi3, __udivdi3, __umoddi3): Likewise.
606 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
608 2000-09-05 Bruce Korb <bkorb@gnu.org>
610 * fixinc/fixincl.c (load_file): always read header files
611 with sizes that are a multiple of the page size.
612 & use libiberty's getpagesize for determining that.
614 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
616 * gcse.c (hash_string_1): Add prototype.
617 * cse.c (canon_hash_string): Likewise.
619 2000-09-04 Craig Newell <CraigN@ieee.org>
621 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
623 2000-09-04 Andreas Schwab <schwab@suse.de>
625 * Makefile.in (STAGESTUFF): Remove libgcc.
626 (stage1-start, stage2-start, stage3-start): Copy the contents of
627 the libgcc directory explicitly.
628 (mostlyclean): Clean libgcc.
630 2000-09-04 Andrew Haley <aph@redhat.com>
632 * dwarf2out.c: (stack_adjust_offset): New prototype.
634 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
636 * combine.c (make_extraction): Fix rtx_cost comparison to
639 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
641 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
642 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
643 Add '*' to insn pattern name.
645 2000-09-04 Jakub Jelinek <jakub@redhat.com>
647 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
648 use posn - 1 to index into tokens array.
649 (maybe_paste_with_next): Adjust caller.
651 2000-09-03 Geoff Keating <geoffk@cygnus.com>
653 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
655 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
656 (REGNO_REG_CLASS): Use symbolic register
659 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
661 * arm.c (final_prescan_insn): If the form of a jump insn isn't
662 recognized, don't try to conditionally execute it.
664 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
666 * config/avr/avr.md ("*tablejump_lib"): New pattern.
667 (call_value_insn): Right length claculation.
668 (call_insn): Likewise.
670 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
672 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
673 gas_output_limited_string, gas_output_ascii, output_movqi,
674 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
675 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
676 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
677 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
678 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
679 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
680 Add "const" as needed to remove warnings.
682 * config/avr/avr.c (avr_override_options, avr_init_once,
683 function_prologue, function_epilogue, frame_pointer_required_p,
684 class_likely_spilled_p, order_regs_for_local_alloc,
685 avr_address_cost, avr_ret_register): Use K&R style arguments.
686 (initial_elimination_offset, gas_output_limited_string):
687 Remove ATTRIBUTE_UNUSED from the used arguments.
688 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
689 Use local variables src, dest, base to access operands[].
690 Rename reg_dest to reg_src if that's what it is.
691 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
692 constants to LD_REGS if reg_was_0.
693 (output_reload_insisf): Change arg 3 to insn length and set it.
694 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
695 access to 16-bit I/O register pairs.
696 (avr_address_cost): Lower cost for the above case.
697 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
698 may be clobbered, also for LD_REGS.
699 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
702 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
704 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
705 macro to test_hard_reg_class function.
706 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
707 for loading immediate constants to LD_REGS.
708 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
711 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
713 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
714 * config/avr/libgcc.S: Lost part of the previous patch.
716 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
718 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
719 object before calling pthread_mutex_init.
721 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
723 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
724 config/sh/crtn.asm: New files.
725 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
726 (crt1.o, crti.o, crtn.o): New targets.
727 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
729 * configure: Rebuilt.
730 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
731 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
732 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
733 Undefine for config/elfos.h to redefine.
734 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
736 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
738 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
739 legitimize_pic_address, output_pic_addr_const): Declare.
740 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
741 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
742 (TARGET_SWITCHES): New switch -mprefergot.
743 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
744 (PIC_OFFSET_TABLE_REGNUM): Define.
745 (GOT_SYMBOL_TABLE): Likewise.
746 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
747 (ENCODE_SECTION_INFO): Define.
748 (FINALIZE_PIC): New macros.
749 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
750 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
751 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
752 (prepare_move_operands): Call emit_pic_move or
753 emit_pic_const_move if appropriate.
754 (output_far_jump): For PIC, use braf and output long offset.
755 (machine_dependent_reorg):
756 (sh_expand_prologue): Save and initialize the PIC register.
757 (sh_expand_epilogue): Restore it.
758 (initial_elimination_offset): Account for it.
759 (nonpic_symbol_mentioned_p): New function.
760 (legitimize_pic_address): Likewise.
761 (output_pic_addr_const): Likewise.
762 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
763 (call, call_value): Use them.
764 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
765 symPLT_label2reg): New expands.
766 * invoke.texi (SH Options): Document -mprefergot.
768 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
770 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
771 * gcse.c (hash_string_1): New function.
772 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
773 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
774 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
775 (canon_hash_string): New function.
776 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
777 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
778 (fold_rtx): Use ASM_OPERANDS accessor macros.
779 * emit-rtl.c (copy_insn_1): Likewise.
780 * integrate.c (copy_rtx_and_substitute): Likewise.
781 * stmt.c (expand_asm_operands): Likewise. Give an
782 ASM_OPERANDS rtx the mode of the output reg being set from it.
784 2000-09-01 Fred Fish <fnf@be.com>
786 * fix-header.c (write_rbrac): Add putc and getc to list of
787 functions to protect against prior definition as a macro.
789 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
791 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
792 (c_size_type_node): Define.
793 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
794 * c-common.c (enum format_lengths, enum format_std_version,
795 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
796 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
797 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
798 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
799 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
800 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
801 format_types): Define.
802 (format_char_info, print_char_table, scan_char_table,
803 time_char_table): Rearrange for new organization of information
804 about format length modifiers and standard versions.
805 (T_ST): Redefine to use c_size_type_node.
806 (check_format_info): Obtain information about length modifiers and
807 standard versions from tables. Adjust warning message wordings.
808 Use the name from the user's program for `ll' and `hh' length
809 modifiers in warning messages. Use more informative names for
810 wanted types where available (for wchar_t, wint_t, size_t, signed
811 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
813 2000-09-01 Jim Wilson <wilson@cygnus.com>
815 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
816 * combine.c (distribute_notes): Handle REG_NORETURN.
817 * rtl.c (reg_note_name): Add REG_NORETURN.
818 * rtl.h (enum reg_note): Likewise.
820 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
822 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
823 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
824 (emit_predicate_relation_info): Handle conditional calls with
826 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
827 instead of ia64_file_start.
828 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
829 * config/ia64/ia64.md (safe_across_calls_all,
830 save_across_calls_normal): New patterns.
832 * loop.c (check_final_value): Check for biv use before checking for
833 giv use. Check for both biv and giv uses. Always set last_giv_use
834 if there is a giv use.
836 2000-09-01 Richard Henderson <rth@cygnus.com>
838 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
842 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
844 * expr.c (clear_storage): Don't use emit_move_insn unless
845 either BLKmode or proper size.
846 (store_constructor): Don't call clear_storage if REG of wrong size.
848 * flow.c (init_propagate_block_info): Don't mark frame dead at end
849 of function if returns wiht stack pointer depressed.
851 2000-09-01 Andrew Haley <aph@redhat.com>
853 * dwarf2out.c (stack_adjust_offset): New function.
854 (dwarf2out_stack_adjust): Break out stack adjust logic into
855 new stack_adjust_offset function. Look inside parallels and
856 sequences for stack adjustments.
858 2000-08-31 Jeff Law <law@cygnus.com>
860 * arm.md: Use no_new_pseudos to determine when it is safe
861 to create new pseudo registers.
863 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
864 when we can safely allocate new registers.
866 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
868 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
869 so that CONCATs are not generated for ASMs.
870 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
871 not generating_concat_p.
872 * function.c (pop_function_context_from): Reset
874 (prepare_function_start): Likewise.
875 * rtl.c (generating_concat_p): Define.
876 * rtl.h (generating_concat_p): Declare.
877 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
879 2000-08-22 Philipp Thomas <pthomas@suse.de>
880 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
882 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
885 2000-08-30 Greg McGary <greg@mcgary.org>
887 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
888 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
889 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
891 2000-08-30 Greg McGary <greg@mcgary.org>
893 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
894 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
895 (TREE_INT_CST): New macro.
896 * varasm.c (const_hash, compare_constant_1, record_constant_1):
897 Use new macro TREE_INT_CST.
899 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
901 * contrib.texi: Add self.
903 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
905 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
906 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
909 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
911 * fixinc/gnu-regex.c: Don't define `const'.
913 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
915 * expr.c (store_constructor): Allow variable bounds of array type.
916 (expand_expr): Don't blow up if type is ERROR_MARK.
917 * varasm.c (output_constructor): Don't access lower bound of array
918 type unless need it if index is supplied (so it can be a variable
919 if no index is supplied).
920 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
921 Other minor cleanups.
923 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
925 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
926 for compilations in stage 1 and subsequent stages, respectively.
927 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
928 * configure: Rebuilt.
929 * x-vax, x-vax-gcc: Deleted.
931 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
933 * c-common.c (declare_function_name): Use func_id_node,
934 function_id_node, and pretty_function_id_node. Do not make
935 __func__ visible at file scope.
936 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
937 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
938 (function_id_node, pretty_function_id_node, func_id_node): New
940 * c-decl.c (init_decl_processing): Initialize function_id_node,
941 pretty_function_id_node, and func_id_node.
942 (c_make_fname_decl): Correct comment.
944 * tree.h (struct tree_identifier): Constify pointer member.
946 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
947 * c-pragma.h (struct weak_syms): Constify name and value members.
948 (add_weak): Constify arguments.
950 * calls.c (special_function_p): Constify a char *.
951 (expand_call): Remove variable which is initialized and then
953 * dependence.c (struct def_use, struct induction, struct subscript):
954 Constify 'variable' member.
955 (get_low_bound, have_induction_variable): Constify char * argument.
956 (find_induction_variable): Add braces to avoid dangling else.
957 (classify_dependence): Constify char * arrays.
958 * profile.c (output_func_start_profiler): Constify a char *.
959 * stor-layout.c (finalize_record_size): Constify a char *.
960 * tree.c (is_attribute_p): Constify a char *.
961 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
963 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
964 for comprehensibility. Do not call get_identifier if we did
965 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
966 create temporary string constants, not ggc_alloc_string. No
967 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
968 char * to hold IDENTIFIER_POINTERs.
970 2000-08-29 Richard Henderson <rth@cygnus.com>
972 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
975 2000-08-29 Richard Henderson <rth@cygnus.com>
977 * reload.c (push_secondary_reload): Allow class == reload_class
978 if we're using a reload_in/out pattern.
980 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
981 the half that does not conflict with the reload register.
982 (reload_outti): Likewise.
984 2000-08-29 Kazu Hirata <kazu@hxi.com>
986 * reload.c: Fix formatting.
988 * stmt.c: Fix formatting.
990 * gcc.c: Fix formatting.
992 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
994 * flags.h (time_report, mem_report): New global flags.
995 * toplev.c: Define time_report and mem_report.
996 (f_options): Add -ftime-report and -fmem-report.
997 (compile_file): Turn on time_report if quiet_flag is off.
998 Call ggc_print_statistics at very end if mem_report is on.
999 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
1001 * ggc-common.c (ggc_print_statistics): Rename to
1002 ggc_print_common_statistics; all callers changed. Scale
1003 quantities above 10K to kilobytes and above 10M to megabytes.
1004 * ggc-page.c (ggc_page_print_statistics): Rename to
1005 ggc_print_statistics. Report memory consumed by internal data
1006 structures for each allocation bucket. Scale quantities above
1007 10K to kilobytes and above 10M to megabytes.
1008 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
1009 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
1010 Define tally_leaves always.
1011 (ggc_print_statistics): New function.
1012 * ggc.h: Adjust for renamed functions.
1014 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
1016 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
1017 output_movsisf instead of which_alternative.
1019 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
1021 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
1023 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
1024 (avr_progmem_p): New prototype.
1025 (output_movsisf): Prototype declaration changed.
1026 (output_movqi): New prototype.
1027 (output_movhi): New prototype.
1028 (call_insn_operand): Likewise.
1029 (final_prescan_insn): Likewise.
1030 (avr_simplify_comparision_p): Likewise.
1031 (avr_normalize_condition): Likewise.
1032 (compare_eq_p): Likewise.
1033 (out_shift_with_cnt): Likewise.
1034 (const_int_pow2_p): Likewise.
1035 (output_reload_inhi): Prototype declaration changed.
1037 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
1038 (ldi_reg_rtx): New. rtx for r31.
1039 (avr_init_stack): Initialize as "__stack".
1040 (function_prologue): Use it.
1041 Replace all TARGET_ENHANCED with AVR_ENHANCED.
1042 (avr_mcu_name): Initialize as "avr2".
1043 (avr_enhanced_p, avr_mega_p): New variables.
1044 (mcu_types, avr_override_options): Handle all known MCU types.
1045 Also handle avr1 (only preprocess, assemble and link).
1046 (print_operand): Using of `%K' in output template removed.
1047 (out_movqi_r_mr): Optimized.
1048 (out_movhi_r_mr): Likewise.
1049 (output_movqi): New function.
1050 (output_movhi): Likewise.
1051 (out_movsi_r_mr): Optimized.
1052 (output_movsisf): Compute insn length for `adjust_insn_length'
1053 (out_movqi_mr_r): Optimized.
1054 (out_movhi_mr_r): Optimized.
1055 (adjust_insn_length): Use output_movsisf, output_movqi,
1056 output_movhi for insn length adjusting.
1057 (reg_unused_after): Use dead_or_set_p.
1058 (preferred_reload_class): Now havn't any restriction.
1059 (reg_was_0): New function.
1060 (io_address_p): Likewise.
1061 (const_int_pow2_p): Likewise.
1062 (output_reload_inhi): Likewise.
1063 (output_reload_insisf): Likewise.
1065 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
1066 (LIB_SPEC): Use -lc for all supported devices.
1067 (LIBGCC_SPEC): Use -lgcc for all supported devices.
1068 (AVR_MEGA): Define as avr_mega_p.
1069 (AVR_ENHANCED): New, define as avr_enhanced_p.
1070 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
1071 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
1072 (CRT_BINUTILS_SPECS): Handle all known MCU types.
1073 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
1074 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
1075 (ASM_SPEC): Pass -mmcu=... to the assembler.
1076 Change all -DAVR_* to -D__AVR_*__.
1077 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
1078 Rename library functions to start with two underscores.
1079 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
1081 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
1082 (SUPPORTS_WEAK): Likewise.
1083 (LDI_REG_REGNO): New. Register r31 will be used as temporary
1084 register for loading constants to r0-r14.
1086 * config/avr/avr.md: Replace all TARGET_ENHANCED with
1088 (*mov_r_sp): Removed. Handled by output_movhi.
1089 (*mov_sp_r): Likewise.
1090 (*mov_sp_r_no_interrupts): Likewise
1091 (*mov_sp_r_tiny): Likewise.
1092 (*movqi): Use output_movqi.
1093 (*reload_inqi): New.
1094 (*movhi): Use output_movhi.
1095 (*reload_inhi): New.
1096 (*negsi2): Optimized.
1097 (*negsf2): Likewise.
1098 Added peepholes (define_peephole2) for loading constants to r0-r14
1099 and for using `cpse' command.
1101 * config/avr/libgcc.S: Rename library functions to start with two
1103 Add support for enhanced core.
1104 (_moqhi3): Fix typo, now _modqi3.
1105 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
1106 (__prologue_saves__): Remove test for stack adjust by 0.
1107 (__tablejump__): New.
1109 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
1110 Add multilib support.
1112 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
1114 * loop.c (prescan_loop): Don't check unknown_address_altered
1115 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
1116 to loop_store_mems as necessary.
1117 (loop_invariant_p): Don't check unknown_address_altered
1118 or unknown_constant_address_altered.
1120 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1122 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
1124 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
1126 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
1127 print just the filename.
1128 * cpplex.c (_cpp_run_directive): Add additional argument, the
1129 name to give the synthetic buffer. This defaults to
1130 translated "<command line>".
1131 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
1133 (_cpp_define_builtin): New function.
1134 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
1135 * cpphash.h: Update prototypes.
1137 * tradcpp.c (main): Process -D and -U simultaneously, in the
1138 order they appeared on the command line.
1140 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * c-decl.c (define_label): Call warning_with_file_and_line and
1143 error_with_file_and_line instead of plain warning or error.
1145 * c-parse.in (label): Use save_filename/save_lineno to ensure
1146 correct values for calls to define_label.
1148 2000-08-29 Mark Mitchell <mark@codesourcery.com>
1150 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
1152 * expr.c (expand_expr, case TARGET_EXPR): Don't call
1154 * tree.h (get_file_function_name): Remove two duplicate
1157 2000-08-28 Kazu Hirata <kazu@hxi.com>
1159 * tree.c: Fix formatting.
1161 * xcoffout.c: Fix formatting.
1163 2000-08-28 Jason Merrill <jason@redhat.com>
1165 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
1167 2000-08-28 Daniel Berlin <dberlin@redhat.com>
1169 * dwarf2out.c (dwarf2out_finish): Don't bother calling
1170 break_out_includes if it won't do anything.
1172 2000-08-28 Richard Henderson <rth@cygnus.com>
1174 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
1175 (find_reloads): Likewise.
1176 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
1177 (reload_inhi): Likewise.
1179 2000-08-28 Richard Henderson <rth@cygnus.com>
1181 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
1182 (call_insn_operand): Don't expect a surrounding mem.
1183 (constant_call_address_operand): Likewise.
1184 * config/i386/i386.h (PREDICATE_CODES): Update.
1185 * config/i386/i386.md (call patterns): Move the match_operand
1186 for the call destination inside the mem.
1188 2000-08-28 Richard Henderson <rth@cygnus.com>
1190 * local-alloc.c (requires_inout): Don't use reserved range for
1191 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
1192 * recog.c (asm_operand_ok): Likewise.
1193 (preprocess_constraints, constrain_operands): Likewise.
1194 * regclass.c (record_reg_classes): Likewise.
1195 * reload.c (find_reloads): Likewise.
1196 * reload1.c (maybe_fix_stack_asms): Likewise.
1197 (reload_cse_simplify_operands): Likewise.
1198 * stmt.c (expand_asm_operands): Likewise.
1200 * md.texi: Update constraints documentation.
1201 * tm.texi (EXTRA_CONSTRAINT): Update.
1203 2000-08-28 Daniel Berlin <dberlin@redhat.com>
1205 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
1206 (print_die): If we don't know the offset of the
1207 target die, try the symbol. Add a trailing newline.
1208 (reverse_all_dies): New fn.
1209 (dwarf2out_finish): Call it.
1210 (break_out_includes): Reorganize for clarity.
1211 (add_sibling_attributes): Don't call reverse_die_lists.
1212 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
1214 * flags.h: Add flag_eliminate_dwarf2_dups.
1215 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
1217 2000-08-28 Jason Merrill <jason@redhat.com>
1219 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
1220 * dwarf2out.c: #include "md5.h".
1221 (DIE_LABEL_PREFIX): New macro.
1222 (dw_val_struct): Add 'external' flag to val_die_ref.
1223 (add_AT_die_ref, AT_ref): Adjust.
1224 (AT_ref_external, set_AT_ref_external): New fns.
1225 (build_abbrev_table): Call set_AT_ref_external.
1226 (value_format): Call AT_ref_external.
1227 (die_struct): Add die_symbol field.
1228 (new_die): Clear it.
1229 (dwarf_tag_name): Handle BINCL/EINCL.
1230 (dwarf2out_start_source_file): Add BINCL DIE.
1231 (dwarf2out_end_source_file): Add EINCL DIE.
1232 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
1233 (loc_checksum, attr_checksum, die_checksum): New fns.
1234 (is_type_die, is_comdat_die, is_symbol_die): New fns.
1235 (compute_section_prefix, assign_symbol_names): New fns.
1236 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
1237 (output_die): Call output_die_symbol and AT_ref_external.
1238 (output_comdat_comp_unit): New fn, split out from...
1239 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
1241 (output_pubnames, output_aranges): Abort if we see entries from
1243 * toplev.h: Declare file_name_nondirectory.
1244 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
1245 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
1246 (debug_start_source_file): Call dwarf2out_start_source_file
1247 regardless of debug verbosity.
1248 (debug_end_source_file): Similarly.
1249 * tree.h: Declare clean_symbol_name.
1250 * tree.c (clean_symbol_name): Split out from...
1251 (get_file_function_name_long): ...here.
1253 * dwarf2out.c (new_loc_descr): Use calloc.
1254 (splice_child_die): Remove the die from the right parent.
1255 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
1257 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1259 * toplev.c (decode_g_option): Don't give warning for unknown -g
1260 option; return 0 instead.
1261 (main): If -g option is not recognized by front end or
1262 language-independent code, give warning.
1264 2000-08-28 Greg McGary <greg@mcgary.org>
1266 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
1267 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
1268 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
1270 2000-08-27 Greg McGary <greg@mcgary.org>
1272 * cpplex.c (parse_string): Don't look for backslash
1273 before first char in `namebuf'.
1274 * loop.c (strength_reduce): Skip NOTEs.
1276 2000-08-27 Jason Merrill <jason@redhat.com>
1278 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
1279 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
1280 TREE_ASM_WRITTEN, either.
1281 (finish_decl): Adjust.
1283 2000-08-28 Philipp Thomas <pthomas@suse.de>
1285 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
1286 they have been incorporated into the gettext CVS. Change the text to
1287 reflect the current status of NLS. Add instructions for accessing
1288 the gettext CVS and add the patch from Martin v. Loewis.
1290 2000-08-27 Geoff Keating <geoffk@cygnus.com>
1292 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
1293 by using gen_lowpart_common.
1294 (movdi_internal64+6): Likewise.
1296 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
1298 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
1301 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
1302 numbers to the ranges used by GDB.
1304 2000-08-25 Richard Henderson <rth@cygnus.com>
1306 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
1307 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
1308 (ia64_expand_prologue): Likewise.
1309 (ia64_setup_incoming_varargs): Set it. Properly skip the current
1310 argument for stdargs.
1312 2000-08-25 Jason Merrill <jason@redhat.com>
1314 * integrate.c (expand_inline_function): Pull out the original decl.
1316 2000-08-25 Jim Wilson <wilson@cygnus.com>
1318 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
1320 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
1322 2000-08-25 Greg McGary <greg@mcgary.org>
1324 * flow.c (dump_edge_info): Use ARRAY_SIZE.
1325 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
1327 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
1329 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
1331 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
1333 * i386.c (ix86_find_base_term): New.
1334 * i386-protos.h (ix86_find_base_term): Prototype.
1335 * i386.h (FIND_BASE_TERM): Define.
1336 * alias.c (find_base_term): Use it.
1337 * tm.texi (FIND_BASE_TERM): Document it.
1339 * alias.c (true_dependence, write_dependence_p): Unchanging
1340 memory can't conflict with non-unchanging memory.
1342 * alias.c (memrefs_conflict_p): A BLKmode reference
1343 to a symbol (or CONST_INT address) always conflicts
1344 with a reference to another symbol.
1346 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
1348 * c-common.c (time_char_table): Don't allow width and flags with
1351 2000-08-25 Jakub Jelinek <jakub@redhat.com>
1353 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
1354 way as LT and LTU when the second operand has 0 in low word.
1356 2000-08-26 Michael Hayes <mhayes@cygnus.com>
1358 * basic-block.h (struct loop): Rename `exits' field to
1359 `exit_edges'. Add `entry_edges' and `num_entries' fields.
1361 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
1362 (flow_loop_entry_edges_find): Add.
1363 (flow_edge_list_print): Rename from flow_exits_print.
1364 (flow_loops_find): Call flow_loop_entry_edges_find.
1365 (flow_loop_dump): Dump entry_edges list.
1366 (flow_loops_free): Free entry_edges.
1368 2000-08-26 Michael Hayes <mhayes@cygnus.com>
1370 * loop.c (loop_dump_aux, debug_loop): New functions.
1371 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
1373 * flow.c (flow_loops_dump): Add callback parameter.
1374 (flow_loop_dump): Add callback parameter and call it. Move
1375 loop note debugging code to loop_dump_aux.
1377 * basic-block.h (flow_loop_dump): Add callback parameter
1378 (flow_loops_dump): Likewise.
1380 * toplev.c (rest_of_compilation): Add NULL callback function pointer
1381 to call to flow_loops_dump.
1383 2000-08-26 Michael Hayes <mhayes@cygnus.com>
1385 * loop.c (count_loop_regs_set): Replace start and end arguments
1386 with loop argument. All callers udated.
1388 2000-08-26 Michael Hayes <mhayes@cygnus.com>
1390 * loop.c (constant_high_bytes): Delete.
1392 2000-08-26 Michael Hayes <mhayes@cygnus.com>
1394 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
1395 and NOTE_INSN_LOOP_VTOP to...
1396 (find_and_verify_loops) ...here.
1398 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
1400 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
1401 (fini_dummy, init_dummy): Use it.
1403 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
1405 * cpplex.c (is_macro_disabled): Caller has already checked
1406 that we're not a preprocessed file.
1408 2000-08-24 Mark Mitchell <mark@codesourcery.com>
1410 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
1411 (c-iterate.o): Remove target.
1412 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
1413 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
1414 (finish_decl): Don't handle iterators.
1415 (grokdeclarator): Likewise.
1416 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
1417 * gcc/c-gperf.h: Regenerated.
1418 * gcc/c-iterate.c: Removed.
1419 * gcc/c-lex.c (init_lex): Don't handle iterators.
1420 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
1421 (compstmt_primary_start): Remove push_iterator_stack call.
1422 (stmt): Don't allow iterator statements. Replace iterator_expand
1423 with expand_expr_stmt.
1424 (all_iter_stmt): Remove.
1425 (all_iter_stmt_simple): Likewise.
1426 (all_iter_stmt_with_decl): Likewise.
1427 * gcc/c-tree.h (ITERATOR_P): Remove.
1428 (ITERATOR_BOUND_P): Likewise.
1429 (init_iterators): Remove declaration.
1430 (iterator_expand): Likewise.
1431 (iterator_for_loop_start): Likewise.
1432 (iterator_for_loop_end): Likewise.
1433 (iterator_for_loop_record): Likewise.
1434 (push_iterator_stack): Likewise.
1435 (pop_iterator_stack): Likewise.
1436 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
1437 (readonly_warning): Likewise.
1438 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
1440 2000-08-24 Jim Wilson <wilson@cygnus.com>
1442 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
1443 Copy type in a TYPE_DECL, just like pushdecl does.
1445 2000-08-24 Richard Henderson <rth@cygnus.com>
1447 * toplev.c (main): Enable flag_reorder_blocks at -O2.
1449 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
1451 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
1452 asked for one page, allocate GGC_QUIRE_SIZE of them and put
1453 the extras on the free list.
1454 (release_pages): Clean up.
1455 (ggc_set_mark): Don't adjust G.allocated here...
1456 (sweep_pages): ... do it here.
1458 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
1460 * cppfiles.c (read_include_file): Rearrange initializations.
1462 2000-08-24 Richard Henderson <rth@cygnus.com>
1464 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
1466 * config/ia64/ia64-protos.h: Update.
1467 * config/ia64/ia64.c (gr_register_operand): New.
1468 (fr_register_operand, grfr_register_operand): New.
1469 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
1470 (grfr_reg_or_8bit_operand): New.
1471 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
1472 use gr_register_operand.
1473 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
1474 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
1475 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
1476 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
1477 (fr_reg_or_fp01_operand): Likewise.
1478 (not_postinc_memory_operand): New.
1479 (ia64_split_timode): Remove unused variables.
1480 (rtx_needs_barrier): Check arguments to cmpxchg.
1481 (builtin_description): Remove.
1482 (bdesc_2argsi, bdesc_2argdi): Remove.
1483 (ia64_init_builtins): Declare all builtins directly.
1484 (ia64_expand_fetch_and_op): Rewrite to be called from
1485 ia64_expand_builtin directly. Use expand_binop and co.
1486 (ia64_expand_op_and_fetch): Likewise.
1487 (ia64_expand_compare_and_swap): Likewise.
1488 (ia64_expand_binop_builtin): Remove.
1489 (ia64_expand_lock_test_and_set): New.
1490 (ia64_expand_lock_release): New.
1491 (ia64_expand_builtin): Use them.
1492 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
1493 (EXTRA_CONSTRAINT): Use it.
1494 (PREDICATE_CODES): Update.
1495 * config/ia64/ia64.md (*): Use gr_register_operand and co.
1496 (mf): Indicate that we set memory as well as use it.
1497 (fetchadd_acq_si): Show memory being modified as well.
1498 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
1499 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
1500 (lock_test_and_set_si, lock_test_and_set_di): Remove.
1501 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
1502 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
1503 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
1504 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
1505 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
1506 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
1507 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
1508 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
1509 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
1510 return type. Pretty print definitions.
1512 2000-08-24 Jim Wilson <wilson@cygnus.com>
1514 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
1515 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
1517 2000-08-24 Jason Merrill <jason@redhat.com>
1519 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
1520 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
1521 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
1522 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
1524 2000-08-24 Greg McGary <greg@mcgary.org>
1526 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
1527 and extendtab within their proper array boundaries.
1528 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
1529 for the entire array.
1531 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
1532 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
1533 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
1534 * config/fr30/fr30.c (fr30_print_operand): Likewise.
1535 * config/i386/dgux.c (output_options): Likewise.
1536 * config/i386/dgux.h (ASM_FILE_START): Likewise.
1537 * config/m88k/m88k.c (output_options): Likewise.
1538 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
1539 * config/mcore/mcore.c (mcore_output_inline_const_forced,
1540 layout_mcore_frame, handle_structs_in_regs): Likewise.
1541 * config/mips/mips.c (output_block_move): Likewise.
1542 * config/rs6000/rs6000.c (rs6000_override_options,
1543 rs6000_file_start): Likewise.
1544 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
1545 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
1546 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
1547 * builtins.c (expand_builtin_setjmp): Likewise.
1548 * expr.c (safe_from_p): Likewise.
1549 * flow.c (life_analysis): Likewise.
1550 * fold-const.c (size_int_type_wide): Likewise.
1551 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
1552 * genattrtab.c (make_length_attrs): Likewise.
1553 * genopinit.c (gen_insn): Likewise.
1554 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
1555 * global.c (global_alloc): Likewise.
1556 * local-alloc.c (find_free_reg): Likewise.
1557 * mips-tdump.c (print_symbol): Likewise.
1558 * mips-tfile.c (parse_def, parse_input): Likewise.
1559 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
1560 * stmt.c (expand_nl_goto_receiver): Likewise.
1561 * stor-layout.c (set_sizetype): Likewise.
1562 * varasm.c (decode_reg_name): Likewise.
1563 * toplev.c (decode_f_option, decode_W_option,
1564 set_target_switch, print_switch_values): Likewise.
1565 (NUM_ELEM): Remove macro.
1566 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
1568 2000-08-24 Greg McGary <greg@mcgary.org>
1570 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
1571 (MAIN_NAME_P, main_identifier_node): New macros.
1572 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
1573 * c-decl.c (start_decl, grokdeclarator, start_function,
1574 store_parm_decls, finish_function): Use MAIN_NAME_P.
1575 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
1576 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
1577 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
1578 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
1580 2000-08-24 Greg McGary <greg@mcgary.org>
1582 * cppfiles.c (actual_directory): Don't write beyond `dir'
1583 when it contains "".
1584 * real.c (asctoeg): Stay within bounds of etens[][].
1586 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1588 * dependence.c (dependence_string, direction_string,
1589 dump_one_node, dump_node_dependence): Hide unused identifiers.
1590 (get_low_bound, normalize_coefficients): Match definition to
1592 (get_one_coefficient): Initialize variables `value0_is_idx' and
1594 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
1595 (ziv_test): Delete variable `idx', use parameter `sub' instead.
1596 (direction_merge): Avoid automatic aggregate initialization.
1597 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
1598 Initialize variables `dest_idx' and `src_idx'.
1599 (end_dependence_analysis): Avoid C89 style function definition.
1601 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
1603 * c-common.c (time_char_table): Don't allow width with %F.
1604 (check_format_info): Don't allow "Z" length with scanf.
1606 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
1608 * diagnostic.c (finish_diagnostic): Define.
1609 (output_do_printf): Use wrap_text instead of output_add_string.
1610 (default_print_error_function): Avoid embedded '\n'.
1612 * diagnostic.h (flush_diagnostic_buffer): Declare.
1614 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
1616 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
1618 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
1620 * Makefile.in (GCC_PASSES): Add specs.
1622 2000-08-23 Jim Wilson <wilson@cygnus.com>
1624 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
1625 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
1626 EHANDLER nor UHANDLER bit is set.
1627 (__get_except_table): Likewise.
1629 2000-08-23 Nick Clifton <nickc@redhat.com>
1631 * config/arm/lib1funcs.asm: Replace upper case condition codes
1632 with lower case versions.
1634 * config/arm/arm.h (STRUCT_VALUE): Define.
1635 (STRUCT_VALUE_REGNUM): Delete.
1637 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
1639 * cpphash.h (IN_I): New flag for directive table.
1640 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
1642 (_cpp_check_directive): If -fpreprocessed, execute directives
1643 marked with IN_I. Issue no warnings in this case.
1644 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
1646 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
1648 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
1650 (check_format_info): Support printf 'I' flag; warn about it with
1653 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
1655 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
1656 barrier can't be ignored by the alias analysis code.
1658 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
1660 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
1661 works inside fixincl.
1663 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
1665 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
1666 simplify_relational_operation() unless both operands are of
1668 * cse.c (fold_rtx): Likewise.
1670 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
1672 * rtlanal.c (rtx_unstable_p): The pic register is stable
1673 (within one function) and the actual rtx should be used
1674 when checking the registers.
1675 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
1677 * alias.c (true_dependence, write_dependence_p): Fix
1678 bug in previous patch.
1680 * i386.c (ix86_GOT_alias_set): New.
1681 (legitimize_pic_address): Use it.
1683 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
1684 only stable if its address is stable.
1685 (rtx_varies_p): An unchanging MEM can't vary if
1686 its address doesn't vary.
1688 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1690 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
1692 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1694 * vax.h (ASM_SPEC): Pass `-J' to assembler.
1695 * x-vax-gcc: New file for bootstrapping with gcc.
1696 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
1697 * configure.in: Use x-vax-gcc with gcc.
1698 * configure: Rebuilt.
1700 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1702 * toplev.c (rest_of_compilation): Rebuild label notes after
1703 post-reload splitting pass if new labels have been created.
1705 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1707 * diagnostic.h (output_buffer_state): New macro.
1708 * diagnostic.c (diagnostic_for_decl, sorry,
1709 default_print_error_function, output_do_verbatim,
1710 report_diagnostic, report_problematic_module): Use it.
1712 (output_format): Use wrap_text instead of maybe_wrap_text.
1714 2000-08-22 Nick Clifton <nickc@redhat.com>
1716 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
1717 Common code for ARM divide and modulus functions.
1718 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
1720 (FUNC_END): New macro: Common code at the end of the division and
1722 (THUMB_FUNCTION_START): New macro: Common code at the start of
1724 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
1726 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
1728 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
1730 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
1731 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
1734 2000-08-22 Nick Clifton <nickc@redhat.com>
1736 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
1737 restorative additions, test for bottom bits of IP being set,
1738 rather than relying upon the RORs not matching.
1741 2000-08-22 David Edelsohn <edelsohn@gnu.org>
1743 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
1744 text_section() as appropriate instead of emitting text csect
1746 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
1747 (UNIQUE_SECTION): Define macro.
1748 (ASM_OUTPUT_SECTION_NAME): Define macro.
1749 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
1750 on AIX if debugging and -fdata-sections always.
1752 2000-08-22 Steven King <sxking@uswest.net>
1754 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
1756 (LDBL_MAX): Same here.
1758 2000-08-22 Richard Henderson <rth@cygnus.com>
1760 * flow.c (tidy_fallthru_edge): Update b->end properly.
1762 2000-08-22 Stan Cox <scox@redhat.com>
1764 * Makefile.in (OBJS): Add dependence.o.
1765 * dependence.c: New file.
1767 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
1769 * calls.c (check_sibcall_argument_overlap_1): Adjust for
1771 (check_sibcall_argument_overlap): Likewise.
1773 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
1775 * invoke.texi (SH Options): Document -m4-nofpu,
1776 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
1777 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
1779 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
1781 * c-common.c (check_format_info): Give the 'some locales' warning
1782 for strftime %Ey rather than the unconditional 'only last 2 digits
1785 2000-08-22 Richard Henderson <rth@cygnus.com>
1787 * alias.c (init_alias_analysis): Do not register
1788 struct_value_incoming_rtx or static_chain_rtx as pointing
1791 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
1793 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
1795 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
1797 * diagnostic.h (report_problematic_module): Declare.
1798 * diagnostic.c (report_problematic_module): New function.
1799 (report_error_function): Tweak.
1801 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1803 * stmt.c (expand_goto_internal, fixup_gotos): Only check
1804 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1806 2000-08-21 Richard Henderson <rth@cygnus.com>
1808 * flow.c (calculate_global_regs_live): Mark frame pointer live
1809 everywhere before reload.
1811 2000-08-21 Jim Wilson <wilson@cygnus.com>
1813 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
1814 INTEL_EXTENDED_IEEE_FORMAT.
1815 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
1816 clear last two bytes of output FP value.
1818 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
1820 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
1822 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1824 * unroll.c (loop_find_equiv_value): If ret is modified between
1825 insn and loop_start, ret might not be equivalent to reg.
1827 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1829 * c-common.c (init_dollar_format_checking,
1830 maybe_read_dollar_number, finish_dollar_format_checking): New
1832 (dollar_arguments_used, dollar_arguments_count,
1833 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
1835 (check_format_info): Support $ formats for scanf and printf width
1836 and precision. Always increment format_chars to advance past the
1837 '*' of precision, not just when the format parameters are
1840 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * mips.c (block_move_loop, expand_block_move,
1843 function_arg_partial_nregs, save_restore_insns, function_prologue,
1844 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
1846 (function_arg_advance, function_arg): Match argument to format
1849 2000-08-21 Nix <nix@esperi.demon.co.uk>
1851 * gcc.c (do_spec_1): Implement %j spec flag.
1852 Remove dead comment.
1854 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
1855 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
1856 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
1857 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
1859 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
1860 writable) instead of hardcoded value.
1862 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
1864 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
1867 * gcc.c (cc1_options): Do not process -o or run the assembler if
1869 * objc/lang-spec.h: Likewise.
1871 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
1873 * fixinc/fixincl.c (fix_with_system): Pipe the output of
1874 "external" fixes through `cat', to avoid truncating the input
1875 file by redirection.
1877 2000-08-21 Jakub Jelinek <jakub@redhat.com>
1879 * config/i386/i386.md (lea_general_1): Copy insn condition to split
1881 (lea_general_2, lea_general_3): Likewise.
1883 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1885 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
1886 warnings to user code.
1888 * c-lex.c (readescape, yylex): Likewise.
1890 * c-typeck.c (store_init_value, process_init_element): Likewise
1891 (c_expand_start_case): Format.
1893 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
1895 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
1897 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
1898 and linker_endian_spec to endian_spec.
1899 (ENDIAN_SPEC): Add %{EB} and %{EL}.
1900 (LINK_SPEC): Remove %{EB} and %{EL}.
1901 (ASM_SPEC): Likewise. Use %(endian_spec).
1903 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1905 * c-tree.h (flag_hosted): Move declaration from here...
1906 * c-common.h (flag_hosted): ... to here.
1907 (flag_noniso_default_format_attributes): New declaration.
1908 * c-decl.c (flag_noniso_default_format_attributes): New variable.
1909 (c_decode_option): Set it appropriately for options choosing
1910 language standard variant.
1911 * c-common.c (init_function_format_info): Only provide default
1912 format attributes if flag_hosted. Only provide the gettext
1913 formats if flag_noniso_default_format_attributes. Update
1915 (check_format_info): Disable treatment of %a as a scanf flag in
1918 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1920 * c-common.c (scan_char_table): Add 'w' to flags for all formats
1922 (check_format_info): Set 'wide' for scanf format widths. Warn for
1923 a zero scanf width. Make the check for writing into a constant
1924 object at the first level of indirection; at later levels, warn if
1925 any type qualifiers are encountered.
1927 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
1929 * reload.c (reload_inner_reg_of_subreg): New function broken out of
1931 (push_reload): Use reload_inner_reg_of_subreg.
1932 (combine_reloads): Do not combine reloads if the input reload
1933 is a SUBREG in which the inner part will need reloading.
1935 * global.c (global_alloc): Avoid passing dumpfile argument to
1937 * toplev.c (rest_of_compilation): Likewise.
1938 * reload.h (reload): Remove dumpfile argument. Callers changed.
1939 (debug_reload, debug_reload_to_stream): Move prototypes here.
1940 * rtl.h (reload): Remove dumpfile argument.
1941 * reload.c (debug_reload): Remove prototype.
1942 (debug_reload_to_stream): Likewise.
1943 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
1946 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1948 * diagnostic.c (context_as_prefix): Export.
1949 (need_error_newline): Remove.
1950 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
1951 (error_module_changed, record_last_error_module,
1952 error_function_changed, record_last_error_function): New functions.
1953 (initialize_diagnostics): Default intialize
1954 lang_diagnostic_starter, lang_diagnostic_finalizer.
1955 (init_output_buffer): Tweak.
1956 (file_name_as_prefix): New function.
1957 (announce_function, default_print_error_function,
1958 report_error_function, set_diagnostic_context): Tweak.
1960 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
1962 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
1963 condition expression.
1965 2000-08-20 Richard Henderson <rth@cygnus.com>
1967 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
1969 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
1971 * cppinit.c (cpp_init): Set global flag when called.
1972 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
1974 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
1976 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
1977 before `process_directive' so that newlines won't be missed
1979 (cpp_printf): Increment `print->lineno' when newline is emitted.
1981 * cppmain.c (cb_ident): Likewise.
1982 (cb_define): Likewise.
1983 (cb_undef): Likewise.
1984 (cb_include): Likewise.
1985 (cb_def_pragma): Likewise.
1986 (dump_macros_helper): Likewise.
1988 2000-08-20 Richard Henderson <rth@cygnus.com>
1990 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
1991 assigned before a loop.
1993 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
1994 (ashrsi3, lshrsi3): Likewise.
1996 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1998 * c-lang.c: #include diagnostic.h
1999 (c_tree_printer): New function.
2000 (lang_init): Initialize lang_printer.
2002 * Makefile.in (c-lang.o): Depends on diagnostic.h
2004 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
2006 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
2008 * diagnostic.c (default_diagnostic_starter,
2009 default_diagnostic_finalizer): New functions.
2010 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
2011 (pedwarn, pedwarn_with_file_and_line, error,
2012 error_with_file_and_line, fatal, warning,
2013 warning_with_file_and_line): Adjust call to report_diagnostic.
2014 (report_diagnostic): Rework.
2015 (set_diagnostic_context): New function.
2017 * diagnostic.h (struct diagnostic_context): New data structure.
2018 (diagnostic_message, diagnostic_argument_list,
2019 diagnostic_file_location, diagnostic_line_location,
2020 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
2021 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
2022 (set_diagnostic_context): Declare.
2023 (report_diagnostic): Change prototype.
2025 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
2027 * fix-header.c (main): Initialize cpplib.
2029 2000-08-19 Michael Meissner <meissner@redhat.com>
2031 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
2032 instructions in it before checking for indirect jumps.
2034 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
2035 in a indirect jump as a potential for conditional execution.
2037 * d30v.h (d30v_init_expanders): Don't declare here.
2038 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
2041 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
2043 * cpp.texi: Add @section for assertions.
2045 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
2047 * loop.c (scan_loop): Use CONST_CALL_P instead of
2048 checking for REG_LIBCALL / REG_RETVAL.
2050 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
2052 * reload1.c (reload_as_needed): Accept dumpfile argument,
2053 pass it to emit_reload_insns.
2054 (emit_reload_insns): Add new dumpfile argument. If non-null
2055 then dump the reloads for each insn into the dumpfile.
2056 (reload): Pass dumpfile to reload_as_needed.
2058 * invoke.texi: Clean up linux-gnu vs linux comments.
2060 2000-08-19 Richard Henderson <rth@cygnus.com>
2062 * config/ia64/ia64.c (reg_or_5bit_operand): New.
2063 (ia64_depz_field_mask): New.
2064 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
2065 (PREDICATE_CODES): Update.
2066 * config/ia64/ia64.md: Update commentary.
2067 (depz_internal): New.
2068 (ashlsi3): Implement directly.
2069 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
2070 (ashldi3): Use shladd.
2071 * config/ia64/ia64-protos.h: Update.
2073 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
2075 * toplev.c (independent_decode_option): Always process -g.
2076 Remove third argument, now unused. Adjust caller to match.
2078 2000-08-18 Richard Henderson <rth@cygnus.com>
2080 * combine.c (make_compound_operation): Break after creating
2083 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
2085 * cpplib.c (cpp_register_pragma_space): Just return if the
2086 namespace is already registered.
2088 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
2090 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
2091 constant amount. Do not generate ROTL instruction.
2093 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
2095 * config/sh/elf.h: Do not include sh/sh.h.
2096 * config/sh/rtems.h: Likewise.
2097 * config/sh/rtemself.h: Do not include sh/elf.h.
2098 * configure.in: Get them included with `tm_file's.
2099 * configure: Rebuilt.
2101 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
2102 * config/sh/sh.c (fpscr_set_from_mem): Use them.
2104 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2106 * stor-layout.c (compute_record_type): Don't use mode of single
2107 field as mode of record if not integer mode of same type.
2109 * regmove.c (perhaps_ends_bb_p): New function.
2110 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
2111 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
2112 (fixup_match_1): Likewise.
2113 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
2114 avoid signed/unsigned warnings.
2116 * function.c (fixup_var_refs_1, case MEM): Update CODE after
2119 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
2121 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
2122 (_cpp_trigraph_map): Declaration moved from cpplex.c
2124 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
2125 instead of 256. Use consistent test for designated initializers.
2126 (cpp_init): Initialize trigraph_map.
2127 (initialize_standard_includes, parse_option): Use memcmp
2130 * cpplex.c (init_trigraph_map): Remove.
2131 (trigraph_ok, trigraph_replace, lex_line): Refer to
2134 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
2135 (do_unassert): Remove unused "next" local.
2137 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
2139 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
2141 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
2144 2000-08-17 Richard Henderson <rth@cygnus.com>
2146 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
2147 the first insn in a sequence.
2149 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
2151 * alias.c (true_dependence, write_dependence_p): A read
2152 involving a label_ref or the constant pool doesn't create
2155 * rtl.h (unchanging): Improve documentation.
2157 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
2159 * cse.c (insert_regs): Remove unused `regno'.
2161 2000-08-17 Neil Booth <NeilB@earthling.net>
2163 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
2164 remove_dup_dirs. If qtail == brack, remove brack not
2166 (remove_dup_dir, remove_dup_dirs): New functions.
2168 2000-08-17 Neil Booth <NeilB@earthling.net>
2170 * cppinit.c (cpp_cleanup): Free include dir chains.
2171 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
2172 (do_unassert): Free the assert with _cpp_free_definition.
2173 * cppmacro.c (_cpp_free_definition): Free memory allocated for
2174 assertions. Make the node a T_VOID node.
2176 2000-08-17 Neil Booth <NeilB@earthling.net>
2178 * cppinit.c (path_include, append_include_chain):
2179 Remove 2nd parameter (struct cpp_pending *).
2180 (path_include, initialize_standard_includes, cpp_handle_option):
2181 Update callers appropriately.
2182 (cpp_handle_option): Use pend.
2184 2000-08-17 Neil Booth <NeilB@earthling.net>
2186 * cppinit.c (sort_options): Remove, put functionality in
2189 (initialize_builtins): Free memory.
2190 (cpp_start_read): Move init_IStable to cpp_init.
2192 * cpplib.h (cpp_init): New prototype.
2193 * cppmain.c (main): Call cpp_init.
2195 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
2197 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
2198 (rtx_unstable_p, rtx_varies_p): Process vectors.
2200 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2202 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
2203 references to GLOBAL symbols. Use LOCAL where appropriate.
2205 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2207 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
2208 use t-aix41 when host == target.
2210 2000-08-16 Richard Henderson <rth@cygnus.com>
2212 * reload.c (push_secondary_reload): Revert last change.
2213 If we use a reload_in/out pattern, make the when the same
2214 as the primary reload.
2215 (find_reloads): Likewise.
2217 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
2219 * configure.in (libstdcxx-v3): Fix test.
2220 * configure: Regenerate.
2222 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2224 * calls.c (calls_function_1, expand_call): Only test
2225 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
2226 * function.c (thread_prologue_and_epilogue_insns): Likewise.
2228 2000-08-16 Richard Henderson <rth@cygnus.com>
2230 * combine.c (simplify_shift_const): Revert previous two
2231 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
2232 before the main loop.
2234 2000-08-15 Richard Henderson <rth@cygnus.com>
2236 * combine.c (simplify_shift_const): Bound shift count when
2239 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2241 * calls.c (ECF_SP_DEPRESSED): New macro.
2242 (calls_function_1): Treat calling sp-depressed function as alloca.
2243 (emit_call_1): Don't adjust SP if calling sp-depressed function.
2244 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
2245 If sp-depressed, ensure block saves and restores SP.
2246 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
2248 * function.c (keep_stack_depressed): New function.
2249 (thread_prologue_and_epilogue_insns): Call it.
2250 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
2251 to print DECL_OFFSET_ALIGN.
2252 Print no-force-blk and transparent-union flags properly.
2253 * stmt.c (expand_goto_internal): Don't restore stack if last block
2254 and function returns with sp depressed.
2255 (fixup_gotos): Likewise.
2256 (save_stack_pointer): New function, from code in expand_decl.
2257 (expand_decl): Call new function.
2258 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
2259 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
2260 (save_stack_pointer): New declaration.
2262 * diagnostic.c (fatal_function): New variable.
2263 (set_fatal_function): New function.
2265 * diagnostic.h (set_fatal_function): New declaration.
2267 2000-08-15 William Cohen <wcohen@redhat.com>
2269 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
2270 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
2271 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
2273 2000-08-15 Richard Henderson <rth@cygnus.com>
2275 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
2277 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
2279 * arm.c (arm_function_ok_for_sibcall): New function.
2280 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
2281 * arm.md (call expanders): Don't check here for calls that can't
2284 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
2286 * arm.md (splits generating cond_exec): Disable.
2288 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
2290 * arm/linux-elf.h (text_section): Delete declaration.
2292 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
2294 ARM support for unordered FP operations.
2295 * arm-protos.h (arm_comparison_operator): Declare.
2296 * arm.c (arm_comparison_operator): New function.
2297 (arm_select_cc_mode): Add unordered comparison codes.
2298 (get_arm_condition_code): Likewise.
2299 (arm_final_prescan_insn): Can't handle unordered jumps that can't
2300 be done in one insn.
2301 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
2302 * arm.md (all uses of comparison_operator): Replace with
2303 arm_comparison_operator.
2304 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
2306 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
2309 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2311 * gthr-posix.h: Conditionally include <sched.h>; include
2312 <config.h> from libobjc/.
2314 2000-08-14 Richard Henderson <rth@cygnus.com>
2316 * config/i386/i386.c (legitimize_pic_address): Use Pmode
2319 2000-08-14 Richard Henderson <rth@cygnus.com>
2321 * configure.in (ia64-*): Set float_format for i386 long double.
2323 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
2324 as we would for i386 XFmode.
2325 (PUT_REAL): Likewise.
2326 (endian, ereal_atof, real_value_truncate): Likewise.
2327 (ereal_isneg, toe64, etens, make_nan): Likewise.
2328 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
2330 * config/ia64/ia64-protos.h: Update.
2331 * config/ia64/ia64.c (general_tfmode_operand): New.
2332 (destination_tfmode_operand): New.
2333 (tfreg_or_fp01_operand): New.
2334 (ia64_split_timode): New.
2335 (spill_tfmode_operand): New.
2336 (ia64_expand_prologue): Use TFmode not XFmode.
2337 (ia64_expand_epilogue): Likewise.
2338 (ia64_function_arg): Likewise.
2339 (ia64_function_arg_advance): Likewise.
2340 (ia64_return_in_memory): Likewise.
2341 (ia64_function_value): Likewise.
2342 (ia64_print_operand): Likewise.
2343 (ia64_register_move_cost): Set GR<->FR to 5.
2344 (ia64_secondary_reload_class): Get GR for TImode memory op.
2345 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
2346 (ROUND_TYPE_ALIGN): Remove.
2347 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
2348 (INTEL_EXTENDED_IEEE_FORMAT): Define.
2349 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
2350 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
2351 (MODES_TIEABLE_P): Use TFmode, not XFmode.
2352 (CLASS_MAX_NREGS): Likewise.
2353 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
2354 (PREDICATE_CODES): Update.
2355 * config/ia64/ia64.md (movti): New.
2356 (movti_internal): Use a clobber for memory alternatives.
2357 (reload_inti, reload_outti): New.
2358 (movsfcc_astep): Predicate properly.
2359 (movdfcc_astep): Likewise.
2362 (extendsftf2, extenddftf2): New.
2363 (trunctfsf2, trunctfdf2): New.
2364 (floatditf2, fix_trunctfdi2): New.
2365 (floatunsditf2, fixuns_trunctfdi2): New.
2366 (addtf3, subtf3, multf3, abstf2): New.
2367 (negtf2, nabstf2, mintf3, maxtf3): New.
2368 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
2370 (fr_spill): Use TFmode, not XFmode.
2371 (fr_restore): Likewise.
2372 * config/ia64/lib1funcs.asm (__divtf3): New.
2373 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
2375 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2377 * cse.c (fold_rtx): Avoid empty body in an if-statement.
2379 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
2380 `U' integer constant suffix.
2382 * dwarf2out.c (add_subscript_info): Avoid empty body in an
2385 * sparc/sol2.h (__enable_execute_stack): Prototype.
2387 2000-08-14 David Edelsohn <edelsohn@gnu.org>
2389 * collect2.c: Remove use of AIX import file.
2391 * longlong.h: Test ARCH_PWR not ARCH_POWER.
2393 * rs6000.c (print_operand, case 'E'): Add else.
2395 2000-08-14 Richard Henderson <rth@cygnus.com>
2397 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
2398 (movdi_symbolic): New.
2400 2000-08-14 Jim Wilson <wilson@cygnus.com>
2402 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
2403 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
2404 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
2407 2000-08-14 Richard Henderson <rth@cygnus.com>
2409 * expr.c (emit_group_load): Don't force constants into registers.
2410 Special case source already in the correct mode.
2412 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
2414 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
2415 * fixinc/inclhack.def: Likewise.
2416 * fixinc/mkfixinc.sh: Likewise.
2417 * configure: Regenerate.
2418 * fixinc/fixincl.x: Regenerate.
2419 * install.texi: Document equivalence of linux and linux-gnu.
2421 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2423 * cse.c (insert_regs): Also in REG case: When finding an invalid
2424 value, and we make a new quantity, make sure that it won't be
2425 mistaken by for a valid one by mention_regs.
2427 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
2429 * h8300.md: Remove obsolete peepholes.
2431 2000-08-13 Kazu Hirata <kazu@hxi.com>
2433 * invoke.texi (H8/300 Options): Fix typos.
2434 * config/h8300.c: Fix formatting.
2435 * config/h8300.h: Fix comment typos.
2436 (OVERRIDE_OPTIONS): Fix formatting.
2438 * function.c: Fix formatting.
2440 * cse.c: Fix formatting.
2442 2000-08-13 Geoff Keating <geoffk@cygnus.com>
2444 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
2445 (attempt_auto_inc): Suppress parentheses warning.
2446 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
2447 * loop.c (load_mems): Remove `u' suffix in two places.
2448 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
2450 * config/rs6000/rs6000.h: Likewise.
2451 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
2452 __eabi dummy routine.
2453 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
2456 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
2457 not put stuff in .sdata unnecessarily.
2458 (rs6000_unique_section): New function.
2459 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
2460 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
2462 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
2463 arrays in C99. Don't try to look at DECL_REGISTER of a
2464 COMPONENT_REF. Don't complain twice about the same error.
2466 * fixinc/inclhack.def (aix_pthread): New fix.
2467 (aix_sysmachine): New fix.
2468 * fixinc/fixincl.x: Regenerate.
2470 * expr.c (expand_expr): Call convert_modes when turning a large
2471 multiply into a small one.
2473 2000-08-12 Geoff Keating <geoffk@cygnus.com>
2475 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
2476 the tree structure an exponent rather than an explicit alignment
2477 so it doesn't overflow.
2478 (SET_DECL_OFFSET_ALIGN): New macro.
2479 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
2480 rather than DECL_OFFSET_ALIGN.
2481 (place_field): Likewise.
2482 * expmed.c (store_bit_field): Abort on align==0 to avoid
2483 antisocial machine behaviour.
2485 2000-08-12 Richard Henderson <rth@cygnus.com>
2487 * sibcall.c (uses_addressof): Accept both addressof and
2488 current_function_internal_arg_pointer inside a mem.
2489 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
2490 if current_function_uses_addressof.
2491 * stmt.c (expand_return): Kill tail recursion and HAVE_return
2494 2000-08-11 Richard Henderson <rth@cygnus.com>
2496 * config/ia64/ia64.md (addsi3): Remove expander.
2497 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
2498 (*addsi3_shladd): New.
2500 2000-08-11 Richard Henderson <rth@cygnus.com>
2502 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
2503 (do_restore): Likewise.
2504 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
2505 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
2506 (rtx_needs_barrier): Track actual bit manipulation for
2507 ar.unat moves, gr_spill, and gr_restore.
2508 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
2509 (process_set): Don't handle varargs spills.
2510 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
2511 .mem.offset here instead of in process_set.
2512 (gr_restore): Likewise.
2514 2000-08-11 Richard Henderson <rth@cygnus.com>
2516 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
2518 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
2520 * gcc.texi (The Configuration File): Document
2521 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
2522 UPDATE_PATH_HOST_CANONICALIZATION.
2524 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2526 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
2527 unprototyped function pointer casts on integer constants.
2529 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
2531 * fixproto: Recognize DOS paths with drive letters as absolute paths.
2533 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
2535 * extend.texi (Volatiles): Fix typos.
2537 2000-08-11 Kazu Hirata <kazu@hxi.com>
2539 * flow.c: Fix formatting.
2541 2000-08-11 Richard Henderson <rth@cygnus.com>
2543 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
2544 pattern, always allocate a tertiary scratch register.
2546 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
2547 (reload_inhi): Likewise.
2549 2000-08-11 Richard Henderson <rth@cygnus.com>
2551 * function.c (put_reg_into_stack): Allow type to be NULL.
2552 (schedule_fixup_var_refs): Likewise.
2553 (gen_mem_addressof): Allow decl to be NULL.
2554 (put_addressof_into_stack): Likewise.
2556 * flow.c (merge_blocks_nomove): Be more careful about
2557 locating the beginning of block A.
2559 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
2561 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2566 * config.in: Reverted the check for <sched.h>.
2568 2000-08-10 Chris Demetriou <cgd@sibyte.com>
2570 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
2571 macros define the name of CTOR and DTOR sections.
2572 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
2573 DTOR_LIST_END): Change to use attributes to specify
2575 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
2576 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
2577 DTOR_LIST_END): Same as in mips/elf.h.
2579 2000-08-10 Drew Moseley <dmoseley@redhat.com>
2581 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
2582 disabling just crt0.o.
2584 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
2586 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
2587 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
2588 (EXTRA_SPECS): Add them.
2589 * arm/lib1funcs.asm: Support builds for interworking.
2590 Use macros to eliminate duplicated pieces of code.
2592 2000-08-10 Kazu Hirata <kazu@hxi.com>
2594 * h8300.c (expand_a_rotate): New.
2595 (emit_a_rotate): Likewise.
2596 (h8300_adjust_insn_length): Add support for the rotate insns.
2597 * h8300.md (rotlqi3): New.
2598 (*rotlqi3_1): Likewise.
2599 (rotlhi3): Likewise.
2600 (*rotlhi3_1): Likewise.
2601 (rotlhi3): Likewise.
2602 (*rotlhi3_1): Likewise.
2603 * h8300-proto.h: Add prototypes for expand_a_rotate and
2606 * h8300.c: Fix comment typos.
2607 (dosize): Declare the variable amount as unsigned.
2608 (get_shift_alg): Fix a comparison between signed and unsigned.
2609 (emit_a_shift): Likewise.
2610 (h8300_adjust_insn_length): Simplify the code.
2612 * c-decl.c: Fix formatting.
2614 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2616 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
2617 warning about non-traditional numeric constant suffixes.
2619 * cppexp.c (parse_number): Likewise.
2621 * invoke.texi: (-Wtraditional): Document new behavior.
2623 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2625 * gthr-posix.h: Include auto-host.h. Conditionally include
2627 * configure.in: Check for the <sched.h> header file.
2628 * config.in: Added define for HAVE_SCHED_H.
2630 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2632 * c-typeck.c (process_init_element): For -Wtraditional, warn about
2633 initialization of unions.
2635 * invoke.texi (-Wtraditional): Document new behavior.
2637 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
2639 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
2640 instead of extra_c_flags.
2641 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
2642 * configure: Regenerate.
2643 * config.in: Regenerate.
2645 * cpperror.c (cpp_type2name): New function.
2646 * cpplex.c (lex_line): If we issued an error for an invalid
2647 preprocessing directive, discard that logical line.
2648 * cpplib.c (do_line): Call a hook function if the current file
2649 is renamed by #line.
2650 (do_ident): Pass the contents of the string, not the entire
2651 token, to the callback function.
2652 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
2653 (cb.rename_file): New hook function.
2654 (cb.ident): Adjust prototype.
2655 (cpp_type2name): Prototype.
2656 * cppmacro.c (dump_macro_args): Correct precedence lossage.
2658 * cppmain.c (cb_ident): Update for changed interface.
2659 (cb_rename_file): New function.
2660 (main): Set rename callback.
2662 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
2664 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
2665 multi-word registers.
2667 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2669 * c-common.c (combine_strings, check_format_info): Refer to ISO C
2670 or ISO C89 instead of ANSI C.
2671 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
2672 build_enumerator, do_case): Likewise.
2673 * c-lex.c (parse_float, yylex): Likewise.
2674 * c-parse.in: Likewise.
2675 * c-typeck.c (common_type, build_array_ref, build_binary_op,
2676 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
2677 build_c_cast, convert_for_assignment, set_init_index,
2678 set_init_label, c_expand_start_case): Likewise.
2679 * toplev.c (documented_lang_options, display_help): Likewise.
2681 2000-08-08 Kazu Hirata <kazu@hxi.com>
2683 * h8300.c: Fix formatting.
2684 * h8300.h: Likewise.
2685 * h8300.md: Likewise.
2686 (movsi_h8300hs): Fix formatting of the resulting assembly code.
2688 * reload1.c: Fix formatting.
2690 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
2692 * alpha/alpha.c (alpha_emit_xfloating_libcall):
2693 Use GEN_CALL_VALUE define.
2694 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
2695 * clipper/clipper.md (untyped_call): Likewise.
2696 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
2697 * fx80/fx80.md (untyped_call): Likewise.
2698 * mips/mips.md (untyped_call): Likewise.
2699 * ns32k/ns32k.md (untyped_call): Likewise.
2700 * pa/pa.md (untyped_call): Likewise.
2701 * romp/romp.md (untyped_call): Likewise.
2702 * sparc/sparc.md (untyped_call): Likewise.
2704 2000-08-08 Jason Eckhardt <jle@cygnus.com>
2706 * config/i860/i860.c (singlemove_string): Do not generate assembler
2707 pseudo instructions that must be expanded (that is, with signed
2708 constants larger than 16 bits).
2710 2000-08-08 Richard Henderson <rth@cygnus.com>
2712 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
2713 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
2714 (init_propagate_block_info): Don't kill memory stores at -O0.
2715 (mark_set_1, mark_used_regs): Likewise.
2717 2000-08-08 David Edelsohn <edelsohn@gnu.org>
2719 * rs6000.c (optimization_options): Decorate 'level' as
2721 (mask64_operand): Remove sign-extend thinko.
2722 (rldic_operand): New function.
2723 (load_multiple_operation): regno's are unsigned ints.
2724 (store_multiple_operation): Likewise.
2725 (lmw_operation): Likewise.
2726 (stmw_operation): Likewise.
2727 (includes_lshift_p): shift_mask is unsigned int.
2728 (includes_lshift64_p): New function.
2729 (addrs_ok_for_quad_peep): unsigned int reg1.
2730 (print_operand): Consistently add "else" after
2731 output_operand_lossage().
2732 (print_operand, case 'b'): Fold in case 'W'.
2733 (print_operand, case 'W'): Print rldic MB value.
2734 (output_epilogue): Update Objective-C language string.
2735 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
2736 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
2737 * rs6000.md (ashldi3): Add rldic instruction.
2738 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
2739 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
2742 2000-08-08 Richard Henderson <rth@cygnus.com>
2744 * config/ia64/ia64-protos.h: Remove duplicates. Update
2745 for massive code rearrangements.
2746 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
2747 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
2748 (ia64_local_regs, ia64_need_regstk): Remove.
2749 (ar_ccv_reg_operand): New.
2750 (ia64_gp_save_reg): New.
2751 (struct ia64_frame_info): Combine most of the size elements;
2752 add new gr save elements.
2753 (find_gr_spill): New.
2754 (next_scratch_gr_reg): New.
2755 (mark_reg_gr_used_mask): New.
2756 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
2757 to GR backing store regs when possible.
2758 (ia64_initial_elimination_offset): New.
2759 (ia64_rap_fp_offset): Remove.
2760 (save_restore_insns): Remove.
2761 (setup_spill_pointers): New.
2762 (finish_spill_pointers): New.
2763 (spill_restore_mem): New.
2764 (do_spill, do_restore): New.
2765 (ia64_expand_prologue): Rewrite to use them.
2766 (ia64_expand_epilogue): Likewise.
2767 (ia64_direct_return): Update for current_frame_info changes.
2768 (ia64_function_prologue): Simplify .prologue emission. Emit
2770 (ia64_setup_incoming_varargs): Don't ever emit rtl.
2771 (ia64_dbx_register_number): New.
2772 (ia64_initialize_trampoline): New.
2773 (ia64_secondary_reload_class): Request GR_REGS for integer
2774 arithmetic destined for FR_REGS.
2775 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
2776 (ia64_mark_machine_status): Mark ia64_gp_save.
2777 (rws_access_regno): Rename from rws_access_reg; don't treat
2778 predicates specially.
2779 (rws_access_reg): New. Update all callers.
2780 (rtx_needs_barrier): Remove dead unspecs.
2781 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
2782 (ia64_encode_section_info): Silence signed/unsigned warnings.
2783 (spill_offset, sp_offset, spill_offset_emitted): Remove.
2784 (tmp_reg, tmp_saved): Remove.
2785 (process_set): Rewrite to expect complicated bits via
2786 REG_FRAME_RELATED_EXPR.
2787 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
2788 in the use of ar.ccv; never set RTX_UNCHANGING_P.
2789 (ia64_expand_op_and_fetch): Likewise.
2790 (ia64_expand_compare_and_swap): Likewise.
2791 (ia64_expand_builtin): Likewise.
2792 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
2793 (FIRST_PSEUDO_REGISTER): Update.
2794 (AR_M_REGNO_P): Update.
2795 (FIXED_REGS): Don't mark three local registers as used.
2796 (EXTRA_CC_MODES): New.
2797 (SELECT_CC_MODE): New.
2798 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
2799 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
2800 (FRAME_GROWS_DOWNWARD): Unset.
2801 (STARTING_FRAME_OFFSET): Zero.
2802 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
2803 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
2804 (HARD_FRAME_POINTER_REGNUM): New.
2805 (CAN_DEBUG_WITHOUT_FP): Define.
2806 (TRAMPOLINE_TEMPLATE): Remove.
2807 (TRAMPOLINE_SIZE): Lower to 32.
2808 (TRAMPOLINE_ALIGNMENT): Lower to 64.
2809 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
2810 (PREDICATE_CODES): Update.
2811 (struct machine_function): Add ia64_gp_save.
2812 * config/ia64/ia64.md: Purge unused unspecs.
2813 (movsi patterns): Allow moves to/from AR_M_REGS.
2814 (movdi patterns): Allow moves to/from p0.
2815 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
2816 (gr_spill, gr_restore): Indicate ar.unat read/written.
2817 (nonlocal_goto): Don't pass old frame_pointer.
2818 (nonlocal_goto_receiver): Remove.
2819 (exception_receiver): New.
2820 (builtin_setjmp_setup): New.
2821 (builtin_setjmp_receiver): New.
2822 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
2823 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
2824 (__ia64_restore_stack_nonlocal): Likewise.
2825 (__ia64_trampoline): New.
2826 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
2828 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
2830 2000-08-08 Richard Henderson <rth@cygnus.com>
2832 * frame.h (ia64_frame_state): Add my_psp.
2833 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
2834 (__throw): Pass it in. Don't clobber r7.
2835 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
2836 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
2837 and nothing to do with sp.
2838 (normalize_reg_loc): Use frame->my_psp.
2839 (frame_translate): Handle frame-pointer-less functions. Set
2840 spill_base correctly, in absence of being told.
2841 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
2842 (__ia64_backtrace_helper): New sp argument. Use
2843 builtin_return_address instead of label addresses.
2844 (print_record) [mem_stack_v]: No size member.
2846 2000-08-08 Richard Henderson <rth@cygnus.com>
2848 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
2850 2000-08-08 Richard Henderson <rth@cygnus.com>
2852 * tm.texi (LOCAL_REGNO): Document.
2853 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
2854 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
2855 * reload1.c (reload): Likewise when considering nonlocal labels.
2857 * config/ia64/ia64.h (LOCAL_REGNO): New.
2858 * config/sparc/sparc.h (LOCAL_REGNO): New.
2860 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
2862 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
2864 2000-08-07 Nick Clifton <nickc@redhat.com>
2866 * config/mips/mips.c: Fix compile time warning messages.
2867 * config/mips/mips-protos.h: Add prototype for equality_op.
2869 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
2871 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
2873 * mn10300.md: Use nonimmediate_operand instead of general_operand
2876 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
2878 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
2880 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
2881 * sh.c (expand_block_move): Break long lines.
2882 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
2883 * sh.md (mulsi3): Likewise.
2884 (movdi): Adjust spacing.
2886 2000-08-07 Richard Henderson <rth@cygnus.com>
2888 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
2889 * expr.c (emit_group_store): Don't set it.
2891 2000-08-07 Kazu Hirata <kazu@hxi.com>
2893 * invoke.texi (Options for Debugging Your Program or GCC): Remove
2894 duplicate entries for 'w' and 'z'.
2896 * flow.c: Fix a comment typo.
2898 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2900 * c-parse.in: Changed the language string for Objective-C to "GNU
2903 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2905 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
2906 to improve the Posix thread support for Objective-C.
2908 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
2910 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
2911 CTI_UNSIGNED_PTRDIFF_TYPE.
2912 (signed_size_type_node): Define.
2913 (unsigned_ptrdiff_type_node): Define.
2914 * c-decl.c (init_decl_processing): Create the
2915 signed_size_type_node and unsigned_ptrdiff_type_node types.
2916 * c-common.c (T_SC): Define.
2919 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
2920 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
2922 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
2923 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
2924 flags for %c, %s and %[.
2925 (check_format_info): Only allow leniency for signedness of targets
2926 of character pointers (when pedantic) for formats flagged with
2927 "c", so for strings but not for %hh formats. When pedantic, don't
2928 allow character pointers to substitute for void pointers if a
2929 second level of indirection is present.
2931 2000-08-06 Kazu Hirata <kazu@hxi.com>
2933 * invoke.texi (Options for Debugging Your Program or GCC): Update
2934 the names of dump files.
2936 * h8300.c (dosize): Rearrange code for conciseness.
2937 (split_adds_subs): Likewise.
2939 * loop.c: Fix formatting.
2941 * dwarf2out.c: Fix formatting.
2943 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
2945 * expr.c: Fix formatting.
2947 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2949 * rs6000.c (rs6000_maybe_dead): Prototype.
2951 2000-08-06 Richard Henderson <rth@cygnus.com>
2953 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
2954 HAVE_nonlocal_goto as well.
2955 * config/i960/i960.md (nonlocal_goto): Don't do it here.
2956 * config/pj/pj.md (nonlocal_goto): Likewise.
2958 2000-08-07 Michael Hayes <mhayes@cygnus.com>
2960 * loop.c (try_swap_copy_prop): New function.
2961 (load_mems): Rename copies to load_copies and add new regset
2962 store_copies. Check for sets of shadow registers and mark
2963 in store_copies. Call try_swap_copy_prop for registers
2964 marked in store_copies.
2966 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2968 * objc/objc-act.c: New command line option -fconstant-string-class
2969 to allow specifying a user defined constant string class,
2970 different from NXConstantString.
2972 * toplev.c: Moved the Objective-C specific options to
2973 objc/lang-options.h.
2975 * objc/lang-options.h: Moved the Objective-C specific options from
2976 toplev.c. Added -fconstant-string-class.
2978 2000-08-05 Chris Demetriou <cgd@sibyte.com>
2980 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2981 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
2982 __CTOR_LIST__ from func_ptr array to just func_ptr, to
2983 avoid extra alignment imposed on arrays.
2984 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2985 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
2987 * mips.h: Clean up comments and spacing near MASKs.
2988 (TARGET_UNIX_ASM): Delete.
2989 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
2990 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
2993 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
2995 * c-common.c (print_char_table): Add entries for the X/Open '
2996 format flag (print decimals with locale's thousands grouping
2997 character). Make %C expect wint_t.
2998 (check_format_info): If pedantic, warn when the %n$ operand
2999 number form is used. Allow for the ' flag; warn about it if
3002 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
3004 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
3005 type is a float mode, cfun->decl's return type is not, and
3006 TARGET_FLOAT_RETURNS_IN_80387.
3008 2000-08-04 Andreas Schwab <schwab@suse.de>
3010 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
3011 token list, which are always `#' and `pragma'.
3013 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
3015 * tree.c (tree_expr_nonnegative_p): Move to...
3016 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
3017 (rtl_expr_nonnegative_p): New.
3018 * tree.h: Add prototype for rtl_expr_nonnegative_p.
3020 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
3021 CONST_DOUBLE_CHAIN: Move to...
3022 * rtl.h: ...here. Use XCINT/XCEXP.
3024 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
3025 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
3026 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
3029 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
3031 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3033 * config/c4x/c4x.md (return_indirect_internal): New.
3034 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
3036 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
3038 * c-common.c (time_char_table): Mark up formats added in C99 and
3039 make other corrections. %D and %g were added in C99. %Og is an
3040 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
3041 C99. %e was added in C99. %Oj is an extension. %G and %z are in
3042 C99 rather than GNU extensions, but %OG and %Oz are extensions.
3043 %h was added in C99. %C was added in C99. %OY and %OC are
3044 extensions. Add the C99 format %F.
3045 (check_format_info): If pedantic and not in C99 mode, warn for C99
3048 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3050 * function.c (schedule_fixup_var_refs): New function, broken out
3051 of put_reg_into_stack.
3052 (put_reg_into_stack): Use it.
3053 (put_var_into_stack): In CONCAT case, fixup up references for
3054 components only after fixing up references to the whole concat.
3056 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
3058 * alias.c (mark_constant_function): Use INSN_P.
3059 (init_alias_analysis): Likewise.
3060 * combine.c (combine_instructions): Use INSN_P.
3061 (can_combine_p): Likewise.
3062 (try_combine): Likewise.
3063 (distribute_notes): Likewise.
3064 (distribute_links): Likewise.
3065 * cse.c (cse_around_loop): Use INSN_P.
3066 (invalidate_skipped_block): Likewise.
3067 (cse_set_around_loop): Likewise.
3068 (cse_end_of_basic_block): Likewise.
3069 (delete_trivially_dead_insns): Likewise.
3070 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
3071 (unshare_all_rtl_1): Likewise.
3072 (next_cc0_user): Likewise.
3073 (try_split make_insn_raw): Likewise.
3074 (remove_unnecessary_notes): Likewise.
3075 * final.c (shorten_branches): Use INSN_P.
3076 (leaf_renumber_regs): Likewise.
3077 (leaf_renumber_regs_insn): Likewise.
3078 * flow.c (find_label_refs): Use INSN_P.
3079 (verify_wide_reg): Likewise.
3080 (notice_stack_pointer_modification): Likewise.
3081 (count_or_remove_death_notes): Likewise.
3082 (verify_flow_info): Likewise.
3083 (clear_log_links): Likewise.
3084 * function.c (fixup_var_refs_insns): Use INSN_P.
3085 (compute_insns_for_mem): Likewise.
3086 * gcse.c (alloc_gcse_mem): Use INSN_P.
3087 (compute_sets): Likewise.
3088 (compute_hash_table): Likewise.
3089 (classic_gcse): Likewise.
3091 (insert_insn_end_bb): Likewise.
3092 (delete_null_pointer_checks_1): Likewise.
3093 * global.c (expand_preferences): Use INSN_P.
3094 (build_insn_chain): Likewise.
3095 * graph.c (node_data): Use INSN_P.
3096 * haifa-sched.c (priority): Use INSN_P.
3097 (rm_line_notes): Likewise.
3098 (rm_other_notes): Likewise.
3099 (find_insn_reg_weight): Likewise.
3100 (init_target_units): Likewise.
3101 (schedule_block): Likewise.
3102 (compute_block_forward_dependences): Likewise.
3103 (debug_dependencies): Likewise.
3104 (set_priorities): Likewise.
3105 * integrate.c (function_cannot_inline_p): Use INSN_P.
3106 (save_parm_insns): Likewise.
3107 (copy_insn_list): Likewise.
3108 * jump.c (mark_all_labels): Use INSN_P.
3109 (never_reached_warning): Likewise.
3110 * lcm.c (optimize_mode_switching): Use INSN_P.
3111 * local-alloc.c (validate_equiv_mem): Use INSN_P.
3112 (memref_used_between_p): Likewise.
3113 (update_equiv_regs): Likewise.
3114 (block_alloc): Likewise.
3115 (no_conflict_p): Likewise.
3116 * loop.c (scan_loop): Use INSN_P.
3117 (find_and_verify_loops): Likewise.
3118 (count_loop_regs_set): Likewise.
3119 (loop_reg_used_before_p): Likewise.
3120 (strength_reduce): Likewise.
3121 (recombine_givs): Likewise.
3122 (check_dbra_loop): Likewise.
3123 (load_mems): Likewise.
3124 (try_copy_prop): Likewise.
3125 * print-rtl.c (print_rtx): Use INSN_P.
3126 * recog.c (find_single_use): Use INSN_P.
3127 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
3128 (next_flags_user): Likewise.
3129 (swap_rtx_condition): Likewise.
3130 * regmove.c (mark_flags_life_zones): Use INSN_P.
3131 (optimize_reg_copy_1): Likewise.
3132 (optimize_reg_copy_2): Likewise.
3133 (optimize_reg_copy_3): Likewise.
3134 (reg_is_remote_constant_p): Likewise.
3135 (fixup_match_2): Likewise.
3136 (regmove_optimize): Likewise.
3137 (fixup_match_1): Likewise.
3138 * regrename.c (build_def_use): Use INSN_P.
3139 (replace_reg_in_block): Likewise.
3140 (consider_use): Likewise.
3141 * reload.c (find_equiv_reg): Use INSN_P.
3142 * reload1.c (reload): Use INSN_P.
3143 (maybe_fix_stack_asms): Likewise.
3144 (calculate_needs_all_insns): Likewise.
3145 (reload_as_needed): Likewise.
3146 (emit_output_reload_insns): Likewise.
3147 (delete_address_reloads_1): Likewise.
3148 (reload_cse_regs_1): Likewise.
3149 (reload_combine): Likewise.
3150 (reload_cse_move2add): Likewise.
3151 * reorg.c (redundant_insn): Use INSN_P.
3152 (dbr_schedule): Likewise.
3153 * resource.c (find_dead_or_set_registers): Use INSN_P.
3154 (mark_target_live_regs): Likewise.
3155 * rtlanal.c (reg_used_between_p): Use INSN_P.
3156 (reg_referenced_between_p): Likewise.
3157 (reg_set_between_p): Likewise.
3158 (reg_set_p): Likewise.
3159 (single_set): Likewise.
3160 (multiple_sets): Likewise.
3161 (find_last_value): Likewise.
3162 (reg_set_last): Likewise.
3163 (find_reg_note): Likewise.
3164 (find_regno_note): Likewise.
3165 * sibcall.c (sequence_uses_addressof): Use INSN_P.
3166 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
3167 * ssa.c (find_evaluations): Use INSN_P.
3168 (rename_block): Likewise.
3169 (rename_equivalent_regs): Likewise.
3170 * unroll.c (loop_find_equiv_value): Use INSN_P.
3171 (set_dominates_use): Likewise.
3172 * varasm.c (mark_constant_pool): Use INSN_P.
3173 (mark_constants): Likewise.
3174 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
3175 (alphaev4_next_group): Likewise.
3176 (alphaev5_next_group): Likewise.
3177 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
3178 (c4x_rptb_rpts_p): Likewise.
3179 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
3180 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
3181 (rs6000_adjust_priority): Likewise.
3182 * config/sh/sh.c (sh_loop_align): Use INSN_P.
3183 (machine_dependent_reorg): Likewise.
3184 (split_branches): Likewise.
3185 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
3187 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
3189 * combine.c (recog_for_combine): Remove the old notes
3190 prior to attempting to recognize the new pattern.
3191 (distribute_notes): Ignore REG_NONNEG notes.
3193 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
3195 * varasm.c (output_constructor): Add .align 0 for packed vars.
3197 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3199 * configure.in: Use default thread_file even when enable_threads is
3200 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
3201 * configure: Rebuilt.
3203 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
3205 2000-08-04 Donn Terry (donnte@microsoft.com)
3207 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
3209 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
3211 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
3212 Delete code that conditionally modifies 'version'.
3213 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
3214 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
3215 * gcc.c (main): Use it.
3216 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
3217 * prefix.c (update_path): Use it.
3218 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
3219 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
3220 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
3222 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
3223 (SUBTARGET_SWITCHES): Adjust.
3224 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
3226 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
3228 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
3230 * c-common.h (flag_isoc94): Declare.
3231 * c-decl.c (flag_isoc94): Define.
3232 (c_decode_option): Set flag_isoc94 as appropriate.
3233 * c-common.c (T_PD, T_IM, T_UIM): Define.
3234 (format_char_info): Add tlen and jlen.
3235 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
3237 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
3239 (time_char_table): Add NULL entries for %t and %j.
3240 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
3241 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
3242 Warn for printf %lf if pedantic and not C99. Don't warn for empty
3243 precision. Allow precision argument to be unsigned int. If
3244 pedantic, warn for %p passed an argument not a pointer to possibly
3245 qualified void or a possibly qualified character type, and for
3246 pointer targets of the wrong sign, except for character pointers.
3248 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
3250 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
3251 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
3252 (wint_type_node): Define.
3253 * c-decl.c (WINT_TYPE): Define.
3254 (init_decl_processing): Create the wint_type_node type.
3255 * c-common.c (T_WI): Define.
3256 (print_char_table): Use T_WI for %lc format.
3258 2000-08-04 Bruce Korb <bkorb@gnu.org>
3260 * fixinc/: Verified that the MSDOS patch does not break
3261 the UNIX functionality and applied the next three patches
3264 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
3266 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
3267 output file with the temporary one by appending ".X" to generate
3268 the temporary fuile's name. If the output file already has an
3269 extension, replace it with ".X".
3271 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
3272 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
3273 reallocate the command buffer while copying the command-line
3274 argument. Redirect the output directly to the temporary file,
3275 instead of going through another temporary file.
3276 (process): Close the temporary file before unlinking it.
3277 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
3278 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
3279 (run_compiles): Pass p_fixd argument to machine_matches, as it
3282 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
3283 environment, assume there are no symlinks in the include
3284 directory. When cleaning up the DONE files, look for them
3285 case-insensitively. Don't try to remove symlinks if they aren't
3288 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
3289 all callers changed. Declare pz "const char *", to avoid compiler
3292 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
3293 Change prototype of make_raw_shell_str.
3295 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
3297 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
3298 (initialize) [__MSDOS__]: Use tempnam.
3299 (initialize): Don't use SIGPIPE if it is not defined.
3301 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
3304 2000-07-25 Bruce Korb <bkorb@gnu.org>
3306 * fixinc/fix*.[ch]: substantially reworked to make it possible
3307 to run this program without using fork(2) or pipe(2) (i.e. in
3310 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
3312 * cppdefault.h (WINT_TYPE): Define.
3313 * cppinit.c (builtin_array): Define __WINT_TYPE__.
3314 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
3315 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
3317 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
3319 * (mips_legitimate_address_p): Don't allow register+offset
3320 if the offset is large and negative, and we are compiling
3321 for 64 bit registers.
3323 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3325 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
3326 insn_code_number + 1.
3328 2000-08-04 Kazu Hirata <kazu@hxi.com>
3330 * h8300.c (function_prologue): Rearrange code for conciseness.
3331 (function_epilogue): Likewise.
3332 * h8300.h (OK_FOR_U): Fix formatting.
3334 * cse.c: Fix a comment typo. Fix formatting.
3336 2000-08-03 Richard Henderson <rth@cygnus.com>
3338 * config/i386/i386.md (return_indirect_internal): New.
3339 * config/i386/i386.c (ix86_expand_epilogue): Use it.
3341 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
3343 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
3345 (lex_line): Glue @ onto the beginning of identifiers and
3346 string constants, in Objective-C mode.
3347 (output_token, spell_token): Handle CPP_OSTRING.
3348 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
3349 beginning of a NAME or a STRING, in objc mode.
3351 * cpplib.c (get_define_node): Do not permit identifiers that
3352 begin with @ to be #defined.
3353 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
3354 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
3356 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
3357 * c-tree.h (build_objc_string): Delete prototype.
3358 * objc/objc-tree.def: Delete OBJC_STRING_CST.
3359 * c-lex.c (yylex): Use build_string for all three kinds of strings.
3361 * c-parse.in, objc/objc-act.c: Update commentary.
3363 2000-08-03 Mark Mitchell <mark@codesourcery.com>
3365 * extend.texi: Fix typo in last change.
3367 * extend.texi: Add commentary on statement-expressions and their
3368 interactions with C++.
3370 2000-08-03 Nick Clifton <nickc@cygnus.com>
3372 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
3373 * dwarf.h (LANG_JAVA): Change value to 0x000b.
3375 2000-08-03 Anthony Green <green@cygnus.com>
3377 * dwarf2out.c (gen_compile_unit_die): Add java language support.
3378 (add_bound_info): Check for java language.
3379 (is_java): New function.
3380 * dwarfout.c (output_compile_unit_die): Ditto.
3381 * dwarf.h (dwarf_source_language): Add java source language type.
3382 * dwarf2.h (dwarf_source_language): Ditto.
3384 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3386 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
3389 * i386.c (ix86_expand_branch): Mode of comparison in
3390 IF_THEN_ELSE is VOIDmode.
3392 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
3394 * gengenrtl.c, rtl.c: Avoid #elif.
3396 2000-08-03 Michael Poole <poole@troilus.org>
3398 * tm.texi (Register Classes): Clarify order of sub-initializers
3399 in REG_CLASS_CONTENTS.
3401 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3403 From SAITOH Masanobu:
3404 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
3406 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
3408 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
3409 is not supported by tradcpp and isn't actually needed for cygwin.
3411 2000-08-03 Kazu Hirata <kazu@hxi.com>
3413 * h8300.c: Fix a comment typo.
3414 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
3416 * jump.c: Fix formatting.
3418 * toplev.c: Fix formatting.
3420 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
3422 * flow.c (find_auto_inc): Verify that we've got a REG before
3423 peeking at its regno. Fail, don't abort if we can't find
3424 the increment of the desired register.
3426 * pa.md (shadd height reduction patterns/splitters): Remove.
3428 2000-08-02 Jim Wilson <wilson@cygnus.com>
3430 * config/ia64/ia64-protos.h (flag_ssa): Declare.
3431 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
3433 2000-08-02 Mark Mitchell <mark@codesourcery.com>
3435 * dce.c: Remove all uses of assert.
3436 * dwarf2out.c: Likewise.
3437 * dwarfout.c: Likewise.
3440 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
3442 * gcc.h (lang_specific_driver): Constify second argument.
3443 * gcc.c (translate_options, process_command, main): Likewise.
3444 Constify variables to match. Cast second argument to
3447 * cppspec.c, gccspec.c: Adjust type of second argument to
3448 lang_specific_driver, and update code as necessary.
3450 2000-08-02 Jakub Jelinek <jakub@redhat.com>
3452 * loop.c (scan_loop): Ensure update_end label does not
3453 go away until reg_scan_update is run.
3455 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
3457 * c-common.h: Prototype min_precision and c_build_qualified_type here...
3458 * c-tree.h: ... not here.
3459 * errors.h: Prototype fancy_abort.
3461 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
3462 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
3463 * regrename.c (regrename_optimize): Make control flow explicit.
3464 (replace_reg_in_block): Initialize reg_use to 0.
3466 * i386.c (legitimate_address_p): Rename error label to
3467 report_error to avoid namespace clash.
3469 2000-08-02 Kazu Hirata <kazu@hxi.com>
3471 * fold-const.c: Fix formatting.
3473 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
3475 * i386.c (legitimate_address_p): Accept other bases than
3476 pic_offset_table_rtx for GOTOFF constructs.
3478 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
3480 * i386.md (shift to lea splitter): Use const_int_operand.
3482 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
3484 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
3485 cppspec.c: Do not use 'legal' or 'illegal' in error messages
3488 * cppmain.c (cb_define, cb_undef): Don't generate any output
3489 if not done_initializing.
3490 * cpplex.c (maybe_paste_with_next): When the token after a ##
3491 is an omitted rest argument, only delete the token before it
3492 if that token is a comma. Do not warn about bogus token
3493 pastes for , ## rest_arg.
3496 * cpp.1: Regenerate.
3498 2000-08-02 Fred Fish <fnf@be.com>
3500 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
3501 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
3504 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
3505 Be directories to search path.
3507 Remove support for __declspec(dllimport) and __declspec(dllexport).
3508 This is leftover cruft from the earlier BeOS gcc port when BeOS
3509 used Microsoft's PE object file format.
3510 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
3511 * config/i386/t-beos (winnt.o): Remove Makefile frag.
3512 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
3513 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
3514 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
3515 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
3516 (REDO_SECTION_INFO_P): Remove.
3517 (ASM_EXPORT_DECL): Remove.
3518 (ASM_DECLARE_FUNCTION_NAME): Remove.
3519 (ASM_DECLARE_OBJECT_NAME): Remove.
3520 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3521 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
3522 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
3523 (STRIP_NAME_ENCODING): Remove.
3525 Remove support for obsolete version of BeOS that is no longer
3527 * configure.in (i*86-*-beospe*): Remove.
3528 * config/i386/beos-pe.h: Remove.
3530 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
3531 Mark Mitchell <mark@codesourcery.com>
3533 * Makefile.in (OBJS): Added dce.o.
3534 (ssa.o): Updated target to include ssa.h.
3536 (toplev.o): Likewise.
3537 (dce.o): Created target.
3538 * basic-block.h: Added comments.
3539 (INVALID_BLOCK): Added definition.
3540 (connect_infinite_loops_to_exit): Added declaration.
3541 Moved SSA declarations to ssa.h.
3542 * flow.c: Added inclusion of ssa.h.
3543 (struct depth_first_search_dsS, depth_first_search_ds):
3545 (compute_immediate_postdominators): Added definition.
3546 (connect_infinite_loops_to_exit): Likewise.
3547 (flow_dfs_compute_reverse_init): Likewise.
3548 (flow_dfs_compute_reverse_add_bb): Likewise.
3549 (flow_dfs_compute_reverse_execute): Likewise.
3550 (flow_dfs_compute_reverse_finish): Likewise.
3551 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
3552 (LABEL_P): Added definition.
3555 (BARRIER_P): Likewise.
3556 (JUMP_TABLE_DATA_P): Likewise.
3557 (INSN_DEAD_CODE_P): Likewise.
3558 * ssa.c: Replaced inclusions with ssa.h inclusion.
3559 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
3560 (rename_registers): Removed unnecessary variables.
3561 * ssa.h: Created by moving declarations from ssa.c and
3563 * timevar.def: Defined TV_DEAD_CODE_ELIM.
3564 * toplev.c: Added ssa.h inclusion.
3565 (dump_file_index): Added DFI_dce.
3566 (dump_file): Added "dce" entry.
3568 (f_options): Added dce entry.
3569 * invoke.texi: Document -fdce. Emphasize experimental status of
3573 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
3575 * cpperror.c (v_message): Split into _cpp_begin_message and
3576 v_message macro. All callers updated.
3577 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
3580 * cppfiles.c (cpp_syshdr_flags): New function.
3581 (read_include_file): Don't call cpp_output_tokens. Call
3583 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
3584 (cpp_reader_init): Don't initialize token_buffer. Call
3585 _cpp_init_internal_pragmas.
3586 (cpp_cleanup): Don't clear token_buffer.
3587 (cpp_start_read): Don't worry about output from -D processing.
3588 Don't call cpp_output_tokens.
3589 (cpp_finish): Don't dump macros here. Don't call
3591 * cppmacro.c (_cpp_dump_definition): Rename
3592 cpp_dump_definition. Write directly to a FILE *.
3593 (dump_funlike_macro): Delete.
3594 (dump_macro_args): New.
3596 * cpplex.c (TOKEN_LEN): Convert to inline function.
3597 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
3598 cpp_scan_line, _cpp_dump_list): Delete.
3599 (cpp_printf, cpp_output_list): New.
3600 (output_line_command): Don't worry about entering or leaving files.
3601 (cpp_scan_buffer): Just output each token as we hit it.
3602 (process_directive): Don't call cpp_output_tokens.
3603 (_cpp_glue_header_name): Don't use token_buffer.
3604 (output_token, dump_param_spelling): Write directly to a FILE *.
3606 * cpplib.c (pass_thru_directive, dump_macro_name,
3607 pragma_dispatch, do_pragma_gcc): Delete.
3608 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
3609 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
3611 (do_error, do_warning, pragma_dependency): Call
3612 _cpp_begin_message, then cpp_output_list.
3613 (cpp_register_pragma, cpp_register_pragma_space,
3614 _cpp_init_internal_pragmas): New.
3615 (do_pragma): Walk the pragmas table here.
3616 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
3617 do_pragma_dependency): Return void.
3618 (do_pragma_implementation): Moved to cppmain.c.
3620 * cpplib.h: Update prototypes.
3621 (struct cpp_reader): Remove printer, token_buffer,
3622 token_buffer_size, and limit. Add struct cb, and pragmas.
3623 (struct cpp_printer): Remove last_id and written.
3624 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
3625 CPP_ADJUST_WRITTEN): Delete.
3626 * cpphash.h: Update prototypes.
3627 (ufputs): New wrapper.
3629 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
3630 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
3631 (main): Set up callbacks. Register #pragma implementation.
3632 Dump macros from here.
3634 2000-08-01 Geoff Keating <geoffk@cygnus.com>
3636 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
3637 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
3638 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
3639 insns if they have a REG_MAYBE_DEAD note attached.
3640 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
3641 (rs6000_emit_load_toc_table): TOC loads may go dead.
3643 2000-08-01 Jim Wilson <wilson@cygnus.com>
3645 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
3646 type exists before using it. Use number of words as alignment
3648 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
3649 ia64_va_arg): Propagate ia64_function_args changes here.
3651 2000-08-01 Richard Henderson <rth@cygnus.com>
3653 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
3654 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3656 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
3658 From Joern Rennecke:
3659 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
3660 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
3661 unless TARGET_SH3E is set.
3662 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
3664 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
3665 (ashlsi3_std): New pattern.
3666 (ashlsi3 expander): Use it for TARGET_SH3.
3667 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
3669 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3671 * loop.c (canonicalize_condition): Use destination, not source to
3672 determine SET's mode.
3674 2000-07-31 Mark Mitchell <mark@codesourcery.com>
3676 * flow.c (clear_log_links): Fix typo.
3678 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
3680 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
3681 on targets which need more than one insn for a compare/cbranch
3684 2000-07-31 Jim Wilson <wilson@cygnus.com>
3686 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
3687 when computing offset.
3689 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
3691 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
3693 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3695 * flow.c (clear_log_links): Nuke global_live_at_start and
3696 global_live_at_end data, since if the log_links stuff is invalid
3697 so is global_live_at_*.
3699 2000-07-31 Richard Henderson <rth@cygnus.com>
3701 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
3703 2000-07-31 Jakub Jelinek <jakub@redhat.com>
3705 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
3706 (_cpp_get_token): Don't macro expand a just pasted token if it
3707 was pasted at no_expand_level.
3709 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3711 * cppmacro.c (find_param, count_params, save_expansion):
3712 Permit 'defined' as a macro parameter name.
3714 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3716 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
3717 xcpp to cpp throughout.
3718 (native): Remove unnecessary dependency on cpp.
3720 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
3721 tradcpp to tradcpp0.
3722 (.i spec): Add missing output-file spec to cc1 command line.
3723 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
3725 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
3727 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
3728 (implicit_decl_warning): New function.
3729 (implicitly_declare): Use it.
3730 * c-typeck.c (build_external_ref): Use implicit_decl_warning
3731 to complain about implicit decls of builtins.
3733 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
3734 based on pedantic && flag_isoc99, if not already set.
3735 * c-tree.h: Declare mesg_implicit_function_declaration.
3736 Prototype implicit_decl_warning.
3738 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
3740 * Makefile.in (ssa.o): Updated header files in dependences.
3741 * basic-block.h: Added compute_immediate_postdominators declaration.
3742 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
3744 * flow.c (compute_immediate_dominators): Updated comment.
3745 (compute_immediate_postdominators): Added definition.
3746 * rtl.h (HARD_REGISTER_P): Added definition.
3747 * ssa.c: Include additional header files.
3748 (assert): Added definition.
3749 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
3750 include select hard registers.
3751 (ssa_rename_to_insert): Likewise.
3752 (ssa_rename_from_initialize): Likewise.
3753 (ssa_rename_from_lookup): Likewise.
3754 (original_register): Likewise.
3755 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
3756 include select hard reigsters.
3757 (ssa_rename_from_traverse): Likewise.
3758 (ssa_rename_from_free): Likewise.
3759 (ssa_rename_from_print): Likewise.
3760 (ssa_rename_from_print_1): Likewise.
3761 (ssa_rename_from_hash_function): Likewise.
3762 (ssa_rename_from_equal): Likewise.
3763 (ssa_rename_from_delete): Likewise.
3764 (simplify_to_immediate_dominators): Removed in favor of
3765 flow.c:compute_immediate_dominators.
3766 (find_evaluations_1): Modified to work with hard registers.
3767 (insert_phi_node): Likewise.
3768 (insert_phi_nodes): Likewise.
3769 (struct rename_set_data): Updated prev_reg comment.
3770 (create_delayed_rename): Modified to work with hard registers.
3771 (RENAME_NO_RTX): Updated comment.
3772 (apply_delayed_renames): Modified to work with hard registers.
3773 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
3774 (rename_block): Updated to use revised ssa_rename_to interface.
3775 (rename_registers): Updated to use revised ssa_rename_to and
3776 ssa_rename_from interface.
3777 (convert_to_ssa): Revised to use compute_immediate_dominators and
3778 deal with hard registers.
3779 (make_regs_equivalent_over_bad_edges): Modified to work with hard
3780 registers. Added check for illegal unification of hard register.
3781 (make_equivalent_phi_alternatives_equivalent): Modified to work
3782 with hard registers.
3783 (compute_conservative_reg_partition): Likewise.
3784 (coalesce_if_unconflicting): Modified to work with hard registers
3785 and check for conflicting hard registers.
3786 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
3788 (rename_equivalent_regs_in_insn): Modified to work with hard
3790 (record_canonical_element_1): Added definition.
3791 (check_hard_regs_in_partition): Added definition.
3792 (convert_from_ssa): Added data structure deallocation and check
3793 for illegal hard register unification.
3794 (conflict_hard_regs_p): Added definition.
3795 * toplev.c (rest_of_compilation): Added comment.
3797 2000-07-31 Anthony Green <green@redhat.com>
3799 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
3801 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
3803 * builtins.c (expand_builtin_apply): Don't defer pop during
3806 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3808 * calls.c (combine_pending_stack_adjustment_and_call): Only use
3809 preferred_unit_stack_boundary when it is > 1.
3811 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
3813 * c-common.c (init_function_format_info): Add C99 format functions
3816 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
3817 void' or 'register void' as being the special case of 'void' alone
3818 in a parameter list.
3820 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
3821 discarding qualifiers into a plain warning.
3823 2000-07-31 Kazu Hirata <kazu@hxi.com>
3825 * combine.c: Fix formatting.
3827 * h8300.md: Fix formatting.
3829 * local-alloc.c: Fix formatting.
3831 * h8300.c (get_shift_alg): Remove the variable alg.
3832 (emit_a_shift): Rearrange code to improve readability.
3834 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
3836 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
3837 HImode on all architectures and a combination of HImode and SImode
3838 on H8/300H and H8/S.
3840 * h8300.c (split_adds_subs): Rearrange code for conciseness.
3842 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
3844 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
3847 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3849 * recog.c (extract_insn): Set operand_mode according to
3850 operand if match_operand is VOIDmode.
3852 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3854 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
3856 2000-07-31 Geoff Keating <geoffk@cygnus.com>
3858 * c-parse.in (extdefs): Call ggc_collect between external
3861 2000-07-30 Michael Hayes <mhayes@cygnus.com>
3862 Richard Henderson <rth@cygnus.com>
3864 * Makefile.in (OBJS): Add doloop.o.
3865 * doloop.c: New file.
3867 * final.c (insn_current_reference_address): Return 0 before final.
3868 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
3869 * jump.c (any_uncondjump_p): Likewise.
3870 * loop.c (indirect_jump_in_function): Make static.
3871 (strength_reduce): Call doloop_optimize.
3872 (insert_bct, instrument_loop_bct): Remove.
3873 * loop.h (doloop_optimize): Prototype.
3874 * recog.c (split_all_insns): Split all INSN_P.
3875 * toplev.c (flag_branch_on_count_reg): Default on.
3877 * config/c4x/c4x.c (c4x_optimization_options): Don't set
3878 flag_branch_on_count_reg.
3879 * config/i386/i386.c (override_options): Likewise.
3880 * config/rs6000/rs6000.c (optimization_options): Likewise.
3882 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
3884 (dbra_ge): Remove, as well as all it's splitters.
3886 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
3889 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
3890 (ia64_register_move_cost): Declare.
3891 * config/ia64/ia64.c (ar_lc_reg_operand): New.
3892 (struct ia64_frame_info): Add ar_size.
3893 (ia64_compute_frame_size): Set it.
3894 (save_restore_insns): Save and restore ar.lc.
3895 (ia64_register_move_cost): New, moved from header file. Handle
3896 application registers.
3897 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
3898 (emit_insn_group_barriers): Special case doloop_end_internal.
3899 (ia64_epilogue_uses): Mark ar.lc live at end.
3900 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
3901 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
3902 (FIRST_PSEUDO_REGISTER): Make room.
3903 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
3904 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
3905 (REG_ALLOC_ORDER): Update.
3906 (HARD_REGNO_MODE_OK): Update.
3907 (REGISTER_NAMES): Update.
3908 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
3909 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3910 (REGNO_REG_CLASS): Update.
3911 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
3912 (REGISTER_MOVE_COST): Move out of line.
3913 (PREDICATE_CODES): Update.
3914 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
3915 (addsi3_plus1_alt, adddi3_plus1_alt): New.
3916 (shladd_elim splitter): Allow constants in the predicate.
3917 (doloop_end, doloop_end_internal): New.
3919 2000-07-30 Richard Henderson <rth@cygnus.com>
3921 * genattrtab.c (struct insn_def): Add lineno member.
3922 (struct insn_ent): Likewise.
3923 (struct attr_desc): Likewise.
3924 (struct delay_desc): Likewise.
3925 (struct function_unit_op): Likewise.
3926 (struct function_unit): Likewise.
3927 (check_attr_value): Use message_with_line.
3928 (check_defs): Likewise.
3929 (expand_units): Likewise.
3930 (check_attr_test): Take a lineno argument.
3931 (gen_attr): Likewise.
3932 (gen_insn): Likewise.
3933 (gen_delay): Likewise.
3934 (gen_unit): Likewise.
3935 (main): Give it to them.
3936 (convert_set_attr_alternative): Take an insn_def argument
3937 instead of num_alt and insn_index.
3938 (convert_set_attr): Likewise.
3939 (write_test_expr): Protect INSN_ADDRESSES load
3940 with INSN_ADDRESSES_SET_P.
3942 2000-07-30 Richard Henderson <rth@cygnus.com>
3944 * flow.c (init_propagate_block_info): Use pc_set.
3946 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
3948 * i386.md (*lea_general_[123]) New insns and splits.
3949 (addsi3 to lea splitter): Handle other modes too.
3950 (shlsi3 to lea splitter): Likewise.
3951 (addhi_1_lea, shlhi_1_lea): New patterns.
3952 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
3954 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3956 * recog.c (general_operand, nonimmediate_operand): Accept
3957 any mode for VOIDmode CONSTANT_P operands.
3959 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3961 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
3962 instead of replace_rtx.
3963 * recog.c (validate_replace_rtx_subexp): New function.
3964 * recog.h (validate_replace_rtx_subexp): Declare.
3966 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3968 * combine.c (simplify_set, make_extraction, make_compound_operation
3969 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
3970 as force_to_mode argument.
3972 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3974 * combine.c (if_then_else_cond): Be sure that mode fits in
3977 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3979 * combine.c (record_promoted_value): Allow bitsize of mode
3980 to be equivalent to HOST_BITS_PER_WISE_INT.
3982 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3984 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
3985 Do not call gen_mode_alignment when mode is BLKmode.
3987 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
3989 * loop.c (express_from_1): Fix call of simplify_gen_binary.
3991 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3993 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
3994 VOIDmode implies both operands to be VOIDmode.
3995 (simplify_ternary_operation): Compute properly the mode of comparison.
3996 * combine.c (combine_simplify_rtx): Likewise.
3998 2000-07-25 Michael Hayes <mph@paradise.net.nz>
4000 * basic-block.h (struct loops): New field rc_order.
4001 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
4002 (flow_loops_free): Free rc_order.
4003 (flow_depth_first_order_compute): New parameter rc_order.
4004 (flow_loops_find): Allocate rc_order and swap usage with
4007 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4008 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4010 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
4011 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
4012 (nodb_call, return_from_epilogue): Likewise.
4013 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
4014 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
4015 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
4016 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4017 (c4x_valid_type_attribute_p): Likewise.
4018 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
4019 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
4021 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4023 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
4024 and loadhi_big_constant if applicable.
4025 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
4026 and add new splitter.s
4028 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4030 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
4032 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4034 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
4036 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4038 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
4040 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4042 * config/c4x/libgcc.S (divqf3): Improve accuracy.
4044 2000-07-27 Mark Mitchell <mark@codesourcery.com>
4046 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
4047 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
4048 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
4049 (get_prev_bb_note): Likewise.
4050 (remove_scope_notes): Likewise.
4051 * flow.c (commit_one_edge_insertion): Likewise.
4052 (merge_blocks_nomove): Likewise.
4053 (verify_flow_info): Likewise.
4054 * gcse.c (insert_insn_end_bb): Likewise.
4055 * reg-stack.c (emit_swap_insn): Likewise.
4056 * ssa.c (first_insn_after_basic_block_note): New function.
4057 (insert_phi_node): Use it.
4058 (rename_block): Likewise.
4059 (eliminate_phi): Likewise.
4060 (make_regs_equivalent_over_bad_edges): Likewise.
4061 (make_equivalent_phi_alternatives_equivalent): Likewise.
4062 (for_each_successor_phi): Likewise.
4063 (convert_from_ssa): Modify phi-node deletion algorithm.
4065 2000-07-29 Andreas Jaeger <aj@suse.de>
4067 * configure.in (mips*-*-linux*): Use mips*el to check for little
4068 endian MIPS, add tmake_file.
4070 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
4071 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
4072 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
4074 2000-07-28 Richard Henderson <rth@cygnus.com>
4076 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
4077 Sign extend mode size before negating.
4079 2000-07-28 Richard Henderson <rth@cygnus.com>
4081 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
4083 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
4085 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
4086 (cse_insn): Likewise.
4087 (addr_affects_sp_p): Likewise.
4088 * expr.c (move_by_pieces): Likewise.
4089 (clear_by_pieces): Likewise.
4090 * gcse.c (oprs_unchanged_p): Likewise.
4091 * haifa-sched.c (sched_analyze_2): Likewise.
4092 * recog.c (offsettable_address_p): Likewise.
4093 * regclass.c (record_address_regs): Likewise.
4094 * reload.c (find_reusable_reload): Likewise.
4095 (push_reload): Likewise.
4096 (operands_match_p): Likewise.
4097 (decompose): Likewise.
4098 (find_reloads_address_1): Likewise.
4099 (find_inc_amount): Likewise.
4100 * reload1.c (elimination_effects): Likewise.
4101 * resource.c (mark_set_resources): Likewise.
4102 * flow.c (attempt_auto_inc): New function; mostly broken out
4104 (find_auto_inc): Split into two functions and enhanced to
4105 generate POST_MODIFY.
4106 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
4107 * rtl.h (count_all_occurrences): Declare.
4108 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
4110 * rtlanal.c (count_all_occurrences): New function.
4111 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
4112 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
4114 * config/ia64/ia64-protos.h (destination_operand): Declare.
4115 * config/ia64/ia64.c (destination_operand): New function.
4116 (ia64_print_operand): Handle POST_MODIFY.
4117 (rtx_needs_barrier): Likewise.
4118 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
4119 (HAVE_POST_MODIFY_REG): Define to 1.
4120 (MAX_REGS_PER_ADDRESS): Change to 2.
4121 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
4122 (LEGITIMATE_ADDRESS_REG): New helper macro.
4123 (LEGITIMATE_ADDRESS_DISP): Likewise.
4124 (PREDICATE_CODES): Add entry for destination_operand.
4125 * config/ia64/ia64.md (all mov patterns): Use destination_operand
4126 predicate for operand 0.
4128 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4130 * dwarf2out.c: Indent #error directive.
4132 * gbl-ctors.h: Fix typo in comment.
4133 (__do_global_ctors): Prototype.
4135 * gcse.c (record_one_set, pre_delete): Remove unused variables.
4137 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
4138 (print_operand): Initialize variable `t'.
4140 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
4142 * config/arm/arm.md ("call_value"): removed constraints.
4143 Constraints are ignored in expanders.
4144 (*call_value_reg): split =rf into various constraints.
4145 (*call_value_mem): same
4146 (*call_value_symbol): same
4147 (*sibcall_value_insn): same
4149 2000-07-28 Philipp Thomas <pthomas@suse.de>
4151 * install.texi (--enable-nls): Change the description of the NLS
4152 related configure options to match the current state.
4153 (--with-included-gettext): Likewise.
4154 (--enable-maintainer-mode): New description added.
4155 * extend.texi (-fstrict-prototype): Add missing '.'.
4157 2000-07-27 Jim Wilson <wilson@cygnus.com>
4159 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
4160 DECL_INITIAL (decl) == NULL_TREE.
4162 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
4164 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
4165 on insn-attr.h with it.
4166 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
4167 * insn-addr.h: New header.
4168 (insn_addresses_): Renamed from insn_addresses.
4169 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
4170 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
4171 INSN_ADDRESSES_NEW): New macros.
4172 * genattrtab.c (write_test_expr): Use new macros.
4173 * final.c (insn_addresses, init_insn_lengths): Likewise.
4174 (align_fuzz, shorten_branches): Likewise.
4175 (final): Likewise. Do not reject new insns if their addresses
4176 have been added to INSN_ADDRESSES.
4177 * config/arm/arm.c, config/avr/avr.c: Use new macros.
4178 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
4179 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
4180 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
4181 * config/sh/sh.c: Likewise.
4182 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
4184 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
4186 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
4188 * gcc.c (struct prefix_list): Add member priority.
4189 (enum path_prefix_priority): Declare.
4190 (add_prefix): Replace ``first'' with ``priority''. Append new
4191 entry but keep list in priority order.
4192 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
4193 PREFIX_PRIORITY_LAST to add_prefix.
4194 (process_command): Move include kludge - foo/stageN - to before
4197 2000-07-27 Jason Merrill <jason@redhat.com>
4199 * dwarf2out.c (gen_typedef_die): Abort if we get identical
4200 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
4202 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
4204 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
4205 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
4207 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
4209 * c-decl.c (finish_function): Don't treat 'main' specially unless
4210 flag_hosted. In C99 mode, return 0 from 'main' unless
4211 DEFAULT_MAIN_RETURN is otherwise defined.
4213 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
4214 parameters defaulting to int in an old-style function definition.
4216 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4218 * c-parse.in (string): For -Wtraditional, warn about string
4219 concatenation only once per line.
4221 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
4223 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
4224 for HI-UX/WE2 systems.
4226 2000-07-24 Bruce Korb <bkorb@gnu.org>
4228 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
4229 defining the __xxx_TYPE__ macros.
4230 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
4231 * fixincl/fixlib.h: don't need to include "tm.h" anymore
4232 * fixincl/inclhack.def(type_map): now obsolete
4234 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
4236 * cpp.texi: Append a trailing full-stop to xrefs where needed.
4238 2000-07-26 Dave Pitts <dpitts@cozx.com>
4240 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
4242 (mvs_hash_alias): New function.
4243 (mvs_add_alias): Change argument spacing.
4244 (mvs_need_alias): Change aliasing criteria. Added documentation.
4245 (mvs_get_alias): Change to use hashed name. The hashed name prevents
4246 CSECT name collisions.
4247 (mvs_check_alias): Likewise.
4248 (handle_pragma): Change documentation.
4249 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
4250 mode from SImode to DImode.
4251 (iorhi3): Changed LTORG size for insn.
4253 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
4255 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
4256 mem if the address is a mode_dependent_address_p.
4258 2000-07-26 Kazu Hirata <kazu@hxi.com>
4260 * h8300.c (print_operand): Print ":8" when the 'R' operand is
4261 suitable for 8-bit absolute.
4262 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
4263 (OK_FOR_U): Add a case for the 8-bit constant address on the
4266 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
4268 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
4269 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
4270 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
4271 lack of implemented alignment.
4273 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
4275 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
4276 cross-compiling between 64-bit and 32-bit machines.
4278 2000-07-27 Richard Henderson <rth@cygnus.com>
4280 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
4281 (movhicc_astep, movhi_internal_astep): New.
4282 (movsicc_astep, movsi_internal_astep): New.
4283 (movdicc_astep, movdi_internal_astep): New.
4284 (movsfcc_astep, movsf_internal_astep): New.
4285 (movdfcc_astep, movdf_internal_astep): New.
4286 (movxfcc_astep, movxf_internal_astep): New.
4287 (cmovdi_internal_astep, cmovsi_internal_astep): New.
4288 Unify the cmov[ds]i splitters.
4290 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
4292 * real.c (asctoeg): Rename `error' label to unexpected_char_error
4294 2000-07-26 Nick Clifton <nickc@cygnus.com>
4296 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
4297 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
4299 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
4300 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
4302 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
4304 * c-decl.c (finish_enum): Convert enumerations that fit in an
4306 (build_enumerator): In pedantic mode, cast to `int' those that
4309 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
4311 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
4313 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4315 * sh.md (cmpgtdi_t): Must be split.
4316 (cmpgtdi_t+1): New splitter.
4318 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
4320 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
4321 warnings for indented directives even if we are skipping.
4323 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
4325 * invoke.texi (strict-prototypes): Remove.
4326 * extend.texi (Deprecated Features): Add strict-prototypes.
4327 (Backwards Compatibility): New node.
4329 2000-07-25 Jakub Jelinek <jakub@redhat.com>
4331 * config/i386/i386.md (andsi_1+1): Allow HImode.
4332 (andsi_1+2): Require q_regs_operand.
4334 2000-07-25 Jakub Jelinek <jakub@redhat.com>
4336 * config/i386/i386.md (call_pop): Check operands[0],
4337 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
4339 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
4340 (call_value): Likewise.
4342 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
4344 * toplev.c (pipe_closed): Delete.
4345 (crash_signal): New. Generate ICE for a fatal signal.
4346 (float_signal): Call crash_signal outside a float-handler
4348 (main): Install crash_signal as handler for core-dumping signals.
4350 2000-07-25 David Edelsohn <edelsohn@gnu.org>
4352 * rs6000.c (print_operand, case 'T'): New case.
4354 * rs6000.md (call_indirect_aix32): Convert to expander of
4355 scheduled instructions.
4356 (call_indirect_aix64): Likewise.
4357 (call_value_indirect_aix{32,64}): Likewise.
4358 (call, call_value): Invoke expanders for AIX. Fall through to
4360 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
4361 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
4362 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
4363 only "g" constraint.
4364 (call_nonlocal_aix64): Likewise.
4365 (call_value_nonlocal_aix{32,64}): Likewise.
4366 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
4368 (call_value_nonlocal_sysv): New pattern.
4369 (indirect_jump{si,di}): Use new 'T' modifier.
4370 (tablejump{si,di} matchers): Likewise.
4371 (return_internal_{si,di}): Likewise.
4372 (return_eh_{si,di}): Likewise.
4374 2000-07-24 Richard Henderson <rth@cygnus.com>
4376 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
4377 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
4378 * config/ia64/ia64.md (movdi_internal): Use it.
4380 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
4382 * cppexp.c: Warn about unary + if -Wtraditional.
4383 * cpplex.c (lex_line): Always set BOL on the first token of a line.
4385 2000-07-24 Michael Meissner <meissner@redhat.com>
4387 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
4390 2000-07-24 Nick Clifton <nickc@cygnus.com>
4392 * config/arm/arm.c (emit_multi_reg_push): Generate a
4393 REG_FRAME_RELEATED_NOTE that is compatable with the code in
4394 dwarf2out_debug_frame_expr.
4396 2000-07-24 Jason Merrill <jason@redhat.com>
4398 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
4399 UNALIGNED_INT_ASM_OP.
4400 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
4401 a location expression.
4402 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
4403 assume indirect access if we're saving the CFA address exactly.
4405 * Makefile.in (bootstrap): Move -BstageN/ to the end.
4407 2000-07-24 Jakub Jelinek <jakub@redhat.com>
4409 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
4412 2000-07-24 Michael Meissner <meissner@redhat.com>
4414 * invoke.texi (D30V Options): Add d30v options.
4416 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
4418 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
4419 needed by our gcse pass anymore.
4420 (free_pre_mem): Corresponding changes.
4421 (compute_pre_data): Do not call compute_transpout anymore.
4423 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
4424 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
4427 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
4428 (compute_pre_data): Do it here instead.
4430 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
4432 (pre_delete): Corresponding changes.
4434 2000-07-23 Mark Mitchell <mark@codesourcery.com>
4436 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
4437 to figure out whether or not a variable has already been emitted.
4439 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
4441 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
4442 instead of gen_call.
4444 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
4446 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
4448 2000-07-23 Kazu Hirata <kazu@hxi.com>
4450 * h8300.c: Fix formatting.
4452 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
4454 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
4455 for `long' switch expression into a plain warning.
4457 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
4458 (yylex): Don't pedwarn for "inline" in C99 mode.
4460 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
4462 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
4463 ggc_alloc): Likewise.
4464 * bb-reorder.c (dump_scope_forest_1): Likewise.
4466 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
4468 * reload.c (find_reloads_toplev): Add new parameter
4470 (find_reloads): Add new parameter to find_reloads_toplev calls.
4472 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
4474 * collect2.c (main): Typo fixed.
4475 * diagnostic.c: Typo fixed.
4476 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
4477 * eh-common.h: Typo fixed.
4478 * emit-rtl.c (start_sequence): Typo fixed.
4479 * flow.c (find_label_refs): Typo fixed.
4480 (calculate_global_regs_live): Typo fixed.
4481 (mark_regno_cond_dead): Typo fixed.
4482 (create_edge_list): Typos fixed.
4483 (verify_edge_list): Typo fixed.
4484 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
4485 * loop.c (strength_reduce): Typo in function name fixed.
4486 * rtl.h: Added comments. Typo in function name fixed.
4487 * rtlanal.c: Typo in function name fixed.
4488 (insn_dependant_p): Rename to ...
4489 (insn_dependent_p): ... this.
4490 (computed_jumo_p): Typo fixed.
4492 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4494 * system.h (__FUNCTION__): Wrap definition in #ifndef.
4496 2000-07-21 David Edelsohn <edelsohn@gnu.org>
4498 * rs6000.h (SIZE_TYPE): Define.
4500 2000-07-21 Mark Mitchell <mark@codesourcery.com>
4502 * ssa.c (rename_insn_1): Don't rename registers that are
4505 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
4507 * diagnostic.c (trim_filename, fancy_abort): Moved here from
4509 (fatal_function, set_fatal_function): Removed.
4510 (fatal): Don't prepare for or call the fatal_function.
4511 (diagnostic_lock, error_recursion): New.
4512 (diagnostic_for_decl, report_diagnostic): Guard against
4513 re-entering the error reporting routines.
4514 (fancy_abort): Assume function is not NULL.
4516 * errors.c (fancy_abort): New. Assume function is not NULL.
4517 * tradcpp.c (fancy_abort): Assume function is not NULL.
4519 * system.h: Provide default definition of __FUNCTION__.
4520 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
4521 Always use __FUNCTION__ in definition of abort.
4523 * varray.h: Likewise.
4524 * toplev.h: Likewise. Don't prototype set_fatal_function.
4526 2000-07-20 Geoff Keating <geoffk@cygnus.com>
4528 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
4530 * glimits.h: Don't do #if defined for ARCH_PPC.
4532 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
4533 constants of size no larger than a pointer should go in the TOC.
4534 Add 'MODE' parameter.
4535 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
4536 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
4537 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
4538 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
4539 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
4540 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
4541 (rs6000_legitimize_address): Likewise.
4542 (rs6000_emit_move): Likewise.
4543 (rs6000_select_rtx_section): Likewise.
4544 (output_toc): Deal properly with outputting small constants like
4545 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
4546 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
4547 MODE parameter. Put small constants in the TOC.
4549 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
4551 (rs6000_emit_move): When reload calls us with an illegitimate
4552 address, exit early. Move the change_address calls to one place
4553 at the end of the routine. Merge the SImode and DImode expanders.
4554 When called by reload to put an integer into a FP register, force
4557 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
4559 (rs6000_hash_constant): Hash mode too.
4560 (toc_hash_function): Allow for key_mode.
4561 (toc_hash_eq): Structures are different if key_mode differs.
4562 (output_toc): Add 'mode' parameter. Save key_mode.
4563 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
4564 Pass 'mode' parameter.
4565 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
4567 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
4568 for vtable references.
4570 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
4571 choice, don't put integer values in FP regs.
4573 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
4575 * flow.c (verify_flow_info): Revamp code to verify that the
4576 head and end of each basic block are in the insn chain.
4578 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
4580 * gcse.c (record_one_set): Prepend instead of append onto
4581 reg_set_table, making it O(n) instead O(n^2).
4582 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
4583 Use a queue instead of a stack as worklist.
4585 2000-07-20 Kazu Hirata <kazu@hxi.com>
4587 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
4588 * h8300.h (OK_FOR_T): New.
4589 (EXTRA_CONSTRAINT): Support OK_FOR_T.
4590 * h8300.md: Use inc/dec.[wl] for increment/decrement
4591 by 1 and 2 in HI and SI modes.
4593 2000-07-20 Jim Wilson <wilson@cygnus.com>
4595 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
4596 larger than 14 bits.
4598 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
4600 * cppmacro.c (CAN_PASTE_AFTER): New macro.
4601 (count_params): Don't set GNU_REST_ARGS on anything.
4602 (save_expansion): Set PASTE_LEFT only on tokens for which
4603 CAN_PASTE_AFTER is true, or which are named operators.
4605 * cpplex.c (parse_args): Distinguish between a rest argument
4606 given one empty argument, and a rest argument given zero arguments.
4607 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
4608 deletion of previous token based on that.
4609 (get_raw_token): Flatten some control structure.
4611 * cpplib.h (CPP_LAST_EQ): Correct.
4612 (VOID_REST): New token flag.
4613 (GNU_REST_ARGS): Delete.
4615 * tradcpp.c (main): Don't munge -D options.
4616 (make_definition): Bring -D handling in line with cpplib.
4617 (do_define): Strip all leading whitespace from macro definitions.
4619 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
4621 * Makefile.in (tradcpp): Depend on intl.o and version.o.
4623 2000-07-20 Bruce Korb <bkorb@gnu.org>
4625 * fixincl/check.tpl: strip the platform specific types before testing
4626 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
4627 * fixincl/fixincl.tpl: use platform specific types
4628 * fixincl/fixlib.h: include the platform specific types
4629 * fixincl/inclhack.def(gnu_types): don't supply the types
4630 * fixincl/fixincl.x: regen
4632 2000-07-19 Jim Wilson <wilson@cygnus.com>
4634 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
4637 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
4639 * tradcpp.c (rescan): Do not recognize directives when the #
4642 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
4644 Implement C++ named operators.
4646 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
4647 of operators allowed in #if and having an _EQ variant. Add
4648 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
4649 (cpp_token flags): Add NAMED_OP.
4650 (enum node_type): Add T_OPERATOR.
4651 (struct cpp_hashnode): Add code slot to value union.
4652 * cpphash.h (spec_nodes): Remove n_defined.
4654 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
4655 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
4656 (is_macro_disabled): Tweak error messages.
4658 * cpplib.c (get_define_node): Disallow all named operators as
4659 macro names. Tweak error messages.
4660 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
4662 * cppinit.c (builtin_array): Add entries for the named operators.
4663 * cppexp.c (lex): Check for CPP_DEFINED token.
4664 (priority table): Add entries for CPP_MIN and CPP_MAX.
4665 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
4667 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
4669 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
4670 larger than the array of cuids.
4671 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
4674 2000-07-19 Bruce Korb <bkorb@gnu.org>
4676 * fixinc/fixincl.c: Convert to using a table of environment variables
4677 and activate the auto-edit marker on the fixed output files.
4678 * fixinc/fixlib.h: Define the environment table
4679 * fixinc/fixincl.sh: export the ${INPUT} dir
4680 * fixinc/check.tpl: likewise
4682 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4684 * gcc.c (.h spec): Fix typo.
4686 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
4688 * Makefile.in: Fix tradcif.c path.
4690 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
4692 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
4695 * cpphash.h (TOKEN_NAME): New macro.
4696 (_cpp_spell_operator): Deleted.
4697 (token_spellings): Now _cpp_token_spellings.
4699 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
4700 * cpplex.c: Use OP and TK macros when expanding the
4701 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
4702 store the stringification of the enumeration name (CPP_CHAR,
4703 etc.) in the name slot of token_spellings.
4704 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
4705 token_spellings directly.
4706 * cpplib.c: Use TOKEN_SPELL.
4708 * cpplex.c (_cpp_push_token): If the token being pushed back
4709 is the previous token in this context, just subtract one from
4711 * cppmacro.c (save_expansion): Clear aux field when storing a
4714 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4716 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
4717 buffer, provided it is not NULL.
4719 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
4721 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
4722 case of invalid volatile re-declaration.
4724 2000-07-18 Jakub Jelinek <jakub@redhat.com>
4726 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
4727 (expand_call): Adjust caller.
4729 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
4731 * diagnostic.h (report_diagnostic): Change prototype.
4733 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
4734 diagnostic_for_decl): Change prototype.
4735 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
4736 error, warning, error_with_file_and_line,
4737 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
4738 Adjust call to report_diagnostic, diagnostic_for_decl.
4739 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
4740 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
4742 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
4743 varaible argument list.
4745 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4747 * cpphash.c: Don't include hashtab.h. Most macro-handling code
4748 moved to cppmacro.c.
4749 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
4750 dump_hash_helper): Delete.
4751 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
4752 cpp_forall_identifiers): New. Implement specialized version of
4753 Vlad's expandable hash table.
4754 (cpp_lookup): Use new functions.
4755 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
4757 * cppmacro.c: New file.
4758 * cppinit.c (dump_macros_helper): New.
4759 (cpp_finish): Iterate over the identifier table directly.
4760 * cpplex.c (parse_name): Calculate the hash of the identifier
4761 while we scan it. Use _cpp_lookup_with_hash when we can.
4763 * cpphash.h: Update prototypes.
4764 (xcnewvec, HASHSTEP): New helper macros.
4765 * cpplib.h: Update prototypes.
4766 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
4767 (cppmacro.o): New rule.
4768 (cpphash.o): Update deps.
4770 * cppmain.c: Do not set pfile->printer if no_output is on.
4772 2000-07-15 Neil Booth <neilb@earthling.net>
4774 * cpplib.c: Change all directive-handler functions to return
4776 * cpphash.h: Update typedefs.
4778 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4780 * configure: Regenerate.
4782 * extend.texi (Extended Asm): Mention that a memory clobber
4783 does not count as a side-effect.
4785 * unroll.c (copy_loop_body): Fix one instance of using host
4786 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
4789 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
4791 2000-07-17 Richard Henderson <rth@cygnus.com>
4793 * config/ia64/ia64.md (movdi): Split out load address code.
4794 New post-reload splitter for symbolic operands.
4795 (movdi_internal): Abort if we didn't split symbolic operands
4796 when we should have.
4797 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
4798 (ia64_reorg): Split insns when not optimizing.
4799 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
4801 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
4803 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
4804 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
4806 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4808 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
4810 2000-07-17 Jason Merrill <jason@redhat.com>
4812 * Makefile.in (clean): Remove libgcc directory.
4814 * configure.in (-Wno-long-long check): Use higher-level macros.
4816 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
4818 * simplify-rtx.c (simplify_binary_operation): Recognize
4819 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
4820 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
4821 a CONST_INT, it will always be zero.
4823 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
4825 * loop.c (check_dbra_loop) : Return if more than one condition is
4826 present to control the loop.
4828 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
4830 * mips.c (mips_expand_prologue): Don't calculate the last argument
4831 register unless we need it. When we are calculating this, make
4832 sure FUNCTION_ARG is giving us a REG.
4834 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4836 * flow.c (libcall_dead_p): Use single_set to verify the insn
4837 has only one set and get for analysis.
4838 (propagate_one_insn): Don't pass the PATTERN of the insn.
4840 2000-07-17 Mark Klein <mklein@dis.com>
4842 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
4844 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4846 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
4847 * configure.in (TARGET_GETGROUPS_T): Evaluate.
4848 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
4849 of second argument of getgroups.
4850 * configure, config.in: Rebuilt.
4852 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
4854 * simplify-rtx.c (simplify_relational_operation): Two signed
4855 values with equal high words are less/greater than each other if
4856 their low words are less/greater when considered as unsigned.
4858 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
4860 * configure.in (vax-*-openbsd): Change to new style configuration,
4861 add collect2/float_format information.
4862 * configure: Rebuilt.
4863 * config/vax/openbsd1.h: New.
4864 * config/vax/openbsd.h: New.
4865 * config/vax/t-openbsd: New.
4867 2000-07-17 Chip Salzenberg <chip@valinux.com>
4869 * c-common.c (shorten_compare): Quiet warnings about unsigned
4870 comparisons with zero when they occur in a system header.
4872 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4874 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
4875 update to describe current practice.
4877 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
4879 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
4880 references to C9X. Change references to -fstd and -flang-isoc9x
4883 * c-common.c (scan_char_table): Allow "z" length modifiers on
4885 (check_format_info): Use TYPE_DOMAIN on the type matched against
4886 for "z" formats, to retrieve the language size_t rather than the
4889 * c-common.c (check_format_info): Do not make a pedantic objection
4890 to the 'L' length modifier if used with a floating point type
4893 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
4894 constants in C99 mode.
4896 2000-07-17 Kazu Hirata <kazu@hxi.com>
4898 * h8300.md: Fix the format of mac.
4899 (movsi_h8300hs): Output a tab after stmac instead of a space.
4901 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
4902 profitable adds/subs sequences.
4904 * fold-const.c: Fix comment typos.
4906 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
4908 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
4910 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4912 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
4914 2000-07-16 Neil Booth <NeilB@earthling.net>
4916 * cpplex.c: Update comments.
4917 * README.Portability: Small update.
4919 2000-07-16 Neil Booth <NeilB@earthling.net>
4921 * README.Portability: Small update.
4923 2000-07-15 Richard Henderson <rth@cygnus.com>
4925 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
4926 * config/ia64/ia64.c (ia64_move_ok): New function.
4927 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
4928 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
4930 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
4932 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
4933 immediately following a paste operator.
4934 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
4935 (cpp_reader_init): Call it, if HOST_EBCDIC.
4936 (cpp_handle_options): Do not sort option list here.
4937 (handle_option): Rename to cpp_handle_option and export.
4938 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
4939 _cpp_get_token directly.
4940 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
4941 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
4942 * cpplib.h: Prototype cpp_handle_option. Update prototype of
4945 2000-07-15 Richard Henderson <rth@cygnus.com>
4947 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
4948 cast around an expression. Tidy other unsigned tests.
4950 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
4952 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
4953 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
4954 (v_message_with_decl): Rename to ...
4955 (format_with_decl): ... this. Tweak
4956 (diagnostic_for_decl): New function.
4957 (fatal_io_error): Use verbatim in lieu of notice.
4958 (announce_function): Use verbatim.
4959 (default_print_error_function): Likewise.
4960 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
4963 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4965 * mips.c (function_arg_pass_by_reference): Don't do automatic
4966 aggregate initialization.
4967 (machine_dependent_reorg): Initialize variable `mode'.
4969 * mips.md (absdi2): Change variable `regno1' to unsigned int.
4970 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
4971 conflicts with sys/param.h macro of the same name.
4972 (reload_outdi): Likewise.
4974 2000-07-15 Michael Meissner <meissner@redhat.com>
4976 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
4977 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
4978 create a new node instead.
4980 2000-07-15 Neil Booth <NeilB@earthling.net>
4982 * README.Portability: Correct example about calling a function
4983 through a pointer to function. Format wide paragraphs.
4985 2000-07-15 Michael Meissner <meissner@redhat.com>
4987 * README.Portability: Update integer suffixes and function
4990 2000-07-15 Neil Booth <NeilB@earthling.net>
4992 * README.Portability: Small update.
4994 2000-07-15 Neil Booth <NeilB@earthling.net>
4996 * README.Portability: New file.
4998 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
5000 * INSTALL: Give special instructions for building GCC on Irix 6.
5001 * config/mips/x-iris6 (CC): Don't set it.
5004 2000-07-14 Jason Merrill <jason@redhat.com>
5006 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
5007 register in the stack and later in another register, use the new
5010 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5012 * config/mips/mips.md: (absdi2): Handle sign_extend for
5015 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
5017 * cpplib.c (do_pragma_dependency): Tidy warning messages.
5019 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
5021 * .cvsignore: Correct typo.
5023 2000-07-13 Mark Mitchell <mark@codesourcery.com>
5025 * .cvsignore: Add generated YACC files.
5026 * objc/.cvsignore: New file.
5028 2000-07-14 Neil Booth <NeilB@earthling.net>
5030 * cpplex.c (adjust_column): New funcion.
5031 (skip_whitespace): Use it.
5032 (skip_block_comment): Use it, and warn about /*/* with
5035 2000-07-14 Neil Booth <NeilB@earthling.net>
5037 * cpphash.c (struct macro_info): Add new members.
5038 (_cpp_free_definition): Delete the macro directly.
5039 (count_params): Return void, with first token of
5040 expansion in struct macro_info on success.
5041 (parse_define): Return int. Hoist syntax checking from
5042 save_macro_expansion. Leave call to save_expansion to
5043 _cpp_create_definition.
5044 (alloc_macro): Needs just 2 arguments.
5045 (free_macro): Delete.
5046 (save_expansion): Don't perform syntax check.
5047 (_cpp_create_definition): Call save_expansion.
5049 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5051 * genrecog.c (write_header): Split long string.
5053 * cpphash.c (macro_info): Don't use the `signed' keyword.
5055 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
5057 2000-07-13 Jakub Jelinek <jakub@redhat.com>
5059 * calls.c (stored_args_map): New variable.
5060 (check_sibcall_argument_overlap_1): New.
5061 (check_sibcall_argument_overlap): New.
5062 (expand_call): Initialize stored_args_map.
5063 Call check_sibcall_argument_overlap.
5065 2000-07-13 Bruce Korb <bkorb@gnu.org>
5067 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
5068 (emit_gnu_type): utility procedure for gnu_type_fix
5069 (gnu_type_fix): implement various pre-processor guards around
5070 standard types so these types can be defined over and over
5071 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
5072 types alluded to above will have GNU-compliant base types
5073 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
5074 * fixinc/inclhack.def: add test_text entries and utilize the new
5075 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
5076 * fixinc/fixincl.x: regenerate
5078 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5080 * diagnostic.c (vline_wrapper_message_with_location,
5081 v_message_with_file_and_line, v_error_with_file_and_file,
5082 v_error_for_asm, v_warning_for_asm, vfatal,
5083 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
5084 vsorry, verror, vwarning, vpedwarn): Remove.
5085 (diagnostic_for_asm): New function.
5086 (pedwarn, error, warning, pedwarn_with_file_and_line,
5087 error_with_file_and_line, warning_with_file_and_line, sorry,
5088 error_for_asm, warning_for_asm, fatal): Reimplement.
5089 (finish_diagnostic): Clear diagnostic info as well.
5091 2000-07-13 Neil Booth <NeilB@earthling.net>
5093 * c-common.h (flag_digraphs): New.
5094 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
5095 * c-lex.c (yylex): Use flag_digraphs to decide whether to
5098 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
5100 * gcc.c (do_spec_1): Add new %B operator.
5101 (set_input): Prepare for %B.
5103 (link_command_spec): Move up with the other tm.h-
5104 overrideable specs. Factor out the portion conditional on
5105 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
5106 (struct compiler): Just have a single spec string. All users
5108 (default_compilers): Remove unnecessary braces.
5109 (static_specs): Update.
5111 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
5113 (C and assembly specs): Use the new named specs, as appropriate.
5115 * objc/lang-specs.h: Use the new named specs.
5116 Remove unnecessary braces.
5118 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
5120 * gcc.c (execute): If a subprocess gets a fatal signal, report
5121 strsignal() of the signal number, and ask for a bug report.
5122 Do not do this for SIGPIPE if there's already been an error.
5124 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
5127 * tradcif.c: Remove.
5129 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
5131 * final.c (profile_function): Do not emit profile counters in
5132 the data section, if NO_PROFILE_COUNTERS is defined.
5133 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
5136 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
5137 (FUNCTION_PROFILER): Just emit a call to mcount.
5139 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
5141 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
5143 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
5144 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
5145 traditional, lang_chill, or lang_fortran.
5147 * cppfiles.c: #undef strcmp to suppress warning about macros
5148 used without arguments.
5149 (_cpp_execute_include): Use f, not fname, in "No include path"
5151 (_cpp_pop_file_buffer): New function.
5152 * cpplib.c: Don't include <sys/mman.h>.
5153 (cpp_push_buffer): Set line_base and lineno in new buffer.
5154 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
5156 * cpplex.c: Move all prototypes and structure declarations to the
5157 top of the file. Properly parenthesise some macro arguments.
5158 (cpp_scan_line): New function.
5159 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
5160 don't need to walk up the stack counting.
5162 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5164 * c-common.c (combine_strings): Emit a pedantic warning when a
5165 string length is greater than the minimum ANSI C is required
5168 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
5170 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
5171 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
5173 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5175 * c-decl.c (define_label): Warn about identifier conflicts with
5176 labels in traditional C.
5178 * c-parse.in (unop +): Warn about the unary plus operator for
5181 * c-typeck.c (store_init_value): Warn about automatic aggregate
5182 initialization for traditional C.
5184 * invoke.texi (-Wtraditional): Document new warnings.
5186 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
5188 * Makefile.in (c-errors.o): Fix thinko in dependency.
5190 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
5192 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
5193 -traditional, -ftraditional, or -traditional-cpp was given.
5194 Do not pass -traditional to the preprocessor.
5195 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
5196 preprocessor does it automatically.
5197 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
5199 * ch/lang-specs.h: Always use tradcpp. Do not pass
5200 -traditional, -trigraphs, or -pedantic to the preprocessor.
5201 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
5204 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
5206 * cppexp.c (LOGICAL): Delete macro.
5207 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
5210 * cpphash.c (HASHSIZE): Increase to 4096.
5211 (struct hashdummy): Add hash field.
5212 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
5213 the string values using memcmp.
5214 (cpp_lookup): Set dummy.hash.
5216 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
5218 * configure.in (m88k-openbsd): Express configuration using new fragment
5220 * configure: Rebuilt.
5221 * m88k/aout-dbx.h: New.
5222 * m88k/openbsd.h: New.
5223 * m88k/xm-openbsd.h: New.
5225 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5227 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
5229 2000-07-12 Richard Henderson <rth@cygnus.com>
5231 * reload.c (push_secondary_reload): Make sure to add the new
5232 reload at the end, after acquiring secondary memory.
5234 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5236 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
5238 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
5239 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
5241 * c-parse.in (stmt): Delete unused variables.
5243 * convert.c (convert_to_vector): Likewise.
5245 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
5247 * tree.c (finish_vector_type): Prototype.
5249 2000-07-12 Bruce Korb <bkorb@gnu.org>
5251 * fixinc/fixfixes.c: use xmalloc
5252 * fixinc/fixincl.c(initialize): set program name for xmalloc
5253 * fixinc/fixlib.c(must_malloc): obsolete
5254 (is_cxx_header): no longer used - disabled
5255 (skip_quote): inserted and disabled for future use
5256 * fixinc/fixlib.h: reflects above
5257 * fixinc/fixtests.c: removed dinkleberries
5259 2000-07-12 Neil Booth <NeilB@earthling.net>
5261 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
5262 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
5264 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
5265 struct toklist_dummy): New.
5266 (cpp_free_definition): Free macros with free_macro.
5267 (count_params): Don't save paramter spellings. Save macro
5268 information in a struct macro_info.
5269 (parse_define): Don't allocate a token list.
5270 (save_expansion): Allocate the macro's token list, and
5271 save parameter spellings if necessary. Use TOKEN_SPELL.
5272 (cpp_create_definition): Make list const.
5274 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
5276 * c-typeck.c (pedwarn_c99): Move to
5277 * c-errors.c: ... Here.
5278 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
5279 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
5280 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
5281 (c-errors.o): List dependency.
5283 2000-07-12 Mark Mitchell <mark@codesourcery.com>
5285 * c-parse.c: Remove.
5286 * c-parse.h: Likewise.
5287 * c-parse.y: Likewise.
5288 * objc/objc-parse.c: Likewise.
5289 * objc/objc-pasre.y: Likewise.
5291 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
5293 * gcc.texi: Fix minor typos
5294 * extend.texi: Fix minor typos
5296 2000-07-11 Marc Espie <espie@openbsd.org>
5298 * collect2.c (main): Recognize .lo as object files.
5300 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5302 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
5305 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
5306 with MAP_ANONYMOUS and MAP_ANON.
5307 * configure, config.in: Rebuilt.
5309 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
5311 * diagnostic.c (save_output_state): Remove.
5312 (restore_output_state): Likewise.
5313 (clear_text_info): New function.
5314 (clear_diagnostic_info): Likewise.
5315 (output_text_length, is_starting_newline, output_prefix,
5316 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
5317 prefixing_policy, output_buffer_ptr_to_format_args): New macros
5318 (set_real_maximum_length, output_set_maximum_length,
5319 output_set_prefix, output_get_prefix, output_set_maximum_length,
5320 output_destroy_prefix, init_output_buffer,
5321 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
5322 output_add_newline, output_add_character, output_add_space,
5323 output_append_r, output_append, wrap_text, output_format,
5324 output_do_printf, output_printf, output_do_verbatim,
5325 output_verbatim, verbatim): Use them.
5326 (output_clear): Split into cleat_text_info and
5327 clear_diagnostic_info.
5328 (struct output_state): Move to...
5330 * diagnostic.h: ...Here
5331 (struct output_buffer): Adjust.
5333 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
5335 * cpplex.c (parse_name): No longer inline (premature optimization).
5336 (do_pop_context): Fold into pop_context.
5337 (pop_context): Returns int.
5338 (lex_next): Hoist test for end of directive into pop_context.
5339 (push_macro_context): Returns int; takes just reader and token.
5340 Hoist test for excessive nesting to caller.
5341 (push_arg_context): Returns void; takes just reader and token.
5342 Do not call stringify_arg or get_raw_token.
5343 (get_raw_token): Convert tail recursion through push_arg_context
5344 to a loop at this level. Call stringify_arg here if appropriate.
5345 (maybe_paste_with_next): Convert tail recursion to a while loop.
5346 Hoist test of paste_level to caller.
5348 (stringify_arg): Push arg context at beginning.
5349 (cpp_get_token): Split out core into _cpp_get_token. Call
5350 process_directive here. Throw away CPP_PLACEMARKER tokens.
5351 (_cpp_get_token): Convert tail recursion through
5352 push_macro_context to a loop at this level.
5353 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
5354 _cpp_get_raw_token): Use _cpp_get_token.
5355 (_cpp_skip_rest_of_line): Drop the context stack directly; do
5356 not call pop_context.
5357 (_cpp_run_directive): Call lex_next directly.
5359 * cpphash.h: Prototype _cpp_get_token.
5360 * cppexp.c (lex): Use it.
5361 * cpphash.c (parse_define): Use it.
5362 * cpplib.c (get_define_node, do_undef, parse_include,
5363 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
5364 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
5365 parse_ifdef, validate_else): Use it.
5366 (cpp_push_buffer): Tweak error message; abort if anyone tries
5367 to push a buffer while macro expansions are stacked.
5369 2000-07-11 Donn Terry <donnte@microsoft.com>
5371 * cpplex.c (free_macro_args, save_token): Cast arg of free
5372 and/or xrealloc to PTR.
5373 (_cpp_init_input_buffer): Clear all fields of the base context.
5375 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
5377 * gensupport.c (process_rtx): Make rtl checking stop
5378 complaining about the define_insn while it is being
5379 converted from a define_insn_and_split.
5381 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
5383 * config/mips/mips.c (simple_memory_operand): Access the
5384 INTVAL of the address, not it's containing MEM.
5386 2000-07-11 Bruce Korb <bkorb@gnu.org>
5388 * fixinc/fixtests.c(double_slash): obsolete
5389 (else_endif_label): likewise
5390 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
5391 (libc1_ifdefd_memx): correct initial comment
5392 and omit the #if/#endif pair from the memxxx declarations
5393 * fixinc/fixincl.x: regen
5395 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
5399 2000-07-11 Neil Booth <NeilB@earthling.net>
5403 2000-07-11 Neil Booth <NeilB@earthling.net>
5405 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
5406 (handle_option): Set digraphs according to standard.
5407 Merge OPT_lang_c89 handler with OPT_std_c89.
5409 * cpplex.c: (lex_line, can_paste): Honour digraphs in
5410 accordance with the digraphs flag.
5412 * cpplib.h: (struct cpp_options): New option digraphs.
5414 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
5415 Bruce Korb <bkorb@gnu.org>
5417 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
5418 * fixinc/fixincl.x: Regenerate.
5419 * fixinc/tests/base/testing.h: Add testcase.
5421 2000-07-10 Richard Henderson <rth@cygnus.com>
5423 * config/ia64/ia64.c (got_symbolic_operand): New.
5424 (symbolic_operand, move_operand): Revert 0701 change.
5425 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5426 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
5427 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
5428 split the offset into a 14-bit low part instead of a 13-bit low part.
5429 (load_fptr): Mark the mem as unchanging.
5430 (load_symptr): Use got_symbolic_operand.
5432 2000-07-10 Nick Clifton <nickc@cygnus.com>
5434 * libgcc2.c (next_stack_level): Cast result of computation to
5435 (void **) so that the assignment does not generate a warning.
5437 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
5439 * flags.h : Add new variable flag_single_precision_constant.
5440 * toplev.c (display_help) : Add -fsingle-precision-constant option.
5441 (flag_single_precision_constant): New.
5442 * c-lex.c (yylex): Convert floating point constant to single
5444 * invoke.texi : Add documentation for this new option.
5446 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
5448 * diagnostic.c (output_octal): Second parameter is unsigned.
5449 (output_long_octal): Likewise.
5450 (output_hexadecimal): Likewise.
5451 (output_long_hexadecimal): Likewise.
5452 (output_format): Adjust arguments extraction. Tweak.
5453 (output_verbatim, verbatim): End variable argument list.
5454 (report_diagnostic): Improve documentation.
5456 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
5458 * c-common.h (build_stmt): Declare.
5459 (build_continue_stmt): Likewise.
5460 (build_break_stmt): Likewise.
5461 (build_return_stmt): Likewise.
5463 * c-decl.c (do_case): Rewrite to do what previously done in
5466 * c-semantics.c (build_stmt): Define.
5467 (build_return_stmt): Likewise.
5468 (build_break_stmt): Likewise.
5469 (build_continue_stmt): Likewise.
5470 (build_case_label): Likewise.
5472 * c-parse.in (BREAK): Change to build tree, then generate RTL.
5473 (CONTINUE): Likewise.
5476 (DEFAULT): Likewise.
5478 * c-parse.y: Regenerate.
5479 * c-pasre.c: Likewise.
5481 2000-07-09 Jason Merrill <jason@redhat.com>
5483 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
5485 * tree.h (STRIP_NOPS): Check for error_mark_node.
5486 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
5487 (dwarf2out_*): Remove duplicate declarations.
5489 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
5490 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
5492 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
5494 * diagnostic.c (wrap_text): New function.
5495 (maybe_wrap_text): Likewise.
5496 (output_add_string): Use it.
5497 (output_format): Likewise.
5498 (count_error): Use verbatim instead of notice.
5499 (report_error_function): Likewise. Don't use plain fprintf.
5500 (finish_diagnostic): New function.
5501 (output_do_verbatim): Tweak. Commonalize functionalities in
5502 output_verbatim and verbatim.
5503 (output_verbatim): Adjust.
5504 (verbatim): Likewise.
5505 (report_diagnostic): Define.
5507 * diagnostic.h (report_diagnostic): Prototype.
5509 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
5511 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
5513 2000-07-09 Neil Booth <NeilB@earthling.net>
5515 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
5516 IShspace, ISspace: Update.
5518 * cppinit.c: ISTABLE: Update.
5521 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
5522 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
5523 (skip_block_comment, skip_line_comment, parse_string,
5524 lex_line): Use is_vspace rather than IS_NEWLINE.
5525 (skip_whitespace, lex_line): Clean up to use is_nvspace.
5526 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
5528 (lex_next): Unconditionally stop if within a directive.
5529 Treat directives within macro invocations as directives
5530 (after parse_args emits error), not as the argument.
5532 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
5534 * diagnostic.c (diagnostic_args): New macro.
5535 (diagnostic_msg): Likewise.
5536 (output_formatted_integer): Likewise.
5537 (output_state): New data type.
5538 (digit_buffer): Make global.
5539 (output_add_integer): Rename to output_decimal. Squeeze
5541 (output_long_decimal, output_unsigned_decimal,
5542 output_long_unsigned_decimal, output_octal, output_long_octal,
5543 output_hexadecimal, output_long_hexadecimal): New functions.
5544 (output_append_r): New function.
5545 (output_append): Tweak.
5546 (output_flush_on): Rename to output_to_stream.
5547 (output_format): Change prototype. Improve documentation. Handle
5548 more format specifiers.
5549 (build_location_prefix): Rename to context_as_prefix.
5550 (output_notice): Rename to output_do_printf.
5551 (output_printf): Tweak.
5552 (line_wrapper_printf): Likewise.
5553 (vline_wrapper_message_with_location): Adjust call to renamed
5555 (v_message_with_decl): Likewise.
5556 (default_print_error_function): Likewise.
5557 (save_output_state): New function.
5558 (restore_output_state): Likewise.
5559 (output_do_verbatim): Likewise.
5560 (output_verbatim): Define.
5561 (verbatim): Likewise.
5563 * diagnostic.h (printer_fn): Change return type from void to int.
5564 Improve documentation.
5565 (output_add_integer): Rename to output_decimal.
5566 (output_flush_on, output_format): Don't export.
5567 (output_verbatim, verbatim): Declare.
5569 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
5571 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
5572 Check whether c divides op1 exactly if operation is not
5575 2000-07-08 Richard Henderson <rth@cygnus.com>
5577 * final.c (final): Do not abort when reg-stack introduces
5580 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
5582 * cpplib.h (struct cpp_name): Now struct cpp_string.
5583 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
5584 CPP_HEADER_NAME): Change to type S.
5585 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
5586 field, a cpp_hashnode *. All references to val.name updated
5587 to use val.str or val.node as appropriate.
5588 (struct cpp_reader): Add spec_nodes field.
5589 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
5591 * cpphash.h (struct spec_nodes): New.
5592 (enum spell_type): Reorder. Only SPELL_STRING tokens use
5593 val.str. All references to 'spelling > SPELL_NONE' updated to
5596 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
5597 pfile->buffer->inc are not NULL before dereferencing them.
5599 * cpplex.c (parse_name): Take a pointer to the current token,
5600 plus current position and limit as args; return the new
5601 position; don't copy the text of a name into the string
5602 buffer, instead call cpp_lookup and store the node pointer.
5603 If extending a token, copy out the text of the old into a
5604 scratch buffer, append the new, look that up and store the new
5605 node pointer. Inline.
5606 (maybe_paste_with_next): If the result of paste is a NAME,
5607 then look up the pasted text and store its node pointer.
5608 (lex_line): Adjust for new parse_name interface.
5609 Check for L"str", L'str' using spec_nodes->n_L.
5610 (spell_token): SPELL_IDENT tokens have their spelling in
5611 val.node->name. Handle SPELL_STRING tokens that don't have
5613 (_cpp_expand_name_space,
5614 (can_paste): Check for L ## "str" using spec_nodes->n_L.
5615 (cpp_get_token, special_symbol): No need to call cpp_lookup.
5616 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
5617 return 1=equal 0=not, not a tristate.
5619 * cpphash.c (var_args_str): Delete.
5620 (find_param): Compare node fields directly.
5621 (is__va_args__): Use CPP_PEDANTIC. Just compare
5622 token->val.node with spec_nodes->n__VA_ARGS__.
5623 (dump_funlike_macro): Don't use var_args_str.
5625 * cpplib.c (_cpp_check_directive): Just walk through
5626 spec_nodes->dirs comparing pointers.
5627 (get_define_node, do_pragma_poison, detect_if_not_defined,
5628 parse_ifdef): The identifier has already been looked up.
5629 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
5631 (do_if): Only call detect_if_not_defined at beginning of file.
5632 (_cpp_parse_assertion): Only copy string pointers for
5633 SPELL_STRING tokens.
5634 (pragma_dispatch): Take a node pointer and examine its name
5636 (_cpp_init_stacks): Also initialize the spec_nodes structure.
5638 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
5640 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
5641 reverse order from the corresponding _cpp_init_* routines.
5643 * cppexp.c (parse_number, parse_charconst, parse_defined,
5644 lex): Check val.node->type instead of calling cpp_defined.
5645 Use spec_nodes entries where appropriate.
5647 * fix-header.c, scan-decls.c: Update for interface changes.
5649 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
5651 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
5652 emitting aux_truncdfsf2.
5654 2000-07-03 Donn Terry (donnte@microsoft.com)
5656 * cppinit.c (print_help): split overlong line into ISO C89
5659 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5661 * cppexp.c: Update all code for new lexer interface.
5662 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
5663 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
5664 * cpplex.c (token_names): Trim leading CPP_ from names; make
5665 the strings unsigned.
5666 (_cpp_spell_operator): New.
5667 (is_macro_disabled): Disable all macros if rescanning
5669 (_cpp_get_directive_token): Remove.
5671 * cppinit.c: Don't set no_macro_expand.
5672 * cpplib.c (read_line_number, do_line): Check only for EOF,
5674 * cpphash.h: Update prototypes.
5675 * cpplib.h (CPP_VSPACE): Remove.
5676 (struct cpp_reader): Remove no_macro_expand.
5678 2000-07-08 Neil Booth <NeilB@earthling.net>
5680 * cpphash.c (is__va_args__): New function.
5681 (count_params): Fix line reported in error messages. Use
5682 is__va_args__. Don't return ')' on error. Flag GNU style
5683 rest args macro definitions.
5684 (parse_define): Check macro name is not __VA_ARGS__.
5685 (save_expansion): Check identifier in non-varargs-macro is
5686 not __VA_ARGS__. Don't flag GNU_VARARGS.
5687 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
5688 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
5689 than per-token GNU_VARARGS.
5690 * cpplib.h (GNU_VARARGS): Remove.
5691 (GNU_REST_ARGS): New.
5693 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5695 * i386.md (call_pop, call, call_value_pop): Do not set
5696 current_function_uses_pic_offset_table for calls to static
5697 functions or indirect calls.
5699 2000-07-07 Jim Wilson <wilson@cygnus.com>
5701 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
5702 is_predicate_reg, then take max write_count of register pair.
5704 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * tradcpp.c (main): Rename label `include' to `add_include' to
5707 avoid conflicts with variable `include' in traditional C.
5709 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5711 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
5713 2000-07-07 Jakub Jelinek <jakub@redhat.com>
5715 * sibcall.c (uses_addressof): Add INMEM argument, check for
5716 current_function_internal_arg_pointer outside of MEM rtxs in addition
5718 (sequence_uses_addressof): Update caller.
5720 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
5722 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
5725 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5727 * system.h (UNION_INIT_ZERO): New macro for initializing union
5730 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
5732 2000-07-07 Neil Booth <NeilB@earthling.net>
5736 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
5738 * final.c (final): Detect out of bounds array access to
5739 the insn_lengths array.
5741 2000-07-07 Kazu Hirata <kazu@hxi.com>
5743 * fold-const.c (fold): Fix a comment typo.
5745 2000-07-07 Neil Booth <NeilB@earthling.net>
5747 * cpp.texi: Update to new lexer.
5749 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5751 * tradcpp.c: New file.
5752 * tradcif.y: New file.
5753 * tradcif.c: New generated file.
5755 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
5756 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
5757 dependencies of C. Install tradcpp from install-common, in
5760 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
5762 * cppinit.c: Include cppdefault.h. Refer to
5763 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
5764 to GCC_INCLUDE_DIR and its length.
5765 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
5766 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
5767 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
5769 (include_defaults_array): Move to cppdefault.c.
5771 * cppdefault.h: New file.
5772 * cppdefault.c: New file.
5774 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
5775 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
5776 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
5779 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5781 * reload.c (push_reload): When seeing if can reuse a register,
5782 check extra registers against widest of INMODE and OUTMODE.
5784 2000-07-06 Neil Booth <NeilB@earthling.net>
5786 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
5787 based on full length of predicate.
5789 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
5791 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
5792 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
5794 2000-07-05 Kazu Hirata <kazu@hxi.com>
5796 * h8300-proto.h: Fix formatting.
5797 * h8300.c: Likewise.
5798 * h8300.h: Likewise.
5800 2000-07-05 Jim Wilson <wilson@cygnus.com>
5802 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
5805 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
5807 * invoke.texi: Fix minor typos
5808 * md.texi: Fix minor typos
5810 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
5812 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
5814 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5816 * cpplex.c: Don't include sys/mman.h.
5817 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
5819 * cpplib.c: Include sys/mman.h and obstack.h.
5820 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
5822 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
5823 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
5824 bother freeing if stack entries (they will be freed with their buffer).
5825 (do_endif): Free if stack entries from the buffer obstack.
5826 (push_conditional): Allocate if stack entries from the buffer obstack.
5828 (find_answer): Rename to _cpp_find_answer.
5829 (do_assert, do_unassert): Update.
5831 * cpphash.h: Update prototypes.
5832 (xobnew): New convenience macro.
5833 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
5835 (struct cpp_hashnode): Remove disabled field.
5837 * cppinit.c: Don't include hashtab.h or splay-tree.h.
5838 (report_missing_guard): Moved to cppfiles.c.
5839 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
5841 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
5842 cpp_cleanup_includes. Don't destroy hashtab or
5843 all_include_files here.
5844 (cpp_finish): Use _cpp_report_missing_guards.
5846 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
5847 (_cpp_init_include_table): Rename _cpp_init_includes.
5848 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
5850 * cppexp.c (parse_assertion): Update for new name of
5853 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
5855 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
5857 * cpplib.c (do_ident): s/VSPACE/EOF/
5859 2000-07-05 Neil Booth <NeilB@earthling.net>
5861 * cpplex.c: Fix trigraph replacement within strings.
5863 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5865 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
5867 * xcoffout.c (assign_type_number): Constify.
5868 (xcoffout_source_file): Add static prototype. Don't needlessly
5869 cast away const-ness.
5871 2000-07-04 Jason Merrill <jason@redhat.com>
5873 * frame.h (frame_state): Move base_offset to end.
5875 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5877 * calls.c (emit_library_call_value_1): Revert previous change.
5879 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5881 * fix-header.c (struct partial_proto): Remove unnecessary fields.
5882 (recognized_extern, recognized_function, read_scan_file):
5883 Update for new scheme.
5884 (check_protection): It's still a multiple include guard even
5885 if it doesn't always trigger.
5886 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
5888 * scan.h: Declare struct cpp_token. Update prototypes.
5890 2000-07-03 Neil Booth <neilb@earthling.net>
5891 Zack Weinberg <zack@wolery.cumb.org>
5893 Complete overhaul of the lexer and macro expander.
5895 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
5896 arg, arglist, argdata, reflist, collect_objlike_expansion,
5897 collect_funlike_expansion, collect_params,
5898 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
5899 unsafe_chars, macarg, compare_defs, special_symbol,
5900 scan_arguments, stringify, funlike_macroexpand,
5901 _cpp_quote_string, monthnames): Delete.
5902 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
5903 _cpp_create_definition, _cpp_dump_definition,
5904 dump_hash_helper): Adjust.
5905 (find_param, count_params, parse_define, var_args_str,
5906 check_macro_redefinition, save_expansion): New.
5908 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
5909 parse_string, output_line_command, trigraph_replace,
5910 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
5911 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
5912 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
5913 _cpp_skip_rest_of_line): Modify.
5915 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
5916 find_position, null_warning, bump_column, expand_name_space,
5917 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
5918 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
5919 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
5920 _cpp_prescan): Delete.
5922 (dump_param_spelling, process_directive, lex_next,
5923 is_macro_disabled, stringify_arg, expand_context_stack,
5924 output_token, make_string_token, alloc_number_token,
5925 special_symbol, duplicate_token, maybe_paste_with_next,
5926 can_paste, prevent_macro_expansion, restore_macro_expansion,
5927 get_temp_token, release_temp_tokens, quote_string,
5928 token_names, token_spellings, _cpp_expand_name_space,
5929 _cpp_glue_header_name, _cpp_reserve_name_space,
5930 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
5931 placemarker_token, eof_token, cpp_context, macro_args,
5932 get_raw_token, parse_arg, parse_args, save_token,
5933 push_arg_context, push_macro_context, pop_context,
5934 do_pop_context, free_macro_args, _cpp_get_line,
5935 _cpp_run_directive): New.
5937 * cpplib.c (validate_else, parse_include, push_conditional,
5938 pass_thru_directive, read_line_number, parse_ifdef,
5939 detect_if_not_defined, _cpp_check_directive, do_define,
5940 do_undef, do_include, do_import, do_include_next, do_error,
5941 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
5942 top_pragmas, do_pragma_gcc, do_pragma_implementation,
5943 do_pragma_poison, do_pragma_system_header,
5944 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
5945 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
5946 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
5947 cpp_defined): Update for new scheme.
5948 (strtoul_for_line, get_define_node, dump_macro_name,
5949 _cpp_check_linemarker, _cpp_parse_assertion): New.
5950 (_cpp_handle_directive, do_pragma_default): Delete.
5952 * cpphash.h (struct predicate): Now struct answer.
5953 (enum spell_type, struct token_spelling, struct directive,
5954 directive_handler): New.
5955 Update prototypes. Remove unused macros.
5956 * cpplib.h: Update prototypes. Remove unused macros,
5957 structure definitions, and fields.
5959 * cpperror.c (print_containing_files, v_message): Adjust.
5960 * cppexp.c (parse_assertion, lex, parse_escape,
5961 _cpp_parse_expr): Adjust.
5962 * cppfiles.c (open_include_file, _cpp_execute_include,
5963 _cpp_compare_file_date, cpp_read_file, read_include_file):
5965 * cppinit.c (dump_special_to_buffer): Delete.
5966 (append_include_chain, merge_include_chains, cpp_reader_init,
5967 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
5968 cpp_finish, handle_option, print_help): Adjust.
5969 * cppmain.c (main): Adjust.
5971 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5973 * cppspec.c (lang_specific_driver): Use double quotes in error
5976 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5978 * calls.c (emit_library_call_value_1): Use valreg instead
5979 of hard_libcall_value.
5981 2000-07-03 Geoff Keating <geoffk@cygnus.com>
5983 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
5984 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
5985 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
5993 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
5994 mode instead of wider_mode is being used.
5996 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5998 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
5999 of 'r'. Use q_regs_operand.
6000 (andsi_1+2): Use q_regs_operand.
6002 2000-07-03 Jakub Jelinek <jakub@redhat.com>
6004 * builtins.c (get_memory_rtx): Always put into alias set 0.
6006 2000-07-03 Nick Clifton <nickc@cygnus.com>
6008 * config/arm/arm.md: Fix post increment and pre increment
6009 peepholes so that they do not generate UNPREDICATBLE opcodes.
6010 (ie ones where the increment clobbers the source/destination).
6012 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
6014 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
6015 change too big for -mtiny-stack" a warning, if larger than 63.
6016 (out_set_stack_ptr): Change the logic so -mno-interrupts is
6017 always safe to use on possible future devices.
6018 (function_prologue): Write SPH before SPL, for consistency.
6019 If interrupt_func_p true, we know we have enabled interrupts.
6020 (avr_num_arg_regs): New function. Round up to even number of
6021 bytes if no -mpack-args or if calling a libgcc function.
6022 (function_arg, function_arg_advance): Use it.
6023 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
6024 Output "movw" if available.
6025 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
6026 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
6027 (asm_output_section_name): Add blanks for consistent output.
6028 (encode_section_info): Set TREE_READONLY for progmem data to
6029 avoid gas warnings about changed section attributes.
6030 (avr_hard_regno_mode_ok): Force non-QImode data to start in
6031 even numbered registers on devices with "movw".
6032 * config/avr/avr.h (MASK_*): Define bits for target_flags.
6033 (TARGET_SWITCHES): Mark help strings for translation.
6034 Add new -mpack-args and -menhanced switches.
6035 (TARGET_OPTIONS): Mark help strings for translation.
6036 (progmem_section): Add section attributes.
6037 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
6038 Output "movw" if available.
6039 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
6041 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
6042 call convention (arguments aligned on even registers).
6043 (_cleanup, _exit): Make weak symbols libc can override.
6045 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6047 * fp-bit.h: New file.
6049 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
6050 Comment #endif statements.
6051 (__thenan_sf, __thenan_df): Add missing braces around initializer.
6053 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
6055 * gcse.c (compute_pre_data): Compute ae_kill using other local
6056 properties instead of calling compute_ae_kill.
6058 * alias.c (init_alias_analysis): Do not call
6059 prologue_epilogue_contains until after reload has completed.
6061 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
6063 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
6064 (genrtl_finish_compound_stmt): Likewise.
6065 (genrtl_compound_stmt): Change to return void.
6067 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
6068 move code from here to ...
6069 (genrtl_compound_stmt): ... here.
6070 (genrtl_finish_compound_stmt): Remove.
6071 (expand_stmt): Add comment.
6073 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
6075 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
6078 2000-07-02 Jakub Jelinek <jakub@redhat.com>
6080 * cpplib.h (struct cpp_reader): New field include_depth.
6081 (struct cpp_printer): Rename last_bsd to last_id.
6082 * cppfiles.c (read_include_file): Bump include_depth.
6083 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
6084 (output_line_command): Output correct #line if a header
6085 is including itself and is not protected against multiple inclusion.
6086 Use include_depth instead of buffer_stack_depth, last_id instead of
6088 * cppinit.c (cpp_start_read): Initialize last_id instead of
6091 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
6093 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
6094 (c-semantics.o): New target.
6096 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
6097 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
6098 (genrtl_clear_out_block): Likewise.
6099 (genrtl_goto_stmt): Likewise.
6100 (genrtl_expr_stmt): Likewise.
6101 (genrtl_decl_stmt): Likewise.
6102 (genrtl_if_stmt): Likewise.
6103 (genrtl_while_stmt): Likewise.
6104 (genrtl_do_stmt): Likewise.
6105 (genrtl_return_stmt): Likewise.
6106 (genrtl_for_stmt): Likewise.
6107 (genrtl_break_stmt): Likewise.
6108 (genrtl_continue_stmt): Likewise.
6109 (genrtl_scope_stmt): Likewise.
6110 (genrtl_switch_stmt): Likewise.
6111 (genrtl_case_label): Likewise.
6112 (genrtl_begin_compound_stmt): Likewise.
6113 (gerntl_finish_compound_stmt): Likewise.
6114 (genrtl_compound_stmt): Likewise.
6115 (genrtl_asm_stmt): Likewise.
6116 (genrtl_decl_cleanup): Likewise.
6117 (DECL_ANON_UNION_ELEMS): Likewise.
6118 (emit_local_var): Likewise.
6119 (make_rtl_for_local_static): Likewise.
6120 (expand_cond): Likewise.
6121 (expand_stmt): Likewise.
6122 (c_expand_return): Likewise.
6123 (c_expand_start_case): Likewise.
6124 (do_case): Likewise.
6125 (COMPOUND_STMT_NO_SCOPE): Likewise.
6126 (c_expand_asm_operands): Likewise.
6127 (NEW_FOR_SCOPE_P): New macro.
6128 (expand_expr_stmt_fn): New type.
6130 (set_current_function_name_declared): Likewise.
6131 (current_function_name_declared): Likewise.
6132 (lang_expand_stmt): Likewise.
6133 (stmts_are_full_exprs_p): Likewise.
6134 (anon_aggr_type_p): Likewise.
6135 (lang_expand_expr_stmt): Likewise.
6136 (build_case_label): Likewise.
6138 * c-decl.c (lang_expand_expr_stmt): Initialize.
6139 (stmts_are_full_exprs_p): Define.
6140 (current_function_name_declared): Likewise.
6141 (do_case): Likewise.
6142 (lang_expand_stmt): Likewise.
6143 (set_current_function_name_declared): Likewise.
6144 (anon_aggr_type_p): Likewise.
6146 * c-semantics.c: New file.
6147 (expand_cond): Moved from cp/semantics.c.
6148 (genrtl_do_pushlevel): Likewise.
6149 (genrtl_clear_out_block): Likewise.
6150 (genrtl_goto_stmt): Likewise.
6151 (genrtl_expr_stmt): Likewise.
6152 (genrtl_decl_stmt): Likewise.
6153 (genrtl_if_stmt): Likewise.
6154 (genrtl_while_stmt): Likewise.
6155 (genrtl_do_stmt): Likewise.
6156 (genrtl_return_stmt): Likewise.
6157 (genrtl_for_stmt): Likewise.
6158 (genrtl_break_stmt): Likewise.
6159 (genrtl_continue_stmt): Likewise.
6160 (genrtl_scope_stmt): Likewise.
6161 (genrtl_switch_stmt): Likewise.
6162 (genrtl_case_label): Likewise.
6163 (genrtl_begin_compound_stmt): Likewise.
6164 (genrtl_finish_compound_stmt): Likewise.
6165 (genrtl_compound_stmt): Likewise.
6166 (genrtl_asm_stmt): Likewise.
6167 (genrtl_decl_cleanup): Likewise.
6168 (make_rtl_for_local_static): Moved from cp/decl.c.
6169 (emit_local_var): Likewise.
6170 (expand_stmt): Define.
6172 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
6173 (c_expand_return): Likewise.
6174 (c_expand_start_case): Likewise.
6176 2000-07-01 Richard Henderson <rth@cygnus.com>
6178 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
6179 with the low 13 bits set.
6180 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
6181 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
6182 of the low 13 bits into a CONST plus an adddi3.
6183 (load_symptr): Set RTX_UNCHANGING_P.
6185 See ChangeLog.3 for earlier changes.