1 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
4 UNALIGNED_SHORT_ASM_OP): Define.
5 * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
6 UNALIGNED_SHORT_ASM_OP): Undef.
8 Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
10 * i386.md (float_truncate splitter, and to mov splitters): Add
11 reload_completed; fix operand predicate.
13 * haifa-sched.c (sched_init): Do not split insns.
14 * toplev.c (rest_of_compilation): Call split_all_insns before
15 sched1 pass; simplify condition of post-reload splitter;
16 call split_all_insn before sched2 pass.
18 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
20 * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
21 (set_message_prefixing_rule): Adjust prototype.
22 * diagnostic.c (current_prefixing_rule): Adjust type.
24 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
26 * defaults.h: Default escape sequences to ASCII.
27 * config/i370/i370.h: Adjust for ASCII default.
28 * config/1750a/1750a.h: Remove escape sequence definitions.
29 * config/a29k/a29k.h: Similarly.
30 * config/alpha/alpha.h: Similarly.
31 * config/arc/arc.h: Similarly.
32 * config/arm/arm.h: Similarly.
33 * config/avr/avr.h: Similarly.
34 * config/c4x/c4x.h: Similarly.
35 * config/clipper/clipper.h: Similarly.
36 * config/convex/convex.h: Similarly.
37 * config/d30v/d30v.h: Similarly.
38 * config/dsp16xx/dsp16xx.h: Similarly.
39 * config/elxsi/elxsi.h: Similarly.
40 * config/fr30/fr30.h: Similarly.
41 * config/h8300/h8300.h: Similarly.
42 * config/i386/i386.h: Similarly.
43 * config/i860/i860.h: Similarly.
44 * config/i960/i960.h: Similarly.
45 * config/ia64/ia64.h: Similarly.
46 * config/m32r/m32r.h: Similarly.
47 * config/m68hc11/m68hc11.h: Similarly.
48 * config/m68k/m68k.h: Similarly.
49 * config/m88k/m88k.h: Similarly.
50 * config/mcore/mcore.h: Similarly.
51 * config/mips/mips.h: Similarly.
52 * config/mn10200/mn10200.h: Similarly.
53 * config/mn10300/mn10300.h: Similarly.
54 * config/ns32k/ns32k.h: Similarly.
55 * config/pa/pa.h: Similarly.
56 * config/pdp11/pdp11.h: Similarly.
57 * config/pj/pj.h: Similarly.
58 * config/romp/romp.h: Similarly.
59 * config/rs6000/rs6000.h: Similarly.
60 * config/sh/sh.h: Similarly.
61 * config/sparc/sparc.h: Similarly.
62 * config/v850/v850.h: Similarly.
63 * config/vax/vax.h: Similarly.
64 * config/we32k/we32k.h: Similarly.
65 * doc/tm.texi: Update documentation.
67 2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
69 * diagnostic.c (digit_buffer): Remove as global. Move to...
70 * diagnostic.h (struct output_buffer): ... here.
71 * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
73 2001-06-25 Steve Ellcey <sje@cup.hp.com>
75 * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
76 Define tmake_file to include ia64/t-hpux.
77 * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
78 testing to see if it is defined.
79 * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
81 * config/ia64/hpux_longdouble.h: New.
82 * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
83 handling of long doubles.
84 (ia64_function_arg, ia64_function_value): Add checks for TFmode
85 and INTEL_EXTENDED_IEEE_FORMAT.
86 * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
87 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
88 TFmode and INTEL_EXTENDED_IEEE_FORMAT.
89 * config/ia64/ia64.md (all TFmode patterns): Test
90 INTEL_EXTENDED_IEEE_FORMAT in condition.
91 (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
92 * config/ia64/quadlib.c: New.
93 * config/ia64/t-hpux: New.
94 * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
96 2001-06-25 Jim Wilson <wilson@redhat.com>
98 * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
99 * config/i960/t-vxworks960: Likewise.
101 2001-06-25 Dale Johannesen <dalej@apple.com>
103 * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
106 Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
108 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
110 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
112 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
113 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
114 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
115 the use of "GCC" and related terms.
116 * doc/gcc.1, doc/gcov.1: Regenerate.
118 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
120 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
121 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
124 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
126 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
128 2001-06-24 Richard Henderson <rth@redhat.com>
130 * builtins.c (expand_builtin_expect_jump): Disable if the
131 expression can't be re-evaluated.
133 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
135 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
136 handlers examine register r0-r7, for other interrupt handlers
137 examine r0-r12. If the interrupt handler is not a leaf function
138 save all call clobbered registers.
139 (arm_output_epilogue): If the prologue has pushed the IP register,
141 (Arm_expand_prologue): For interrupt functions that need the frame
142 pointer, push the IP register before it is corrupted.
144 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
145 about the use of signed and unsigned quantities in a conditional.
147 2001-06-23 Richard Henderson <rth@redhat.com>
149 * config/alpha/crtfastmath.c: New file.
150 * config/alpha/t-crtfm: New file.
151 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
152 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
153 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
154 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
155 do not set extra_parts here.
157 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
159 * doc/install-old.texi: Remove more documentation of configure
161 * doc/install.texi: Add it here.
163 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
165 * i386-protos.h (emit_i387_cw_initialization): Declare.
166 * i386.md (movsi_insv_1): Remove '*'.
167 (fix_trunc?f?i2): Revamp to use control word parameters.
168 (fix_trunc?i_1): Likewise; update splitters.
169 (fix splitter): Remove.
170 * i386.c (MAX_386_STACK_LOCALS): set to 3.
171 (emit_i387_cw_initialization): New function.
172 (output_fix_trunc): Do not initialize control word;
173 kill dead code; simplify.
175 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
177 * cppmacro.c (make_string_token): Avoid warning.
178 (cpp_macro_definition): Prepend the macro name. Update
180 * cppmain.c (cb_define, dump_macro): Update for changes
181 to cpp_macro_definition.
183 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
185 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
187 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
189 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
190 try_pre_increment_1): compute REG_FREQ using bb->frequency.
192 * regclass.c (loop_cost): Kill.
193 (frequency): New global variable.
194 (record_operand_costs): Replace loop_cost by frequency.
195 (scan_one_insn): Likewise.
196 (regclass): Likewise; set frequency according to bb->frequency.
198 * flow.c (split_edge): Set frequency.
200 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
202 * predict.c (block_info_def): Add nvisited.
203 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
206 * flow.c (dump_edge_info): Dump the probability of edge.
207 (combine_predictions_for_insn): Dump the basic block.
209 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
211 * doc/gcc.texi: Update documentation of source files of C
214 2001-06-22 Richard Henderson <rth@redhat.com>
216 * doc/invoke.texi (-funsafe-math-optimizations): Document its
217 possible effects at link time.
219 2001-06-22 Diego Novillo <dnovillo@redhat.com>
221 * basic-block.h (dump_edge_info): Declare.
222 (clear_edges): Declare.
223 (mark_critical_edges): Declare.
224 * flow.c (dump_edge_info): Remove static declaration.
225 (clear_edges): Ditto.
226 (mark_critical_edges): Ditto.
227 (free_basic_block_vars): Only clear edges and free basic block
228 array if basic_block_info is not NULL.
229 * ssa.c (compute_dominance_frontiers): Remove static declaration.
230 * ssa.h (compute_dominance_frontiers): Declare.
232 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
234 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
235 instead of const1_rtx for true case.
237 2001-06-22 David Mosberger <davidm@hpl.hp.com>
239 * config/ia64/crtfastmath.c: New file.
240 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
241 * config/ia64/linux.h (ENDFILE_SPEC): New.
243 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
245 * config/h8300/h8300.c (asm_file_start): Remove reference to
248 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
250 * c-common.c (verify_tree): Check for x being NULL.
251 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
255 2001-06-22 DJ Delorie <dj@redhat.com>
257 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
258 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
259 (arm_return_addr): Use get_hard_reg_initial_val et al.
260 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
261 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
262 (d30v_return_addr): Use get_hard_reg_initial_val et al.
263 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
264 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
266 (rs6000_mark_machine_status): Remove.
267 (rs6000_return_addr): Use get_hard_reg_initial_val.
268 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
269 * config/v850/v850.h (INIT_EXPANDERS): Delete.
270 * config/v850/v850.c (struct machine_function): Delete.
271 (v850_init_machine_status): Delete.
272 (v850_mark_machine_status): Delete.
273 (v850_free_machine_status): Delete.
274 (v850_return_addr): Use get_hard_reg_initial_val.
275 (v850_init_expanders): Delete.
277 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
279 * predict.c (estimate_bb_frequencies): Do not handle conditional
280 jumps jumping to fallthru basic block as conditional jumps.
282 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
284 * regs.h (struct reg_info_def): Add freq field.
285 (REG_N_REFS): Update comment.
287 * regclass.c (scan_one_insn): Update REG_FREQ.
288 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
289 (attempt_auto_inc): Likewise.
290 (mark_used_reg): Likewise.
291 (try_pre_increment_1): Likewise.
292 * local-alloc.c (struct qty): Add freq field.
293 (alloc_qty): Set freq.
294 (update_equiv_regs): Set REG_FREQ.
295 (QTY_CMP_PRI): Use freq.
296 (combine_regs): Update qty->freq.
297 * global.c (struct allocno): Update comment for n_refs;
299 (local_reg_freq): New array.
300 (global_alloc): Update freq field;
301 allocate and initialize local_reg_freq.
302 (allocno_compare): Use freq field.
303 (find_reg): Likewise.
304 * reload1.c (count_pseudo): Use freq isntead of n_refs.
305 (count_spilled_pseudo): Likewise.
307 * tm.texi (GCOV_TYPE_SIZE): Document.
308 * basic-block.h (gcov_type): Define.
309 (struct edge_def): Use gcov_type for count field.
310 (struct basic_block_def): Likewise.
311 * defaults.h (GCOV_TYPE_SIZE): Define.
312 * final.c (end_final): Use GCOV_TYPE_SIZE.
313 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
314 using HOST_WIDEST_INT_PRINT_DEC.
315 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
316 __write_gcov_type): New.
317 (store_long): Remove.
318 * gcov.c (gcov_type): Set default.
319 (struct adj_list): Use gcov_type for arc_count.
320 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
321 (create_program_flow_graph): Read arc_count properly.
322 (solve_program_flow_graph): 'total' is gcov_type.
323 (output_data): Line_counts is gcov_type, print it properly.
324 * libgcc2.c (struct bb): Counts is gcov_type.
325 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
326 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
327 (GCOV_TYPE_SIZE): Define.
328 (struct bb_info): succ_count and pred_count is gcov_type.
329 (compute_branch_probabilities): Use __read_gcov_type,
330 print read edges to the dump file.
331 (total): Is gcov_type.
332 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
334 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
336 * optabs.c (emit_libcall_block): When using non-call exceptions,
337 don't mark libcalls never throwing.
339 2001-06-21 Stan Shebs <shebs@apple.com>
341 * objc/objc-act.c (hash_init): Use xcalloc.
343 2001-06-21 Richard Henderson <rth@redhat.com>
345 * flow.c (entry_exit_blocks): Initialize frequency.
346 (split_block): Copy it.
347 (dump_flow_info): Dump it.
349 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
351 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
352 from machine-depedent_reorg for purposes of alignment supression
353 when no delay slot insn has been added.
355 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
357 * cppmacro.c (make_string_token): Null terminate.
359 2001-06-21 DJ Delorie <dj@redhat.com>
361 * config/alpha/alpha.h (struct machine_function): Remove.
362 * config/alpha/alpha.c (integrate.h): Include.
363 (override_options): Don't set up machine_status hooks.
364 (alpha_init_machine_status): Remove.
365 (alpha_mark_machine_status): Remove.
366 (alpha_free_machine_status): Remove.
367 (alpha_return_addr): Use get_hard_reg_initial_val.
368 (alpha_gp_save_rtx): Likewise.
369 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
371 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
373 * config/sh/sh.md (interrupt_function): Use
374 current_function_interrupt.
375 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
376 an interrupt function.
378 * config/sh/sh.h (current_function_interrupt): Define extern.
380 * config/sh/sh.c (current_function_interrupt): New global.
381 (sh_expand_prologue): Set current_function_interrupt.
383 2001-06-21 Phil Edwards <pme@sources.redhat.com>
385 * doc/install.texi: Add 'c' to list of --enable-languages choices.
387 2001-06-21 DJ Delorie <dj@redhat.com>
389 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
391 * integrate.c (ggc.h): Include.
392 (initial_value_pair, initial_value_struct,
393 setup_initial_hard_reg_value_integration): Add prototypes.
394 (expand_inline_function): Call
395 setup_initial_hard_reg_value_integration.
396 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
397 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
398 to keep track of values present at the start of a function.
399 (mark_hard_reg_initial_vals): New, for gc.
400 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
401 mappings for initial values.
402 (emit_initial_value_sets): New. Emits code to set initial value
404 * integrate.h: Add prototypes for new functions.
405 * function.h (struct function): Add hard_reg_initial_vals field.
406 * function.c (integrate.h): Include.
407 (mark_function_status): Call
408 mark_hard_reg_initial_vals.
409 * toplev.c (integrate.h): Include.
410 (rest_of_compilation): Call emit_initial_value_sets.
412 2001-06-21 Stan Shebs <shebs@apple.com>
414 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
415 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
416 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
417 everywhere instead of "Objective C".
419 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
421 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
422 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
423 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
424 "back end" as nouns and "front-end" and "back-end" as adjectives.
426 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
428 * predict.c (estimate_probability): Fix loop bounds.
430 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
432 * toplev.c (rest_of_compilation): Run mark_constant_function
435 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
437 * predict.c (estimate_loops_at_level, propagate_freq
438 estimate_bb_frequencies, count_to_freqs): New functions.
439 (estimate_probability): Call estimate_bb_frequencies.
440 * basic-block.h (basic_block_def): Add field "freq".
441 (BB_FREQ_MAX): New constant.
443 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
445 * sh.c (barrier_align): Don't ask for alignment when seeing a
446 branch-around-a-jump from machine_dependent_reorg.
448 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
450 * ssa.c (rename_block): Update parameter to remove_phi_alternative
451 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
452 re-running life analysis.
454 2001-06-20 Stan Shebs <shebs@apple.com>
456 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
457 also use memset to clear the hash tables.
458 (hash_enter): Assume xmalloc always succeeds.
459 (hash_add_attr): Ditto.
460 (continue_class): Ditto.
462 2001-06-20 Michael Meissner <meissner@redhat.com>
464 * builtins.c (predict.h): Include.
465 (expand_builtin_expect): Update comment.
466 (expand_builtin_expect_jump): New function to expand
467 __builtin_expect inside of a conditional jump expansion.
469 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
470 __builtin_expect (<test>, 1).
472 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
474 * rtl.h (expand_builtin_expect_jump): Add prototype.
476 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
478 * doc/rtl.texi (Machine Modes): Correct description of
479 floating-point modes on machines with non-8-bit bytes.
481 2001-06-19 Bernd Schmidt <bernds@redhat.com>
483 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
484 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
487 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
489 * ssa.c (remove_phi_alternative): Remove declaration. No longer
490 static. Second argument is a pointer to a basic block structure,
491 not a basic block index.
492 (convert_to_ssa): Do not remove dead code.
493 (convert_from_ssa): Do not remove dead code to create death notes.
494 * ssa.h (remove_phi_alternative): Declare.
496 * flow.c (delete_unreachable_blocks): Fix patch error in
497 previous change (call to find_unreachable_blocks was lost).
499 * ssa.c (ssa_uses): Remove definition.
500 (apply_delayed_renames): Don't grow ssa_uses.
501 (rename_block): Remove comment related to ssa_uses.
502 (rename_registers): Do not initialize ssa_uses.
503 (convert_from_ssa): Do not free ssa_uses.
505 * ssa-dce.c: Renamed from dce.c.
506 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
507 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
510 2001-06-19 Eric Christopher <echristo@redhat.com>
512 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
513 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
514 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
516 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
518 * sh.c (output_branch): Delete bogus code.
520 * sh.c (initial_elimination_offset):
521 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
523 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
525 * flow.c (find_unreachable_blocks): New function.
526 (delete_unreachable_blocks): Use find_unreachable_blocks.
527 * basic-block.h (find_unreachable_blocks): Declare.
529 * dce.c (eliminate_dead_code): Fix formatting glitch.
531 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
533 * c-common.h (RETURN_NULLIFIED_P): New macro.
534 * c-semantics.c (genrtl_return_stmt): Check it.
536 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
537 (emit_block_move): Likewise.
539 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
541 * unroll.c: Include predict.h.
542 (unroll_loop): Drop prediction notes on preconditioning.
543 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
544 New; add comments on the others.
545 * Makefile.in: (unroll.o): Add dependancy on predict.h.
546 * loop.c (strength_reduce): Fix branch prediction.
548 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
550 * stmt.c (emit_case_nodes): Optimize test whether index is in given
553 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
555 * predict.c (estimate_probability): Do not bail out early
556 when note is present.
557 (combine_predictions_for_insn): Fix note removal code.
559 2001-06-18 Ben Elliston <bje@redhat.com>
561 * except.c (resolve_fixup_regions): Initialise "cleanup".
563 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
565 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
567 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
569 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
570 use put_var_into_stack.
572 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
574 * gccspec.c (lang_specific_driver): If compiling ObjC, add
575 -shared-libgcc when necessary.
576 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
578 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
580 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
581 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
582 bitmap_last_set_bit. All for compatibility with sbitmap's.
584 *bitmap.c (bitmap_zero): New function.
585 (bitmap_union_of_diffs): New function.
586 (bitmap_first_set_bit): New function.
587 (bitmap_last_set_bit): New function.
589 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
591 * cpp.texi, invoke.texi: Update.
592 * cpp.1, gcc.1: Regenerate.
594 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
596 * i386.md (minsf): Fix splitter. (PR fortran/3191)
598 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
600 * doc/cpp.texi: Update.
601 * doc/cpp.1: Regenerate.
603 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
605 * doc/install.texi: Use correct markup hints.
607 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
609 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
611 * explow.c (expr_size): If DECL and size specified, use it.
613 2001-06-15 Zack Weinberg <zackw@stanford.edu>
615 * doc/cpp.texi: Formatting corrections.
616 Correct buggy example of use of __GNUC__ etc.
617 Clarify $ in identifiers.
618 * doc/cpp.1: Regenerate.
620 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
622 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
624 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
626 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
628 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
629 Added Tru64 UNIX V5.1 bootstrap hints.
630 (Specific, alpha*-*-osf*): Removed old section, obsolete.
632 2001-06-15 Andreas Jaeger <aj@suse.de>
634 * doc/install.texi (Specific): Mention that glibc cannot be
635 compiled with GCC 3.0.
637 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
639 * combine.c (nonzero_bits): Don't optimize away division by
642 2001-06-15 Zack Weinberg <zackw@stanford.edu>
644 * doc/cpp.texi: Revised and brought up to date.
645 * doc/cpp.1: Regenerate.
647 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
649 * doc/install.texi: Update --enable-threads to match reality.
651 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
653 * doc/install.texi: Update for C4x.
654 * README.C4X: Remove.
656 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
658 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
659 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
660 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
661 Consistently use "built-in" and "bit-field". Minor logical markup
663 * doc/gcc.1: Regenerate.
665 2001-06-14 Richard Henderson <rth@redhat.com>
667 * config/mips/mips.md (exception_receiver): New.
669 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
671 * doc/gcc.texi: Update passes documentation to be more in tune
674 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
676 * i386.c (ix86_expand_prologue): Fix merging conflict.
678 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
680 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
681 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
682 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
683 logical markup. Use TeX quotes and dashes. Use @dots{} and
684 @minus{}. Avoid spaces inside @var. Update last modification
686 * doc/gcc.1, doc/gcov.1: Regenerate.
688 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
690 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
691 x86_epilogue_using_move): New global variables.
692 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
693 (ix86_emit_save_regs_using_mov): New static function.
694 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
695 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
696 MASK_MIX_SSE_I387): Renumber.
697 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
698 (x86_accumulate_outgoing_args, x86_prologue_using_move,
699 x86_epilogue_using_move): Declare.
700 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
702 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
704 * inclhack.def (hpux10_cpp_pow_inline): New hack.
706 2001-06-13 Richard Henderson <rth@redhat.com>
708 * ifcvt.c (dead_or_predicable): Fix return value last patch.
710 2001-06-13 Mark Mitchell <mark@codesourcery.com>
714 2001-06-13 Richard Henderson <rth@redhat.com>
716 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
717 (cond_exec_process_if_block, dead_or_predicable): Likewise.
719 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
721 * mips-tfile.c (copy_object): Always pass indexNil for symbol
724 2001-06-13 Kazu Hirata <kazu@hxi.com>
726 * config/h8300/h8300.h (OK_FOR_T): Remove.
727 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
728 * config/h8300/h8300.md: Remove alternatives involving inc and dec
729 in the helper patterns for addhi3 and addsi3.
731 2001-06-13 Phil Edwards <pme@sources.redhat.com>
733 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
735 2001-06-13 Zack Weinberg <zackw@stanford.edu>
737 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
738 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
740 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
741 config/alpha/t-osf4, config/mips/t-iris6: Extract all
742 references to @shlib_map_file@, @shlib_objs@, or
743 @shlib_base_name@ to Makefile variables.
744 Bump soname version of libgcc to 1.
746 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
748 * doc/install.texi: Use more logical markup. Include @node
749 commands in the source when generating any non-HTML.
751 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
753 * README: Remove. Some of the contents moved to ../README.
755 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
757 * doc/install.texi (--enable-shared): List package names
760 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
762 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
763 (*-*-solaris*): Document problem in /bin/sh that affects
764 configuring libraries.
765 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
766 (*-sun-solaris2.8): Document linker problem that explains why
767 libjava is disabled by default.
769 2001-06-09 Mark Mitchell <mark@codesourcery.com>
772 * toplev.c (rest_of_compilation): Remove dead code before
775 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
778 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
779 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
780 * configure: Rebuilt.
782 2001-06-12 Jim Wilson <wilson@redhat.com>
784 * loop.c (strength_reduce): Move bl->all_reduced set before
785 check_ext_dependant_givs call.
786 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
788 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
790 * doc/extend.texi (Function Attributes): Document SH's sp_switch
793 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
795 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
798 2001-06-12 Richard Henderson <rth@redhat.com>
800 * config/i386/i386.c (ix86_expand_prologue): Always use
801 gen_pro_epilogue_adjust_stack; update arguments.
802 (ix86_expand_epilogue): Likewise.
803 (ix86_emit_epilogue_esp_adjustment): Remove.
804 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
805 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
806 clobber of scratch memory instead of a modification of EBP as the
807 barrier. Update all peepholes to match.
809 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
811 * doc/gcc.texi: Change the font used for @def... commands to a
813 * doc/extend.texi: Use more logical markup. Use "built-in"
814 instead of "builtin". Use @deftypefn to mark up built-in
815 functions; specify their types in the @deftypefn and not in the
816 descriptive text. Use TeX quotes and dashes. Add more index
819 2001-06-12 lars brinkhoff <lars@nocrew.org>
821 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
822 (DIR_SEPARATOR_2): Likewise.
824 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
826 * doc/install.texi (--exec-prefix, --bindir, --libdir,
827 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
829 (--enable-cpp): Change to document --disable-cpp instead; update
830 to reflect current default.
831 (--without-fast-fixincludes): Remove documentation.
832 (Final install): Document installation directories in more
833 detail. Document use of make dvi.
835 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
837 * recog.c (validate_replace_rtx_1): Fix previous patch.
839 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
841 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
843 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
845 * simplify-rtx.c (simplify_subreg): Allow volatile memory
846 to be subregged in case we don't have move instruction.
848 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
850 * loop.c: Include predict.h
851 (strength_reduce): Drop branch prediction note in case
852 number of iterations is known.
853 * predict.def (PRED_LOOP_ITERATIONS): new.
854 * Makefile.in (loop.o): Add dependancy on predict.h
856 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
860 * c-typeck.c (c_start_case): Likewise.
862 2001-06-12 Mark Mitchell <mark@codesourcery.com>
864 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
865 in a structure at a variable address.
867 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
869 * doc/gcov.texi: Use more logical markup.
871 2001-06-11 Mark Mitchell <mark@codesourcery.com>
873 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
874 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
875 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
878 2001-06-11 Stan Shebs <shebs@apple.com>
880 * darwin.h (ASM_FILE_END): Remove decl of language_string.
882 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
884 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
885 as an early clobber to make sure it is not used by reload in
888 2001-06-11 Mark Mitchell <mark@codesourcery.com>
890 * doc/c-tree.texi: Update information about flag_honor_std.
891 * doc/install.texi: Note that binutils is required on HPUX 11.
892 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
895 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
896 variable-sized types.
898 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
900 * doc/md.texi: Use TeX dashes and quotes.
902 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
904 * doc/rtl.texi: Reference manual chapter about trees.
906 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
908 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
909 (WINT_TYPE): Override.
910 (WINT_TYPE_SIZE): Likewise.
911 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
913 * config/sparc/sol2.h (WINT_TYPE): Define.
914 (WINT_TYPE_SIZE): Likewise.
916 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
917 (WINT_TYPE): Override.
918 (WINT_TYPE_SIZE): Likewise.
919 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
920 (CPP_ARCH64_SPEC): Likewise.
922 2001-06-11 Richard Henderson <rth@redhat.com>
924 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
925 with alias attribute.
927 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
928 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
930 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
932 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
934 2001-06-11 Stan Shebs <shebs@apple.com>
936 * darwin.c (darwin_encode_section_info): Rewrite to simplify
937 and fix coding mistakes.
939 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
941 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
942 return string from m32r_output_block_move.
943 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
945 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
947 (ROUND_ADVANCE): Remove signed/unsigned conflict.
948 * config/m32r/m32r.c: Declare prototypes for static functions.
949 (move_src_operand): Replace INT32_P with UINT32_P.
950 (function_arg_partial_nregs): Fixed signed/unsigned conflict
951 in initialisation of 'size'.
952 (m32r_sched_reord): Remove redundant declarations of 'code'.
953 (m32r_output_block_move): Change to a void function.
954 (m32r_encode_section_info): Cast return of
955 TREE_STRING_POINTER to avoid compile time warning.
957 2001-06-11 Richard Henderson <rth@redhat.com>
959 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
960 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
961 (struct machine_function): Add gp_save_rtx.
962 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
963 (alpha_gp_save_rtx): New.
964 * config/alpha/alpha-protos.h: Declare it.
965 * config/alpha/alpha.md (exception_receiver): Make an expander.
966 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
968 2001-06-11 Richard Henderson <rth@redhat.com>
970 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
972 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
974 * configure.in: Align --help messages.
975 Remove trailing full stops.
976 Consistently use lower case.
977 Fix DWARF 2 spelling.
978 * configure: Rebuilt.
980 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
982 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
983 variants for .cpp/.cp/.c++ files.
984 Move definition of __LANGUAGE_C_PLUS_PLUS ...
985 (CPLUSPLUS_CPP_SPEC): ... here.
987 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
989 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
991 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
993 * c-decl.c (store_parm_decls): When comparing types in an
994 old-style function declaration with those from a previous
995 prototype, compare the unqualified versions of parameter types.
998 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1000 * doc/objc.texi: Use more logical markup. Use TeX dashes.
1002 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1004 * doc/c-tree.texi: Use more logical markup.
1006 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1008 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1010 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
1012 * loop.c (scan_loop): Do not combine asm statements.
1014 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1016 * simplify-rtx.c (simplify_subreg): Fix offset calculation
1017 for complex values within a CONCAT.
1019 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1021 * doc/install.texi: Update details of what components are included
1022 in the GCC distribution. Update default directory for g++
1023 includes. Update documentation relating to old libio. Adjust
1024 documentation on DejaGnu environment variables. Remove
1025 documentation of --enable-cpplib.
1027 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1029 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1032 2001-06-10 Richard Henderson <rth@redhat.com>
1034 * ifcvt.c (life_data_ok): New.
1035 (merge_if_block): Use it to determine whether to update
1037 (if_convert): Set it.
1039 2001-06-10 Richard Henderson <rth@redhat.com>
1041 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1043 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1045 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1046 (SH Options): Document -mieee.
1047 * doc/install.texi (Final install): Remove obsolete information
1048 about installing cross compilers.
1049 * doc/gcc.1: Rebuilt.
1051 2001-06-10 Richard Henderson <rth@redhat.com>
1053 * config/alpha/alpha.c (override_options): Set align_loops,
1054 align_jumps, and align_functions.
1055 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1056 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1058 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1060 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1061 are one and two words in size.
1063 2001-06-10 Richard Henderson <rth@redhat.com>
1065 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1066 (Code Generation Options): Document -fnon-call-exceptions.
1068 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1070 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1072 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1074 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1076 2001-06-10 Mark Mitchell <mark@codesourcery.com>
1077 Gabriel Dos Reis <gdr@codesourcery.com>
1079 * Makefile.in (c-parse.o): Depend on diagnostic.h
1080 (dwarf2out.o): Likewise.
1082 * dwarf2out.c: #include diagnostic.h
1084 * toplev.h (warningcount, errorcount, sorrycount): Remove
1087 * toplev.c (warningcount, errorcount, sorrycount): Remove
1090 * diagnostic.h (struct output_buffer): Reorder fields.
1091 (diagnostic_kind_count): New macro.
1092 (errorcount, warningcount, sorrycount): Define as macros.
1093 (diagnostic_report_warnings_p): New macro.
1094 (output_state): Add diagnostic_count field.
1096 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1097 Remove tentative declaration.
1098 (count_error): Use diagnostic_report_warnings_p.
1100 * c-parse.in: #include diagnostic.h
1102 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1104 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1105 prefer a memory for operand 1.
1106 ("*addsi3"): Fix constraints, the '!' was too strong.
1107 ("*addsi3_split"): Accept soft register and split accordingly.
1109 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1111 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1112 Move definition in the RTX_CODE section.
1114 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1116 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1117 address as relative to the argument pointer.
1119 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1121 * predict.def (PRED_OPCODE): Place before call and error_return.
1123 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1125 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1126 * predict.c (estimate_probability): Calculate dominance
1127 information; improve detection of NORETURN heuristics;
1128 add call/error_return heuiristics; tweak comparison heuristics
1131 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1133 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1134 (Debugging Options): Document -print-multi-directory and
1136 * doc/gcc.1: Rebuilt.
1138 * toplev.c (independent_decode_option): Require `=' between
1139 `-aux-info' and filename in the same argument.
1140 * gcc.c: Don't pass -aux-info=filename twice.
1142 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1144 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1145 an array element with the known initializing value if it has
1148 * toplev.c (rest_of_compilation): Remove dead code before
1151 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1153 * cppinit.c (print_help): Document -fpreprocessed.
1154 * invoke.texi: Similarly.
1156 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1158 * predict.def: New file.
1159 * predict.h: New file.
1160 * predict.c: Include predict.h.
1161 (predictor_info): New structure and array.
1162 (predict_edge, predict_insn): Rewrite; make global.
1163 (predict_edge_def, predict_insn_def): New global functions.
1164 (dump_prediction, combine_predictions_for_insns): New
1166 (estimate_probability): Change calls to predict_edge
1167 to predict_edge_def and calls to predict_insn to predict_insn_def;
1168 combine probabilities.
1169 (expected_value_to_br_prob): Behave as predictor.
1170 * rtl.h (REG_BR_PRED): Update coment.
1171 (invert_br_probabilities): New.
1172 * jump.c: Include predict.h
1173 (duplicate_loop_exit_test): Drop branch prediction notes.
1174 (invert_jump): Use invert_br_probabilities.
1175 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1176 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1177 * combine.c (distribute_notes): Handle BR_PRED.
1179 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1181 * predict.c (predict_insn, predict_edge): New static functions.
1182 (estimate_probability): Revamp to use new functions;
1183 fix loop header heruistics; add loop exist heruistics
1185 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1187 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1189 2001-06-09 Peter Jakubek <pjak@snafu.de>
1191 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1193 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1195 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1196 for integer operations that don't update C bit.
1198 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1200 * gthr-posix.h (__gthread_objc_init_thread_system): If
1201 pthread_key_create fails, it's not clear what the return value is.
1202 This obvious fix makes sure it always returns -1 if a problem
1205 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1207 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1208 more index entries. Use more logical markup where appropriate.
1209 Use TeX quotes and dashes.
1211 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1213 * unwind-pe.h: Conditionally qualify references to abort with
1216 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1218 * doc/invoke.texi: Remove superfluous text.
1220 2001-06-08 Richard Henderson <rth@redhat.com>
1222 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1223 (LIB_SPEC): Mirror config/linux.h version.
1225 2001-06-08 Richard Henderson <rth@redhat.com>
1227 * except.c (get_exception_pointer, get_exception_filter): Take a
1228 struct function. Update all callers.
1229 * except.h (get_exception_pointer): Update declaration.
1230 * expr.c (expand_expr): Update get_exception_pointer call.
1231 * integrate.c (expand_inline_function): Remap the exception pointer
1232 from callee to caller.
1234 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1236 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1237 accurately reflect its cv-qualification.
1238 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1239 cv-qualifiers on function types.
1241 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1243 * basic-block.h: Improve comments.
1244 * except.c (expand_eh_region_end_allowed): Remove redundant call
1245 to do_pending_stack_adjust.
1246 * flow.c (life_analysis): Fix typo in comment.
1247 (calculate_global_regs_live): Add documentation.
1248 (mark_set_1): Likewise.
1249 (debug_regset): Likewise.
1250 * doc/rtl.texi (cond_exec): Document it.
1252 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1254 * i386.h (CONST_COSTS): set cost of constants representable in
1255 immediate fields to 0.
1257 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1259 * function.c (diddle_return_value): Kill code to determine
1260 return value before expand_function_end.
1261 (expand_function_end): Delay call to clobber_return_register
1262 after fucntion return value is computed.
1264 Re-install temporary reverted patch:
1265 * toplev.c (rest_of_compilation): Call split_all_insns
1266 before reg-stack and shorten-branches. Do shorten-branches
1268 * final.c (shorten_branches): Remove insn splitting code.
1270 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1272 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1273 options. Use @opindex to index them rather than other indexing
1274 commands. Use @var{...} instead of <...>. Avoid spaces in names
1275 inside @var. Don't use @kindex to index escape sequences in
1278 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1280 * stmt.c (current_nesting_level): New fn.
1281 * tree.h: Declare it.
1282 * c-semantics.c (genrtl_compound_stmt): Use it.
1284 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1286 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1288 * jump.c (mark_modified_reg): Allow jump threading if condition
1289 codes are represented by a hard register.
1291 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1293 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1294 for complex floats passed to unprototyped functions.
1296 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1298 * except.c (expand_eh_region_end_allowed): Call
1299 do_pending_stack_adjust as necessary.
1301 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1303 * function.c (clobber_return_register): Clobber the pseudo return
1306 * sibcall.c (skip_unreturned_value): New function.
1307 (call_ends_block_p): Use it.
1309 * recog.c (split_insn): Break out from ...
1310 (split_all_insns): ... here; do not use basic block information
1313 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1315 * simplify-rtx.c (simplify_subreg): Fix verification of
1318 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1320 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1321 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1322 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1323 (CPLUSPLUS_CPP_SPEC): ... here.
1324 Fixes PRs c++/3047, target/441.
1326 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1328 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1330 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1332 * doc/gcc.texi: Add trailing slash to URL.
1334 2001-06-07 Stan Shebs <shebs@apple.com>
1336 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1337 (REDO_SECTION_INFO_P): Ditto.
1338 (STRIP_NAME_ENCODING): Ditto.
1339 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1340 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1341 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1342 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1343 * config/darwin.c: No longer include c-tree.h.
1344 (machopic_classify_ident): Rewrite to use symbol encoding.
1345 (lookup_name_darwin): Remove.
1346 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1347 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1348 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1349 (machopic_finish): Ditto, remove test of decl.
1350 (update_non_lazy_ptrs): New function.
1351 (darwin_encode_section_info): New function.
1352 * config/darwin-protos.h: Declare it.
1353 * config/rs6000/rs6000.c (machopic_output_stub): Use
1354 STRIP_NAME_ENCODING.
1356 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1358 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1359 (DECL_SOURCE_LINE): Likewise.
1361 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1363 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1364 from config/elfos.h.
1366 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1368 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1369 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1371 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1373 * doc/contrib.texi: Add copyright notice.
1375 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1377 * doc/md.texi: Use four digit years in copyright notice.
1379 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * config.gcc: For $target_alias of athlon-*, set
1382 target_cpu_default2=5.
1384 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1386 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1387 end of last block if last real insn is a JUMP_INSN.
1389 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1393 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1395 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1396 pthread_t to objc_thread_t.
1397 (__gthread_objc_thread_id): Likewise.
1399 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1401 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1402 (ASM_OLDAS_SPEC): Likewise.
1404 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1405 (CPP_SUBTARGET_SPEC): Use it.
1406 (ASM_OLDAS_SPEC): Define.
1408 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1410 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1412 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1413 passed by reference.
1415 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1417 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1418 Document use of N_(...), and show it in examples. Note that
1419 documentation should be added to invoke.texi. Avoid an overfull
1422 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1424 * toplev.c (rest_of_compilation): Revert previous patch.
1425 * final.c (shorten_branches): Likewise.
1427 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1429 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1432 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1434 * doc/install-old.texi: Remove more obsolete documentation.
1436 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1438 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1440 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1442 * toplev.c (rest_of_compilation): Call split_all_insns
1443 before reg-stack and shorten-branches. Do shorten-branches
1445 * final.c (shorten_branches): Remove insn splitting code.
1447 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1449 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1450 * configure: Rebuilt.
1452 2001-06-07 Andreas Jaeger <aj@suse.de>
1454 * emit-rtl.c (operand_subword): Remove unused variable.
1456 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1458 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1459 if TARGET_64BIT is false.
1460 (floatdi?f_i386_only): New insn.
1461 (floatdi?f_i386): Disable for !TARGET_64BIT.
1463 * (min?f, max?f splitters): Handle case where
1464 operands are cross-matched.
1466 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1467 (MMX_REGISTER_NAMES): Kill.
1468 (PRINT_OPERAND): Fix comment.
1469 (PRINT_REG): Likewise.
1470 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1471 (print_operand): Update comment; kill 'm'.
1473 * i386.c (x86_branch_hints): New global variable
1474 (print_operand): Support outputting of branch prediction hints.
1475 * i386.md (conditional jump patterns): Add branch prediction hints
1477 * i386.h (x86_branch_hints): Declare
1478 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1479 (PRINT_OPERAND_FUNCT_VALID_P): New.
1480 * final.c (final_forward_branch_p): New function.
1482 2001-06-06 Richard Henderson <rth@redhat.com>
1484 * flow.c (mark_used_reg): Clean up looping over multiple hard
1485 registers. Do conditional life bits across multiple hard regs.
1487 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1489 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1490 deleted during reload.
1492 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1494 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1495 functions here, instead of ...
1496 * c-decl.c (c_expand_body): ... here.
1498 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1500 * config.gcc, config/sparc/bsd.h: Do not directly include
1501 sparc/sparc.h. Instead do it via tm_file.
1503 2001-06-05 Richard Henderson <rth@redhat.com>
1505 * dwarf2.h (DW_EH_PE_aligned): New.
1506 * dwarf2asm.c (eh_data_format_name): Name it.
1507 (dw2_asm_output_encoded_addr_rtx): Align for it.
1508 * dwarf2out.c (output_call_frame_info): Handle it for personality
1509 routine and LSDA pointers.
1511 * unwind-pe.h (DW_EH_PE_aligned): New.
1512 (base_of_encoded_value): Handle it.
1513 (read_encoded_value_with_base): Likewise.
1514 * unwind-dw2-fde.c (base_from_object): Likewise.
1515 (get_cie_encoding): Likewise.
1517 * config/alpha/elf.h: Remove ecoff commentary.
1518 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1520 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1522 * config.gcc, config/i386/bsd386.h: Do not directly include
1523 i386/386bsd.h. Instead do it via tm_file.
1525 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1527 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1530 2001-06-05 Pascal Obry <obry@act-europe.fr>
1532 * configure.in: Quote $enable_win32_registry in case the value has
1536 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1538 * print-rtl.c (xspaces): Remove.
1539 (print_rtx): Use printf field-width, rather than xpsaces, to
1541 * toplev.c (main): Disable sibling-call optimization if we are
1542 handling exceptions.
1544 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1546 * reload1.c (reload): Delete all USEs generated during reload.
1548 2001-06-05 scott snyder <snyder@fnal.gov>
1550 * gccbug.in: Fix typo.
1552 2001-06-05 Andreas Jaeger <aj@suse.de>
1554 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1555 parameter and return value.
1557 2001-06-04 Anthony Green <green@redhat.com>
1559 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1560 machine. This is now done in sparc.h.
1562 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1564 Correct CVS resurrection of invoke.texi.
1565 * doc/invoke.texi: Document new tree dump flags.
1567 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1569 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1570 for casting an aggregate to its own type. Fixes PR c/2735.
1572 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1574 * doc/texinfo.tex: Update to version 2001-05-24.08.
1576 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1578 * c-common.h (flag_dump_translation_unit): Remove.
1579 (enum tree_dump_index): Define.
1580 (TDF_ADDRESS, TDF_SLIM): New #defines.
1581 (dump_node_to_file): Remove.
1582 (dump_node): Make extern. Add flags.
1583 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1584 dump_switch_p): Prototype.
1585 * c-common.c (flag_dump_translation_unit): Remove.
1586 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1587 logic. Use dump_switch_p.
1588 * c-dump.h (struct dump_info): Add node and user fields.
1589 (dump_pointer): Declare.
1590 * c-dump.c (dump_node): Make extern. Add flags.
1591 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1592 (dump_new_line, dump_maybe_newline): Use them.
1593 (dump_pointer): New function.
1594 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1595 chain or function's body. Dump address, if TDF_ADDRESS set.
1596 (dump_flag): Define.
1597 (dump_node_to_file): Remove.
1598 (struct dump_file_info): New struct.
1599 (dump_files): New array.
1600 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1601 * c-lang.c (finish_file): Adjust dumping.
1602 * toplev.h (dump_base_name): Make extern.
1603 * invoke.texi: Document new flags.
1605 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1607 * c-tree.h (lang_decl): Add pending_sizes fields.
1608 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1610 (c_expand_body): Expand them.
1611 (lang_mark_tree): Mark lang_decl:pending_sizes.
1612 * function.c (expand_pending_sizes): New function, broken out
1614 (expand_function_start): ... here.
1615 * tree.h (expand_pending_sizes): Declare it.
1617 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1619 * doc/install.texi: Update FreeBSD information. Generalize
1620 and update information for alpha-based platforms using ELF.
1622 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1624 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1625 (store_parm_decls): Likewise.
1626 * c-typeck.c (convert_arguments): Likewise.
1628 2001-06-04 Richard Henderson <rth@redhat.com>
1630 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1631 optimization if current_function_calls_setjmp.
1633 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1635 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1638 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1640 * simplify-rtx.c (simplify_subreg): Fix combining of
1641 paradoxical subregs.
1643 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1645 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1646 (no_labels_between_p): Short circuit case beg==end.
1648 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1650 * rtlanal.c (operand_preference): Fix preference for objects.
1652 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1654 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1657 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1659 * combine.c (if_then_else_cond): Use simplify_subreg instead
1661 * integreate.c (sub_constants): Likewise.
1663 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1665 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1666 and use simplify_gen_subreg.
1668 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1670 * sibcall.c (skip_copy_to_return_value): recognize the situation
1671 when the called function's return value is copied into an
1672 intermediate pseudo, and then into the calling functions return
1675 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1677 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1678 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1679 in case register wasn't OK previously, accept it now; allow
1680 subregs of frame pointer if reload completed and frame pointer
1683 * combine.c (sombine_simplify_rtx): Fix comment;
1684 use subreg_lowpart_offset instead of subreg_lowpart_p
1685 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1686 * rtl.h (subreg_lowpart_parts_p): Kill.
1687 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1688 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1689 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1690 (gen_lowpart_common): Likewise.
1691 (subreg_lowpart_p): Likewise.
1692 (subreg_lowpart_parts_p): Kill.
1693 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1695 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1696 to simplify SUBREG and REG.
1697 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1699 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1702 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1704 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1706 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1707 (ARRAY_RANGE_REF): Added description.
1709 * tree.def (ARRAY_RANGE_REF): New code.
1710 * alias.c (handled_component_p, can_address_p): Handle it.
1711 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1712 * explow.c (set_mem_attributes): Likewise.
1713 * expr.c (expand_assignment, get_inner_reference): Likewise.
1714 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1715 * fold-const.c (operand_equal_p): Likewise.
1716 * tree.c (staticp, stabilize_reference): Likewise.
1717 * varasm.c (decode_addr_const): Likewise.
1719 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1721 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1722 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1724 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1726 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1727 mark_constant_pool_use before output_addr_const.
1728 (struct pool_node): New field wend.
1729 (add_constant): Note a sequence of constants that are referenced
1731 (pool_window_label, pool_window_last): New variables.
1732 (dump_table): Emit a unspec_volatile representing the end of a
1733 sequence of constants.
1734 (mark_constant_pool_use): New function.
1735 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1736 (consttable_2): Add the second operand which flags whether
1737 this consttable entry was used or not.
1738 (consttable_4, consttable_8, consttable_sf, consttable_df):
1740 (consttable_window_end): New insn.
1742 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1744 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1745 Reformat according to coding standards.
1748 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1749 (shl_and_kind): Cast wide constant.
1750 (gen_far_branch): Define as static, as in declaration.
1751 (barrier_align): Compute cache-line length as unsigned. Add
1752 parentheses in initial credit computation.
1753 (rounded_frame_size): Add parentheses.
1754 (permanent_obstack): Remove declaration. Include ggc.h for
1755 declaration of ggc_add_root_rtx().
1756 (get_free_reg): Removed declaration of unused variable reg.
1757 (legitimize_pic_address): Mark mode argument as unused.
1759 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1761 * config/sh/sh.c (output_branch): Support for insn with lenght
1762 attr 12 & 16 which represents cond branches outside +-4096 range.
1764 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1766 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1767 cache-mirroring sequence. Add nops.
1769 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1771 * doc/install-old.texi: Remove more old installation
1773 * doc/install.texi: Add relevant parts here.
1775 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1777 * doc/install.texi2html: New script.
1779 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1781 * doc/install.texi: Update AIX information again.
1783 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1785 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1786 installation documentation.
1787 * doc/install.texi: Move it to here.
1789 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1791 * doc/install.texi: Clean up Texinfo markup.
1793 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1795 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1796 to just after title page.
1798 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1800 * doc/install-old.texi: Remove documentation of some configuration
1802 * doc/install.texi: Add relevant parts of this documentation here.
1804 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1806 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1807 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1809 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1811 * i386.md (all uses of ext_register_operand): Make sure they are
1812 VOIDmode; replace all uses outside zero_extend.
1813 (and?i splitters): Use ext_register_operands.
1814 (test?i peep2): Remove ignored constraints.
1815 * i386.c (ext_register_operand): Check that operand is
1816 eighter pseudo or hard or 'Q' register.
1818 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1820 * tree.h (struct record_layout_info_s): New field unpadded_align.
1821 (set_lang_adjust_rli): New declaration.
1822 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1823 it would have if not packed, do not downgrade DECL_ALIGN.
1824 (lang_adjust_rli, set_lang_adjust_rli): New.
1825 (start_record_layout): Initialize new field unpadded_align.
1826 (debug_rli): Display it.
1827 (place_union_field, place_field): Set it.
1828 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1830 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1831 mean that; use proper names instead.
1832 Print DECL_NO_STATIC_CHAIN.
1834 * except.c (expand_builtin_frob_return_addr): Add missing call
1835 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1836 (expand_builtin_eh_return): Likewise.
1837 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1839 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1841 * doc/invoke.texi: Remove references to papers about sequence points
1842 to readings.html, refer to that page.
1844 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1846 * README: Update references to installation instructions.
1848 2001-06-01 Laurent Guerby <guerby@acm.org>
1849 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1851 * doc/install.texi: Define srcdir when sources come from CVS.
1852 Significantly improve markup. Wrap overly long lines
1854 2001-06-01 DJ Delorie <dj@redhat.com>
1856 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1857 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1858 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1859 gcov.1: Move to doc subdirectory.
1860 * install.texi: Move to doc/install-old.texi.
1861 * gcc.texi: Move to doc, refer to install-old.texi.
1862 * Makefile.in: Reflect move of docs to doc/.
1863 * f/Make-lang.in: Ditto.
1864 * java/Make-lang.in: Ditto.
1865 * doc/.cvsignore: New.
1867 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1869 * invoke.texi: use two spaces between command options, eliminate
1870 some 'overfull hboxes'
1872 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1874 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1875 (DRIVER_DEFINES): Ditto.
1877 2001-05-31 Richard Henderson <rth@redhat.com>
1879 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1880 also link against libgcc.a.
1882 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1884 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1885 * config/mips/mips.c (mips_output_ascii): New function.
1886 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1888 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1890 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1892 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1893 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1895 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1897 * install.texi (Configuration): Add html links for --with-gnu-as &
1898 --with-gnu-ld and refer to them from hppa & SCO triplets.
1899 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1900 (Specific): Reword AVR binutils recommendation.
1902 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1904 * ggc-page.c (size_lookup): Increase minimum allocation size
1906 (ggc_print_statistics): Report size of each bin in bytes, not
1907 as its order; there is no longer a direct relationship.
1909 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1911 * extend.texi: Fix formating of examples, eliminate some
1913 * gcc.texi: Eliminate some 'overfull hboxes'.
1914 * invoke.texi: Use two spaces between command options, eliminate
1915 some 'overfull hboxes'.
1917 2001-05-30 Richard Henderson <rth@redhat.com>
1919 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1921 2001-05-30 Tom Tromey <tromey@redhat.com>
1923 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1924 use it in the new association.
1926 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1927 John David Anglin <dave@hiauly1.hia.nrc.ca>
1929 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1930 to target type to allow ISO C++ compiler to accept it.
1931 * gthr-dce.h (__gthread_active_ptr): Likewise.
1932 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1934 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1936 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1937 so that we do accept comments in preprocessed input.
1939 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1941 * cpphash.c (alloc_node): Cast allocated pointer.
1943 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1945 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1947 2001-05-29 Stan Shebs <shebs@apple.com>
1949 * gcc.texi: Add links for information about Objective-C.
1951 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1953 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1954 /bin/sed fails on [^\"]).
1955 (configargs.h): Likewise.
1957 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1959 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1961 2001-05-28 Stan Shebs <shebs@apple.com>
1963 * objc/objc.gperf: Remove, no longer used.
1965 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1967 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1968 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1969 Remove trailing whitespace.
1971 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1973 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1974 became http://freeware.sgi.com/.
1976 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1978 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1981 2001-05-27 Stan Shebs <shebs@apple.com>
1983 * objc/objc-act.c: Add/fix various comments.
1984 (init_selector): Remove, no longer used.
1985 (build_msg_pool_reference): Ditto.
1986 (objc_debug): Ditto.
1988 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1990 * c-decl.c (init_decl_processing):
1991 Don't call start_identifier_warnings.
1992 * flags.h (warn_id_clash, id_clash_len): Remove.
1993 * stringpool.c: Don't include flags.h.
1994 (scan_for_clashes, do_identifier_warnings,
1995 start_identifier_warnings): Remove.
1996 * toplev.c (warn_id_clash, id_clash_len): Remove.
1997 (display_help): Don't document -Wid-clash.
1998 (decode_W_option): Print warning on -Wid-clash.
1999 * tree.h (start_identifier_warnings): Remove.
2000 * invoke.texi: Remove documentation of -Wid-clash.
2002 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2004 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
2006 2001-05-27 Bruce Korb <bkorb@gnu.org>
2008 * fixinc/check.tpl(HACK) add and use a Scheme variable
2009 (has no test text): error out if no "test_text" is defined
2010 * fixinc/fixincl.tpl: likewise
2011 (FIXIDX): make it an enumeration so we minimize diffs
2012 * fixinc/inclhack.def: re-alphabetize and add sort instructions
2013 * fixinc/fixincl.x: regenerate
2014 * fixinc/tests/base/stdio.h: test output got moved due to
2016 * README-fixinc: rewrite (mostly)
2018 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2020 * cpplib.c (run_directive): Set pfile->directive.
2022 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2024 * c-tree.texi: Reformat the manual as a single chapter now
2025 included by gcc.texi.
2026 * gcc.texi: Include c-tree.texi. Merge all indexes.
2027 * Makefile.in (dvi): Add generation for the cppinternals
2028 documentation. Added dependencies on fdl.texi and c-tree.texi
2029 where appropriate. Use TEXI2DVI instead of custom tex calls.
2030 (info): Added dependencies on fdl.texi and c-tree.texi where
2031 appropriate. Remove the target c-tree.info.
2033 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
2035 * combine.c (try_combine): Fix typo in comment.
2036 * expr.c (expand_expr): Likewise.
2037 * config/i370/i370.md (untyped_call): Likewise.
2039 2001-05-26 Bruce Korb <bkorb@gnu.org>
2041 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2042 when fixincl is operating in test mode
2043 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2044 (AAB_ultrix_limits): remove redundant text
2045 (AAB_ultrix_memory): ditto
2046 (AAB_ultrix_string): ditto
2047 (djgpp_wchar_h): fix the test text
2048 (irix_stdio_va_list): add test text
2049 (irix_limits_const): add a testing output file (limits.h is overwritten)
2050 (strict_ansi_not_ctd): put limits.h second in list for same reason
2051 (solaris27_mutex_init): test text needed selection text, too
2053 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2054 when fixincl is operating in test mode
2056 2001-05-26 Philip Blundell <philb@gnu.org>
2058 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2059 * config/i960/i960-protos.h: Likewise.
2060 * config/i370/i370-protos.h: Likewise.
2061 * config/h8300/h8300-protos.h: Likewise,
2062 * config/sh/sh-protos.h: Likewise.
2063 * config/v850/v850-protos.h: Likewise.
2065 2001-05-26 Philip Blundell <philb@gnu.org>
2067 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2069 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2071 * toplev.c (debug_args, f_options, W_options): Mark
2072 descriptions for translation.
2073 (display_help): Translate descriptions on output.
2075 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2076 objc/lang-options.h: Mark descriptions for translation.
2078 * aclocal.m4: Quote final argument of patsubst. Use
2079 3-argument form of AC_DEFINE. Restore quotes to [] while
2081 * configure.in: Remove unnecessary changequote calls.
2082 * configure, config.in: Regenerate.
2084 2001-05-25 Sam TH <sam@uchicago.edu>
2086 * basic-block.h: Fix header include guards.
2087 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2088 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2089 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2090 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2091 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2092 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2093 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2094 varray.h version.h: Likewise.
2095 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2096 config/arm/arm.h config/c4x/c4x-protos.h
2097 config/h8300/h8300-protos.h config/h8300/h8300.h
2098 config/i370/i370-protos.h config/i370/i370.h
2099 config/i960/i960-protos.h config/mcore/mcore.h
2100 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2101 config/v850/v850-protos.h config/v850/v850.h: Likewise.
2102 * fixinc/fixlib.h fixinc/server.h: Likewise.
2104 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2106 * config/arc/initfini.c (.init): Fix typo.
2108 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
2110 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2112 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2114 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2116 2001-05-25 Richard Henderson <rth@redhat.com>
2118 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2120 2001-05-25 Richard Henderson <rth@redhat.com>
2122 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2123 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2124 (sparc*-*-solaris2): Likewise.
2125 * config/t-linux: Remove shared libgcc macros.
2126 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2127 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2129 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2131 * config.gcc (*-*-freebsd*): Report bad configuration.
2133 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2135 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2137 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2139 (ASM_OUTPUT_LABELREF): Delete.
2141 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2143 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2144 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2145 * fixinc/fixincl.x: Regenerate.
2146 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2147 (FIX_TEST_TABLE): Declare it.
2148 * fixinc/fixlib.h: Include config.h.
2150 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2152 * fixinc/inclhack.def (alpha___assert): Change char * args to
2153 const char * on Tru64 UNIX to avoid excessive warnings from
2155 * fixinc/fixincl.x: Regenerate.
2157 2001-05-25 Geoff Keating <geoffk@redhat.com>
2159 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2160 outputting a tag only for variable-size records.
2162 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2164 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2165 instead of rtx_equal_p for early clobber test.
2167 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2169 * builtins.def: Encode additional information, such as names and
2171 * builtin-types.def: New file.
2172 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2173 (built_in_decls): Likewise. Don't explicitly initialize global
2175 (expand_builtin_mathfn): Handle float and long double variants of
2177 (expand_builtin): Likewise.
2178 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2179 (expand_tree_builtin): Handle long, long long, float, and long
2180 double variants of math functions.
2181 * c-common.h (c_tree_index): Remove some unused nodes.
2182 (void_ftype): Remove.
2183 (void_type_ptr): Likewise.
2184 (int_ftype_int): Likewise.
2185 (ptr_ftype_sizetype): Likewise.
2186 * c-decl.c (init_decl_processing): Remove creation of DWARF
2188 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2189 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2190 * Makefile.in (c-common.o): Depend on builtin-types.def.
2192 2001-05-25 Dale Johannesen <dalej@apple.com>
2194 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2196 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2198 * c-parse.in (notype_initdcl): Remove redundant line.
2200 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2202 * aclocal.m4: Fixed typo.
2203 (gcc_AC_HEADER_STDBOOL): Define.
2204 (gcc_AC_C__BOOL): Define.
2205 * configure.in: Use them.
2206 (AC_CHECK_HEADERS): Remove stdbool.h
2207 * configure, config.in: Regenerate.
2209 2001-05-25 Richard Henderson <rth@redhat.com>
2211 * function.c (expand_function_start): Don't abort on PARALLEL
2212 returns from hard_function_value.
2214 2001-05-25 Richard Henderson <rth@redhat.com>
2216 * config/i386/i386.md: Revert previous change. Do not apply
2217 the peephole if the components do not die after the sequence.
2219 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2221 * c-parse.in (array_declarator): New. Handle C99 constructs.
2222 Don't restrict [*] declarators to C only.
2223 (after_type_declarator, parm_declarator_starttypename,
2224 parm_declarator_nostarttypename, notype_declarator,
2225 direct_absdcl1): Use it.
2226 * c-decl.c (build_array_declarator, set_array_declarator_type):
2227 New functions. Warn that [*] isn't properly implemented; pedwarn
2228 for [*] outside C99 mode if pedantic rather than giving a hard
2230 (grokdeclarator): Handle static and type qualifiers in parameter
2232 * c-tree.h (build_array_declarator, set_array_declarator_type):
2234 * extend.texi (Attribute Syntax): Document attributes in parameter
2237 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2239 * config/i386/i386.md: Make sure cmpstr peepholes do not
2240 affect liveness information.
2242 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2244 * c-typeck.c (digest_init): Issue error messages about
2245 invalid constants, not warnings.
2247 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2249 * invoke.texi (-fno-builtin): Document that this is always on
2252 2001-05-24 Philip Blundell <philb@gnu.org>
2254 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2257 2001-05-24 Philip Blundell <philb@gnu.org>
2259 * config/arm/arm.c (output_return_instruction): Correctly handle
2260 interworking and interrupt functions.
2262 2001-05-24 Philip Blundell <philb@gnu.org>
2264 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2265 -m{no-}sched-prolog. Fix typos and improve formatting.
2267 2001-05-24 Philip Blundell <philb@gnu.org>
2269 * invoke.texi (ARM Options): Improve wording slightly. Add
2270 documentation for more options, including those for Thumb mode.
2271 Don't mention options that don't exist or are unimplemented.
2272 (Thumb Options): Delete; merged into above section.
2274 2001-05-24 Geoff Keating <geoffk@redhat.com>
2276 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2277 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2279 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2281 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2282 fix hard register simplification.
2284 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2286 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2287 of just copying CPP_CPU_SPEC.
2289 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2291 * i386.c (incdec_operand): Accept only 1 and -1.
2293 2001-05-23 Kelley Cook <kelley.cook@home.com>
2295 * Makefile.in: Move many of the *_H definitions eariler in the
2296 file, so that rules in t-* files that use them for
2297 dependencies will work in a parallel build.
2298 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2300 2001-05-23 Richard Henderson <rth@redhat.com>
2302 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2304 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2306 * cpp.texi: Update for handling of charconsts.
2307 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2308 diagnostics. Skip to the end if the UCS is too short.
2309 (cpp_interpret_charconst): Long charconsts issue a warning
2312 2001-05-23 Richard Henderson <rth@redhat.com>
2314 * doc/install.texi (alpha-linux): Require binutils 2.11.
2316 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2318 * c-lex.c (read_escape, read_ucs): Delete.
2319 (lex_string): Use cpp_parse_escape.
2320 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2321 if not C++ or not C99. Warn if traditional.
2322 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2323 unsigned. Warn for out-of-range escape sequences here.
2324 Update to use maybe_read_ucs.
2325 (cpp_interpret_charconst): Don't warn here.
2326 * cpplib.h (cpp_parse_escape): New exported function.
2328 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2330 * extend.texi (Attribute Syntax): Clarify application of
2331 attributes to parameters declared as functions or arrays.
2333 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2335 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2337 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2339 * diagnostic.c (vnotice): Kill.
2340 (fnotice): Call vfprintf directly.
2341 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2342 verbatim, set_diagnostic_context): Rename string argument to
2343 indicate that it is run through gettext.
2344 (vbuild_message_string, build_message_string, output_do_printf):
2345 Rename string argument to indicate that it is NOT run through
2347 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2348 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2349 Run msgid argument through gettext.
2350 (default_print_error_function): Run constant strings through
2351 gettext when nothing else will.
2352 (fatal_error, internal_error, error_recursion): Use fnotice.
2353 Present complete sentences to gettext.
2355 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2357 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2359 2001-05-23 Richard Henderson <rth@redhat.com>
2361 * function.c (expand_function_start): Always use a pseudo
2362 for the function result value.
2364 2001-05-22 Richard Henderson <rth@redhat.com>
2366 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2367 section pointer alignment.
2369 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2371 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2372 of __USER_LABEL_PREFIX__.
2374 2001-05-22 Richard Henderson <rth@redhat.com>
2376 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2377 (__deregister_frame_info_bases): New.
2378 * unwind-dw2-fde.h: Declare it.
2379 * libgcc-std.ver: Export it.
2380 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2381 called __register_frame_info_bases.
2383 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2385 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2386 instead of #elif (which is OK for this case but not in general).
2388 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2390 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2391 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2392 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2393 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2394 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2396 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2397 David O'Brien <obrien@freebsd.org>
2399 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2400 configure-time options and target version of FreeBSD. Set-up
2401 to match architectural change in threading support. Correctly
2402 report when -pthread option is not supported by configure-time
2404 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2405 and extend to encode target version number in run-time setting
2406 of __FreeBSD__ macro to match the system compiler.
2407 (CPP_PREDEFINES): Likewise.
2408 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2410 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2411 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2413 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2414 David O'Brien <obrien@freebsd.org>
2416 * config.gcc (the unlabeled system switch statement): Add
2417 generic configuration section to handle *-*-freebsd*. Also,
2418 to match the system compiler, default to threading support (it
2419 may be disabled with the standard --disable-threads
2420 configuration-time switch).
2421 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2422 (alpha*-*-freebsd* in machine-specific section): Likewise.
2424 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2425 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2426 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2427 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2428 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2430 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2431 David O'Brien <obrien@freebsd.org>
2433 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2434 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2435 -pthread instead setting macro.
2437 2001-05-22 Richard Henderson <rth@redhat.com>
2439 * crtstuff.c (__register_frame_info_bases): Declare.
2440 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2441 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2443 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2444 (CRT_GET_RFIB_DATA): New.
2445 * config/i386/sysv4.h: Likewise.
2446 * config/i386/sco5.h: Likewise.
2447 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2449 2001-05-22 Richard Henderson <rth@redhat.com>
2451 * rtl.c (read_string): Break out from ...
2452 (read_rtx): ... here.
2454 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2456 * doc/install.texi (Specific): Remove a bogus and duplicate part
2457 copied from the end of the document.
2459 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2461 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2463 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2465 * install.texi: Remove obsolete information on SunOS as well as
2466 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2467 (Installing GNU CC on the Sun): Remove section.
2469 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2471 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2472 keep errno unchanged on success.
2474 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2476 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2477 once for hexadecimal floats, whether or not they contain a decimal
2478 point. Don't let the setting of pedantic otherwise affect the
2479 parsing of hexadecimal floats.
2481 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2483 * README.ACORN: Remove obsolete file.
2485 2001-05-22 Jan Hubicka <jh@suse.cz>
2487 * combine.c (gen_binary): Use swap_commutative_operands_p
2488 (simplify_comparison): Likewise.
2489 * expmed.c (emit_store_flag): Likewise.
2490 * expr.c (compare_from_rtx): Likewise.
2491 (do_compare_rtx_and_jump): Likewise.
2492 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2493 if not emitting a branch and operands want swapping.
2495 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2497 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2498 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2499 (maybe_get_identifier): Update.
2500 * tree.h (make_identifier): Delete.
2502 2001-05-21 Richard Henderson <rth@redhat.com>
2504 * combine.c (subst): Do not substitute for a register as
2505 a destination subreg/strict_low_part/zero_extract.
2507 * combine.c (simplify_comparison): Update op1 after constant
2509 * recog.c (const_int_operand): Accept only constants valid
2511 * genrecog.c: Update comments wrt const_int_operand.
2513 * emit-rtl.c (init_emit_once): Zero unused memory in a
2516 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2518 * tree.h (type_num_arguments): Declare it.
2519 * tree.c (type_num_arguments): New function.
2521 2001-05-21 Richard Henderson <rth@redhat.com>
2523 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2526 2001-05-21 Geoff Keating <geoffk@redhat.com>
2528 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2530 (minsf3): Use rs6000_emit_minmax.
2531 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2533 (movsfcc): Use rs6000_emit_cmove.
2534 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2535 Don't generate emit_fselsfsf4.
2536 (fseldfsf4): Likewise.
2537 (maxdf3): Use rs6000_emit_minmax.
2539 (mindf3): Use rs6000_emit_minmax.
2540 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2542 (movdfcc): Use rs6000_emit_cmove.
2543 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2544 Don't generate emit_fselsfsf4.
2545 (fselsfdf4): Likewise.
2546 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2547 (min_max_operator): New predicate.
2548 (rs6000_emit_cmove): New function.
2549 (rs6000_emit_minmax): New function.
2550 * config/rs6000/rs6000-protos.h: Prototype new functions.
2551 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2552 and min_max_operator.
2554 * config/rs6000/rs6000.c (output_cbranch): Handle all
2555 conditional types in the switch statement.
2557 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2559 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2560 non-register variables.
2561 * extend.texi: Document that asm-specifications do not make sense
2562 for non-static local variables.
2564 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2566 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2567 (dbxout_type_fields): Lose minimal_debug support.
2568 (dbxout_type_methods, dbxout_type): Likewise.
2570 2001-05-17 Andrew Haley <aph@redhat.com>
2572 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2574 2001-05-21 Richard Henderson <rth@redhat.com>
2576 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2579 2001-05-20 Richard Henderson <rth@redhat.com>
2581 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2582 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2583 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2584 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2585 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2587 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2588 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2589 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2590 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2591 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2592 DEBUG_PUBNAMES_SECTION): Rename as above.
2593 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2595 2001-05-20 Richard Henderson <rth@redhat.com>
2597 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2598 operands unless the operation is commutative.
2600 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2602 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2605 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2607 * extend.texi: Clarify documentation of extensions included in ISO
2608 C99. Prefer C99 terminology and syntax to old GNU terminology and
2609 syntax. Add more index entries. Document mixed declarations and
2610 code as an extension in C89 mode. Warn about future changes to
2611 semantics of inline functions. Fixes PR other/930.
2613 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2615 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2616 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2617 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2618 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2620 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2622 2001-05-20 Richard Henderson <rth@redhat.com>
2624 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2625 to be output before a branch.
2627 2001-05-20 Richard Henderson <rth@redhat.com>
2629 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2631 2001-05-20 Richard Henderson <rth@redhat.com>
2633 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2634 (ASM_DOUBLE): Remove.
2635 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2636 * config/i386/sun386.h: Likewise.
2638 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2639 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2641 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2642 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2643 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2644 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2646 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2647 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2648 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2649 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2650 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2651 * config/i386/win32.h: Likewise.
2653 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2655 * invoke.texi: Add more options to summary list.
2657 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2659 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2660 used. Fixes PR c/2291.
2661 * gcc.1: Regenerate.
2663 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2665 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2666 the -fpic and -fPIC options, clear flag_pic.
2668 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2670 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2671 * stringpool.c (make_identifier): No statistics here anymore.
2672 * objc-act.c (steup_string_decl): Remove redundant check.
2674 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2676 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2677 cpplib.o, cpphash.o, fix-header): Update.
2678 (hashtable.o): New target.
2679 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2680 struct c_common_identifier here.
2681 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2682 * c-lex.c (c_lex): Update.
2683 * c-pragma.h: Update.
2684 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2686 (C_RID_CODE): Delete.
2687 * cpphash.c: Rewrite to use hashtable.c.
2688 * cpphash.h: Update include guards.
2689 (struct cpp_reader): Remove hashtab.
2690 hash_ob and buffer_ob are no longer pointers. Add hash_table
2692 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2693 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2694 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2695 * cppinit.c (cpp_create_reader): Update.
2696 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2697 (cpp_interpret_charconst): Eliminate warning.
2698 * cpplib.c (do_pragma, do_endif, push_conditional,
2699 cpp_push_buffer, cpp_pop_buffer): Update.
2700 (_cpp_init_stacks): Rename cpp_init_directives.
2701 (_cpp_cleanup_stacks): Remove.
2702 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2703 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2704 cpp_forall_identifiers, cpp_create_reader): Update.
2705 (C_RID_CODE, cpp_make_node): New.
2706 (c_common_identifier): New identifier node for C front ends.
2707 * cppmain.c (main): Update.
2708 * fix-header.c (read_scan_file): Update.
2709 * flags.h (id_clash_len): Make unsigned.
2710 * ggc.h (ggc_mark_nonnull_tree): New.
2713 * stringpool.c: Update comments and copyright. Update to use
2715 * toplev.c (approx_sqrt): Move to hashtable.c.
2716 (id_clash_len): Make unsigned.
2717 * toplev.h (ident_hash): New.
2718 * tree.c (gcc_obstack_init): Move to hashtable.c.
2719 * tree.h: Include hashtable.h.
2720 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2721 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2722 (struct tree_identifier): Update.
2723 (make_identifier): New.
2725 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2726 (C_RID_CODE): Remove.
2727 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2728 (init_parse): Don't do it here.
2730 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2732 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2734 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2736 (expand_eh_return): Convert between word_mode and Pmode.
2737 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2739 (execute_stack_op): Likewise.
2740 (execute_cfa_program): Likewise.
2741 (uw_frame_state_for): Likewise.
2742 (uw_update_context_1): Likewise.
2743 * unwind.inc (_Unwind_Reason_Code): Likewise.
2744 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2745 (EH_RETURN_STACKADJ_RTX): Likewise.
2746 * config/mips/mips.c (compute_frame_size): Make space for saving
2747 EH return registers.
2748 (mips_expand_epilogue): Handle EH stack adjustments.
2749 * config/mips/mips.md (eh_return): New pattern.
2750 (eh_set_lr_si): Likewise.
2751 (eh_set_lr_di): Likewise.
2752 Add splitter to perform EH return after reload.
2754 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2756 * jump.c (mark_jump_label): Tidy previous change.
2758 2001-05-19 Bruce Korb <bkorb@gnu.org>
2760 * fixinc/genfixes: no need for two warnings
2761 * fixinc/Makefile.in: open stdin for those building with a closed one.
2763 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2765 * jump.c (jump_optimize_1): Tidy.
2766 (mark_jump_label): When changing the label in a LABEL_REF, change
2767 update any REG_EQUAL notes as well.
2769 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2771 * c-parse.in (parm_declarator): Split into
2772 parm_declarator_starttypename and parm_declarator_nostarttypename.
2773 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2774 New. Allow parenthesised sub-declarators which don't begin with a
2775 TYPENAME. Fixes PR c/166.
2777 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2779 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2781 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2783 * toplev.c (main): If the target does not allow profiling without
2784 a frame pointer, issue an error message.
2785 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2788 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2790 * recog.c (general_operand): Modify last change to allow it if reload
2793 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2795 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2796 subregs containing mem.
2798 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2800 * regrename.c (regrename_optimize): frame pointer register can
2803 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2805 * README.DWARF: Move into dwarfout.c.
2807 2001-05-18 Dale Johannesen <dalej@apple.com>
2809 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2810 specific misuse of r0 as a reload address.
2812 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2814 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2817 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2819 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2820 (add_to_sequence): Make that decision type.
2821 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2822 (write_switch, write_cond, debug_decision_2): Likewise.
2824 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2826 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2829 2001-05-18 Stan Shebs <shebs@apple.com>
2831 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2832 * configure: Regenerate.
2834 2001-05-18 Per Bothner <per@bothner.com>
2836 Changes needed for java/jvspec.c
2837 * gcc.h (n_infiles, outfiles): Add declarations.
2838 * gcc.c (n_infiles, outfiles): Mske no longer static.
2840 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2842 * config/pa/som.h (EXCEPTION_SECTION): Define.
2844 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2846 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2848 Add have_location_lists, a variable to determine whether we need a
2849 .debug_loc section or not.
2850 (enum dw_val_class): Add dw_val_class_loc_list.
2851 (dw_val_struct): Add val_loc_list.
2852 (dw_loc_list_struct): New structure, represents location lists.
2853 (new_loc_list): New function, return a new location list, given
2854 the range and location expression.
2855 (add_loc_descr_to_loc_list): New function, add a location
2856 expression to a location list, given the expression and range.
2857 (output_loc_list): New function, output a location list.
2858 (gen_internal_sym): Modified to take symbol prefix, so we can
2859 reuse it for location list symbols.
2860 (add_AT_loc_list): New function, add a location list to a DIE at
2861 the named attribute.
2862 (AT_loc_list): New function, return the location list reference
2863 for a given attribute, if it's a location list.
2864 (print_die): Handle dw_val_class_loc_list.
2865 (size_of_die): Ditto.
2866 (value_format): Ditto.
2867 (output_die): Ditto.
2868 (output_location_lists): New function, output all of the location
2869 lists for a DIE and it's children.
2870 (dwarf2out_finish): Call output_location_lists if we have location
2874 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2876 * gcse.c (try_replace_reg): First try global replace, later try to
2877 simplify the expression.
2879 * gcse.c (find_used_regs): Change calling convention; work via
2881 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2883 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2886 2001-02-09 Nick Clifton <nickc@redhat.com>
2887 * config/arm/arm.md: Change output constraint on post inc
2888 load/store multiple patterns to be a read/write constraint.
2890 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2892 * basic-block.h (struct basic_block_def): Add documentation about
2893 what a basic block is, and what the various fields are used for.
2894 * flow.c (calculate_globlal_regs_live): Add documentation about
2895 how the algorithm works, and how we know that it will terminate.
2896 Check that the the inductive assumption that guarantees
2897 termination actually holds.
2898 (mark_used_regs): Treat conditionally set registers as used.
2899 (debug_regset): Add comment.
2900 * rtl.texi (cond_exec): Add documentation.
2902 * function.c (expand_function_start): Avoid creating BLKmode
2905 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2907 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2908 DIE, even if it has no children.
2909 (dwarf2out_finish): Always output the line-number table, even if
2912 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2914 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2916 2001-05-17 Bruce Korb <bkorb@gnu.org>
2918 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2919 * fixinc/genfixes: emit a warning if AutoGen is out of date
2921 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2922 Bruce Korb <bkorb@gnu.org>
2924 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2925 found in fixinc directory. Facilitates binary distributions.
2927 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2929 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2932 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2934 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2936 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2938 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2939 (simplify_subreg): Handle complex types represented as CONCAT.
2941 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2942 * rtl.h (swap_commutative_operands_p): Declare.
2943 * rtlanal.c (swap_commutative_operands_p): New.
2944 (operand_preference): New static function.
2946 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2947 (gen_binary): Likewise.
2948 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2949 * simplify-rtx.c (simplify_gen_binary,
2950 simplify_gen_relational): Likewise.
2952 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2954 * cse.c (fold_rtx): Use simplify_subreg.
2956 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2957 (simplify_gen_subreg): New.
2958 (simplify_rtx): Use simplify_subreg.
2959 * rtl.h (simplify_gen_subreg): Declare.
2961 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2963 * doc/install.texi: Update Solaris information.
2965 * except.h (protect_cleanup_actions): Remove it.
2966 (lang_protect_cleanup_actions): Declare it.
2967 * except.c (protect_cleanup_actions): Remove it.
2968 (lang_protect_cleanup_actions): New variable.
2969 (init_eh): Don't make protect_cleanup_actions a GC root.
2970 (expand_eh_region_and_cleanup): Call
2971 lang_protect_cleanup_actions.
2972 (output_function_exception_table): Remove unused `align'
2974 * varasm.c (assemble_external): Abort if we have not yet
2975 opened the assembly output file.
2977 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2979 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2980 for eh_personality_libfunc.
2982 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2984 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2985 when calling simplify_subreg. This is needed to allow replacing
2986 of expression of one mode by expression of different mode.
2988 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2990 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2992 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2994 * expr.c (protect_from_queue): Protect against subsequent calls to
2996 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2999 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
3001 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
3003 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3005 * gccbug.in (CATEGORIES): Add "bootstrap".
3007 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3009 * simplify-rtx.c (simplify_subreg): Break out from ...
3010 * combine.c (combine_splify_rtx) ... here and ...
3011 * recog.c (validate_replace_rtx_1): ... here;
3012 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3013 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3014 (subreg_lowpart_p): ... here.
3016 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3018 * stmt.c (expand_asm_operands): For inout operands, make sure
3019 the substitution of '=' for '+' makes it into the rtl.
3021 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3022 (reload_as_needed): Call update_eliminable_offsets a bit later.
3024 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3026 * gcc.texi (gccbug): Refer to the web pages for detailed information
3029 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3031 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3033 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3034 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3035 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
3036 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
3037 * cross-make: Don't set LIBGCC1.
3038 * mklibgcc.in: Delete all code for building from libgcc1.c.
3039 Always honor LIB1ASMFUNCS if set.
3041 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3042 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3043 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3044 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3045 config/i386/uwin.asm, config/m68hc11/larith.asm,
3046 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3047 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3048 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3049 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3050 Delete or update references to libgcc1 in commentary.
3052 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3053 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3054 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3055 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3056 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3057 config/arm/t-semi, config/arm/t-strongarm-coff,
3058 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3059 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3060 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3061 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3062 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3063 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3064 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3065 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3066 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3067 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3068 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3069 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3070 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3071 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3072 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3073 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3074 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3075 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3076 config/mips/t-ultrix, config/mn10200/t-mn10200,
3077 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3078 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3079 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3080 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3081 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3082 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3083 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3084 config/sparc/t-sparclite, config/sparc/t-splet,
3085 config/sparc/t-sunos41, config/sparc/t-vxsparc,
3086 config/sparc/t-vxsparc64, config/v850/t-v850:
3087 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3089 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3090 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3091 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3092 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3093 nongcc_SI_type, nongcc_word_type, or perform_*
3094 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3096 * config/i386/386bsd.h, config/i386/beos-elf.h,
3097 config/i386/linux-aout.h, config/i386/linux-oldld.h,
3098 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3099 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3100 Don't include i386/perform.h.
3102 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3103 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3104 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3105 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3106 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3107 config/vax/t-openbsd, config/vax/t-vax: Delete.
3109 * config.gcc: Remove references to deleted files.
3110 (arm-semi-aof): Use arm/t-semi for tmake_file.
3112 * gcc.texi, install.texi, invoke.texi, tm.texi:
3113 Delete or rewrite text which is no longer relevant now that
3114 libgcc1 no longer exists.
3116 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3117 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3119 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3120 Bruce Korb <bkorb@gnu.org>
3122 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3125 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3127 * i386.md: Add two peepholes to clean up code generated by
3130 2001-05-16 Richard Henderson <rth@redhat.com>
3132 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3133 variants of non-absolute encodings.
3135 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3137 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3138 __register_frame_info_table_bases): Export.
3140 2001-05-16 Richard Henderson <rth@redhat.com>
3142 * except.c (eh_data_format_name): Move to ...
3143 * dwarf2asm.c: ... here. Use designated initializers if available.
3144 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3145 * dwarf2asm.h: Update declarations.
3146 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3147 ASM_PREFERRED_EH_DATA_FORMAT.
3148 (output_call_frame_info): Likewise. Use 'L' augmentation for
3151 * unwind-dw2-fde.h (struct fde_vector): New.
3152 (struct old_object): Rename from struct object.
3153 (struct object): New.
3154 (__register_frame_info_bases): Declare.
3155 (__register_frame_info_table_bases): Declare.
3156 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3157 * unwind-dw2-fde.c (objects): Remove.
3158 (unseen_objects, seen_objects): New.
3159 (__register_frame_info_bases): New.
3160 (__register_frame_info): Use it.
3161 (__register_frame_info_table_bases): New.
3162 (__register_frame_info_table): Use it.
3163 (__deregister_frame_info): Rewrite for changed object struct.
3164 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3165 (fde_unencoded_compare): Rename from fde_compare; uninline.
3166 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3167 (start_fde_sort): Adjust for new definition of fde_vector.
3168 (fde_insert): Likewise.
3169 (end_fde_sort): Likewise. Select comparison function based
3170 on properties of the object.
3171 (fde_split): Take object and fde_compare_t arguments.
3172 (frame_heapsort, fde_merge): Likewise.
3173 (classify_object_over_fdes): Rename from count_fdes. Handle
3174 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3176 (add_fdes): Handle encoded pointers.
3177 (init_object): Rename from frame_init. Update for new struct object.
3178 (linear_search_fdes): Rename from search_fdes. Handle encoded
3180 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3181 (binary_search_single_encoding_fdes): New.
3182 (binary_search_mixed_encoding_fdes): New.
3183 (search_object): New.
3184 (_Unwind_Find_FDE): Update for new struct object. Fill in
3186 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3187 iterating over EH data.
3188 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3189 fde_encoding, lsda_encoding.
3190 (read_uleb128, read_sleb128): Remove.
3191 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3192 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3193 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3195 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3197 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3199 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3200 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3201 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3202 cpp_spell_token, cpp_output_token): Similarly.
3203 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3204 do_pragma_poison, parse_assertion, do_assert): Similarly.
3205 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3206 save_parameter, _cpp_create_definition, check_trad_stringification,
3207 cpp_macro_definition): Similarly.
3208 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3209 * c-lex.c (cb_undef, c_lex): Similarly.
3210 * fix-header.c (recognized_function): Similarly.
3211 * cpplib.h (NODE_LEN, NODE_NAME): New.
3212 (cpp_hashnode): Rename length len.
3214 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3216 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3219 2001-05-16 Andreas Jaeger <aj@suse.de>
3221 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3223 * toplev.c: Include dwarf2asm.h for prototype of
3224 dw2_output_indirect_constants.
3226 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3228 * stmt.c (expand_asm_operands): Be able to offload addressof
3229 expression to memory. (PR optimization/185)
3231 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3233 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3234 applying distributive law.
3236 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3238 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3240 * gthr-dce.h (UNUSED): Attribute unused macro.
3241 (__gthread_key_dtor): Make arguments UNUSED.
3242 (__gthread_key_delete): Revise for compatibility with DRAFT4
3245 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3247 * doc/install.texi: Update AIX information.
3248 * README.RS6000: Remove obsolete file.
3250 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3251 Nathan Sidwell <nathan@codesourcery.com>
3253 * gcc.c (give_switch): Don't write before start of string.
3254 Always append suffix.
3256 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3258 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3261 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3263 * README.ALTOS: Remove obsolete file.
3265 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3267 * c-lex.h (save_and_forget_protocol_qualifiers,
3268 forget_protocol_qualifiers, remember_protocol_qualifiers):
3269 Remove deleted functions' prototypes.
3271 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3273 * c-parse.in (methodtype): New production.
3274 (methoddef, methodproto): Collapse separate '-' and '+'
3277 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3279 * c-common.h (RID_FIRST_PQ): New.
3280 * c-parse.in (objc_pq_context): New.
3281 (objc parser): Set objc_pq_context rather than calling
3282 remember_protocol_qualifiers and forget_protocol_qualifiers.
3283 Don't call save_and_forget_protocol_qualifiers.
3284 (yylexname): Handle objc protocol qualifiers here.
3285 * stringpool.c (struct str_header): Replace with sp_hashnode.
3286 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3287 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3288 Allocate an IDENTIFIER_NODE for each identifier.
3289 (FORALL_STRINGS, set_identifier): Delete.
3290 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3291 (ggc_alloc_string): Use an obstack.
3292 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3293 * tree.h: Update comments.
3294 (set_identifier): Delete.
3295 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3296 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3297 remember_protocol_qualifiers): Delete.
3299 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3301 * flow.c (life_analysis): After life analysis is complete, do
3302 an optional scan over insns looking for REG_LABEL notes that
3303 reference a deleted label.
3304 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3305 before peeking at LABEL_NUSES.
3307 2001-05-15 Richard Henderson <rth@redhat.com>
3309 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3310 (_Unwind_GetTextRelBase): New.
3312 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3314 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3316 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3318 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3319 so that CHOOSE_SECTION gets used.
3321 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3322 TARGET_RELOCATABLE like flag_pic for now.
3324 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3326 * rs6000.md (movdi splitter): Sign extend more efficiently.
3327 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3328 to "long long" valid on 32-bit and 64-bit hosts.
3329 (logical_operand): Cast trunc_int_for_mode return value.
3330 (rs6000_emit_move): Shift macro to encapsulate variable.
3331 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3332 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3333 plus_constant requires signed argument.
3335 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3337 * gthr-posix.h: Make additional pthread-* functions weak.
3339 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3341 * recog.c (apply_change_group): Avoid unneeded validating.
3343 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3345 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3346 (num_insns_constant): CONST_INT can be 64-bits.
3348 2001-05-14 Stan Shebs <shebs@apple.com>
3350 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3351 (LIBGCC_SPEC): Don't define.
3353 2001-05-14 Richard Henderson <rth@redhat.com>
3355 * configure.in (gcc_cv_as_eh_frame): New test.
3356 * config.in, configure: Rebuild.
3357 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3359 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3361 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3362 extended precision divide.
3364 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3366 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3367 for RETURNS as well.
3369 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3371 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3372 (CPP_CPU??_SIZE_TYPE): New.
3373 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3374 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3375 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3376 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3378 * i386.c (override_options): Add sorry about not suported modes.
3380 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3382 * config/pa/som.h (NM_FLAGS): Remove.
3383 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3384 (ASM_OUTPUT_SECTION_NAME): Remove.
3385 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3387 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3389 * regrename.c (regrename_optimize): Do not rename registers to
3392 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3394 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3395 contain MEMs. Remove useless distinction about clobbering
3398 2001-05-13 Geoff Keating <geoffk@redhat.com>
3400 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3401 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3402 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3403 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3404 (EXCEPTION_SECTION): Define.
3406 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3408 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3409 binary backward compat only.
3410 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3411 in LIB2FUNCS. Pass it to mklibgcc.
3412 * mklibgcc.in: Handle LIB2FUNCS_ST.
3414 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3416 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3418 * tm.texi (THREAD_MODEL_SPEC): Document it.
3419 * gcc.c (main): Use it.
3420 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3421 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3423 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3425 * rtl.h (SYMBOL_REF_WEAK): New macro.
3426 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3427 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3428 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3429 * gcc.texi: Remove wrong description.
3431 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3433 * Makefile.in (STAMP): New macro.
3434 Replace all uses of `touch' with $(STAMP).
3435 * fixinc/Makefile.in: Likewise.
3437 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3439 * configure.in: ldopen is never in -lexc, so don't test for it.
3440 Add test for exc_resume in -lexc for Ada.
3441 * configure: Regenerated.
3443 2001-05-12 Richard Henderson <rth@redhat.com>
3445 * dwarf2asm.c (size_of_encoded_value): New function.
3446 * dwarf2asm.h: Declare it.
3447 * except.c (output_function_exception_table): Align the TType
3448 array only as wide as the encoding.
3450 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3452 * extend.texi: Document #pragma GCC java_exceptions.
3454 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3456 * c-parse.in (bison parser, init_reswords): Remove uses of
3458 * c-tree.h (doing_objc_thang): Remove.
3460 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3462 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3463 about files not ending in newlines.
3465 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3467 * dwarfout.c (dwarfout_init): Add cast.
3468 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3469 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3471 * method.c (build_mangled_C99_name): Remove unused prototype.
3473 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3475 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3477 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3479 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3480 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3482 2001-05-11 Richard Henderson <rth@redhat.com>
3484 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3485 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3486 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3487 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3488 (dw2_output_indirect_constants): Prototype.
3489 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3490 current_function_func_begin_label if we'll need it for EH. Exit
3491 early for IA64_UNWIND_INFO.
3492 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3493 (eh_data_format_name): Update for indirect references.
3494 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3495 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3496 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3497 define HAVE_eh_return etc.
3498 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3499 (final_end_function): Don't call output_function_exception_table.
3500 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3501 (rest_of_compilation): Invoke output_function_exception_table
3502 for ia64 before assemble_end_function.
3503 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3504 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3506 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3507 * unwind.h: Declare them.
3508 * libgcc-std.ver: Export them.
3509 * unwind-pe.h: New file.
3511 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3513 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3515 (find_fde_for_dso): Extract DT_PLTGOT.
3516 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3517 the segment and gp as well.
3518 * config/ia64/frame-ia64.c: Remove file.
3519 * config/ia64/frame-ia64.h: Remove file.
3520 * config/ia64/unwind-ia64.c: New file.
3521 * config/ia64/unwind-ia64.h: New file.
3522 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3523 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3524 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3525 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3526 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3527 (IA64_UNWIND_INFO): Re-enable.
3528 (HANDLER_SECTION): Remove.
3529 (EH_RETURN_DATA_REGNO): New.
3530 * config/ia64/ia64.md (exception_receiver): Remove.
3531 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3532 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3534 2001-05-11 Richard Henderson <rth@redhat.com>
3536 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3537 calls and jumps to be bundled together.
3538 (ia64_reorg): Emit a break after a noreturn call that ends
3540 * config/ia64/ia64.md (break_f): New.
3542 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3544 * c-lex.c (lex_charconst): Convert into a simple wrapper
3545 around cpp_interpret_charconst, to which most of the code
3547 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3548 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3549 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3550 (lex): Use cpp_interpret_charconst.
3551 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3552 hex_digit_value): New functions.
3553 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3554 * cpplib.h (cpp_interpret_charconst): New prototype.
3555 * Makefile.in: Update.
3557 2001-05-12 Dean Wakerley <dean@wakerley.com>
3559 * doc/install.texi: New file. Converted to texinfo from the HTML
3560 documentation in wwwdocs/htdocs/install.
3562 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3564 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3565 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3567 * toplev.c (compile_file): Move comment for opening output
3568 file to just before the code that opens the output file.
3570 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3572 * regmove.c (regmove_optimize): Suppress the optimization for
3573 unchanging destination register. Add comment above function.
3575 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3577 * Makefile.in: Exterminate all references to assert.h.
3578 * cross-make: Likewise.
3580 * configure.in: Correct commentary.
3581 * configure: Regenerate.
3583 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3586 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3587 config/t-netbsd, config/t-rtems, config/x-linux,
3588 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3589 No need to override INSTALL_ASSERT_H.
3591 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3592 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3593 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3595 2001-05-11 Graham Stott <grahams@redhat.com>
3597 * combine.c (simplify_comparison): Fix typo.
3599 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3601 * loop.h (struct movables): Remove `num'.
3602 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3603 Adjust call to strength_reduce.
3604 (num_unmoved_movables): New function.
3605 (move_movables): Don't set movables->num.
3606 (strength_reduce): Compute the number of instructions in the loop
3607 here, rather than in the caller.
3608 (check_dbra_loop): Always clear reversible_mem_store if there
3609 are any memory sets.
3610 (loop_regs_scan): Don't count instructions here.
3611 (count_insn_in_loop): New function.
3613 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3615 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3617 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3619 * c-common.c (finish_label_expr): New function, lifted from
3620 from cp/semantics.c.
3621 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3622 * c-parse.in: Move 3 blocks of parser code into new functions.
3623 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3624 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3625 (lookup_label): Remove.
3627 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3629 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3630 FLOAT_BIT_ORDER_MISMATCH.
3632 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3634 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3635 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3637 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3639 * expr.c (emit_group_load): extract_bit_field requires a REG or
3642 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3644 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3645 a computed jump into an unconditional jump.
3646 In second hunk of code for collapsing computed and conditional jumps
3647 into unconditional jumps, reemit the jump in additional cases.
3649 * jump.c (jump_optimize_1): Do not wrap the new jump target
3650 inside a LABEL_REF; gen_jump will do that automatically.
3652 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3654 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3655 contents for a SYMBOL_REF in case of floating point constants.
3657 2001-05-10 DJ Delorie <dj@redhat.com>
3659 * c-common.c (combine_strings): Widen strings in a
3660 host-endian-independent way.
3662 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3664 * c-parse.in: Remove many shift/reduce conflicts. Update
3666 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3667 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3668 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3669 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3670 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3671 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3672 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3673 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3674 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3675 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3676 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3677 typespec_reserved_nonattr, typespec_reserved_attr,
3678 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3679 structsp_nonattr, components_notype, component_notype_declarator,
3680 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3681 firstparm, setspecs_fp): New
3682 (typed_declspecs, reserved_declspecs, typed_typespecs,
3683 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3684 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3685 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3686 type_quals): Remove. Users updated.
3687 (initdecls, notype_initdecls, after_type_declarator,
3688 parm_declarator, notype_declarator, absdcl1, components, ivars):
3689 Don't allow attributes at the start of a declarator; include them
3690 in the production containing the declarator instead. Always
3691 require type specifiers before trying to redeclare a typedef name.
3692 (typename): Allow for attributes but warn that they are ignored.
3693 (parmlist, firstparm, setspecs_fp): Include attributes in
3694 parmlist; suck them off the parser stack in firstparm using
3697 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3699 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3700 to determine if a block has an unconditional jump at its end.
3702 * jump.c (jump_optimize_1): When converting a conditional jump
3703 to an unconditional jump, build the jump using gen_jump instead
3704 of just modify operands in-place.
3706 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3708 * cppinit.c (cpp_post_options): Shut off macro expansion if
3710 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3711 IN_I directives only if the # is in column 1 and the directive
3712 name begins in column 2.
3713 * cppmain.c (scan_buffer): Insert a space between # and an
3714 identifier, when that identifier is a directive name.
3716 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3717 in the header search path.
3718 (enum node_type): Add T_INCLUDE_NEXT.
3719 (directive_table): Add entry for include_next.
3720 (do_include_next): New function.
3721 (process_include): New routine, broken out of do_include.
3722 (finclude): Insert 'nhd' argument, to be copied into
3723 next_header_dir of the new buffer.
3724 (main): Adjust to match.
3725 * gsyslimits.h, limity.h: Un-indent #include_next.
3727 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3729 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3730 inclusion as a chapter of the GCC manual.
3731 * gcc.texi: Include objc.texi.
3732 * fdl.texi: Use @unnumberedsec for the addendum.
3733 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3735 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3737 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3739 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3741 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3742 handling of two-address insns.
3744 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3746 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3747 ../binutils/nm-new instead of ../binutils/nm.
3749 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3751 * i386.md (movdi splitter): Fix the splitting condition
3752 (float_extenddftf splitter): Fix mode.
3754 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3756 * genrecog.c (write_switch): Avoid outputting of switch for
3757 types wider than int.
3759 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3761 * reload1.c (copy_eh_notes): New function.
3762 (emit_input_reload_insns): Call it.
3763 (emit_output_reload_insns): Call it.
3765 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3767 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3769 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3770 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3772 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3774 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3776 * pa.md (interspace_jump): Revise comment.
3777 (builtin_longjmp): Block initial setup insns from delay slot of
3779 (builtin_setjmp_receiver): New expander to save and restore PIC
3782 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3784 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3786 * toplev.c (compile_file): Set up the output file before we call
3787 the various initializers for the compiler.
3789 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3790 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3792 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3793 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3795 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3797 * Makefile.in (tradcpp0): Correct typo in dependency list.
3799 2001-05-06 Geoff Keating <geoffk@redhat.com>
3801 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3802 the link register if we're not going to use it.
3804 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3805 (output_function_profiler): Likewise.
3807 2001-05-07 Alan Modra <amodra@one.net.au>
3809 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3811 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3813 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3814 zero-extend it. Make abs_inc unsigned.
3816 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3817 widest mode in narrowing and widening operations.
3819 * config/mips/mips.md: Sign extend CONST_INTs.
3821 2001-05-06 Andreas Jaeger <aj@suse.de>
3823 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3824 (i386 Options): Document -momit-leaf-frame-pointer.
3826 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3828 * c-typeck.c (internal_build_compound_expr): Check for
3829 array to pointer conversion just once.
3831 2001-05-05 Richard Henderson <rth@redhat.com>
3833 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3835 2001-05-05 Richard Henderson <rth@redhat.com>
3837 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3838 to the parent of the fixup region.
3840 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3842 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3844 * cpp.texi (__NO_INLINE): Document it.
3846 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3848 * cppfiles.c (struct include_file): New member err_no.
3849 (find_or_create_entry): Set it.
3850 (open_file): Don't set fds to -2. Instead, use err_no to
3851 remember previous errors, if any.
3853 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3855 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3856 between X and Y by using sequences of xgdx and xgdy.
3858 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3860 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3861 of '!' for the 'D' alternative ('!' is too strong).
3862 ("*logicalsi3_silshl16"): Likewise.
3863 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3864 ("movstrictsi"): Remove spurious '+'.
3865 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3866 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3867 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3870 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3872 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3874 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3876 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3879 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3881 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3884 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3886 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3887 soft register, use ror instead of rol.
3889 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3891 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3892 into account pre/post increment decrement for 68HC12.
3893 Fix other problems in replacement and fix call to reg_mentioned_p.
3895 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3897 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3898 Put the soft registers in bss for 68HC12.
3899 (L_regs_d3_4): New for _.d3 and _.d4.
3900 (L_regs_d5_6): Likewise.
3901 (L_regs_d1_2): Likewise.
3902 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3904 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3906 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3907 to the pre-processor when -fshort-double is specified.
3908 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3910 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3912 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3913 (__mulsi3): Rewrite for 68HC12.
3914 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3915 Mark 'x' constraint with earlyclobber to prevent a
3916 RELOAD_FOR_OTHER_ADDRESS to go in it.
3917 (mulhi3_m68hc12): New pattern.
3918 (mulhi3_m68hc11): Rename of mulhi3.
3919 (mulhi3): New expand for 68HC12 optimisation.
3920 (umulhisi3, mulhisi3): New patterns for 68HC12.
3922 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3924 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3925 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3926 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3928 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3930 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3931 constants cheap after reload.
3932 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3934 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3935 so that gcc prefers a shift by 16.
3936 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3938 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3940 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3942 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3944 * alpha.h: NULL_PTR -> NULL.
3951 * i386.md: Likewise.
3954 * m68hc11.h: Likewise.
3955 * rs6000.h: Likewise.
3958 * sparc.h: Likewise.
3962 * final.c: Likewise.
3964 * recog.c: Likewise.
3966 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3968 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3969 `bool' parameter to `int'.
3971 * hash.c (hash_lookup): Likewise.
3973 * hash.h (hash_lookup): Likewise.
3975 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3977 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3979 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3981 2001-05-03 Geoff Keating <geoffk@redhat.com>
3983 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3984 -malign-loops, -malign-functions.
3985 * i386.c (ix86_align_funcs): Delete.
3986 (ix86_align_loops): Delete.
3987 (ix86_align_jumps): Delete.
3988 (override_options): Mark -malign-* as obsolete. Emulate their
3989 behaviour with the -falign-* options. Default -falign-* from
3990 the processor table.
3991 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3992 patch of Wed May 2 13:09:36 2001.
3993 (LOOP_ALIGN): Delete.
3994 (LOOP_ALIGN_MAX_SKIP): Delete.
3995 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3996 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3998 2001-05-04 Andreas Jaeger <aj@suse.de>
4000 * except.h: Add prototype declaration for
4001 expand_builtin_init_dwarf_reg_sizes.
4003 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
4005 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4007 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4009 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4011 ("bitcmpqi2"): New pattern for bit-extract and test.
4012 ("bitcmphi"): New pattern for bitb/bita instructions.
4014 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
4016 * gccbug.in: Use a temporary directory when the mktemp command is
4019 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4021 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4023 (INITIALIZE_TRAMPOLINE): Call it.
4024 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4025 (TRAMPOLINE_TEMPLATE): Remove.
4026 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4027 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4030 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4032 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
4033 and crtendS.o with PIC.
4035 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4037 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4039 (___subdi3, ___adddi3): Use x instead of y as index register.
4040 (__init_bss_section, __map_data_section): Optimize for 68HC12.
4041 (__memset, __memcpy): Likewise.
4042 (regs): Put the soft registers in bss for 68HC12.
4043 (abort): Use trap to abort for 68hc12.
4044 (__mulhi3, __mulhi32): Use emul for 68hc12.
4045 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4047 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4049 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4050 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4051 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4052 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4053 Set 68HC12 min offset to -65536.
4054 (print_operand): Put parenthesis arround the operand if it refers
4055 to a symbol having the same name as a register.
4056 (m68hc11_z_replacement): When z register is replaced by its
4057 equivalent soft register, force the insn to be re-recognized.
4058 (m68hc11_check_z_replacement): Fix the test when destination is
4059 the index register and z dies in the insn.
4060 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4062 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4064 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4065 costs according to processor variant.
4066 (m68hc11_shift_cost): New function to compute shift costs.
4067 (m68hc11_rtx_costs): Define costs according to processor variant.
4068 (m6811_cost): Costs for 68HC11.
4069 (m6812_cost): Costs for 68HC12.
4070 (COSTS_N_INSNS): Remove.
4072 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4073 (DEFAULT_RTX_COSTS): Remove.
4074 (CONST_COSTS): Define costs according to OUTER_CODE.
4075 (processor_costs): New struct to define costs.
4076 (m68hc11_cost): Pointer to current costs.
4078 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4080 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4081 and use m68hc11_notice_keep_cc when using leax/leay.
4082 (addhi3 split): Reject split if the insn is handled by
4084 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4085 push must be handled in a special way if the source operand uses
4086 sp as index register.
4087 (m68hc11_notice_keep_cc): New function.
4088 (m68hc11_gen_movhi): Use it when an insn changes a register but
4090 (m68hc11_gen_movqi): Fix move for 68HC12.
4091 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4093 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4095 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4096 and don't pass operands[0] to emit_library_call_value.
4098 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4100 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4101 (zero_extendsi split): Simplify and use (zero_extendhi).
4102 (*addhi3): Remove 'w' constraint since stack pointer is handled
4104 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4105 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4106 (*ashrhi3_const): Fix shift by 7.
4107 (*lshrsi3_const16): Fix template.
4108 (call, call_value): Fix constraint and predicate.
4110 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4112 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4113 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4114 (CC_REGNUM): Likewise.
4115 (*unnamed splits): Use above constants instead of hard coded numbers.
4116 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4117 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4118 (*return_16bit, *unnamed peepholes): Likewise.
4120 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4122 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4123 rs6000/rs6000.h twice.
4125 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4127 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4128 (CPP_SPEC): Conditionally define MSDOS and GO32.
4129 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4130 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4132 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4134 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4136 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4138 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4140 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4141 * integrate.c (expand_inline_function): Use xcalloc to allocate
4143 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4146 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4148 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4151 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4153 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4154 linker if -mrelax is given.
4155 (TARGET_SWITCHES): Document -mrelax.
4157 Re-installed 2001-01-09's patch:
4158 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4159 if it's wider than long and the target's long is wider than the
4162 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4164 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4165 directly include rs6000/rs6000.h. Instead do it in tm.h.
4167 2001-05-02 Stan Shebs <shebs@apple.com>
4169 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4170 NSConstantString for NeXT-style runtimes.
4171 (STRING_OBJECT_GLOBAL_NAME): New macro.
4172 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4173 OCTI_STRING_CLASS_DECL.
4174 (constant_string_global_id): New macro.
4175 (string_class_decl): Ditto.
4176 (setup_string_decl): New function.
4177 (build_objc_string_object): Use it to build a NeXT runtime
4178 compatible string initializer.
4180 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4182 * tradcpp.c (do_define): Make sure we don't walk past limit.
4184 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4186 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4187 offsets if not REG_OK_STRICT.
4189 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4190 (INT_REG_OK_FOR_INDEX_P): Likewise.
4191 (INT_REG_OK_FOR_BASE_P): Likewise.
4192 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4193 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4194 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4195 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4196 REG_OK_FOR_BASE_P. Take an additional parameter.
4197 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4198 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4199 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4200 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4201 rs6000_legitimate_address() and use it.
4202 * config/rs6000/rs6000.c: Update all callers.
4203 (rs6000_legitimate_address): New function.
4205 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4207 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4208 special_constant conditional blocks together.
4210 2001-05-02 Dale Johannesen <dalej@apple.com>
4212 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4214 (STRICT_ARGUMENT_NAMING): Define.
4215 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4216 function_arg_partial_nregs, setup_incoming_varargs): Remove
4217 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4220 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4222 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4224 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4227 * expr.c (store_field): Do nothing except elaborate side-effects if
4230 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4232 * c-lex.c: NULL_PTR -> NULL.
4234 * emit-rtl.c: Likewise.
4236 * genpeep.c: Likewise.
4238 * mips-tdump.c: Likewise.
4239 * reload1.c: Likewise.
4240 * rtlanal.c: Likewise.
4242 * stor-layout.c: Likewise.
4243 * toplev.c: Likewise.
4245 2001-05-01 Per Bothner <per@bothner.com>
4247 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4248 call do_pending_stack_adjust before emiting label.
4250 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4252 * extend.texi: Fix typo.
4254 2001-05-01 Stan Shebs <shebs@apple.com>
4256 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4257 of UOBJC_MODULES_decl.
4258 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4259 (generate_descriptor_table): Ditto.
4260 (generate_protocols): Ditto.
4261 (generate_protocol_list): Ditto.
4262 (generate_classref_translation_entry): Ditto.
4264 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4266 * invoke.texi (Optimize Options): Add documentation for `--param
4267 max-delay-slot-insn-search' and `--param
4268 max-delay-slot-live-search' and reorder --param section.
4269 * params.def: Modify initial comment.
4270 * params.h (param_info): Add `help' member.
4271 * toplev.c (lang_independent_params): Include `help' description.
4272 (display_help): Print --param parameters.
4274 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4276 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4277 Remove references to deleted files.
4278 (*-*-openbsd): No need to override xmake_file.
4279 (*-*-sysv4): Treat like *-*-sysv.
4281 * configure.in: Probe for ldopen in various places, and set up
4282 collect2 to be linked with them if found.
4283 Don't dink with Windows registry stuff unless $host_os is a
4284 Win32 os name. Check to see if we need -ladvapi32.
4285 * configure: Regenerate.
4287 * Makefile: Get rid of CLIB and HOST_CLIB.
4288 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4289 * build-make: Get rid of HOST_CLIB.
4291 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4292 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4293 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4294 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4295 config/rs6000/x-rs6000: Delete.
4297 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4300 24 x-host fragments remain, 0 x-cpu, 3 top level.
4302 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4304 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4305 * configure: Regenerate.
4307 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4309 * Makefile.in (install-headers): Remove redundant dependency.
4311 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4313 * c-tree.texi (USING_STMT): Document.
4315 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4317 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4318 * c-common.c: Likewise.
4319 * c-decl.c: Likewise.
4320 * combine.c: Likewise.
4321 * rs6000.c: Likewise.
4322 * except.c: Likewise.
4323 * explow.c: Likewise.
4325 * fold-const.c: Likewise.
4326 * function.c: Likewise.
4329 * integrate.c: Likewise.
4331 * objc/objc-act.c: Likewise.
4332 * recog.c: Likewise.
4333 * reg-stack.c: Likewise.
4334 * reload.c: Likewise.
4335 * reload1.c: Likewise.
4336 * simplify-rtx.c: Likewise.
4338 * varasm.c: Likewise.
4340 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4342 * diagnostic.def: New file.
4343 * diagnostic.h (diagnostic_t): New enum.
4344 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4346 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4348 * tsystem.h: Test only POSIX for availability of string.h
4350 * config.gcc (all systems): If USG appeared in xm_defines,
4351 change it to POSIX. If both USG and POSIX appeared, just
4352 delete USG. Remove unnecessary quotes around xm_defines
4354 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4355 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4356 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4357 powerpc-*-linux*): No need to set xm_defines - handled by
4358 global settings for *-*-linux*.
4360 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4362 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4363 Always include gstab.h, not system stab.h. Don't provide
4364 default definitions of N_CATCH or N_OPT. Always use the
4365 gstab.h variant of STAB_CODE_TYPE.
4366 * final.c: Don't include stab.h/gstab.h at all, or provide
4367 defaults for N_SLINE and N_SOL.
4369 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4370 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4372 * sdbout.c: Always include gsyms.h instead of system syms.h.
4374 * configure.in: No need to check for stab.h.
4375 * configure, config.in: Regenerate.
4376 * Makefile.in (final.o): Don't depend on gstab.h.
4378 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4379 Richard Henderson <rth@redhat.com>
4381 * extend.texi: Improve documentation of volatile asms.
4383 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4385 * c-tree.texi: Fix thinko.
4386 * gcc.texi: Likewise.
4388 2001-04-30 Richard Henderson <rth@redhat.com>
4390 * c-common.c (c_promoting_integer_type_p): New function, from the
4391 corpse of old macro. Properly promote too-small enumerations and
4392 booleans. Adjust all callers.
4393 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4394 (c_promoting_integer_type_p): Declare.
4395 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4396 * c-typeck.c: Likewise.
4397 (default_conversion): Remove now redundant boolean check.
4399 2001-04-30 Jan Hubicka <jh@suse.cz>
4400 Richard Henderson <rth@redhat.com>
4402 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4404 (combine_stack_adjustments_for_block): Don't combine stack
4405 allocation followed by deallocations. Handle grow-up stacks.
4407 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4409 * fdl.texi: New file.
4410 * c-tree.texi: Use the GFDL.
4411 * gcc.texi: Likewise.
4413 2001-04-30 Stan Shebs <shebs@apple.com>
4415 * invoke.texi: Add a section documenting Objective-C options.
4417 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4419 * emit-rtl.c (try_split): Copy EH notes to sequence.
4421 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4423 * regmove.c (record_stack_memrefs): Catch all references to the
4426 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4428 * Makefile.in (stmp-fixinc): quote shell assignment values
4430 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4432 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4436 * prefix.c: Likewise.
4438 2001-04-28 Stan Shebs <shebs@apple.com>
4440 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4441 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4442 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4443 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4445 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4446 (NEXT_OBJC_RUNTIME): Define.
4448 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4450 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4451 * simplify-rtx.c (simplify_gen_relational): Likewise.
4453 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4455 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4456 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4458 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4459 registers in SSE case; fix handling of the immediates.
4460 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4461 operands to be in regsiters before reload.
4462 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4463 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4464 (abstf,absxf,negtf,negxf splitters): Compute
4465 properly the regnum for x86_64.
4466 (avsdf2_if_rex64): New.
4468 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4470 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4471 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4472 into the constant pool.
4473 * jump.c (jump_optimize_1): Remove barrier successors after all
4474 the LABEL_NUSES counds have been computed.
4475 (delete_barrier_successors): When deleting a tablejump insn, also
4476 delete the jump table it uses.
4477 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4480 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4482 * pa.c (FRP): Remove erroneous white space in macro definition.
4484 2001-04-28 Andreas Jaeger <aj@suse.de>
4486 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4488 * extend.texi: Likewise.
4489 * tm.texi: Likewise.
4491 2001-04-28 Andreas Jaeger <aj@suse.de>
4493 * md.texi: Use XX-bit instead of XXbit or XX bit where
4496 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4498 * gcc.c (process_command): Allow -l lib in addition to -llib
4499 for POSIX compliance. This fixes PR c/2347.
4501 * invoke.texi: Update section on Link Options accordingly.
4503 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4505 * function.c (purge_addressof_1): Remove the duplicate
4506 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4509 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4511 * except.c (expand_eh_region_start): Don't start a new block.
4512 (expand_eh_region_end): Don't end a block.
4513 * stmt.c (expand_end_bindings): Don't end EH blocks.
4514 (expand_decl_cleanup): Starting an EH region won't change the block.
4515 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4516 (is_eh_region): Lose.
4519 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4521 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4523 * collect2.c (main): Add `-L' case to remove duplicate entries.
4524 (is_in_args): New function to check for a duplicate argument.
4525 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4526 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4527 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4528 Define to be nonzero.
4530 2001-04-27 Andreas Jaeger <aj@suse.de>
4531 Richard Henderson <rth@redhat.com>
4533 * md.texi (Machine Constraints): Document additional i386
4534 constraints and fix description of "A".
4536 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4538 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4540 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4542 * except.c (get_exception_filter): word_mode, not Pmode.
4544 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4546 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4547 common to other movsf patterns. Move up so that in future
4548 people who change the other patterns will change it too.
4549 (movsf_lo_sum): Allow even for soft-float; add appropriate
4551 (movsf_high): Likewise.
4552 (movsf_high+1): Allow even for soft-float.
4554 * function.c (expand_function_end): Always clobber the
4555 return registers, even if there is no return label.
4557 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4559 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4561 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4563 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4564 (pushqi2_rex64, pushhi2_rex64): Add.
4566 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4568 * except.c (expand_eh_region_end_cleanup): Force pending stack
4569 adjust before emitting label that branches around cleanup code.
4571 2001-04-26 H.J. Lu (hjl@gnu.org)
4573 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4575 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4577 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4578 (ASM_OUTPUT_SECTION_NAME): Likewise.
4579 (ASM_WEAKEN_LABEL): Likewise.
4580 (UNIQUE_SECTION): Likewise.
4581 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4582 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4583 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4584 (ASM_OUTPUT_SECTION_NAME): Likewise.
4585 (ASM_WEAKEN_LABEL): Likewise.
4586 (UNIQUE_SECTION): Likewise.
4587 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4588 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4589 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4590 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4591 (ASM_FILE_START): Likewise.
4592 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4593 (ASM_DECLARE_OBJECT_NAME): Likewise.
4594 (ASM_FILE_END): Likewise.
4595 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4596 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4597 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4598 (ASM_OUTPUT_CASE_LABEL): Likewise.
4599 (ASM_OUTPUT_SKIP): Likewise.
4600 (ASM_OUTPUT_ASCII): Likewise.
4601 (ASM_OUTPUT_IDENT): Likewise.
4602 (READONLY_DATA_SECTION): Likewise.
4603 (EXTRA_SECTIONS): Likewise.
4604 (EXTRA_SECTION_FUNCTIONS): Likewise.
4605 (SELECT_RTX_SECTION): Likewise.
4606 (SELECT_SECTION): Likewise.
4608 * config/mips/linux.h (INVOKE__main): Undefine.
4609 (CTOR_LIST_BEGIN): Likewise.
4610 (CTOR_LIST_END): Likewise.
4611 (DTOR_LIST_BEGIN): Likewise.
4612 (DTOR_LIST_END): Likewise.
4613 (SET_ASM_OP): Defined it to ".dummy".
4614 (ASM_OUTPUT_DEF): Defined.
4615 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4617 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4619 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4620 assembler supports .p2align.
4622 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4624 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4626 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4628 * integrate.c (expand_inline_function): Check for error_mark_node
4631 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4633 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4636 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4638 * configure.in (configargs.h): Define thread_model.
4639 * configure: Rebuilt.
4640 * gcc.c (main): Print it with -v.
4642 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4644 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4645 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4646 * gcc.1: Regenerate.
4648 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4650 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4651 is_redundant_typedef): Use static inline instead of inline static.
4653 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4655 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4656 this directory is always searched.
4658 2001-04-25 Richard Henderson <rth@redhat.com>
4660 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4661 of registers to restore along non eh_return path.
4663 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4665 * c-format.c (check_format_info_recurse): Handle
4666 PLUS_EXPR for format string.
4668 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4670 * config/ia64/ia64.h (CC1_SPEC): Define.
4671 * config/ia64/linux.h (CC1_SPEC): Define.
4673 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4675 * emit-rtl.c (constant_subword): Also do sign extension in
4676 BITS_PER_WORD == 16 case.
4678 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4680 * loop.c (try_swap_copy_prop): Go back to checking insn.
4682 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4684 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4685 if check_mode is non-zero.
4687 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4689 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4690 out and comparison sequence has been detected, put result into
4691 proper temporary pseudo.
4693 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4695 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4696 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4697 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4698 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4699 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4700 for future reference.
4702 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4704 * except.c (reachable_handlers): Step out one level from a RESX.
4706 * except.c (struct eh_region): Rename 'last' to 'resume'.
4707 (mark_eh_region, duplicate_eh_region_1): Adjust.
4708 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4709 (build_post_landing_pads): Likewise.
4710 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4711 (expand_eh_region_end_must_not_throw): Likewise.
4712 (connect_post_landing_pads): Thread (only) regions with non-deleted
4715 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4716 registers around the cleanup.
4717 (get_exception_filter): New fn.
4718 (finish_eh_generation): Use it.
4720 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4722 * c-semantics.c (add_scope_stmt): Don't call
4723 current_scope_stmt_stack multiple times.
4725 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4726 Nathan Sidwell <nathan@codesourcery.com>
4728 Lazy __FUNCTION__ generation.
4729 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4730 RID_C99_FUNCTION_NAME): New _RIDs.
4731 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4732 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4733 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4735 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4736 (c99_function_name_decl_node, function_name_decl_node,
4737 pretty_function_name_decl_node, saved_function_name_decls):
4739 (struct language_function): Remove x_function_name_declared_p.
4740 (make_fname_decl): Remove a parameter.
4741 (declare_function_names): Remove prototype.
4742 (start_fname_decls, finish_fname_decls): Prototype.
4743 (fname_as_string): Likewise.
4744 (fname_string, fname_decl): Likewise.
4745 * c-common.c (make_fname_decl): Adjust.
4746 (struct fname_var_t): New struct.
4747 (fname_vars): New static array.
4748 (declare_function_name): Remove.
4749 (start_fname_decls, finish_fname_decls): New functions.
4750 (fname_as_string): New function from remnants of
4751 declare_function_name.
4752 (fname_string, fname_decl): New functions.
4754 * c-decl.c (c_function_name_declared_p): Remove.
4755 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4756 don't call declare_function_name. Call start_fname_decls.
4757 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4758 clobber the line number. Call finish_decl.
4759 (start_function): Call start_fname_decls.
4760 (finish_function): Call finish_fname_decls.
4761 Remove c_function_name_declared_p.
4762 (push_c_function_context): Don't push c_function_name_declared_p.
4763 (pop_c_function_context): Don't pop c_function_name_declared_p.
4764 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4765 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4766 (program): Call finish_fname_decls for C.
4767 (primary): Add VAR_FUNC_NAME.
4768 (reswords): Add slots for __FUNCTION__ et al.
4769 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4770 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4771 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4772 * c-semantics.c (prune_unused_decls): Remove.
4773 (finish_stmt_tree): Don't call prune_unused_decls.
4774 (genrtl_decl_stmt): Don't prune unused decls here.
4776 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4778 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4779 constant pool, use the pool's SYMBOL_REF instead.
4781 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4784 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4786 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4787 passing nested NOP_EXPRs to fold.
4789 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4791 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4793 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4795 * loop.c (loop_delete_insns): Add prototype.
4797 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4799 * configure.in: Remove ENABLE_STD_NAMESPACE.
4800 * config.in: Regenerated.
4801 * configure: Regenerated.
4803 2001-04-22 Stan Shebs <shebs@apple.com>
4805 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4807 * config/rs6000/xm-darwin.h: Remove file.
4809 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4811 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4812 (write_c_file_stat): Likewise.
4814 * dbxout.c (dbxout_init): Likewise.
4816 * profile.c (output_func_start_profiler): Likewise.
4818 2001-04-22 Philipp Thomas <pthomas@suse.de>
4820 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4821 require it instead of the CVS version.
4822 * cpperror.c (v_message): Put a blank before the macro
4823 body to not confuse exgettext.
4825 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4827 * flow.c (proagate_one_insn): Remove useless assignment.
4828 * jump.c (delete_insn): Tidy.
4829 * loop.c (try_copy_prop): When deleting an instruction with a
4830 REG_RETVAL note, delete the entire libcall sequence.
4831 (loop_delete_insns): New function.
4832 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4833 we're not substituting into them yet.
4835 2001-04-21 Kazu Hirata <kazu@hxi.com>
4837 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4839 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4841 * config/i960/i960.c (signed_arith_operand): Likewise.
4843 * calls.c (expand_call): Fix a comment typo.
4845 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4847 * configure.in: Probe for times, clock, struct tms, and clock_t.
4848 * configure, config.in: Regenerate.
4849 * timevar.c: Replace ifdef forest in get_time with (relatively)
4850 straightforward series of checks based on autoconf's probes.
4852 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4854 * config/pa/som.h (NM_FLAGS): Define.
4856 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4858 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4860 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4861 * ia64.c (nop_cycles_until): New function.
4862 (prev_cycle, prev_first, last_issued): New static variables.
4863 (ia64_sched_reorder): Additional arg for clock.
4864 On final scheduling pass, emit extra NOPs as needed.
4865 Set prev_first and prev_cycle.
4866 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4867 (ia64_variable_issue): Set last_issued.
4869 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4871 * config/i386/i386.c (ix86_expand_int_movcc,
4872 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4874 2001-04-20 Geoff Keating <geoffk@redhat.com>
4876 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4877 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4878 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4879 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4880 ctrdi_internal6): In the short-branch case, this insn is only 4
4881 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4883 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4885 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4886 "=u" is used together with "st" resp. "st(1)" clobber.
4888 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4890 * gcse.c (gcse_main): Fix comment typo.
4891 (delete_null_pointer_check): Likewise.
4892 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4893 * cse.c (cse_insn): Likewise.
4894 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4897 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4899 * toplev.c: Excise all code for the undocumented -dm option.
4900 (float_signal): Call signal just once, unconditionally.
4902 2001-04-19 Geoff Keating <geoffk@redhat.com>
4904 * fold-const.c (fold): Use first_rtl_op rather than
4905 TREE_CODE_LENGTH when looping over parameters of a tree.
4906 Correct strange grouping in test for evaluated SAVE_EXPR.
4908 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4910 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4911 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4913 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4914 name at 32 total characters.
4915 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4916 functions in named sections -- data items can still go into unique
4917 sections, but they have normal names (ie $LIT$ and $DATA$).
4919 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4922 2001-04-19 DJ Delorie <dj@redhat.com>
4924 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4925 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4926 * config/i386/cygwin.h: Likewise.
4927 * config/i386/mingw32.h: Likewise.
4928 * config/vax/vms.h: Likewise.
4929 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4931 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4932 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4933 * config/i386/xm-cygwin.h: Likewise.
4934 * config/i386/xm-djgpp.h: Likewise.
4935 * config/i386/xm-mingw32.h: Likewise.
4936 * config/vax/xm-vms.h: Likewise.
4938 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4939 instead of OBJECT_SUFFIX.
4940 * collect2.c (find_a_file): Look for files matching the extension
4941 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4942 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4943 TARGET_EXECUTABLE_SUFFIX.
4944 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4945 (make_relative_prefix): Likewise.
4946 (convert_filename): Use TARGET_ suffixes throughout. Remove
4948 (process_command): Likewise.
4949 (do_spec_1): Likewise.
4950 * java/lang.c (init_parse): Likewise.
4952 * gcc.texi : Document four new options matching the pattern
4953 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4954 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4955 documentation for NO_AUTO_EXE_SUFFIX.
4957 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4959 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4960 that language-independent processing should not be done.
4961 * toplev.c (main): Adjust accordingly.
4963 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4964 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4966 * mips.md (reload_outputdi): Require that operand0 be a
4969 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4971 * invoke.texi (-Wshadow): Clarify.
4973 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4975 * loop.c (load_mems): Examine all the instructions in the loop
4976 before concluding that all jumps branch to the first instruction
4979 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4981 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4983 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4985 * cpp.texi (-Wwhite-space): Remove.
4986 (-Wall): -Wall does not imply -Wwhite-space.
4988 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4990 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4991 use it instead of blindly generating a .stabs.
4992 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4994 * xcoffout.c: Don't bother defining default for N_CATCH.
4995 (UNKNOWN_STAB): Use internal_error.
4996 (stab_to_sclass): Remove now-unnecessary aborts.
4997 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4999 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
5001 * jump.c (mark_all_labels): Canonicalize the tail recursion
5002 label attached to CALL_PLACEHOLDER insns.
5004 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5006 * output.h (dump_flow_info, free_basic_block_vars,
5007 which_alternative): Delete redundant prototypes.
5009 * rtl.h (bss_section): Likewise.
5011 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
5013 * dbxout.c (N_OPT): Define if not available from <stab.h>
5015 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5017 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5018 libraries and native K&R compilers.
5020 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5022 * c-typeck.c (convert_arguments): Don't check for width changes
5025 * invoke.texi (-Wtraditional): Update documentation.
5027 2001-04-16 Zack Weinberg <zackw@stanford.edu>
5029 * toplev.c (output_lang_identify): Delete.
5030 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5031 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
5032 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5033 after calling ASM_FILE_END.
5035 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5036 Instead, unconditionally emit an N_OPT stab with string equal
5037 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5039 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5041 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5042 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5043 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5044 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5045 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5046 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5047 config/i370/i370.h, config/i386/beos-elf.h,
5048 config/i386/osf1elf.h, config/i386/osfrose.h,
5049 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5050 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5051 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5052 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5053 config/mips/iris6.h, config/mips/osfrose.h,
5054 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5055 config/sparc/sp64-elf.h:
5056 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5057 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5059 * config/elfos.h, config/freebsd.h, config/linux.h,
5060 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5061 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5062 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5063 of ASM_FILE_START which merely emit a .version directive. Delete
5064 definitions of ASM_FILE_END which merely emit an .ident directive.
5066 * config/avr/avr.h, config/vax/vax.h: Delete definition of
5067 ASM_IDENTIFY_GCC and move part of its logic into
5070 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5071 config/sparc/linux-aout.h: Don't emit .version directive in
5074 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5075 (output_file_start): Correct comment.
5077 * config/i386/osfrose.h: Don't emit trailing .ident directive.
5078 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5080 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5081 * config/rs6000/aix.h: Correct comment.
5083 * config/i386/i386afe.h: Delete.
5084 * config.gcc: Remove references to i386afe.h.
5086 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
5087 other macros deleted by this patch were undocumented.
5089 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
5091 * pa.md (reload_outdi): Operand 0 must be a non hard register.
5093 * pa.c (secondary_reload_class): SAR<->FP copies require a
5096 * install.texi (mips-mips-bsd): Update list of functions
5097 required to include memmove.
5098 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5099 used functions to include memmove.
5101 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
5103 * i386.md (sqrtdf2): SFmode should be DFmode.
5105 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
5107 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5108 (find_moveable_store): Likewise.
5110 2001-04-15 Jim Wilson <wilson@redhat.com>
5112 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5114 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5116 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5117 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5119 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5121 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5124 2001-04-14 Alan Modra <amodra@one.net.au>
5126 * pa.c (force_mode): New function.
5127 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5129 2001-04-13 Jim Wilson <wilson@redhat.com>
5131 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5132 (first_instruction): New static variable.
5133 (rtx_needs_barrier): Return 1 for alloc.
5134 (init_insn_group_barriers): Set first_instruction.
5135 (rws_sum): Delete duplicate definition.
5136 (group_barrier_needed_p): Return 0 when first_instruction true.
5137 (safe_group_barrier_needed_p): Save and restore first_instruction
5138 around group_barrier_needed_p call.
5140 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5142 * expr.h (enum libfunc_index): Add LTI_memmove.
5143 (memmove_libfunc): Define macro.
5144 * optabs.c (init_optabs): Initialize memmove_libfunc.
5145 * expr.c (expand_assignment): Use memmove_libfunc instead of
5148 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5150 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5153 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5155 * Makefile.in (reg-stack.o): Depend on reload.h.
5156 (insn-attrtab.o): Depend on flags.h.
5158 * genattrtab (main): Include flags.h in insn-attrtab.c.
5160 * reg-stack.c: Include reload.h.
5162 * sparc.h (flag_pic): Delete redundant declaration.
5164 * output.h (flag_pic): Likewise.
5166 * tree.h (pedantic): Likewise.
5168 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5170 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5172 * jump.c, regmove.c, toplev.c: Include reload.h.
5174 * reload.h (reload_cse_regs): Declare.
5176 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5177 reload_cse_regs, init_reload, mark_home_live, reload,
5178 init_caller_save): Delete redundant prototypes.
5180 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5182 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5184 * regclass.c, ssa.c: Include expr.h.
5186 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5187 gen_move_insn): Delete redundant declarations.
5189 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5191 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5192 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5193 MAKEINFO and MAKEINFOFLAGS too.
5194 (stage4_build): Correctly order -B flags.
5196 2001-04-13 Alan Modra <amodra@one.net.au>
5198 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5199 PIC_OFFSET_TABLE_SAVE_RTX.
5200 (zdepi_cint_p): Describe zdepi insn.
5201 Formatting and white space fixes throughout file.
5203 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5204 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5205 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5206 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5207 (output_64bit_and): Use plain `int's for shift counts.
5208 (output_64bit_ior): Likewise.
5209 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5210 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5213 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5214 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5215 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5216 NEW_HP_ASSEMBLER into one. Kill warnings.
5218 * pa-gas.h: Delete file.
5219 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5220 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5221 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5222 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5224 * config/pa/mill32.S: New file.
5225 * config/pa/mill64.S: New file.
5226 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5227 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5228 * config/pa/t-linux64: New file.
5229 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5230 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5231 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5233 * elfos.h (SELECT_SECTION): Undef before defining.
5234 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5235 (LIB_SPEC): Remove -lmilli.
5236 (DBX_REGISTER_NUMBER): Remove.
5237 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5238 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5239 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5240 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5241 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5242 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5243 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5244 TARGET_GAS): Define.
5245 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5246 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5247 regs if we don't have a prototype.
5248 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5249 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5250 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5251 EH_RETURN_HANDLER_RTX): Define.
5252 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5253 (DWARF_FRAME_REGNUM): Define.
5254 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5255 * pa32-linux.h: New file.
5256 * pa64-linux.h: New file.
5258 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5259 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5260 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5261 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5262 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5263 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5264 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5265 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5266 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5267 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5268 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5269 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5270 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5271 * pa64-hpux.h: New file.
5272 (ASM_FILE_START): Correct typo.
5273 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5274 * config.gcc: Modify for above.
5276 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5278 * jump.c (jump_optimize_1): Don't delete dead stores here.
5279 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5280 prior to running jump optimize before cse2.
5282 2001-04-12 Richard Henderson <rth@redhat.com>
5284 * Makefile.in (regmove.o): Depend on except.h.
5285 * regmove.c: Include it.
5287 2001-04-12 Stan Shebs <shebs@apple.com>
5289 * objc/objc-act.c: Remove all code ifdefed with the never-used
5290 macro OBJC_INT_SELECTORS.
5291 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5292 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5294 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5296 * config/pa/quadlib.c: Add prototypes.
5298 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5300 * bitmap.h (debug_bitmap): Delete redundant prototype.
5302 * rtl.h (get_frame_size): Likewise.
5304 2001-04-12 Jim Wilson <wilson@redhat.com>
5306 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5307 to just emit an fnorm.
5309 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5311 * c-common.h (truthvalue_conversion, type_for_mode,
5312 type_for_size): Delete redundant declarations.
5314 * c-lex.h (is_class_name): Likewise.
5316 * c-tree.h (pedantic, convert, getdecls, gettags,
5317 global_bindings_p, init_decl_processing, insert_block,
5318 maybe_build_cleanup, poplevel, print_lang_decl,
5319 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5320 set_block, incomplete_type_error, build_function_call,
5321 lvalue_or_else, mark_addressable): Likewise.
5323 * expr.h (expand_tree_builtin): Likewise.
5325 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5327 * invoke.texi: Document --param max-gcse-memory.
5329 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5331 * configure.in (errno): Check for declaration.
5332 * configure, config.in: Regenerated.
5334 * system.h (errno): Only declare if not already done.
5336 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5338 * recog.c (general_operand, immediate_operand,
5339 nonmemory_operand): Require CONST_INTs to be sign-extended
5340 values for their modes.
5342 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5344 * expmed.c (store_bit_field): Truncate CONST_INTs.
5345 (expand_mult_highpart, expand_divmod): Likewise.
5346 * expr.c (convert_modes, store_field): Likewise.
5347 * integrate.c (expand_inline_function): Use promote_mode() to
5348 determine whether to convert_modes() an argument as signed
5350 * optabs.c (expand_binop): Get CONST_INT operands
5351 sign-extended for their appropriate modes.
5352 * stmt.c (emit_case_nodes): Convert node values to the
5354 (expand_end_case): Convert minval and range to the appropriate
5356 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5357 the iteration variable.
5358 * varasm.c (immed_double_const): Don't require words to be
5359 narrower than host wide ints to properly sign-extend
5362 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5364 * sh.md (builtin_setjmp_receiver): New expander.
5366 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5368 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5369 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5370 for generating CONST_INT and CONST_DOUBLE.
5372 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5374 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5375 already sign-extended.
5376 (rs6000_emit_prologue): Make register iterator signed.
5377 (rs6000_emit_epilogue): Likewise.
5378 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5380 (movsf split, movdf split): Sign-extend CONST_INTs.
5381 (movdi splits): Likewise.
5383 2001-04-12 Kelley Cook <kelley.cook@home.com>
5385 * config-lang.in (lang_dirs): Add in zlib.
5387 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5389 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5390 operands that make it to RTL.
5392 2001-04-11 Stan Shebs <shebs@apple.com>
5394 Add Darwin (Mac OS X kernel) native support.
5395 * config.gcc (powerpc-*-darwin*): Add native bits.
5396 * config/darwin.c: New file, generic Darwin support functions.
5397 * config/darwin.h: New file, generic Darwin definitions.
5398 * config/darwin-protos.h: New file, generic Darwin prototypes.
5399 * rs6000/darwin.h: New file, Darwin for PowerPC.
5400 * rs6000/t-darwin: New file, Darwin makefile fragment.
5401 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5402 (TARGET_MACHO): Ditto.
5403 (rs6000_abi): Add ABI_DARWIN.
5404 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5405 (RS6000_SAVE_AREA): Ditto.
5406 (FP_ARG_MAX_REG): Ditto.
5407 (RETURN_ADDRESS_OFFSET): Ditto.
5408 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5410 (rs6000_emit_move): Add ABI_DARWIN cases.
5411 (print_operand): Ditto.
5412 (first_reg_to_save): Ditto.
5413 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5414 (debug_stack_info): Ditto.
5415 (rs6000_emit_prologue): Ditto.
5416 (rs6000_emit_epilogue): Ditto.
5417 (output_profiler_hook): Ditto.
5418 (output_function_profiler): Ditto.
5419 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5420 (output_mi_thunk): Add TARGET_MACHO case.
5421 (add_compiler_stub): Ditto.
5422 (output_compiler_stub): Ditto.
5423 (no_previous_def): Ditto.
5424 (output_call): Ditto.
5425 (machopic_output_stub): Ditto.
5426 (rs6000_machopic_legitimize_pic_address): Ditto.
5427 (toc_section): Ditto.
5428 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5429 (macho_high): Ditto.
5432 (load_macho_picbase): Ditto.
5433 (call): Add TARGET_MACHO case to modify function.
5434 (call_value): Ditto.
5435 (call_nonlocal_sysv): Add ABI_DARWIN case.
5436 (call_value_nonlocal_sysv): Ditto.
5437 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5439 (machopic_output_stub): Ditto.
5440 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5442 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5444 * dwarf2out.c (modified_type_die): Don't create new types here.
5445 * tree.h (get_qualified_type): New function.
5446 (build_qualified_type): Adjust comment.
5447 * tree.c (get_qualified_type): New function.
5448 (build_qualified_type): Use it.
5450 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5452 * cpp.texi (-Wtraditional): Update description.
5454 * invoke.texi (-Wtraditional): Likewise.
5456 2001-04-11 Jim Wilson <wilson@redhat.com>
5458 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5459 requires more than 64 bits of alignment.
5461 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5463 * cpplib.c (do_line): Sanity check iff enable checking.
5465 2001-04-11 Richard Henderson <rth@redhat.com>
5467 * Makefile.in (insn-recog.o): Depend on toplev.h.
5468 (insn-emit.o, doloop.o): Likewise.
5469 * genrecog.c, genemit.c: Include toplev.h in generated file.
5470 * doloop.c: Include toplev.h.
5472 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5474 * Makefile.in (gcse.o): Depend on params.h.
5475 * gcse.c: Include params.h.
5476 (gcse_main): Don't do GCSE if doing so will take inordinate
5478 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5479 * params.h (MAX_GCSE_MEMORY): New macro.
5481 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5483 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5485 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5487 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5489 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5491 * real.h (ereal_atof, real_value_truncate, target_isnan,
5492 target_isinf, target_negative, assemble_real, debug_real): Delete
5493 redundant prototypes.
5495 * Makefile.in (ifcvt.o): Depend on toplev.h.
5497 * c-semantics.c: Include expr.h.
5499 * ifcvt.c: Include toplev.h.
5501 * expr.h (rtx_equal_p): Delete prototype.
5503 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5504 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5505 eliminate_constant_term, expand_complex_abs, find_single_use,
5506 make_tree, init_expr_once, init_optabs, supports_one_only):
5509 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5510 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5511 expand_assignment, store_expr, emit_line_note_after,
5512 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5514 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5516 * sparc-protos.h: Delete redundant prototypes.
5518 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5520 * reload.c (push_reload): Add condition missed in SUBREG byte
5523 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5525 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5527 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5529 * i386.md (floatsisf_sse): Fix output template
5530 * i386.c (ix86_expand_fp_movcc)
5532 * reg-stack.c (emit_pop_insn): Handle complex modes.
5533 (move_for_stack_reg): Emit proper move mode.
5534 (subst_stack_regs_pat): Handle complex modes.
5536 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5538 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5540 2001-04-10 Richard Henderson <rth@redhat.com>
5542 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5543 (__pure_virtual, __terminate, __terminate_set_func,
5544 __default_terminate, __throw_type_match, __empty,
5545 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5546 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5547 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5548 Remove prototypes of deleted functions.
5550 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5552 * c-typeck.c (convert_arguments): -Wtraditional now activates
5553 -Wconversion warnings, except for changes in signed-ness.
5554 Detect complex<->int & int<->complex conversions as well.
5556 * invoke.texi (-Wtraditional): Document it.
5558 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5560 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5561 * flow.c (set_block_for_new_insns): Remove needless cast and
5562 properly check for unset block number.
5564 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5566 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5567 the subreg was a hard register. Pseudos are left as subregs.
5569 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5571 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5572 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5573 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5574 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5575 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5577 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5579 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5581 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5583 * output.h (set_block_num): Missed it earlier, remove deprecated
5586 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5588 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5589 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5590 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5591 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5592 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5593 (expr_killed_p): Change bb parameter from int to basic_block, pass
5594 basic_blocks instead of ints as parameters.
5595 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5596 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5597 from int to basic_block, pass basic_blocks instead of ints as parms.
5598 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5599 parameter from int to basic_block, pass basic_blocks instead of ints.
5600 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5601 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5602 pass basic_blocks instead of ints.
5603 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5604 basic_blocks instead of ints as parameters.
5605 (pre_delete): Pass basic_blocks instead of ints as parameters.
5606 (hoist_expr_reaches_here_p): Change bb parameter from int to
5607 basic_block, pass basic_blocks instead of ints.
5608 (hoist_code): Pass basic_blocks instead of ints as parameters.
5609 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5610 Change bb parameter from int to basic_block.
5611 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5612 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5613 pass basic_blocks instead of ints.
5614 (insert_store): Pass basic_blocks instead of ints as parameters.
5615 (replace_store_insn, delete_store): Change bb parameter from int to
5616 basic_block, pass basic_blocks instead of ints.
5617 (store_motion): Pass basic_blocks instead of ints as parameters.
5619 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5621 * basic-block.h (set_new_block_for_insns): New Prototype.
5622 (set_block_num): Delete prototype.
5623 * flow.c (set_block_num): Remove obsolete function.
5624 (set_block_for_new_insns): Set BB for single or multiple insns.
5625 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5626 (process_insn_end_bb): Use set_block_for_new_insns or
5627 set_block_for_insn instead of set_block_num.
5628 (pre_insert_copy_insn): Use set_block_for_new_insns.
5629 (update_ld_motion_stores): Use set_block_for_new_insns.
5630 (insert_insn_start_bb): Use set_block_for_new_insns.
5631 (replace_store_insn): Use set_block_for_new_insns.
5633 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5634 Jeff Law <law@redhat.com>
5636 * alias.c (get_addr): Externalize.
5637 (canon_true_dependence): New function. Behaves like true_dependance
5638 except it already assumes a MEM has been canonicalized.
5639 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5640 * gcse.c (struct ls_expr): Add load/store expressions structure.
5641 (modify_mem_list, canon_modify_mem_list): New variable.
5642 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5643 load motion and store motion if requested.
5644 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5645 (free_gcse_mem): Free the modify_mem_list array.
5646 (oprs_unchanged_p): Use load_killed_in_block_p.
5647 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5648 (mems_conflict_for_gcse_p): New function. Don't kill loads
5649 with stores to themselves if its in the load/store expression list.
5650 (load_killed_in_block_p): New function.
5651 (canon_list_insert): New Function.
5652 (record_last_mem_set_info): Keep a list of all instructions which
5653 can modify memory for each basic block.
5654 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5655 (oprs_not_set_p): Use load_killed_in_block_p.
5656 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5657 (expr_killed_p): Use load_killed_in_block_p.
5658 (compute_transp): Do not pessimize memory references.
5659 (pre_edge_insert): Update stores for a load motion expression.
5660 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5661 (ldst_entry): Find or create a ldst_expr structure.
5662 (free_ldst_entry): Free memory for an individual item.
5663 (free_ldst_mems): Free entire load/store expression list.
5664 (print_ldst_list): Print debug info.
5665 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5666 (enumerate_ldsts): Assign integer values to each entry in list.
5667 (first_ls_expr): First expression in the list.
5668 (next_ls_expr): Next expression in the list.
5669 (simple_mem): Check if expression qualifies for ld/st expression list.
5670 (invalidate_any_buried_refs): Remove from expression list if its
5671 used in some other way we dont understand.
5672 (compute_ld_motion_mems): Find all potential enhanced load motion
5674 (trim_ld_motion_mems): Remove any expressions which are invalid.
5675 (update_ld_motion_stores): Copy store values to registers for loads
5676 which have been moved.
5677 (regvec, st_antloc, num_store): New global statics.
5678 (reg_set_info): Marks registers as set.
5679 (store_ops_ok): Verfies registers expressions are valid in a block.
5680 (find_moveable_store): Look for moveable stores in a pattern.
5681 (compute_store_table): Find stores in a function worth moving, maybe.
5682 (load_kills_store): Check dependance of a load and store.
5683 (find_loads): Find any loads in a pattern.
5684 (store_killed_in_insn): Check if a store is killed in an insn.
5685 (store_killed_after): Check is store killed after an insn in a block.
5686 (store_killed_before): Check is store killed before an insn in a block.
5687 (build_store_vectors): Generate the antic and avail vectors.
5688 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5689 (insert_store): Add a store to an edge.
5690 (replace_store_insn): Replace a store with a SET insn.
5691 (delete_store): Delete a store insn.
5692 (free_store_memory): Free memory.
5693 (store_motion): Perform store motion.
5694 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5695 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5696 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5697 (f_options): Add gcse-lm and gcse-sm.
5699 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5701 * i386.c (expand_fp_movcc): Fix condition reversal code.
5703 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5704 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5705 (CLASS_MAX_NREGS): Use it.
5707 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5708 handle properly complex values.
5709 (CLASS_MAX_NREGS): Likewise; update comment.
5711 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5713 * ia64.c (ia64_flag_schedule_insns2): New variable.
5714 (ia64_override_options): Initialize it. Clear
5715 flag_schedule_insns_after_reload.
5716 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5718 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5720 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5721 Do not require source to match destination anymore;
5722 Add abort to the nontrivial cases that should be handled by split.
5723 (fix_trunc?fdi): Add SSE case for x86_64.
5724 (floatdi?f): Likewise.
5725 (floatdi?f_sse): New.
5726 (fix_trunc?fdi_sse): New.
5728 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5730 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5731 (DEBUG_ARANGES_END_LABEL): Ditto.
5732 (dwarfout_init): Generate length and version fields at the start
5733 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5734 after the length field.
5735 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5736 the .debug_aranges info.
5738 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5740 * i386.c (call, call_value): Make sure that resulting call_insn
5741 does have proper second operand.
5743 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5745 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5746 function. Remove include of sys/cygwin.h.
5748 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5750 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5751 (CPP_SPEC): Always search */include/w32api for header files.
5752 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5753 (LINK_SPEC): Add "cyg" to the library search prefixes.
5755 2001-04-08 Philip Blundell <philb@gnu.org>
5757 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5759 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5761 * cpperror.c (print_location): Don't special case <stdin>.
5762 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5763 WARNING, but we don't check if we're in system headers.
5764 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5765 * cpplib.c (do_warning): Warn in system headers.
5767 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5769 * mbchar.c: Include config.h first.
5771 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5773 * config.gcc: Set default for xmake_file at top, not bottom.
5774 Change places that set xmake_file to "none" to set to the
5775 empty string instead, or remove them entirely if there is no
5776 default xmake_file for this cpu_type. Remove references to
5779 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5780 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5781 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5782 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5783 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5784 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5785 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5786 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5787 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5788 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5791 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5792 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5793 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5794 config/mips/x-sysv, config/rs6000/x-aix31:
5795 Just set CLIB to -lld or -lmld, as appropriate.
5797 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5798 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5799 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5800 config/mips/x-iris, config/pa/x-pa:
5801 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5802 OTHER_FIXINCLUDES_DIRS.
5804 * config/i386/x-djgpp: Don't set LN or LN_S.
5805 * config/m88k/x-dolph: Don't define __m88k__.
5806 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5807 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5808 * config/i860/fx2800.h: No need to #undef SVR4.
5810 38 x-host fragments remain, 2 x-cpu.
5812 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5814 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5816 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5818 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5820 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5822 * configure.in: Add check for lstat.
5823 * configure, config.in: Regenerate.
5824 * cppinit.c (append_include_chain): Make empty path ".".
5825 * cpplib.c (do_line): Don't simplify #line paths.
5826 * cppfiles.c (remove_component_p): New function.
5827 (find_or_create_entry): Acknowledge stat () errors during
5828 path simplification.
5829 (handle_missing_header): Don't simplify paths.
5830 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5831 the empty path untouched. Don't leave a trailing '/'.
5833 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5835 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5836 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5838 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5840 * cppfiles.c (open_file): Fail directories silently, but
5841 with an errno of NOENT set.
5842 (read_include_file): Move the common exit code to the sole
5843 caller. Return an int indicating success or failure. Let
5844 open_file handle directories.
5845 (stack_include_file): If read_include_file fails,
5846 push a "null" buffer.
5848 2001-04-05 DJ Delorie <dj@redhat.com>
5850 * function.h (virtuals_instantiated): Declare.
5851 * function.c: (virtuals_instantiated): Make global.
5852 * calls.c (emit_library_call_value_1): Use
5853 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5854 Otherwise, use the stack pointer directly.
5856 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5858 * i386.c (x86_initialize_trampoline): New global function.
5859 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5860 (INITIALIZE_TRAMPOLINE): Move offline.
5861 * i386-protos.h (x86_initialize_trampoline): Declare.
5863 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5865 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5866 (lea_0): Rename to lea_1.
5867 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5868 (lea_general_?): Allow SImodes on TARGET_64BIT
5869 (lea_general_?_zext): New patterns.
5870 (call_1, call_1_rex64): Fix.
5872 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5874 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5876 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5878 * i386.c (function_arg): Return constm1_rtx for last argument.
5879 (ix86_expand_prologue): Update gen_call calls.
5880 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5881 * i386.md (call_pop): Likewise.
5882 (call): Second operand is VOIDmode.
5883 (call_0): Likewise; Support 64bits.
5884 (call_exp): New expander.
5885 (call_1): Get to the sync.
5886 (call_1_exp): New pattern.
5887 (call_value): Support 64bit.
5888 (call_value_exp): New pattern.
5889 (untyped_call): Update gen_call call.
5890 (call_value_pop): Disable for 64bit.
5891 (call_value_0_rex64): New pattern.
5892 (call_value_1_rex64): Likewise.
5894 2001-04-05 Bo Thorsen <bo@suse.de>
5896 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5898 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5900 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5901 satisfies ANY_QI_REG_P.
5903 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5905 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5908 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5911 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5913 * config.gcc: Remove default for xm_file. Clean up local
5914 machine type handling. Remove settings of xm_file to
5915 something that doesn't exist. In the big switch, set xm_file,
5916 don't append to it (the value before the big switch is always
5917 null). Don't force build_xm_file or host_xm_file to have a value.
5918 * configure.in: Remove default for xm_file. Do not special
5919 case $cpu/xm-$cpu.h not existing.
5920 * configure: Regenerate.
5922 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5924 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5925 when folding integer division and modulo operations.
5927 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5929 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5930 instead of DWARF2_ADDR_SIZE for EH addresses.
5931 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5934 2001-04-04 Richard Henderson <rth@redhat.com>
5936 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5937 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5938 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5940 2001-04-04 Richard Henderson <rth@redhat.com>
5942 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5943 * configure: Rebuilt.
5945 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5947 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5948 push insns to delete to it instead of deleting them.
5949 (delete_null_pointer_checks): Delete insns from delete_list after
5950 all delete_null_pointer_checks_1 passes are done.
5952 2001-04-04 Richard Henderson <rth@redhat.com>
5954 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5955 * configure: Rebuilt.
5957 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5959 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5960 * config/romp/xm-romp.h: Delete.
5962 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5964 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5967 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5969 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5970 all labels present in rtx.
5971 (try_split) Call new function for all split insns.
5973 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5975 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5976 sure the change won't be validated.
5978 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5980 * rtl.h (set_noop_p): Declare.
5981 * flow.c (set_noop_p): Move from here ...
5982 * rtlanal.c (set_noop_p): ... to here and enhance.
5983 * cse.c (delete_trivially_dead_insns): Use it.
5984 * gcse.c (hash_scan_set): Likewise.
5985 * jump.c (delete_noop_moves): Likewise.
5986 * recog.c (split_all_insns): Likewise.
5988 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5990 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5991 stack pointer via a LO_SUM. Ditto for setting a temp register
5992 used to save to the stack. Set cfa_temp when setting fp, and
5993 allow matches to cfa_temp in addition to cfa_store when saving
5994 regs. Handle POST_INC and LO_SUM register stores. Document the
5995 changes and errors in rule 12 doco.
5997 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5998 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5999 (load_reg): Move closer to epilogue code.
6000 (DO_FRAME_NOTES): Define to control the following..
6001 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
6002 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
6004 (hppa_expand_epilogue): Likewise.
6006 2001-04-03 Richard Henderson <rth@redhat.com>
6008 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6009 * configure: Rebuild.
6011 2001-04-03 Richard Henderson <rth@redhat.com>
6013 * rtl.h (LCT_THROW): New.
6014 * calls.c (emit_library_call_value_1): Handle it.
6015 * except.c (connect_post_landing_pads): Use it.
6017 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6019 * gansidecl.h: Delete file.
6020 * configure.in: Change all refs to gansidecl.h to use
6021 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
6023 * configure: Regenerate.
6025 * Makefile.in (intl.o): Don't depend on gansidecl.h.
6026 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6027 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6028 Don't include gansidecl.h.
6029 * intl.c, main.c, version.c, fixinc/fixlib.h,
6030 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6033 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6035 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6038 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6040 * config/i386/xm-beos.h, config/i386/xm-isc.h,
6041 config/i386/xm-next.h, config/i386/xm-sco.h,
6042 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6043 config/m88k/xm-m88k.h: Delete.
6045 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6046 * config/romp/xm-romp.h: Don't define bcopy.
6047 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6048 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6050 * config.gcc: Remove references to deleted files.
6052 14 xm-host.h remain, 1 xm-cpu.h.
6054 2001-04-03 Jakub Jelinek <jakub@redhat.com>
6055 David S. Miller <davem@pierdol.cobaltmicro.com>
6056 Andrew MacLeod <amacleod@redhat.com>
6058 Use byte offsets in SUBREGs instead of words.
6060 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6061 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6062 to pass new argument.
6063 (add_stored_regs): Use subreg_regno_offset function.
6064 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6066 (precompute_arguments): Use gen_lowpart_SUBREG.
6067 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6068 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6069 (simplify_set): Rework to use SUBREG_BYTE.
6070 (expand_field_assignment): Use SUBREG_BYTE.
6071 (make_extraction): Use SUBREG_BYTE.
6072 (if_then_else_cond): Use SUBREG_BYTE.
6073 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6074 (gen_lowpart_for_combine): Compute full byte offset.
6075 * cse.c (mention_regs): Use SUBREG_BYTE.
6076 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6077 (canon_hash): Use SUBREG_BYTE.
6078 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6079 (gen_lowpart_if_possible): Formatting.
6080 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6082 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6083 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6084 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6085 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6086 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6087 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6088 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6089 certain invariants about SUBREGs the compiler creates.
6090 (gen_lowpart_SUBREG): New function.
6091 (subreg_hard_regno): New function to get the final register number.
6092 (gen_lowpart_common): Use SUBREG_BYTE.
6093 (gen_imagpart): Spacing nits.
6094 (subreg_realpart_p): Use SUBREG_BYTE.
6095 (gen_highpart): Use SUBREG_BYTE.
6096 (subreg_lowpart_p): Always compute endian corrected goal offset,
6097 even at the byte level, then compare against that.
6098 (constant_subword): New function, pulled out all constant cases
6099 from operand_subword and changed second argument name to offset.
6100 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6101 and call constant_subword to do the work. Return const0_rtx if
6102 looking for a word outside of OP.
6103 (operand_subword_force): Change second arg name to offset.
6104 * expmed.c (store_bit_field): Use SUBREG_BYTE.
6105 (store_split_bit_field): Use SUBREG_BYTE.
6106 (extract_bit_field): Use SUBREG_BYTE.
6107 (extract_split_bit_field): Use SUBREG_BYTE.
6108 (expand_shift): Use SUBREG_BYTE.
6109 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6110 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6111 * flow.c (set_noop_p): Use SUBREG_BYTE.
6112 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6113 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6114 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6116 (optimize_bit_field): Use SUBREG_BYTE.
6117 (purge_addressof_1): Use SUBREG_BYTE.
6118 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6119 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6120 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6121 * gengenrtl.c (special_rtx): Add SUBREG.
6122 * global.c (mark_reg_store): Use SUBREG_BYTE.
6123 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6124 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6125 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6126 final byte offset is congruent to subreg's mode size.
6127 (subst_constants): Use SUBREG_BYTE.
6128 (mark_stores): Use subreg_regno_offset function.
6129 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6130 function and SUBREG_BYTE.
6131 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6132 (reg_is_born): Use subreg_hard_regno.
6133 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6134 endian correction code. Don't combine subregs unless resulting
6135 offset aligns with type. Fix subreg constant extraction for DImode.
6136 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6137 (general_operand): Remove dead mode_altering_drug code.
6138 (indirect_operand): Use SUBREG_BYTE.
6139 (constrain_operands): Use subreg_regno_offset function.
6140 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6141 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6142 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6143 * regs.h (REG_SIZE): Allow target to override.
6144 (REGMODE_NATURAL_SIZE): New macro which target can override.
6145 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6146 on the entire subreg rtx.
6147 (push_reload): Use SUBREG_BYTE in comments and code.
6148 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6149 for hard registers inside subregs.
6150 (operands_match_p): Use subreg_regno_offset.
6151 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6152 containing hard regs.
6153 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6154 corrections when fixing up MEM subregs.
6155 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6156 subreg_regno_offset where appropriate.
6157 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6158 byte endian corrections when fixing up MEM subregs.
6159 (subst_reloads): When combining two subregs, make sure final
6160 offset is congruent to subreg's mode size.
6161 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6162 (refers_to_regno_for_reload_p): Use subreg_regno.
6163 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6164 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6165 correction code for memory subreg fixups.
6166 (forget_old_reload_1): Use subreg_regno_offset.
6167 (choose_reload_regs): Use subreg_regno.
6168 (emit_input_reload_insns): Use SUBREG_BYTE.
6169 (reload_combine_note_store): Use subreg_regno_offset.
6170 (move2add_note_store): Use subreg_regno_offset.
6171 * resource.c (update_live_status, mark_referenced_resources): Use
6172 subreg_regno function.
6173 (mark_set_resources): Use subreg_regno function.
6174 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6175 (subreg_regno_offset, subreg_regno): Define prototypes.
6176 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6177 (gen_lowpart_SUBREG): Add prototype.
6178 * rtl.texi (subreg): Update to reflect new byte offset representation.
6179 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6180 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6181 (reg_overlap_mentioned_p): Use subreg_regno.
6182 (replace_regs); Make sure final offset of combined subreg is
6183 congruent to size of subreg's mode.
6184 (subreg_regno_offset): New function.
6185 (subreg_regno): New function.
6186 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6187 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6188 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6189 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6190 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6191 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6192 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6193 (print_operand): Use SUBREG_BYTE.
6194 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6195 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6196 (arm_reload_out_hi): Use SUBREG_BYTE.
6197 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6198 instead of SUBREG_WORD.
6199 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6200 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6201 SUBREG creation to use byte offset.
6202 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6203 inverted load insns): Fix explicit rtl subregs to use byte
6205 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6206 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6207 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6208 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6209 to use byte offsets.
6210 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6211 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6212 offsets, also make sure it is congruent to SUBREG's mode size.
6213 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6214 unnamed ldob insn): Generate SUBREGs with byte offset.
6215 (zero_extendqihi2): SUBREG's are byte offsets.
6216 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6217 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6218 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6219 zero-extendqisi2): Generate SUBREGs with byte offset.
6220 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6221 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6222 subregs in rtl to use byte offsets.
6223 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6224 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6225 (mips_move_2words): Use subreg_regno_offset.
6226 (mips_secondary_reload_class): Use subreg_regno_offset.
6227 * config/mips/mips.md (DImode plus, minus, move, and logical op
6228 splits): Fixup explicit subregs in rtl to use byte offsets.
6229 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6230 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6231 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6232 rtl to use byte offsets.
6233 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6234 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6235 subregs to use byte offsets.
6236 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6237 Fixup explicit subregs in rtl to use byte offsets.
6238 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6239 and remove byte endian correction code.
6240 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6241 (gen_ashift_hi): Use SUBREG_BYTE.
6242 (regs_used): Use subreg_regno_offset.
6243 (machine_dependent_reorg): Use subreg_regno_offset.
6244 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6245 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6246 (movdf_i4): Subregs are byte offsets now.
6247 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6248 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6249 (REGMODE_NATURAL_SIZE): Override.
6250 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6251 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6253 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6254 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6255 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6256 it is congruent to SUBREG's mode size.
6257 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6259 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6260 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6261 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6262 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6263 * config/v850/v850.c (print_operand, output_move_double): Use
6264 subreg_regno function.
6266 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6268 * configure.in (target_subdir): Use target_alias, not target.
6269 * configure: Rebuilt.
6271 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6273 * config/sh/crti.asm: Fix typos in comments.
6275 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6277 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6278 TARGET_FAST_INDIRECT_CALLS.
6279 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6281 (return_addr_rtx): Short circuit export stub matching when
6282 TARGET_NO_SPACE_REGS.
6283 (output_millicode_call): For out of range calls, make -fPIC
6284 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6285 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6286 * pa.md: Modify length attr calculation of all millicode insns to
6289 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6291 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6292 Require at least 2.11 in the version test. Specifically check
6293 for and reject GAS version 2.10.90.
6294 * configure: regenerate.
6296 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6298 * pa.c (override_options): Remove PIC profiling warning.
6299 (hp_profile_labelno): Delete.
6300 (hp_profile_label_rtx): Delete.
6301 (hp_profile_label_name): Delete.
6302 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6303 (output_function_prologue): Remove profiling code and all tests on
6304 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6305 merge_sp_adjust_with_store can work for PIC and profiling.
6306 (hppa_expand_epilogue): Remove profile_flag test.
6307 (hppa_can_use_return_insn_p): Likewise.
6308 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6309 cater for PROFILE_HOOK.
6310 (hppa_profile_hook): New function.
6311 * pa.h (FUNCTION_PROFILER): Now does nothing.
6312 (PROFILE_HOOK): Define.
6313 (hppa_profile_hook): Declare.
6314 (PROFILE_BEFORE_PROLOGUE): Delete.
6315 (ASM_OUTPUT_REG_PUSH): Delete.
6316 (ASM_OUTPUT_REG_POP): Delete.
6317 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6318 r24. Accept function name operand, and use this and a locally
6319 generated label to calculate pc-rel offset to func start.
6321 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6323 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6324 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6327 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6329 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6330 LO_SUM cases to where they belong.
6332 2001-04-02 Richard Henderson <rth@redhat.com>
6334 * except.h (lang_eh_type_covers): Mark extern.
6335 (lang_eh_runtime_type): Likewise.
6337 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6339 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6340 gengenrtl.c: Wrap generated header in multiple-include guard.
6341 Improve error checking.
6343 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6345 * configure.in: Don't check for putenv.
6346 * configure: Regenerate.
6347 * gcc.c (putenv): Don't define.
6348 * vax/xm-vms.h: Handle putenv.
6350 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6352 * ifcvt.c (noce_emit_move_insn): New.
6353 (noce_try_store_flag, noce_try_store_flag_constants,
6354 noce_try_store_flag_inc, noce_try_store_flag_mask,
6355 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6356 noce_try_abs): Use it.
6357 (noce_process_if_block): Likewise.
6358 For STRICT_LOW_PART, take mode from its SUBREG.
6360 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6362 * fold-const.c (fold): Before optimizing unsigned comparison with
6363 0x7fffffffU, make sure arg0 is integral type.
6365 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6367 * c-tree.texi: Document representation of wide strings.
6369 2001-04-01 Richard Henderson <rth@redhat.com>
6371 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6373 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6375 * i386.md: remove obsoleted comments.
6376 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6377 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6378 fix output template.
6380 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6382 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6384 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6386 * loop.c (load_mems): When generating a load from a pseudo, update
6389 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6391 * i386.c (ix86_split_long_move): Use change address to compensate
6392 stack pointer change in push instruction.
6394 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6396 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6397 instead of rtx_equal_p; fix the output template.
6399 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6401 * i386.c (ix86_expand_setcc): Support 64bit.
6402 (ix86_expand_int_movcc): Likewise.
6403 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6406 * i386.md (allocate_stack_worker): Turn to expander.
6407 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6409 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6411 2001-03-29 Richard Henderson <rth@redhat.com>
6413 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6415 2001-03-28 Matthew Hiller <hiller@redhat.com>
6417 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6420 * MAINTAINERS: Added self.
6422 2001-03-28 Richard Henderson <rth@redhat.com>
6424 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6425 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6427 2001-03-28 Jim Wilson <wilson@redhat.com>
6429 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6432 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6434 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6436 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6439 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6441 2001-03-28 DJ Delorie <dj@redhat.com>
6443 * Makefile.in (stage1_build): Revert CFLAGS patch.
6445 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6447 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6448 when multiplier or multiplicand is zero.
6450 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6452 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6454 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6456 (set_src_needs_barrier): Likewise.
6457 (rtx_needs_barrier): For SET case, use these two functions. Rework
6458 PARALLEL case to handle all inputs before all outputs.
6459 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6460 saw a label and no stop bit since then.
6461 (maybe_rotate, process_epilogue): Add prototypes.
6463 2001-03-28 Richard Henderson <rth@redhat.com>
6465 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6466 not TARGET_TOC for special toc restore handling.
6467 * config/rs6000/rs6000.md (eh_return): Likewise.
6469 2001-03-28 Richard Henderson <rth@redhat.com>
6471 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6472 current_function_calls_eh_return.
6473 (output_function_epilogue): Handle eh_return.
6474 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6475 (EH_RETURN_DATA_REGNO): New.
6476 (EH_RETURN_STACKADJ_RTX): New.
6477 (EH_RETURN_HANDLER_RTX): New.
6478 * config/sparc/sparc.md (call/short branch peepholes): Check
6479 can_throw_internal instead of in_same_eh_region.
6481 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6482 for eh_return data registers.
6483 (rs6000_emit_prologue): Save eh_return data registers.
6484 (rs6000_emit_epilogue): Force inline restores if eh_return.
6485 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6486 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6487 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6488 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6489 the target uses one.
6490 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6491 (return_eh_si, return_eh_di): Remove.
6492 (eh_return): New, from corpse of eh_epilogue.
6493 (eh_set_lr_si, eh_set_lr_di): New.
6495 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6496 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6497 True for pic register if current_function_calls_eh_return.
6498 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6499 Handle eh_return requirements.
6500 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6501 (EH_RETURN_STACKADJ_RTX): New.
6502 * config/i386/i386.md (exception_receiver): Remove.
6503 (eh_return, eh_return_1): New.
6504 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6506 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6507 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6508 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6509 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6510 (EH_RETURN_DATA_REGNO): New.
6511 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6512 * config/alpha/alpha.md (eh_epilogue): Remove.
6513 (exception_receiver): Use $26 for ldgp input.
6514 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6516 2001-03-28 Richard Henderson <rth@redhat.com>
6518 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6519 * except.h: Likewise.
6521 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6522 (LIB2ADDEHDEP): New.
6523 (LIB2FUNCS_EH): Remove.
6524 (LIB2ADD): Remove LIB2ADDEH.
6525 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6526 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6527 (crt{begin,end}[S].o): Likewise.
6528 (except.o): Update includes.
6529 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6530 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6532 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6533 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6534 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6535 * builtins.c (expand_builtin): Implement it.
6536 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6537 * c-common.c (c_common_nodes_and_builtins): Declare it.
6538 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6539 * calls.c (libfunc_nothrow): Remove.
6540 (emit_library_call_value_1): Don't call it.
6541 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6542 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6543 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6544 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6545 (current_funcdef_number): Globalize.
6546 (output_call_frame_info): Emit frame data if an lsda is needed.
6547 Generate augmentation for personality routine. Don't play with
6549 (dwarf2out_begin_prologue): Record funcdef_number.
6550 * dwarf2out.h (current_funcdef_number): Declare.
6551 * expr.c (expand_expr): Update for except.h name changes.
6552 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6553 * expr.h (LTI_throw, LTI_rethrow): Remove.
6554 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6555 (LTI_eh_rtime_match): Remove.
6556 (LTI_unwind_resume, LTI_eh_personality): Add.
6557 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6558 * final.c (final): Don't call check_exception_handler_labels,
6559 init_insn_eh_region, or free_insn_eh_region.
6560 (final_scan_insn): Always emit debug labels for
6561 NOTE_INSN_EH_REGION notes.
6562 * flags.h (flag_new_exceptions): Remove.
6563 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6564 (record_active_eh_regions): Remove.
6565 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6566 Use can_throw_internal.
6567 (find_basic_blocks_1): Likewise.
6568 (move_stray_eh_region_notes): Remove.
6569 (find_label_refs): No eh_return_stub_label.
6570 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6571 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6573 (delete_unreachable_blocks): Don't track deleted handlers.
6574 (flow_delete_block): Use maybe_remove_eh_handler.
6575 (delete_eh_regions): Remove.
6576 (merge_blocks): Don't check for eh region match.
6577 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6578 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6579 (init_propagate_block_info): Disable dead frame store optimization
6580 when current_function_calls_eh_return.
6581 (dump_bb): Don't print eh_beg, eh_end.
6582 * function.c (fixup_var_refs): No catch_clauses.
6583 (expand_function_end): Likewise. Call expand_eh_return before
6584 the return register use. Call sjlj_emit_function_exit_after.
6585 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6586 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6587 * ifcvt.c (dead_or_predicable): Remove eh region check.
6588 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6589 Don't check for EH vs parameters.
6590 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6591 (expand_inline_function): Call duplicate_eh_regions.
6592 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6593 (copy_insn_notes): Remap REG_EH_REGION notes.
6594 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6595 * integrate.h (struct inline_remap): Add local_return_label.
6596 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6597 check_exception_handler_labels, nor exception_optimize.
6598 (find_cross_jump): No EH region check.
6599 * optabs.c (init_optabs): Update for changed eh libfuncs.
6600 * rtl.def (RESX): New.
6601 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6602 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6603 checks. Update for except.h name changes.
6604 (expand_cleanups): Likewise.
6605 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6606 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6607 (compile_file): Call init_eh before init_optabs. Don't
6608 output_exception_table here.
6609 (rest_of_compilation): Call convert_from_eh_region_ranges,
6610 convert_to_eh_region_ranges, output_function_exception_table.
6611 Don't emit_eh_context.
6612 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6613 (EXC_PTR_EXPR): New.
6615 * md.texi (eh_epilogue): Remove.
6616 (eh_return): Document.
6617 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6618 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6620 * eh-common.h: Remove file.
6621 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6622 * libgcc2.c (L_eh): Remove.
6624 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6625 * unwind-dw2-fde.h: New file.
6626 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6627 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6628 * libgcc-std.ver: Update for eh symbols.
6630 2001-03-27 Richard Henderson <rth@redhat.com>
6632 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6633 reduce false positives.
6634 (regmove_optimize): Disable if flag_non_call_exceptions.
6636 * stmt.c (expand_return): Remove always true predicate.
6637 (expand_decl_cleanup_no_eh): Remove dead code.
6639 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6640 barrier code. Add a scheduling barrier if a non-call insn
6641 can throw internally.
6643 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6644 Auto-inc addresses trap only if their base register does.
6646 * except.c (can_throw_internal): Rename from can_throw.
6647 * except.h, resource.c: Update references.
6649 * integrate.c (copy_insn_list): Use returnjump_p.
6650 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6652 * function.h (struct function): Move all boolean valued fields
6653 to single bit fields at the end of the struct.
6655 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6657 Rename asynchronous_exceptions to flag_non_call_exceptions.
6659 * gthr-single.h (UNUSED): New. Distinguish between how C
6660 and C++ mark unused function arguments. Use throughout.
6662 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6663 value to target configuration header.
6664 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6665 * config.in, configure: Rebuild.
6666 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6667 configuration and target defines.
6668 (exceptions_via_longjmp): Remove.
6669 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6670 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6672 * except.h (flag_non_call_exceptions): Move ...
6673 * flags.h: ... here.
6675 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6676 exceptions, put the note on the trapping instruction.
6678 * flags.h (flag_new_exceptions): Remove.
6679 * toplev.c: Don't set it.
6680 * final.c: Don't check it.
6681 * except.c: Provide stub definition.
6683 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6684 (calculate_global_regs_live): Kill call-clobbered registers
6685 across exception edges.
6686 * reg-stack.c (convert_regs_1): Kill the entire target stack
6687 across non-call exception edges.
6689 * flow.c (cleanup_cfg): Take no argument.
6690 * output.h, sibcall.c, toplev.c: Update all calls.
6692 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6694 * configure.in: Don't check for bcopy.
6695 * configure, config.in: Regenerate.
6697 * system.h: Don't define or prototype bcopy, instead poison it.
6699 2001-03-27 Richard Henderson <rth@redhat.com>
6701 * function.c (expand_function_start): Set DECL_REGISTER on
6702 a pseudo used for DECL_RESULT.
6704 * rtl.h (LCT_NORETURN): New.
6705 * calls.c (emit_library_call_value_1): Handle it.
6707 2001-03-27 Stan Shebs <shebs@apple.com>
6709 * objc/objc-act.c (objc_init): Use dump_base_name.
6710 (gen_declaration): Clear the buffer arg.
6711 (gen_declaration_1): New function, body of gen_declaration.
6712 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6713 (gen_method_decl): Ditto, plus always clear buffer arg.
6714 (error_with_ivar): Simplify.
6715 (warn_with_method): Ditto.
6716 (build_message_expr): Don't clear buffers.
6717 (dump_interface): Ditto.
6718 (objc_debug): Ditto.
6719 (build_keyword_selector): Clear the buffer by only zeroing
6721 (objc_implementation_context): Declare.
6722 (start_class): Warn about missing @end.
6723 (finish_objc): Ditto.
6725 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6727 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6729 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6731 * Makefile.in (SYSTEM_H): Define.
6732 Depend on $(SYSTEM_H), not system.h.
6734 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6736 2001-03-27 Jim Wilson <wilson@redhat.com>
6738 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6740 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6741 (process_epilogue): New static function.
6742 (process_set): Call process_epilogue instead of emitting .restore
6744 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6746 * flow.c (struct reg_cond_life_info): New fields orig_condition
6748 (init_propagate_block_info): Set new fields.
6749 (mark_regno_cond_dead): Set and use new fields.
6750 (flush_reg_cond_reg_1): Likewise.
6751 (and_reg_cond, case AND): Check for redundant AND conditions.
6752 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6755 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6757 * cppmacro.c (stringify_arg): Null terminate strings.
6759 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6761 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6762 inclusion style. xm-m68hc11.h no longer exists.
6763 * config/m68hc11/xm-m68hc11.h: Delete file.
6764 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6766 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6767 Don't define GCC_VERSION, N_, or PARAMS; don't include
6768 gansidecl.h or stdio.h. Define inhibit_libc here.
6769 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6770 Delete code conditioned on #if GCC_VERSION == 2095.
6772 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6773 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6774 Delete code conditioned on #if GCC_VERSION == 2095.
6776 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6778 * system.h: Include symcat.h.
6779 (STRINGIFY): Don't define.
6781 * configure.in: Adjust comment.
6783 * builtins.c: Use STRINGX, not STRINGIFY.
6784 * gencheck.c: Likewise.
6785 * gengenrtl.c: Likewise.
6786 * protoize.c: Likewise.
6788 * cpplex.c: Don't include symcat.h.
6789 * cpplib.c: Likewise.
6791 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6793 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6795 * c-typeck.c (digest_init): Fold init expression.
6797 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6799 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6801 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6803 * except.c (eh_regs): Save results of build_pointer_type to a temp
6804 as FUNCTION_VALUE macro may evaluate its args multiple times.
6806 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6808 * c-common.h (DECL_NUM_STMTS): New macro.
6809 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6811 (pushdecl): Likewise.
6812 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6813 * integrate.c (expand_inline_function): Don't check
6815 * print-tree.c (print_node): Don't print it.
6816 * toplev.c (rest_of_compilation): Don't try to inline when
6817 flag_no_inline is on.
6818 * tree.h (DECL_FRAME_SIZE): Remove.
6819 (tree_decl): Adjust accordingly.
6821 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6823 * combine.c (try_combine): Use memcpy, not bcopy.
6825 * genattrtab.c (expand_units): Likewise.
6827 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6829 * i386.md (push mem DI peep2): New.
6830 (mov 0, mov -1 peep2): Handle 64bit.
6831 (lea to arithmetics peep2): Handle 64bit leas.
6832 (rsp arithmetics to push/pop peep2s): New.
6834 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6836 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6838 * i386.c (struct machine_function): Add save_varrargs_registers.
6839 (ix86_save_varrargs_registers): New macro.
6840 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6841 (ix86_expand_prologue): Likewise.
6842 (ix86_emit_epilogue_esp_adjustement): Likewise.
6843 (ix86_expand_epilogue): Likewise.
6844 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6845 (pro_epilogue_adjust_stack_1): New insn.
6846 (pro_epilogue_adjust_stack_rex64): Likewise.
6847 * i386.h (MASK_NO_RED_ZONE): New constant.
6848 (TARGET_RED_ZONE): New macro.
6849 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6850 (RED_ZONE_SIZE): New constant.
6851 (RED_ZONE_RESERVE): New constant.
6853 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6855 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6857 2001-03-25 Kazu Hirata <kazu@hxi.com>
6859 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6862 (umodhi3): Likewise.
6865 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6867 * mkconfig.sh (DEFINES): Handle entries with '='.
6869 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6870 Set xm_defines to MACRO=value instead.
6872 * i370/xm-mvs.h: Delete.
6874 * ns32k/xm-pc532-min.h: Likewise.
6876 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6878 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6880 use ix86_expand_binary_operator
6881 (?sh??i_?): Disable for 64bit.
6882 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6883 * i386.c (shiftdi_operand): New predicate.
6885 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6886 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6887 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6888 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6889 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6890 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6891 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6892 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6893 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6894 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6895 (rotldi3, rotrdi3): New expanders.
6897 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6899 * i386.md (movstrsi): Move offline.
6901 (strmovdi_rex64): New.
6902 (strmov?i): Accept 64bit.
6903 (strmov?i_rex64): New.
6904 (strmov?i_rex_1): New.
6905 (strmov?i_1): Disable for 64bit.
6906 (rep_mov?i_rex64): New.
6907 (rep_mov?i): Disable for 64bit.
6908 (clrstrsi): Move offline.
6909 (strset?i_rex64): New.
6910 (strset?i: Accept 64bit.
6911 (rep_stos?i): Disable for 64bit.
6912 (rep_stos?i_rex64): New.
6913 (strset?i_rex_1): New.
6914 (strset?i_1): Disable for 64bit.
6915 (cmpstrsi): Accept 64bit.
6916 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6917 (cmpstrqi_nz_rex_1): New.
6918 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6919 (strlensi): Move offline.
6921 (strlenqi_1): Disable for 64bit; fix constraints.
6922 (strlenqi_rex_1): New.
6923 * i386.c (ix86_adjust_counter): New static function.
6924 (ix86_zero_extend_to_Pmode): Likewise.
6925 (ix86_expand_aligntest): Likweise.
6926 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6927 (ix86_expand_movstr): New global function.
6928 (ix86_expand_clrstr): New global function.
6929 (ix86_expand_strlen): New global function.
6930 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6931 ix86_expand_strlen): Declare.
6932 (ix86_expand_strlensi_unroll_1): Delete.
6934 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6936 * i386.md (cmpdi): Fix operand predicates.
6937 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6938 cmpdi_1_insn_rex64): New patterns.
6939 (adddi3): Turn to expander.
6940 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6941 (addsi3_carry_zext): New pattern.
6942 (adddi_?_rex64): New patterns and splitters.
6943 (addsi_?_zext): New patterns.
6944 (subsi3_carry_zext): New pattern.
6945 (subdi_?_rex64): New patterns and splitters.
6946 (iorsi_?_zext): New patterns.
6947 (iordi_?_rex64): New patterns and splitters.
6948 (iorsi_?_zext): New patterns.
6949 (iorsi_?_zext_imm): New patterns.
6950 (xorsi_?_zext): New patterns.
6951 (xordi_?_rex64): New patterns and splitters.
6952 (xorsi_?_zext): New patterns.
6953 (negdi*): New patterns.
6954 (one_cmpldi*): Likewise.
6955 (one_cmplsi*_zext, negsi*_zext): Likewise.
6956 (testqi_ext_3_rex64): New pattern.
6958 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6960 * i386-protos.h (ix86_split_long_move): Return void.
6961 * i386.c (ix86_split_to_parts): Handle 64bit target.
6962 (ix86_split_long_move): Likewise.
6963 * i386.md (all calls to ix86_split_long_move): Update.
6965 2001-03-23 Richard Henderson <rth@redhat.com>
6967 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6968 to avoid shadowing arguments.
6970 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6972 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6973 to variable names where DECL_NAME is different from
6974 DECL_ASSEMBLER_NAME.
6976 2001-03-23 Jim Wilson <wilson@redhat.com>
6978 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6979 (assemble_alias): Call make_decl_rtl.
6981 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6983 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6985 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6987 * extend.texi: Document the "java_interface" attribute.
6989 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6991 * mkconfig.sh: Use a subshell with redirected stdout,
6992 instead of closing stdout and confusing commands that run
6993 afterward. Throw away output of cmp.
6995 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6997 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6999 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
7001 * i386.md (zero_extendsidi2_32): Break out from ...
7002 (zero_extendsidi2): ... here ; turn to expander.
7003 (zero_extendsidi2_rex64): New.
7004 (extendsidi2_32): Break out from ...
7005 (extendsidi2): ... here ; turn to expander.
7006 (extendsidi2_rex64): New.
7007 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7008 (trunc?f?f splitters): Add 64bit versions.
7010 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
7012 * i386.md (pushsi, pushsi2_prologue): Disable.
7013 (pushsi2_rex64): New.
7014 (movabs?i_1_rex64, movabs?i_2_rex64): New.
7015 (movqi_ext_1): Disable for 64bit.
7016 (movqi_ext_1_rex64): New.
7017 (pushdi2_rex64): New pattern, peep2s and splitter.
7018 (pushdi2_prologue_rex64): New pattern.
7019 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7021 (movdi splitters): Disable for 64bit.
7022 (movdi_1_rex64): New pattern, peep2s and splitters.
7023 (swapdi): New pattern.
7024 (pushsf): Disable for 64bit.
7025 (pushsf_rex64): New pattern and splitter.
7026 (pushdf_nointeger): Disable for 64bit.
7027 (pushdf_integer): Handle the 64bit case.
7028 (pushtf): Likewise; update splitters.
7030 2001-03-22 Richard Henderson <rth@redhat.com>
7032 * mkconfig.sh: Include insn-flags.h.
7033 * Makefile.in (CONFIG_H): Include insn-flags.h.
7034 (lots of objects): Remove insn-codes.h and insn-flags.h.
7036 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7037 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7038 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7039 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7040 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7041 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7042 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7043 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7044 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7045 v850/v850.c, vax/vax.c:
7046 Don't include insn-flags.h.
7048 * diagnostic.c, expr.h, reload.c, toplev.c:
7049 Don't include insn-codes.h.
7051 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7052 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7053 c4x/c4x.c, i960/i960.c, mips/mips.c:
7054 Don't include insn-codes.h or insn-flags.h.
7056 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7057 or insn-flags.h in the generated code.
7058 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7059 (main): Forward declare struct rtx_def.
7061 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
7063 * invoke.texi (-ffast-math): Remove duplicate line about
7066 * gcc.texi: Remove more obsolete documentation of bugs and
7067 installation problems.
7069 2001-03-21 Kazu Hirata <kazu@hxi.com>
7071 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7074 2001-03-20 Jason Merrill <jason@redhat.com>
7076 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7078 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7079 * varasm.c (CHKR_PREFIX): Likewise.
7081 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7083 * gcse.c (hash_scan_set): An expression is not anticipatible if it
7084 is part of a multi-SET insn.
7086 * cse.c (find_comparison_args): Remove previous change.
7087 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7090 * config/i386/i386.md (conditional_trap): Remove warning.
7092 * recog.c (push_operand): Fix error in last change that caused
7093 undefined symbol on many targets.
7095 * sdbout.c: #include ggc.h.
7096 (sdbout_init): Move to end of file.
7097 Call ggc_add_tree_root for anonymous_types.
7098 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7099 (sdbout_one_type): Use DECL_NAME for field name.
7100 * Makefile.in (sdbout.o): Show includes ggc.h.
7102 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
7104 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7105 (override_options): Use properlimits for preferred_stack_boundary.
7106 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7108 (ext_register_operand): Accept DImode.
7109 (load_pic_register): Abort on 64bit.
7110 (gen_push): Use Pmode instead of SImode.
7111 (ix86_save_reg): Pic reg is never used on 64bit.
7112 (ix86_expand_prologue): Likewise.
7113 (ix86_emit_save_regs): Use Pmode instead of SImode.
7114 (legitimate_address_p): Check displacement for 64bit.
7115 (print_operand): Avoid outputting of (%rip) on 64bit.
7116 (print_operand_address): Output (%rip) where possible.
7117 (split_di): Abort on 64bit registers.
7118 (ix86_expand_branch): DImode comparison is simple for x86_64.
7119 (memory_address_length): Recognize memory addresses formed using
7121 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7123 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7125 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7127 * recog.c (push_operand): Recognize new format of push instructions.
7129 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7131 * i386.md (pushqi1): New.
7132 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7133 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7134 x86_64_immediate_operand, x86_64_immediate_operand,
7135 x86_64_zext_immediate_operand): Declare.
7136 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7137 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7138 x86_64_immediate_operand, x86_64_immediate_operand,
7139 x86_64_zext_immediate_operand): define.
7140 * i386.h (PREDICATE_CODES): Add new predicates.
7142 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7144 * i386.md (pophi1, popqi1, pushqi1): Remove.
7146 * expr.c (emit_single_push_insn): New function.
7147 (move_by_pieces): Accept NULL as destination for push instructions.
7148 (gen_push_operand): Kill.
7149 (emit_push_insn): Pass NULL when pushing; avoid updating of
7150 stack_pointer_delta.
7151 * expr.h (gen_push_operand): Kill.
7153 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7155 * rtl.texi (COMPARE): Clarify documentation and reference section
7158 2001-03-20 Stan Shebs <shebs@apple.com>
7160 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7161 (get_object_reference): Ditto.
7162 (error_with_ivar): Use error_with_file_and_line.
7163 (warn_with_method): Use warning_with_file_and_line.
7165 2001-03-20 Tom Tromey <tromey@redhat.com>
7167 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7169 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7171 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7172 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7174 2001-03-20 DJ Delorie <dj@redhat.com>
7176 * Makefile.in (install-libgcc): Pass complete list of variables.
7177 (install-multilib): Ditto.
7179 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7181 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7182 drectve_section, switch_to_section.
7184 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7185 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7186 i386_pe_mark_dllimport.
7188 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7190 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7191 functions i386_pe_*.
7193 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7194 i386_pe_* functions with char * arguments.
7196 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7198 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7200 (movsi_ie): Introduce fpul store.
7202 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7204 * Makefile.in (OBJS): Remove hashtab.o.
7206 2001-03-19 Stan Shebs <shebs@apple.com>
7208 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7209 * c-lang.c (maybe_objc_method_name): Ditto.
7210 * c-tree.h (maybe_objc_method_name): Remove decl.
7212 2001-03-19 Tom Tromey <tromey@redhat.com>
7214 * gcc.c (init_gcc_specs): Fix comment.
7216 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7218 Compute DECL_ASSEMBLER_NAME lazily.
7219 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7220 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7221 (SET_DECL_ASSEMBLER_NAME): Likewise.
7222 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7223 (set_decl_assembler_name): Declare.
7224 (lang_set_decl_assembler_name): Likewise.
7225 * tree.c (lang_set_decl_assembler_name): New variab.e
7226 (set_decl_assembler_name): New function.
7227 (init_obstacks): Set lang_set_decl_assembler_name.
7228 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7229 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7230 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7231 where it's not necessary.
7232 (builtin_function): Likewise.
7233 (finish_decl): Likewise.
7234 * dbxout.c (dbxout_type_methods): Likewise.
7235 * ggc-common.c (ggc_mark_trees): Likewise.
7236 * profile.c (output_func_start_profiler): Likewise.
7237 * varasm.c (make_decl_rtl): Likewise.
7239 * cse.c (find_comparison_args): Update documentation. Fix
7240 mishandling of COMPARE operations.
7242 * tree.def (ABS_EXPR): Add documentation.
7243 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7245 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7247 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7249 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7251 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7252 Remove ia32 linux PIC kludge and move it...
7253 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7255 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7257 * i386.md (absdf2 expander): Fix 64bit case.
7259 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7261 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7263 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7265 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7267 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7269 * README.X11: Remove obsolete file.
7271 2001-03-18 Anthony Green <green@redhat.com>
7273 * config/pj/pj.h: Remove some trailing commas.
7274 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7276 2001-03-18 Richard Henderson <rth@redhat.com>
7278 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7279 * calls.c: ... here.
7280 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7281 defaults for them here.
7283 2001-03-17 Anthony Green <green@redhat.com>
7285 * config/pj/lib1funcs.S: Fix broken comment.
7286 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7289 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7291 * gcc.texi: Remove obsolete information relating to build and
7292 installation problems with enquire or the Pyramid C compiler.
7294 2001-03-17 Richard Henderson <rth@redhat.com>
7296 * dwarf2out.c (queue_reg_save): New.
7297 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7298 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7300 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7301 (cfa, cfa_store, cfa_temp): Make static.
7302 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7304 2001-03-17 Richard Henderson <rth@redhat.com>
7306 * integrate.h (struct inline_remap): Add local_return_label.
7307 * integrate.c (expand_inline_function): Initialize it and emit
7308 it after copy_insn_notes.
7309 (copy_insn_list): Don't store local_return_label here.
7310 (copy_insn_notes): New function split out from copy_insn_list.
7312 2001-03-17 Richard Henderson <rth@redhat.com>
7314 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7315 is generating .debug_line.
7316 (dwarf2out_init): Add main_input_filename to the file table first.
7317 * configure.in (as_dwarf2_debug_line): Test with file number 1
7318 instead of file number 0.
7320 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7322 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7323 (gen_rtx_combine): Deleted; all references changed as appropriate.
7324 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7326 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7328 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7330 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7333 2001-03-16 Jim Wilson <wilson@redhat.com>
7335 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7336 then set it to LOC_REG (79) instead of aborting.
7338 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7340 * gccbug.in: Remove high priority.
7342 2001-03-16 Richard Henerson <rth@redhat.com>
7344 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7345 output with a space instead of deleting it.
7346 * configure: Regenerate.
7348 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7350 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7351 handles the gory details of converting an object file into
7352 something that's safe to grep.
7353 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7354 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7355 newlines at either end of the string we're looking for.
7356 Make 'checking ...' message less stilted.
7357 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7358 ARM in-memory layout and its hypothetical converse. Don't
7359 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7360 HOST_WORDS_BIG_ENDIAN.
7362 * configure.in: Adjust for renamed macro. Move
7363 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7364 * configure, config.in: Regenerate.
7366 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7368 * fixinc/Makefile.in: Set SHELL.
7370 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7372 * fixinc/fixincl.c (fix_with_system): Quote file names before
7373 passing them to shell.
7375 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7377 * Makefile.in: Use fix-header$(build_exeext) instead
7380 2001-03-16 Richard Henderson <rth@redhat.com>
7382 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7383 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7384 (size_of_line_prolog): Remove.
7385 (output_line_info): Compute prologue size via label difference.
7386 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7388 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7389 assembler error when redefining file numbers.
7390 * config.in, configure: Rebuild.
7392 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7393 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7394 (dw2_asm_output_delta_uleb128): Likewise.
7395 (dw2_asm_output_delta_sleb128): Similarly.
7396 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7398 2001-03-16 Michael Meissner <meissner@redhat.com>
7400 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7402 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7404 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7406 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7407 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7408 being unsigned in ISO C and signed in traditional.
7409 (expand_prologue): Ditto.
7410 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7412 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7414 (divsi3,divdi3): Ditto.
7415 (modsi3,moddi3): Ditto.
7416 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7417 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7418 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7421 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7423 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7424 SSE based conditional moves on LTGT/UNEQ conditions;
7425 Canonicalize EQ to NE.
7426 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7427 (sse_mov?fcc_ne): New.
7429 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7431 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7433 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7434 register may be dead.
7436 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7438 * Makefile.in (hash.o): Depend on CONFIG_H.
7440 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7442 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7444 2001-03-15 Richard Henderson <rth@redhat.com>
7446 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7447 (ASM_OUTPUT_DWARF_PCREL): New.
7448 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7450 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7452 * cppfiles.c (stack_include_file): Use MAX of sysp.
7454 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7456 * config.gcc (ia64*-*-hpux*): New case.
7457 * config/ia64/hpux.h: New file for HP-UX support.
7458 * config/ia64/t-hpux: New file for HP-UX support.
7460 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7462 * fixinc/inclhack.def (irix_stdio_va_list): New.
7463 * fixinc/fixincl.x: Rebuilt.
7465 2001-03-15 Richard Henderson <rth@redhat.com>
7467 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7468 if provided by the target.
7469 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7470 (dw2_asm_output_addr): New.
7471 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7472 * dwarf2out.c (output_cfi): Use it for program addresses.
7473 (output_call_frame_info, output_die): Likewise.
7474 (output_aranges, output_line_info): Likewise.
7476 2001-03-15 Bruce Korb <bkorb@gnu.org>
7478 * gcc.c(main): make more rigorous
7479 * collect2.c(main): guard against ignoring SIGCHLD
7480 * protoize.c(main): ditto
7481 * gcc/fixinc/fixincl.c(initialize): ditto
7483 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7485 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7486 (sdbout_parms): Likewise.
7488 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7490 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7491 "widen" a destination that is already wider than a word. Also do
7492 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7494 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7496 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7498 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7500 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7502 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7504 * i960.h (i960_maxbitalignment,
7505 i960_last_maxbitalignment): Declare.
7506 * i960.c (i960_maxbitalignment,
7507 i960_last_maxbitalignment): Make global.
7508 (process_pragma): Delete.
7509 (i960_pr_align, i960_pr_noalign): Move from here ...
7510 * i960-c.c: ... to this new file.
7511 * t-960bare (i960-c.o): New rule.
7512 * t-vxworks960 (i960-c.o): Likewise.
7513 * config.gcc (i960-*-*): Define c_target_objs and
7516 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7518 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7519 without adding in rtx code and mode.
7521 * alias.c (init_alias_analysis): Don't use any rtx whose value
7522 varies as a known value.
7523 Delete a superfluous test.
7525 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7527 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7528 scheduling a stop bit.
7529 (ia64_emit_nops): Correctly handle ASMs.
7531 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7533 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7535 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7537 * cpp.texi: Update documentation for -include and -imacros.
7538 * cppfiles.c (struct include_file): Remove "defined" memeber.
7539 (find_or_create_entry): Make a copy of the file name, and
7541 (open_file): Update to ensure we use the simplified filename.
7542 (stack_include_file): Don't set search_from.
7543 (cpp_included): Don't simplify the path name here.
7544 (find_include_file): New prototype. Call search_from to
7545 get the start of the "" include chain. Don't simplify the
7547 (_cpp_execute_include): New prototype. Move diagnostics to
7548 do_include_common. Update.
7549 (_cpp_pop_file_buffer): Don't set defined.
7550 (search_from): New prototype. Use the preprocessor's cwd
7551 for files included from the command line.
7552 (read_name_map): Don't simplify the pathname here.
7553 * cpphash.h (enum include_type): New.
7554 (struct buffer): Delete search from. New search_cached.
7555 (_cpp_execute_include): Update prototype.
7556 * cppinit.c (do_includes): Use _cpp_execute_include.
7557 * cpplib.c (do_include_common): New function.
7558 (do_include, do_include_next, do_import): Use it.
7560 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7562 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7563 contents of the RTL, to determine the name of the object.
7565 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7567 * tree.h (DECL_RTL): Allocate RTL lazily.
7568 (SET_DECL_RTL): New macro.
7569 (DECL_RTL_SET_P): Likewise.
7570 (COPY_DECL_RTL): Likewise.
7571 (DECL_RTL_IF_SET): Likewise.
7572 * varasm.c (make_decl_rtl): Add assertions about the kind of
7573 declaration we are processing.
7574 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7575 (start_decl): Likewise.
7576 (finish_decl): Likewise.
7577 * c-semantics.c (emit_local_var): Likewise.
7578 * calls.c (expand_call): Likewise.
7579 * dbxout.c (dbxout_symbol): Likewise.
7580 * emit-rtl.c (unshare_all_rtl): Likewise.
7581 (unshare_all_decls): Likewise.
7582 (reset_used_decls): Likewise.
7583 * expr.c (store_constructor): Likewise.
7584 (safe_from_p): Likewise.
7585 (expand_expr): Likewise.
7586 * function.c (put_var_into_stack): Likewise.
7587 (instantiate_decls_1): Likewise.
7588 (assign_parms): Likewise.
7589 (expand_function_start): Likewise.
7590 (expand_function_end): Likewise.
7591 * ggc-common.c (gcc_mark_trees): Likewise.
7592 * integrate.c (function_cannot_inline_p): Likewise.
7593 (copy_decl_for_inlining): Likewise.
7594 (expand_inline_function): Likewise.
7595 (integrate_parm_decls): Likewise.
7596 (integrate_decl_tree): Likewise.
7597 * print-tree.c (print_node): Likewise.
7598 * reg-stack.c (stack_result): Likewise.
7599 * stmt.c (label_rtx): Likewise.
7600 (expand_return): Likewise.
7601 (expand_decl): Likewise.
7602 (expand_decl_cleanup): Likewise.
7603 (expand_anon_union_decl): Likewise.
7604 * toplev.c (check_global_declarations): Likewise.
7605 (rest_of_decl_compilation): Likewise.
7606 * tree.c (simple_cst_equal): Likewise.
7607 * objc/objc-act.c (generate_static_references): Likewise.
7609 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7611 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7612 gcc_AC_C_FLOAT_FORMAT): New macros.
7613 * configure.in: Add AC_PROG_CPP after CC tests;
7614 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7615 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7616 * configure, config.in: Regenerate.
7618 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7619 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7620 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7621 config/i370/xm-linux.h, config/i370/xm-oe.h,
7622 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7623 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7624 config/pa/xm-linux.h, config/pa/xm-pa.h,
7625 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7626 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7627 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7628 config/we32k/xm-we32k.h: Delete.
7630 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7631 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7632 config/vax/xm-vms.h: Don't define any of:
7633 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7635 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7637 * config.gcc: Remove references to deleted files.
7638 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7639 FATAL_EXIT_CODE, which is the same between oe and mvs).
7641 2001-03-14 DJ Delorie <dj@redhat.com>
7642 Vladimir Makarov <vmakarov@redhat.com>
7644 * config/i960/i960.c (i960_function_prologue): Compute size of
7645 frame according to number of registers actually saved there.
7647 2001-03-14 Richard Henderson <rth@redhat.com>
7649 * expr.c (emit_move_insn_1): Fix else if around #endif.
7651 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7654 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7657 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7659 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7660 (override_options): Parse cmodel string.
7661 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7662 * i386.h (TARGET_OPTIONS): Add "cmodel".
7663 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7665 (ix86_cmodel_string, ix86_cmodel): Declare.
7667 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7670 * i386.h (GENERAL_REG_P): Add missing REG_P.
7672 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7674 * configure.in: Use $gcc_cv_as instead of $as.
7675 * configure: Regenerated.
7677 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7679 * cppfiles.c (stack_include_file): Only increase the include
7680 count if we actually process the file properly, as opposed
7681 to treating it as length zero. Only call read_include_file
7682 if not DO_NOT_REREAD. Handle the -H include file output
7684 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7685 (cpp_included, find_include_file): Simplify pathnames after
7686 remapping them. If remapping, don't use the remapped file
7687 name's buffer as our scratch buffer.
7688 (cpp_pop_file_buffer): Replace the multiple include macro
7689 only if it isn't yet set.
7690 (read_name_map): Simplify remapped names when reading in.
7691 (remap_filename): Move code to code path that uses it.
7692 (_cpp_simplify_pathname): Return the input pointer.
7693 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7695 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7697 * expr.c (expand_expr): Revove bogus conditional.
7699 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7701 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7703 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7705 * reg-stack.c (stack_result): Unconditionally use
7706 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7708 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7710 * expr.c (emit_move_insn_1): Split push of complex value when
7711 no suitable push instruction exist.
7713 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7714 instead of QI_REG_P.
7716 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7718 * alias.c (handled_component_p, can_address_p): New functions.
7719 (get_alias_set): Use them.
7721 2001-03-13 Jim Wilson <wilson@redhat.com>
7723 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7724 from 80 in try_locals code.
7725 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7727 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7729 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7730 gcc_AC_C_LONG_LONG): New.
7731 * configure.in: Use them. Probe the size of short, int, long,
7732 and long long/__int64 if we have them. Move all the AC_C_*
7733 checks together, except gcc_AC_C_CHAR_BIT which has to go
7734 after AC_CHECK_HEADERS(limits.h).
7735 Take hwint.h out of host_xm_file and build_xm_file.
7737 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7738 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7739 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7740 Move the HOST_WIDEST_INT setup logic here from system.h.
7741 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7743 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7744 is now handled by hwint.h.
7746 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7747 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7748 config/ia64/xm-ia64.h: Don't define any of:
7749 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7750 HOST_BITS_PER_LONGLONG.
7752 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7753 config/h8300/xm-h8300.h, config/mips/iris6.h,
7754 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7755 config/sparc/xm-sp64.h: Delete.
7756 * config.gcc: Remove references to deleted files.
7758 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7759 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7760 * config/i370/xm-linux.h: Clarify floating-point situation in
7763 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7765 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7766 (find_include_file): Decide here which part of the include
7767 chain to start the search. Complain about an empty include
7768 chain in all cases apart from an abolsute file name.
7769 (_cpp_execute_include): Don't choose the search chain here.
7770 Don't call handle_missing_include in the case of an empty
7772 (_cpp_compare_file_date): Don't choose the search chain here.
7773 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7774 here from _cpp_execute_include. Behave like #include if
7775 we're in the main file.
7777 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7779 * system.h (malloc, realloc, calloc, strdup): Only poison these
7780 tokens when IN_GCC is defined.
7782 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7784 * i386.md (abs?f expander): Support SSE case.
7785 (abd?f_if): Add new "USE"; add splitters.
7787 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7789 * cpp.texi (poison): Explain the macro expansion exception.
7791 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7793 * expr.c (store_expr): Add dont_store_target. If temp is already in
7794 target before copying to reg, don't store it into target again.
7796 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7798 * cppinternals.texi: Update for file handling.
7800 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7802 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7803 2001-02-24 which broke building the Java library.
7804 * function.c (identify_blocks): Likewise.
7805 (all_blocks): Likewise.
7806 * integrate.c (integrate_decl_tree): Likewise.
7807 * print-tree.c (print_node): Likewise.
7808 * tree.h (BLOCK_NUMBER): Likewise.
7809 (struct tree_block): Likewise.
7811 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7813 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7814 __WCHAR_TYPE__ definition.
7815 (WCHAR_TYPE_SIZE): #undef before #define.
7817 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7819 * cppfiles.c: Update comments.
7820 (destroy_include_file_node): Rename destroy_node.
7821 (find_or_create_entry): New function.
7822 (open_file, _cpp_fake_include): Use it.
7823 (handle_missing_header): New function, broken out of
7824 _cpp_execute include. Don't segfault if there is no
7825 system or quoted path.
7826 (_cpp_execute_include): Use handle_missing_header.
7828 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7830 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7831 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7833 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7835 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7836 unless anti_dependence says they are.
7837 * alias.c (objects_must_conflict): If neither has a type specified,
7840 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7841 David Billinghurst <David.Billinghurst@riotinto.com>
7843 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7845 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7847 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7848 (*_one_bit): Remove type on the match_operand in attributes.
7850 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7852 * i386.c: Commit forgotten hunk in previous patch.
7853 (regclass_map): Add extended registers.
7854 (dbx_register_map): Add missing frame register.
7856 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7858 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7860 * i386.md (x86_sahf_1): Disable for 64bit.
7861 (popsi*, pophi*): Likewise.
7862 (pushqi, pushhi): Likewise.
7863 (movdi, pushdi): Likewise.
7864 (zero extend DImode splitter): Likewise.
7865 (adddi, minusdi splitter): Likewise.
7866 (umulsidi): Likewise.
7868 (mulsidi): Disable for 64bit
7869 (lshift:DI/ashift:DI): Disable for 64bit.
7870 (loop patterns): Likewise.
7871 (call_pop, call_value_pop expanders and patterns): Likewise.
7872 (prologue_get_pc): Likewise.
7874 (fcmovDI pattern and splitter): Likewise.
7875 (movdfcc_1_rex64): New.
7877 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7879 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7880 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7881 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7882 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7883 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7884 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7885 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7886 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7887 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7888 (REGPARM_MAX): Set to 6 for x86_64.
7889 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7890 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7893 * (patterns that does use upper halves): Update constraints
7894 'q' to 'Q' and 'r' to 'R'.
7895 (cmpqi_ext_1): Disable for 64bit.
7896 (cmpqi_ext_3_insn): Likewise.
7897 (movqi_extzv_1): Likewsie.
7898 (addqi_ext_1): Liekwsie
7899 (testqi_ext_1): Liekwsie
7900 (andqi_ext_1): Liekwsie
7901 (xorqi_ext_1): Liekwsie
7902 (cmpqi_ext_1_rex64): New.
7903 (cmpqi_ext_3_insn_rex64): Likewise.
7904 (movqi_extzv_1_rex64): Likewsie.
7905 (addqi_ext_1_rex64): Liekwsie
7906 (testqi_ext_1_rex64): Liekwsie
7907 (andqi_ext_1_rex64): Liekwsie
7908 (xorqi_ext_1_rex64): Liekwsie
7910 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7912 * configure.in: Move check for unsigned enumerated bitfields
7913 to macro in aclocal.m4. Disable it for now.
7914 * configure, config.in: Regenerate.
7915 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7916 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7917 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7918 kind above its first use.
7920 * config/xm-interix.h, config/alpha/xm-alpha.h,
7921 config/i370/xm-linux.h, config/i386/xm-beos.h,
7922 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7923 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7924 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7925 Don't define ONLY_INT_FIELDS under any circumstances.
7927 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7929 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7930 config/sparc/xm-sysv4.h: Delete - now identical with some
7932 * config.gcc (hppa targets): Replace xm-pahpux.h and
7933 xm-papro.h with implicit xm-pa.h.
7934 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7937 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7939 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7940 before reload_cse_noop_set_p.
7942 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7944 * config.gcc: Where xm-host.h used to include another
7945 xm-host.h, list the nested header directly in xm_file. Remove
7946 references to deleted files. Can now use sparc/xm-sp64.h for
7949 * config/xm-linux.h, config/arm/xm-linux.h,
7950 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7951 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7952 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7953 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7954 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7957 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7958 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7959 bother to wrap #undef in #ifdef.
7960 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7961 Don't include xm-linux.h.
7962 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7964 * configure.in: Wrap regexps using [] in changequote block.
7965 Use expr : not echo | grep. Simplify regexps.
7966 * configure: Regenerate.
7968 56 xm-files remain, 22 xm-arch.
7970 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7972 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7973 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7974 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7975 (copy_object): Fix format specifier vs argument mismatch.
7977 * mips-tdump.c: Make local functions static.
7978 (rindex): Don't #undef.
7979 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7980 (fatal, fancy_abort): Delete.
7981 (read_seek): Avoid signed/unsigned compare.
7983 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7985 * combine.c (try_combine): Fix error in change to try original
7987 (gen_rtx_combine): Do same as gen_rtx for now.
7989 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7991 * configure.in: AC_SUBST xm_defines.
7992 * configure: Regenerate.
7993 * Makefile.in: Set DEFINES=$(xm_defines) when building
7996 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7998 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7999 (cpp_included, find_include_file): Update.
8000 (_cpp_compare_file_date): Make else unconditional.
8002 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
8004 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
8006 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8008 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8009 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8011 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
8013 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8014 if it's a record type.
8016 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
8018 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
8019 mingw includes slightly.
8021 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8023 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8024 #undef token before poisoning it.
8026 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8028 * alpha.c (check_float_value): Use memcpy, not bcopy.
8030 * m32r.c (m32r_sched_reorder): Likewise.
8032 * vax.c (check_float_value): Likewise.
8034 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8036 * toplev.c (file_name_nondirectory): Remove.
8037 * toplev.h: Similarly.
8038 * dwarf2out.c (compute_section_prefix): Use lbasename instead
8039 of file_name_nondirectory.
8041 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8043 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8044 * mips-tfile.c: Don't #undef rindex; not used.
8046 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
8048 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8049 (dbx64_register_map): Declare.
8050 (RETURN_ADDR_RTX): Fix for 64bit.
8051 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8052 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8053 * i386.c (dbx64_register_map): New global array.
8054 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8055 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8058 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8060 * cppfiles.c (search_from): Use lbasename.
8061 * mkdeps.c (deps_add_default_target): Use lbasename.
8063 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8065 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8066 xcalloc in lieu of malloc, realloc & calloc.
8068 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8070 * gengenrtl.c (xmalloc): Likewise.
8072 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8073 really_call_* memory allocation routines.
8075 * stmt.c (check_for_full_enumeration_handling): Use
8076 really_call_calloc, not calloc.
8078 * system.h (really_call_malloc, really_call_calloc,
8079 really_call_realloc): Define.
8080 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8082 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
8084 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8086 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
8088 * configure: Rebuilt.
8089 * configure.in: Only use `lang_requires' for languages athat are
8092 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
8094 * invoke.texi: Fix typo.
8095 * gcc.1: Regenerate.
8097 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8099 * configure.in: Prune nonexistent files from build_xm_file,
8100 xm_file, and host_xm_file lists. Warn unless they're
8102 Don't generate *config.h here.
8103 AC_SUBST all variables needed to generate *config.h.
8104 * configure: Regenerate.
8105 * mkconfig.sh: New helper script, from code removed from
8107 * Makefile.in: Zap all MALLOC variables - no longer used
8108 anywhere, and malloc.c doesn't exist.
8109 Substitute in variables needed to generate *config.h.
8110 Stop lying about the dependencies contained in CONFIG_H and
8112 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8113 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8114 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8115 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8116 $(TM_P_H), etc. as appropriate.
8118 * config.gcc: Zap references to deleted files.
8119 * ggc-none.c: Don't include rtl.h or tm_p.h.
8121 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8122 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8123 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8124 config/i386/xm-linux.h, config/i386/xm-linux.h,
8125 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8126 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8127 Don't include i386/xm-i386.h.
8129 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8130 config/i386/xm-i386.h, config/i860/xm-i860.h,
8131 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8132 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8133 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8134 Delete (empty except comments, #includes of other deleted
8135 files, and macros used nowhere).
8137 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8139 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8140 independent on TARGET_FLAGS.
8142 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8144 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8146 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8148 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8150 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8151 LAST_REX_SSE_REG): define.
8152 (enum reg_class): Add 'LEGACY_REGS'
8153 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8154 (SSE_REGNO_P): Recognize extended registers.
8155 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8156 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8157 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8158 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8159 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8160 REG_OK_FOR_STRREG_P): Remove.
8161 (HI_REGISTER_NAMES): Add extended registers.
8162 (ADDITIONAL_REGISTER_NAMES): Likewise.
8163 (QI_REGISTER_NAMES): Add 8bit extended registers.
8164 (DEBUG_REG): Support extended registers.
8165 * i386.c (regclass_map): Add extended registers.
8166 (dbx_register-map): Likewise.
8167 (svr4_dbx_register_map): Likewise.
8168 (print_reg): Support extended registers.
8169 (print_operand): Support 64bit operands.
8171 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8173 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8174 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8175 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8176 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8177 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8178 STACK_BOUNDARY): Set properly for 64bits.
8179 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8180 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8181 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8182 (MOVE_MAX): Set to 16.
8183 (MOVE_MAX_PIECES): 8 for 64bit.
8184 (Pmode): Set to SImode.
8186 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8188 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8190 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8192 * i386.h (mask_64bit): New constant.
8193 (target_64bit): New macro.
8194 (target_options): Add '64'/'32'
8195 (target_default): Define.
8196 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8197 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8198 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8200 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8202 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8204 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8206 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8207 LO_SUM unless for_alias is set.
8209 2001-03-08 Stan Shebs <shebs@apple.com>
8211 * objc/objc-act.c: Fix old typos in comments, add comments for
8213 (hash_init): Fix file name in error message.
8214 (hash_enter): Ditto.
8215 (hash_add_attr): Ditto.
8216 (continue_class): Ditto.
8218 2001-03-08 Bruce Korb <bkorb@gnu.org>
8220 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8221 wait4() can receive the signal.
8223 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8225 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8227 * fixinc/fixincl.x: Regenerate.
8229 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8231 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8233 * fixinc/fixincl.x: Regenerate.
8235 2001-03-08 Richard Henderson <rth@redhat.com>
8237 * configure.in (HAVE_AS_LEB128): New assembler check.
8238 * configure, config.in: Rebuilt.
8240 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8242 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8245 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8247 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8248 references to the MAXPATHLEN macro.
8250 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8251 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8254 * config/i386/xm-gnu.h, config/xm-gnu.h,
8255 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8256 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8257 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8258 and/or unused files.
8260 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8261 doing so in various xm-*.h files.
8263 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8265 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8267 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8269 * configure.in (enable_shared): Support per-package shared-library
8271 * configure: Rebuilt.
8273 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8275 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8276 for crnot. Set operands[5] in splitter.
8278 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8280 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8281 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8282 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8283 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8284 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8285 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8286 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8289 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8290 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8291 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8292 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8293 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8294 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8295 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8296 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8297 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8298 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8299 Delete unused and/or empty files.
8301 * config.gcc: Define USG in xm_defines as appropriate. Define
8302 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8303 macro. Remove deleted xm-* files from $xm_files variable.
8305 2001-03-07 Tom Tromey <tromey@redhat.com>
8307 * configure: Rebuilt.
8308 * configure.in: Allow config-lang.in to set `lang_requires' to list
8309 of other required languages.
8311 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8313 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8315 (output_prologue): Use xmalloc not oballoc.
8316 (output_epilog): Free a29k_first_epilogue_insn when finished.
8317 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8319 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8321 * builtins.c (expand_builtin_mathfn): Check
8322 flag_unsafe_math_optimizations, not flag_fast_math.
8323 (expand_builtin): Likewise
8324 * combine.c (combine_simplify_rtx): Likewise.
8325 (simplify_if_then_else): Likewise.
8326 * cse.c (fold_rtx): Likewise.
8327 * flags.h: Remove flag_fast_math. Add
8328 flag_unsafe_math_optimizations and flag_trapping_math.
8329 * fold-const.c (negate_expr): Check
8330 flag_unsafe_math_optimizations, not flag_fast_math.
8331 (invert_truthvalue): Likewise.
8332 (fold): Likewise. Before associating operands, check that
8333 code == MULT_EXPR, not code != MULT_EXPR.
8334 * ifcvt.c (noce_try_minmax): Check
8335 flag_unsafe_math_optimizations, not flag_fast_math.
8336 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8337 * invoke.texi: Document -funsafe-math-optimizations and
8338 -fno-trapping-math. Change documentation for -ffast-math.
8339 * jump.c (reversed_comparison_code_parts): Likewise.
8340 (rtx_equal_for_thread_p): Likewise.
8341 * optabs.c (emit_conditional_move): Likewise.
8342 * simplify-rtx.c (simplify_binary_operation): Likewise.
8343 (simplify_relational_operation): Likewise.
8344 (simplify_ternary_operation): Likewise.
8345 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8346 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8347 Add trapping-math and unsafe-math-optimizations entries to f_options.
8348 (set_fast_math_flags): New, sets flags for -ffast-math.
8349 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8350 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8351 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8353 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8354 (alpha_emit_conditional_move): Initialize local_fast_math to
8355 flag_unsafe_math_optimizations, not flat_fast_math.
8356 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8357 instead of setting flag_fast_math to 1.
8358 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8360 * config/i386/i386.c (override_options): Likewise
8361 * config/i386/i386.md: Likewise.
8362 * config/m68k/m68k.md: Likewise.
8363 * config/mips/mips.md: Likewise.
8364 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8365 (rs6000_generate_compare): Likewise.
8367 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8369 * Makefile.in: Set RANLIB to @RANLIB@.
8372 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8374 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8375 * fixinc/fixincl.x: Regenerated.
8377 2001-03-07 Richard Henderson <rth@redhat.com>
8379 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8381 2001-03-07 Richard Henderson <rth@redhat.com>
8383 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8384 of block notes and exception handling notes.
8386 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8387 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8388 (compile_file): ... here.
8390 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8392 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8394 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8395 config.h now. Include libiberty.h to handle alloca.
8397 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8399 * c-parse.in (yylexname): New function, split out of _yylex.
8400 (objc_rid_sans_at): New table.
8401 (init_reswords): Initialize it.
8402 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8403 retrieving the next token and checking it for significance as
8404 an ObjC keyword or string constant.
8406 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8407 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8409 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8412 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8414 * config/m68k/m68k.c (const_uint32_operand): Accept any
8415 const_int on a 32-bit host.
8417 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8419 * objc/objc-act.c (init_objc): Set save_lang_status,
8420 restore_lang_status, and mark_lang_status.
8422 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8424 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8426 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8428 * cppinternals.texi: Update.
8430 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8432 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8433 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8434 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8435 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8436 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8437 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8438 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8439 config/i386/xm-i386.h, config/i860/xm-i860.h,
8440 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8441 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8442 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8443 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8444 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8445 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8446 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8447 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8448 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8449 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8450 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8451 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8452 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8453 match the defaults provided in hwint.h.
8455 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8456 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8458 * config.gcc (xm_file): Don't set to files which are deleted.
8460 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8461 guard this file against these macros being undefined.
8463 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8465 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8466 and DECL_DEFER_OUTPUT on the decl we create, before calling
8467 rest_of_decl_compilation.
8469 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8471 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8473 * configure, config.in: Regenerate.
8474 * config.gcc: Remove references to deleted files.
8476 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8477 genrecog.c, rtl.c: Do not use alloca anywhere.
8479 * Makefile.in, build-make, system.h, config/x-interix,
8480 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8481 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8482 config/arc/xm-arc.h, config/arm/xm-arm.h,
8483 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8484 config/h8300/xm-h8300.h, config/i370/x-oe,
8485 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8486 config/i386/x-ncr3000, config/i386/x-sco5,
8487 config/i386/xm-dgux.h, config/i860/x-sysv4,
8488 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8489 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8490 config/m68k/x-hp320g, config/m69k/x-mot3300,
8491 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8492 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8493 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8494 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8495 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8496 config/mips/x-iris, config/mips/x-iris3,
8497 config/mips/x-sni-svr4, config/mips/x-sysv,
8498 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8499 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8500 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8501 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8502 config/pa/xm-papro.h, config/romp/xm-romp.h,
8503 config/rs6000/x-aix31, config/rs6000/x-aix41,
8504 config/rs6000/x-beos, config/rs6000/x-lynx,
8505 config/rs6000/x-mach, config/rs6000/x-rs6000,
8506 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8507 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8508 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8509 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8510 config/vax/xm-vms.h: Eradicate all references to alloca and
8513 * config/xm-alloca.h, config/clipper/x-clix,
8514 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8515 config/i860/x-sysv3, config/m88k/x-sysv3,
8516 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8517 (contained only alloca related hacks).
8519 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8522 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8524 * invoke.texi: Document __FAST_MATH__.
8526 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8528 * crtstuff.c: Restore include of auto-host.h.
8530 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8532 Put main() in a separate file, so that the language
8533 front-end can use a different main().
8536 * toplev.c: (main): Rename as toplev_main.
8537 * toplev.h: Declare toplev_main.
8538 * Makefile.in (OBJS): add toplev.o.
8539 (BACKEND): remove toplev.o, add main.o.
8541 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8543 * cppfiles.c (search_from): Special case the empty string.
8545 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8547 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8548 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8549 strlen or strcpy; we already know the length.
8550 (_cpp_compare_file_date): Similarly.
8551 * cpphash.h (struct cpp_reader): Delete done_initialising.
8552 (CPP_PREV_BUFFER): Delete.
8553 * cppinit.c (cpp_start_read): Don't set done_initialising.
8554 * cpplex.c (parse_string): Guarantee null-termination.
8555 (_cpp_equiv_toklists): Remove.
8556 * cpplib.c (glue_header_name): Null-terminate.
8557 (do_line): Don't leak memory.
8558 * cpplib.h (BT_WEAK): Delete.
8559 * cppmain.c (cb_ident): Strings are now null-terminated.
8561 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8563 * gcc.c (convert_filename): Append executable suffix
8564 if NO_AUTO_EXE_SUFFIX is not defined.
8565 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8566 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8568 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8570 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8571 * c-parse.gperf, c-gperf.h: Delete.
8572 (c-gperf.h was accidently re-added to the CVS repo in the rev
8573 1.16 commit by tromey)
8575 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8577 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8578 macro arguments when looking for the '('.
8579 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8580 2 when really parsing arguments; 1 when looking for '('.
8581 Always restore the lexer position.
8583 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8585 * longlong.h (umul_ppmm): Don't use a multiline string.
8587 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8589 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8590 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8591 t_bool in declaration because pcc can't combine volatile with typedef
8594 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8596 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8597 until when it is really needed.
8598 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8599 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8600 * i386.md (float?i?f splitter): Don't force source operand to memory
8602 (sse_movdfcc): Fix constraint.
8603 (sse_movdfcc splitter): Handle properly the second alternative.
8605 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8607 * cpplex.c (parse_string): Unconditionally pedwarn.
8609 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8612 * cppexp.c (parse_number): Update.
8613 * cpplex.c (parse_string): Pedwarn if multiline string does not
8614 result from a system header's macro.
8615 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8616 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8617 for function-like macros too.
8618 * c-lex.c (lex_number): Update.
8620 2001-03-03 Richard Henderson <rth@redhat.com>
8622 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8624 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8626 * combine.c (try_combine): If split with mode-changed scratch
8627 register didn't work, try the original mode.
8629 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8631 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8632 * config/c4x/c4x.h: Likewise.
8633 * stor-layout.c (compute_record_mode): Likewise.
8634 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8636 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8638 * configure.in: Kill tm.h. Include the files in the $tm_file
8639 list in all three of config.h, hconfig.h, tconfig.h, after the
8640 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8641 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8642 * configure: Regenerate.
8643 * Makefile.in (clean): Don't delete tm.h.
8645 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8646 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8647 those are not defined, set SEC and FEC to 0 and 1.
8648 * gcc.texi: Update to match.
8650 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8651 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8652 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8653 Include tconfig.h, not tm.h.
8655 * config/xm-lynx.h, config/xm-std32.h,
8656 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8657 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8658 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8659 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8660 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8661 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8662 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8663 config/i386/xm-i386.h, config/i860/xm-i860.h,
8664 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8665 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8666 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8667 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8668 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8669 config/pa/xm-linux.h, config/pa/xm-pa.h,
8670 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8671 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8672 config/pj/xm-pj.h, config/romp/xm-romp.h,
8673 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8674 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8675 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8676 config/v850/xm-v850.h, config/vax/xm-vax.h,
8677 config/we32k/xm-we32k.h:
8679 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8681 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8682 config/i370/xm-oe.h: Don't include tm.h. Don't define
8684 * config/vax/xm-vms.h: Don't include tm.h.
8686 * config/xm-lynx.h, config/avr/xm-avr.h,
8687 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8688 Delete; made empty by above changes.
8689 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8690 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8691 Don't include config/xm-lynx.h or tm.h.
8693 * config/xm-gnu.h: Don't include fcntl.h.
8694 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8696 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8698 2001-03-02 Richard Henderson <rth@redhat.com>
8700 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8701 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8703 2001-03-02 Richard Henderson <rth@redhat.com>
8705 * Makefile.in (OBJS): Add dwarf2asm.o.
8706 * dwarf2asm.c, dwarf2asm.h: New files.
8707 * dwarf2out.c (*): Use them.
8708 (size_of_uleb128, size_of_sleb128): Remove.
8709 (output_uleb128, output_sleb128): Remove.
8710 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8711 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8712 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8713 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8714 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8715 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8716 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8717 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8718 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8719 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8720 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8721 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8722 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8723 (dwarf2out_frame_debug): Remove unused variables.
8724 (output_loc_operands): Don't abort on 8 byte constants if
8725 host integers are wide enough.
8726 (output_symbolic_ref): Remove.
8727 (size_of_die): Don't assume 4 byte host integers.
8728 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8730 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8731 something stupid with HOST_WIDE_INT to long truncation.
8732 [CONST_DOUBLE]: Likewise.
8734 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8735 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8736 * config/arm/unknown-elf.h: Likewise.
8737 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8738 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8739 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8740 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8741 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8742 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8743 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8744 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8745 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8746 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8747 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8748 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8750 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8752 * cselib.c (hash_rtx): Cast enums to unsigned int.
8754 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8756 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8757 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8759 * c-format.c (C_STD_VER): Cast to int for comparisons.
8760 (check_function_format): Cast various enums to int for &.
8761 (maybe_read_dollar_number): Likewise.
8762 (check_format_info): Likewise.
8763 (check_format_info_main): Likewise.
8764 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8765 (safe_from_p): Likewise.
8766 * varasm.c (const_hash): Cast enum to int for %.
8767 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8768 pcc enum problems with < and ++ operators.
8769 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8770 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8771 (regclass_init): Change enum class to int to iterate over reg_classes.
8772 * genrecog.c (merge_trees): Cast enums for comparison.
8773 * rtl.h (GET_CODE): Cast to enum rtx_code.
8774 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8775 (GET_MODE): Cast to enum machine_mode.
8776 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8777 (GET_NOTE_INSN_NAME): Cast enum to int.
8778 * tree.h (TREE_CODE): Cast to enum tree_code.
8779 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8780 * timevar.c (timevar_print): Change loop variable id from enum to
8782 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8783 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8784 * toplev.c (compile_file): Cast enum DFI to int.
8785 (decode_d_option): Likewise.
8787 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8789 * cppinit.c (append_include_chain): Mark "after" include file name list
8790 as a system directory.
8791 * cpp.texi: Document new behavior.
8793 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8795 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8797 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8799 * cppfiles.c (struct include_file): Update.
8800 (stack_include_file): Use search_from.
8801 (cpp_included, find_include_file): Update.
8802 (cpp_execute_include): Update. ptr->name may not be
8803 null terminated. Use the new search_from member variable
8805 (_cpp_compare_file_date): Similarly.
8806 (search_from): New function, similiar to actual_directory.
8807 (actual_directory): Delete.
8808 (remap_filename): Update. loc->name may not be null terminated.
8809 (struct file_name_list): Rename search_path. Update.
8810 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8811 search_from and dir.
8812 (struct cpp_reader): Remove actual_dirs.
8813 * cppinit.c (struct cpp_pending): Update for renamed objects.
8814 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8815 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8816 * cpplib.h (struct cpp_options): Similarly.
8818 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8820 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8821 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8822 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8823 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8824 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8825 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8826 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8827 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8828 config/i370/xm-oe.h, config/i386/xm-aix.h,
8829 config/i386/xm-i386.h, config/i386/xm-osf.h,
8830 config/i860/xm-i860.h, config/i960/xm-i960.h,
8831 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8832 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8833 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8834 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8835 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8836 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8837 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8838 config/pj/xm-pj.h, config/romp/xm-romp.h,
8839 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8840 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8841 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8842 config/v850/xm-v850.h, config/vax/xm-vax.h,
8843 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8844 Do not define TRUE or FALSE.
8846 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8847 empty by above change.
8848 * config.gcc: Remove references to these files.
8850 * configure.in: Detect stdbool.h.
8851 * configure, config.in: Regenerate.
8852 * system.h: Include stddef.h here if available.
8853 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8854 Then set up a sensible boolean type at the very end.
8856 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8857 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8859 * hash.h: Delete 'boolean' typedef and related #undefs.
8861 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8862 all uses of 'boolean' with 'bool'.
8864 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8866 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8867 * cppexp.c (lex): Cast enums for comparison.
8868 * cppinit.c (parse_option): Cast enum for comparison.
8869 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8870 (cpp_output_token): Likewise.
8871 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8872 (cpp_avoid_paste): Cast enums for minus and comparison.
8874 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8876 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8877 field to all array elements.
8879 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8881 * cpphash.h (struct cpp_reader): Add print_version field.
8882 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8883 just set print_version and other flags as appropriate.
8884 (cpp_post_options): Print version here if print_version is set.
8886 * toplev.c (exit_after_options): New flag.
8887 (independent_decode_option): Don't exit here; just set
8889 (main): Exit after calling lang_hooks.post_options if
8890 exit_after_options is true.
8892 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8893 (merge_include_chains): Adjust comment to match code.
8895 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8897 * stringpool.c (set_identifier): New function.
8898 * tree.h: Prototype it.
8900 * c-parse.in: Kill D_YES. If compiled for objc, call
8901 save_and_forget_protocol_qualifiers from init_reswords.
8902 * objc/objc-act.c (remember_protocol_qualifiers,
8903 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8904 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8906 (save_and_forget_protocol_qualifiers): New function.
8907 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8909 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8911 * c-semantics.c (prune_unused_decls): Return error_mark_node
8912 instead of (tree) 1 to stop traversing the tree chain.
8914 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8916 Fix a problem introduced by Kenner's Feb 18 change.
8917 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8918 flag_cse_skip_blocks only temporarily, not for ever.
8920 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8922 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8923 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8925 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8926 before determining its register class.
8928 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8930 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8931 from reg 4 if current_function_calls_setjmp.
8932 (gen_nop_type): New function.
8933 (ia64_emit_nops): New function.
8934 (ia64_reorg): Call it.
8935 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8937 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8938 code not to try to optimize adds with anything but a REG destination.
8940 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8941 (INSN_PRIORITY_KNOWN): New accessor macro.
8942 * haifa-sched.c (priority): Use it instead of testing priority against
8945 2001-02-28 DJ Delorie <dj@redhat.com>
8947 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8948 since that doesn't work the way gcc wants on a generic m68k.
8950 2001-02-28 Richard Henderson <rth@redhat.com>
8952 * caller-save.c (save_call_clobbered_regs): Fix typo in
8953 comparison last change.
8955 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8957 * i386.c (pentium4_cost): New.
8958 (m_PENT4): New macro.
8959 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8960 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8961 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8962 x86_memory_mismatch_stall): Add Pentium4
8963 (x86_use_q_reg, x86_use_any_reg): Kill.
8964 (override_options): Add pentium4.
8965 (incdec_operand): Return 0 for pentium4.
8966 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8967 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8968 (TARGET_PENTIUM4): Define.
8969 (enum processor_type): Add PROCESSOR_PENTIUM4.
8970 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8971 * i386.md (attribute "cpu"): Add pentium4.
8972 * invoke.texi (march): Add pentium4.
8974 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8976 * i386.md (sse_mov?fcc*): New patterns and splitters.
8977 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8978 the SSE based conditional moves.
8980 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8982 * i386.md (attribute mode): Add "TI".
8983 (movsf_1): Add pxor support; remove constant propagation splitter.
8984 (movdf_integer): Likewise.
8985 (movdf_nointeger): Likewise.
8986 (movxf constant prop splitter): Handle all modes; update for SSE.
8987 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8988 * i386.c (standard_80387_constant_p): Rewrite.
8989 (standard_sse_constant_p): New.
8990 * i386-protos.h (standard_sse_constant_p): New.
8992 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8994 * i386.md (sse_setccsf, sse_setccdf): New.
8995 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8997 * i386.c (sse_comparison_operator): Accept the supported unordered
8998 comparses; be ready for fast_math.
8999 (print_operand): Support 'D'.
9001 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
9003 * jump.c (reversed_comparison_code): Kill.
9005 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
9007 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9010 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
9012 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9013 add missing '%' in constraints.
9015 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
9017 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9018 for HOST_BITS_PER_WIDE_INT == 32 too.
9020 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
9022 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
9024 (insert_save, insert_restore): New parameter save_mode.
9025 (init_caller_save): Update initialization of reg_save_code
9026 and reg_restore_code.
9027 (save_call_clobbered_regs): Compute save_modes and update calls to
9028 reg_save_code and reg_restore_code.
9029 (insert_restore): Unsignetize numbers; use save_modes to choose mode
9030 of spill; update use of reg_restore_code.
9031 (insert_save): Likewise.
9032 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9033 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9034 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9036 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9038 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9039 noce_try_store_flag_inc, noce_try_store_flag_mask,
9040 noce_try_cmove_arith):
9041 Use reversed_comparison_code instead of reverse_comparison and
9042 can_reverse_comparison_p.
9044 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
9046 * jump.c (reversed_comparison_code_parts): Allow reversal of
9047 unordered compares in -ffast-math mode; reverse ordered compares
9048 for FP even w/o -ffast-math.
9050 2001-02-27 Richard Henderson <rth@redhat.com>
9052 * print-rtl.c (print_rtx) [i]: Don't print field five on
9053 NOTEs other than NOTE_INSN_DELETED_LABEL.
9055 2001-02-27 Zack Weinberg <zackw@stanford.edu>
9057 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9058 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9060 2001-02-27 Diego Novillo <dnovillo@redhat.com>
9062 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9063 even if walk_subtrees is 0.
9064 * c-semantics.c (prune_unused_decls): Return a non-null value to
9065 stop traversing the tree chain.
9067 2001-02-27 DJ Delorie <dj@redhat.com>
9069 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9070 register, *then* define it as the new CFA.
9072 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
9074 * pa.c (override_options): Promote -fpic to -fPIC.
9075 (legitimize_pic_address): Simplify due to removal of
9076 small PIC as a code generation option.
9077 (secondary_reload_class): Similarly.
9078 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9079 (PRINT_OPERAND_ADDRESS): Similarly.
9080 * pa.md (various patterns): Similarly.
9081 (small pic lo_sum pattern): Remove.
9083 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
9086 * md.texi (min, max): Document
9088 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
9090 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9091 TARGET_PARTIAL_REG_DEPENDENCY.
9092 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9094 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
9096 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9098 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
9100 * mips.c (mips_make_temp_file): Fix thinko in last change.
9102 2001-02-26 Jason Eckhardt <jle@redhat.com>
9104 * combine.c (known_cond): Do not reverse the condition when
9105 SMAX/UMAX is being considered and the condition is for equality
9108 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9110 2001-02-26 Philip Blundell <philb@gnu.org>
9112 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9114 * config/arm/linux-elf.h: Remove historical relics related to
9115 above configurations.
9116 * config/arm/linux-oldld.h: Delete.
9117 * config/arm/linux-elf26.h: Delete.
9119 2001-02-26 Jason Merrill <jason@redhat.com>
9121 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9123 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9124 recognize a tentative definition. Lose obsolete code.
9126 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9127 variables unless necessary, either.
9129 2001-02-25 Richard Henderson <rth@redhat.com>
9131 * ifcvt.c (struct noce_if_info): Add test_bb.
9132 (noce_get_alt_condition): New.
9133 (noce_try_minmax, noce_try_abs): New.
9134 (noce_operand_ok): New.
9135 (noce_process_if_block): Use them.
9136 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9138 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9140 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9143 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9145 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9146 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9148 (mips_asm_file_end): Free temp_filename here.
9150 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9152 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9153 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9155 * config/i386/i386.md (movstrsi): Handle FAIL case.
9157 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9159 * cppinit.c (builtin_array): Update.
9160 (init_builtins): Flag builtins to warn if redefined or
9161 undefined. Define __GXX_WEAK as a normal macro.
9162 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9163 * cpplib.h (NODE_WARN): New flag.
9164 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9165 Handle __STDC__ as a builtin only on Solaris.
9166 (warn_of_redefinition): Renamed from check_macro_definition.
9167 Reverse sense of test. Always warn if NODE_WARN.
9168 (_cpp_create_definition): Use warn_of_redefinition. Flag
9169 any macro beginning with "__STDC_" to require a mandatory
9170 warning if redefined or undefined.
9172 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9174 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9175 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9176 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9177 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9178 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9179 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9180 Don't define any of:
9181 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9182 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9183 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9184 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9185 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9187 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9188 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9191 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9192 Delete now-empty file.
9194 * alpha/vms.h: Define NEED_ATEXIT here...
9195 * alpha/xm-vms.h: ...not here.
9197 * i386/cygwin.h: Don't define PARAMS.
9198 * mips/mips.c: Don't prototype mktemp. Don't define
9199 P_tmpdir. Use make_temp_file to create temporary files.
9200 Don't be clever and delete temporary files early.
9201 * config.gcc: Drop references to deleted files. Don't define
9203 * gcc.texi: Don't mention USE_PROTOTYPES.
9205 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9207 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9208 (ix86_set_move_mem_attrs_1): Likewise.
9209 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9210 * config/i386/i386.md (movstrsi): Call it.
9212 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9214 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9215 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9216 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9217 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9219 (i750a-*-*): Error here if hosting on i750a.
9220 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9222 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9223 Remove (empty modulo comments).
9225 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9226 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9227 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9228 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9229 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9230 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9232 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9233 Remove reference to winnt.h in comment.
9234 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9236 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9238 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9239 used to set another biv.
9241 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9243 * tree.h (BLOCK_DEAD): New macro.
9244 (struct tree_block): New flag, dead_flag.
9245 * print-tree.c (print_node, case 'b'): Print missing fields.
9246 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9247 * function.c (identify_blocks): Enable test for misplaced notes.
9248 (all_blocks): Skip BLOCK_DEAD blocks.
9249 * integrate.c (integrate_decl_tree): Likewise.
9251 * errors.c (internal_error, trim_filename): New functions.
9252 (fancy_abort): Call internal_error.
9253 * errors.h (internal_error, trim_filename): New declarations.
9255 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9257 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9259 (EXTRA_CONSTRAINT): Formatting changes.
9261 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9263 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9265 2001-02-23 Per Bothner <per@bothner.com>
9267 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9268 so they can be called from java/jvspec.c.
9269 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9271 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9273 * i386.c (ix86_frame): New structure.
9274 (ix86_compute_frame_size): Kill.
9275 (ix86_compute_frame_layout): New.
9276 (ix86_save_reg): New.
9277 (ix86_can_use_return_insn_p): Use frame layout stuff.
9278 (ix86_expand_prologue): Likewise.
9279 (ix86_expand_epilogue): Likewise.
9280 (ix86_initial_elimination_offset): Likewise.
9281 (ix86_nsaved_regs): Use ix86_save_reg.
9282 (ix86_emit_save_regs): Likewise.
9284 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9286 * flow.c (find_sub_basic_blocks): New function.
9287 (split_block): Be ready for basic block introduced by CODE_LABEL.
9288 (commit_one_edge_insertion): Call find_sub_basic_block.
9290 * flow.c (make_edges): Add edge from entry for blocks starting with
9291 label having ALTERNATE_NAME
9293 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9295 * function.c (epilogue_done): Be ready for first basic block not
9296 containing PROLOGUE_END note.
9297 (reposition_prologue_and_epilogue_notes): Avoid placing
9298 PROLOGUE_END note between BASIC_BLOCK.
9300 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9302 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9304 2001-02-21 DJ Delorie <dj@redhat.com>
9306 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9307 check for current_function_has_nonlocal_goto from 1999-11-12.
9309 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9311 * diagnostic.c (trim_filename): No longer static.
9312 * toplev.h (trim_filename): Declare.
9313 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9314 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9315 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9316 (rtvec_check_failed_bounds): Likewise.
9317 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9319 * convert.c (convert_to_integer): Don't do unsigned unless result or
9320 both inputs are unsigned.
9322 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9325 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9327 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9329 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9331 * Makefile.in (resource.o): Add params.h dependence.
9332 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9333 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9334 * resource.c: Add dependence on params.h.
9335 (current_live_regs): Fix explanatory comment.
9336 (find_basic_block): Add new parameter to permit limiting search
9338 (mark_target_live_regs): Add new argument to find_basic_block call.
9339 (incr_ticks_for_insn): Likewise.
9341 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9343 * diagnostic.c (output_to_stream): Rename to
9344 output_buffer_to_stream. Loses the stream parameter.
9345 (init_output_buffer): Set diagnosic_buffer's stream.
9346 (flush_diagnostic_buffer): Adjust.
9347 (default_print_error_function): Likewise.
9348 (finish_diagnostic): Likewise.
9349 (verbatim): Likewise.
9351 * diagnostic.h (struct output_buffer): Add `stream' field.
9352 (output_buffer_attached_stream): New macro.
9354 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9356 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9357 check if either operand is divisible by C.
9358 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9359 If type is signed, consider negative numbers as well.
9361 2001-02-22 Richard Henderson <rth@redhat.com>
9363 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9364 reach .text instead of gp-relative relocs.
9365 * config/ia64/crtend.asm (.init): Likewise.
9367 2001-02-22 Andreas Jaeger <aj@suse.de>
9369 * extend.texi (C++ Attributes): Fix typo.
9371 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9373 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9374 functions, drop current_function_args_info.words test.
9375 (ia64_compute_frame_size): Mark syscall_linkage functions as
9376 using eight input registers.
9378 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9379 Bruce Korb <bkorb@gnu.org>
9381 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9382 * fixinc/README: Document how to convert sed substitutions
9383 to format style c_fix-es.
9384 * fixinc/fixincl.x: regen
9386 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9388 * gcc.c: Add comment explaining how to add a command-line option.
9389 Add title to specs language comment.
9391 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9393 * gcc.c (cc1_options): Add "-param".
9394 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9395 (option_map): Likewise.
9396 * toplev.c (display_help): Add entry for "--param".
9397 (independent_decode_option): Fix typographical error.
9399 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9400 Bernd Schmidt <bernds@redhat.com>
9401 Jan Hubicka <jh@suse.cz>
9403 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9404 (function_arg): Likewise.
9406 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9408 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9410 2001-02-21 Kazu Hirata <kazu@hxi.com>
9412 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9416 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9418 * flow.c (init_propagate_block_info): Canon address and use single_set
9419 for killing dead memory stores.
9421 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9423 * Makefile.in (reorg.o): Add params.h dependence.
9424 * params.def: Fix typographical error in comment.
9425 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9426 * params.h: Modify introductory comment.
9427 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9428 * reorg.c: Add dependence on params.h.
9429 (redundant_insn): Add parameterized throttle for search.
9430 (fill_simple_delay_slots): Add a comment explaining a variable.
9431 Move conditional out of loop, simplifying code.
9432 (fill_eager_delay_slots): Fix typographical error in comment.
9434 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9436 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9438 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9439 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9441 2001-02-21 Jason Merrill <jason@redhat.com>
9443 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9444 (struct tree_decl): Add uninlinable bitfield.
9445 * c-decl.c (duplicate_decls): Set it.
9446 * integrate.c (function_cannot_inline_p): Check it.
9448 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9449 DW_AT_MIPS_linkage_name to abstract methods.
9450 (dwarf2out_abstract_function): Emit class context before calling
9451 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9452 (gen_subprogram_die): Remove obsolete code.
9453 (gen_member_die): Don't include clones in the member list.
9454 (gen_decl_die): Emit abstract info for clone origin.
9455 * dwarfout.c (output_type): Don't include clones in the member list.
9456 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9457 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9458 DECL_ABSTRACT on a function that already has it set.
9460 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9461 (get_subprogram_die): Pass it in.
9463 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9465 * flow.c (mark_set_1): Make not_dead unsigned long. For
9466 non-pseudos, use it as a bitmask of the hard regs that
9469 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9471 * cppfiles.c: Update comments.
9472 (_cpp_read_file): Don't check for NULL filenames any more.
9473 * cppinit.c (cpp_start_read): Don't do canonicalization of
9474 in_fname and out_fname. Use the passed file name exclusively.
9475 (_cpp_handle_options): Don't treat "-" as a command line option,
9476 but as a normal filename.
9477 (_cpp_post_options): Canonicalize in_fname and out_fname.
9478 * cppmain.c (printer_init): Don't check out_fname for NULL.
9479 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9480 (init_c_lex): Update, and use "" to represent stdin to CPP.
9483 2001-02-20 Will Cohen <wcohen@redhat.com>
9485 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9486 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9487 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9490 2001-02-20 Stan Shebs <shebs@apple.com>
9492 * config/rs6000/rs6000.c (output_cbranch): Output branches
9493 on separate lines instead of using ';' to separate.
9495 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9497 * cppinit.c (set_lang): Move builtin handling to...
9498 (init_builtins): ...here.
9499 (_cpp_create_reader): Move call to set_lang.
9501 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9503 * stmt.c (expand_return): If an attempt is made to return the
9504 error_mar_node, treat the return like a return without a value.
9506 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9508 * sibcall.c (skip_copy_to_return_value): Call
9509 identify_call_return_value here, and return orig_insn if it
9510 returns zero. Hardret and softret arguments now unnecessary.
9511 (call_ends_block_p): Don't call identify_call_return_value here.
9513 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9515 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9516 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9518 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9520 * pa.c (move_operand): Accept code to load the address of a
9521 symbol out of the DLT as a valid move operand.
9522 (print_operand, case 'A'): New to handle generating a DLT
9523 reference for a LO_SUM expression.
9524 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9525 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9527 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9529 * README, cpp.texi, gcc.texi, version.c: Update version number to
9531 * cpp.1, gcov.1, gcc.1: Regenerate.
9533 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9535 * cppfiles.c (stack_include_file): Generate dependencies
9536 here, and manage include_count here too.
9537 (PRINT_THIS_DEP): Delete.
9538 (_cpp_execute_include): Do not generate dependencies here,
9539 apart from the case of a missing header. Do not manage
9541 (_cpp_read_file): Leave dependency generation to
9544 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9546 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9547 target_cpu_default. Remove dead assignment to
9550 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9552 * regclass.c (contains_reg_of_mode): Make global.
9553 (init_reg_sets): Remove contains_reg_of_mode; take into account
9554 CLASS_MAX_NREGS when looking for the proper mode.
9555 (dump_regclass): Dump only classes considered for the pseudo.
9556 (regclass): Use contains_reg_of_mode.
9558 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9560 * gcc.c (do_spec_1): 'n' for printing notices.
9561 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9563 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9565 * reg-stack.c (next_flags_user): Use current_block->end
9566 (swap_rtx_condition): Look for next user if flags don't die;
9567 give up on CALL_INSNs; use current_block->end.
9569 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9571 * sibcall.c (call_ends_block_p): New function.
9572 (optimize_sibling_and_tail_recursive_call): Use it.
9574 2001-02-18 Kazu Hirata <kazu@hxi.com>
9576 * config/h8300/h8300.md: Update copyright.
9577 (andsi3): Do not output an extra newline character.
9579 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9581 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9582 FNDECL may be unused.
9584 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9585 follow jumps after first run.
9586 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9587 it doesn't change any jumps.
9589 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9591 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9592 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9593 (mostlyclean): Corresponding changes.
9594 * rtlanal.c (hard-reg-set.h): Include.
9595 (rtx_unstable_p): Do not treat the argument pointer specially
9596 if it is not a fixed register.
9597 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9599 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9601 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9602 against last real insn in basic block.
9603 Rework to avoid gotos.
9605 * Makefile.in (gcse.o): Now includes ggc.h.
9606 * gcse.c: Include ggc.h.
9607 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9608 (try_replace_reg): Remove warning of uninitialize variable.
9609 (process_insert_insn): Call invalid_insn_p to validate insn.
9610 * recog.c (insn_invalid_p): Now global.
9611 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9612 * recog.h (insn_invalid_p): New declaration.
9614 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9616 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9617 assignments from FP constants since 'Y' output code can't handle it.
9618 (eligible_for_sibcall_delay): Likewise.
9620 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9621 Call fancy_abort directly, passing args.
9622 (print_rtl_and_abort): Now a macro, like fancy_abort.
9624 * final.c (output_operand_lossage): Use internal_error, not error.
9626 2001-02-18 Shane Nay <shane@agendacomputing.com>
9628 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9629 structure shift insns.
9631 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9633 * invoke.texi (-fsquangle): Remove documentation.
9634 (-fname-mangling-version): Likewise.
9636 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9638 * optabs.c (expand_abs): Remove reference to
9639 HAVE_contitional_arithmetic.
9640 * combine.c (simplify_set): Likewise.
9642 2001-02-18 Richard Henderson <rth@redhat.com>
9644 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9647 2001-02-18 Richard Henderson <rth@redhat.com>
9649 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9651 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9653 * reload1.c (reload_cse_simplify_set): Fix typo.
9655 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9657 * diagnostic.c (_fatal_insn): Decrement errorcount.
9659 * invoke.texi (-I): Add note avoiding use for system header files.
9661 * rtl.h (add_clobbers): Remove duplicate declaration.
9662 * recog.h (added_clobbers_hard_reg_p): New declaration.
9663 * genemit.c (struct clobber_pat): New field has_hard_reg.
9664 (gen_insn): Record if added clobbers clobber hard reg.
9665 (gen_split): Avoid unused warning if number of operands is 0.
9666 (output_added_clobbers_hard_reg_p): New function.
9669 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9671 * pa.c (hppa_expand_prologue): Simplify code storing return
9672 pointer. For large (>=8k) frames with a post_store, adjust stack
9673 pointer by 8k-64 first rather than by 64. When testing with
9674 VAL_14_BITS_P, always use the actual value rather than the value
9675 negated. Add blockage to prevent scheduling of spills before
9676 stack frame has been created.
9677 (hppa_expand_epilogue): Simplify code loading return pointer.
9678 Allow a slightly larger range for merge_sp_adjust_with_load case.
9679 When testing with VAL_14_BITS_P, always use the actual value.
9681 * pa.c (pa_adjust_insn_length): Check that block move
9682 pattern is a set before looking at operands.
9684 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9686 * fold-const.c (fold_binary_op_with_conditional_arg): New
9687 function, split out from ...
9689 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9690 conditional arms that throw exceptions.
9692 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9695 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9697 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9698 define HAVE_DECL_* to 1 to mask potential backup declarations.
9699 * configure: Regenerated.
9701 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9703 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9705 2001-02-17 Richard Henderson <rth@redhat.com>
9707 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9708 when replacing a memory load with a register.
9710 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9711 Jan Hubicka <jh@suse.cz>
9713 * recog.c (validate_replace_src_1): New.
9714 (validate_replace_src_data): Likewise.
9715 (validate_replace_src): Use note_uses.
9716 * rtl.h (note_uses): Declare.
9717 * rtlanal.c (note_uses): New.
9719 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9721 * reg-stack.c (stack_def): Make field reg unsigned.
9722 (remove_regno_note): Unsignetize parameter.
9724 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9726 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9727 shladd_operand() call.
9729 2001-02-16 Bruce Korb <bkorb@gnu.org>
9730 Rodney Brown <RodneyBrown@mynd.com>
9732 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9733 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9734 machine restrictions
9735 * fixinc/fixincl.x: regen
9737 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9739 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9741 (hash_scan_insn): Clean up calls to hash_scan_set.
9742 (compute_kill_rd): REGNO now unsigned.
9743 (try_replace_reg): Rework to use simplify_replace_rtx.
9744 (cprop_jump, cprop_cc0_jump): Likewise.
9745 (cprop_insn): Call find_reg_equal_equiv_note.
9746 Reflect changes to cprop_jump and cprop_cc0_jump.
9748 * recog.c (validate_replace_src): Replace in operands of
9749 ZERO_EXTRACT in SET_DEST.
9751 * cse.c (new_label_ref): New variable.
9752 (insert): Set it instead of recorded_label_ref.
9753 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9754 CODE_LABEL for this function, and not already in REG_LABEL note.
9756 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9758 * resource.c (mark_referenced_resources): Fix typo in introductory
9760 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9763 2001-02-16 Jason Merrill <jason@redhat.com>
9765 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9767 (gen_subprogram_die): Don't abort on seeing a second definition if
9768 the previous one was abstract. Don't replace an abstract instance
9769 in the lookup table.
9771 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9772 gen_abstract_function.
9773 * dwarf2out.h: Declare it.
9774 * toplev.c (note_outlining_of_inline_function): New fn.
9775 * toplev.h: Declare it.
9776 * integrate.c (output_inline_function): Call it.
9777 * c-decl.c (duplicate_decls): Call it when redefining an extern
9778 inline. Don't inline the new defn.
9780 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9782 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9784 * .gdbinit: Rename to gdbinit.in.
9785 * gdbinit.in: New file,
9786 * configure.in: Generate .gdbinit from gdbinit.in.
9787 * configure: Regenerated.
9788 * Makefile.in (distclean): Always remove .gdbinit.
9790 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9792 * objc/objc-act.c (start_class): Register implemented_classes with
9795 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9797 * cppfiles.c (_cpp_make_system_header): Generate a file
9800 2001-02-15 Jim Meyering <meyering@lucent.com>
9802 * Makefile.in (install-common): Don't depend on installdirs here.
9803 Instead, make each of the lang.install-common targets (e.g.,
9804 c++.install-common in cp/Make-lang.in) depend on it.
9805 (install-driver): Depend on installdirs.
9807 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9809 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9811 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9814 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9816 * invoke.texi (--param): Document.
9818 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9820 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9822 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9824 * i386.md (extendsfdf2_2): Fix constraints.
9826 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9828 * i386.md (fop_df_3 splitter): Fix operand number.
9830 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9832 * invoke.texi (-mreg-alloc): Nuke.
9833 * i386.c (ix86_reg_alloc_order, regs_allocated,
9834 order_regs_for_local_alloc): Nuke.
9835 (override_options): Kill reg_alloc code.
9836 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9837 (REG_ALLOC_ORDER): SSE goes before I387.
9838 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9839 (ix86_reg_alloc_order): Likewise.
9840 * i386-protos.h (ix86_reg_alloc_order): Kill.
9842 2001-02-14 Richard Henderson <rth@redhat.com>
9844 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9846 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9848 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9850 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9852 * i386-protos.h (ix86_memory_move_cost): Move offline.
9853 * i386.c (ix86_register_move_cost): Compute properly cost of
9854 SSE, MMX and i387 instructions.
9855 (*_cost): Add costs of SSE/MMX moves.
9856 (ix86_memory_move_cost): Move offline from ....; Likewise.
9857 * i386.h (MEMORY_MOVE_COST): .... here;
9858 (struct processor costs): Add new fields to represent costs
9861 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9863 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9864 move_cost together with Matt Kraai's fix.
9866 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9868 * Makefile.in (OBJS): Add params.o.
9870 2001-02-14 Richard Henderson <rth@redhat.com>
9871 DJ Delorie <dj@redhat.com>
9873 * jump.c (jump_optimize_1): When we delete a conditional jump
9874 preceeding a non-conditional jump to effectively the same place,
9875 make sure that the combined jump skips any clobber insns between
9878 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9880 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9882 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9884 * Makefile.in (toplev.o): Depend on params.h.
9885 (intergate.o): Likewise.
9886 (params.o): New target.
9887 * flags.h (inline_max_insns): Remove.
9888 * integrate.c: Include params.h.
9889 Use MAX_INLINE_INSNS instead of inline_max_insns.
9890 * params.c: New file.
9891 * params.h: Likewise.
9892 * params.def: Likewise.
9893 * toplev.c: Include params.h.
9894 (lang_independent_params): New variable.
9895 (decode_f_option): Use the param machinery instead of setting
9897 (independent_decode_option): Handle "--param name=value".
9898 (main): Register language-independent parameters.
9900 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9902 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9904 2001-02-14 Richard Henderson <rth@redhat.com>
9906 * regclass.c (init_reg_sets_1): Revert last two changes.
9908 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9910 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9911 (variable_size): Call put_pending_size.
9912 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9913 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9914 sizes list, put newly created SAVE_EXPR there as well.
9916 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9918 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9919 (errata_find_address_regs): load_group has only 2 entries.
9920 (errata_emit_nops): Likewise. shladd is not problematic.
9921 Clear last_group if nop was emitted.
9922 (fixup_errata): load_group has only 2 entries.
9925 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9927 * c-lex.c (lex_number): Only warn traditionally for U suffix
9928 outside system macros.
9929 * cppexp.c (parse_number): Similarly.
9930 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9931 * cppmacro.c (struct cpp_macro): New member node.
9932 (parse_args): Only warn about missing rest args if not
9934 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9935 (cpp_sys_objmacro_p): New.
9936 (_cpp_create_definition): Store the node with the macro defn.
9937 Remember if the macro is defined in a system header.
9939 2001-02-13 DJ Delorie <dj@redhat.com>
9941 * configure.in (check_languages): determine languages to check
9942 * Makefile.in (check-c++): alias for check-g++
9943 (check-f77): alias for check-g77
9944 (CHECK_TARGETS): depend on configured languages
9946 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9948 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9949 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9950 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9951 (sqrtextendsfdf2): Disable for SSE2.
9953 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9955 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9956 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9957 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9958 (sqrtextendsfdf2): Disable for SSE2.
9960 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9962 * i386.md (movsfcc_1): Support integer cmove instruction.
9963 (movdfcc_1): Likewise; new splitter.
9965 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9967 * i386.c (output_fp_compare): Support SSE.
9968 (prepare_fp_compare_args): SSE comparisons always support memory.
9969 * i386.h (TARGET_CMOVE): SSE imply cmove.
9970 * i386.md (cmp?f2): Enable for SSE too.
9971 (cmpfp_i*): Support SSE.
9973 (cmpfp_i_sse_only): New.
9974 (s*, b* fp expanters): Enable for SSE too.
9975 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9978 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9980 * regclass.c (init_reg_sets_1): Silence warning.
9982 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9984 * i386.md (sqrt?f2): Change to expander.
9985 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9987 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9989 * rtlanal.c (find_reg_equal_equiv_note): New function.
9990 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9991 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9992 * rtl.h: Add declarations for above functions.
9994 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9996 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9998 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9999 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
10000 * flow.c (mark_regs_live_at_end): Likewise.
10001 (calculate_global_regs_live): Likewise.
10002 * gcse.c (compute_hash_table): Likewise.
10003 (compute_kill_rd): Likewise.
10004 * resource.c (mark_target_live_regs): Likewise.
10005 * rtl.h (INVALID_REGNUM): New macro.
10007 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
10009 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10011 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
10013 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10016 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
10018 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10020 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10021 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10022 (fop_sf_1_sse, fop_df_1_sse): New patterns
10023 (fop_*): Disable float_extend and float patterns for SSE compilation.
10024 * i386.c (output_387_binary_op): Support SSE.
10026 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
10028 * i386.md (dummy_extendsfdf2): Support SSE2
10029 (extendsfdf2): Enable if 80387 or SSE2.
10030 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10031 and no MIX_I387_SSE2
10032 (extendsfdf2_1_sse_only): New pattern.
10033 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10035 (truncdfsf2_1): Support SSE.
10036 (truncdfsf2_2): Support SSE.
10037 (truncdfsf2_2_1_sse): New pattern.
10038 (fixtruncsfsi2): Always use SSE if available.
10039 (fix_truncsfsi_sse): New pattern.
10040 (fix_truncdfsi_sse): New pattern.
10041 (floatsis?f2): Support SSE.
10042 (floatsidf2_i387): New pattern.
10043 (floatsidf2_sse): Likewise.
10045 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10047 * configure.in: Use "have_gnat" variable, not "gnat".
10048 * configure: Regenerated.
10050 * config/sparc/sparc.c (function_value): Treat all non-record
10051 aggregate types like used to treat UNION_TYPE.
10053 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
10055 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10056 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10058 (MASK_MIX_SSE_I387): New.
10059 (TARGET_SSE): SSE2 imply SSE.
10060 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10061 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10062 (enum reg_class): Add new classes.
10063 (REG_CLASS_NAMES): Likewise.
10064 (REG_CLASS_CONTENTS): Likewise.
10065 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10066 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10067 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10068 (CLASS_MAX_NREGS): Use new macros.
10069 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10070 * i386.md (pushsf, movsf): Support SSE.
10071 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10072 splitters to use ANY_FP_REGNO_P.
10073 (movdf_nointeger, movdf_integer): Likewise.
10075 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10077 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10078 (try_combine): Use it.
10080 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
10082 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10083 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10084 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10085 (REGISTER_MOVE_COST): Likewise.
10086 * i386-protos.h (ix86_secondary_memory_needed,
10087 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10088 * i386.c (ix86_secondary_memory_needed,
10089 ix86_preferred_reload_class, ix86_register_move_cost): New function.
10091 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
10093 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10094 (HARD_REGNO_MODE_OK): Move offline to ....
10095 * i386.c (ix86_hard_regno_mode_ok) ... here;
10096 refuse all incorrect modes.
10097 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10099 2001-02-13 Richard Henderson <rth@redhat.com>
10101 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10102 entire operator; replicate that and match_dup the operands.
10103 (cmp_ccx_arith_op_set): Likewise.
10104 (cmp_cc_arith_op_not_set): Likewise.
10105 (cmp_ccx_arith_op_not_set): Likewise.
10107 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10109 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10111 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10113 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10114 (TARGET_NO_BITFIELD_WORD): New macro.
10115 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10116 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10118 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10120 * cselib.c: New file, from simplify-rtx.c.
10121 * simplify-rtx.c: Remove cselib parts.
10122 * Makefile.in: Add cselib.o.
10124 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10126 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10127 (setup_incoming_varargs): Remove warning.
10129 * config/rs6000/rs6000.c (validate_condition_mode): When
10130 flag_fast_math, allow floating-point conditionals to be reversed.
10131 (rs6000_generate_compare): When flag_fast_math, don't generate
10132 cror operations for FP conditionals.
10134 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10136 (ASM_SPEC): Likewise.
10137 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10138 (CC1_SPEC): Likewise.
10139 (LINK_TARGET_SPEC): Likewise.
10140 (CPP_ENDIAN_SPEC): Likewise.
10141 * Makefile.in (check-consistency): New target.
10143 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10145 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10146 "return type defaults" warning for functions with return type
10148 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10149 function declarations by default rather than only when pedantic.
10151 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10153 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10156 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10158 * extend.texi (Deprecated): Deprecate new initializer lists.
10160 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10162 * mkdeps.c (deps_add_default_target): Robustify. Add
10163 basename component only.
10164 * cpp.texi (-M): Describe how default target is generated.
10165 * invoke.texi (-M): Likewise.
10167 2001-02-12 Kazu Hirata <kazu@hxi.com>
10169 * toplev.c (push_float_handler): Remove.
10170 (pop_float_handler): Remove.
10171 * toplev.h: Remove prototypes for the above functions.
10173 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10175 * c-common.c (constant_fits_type_p): New function.
10176 (convert_and_check): Use it.
10178 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10180 * Makefile.in (GXX_ABI_FLAG): Don't define.
10181 * configure.in (--enable-new-gxx-abi): Remove option.
10182 * config.in: Regenerated.
10183 * configure: Likewise.
10185 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10187 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10189 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10190 regular basic block, and arrange for all edges into it to switch
10193 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10195 * Makefile.in (distclean): Do not remove .gdbinit.
10197 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10199 * Makefile.in (gcc.o): Fix typos.
10200 (protize.o): Likewise.
10201 (unprotoize.o): Likewise.
10203 2001-02-11 Richard Henderson <rth@redhat.com>
10205 * tree.c (build1): Check for null operand in last change.
10207 2001-02-11 Richard Henderson <rth@redhat.com>
10209 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10210 (fold): Don't assume a constant isn't foldable.
10211 * tree.c (build): Set TREE_CONSTANT for an expression with no
10212 side-effects and constant operands.
10213 (build1): Likewise.
10215 2001-02-10 Richard Henderson <rth@redhat.com>
10217 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10219 2001-02-10 Anthony Green <green@redhat.com>
10221 * cpp.texi (Standard Predefined): Add documentation for
10224 * c-common.c (combine_strings): Improve warning message.
10226 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10228 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10230 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10232 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10234 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10237 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10239 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10242 2001-02-09 Nick Clifton <nickc@redhat.com>
10244 * config/arm/arm.md: Change output contraint on post inc
10245 load/store multiple patterns to be a read/write contraint.
10247 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10249 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10250 .o files when using the -M options.
10252 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10253 David Edelsohn <edelsohn@gnu.org>
10255 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10256 handle DImode constants. Use one TOC entry for SImode and smaller
10257 constants, aligned properly.
10259 2001-02-08 Jason Merrill <jason@redhat.com>
10261 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10262 about the SP adjustment for saving the static chain pointer.
10263 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10264 offset when setting a temporary CFA register.
10266 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10268 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10269 powerpc-*-chorusos* .
10270 * config/rs6000/chorus.h : New file.
10271 * config/i386/chorus.h : New file.
10272 * config/sparc/chorus.h : New file.
10273 * config/sparc/t-chorus-elf : New file.
10275 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10277 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10278 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10279 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10280 (__WCHAR_TYPE__): Correct macro name.
10282 2001-02-08 Richard Henderson <rth@redhat.com>
10284 * config/i386/i386.c (ix86_frame_pointer_required): New.
10285 (ix86_setup_frame_addresses): New.
10286 (struct machine_funciton): Add accesses_prev_frame.
10287 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10288 ix86_frame_pointer_required.
10289 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10290 (SETUP_FRAME_ADDRESSES): New.
10291 * config/i386/i386-protos.h: Update.
10292 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10293 from FRAME_POINTER_REQUIRED.
10294 * config/i386/svr3gas.h: Likewise.
10295 * config/i386/sysv3.h: Likewise.
10296 * config/i386/v3gas.h: Likewise.
10298 2001-02-08 Richard Henderson <rth@redhat.com>
10300 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10301 calculation of the number of integer registers required.
10302 (function_arg_record_value): Likewise.
10304 2001-02-08 Jason Merrill <jason@redhat.com>
10306 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10307 two. Print file and line with "confused" message.
10309 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10311 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10313 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10315 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10317 * final.c (cleanup_subreg_operands): The address of a MEM can
10320 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10323 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10325 * gcc.texi (Incompatibilities): Update documentation of
10326 preprocessing numbers.
10328 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10330 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10332 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10334 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10336 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10337 * gcc.c (struct compiler): Add cpp_spec field.
10338 (input_file_compiler): New variable.
10339 (do_spec_1): Allow a particular compiler to handle `%C'
10341 (main): Store the current compiler in input_file_compiler.
10342 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10344 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10346 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10347 * cppinit.c (cpp_create_reader): Initialize them.
10348 (append_include_chain): cxx_aware arg might be unused.
10349 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10350 keywords and give them their phase 7 meaning. Pedwarn about
10351 this unless '__bool_true_false_are_defined' is defined.
10353 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10355 * lcm.c (optimize_mode_switching): Emit mode_set before the
10356 JUMP_INSN of an abnormal edge.
10358 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10360 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10361 a scheduling barrier at the end.
10363 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10365 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10367 * config/sh/sh.md (reload_outsf): Removed.
10368 (movsf_ie): Introduce constraints for FPUL loads and stores.
10369 (reload_insf): Broaden the output constraint.
10371 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10373 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10374 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10376 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10378 * final.c: Revert my previous changes.
10379 * output.h: Make profile_label_no extern.
10380 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10381 for generating label.
10383 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10385 * config/i386/djgpp.h: Add comments about standard paths.
10386 (MD_EXEC_PREFIX): Undefine before defining.
10387 (MD_STARTFILE_PREFIX): New.
10389 2001-01-30 Bruce Korb <bkorb@gnu.org>
10391 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10392 (load_file): do not rely on load_file_data() to close file pointer
10393 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10394 fixinc/inclhack.def(irix_limits_const): add test_text
10396 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10398 * cppexp.c (parse_defined): Improve diagnostics for invalid
10401 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10403 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10405 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10407 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10408 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10409 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10410 (rs6000_output_symbol_ref): New function.
10411 (output_toc): Use VTABLE_NAME_P.
10413 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10415 * print-tree.c (print_node, case PARM_DECL):
10416 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10418 * stor-layout.c (reference_types_internal): New variable.
10419 (internal_reference_types): New function.
10420 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10421 * tree.h (internal_reference_types): New declaration.
10423 * cse.c (find_best_addr): Fix typo in computing cost.
10425 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10427 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10428 and this is the sum of a pointer and a constant, we know the result
10430 (num_sign_bit_copies, case PLUS): Likewise.
10431 * explow.c (convert_memory_address): Remove opposite SUBREG.
10432 * function.c (instantiate_new_reg): New function (from common code).
10433 (instantiate_virtual_regs_1): Call it.
10434 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10435 if pointers sign- or zero-extend.
10436 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10437 If pointers extend unsigned, use inside of SUBREG.
10438 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10440 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10442 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10443 subdir of gcc_gxx_include_dir.
10444 (gcc_gxx_target_include_dir): Remove.
10446 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10448 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10449 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10450 a high-level description.
10452 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10454 * final.c: Move the declaration of profile_label_no to ...
10455 * output.h: ... here.
10456 * function.c (expand_function_start): Call PROFILE_HOOK.
10457 * config/rs6000/aix.h: Define PROFILE_HOOK.
10458 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10459 * config/rs6000/rs6000.c (output_profile_hook): Define.
10460 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10461 output_profile_hook.
10462 tm.texi : Explain new macro PROFILE_HOOK.
10464 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10466 * extend.texi (Extended Asm): Do not say that semicolon is always
10467 a valid line-breaking character for GNU assemblers. Use
10468 newline-tab as the most commonly supported syntax. Use
10469 newline-tab rather than semicolon in multi-insn examples.
10471 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10473 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10475 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10476 David Edelsohn <edelsohn@gnu.org>
10478 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10479 code for AIX, even without flag_pic.
10481 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10483 * c-typeck.c (common_type): push and pop binding level around
10484 calling common_type on function parameters.
10486 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10488 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10490 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10492 * config/mips/mips.c (override_options): Fix typo in last change.
10493 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10494 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10496 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10498 * invoke.texi (-fdump-class-layout): Document.
10499 (-fdump-translation-unit): Use `=' as filename separator.
10501 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10503 * Makefile.in (s-mlib): Don't build multilibs if
10504 --disable-multilib.
10505 (DRIVER_DEFINES): Adjust accordingly.
10507 (protoize.o): Likewise.
10508 (unprotoize.o): Likewise.
10509 * configure.in: Recognize --enable-multilib.
10511 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10513 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10515 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10516 * configure.in: Remove --enable-libstdcxx_v3 support.
10517 * configure: Regenerated.
10519 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10521 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10522 Call abort instead of fatal.
10523 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10524 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10525 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10526 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10527 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10528 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10530 * diagnostic.h (set_internal_error_function): Renamed.
10531 * toplev.h (internal_error): Renamed from fatal.
10532 (pfatal_with_name): Deleted.
10533 (fatal_io_error): Now has printf-style arguments.
10534 * diagnostic.c (pfatal_with_name): Deleted.
10535 (fatal_io_error): Rework to have args in printf-style.
10536 (set_internal_error_function): Renamed from set_fatal_function.
10537 (internal_error): Renamed from fatal.
10538 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10539 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10540 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10541 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10542 * flow.c (verify_flow_info): Likewise.
10543 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10544 * config/mips/mips.c (save_restore_insns): Likewise.
10546 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10547 * flow.c (verify_flow_info): Likewise.
10548 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10549 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10550 (avr_normalize_condition): Likewise.
10551 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10552 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10553 (limit_reload_class, double_reg_to_memory): Likewise.
10554 (print_operand_address, emit_1600_code_shift): Likewise.
10555 (gen_tst_reg, gen_compare_reg): Likewise.
10556 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10557 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10559 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10561 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10562 * objc/objc-act.c (build_ivar_chain): Likewise.
10563 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10565 * graph.c (clean_graph_dump_file): Likewise.
10566 * profile.c (init_branch_prob): Likewise.
10567 * objc/objc-act.c (objc_init): Likewise.
10569 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10570 * config/avr/avr.c (avr_override_options): Likewise.
10571 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10572 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10573 * config/h8300/h8300.c (h8300_init_once): Likewise.
10574 * config/mips/mips.c (override_options): Likewise.
10575 * config/i386/i386.c (override_options): Likewise, rework.
10576 * config/m68k/m68k.c (override_options): Likewise.
10578 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10580 * config/mips/mips.c (print_operand): Likewise.
10581 * hash.c (hash_allocate): Don't check for failure returns from
10582 obstack functions that can't fail.
10583 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10584 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10585 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10586 (get_object_reference): Likewise.
10588 2001-02-04 Nick Clifton <nickc@redhat.com>
10590 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10591 StrongARM1110, 10TDMI, and 1020T.
10593 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10595 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10597 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10599 * config/sh/sh.md (movdf load split): Pass register number to
10600 FP_OR_XD_REGISTER_P.
10602 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10604 * cppinit.c (BC): New macro.
10605 (builtin_array): Add __GXX_WEAK__.
10606 * cpplib.h (builtin_type): Add BT_WEAK.
10607 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10608 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10609 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10611 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10613 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10615 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10617 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10618 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10620 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10622 * cpphash.h: Rename ALIGN _ALIGN.
10623 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10625 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10627 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10628 compilation environment.
10629 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10630 control over location of cygwin includes and libs.
10632 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10634 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10636 2001-02-02 lars brinkhoff <lars@nocrew.org>
10638 * md.texi (Standard Names): remove reference to spur.md.
10640 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10642 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10643 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10644 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10645 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10646 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10648 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10650 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10651 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10652 number before reload.
10653 (c4x_adjust_cost): Return zero before reload.
10654 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10655 split before reload.
10657 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10659 * c4x.c (c4x_hard_regno_rename_ok): New.
10660 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10661 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10663 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10665 * diagnostic.h: Add missing "extern" in all declarations.
10667 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10669 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10670 as for gcc_gxx_include_dir.
10672 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10674 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10676 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10678 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10679 label before alignment to be used as the braf base address.
10680 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10682 (casesi_jump_2): Require at least TARGET_SH2.
10684 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10685 truncation to 32-bit doubles on -m3e and -m4-single-only.
10687 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10689 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10690 the default when building a shared object.
10691 (init_spec): Use it.
10692 * testsuite/lib/g++.exp: Include the directory where libgcc
10693 is located to the LD_LIBRARY_PATH list.
10694 * invoke.texi (-shared-libgcc): Document the cases in which
10695 GCC defaults to using the shared libgcc.
10697 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10699 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10700 unsigned is wide enough.
10701 (BITS_PER_SI): New.
10702 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10703 (si_to_float): Likewise.
10704 (float_to_si, float_to_usi): Use BITS_PER_SI.
10706 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10708 * dwarf2out.c: Added explanation of abbreviations.
10709 (def_cfa_1): Added comments listing DWARF2 instructions.
10710 (cfa_temp_reg): Removed in favor of cfa_temp.
10711 (cfa_temp_value): Removed in favor of cfa_temp.
10712 (cfa_temp): New global variable.
10713 (dwarf2out_frame_debug_expr): Added extensive introductory
10714 comments explaining the function's transformations. Revised to
10715 use cfa_temp. Added some rtx checking. Generalize IOR case.
10716 (dwarf2out_frame_debug): Revised to use cfa_temp.
10717 (output_aranges): Cast as "unsigned" to avoid warning.
10718 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10719 explain which instructions must be marked.
10721 2001-02-01 Richard Henderson <rth@redhat.com>
10723 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10726 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10728 * config/sh/crt1.asm (main_k): Modified so that start calls
10729 ___setup_argv_and_call_main.
10731 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10733 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10734 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10735 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10736 * cppmacro.c (builtin_macro): Set builtin flags here.
10737 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10738 (replace_args): Clarify intent.
10739 (cpp_get_token): Macro expansion tokens get the saved flags.
10741 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10744 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10746 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10749 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10751 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10752 returns Pmode pseudo, but we need ptr_mode.
10753 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10754 Remove bogus conversions; use HOST_WIDE_INT for size.
10755 Don't use TARGET if wrong mode.
10757 * config/i386/i386.c (ix86_compute_frame_size): Allow
10758 stack_alignment_needed to be non-default even if size is zero.
10760 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10762 * pa.c (hppa_init_pic_save): New function.
10763 * pa.h (hppa_init_pic_save): Declare.
10764 * pa.md (call, call_value, sibcall, sibcall_value): Use
10765 the above instead of duplicated code.
10767 * pa.c (hppa_encode_label): Correct size of alloca buffer
10768 so we don't overrun it. Correct leading `*' case.
10769 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10770 need to handle `*@'.
10771 (FUNCTION_NAME_P): Likewise.
10773 2001-01-31 Richard Henderson <rth@redhat.com>
10775 * config.gcc (alpha-osf5): Use float-i128.h.
10777 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10778 * config/float-i32.h: Likewise.
10779 * config/float-i64.h: Likewise.
10780 * config/float-sh.h: Likewise.
10781 * config/float-sparc.h: Likewise.
10783 2001-01-31 DJ Delorie <dj@redhat.com>
10785 * expmed.c (extract_bit_field): allow non-integral modes if we
10786 want to extract a whole register from itself.
10788 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10790 * c-typeck.c (set_init_index): If first is equal to last, assume as
10791 if it was not a range at all.
10793 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10795 * config/fp-bit.c: Include tm.h.
10796 (float_to_si): Don't assume SImode is 32-bits wide.
10797 (float_to_usi): Likewise.
10799 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10801 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10803 (typename): Call pending_xref_error after parsing typed_typespecs.
10804 * c-decl.c (lookup_tag): Give error immediately rather than
10805 leaving it pending if the tag of the wrong type is in the same
10807 (xref_tag): Don't pedwarn for forward declarations of enum types
10809 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10812 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10814 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10816 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10818 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10819 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10821 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10823 * cpphash.h (struct cpp_reader): New saved_flags.
10824 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10825 to avoid a paste after a pasted token.
10827 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10829 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10830 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10831 Wtype_MIN instead of LONG_MIN.
10833 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10835 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10837 * fixinc/fixincl.x: Regenerated.
10838 * fixinc/inclhack.def (irix_limits_const): New definition to
10839 convert "const" to "__const" in limits.h.
10841 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10843 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10845 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10847 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10848 when register dies in the insn.
10850 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10852 * diagnostic.c (fatal): Fix word wrap.
10854 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10856 * combine.c (try_combine): Fix SUBREG setting for
10857 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10859 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10861 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10864 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10866 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10868 * toplev.c (decode_W_option): Update warn_larger_than
10869 unconditionally for each processed switch.
10871 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10873 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10875 (hppa_expand_prologue): Delete code to save pic offset table register
10876 in the function prologue.
10877 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10878 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10879 table register at the beginning of the function after the prologue.
10881 2001-01-29 lars brinkhoff <lars@nocrew.org>
10883 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10885 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10886 Jeff Law <law@redhat.com>
10888 * pa.md (return): Revise comment for trivial return.
10889 (return_internal): Non-trivial return pattern for non-PIC code.
10890 (return_internal_pic): Non-trivial return pattern for PIC code.
10891 It uses the PIC register to ensure it is restored after
10893 (epilogue): Generate appropriate return for PIC and non-PIC code.
10895 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10897 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10899 2001-01-29 DJ Delorie <dj@redhat.com>
10901 * combine.c (if_then_else_cond): Pass the correct mode to
10902 operand_subword() for constants.
10904 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10906 * config/i386/cygwin.h: Add w32api to include search. Search different
10907 directories in a cross-build environment.
10909 2001-11-29 Tim Josling <tej@melbpc.org.au>
10911 * tree.h (TYPE_STUB_DECL): Add documentation.
10913 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10915 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10916 (sdbout_field_types): Likwise. Fix use of host_integerp.
10918 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10920 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10923 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10925 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10926 to use flag_gnu_linker.
10928 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10930 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10931 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10933 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10935 * tree.c, tree.h (build_parse_node): Remove; was identical to
10937 * c-lang.c (start_cdtor), objc/objc-act.c
10938 (build_module_descriptor): Use build_nt instead of
10941 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10943 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10944 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10945 not have any upper bits set.
10947 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10949 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10951 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10953 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10955 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10957 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10958 (integer_minus_one_node): Define.
10960 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10962 * Makefile.in (bootstrap2-lean): Fix typo.
10964 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10966 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10967 : Don't set fe_value.
10968 * cpplib.h (AVOID_LPASTE): New flag.
10969 (struct cpp_hashnode): Remove fe_value.
10970 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10971 * cppmacro.c (builtin_macro): Don't set flags here.
10972 (replace_args): Set AVOID_LPASTE flag on first token of an
10973 argument, and the token following it.
10974 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10975 macro expansion, and on the token following it. Do it for
10977 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10979 2001-01-27 Richard Henderson <rth@redhat.com>
10981 * config/alpha/t-ieee: Remove multilibbing.
10982 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10984 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10986 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10988 * Makefile.in: Remove all dependencies on defaults.h.
10989 * builtins.c: Don't include defaults.h.
10990 * c-common.c: Likewise.
10991 * c-decl.c: Likewise.
10992 * c-pragma.c: Likewise.
10993 * c-typeck.c: Likewise.
10994 * combine.c: Likewise.
10995 * i386.c: Likewise.
10996 * frame-ia64.c: Likewise.
10997 * cppexp.c: Likewise.
10998 * crtstuff.c: Likewise.
10999 * dbxout.c: Likewise.
11000 * dwarf2out.c: Likewise.
11001 * dwarfout.c: Likewise.
11002 * emit-rtl.c: Likewise.
11003 * except.c: Likewise.
11004 * expr.c: Likewise.
11005 * final.c: Likewise.
11006 * frame-dwarf2.c: Likewise.
11007 * libgcc2.c: Likewise.
11008 * optabs.c: Likewise.
11009 * profile.c: Likewise.
11010 * sdbout.c: Likewise.
11011 * toplev.c: Likewise.
11012 * tradcif.y: Likewise.
11013 * tree.c: Likewise.
11014 * varasm.c: Likewise.
11016 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11018 * builtins.c (expand_builtin_fputs): Use size_one_node when
11019 transforming into fwrite.
11021 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
11023 * extend.texi (Attribute Syntax): New section.
11025 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11027 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
11028 they didn't need fixing.
11030 2001-01-27 Janis Johnson <janis@us.ibm.com>
11032 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11034 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11035 to remove macro definitions that are duplicated from elfos.h.
11037 2001-01-27 Richard Henderson <rth@redhat.com>
11039 * config/i386/sco5gas.h: Move ...
11040 * config/usegas.h: ... here.
11041 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11043 2001-01-27 Jakub Jelinek <jakub@redhat.com>
11045 * c-typeck.c (struct constructor_stack): Add range_stack member.
11046 (really_start_incremental_init): Clear it.
11047 (push_init_level): Save constructor_range_stack and clear it if
11048 pushing explicit braces.
11049 (pop_init_level): abort if constructor_range_stack is non-zero at
11050 explicit closing brace. Restore saved constructor_range_stack if
11053 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11055 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11056 into register was forced into memory.
11058 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11060 * Makefile.in: Remove uses of + before $(MAKE).
11062 2001-01-26 Richard Henderson <rth@redhat.com>
11064 * stmt.c (cost_table): Remove.
11065 (COST_TABLE, cost_table_initialized): New.
11066 (estimate_case_costs): Use the later instead of the former.
11067 (balance_case_nodes): Likewise.
11069 2001-01-26 Richard Henderson <rth@redhat.com>
11071 * alias.c (objects_must_conflict_p): Read-only slots may not
11072 conflict despite having the same type.
11074 2001-01-27 Michael Hayes <mhayes@redhat.com>
11076 * loop.c (loop_giv_reduce_benefit): Copy mode size into
11078 (check_ext_dependant_givs): Initialise u_start_val and
11080 (load_mems): Make last_max_reg unsigned.
11081 (try_swap_copy_prop): Use INSN_P and initialise set.
11083 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
11085 * README.AVR : Removed.
11087 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
11089 * pa-64.h (text_section): Remove declaration.
11091 * pa.md (return_internal): Remove mode on PIC register use.
11093 2001-01-25 lars brinkhoff <lars@nocrew.org>
11095 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11096 ASM_CLOSE_PAREN): fix typos.
11098 2001-01-25 Mark Mitchell <mark@codesourcery.com>
11100 * acconfig.h: Define `const' to the empty string if neither
11101 __STDC__ nor __cplusplus is defined.
11102 * config.in: Regenerated.
11104 2001-01-25 David Edelsohn <edelsohn@gnu.org>
11106 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11107 * collect2.c (main): Delete importf. Add ".obj" file extension.
11108 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11109 (aix_std_libs): Add additional AIX libraries to skip.
11110 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11111 * config/rs6000/aix51.h: New file.
11113 2001-01-25 Michael Hayes <mhayes@redhat.com>
11115 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11116 (loop_insn_emit_before): No longer static.
11117 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11118 (loop_givs_rescan, load_mems): Likewise.
11119 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11120 (maybe_eliminate_biv_1):
11121 (move_movables): Replace emit_call_insn_before with
11122 loop_call_insn_hoist.
11123 * loop.h (loop_insn_emit_before): Add.
11124 * unroll.c (copy_loop_body): Replace emit_insn_before with
11125 loop_insn_emit_before.
11127 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11129 * diagnostic.c (fatal): Request preprocessed source.
11131 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11133 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11134 olddecl has argument types and newdecl has none, use the argument
11135 types from olddecl.
11137 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11139 * dwarf2out.c (prefix_of): New function. Determine longest common
11140 prefix of the two arguments. The units are whole path components.
11141 (output_file_names): When adding a new directory find the one entry
11142 with the longest common prefix already in the list. Artificially
11143 generate entry if there is none for this prefix.
11144 Fix test to check whether the zeroth directory entry is used.
11146 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11148 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11149 Changed all callers. Take it into account when deciding if a
11150 previously loaded value matches.
11152 2001-01-24 Richard Henderson <rth@redhat.com>
11154 * reload.c (find_reloads_subreg_address): Fail the substitution
11155 if the resulting address is insufficiently aligned.
11157 2001-01-24 DJ Delorie <dj@redhat.com>
11159 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11160 check the original operand's mode also.
11161 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11163 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11165 * c-parse.in (cast_expr): Move compound literals from here ...
11166 (primary): ... to here. Use standard terminology "compound
11167 literal" instead of "constructor expression".
11169 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11171 * gcc.1, cpp.1: Regenerate.
11173 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11175 * calls.c (emit_library_call_value_1): Memory slot for
11176 pass-by-reference argument should have the mode of the argument,
11177 not of the pointer to it.
11179 2001-01-24 Tom Tromey <tromey@redhat.com>
11181 * gcc.texi (G++ and GCC): Mention gcj manual.
11182 (Standards): Link to section of manual mentioning gcj/Java
11185 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11187 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11188 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11189 * tradcpp.c (main): Add -imacros or -include'd dependencies
11191 * cpp.texi (-M, -MM): Document -M -include behaviour.
11193 2001-01-24 Roger Collins <roger@ProProject.com>
11195 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11197 2001-01-24 Will Cohen <wcohen@redhat.com>
11199 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11200 whether registers are 32 bits or 64 bits in size.
11202 2001-01-24 Ben Elliston <bje@redhat.com>
11204 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11206 2001-01-24 Richard Henderson <rth@redhat.com>
11208 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11209 (builtin_longjmp): Use it instead of emit_indirect_jump.
11211 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11213 * bb-reorder.c (make_reorder_chain_1): Handle case where
11214 jump edge goes to the same block as the fallthru edge.
11216 2001-01-23 Jim Wilson <wilson@redhat.com>
11218 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11219 * frame.h (__ia64_personality_v1): Add prototype.
11220 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11221 prototype form. Add void * cast to first argument to personality
11223 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11224 (asctoe113): Likewise.
11225 * config/ia64/frame-ia64.c: Include eh-common.h.
11226 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11228 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11230 (itanium_split_issue): Add prototype.
11231 (gen_nop_type): Ifdef out.
11232 (find_best_packet): Initialize best_packet.
11233 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11235 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11236 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11237 (flushrs): Add explicit stop bit at end.
11238 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11241 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11243 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11245 * libgcc2.c (__terminate_func): Make variable static.
11246 (__terminate_set_func): New function to set __terminate_func.
11247 * libgcc2.h (__terminate_func_ptr): New typedef.
11248 (__terminate_set_func): New function.
11250 2001-01-23 Richard Henderson <rth@redhat.com>
11252 * flow.c (init_propagate_block_info): Don't consider unchanging
11253 memories for dead frame store elimination.
11255 2001-01-23 Richard Henderson <rth@redhat.com>
11257 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11258 * defaults.h: ... here.
11260 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11262 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11264 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11266 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11268 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11270 * rs6000.h (rs6000_return_addr): Move prototype from here...
11271 * rs6000-protos.h (rs6000_return_addr): ...to here.
11272 (rs6000_init_expanders): Delete prototype.
11274 2001-01-23 Nick Clifton <nickc@redhat.com>
11276 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11277 (Spec Files): Document %B and %j and %. and %v3 and %M and
11278 %{S*&T} spec switches.
11280 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11282 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11284 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11285 Neil Booth <neil@daikokuya.demon.co.uk>
11287 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11288 Have -Werror make pedantic warnings errors, like the
11291 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11293 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11295 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11297 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11298 * integrate.c (expand_inline_function): Initialize them.
11299 (subst_constants): If changing COMPARE so that both its arguments
11300 will be VOIDmode and the comparison mode will be lost, note
11301 compare_mode. Use the recorded compare_mode to optimize
11304 2001-01-23 Jason Merrill <jason@redhat.com>
11306 * dwarf2out.c (new_die): Use xcalloc.
11307 (output_die): Abort rather than emit a local reference to offset 0.
11309 2001-01-17 Andrew Haley <aph@redhat.com>
11311 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11312 of a saved register; return NULL instead.
11313 (copy_reg): Take a pointer to a source register rather than a
11315 (next_stack_level): Remember the address in the stack frame of all
11317 Use the saved register pointer array as the source of the CFA.
11318 (throw_helper): Rewrite. Unwind once rather than twice and keep
11319 track of saved registers as we go.
11321 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11323 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11324 * c4x.c (c4x_legitimize_reload_address): Remove.
11325 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11326 reload address for ldp(k) insn.
11328 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11330 * pa.md (return_internal): Add a USE of the PIC register to ensure
11331 it is restored after each call.
11332 (return expander): Corresponding changes.
11334 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11336 * rs6000.h (INIT_EXPANDERS): Delete.
11337 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11338 * rs6000.c (rs6000_override_options): Call *_machine_status from
11340 (rs6000_init_expanders): ...instead of here. Delete.
11341 (rs6000_mark_machine_status): New function.
11342 (rs6000_init_machine_status): Use xcalloc.
11343 (rs6000_return_addr): Generate RTX for the return address.
11344 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11345 (rs6000_stack_info): Use it.
11347 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11349 * gthr-win32.h: Include errno.h to get a declaration for
11350 EINVAL and _mingw.h if the target is mingw32.
11352 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11354 * cpp.texi: Correct typos.
11356 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11358 * explow.c (probe_stack_range): Ensure value passed to
11359 stack_check_libfunc is ptr_mode, not Pmode.
11361 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11363 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11364 case, don't use operand_subword to calculate a SUBREG that is
11367 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11369 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11371 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11372 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11373 valid. If not replace it by equivalent insns.
11375 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11377 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11378 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11379 (c4x_U_constraint, symbolic_address_operand): Likewise.
11380 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11382 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11383 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11384 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11385 anulling slot because of silicon bug.
11386 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11388 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11390 * cppexp.c (parse_charconst): Change `mask' type to agree
11393 2001-01-21 Richard Henderson <rth@redhat.com>
11395 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11396 pic_label_name in a linkonce section.
11398 2001-01-17 Philipp Thomas <pthomas@suse.de>
11400 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11402 * configure: Regenerate.
11404 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11406 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11407 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11409 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11411 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11412 If REVERSE nonzero then condition code in X must be reversed.
11413 (encode_section_info): Optimise if/else.
11414 (avr_function_value): Fix formatting.
11416 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11417 (difficult_branch): Likewise.
11418 (rvbranch): Likewise.
11419 (difficult_rvbranch): Likewise.
11421 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11423 * config/avr/libgcc.S: Fix comment.
11425 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11427 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11429 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11431 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11433 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11435 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11436 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11437 * configure, config.in: Regenerate.
11438 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11439 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11440 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11441 (doprint.o): New rule.
11443 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11445 * c-typeck.c (digest_init): Handle boolean types as scalars.
11447 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11449 * stmt.c (expand_return): Don't return anything if size is zero.
11450 Delete redundant assignment to BYTES.
11451 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11453 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11455 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11456 the same as the default library function names.
11457 * config/avr/avr.md: Document special characters after '%'.
11458 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11459 knowing which of the call-used registers are really clobbered.
11460 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11461 New. Both quotient and remainder from one libgcc.S call.
11462 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11463 clobber as few registers as possible.
11464 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11466 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11468 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11469 context of the top of the stack.
11471 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11473 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11474 (fixup_var_refs_insns): ...here.
11476 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11478 * function.c (fixup_var_refs_insns): Break up into
11479 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11480 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11481 [loop over hash table entries].
11482 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11483 fixup_var_refs_insns_with_hash, to match above changes.
11485 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11487 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11488 (libgcc.a): Likewise.
11489 (stmp-multilib): Likewise.
11490 (STAGE2_FLAGS_TO_PASS): Likewise.
11492 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11494 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11495 temporary if no_new_pseudos.
11497 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11499 * cppinternals.texi: Update.
11501 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11503 * arm.c (arm_init_builtins): Re-enable builtins.
11505 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11507 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11508 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11509 element to be null, and always expect an EXPR_LIST.
11510 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11511 * sched-deps.c (sched_analyze_1): Likewise.
11512 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11514 * regclass.c (max_set_parallel): New variable.
11515 (reg_scan): Take it into account in computation of max_parallel.
11516 (reg_scan_mark_refs, case SET): Compute it.
11518 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11520 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11521 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11523 2001-01-19 Jason Merrill <jason@redhat.com>
11525 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11526 for the abstract instance of an inline function.
11528 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11529 J"orn Rennecke <amylaar@redhat.com>
11531 * reload1.c (move2add_note_store): Treat all registers directly or
11532 indirectly derived from a base register as members of the same set
11534 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11535 of base register into account.
11537 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11539 * alias.c (find_base_value): Recognize TRUNCATE.
11540 (record_set): In PLUS case, invalidate if other summand is also a
11543 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11545 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11546 entry to be EXPR_LIST.
11547 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11548 be an EXPR_LIST (but not null, which other code doesn't allow).
11549 (note_stores): Properly handle PARALLEL in SET.
11550 Recursively call for top-level PARALLEL.
11551 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11552 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11554 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11556 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11558 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11559 not pfile->skipping (== 0).
11561 2001-01-17 Nick Clifton <nickc@redhat.com>
11563 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11566 2001-01-17 Jim Wilson <wilson@redhat.com>
11568 * invoke.texi (IA-64 options): Improve.
11570 2001-01-17 Tom Tromey <tromey@redhat.com>
11572 * invoke.texi (Optimize Options): Use `{}' to around @samp
11575 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11577 * invoke.texi (-fno-guess-branch-probability): New option.
11579 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11581 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11582 case of making new double-word constant.
11583 Revert last change: instead just test i3_subst_into_i2.
11585 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11587 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11588 Use q constraints instead of r.
11590 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11592 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11593 (machine_function): Define.
11594 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11595 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11596 pa_free_machine_status): New functions.
11597 (override_options): Set {init,mark,free}_machine_status to above.
11598 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11599 PIC_OFFSET_TABLE_REGNUM_SAVED.
11600 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11601 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11602 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11603 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11604 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11606 2001-01-15 DJ Delorie <dj@redhat.com>
11608 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11612 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11614 * flow.c (propagate_one_insn): Make trying to delete a prologue
11615 or epilogue insn an ICE, not a warning. Allow doing this if
11616 the current function returns with stack pointer depressed.
11618 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11619 I3 having more than one SET.
11621 2001-01-16 Jim Wilson <wilson@redhat.com>
11623 * invoke.texi: Document IA-64 options.
11625 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11626 (fixup_errata): Delete TARGET_A_STEP use.
11627 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11628 (TARGET_SWITCHES): Delete -ma-step option.
11629 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11630 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11631 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11632 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11633 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11634 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11636 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11637 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11638 cmovsi_internal): Delete ! TARGET_A_STEP check.
11640 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11642 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11643 possibility to report bugs via postal mail. Change a URL and
11644 merge in a nearly duplicate statement...
11645 (Bug Reporting): ...from here.
11646 (Service): Refer to the Bug Reporting section instead of
11647 duplicating an URL.
11648 (Contributing): Remove trivial explanations concerning snapshots.
11650 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11652 * cppmain.c (general_init): Don't use ANSI prototype.
11654 2001-01-16 Tom Tromey <tromey@redhat.com>
11656 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11658 2001-01-16 Richard Henderson <rth@redhat.com>
11660 * config/i386/i386.h: Fix comment typo.
11661 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11662 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11664 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11666 * gcc.c: Revert previous -fsyntax-only-related change; move
11669 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11671 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11672 inmode after checking GET_CODE (op).
11674 2001-01-16 Richard Henderson <rth@redhat.com>
11676 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11677 (MAX_MEM_SET_LIST_LEN): New.
11678 (propagate_one_insn): Update mem_set_list_len.
11679 (invalidate_mems_from_autoinc): Likewise.
11680 (invalidate_mems_from_set): Likewise.
11681 (mark_used_regs): Likewise.
11682 (init_propagate_block_info): Likewise. Stop collecting memories
11683 when we reach MAX_MEM_SET_LIST_LEN.
11684 (mark_set_1): Likewise.
11686 2001-01-16 Richard Henderson <rth@redhat.com>
11688 * unroll.c (precondition_loop_p): Fail if no iteration
11691 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11693 * gcc.c: When -fsyntax-only is given, do not complain about
11696 2001-01-15 Richard Henderson <rth@redhat.com>
11698 * config/i386/i386.c (asm_output_function_prefix): Remove.
11699 (ix86_asm_file_end): New.
11700 (load_pic_register): Generate pic_label_name into a
11701 staticly allocated buffer.
11702 * config/i386/i386-protos.h: Update.
11703 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11704 (ASM_FILE_END): New.
11705 * config/i386/i386afe.h: New file.
11706 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11707 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11708 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11709 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11710 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11711 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11712 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11714 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11716 * Makefile.in (install-man): Remove explicit dependency on
11719 * configure.in, configure: Revert previous patch requiring perl
11722 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11724 * toplev.c (flag_guess_branch_prob): New.
11725 (f_options): Add guess-branch-probability option.
11726 (rest_of_decl_compilation): Only estimate branch probability if
11728 (main): set flag_guess_branch_prob.
11730 * flags.h (flag_guess_branch_prob): New.
11732 2001-01-15 DJ Delorie <dj@redhat.com>
11734 * gcc.texi (Makefile): Add documentation for Makefile targets.
11736 2001-01-15 Philip Blundell <philb@gnu.org>
11738 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11740 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11741 (is_pic): Delete declaration.
11742 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11743 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11744 * config/arm/arm.md (builtin_setjmp_receiver): New.
11746 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11748 * arm.c (use_return_insn): Don't try to determine the function type
11749 until after reload has completed.
11750 (arm_output_epilogue): Don't adjust the sp value recovered from the
11752 (emit_multi_reg_push): Don't record dwarf information for the pc.
11753 * arm.md (eh_epilogue): The function type may have changed, so it
11754 needs to be recalculated.
11755 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11756 unwind tables on arm/netbsd.
11758 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11760 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11761 (negated_cbranchsi4): Likewise.
11763 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11765 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11766 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11767 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11768 pass -mapcs-* options to assembler.
11769 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11770 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11771 (ASM_SPEC): Call subtarget_extra_asm_spec.
11773 2001-01-15 Andreas Jaeger <aj@suse.de>
11775 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11777 (ix86_expand_builtin): Likewise.
11779 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11780 warning about comparison between signed and unsigned.
11782 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11784 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11786 2001-01-14 Ralf Baechle <ralf@gnu.org>
11788 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11789 SUBTARGET_CPP_SPEC apropriatly.
11791 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11793 * varasm.c (make_decl_rtl): Fix typo in last change.
11795 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11797 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11798 linker supports the init_priority C++ attribute.
11799 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11800 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11801 linker does not support init_priority C++ attribute.
11803 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11805 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11807 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11809 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11810 * cp/lex.c (finish_parse): Similarly.
11811 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11812 Return the number of errors encountered.
11813 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11814 * cppmain.c (main): Don't call cpp_destroy.
11816 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11818 * configure.in: Require at least perl 5.6.0 to regenerate
11820 * configure: Regenerate.
11822 2001-01-14 Richard Henderson <rth@redhat.com>
11824 * genrecog.c (DT_veclen_ge): New.
11825 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11826 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11827 (nodes_identical_1): Handle DT_veclen_ge.
11828 (write_cond, debug_decision_2): Likewise.
11830 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11832 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11834 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11836 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11838 * cppmain.c (do_preprocessing): New function; most of the old
11840 (main): Call it to do most of the work.
11841 (cb): Move from global scope to set_callbacks ().
11842 (setup_callbacks): Get the callback pointer.
11843 (general_init, printer_init): Clean up code and comments.
11845 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11847 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11850 2001-01-14 Kazu Hirata <kazu@hxi.com>
11852 * config/h8300/h8300.c (get_shift_alg): Update comments.
11854 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11856 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11857 (alloc_page, ggc_alloc): Add casts to remove warnings.
11859 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11861 * combine.c (simplify_comparison): Don't change `code' when
11862 can't reverse comparison.
11864 2001-01-14 Richard Henderson <rth@redhat.com>
11866 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11867 update all call sites. Return true for all non-label constants.
11869 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11871 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11873 (ix86_expand_branch): Update.
11874 (ix86_expand_setcc): Update to handle multiple test conditions.
11875 (expand_int_movcc): Likewise.
11876 (expand_fp_movcc): Likewise.
11877 * i386-protos.h (ix86_expand_compare): New.
11878 * i386.md (andqi_?_slp, orqi_?_slp): New.
11879 (conditional trap expander): Update call to ix86_expand_compare.
11881 2001-01-14 Richard Henderson <rth@redhat.com>
11883 * config/vax/vax.md: Use nonimmediate_operand instead of
11884 general_operand in destinations.
11886 * config/vax/vax.md (indirect_jump): Use register_operand.
11888 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11889 * config/vax/vax.md (call_pop): Turn into an expander.
11890 (call_value_pop): Likewise.
11891 (call, call_value): New.
11893 2001-01-14 Andreas Jaeger <aj@suse.de>
11895 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11897 (ix86_fp_compare_mode): Add unused attribute.
11898 (ix86_expand_fp_movcc): Remove unused variable.
11899 (ix86_expand_builtin): Make fcode unsigned.
11901 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11902 (expand_expr): Add cast to avoid signed warning.
11903 (store_field): Likewise.
11904 (store_constructor_field): Likewise.
11905 (store_constructor): Likewise.
11906 (store_expr): Likewise.
11907 (clear_storage): Likewise.
11908 (emit_group_store): Likewise.
11909 (emit_group_load): Likewise.
11911 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11913 * c-common.c: Move format checking code to ...
11914 * c-format.c: ... here. New file. Reorder some functions and
11916 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11918 * c-common.h (decl_handle_format_attribute,
11919 decl_handle_format_arg_attribute): Declare.
11920 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11921 (c-common.o): Adjust dependencies.
11922 (c-format.o): New list of dependencies.
11924 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11926 * unroll.c (loop_iterations): If we cannot prove iteration variable
11927 is set once in each iteration, punt.
11929 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11931 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11932 (*strlenhi): Remove clobber (which was buggy) of output address.
11934 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11936 * Makefile.in (generated-manpages): Add gcc.1
11937 ($(srcdir)/gcc.1): New target.
11938 (maintainer-clean): Delete $(srcdir)/gcc.1.
11939 * gcc.texi: Add macros @gccoptlist and @gol.
11940 * invoke.texi: Include option summary in manpage. Mark up option
11941 summary with @gccoptlist and @gol. Use @r in one place where
11943 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11944 * gcc.1: Generate from invoke.texi.
11946 2001-01-13 Richard Henderson <rth@redhat.com>
11948 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11949 (struct page_entry): Add group member.
11950 (struct page_group): New.
11951 (struct globals): Add page_groups member.
11952 (alloc_anon): Only define for using mmap; remove valloc call.
11953 (page_group_index): New.
11954 (set_page_group_in_use): New.
11955 (clear_page_group_in_use): New.
11956 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11957 (free_page, release_pages): Likewise.
11958 * configure.in (with-gc): Default to ggc-page always.
11960 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11962 * reload1.c (replace_pseudos_in_call_usage): Use
11963 reg_equiv_constant and reg_equiv_address, and don't try
11964 regno_reg_rtx first.
11966 2001-01-13 Richard Henderson <rth@redhat.com>
11968 * ggc-page.c (alloc_page): Round up allocation size to one page.
11969 Set e->order on extra pages.
11971 2001-01-13 Richard Henderson <rth@redhat.com>
11973 * genrecog.c (nodes_identical): Expand commentary.
11974 (write_switch): Watch out for identical nodes.
11976 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11978 * cppfiles.c (_cpp_fake_include): New function.
11979 * cpphash.h (_cpp_fake_include): New.
11980 * cpplib.c (do_line): Call _cpp_fake_include when entering
11981 header files in preprocessed input.
11982 * cppmain.c (cb_pragma_implementation): Remove handling.
11983 (setup_callbacks): Don't register pragmas.
11985 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11987 * extend.texi: Udate for CPP.
11989 2001-01-13 Andreas Jaeger <aj@suse.de>
11991 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11993 * regmove.c: Add prototype for replace_in_call_usage.
11995 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11997 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11998 struct cpp_chunk, struct htab, struct toklist,
11999 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
12000 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
12001 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
12002 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
12003 (struct macro_args): Delete.
12004 * cpphash.h: See above.
12006 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12008 * cppmain.c (struct printer): Remove no_line_dirs.
12009 (options, cb): New.
12010 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12011 : Use options rather than CPP_OPTION.
12012 (setup_callbacks): Use cb rather than pfile->cb.
12013 (main): No need to check for a buffer. Use cpp_errors.
12014 (printer_init): Don't set no_line_dirs.
12015 (maybe_print_line): Use options not no_line_dirs.
12016 (cb_file_change): Don't call print_line if -P.
12018 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12020 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12022 * c-parse.in (finish_parse): Use cpp_errors.
12023 (__yylex): Use return value of cpp_pop_buffer.
12024 * cp/lex.c (finish_parse): Use cpp_errors.
12025 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12027 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
12029 * README.AVR: URLs corrected.
12031 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12033 * c-decl.c (start_function): Don't warn if old prototype is builtin
12034 that's not in C's namespace.
12035 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12036 (_bb): Add prototype for ctime.
12037 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12039 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
12041 * i386.c (ix86_fp_comparison_arithmetics_cost,
12042 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12043 ix86_fp_comparison_cost): New functions.
12044 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12045 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12046 two-branch sequences; make static.
12047 (ix86_use_fcomi_compare): Do decision according to the costs.
12048 (split_fp_branch): New.
12049 * i386.md (compare-and-branch patterns): Use split_fp_branch.
12050 * i386-protos.h (ix86_expand_fp_compare): Remove
12051 (ix86_split_fp_branch): Declare.
12053 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12054 and ix86_comparison_operator.
12056 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12057 to make it cheaper.
12059 * i386.c (put_condition_code): Output properly the unordered/ordered
12060 compares in fp case.
12061 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12063 * tm.texi (REVERSE_CONDITION): Document.
12064 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12065 in -ffast-math mode.
12066 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12068 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12070 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12072 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12075 * config/sh/sh.c (mova_p): Fix test for mova_const.
12077 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12079 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12080 cpp_get_options rather than dereferencing pfile and using
12082 * scan-decls.c (scan_decls): Use return value of
12083 cpp_pop_buffer rather than CPP_BUFFER.
12085 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12087 * cppinit.c (cpp_handle_option): help_only is now part of the
12088 cpp_options structure.
12089 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12090 cpp_set_callbacks): New functions.
12091 * cpplib.h (cpp_callbacks): Break out as a named structure.
12092 (cpp_options): Move help_only here from cpp_reader.
12093 (CPP_FATAL_ERRORS): Update to use cpp_errors.
12094 (cpp_errors, cpp_get_options, cpp_get_callbacks,
12095 cpp_set_callbacks): New prototypes.
12096 * cppmain.c (main): Update for help_only.
12098 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12100 * Makefile.in (info, maintainer-clean, install-info, uninstall):
12101 Also build and remove and install and uninstall c-tree.info and
12103 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12104 ($(srcdir)/cppinternals.info): New target.
12105 * c-tree.texi: Change file name used when makeinfo used without -o
12106 from ir.info to c-tree.info. Add info directory entry.
12107 * cppinternals.texi: Add info directory entry.
12108 * .cvsignore: Update.
12110 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12112 * c-typeck.c (store_init_value): Don't require constant initializer
12113 elements with -pedantic -std=c99.
12114 (digest_init): Change error about non-constant initializer elements
12116 (constructor_range_end): Remove.
12117 (constructor_incremental, designator_depth,
12118 designator_errorneous): New variables.
12119 (struct constructor_stack): Remove range_end, add incremental.
12120 (struct constructor_range_stack, constructor_range_stack): New.
12121 (struct initializer_stack): Add constructor_range_stack.
12122 (finish_init): Set it.
12123 (start_init): Likewise. require_constant_elements for non-static
12124 trees only if not flag_isoc99.
12125 (really_start_incremental_init): Remove constructor_range_end, add
12126 constructor_incremental.
12127 (pop_init_level): Likewise.
12128 (push_init_level): Likewise. If implicit and the subobject had some
12129 value set already, preinitialize the level with it.
12130 Warn about missing braces only if not pushing due to designators.
12131 (set_designator, push_range_stack): New functions.
12132 (set_init_label): Use them.
12133 (set_init_index): Likewise. Remove constructor_range_end.
12134 Error if designator index is outside of array bounds.
12135 (add_pending_init): Compare values of purpose index trees, not the
12136 trees themselves. Allow overwriting of already initialized element.
12137 Issue a warning if it had side-effects.
12138 (set_nonincremental_init, set_nonincremental_init_from_string): New
12140 (pending_init_member): Rename to...
12141 (find_init_member): ...this function. Call set_nonincremental_init
12142 if necessary. Compare values of purpose index trees, not the trees
12143 themselves. Return the actual value, not just non-zero if something
12145 (output_init_element): Remove checks for duplicates.
12146 If field has zero size, only check the initializer for correctness.
12147 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12148 if constructor_incremental is zero. Change error about initializers
12149 not computable at load time into pedwarn.
12150 (output_pending_init_elements): Compare bit positions, not
12151 FIELD_DECLs to take into account zero-sized fields.
12152 (process_init_element): Use constructor_range_stack to fill all
12153 ranges in the designator lists from current level up.
12154 * extend.texi: Update documentation for labeled elements.
12156 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12158 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12159 to function usage for arguments passed by reference. Optimize
12160 callee-copied arguments.
12161 * regmove.c (replace_in_call_usage): New function.
12162 (fixup_match_1): Call it.
12163 * cse.c (cse_insn): Canonicalize registers in function usage.
12164 * reload1.c (replace_pseudos_in_call_usage): New function.
12167 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12170 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12172 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12175 2001-01-12 DJ Delorie <dj@redhat.com>
12177 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12178 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12181 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12183 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12184 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12185 -std options alongside references to -ansi. Update some
12186 documentation for C99.
12187 * cpp.1: Regenerate.
12189 2001-01-12 Andreas Jaeger <aj@suse.de>
12191 * haifa-sched.c (restore_line_notes): Remove argument block B
12193 * sched-ebb.c (schedule_ebb): Change caller.
12194 * sched-rgn.c (schedule_region): Likewise.
12195 * sched-int.h (restore_line_notes): Adjust prototype.
12197 * loop.h: Remove wrong declaration of doloop_condition_get.
12199 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12201 * extend.texi: Move C++-extension-related node from the C section
12202 into the C++ section.
12204 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12206 * extend.texi: Refer to an array of pointers to functions instead
12207 of one of functions.
12209 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12210 Jan Hubicka <jh@suse.cz>
12212 * combine.c (reversed_comparison): Fix typo in last patch.
12214 (combine_reversed_comparison_code): Make static to follow
12215 prototype declaration.
12217 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12219 * install.texi: Remove misplaced duplicate entry.
12221 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12223 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12225 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12227 * final.c: (leaf_function_p): Fix typo.
12229 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12231 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12232 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12234 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12235 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12236 mmap_anon, and valloc is available.
12237 * ggc-page.c: Restructure ifdef logic to match new autoconf
12238 spec. Don't throw away the test page in init_ggc.
12240 * configure, config.in: Regenerate.
12242 2001-01-12 Michael Hayes <mhayes@redhat.com>
12244 * loop.h (total_biv_increment): Constify iv_class pointer.
12245 (struct induction): Replace `mem_mode' with `mem' rtx.
12246 * unroll.c (total_biv_increment): Constify iv_class pointer.
12247 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12248 (find_mem_givs, combine_givs_p): Likewise.
12249 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12251 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12253 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12255 (__gthread_getspecific): Ditto.
12257 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12259 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12260 put_condition_code): Convert fp comparison codes to integer
12262 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12265 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12266 * i386-protos.h (no_comparison_operator): Kill.
12268 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12270 * combine.c (REVERSIBLE_CC_MODE): Remove.
12271 (reversible_comparison_p): Remove.
12272 (combine_reversed_comparison_code): New.
12273 (reversed_comparison): New.
12274 (combine_simplify_rtx): Use
12275 combine_reversed_comparison_code/reversed_comparison instead
12276 of reversible_comparison_p.
12277 (simplify_if_then_else): Likewise.
12278 (simplify_set): Likewise.
12279 (simplify_logical): Likewise.
12280 (if_then_else_cond): Likewise.
12281 (known_cond): Likewise.
12282 (simplify_comparison): Likewise.
12284 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12286 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12287 sizeof (int) is larger than sizeof(__word__).
12289 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12291 * cppinit.c (do_includes): Fix typo.
12293 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12295 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12296 in S_REGS does not occur because not all sources are possible
12297 when a S_REGS is a destination (sometimes needs a clobber).
12298 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12299 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12300 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12301 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12302 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12303 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12304 (lshrdi_const1, lshrsi3_const16): Likewise.
12305 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12306 (*movhi_68hc12, *movqi_68hc12): Likewise.
12307 (movstrictqi): Make sure reloading in D_REGS as a destination
12310 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12312 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12314 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12316 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12317 -D, -U and -A, and don't initialize the builtins.
12318 (do_includes): Error if -include or -imacros with -fpreprocessed.
12319 * cppmain.c (cb_define, cb_undef): Unconditionally process
12321 * tradcpp.c (main): Fix typo.
12323 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12325 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12326 (read_name_map): Use IS_ABSOLUTE_PATH.
12327 * tradcpp.c (get_filename): Likewise.
12329 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12331 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12332 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12333 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12334 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12335 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12336 (cmphi_z_used): Don't use '@' for the output.
12337 (tstqi_z_used): Likewise.
12338 (cmpqi_z_used): Likewise.
12339 (one_cmplsi2): Likewise.
12341 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12343 * config/sh/sh.c (barrier_align): Recognize branch around far
12344 branch and redundant insn.
12346 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12348 * invoke.texi: Restore documentation of the drivers' switches -MD
12351 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12353 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12355 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12356 check-objc//%): Support parallel testing of multilibs.
12357 (TESTSUITEDIR): Set to testsuite by default, but override for
12359 (check-gcc, check-g++, check-g77, check-objc): Enter
12362 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12364 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12365 * sched-deps.c (deps_may_trap_p): Likewise.
12366 * basic-block.h: Remove a comment.
12367 * flow.c (PROP_POSTRELOAD): Remove.
12368 (update_life_info): Don't add it to prop_flags.
12369 (mark_set_1): Lose the code that was enabled by it.
12371 2001-01-11 Michael Hayes <mhayes@redhat.com>
12373 * flow.c (flow_call_edges_add): New.
12374 * basic_block.h (flow_call_edges_add): New.
12376 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12378 * reload1.c (move2add_note_store): Update reg_set_luid even if
12379 base reg remains the same.
12381 2001-01-10 Nick Clifton <nickc@redhat.com>
12383 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12384 machine_function structure to zero.
12385 Add prototypes for machine_status functions.
12387 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12389 * c-common.h (CTI_VOID_LIST): Remove.
12390 (void_list_node): Likewise.
12391 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12392 (void_list_node): New macro.
12393 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12394 * config/i386/i386.c (ix86_init_builtins): Likewise.
12395 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12397 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12399 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12400 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12402 * tradcpp.c: Include mkdeps.h.
12403 (deps, print_deps_phony_targets, deps_append, output_deps,
12404 init_dependency_output, output_deps): New.
12405 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12406 deps_output): Delete.
12407 (print_deps_missing_files): Rename deps_missing_files.
12408 (inhibit_output): Make global.
12409 (main): Delete inhibit_output, deps_stream, deps_target.
12410 Use mkdeps functionality in the same way as cpplib. Remove
12411 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12412 -M and -MM. Remove old handling of deps via deps_out, and
12413 old reading of environment variables.
12414 (get_filename): Update to use deps_add_dep.
12416 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12418 * output.h (make_function_rtl): Remove prototype.
12419 (make_decl_rtl): Likewise.
12420 * varasm.c (make_function_rtl): Remove.
12421 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12422 than from a third parameter.
12423 * tree.h (make_decl_rtl): Remove last parameter.
12424 * c-decl.c (builtin_function): Remove last argument in call to
12425 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12426 (start_function): Likewise.
12427 * except.c (call_get_eh_context): Likewise.
12428 * expr.c (emit_block_move): Likewise.
12429 (clear_storage): Likewise.
12430 * profile.c (output_func_start_profiler): Likewise.
12431 * toplev.c (rest_of_decl_compilation): Likewise.
12432 * objc/objc-act.c (create_builtin_decl): Likewise.
12433 (synth_module_prologue): Likewise.
12434 (generate_static_reference): Likewise.
12435 (build_selector_reference_decl): Likewise.
12436 (build_class_reference_decl): Likewise.
12437 (build_objc_string_decl): Likewise.
12438 (build_protocol_reference): Likewise.
12440 2001-01-10 Richard Henderson <rth@redhat.com>
12442 * hwint.h: Revert yesterday's change.
12444 2001-01-10 Nick Clifton <nickc@redhat.com>
12446 * function.h (save_machine_status): Delete.
12447 (restore_machine_status): Delete.
12448 Amend comment describing {init|mark|free}_machine_status.
12450 * function.c (save_machine_status): Delete.
12451 (restore_machine_status): Delete.
12452 Amend comment describing {init|mark|free}_machine_status.
12453 (push_function_context_to): Remove invocation of
12454 save_machine_status.
12455 (pop_function_context_from): Remove invocation of
12456 restore_machine_status.
12458 * emit-rtl.c (init_emit_once): Amend comment describing
12459 {init|mark|free}_machine_status.
12461 * tm.texi (Per-Function Data): New node. Describe the
12462 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12465 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12467 * cppinit.c (OPT_g): Remove.
12468 (cpp_handle_option): Update for removed -g3.
12469 (print_help): Update.
12470 * cpplib.h (struct cpp_options): Remove debug_output.
12471 * cppmain.c (setup_callbacks, cb_define): Update.
12472 * gcc.c (cpp_options): Translate -g3 to -dD.
12474 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12476 * config/i960/i960.md: Change modifier to + on the zero_extract
12477 pattern after the (rotate -2 reg) canonicalization pattern.
12479 2001-01-10 Richard Henderson <rth@redhat.com>
12481 * config/alpha/alpha.c (alpha_free_machine_status): New.
12482 (override_options): Install it.
12483 (alpha_mark_machine_status): Verify machine non-null.
12484 * config/i386/i386.c (ix86_free_machine_status): New.
12485 (override_options): Install it.
12486 (ix86_init_machine_status): Use xcalloc.
12487 (ix86_mark_machine_status): Verify machine non-null.
12488 * config/ia64/ia64.c (ia64_free_machine_status): New.
12489 (ia64_override_options): Install it.
12490 (ia64_mark_machine_status): Verify machine non-null.
12492 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12494 * function.c (instantiate_virtual_regs): Instantiate virtual
12495 registers found in CALL_INSN_FUNCTION_USAGE.
12497 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12499 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12500 equivalent to -ansi in disabling -Di386.
12502 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12504 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12506 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12508 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12510 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12512 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12514 * invoke.texi: Document that -fcond-mismatch isn't supported for
12517 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12519 * gcc.texi: Define macro gcctabopt.
12520 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12521 @command, @env and @option in some places where appropriate. Use
12522 @gcctabopt where appropriate. Put URLs and email addresses inside
12525 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12527 * gcc.c (cpp_options): Set MD file name from output
12528 filename, if specified.
12529 (suffix_subst): New static variable.
12530 (do_spec): Clear it.
12531 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12533 (give_switch): Handle suffix_subst.
12535 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12537 * invoke.texi: Fix another typo.
12539 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12541 * invoke.texi: Fix typo.
12543 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12545 * c-lang.c (lang_hooks): Update.
12546 (lang_decode_option): Remove.
12547 (lang_init_options): Rename c_init_options.
12548 * toplev.c (main): Use lang_hooks for lang_init_options
12549 and lang_decode_option.
12550 * toplev.h (lang_hooks): Add 2 new hooks.
12551 * tree.h: Remove lang_init_options and lang_decode_option.
12552 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12553 * cp/decl2.c: Similarly.
12554 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12555 (lang_hooks): Update.
12556 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12558 (lang_init_options): Rename ffe_init_options.
12559 (lang_hooks): Update.
12560 (lang_decode_option): Remove.
12561 * java/lang.c (lang_init_options): Rename java_init_options.
12562 (lang_decode_option): Rename java_decode_option.
12563 (lang_hooks): Update.
12564 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12565 (lang_decode_option): Rename objc_decode_option.
12566 (lang_hooks): Update.
12568 2001-01-09 Nick Clifton <nickc@redhat.com>
12570 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12571 (d30v_return_addr_rtx): Delete.
12572 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12573 cfun->machine structure.
12574 (struct machine_function): Move to d30v.h
12575 (d30v_save_machine_status): Delete.
12576 (d30v_restore_machine_status): Delete.
12577 (d30v_init_machine_status): New Function.
12578 (d30v_mark_machine_status): New Function.
12579 (d30v_free_machine_status): New Function.
12580 (d30v_init_expanders): Use new functions.
12581 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12582 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12583 d30v_return_addr_rtx.
12585 * config/d30v/d30v.h (struct_machine): Move here.
12586 Add eh_epilogue_sp_ofs field.
12588 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12589 field in cfun->machine structure.
12591 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12593 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12594 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12595 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12597 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12599 * objc/lang-options.h: Remove bogus reference to
12602 2001-01-09 Kazu Hirata <kazu@hxi.com>
12604 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12607 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12609 * reload.c (find_reloads_address): Check for eliminable registers
12610 when substituting a constant expression for a pseudo.
12612 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12614 * c-common.c (enum format_type): Add format_type_error.
12615 (decode_format_type): New function.
12616 (decl_attributes): Use it.
12617 (format_kind_info): Adjust comment.
12619 2001-01-09 David O'Brien <obrien@BSDi.com>
12621 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12622 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12624 * config/i386/gnu.h: Don't include required platform specific .h files,
12625 tm.h will do it instead.
12626 * config/i386/i386elf.h: Likewise.
12627 * config/i386/linux.h: Likewise.
12628 * config/i386/moss.h: Likewise.
12629 * config/mips/gnu.h: Likewise.
12631 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12633 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12634 (rs6000-ibm-aix3.[01]*): Likewise.
12635 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12636 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12637 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12638 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12639 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12640 (powerpc-*-eabiaix*): Likewise.
12641 (powerpc-*-eabisim*): Likewise.
12642 (powerpc-*-elf*): Likewise.
12643 (powerpc-*-eabi*): Likewise.
12644 (powerpc-*-rtems*): Likewise.
12645 (powerpc-*-linux*libc1): Likewise.
12646 (powerpc-*-linux*): Likewise.
12647 (powerpc-wrs-vxworks*): Likewise.
12648 (powerpcle-wrs-vxworks*): Likewise.
12649 (powerpcle-*-sysv*): Likewise.
12650 (powerpcle-*-elf*): Likewise.
12651 (powerpcle-*-eabisim*): Likewise.
12652 (powerpcle-*-eabi*): Likewise.
12653 (powerpcle-*-solaris2*): Likewise.
12654 * config/rs6000/aix31.h: Delete includes.
12655 * config/rs6000/aix3newas.h: Likewise.
12656 * config/rs6000/aix41.h: Likewise.
12657 * config/rs6000/aix43.h: Likewise.
12658 * config/rs6000/beos.h: Likewise.
12659 * config/rs6000/rtems.h: Likewise.
12660 * config/rs6000/sysv4.h: Likewise.
12662 2001-01-09 Kazu Hirata <kazu@hxi.com>
12664 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12665 Change an argument mode of machine_mode to shift_mode of
12666 shift_mode. Remove an extra error check.
12667 (emit_a_shift): Adopt to the new calling prototype of
12669 (function_prologue): Fix code for a monitor
12670 function. Support H8/S.
12671 (function_epilogue): Do not output pop for a monitor function.
12673 2001-01-09 Nick Clifton <nickc@redhat.com>
12675 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12676 (setup_incoming_varargs): Use sysv_varargs_p field of the
12677 cfun->machine structure.
12678 (struct machine_function): Move to rs6000.h
12679 (rs6000_save_machine_status): Delete.
12680 (rs6000_restore_machine_status): Delete.
12681 (rs6000_init_machine_status): New Function.
12682 (rs6000_free_machine_status): New Function.
12683 (rs6000_init_expanders): Use new functions.
12685 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12687 (struct machine_function): Move here.
12689 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12690 sysv_varargs_p field of the cfun->machine structure.
12692 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12694 (rs6000_restore_machine_status): Remove prototype.
12696 2001-01-09 Richard Henderson <rth@redhat.com>
12698 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12699 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12700 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12701 (sched_analyze_2, sched_analyze_insn): Likewise.
12702 (sched_analyze, init_deps): Likewise.
12703 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12704 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12705 (compute_block_backward_dependences): Update propagate_deps call.
12707 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12709 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12711 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12713 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12714 (cpp_handle_option): Handle them.
12715 (cpp_post_options): Ensure one of -M or -MM is specified with
12716 any other -M? option.
12717 (init_dependency_output): Suppress output with -MG.
12719 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12721 * cpp.texi: Update.
12722 * invoke.texi: Update.
12724 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12726 * sh.md (reload_outsf): Generate recognizable patterns for
12729 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12731 * c-lang.c (lang_hooks): Update.
12732 (lang_init): Rename c_init.
12733 (lang_finish): Remove.
12734 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12735 and lang_finish ().
12736 * toplev.h (lang_hooks): Add init () and finish ().
12737 * tree.h (lang_init, lang_finish): Remove.
12738 * cp/tree.h (lang_init, lang_finish): Remove.
12739 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12740 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12742 (lang_init, lang_finish): Remove.
12743 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12744 (lang_hooks): Update.
12745 * java/lang.c (lang_init): Rename java_init.
12746 (lang_finish): Remove.
12747 (lang_hooks): Update.
12748 * objc/objc-act.c (lang_init): Rename objc_init.
12749 (lang_finish): Remove.
12750 (lang_hoooks): Update.
12752 20001-01-09 Graham Stott <grahams@redhat.com>
12754 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12755 after `ptr` is initialised.
12757 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12759 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12760 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12761 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12762 stack adjusts, instead of r3.
12764 2001-01-09 Michael Hayes <mhayes@redhat.com>
12766 * flow.c (flow_loop_scan): Break out of ...
12767 (flow_loops_find) ... here.
12768 * basic-block.h (flow_loop_scan): New.
12769 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12770 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12772 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12774 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12776 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12777 realloc()ing macro_buffer.
12779 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12780 if it's wider than long and the target's long is wider than the
12783 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12785 Remove support for using UWIN as a host machine.
12786 * configure.in: Issue an error message.
12787 * configure: Regenerated.
12788 * config.gcc: Remove xm_* UWIN configury.
12789 * config/i386/xm-uwin.h: Remove.
12791 2001-01-08 Nick Clifton <nickc@redhat.com>
12793 * config/v850/v850.c (ra_rtx): Delete.
12794 (v850_save_machine_status): Delete.
12795 (v850_restore_machine_status): Delete.
12796 (v850_init_machine_status): New function.
12797 (v850_mark_machine_status): New function.
12798 (v850_free_machine_status): New function.
12799 (v850_return_addr): Use ra_rtx field in machine structure.
12800 (v850_init_expanders): Use new functions.
12802 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12803 * config/v850/v850.c: Change arguments to v850_output+* functions
12804 to take a const char *, to avoid compile time warning.
12805 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12806 (USER_LABEL_PREFIX): Redefine.
12808 2000-01-08 Jim Wilson <wilson@redhat.com>
12810 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12811 1 to unsigned HOST_WIDE_INT before left shift.
12813 2001-01-08 Nick Clifton <nickc@redhat.com>
12815 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12816 the machine structure has been allocated.
12817 (arm_free_machine_status): New function: Free the machine
12818 specific function structure.
12820 2001-01-08 Richard Henderson <rth@redhat.com>
12822 * jump.c (simplejump_p): Revert last change.
12824 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12826 * cppinit.c (init): Rename init_library.
12827 (cpp_create_reader): Update.
12828 * gcc.c (cpp_options): If -o given, use it as the target of
12831 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12833 * arm.c (arm_arch5e): New variable.
12834 (all_cores): XScale is a 5TE device.
12835 (arm_override_options): Set arm_arch5e.
12836 (arm_init_builtins): __builtin_prefetch is in arch5e.
12837 * arm.h (arm_arch5e): Declare it.
12839 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12841 * arm.md (define_constants): Add defines for UNSPEC and
12842 UNSPEC_VOLATILE insns. Update all users.
12843 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12844 * arm.c (multi_register_push, note_invalid_constants)
12845 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12846 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12847 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12849 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12851 * jump.c (jump_optimize_1): Use reversed_comparison_code
12852 instead of can_reverse_comparison_p.
12853 (jump_back_p): Likewise.
12854 (invert_exp_1): Likewise.
12855 (thread_jumps): Likewise.
12856 * simplify-rtx.c (simplify_unary_operation): Likewise.
12857 (simplify_ternary_operation): Likewise.
12858 * cse.c (find_comparison_args): Convert to use
12859 can_reverse_comparison_p.
12860 (record_jump_equiv): Likewise.
12862 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12864 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12865 (EPILOGUE_USES): Define.
12866 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12867 automatically stack the LR if it isn't live.
12869 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12871 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12874 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12876 * ggc-page.c (max_alignment): New structure.
12877 (MAX_ALIGNMENT): New macro.
12878 (init_ggc): Use it to round up the sizes in the
12879 extra_order_size_table.
12881 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12883 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12886 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12888 * builtins.def (BUILT_IN_FPRINTF): New entry.
12890 * c-common.c (c_expand_builtin_fprintf): New function.
12891 (init_function_format_info): Handle __builtin_fprintf.
12892 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12893 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12895 * c-decl.c (duplicate_decls): Adjust comment.
12897 * extend.texi (fprintf): Document new builtin.
12899 2001-01-07 Richard Henderson <rth@redhat.com>
12901 * jump.c (simplejump_p): Recognize any single_set jump
12902 of the proper form.
12904 2001-01-07 Richard Henderson <rth@redhat.com>
12906 * configure.in (slibdir): Accept an --with-slibdir option.
12907 Use "test" not "[" in configure. Default to $(libdir).
12909 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12911 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12912 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12913 (SHLIB_LINK): Create links for the soname.
12914 * config/mips/t-iris6: Likewise.
12915 * config/sparc/t-slibgcc: Likewise.
12916 * config/sparc/t-slibgcc-sld: Likewise.
12918 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12920 * config/i386/i386.c (constant_call_address_operand): Accept
12921 (const (plus (symbol_ref) (const_int))).
12922 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12923 constant_call_address_operand.
12925 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12927 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12928 and LONG_LONG_TYPE_SIZE > 32.
12930 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12932 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12933 the previous change.
12935 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12937 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12939 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12940 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12941 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12944 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12946 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12948 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12950 * c-lang.c (c_post_options): Call cpp_post_options.
12951 * objc/objc-act.c (objc_post_options): Similarly.
12952 * cppmain.c (main): Similarly.
12953 * fix-header.c (read_scan_file): Similarly.
12954 * cppinit.c (cpp_start_read): Move option consistency checks
12955 to cpp_post_options. Don't call init_dependency_output.
12956 If needed, add default target and main file dependency.
12957 (OPT_MD, OPT_MMD): Remove.
12959 (cpp_handle_option): Update for OPT_* changes.
12960 (cpp_post_options): New.
12961 (init_dependency_output): Command line -MF overrides environment
12962 variables. Don't set default target etc. Suppress output
12963 if dependencies are going to stdout.
12964 (print_help): Update.
12965 * cpplib.h (cpp_post_options): New.
12966 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12968 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12970 * jump.c (comparison_dominates_p): Support unordered compares.
12972 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12974 * simplify-rtx.c (simplify_relational_operation): Always simplify
12975 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12978 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12980 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12981 (nonzero_bits): Likewise.
12982 (simplify_comparison): Likewise.
12983 (num_sign_bit_copies): Likewise; return more sane value depending
12984 on STORE_FLAG_VALUE.
12985 (known_cond): Do not assume EQ to be always true for equivalent
12988 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12990 * cse.c (fold_rtx): Handle unordered comparisons.
12992 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12994 * rtlanal.c (set_of_1): New static function.
12995 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12996 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12997 reg_set_last_last_regno): Remove.
12998 (set_of): New global function.
12999 (set_of_data): New structure.
13000 (reg_set_p, reg_set_last): Revamp for set_of.
13001 * rtl.h (set_of): New.
13003 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
13005 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
13006 * extend.texi: Document _Exit builtin.
13008 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13010 * (initialize, initialize_builtins,
13011 initialize_dependency_output, initialize_standard_includes):
13012 Rename s/initialize/init. Update.
13013 (init_dependency_output): Move to after
13014 cpp_handle_options, the correct location temporally at least.
13015 (opt_comp): Move next to init (), its caller. Fix prototype.
13016 (init): Make "initialized" local scope.
13017 (cpp_create_reader): Always call init ().
13018 (cpp_start_read): Update.
13019 (output_deps): New function, broken out of cpp_finish.
13020 (cpp_finish): Break out output_deps.
13022 2001-01-07 Richard Henderson <rth@redhat.com>
13024 * collect2.c (COFF specific stuff): Revert 12-06 patch
13025 to prototype system functions.
13027 2001-01-07 Michael Hayes <mhayes@redhat.com>
13029 * hard-reg-set.h: Add multiple include guard.
13030 * basic-block.h (struct loop): Add `sink' field.
13031 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13032 (emit_iv_add_mult): Delete.
13033 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13034 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13035 (unroll_loop): Remove end_insert_before argument.
13036 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13037 (maybe_eliminate_biv_1): Likewise.
13038 (emit_iv_add_mult): Delete.
13039 (gen_add_mult, loop_regs_update): New.
13040 (loop_insn_emit_after, loop_insn_emit_before): New.
13041 (loop_insn_sink, loop_insn_sink_or_swim): New.
13042 (emit_iv_add_mult): Delete.
13043 (scan_loop): Set loop->sink.
13044 (loop_givs_reduce): Use loop_insn_sink and its ilk.
13045 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13046 (maybe_eliminate_biv_1): Likewise.
13047 (maybe_eliminate_biv_1): Add basic block argument.
13048 * unroll.c (unroll_loop): Remove end_insert_before argument.
13049 (find_splittable_regs): Likewise.
13050 (find_splittable_regs): Use loop_insn_sink and its ilk.
13051 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13053 2001-01-07 Michael Hayes <mhayes@redhat.com>
13055 * loop.h (loop_insn_hoist): New prototype.
13056 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13057 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13058 (check_dbra_loop, load_mems): Likewise.
13059 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13060 (find_splittable_givs): Likewise.
13062 2001-01-07 Michael Hayes <mhayes@redhat.com>
13064 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13066 2001-01-07 Richard Henderson <rth@redhat.com>
13068 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13070 2001-01-07 Richard Henderson <rth@redhat.com>
13072 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13073 NO_SHARED_LIBGCC_MULTILIB as required for the target.
13074 * gcc.c (init_spec): Massage the existing libgcc_spec into a
13075 variant that handles a shared libgcc.
13076 (process_command): Always validate -{static,shared}-libgcc.
13077 (do_spec_1): New 'M' case.
13078 * invoke.text (Link Options): Document -{static,shared}-libgcc.
13080 2001-01-07 Richard Henderson <rth@redhat.com>
13082 * Makefile.in (slibdir): New variable.
13083 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13084 (installdirs): Create slibdir.
13085 (install-libgcc, install-multilib): Defer to libgcc.mk.
13086 * configure.in (slibdir): Substitute.
13087 * mklibgcc.in (install): New target.
13089 * config/t-linux (SHLIB_LINK): Create links for the soname.
13090 (SHLIB_INSTALL): New.
13091 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13092 * config/mips/t-iris6 (SHLIB_INSTALL): New.
13093 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13094 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13095 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13097 2001-01-07 Richard Henderson <rth@redhat.com>
13099 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13100 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13101 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13103 2001-01-07 Michael Hayes <mhayes@redhat.com>
13105 * loop.c (count_loop_regs_set): Delete.
13106 (load_mems_and_recount_loop_regs_set): Delete.
13107 (loop_regs_scan): Merge common code from count_loop_regs_set,
13108 scan_loop, and load_mems_and_recount_loop_regs_set.
13109 (scan_loop): Call load_mems directly and loop_regs_scan
13110 again if new registers created.
13112 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13114 * toplev.c (main): Call the front-end specific post_options
13115 hook if one is given.
13116 * toplev.h (struct_lang_hooks, lang_hooks): New.
13117 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13118 for the C front end.
13119 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13120 lang_hooks for the C++ front end.
13121 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13122 lang_hooks for the ObjC front end.
13123 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13124 * java/lang.c (lang_hooks): Hooks for the Java front end.
13126 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13128 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13129 for verbose DWARF[2] debugging.
13130 (cb_define, cb_undef): The new callbacks.
13131 * toplev.h (debug_define, debug_undef): Make const correct.
13132 * toplev.c (debug_define, debug_undef): Similarly. Do not
13133 perform the verbosity tests here anymore.
13135 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13137 * reload.c (subst_reloads): Take INSN argument. When
13138 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13139 * reload.h (subst_reloads): Adjust prototype.
13140 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13141 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13142 present in JUMP_INSNs and copy them to JUMP_LABEL.
13143 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13144 JUMP_INSNs and insns with REG_LABELs that are followed by
13145 JUMP_INSNs with the same REG_LABEL.
13146 * sched-rgn.c (is_cfg_nonregular): Likewise.
13147 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13149 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13151 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13153 2001-01-06 Richard Henderson <rth@redhat.com>
13155 * loop.c (scan_loop): Use xcalloc for the regs array.
13156 (load_mems_and_recount_loop_regs_set): Zero the new memory
13157 received from xrealloc.
13159 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13161 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13163 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13165 * integrate.c (copy_rtx_and_substitute): When copying
13166 an ignored return value, strip REG_FUNCTION_VALUE_P.
13168 2001-01-06 Michael Hayes <mhayes@redhat.com>
13170 * loop.c (debug_biv, debug_giv): New.
13171 (loop_biv_dump): Break out from ...
13172 (record_biv): ... here.
13173 (loop_giv_dump): Break out from ...
13174 (record_giv): ... here.
13175 (loop_bivs_check): Use print_simple_rtl.
13176 * unroll.c (loop_iterations): Use print_simple_rtl.
13178 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13180 * pa.md (return, return_internal): Modify patterns to prevent regrename
13181 mucking with the return pointer.
13183 2001-01-05 Richard Henderson <rth@redhat.com>
13185 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13187 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13189 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13190 version supplied by Matteo Frigo.
13192 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13194 * cpp.texi: Update for -MQ.
13195 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13196 (cpp_cleanup): Always free pfile->deps.
13197 (initialize_dependency_output): Don't create pfile->deps.
13198 (cpp_handle_option): Similarly.
13200 * gcc.c (cpp_options): Handle -MQ.
13201 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13202 * mkdeps.c (base_name): Remove.
13203 (deps_init): Don't allocate vector space until it's needed.
13204 (deps_free): Only free vectors if allocated.
13205 (deps_add_target, deps_add_dep): Update for initial allocation.
13206 (deps_add_default_target): Don't strip to the base_name.
13208 2001-01-05 DJ Delorie <dj@redhat.com>
13210 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13211 (INIT_EXPANDERS): Define.
13213 * config/v850/v850.c (struct machine_function): Define.
13214 (v850_save_machine_status): New function.
13215 (v850_restore_machine_status): New function.
13216 (v850_return_addr): New function.
13217 (v850_init_expanders): New function.
13219 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13220 and v850_init_expanders.
13222 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13224 * cpplib.h (struct cpp_reader): Add help_only field.
13225 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13226 (cpp_handle_option): Set pfile->help_only if we see -h,
13227 --help, -target-help, or --version. Print version string but
13228 do not set help_only if we see -v or -version. Make text
13229 printed by -v match that printed by (-)-version.
13231 * cppmain.c (main): Exit after option parsing if
13232 pfile->help_only is true.
13234 * toplev.c (independent_decode_option): Call print_version,
13235 then exit, if we see --version (but not -version).
13236 (print_version): Split lengthy message into two lines.
13238 2001-01-05 Nick Clifton <nickc@redhat.com>
13240 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13241 temporary string for initialisation before calling ggc_alloc_string.
13243 2001-01-06 Michael Hayes <mhayes@redhat.com>
13245 * rtl.h (print_simple_rtl): New.
13246 * print-rtl.c (print_simple_rtl): New.
13247 (flag_simple): New.
13248 (print_rtx): Disable printing of flags and modes, etc.,
13249 if `flag_simple` nonzero.
13251 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13253 * function.c (fixup_var_refs): Use push_to_full_sequence where
13256 2001-01-05 Michael Meissner <meissner@redhat.com>
13258 * flags.h (flag_reorder_blocks): Add declaration.
13259 (flag_rename_block): Ditto.
13261 2001-01-05 DJ Delorie <dj@redhat.com>
13263 * function.c (reorder_blocks): Make sure the flags are all reset
13264 before using them to mark blocks, else a second invocation will
13265 corrupt the block chain.
13266 (reorder_blocks_0): New, resets the flags.
13268 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13270 * cse.c (find_comparison_args): Stop if the argument is known to
13273 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13275 * config/sh/sh.md (movdf): When splitting load into pair of
13276 registers, don't clobber the register used in the address too
13279 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13281 * varasm.c (mark_constant_pool): Improve initial comments.
13282 (mark_constants): Move marking of constants to mark_constant.
13283 (mark_constant): New function to recursively mark all constants
13284 referred to by a constant.
13286 2001-01-05 Catherine Moore <clm@redhat.com>
13288 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13290 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13292 * cp/lang-options.h: Bring comment in line with reality.
13293 * f/lang-options.h: Likewise.
13294 * java/lang-options.h: Likewise.
13295 * objc/lang-options.h: Likewise.
13296 * ch/lang-options.h: Likewise.
13297 * f/g77.texi: And update the manual.
13299 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13300 Denis Chertykov <denisc@overta.ru>
13302 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13303 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13304 * config/avr/avr.md (all peepholes that request a scratch register):
13305 Call it, FAIL the peephole if not safe (in interrupt functions).
13307 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13309 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13311 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13313 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13315 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13316 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13317 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13318 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13319 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13321 * extend.texi: Document these builtins.
13323 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13325 * c-common.c (lang_get_alias_set): Say we know nothing of
13326 VECTOR_TYPE aliasing.
13328 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13330 2001-01-05 Bruce Korb <bkorb@gnu.org>
13332 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13333 their x* equivalent versions for atexit-less systems
13334 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13335 systems (or any other system any more).
13337 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13339 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13340 output operands. Use arm_hard_register_operand for operand 4.
13341 (stmsi_postinc): Similarly.
13342 (ldmsi): Use arm_hard_register_operand for opernand 2.
13343 (stmsi): Similarly.
13344 * arm.c (arm_hard_register_operand): New function.
13345 * arm-protos.h (arm_hard_register_operand): Prototype it.
13347 * arm.h (HARD_REGNO_RENAME_OK): Define.
13349 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13351 * simplify-rtx.c (cfc_args): add "unordered" field.
13352 (check_fold_consts): Set unordered field.
13353 (simplify_relational_operation): Simplify the unordered
13356 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13359 * emit-rtl.c (try_split): Fix code to mark labels.
13360 * jump.c (mark_jump_label): Make global.
13361 * rtl.h (mark_jump_label): Declare.
13363 * predict.c (estimate_probability): Handle unordred comparisons.
13365 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13367 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13368 * cppinit.c (initialize_dependency_output): Update.
13369 (cpp_finish): Output dummy targets for -MP.
13371 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13372 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13373 * gcc.c (cpp_options): Update to handle -MP.
13374 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13375 to quote only the default target.
13376 (deps_phony_targets): Insert a preceding newline. Rename from
13377 deps_dummy_targets for consistency.
13380 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13382 * calls.c (emit_library_call_value_1): Support
13383 INIT_CUMULATIVE_LIBCALL_ARGS.
13384 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13386 2001-01-04 Richard Henderson <rth@redhat.com>
13388 * c-decl.c (finish_struct): Detect flexible array members
13389 used in an inappropriate context.
13390 * c-typeck.c (really_start_incremental_init): Special case
13391 constructor_max_index for zero length arrays.
13392 (pop_init_level): Allow initialization of flexible array
13393 members. Deprecate initialization of zero length arrays.
13394 Don't issue missing initializer warning for flexible array
13395 members or zero length arrays.
13396 (process_init_element): Don't dereference null DECL_SIZE.
13397 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13398 Don't abort for empty constructors. Use size_binop
13399 (output_constructor): Add commentary regarding zero length
13400 array futures. Abort if we try to initialize an array of
13401 unspecified length with a non-empty constructor in the middle
13404 * extend.texi (Zero Length): Update and clarify documentation
13405 on static initialization.
13407 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13409 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13410 with more than 32767 words of local storage.
13412 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13414 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13415 for 'abs', 'labs', and 'fabs'.
13416 (c4x_expand_builtin): Likewise.
13417 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13419 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13421 * config/sh/sh.md (prget, prset): New insn types.
13422 (return delay slot): Dont' allow prset.
13423 (call, sfunc delay slot): Don't allow prget.
13424 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13425 for prset and prget.
13427 2001-01-05 Michael Hayes <mhayes@redhat.com>
13429 * loop.h (struct loop_reg): New.
13430 (struct loop_regs): Change to use array of `struct loop_reg'.
13431 * loop.c: Replace assortment of varrays with single regs array.
13432 (count_one_set): Delete may_not_move array argument
13433 and use regs array instead. All caller's changed.
13434 (count_loop_regs_set): Delete may_not_move and single_usage
13435 arguments and use regs array instead. All caller's changed.
13436 (find_single_use_in_loop): Replace usage array argument with pointer
13437 to regs structure. All caller's changed.
13438 (loop_optimize): Delete `moved_once' array.
13440 2001-01-05 Michael Hayes <mhayes@redhat.com>
13442 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13443 Use it instead of loop_info->has_call for scanning loop mems.
13444 (check_dbra_loop): Replace loop_info->has_call test with
13445 loop_info->has_nonconst_call.
13447 2000-01-04 Matthew Hiller <hiller@redhat.com>
13449 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13452 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13454 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13455 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13457 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13459 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13460 (flag_short_double, flag_short_wchar): Define.
13461 (c_common_nodes_and_builtins): Create many tree nodes shared
13462 between C and C++ here instead of in cp/decl.c and ...
13463 * c-decl.c (init_decl_processing): ... here.
13464 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13465 (flag_short_double, flag_short_wchar): Don't define.
13466 (record_builtin_type): New function.
13467 (build_void_list_node): New function.
13468 * c-common.h (flag_short_double, flag_short_wchar,
13469 record_builtin_type, build_void_list_node): Declare.
13471 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13473 * integrate.c (expand_inline_function): Don't put a virtual
13474 register into the reg map.
13476 * function.c (fixup_var_refs_1): If force_operand didn't put
13477 the address into the target, move it there.
13479 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13481 Special-case tree_decl/tree_list allocations.
13482 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13483 (OBJECT_SIZE): New macro.
13484 (NUM_EXTRA_ORDER): Likewise.
13485 (extra_order_size_table): New variable.
13486 (NUM_ORDERS): New macro.
13487 (objects_per_page_table): New variable.
13488 (object_size_table): New variable.
13489 (G.pages): Use NUM_ORDERS to bound the array.
13490 (G.page_tails): Likewise.
13491 (DIV_ROUND_UP): Remove.
13492 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13493 (alloc_page): Use OBJECT_SIZE.
13494 (size_lookup): Don't make it const.
13495 (ggc_alloc): Use OBJECT_SIZE.
13496 (ggc_set_mark): Likewise.
13497 (ggc_get_size): Likewise.
13498 (init_ggc): Set up the object_size_table, objects_per_page_table,
13499 and adjust size_lookup.
13500 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13501 (ggc_pop_context): Use NUM_ORDERS.
13502 (clear_marks): Likewise.
13503 (sweep_pages): Likewise.
13504 (poison_pages): Likewise.
13505 (ggc_print_statistics): Use OBJECT_SIZE.
13507 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13509 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13510 Only call array_size_for_constructor if last field and array type
13511 with no upper bound.
13513 2001-01-04 Philip Blundell <philb@gnu.org>
13515 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13516 from bit 31 downwards, if this requires no more insns.
13517 (count_insns_for_constant): New helper function for above.
13519 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13521 * gencodes.c (output_predicate_decls): Remove empty initializer.
13523 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13525 * tree.c (copy_node): Remove documentation about obstacks.
13526 (buidl1): Check that nobody tries to build 2-argument nodes this
13529 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13531 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13534 * gencodes.c (output_predicate_decls): Fill empty initializer
13537 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13539 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13540 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13542 (do_include): Handle missing headers like cpp0.
13543 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13544 paths with first include pathname. Don't strcat to uninitialized
13547 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13549 * regrename.c (regrename_optimize): Don't rename from frame pointer
13550 if frame_pointer_needed.
13551 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13552 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13553 (ia64_reorg): Use it instead of scheduling if ! optimize.
13554 (errata_emit_nops): Properly call asm_noperands.
13555 (ia64_sched_reorder): Finish cycle if we see an asm.
13556 (ia64_variable_issue): Clear scheduling state after asms.
13558 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13560 * cpp.texi: Update for -MT.
13561 * cppinit.c (initialize_dependency_output): Add a default
13562 target if none has been given already.
13563 (no_tgt, OPT_MT): New.
13564 (cpp_handle_option): Handle -MT. Update -M etc.
13565 * cpplib.h (struct cpp_options): Remove deps_target.
13566 * gcc.c (cpp_options): Handle -MT.
13567 * mkdeps.c (struct deps): Move from mkdeps.h.
13568 (deps_calc_target): Rename deps_add_default_target. Add a
13569 default target if none has been specified already.
13570 * mkdeps.h (struct deps): Move to mkdeps.c.
13571 (deps_calc_target): Rename deps_add_default_target.
13573 2000-01-03 Richard Henderson <rth@redhat.com>
13575 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13577 * c-typeck.c (push_init_level): Move checks for flexible array
13578 members and zero length arrays ...
13579 (pop_init_level): ... here. Silently discard empty initializations.
13581 * varasm.c (output_constructor): Update for sizeof change to
13582 zero-length arrays.
13584 * extend.texi (Zero Length): Clarify semantics.
13586 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13588 * configure.in (tm.h): Include isns-codes.h last.
13589 * configure: Rebuilt.
13591 2001-01-03 Richard Henderson <rth@redhat.com>
13593 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13594 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13596 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13598 * tradcpp.c (main): Make sure finclude() is called with a valid
13599 indepth value while handling -include.
13601 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13603 * gencodes.c (output_predicate_decls): New function.
13605 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13606 even if it is not the first time machmode.h is #included.
13607 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13608 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13609 * gcc.texi (Copyright): Added 2001.
13611 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13613 * c-common.c (c_common_lang_init): New function. Warn if format
13614 warning options which only have effects when used with -Wformat
13615 are used without -Wformat.
13616 * c-common.h (c_common_lang_init): Declare.
13617 * c-lang.c (lang_init): Call c_common_lang_init.
13618 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13620 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13622 * configure.in: Check for the mktemp command.
13623 * configure: Regenerate.
13624 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13625 $TEMP. Create temporary files with mktemp, if available at
13626 configure time; otherwise use set -C. Remove temporary files
13629 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13631 * configure.in: Require at least texinfo 4.0. Check for whether
13632 Pod::Man is sufficiently recent to regenerate GCC manpages.
13633 * configure: Regenerate.
13634 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13636 (GENERATED_MANPAGES): Define.
13637 (generated-manpages): New target. Depend on cpp.1 as well as
13639 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13640 configure to generated-manpages or empty) rather than on the
13641 manpages directly. Remove execute permission from installed
13642 gcov.1 as well as cpp.1.
13643 * cpp.1, gcov.1: Regenerate.
13645 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13647 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13648 tree_low_cst. Allow using cmpstrsi in more cases.
13650 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13652 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13655 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13657 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13658 * Makefile.in (HOST_CFLAGS): Mention build-make.
13660 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13662 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13665 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13667 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13670 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13673 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13674 reg_base_value and reg_known_value arrays.
13675 (init_alias_analysis): Add more cases to detect known values.
13676 * sched-deps.c (deps_may_trap_p): New function.
13677 (sched_analyze_2): Use it.
13679 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13681 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13682 don't discard an ASHIFTRT if we're shifting in a wider mode.
13684 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13686 * toplev.c (rest_of_compilation): Don't print basic block information
13687 when CFG isn't up to date.
13689 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13691 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13692 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13693 (UNALIGNED_SHORT_ASM_OP): Define.
13694 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13696 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13698 * fold-const.c (fold_convert): Fix typo.
13700 2001-01-02 Richard Henderson <rth@redhat.com>
13702 * c-common.h (ASM_INPUT_P): New.
13703 * c-parse.in (asm): Set it when needed.
13704 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13705 existance of an operand.
13707 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13709 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13710 (dwarf2out_frame_debug_expr): Likewise.
13711 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13713 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13715 * i386.c (ix86_split_to_parts): Return number of part required;
13717 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13719 (ix86_split_long_move): Use number of part returned
13720 by ix86_split_to_parts
13721 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13723 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13724 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13725 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13726 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13727 (ALIGN_MODE_128): Add TFmode.
13728 (IS_STACK_MODE): Likewise.
13729 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13730 (HARD_REGNO_OK): Support TFmodes.
13731 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13732 * i386.md (scheduler definitions): Use memory operand to determine
13733 fst/fld instructions; use mode attribute to determine real mode of
13735 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13736 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13738 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13740 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13742 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13744 * expr.c (store_constructor_field): Update ALIGN before calling
13747 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13749 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13752 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13754 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13757 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13759 * c-decl.c (start_function): Don't warn on third parameter to main.
13761 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13763 * tsystem.h: Define HAVE_DECL_GETOPT.
13765 2001-01-02 Philip Blundell <pb@futuretv.com>
13767 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13770 2001-01-02 Richard Henderson <rth@redhat.com>
13772 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13774 2001-01-02 Andreas Jaeger <aj@suse.de>
13776 * c-decl.c (c_decode_option): Remove support of
13777 -Wmissing-noreturn.
13779 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13780 (W_options): Add -Wmissing-noreturn here.
13782 * flow.c: Define lang_missing_noreturn_ok_p.
13783 (check_function_return_warnings): Use it.
13785 * c-common.h: Declare lang_missing_noreturn_ok_p.
13787 * c-lang.c (c_missing_noreturn_ok_p): New function.
13788 (lang_init): Set lang_missing_noreturn_ok_p.
13790 * invoke.texi (Warning Options): Document this.
13792 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13794 * extend.texi (C++ Extensions): New node for C++ attributes;
13795 describe init_priority and com_interface.
13796 * invoke.texi: Remove -finit-priority as it now has zero effect.
13797 * install.texi: Fix xref syntax.
13798 * md.texi: Likewise.
13800 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13802 * config.gcc (sparc64-wrs-vxworks*): New case.
13803 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13805 * config/sparc/sparc.c (sparc_override_options): Do support different
13806 pointer and architecture size.
13807 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13808 (POINTERS_EXTEND_UNSIGNED): Define.
13809 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13810 (FUNCTION_MODE): Define to be Pmode.
13811 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13813 * function.c (expand_function_end): Properly handle DECL_RESULT
13814 and copy when ptr_mode != Pmode.
13815 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13817 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13819 * c-common.c (c_common_nodes_and_builtins): Set prototype
13820 parameters for __builtin_fputs, __builtin_fputc and
13821 __builtin_fwrite. Don't declare plain fputc as a builtin.
13823 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13825 * loop.c (add_label_notes): Increment the label usage count when
13826 a note is added to an insn which refers to a CODE_LABEL.
13827 * gcse.c (add_label_notes): Likewise.
13829 2001-01-01 Andreas Jaeger <aj@suse.de>
13831 * loop.c (scan_loop): Use xmalloc to allocate movables.
13833 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13835 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13836 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13837 * reload1.c (REGISTER_MOVE_COST): Likewise.
13838 * regclass.c (REGISTER_MOVE_COST): Likewise.
13839 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13840 dimension. Adjust all users.
13841 (init_reg_sets_1): Iterate on all modes.
13842 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13843 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13844 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13845 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13846 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13847 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13848 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13849 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13850 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13851 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13852 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13853 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13854 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13855 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13856 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13857 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13858 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13859 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13860 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13861 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13862 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13863 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13864 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13865 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13866 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13867 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13868 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13870 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13872 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13873 arg VARIES_P. Call it with extra arg.
13874 (true_dependence): Likewise.
13875 * rtl.h (rtx_addr_can_trap_p): Declare.
13876 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13878 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13879 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13880 pic offset table register if it's zero. All callers changed.
13881 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13883 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13885 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13886 STRING_POOL_ADDRESS_P.
13888 * config/sparc/sparc.c (input_operand): Properly test for short op.
13890 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13891 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13892 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13893 * config/sparc/elf.h: No longer include sol2.h.
13894 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13895 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13897 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13899 2001-01-01 Michael Hayes <mhayes@redhat.com>
13901 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13902 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13903 (record_initial): Likewise.
13904 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13905 (remap_split_bivs): Likewise.
13907 2001-01-01 Michael Hayes <mhayes@redhat.com>
13909 * loop.c (loop_ivs_free): New function.
13910 (strength_reduce): Break out from...
13912 2001-01-01 Michael Hayes <mhayes@redhat.com>
13914 * loop.h (struct iv): New.
13915 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13916 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13917 'reg_biv_class' fields with 'regs' and 'n_regs'.
13918 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13919 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13920 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13922 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13924 * resource.c (mark_referenced_resources): Abort() before
13925 attempting to mark a pseudo register.
13926 (mark_set_resources): Likewise.
13928 2001-01-01 Michael Hayes <mhayes@redhat.com>
13930 * loop.h (REG_IV_CLASS): New accessor macro.
13931 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13932 * unroll.c (REG_IV_CLASS): Likewise.
13934 See ChangeLog.4 for earlier changes.