1 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11 config/fr30/fr30.md, config/i386/i386-interix.h,
12 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
13 config/sh/superh64.h, config/v850/v850.c, df-core.c,
14 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
15 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
16 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
17 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
18 Follow spelling conventions.
19 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
20 Follow spelling conventions.
22 2006-05-27 Richard Guenther <rguenther@suse.de>
25 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
26 to produce a constant of value 1 of generic type.
28 2006-05-27 Dirk Mueller <dmueller@suse.de>
30 * cgraphunit.c (decide_is_function_needed): Fix wrong
33 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
35 PR rtl-optimization/27661
36 * reload.c (find_reloads): When reloading a VOIDmode constant
37 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
38 use Pmode as mode of the reload register.
40 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
42 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
43 is enabled at -O and above.
45 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
48 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
51 2006-05-25 Mark Mitchell <mark@codesourcery.com>
54 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
55 for anonymous variables explicitly declared by front ends.
57 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
59 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
60 (struct alias_info): Add new field ref_all_symbol_mem_tag.
61 * tree-ssa-alias.c (compute_may_aliases): If the program contains
62 ref-all pointers, run a finalization pass for them.
63 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
64 (finalize_ref_all_pointers): New function.
65 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
66 regular pointer type to a ref-all pointer type.
67 (get_tmt_for): Return the special memory tag for ref-all pointers.
69 2006-05-25 Richard Guenther <rguenther@suse.de>
72 * fold-const.c (fold_binary): Do not look at the stripped
73 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
75 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
77 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
78 for LT and GT if the computed range is effectively empty.
80 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
83 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
84 mips_quad_format formats instead of ieee_single_format,
85 ieee_double_format and ieee_quad_format formats, respectively.
87 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
89 PR tree-optimization/27639
90 PR tree-optimization/26719
91 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
92 call to scev_probably_wraps_p.
93 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
94 used_in_pointer_arithmetic_p, convert_step): Removed.
95 (nowrap_type_p): New function.
96 (scev_probably_wraps_p): Rewritten.
97 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
98 chrec_convert if chrec_convert_aggressive might have been used.
99 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
100 scev_direction): New functions.
101 (chrec_convert): Changed to a wrapper over chrec_convert_1.
102 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
103 instead of convert_step.
104 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
105 (convert_step): Declaration removed.
106 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
108 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
110 * df-core.c: Added to header comments.
111 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
112 df_ur_bb_info, df_urec_bb_info): Added comments.
113 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
114 urec, ri problems): Fixed header comments.
115 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
116 code from df_rd_transfer_function.
118 2006-05-23 Richard Sandiford <richard@codesourcery.com>
120 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
121 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
122 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
124 2006-05-23 Joseph Myers <joseph@codesourcery.com>
126 * expr.c (undefined_operand_subword_p): New.
127 (emit_move_multi_word): Do not generate move from undefined bits
128 of a paradoxical subreg.
130 2006-05-23 Richard Sandiford <richard@codesourcery.com>
132 PR rtl-optimization/27736
133 * combine.c (replaced_rhs_value): New variable.
134 (combine_instructions): Set it.
135 (distribute_notes): When distributing a note in replaced_rhs_insn,
136 check whether the value was used in replaced_rhs_value.
138 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
141 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
142 add_referenced_var instead of add_referenced_tmp_var.
143 * tree-complex.c (create_one_component_var): Use add_referenced_var.
144 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
146 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
147 tree_optimize_tail_calls_1): Use add_referenced_var.
148 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
149 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
150 Use add_referenced_var.
151 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
152 * gimplify.c (force_gimple_operand): Use add_referenced_var.
153 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
154 Use add_referenced_var.
155 * tree-dfa.c (struct walk_state): Remove.
156 (find_referenced_vars): Remove walk state and vars_found hash table.
157 (make_rename_temp): Use add_referenced_var.
158 (find_vars_r): Pass less parameters to add_referenced_var.
159 (referenced_var_p): New. Is var in referenced_var hash table.
160 (referenced_var_insert): Assert var isn't already in hash table.
161 (add_referenced_var): Don't need walk_state parameter. Add var if it
162 isn't already in the hash table.
163 (add_referenced_tmp_var): Remove.
164 (find_new_referenced_vars_1): Use add_referenced_var.
165 * tree-ssa-pre.c (create_expression_by_pieces,
166 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
167 Use add_referenced_var.
168 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
169 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
170 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
172 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
173 vect_create_data_ref_ptr, vect_create_destination_var,
174 vect_init_vector, vect_build_loop_niters,
175 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
176 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
177 Use add_referenced_var.
178 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
179 * tree-flow.h (add_referenced_tmp_var): Remove prototype
180 (add_referenced_var): Add prototype.
181 * tree-ssa-structalias.c (get_constraint_for,
182 intra_create_variable_infos): Use add_referenced_var.
184 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
186 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
187 big-endian paradoxical subregs.
188 * var-tracking.c (struct micro_operation_def): Document that,
189 for modify micro operations, insn is the subsequent instruction.
190 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
191 (var_reg_set, var_mem_set): ... new functions.
192 (add_stores): Record subsequent insn.
193 (compute_bb_dataflow): Use new functions for MO_USE.
194 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
195 notes after the insn, and modify notes before the insn known
196 to be the subsequent one.
197 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
199 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
202 * config/i386/i386.c (ix86_expand_builtin): Use
203 gen_sse3_monitor64 for TARGET_64BIT.
205 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
207 PR rtl-optimization/26375
208 PR rtl-optimization/26855
209 * df-problems (df_ru_bb_local_compute_process_def): Removed update
211 (df_ru_bb_local_compute): Reversed statements and removed bogus
212 comment explaining why they should be in wrong order.
213 (df_ru_dump, df_rd_dump): Enhanced debug info.
214 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
216 * ddg.c (add_deps_for_def): Converted use of reaching defs to
217 reaching uses and fixed space problem.
219 2006-05-23 Jan Hubicka <jh@suse.cz>
221 * cgraphunit.c (decide_is_function_needed): Also nested functions
222 and functions declared inline can be optimized out at -O0.
224 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
226 * doc/install.texi (Configuration): Remove reference to CrossGCC
227 FAQ which was hijacked.
230 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
233 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
234 ix86_compare_emitted is non-NULL.
236 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
239 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
242 2006-05-22 Richard Sandiford <richard@codesourcery.com>
244 PR rtl-optimization/25514
245 * combine.c (replaced_rhs_insn): New variable.
246 (combine_instructions): Set replaced_rhs_insn when trying to replace
247 a SET_SRC with a REG_EQUAL note.
248 (distribute_notes): Use replaced_rhs_insn when determining the live
249 range of a REG_DEAD register.
251 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
252 Anatoly Sokolov <aesok@post.ru>
254 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
255 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
256 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
257 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
258 atmega3290, atmega649, atmega6490, atmega406, atmega640,
259 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
260 at90usb647, at90usb1286 and at90usb1287 devices.
261 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
262 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
264 2006-05-22 Richard Sandiford <richard@codesourcery.com>
266 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
268 2006-05-22 Richard Guenther <rguenther@suse.de>
271 2006-01-31 Richard Guenther <rguenther@suse.de>
272 Paolo Bonzini <bonzini@gnu.org>
274 * doc/install.texi (--disable-libgcc-math): Document.
276 2006-05-22 Richard Guenther <rguenther@suse.de>
279 2006-01-31 Richard Guenther <rguenther@suse.de>
281 * doc/invoke.texi (-msselibm): Document.
282 * target.h (expand_library_builtin): New target hook.
283 * builtins.c (expand_builtin): Use expand_library_builtin.
284 (default_expand_library_builtin): New function.
285 * gcc.c (LINK_GCC_MATH_SPEC): Define.
286 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
287 (link_gcc_math_spec): Declare.
288 (static_specs): Add link_gcc_math_spec.
289 * expr.h (default_expand_library_builtin): Declare.
290 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
291 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
292 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
293 * config/i386/i386.opt (msselibm): New target option.
294 * config/i386/i386.c (ix86_builtin_function_variants): New array.
295 (ix86_init_sse_abi_builtins): New function.
296 (ix86_expand_library_builtin): Likewise.
297 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
298 (override_options): Handle error conditions wrt -msselibm.
299 (ix86_builtins): Add function codes for SSE2 ABI builtins.
300 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
301 * doc/extend.texi (__builtin_sse2_*): Document new target specific
304 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
307 * c-common.c (self_promoting_args_p): Skip erroneous args.
310 * c-decl.c (finish_struct): Skip erroneous fields.
312 2006-05-22 Nick Clifton <nickc@redhat.com>
314 * config/cris/cris.opt (march): Remove VarExists attribute.
315 (max-stackframe=): Likewise.
317 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
319 * doc/rtl.texi: Fix a typo.
320 * see.c: Fix comment typos.
322 * tree-ssa-structalias.h (alias_info): Remove num_references.
324 2006-05-21 Mike Stump <mrs@apple.com>
326 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
328 (darwin_pragma_options): Use BAD instead.
329 (darwin_pragma_unused): Likewise.
330 (darwin_pragma_ms_struct): Likewise.
332 2006-05-21 David Edelsohn <edelsohn@gnu.org>
334 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
336 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
338 PR rtl-optimization/27671
339 * simplify-rtx.c (simplify_relational_operation_1): Fix
340 simplifications of (eq/ne (xor x y) y) and
343 PR tree-optimization/26622.
344 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
347 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
349 * tree-cfg.c: Prune whitespace.
350 (debug_tree_cfg): Point to correct header containing the
353 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
356 * cgraphunit.c (verify_cgraph_node): Typo in error message.
358 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
361 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
362 or sorry count is non zero.
364 2006-05-20 Andreas Schwab <schwab@suse.de>
366 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
368 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
369 Kenneth Zadeck <zadeck@naturalbridge.com>
371 PR rtl-optimization/26855
373 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
375 (df_scan_alloc): Added code to properly handle multiword hard
376 registers and add all_blocks parameter.
377 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
378 code to properly handle multiword hard registers.
379 (df_rescan_blocks): Added code to remove deleted blocks from
381 (df_ref_create_structure, df_ref_record): Added code to properly
383 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
384 and set DF_REF_PARTIAL.
385 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
386 (df_uses_record): Added DF_REF_PARTIAL for subreg.
387 (df_scan_add_problem): Added flags parameter.
388 (df_ref_create_structure): Changed switching structure.
389 (df_bb_refs_record): Fixed case where duplicate artificial refs
390 were created. Changed location of flags.
391 (df_record_entry_block_defs): Added code to make stack pointer
392 live in entry block. Refined cases where frame pointer is needed.
393 Changed location of flags.
394 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
395 (df_set_state): Removed function.
396 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
397 df_insn_create_insn_record, df_insn_refs_delete,
398 df_ref_create_structure): Formatting changes.
399 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
400 df_delete_basic_block): New function.
401 (df_init): Changed location of flags.
402 (df_add_problem): Added flags parameter and the way flags are
404 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
405 debug_df_chain): Improved debugging output.
406 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
407 (df_refs_chain_dump): Removed df parameter.
408 (df_iterative_dataflow): Added consistency check.
409 (df_prune_to_subcfg): Made public.
410 (df_analyze_problem): Added blocks_to_init parameter and made
412 (df_ref_record, df_bb_refs_record, df_mark_reg,
413 df_record_exit_block_uses): Whitespace changes.
414 (df_dump): Whitespace changes.
415 * df.h: Some reordering to remove forward references.
416 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
417 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
418 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
419 (dataflow.flags): New field.
420 (df.flag): Deleted field.
421 (df_alloc_function): Added additional bitmap parameter.
422 (df_dependent_problem_function): New type.
423 (df_problem.changeable_flags): New field.
424 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
425 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
426 (df_mw_hardreg): New struct.
427 (DF_INSN_UID_MWS): New macro.
428 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
430 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
431 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
432 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
433 (df_set_state): Removed function.
434 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
435 * df-problems.c (df_chain_dump): Removed df parameter.
436 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
437 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
439 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
440 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
441 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
442 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
443 DF_REF_MUST_CLOBBER cases.
444 (df_ru_bb_local_compute_process_def,
445 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
446 df_lr_bb_local_compute, df_ur_bb_local_compute,
447 df_chain_create_bb): Made subreg aware.
448 (df_ru_bb_local_compute, df_rd_bb_local_compute,
449 df_lr_bb_local_compute, df_lr_bb_local_compute,
450 df_chain_create_bb): Cleanup to use proper macros.
451 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
452 code to fixup bitvectors.
453 (df_ri_alloc): Cleared lifetime.
454 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
455 df_create_unused_note): New function.
456 (df_ri_bb_compute, df_ri_compute): Added code to create/update
457 REG_DEAD and REG_UNUSED notes as well as register information.
458 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
459 df_chains_dump): Fixed crash if problem was never run.
460 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
461 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
462 df_ri_add_problem): Processes flags in uniform manner.
463 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
464 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
465 df_rd_dump, df_urec_free_bb_info): Formatting changes.
466 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
467 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
468 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
469 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
470 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
471 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
472 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
473 * see.c (see_initialize_data): Ditto.
474 * final.c (rest_of_clean_state) Added regstack_completed.
475 * rtl.h (regstack_completed): Ditto.
476 * reg-stack.c (regstack_completed): Ditto.
478 2006-05-19 Mike Stump <mrs@apple.com>
480 * c-tree.h (default_conversion): Remove.
481 * c-common.h (default_conversion): Add.
483 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
485 * tree-vrp.c (valid_value_p): New function.
486 (adjust_range_with_scev): Fail if the value of bound is not
489 2006-05-19 Richard Sandiford <richard@codesourcery.com>
491 * config/mips/linux-unwind.h: Include <asm/unistd.h>
492 (mips_fallback_frame_state): Use syscall numbers to determine
493 the appropriate li instruction for the current ABI. Only use
494 __NR_sigreturn for o32.
496 2006-05-19 Nicolas Setton <setton@adacore.com>
498 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
499 * langhooks.c (lhd_dwarf_name): New function.
500 * langhooks-def.h (lhd_dwarf_name): Declare.
501 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
502 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
503 * ada/misc.c (gnat_dwarf_name): New function.
504 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
506 2006-05-19 Richard Sandiford <richard@codesourcery.com>
508 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
510 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
511 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
512 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
513 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
514 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
515 determine the size of Wtype, etc.
516 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
517 (swfloatfuncs): New variable.
518 (dwfloatfuncs): Likewise.
519 (lib2funcs): Remove floating-point conversion functions from
520 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
521 the set of conversion routines needed. Allow entries to specify
522 an object name, filename and word size. Update users accordingly.
523 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
524 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
528 2006-02-08 Roger Sayle <roger@eyesopen.com>
531 * config/fixtfdi.c: New libgcc source file.
532 * config/fixunstfdi.c: New source file.
533 * config/floatditf.c: New source file.
534 * config/floatunditf.c: New souce file.
535 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
536 files above instead of config/mips/_tilib.c.
537 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
539 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
541 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
542 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
544 2006-05-18 Mike Stump <mrs@apple.com>
546 Fix up vla, vm and [*] sematics.
552 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
553 (c_vla_unspec_p): Add.
555 * c-decl.c (struct c_scope): Add had_vla_unspec.
556 (build_array_declarator): Add support for [*].
557 (grokdeclarator): Likewise.
558 (grokparms): Likewise.
559 (get_parm_info): Likewise.
560 * c-objc-common.c (c_vla_unspec_p): Likewise.
561 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
562 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
563 typeof when argument is a variably modified type not inside sizeof or alignof.
564 (c_parser_direct_declarator_inner): Propagate errors.
565 (c_parser_sizeof_expression): Add support for [*].
566 (c_parser_parms_declarator): Initialize had_vla_unspec.
567 (c_parser_parms_list_declarator): Likewise.
568 * c-typeck.c (c_vla_type_p): Add.
569 (composite_type): Add support for vla compositing.
570 (comptypes_internal): Add support for vla compatibility.
571 (c_expr_sizeof_expr): Evaluate vla arguments.
572 * tree.c (variably_modified_type_p): Update comment for [*].
574 2006-05-18 Michael Matz <matz@suse.de>
577 * config.host: Make assignments to host_xmake_file cumulative.
578 * config.host (*-darwin*): Test $host, not $target.
580 2006-05-12 Stuart Hastings <stuart@apple.com>
582 * config/i386/i386.opt (-mstackrealign): New flag.
583 * config/i386/i386.c (force_align_arg_pointer): New attribute.
584 (ix86_handle_cconv_attribute): Emit error when
585 force_align_arg_pointer attribute collides with too many regparms.
586 (ix86_function_regparm): Limit regparms when used with
587 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
588 Support stack-realigning prologue in non-main functions. Emit
589 warning for nested functions under -mstackrealign, emit error for
590 nested functions with force_align_arg_pointer attribute.
591 * doc/extend.texi (force_align_arg_pointer): Document it.
592 * doc/invoke.texi (-mstackrealign): Document it.
594 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
596 PR rtl-optimization/27477
597 * combine.c (try_combine): Don't split a parallel consisting
598 of two sets into two individual sets if both sets reference
601 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
603 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
604 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
606 * doc/options.texi (VarExists): Updated.
608 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
610 * unwind-dw2.c: Add declarations for uw_update_context and
612 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
613 detected, advance frame state and context once to skip over stub.
615 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
619 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
620 Call rewrite_into_loop_closed_ssa only when something changed.
621 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
622 * lambda-code.c (can_convert_to_perfect_nest): Declared.
623 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
624 Test for perfect_nest_p here. Fix formating.
625 (replace_uses_equiv_to_x_with_y): Fix formating.
626 (stmt_uses_op): Removed.
627 (can_convert_to_perfect_nest): Removed loopivs parameter.
628 Complete the test by checking the scalar dependences.
629 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
632 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
635 From Dan Kegel <dank@kegel.com>:
636 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
638 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
640 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
641 if the element type is variably modified without recursing.
643 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
646 * tree-loop-linear.c (try_interchange_loops): Test for
649 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
651 PR tree-optimization/27548
652 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
653 range of ssa names that appear on abnormal edges.
654 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
655 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
657 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
660 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
662 2006-05-17 Jakub Jelinek <jakub@redhat.com>
665 * tree.h (OMP_PARALLEL_COMBINED): Define.
666 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
667 (new_omp_context): Add is_combined_parallel argument.
668 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
669 new_omp_context caller.
670 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
671 Adjust gimplify_scan_omp_clauses callers.
672 (omp_is_private): Issue errors if iteration variable is firstprivate
673 or reduction in the current context.
674 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
675 on combined parallel workshare constructs.
677 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
679 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
680 (gcc-options.o): New rule.
682 * optc-gen.awk: Protect variables for gcc-options.o with
683 #ifdef GCC_DRIVER/#endif.
685 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
687 Fix PR tree-optimization/27373
688 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
689 (forward_propagate_addr_expr): Update call.
691 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
693 * doc/options.texi: Move the Negative option.
695 2006-05-16 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/22303
698 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
700 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
701 ccp_fold did not simplify the statement.
703 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
706 * Makefile.in (GCC_OBJS): New.
707 (OBJS-common): Add opts-common.o.
708 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
709 (cpp$(exeext)): Likewise.
710 (gcc.o): Also depend on opts.h.
711 (opts-common.o): New.
713 * common.opt (gcoff): Add Negative(gdwarf-2).
714 (gdwarf-2): Add Negative(gstabs).
715 (gstabs): Add Negative(gstabs+).
716 (gstabs+): Add Negative(gvms).
717 (gvms): Add Negative(gxcoff).
718 (gxcoff): Add Negative(gxcoff+).
719 (gxcoff+): Add Negative(gcoff).
720 * config/i386/i386.opt (m32): Add Negative(m64).
721 (m64): Add Negative(m32).
723 * doc/options.texi: Document the Negative option.
725 * gcc.c: Include "opts.h".
726 (main): Call prune_options after expandargv.
728 * optc-gen.awk: Generate common declarations for all flag
729 variables in options.c. Output the neg_index field.
731 * opts.c (find_opt): Moved to ...
732 * opts-common.c: Here. New file.
734 * opts.h (cl_option): Add a neg_index field.
736 (prune_options): Likewise.
738 2006-05-16 Jakub Jelinek <jakub@redhat.com>
741 * omp-low.c (expand_omp_parallel): Don't assert
742 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
743 instead search for it.
746 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
749 2006-05-16 Andreas Schwab <schwab@suse.de>
751 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
754 2006-05-15 Roger Sayle <roger@eyesopen.com>
757 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
758 integer constants other than zero are only legitimate on TARGET_64BIT.
759 <CONST_VECTOR> Only zero vectors are legitimate.
760 (ix86_cannot_force_const_mem): Integral and vector constants can
761 always be put in the constant pool.
763 2006-05-16 DJ Delorie <dj@redhat.com>
765 * crtstuff.c (__dso_handle): Set section from
766 TARGET_LBIGCC_SDATA_SECTION if defined.
767 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
768 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
770 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
773 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
776 2006-05-16 Ben Elliston <bje@au.ibm.com>
778 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
780 2006-05-15 Per Bothner <per@bothner.com>
782 * tree.c: (last_annotated_node): Use sources_locus typedef.
783 This permits bootstrapping with --enable-mapped-location.
785 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
787 PR tree-optimization/26830
788 * tree-into-ssa.c (struct ssa_name_info): Add age field.
789 (info_for_ssa_name, current_info_for_ssa_name_age,
790 blocks_to_update): New variables.
791 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
792 (clear_ssa_name_info, initialize_flags_in_bb,
793 mark_block_for_update): New functions.
794 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
795 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
796 prepare_def_site_for): Use mark_block_for_update.
797 (mark_def_interesting): Assert that the processed block is marked in
798 blocks_to_update. Do not take blocks argument.
799 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
801 (rewrite_update_init_block, rewrite_update_stmt): Only process
802 blocks with statements to rewrite.
803 (delete_update_ssa): Do not clear SSA_NAME_AUX.
804 (update_ssa): Initialize and free blocks_to_update. Do not
805 clear flags on statements. Do not use blocks bitmap.
806 * tree.h (SSA_NAME_AUX): Removed.
807 (struct tree_ssa_name): Removed aux field.
808 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
810 2006-05-15 Richard Guenther <rguenther@suse.de>
812 PR tree-optimization/27603
813 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
814 Do computations in original type.
816 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
818 * see.c: Code style changes such as redundant paranthesis,
819 redundant intialization of local variables etc.
820 (see_main): Declared now as static.
821 * doc/invoke.texi: Update that -fsee is not enabled by
824 2006-05-15 Jakub Jelinek <jakub@redhat.com>
826 * omp-low.c (check_omp_nesting_restrictions): New function.
827 (scan_omp_1): Call it.
830 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
831 construct, return *VAR.
833 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
835 PR rtl-optimization/27406
836 * bt-load.c (migrate_btr_def): Skip the block having abnormal
839 2006-05-14 Roger Sayle <roger@eyesopen.com>
841 PR rtl-optimization/27538
842 * combine.c (expand_compound_operation): Call gen_lowpart
843 before calling simplify_shift_const.
845 2006-05-14 Roger Sayle <roger@eyesopen.com>
847 PR rtl-optimization/22563
848 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
849 a fixed width bitfield, always force the intermediates into psuedos.
851 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
854 * mkconfig.sh: Use operator = instead of == for test.
856 2006-05-13 Nick Clifton <nickc@redhat.com>
858 * dwarf2out.c (dbx_reg_number): Check return value from
859 LEAF_REG_REMAP and only use it if it is valid.
860 (multiple_reg_loc_descriptor): Likewise.
862 2006-05-13 Richard Guenther <rguenther@suse.de>
864 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
867 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
869 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
870 information attached to non-INSNs such as NOTEs.
871 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
873 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
875 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
877 * config/s390/s390.md: Adjust comment describing On constraint.
879 2006-05-11 Jan Hubicka <jh@suse.cz>
881 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
884 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
887 * fold-const.c (size_binop): Move sanity check for arguments to
888 the beginning of the function.
891 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
894 2006-05-11 Richard Guenther <rguenther@suse.de>
897 * fold-const.c (fold_unary): Handle intermediate conversion
898 to a pointer type like intermediate conversion to an integer
899 type in folding of (T1)(T2)var to var.
900 Match the code to the comment in the final conversion for
901 (T1)(T2)var to (T1)var regarding to type precision. Rather
902 than disallow T1 being of pointer type, assert that both T1
903 and var are of pointer type or not. Make sure not to fall
904 over the frontends lazyness wrt array to pointer decay though.
906 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
908 * arm.c (arm_struct_value_rtx): Delete.
909 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
910 (arm_init_cumulative_args): Always initialize nregs to zero.
912 2006-05-10 Richard Guenther <rguenther@suse.de>
914 PR tree-optimization/27532
915 * tree-object-size.c (plus_expr_object_size): Fix typo.
917 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
920 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
921 ashrdi_const, ashrdi3): Use a scratch register.
923 2006-05-10 Richard Guenther <rguenther@suse.de>
925 PR tree-optimization/27302
926 * fold-const.c (operand_equal_p): For two comparisons,
927 try comparison of one comparison code swapped if that yields
930 2006-05-10 Ben Elliston <bje@au.ibm.com>
932 * tree-pretty-print.c (pretty_print_string): No need to handle
933 '\0' as a special character.
935 * tree.h: Include "hashtab.h".
936 (iterative_hash_expr): Use hashval_t in its prototype.
937 * Makefile.in (TREE_H): Add $(HASHTAB_H).
939 2006-05-09 Steve Ellcey <sje@cup.hp.com>
942 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
943 (hppa*64*-*-hpux11*): Ditto.
944 (hppa[12]*-*-hpux11*): Ditto.
946 2006-05-09 David Edelsohn <edelsohn@gnu.org>
949 * config/rs6000/aix41.h (TARGET_64BIT): Define.
951 2006-05-09 Michael Matz <matz@suse.de>
953 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
954 host_extra_gcc_objs and host_xmake_file.
955 (<*-*-linux*>): Don't overwrite host_xmake_file.
956 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
957 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
958 (host_detect_local_cpu): Declare.
959 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
960 * config/i386/i386.c (override_options): Handle -mtune=native
962 * config/i386/x-i386: New file.
963 * config/i386/driver-i386.c: New file.
964 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
967 2006-05-09 Dirk Mueller <dmueller@suse.de>
968 Richard Guenther <rguenther@suse.de>
971 * fold-const.c (fold_read_from_constant_string): Relax check
972 for matching types to matching modes.
974 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
976 PR rtl-optimization/27335
977 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
980 2006-05-08 Chao-ying Fu <fu@mips.com>
981 Richard Sandiford <richard@codesourcery.com>
983 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
984 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
985 * config/mips/mips.md (UNSPEC_SCC): New constant.
986 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
987 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
988 (mips_emit_compare): Use it.
989 (mips_expand_vcondv2sf): New function.
991 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
993 Fix PR tree-optimization/27093
994 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
995 renaming when they become not-used_alone.
997 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
999 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1000 relocation and relocation stubs.
1002 2006-05-08 Eric Christopher <echristo@apple.com>
1004 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1007 2006-05-08 Jan Hubicka <jh@suse.cz>
1010 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1011 unused static functions are needed.
1013 2006-05-08 Roger Sayle <roger@eyesopen.com>
1016 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1017 of a reg_equiv_constant if the result is a legitimate constant.
1019 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1022 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1023 standard 80387 constants, raise the cost to prevent
1024 compress_float_constant() to generate load from memory.
1026 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1028 * config/arm/constraints.md (c): Fix a typo.
1030 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1033 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1036 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1038 (_mm_mwait): Likewise.
1040 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1042 (sse3_monitor): Make it 32bit only.
1043 (sse3_monitor64): New. 64bit monitor.
1045 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1048 * config/i386/i386.c (classify_argument): Skip fields with invalid
1051 2006-05-07 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/27409
1054 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1055 Do not try to find zero-sized subvars.
1057 2006-05-07 Richard Guenther <rguenther@suse.de>
1059 PR tree-optimization/27136
1060 * tree-ssa-loop-niter.c (get_val_for): Correct function
1061 comment, assert requirements.
1062 (loop_niter_by_eval): Stop processing if the iterated
1063 value did not simplify.
1065 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1067 * opts.c (flag_see): remove its setting at -O3.
1069 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1071 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1072 * arm/constraints.md: New file.
1073 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1074 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1075 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1076 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1077 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1078 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1079 * arm.md: Include constraints.md.
1080 (thumb_movsi_insn): Use satisfies_constraint_J.
1081 (movhi, movqi): Use satisfies_constraint_I.
1083 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1085 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1086 for atmeg a645 device.
1088 2006-05-06 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/27151
1091 * tree-vect-transform.c (vectorizable_condition): Punt on
1092 values that have a different type than the condition.
1094 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1097 * c-parser.c (c_parser_cast_expression): Only insert casts into
1098 hash table if pointer.
1099 * function.c (used_types_insert_helper): Rename from
1101 (used_types_insert): Call used_types_insert_helper.
1102 * function.h (used_types_insert): Accept only one argument.
1104 2006-05-05 David Edelsohn <edesohn@gnu.org>
1106 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1107 scratch with output modifier.
1109 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1112 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1113 with output modifier.
1115 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1118 * config/mips/mips.c (mips_symbolic_address_p): Return true
1119 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1120 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1122 2006-05-04 Richard Guenther <rguenther@suse.de>
1124 PR tree-optimization/14287
1125 PR tree-optimization/14844
1126 PR tree-optimization/19792
1127 PR tree-optimization/21608
1128 PR tree-optimization/27090
1129 * tree-ssa-pre.c (try_combine_conversion): New function.
1130 (compute_avail): After constructing the value-handle
1131 expression, use try_combine_conversion to combine NOP_EXPRs
1132 with previous value-handle expressions and use the result if it
1135 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1137 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1139 2006-05-04 Jan Hubicka <jh@suse.cz>
1142 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1144 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1146 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1147 that this only matches CONST_INTs. All users changed to VOIDmode
1150 * config/bfin/bfin.c: Include "optabs.h".
1151 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1153 (enum bfin_builtins): Add a number of fractional and vector builtins.
1154 (bfin_init_builtins): Likewise.
1155 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1156 (safe_vector_operand, bfin_expand_binop_builtin,
1157 bfin_expand_unop_builtin): New functions.
1158 (bfin_expand_builtin): Handle the new builtins.
1159 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1162 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1165 * Makefile.in (OBJS-common): Add see.o.
1166 (see.o): Add dependencies.
1167 * common.opt (fsee): New flag for the see optimization was added.
1168 * opts.c (flag_see): Initialized.
1169 * passes.c (init_optimization_passes, pass_see): New pass.
1170 * rtl.h (see_main): Declaration as extern.
1171 * timevar.def (TV_SEE): New.
1172 * tree-pass.h (pass_see): Declaration as extern.
1173 * invoke.texi (-fsee): Document.
1174 * recog.c (validate_simplify_insn): New function.
1175 * recog.h (validate_simplify_insn): Declaration as extern.
1176 * df-problems.c (df_chain_dump): Check for NULL.
1178 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1179 Daniel Berlin <dberlin@dberlin.org>
1181 * cfgrtl.c (insert_insn_bb_end_new): New function.
1182 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1184 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1186 * df.h (struct web_entry): Moved from web.c.
1187 (union_defs): Declaration as extern.
1188 (unionfind_root): Likewise.
1189 (unionfind_union): Likewise.
1190 * web.c (struct web_entry): Moved to df.h.
1191 (unionfind_root): Remove static declaration.
1192 (unionfind_union): Likewise.
1193 (union_defs): Likewise and generalize to use callback function.
1194 (web_main): Update arguments for union_defs function call.
1196 2006-05-04 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/26447
1199 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1200 produce SSA_NAME copies before the store stmt to avoid
1201 breaking exception handling.
1203 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1206 * gimplify.c (omp_is_private): If var is shared in some outer context,
1207 return false instead of true. Stop searching on parallel context
1210 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1213 * coverage.c: Use get_gcov_unsigned_t() instead of
1214 unsigned_type_node all over.
1216 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1218 PR tree-optimization/27381
1219 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1220 maintain the same immediate_use links.
1221 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1222 node rather than segfaulting.
1224 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1227 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1228 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1229 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1231 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1233 Fix PR tree-optimization/26626
1234 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1236 * tree-ssa-operands.c (access_can_touch_variable): Allow
1237 typecasting through union pointers.
1239 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1242 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1243 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1244 to find if var will be a global variable even in the nested context.
1245 (omp_copy_decl): Only check for global variable at the end, it might
1246 be overridden in outer contexts.
1247 (scan_sharing_clauses): For global variables don't create a field.
1248 (lower_rec_input_clauses): Do nothing for global shared variables.
1249 Emit a barrier at the end of ILIST if there were any decls in both
1250 firstprivate and lastprivate clauses.
1251 (lower_send_clauses): Do nothing for global variables except for
1254 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1256 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1257 of the correct signedness is returned.
1259 2006-05-02 Jeff Law <law@redhat.com>
1261 PR tree-optimization/27364
1262 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1263 multiply expressions.
1265 2006-05-02 Tom Tromey <tromey@redhat.com>
1267 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1269 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1272 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1273 -mthumb -fPIC are used.
1275 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1276 Joshua Kinard <kumba@gentoo.org>
1279 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1280 with 64-bit pointers.
1282 2006-05-02 Paul Brook <paul@codesourcery.com>
1284 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1286 (create_fix_barrier): Check that a suitable barrier location is
1288 (arm_reorg): Include ftmp->address in allowable range of addresses.
1290 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1293 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1296 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1299 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1300 around RESULT_DECL for result passed by reference.
1301 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1302 * omp-low.c (use_pointer_for_field): Don't look at
1303 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1304 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1305 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1306 time or var for passing by reference for
1307 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1308 TREE_ADDRESSABLE variables when passing by reference.
1310 * omp-low.c (dump_omp_region): Fix output formatting.
1313 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1314 (expand_omp_parallel): Likewise.
1315 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1318 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1319 on statement list containing also constructors and destructors.
1320 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1323 * except.c (duplicate_eh_regions): Fix clearing of
1324 cfun->eh->region_array entries.
1326 2006-05-01 DJ Delorie <dj@redhat.com>
1328 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1330 (gcc_cv_objdump): Likewise.
1331 * configure: Regenerated.
1333 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1336 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1337 templates for case 3 and 4.
1339 2006-05-01 DJ Delorie <dj@redhat.com>
1341 * vec.c: Include bconfig.h when appropriate.
1342 * Makefile.in (build/vec.o): Adjust dependencies.
1343 * mkconfig.sh: Make sure config.h isn't used for build machine
1346 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1348 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1350 (mark_phi_for_rewrite): New function.
1351 (insert_phi_nodes_for, mark_use_interesting): Call
1352 mark_phi_for_rewrite.
1353 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1354 (update_ssa): Initialize and free phis_to_rewrite.
1356 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1358 PR rtl-optimization/27291
1359 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1360 folded to a constant.
1362 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1364 PR tree-optimization/27283
1365 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1366 not whole # of iteration descriptions.
1367 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1368 uses abnormal ssa name.
1369 (niter_for_single_dom_exit): Ditto.
1370 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1371 return just the number of iterations.
1373 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1375 PR tree-optimization/27144
1376 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1377 (record_estimate): Only record constant upper bound.
1378 (infer_loop_bounds_from_undefined): Call
1379 compute_estimated_nb_iterations just once.
1380 (proved_non_wrapping_p): Renamed to ...
1381 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1382 (convert_step_widening, scev_probably_wraps_p): Call
1383 n_of_executions_at_most instead of proved_non_wrapping_p.
1384 (substitute_in_loop_info): Do not replace values in bounds.
1385 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1388 2006-05-01 Richard Henderson <rth@redhat.com>
1391 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1392 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1395 2006-05-01 Roger Sayle <roger@eyesopen.com>
1397 * c-typeck.c (parser_build_binary_op): Don't call the function
1398 unsigned_conversion_warning to spot operand/result type overflow.
1399 (build_binary_op): Instead, call convert_and_check instead of
1400 convert to report the problem when the operands are promoted.
1401 * c-common.c (unsigned_conversion_warning): Make static.
1402 * c-common.h (unsigned_conversion_warning): Delete prototype.
1404 2006-05-01 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/26726
1407 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1409 (find_interesting_uses_address): ... we work around here
1410 by folding INDIRECT_REFs in the substituted base.
1412 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1414 * omp-low.c (dump_omp_region): Add newlines.
1416 2006-04-30 Roger Sayle <roger@eyesopen.com>
1418 * common.opt (Woverflow): New command line option.
1419 * c-common.c (constant_expression_warning): Check warn_overflow.
1420 (overflow_waring): Pass OPT_Woverflow to warning.
1421 (unsigned_conversion_warning): Likewise.
1422 (convert_and_check): Likewise.
1423 * doc/invoke.texi: Document new command line option.
1425 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1427 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1428 TARGET_NO_FP_IN_TOC for section anchors.
1429 (optimization_options): Enable section anchors for all
1430 non-"Objective" languages.
1432 2006-04-28 Eric Christopher <echristo@apple.com>
1434 * config/darwin-c.c (darwin_ms_struct): Move this
1435 (darwin_set_default_type_attributes): and this...
1436 * config/darwin.c: ... here.
1437 * config/darwin.h (darwin_ms_struct): Declare.
1439 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1441 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1443 2006-04-28 Roger Sayle <roger@eyesopen.com>
1446 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1447 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1448 an unsigned HOST_WIDE_INT.
1449 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1451 (really_start_incremental_init): No need to call convert because
1452 bitsize_zero_node is already of type bitsizetype.
1453 (push_init_level): Extract the value of constructor_index as an
1454 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1455 (process_init_element): Likewise.
1457 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1459 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1460 value before passing to make_relative_prefix.
1462 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1465 * builtins.c (expand_builtin_memset): Expand val in original mode.
1467 2006-04-27 Eric Christopher <echristo@apple.com>
1469 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1470 with #ifndef/#endif.
1471 * config/darwin-c.c (darwin_ms_struct): New.
1472 (darwin_pragma_ms_struct): Ditto.
1473 (darwin_set_default_type_attributes): Ditto.
1474 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1475 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1476 Register ms_struct pragma.
1477 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1478 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1479 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1480 darwin_set_default_type_attributes if TARGET_MACHO.
1482 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1484 PR tree-optimization/26854
1485 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1486 * doc/tree-ssa.texi: Update immuse iterator documentation.
1487 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1488 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1489 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1490 first_safe_imm_use, next_safe_imm_use): Remove.
1491 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1492 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1493 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1494 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1495 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1496 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1497 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1498 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1499 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1500 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1501 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1502 (perfect_nestify): Use new iterator.
1503 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1505 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1506 (next_imm_name): New field in struct immediate_use_iterator_d.
1507 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1508 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1509 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1510 * tree-cfg.c (replace_uses_by): Use new iterator.
1511 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1512 * tree-ssa-operands.c (correct_use_link): Remove.
1513 (finalize_ssa_use_ops): No longer call correct_use_link.
1515 2006-04-27 Stuart Hastings <stuart@apple.com>
1517 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1518 * config/t-darwin (crt3.o): Use it.
1519 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1520 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1521 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1522 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1523 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1526 2006-04-27 Roger Sayle <roger@eyesopen.com>
1528 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1529 size, force the intermediate into a new pseudo rather instead of
1530 performing both a bitwise AND and a bitwise IOR in memory.
1532 2006-04-27 Richard Guenther <rguenther@suse.de>
1534 PR rtl-optimization/26685
1535 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1536 this one "max-flow-memory-locations".
1538 2006-04-27 Richard Guenther <rguenther@suse.de>
1540 PR tree-optimization/25148
1541 * tree-vrp.c (compare_values): Remove code dealing with
1542 comparisons against type min/max value. Honour overflow
1543 and negative constants in code dealing with comparisons
1544 of plus and minus expressions.
1545 (value_inside_range): Use fold_binary with LE_EXPR and
1546 GE_EXPR rather than compare_values.
1548 2006-04-27 Dirk Mueller <dmueller@suse.de>
1550 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1553 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1555 * basic-block.h (safe_insert_insn_on_edge): Removed.
1556 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1558 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1559 Paolo Bonzini <bonzini@gnu.org>
1562 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1563 (simplify_and_const_int): Same.
1565 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1567 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1569 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1572 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1573 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1574 cgraph_global_info_ready.
1577 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1580 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1581 either decl or init is error_mark_node.
1584 * tree-flow.h (struct omp_region): Add sched_kind.
1585 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1586 instead of extracting omp for data.
1587 (expand_omp_for): Save extracted sched_kind.
1589 2006-04-25 Roger Sayle <roger@eyesopen.com>
1591 * expmed.c (store_bit_field): Also check whether the bitsize is
1592 valid for the machine's "insv" instruction before moving the
1593 target into a pseudo for use with the insv.
1594 * config/i386/predicates.md (const8_operand): New predicate.
1595 * config/i386/i386.md (extv, extzv, insv): Use the new
1596 const8_operand predicate where appropriate.
1598 2006-04-25 DJ Delorie <dj@redhat.com>
1600 * doc/install.texi (Specific): Clarify that this is not a list of
1601 supported hosts or targets.
1603 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1605 PR rtl-optimization/26725
1606 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1607 block's BB_DIRTY flag.
1609 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1611 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1614 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1615 to print an integer.
1617 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1619 * varasm.c (align_variable): New function.
1620 (get_block_for_decl): Apply align_variable to DECL before
1621 calculating section information.
1622 (assemble_variable): Split out alignment computation.
1624 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1626 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1629 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1631 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1632 MODE_PARTIAL_INT mode.
1633 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1634 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1636 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1637 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1639 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1641 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1643 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1644 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1645 MACFLAG_IH): Likewise.
1646 (movstricthi_1): Renamed from "*movstricthi".
1647 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1648 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1649 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1650 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1651 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1652 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1653 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1654 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1655 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1656 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1657 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1658 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1659 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1660 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1661 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1663 * doc/rtl.texi (ss_ashift): Improve wording.
1665 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1667 * dwarf2out.c (verify_marks_clear): New.
1668 (prune_unused_types): Call verify_marks_clear initially, not
1671 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1673 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1674 * doc/rtl.texi: Document them.
1675 * simplify-rtx.c (simplify_unary_operation,
1676 simplify_binary_operation_1): Don't abort when we see them.
1678 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1681 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1682 * configure.ac: Completely disregard languages that are not
1684 * configure: Regenerated.
1686 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1687 Richard Guenther <rguenther@suse.de>
1689 PR tree-optimization/27236
1690 * tree-inline.c (copy_body_r): Make sure to copy
1691 TREE_THIS_VOLATILE flag.
1693 2006-04-24 Richard Guenther <rguenther@suse.de>
1696 * tree-complex.c (update_parameter_components): Don't handle
1697 unused parameters which have no default def.
1699 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1700 Richard Guenther <rguenther@suse.de>
1702 PR tree-optimization/27218
1703 * tree-inline.c (expand_call_inline): Strip useless type
1704 conversions for the return slot address.
1706 2006-04-24 Richard Guenther <rguenther@suse.de>
1708 * cfgloop.h (struct loops): Remove unused field array. Reorder
1710 (LOOP_PREFETCH): Remove.
1712 2006-04-24 Richard Guenther <rguenther@suse.de>
1714 PR tree-optimization/22525
1715 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1716 variable, adjust types of generated expressions.
1718 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1720 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1721 (tree-vect-patterns.o): Likewise.
1723 (cselib.o): Likewise.
1724 (loop-doloop.o): Likewise.
1725 (regclass.o): Likewise.
1726 (reload1.o): Likewise.
1727 (explow.o): Replace target.h with $(TARGET_H).
1728 (ipa-prop.o): Likewise.
1729 (ipa-cp.o): Likewise.
1730 (ipa-inline.o): Likewise.
1731 (reorg.o): Likewise.
1732 (reg-stack.o): Likewise.
1734 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1736 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1738 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1740 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1742 * configure.ac: Completely disregard languages that are not
1744 * configure: Regenerated.
1747 * c-common.h (c_build_bitfield_integer_type): Declare.
1748 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1749 * c-common.c (c_build_bitfield_integer_type): ... here.
1751 2006-04-23 Roger Sayle <roger@eyesopen.com>
1754 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1755 a SImode SUBREG of a floating point register after no_new_pseudos.
1757 2006-04-23 Roger Sayle <roger@eyesopen.com>
1759 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1760 identify potentially eliminable registers to additionally catch
1761 VIRTUAL_INCOMING_ARGS_REGNUM.
1762 (addsi3): Update the conditions on when to use addsi_small_int.
1764 2006-04-23 Roger Sayle <roger@eyesopen.com>
1767 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1768 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1769 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1771 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1773 * fold-const.c (range_predecessor): Use operand_equal_p
1774 as the predicate for equality.
1775 (range_successor): Likewise.
1777 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1780 * config/soft-fp/op-common.h: Fix a typo.
1782 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1785 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1786 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1788 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1790 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1792 * doc/tm.texi: Fix a typo.
1794 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1796 * dwarf2out.c (struct die_struct): Document that die_sib makes
1797 a circular linked list.
1798 (FOR_EACH_CHILD): New.
1799 (reverse_die_lists): Delete.
1800 (reverse_all_dies): Delete.
1801 (add_dwarf_attr): Correct documentation.
1802 (remove_child_with_prev): New.
1803 (remove_child_TAG): Update for change to die_struct, use
1804 remove_child_with_prev.
1805 (add_child_die): Update for change to die_struct.
1806 (splice_child_die): Use remove_child_with_prev and add_child_die.
1807 (print_die): Use FOR_EACH_CHILD.
1808 (die_checksum): Likewise.
1809 (assign_symbol_names): Likewise.
1810 (output_location_lists): Likewise.
1811 (build_abbrev_table): Likewise.
1812 (calc_die_sizes): Likewise.
1813 (mark_dies): Likewise.
1814 (unmark_dies): Likewise.
1815 (unmark_all_dies): Likewise.
1816 (output_die): Likewise.
1817 (prune_unused_types_mark): Likewise.
1818 (prune_unused_types_walk): Likewise.
1819 (same_die_p): Update for change to die_struct.
1820 (break_out_includes): Likewise.
1821 (prune_unused_types_prune): Likewise.
1822 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1823 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1825 (dwarf2out_finish): Don't call reverse_all_dies.
1827 2006-04-21 Eric Christopher <echristo@apple.com>
1829 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1830 in comments and function names.
1832 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1835 * c-typeck.c (digest_init): Robustify.
1837 * c-typeck.c (pop_init_level): Simplify.
1839 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1841 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1843 2006-04-21 Paul Brook <paul@codesourcery.com>
1845 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1846 hardware floating point.
1848 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1850 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1853 2006-04-21 Nick Clifton <nickc@redhat.com>
1855 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1858 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1861 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1862 C++ lang type in traceback table for Objective-C++.
1864 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1866 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1868 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1870 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1873 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1874 were errors. Remove check for erroneous objects.
1876 2006-04-20 Jeff Law <law@redhat.com>
1878 PR tree-optimization/26854
1879 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1880 checking for zero or one use.
1881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1882 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1883 * tree-ssa-reassoc.c (negate_value): Similarly.
1884 (reassociate_bb): Similarly.
1886 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1888 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1889 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1890 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1892 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1894 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1895 fp regs if the last fp arg doesn't fit in regs.
1897 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1900 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1901 that the last insn has the REG_INC note.
1903 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1904 Nathan Sidwell <nathan@codesourcery.com>
1907 * stor-layout.c (update_alignment_for_field): Do not align
1909 (place_union_field): Place union field at the start of the union.
1910 (place_field): Move ERROR_MARK check later, and use the current
1911 allocation position to maintain monotonicity.
1913 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1915 * dominance.c: Include timevar.h.
1916 (calculate_dominance_info): Use TV_DOMINANCE.
1917 * timevar.def (TV_DOMINANCE): New timevar.
1918 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1920 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1922 PR rtl-optimization/14261
1923 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1924 move would be an INSV insn.
1925 (noce_process_if_block): Don't optimize if the destination is a
1926 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1928 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1930 * config/s390/s390.md: Add comments with the instructions emitted
1931 by an insn pattern if macros are used.
1933 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1935 PR rtl-optimization/26026
1936 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1937 is a known power of two shifted left a variable amount.
1939 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1941 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1942 to hash table twice when the debug_str section has SECTION_MERGE.
1944 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1946 * config/soft-fp: New directory. From glibc.
1947 * config/soft-fp/t-softfp: New.
1948 * config/soft-fp/README: New.
1949 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1950 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1951 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1952 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1953 * config.gcc: Use rs6000/t-fprules-fpbit or
1954 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1956 * config/rs6000/sfp-machine.h: New. Based on glibc.
1957 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1959 * config/rs6000/t-fprules: Remove fp-bit rules.
1960 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1961 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1962 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1963 (softfp_wrap_start, softfp_wrap_end): New.
1965 2006-04-18 DJ Delorie <dj@redhat.com>
1967 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1969 2006-04-18 Devang Patel <dpatel@apple.com>
1971 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1973 2006-04-18 Nick Clifton <nickc@redhat.com>
1975 * config/sh/t-symbian: Add rule to build sh-c.o
1976 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1977 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1978 (sh_symbian_encode_section_info): Likewise.
1980 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1982 * builtins.c (expand_builtin_strcmp): Cover label definition of
1983 do_libcall with HAVE_cmpstrnsi.
1985 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1987 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1989 * function.h (temp_slot_p): New.
1990 (function): Change the type of x_used_temp_slots to
1991 VEC(temp_slot_p,gc) *.
1993 2006-04-18 Nick Clifton <nickc@redhat.com>
1995 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1996 flag_strength_reduce.
1998 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2000 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2004 Partial revert of revision 112637
2005 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2006 Dale Johannesen <dalej@apple.com>
2009 * regclass.c (struct reg_pref): Update documentation.
2010 (regclass): Set prefclass to NO_REGS if memory is the best option.
2011 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2013 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2015 PR tree-optimization/26821
2016 * tree-ssa-math-opts.c (get_constant_one): New.
2017 (insert_reciprocals): Use it.
2019 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2021 * dwarf2out.c (free_AT): Delete.
2022 (remove_AT): Update string ref counts.
2023 (remove_child_TAG): Don't call free_die.
2025 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2026 or DW_TAG_GNU_EINCL.
2027 (prune_unused_types_walk_attribs): Reset string refcounts.
2028 (prune_unused_types_update_strings): New.
2029 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2030 call free_die. Do call prune_unused_types_update_strings.
2031 (prune_unused_types): Empty debug_str_hash.
2033 2006-04-17 Roger Sayle <roger@eyesopen.com>
2035 * expr.c (expand_assignment): Optimize away no-op moves where the
2036 source and destination are equal and have no side-effects.
2038 2006-04-17 Richard Guenther <rguenther@suse.de>
2041 * reload.c (push_reload): Guard calls to get_secondary_mem
2044 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2046 * alias.c (reg_base_value, old_reg_base_value): Change the
2047 type to VEC(rtx,gc) *.
2048 (REG_BASE_VALUE, find_base_value, record_set,
2049 init_alias_analysis): Use VEC instead of VARRAY.
2051 * alias.c (alias_sets): Change the type to
2052 VEC(alias_set_entry,gc) *.
2053 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2054 VEC instead of VARRAY.
2055 (last_alias_set): Remove.
2057 * cgraph.h (cgraph_edge_p): New.
2058 Update the prototype of cgraph_function_versioning.
2059 * cgraphunit.c (cgraph_copy_node_for_versioning,
2060 cgraph_function_versioning): Use VEC instead of VARRAY.
2061 * ipa-cp.c (ipcp_insert_stage): Likewise.
2063 2006-04-16 Roger Sayle <roger@eyesopen.com>
2066 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2067 "A op B" or "A op C", we may need to convert A to the type of B and C.
2069 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2071 * target.h (struct gcc_target): Add mode_rep_extended.
2072 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2073 (init_num_sign_bit_copies_in_rep): Initialize it using
2075 (truncate_to_mode): Use it.
2076 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2077 * targhooks.h (default_mode_rep_extended): Declare it.
2078 * targhooks.c (default_mode_rep_extended): Define it.
2079 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2080 default_mode_rep_extended.
2081 (TARGET_INITIALIZER): Include it.
2082 * doc/tm.texi (Misc): Document it.
2083 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2084 (mips_truncated_to_mode): New function.
2086 2006-04-16 Roger Sayle <roger@eyesopen.com>
2089 * expr.c (compress_float_constant): Copy the narrow constant into
2090 a new pseudo before extending it to its final width.
2092 2006-04-16 Roger Sayle <roger@eyesopen.com>
2093 Andrew Pinski <pinskia@gcc.gnu.org>
2094 Dale Johannesen <dalej@apple.com>
2097 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2098 special case code to implement V8HImode and V16QImode with SSE2.
2100 2006-04-15 Roger Sayle <roger@eyesopen.com>
2102 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2103 trees are constructed with a suitable tree type.
2105 2006-04-15 Roger Sayle <roger@eyesopen.com>
2107 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2108 (integer_onep): Likewise.
2109 (integer_all_onesp): Likewise.
2110 (integer_pow2p): Likewise.
2111 (integer_nonzerop): Likewise.
2112 (real_zerop): Likewise.
2113 (real_onep): Likewise.
2114 (real_twop): Likewise.
2115 (real_minus_onep): Likewise.
2116 (int_size_in_bytes): Likewise.
2117 (host_integerp): Likewise.
2119 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2121 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2122 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2123 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2125 * tree-ssa-structalias.h (alias_info): Remove num_references.
2127 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2129 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2130 (output_bvb patterns): Likewise.
2131 * pa.c (output_bb): Use 'bb' insn for long branch case.
2132 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2133 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2134 1. Correct length operand for alternatives 1 and 2.
2135 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2136 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2138 2006-04-14 Roger Sayle <roger@eyesopen.com>
2140 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2141 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2142 were accidentally reverted by r112959.
2144 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2147 * except.h (eh_region_outermost): New prototype.
2148 * except.c (eh_region_outermost): New function.
2149 * tree-cfg.c (find_outermost_region_in_block): Use it.
2151 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2153 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2155 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2156 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2157 (init_reload, reload): Use VEC instead of VARRAY.
2158 * reload.h: Update the prototype for
2159 reg_equiv_memory_loc_varray.
2161 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2162 Eric Botcazou <ebotcazou@libertysurf.fr>
2164 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2167 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2170 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2171 to expand fallback builtin function call.
2173 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2176 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2177 and emit libcall here in case the builtin fails.
2178 (expand_builtin_strcmp): Always emit the libcall here on failure.
2180 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2182 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2183 * flow.c (reg_n_info): Change the type to
2184 VEC(reg_info_p,heap) *.
2185 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2187 * regs.h (reg_info_p): New.
2188 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2189 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2190 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2193 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2195 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2197 * params.h (MAX_SCHED_READY_INSNS): New macro.
2198 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2199 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2200 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2201 the ready list for 1 cycle during the first scheduling pass.
2202 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2204 2006-04-13 Richard Henderson <rth@redhat.com>
2207 * gimple-low.c (lower_omp_directive): Remove dead code.
2208 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2209 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2210 * omp-low.c (struct omp_region): Move to tree-flow.h.
2211 (root_omp_region): Export.
2212 (omp_regions, lookup_omp_region): Remove.
2213 (determine_parallel_type): Update for struct omp_region changes.
2214 (dump_omp_region): Dump regions with block numbers.
2215 (new_omp_region): Take type and block instead of stmt; malloc
2217 (free_omp_region_1, free_omp_regions): New.
2218 (expand_parallel_call): Take entry_stmt as argument; update for
2219 changes to omp_region.
2220 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2221 (remove_exit_barriers): New.
2222 (expand_omp_parallel): Update for struct omp_region changes.
2223 (expand_omp_synch): Likewise.
2224 (expand_omp): Likewise.
2225 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2226 (expand_omp_for_static_chunk): Likewise.
2227 (expand_omp_for): Likewise.
2228 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2229 (expand_omp_sections): Similarly, with GOMP_sections_end.
2230 (expand_omp_single): New.
2231 (build_omp_regions_1): Update for OMP_CONTINUE.
2232 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2233 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2234 OMP_SECTIONS_SECTIONS.
2235 (lower_omp_single_simple): Don't emit barrier here.
2236 (lower_omp_single_copy): Likewise.
2237 (lower_omp_single): Fix bindings, and lower to straightline now.
2238 (lower_omp_master, lower_omp_ordered): Likewise.
2239 (lower_omp_critical): Likewise.
2240 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2241 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2242 omp edges, free it afterward.
2243 (make_omp_sections_edges): Remove.
2244 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2245 (move_stmt_r): Handle OMP_CONTINUE.
2246 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2247 statement pointers to basic blocks. Add type member.
2248 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2249 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2250 * tree-inline.c (estimate_num_insns_1): Likewise.
2251 * tree-pretty-print.c (dump_generic_node): Likewise.
2252 * tree-ssa-operands.c (get_expr_operands): Likewise.
2253 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2254 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2255 (OMP_CONTINUE): New.
2256 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2257 (OMP_SECTIONS_SECTIONS): Remove.
2258 (OMP_SECTION_LAST): New.
2259 (OMP_RETURN_NOWAIT): New.
2261 2006-04-13 Roger Sayle <roger@eyesopen.com>
2263 * fold-const.c (native_encode_vector, native_interpret_real):
2264 Correct obvious mistakes in the previous check-in.
2266 2006-04-13 Roger Sayle <roger@eyesopen.com>
2268 * fold-const.c (native_encode_expr): New function to encode
2269 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2270 or VECTOR_CST into a specified buffer.
2271 (native_encode_int): New function.
2272 (native_encode_real): New function.
2273 (native_encode_complex): New function.
2274 (native_encode_vector): New function.
2275 (native_interpret_expr): Inverse of native_encode_expr to convert
2276 a target representation into an INTEGER_CST, REAL_CST etc...
2277 (native_interpret_int): New function.
2278 (native_interpret_real): New function.
2279 (native_interpret_complex): New function.
2280 (native_interpret_vector): New function.
2281 (fold_view_convert_expr): New function to constant fold/evaluate
2282 a VIEW_CONVERT_EXPR of a suitable constant expression.
2283 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2284 Change call of build1 to fold_build1 when constructing a
2287 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2288 Ulrich Weigand <uweigand@de.ibm.com>
2291 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2294 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2297 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2298 optimize to lo_sum for DFmode if !TARGET_FPRS.
2300 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2302 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2303 delete_alias_info, compute_flow_sensitive_aliasing,
2304 group_aliases): Use VEC instead of VARRAY.
2305 * tree-ssa-structalias.c (update_alias_info): Likewise.
2306 * tree-ssa-structalias.h (alias_info): Change the type of
2307 processed_ptrs to VEC(tree,heap) *.
2309 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2312 * config/sh/lib1funcs.h: New file, broken out of:
2313 * config/sh/lib1funcs.asm.
2314 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2316 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2317 * config/sh/lib1funcs-Os-4-200.asm: New file.
2318 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2319 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2320 (EXTRA_MULTILIB_PARTS): Include it.
2321 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2322 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2323 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2324 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2327 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2329 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2330 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2331 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2333 * tree-ssa-live.h: Include vecprim.h.
2334 (tree_partition_associator_d): Change the type of
2335 first_partition to VEC(int,heap) *.
2336 (tpa_first_partition): Use VEC instead of VARRAY.
2338 * Makefile.in (GTFILES): Move functions.h after tree.h.
2339 * function.c (reset_block_changes, record_block_change,
2340 check_block_change, free_block_changes): Use VEC instead of
2342 * function.h (function): Change the type of
2343 ib_boundaries_block to VEC(tree,gc) *.
2344 * tree-inline.c (copy_cfg_body): Initialize
2345 ib_boundaries_block to NULL instead of (varray_type) 0.
2347 2006-04-12 Roger Sayle <roger@eyesopen.com>
2349 * expr.c (emit_group_store): Correct operand order in call to
2350 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2351 a SUBREG_BYTE of zero.
2353 2006-04-12 Richard Guenther <rguenther@suse.de>
2355 * profile.c (compute_branch_probabilities): Remove code
2356 encapsulated in !ir_type (), which are remanents of the
2357 removed RTL profiling code.
2358 * rtl-profile.c: Remove.
2360 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2362 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2363 magic NULL_RTX comment.
2364 (function_arg): Store entire fp arg to mem if any part should go
2366 (rs6000_arg_partial_bytes): Adjust for above change.
2368 2006-04-11 Roger Sayle <roger@eyesopen.com>
2370 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2371 if it hasn't been initialized by dwarf2out_init.
2373 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2375 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2376 symbolic constants in branch patterns.
2378 2006-04-11 Roger Sayle <roger@eyesopen.com>
2380 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2382 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2384 PR rtl-optimization/27073
2385 * gcse.c (try_replace_reg): Revert last change. Continue to search
2386 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2389 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2391 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2392 aggregate types other than record and union types.
2393 (function_arg): Likewise.
2394 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2396 (function_value): In 64-bit mode, return objects that require it
2399 2006-04-11 Roger Sayle <roger@eyesopen.com>
2401 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2403 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2405 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2407 2006-04-03 Jeff Law <law@redhat.com>
2410 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2411 alias information too.
2413 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2415 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2417 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2420 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2421 (premark_used_types_helper): New.
2422 (premark_used_types): New.
2423 (gen_subprogram_die): Call premark_used_types.
2424 (prune_unused_types_walk): Do not prune perennial dies.
2425 * function.c (used_types_insert): New.
2426 * function.h (struct function): Add used_types_hash field.
2427 (used_types_insert): Add prototype.
2428 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2429 * c-parser.c (c_parser_cast_expression): Save casted types in used
2432 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2435 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2436 rs6000_explicit_options.float_gprs.
2438 2006-04-10 Roger Sayle <roger@eyesopen.com>
2440 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2441 from ix86_expand_vector_init_low_nonzero. Take an additional
2442 one_var argument indicating which element is non-zero. Support
2443 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2444 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2445 with one_var instead of ix86_expand_vector_init_low_nonzero.
2447 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2449 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2450 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2451 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2452 build/genextract.o): Depend on vecprim.h.
2453 * cfglayout.c, df-problems.c, function.c, genextract.c,
2454 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2455 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2459 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2461 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2462 Declare VECs of this type.
2463 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2464 (remove_children): Delete.
2465 (add_dwarf_attr): Use VEC routines.
2466 (add_AT_flag): Update for changes to add_dwarf_attr.
2467 (add_AT_int): Likewise.
2468 (add_AT_unsigned): Likewise.
2469 (add_AT_long_long): Likewise.
2470 (add_AT_vec): Likewise.
2471 (add_AT_string): Likewise.
2472 (add_AT_die_ref): Likewise.
2473 (add_AT_fde_ref): Likewise.
2474 (add_AT_loc): Likewise.
2475 (add_AT_loc_list): Likewise.
2476 (add_AT_addr): Likewise.
2477 (add_AT_lbl_id): Likewise.
2478 (add_AT_lineptr): Likewise.
2479 (add_AT_macptr): Likewise.
2480 (add_AT_offset): Likewise.
2481 (add_AT_range_list): Likewise.
2482 (get_AT): Use VEC_iterate.
2483 (remove_AT): Use VEC_ordered_remove.
2484 (free_die): Fold remove_children into here; have it use VEC_iterate.
2485 (print_die): Use VEC_iterate on attrs.
2486 (reverse_die_lists): Don't reverse attr lists.
2487 (die_checksum): Use VEC_iterate on attrs.
2488 (same_die_p): Likewise.
2489 (output_location_lists): Likewise.
2490 (build_abbrev_table): Likewise.
2491 (size_of_die): Likewise.
2492 (unmark_all_dies): Likewise.
2493 (output_abbrev_section): Likewise.
2494 (output_die): Likewise.
2495 (prune_unused_types_walk_attribs): Likewise.
2497 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2499 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2501 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2504 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2506 2006-04-09 Roger Sayle <roger@eyesopen.com>
2508 * expr.c (store_constructor): Don't bother clearing target if
2509 we're about to assign a vector to it using vec_init_optab.
2511 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2513 * tree-ssa-alias.c (lhs_may_store_to): New function.
2514 (recalculate_used_alone): Handle LHS of calls.
2516 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2520 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2521 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2522 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2523 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2524 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2525 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2526 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2527 stubs. Add ".align 8" directives before all ".dword" directives.
2528 (GTHREAD_USE_WEAK): Revise comment.
2529 (TARGET_ATTRIBUTE_WEAK): Define.
2530 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2531 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2532 * stublib.c: New file.
2537 * pa.md (cbranch patterns): Revise arguments used in calls to
2538 output_cbranch, output_bb and output_bvd. Add long branch length
2540 (fbranch patterns): Handle long branches.
2541 (jump): Revise length check. Revise arguments for output_lbranch call.
2542 Add long branch length attributes.
2543 (decrement_and_branch_until_zero): Add long branch length attributes.
2544 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2545 Likewise. Revise arguments for output_parallel_addb and
2546 output_parallel_movb calls.
2547 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2548 output_parallel_movb and output_parallel_addb): Update prototypes.
2549 * pa.c (output_cbranch): Revise arguments. Correct handling of
2550 nullification in long branches.
2551 (output_lbranch): Add new argument to control extraction of delay
2553 (output_bb): Handle long branches.
2554 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2555 output_parallel_addb): Likewise.
2557 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2559 PR rtl-optimization/27073
2560 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2563 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2565 * tree.h (tree_memory_tag): Add old_used_alone.
2566 (SMT_OLD_USED_ALONE): New macro.
2567 * tree-ssa-alias.c (recalculate_used_alone): Stop
2568 marking things for renaming unnecessarily.
2570 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2572 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2573 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2574 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2575 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2576 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2577 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2578 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2579 spelling convensions.
2580 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2581 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2582 typos. Follow spelling conventions.
2584 2006-04-07 DJ Delorie <dj@redhat.com>
2586 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2587 passed on the stack.
2588 (m32c_init_cumulative_args): When a function returns a structure,
2589 always pass the pointer to that return area on the stack.
2590 (m32c_function_arg_advance): Don't increment the parameter number
2591 if we're processing the returned structure pointer.
2592 (pushm_info): Reverse order of registers.
2594 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2596 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2597 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2598 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2599 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2601 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2602 chrec_fold_multiply): Same.
2603 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2604 force_expr_to_var_cost): Same.
2605 * tree-mudflap.c (mf_xform_derefs_1): Same.
2606 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2608 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2610 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2611 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2614 2006-04-07 Jan Hubicka <jh@suse.cz>
2616 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2618 2006-04-07 Richard Guenther <rguenther@suse.de>
2620 PR tree-optimization/26135
2621 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2622 loads for store copy-prop.
2623 (copy_prop_visit_stmt): Likewise.
2625 2006-04-05 Robert Millan <robertmh@gnu.org>
2627 * config/i386/linux.h: Add a comment to mark macros that are
2628 being overriden in config/k*bsd-gnu.h.
2629 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2631 * config/knetbsd-gnu.h: Ditto.
2633 2006-04-06 Jan Hubicka <jh@suse.cz>
2637 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2640 2006-04-06 Mike Stump <mrs@apple.com>
2642 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2643 for HAVE_nonlocal_goto to be consistent.
2644 (expand_builtin_nonlocal_goto): Likewise.
2645 (expand_builtin_strcmp): Use #ifdef instead of #if
2646 for HAVE_cmpstrnsi to be consistent.
2648 2006-04-05 DJ Delorie <dj@redhat.com>
2650 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2653 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2655 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2656 got-relative addressing for anything but SImode.
2658 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2659 even if the calling function doesn't modify them.
2661 2006-04-05 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/26919
2664 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2665 to cgraph_estimate_size_after_inlining.
2667 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2669 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2671 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2673 PR tree-optimization/26996
2674 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2675 VECTOR_TYPE variables.
2677 2006-04-05 Richard Guenther <rguenther@suse.de>
2679 PR tree-optimization/26763
2680 * fold-const.c (fold_comparison): Move folding of
2681 PTR + CST CMP PTR + CST ...
2682 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2684 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2686 * doc/install.texi (Prerequisites): Refine some wording on
2687 bootstrapping and ksh.
2688 Move the version numbers of DejaGnu here from the testing section
2689 and fix casing of names.
2690 Fix markup and clarify wording for autogen requirements.
2691 Refer to GCJ instead of just java.
2692 Refer to SVN instead of CVS.
2693 Describe diffutils as useful instead of necessary.
2694 (Downloading the source): Refer to SVN instead of CVS.
2695 Adjust a link to our web site accordingly.
2696 (Configuration): Fix casing of Bison.
2697 (Building): Refer to SVN instead of CVS.
2698 Fix a sentence on the use of Bison and remove duplicate (and
2699 incorrect) version number of Bison requirement.
2700 Remove one redundant list of packages needed for building.
2701 (Specific): Avoid reference to CVS.
2703 2006-04-04 Eric Christopher <echristo@apple.com>
2705 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2706 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2707 (rs6000_handle_struct_attribute): New.
2708 (rs6000_ms_bitfield_layout_p): Ditto.
2710 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2712 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2713 NULL for dso parameter to atexit_common.
2715 2006-04-04 Eric Christopher <echristo@apple.com>
2717 * config/i386/i386.c (machopic_output_stub): Output \t
2718 between instructions and operands.
2720 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2722 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2723 satisfies_constraint_[IL] to explicit tests on value.
2725 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2727 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2728 set_nb_iterations_in_loop): Use build_int_cst instead of
2730 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2731 build_int_cst instead of convert.
2733 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2735 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2736 new value 2 for incoming.
2737 * function.c (expand_function_start): Call struct_value_rtx
2739 * config/sparc/sparc.md: Comment updated_return.
2740 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2741 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2742 struct return if sparc_std_struct_return and incoming is 2.
2743 (print_operand): Do not adjust return if
2744 sparc_std_struct_return.
2746 2006-04-04 Roger Sayle <roger@eyesopen.com>
2748 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2749 convert in the middle-end.
2750 * expr.c (store_expr, store_constructor, get_inner_reference,
2751 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2753 * tree.c (build_range_type): Likewise.
2755 2006-04-04 Tom Tromey <tromey@redhat.com>
2757 * doc/install.texi (Prerequisites): Mention jar.
2759 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2761 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2764 2006-04-04 Matthias Klose <doko@debian.org>
2766 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2767 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2770 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2772 * doc/extend.texi (Function Attributes): Rewrite visibility
2773 attribute documentation.
2774 * doc/invoke.texi (C++ Dialect Options): Rewrite
2775 -fvisibility-inlines-hidden documentation to describe something
2776 entirely different, although in practise compatible.
2777 (Code Gen Options): Warn about system headers in -fvisibility=
2780 * doc/extend.texi (Other Builtins): Document that
2781 __builtin_nan is a compile-time constant only when its argument
2784 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2786 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2787 trying to remove TRUNCATE check if all bits outside the new mode
2788 are identical to the sign bit.
2790 2006-04-03 Jeff Law <law@redhat.com>
2792 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2793 and operand scanning in some common cases.
2795 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2796 Dale Johannesen <dalej@apple.com>
2799 * regclass.c (struct reg_pref): Update documentation.
2800 (regclass): Set prefclass to NO_REGS if memory is the best option.
2801 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2802 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2803 into account. For non-registers, equate an empty preferred
2804 reload class to a `!' in the constraint; move the if clause to
2805 do so after those that reject the insn.
2806 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2808 (find_dummy_reload): Likewise.
2809 * doc/tm.texi (Register Classes): Document what it means
2810 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2811 * config/i386/i386.c (ix86_preferred_reload_class): Force
2812 using SSE registers (and return NO_REGS for floating-point
2813 constants) if math is done with SSE.
2814 (ix86_preferred_output_reload_class): New.
2815 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2816 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2817 * config/i386/i386.md: Remove # register preferences.
2819 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2822 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2823 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2824 the type of nb_iter.
2825 (instantiate_parameters_1): Convert the operands before calling
2826 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2827 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2829 2006-04-02 Roger Sayle <roger@eyesopen.com>
2831 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2832 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2834 * dojump.c (do_jump): Likewise.
2835 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2836 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2837 gimplify_boolean_expr): Likewise.
2838 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2839 * varasm.c (array_size_for_constructor): Likewise.
2840 * tree-object-size.c (compute_object_offset): Likewise.
2842 2006-04-02 Roger Sayle <roger@eyesopen.com>
2845 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2846 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2848 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2850 PR tree-optimization/26939
2851 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2855 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2856 at_stmt. Convert the type of operands before calling
2857 build_polynomial_chrec.
2858 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2860 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2861 (instantiate_parameters_1): Convert the type of operands before calling
2862 build_polynomial_chrec.
2863 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2864 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2865 reset_evolution_in_loop): Insert asserts to check the types of the
2867 (chrec_type): Moved...
2868 (eq_evolutions_p): Use operand_equal_p.
2869 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2870 the types of the operands.
2871 (chrec_type): ...here.
2872 * tree-data-ref.c (create_data_ref): Convert the operands before
2873 calling chrec_replace_initial_condition.
2874 (same_access_functions, analyze_subscript_affine_affine,
2875 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2876 (compute_subscript_distance, analyze_ziv_subscript,
2877 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2878 analyze_miv_subscript): Convert the operands before calling
2879 chrec_fold_minus or chrec_fold_plus.
2881 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2883 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2884 the dependence_relations vector.
2885 (compute_data_dependences_for_loop): Adjust call to
2886 compute_all_dependences.
2888 2006-04-01 Roger Sayle <roger@eyesopen.com>
2889 Richard Henderson <rth@redhat.com>
2891 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2892 gimple_boolify on the condition before calling gimplify_expr.
2894 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2896 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2897 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2898 the frame size. Update to use the new macros.
2899 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2900 * config/xtensa/ieee754-df.S: Likewise.
2902 2006-03-31 Richard Henderson <rth@redhat.com>
2904 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2905 (make_edges): ... here. Control fallthru creation with a local
2906 variable. Do not play with fake edges.
2907 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2908 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2911 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2913 * dwarf2.h (DW64_CIE_ID): Define.
2914 * dwarf2out.c (DWARF_CIE_ID): Define.
2915 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2916 length header. Use DWARF_CIE_ID.
2917 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2918 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2920 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2922 * config/sh/linux-atomic.asm: New file.
2923 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2925 2006-03-31 DJ Delorie <dj@redhat.com>
2927 * config/m32c/cond.md: Set condition flags properly throughout.
2928 * config/m32c/minmax.md: Likewise.
2929 * config/m32c/prologue.md: Likewise.
2930 * config/m32c/bitops.md: Likewise.
2931 * config/m32c/muldiv.md: Likewise.
2932 * config/m32c/mov.md: Likewise.
2933 * config/m32c/addsub.md: Likewise.
2934 * config/m32c/m32c.md: Likewise.
2935 * config/m32c/jump.md: Likewise.
2936 * config/m32c/shift.md: Likewise.
2938 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2939 conditionally output the pattern for this.
2940 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2941 (m32c_compare_redundant): New.
2942 (m32c_output_compare): New.
2943 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2945 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2946 dest, not src. Allow other 4-byte modes.
2948 2006-03-30 Denis Chertykov <denisc@overta.ru>
2950 * doc/md.texi: Refer to avr/constraints.md instead of
2953 2006-03-30 Roger Sayle <roger@eyesopen.com>
2955 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2956 signed vs. unsigned comparison failures on some hosts.
2958 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2961 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2962 change to FLOAT_REGS.
2964 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2965 (rs6000_override_options): Use it.
2966 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2967 only for -mabi=spe/no-spe and -mabi=altivec.
2969 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2971 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2974 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2976 * Makefile.in: Rename docdir to gcc_docdir.
2978 2006-03-30 Roger Sayle <roger@eyesopen.com>
2981 * expr.c (emit_group_store): Optimize group stores into a pseudo
2982 register by using a paradoxical subreg to initialize the destination
2983 if the first or last member of the group specifies a "low part".
2985 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2988 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2989 * target.h (struct gcc_target.speculate_insn): Change type of the
2990 second parameter to 'int'.
2991 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2992 the second operand of the DEPS_LIST.
2993 (copy_DEPS_LIST_list): Update reference to the second operand of the
2995 * rtl.h (alloc_DEPS_LIST): Update signature.
2996 * sched-int.h (ds_t): Change typedef to 'int'.
2997 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2999 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3001 * haifa-sched.c (try_ready): Change condition to restore
3002 non-speculative pattern of the instruction.
3003 (process_insn_depend_be_in_spec): Code to keep probability of the
3004 speculative dependence non-decreasing.
3006 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3008 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3009 (single_move_for_movmem): ... this. Also change all uses.
3010 (bfin_expand_strmov): Renamed to...
3011 (bfin_expand_movmem): ... this. Also change all uses.
3012 * config/bfin/bfin.md (movstrsi): Renamed to...
3013 (movstrsi): ...this.
3015 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3017 PR tree-optimization/26830
3019 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3020 (copy_prop_visit_stmt): Remove write-only variable ann.
3021 (init_copy_prop): Check variable loop depth here. Do not simulate
3022 memory-tag and virtual operand PHIs except for store copy prop.
3024 2006-03-30 Richard Guenther <rguenther@suse.de>
3026 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3027 variants with double arguments.
3029 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3031 * genpreds.c (write_tm_constrs_h): Delete variable p.
3032 * genconditions.c (write_header): Add tm-constrs.h to included
3034 * genpeep.c (main): Add toplev.h to included headers.
3035 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3036 (build/genpeep.o): Add toplev.h dependency.
3037 * config/rs6000/constraints.md: Add "W" constraint.
3039 2006-03-29 Roger Sayle <roger@eyesopen.com>
3041 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3042 sizes by correctly testing whether the size fits a host integer.
3043 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3044 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3045 SImode range for the default sizetype and bitsizetype.
3047 2006-03-29 Roger Sayle <roger@eyesopen.com>
3049 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3050 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3051 quickly if the argument is already of the correct type.
3052 Call fold_build1 instead of build1. Tidy up blank lines.
3054 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3056 * genemit.c (main): Add tm-constrs.h to included headers.
3057 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3058 * genpeep.c (main): Add tm-constrs.h to included headers.
3059 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3060 (write_tm_constrs_h): this and write complete file.
3061 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3062 (write_insn_preds_c): Add tm-constrs.h to included headers.
3063 (gen_constrs): New variable.
3064 (parse_option): Parse "-c".
3065 (main): Invoke write_tm_constrs_h.
3066 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3067 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3068 (object_out_file): Add tm-constrs.h dependency.
3069 (insn-emit.o): Same.
3070 (insn-output.o): Same.
3071 (insn-peep.o): Same.
3072 (insn-preds.o): Same.
3073 (insn-recog.o): Same.
3074 (tm-constsr.h): New target.
3075 (s-constrs-h): New target.
3077 * config/rs6000/constraints.md: New file.
3078 * config/rs6000/rs6000.c: Include tm-constrs.h.
3079 (num_insn_constant_wide): Convert to satisfies_constraint.
3080 (rs6000_rtx_costs): Convert to satisfies_constraint.
3081 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3082 (CONST_OK_FOR_LETTER_P): Delete.
3083 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3084 (EXTRA_CONSTRAINT): Delete.
3085 (EXTRA_MEMORY_CONSTRAINT): Delete.
3086 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3087 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3088 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3089 satisfies_constraint.
3091 * config/i386/i386.c: Include tm-constrs.h.
3093 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3095 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3096 * tree-data-ref.c (find_data_references_in_loop,
3097 compute_data_dependences_for_loop): Use pointers to VEC.
3098 (analyze_all_data_dependences): Adjust calls.
3099 * tree-data-ref.h (find_data_references_in_loop,
3100 compute_data_dependences_for_loop): Adjust declarations.
3101 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3102 compute_data_dependences_for_loop.
3104 2006-03-29 Paul Brook <paul@codesourcery.com>
3106 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3109 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3111 PR tree-optimization/26859
3112 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3114 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3115 for the step after fold_convert.
3117 2006-03-29 Paul Brook <paul@codesourcery.com>
3119 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3120 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3122 2006-03-29 Paul Brook <paul@codesourcery.com>
3125 * targhooks.c (default_narrow_bitfield): New fuction.
3126 * targhooks.h (default_narrow_bitfield): add prototype.
3127 * target.h (gcc_target): Add narrow_volatile_bitfield.
3128 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3129 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3130 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3131 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3133 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3135 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3137 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3138 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3139 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3140 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3141 (s390_function_arg_float): Allow SDmode and DDmode values to be
3142 passed in floating point registers.
3143 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3144 check with SCALAR_FLOAT_MODE_P.
3145 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3147 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3149 PR tree-optimization/25985
3150 * tree-ssa-loop-niter.c (number_of_iterations_le,
3151 number_of_iterations_ne): Make comments more precise.
3152 (number_of_iterations_cond): Add only_exit argument. Use the
3153 fact that signed variables do not overflow only when only_exit
3155 (loop_only_exit_p): New.
3156 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3157 number_of_iterations_cond.
3159 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3161 PR tree-optimization/26643
3162 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3165 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3167 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3168 (divsi3_i4_int): Likewise.
3170 2006-03-28 Roger Sayle <roger@eyesopen.com>
3172 * expr.c (emit_group_store): Only create a new pseudo reg if the
3173 quantity it needs to hold isn't already a suitable pseudo.
3175 2006-03-28 Jeff Law <law@redhat.com>
3177 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3178 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3180 2006-03-28 Roger Sayle <roger@eyesopen.com>
3182 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3183 the equivalent ~X & Y, and the symmetry related transformations.
3184 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3185 ~X & Y, and symmetry related transforms.
3187 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3189 Revert my 2006-03-27 patches.
3191 2006-03-28 Roger Sayle <roger@eyesopen.com>
3193 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3194 ~(T1)X, when T1 and T2 are integer types of the same precision
3195 and (T2)X isn't an extension.
3197 2006-03-28 Jeff Law <law@redhat.com>
3199 PR tree-optimization/26796
3200 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3201 need EH edge cleanups rather than purging them immediately.
3202 (eliminate_degenerate_phis): Handle queued EH cleanups.
3204 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3206 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3209 2006-03-27 Roger Sayle <roger@eyesopen.com>
3212 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3213 cast BIT_NOT_EXPR operand to the correct type.
3215 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3217 * tree-loop-linear.c: Don't include varray.h.
3218 (gather_interchange_stats, try_interchange_loops,
3219 linear_transform_loops): Use VEC instead of VARRAY.
3220 * lambda-mat.c: Don't include varray.h.
3221 * tree-chrec.c: Same.
3222 * lambda-trans.c: Same.
3223 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3224 VEC instead of VARRAY.
3225 * tree-vectorizer.h: Idem.
3226 * tree-data-ref.c (dump_data_references,
3227 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3228 initialize_data_dependence_relation, finalize_ddr_dependent,
3229 compute_all_dependences, find_data_references_in_loop,
3230 compute_data_dependences_for_loop, analyze_all_data_dependences,
3231 free_dependence_relation, free_dependence_relations,
3232 free_data_refs): Idem.
3233 * tree-data-ref.h (data_reference_p, subscript_p): New.
3234 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3235 VEC instead of VARRAY.
3236 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3237 (find_data_references_in_loop, compute_data_dependences_for_loop,
3238 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3239 dump_data_dependence_relations, free_dependence_relations,
3240 free_data_refs): Adjust declaration.
3241 (lambda_transform_legal_p): Move declaration here...
3242 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3243 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3244 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3245 vect_analyze_data_refs): Use VEC instead of VARRAY.
3246 * lambda.h (lambda_transform_legal_p): ...from here.
3247 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3248 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3249 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3250 tree-chrec.o): Don't depend on VARRAY_H.
3252 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3254 * rtl.def (Copyright): Update date.
3255 (DEPS_LIST): Change type of the second operand to 'int'.
3256 * target.h (Copyright): Update date.
3257 (struct gcc_target.speculate_insn): Change type of the second parameter
3259 * lists.c (Copyright): Update date.
3260 (alloc_DEPS_LIST): Change signature. Update reference to the second
3261 operand of the DEPS_LIST.
3262 (copy_DEPS_LIST_list): Update reference to the second operand of the
3264 * rtl.h (Copyright): Update date.
3265 (alloc_DEPS_LIST): Update signature.
3266 * sched-int.h (Copyright): Update date.
3267 (ds_t): Change typedef to 'int'.
3268 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3270 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3272 * haifa-sched.c (Copyright): Update date.
3273 (try_ready): Change condition to restore non-speculative pattern
3275 (process_insn_depend_be_in_spec): Code to keep probability of the
3276 speculative dependence non-decreasing.
3278 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3280 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3281 shut up the compiler.
3283 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3285 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3286 to use lib prefix for target.
3287 ($(T)libic_invalidate_array_4-200.a): Likewise.
3288 ($(T)libic_invalidate_array_4a.a): Likewise.
3290 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3291 J"orn Rennecke <joern.rennecke@st.com>
3293 * superh.opt: New file.
3294 * sh.c (boardtype, osruntime): Remove.
3295 * superh.h (SUBTARGET_OPTIONS): Remove.
3296 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3298 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3299 arguments with ^ and/or [].
3301 * config.gcc (sh-*-*): Add quoting to account for quirk of
3303 Replace == with = in enable_incomplete_targets test.
3305 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3306 with MASK_LITTLE_ENDIAN.
3308 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3309 * config/sh/sh.opt: Added to some comments.
3310 * config/sh/superh.h: Removed some chaff.
3312 * config/sh/sh.opt: Add m4-[1234]00* options.
3313 * config/sh/sh.c (sh_handle_option): Likewise.
3314 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3315 (ic_invalidate_array_4-100.o): New rule.
3316 ($(T)libic_invalidate_array_4-100.a): Likewise.
3317 (ic_invalidate_array_4-200.o): Likewise.
3318 ($(T)libic_invalidate_array_4-200.a): Likewise.
3319 (ic_invalidate_array_4a.o): Likewise.
3320 ($(T)libic_invalidate_array_4a.a): Likewise.
3321 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3322 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3324 * config/sh/crt1.asm: Merged in profiling code.
3325 * config/sh/superh.h (STARTFILE_SPEC): Override.
3326 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3327 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3328 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3330 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3331 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3332 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3334 * sh.opt (mpretend-cmove): New option.
3335 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3336 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3337 (movsicc): Add TARGET_PRETEND_CMOVE code.
3339 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3341 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3342 s390_class_max_nregs): New function prototypes.
3343 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3344 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3345 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3346 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3348 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3350 * dwarf2out.c (add_location_or_const_value_attribute): Call
3351 tree_add_const_value_attribute if nothing else works.
3352 (reference_to_unused): New.
3353 (rtl_for_decl_init): Use reference_to_unused to decide whether
3354 to output an initializer.
3356 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3359 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3360 peephole removing spe frob_di_df_2.
3362 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3364 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3365 (subscript_dependence_tester_1): Declared.
3366 (print_dir_vectors, print_dist_vectors): New.
3367 (debug_data_dependence_relation): New.
3368 (dump_data_dependence_relation): Print more details.
3369 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3370 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3371 (save_dist_v, save_dir_v, add_outer_distances,
3372 build_classic_dist_vector_1): New.
3373 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3374 Don't test for lambda_vector_lexico_pos.
3375 (same_access_functions, add_multivariate_self_dist,
3376 add_other_self_distances, dir_from_dist): New.
3377 (build_classic_dir_vector): Replace implementation almost identical to
3378 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3380 (subscript_dependence_tester_1): New.
3381 (subscript_dependence_tester): Handle the lexicographically negative
3382 distance vectors by recomputing the dependence relation.
3383 (compute_affine_dependence): Remove parameter loop_nest_depth.
3384 (compute_self_dependence): Don't call compute_subscript_distance.
3385 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3386 Add a parameter for the loop_nest.
3387 (find_loop_nest_1, find_loop_nest): New.
3388 (compute_data_dependences_for_loop): Compute the loop nest, and give
3389 up if the nest is not well formed.
3390 * tree-data-ref.h (loop_p): New.
3391 (struct data_dependence_relation): Replace size_vect field with
3392 loop_nest, a vec of loops.
3393 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3394 (DDR_LOOP_NEST): New.
3395 (print_dir_vectors, print_dist_vectors,
3396 debug_data_dependence_relation): Declared.
3397 (index_in_loop_nest): New.
3398 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3399 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3402 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3404 * simplify-rtx.c (simplify_relational_operation): Call
3405 simplify_relational_operation_1 even if mode is VOIDmode.
3407 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3409 PR tree-optimization/26804
3410 * tree.h (DECL_CALL_CLOBBERED): New macro.
3411 (tree_decl_common): Add call_clobbered_flag.
3412 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3413 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3414 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3415 (mark_non_addressable): Ditto.
3416 * tree-ssa.c (verify_call_clobbered): New function.
3417 (verify_alias_info): Use it.
3418 * tree-pass.h (pass_reset_cc_flags): New prototype.
3419 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3420 (reset_cc_flags): New function.
3421 * passes.c (init_optimization_passes): Call reset_cc_flags after
3422 initializing referenced_vars.
3424 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3425 Roger Sayle <roger@eyesopen.com>
3428 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3429 to 1.0 for non-real operands. Implement A / A optimization for
3432 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3434 * config/i386/i386.c (size_cost): Correct the comment for
3435 cost of storing fp registers.
3436 (i386_cost): Likewise.
3437 (i486_cost): Likewise.
3438 (pentium_cost): Likewise.
3439 (pentiumpro_cost): Likewise.
3440 (k6_cost): Likewise.
3441 (athlon_cost): Likewise.
3442 (k8_cost): Likewise.
3443 (pentium4_cost): Likewise.
3444 (nocona_cost): Likewise.
3445 (generic64_cost): Likewise.
3446 (generic32_cost): Likewise.
3448 2006-03-24 Denis Chertykov <denisc@overta.ru>
3450 * config/avr/avr-protos.h (extra_constraint): Delete.
3451 (extra_constraint_Q): New declaration.
3452 * config/avr/constraints.md: New file.
3453 * config/avr/avr.md: Include it.
3454 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3455 (TMP_REGNO, ZERO_REGNO): Likewise.
3456 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3457 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3458 (extra_constraint): Delete.
3459 (extra_constraint_Q): Test for memory constraint 'Q'.
3460 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3461 (REG_CLASS_FROM_LETTER): Delete.
3462 (CONST_OK_FOR_LETTER_P): Delete.
3463 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3464 (EXTRA_CONSTRAINT): Delete.
3465 (TMP_REGNO): Delete.
3466 (ZERO_REGNO): Delete.
3468 2006-03-24 Jeff Law <law@redhat.com>
3470 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3471 directly. Call mark_new_vars_to_rename slightly earlier.
3473 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3475 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3477 (gen_compile_unit_die): Use new language types for Objective-C and
3479 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3480 DW_LANG_C_plus_plus.
3483 * config/t-darwin (crt3.o): Work around bug 26840.
3484 * config/darwin-crt3.c: Rewrite.
3485 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3487 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3489 * doc/invoke.texi: Document -femit-class-debug-always
3490 * common.opt: Add -femit-class-debug-always.
3492 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3494 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3495 index and base register.
3496 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3497 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3498 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3499 REGNO_OK_FOR_INDEX_P.
3500 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3502 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3503 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3504 REG_OK_FOR_BASE_P): Definitions removed.
3506 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3509 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3510 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3511 set yet or weren't marked as local yet.
3513 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3515 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3518 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3520 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3521 (rs6000_legitimate_small_data_p): Delete.
3522 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3523 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3524 and make static. Add forward declaration. Update uses.
3525 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3526 of offsettable_memref_p.
3527 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3528 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3530 2006-03-24 Jeff Law <law@redhat.com>
3532 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3533 around bug in immediate-use iterator.
3535 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3538 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3539 or __LITTLE_ENDIAN__.
3541 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3543 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3544 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3545 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3546 * config/sh/sh.opt (mdiv=): Amend description.
3547 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3548 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3549 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3550 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3551 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3552 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3553 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3554 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3555 TARGET_DIVIDE_CALL_FP.
3557 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3559 * haifa-sched.c (choose_ready): Fix type of the local variable.
3560 Move local variables. Add comment.
3561 (check_reg_live): Change signature. Make callable from debugger.
3562 * sched-int.h (check_reg_live): Update signature.
3563 * sched-ebb.c (check_reg_live): Update parameters.
3564 * sched-rgn.c (check_reg_live): Ditto.
3565 (region_head_or_leaf_p): Check pointer before dereferencing.
3566 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3567 before reload on optimization levels below 1.
3569 2006-03-23 Richard Henderson <rth@redhat.com>
3571 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3575 * config/alpha/predicates.md (local_symbolic_operand): Reject
3578 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3581 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3582 expressions which have overflowed constants.
3584 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3586 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3588 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3590 * cfgloopmanip.c (create_loop_notes): Removed.
3591 * final.c (final_scan_insn): Do not handle loop notes.
3592 * jump.c (squeeze_notes): Ditto.
3593 * cfglayout.c (skip_insns_after_block,
3594 duplicate_insn_chain): Ditto.
3595 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3597 * cfgloop.h (create_loop_notes): Declaration removed.
3599 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3601 * varasm.c (output_constant_pool): Restore fnname and fndecl
3603 (assemble_start_function): Adjust call accordingly.
3604 (assemble_end_function): Likewise.
3606 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3609 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3612 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3614 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3617 * system.h (ICE_EXIT_CODE): New macro.
3618 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3619 (diagnostic_action_after_output): Likewise.
3620 * gcc.c (fatal_ice): New function.
3621 (execute): Use it instead of fatal.
3622 (fancy_abort): Likewise.
3623 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3625 2006-03-22 Jeff Law <law@redhat.com>
3627 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3628 iv_analyze_result returning false.
3630 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3632 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3634 2006-03-22 Richard Henderson <rth@redhat.com>
3637 * except.c (duplicate_eh_regions_0): New.
3638 (duplicate_eh_region_1): Duplicate the children of the node as
3639 well as the node itself. Link them up properly.
3640 (duplicate_eh_region_2): Merge into ...
3641 (duplicate_eh_regions): ... here. Take copy_region argument, and
3642 copy only a sub-tree if asked. Simplify copying and fixup.
3643 (eh_region_outer_p): New.
3644 * except.h (duplicate_eh_regions): Update decl.
3645 (eh_region_outer_p): Declare.
3646 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3647 (lower_omp_master): Likewise.
3648 (lower_omp_ordered): Likewise.
3649 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3650 (move_stmt_r): Use it to remap labels. Handle recursion vs
3651 remap_decls_p properly.
3652 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3653 (find_outermost_region_in_block): New.
3654 (new_label_mapper): New.
3655 (move_sese_region_to_fn): Copy eh information to the new function
3657 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3659 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3662 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3664 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3665 into shared libraries.
3667 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3669 * doc/md.texi: Refer to i386/constraints.md instead of
3671 * config/i386/constraints.md: New file, extracted from...
3672 * config/i386/predicates.md: ...here.
3673 * config/i386/i386.md: Include constraints.md.
3675 2006-03-21 Jason Merrill <jason@redhat.com>
3677 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3680 * expr.c (init_block_move_fn): Force default visibility.
3681 (init_block_clear_fn): Likewise.
3682 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3683 * targhooks.c (default_external_stack_protect_fail): Likewise.
3685 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3687 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3688 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3689 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3690 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3691 (loadgp): Use mips_current_loadgp_style.
3692 (loadgp_noshared): New pattern.
3693 (sibcall_internal): Use MIPS_CALL.
3694 (sibcall_value_internal): Likewise.
3695 (sibcall_value_multiple_internal): Likewise.
3696 (call_internal): Likewise.
3697 (call_value_internal): Likewise.
3698 (call_value_multiple_internal): Likewise.
3699 (call_split): Use MIPS_CALL and add an 'S' constraint.
3700 (call_value_split): Likewise.
3701 (call_value_multiple_split): Likewise.
3702 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3703 (-mshared): New option.
3704 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3705 (mips_current_loadgp_style): Declare.
3706 * config/mips/mips.c (mips_classify_symbol): Avoid using
3707 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3708 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3709 TARGET_ABSOLUTE_ABICALLS.
3710 (override_options): Adjust comments. Improve the warning that is
3711 issued when -mabicalls and -G are used together.
3712 (mips_file_start): Remove comment.
3713 (mips_current_loadgp_style): New function.
3714 (mips_gnu_local_gp): New variable.
3715 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3717 (mips_output_function_prologue): Use mips_current_laodgp_style.
3718 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3719 the cprestore instruction.
3720 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3721 live for TARGET_ABSOLUTE_ABICALLS.
3722 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3723 (ASM_SPEC): Pass down -mshared and -mno-shared.
3724 (MIPS_CALL): New macro.
3725 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3727 * doc/invoke.texi (-mabicalls): Update documentation.
3728 (-mshared): Document.
3730 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3732 * config/ia64/unwind-hpux.c: New file.
3733 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3735 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3738 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3740 2006-03-21 Jeff Law <law@redhat.com>
3742 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3743 type conversions of a VR_VARYING source to a wider type.
3745 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3747 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3748 tm_file on Solaris 10 and later.
3749 (sparc64-*-solaris2*): Likewise.
3750 (sparc-*-solaris2*): Likewise.
3751 * config/sol26.h: Rename to config/sol2-6.h.
3752 * config/sol2-10.h: New file.
3754 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3757 * tree-ssa-pre.c (create_component_ref_by_pieces):
3760 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3763 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3764 return it immediately.
3766 2006-03-21 Michael Matz <matz@suse.de>
3768 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3770 (remove_arc, add_arc): Update num_out_arcs member.
3771 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3773 (cache_presence): New function.
3774 (compare_states_for_equiv): New function.
3775 (state_is_differed): Don't take number of outargs, adjust callers.
3776 Use new invariant for speeding up.
3777 (init_equiv_class): Create initial classes based on sorted
3779 (partition_equiv_class): Don't track out_arcs_num.
3780 (evaluate_equiv_classes): Call cache_presence on all states and
3783 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3785 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3786 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3787 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3788 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3790 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3791 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3792 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3793 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3794 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3796 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3797 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3798 (REGNO_REG_CLASS): ARGP is in PREGS.
3799 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3801 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3802 to deal with those addresses.
3803 * addresses.h: New file.
3804 * caller-save.c: Include "addresses.h".
3805 (init_caller_save): Use new base_reg_class function.
3806 * rtl-factoring.c: Include "addresses.h".
3807 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3808 * recog.c: Include "addresses.h".
3809 (preprocess_constraints): Use new base_reg_class function.
3810 * regrename.c: Include "addresses.h".
3811 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3812 functions. Keep track of a new var INDEX_CODE to compute valid
3814 (replace_oldest_value_addr): Likewise.
3815 (replace_oldest_value_mem): Use base_reg_class.
3816 * reload.c: Include "addresses.h".
3817 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3818 (find_reloads): Use new base_reg_class function.
3819 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3820 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3821 all callers and prototype changed.
3822 * reload1.c: Include "addresses.h".
3823 (maybe_fix_stack_asms): Use base_reg_class.
3824 * regclass.c: Include "addresses.h".
3825 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3826 (init_reg_autoinc): Use new base_reg_class function.
3827 (record_reg_classes): Likewise.
3828 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3829 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3830 Use new args to compute necessary class.
3832 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3833 regrename.o, rtl-factoring.o): Update dependencies.
3834 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3835 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3836 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3837 REG_OK_FOR_INDEX_P): Delete documentation.
3839 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3841 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3842 from V7 to V9 for Solaris 7 and above.
3844 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3846 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3847 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3848 argument pointers may not alias any other storage.
3849 * common.opt: Define option -fargument-noalias-anything.
3850 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3851 alias semantics is specified by flag_argument_noalias > 2.
3853 2006-03-20 Jeff Law <law@redhat.com>
3855 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3856 (pass_phi_only_cprop): Declare.
3857 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3859 * tree-ssa-dom.c (degenerate_phi_result): New function.
3860 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3861 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3862 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3863 (eliminate_degenerate_phis): Likewise.
3864 (pass_phi_only_cprop): New pass descriptor.
3865 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3866 support code. Callers updated.
3867 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3868 (store_copy_prop): Likewise.
3869 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3871 2006-03-20 Jason Merrill <jason@redhat.com>
3874 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3875 (push_visibility, pop_visibility): Likewise.
3876 * c-pragma.h: Declare them.
3878 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3880 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3882 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3883 parameter and use get_ebb_head_tail.
3884 (sh_md_init_global): Adjust uses of find_regmode_weight.
3886 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3888 * function.h (struct function) <x_tail_recursion_reentry>:
3889 Rename to x_stack_check_probe_note.
3890 (tail_recursion_reentry): Rename to stack_check_probe_note.
3891 * function.c: Replace tail_recursion_reentry with
3892 stack_check_probe_note everywhere.
3893 (expand_function_start): Only emit a note for
3894 stack_check_probe_note with -fstack-protect.
3895 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3897 * emit-rtl.c (remove_unnecessary_notes): Remove.
3898 (pass_remove_unnecessary_notes): Remove.
3899 * rtl.h (remove_unnecessary_notes): Remove prototype.
3900 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3901 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3902 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3904 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3907 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3908 (valid_in_set): Handle ARRAY_REF.
3909 Change "if min_variant or VH" to asserts.
3910 (create_component_ref_by_pieces): Handle ARRAY_REF.
3911 (create_expression_by_pieces): Likewise.
3912 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3914 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3916 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3917 is operand of switch, not str[0].
3919 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3921 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3922 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3924 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3926 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3927 end of insn_extra_address_constraint declaration.
3929 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3931 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3932 (no-sum-in-toc): Same.
3933 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3935 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3936 NO_FP_IN_TOC for -fPIC instead of mask.
3938 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3939 (BOOT_LDFLAGS): Delete.
3941 * config/rs6000/t-aix52: Same.
3943 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3944 (stmsi[345678]_power): New.
3946 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3948 * config/ia64/ia64.opt: Add empty line to end of file.
3950 2006-03-17 Richard Guenther <rguenther@suse.de>
3953 * builtins.c (get_pointer_alignment): For component style references
3954 adjust alignment to the component type alignment. Make sure
3955 to adjust alignment for component access of constants.
3957 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3959 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3962 2006-03-17 Paul Brook <paul@codesourcery.com>
3964 * doc/install.texi: Docuemnt --with-mode.
3965 * config.gcc: Add --with-mode for arm*-*-*.
3966 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3968 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3970 * sh.c (max_labelno_before_reorg): New variable.
3971 (sh_reorg): Initialize it.
3972 (find_barrier): Check max_labelno_before_reorg before using
3973 label_to_alignment. Take length of explicit alignment insns
3974 into account. When seeing a UNSPECV_CONST_END, return it.
3976 * sh.c (fixup_mova): Set mode of affected label to QImode.
3977 (untangle_mova): New function.
3978 (find_barrier): Use it. Check mode of label before decrementing
3980 (sh_reorg): Likewise.
3981 Set mode of all insns back to VOIDmode.
3983 * sh.c (MOVA_LABELREF): New macro.
3984 (mova_p, fixup_mova, sh_reorg): Use it.
3985 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3986 ADDR_DIFF_VEC matches mova.
3988 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3990 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3991 with ATTRIBUTE_UNUSED.
3993 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3995 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3996 pointer, instead of assuming it is possible to derive the
3997 correct args size from a call insn.
3999 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4001 * rtl.h (CONST_INT_P): Define.
4002 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4003 instead of GET_CODE(x) == CONST_INT.
4004 (vax_rtx_costs): Likewise.
4005 (vax_output_int_move): Likewise.
4006 (vax_output_int_add): Likewise.
4007 (legitimate_constant_address_p): Likewise.
4008 (index_term_p): Likewise.
4009 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4010 * config/vax/vax.md (and<mode>3): Likewise.
4011 (ashrsi3): Likewise.
4013 (movstricthi): Likewise.
4014 (movstrictqi): Likewise.
4015 (rotrsi3): Likewise.
4016 (five unnamed insns): Likewise.
4018 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4020 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4021 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4022 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4023 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4024 Pass to ASM_OUTPUT_DWARF_OFFSET.
4025 * dwarf2out.c (debug_frame_section): New.
4026 (output_call_frame_info): Use debug_frame_section. Pass it to
4027 dw2_asm_output_offset.
4028 (output_die): Pass appropriate section to dw2_asm_output_offset.
4029 (output_compilation_unit_header): Likewise.
4030 (output_pubnames): Likewise.
4031 (output_aranges): Likewise.
4032 (enum dw_val_class): Break dw_val_class_lbl_offset into
4033 dw_val_class_lineptr and dw_val_class_macptr.
4034 (add_AT_lbl_offset): Delete.
4035 (add_AT_lineptr): New.
4036 (add_AT_macptr): New.
4037 (AT_lbl): Expect a lineptr or macptr.
4038 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4039 (attr_checksum): Likewise.
4040 (same_dw_val_p): Likewise.
4041 (size_of_die): Likewise.
4042 (value_format): Likewise.
4043 (output_die): Likewise.
4044 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4046 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4047 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4048 * config/darwin-protos.h (darwin_file_start): New.
4049 (darwin_asm_output_dwarf_offset): New.
4050 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4051 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4053 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4054 if not EH section; simplify.
4055 (darwin_file_start): New.
4056 (darwin_asm_output_dwarf_offset): New.
4057 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4059 (DEBUG_INFO_SECTION): Likewise.
4060 (DEBUG_ABBREV_SECTION): Likewise.
4061 (DEBUG_ARANGES_SECTION): Likewise.
4062 (DEBUG_MACINFO_SECTION): Likewise.
4063 (DEBUG_LINE_SECTION): Likewise.
4064 (DEBUG_LOC_SECTION): Likewise.
4065 (DEBUG_PUBNAMES_SECTION): Likewise.
4066 (DEBUG_STR_SECTION): Likewise.
4067 (DEBUG_RANGES_SECTION): Likewise.
4068 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4069 (ASM_OUTPUT_DWARF_OFFSET): New.
4071 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4073 * config.gcc (tm_defines): Always add to previous value rather
4076 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4078 * config/mips/predicates.md (splittable_const_int_operand): New,
4079 split from move_operand.
4080 (splittable_symbolic_operand): New.
4081 (move_operand): Add commentary. Use splittable_const_int_operand.
4082 Inline mips_atomic_symbolic_constant_p.
4083 * config/mips/mips.md: Add combine splitters for handling moves
4084 of splittable_const_int_operands and splittable_symbolic_operands.
4085 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4086 (mips_split_symbol): Declare.
4087 (mips_move_integer): Declare.
4088 * config/mips/mips.c (mips_split_p): Make global.
4089 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4090 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4091 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4092 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4093 (mips_offset_within_object_p): Handle block symbols.
4094 (mips_atomic_symbolic_constant_p): Delete.
4095 (mips_cannot_force_const_mem): Return false for constants that
4096 mips_legitimize_move can handle.
4097 (mips_use_blocks_for_constant_p): New function.
4098 (mips_split_symbol): Make global.
4099 (mips_move_integer): Likewise. Add a temporary register argument.
4100 (mips_legitimize_const_move): Use splittable_const_int_operand and
4101 splittable_symbolic_operand.
4102 (mips_use_anchors_for_symbol_p): New function.
4103 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4104 (mips_split_p): Declare.
4106 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4108 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4109 (mips*-*-linux*): Likewise.
4111 2006-03-16 Roger Sayle <roger@eyesopen.com>
4112 Daniel Speyer <dspeyer@wam.umd.edu>
4115 * tree-dump.c (dump_real): New function.
4116 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4117 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4118 (tree-dump.o): Add $(REAL_H) to the dependencies.
4120 2006-03-16 Roger Sayle <roger@eyesopen.com>
4123 * real.c (real_from_string): If the mantissa is zero, don't bother
4124 parsing the exponent as the result should always be zero.
4126 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4128 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4130 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4132 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4133 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4134 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4135 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4136 ia64_sched_finish_global): New static functions to implement
4137 hooks from gcc_target.sched.
4138 (spec_check_no, max_uid, pending_data_specs): New static variables.
4139 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4140 ia64_spec_check_src_p): New static functions.
4141 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4142 (TARGET_SCHED_ADJUST_COST): Removed.
4143 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4144 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4145 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4146 TARGET_SCHED_GEN_CHECK,
4147 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4148 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4149 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4150 Fixed to handle speculation checks.
4151 (rtx_needs_barrier): Fixed to handle speculative loads and
4153 (ia64_variable_issue): Added code to count speculative loads and their
4155 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4157 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4159 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4161 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4162 (ia64_reorg): Reset stops_p to NULL after it is freed.
4163 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4164 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4165 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4167 (data_speculative, control_speculative, check_load): New attributes.
4168 (mov<mode>_advanced, mov<mode>_speculative,
4169 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4170 zero_extend<mode>di2_speculative,
4171 zero_extend<mode>di2_speculative_advanced): New patterns for
4172 data and control speculative loads.
4173 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4175 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4176 New pattern for data and control speculation checks.
4177 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4178 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4179 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4180 Auxiliary definitions for the patterns.
4181 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4182 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4184 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4186 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4187 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4188 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4189 New resource constraints.
4190 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4192 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4193 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4194 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4195 msched-in-control-spec, msched-ldc, msched-control-ldc,
4196 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4197 msched-prefer-non-control-spec-insns,
4198 msched-count-spec-in-critical-path): New flags to tune speculative
4200 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4201 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4202 msched-in-control-spec, msched-ldc, msched-control-ldc,
4203 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4204 msched-prefer-non-control-spec-insns,
4205 msched-count-spec-in-critical-path): Document new flags.
4207 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4209 * target.h (struct spec_info_def): New opaque declaration.
4210 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4211 speculate_insn, needs_block_p, gen_check,
4212 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4213 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4214 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4215 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4216 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4217 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4219 (TARGET_SCHED): Use new macros.
4220 * rtl.h (copy_DEPS_LIST_list): New prototype.
4221 * sched-int.h (struct sched_info): Change signature of new_ready field,
4222 adjust all initializations. New fields: add_remove_insn,
4223 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4224 region_head_or_leaf_p.
4225 (struct spec_info_def): New structure declaration.
4226 (spec_info_t): New typedef.
4227 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4228 recovery_block, orig_pat.
4229 (glat_start, glat_end): New variables declaraions.
4230 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4232 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4233 DETACH_LIFE_INFO, USE_GLAT.
4234 (enum SPEC_SCHED_FLAGS): New enumeration.
4235 (NOTE_NOTE_BB_P): New macro.
4236 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4237 attach_life_info, debug_spec_status, check_reg_live): New functions.
4238 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4239 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4241 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4242 * ddg.c (get_block_head_tail): Adjust all uses.
4243 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4244 (sms_sched_info): Initialize new fields.
4245 (contributes_to_priority): Removed.
4246 * haifa-sched.c (params.h): New include.
4247 (get_block_head_tail): Adjust all uses.
4248 (ISSUE_POINTS): New macro.
4249 (glat_start, glat_end): New global variables.
4250 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4251 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4252 old_last_basic_block, before_recovery, current_sched_info_var,
4253 rgn_n_insns, luid): New static variables.
4254 (insn_cost1): New function. Move logic from insn_cost to here.
4255 (find_insn_reg_weight1): New function. Move logic from
4256 find_insn_reg_weight to here.
4257 (reemit_notes, move_insn, max_issue): Change signature.
4258 (move_insn1): Removed.
4259 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4260 extend_bb): New static functions to support extension of scheduler's
4262 (generate_recovery_code, process_insn_depend_be_in_spec,
4263 begin_speculative_block, add_to_speculative_block,
4264 init_before_recovery, create_recovery_block, create_check_block_twin,
4265 fix_recovery_deps): New static functions to support
4266 generation of recovery code.
4267 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4268 restore_bb_notes, move_block_after_check, move_succs): New static
4269 functions to support ebb scheduling.
4270 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4271 functions to support handling of register live information.
4272 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4273 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4274 add_jump_dependencies): New static functions.
4275 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4276 consistancy checking.
4277 (debug_spec_status): New function to call from debugger.
4278 (priority): Added code to handle speculation checks.
4279 (rank_for_schedule): Added code to distinguish speculative instructions.
4280 (schedule_insn): Added code to handle speculation checks.
4281 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4282 Fixed to handle ebbs.
4283 (move_insn): Added code to handle ebb scheduling.
4284 (max_issue): Added code to use ISSUE_POINTS of instructions.
4285 (choose_ready): Added code to choose between speculative and
4286 non-speculative instructions.
4287 (schedule_block): Added code to handle ebb scheduling and scheduling of
4288 speculative instructions.
4289 (sched_init): Initialize new variables.
4290 (sched_finish): Free new variables. Print statistics.
4291 (try_ready): Added code to handle speculative instructions.
4292 * lists.c (copy_DEPS_LIST_list): New function.
4293 * sched-deps.c (extend_dependency_caches): New function. Move logic
4294 from create_dependency_caches to here.
4295 (get_dep_weak, ds_merge): Make global.
4296 * genattr.c (main): Code to output prototype for
4297 dfa_clear_single_insn_cache.
4298 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4299 (output_dfa_clean_insn_cache_func): Code to output
4300 dfa_clear_single_insn_cache function.
4301 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4303 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4305 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4306 New static variables.
4307 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4308 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4310 (ebb_sched_info): Initialize new fields.
4311 (get_block_head_tail): Adjust all uses.
4312 (compute_jump_reg_dependencies): Fixed to use glat_start.
4313 (schedule_ebb): Code to remove unreachable last block.
4314 (schedule_ebbs): Added code to update register live information.
4315 * sched-rgn.c (region_sched_info): Initialize new fields.
4316 (get_block_head_tail): Adjust all uses.
4317 (last_was_jump): Removed. Adjust users.
4318 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4319 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4320 Implement new hooks.
4321 (check_dead_notes1): New static function.
4322 (struct region): New fields: dont_calc_deps, has_real_ebb.
4323 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4324 (BB_TO_BLOCK): Fixed to handle EBBs.
4325 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4326 (ebb_head): New static variable.
4327 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4328 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4330 (compute_dom_prob_ps): New assertion.
4331 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4332 global_live_at_start.
4333 (init_ready_list): New assertions.
4334 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4335 (new_ready): Add support for BEGIN_CONTROL speculation.
4336 (schedule_insns): Fixed code that updates register live information
4338 (schedule_region): Fixed to handle EBBs.
4339 (init_regions): Use extend_regions and check_dead_notes1.
4340 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4341 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4342 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4343 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4344 TARGET_SCHED_GEN_CHECK,
4345 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4346 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4347 * doc/invoke.texi (max-sched-insn-conflict-delay,
4348 sched-spec-prob-cutoff): Document.
4350 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4352 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4353 inter_tick, queue_index.
4354 (struct sched_info): Change signature of init_ready_list field.
4355 Adjust all initializations.
4356 (RESOLVED_DEPS): New access macro.
4357 (ready_add): Remove prototype.
4358 (try_ready): Add prototype.
4359 * sched-rgn.c (init_ready_list): Use try_ready.
4360 (schedule_region): Initialize
4361 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4362 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4363 (init_ready_list): Use try_ready.
4364 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4365 * lists.c (remove_list_elem): Remove `static'.
4366 (remove_free_INSN_LIST_elem): New function.
4367 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4368 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4369 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4371 (readyp): New variable.
4372 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4373 change_queue_index, resolve_dep): New static functions.
4374 (try_ready): New function. Adjust callers in sched-rgn.c and
4375 sched-ebb.c to use it instead of ready_add.
4376 (clock_var): Move at the begining of file.
4377 (rank_for_schedule): Fix typo.
4378 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4379 (ready_lastpos): Enforce assertion.
4380 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4382 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4383 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4384 (queue_to_ready): Use free_INSN_LIST_list.
4385 (early_queue_to_ready): Fix typo.
4386 (schedule_block): Init readyp. Move init_ready_list call after the
4387 initialization of clock_var. Fix error in rejecting insn by
4388 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4389 that previously corrected INSN_TICKs. Add code for handling
4391 (set_priorities): Fix typo.
4392 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4393 Clarify comment and code that keeps current_sched_info->next_tail
4396 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4398 * sched-rgn.c (extend_rgns): New static function.
4399 (find_rgns): Use it.
4400 (gather_region_statistics, print_region_statistics): New static
4402 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4403 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4405 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4406 Andrey Belevantsev <abel@ispras.ru>
4408 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4409 * lists.c (unused_deps_list): New variable.
4410 (free_list): Add assertions to verify the proper distinguishing
4411 between INSN_LISTs and DEPS_LISTs.
4412 (find_list_elem, remove_list_elem, remove_list_node): New static
4414 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4415 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4416 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4417 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4419 (free_INSN_LIST_node): Likewise.
4420 * modulo-sched.c (current_sched_info): Initialize flags field.
4421 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4422 * rtl.def (DEPS_LIST): Define.
4423 * rtl.h: Declare new functions from lists.c.
4424 * sched-deps.c (spec_dependency_cache): New static variable.
4425 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4426 (add_dependence): Change return type to void. Move the logic to ...
4427 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4428 (delete_all_dependences): Add comment about forward_dependency_cache.
4429 Handle spec_dependency_cache. Handle DEPS_LISTs.
4430 (fixup_sched_groups): Clarify the change of priority of output
4431 and anti dependencies.
4432 (sched_analyze_2): Adjust add_dependence calls to create data
4433 speculative dependence.
4434 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4435 Adjust all callers. Handle DEPS_LISTS.
4436 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4437 presence of speculation.
4438 (init_dependency_caches, free_dependency_caches):
4439 Handle spec_dependency_cache.
4440 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4441 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4442 New static functions.
4443 (add_or_update_back_dep, add_or_update_back_forw_dep,
4444 add_back_forw_dep, delete_back_forw_dep): New functions.
4445 * sched-int.h (ds_t, dw_t): New typedefs.
4446 (struct sched_info): Add new field flags.
4447 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4448 Prototype new sched-deps.c functions.
4449 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4450 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4451 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4452 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4453 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4454 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4456 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4458 * sched-rgn.c (current_sched_info): Initialize flags field.
4459 (schedule_insns): Initialize current_sched_info before the sched_init
4461 * sched-ebb.c (current_sched_info): Initialize flags field.
4462 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4463 Call add_or_update_back_dep instead of add_dependence.
4464 Create control speculative dependencies.
4465 (schedule_insns): Initialize current_sched_info before the sched_init
4468 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4470 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4472 (sh_fallback_frame_state): Likewise.
4474 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4476 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4477 Do switch on default_use_cxa_atexit.
4478 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4479 * config/darwin-crt3.o: New.
4480 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4481 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4482 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4484 * config/rs6000/t-darwin: Move crt2.o building to here.
4485 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4486 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4489 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4491 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4492 from '! xxx' to '!xxx' for coding-style conformance.
4493 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4494 (EXTRA_CONSTRAINT): Likewise.
4495 * config/vax/vax.md (four unnamed insns): Likewise.
4497 2006-03-15 Paul Brook <paul@codesourcery.com>
4499 * config/arm/arm.c (minipool_pad): New.
4500 (add_minipool_forward_ref): Include pool alignment padding in address
4502 (push_minipool_fix): Set minipool_pad.
4503 (minipool_pad): Ditto.
4505 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4507 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4508 instead of GET_CODE() == MEM and REG_P() instead of
4510 (print_operand_address): Likewise.
4511 (vax_address_cost): Likewise.
4512 (vax_rtx_costs): Likewise.
4513 (vax_notice_update_cc): Likewise.
4514 (vax_output_int_add): Likewise.
4515 (INDEX_REGISTER_P): Likewise.
4516 (BASE_REGISTER_P): Likewise.
4517 (nonindexed_address_p): Likewise.
4518 (vax_mode_dependent_address_p): Likewise.
4519 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4520 (PRINT_OPERAND): Likewise.
4521 * config/vax/vax.md (ashlsi3): Likewise.
4522 (ashlsi3): Likewise.
4523 (some more unnamed insns): Likewise.
4525 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4527 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4528 iterator-style macro.
4529 (mark_control_dependent_edges_necessary): Update the use of
4530 EXECUTE_IF_CONTROL_DEPENDENT.
4532 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4534 * config/sh/predicates.md (cache_address_operand): Special.
4535 (ua_address_operand): Likewise.
4537 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4539 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4541 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4543 2006-03-15 Andreas Schwab <schwab@suse.de>
4545 * gensupport.c (identify_predicable_attribute): Don't free p_false
4546 when it is still in use.
4548 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4550 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4551 the default setting here.
4553 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4555 * tree-pass.h (pass_cfg): Remove.
4556 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4557 * passes.c (pass_cfg): Don't run it.
4559 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4561 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4562 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4564 (stack_regs_mentioned): Update the uses of
4565 stack_regs_mentioned_data. Don't access the array beyond its
4567 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4568 Don't include gt-reg-stack.h.
4570 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4571 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4573 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4576 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4579 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4581 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4583 2006-03-14 Richard Guenther <rguenther@suse.de>
4585 PR tree-optimization/26672
4586 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4589 2006-03-14 Richard Guenther <rguenther@suse.de>
4591 PR tree-optimization/26667
4592 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4593 node for the callees. Always allow inlining if it will shrink
4596 2006-03-14 Richard Guenther <rguenther@suse.de>
4599 * builtins.c (get_pointer_alignment): Prefer alignment
4600 information from decls over that from types.
4602 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4605 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4607 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4609 * config/rs6000/rs6000.opt (mdlmzb): New option.
4610 (msched-prolog, msched-epilog): Use Var not Mask.
4611 * doc/invoke.texi (-mdlmzb): Document.
4612 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4614 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4615 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4617 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4619 PR rtl-optimization/25739
4620 * bt-load.c (augment_live_range): Free tos pointer.
4622 * gensupport.c (identify_predicable_attribute): Free
4624 * gcov.c (create_file_names): Free name pointer.
4626 2006-03-13 Roger Sayle <roger@eyesopen.com>
4629 * stmt.c (emit_case_nodes): Handle the case where the index is a
4630 CONST_INT, where the comparison mode is specified by the index type.
4632 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4634 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4637 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4639 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4640 (*branch_fp_inverted): Likewise.
4642 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4645 * omp-low.c (expand_omp_for_generic): Mark istart0
4646 and iend0 as addressable.
4648 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4650 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4652 2006-03-13 Jeff Law <law@redhat.com>
4654 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4655 virtual operands are interesting.
4656 (vrp_visit_stmt): Corresponding changes.
4658 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4660 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4662 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4663 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4664 * config/bfin/crti.S: Use it instead of __PIC__.
4665 * config/bfin/crtn.S: Likewise.
4667 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4668 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4670 Lose 'G' modifier for call operand.
4671 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4672 recognize 'G' modifier.
4674 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4677 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4678 * stmt.c (expand_case): Likewise.
4680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4682 PR rtl-optimization/26254
4683 * loop-invariant.c (seq_insns_valid_p): New function.
4684 (move_invariant_reg): Only emit new code if it is valid.
4686 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4688 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4690 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4691 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4692 (commit_one_edge_insertion): Do not look for loop notes.
4694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4696 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4697 flag_test_coverage out of loop.
4699 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4701 * final.c (shorten_branches): Remove outdated comment, and turn
4702 the if branch that guards it to continue.
4704 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4706 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4707 * cfgloop.h (struct loop): Remove unused fields.
4709 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4711 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4712 (-dL, -fdump-rtl-loop2): Update the dump file names
4714 * doc/invoke.texi: Update dump file names.
4716 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4718 * predict.c (estimate_probability): Remove.
4719 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4720 * basic-block.h (estimate_probability): Remove prototype.
4721 * passes.c (finish_optimization_passes): Dump branch prediction or
4722 profiling heuristics to the .profile tree dump.
4723 (init_optimization_passes): Unqueue pass_branch_prob.
4725 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4727 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4729 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4730 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4732 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4734 * function.h (frame_offset_overflow): Declare.
4735 * function.c (frame_offset_overflow): New function.
4736 (assign_stack_local_1): Call it to detect that the offset overflows.
4737 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4739 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4741 * config/sh/sh.c: Include alloc-pool.h.
4742 (label_ref_list_pool): New alloc pool.
4743 (label_ref_list_t): New type for lists of labels.
4744 (struct pool_node): Make wend a label_ref_list_t.
4745 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4747 (dump_table): Likewise.
4748 (sh_reorg): Set up the alloc pool before using add_constant and
4749 dump_table, and destroy it when finishing.
4751 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4753 * config/mips/mips.c: Remove redundant comment.
4755 2006-03-10 Jason Merrill <jason@redhat.com>
4758 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4759 the target was declared 'register'.
4761 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4763 * genpreds.c (write_insn_constraint_len): Change definition of
4764 insn_constraint_len to return size_t to match the declaration.
4766 2006-03-10 DJ Delorie <dj@redhat.com>
4768 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4770 (m32c_expand_insv): Fix test for an AND mask.
4772 2006-03-10 Richard Guenther <rguenther@suse.de>
4775 * builtins.c (get_pointer_alignment): Handle component
4776 references for field alignment.
4778 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4780 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4781 when building with libgloss.
4782 (sh*elf): Implement --without-fp option.
4783 (sh64-superh-linux*): Don't multilib.
4785 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4787 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4789 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4791 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4792 Set it when one of the replacement functions returned true.
4793 Return TODO_cleanup_cfg if cfgchanged is true.
4794 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4796 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4798 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4799 instead of gen_lowpart.
4801 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4803 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4805 (mips_output_order_conditional_branch): Declare.
4806 * config/mips/mips.h (MIPS_BRANCH): New macro.
4807 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4808 for the comparison. Use gen_condjump.
4809 (mips_output_conditional_branch): Rework interface to take the
4810 asm templates for a direct branch and the inverse of a direct branch.
4811 (mips_output_order_conditional_branch): New function.
4812 (mips_builtin_branch_and_move): New function.
4813 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4814 branch condition. Use gen_single_cc as the condition for
4815 __builtin_mips_upper_* or __builtin_mips_lower_*.
4816 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4817 Use VOIDmode for the branch condition.
4818 * config/mips/predicates.md (order_operator): New predicate.
4819 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4820 (branch_fp): Rename to...
4821 (*branch_fp): ...this. Remove mode from comparison operator.
4822 Use new mips_output_conditional_branch interface.
4823 (branch_fp_inverted): Rename to...
4824 (*branch_fp_inverted): ...this and update as for *branch_fp.
4825 (*branch_zero<mode>): Rename to...
4826 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4827 Use mips_output_order_conditional_branch. Only accept ordered
4829 (*branch_zero<mode>_inverted): Rename to...
4830 (*branch_order<mode>_inverted): ...this and update as for
4831 *branch_order<mode>.
4832 (*branch_equality<mode>): Accept zero as the second operand to
4833 the equality operator. Use the new mips_output_conditional_branch
4835 (*branch_equality<mode>_inverted): Likewise.
4836 (condjump): New expander.
4837 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4839 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4840 (bc1any2t, bc1any2f): Likewise.
4841 (single_cc): New expander.
4842 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4844 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4846 * doc/md.texi: Update documentation of MIPS constraints.
4847 * config/mips/constraints.md: New file.
4848 * config/mips/mips.md: Include it.
4849 * config/mips/mips.c (mips_char_to_class): Delete.
4850 (override_options): Don't initialize mips_char_to_class.
4851 * config/mips/mips.h (mips_char_to_class): Delete.
4852 (REG_CLASS_FROM_LETTER): Delete.
4853 (CONST_OK_FOR_LETTER_P): Delete.
4854 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4855 (EXTRA_CONSTRAINT_Y): Delete.
4856 (EXTRA_CONSTRAINT_STR): Delete.
4857 (CONSTRAINT_LEN): Delete.
4858 (EXTRA_MEMORY_CONSTRAINT): Delete.
4860 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4862 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4863 original fn's eh regions.
4865 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4867 * fold-const.c (build_range_check): Make sure to use a valid type to
4868 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4871 (range_predecessor): New static function.
4872 (range_successor): Likewise.
4873 (merge_ranges): Use them to compute predecessors and successors of
4876 2006-03-09 Roger Sayle <roger@eyesopen.com>
4879 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4880 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4882 2006-03-08 DJ Delorie <dj@redhat.com>
4884 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4885 (addpsi3): Expand to include memory operands. Remove
4886 reload-specific splits.
4887 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4888 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4889 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4890 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4891 (shift1_qi, shift1_hi, insv): New.
4892 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4893 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4894 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4896 * config/m32c/m32c-protos.h: Update as needed.
4897 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4898 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4899 Fail for unrecognized R* constraints.
4900 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4901 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4902 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4904 (m32c_init_libfuncs): New.
4905 (m32c_legitimate_address_p): Add debug wrapper.
4906 (m32c_rtx_costs): New.
4907 (m32c_address_cost): New.
4908 (conversions): Add 'B' prefix.
4909 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4910 operands, or word regnames for QI operands. 'B' prints bit
4912 (m32c_expand_setmemhi): New.
4913 (m32c_expand_movmemhi): New.
4914 (m32c_expand_movstr): New.
4915 (m32c_expand_cmpstr): New.
4916 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4917 (m32c_expand_neg_mulpsi3): Handle non-ints.
4918 (m32c_cmp_flg_0): New.
4919 (m32c_expand_movcc): New.
4920 (m32c_expand_insv): New.
4921 (m32c_scc_pattern): New.
4922 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4923 a0/a1 out of SIregs.
4924 (STORE_FLAG_VALUE): New.
4925 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4928 * config/m32c/mov.md: Make constraints more liberal.
4929 (zero_extendqihi2): Optimize r0/r1 case.
4930 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4931 * config/m32c/predicates.md (m32c_any_operand): New.
4932 (m32c_nonimmediate_operand): New.
4933 (m32c_hl_operand): New.
4934 (m32c_r3_operand): New.
4937 (memsym_operand): New.
4938 (memimmed_operand): New.
4939 (a_qi_operand): New.
4940 (m32c_eqne_operator): New.
4941 (m32c_1bit8_operand): New.
4942 (m32c_1bit16_operand): New.
4943 (m32c_1mask8_operand): New.
4944 (m32c_1mask16_operand): New.
4945 * config/m32c/blkmov.md: New file.
4946 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4948 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4950 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4951 unsigned to fix signed/unsigned comparison issue in
4952 DWARF2_FRAME_REG_OUT.
4953 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4954 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4956 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4957 of ptr into the ENABLE_CHECKING section.
4959 2006-03-08 Jeff Law <law@redhat.com>
4961 * tree-vrp.c (infer_value_range): Only count pointer uses
4962 and dereferences if -fdelete-null-pointer-checks is enabled.
4964 * tree-vrp.c (find_assert_locations): Infer value ranges for
4965 single use pointers, but do not create ASSERT_EXPRs for them.
4966 When a non-null range is inferred for a pointer, backwards
4967 propagate that range to other equivalent pointers through the
4970 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4973 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4974 language hook targets.
4975 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4976 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4977 if language hook targets were missing.
4979 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4981 * tree-ssa-opfinalize.h: Removed.
4982 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4984 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4985 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4986 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4987 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4988 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4989 finalize_ssa_v_must_def_ops): New.
4991 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4993 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4996 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4998 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5000 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5001 addresses with offsets; reorganize.
5003 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5004 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5005 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5007 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5010 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5012 2006-03-08 Ben Elliston <bje@au.ibm.com>
5014 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5016 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5019 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5022 2006-03-07 Richard Guenther <rguenther@suse.de>
5024 PR tree-optimization/26587
5025 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5027 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5029 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5031 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5033 * hooks.c (hook_bool_mode_rtx_true): New function.
5034 * hooks.h (hook_bool_mode_rtx_true): Declare.
5035 * toplev.c (compile_file): Call output_shared_constant_pool.
5036 * varasm.c (shared_constant_pool): New variable.
5037 (assemble_start_function, assemble_end_function): Remove arguments
5038 from call to output_constant_pool.
5039 (create_constant_pool): New function, split out from...
5040 (init_varasm_status): ...here.
5041 (force_const_mem): Choose between the shared and per-function constant
5042 pools. Set current_function_uses_const_pool when reusing old entries
5043 as well as when creating new ones.
5044 (mark_constant): Ignore data argument.
5045 (mark_constants): Remove pool argument.
5046 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5047 to decide whether the function uses a constant pool.
5048 (output_constant_pool_contents): New function, split out from...
5049 (output_constant_pool): ...here.
5050 (output_shared_constant_pool): New function.
5051 (init_varasm_once): Initialize shared_constant_pool.
5052 * output.h (output_constant_pool): Delete.
5053 (output_shared_constant_pool): Declare.
5054 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5055 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5057 2006-03-06 Nick Clifton <nickc@redhat.com>
5059 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5060 flag_strength_reduce.
5062 2006-03-06 Ben Elliston <bje@au.ibm.com>
5064 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5065 x86_64-*-linux* configurations.
5067 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5068 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5070 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5072 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5074 * basic-block.h: Remove the extern for
5075 rediscover_loops_after_threading.
5077 * cfgloop.c (cancel_loop): Make it static.
5078 * cfgloop.h: Remove the prototype for cancel_loop.
5080 * flow.c (recompute_reg_usage): Make it static.
5081 * rtl.h: Remove the prototype for recompute_reg_usage.
5083 * function.c (use_return_register): Make it static.
5084 * function.h: Remove the prototype.
5086 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5088 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5090 * recog.h: Remove the prototype for
5091 validate_change_maybe_volatile.
5093 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5095 * rtlanal.c (replace_reg): Remove.
5096 * rtl.h: Remove the prototype for replace_reg.
5098 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5100 * regclass.c (reg_scan_update): Remove.
5101 (reg_scan_mark_refs): Remove the last argument.
5102 * rtl.h: Remove the prototype for reg_scan_update.
5104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5106 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5107 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5108 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5109 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5110 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5111 loop-invariant.c, omp-low.c, opts.c, passes.c,
5112 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5113 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5114 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5115 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5116 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5117 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5121 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5122 * dwarf2out.h: Remove the prototype for
5123 dwarf2out_add_library_unit_info.
5125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5127 * tree.c (add_var_to_bind_expr): Remove.
5128 * tree.h: Remove the prototype for add_var_to_bind_expr.
5130 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5132 * regclass.c (n_non_fixed_regs): Remove.
5133 (init_reg_sets_1, globalize_reg): Remove all uses of
5135 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5139 * rtlanal.c (insns_safe_to_move_p): Remove.
5140 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5142 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5144 * expmed.c (expand_mult_add): Remove.
5145 * expr.h: Remove the prototype for expand_mult_add.
5147 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5149 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5150 and REG_SAVED_VAL_EXP constants.
5151 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5152 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5153 Handle regs stored by value.
5154 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5155 (execute_cfa_program): Handle DW_CFA_val_offset,
5156 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5157 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5158 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5159 (uw_install_context_1): Handle target regs stored by value.
5161 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5163 * tree-sra.c (tree_sra): Return todoflags;
5164 (generate_one_element): Set TODO_update_smt_usage if needed.
5165 (pass_sra): Remove TODO_update_smt_usage.
5166 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5168 (tree_ssa_forward_propagate_single_use_vars): Return
5169 TODO_update_smt_usage if we need to update SMT usage.
5170 (pass_forwprop): Remove TODO_update_smt_usage.
5172 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5174 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5175 (correct_use_link): Remove reference to get_stmt_operands.
5176 (update_stmt_operands): Likewise.
5177 (get_modify_expr_operands): New function factored out of
5178 parse_ssa_operands and get_expr_operands.
5179 Try to create V_MUST_DEFs for LHS by default.
5180 (get_expr_operands) <case MODIFY_EXPR>: Call
5181 get_modify_expr_operands.
5182 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5183 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5184 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5185 get_modify_expr_operands.
5187 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5189 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5190 * tree-flow.h: Remove the prototype for
5191 referenced_var_lookup_if_exists.
5193 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5195 PR rtl-optimization/26345
5197 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5199 2006-03-03 Roger Sayle <roger@eyesopen.com>
5201 PR tree-optimization/26524
5202 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5203 fold_convert to create a constant of the appropriate type.
5205 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5207 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5208 SYMBOL_REF_IN_BLOCK_P.
5209 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5210 of SYMBOL_FLAG_IN_BLOCK.
5211 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5212 instead of SYMBOL_REF_IN_BLOCK_P.
5213 * explow.c (use_anchored_address): Likewise.
5214 * rtl.c (rtx_size): Likewise.
5215 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5216 instead of SYMBOL_FLAG_IN_BLOCK.
5217 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5218 SYMBOL_REF_IN_BLOCK_P.
5219 (assemble_variable): Likewise.
5220 (output_constant_def_contents): Likewise.
5221 (output_constant_pool): Likewise.
5222 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5223 instead of SYMBOL_FLAG_IN_BLOCK.
5224 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5225 SYMBOL_REF_IN_BLOCK_P.
5226 (SYMBOL_REF_BLOCK): Likewise.
5227 (SYMBOL_REF_OFFSET): Likewise.
5228 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5229 SYMBOL_REF_IN_BLOCK_P.
5230 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5231 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5232 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5233 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5235 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5237 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5239 2006-03-02 Roger Sayle <roger@eyesopen.com>
5241 * simplify-rtx.c (simplify_unary_operation): When simplifying
5242 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5243 that we perform the right shift in the appropriate mode, and
5244 then extend or truncate the result to requested mode.
5246 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5248 * gengtype.c (main): Handle double_int type.
5249 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5250 * double-int.c: New file.
5251 * double-int.h: New file.
5252 * system.h: Include doubleint.h.
5253 * Makefile.in (SYSTEM_H): Include double-int.h.
5254 (double-int.o): Add.
5256 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5259 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5262 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5264 * tree-vrp.c (remove_range_assertions): Do not update statements
5267 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5269 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5271 * gcse.c (rest_of_handle_gcse): Ditto.
5272 * except.c (gate_handle_eh): Ditto.
5273 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5274 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5276 2006-03-02 Eric Christopher <echristo@apple.com>
5278 * config/i386/i386.c (machopic_output_stub): Add indirection to
5281 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5285 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5287 Sun Niagara specific optimizations.
5288 * config.gcc: Recognize niagara as target.
5289 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5290 (TARGET_CPU_niagara): Define.
5291 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5292 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5293 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5294 (ASM_CPU_SPEC): Likewise.
5295 (PROCESSOR_NIAGARA): New enum entry.
5296 (REGISTER_MOVE_COST): Handle Niagara.
5297 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5298 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5299 (sparc_override_options): Recognize "niagara", set appropriate
5300 default MASK_* values for it, and align functions to 32-bytes
5301 by default just like ULTRASPARC/ULTRASPARC3.
5302 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5303 (sparc64_initialize_trampoline): Likewise.
5304 (sparc_use_sched_lookahead): Use zero for niagara.
5305 (sparc_issue_rate): Use one for niagara.
5306 * config/sparc/niagara.md: New file.
5307 * config/sparc/sparc.md: Include it.
5308 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5309 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5310 when default cpu is niagara.
5311 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5312 (ASM_CPU_SPEC): Likewise.
5313 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5314 when default cpu is niagara.
5315 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5316 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5317 just like v9/ultrasparc/ultrasparc3.
5318 * doc/invoke.texi: Add documentation for "niagara" and improve
5319 existing documentation for ultrasparc variants.
5321 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5323 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5325 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5327 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5328 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5329 and say that only one is needed.
5330 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5331 * target.h (have_switchable_bss_sections): New hook.
5332 * explow.c (use_anchored_address): Check that the symbol is in a block.
5333 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5334 (bss_noswitch_section): New variables.
5335 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5336 (get_noswitch_section): New function.
5337 (get_block_for_section): Allow SECT to be null.
5338 (unlikely_text_section_p): Use SECTION_STYLE.
5339 (bss_initializer_p): New function.
5340 (get_variable_section): Move earlier in file. Take a new argument,
5341 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5342 Return one of the new *_sections in such cases.
5343 (get_block_for_decl): New function, extracting some logic from
5344 use_blocks_for_decl_p.
5345 (change_symbol_section): Remove in favor of...
5346 (change_symbol_block): ...this new function.
5347 (use_blocks_for_decl_p): Remove checks now performed by
5349 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5350 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5351 (emit_local, emit_bss, emit_common): ...these new functions.
5352 Return true if the alignment was honored.
5353 (emit_tls_common): New function.
5354 (asm_emit_uninitialised): Delete.
5355 (assemble_variable_noswitch): New function, split out from...
5356 (assemble_variable): ...here. Don't make decisions about common
5357 variables here. Globalize all public decls that go into non-common
5358 sections. Check whether SYMBOL_REF_BLOCK is null.
5359 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5360 (output_constant_pool): Likewise.
5361 (init_varasm_once): Initialize the new section variables.
5362 (have_global_bss_p): New function.
5363 (categorize_decl_for_section): Use bss_initializer_p.
5364 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5365 (place_block_symbol): Assert that the symbol must be in a block.
5366 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5367 (TARGET_INITIALIZER): Include it.
5368 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5369 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5370 (SECTION_MACH_DEP): Bump by two.
5371 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5372 (unnamed_section): Mention SECTION_UNNAMED in comment.
5373 (named_section): Likewise SECTION_NAMED.
5374 (noswitch_section_callback): New type.
5375 (noswitch_section): New structure.
5376 (section): Add a noswitch_section alternative.
5377 (SECTION_STYLE): New macro.
5378 (tls_comm_section, comm_section, lcomm_section): Declare.
5379 (bss_noswitch_section, have_global_bss_p): Declare.
5380 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5381 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5383 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5384 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5387 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5389 * tree-vrp.c (execute_vrp): Return value.
5390 * regrename.c (rest_of_handle_regrename): Ditto.
5391 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5392 * tree-complex.c (tree_lower_complex): Ditto.
5393 (tree_lower_complex_O0): Ditto.
5394 * tracer.c (rest_of_handle_tracer): Ditto.
5395 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5396 * postreload.c (rest_of_handle_postreload): Ditto.
5397 * tree-tailcall.c (execute_tail_recursion): Ditto.
5398 (execute_tail_calls): Ditto.
5399 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5400 * tree.h (init_function_for_compilation): Ditto.
5401 * ipa-cp.c (ipcp_driver): Ditto.
5402 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5403 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5404 * final.c (compute_alignments): Ditto.
5405 (rest_of_handle_final): Ditto.
5406 (rest_of_handle_shorten_branches): Ditto.
5407 (rest_of_clean_state): Ditto.
5408 * omp-low.c (execute_expand_omp): Ditto.
5409 (execute_lower_omp): Ditto.
5410 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5411 * ipa-reference.c (static_execute): Ditto.
5412 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5413 * reorg.c (rest_of_handle_delay_slots): Ditto.
5414 (rest_of_handle_machine_reorg): Ditto.
5415 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5416 * flow.c (recompute_reg_usage): Ditto.
5417 (rest_of_handle_remove_death_notes): Ditto.
5418 (rest_of_handle_life): Ditto.
5419 (rest_of_handle_flow2): Ditto.
5420 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5421 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5422 (do_ssa_store_ccp): Ditto.
5423 (execute_fold_all_builtins): Ditto.
5424 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5425 * modulo-sched.c (rest_of_handle_sms): Ditto.
5426 * ipa-pure-const.c (static_execute): Ditto.
5427 * cse.c (rest_of_handle_cse): Ditto.
5428 (rest_of_handle_cse2): Ditto.
5429 * web.c (rest_of_handle_web): Ditto.
5430 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5431 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5432 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5433 * tree-nrv.c (tree_nrv): Ditto.
5434 (execute_return_slot_opt): Ditto.
5435 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5436 (create_structure_vars): Ditto.
5437 * loop-init.c (rtl_loop_init): Ditto.
5438 (rtl_loop_done): Ditto.
5439 (rtl_move_loop_invariants): Ditto.
5440 (rtl_unswitch): Ditto.
5441 (rtl_unroll_and_peel_loops): Ditto.
5442 (rtl_doloop): Ditto.
5443 * gimple-low.c (lower_function_body): Ditto.
5444 (mark_used_blocks): Ditto.
5445 * tree-ssa-sink.c (execute_sink_code): Ditto.
5446 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5447 (cgraph_early_inlining): Ditto.
5448 * global.c (rest_of_handle_global_alloc): Ditto.
5449 * jump.c (cleanup_barriers): Ditto.
5450 (purge_line_number_notes): Ditto.
5451 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5452 (rest_of_handle_if_after_reload): Ditto.
5453 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5454 (tree_ssa_loop_im): Ditto.
5455 (tree_ssa_loop_unswitch): Ditto.
5456 (tree_vectorize): Ditto.
5457 (tree_linear_transform): Ditto.
5458 (tree_ssa_loop_ivcanon): Ditto.
5459 (tree_ssa_empty_loop): Ditto.
5460 (tree_ssa_loop_bounds): Ditto.
5461 (tree_complete_unroll): Ditto.
5462 (tree_ssa_loop_prefetch): Ditto.
5463 (tree_ssa_loop_ivopts): Ditto.
5464 (tree_ssa_loop_done): Ditto.
5465 * predict.c (tree_estimate_probability): Ditto.
5466 * recog.c (split_all_insns_noflow): Ditto.
5467 (rest_of_handle_peephole2): Ditto.
5468 (rest_of_handle_split_all_insns): Ditto.
5469 * tree-eh.c (lower_eh_constructs): Ditto.
5470 * regmove.c (rest_of_handle_regmove): Ditto.
5471 (rest_of_handle_stack_adjustments): Ditto.
5472 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5473 * function.c (instantiate_virtual_regs): Ditto.
5474 (init_function_for_compilation): Ditto.
5475 (rest_of_handle_check_leaf_regs): Ditto.
5476 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5477 (rest_of_handle_gcse): Ditto.
5478 * ipa-type-escape.c (type_escape_execute): Ditto.
5479 * alias.c (rest_of_handle_cfg): Ditto.
5480 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5481 * profile.c (rest_of_handle_branch_prob): Ditto.
5482 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5483 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5484 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5485 * tree-dfa.c (find_referenced_vars): Ditto.
5486 * except.c (set_nothrow_function_flags): Ditto.
5487 (convert_to_eh_region_ranges): Ditto.
5488 (rest_of_handle_eh): Ditto.
5489 * emit-rtl.c (unshare_all_rtl): Ditto.
5490 (remove_unnecessary_notes): Ditto.
5491 * except.h (set_nothrow_function_flags): Ditto.
5492 (convert_to_eh_region_ranges): Ditto.
5493 * cfgexpand.c (tree_expand_cfg): Ditto.
5494 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5495 * tree-ssa-pre.c (do_pre): Ditto.
5496 (execute_fre): Ditto.
5497 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5498 (rest_of_handle_jump2): Ditto.
5499 * tree-sra.c (tree_sra): Ditto.
5500 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5501 (execute_mudflap_function_decls): Ditto.
5502 * tree-ssa-copy.c (do_copy_prop): Ditto.
5503 (do_store_copy_prop): Ditto.
5504 * ipa-prop.h (ipcp_driver): Ditto.
5505 * cfglayout.c (insn_locators_initialize): Ditto.
5506 * tree-ssa-forwprop.c
5507 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5508 * cfglayout.h (insn_locators_initialize): Ditto.
5509 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5510 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5511 (execute_late_warn_uninitialized): Ditto.
5512 * rtl.h (cleanup_barriers): Ditto.
5513 (split_all_insns_noflow): Ditto.
5514 (purge_line_number_notes): Ditto.
5515 (unshare_all_rtl): Ditto.
5516 (remove_unnecessary_notes): Ditto.
5517 (recompute_reg_usage): Ditto.
5518 (variable_tracking_main): Ditto.
5519 * integrate.c (emit_initial_value_sets): Ditto.
5520 * integrate.h (emit_initial_value_sets): Ditto.
5521 * tree-optimize.c (execute_free_datastructures): Ditto
5522 (execute_free_cfg_annotations): Ditto.
5523 (execute_fixup_cfg): Ditto.
5524 (execute_cleanup_cfg_pre_ipa): Ditto.
5525 (execute_cleanup_cfg_post_optimizing): Ditto.
5526 (execute_init_datastructures): Ditto.
5527 * tree-object-size.c (compute_object_sizes): Ditto.
5528 * combine.c (rest_of_handle_combine): Ditto.
5529 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5530 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5531 (rest_of_handle_reorder_blocks): Ditto.
5532 (rest_of_handle_partition_blocks): Ditto.
5533 * var-tracking.c (variable_tracking_main): Ditto.
5534 * tree-profile.c (tree_profiling): Ditto.
5535 * tree-vect-generic.c (expand_vector_operations): Ditto.
5536 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5537 * sched-rgn.c (rest_of_handle_sched): Ditto.
5538 (rest_of_handle_sched2): Ditto.
5539 * basic-block.h (free_bb_insn): Ditto.
5540 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5541 * tree-cfg.c (execute_build_cfg): Ditto.
5542 (remove_useless_stmts): Ditto.
5543 (split_critical_edges): Ditto.
5544 (execute_warn_function_return): Ditto.
5545 (execute_warn_function_noreturn): Ditto.
5546 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5547 * cfgrtl.c (free_bb_for_insn): Ditto.
5548 * passes.c (execute_one_pass): Run additional
5549 todos returned by execute function.
5550 * tree-pass.h (struct tree_opt_pass): Make execute
5553 2006-03-02 Richard Guenther <rguenther@suse.de>
5555 * tree-ssa-alias.c (find_used_portions): Consider taking
5556 the address as making the variable not write-only.
5558 2006-03-02 Nick Clifton <nickc@redhat.com>
5560 * config.gcc (default_use_cxa_atexit): Extend the description of
5561 this configure variable. Set its default value to "yes" for
5562 Linux, NetBSD and ELF targets on the assumption that they will
5563 use C libraries with the __cxa_atexit function.
5565 2006-03-02 Ben Elliston <bje@au.ibm.com>
5567 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5568 parameter as unused to suppress a build warning.
5570 2006-03-02 Ben Elliston <bje@au.ibm.com>
5572 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5575 2006-03-01 Roger Sayle <roger@eyesopen.com>
5578 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5579 declared name, the weak reference name, and the typeof name.
5580 (__gthrw): Avoid expanding the declared name suffix.
5581 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5583 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5585 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5587 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5588 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5589 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5590 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5591 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5592 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5593 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5594 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5595 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5596 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5597 (DW_END_default, DW_END_big, DW_END_little): New.
5598 (DW_END_lo_user, DW_END_hi_user): Define.
5599 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5600 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5601 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5604 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5606 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5608 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5610 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5612 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5614 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5615 to 'symbol_mem_tag'.
5617 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5620 2006-03-01 Roger Sayle <roger@eyesopen.com>
5622 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5624 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5627 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5628 MACHO_DYNAMIC_NO_PIC_P.
5629 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5631 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5634 * config/darwin-protos.h (darwin_asm_output_anchor):
5636 * config/darwin-sections.def (cstring_section):
5637 Add SECTION_MERGE to the flags.
5638 (literal4_section): Likewise.
5639 (literal8_section): Likewise.
5640 (objc_selector_refs_section): Likewise.
5641 (objc_cls_refs_section): Likewise.
5642 * config/darwin.c (darwin_asm_output_anchor): New
5644 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5646 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5648 Fix PR tree-optimization/26443
5649 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5650 to todo and PROP_tmt_usage to properties_destroyed.
5651 * tree-ssa-ccp.c (pass_ccp): Ditto.
5652 (pass_store_ccp): Ditto.
5653 * tree-ssa-dom.c (pass_dominator): Ditto.
5655 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5657 * tree-ssa-operands.c: Cleanup whitespace.
5658 (get_asm_expr_operands): Move before first invocation.
5659 (get_indirect_ref_operands): Likewise.
5660 (get_tmr_operands): Likewise.
5661 (get_call_expr_operands): Likewise.
5662 (append_def): Likewise.
5663 (append_use): Likewise.
5664 (append_v_may_def): Likewise.
5665 (append_v_must_def): Likewise.
5666 (add_call_clobber_ops): Likewise.
5667 (add_call_read_ops): Likewise.
5668 (add_stmt_operand): Likewise.
5669 (add_virtual_operand): Likewise.
5670 (build_ssa_operands): Likewise.
5672 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5677 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5678 with a call expr to ...
5679 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5681 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5683 * tree-vrp.c (extract_range_from_assert): Remove special
5684 handling for types with super-types.
5686 2006-03-01 Ben Elliston <bje@au.ibm.com>
5688 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5689 and powerpc64-*-linux* configurations.
5690 * config/t-dfprules: New file.
5692 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5693 Compile dfp-bit.c from the source directory using -DWIDTH and
5694 $DFP_CFLAGS to control the compilation of that file, rather than
5695 generating width-specific versions in the build directory.
5696 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5697 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5699 2006-02-28 Zack Weinberg <zackw@panix.com>
5701 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5704 2006-02-28 Eric Christopher <echristo@apple.com>
5706 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5707 Set up IN_LIBGCC definition of TARGET_64BIT.
5708 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5710 2006-02-28 Roger Sayle <roger@eyesopen.com>
5713 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5714 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5715 cases via the construction of "expr != 0".
5717 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5719 * alias.c (alias_invariant, alias_invariant_size): Remove.
5720 (record_base_value): Remove.
5721 (memrefs_conflict_p): Don't look at alias_invariant.
5722 (end_alias_analysis): Don't free it.
5723 * alias.h (record_base_value): Remove prototype.
5725 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5726 Adam Nemet <anemet@caviumnetworks.com>
5728 * rtl.h (truncated_to_mode): Declare it.
5729 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5730 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5731 (RTL_HOOKS_INITIALIZER): Include it.
5732 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5733 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5734 reg_truncated_to_mode.
5735 * rtlanal.c (truncated_to_mode): Define it.
5736 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5738 2006-02-28 Jeff Law <law@redhat.com>
5740 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5741 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5742 the range allowed by TYPE_PRECISION.
5744 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5746 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5748 PR tree-optimization/26419
5749 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5752 2006-02-27 Zack Weinberg <zackw@panix.com>
5754 * doc/md.texi: Fix typo in previous change.
5756 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5760 2006-02-27 Zack Weinberg <zackw@panix.com>
5762 * rtl.def (define_constraint, define_register_constraint)
5763 (define_memory_constraint, define_address_constraint): New MD forms.
5764 * gensupport.c (process_rtx): Put define_constraint etc on the
5766 * genpreds.c (process_define_predicate): Adjust comment. Validate
5767 the name, and call validate_exp to validate the expression.
5768 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5769 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5770 all callers changed.
5771 (validate_exp, needs_variable, struct constraint_data)
5772 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5773 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5774 (const_dbl_constraints, constraint_max_namelen)
5775 (have_register_constraints, have_memory_constraints)
5776 (have_address_constraints, have_address_constraints)
5777 (have_extra_constraints, have_const_int_constraints)
5778 (have_const_dbl_constraints, mangle, add_constraint)
5779 (process_define_constraint, process_define_register_constraint)
5780 (write_enum_constraint_num, write_lookup_constraint)
5781 (write_insn_constraint_len, write_regclass_for_constraint)
5782 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5783 (write_insn_extra_memory_constraint)
5784 (write_insn_extra_address_constraint)
5785 (write_satisfies_constraint_fns): New.
5786 (write_tm_preds_h): If we have new-style constraint definitions,
5787 prototype the functions generated from them, and define the
5788 old constraint interface (still used by generic code) in terms of
5790 (write_insn_preds_c): If we have new-style constraint definitions,
5791 generate all relevant functions from those definitions.
5792 (main): Handle define_constraint etc.
5793 * genoutput.c (struct constraint_data, indep_constraints)
5794 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5795 (mdep_constraint_len): New data structures and functions, defined
5796 #ifdef USE_MD_CONSTRAINTS.
5797 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5798 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5799 use new logic to validate operand constraints against constraint
5801 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5803 * defaults.h: If none of the old-style constraint macros are
5804 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5805 old-style macros; and poison REG_CLASS_FROM_LETTER,
5806 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5808 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5809 * doc/md.texi: Document new constraint-definition mechanism and the
5810 C interface it provides. Remove references to old mechanism
5811 elsewhere in the document.
5812 (Machine Constraints): Use pathnames relative to gcc directory,
5813 i.e. config/ARCH/FILE. Change i386 section to refer to
5814 config/i386/predicates.md; update that section to match docstrings.
5815 * doc/tm.texi: Move all documentation of the old constraint-
5816 definition macros to their own section, clearly mark as obsolete.
5818 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5819 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5821 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5822 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5823 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5825 (splits and peepholes): Use satisfies_constraint_*.
5826 * config/i386/i386.c (memory_address_length)
5827 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5829 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5831 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5832 scalar operation to be put back into the loop.
5834 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5837 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5838 (extract_cie_info): Handle S flag in augmentation string.
5839 (execute_cfa_program): If context->signal_frame, execute also
5840 fs->pc == context->ra instructions.
5841 (uw_frame_state_for): If context->signal_frame, don't subtract one
5842 from context->ra to find FDE.
5843 (uw_update_context_1): Set context->signal_frame to
5845 (_Unwind_GetIPInfo): New function.
5846 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5847 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5849 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5850 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5851 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5852 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5853 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5854 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5855 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5856 x86_64_fallback_frame_state): Set fs->signal_frame.
5857 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5858 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5859 (frob_update_context): Likewise. Workaround missing S flag in
5860 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5861 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5862 Remove the psw_addr + 1 hack.
5864 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5866 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5867 with aggregates here.
5868 (find_func_aliases): Remove code for &<aggregate> from here.
5870 2006-02-26 Roger Sayle <roger@eyesopen.com>
5872 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5873 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5874 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5877 2006-02-26 Roger Sayle <roger@eyesopen.com>
5880 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5882 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5884 * opts.c (decode_options): Do not handle flag_strength_reduce.
5885 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5886 and OPT_fstrength_reduce.
5887 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5888 flag_prefetch_loop_arrays for being nonzero.
5889 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5891 (fprefetch-loop-arrays-rtl): Removed.
5892 (flag_prefetch_loop_arrays): Do not specify the value.
5894 * doc/passes.texi: Update documentation of loop optimizer
5896 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5897 -frerun-loop-opt): Remove.
5899 2006-02-26 Richard Guenther <rguenther@suse.de>
5901 PR tree-optimization/26421
5902 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5903 in function calls that are ADDR_EXPRs as using the whole structure.
5905 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5907 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5908 * tree-pass.h (pass_loop_optimize): Remove.
5909 * passes.c (pass_loop_optimize): Never run it.
5910 * toplev.c (backend_init): Don't call init_loop.
5911 * opts.c (flag_loop_optimize_set): Remove.
5912 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5913 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5914 the old RTL loop optimizer when profiling enabled.
5915 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5916 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5917 pre-headers for the sake of the old RTL loop optimizer.
5918 * Makefile.in: Remove all references to loop.o.
5920 * doc/invoke.texi: Remove all references to -floop-optimize
5921 and -frerun-loop-opt.
5923 2006-02-26 Zack Weinberg <zackw@panix.com>
5925 * doc/md.texi (Machine Constraints): Refer to all files with paths
5926 relative to gcc directory (i.e. config/CPU/file). Add missing
5927 @table @code ... @end table to M32C subsection.
5929 2006-02-26 Roger Sayle <roger@eyesopen.com>
5931 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5933 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5935 2006-02-26 Roger Sayle <roger@eyesopen.com>
5936 James A. Morrison <phython@gcc.gnu.org>
5939 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5940 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5941 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5942 signedness of the shift operation.
5944 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5946 PR tree-optimization/26359
5947 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5949 2006-02-25 Roger Sayle <roger@eyesopen.com>
5951 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5952 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5953 as X == 0, and some symmetry related transformations.
5954 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5956 2006-02-25 Roger Sayle <roger@eyesopen.com>
5959 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5960 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5961 symmetry related transformations. Fold (X^C1) == C2 as
5964 2006-02-25 Juergen Weigert <jw@suse.de>
5965 Richard Guenther <rguenther@suse.de>
5967 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5969 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5971 * combine.c (gen_lowpart_or_truncate): Call
5972 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5974 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5976 * doc/invoke.texi: Move -fopenmp description to "Options for
5978 Remove reference to -lgomp.
5980 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5982 * doc/install.texi: Require GNU tar version 1.14.
5984 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5986 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5987 * doc/invoke.texi (C++ Dialect Options): Document
5988 -fno-use-cxa-get-exception-ptr.
5989 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5990 * configure: Regenerate.
5991 * c.opt (fuse-cxa-get-exception-ptr): New.
5992 * c-opts.c (c_common_handle_option): Handle
5993 OPT_fuse_cxa_get_exception_ptr.
5994 * c-common.c (flag_use_cxa_atexit): Update documentation.
5995 (flag_use_cxa_get_exception_ptr): New.
5996 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5997 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5999 (C_COMMON_OVERRIDE_OPTIONS): New.
6001 2006-02-24 Roger Sayle <roger@eyesopen.com>
6004 * combine.c (try_combine): Explicitly check whether GET_CODE is
6005 a SET or a CLOBBER, instead on checking that it isn't a USE.
6007 2006-02-24 Roger Sayle <roger@eyesopen.com>
6009 * fold-const.c (fold_comparison): New subroutine of fold_binary
6010 containing transformations common to both the equality and
6011 ordering relational operators, factored out of fold_binary.
6012 (fold_binary): Separate out the equality operators (EQ_EXPR
6013 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6014 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6015 transformations common to both.
6016 (fold_div_compare): Fix latent bugs in the previously unreachable
6017 LT_EXPR and GE_EXPR cases.
6019 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6021 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6022 decl libname for clog to __clog on AIX.
6024 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6026 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6029 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6030 output traceback table for thunks. Localise rs6000_stack_info call.
6032 2006-02-23 Roger Sayle <roger@eyesopen.com>
6033 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6035 * gthr-posix.h (__gthrw): Fix typo in comment.
6037 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6039 * doc/cpp.texi (Character sets): Document that we do support
6040 input files to be in any character set.
6042 2006-02-23 Jeff Law <law@redhat.com>
6044 * tree.h (PHI_ARG_NONZERO): Remove.
6045 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6046 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6047 node to the new node.
6049 PR tree-optimization/26425
6050 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6051 min/max, then assume its varying.
6053 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6055 PR rtl-optimization/26316
6056 * rtlanal.c (enum may_trap_p_flags): New.
6057 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6058 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6059 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6060 (may_trap_after_code_motion_p): New function.
6061 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6062 (find_invariant_insn): Use may_trap_after_code_motion_p.
6063 * rtl.h (may_trap_after_code_motion_p): Declare.
6065 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6067 * emit-rtl.c (immed_double_const): Cleanup.
6069 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6071 Fix PR tree-optimization/26376
6072 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6075 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6078 * gimplify.c (omp_add_variable): Guard variable size decl test with
6079 DECL_SIZE (decl) check.
6081 2006-02-23 Richard Guenther <rguenther@suse.de>
6084 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6085 like aggregate types.
6087 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6089 * configure.ac: Add --with{,out}-long-double-128 configure option.
6090 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6091 * configure: Rebuilt.
6092 * config.in: Rebuilt.
6093 * doc/install.texi (Options specification): Document
6094 --with-long-double-128.
6096 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6097 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6098 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6099 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6101 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6103 * config/s390/s390.c (override_options): Handle
6104 TARGET_DEFAULT_LONG_DOUBLE_128.
6106 * config/alpha/alpha.c (override_options): Handle
6107 TARGET_DEFAULT_LONG_DOUBLE_128.
6109 * config/sparc/sparc.c (sparc_override_options): Handle
6110 TARGET_DEFAULT_LONG_DOUBLE_128.
6112 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6114 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6115 (real-install-headers-tar, real-install-headers-cpio)
6116 (real-install-headers-cp): New targets.
6118 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6120 * tree.h (variable_section): Delete.
6121 * varasm.c (variable_section): Delete.
6123 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6125 * install.texi: Add notes on install.texi2html.
6126 (Building in parallel): Do not use footnotes.
6128 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6131 * doc/install.texi (Configuration): Document --disable-libgomp.
6133 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6135 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6137 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6139 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6140 (vec_extractv2df_0_sse): New.
6142 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6144 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6145 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6146 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6147 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6148 to the result of the expression.
6149 (def_cfa_1): Adjust.
6150 (frame_pointer_cfa_offset): Rename to...
6151 (frame_pointer_fb_offset): ... this. Adjust all uses.
6152 (convert_cfa_to_loc_list): Rename to...
6153 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6154 Pass it on to build_cfa_loc.
6155 (compute_frame_pointer_to_cfa_displacement): Rename to...
6156 (compute_frame_pointer_to_fb_displacement): ... this. New
6157 offset parameter. Use it in computation.
6158 (gen_subprogram_die): Compute cfa_fb_offset with the new
6159 macro, and use it to compute the fb loc list and the
6162 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6164 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6165 replaced with register_operand.
6166 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6167 non-DREG is expensive.
6168 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6169 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6172 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6174 * doc/install.texi2html: Use set -e.
6176 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6178 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6179 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6180 * doc/invoke.texi (-fshared-data): Delete.
6181 * common.opt (fshared-data): Delete.
6182 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6183 (assemble_static_space): Remove #if 0 code.
6184 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6185 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6186 * config/cris/cris.h: Remove FIXME.
6188 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6190 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6193 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6196 * combine.c (simplify_shift_const_1): Disable nested shifts
6197 optimization for vector shifts.
6199 2006-02-20 Roger Sayle <roger@eyesopen.com>
6201 PR tree-optimization/26361
6202 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6203 of unsigned integer types.
6205 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6207 * tree-chrec.c (eq_evolutions_p): New.
6208 * tree-chrec.h (eq_evolutions_p): Declared.
6209 * tree-data-ref.c: Fix formatting.
6210 (datadep_stats, dependence_stats): New.
6212 (print_direction_vector): New.
6213 (dump_data_dependence_relation): Use print_direction_vector.
6214 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6215 (compute_subscript_distance): Static.
6216 (initialize_data_dependence_relation): Static. Get the number
6217 of loops surrounding the references from the callers, and initialize
6218 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6219 base_object_differ_p analyzers.
6220 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6221 compute_overlap_steps_for_affine_1_2,
6222 analyze_subscript_affine_affine): Count the classified dependences.
6223 Print a message when a test failed.
6224 (can_use_analyze_subscript_affine_affine): New.
6225 (analyze_siv_subscript): Compute the data dependences on symbolic
6226 scevs that verify can_use_analyze_subscript_affine_affine.
6227 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6228 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6229 Handle symbolic scevs.
6230 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6232 (subscript_dependence_tester): Moved...
6233 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6234 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6235 DDR_SIZE_VECT instead of getting it in parameter.
6236 (subscript_dependence_tester): ... here. Take as a parameter
6237 loop_nest_depth. Call build_classic_dist_vector and
6238 build_classic_dir_vector.
6239 (compute_affine_dependence): Update subscript_dependence_tester
6240 parameters. Update datadep_stats counters. Call
6241 compute_subscript_distance.
6242 (compute_self_dependence): Save the dist and dir vectors. Call
6243 compute_subscript_distance.
6244 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6245 (compute_all_dependences): Reorder parameters as they were before
6246 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6247 compute_subscript_distance. Update the use of
6248 compute_affine_dependence and initialize_data_dependence_relation.
6249 (find_data_references_in_loop): Handle COMPONENT_REF.
6250 (compute_data_dependences_for_loop): Initialize dependence_stats.
6251 Don't call build_classic_dist_vector and build_classic_dir_vector.
6252 Update the parameters of initialize_data_dependence_relation and
6253 compute_all_dependences. Print the statistics from datadep_stats.
6254 (analyze_all_data_dependences): Static. Not used until the pass for
6255 checking the data dependences is contributed.
6256 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6257 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6258 (initialize_data_dependence_relation, compute_affine_dependence,
6259 analyze_all_data_dependences, compute_subscript_distance): Removed.
6260 (print_direction_vector): New.
6261 * lambda.h (gcd): ... here.
6262 (lambda_vector_gcd): Moved here from gcd_vector.
6263 * lambda-code.c (gcd, gcd_vector): Removed.
6264 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6265 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6267 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6269 * ipa-type-escape.c: Tidy some comments and white space.
6270 * tree-ssa-operands.c: Likewise.
6272 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6275 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6276 (dump_decl_name): Do not walk the decl tree chains.
6277 * tree-pass.h (TDF_CHAIN): Remove.
6279 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6281 * Makefile.in (C): Remove
6283 (.PHONY): Remove C and PROTO
6285 2006-02-20 Roger Sayle <roger@eyesopen.com>
6288 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6289 deprecated CHAR_TYPE tree code.
6291 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6293 * configure.ac (target_list): Add install-info, dvi, html.
6294 * configure: Regenerate.
6296 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6297 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6298 treelang/Make-lang.in: Do not use double-colon rules.
6300 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6302 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6303 (TMT_USED_ALONE): New macro.
6304 * tree-pass.h (PROP_tmt_usage): New property.
6305 (TODO_update_tmt_usage): New todo.
6306 * tree-ssa-alias.c (updating_used_alone): New variable.
6307 (recalculate_used_alone): New function.
6308 (compute_may_aliases): Set updating_used_alone, call
6309 recalculate_used_alone.
6310 * tree-sra.c (pass_sra): Note that this pass destroys
6311 PROP_tmt_usage, and add TODO_update_tmt_usage.
6312 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6313 * tree-flow.h (updating_used_alone): Prototype.
6314 (recalculate_used_alone): Ditto.
6315 * passes.c (execute_todo): Add code to set updating_used_alone,
6316 and call recalculate.
6317 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6318 for clobber if used alone, and add assert to verify used_alone
6321 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6323 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6324 for non tls symbols added.
6325 (legitimize_address): Do nothing for PLUS expressions if one of the
6326 addends is a tls symbol reference.
6328 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6332 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6334 * Makefile.in (BOOTSTRAPPING): New.
6335 (quickstrap): New definition if BOOTSTRAPPING=yes.
6337 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6338 * configure.ac: Substitute all_selected_languages with the languages
6339 that were configured. For all the other variables except
6340 lang_specs_files, include all the languages in the tree.
6341 * configure: Regenerate.
6343 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6344 if there is one. Run the commands to run fixincludes in the same
6347 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6348 * doc/install.texi: Document exact conventions for searching target tools.
6349 Document --with-build-time-tools. Document toplevel bootstrap. Document
6350 something more about building an Ada cross-compiler. Don't list GNU Make
6351 requirements which affect all platforms.
6353 2006-02-19 Roger Sayle <roger@eyesopen.com>
6356 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6357 only equivalent if the have both the same mode and precision.
6359 2006-02-20 Ben Elliston <bje@au.ibm.com>
6361 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6363 2006-02-19 Roger Sayle <roger@eyesopen.com>
6364 Steven Bosscher <stevenb.gcc@gmail.com>
6366 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6367 constant pool references to identify stack mode constants.
6368 * rtlanal.c (constant_pool_constant_p): New predicate to check
6369 whether operand is a floating point constant in the pool.
6370 * rtl.h (constant_pool_constant_p): Prototype here.
6371 * loop.c (scan_loop): Avoid hoisting constants from the constant
6372 pool on STACK_REGS targets.
6373 (load_mems): Likewise.
6374 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6375 loads into x87 registers expensive in terms of register pressure.
6377 2006-02-19 Roger Sayle <roger@eyesopen.com>
6379 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6380 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6382 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6384 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6385 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6387 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6389 * doc/invoke.texi: Document -fipa-pta.
6390 * common.opt: Add ipa-pta option.
6391 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6392 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6393 (do_ds_constraint): Ditto.
6394 (get_constraint_for): Only add to referenced_vars if
6395 referenced_vars exists.
6396 (insert_into_field_list): Rewrite to do this unsorted.
6397 (insert_into_field_list_sorted): Rename old insert_into_field_list
6399 (create_function_info_for): Use insert_into_field_list_sorted.
6400 (create_variable_info_for): Rewrite so it uses unsorted version,
6401 since the field list is sorted.
6402 (intra_create_variable_infos): Only add to referenced_vars if
6403 referenced_vars exists.
6404 (ipa_pta_execute): Init heapvars, and delete when done.
6405 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6407 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6409 * doc/install.texi: Add missing `@samp'.
6411 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6413 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6416 2006-02-18 Mark Wielaard <mark@klomp.org>
6418 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6419 who added new 4.1 features, bug fixes and integration support.
6421 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6424 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6427 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6429 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6430 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6431 (copy_insn_1): Likewise. Don't copy each field individually.
6433 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6435 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6436 * rtl.c (rtx_size): Rename variable to...
6437 (rtx_code_size): ...this.
6438 (rtx_size): New function.
6439 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6440 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6442 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6443 * rtl.h (rtx_code_size): New variable.
6444 (rtx_size): Change from a variable to a function.
6445 (RTX_SIZE): Rename to...
6446 (RTX_CODE_SIZE): ...this.
6449 PR tree-optimization/17106
6450 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6451 (Anchored Addresses): New section.
6452 * doc/invoke.texi (-fsection-anchors): Document.
6453 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6454 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6455 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6456 * hooks.c (hook_bool_mode_rtx_false): New function.
6457 * hooks.h (hook_bool_mode_rtx_false): Declare.
6458 * gengtype.c (create_optional_field): New function.
6459 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6460 SYMBOL_REF_IN_BLOCK_P is true.
6461 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6462 (min_anchor_offset, max_anchor_offset): Likewise.
6463 (use_anchors_for_symbol_p): New hook.
6464 * toplev.c (compile_file): Call output_object_blocks.
6465 (target_supports_section_anchors_p): New function.
6466 (process_options): Check that -fsection-anchors is only used on
6467 targets that support it and when -funit-at-a-time is in effect.
6468 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6469 if the decl doesn't have one.
6470 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6471 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6472 of force_const_mem through use_anchored_address.
6473 (expand_expr_constant): New function.
6474 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6475 calling expand_expr for INDIRECT_REF.
6476 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6477 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6478 * expr.h (use_anchored_address): Declare.
6479 * loop-unroll.c: Don't declare rtx vectors here.
6480 * explow.c: Include output.h.
6481 (validize_mem): Call use_anchored_address.
6482 (use_anchored_address): New function.
6483 * common.opt (-fsection-anchors): New switch.
6484 * varasm.c (object_block_htab, anchor_labelno): New variables.
6485 (hash_section, object_block_entry_eq, object_block_entry_hash)
6486 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6487 (use_blocks_for_decl_p, change_symbol_section): New functions.
6488 (get_variable_section): New function, split out from assemble_variable.
6489 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6490 use_blocks_for_decl_p say so. Use change_symbol_section if the
6491 symbol has already been created.
6492 (assemble_variable_contents): New function, split out from...
6493 (assemble_variable): ...here. Don't output any code for
6494 block symbols; just pass them to place_block_symbol.
6495 Use get_variable_section and assemble_variable_contents.
6496 (get_constant_alignment, get_constant_section, get_constant_size): New
6497 functions, split from output_constant_def_contents.
6498 (build_constant_desc): Create a block symbol if use_object_blocks_p
6499 says so. Or into SYMBOL_REF_FLAGS.
6500 (assemble_constant_contents): New function, split from...
6501 (output_constant_def_contents): ...here. Don't output any code
6502 for block symbols; just pass them to place_section_symbol.
6503 Use get_constant_section and get_constant_alignment.
6504 (force_const_mem): Create a block symbol if use_object_blocks_p and
6505 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6506 (output_constant_pool_1): Add an explicit alignment argument.
6507 Don't switch sections here.
6508 (output_constant_pool): Adjust call to output_constant_pool_1.
6509 Switch sections here instead. Don't output anything for block symbols;
6510 just pass them to place_block_symbol.
6511 (init_varasm_once): Initialize object_block_htab.
6512 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6513 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6514 (place_block_symbol, get_section_anchor, output_object_block)
6515 (output_object_block_htab, output_object_blocks): New functions.
6516 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6517 (TARGET_ASM_OUT): Include it.
6518 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6519 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6520 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6521 (TARGET_INITIALIZER): Include them.
6522 * rtl.c (rtl_check_failed_block_symbol): New function.
6523 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6524 (block_symbol, object_block): New structures.
6525 (rtx_def): Add a block_symbol field to the union.
6526 (BLOCK_SYMBOL_CHECK): New macro.
6527 (rtl_check_failed_block_symbol): Declare.
6528 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6529 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6530 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6531 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6532 * output.h (output_section_symbols): Declare.
6533 (object_block): Name structure.
6534 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6535 (default_use_anchors_for_symbol_p): Declare.
6536 * Makefile.in (RTL_BASE_H): Add vec.h.
6537 (explow.o): Depend on output.h.
6538 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6539 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6540 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6541 (rs6000_use_blocks_for_constant_p): New function.
6543 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6545 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6547 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6550 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6553 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6555 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6559 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6562 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6563 instead of DECL_REGISTER.
6565 2006-02-18 Olivier Hainque <hainque@adacore.com>
6568 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6570 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6573 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6574 * opth-gen.awk: Handle Var and InverseMask together.
6575 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6576 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6577 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6578 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6580 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6581 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6582 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6583 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6584 LINUX_DYNAMIC_LINKER): Define.
6585 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6586 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6588 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6589 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6590 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6592 (TARGET_C99_FUNCTIONS): Don't define.
6593 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6594 GLIBC_DYNAMIC_LINKER.
6595 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6596 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6597 GLIBC_DYNAMIC_LINKER64): Define.
6598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6599 LINUX_DYNAMIC_LINKER64.
6600 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6602 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6604 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6606 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6607 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6608 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6610 and LINUX_DYNAMIC_LINKER32.
6611 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6612 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6613 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6615 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6617 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6618 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6619 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6620 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6621 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6622 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6623 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6624 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6625 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6626 LINUX_DYNAMIC_LINKER): Define.
6627 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6628 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6629 GLIBC_DYNAMIC_LINKER64): Define.
6630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6631 LINUX_DYNAMIC_LINKER64.
6632 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6633 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6634 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6635 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6636 LINUX_DYNAMIC_LINKER): Define.
6637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6638 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6639 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6640 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6641 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6642 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6643 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6644 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6645 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6646 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6648 * doc/invoke.texi (-muclibc): Remove caveat about supported
6651 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6653 * doc/cpp.texi (__TIMESTAMP__): Document.
6655 2006-02-17 Roger Sayle <roger@eyesopen.com>
6658 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6659 C is one less than the width of X (and related transformations).
6660 * simplify-rtx.c (simplify_unary_operation_1): Transform
6661 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6662 depending on STORE_FLAG_VALUE, were C is one less then the
6665 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6667 Fix PR tree-optimization/26341
6668 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6669 about NAME_MEMORY_TAG's.
6671 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6674 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6675 with hardware float support, and software float support. Add fcpy
6676 alternative to hardware patterns. Add alternatives to copy between
6677 general and floating-point registers to the 32-bit pattern.
6678 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6679 secondary reload to load a QI or HI mode constant into a floating
6681 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6682 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6684 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6687 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6689 (load_macho_picbase_di): Likewise.
6691 2006-02-16 Jeff Law <law@redhat.com>
6693 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6694 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6695 (ssa_name_nonzero_p): Likewise.
6696 (get_value_range): Return NULL if VRP is not running.
6697 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6698 VRP routines do not discover a range.
6699 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6700 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6701 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6702 (tree_expr_nonnegative_p): Similarly.
6703 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6704 (restore_nonzero_vars_to_original_value): Remove.
6705 (unsafe_associative_fp_binop): Remove.
6706 (tree_ssa_dominator_optimize): Remove initialization and
6707 finalization of nonzero_vars and nonzero_vars_stack.
6708 (dom_opt_initialize_block): No longer push marker on
6710 (dom_opt_finalize_block): No longer call
6711 restore_nonzero_vars_to_original_value.
6712 (record_equivalences_from_phis): No longer look for
6713 nonzero PHI arguments.
6714 (cprop_into_successor_phis): No longer propagate nonzero
6715 property into PHI arguments. Lose unused argument. Caller
6717 (record_equivalences_from_stmt): No longer record nonzero
6718 values for SSA_NAMEs.
6719 (lookup_avail_expr): No longer use nonzero_vars.
6721 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6722 for sizetype when sizetype is unsigned.
6724 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6726 PR rtl-optimization/25603
6727 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6728 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6729 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6730 with new meaning of SETS.
6732 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6737 * config/linux.opt: New file.
6738 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6739 LINUX_DYNAMIC_LINKER): Define.
6740 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6741 * config.gcc (*-*-linux*): Define extra_options.
6742 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6743 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6744 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6745 GLIBC_DYNAMIC_LINKER.
6746 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6747 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6748 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6750 * doc/invoke.texi (GNU/Linux Options): New section.
6752 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6754 * config/sparc/sparc.md (setjmp): Rewrite.
6755 (setjmp_32): Delete.
6756 (setjmp_64): Likewise.
6758 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6760 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6763 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6765 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6768 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6770 PR rtl-optimization/26296
6771 * Makefile.in (loop-invariant.c): Add except.h dependency.
6772 * loop-invariant.c: Include except.h.
6773 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6775 2005-02-16 Paul Brook <paul@codesourcery.com>
6777 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6780 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6782 PR rtl-optimization/25636
6783 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6784 when deciding whether an insn is an initializing insn.
6786 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6788 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6789 (tree_code_size): Ditto.
6790 * tree.h (struct tree_memory_tag): Remove parent_var.
6791 (struct tree_struct_field_tag): New.
6794 (union tree_node): Add sft member.
6795 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6797 (create_sft): Add size and offset argument, set SFT_OFFSET and
6799 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6800 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6801 * tree-flow-inline.h (get_subvar_at): Update for
6802 SFT_OFFSET/SFT_SIZE.
6803 (var_can_have_subvars): Ditto.
6804 (overlap_subvar): Ditto.
6805 * print-tree.c (print_node): Print out interesting things for
6807 * tree-flow.h (struct subvar): Remove offset and size members.
6808 * tree-ssa-operands.c (get_expr_operands): Update for
6809 get_indirect_ref_operands changes.
6810 (get_indirect_ref_operands): Call add_virtual_operand instead of
6811 add_stmt_operand. Only recurse on base var if requested.
6812 (access_can_touch_variable): New function.
6813 (add_stmt_operand): Split virtual operand handling into ...
6814 (add_virtual_operand): Here. Add offset, size, and for_clobber
6815 arguments. Prune alias sets.
6816 (add_call_clobber_ops): Call add_virtual_operand.
6818 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6821 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6823 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6824 than TREE_CODE as index into omp_clause_num_ops array.
6826 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6828 PR rtl-optimization/26184
6829 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6831 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6832 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6833 must_precede, must_follow and tobe_scheduled.
6836 * opts.c (common_handle_option): Free new_option pointer.
6837 * df-core.c (df_analyze): Free postorder pointer.
6839 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6841 * Makefile.in: Fix the examples about the use of stamps
6843 2006-02-15 Michael Matz <matz@suse.de>
6847 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6848 influenced by maximum_field_alignment or DECL_PACKED.
6849 (update_alignment_for_field): Ditto.
6850 (place_field): Ditto.
6851 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6854 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6856 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6857 (debug_flow_info): Pass it.
6858 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6859 * bb-reorder.c (reorder_basic_blocks): Likewise.
6860 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6861 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6862 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6863 * gcse.c (gcse_main, bypass_jumps): Likewise.
6864 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6865 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6866 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6867 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6868 * rtl.h (dump_flow_info): Adjust prototype.
6869 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6870 * var-tracking.c (variable_tracking_main): Likewise.
6871 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6872 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6875 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6877 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6880 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6882 PR tree-optimization/26209
6883 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6884 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6886 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6888 2006-02-14 Roger Sayle <roger@eyesopen.com>
6891 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6892 (X,Y) and the corresponding symmetry related transformations.
6893 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6894 (X,Y) and its symmetry related transformations.
6896 2006-02-14 Roger Sayle <roger@eyesopen.com>
6898 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6901 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6903 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6905 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6908 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6909 support COMDAT group.
6910 * configure: Regenerate.
6912 2006-02-14 Roger Sayle <roger@eyesopen.com>
6917 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6919 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6921 Fix PR tree-optimization/26260
6923 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6925 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6926 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6927 * tree-ssa-structalias.c (create_variable_info_for): Use
6928 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6930 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6932 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6934 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6935 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6936 of the ending condition.
6937 * tree-ssa-loop-manip.c: Include params.h.
6938 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6939 tree_unroll_loop): New functions.
6940 * tree-pass.h (pass_loop_prefetch): Declare.
6941 * loop.c (rest_of_handle_loop_optimize): Test for
6942 -fprefetch-loop-arrays-rtl.
6943 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6944 * timevar.def (TV_TREE_PREFETCH): New timevar.
6945 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6946 pass_loop_prefetch): New.
6947 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6948 (cleanup_tree_cfg_loop): Call scev_reset.
6949 * common.opt (fprefetch-loop-arrays-rtl): Add.
6950 * tree-ssa-loop-prefetch.c: New file.
6951 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6952 (new_temp_expr_table): Initialize expr_vars.
6953 (free_temp_expr_table): Cleanup expr_vars.
6954 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6955 expressions from being merged into one.
6956 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6957 (struct tree_niter_desc): Add control, bound and cmp fields.
6958 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6960 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6961 (tree-cfgcleanup.o): Add SCEV_H dependency.
6962 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6963 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6965 2006-02-14 Richard Guenther <rguenther@suse.de>
6967 PR tree-optimization/26258
6968 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6969 in PHI argument processing.
6971 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6973 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6974 new expression in the requested machine mode.
6976 2006-02-13 Roger Sayle <roger@eyesopen.com>
6978 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6979 directly, instead let do_compare_rtx_and_jump handle this for us.
6980 * expr.c (expand_expr_real_1): Likewise.
6981 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6982 before do_jump_by_parts_greater.
6983 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6984 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6986 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6988 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6990 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6992 PR rtl-optimization/26235
6993 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6994 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6997 2006-02-13 Jeff Law <law@redhat.com>
6999 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7002 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7005 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7006 twice if decl is a builtin. When trying again, call get_callee_fndecl
7007 first to verify it is still a builtin.
7009 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7011 * dwarf2out.c (base_type_die): Don't add AT_name here.
7012 (subrange_type_die): Don't add AT_name here.
7013 (modified_type_die): Rearrange code flow. Do add AT_name here.
7015 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7017 PR rtl-optimization/26247
7018 PR rtl-optimization/26248
7019 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7021 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7023 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7024 * config/fixtfdi.c: Likewise.
7025 * config/fixunstfdi.c: Likewise.
7026 * config/floatditf.c: Likewise.
7028 2006-02-13 Roger Sayle <roger@eyesopen.com>
7031 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7032 into (X,C2) if C1 is a subset of the bits of C2. Transform
7033 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7035 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7037 2006-02-13 Josh Conner <jconner@apple.com>
7040 * varasm.c (function_section): Check for section name before
7041 calling select_section on targets that define
7042 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7043 unlikely_text_section instead of hot_function_section if
7044 first_function_block_is_cold.
7046 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7049 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7051 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7053 PR rtl-optimization/26222
7054 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7055 after tree->rtl expansion.
7056 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7057 before passing it to emit_move_insn.
7059 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7061 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7063 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7064 Clarify documentation.
7065 * c-common.h (warn_write_strings): Remove.
7066 * c-common.c (warn_write_strings): Likewise.
7067 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7070 2006-02-12 Roger Sayle <roger@eyesopen.com>
7073 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7074 (do_jump_parts_zero_rtx): New function renamed from
7075 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7076 (do_jump_parts_equality_rtx): New function split out from
7077 do_jump_parts_equality. Old implementation renamed as above.
7078 Call do_jump_parts_zero_rtx if either operand is zero.
7079 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7080 do all of the heavy lifting.
7081 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7082 calling either do_jump_by_parts_greater_rtx or
7083 do_jump_by_parts_equality_rtx.
7084 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7085 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7086 moved to do_compare_rtx_and_jump, call it directly.
7087 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7088 mode argument. Call do_compare_rtx_and_jump.
7089 (emit_case_nodes): Update calls to do_jump_if_equal.
7091 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7093 PR rtl-optimization/26225
7094 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7096 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7098 PR rtl-optimization/26232
7099 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7101 2006-02-11 Jason Merrill <jason@redhat.com>
7104 * tree-inline.c (declare_return_variable): Just don't use the
7105 modify target if it's a gimple complex reg and the return slot
7108 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7110 * doc/contrib.texi: Update my entry.
7112 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7114 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7116 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7118 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7121 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7123 * doc/invoke.texi (-floop-optimize2): Removed.
7124 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7125 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7126 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7127 * common.opt (floop-optimize2): Removed.
7128 (fmove-loop-invariants): Enabled by default.
7130 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7132 * tree-if-conv.c (combine_blocks): Free the result of
7133 get_loop_exit_edges.
7135 2006-02-10 Jeff Law <law@redhat.com>
7137 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7139 PR tree-optimization/26213
7140 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7141 loop trying to follow SSA_NAME_VALUE chains.
7143 2006-02-10 Richard Guenther <rguenther@suse.de>
7145 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7146 deal with structures that end in implicitly variable sized arrays.
7148 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7150 PR rtl-optimization/24762
7151 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7154 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7156 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7157 (struct ivopts_data): Add regs_used field.
7158 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7159 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7160 instead of loop_data->regs_used;
7161 (free_loop_data): Do not free aux fields for loops.
7162 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7163 and tree_ssa_iv_optimize_finalize.
7165 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7167 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7169 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7172 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7173 computing the effective result type.
7175 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7178 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7179 (tree_overlaps_hard_reg_set): Declare.
7180 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7181 type and signature to match function type expected by walk_tree.
7182 (tree_overlaps_hard_reg_set): New function.
7183 (decl_conflicts_with_clobbers_p): Rename to:
7184 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7185 Use tree_overlaps_hard_reg_set. Changed caller.
7186 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7187 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7188 * cris.c (cris_md_asm_clobbers): Likewise.
7190 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7192 * reload1.c (emit_input_reload_insns): Delete code that tries to
7193 inherit using find_equiv_reg.
7195 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7197 * c-common.h (flag_const_strings): Don't declare.
7198 * c-common.c (flag_const_strings): Remove.
7199 * c.opt (fconst_strings): Remove.
7200 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7201 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7202 (c_common_init_options): Don't set flag_const_strings.
7203 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7205 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7207 * arm.md (tlobits_cbranch): New pattern.
7208 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7209 testing a single bit.
7211 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7214 * tree-ssa-pre.c (create_component_ref_by_pieces):
7215 Handle RETURN_DECL like VAR_DECL.
7217 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7220 * fold-const.c (fold_indirect_ref_1): Fold
7221 "*(foo *)&complexfoo" to "__real__ complexfoo"
7222 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7224 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7226 * tree-flow-inline.h (var_can_have_subvars):
7227 Volatile variables should not have subvariables.
7229 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7232 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7233 multiplying unsigned values.
7236 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7238 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7240 2006-02-08 Jason Merrill <jason@redhat.com>
7243 * tree.def: Elaborate on difference from MODIFY_EXPR.
7244 * doc/c-tree.texi (INIT_EXPR): Likewise.
7245 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7246 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7247 (gimplify_target_expr): Likewise.
7248 (gimplify_cond_expr): Remove target handling.
7249 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7250 (gimplify_expr): Clobber it here.
7251 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7252 Do return slot optimization if we have an INIT_EXPR.
7255 * tree-inline.c (declare_return_variable): Also clear
7256 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7259 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7262 * gimplify.c (gimplify_one_sizepos): Fix typo.
7264 2006-02-08 Jeff Law <law@redhat.com>
7266 PR tree-optimization/21417
7267 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7268 across a backedge if the control statement at the end of the
7269 block is data dependent on other statements in the same block.
7270 (record_temporary_equivalences_from_stmts): Remove over-conservative
7271 test for threading across backedges.
7273 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7274 control statement, handle all three special cases in the same
7275 manner as they all have the same desired solution. No longer
7276 special case edge flag updating when the post dominator is
7279 2006-02-08 Roger Sayle <roger@eyesopen.com>
7281 * tree.def (CHAR_TYPE): Remove.
7282 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7283 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7284 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7285 (gen_string_type_die): Delete unreachable function.
7287 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7288 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7289 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7290 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7291 * builtins.c (type_to_class): Likewise.
7292 * fold-const.c (fold_convert, build_range_check,
7293 merge_ranges): Likewise.
7294 * expr.c (count_type_elements): Likewise.
7295 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7296 * stor-layout.c (layout_type): Likewise.
7297 * ipa-type-escape.c (type_to_consider): Likewise.
7298 * gimplify.c (omp_firstprivatize_type_sizes,
7299 gimplify_type_sizes): Likewise.
7300 * explow.c (promote_mode): Likewise.
7301 * tree-sra.c (is_sra_scalar_type): Likewise.
7302 * varasm.c (output_constant): Likewise.
7303 * tree-inline.c (remap_type_1): Likewise.
7304 * convert.c (convert_to_pointer, convert_to_real,
7305 convert_to_integer, convert_to_complex): Likewise.
7307 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7309 * df-scan.c (df_def_record_1): A set destination may
7310 be a parallel regardless of mode.
7312 2006-02-08 Roger Sayle <roger@eyesopen.com>
7315 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7316 * config/mips/_tilib.c: Remove.
7317 * config/fixtfdi.c: New libgcc source file.
7318 * config/fixunstfdi.c: New source file.
7319 * config/floatditf.c: New source file.
7320 * config/floatunditf.c: New souce file.
7321 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7322 files above instead of config/mips/_tilib.c.
7323 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7325 2006-02-08 Jeff Law <law@redhat.com>
7327 PR tree-optimization/26169
7328 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7331 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7333 * df.h (DF_REG_SIZE): Return the length of the initialized
7336 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7338 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7339 __muldf3): Return a correctly signed zero.
7341 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7343 * passes.c (register_one_dump_file): Accept the current properties
7344 instead of pass number. Adjust call to dump_register. Remove
7346 (register_dump_files): Now a wrapper around...
7347 (register_dump_files_1): ... this one. Do not modify the pass
7349 (next_pass_1): Cosmetic fix.
7350 (execute_todo): Keep second parameter only. Use curr_properties
7351 instead of fetching it from the pass structure. Check and set
7353 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7354 instead of fetching it from the pass structure. Fix calls to
7355 execute_todo. Update curr_properties and initialize .vcg RTL dump
7356 after running the pass. Reset last_verified.
7357 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7359 (FIRST_AUTO_NUMBERED_DUMP): New.
7360 (dump_register): Remove "num" parameter, assign it within the
7362 (get_dump_file_name): Modify template for dumps.
7363 * tree-dump.h (dump_register): Adjust prototype.
7364 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7365 (PROP_trees): Add PROP_gimple_lomp.
7366 (TODO_set_props): New.
7367 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7368 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7369 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7371 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7373 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7374 (sparc64-*-linux*): Likewise.
7375 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7376 * config/sparc/t-linux: New file.
7377 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7378 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7379 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7380 -m32 -mlong-double-128.
7382 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7383 * config/alpha/t-linux: New file.
7384 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7386 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7387 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7388 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7389 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7390 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7391 (CPP_ARCH32_SPEC): Remove.
7393 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7395 PR tree-optimization/26145
7396 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7399 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7402 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7403 >= 240000 when generating code for SOM runtime.
7404 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7405 to $$dyncall when generating code for SOM runtime..
7407 2006-02-07 Dirk Mueller <dmueller@suse.com>
7410 * doc/invoke.texi (-Wsequence-point): Update documentation
7411 that -Wsequence-point is implemented for C++ as well.
7413 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7415 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7416 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7417 (LIB_SPEC): Likewise.
7418 * doc/invoke.texi (SPARC options): Document -pthread.
7420 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7422 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7425 2006-02-07 Roger Sayle <roger@eyesopen.com>
7427 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7428 Correct comment describing BOOLEAN_TYPE.
7430 2006-02-07 Dirk Mueller <dmueller@suse.com>
7432 * c.opt: C++ frontend supports -Wdiv-by-zero.
7433 * c-opts.c (c_common_handle_option): Remove dead case.
7435 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7437 * configure.ac (TLS assembler check): Do not enable TLS by
7438 default on SPARC/Solaris before version 10.
7439 * configure: Regenerate.
7441 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7443 * doc/invoke.texi (xl-compat): Document conversion and support
7446 2006-02-07 Jeff Law <law@redhat.com>
7448 * tree-vrp.c (find_conditional_asserts): Update comments.
7449 (simplify_stmt_for_jump_threading): New.
7450 (identify_jump_threads, finalize_jump_threads): New.
7451 (vrp_finalize): Call identify_jump_threads.
7452 (execute_vrp): Call finalize_jump_threads.
7453 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7454 (vrp_element, vrp_data, vrp_element_p): Remove.
7455 (vrp_hash_elt, vrp_variables_stack): Remove.
7456 (vrp_hash, vrp_eq, record_range): Remove.
7457 (simplify_cond_and_lookup_avail_expr): Remove.
7458 (extract_range_from_cond): Remove.
7459 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7460 (simplify_stmt_for_jump_threading): New.
7461 (dom_thread_across_edge): New wrapper.
7462 (tree_ssa_dominator_optimize): No longer initialize or
7463 finalize any of the VRP datastructures. Remove iteration
7464 step and simplify as a result of removal of iteration step.
7465 (pass_dominator): Perform a cfg cleanup after DOM.
7466 (dom_opt_finalize_block): Use the new common routines
7467 for threading jumps. Simplify stack management slightly.
7468 No longer need to unwind VRP state.
7469 (record_equivalences_from_incoming_edge): No longer record
7471 (eliminate_redundant_computations): No longer call
7472 simplify_cond_and_lookup_avail_expr.
7473 * tree-flow.h (potentially_threadable_block): Prototype.
7474 (thread_across_edge): Likewise.
7475 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7476 (tree-ssa-threadedge.o): Add dependencies.
7477 * tree-ssa-threadedge.c: New file.
7478 * passes.c (init_optimization_passes): Merge PHIs before
7479 calling VRP. Run VRP again late in the SSA optimization pipeline.
7481 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7483 * df-core.c (df_set_blocks): Do not dereference function pointers.
7484 (df_finish1): Likewise.
7485 (df_hybrid_search_forward): Likewise.
7486 (df_hybrid_search_backward): Likewise.
7487 (df_iterative_dataflow): Likewise.
7488 (df_analyze_problem): Likewise.
7489 (df_compact_blocks): Likewise.
7490 (df_dump): Likewise.
7491 * df-scan.c (df_rescan_blocks): Likewise.
7492 (df_record_entry_block_defs): Likewise.
7494 * genconditions.c (write_conditions): Guard the definition of
7495 'insn_conditions' with the check on GCC version.
7496 (write_writer): Guard the traversal 'insn_conditions' with
7497 the check on GCC version.
7499 2006-02-07 Richard Guenther <rguenther@suse.de>
7503 2006-01-30 Richard Guenther <rguenther@suse.de>
7505 * gimplify.c (gimplify_target_expr): Handle easy cases
7506 without creating a temporary.
7508 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7510 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7511 use of float in probability computations. Use edge probabilities
7512 in place of statically computed probabilities.
7513 (min_spec_prob): New static variable.
7514 (schedule_insns): Initialize it.
7515 (GET_SRC_PROB): Removed.
7516 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7518 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7521 * config/ia64/unwind-ia64.c: Revert last change.
7522 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7523 (INCOMING_FRAME_SP_OFFSET): Define.
7525 2006-02-06 Roger Sayle <roger@eyesopen.com>
7527 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7529 2006-02-07 Ben Elliston <bje@au.ibm.com>
7531 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7532 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7533 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7534 (ix86_return_in_memory): Handle TDmode.
7535 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7536 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7538 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7540 * reorg.c (dbr_schedule): Use dump_file instead of file.
7542 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7545 * config/ia64/predicates.md (extr_len_operand): New predicate.
7546 * config/ia64/ia64.md (extv): Tighten constraints.
7548 (*tbit_and_2): Ditto.
7549 (*tbit_and_3): Ditto.
7550 (*tbit_or_2): Ditto.
7551 (*tbit_or_3): Ditto.
7555 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7558 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7560 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7562 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7563 loop_optimizer_init and loop_optimizer_finalize
7564 * tree-ssa-sink.c (execute_sink_code): Ditto.
7565 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7566 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7567 tree_ssa_loop_done): Ditto.
7568 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7569 * sched-ebb.c: Include output.h.
7570 (schedule_ebbs): Do not use dump argument.
7571 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7572 * loop.c (loop_dump_stream): Removed.
7573 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7575 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7576 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7577 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7578 loop_iterations, strength_reduce, record_biv, record_giv,
7579 final_giv_value, check_final_value, check_ext_dependent_givs,
7580 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7581 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7582 dump_file instead of loop_dump_stream.
7583 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7585 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7587 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7588 * haifa-sched.c: Include output.h
7589 (schedule_insns, sched_init): Do not use dump argument.
7590 * mode-switching.c (optimize_mode_switching): Ditto.
7591 * modulo-sched.c (stats_file): Removed.
7592 (print_node_sched_params): Do not call argument dump_file.
7593 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7594 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7596 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7598 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7599 rtl_loop_init, rtl_loop_done): Ditto.
7600 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7601 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7603 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7604 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7605 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7606 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7607 * emit-rtl.c (renumber_insns): Ditto.
7608 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7609 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7610 * regclass.c (regclass): Ditto.
7611 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7612 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7613 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7614 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7616 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7617 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7619 * gcse.c (gcse_file, debug_stderr): Removed.
7620 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7621 rest_of_handle_gcse): Do not use dump argument.
7622 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7623 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7624 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7625 compute_code_hoist_vbeinout, compute_code_hoist_data,
7626 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7627 compute_store_table, build_store_vectors, insert_insn_start_bb,
7628 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7629 store_motion): Use dump_file instead of gcse_file.
7630 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7631 * profile.c (profile_dump_file): Removed.
7632 (branch_prob): Use dump_file instead of profile_dump_file.
7633 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7635 * tree-ssa-copy.c (dump_copy_of): Ditto.
7636 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7637 dump file to life_analysis.
7638 * bt-load.c (branch_target_load_optimize): Ditto.
7639 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7641 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7642 regclass, dbr_schedule): Declaration changed.
7643 * sched-int.h (sched_init): Declaration changed.
7644 * tree-profile.c (tree_profile_dump_file): Removed.
7645 (tree_profile_hooks): Removed profile_dump_file hook.
7646 * rtl-profile (rtl_profile_dump_file): Removed.
7647 (rtl_profile_hooks): emoved profile_dump_file hook.
7648 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7650 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7651 * tree-cfg.c (build_tree_cfg): Ditto.
7652 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7653 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7654 Declaration changed.
7655 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7656 life_analysis and schedule_insns.
7657 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7659 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7661 * config/mips/mips.c (mips_reorg): Ditto.
7662 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7665 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7667 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7668 (s390_mangle_fundamental_type): New.
7669 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7672 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7673 (alpha_mangle_fundamental_type): New.
7674 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7677 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7679 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7681 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7682 (sparc_mangle_fundamental_type): New.
7684 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7686 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7687 (s390x-*-linux*): Likewise.
7688 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7689 * config/s390/t-linux: New file.
7691 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7693 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7694 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7696 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7698 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7699 (ANTIC_SAFE_LOADS): New macro.
7700 (find_or_generate_expression): Add prototype.
7701 (set_contains_value): Allow null set for sake of not always having
7702 to allocate ANTIC_SAFE_LOADS.
7703 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7704 Allow COMPONENT_REF too.
7705 (valid_in_set): Allow COMPONENT_REF.
7706 Check ANTIC_SAFE_LOADS too.
7707 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7708 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7710 (can_PRE_operation): Add COMPONENT_REF.
7711 (create_component_ref_by_pieces): New function.
7712 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7713 (insert_aux): Move AGGREGATE_TYPE_P check here.
7714 (compute_avail): Set bb local stmt uids.
7715 (pass_pre): Use TODO_update_ssa_only_virtuals.
7717 2006-02-06 Ben Elliston <bje@au.ibm.com>
7719 * configure.ac: Unconditionally disable decimal float by default.
7720 * configure: Regenerate.
7722 2006-02-06 Ben Elliston <bje@au.ibm.com>
7724 * read-rtl.c (read_name): Terminate reading on EOF.
7726 2006-02-06 Ben Elliston <bje@au.ibm.com>
7728 * dfp.c (decimal_real_arithmetic): Change second argument type
7729 from int to enum tree_code. Do not always return true, but now
7730 return result of any call to decimal_do helper functions.
7731 * dfp.h (decimal_real_arithmetic): Update prototype.
7733 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7735 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7737 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7740 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7743 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7745 * tree-vrp.c (cfg_loops): Removed.
7746 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7747 Use current_loops instead of cfg_loops. Pass flags to
7748 loop_optimizer_init.
7749 * cfgloopmanip.c (fix_loop_structure): Update only available
7751 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7752 loop_optimizer_init.
7753 * modulo-sched.c (build_loops_structure): Removed.
7754 (sms_schedule): Use loop_optimizer_init.
7755 * loop-init.c (loop_optimizer_init): Use flags to determine
7756 which properties of loops to prepare.
7757 (rtl_loop_init): Pass flags to loop_optimizer_init.
7758 * tree-ssa-sink.c (execute_sink_code): Ditto.
7759 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7760 * tree-ssa-pre.c (init_pre): Ditto.
7761 * cfgloop.h (LOOPS_NORMAL): New.
7762 (loop_optimizer_init): Declaration changed.
7764 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7766 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7767 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7769 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7771 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7773 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7774 * pa/t-pa64: Delete quadlib.c rule.
7775 * pa/x-ada: Revert last change.
7776 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7778 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7780 PR rtl-optimization/26087
7781 * rtlanal.c (canonicalize_condition): Do not cross basic block
7784 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7787 * config/ia64/ia64.c: Include debug.h.
7788 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7789 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7790 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7791 (process_epilogue, process_set, process_for_unwind_directive):
7792 Output unwind info only if requested. Add CFA info if requested.
7793 Add new arguments as needed. Adjust callers.
7794 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7796 (DWARF2_FRAME_INFO): Define to zero.
7797 * config/ia64/unwind-ia64.c: Remove code that compensated for
7798 the CFA offset error fixed above.
7799 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7800 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7801 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7802 -funwind-tables and -fexceptions to enable frame info.
7803 (dwarf2out_frame_init): Define initial CFA even if
7804 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7805 DWARF2_UNWIND_INFO is nonzero, not just defined.
7806 (dwarf2out_frame_finish): Output non-EH call frame info only
7807 if DWARF2_FRAME_INFO is nonzero.
7808 (convert_cfa_to_loc_list,
7809 compute_frame_pointer_to_cfa_displacement): Define even if
7810 unwind info is not supported.
7811 (gen_subprogram_die): Use the above unconditionally. Remove
7812 legacy alternate code.
7813 * toplev.c (compile_file): Compile in call to
7814 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7815 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7817 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7818 Jakub Jelinek <jakub@redhat.com>
7820 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7821 IBM extended float format long double as "g" on powerpc*-linux.
7823 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7826 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7827 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7829 2006-02-03 Jason Merrill <jason@redhat.com>
7832 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7835 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7836 on the return slot if it's an NRV.
7838 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7840 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7841 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7842 rewrite_use): Do not handle USE_OUTER.
7843 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7844 add_iv_outer_candidates, may_replace_final_value,
7845 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7846 (find_interesting_uses_op): Functionality of
7847 find_interesting_uses_outer_or_nonlin moved here.
7848 (find_interesting_uses_outside): Use find_interesting_uses_op.
7850 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7853 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7855 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7856 Ulrich Weigand <uweigand@de.ibm.com>
7859 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7860 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7861 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7862 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7864 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7865 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7866 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7867 Define secondary reloads for TFmode moves.
7868 (constant_modes): Add TFmode.
7869 (NR_C_MODES): Set to 8.
7870 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7872 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7873 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7874 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7875 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7876 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7877 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7878 (FPR mode macro): Add TFmode.
7879 (DSF mode macro): New.
7880 (<de>, <dee> mode attributes): Removed.
7881 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7882 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7883 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7884 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7885 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7886 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7887 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7888 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7889 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7890 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7891 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7892 "*negabs<mode>2", "sqrt<mode>2"):
7893 Changed <de> to <xde>. R constraint replaced by <Rf>.
7894 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7896 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7897 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7898 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7900 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7901 "extenddftf2", "extendsftf2"): New expanders.
7902 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7903 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7904 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7905 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7907 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7908 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7909 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7910 __floatditf): Add a GCC_4.1.0 symbol version tag.
7911 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7914 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7917 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7918 Use targetm.binds_local_p instead of TREE_PUBLIC.
7920 2006-02-02 Roger Sayle <roger@eyesopen.com>
7922 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7923 on INTEGER_TYPEs to indicate that it denotes a character type.
7924 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7925 signed_char_type_node, unsigned_char_type_node and char_type_node.
7926 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7927 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7928 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7930 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7931 Daniel Berlin <dberlin@dberlin.org>
7933 * tree-tailcall.c (arg_needs_copy_p): New function.
7934 (eliminate_tail_call): Use arg_needs_copy_p.
7935 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7936 (add_virtual_phis): New function.
7938 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7940 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7941 #ignore instead of #scratch for %g7 .register directive.
7943 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7945 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7948 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7950 * flow.c (calculate_global_regs_live): Assert that there aren't any
7953 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7955 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7957 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7958 bsi_after_labels iterator.
7959 * tree-if-conv.c (find_phi_replacement_condition,
7960 replace_phi_with_cond_modify_expr): Likewise.
7961 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7962 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7964 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7966 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7968 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7971 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7972 array after growing it.
7974 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7977 * fold-const.c (fold_checksum_tree): Change type of buf.
7979 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7981 * reload.c (push_secondary_reload): Initialize t_icode.
7983 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7985 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7986 -msoft-float -mlong-double-128 only issue a warning, but don't
7987 swich to DFmode long double.
7989 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7991 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7992 has a constant equivalent, iterate over equivalents for arg0,
7993 calling simplify_relational_operation and if there's a result
7994 cheaper than X, apply fold_rtx and return the result.
7996 2006-02-01 Jan Hubicka <jh@suse.cz>
7998 * opts.c (no_unit_at_a_time_default): New global variable.
7999 (decode_options): Use it.
8000 * opts.h (no_unit_at_a_time_default): Declare.
8002 2006-02-01 Paul Brook <paul@codesourcery.com>
8004 * function.c (assign_parm_setup_reg): Use function argument promotion
8006 * expr.c (expand_expr_real_1): Use function argument promotion rules
8009 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8011 * gcc.c (process_command): Change j to 'unsigned int'.
8013 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8016 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8017 Use the corrected index for the character
8018 out of the string constant.
8020 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8022 * mode-switching.c (optimize_mode_switching): Fix size
8023 allocated for bb_info[n_entities].
8025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8027 * gcc.c (main): Correct type that is allocated for
8028 explicit_link_files.
8030 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8032 * config/s390/s390.c (init_alignment_context): Set
8033 ALIAS_SET_MEMORY_BARRIER on the MEM.
8034 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8036 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8039 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8041 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8044 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8046 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8047 * regrename.c: Ditto.
8048 * tree-ssa-loop-im.c: Ditto.
8049 * tree-dump.c: Ditto.
8050 * tree-complex.c: Ditto.
8051 * genrecog.c: Ditto.
8052 * tree-ssa-threadupdate.c: Ditto.
8054 * java/class.c: Ditto.
8055 * java/jcf-parse.c: Ditto.
8056 * java/resource.c: Ditto.
8057 * java/except.c: Ditto.
8058 * java/jvspec.c: Ditto.
8059 * java/jcf-write.c: Ditto.
8060 * java/jcf-path.c: Ditto.
8061 * java/gjavah.c: Ditto.
8062 * java/zextract.c: Ditto.
8063 * java/jcf-io.c: Ditto.
8064 * java/jcf.h: Ditto.
8065 * java/buffer.c: Ditto.
8066 * java/lang.c: Ditto.
8067 * java/parse-scan.y: Ditto.
8068 * java/lex.c: Ditto.
8069 * java/lex.h: Ditto.
8070 * cfgloopmanip.c: Ditto.
8071 * postreload-gcse.c: Ditto.
8072 * tree-ssa-loop-manip.c: Ditto.
8073 * postreload.c: Ditto.
8074 * tree-ssa-loop-ch.c: Ditto.
8078 * diagnostic.c: Ditto.
8080 * genoutput.c: Ditto.
8082 * cfghooks.c: Ditto.
8083 * cfgloopanal.c: Ditto.
8084 * objc/objc-act.c: Ditto.
8086 * genextract.c: Ditto.
8087 * genautomata.c: Ditto.
8088 * pretty-print.c: Ditto.
8090 * cgraphunit.c: Ditto.
8093 * haifa-sched.c: Ditto.
8094 * dominance.c: Ditto.
8096 * tree-ssa-loop-ivopts.c: Ditto.
8098 * mode-switching.c: Ditto.
8099 * modulo-sched.c: Ditto.
8101 * ipa-pure-const.c: Ditto.
8103 * fix-header.c: Ditto.
8105 * tree-stdarg.c: Ditto.
8106 * ipa-utils.c: Ditto.
8107 * loop-init.c: Ditto.
8108 * ipa-inline.c: Ditto.
8111 * alloc-pool.c: Ditto.
8112 * dwarf2out.c: Ditto.
8114 * genattrtab.c: Ditto.
8115 * tree-ssa-loop-ivcanon.c: Ditto.
8119 * fortran/gfortranspec.c: Ditto.
8121 * local-alloc.c: Ditto.
8122 * langhooks.c: Ditto.
8123 * function.c: Ditto.
8124 * tree-vectorizer.c: Ditto.
8126 * ipa-type-escape.c: Ditto.
8128 * tree-if-conv.c: Ditto.
8131 * tree-data-ref.c: Ditto.
8132 * loop-unroll.c: Ditto.
8133 * treelang/treetree.c: Ditto.
8136 * ggc-common.c: Ditto.
8138 * coverage.c: Ditto.
8140 * tree-cfgcleanup.c: Ditto.
8141 * tree-ssa-pre.c: Ditto.
8142 * cfgcleanup.c: Ditto.
8143 * loop-invariant.c: Ditto.
8145 * ipa-prop.c: Ditto.
8146 * print-tree.c: Ditto.
8147 * conflict.c: Ditto.
8148 * ggc-page.c: Ditto.
8149 * sched-deps.c: Ditto.
8150 * regclass.c: Ditto.
8151 * tree-object-size.c: Ditto.
8153 * bb-reorder.c: Ditto.
8154 * resource.c: Ditto.
8155 * var-tracking.c: Ditto.
8157 * df-problems.c: Ditto.
8158 * reg-stack.c: Ditto.
8161 * sched-rgn.c: Ditto.
8162 * tree-ssa-structalias.c: Ditto.
8163 * tree-ssa-reassoc.c: Ditto.
8164 * config/darwin-c.c: Ditto.
8165 * config/darwin.c: Ditto.
8166 * config/arm/arm.c: Ditto.
8168 * collect2.c: Ditto.
8171 2006-01-31 Nicolas Pitre <nico@cam.org>
8173 * arm.md (smaxsi3): Make aware of smax_m1.
8176 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8178 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8180 2006-01-31 Richard Guenther <rguenther@suse.de>
8182 * doc/invoke.texi (-msselibm): Document.
8183 * target.h (expand_library_builtin): New target hook.
8184 * builtins.c (expand_builtin): Use expand_library_builtin.
8185 (default_expand_library_builtin): New function.
8186 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8187 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8188 (link_gcc_math_spec): Declare.
8189 (static_specs): Add link_gcc_math_spec.
8190 * expr.h (default_expand_library_builtin): Declare.
8191 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8192 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8193 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8194 * config/i386/i386.opt (msselibm): New target option.
8195 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8196 (ix86_init_sse_abi_builtins): New function.
8197 (ix86_expand_library_builtin): Likewise.
8198 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8199 (override_options): Handle error conditions wrt -msselibm.
8200 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8201 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8202 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8205 2006-01-31 Richard Guenther <rguenther@suse.de>
8206 Paolo Bonzini <bonzini@gnu.org>
8208 * doc/install.texi (--disable-libgcc-math): Document.
8210 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8212 * expr.h (expand_normal): new inline function.
8213 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8215 * dwarf2out.c: use it.
8220 * config/sparc/sparc.c: use it.
8221 * config/i386/i386.c: use it.
8222 * config/rs6000/rs6000.c: use it.
8223 * config/arm/arm.c: use it.
8224 * config/mips/mips.c: use it.
8225 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8227 2006-01-30 Roger Sayle <roger@eyesopen.com>
8229 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8230 argv to the appropriate type.
8232 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8234 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8237 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8240 * config/s390/s390.c (struct machine_function): New flag
8241 decomposed_literal_pool_addresses_ok_p.
8242 (s390_reorg): Set it before final stage of literal pool transforms.
8243 (s390_decompose_address): Only accept displacements of the form
8244 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8246 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8248 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8249 the comparison routine return.
8251 2006-01-30 Michael Matz <matz@suse.de>
8253 * global.c (find_reg): Only evict for global regs.
8254 Take n_refs into account and dump more info.
8256 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8259 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8260 (pragma_trap, pragma_nosave_low_regs): Likewise.
8261 (current_function_anonymous_args): Likewise.
8262 (sh_deferred_function_attributes): New variable.
8263 (sh_deferred_function_attributes_tail): Likewise.
8264 (print_operand): For '@', look up trap_exit attribute.
8265 (calc_live_regs): Look up trapa_handler attribute. For trapa
8266 handlers, save/restore fpscr, but don't do any other
8267 interrupt-specific saves.
8268 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8269 Fix check for partially saved registers to check for SHmedia.
8270 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8271 (sh_output_function_epilogue): Don't clear any of the removed
8273 (sh_insert_attributes): Don't check pragma_interrupt.
8274 Insert deferred attributes. Check that interrupt attribute is
8275 present for other attributes that require its presence.
8276 (sh_attribute_table): Add new attributes trapa_handler and
8278 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8279 Don't check for pragma_interrupt. Don't store argument.
8280 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8281 (sh_deferred_function_attributes): Declare.
8282 (sh_deferred_function_attributes_tail): Likewise.
8283 * sh.md (sp_switch_1): Add operand. Change generator caller.
8284 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8285 (*return_i): Don't use when trap_exit attribute is in effect.
8286 (*return_trapa): New insn pattern.
8288 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8289 setting c_target_objs and cxx_target_objs.
8290 * t-sh: Add rule for sh-c.o.
8292 2006-01-30 Richard Guenther <rguenther@suse.de>
8295 * gimplify.c (gimplify_target_expr): Handle easy cases
8296 without creating a temporary.
8298 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8300 * vec.h (safe_grow): Remove duplicated line.
8302 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8305 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8306 (expand_omp): ... here.
8307 (expand_omp_parallel): Only remove barriers for combined
8308 parallel+workshare constructs.
8310 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8314 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8315 * tree.c (build_qualified_type): Chain the new type to the original
8316 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8317 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8318 (build_pointer_type_for_mode): Only return unqualified types.
8319 (build_reference_type_for_mode): Likewise.
8321 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8323 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8324 * Makefile.in (CXX_COMPAT_WARN): Define.
8325 * configure: Regenerate.
8327 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8330 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8333 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8335 * toplev.c: Fix thinko.
8337 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8338 Marcin Dalecki <martin@dalecki.de>
8340 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8341 (push_srcloc): Use XNEW.
8342 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8344 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8346 * df-core.c (df_set_blocks): Deleted all variable.
8348 2006-01-28 Ian Lance Taylor <ian@airs.com>
8350 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8351 cgraph_output_pending_asms.
8353 2006-01-28 Zack Weinberg <zackw@panix.com>
8355 * c.opt: Add -W(no-)overlength-strings.
8356 * doc/invoke.texi: Document it.
8357 * c-opts.c (c_common_handle_option): -pedantic implies
8358 -Woverlength-strings, if not explicitly disabled already.
8359 (c_common_post_options): -Woverlength-strings defaults to off, and
8360 is always off for C++.
8361 * c-common.c (fix_string_type): Issue warning about strings longer
8362 than is portable only if warn_overlength_strings. Rearrange code
8363 a little for clarity.
8364 * configure.in: Check for -Wno-overlength-strings as well before
8365 enabling -pedantic in stage 1.
8366 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8367 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8369 * genconditions.c (write_header, write_one_condition)
8370 (write_conditions, write_writer): Consolidate very long strings
8371 that were broken up to fit in C89 portable limit. Don't use
8372 printf when fputs will do.
8374 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8376 * combine.c (simplify_comparison <AND>): Check
8377 TRULY_NOOP_TRUNCATION before start using a subreg.
8379 * config/mips/mips.md (*branch_zero<mode>,
8380 *branch_zero<mode>_inverted, *branch_equality<mode>,
8381 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8382 Remove mode check from comparisons.
8384 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8386 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8388 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8390 * expmed.c (const_mult_add_overflow_p): Remove.
8391 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8393 * recog.c (validate_replace_rtx_subexp): Remove.
8394 * recog.h: Remove the prototype for
8395 validate_replace_rtx_subexp.
8397 * integrate.h: Remove the prototype for
8398 copy_decl_for_inlining.
8399 * rtl.h: Remove the prototype for mark_constant_function.
8400 * tree-vectorizer.h: Remove the prototype for
8401 vect_strip_conversion.
8403 * modulo-sched.c (create_partial_schedule,
8404 free_partial_schedule, reset_partial_schedule): Make them
8407 * hooks.c (hook_bool_rtx_int_false): Remove.
8408 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8410 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8412 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8413 and -mlong-double-128 are incompatible.
8414 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8415 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8416 (TARGET_LIBGCC2_CFLAGS): Define.
8417 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8418 (TARGET_LIBGCC2_CFLAGS): Same.
8419 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8421 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8424 * c-typeck.c (build_binary_op): Perform implicit casts of
8425 operands before shortening them.
8427 * cfgloopmanip.c (split_loop_bb): Remove.
8428 * cfgloop.h: Remove the prototype for split_loop_bb.
8430 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8431 * cfgloop.h: Remove the prototype for
8432 flow_loop_outside_edge_p.
8434 * emit-rtl.c (init_virtual_regs): Make it static.
8435 * function.h: Remove the prototype for init_virtual_regs.
8437 * recog.c (peephole2_optimize): Make it static.
8438 * recog.h: Remove the prototype for peephole2_optimize.
8440 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8442 * df-scan.c (df_record_entry_block_defs): Check if
8443 INCOMING_RETURN_ADDR_RTX is defined.
8445 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8446 Kenneth Zadeck <zadeck@naturalbridge.com>
8448 PR rtl-optimization/24762
8449 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8450 * targhooks.c (hook_void_bitmap): New hook prototype.
8451 * targhoohs.h (hook_void_bitmap): Ditto.
8452 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8453 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8454 * target.h (live_on_entry): New function pointer.
8455 * df-scan.c (df_all_hard_regs): Removed.
8456 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8457 (df_scan_free_internal): Added df->entry_block_defs.
8458 (df_scan_alloc): Ditto.
8459 (df_scan_dump): Ditto.
8460 (df_uses_record): Plumbed flag field properly thru calls.
8461 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8462 This part fixes PR24762.
8463 (df_bb_refs_record): Added code to make the frame and arg
8464 pointers live in EH blocks.
8465 (df_refs_record): Added call to df_record_entry_block_defs.
8466 (df_record_entry_block_defs): New function.
8467 * df-core.c: Added comments to describe new artifical defs.
8468 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8469 (entry_block_defs): New field in struct df.
8470 (df_all_hard_regs): Deleted.
8471 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8472 * df-problems.c (df_ru_bb_local_compute_process_def):
8473 Added code to handle artifical defs in the entry to a function.
8474 (df_ru_bb_local_compute): Ditto.
8475 (df_rd_bb_local_compute_process_def): Ditto.
8476 (df_rd_bb_local_compute): Ditto.
8477 (df_lr_bb_local_compute): Ditto.
8478 (df_ur_bb_local_compute): Ditto.
8479 (df_urec_bb_local_compute): Ditto.
8480 (df_chain_create_bb): Ditto.
8481 (df_ur_local_finalize): Removed entry.
8482 (df_urec_init): Ditto.
8483 (df_urec_local_finalize): Ditto.
8484 (df_ri_bb_compute): Added detection of last use of pseudos.
8485 * Makefile.in (df-scan.o): Updated dependencies.
8486 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8487 * config/mips/mips.c (mips_set_live_on_entry): Added.
8488 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8490 * dce.c (marked_insn_p): Added code to handle artifical defs.
8492 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8494 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8496 (_mm_cvtsi128_si64): Likewise.
8497 (_mm_cvtsd_si64): Likewise.
8498 (_mm_cvttsd_si64): Likewise.
8499 (_mm_cvtsi64_sd): Likewise.
8500 (_mm_cvtsi64_si128): Likewise.
8501 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8502 (_mm_cvtsi64_m64): Likewise.
8503 (_m_to_int64): Likewise.
8504 (_mm_cvtm64_si64): Likewise.
8505 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8506 (_mm_cvttss_si64): Likewise.
8507 (_mm_cvtsi64_ss): Likewise.
8508 (_mm_cvtss_f32): Likewise.
8510 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8512 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8513 for pragma redefine_extname.
8515 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8518 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8519 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8520 -mno-minimal-toc to previous content.
8521 (bispecs): Remove goal.
8522 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8523 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8524 compatibility aliases on powerpc-*-*gnu*.
8525 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8526 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8527 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8528 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8529 (ldblspecs): New goal.
8530 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8531 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8533 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8534 L_sf_to_tf or L_df_to_tf is defined.
8536 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8537 Alan Modra <amodra@bigpond.net.au>
8540 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8541 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8542 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8543 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8544 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8545 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8546 (rs6000_override_options): Initialize rs6000_ieeequad.
8547 Initialize TFmode format to ibm_extended_format if not
8549 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8551 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8552 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8553 (function_arg_advance): IBM long double passed in two FPRs, not
8555 (function_arg): IBM long double passed in FPRs.
8556 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8557 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8558 Only multireg GPR aligned.
8559 (rs6000_init_libfuncs): Enable IBM long double functions if not
8561 (rs6000_generate_compare): Use IBM long double compare if not
8563 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8564 (TARGET_IEEEQUAD): Define.
8565 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8566 not TARGET_IEEEQUAD.
8567 * config/rs6000/rs6000.md: Enable TFmode patterns if
8569 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8570 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8571 and -mlong-double-128 are incompatible.
8572 * doc/invoke.texi (-mabi): Collect options together. Add
8573 ibmlongdouble and ieeelongdouble.
8575 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8577 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8579 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8580 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8581 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8582 * rtl.h (rtunion_def): Remove rt_ptr.
8584 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8585 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8586 * config/i386/winnt.c (i386_pe_mark_dllexport)
8587 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8589 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8591 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8593 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8597 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8598 pthread_key_delete. From John David Anglin. gthrw-ify
8599 pthread_getunique_np only if it it's not a macro. Delete
8601 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8602 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8603 __gthread_objc_condition_signal, __gthread_key_delete): Add
8604 "__attribute__ ((__unused__))" to unused arguments.
8605 (__gthread_recursive_mutex_init_function): Add missing return.
8606 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8607 gthr-posix95.h: Use macro-based approach for name redirection
8608 on targets missing weakref.
8610 2006-01-26 Zack Weinberg <zackw@panix.com>
8612 * genconditions.c (write_header): In generated code, #ifdef out
8613 all includes and fake declarations, except includes of bconfig.h
8614 and system.h, unless GCC_VERSION >= 3001. Do not include
8615 gensupport.h in any case.
8616 (write_conditions): Generate a definition of struct c_test. Add
8617 a comment to the generated #endif.
8618 (write_one_condition): Escape backslashes in string too.
8619 (write_writer): Generated code must escape backslashes and quote
8620 marks (but not newlines) in the strings it writes.
8621 * Makefile.in (build/gencondmd.o): Update dependencies.
8623 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8626 * Makefile.in (insn-automata.o): Add header file dependencies.
8627 * genautomata.c: Add includes.
8629 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8632 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8634 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8636 * configure.ac: Expect target tools paths to be passed from the toplevel
8637 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8639 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8641 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8644 * c.opt (Wpointer-sign): Init to -1.
8645 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8646 OPT_pedantic, to 0 otherwise.
8647 * doc/invoke.texi: Update.
8649 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8651 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8652 constants provided by 80387 instructions in the destination mode.
8654 2006-01-26 Richard Guenther <rguenther@suse.de>
8655 Andrew Pinski <pinskia@physics.uc.edu>
8658 partial PR tree-opt/17064
8659 * tree-ssa-structalias.c (intra_create_variable_infos):
8660 Create heap variables for incoming parameters if
8661 flag_argument_noalias > 1.
8662 (find_what_p_points_to): Look through default defs of
8665 2006-01-26 Jeff Law <law@redhat.com>
8668 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8669 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8670 within the VR_RANGE, use the VR_RANGE as the result, not the
8672 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8673 bounds for the type.
8675 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8677 * tree-ssa-alias.c (maybe_create_global_var): Change
8678 subvar walking to an assertion that we don't have subvar'd variables.
8680 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8683 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8684 Use a new variable, inner. PARM_DECLs are always non-weak.
8686 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8688 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8691 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8693 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8695 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8697 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8698 (smax_insn, smin_insn, smax_0, smin_0): New.
8700 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8703 * config/cris/cris.c (cris_order_for_addsi3): New function.
8704 * config/cris/cris-protos.h: Prototype it.
8705 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8706 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8707 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8708 (split for "op.S1 [rx=rx+i],ry (swapped)")
8709 (split for "op(s|u).S1 [rx=rx+i],ry")
8710 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8711 Apply cris_order_for_addsi3 when generating addsi3 insns.
8713 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8715 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8716 (TREE_BLOCK): Add call to EXPR_CHECK.
8718 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8721 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8722 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8723 (dump_omp_clauses): ... here.
8724 (dump_generic_node): Handle OMP_CLAUSE.
8725 * tree.c (omp_clause_num_ops): New.
8726 (omp_clause_code_name): New.
8727 (tree_code_size): Handle OMP_CLAUSE.
8728 (tree_size): Likewise.
8729 (make_node): Document handling of OMP_CLAUSE.
8730 (tree_node_structure): Handle OMP_CLAUSE.
8731 (omp_clause_check_failed): New.
8732 (omp_clause_range_check_failed): New.
8733 (omp_clause_operand_check_failed): New.
8734 (build_omp_clause): New.
8735 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8736 * tree.h (enum omp_clause_code): Declare.
8737 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8738 (OMP_CLAUSE_RANGE_CHECK): Define.
8739 (OMP_CLAUSE_ELT_CHECK): Define.
8740 (omp_clause_check_failed): Declare.
8741 (omp_clause_operand_check_failed): Declare.
8742 (omp_clause_range_check_failed): Declare.
8743 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8744 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8745 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8746 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8747 (OMP_CLAUSE_IF_EXPR): Likewise.
8748 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8749 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8750 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8751 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8752 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8753 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8754 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8755 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8756 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8757 (OMP_CLAUSE_CODE): Define.
8758 (OMP_CLAUSE_SET_CODE): Define.
8759 (OMP_CLAUSE_CODE): Define.
8760 (OMP_CLAUSE_OPERAND): Define.
8761 (struct tree_omp_clause): Declare.
8762 (union tree_node): Add field 'omp_clause'.
8763 * treestruct.def (TS_OMP_CLAUSE): Define.
8764 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8765 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8766 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8767 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8768 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8769 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8770 (OMP_CLAUSE): Define.
8771 * print-tree.c (print_node): Handle OMP_CLAUSE.
8772 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8773 * c-typeck.c: Likewise.
8774 * gimplify.c: Likewise.
8775 * c-omp.c: Likewise.
8776 * tree-nested.c: Likewise.
8777 * tree-inline.c: Likewise.
8778 * c-parser.c: Likewise.
8779 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8782 2006-01-25 Roger Sayle <roger@eyesopen.com>
8784 PR rtl-optimization/25703
8785 * combine.c (try_combine): Handle zero_extract and strict_low_part
8786 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8788 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8790 * global.c: Fix comment typos.
8792 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8795 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8796 Use output_addr_const instead of assemble_name.
8798 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8800 * Makefile.in (sched-vis.o): Update dependencies.
8801 * haifa-sched.c (sched_finish): Clear current_sched_info.
8802 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8803 (dump_flow_info): Call it.
8804 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8806 * basic-block.h (dump_bb_info): Declare.
8807 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8808 option, and apply options only for dump files whose TDF_RTL,
8809 TDF_TREE, or TDF_IPA bits match.
8810 * rtl.h: Declare new functions exported from sched-vis.c.
8811 * sched-vis.c: Enable also if scheduling is not used.
8812 (print_value): Print the mode of registers if not inside scheduling.
8813 (print_insn): Make it work outside the scheduler. Beautify the output
8815 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8817 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8819 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8820 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8821 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8822 depending on the value of CONSTANT_POOL_ADDRESS_P.
8823 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8825 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8826 rather than SYMBOL_REF_DECL.
8827 (rtx_constant_pool): Remove const_rtx_sym_htab.
8828 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8829 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8830 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8831 Remove handling of const_rtx_sym_htab.
8832 (find_pool_constant): Delete.
8833 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8834 rather than find_pool_constant.
8835 (get_pool_constant_for_function): Delete.
8836 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8838 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8839 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8840 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8841 (SYMBOL_REF_CONSTANT): New macro.
8842 (get_pool_constant_for_function): Delete.
8843 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8844 rather than SYMBOL_REF_DECL.
8845 (i386_pe_mark_dllimport): Likewise.
8846 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8847 rather than SYMBOL_REF_DECL.
8848 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8849 (machopic_indirect_call_target): Likewise.
8851 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8853 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8855 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8857 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8859 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8861 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8863 2006-01-24 David Daney <ddaney@avtrex.com>
8866 * configure.ac (enable_tls): New enable option.
8867 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8868 * configure: Regenerate.
8869 * doc/install.texi (--enable-tls): Document new option.
8870 (--disable-tls): Ditto.
8872 2006-01-24 Richard Henderson <rth@redehat.com>
8874 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8875 * alias.c (true_dependence): Respect it.
8876 (canon_true_dependence, write_dependence_p): Likewise.
8877 * builtins.c (get_builtin_sync_mem): Set it.
8879 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8881 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8884 2006-01-24 DJ Delorie <dj@redhat.com>
8886 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8887 for storing constants in single-bit bitfields.
8889 2006-01-25 Ben Elliston <bje@au.ibm.com>
8891 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8893 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8896 * tree-ssa-pre.c (phi_translate): Return NULL
8897 for AGGREGATE_TYPE's.
8899 2006-01-24 Zack Weinberg <zackw@panix.com>
8901 * genautomata.c (process_state_for_insn_equiv_partition):
8902 Use xcalloc for insn_arcs_array.
8903 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8904 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8906 2006-01-24 Richard Henderson <rth@redhat.com>
8908 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8911 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8913 PR rtl-optimization/25890
8914 PR rtl-optimization/25905
8915 * combine.c (expand_compound_operation, expand_field_assignment):
8916 Fail if the bitfield's final position is out of bounds.
8918 2006-01-24 Ian Lance Taylor <ian@airs.com>
8921 * cgraphunit.c (cgraph_output_in_order): Don't clear
8922 cgraph_asm_nodes until after asm strings have been output.
8924 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8926 * fix-header.c (read_scan_file): Add new parameter imultilib when
8927 calling register_include_chains.
8929 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8931 * omp-low.c: Update documentation.
8933 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8934 Daniel Berlin <dberlin@dberlin.org>
8938 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8939 return from the function.
8941 2006-01-22 Zack Weinberg <zackw@panix.com>
8943 * rtl.def (match_code): Add second argument.
8944 * genpreds.c (write_extract_subexp): New function.
8945 (write_match_code): Add path argument. Use write_extract_subexp.
8946 (write_predicate_expr): Pass path to write_match_code.
8947 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8948 not perform a mode test.
8949 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8950 a subexpression does not constrain the top-level code set.
8951 * read-rtl.c (read_rtx_variadic): New function.
8952 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8953 * doc/md.texi: Document new notation.
8954 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8955 (cmpsi_operand): ... here, using new notation.
8957 2006-01-22 Zack Weinberg <zackw@panix.com>
8959 * varray.c: Remove GENERATOR_FILE #ifdefs.
8961 2006-01-22 Zack Weinberg <zackw@panix.com>
8963 * genautomata.c (output_reserved_units_table): Emit nothing if
8964 description->query_units_num is zero. Remove extra blank line.
8965 (output_cpu_unit_reservation_p): Short circuit
8966 if description->query_units_num is zero.
8968 2006-01-22 Zack Weinberg <zackw@panix.com>
8970 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8971 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8972 nor any of the random handful of variables that used to be necessary
8973 when this program was linked with rtlanal.o. Prune set of forward
8974 function declarations.
8975 (struct attr_desc): Remove static_p field.
8976 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8977 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8978 (attr_string): Do not read the character one past the length of
8980 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8981 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8982 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8983 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8984 (make_automaton_attrs): New.
8985 (main): Do not call into genautomata. Call local gen_bypass
8986 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8987 Remove special case for insn_alts.
8988 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8989 varray.h (leftover from previous change). Prune set of forward
8990 function declarations. Remove state_alts fields from all
8991 structures. Remove state_alts_table from struct automaton.
8992 Make everything except main static. Do not maintain num_dfa_decls.
8993 Do not maintain state_alts fields of various structures.
8994 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8995 (add_arc): Remove state_alts argument. All callers updated.
8996 (output_reserved_units_table): Emit #ifdef here...
8997 (output_tables): ...not here. Don't generate state_alts tables.
8998 (expand_automata): Don't generate attributes.
8999 (write_automata): Don't generate state_alts functions.
9000 (main): New function.
9001 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9002 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9003 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9004 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9005 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9006 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9007 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9008 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9010 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9011 * genattrtab.h: Delete file.
9012 * Makefile.in (OBJS-common): Add insn-automata.o.
9013 (insn-automata.o): New rule.
9014 (simple_generated_c): Add insn-automata.c.
9015 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9016 (genprogmd): Add automata.
9017 (build/genattrtab): Needs no extra objects nor libraries.
9018 (build/genautomata): Needs build/vec.o and -lm.
9020 2006-01-22 Zack Weinberg <zackw@panix.com>
9022 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9023 (output_dfa_max_issue_rate, locked_states_num): Delete.
9024 (struct automaton): Add locked_states field.
9025 (output_dead_lock_vect): Save number of locked states in
9026 automaton->locked_states. If it is zero, don't print anything.
9027 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9028 (output_internal_dead_lock_func): Only test the dead_lock_vect
9029 for automata that have locked states.
9030 (output_statistics): Always print the number of locked states for
9031 each automaton. Calculate total number of locked states here.
9032 (write_automata): Don't call output_dfa_max_issue_rate.
9033 * genattrtab.c: Define length_unit_log as a const variable.
9034 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9035 max_insn_queue_index const.
9036 * final.c (length_unit_log): Declare const.
9037 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9039 2006-01-22 Zack Weinberg <zackw@panix.com>
9041 * genautomata.c: Include vec.h, not varray.h.
9042 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9043 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9044 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9045 VEC_* macros operating on appropriately typed vectors, or to
9046 malloced arrays when the size is known in advance. Const-ify
9047 many char* variables and function arguments. No functional changes.
9048 * Makefile.in (build/varray.o): Delete rule.
9049 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9050 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9052 2006-01-22 Zack Weinberg <zackw@panix.com>
9054 * gensupport.c: Define get_insn_name and record_insn_name here.
9055 (read_md_rtx): Call record_insn_name as appropriate.
9056 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9057 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9058 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9060 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9061 (BUILD_VARRAY): Delete.
9062 (genprognormal): Rename genprogmd. Fold in all programs from
9063 genprognoprint; also attrtab.
9064 (build/genattrtab): Just mention genautomata.o and varray.o.
9065 Reorganize a bit, add comments to make the categories clearer.
9067 2006-01-22 Zack Weinberg <zackw@panix.com>
9069 * genconditions.c (condition_table, add_condition): Delete.
9070 (write_conditions): Don't emit n_insn_conditions nor
9071 insn_elision_unavailable. Issue the gcc version #ifdef here,
9072 inside the table, with no #else clause ...
9073 (write_header): ...not here.
9074 (write_writer): New function.
9075 (main): Don't initialize condition_table. Use add_c_test.
9077 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9078 files on the command line.
9079 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9080 Return -1 if there is no entry in the table, don't abort.
9081 (add_c_test, traverse_c_tests): New functions.
9082 * gensupport.h (insn_elision_unavailable, insn_conditions)
9083 (n_insn_conditions): Delete declarations.
9084 (add_c_test, traverse_c_tests): Declare.
9085 * read-rtl.c: Include gensupport.h.
9086 (read_conditions): New function.
9087 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9088 (read_rtx_1): If we get EOF when we were looking for an initial
9089 open paren, return 0. Call read_conditions when appropriate.
9090 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9091 dummy-conditions.o. Eliminate references to insn-conditions.o,
9092 or change them to build/gencondmd.o, as appropriate. Remove
9093 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9094 from $(simple_generated_c). For all files remaining in those
9095 two lists, add insn-conditions.md to the generator command line.
9096 Give insn-constants.h/s-constants their own rules. Add rules
9097 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9098 (build/read-rtl.o): Depend on gensupport.h.
9099 (genprognormal): Include preds.
9100 (genprogearly): Rename genprognoprint; only difference is now that
9101 they don't link with $(BUILD_PRINT).
9102 * dummy-conditions.c: Delete.
9104 2006-01-22 Zack Weinberg <zackw@panix.com>
9106 * genextract.c: Don't include insn-config.h. Do include vec.h.
9107 Declare vectors of int, char, and locstr.
9108 (locstr): New typedef.
9109 (struct extraction): Make all array fields into bare pointers.
9110 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9111 (insn_code_number): Delete.
9112 (accum_extract): New struct.
9113 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9114 (gen_insn): Take insn_code_number as an argument. Use an
9115 accum_extract structure instead of loading data directly into
9116 a struct extraction, and having to know how big it might get.
9117 (walk_rtx): Operate entirely on an accum_extract structure.
9118 (print_path): Avoid unnecessary use of printf.
9119 (print_header): New function, split out of main. Distinguish
9120 more carefully between an unrecognizable insn and an insn that
9121 has the code number of a define_expand.
9122 (main): Pass insn_code_number to gen_insn. Call print_header
9123 only after parsing. Avoid unnecessary use of printf.
9124 * Makefile.in (build/vec.o): New rule.
9125 (build/genextract): Depend on build/vec.o.
9126 (build/genextract.o): Don't depend on insn-config.h.
9128 2006-01-22 Zack Weinberg <zackw@panix.com>
9130 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9131 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9132 practical. Eliminate per-generator-program link rules.
9134 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9137 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9138 with a call expr to ...
9139 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9141 2006-01-23 Richard Guenther <rguenther@suse.de>
9143 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9144 before make_edge with conditional EDGE_TRUE_VALUE.
9146 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9147 Jan Hubicka <jh@suse.cz>
9148 Richard Guenther <rguenther@suse.de>
9150 PR rtl-optimization/25654
9151 * cfgexpand.c (aggregate_contains_union_type): New function.
9152 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9153 for structure variables that contain a union type.
9155 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9157 * gengtype.c (new_structure): Return the structure.
9158 (create_option): Add an extra "next" argument.
9159 (create_field): New function.
9160 (adjust_field_rtx_def): Use create_option and create_field.
9161 Remove a now-unnecessary call to find_structure.
9162 (adjust_field_tree_def): Likewise.
9163 (note_yacc_type): Remove an unnecessary call to find_structure.
9164 * gengtype.h (new_structure): Return the structure.
9165 (create_option): Add an extra argument.
9166 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9167 (option): Adjust calls to create_option.
9169 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9171 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9173 2006-01-22 Paul Brook <paul@codesourcery.com>
9174 Peter Barada <peter@the-baradas.com>
9176 * config/m68k/m68k.md: Add Coldfire FPU support.
9177 Define FP mode macro and associated attributes.
9178 Use it for float mode patterns.
9179 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9180 (LIBCALL_VALUE): Use m68k_libcall_value.
9181 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9182 (m68k_function_value): Ditto.
9183 (emit_move_sequence): Ditto.
9184 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9185 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9186 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9187 (MULTILIB_EXCEPTIONS): Ditto.
9188 * config/m68k/m68k.opt: Add mcfv4e.
9189 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9190 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9191 (m68k_output_function_prologue): Save ColdFire FPU registers.
9192 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9193 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9194 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9195 ColdFire FPU registers.
9196 (m68k_libcall_value, m68k_function_value): New functions.
9197 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9198 (LIBCALL_VALUE): Use m68k_libcall_value.
9199 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9200 (MASK_COLDFIRE): Add MASK_CFV4E.
9201 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9202 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9203 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9204 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9205 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9206 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9207 * doc/invoke.tex: Document -mcfv4e on m68k.
9209 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9211 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9214 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9217 * c-opts.c (c_common_handle_option): Don't include
9218 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9219 * doc/invoke.texi (C++ Dialect Options): Document that
9220 -Wnon-virtual-dtor is no longer included in -Wall.
9222 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9224 * gcov.c (print_version), gcov-dump.c (print_version),
9225 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9228 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9230 * df-scan.c (problem_SCAN): Added NULL reset function.
9231 (df_scan_reset_blocks): Added code to call reset block function
9232 (df_bb_refs_delete) Fixed comment.
9233 (df_insn_refs_delete): Made tolerant of deleting non existent info
9234 for dataflow problems that need to be reset.
9235 * df-core.c (df_set_blocks): Ditto.
9236 * df.h (struct df_problem): Added reset_fun.
9237 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9238 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9239 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9240 functions to clear out all references to def-use or use-def chains.
9242 2006-01-21 Ben Elliston <bje@au.ibm.com>
9244 * varasm.c (assemble_real): Initialise data array.
9246 2006-01-20 Paul Brook <paul@codesourcery.com>
9248 Merge from csl-arm-branch.
9249 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9250 * config/arm/arm.md (movdi): Force operands[1] to a register
9251 if we have a non-register source.
9252 (*arm_movdi, *movdf_soft_insn): Require that one of the
9253 operands be a register.
9254 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9255 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9257 2006-01-20 DJ Delorie <dj@redhat.com>
9259 * varasm.c (initialize_constant_valid_p): Allow pointers
9260 initialized from integer constants of lesser precision.
9261 (output_constant): Allow non-int-sized pointer modes to be
9262 initialized from integer constants.
9264 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9267 * cppdefault.h (struct default_include): Add multilib flag.
9268 * cppdefault.c (cpp_include_defaults): Set it.
9269 * c.opt (-imultilib): New option.
9270 * c-opts.c (imultilib): New.
9271 (c_common_handle_option): Handle -imultilib.
9272 (c_common_post_options): Likewise.
9273 * c-incpath.c (add_standard_paths, register_include_chains):
9275 * c-incpath.h (register_include_chains): Add extra parameter.
9276 * gcc.c (do_spec_1): Generate -imultilib option.
9277 (The Specs Language): Update %I description.
9278 (process_command): Update copyright notice.
9279 * doc/cppopts.texi (-imultilib): Document.
9280 * doc/invoke.texi (-imultilib): Include in option summary.
9281 (%I): Update specs documentation.
9283 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9285 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9287 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9289 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9292 2006-01-20 Richard Guenther <rguenther@suse.de>
9293 Steven Bosscher <stevenb.gcc@gmail.com>
9295 PR rtl-optimization/24626
9296 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9297 EDGE_TRUE_VALUE if in RTL mode.
9300 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9301 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9303 2006-01-20 Dirk Mueller <dmueller@suse.com>
9306 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9307 instead of a special NOP marker.
9308 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9309 NOP marker handling.
9310 * c-common.h (empty_body_warning): Add forward declaration.
9311 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9312 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9314 2006-01-20 Paul Brook <paul@codesourcery.com>
9316 * Makefile.in (lang_checks): Keep going if mkdir fails.
9318 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9320 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9321 be able to clean out basic block when not necessary.
9322 (df_scan_free): Fixed to properly delete information if df is
9323 unused before calling df_finish.
9324 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9325 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9327 (df_bb_refs_delete): New function.
9328 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9329 * df-core.c (df_set_blocks): Added code to properly clean out
9330 unused blocks if they are not part of the blocks to consider.
9331 Added additional null check.
9332 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9333 be able to clean out basic block when not necessary
9334 * df.h (df_free_bb_function): Ditto.
9335 (df_bb_refs_delete): New function.
9336 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9337 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9338 basic block parameter to be able to clean out basic block when not
9340 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9341 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9342 Fixed to properly delete information if df is unused before
9345 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9347 PR rtl-optimization/25799
9348 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9349 Corrected confluence operator to remove bits from op2 before oring
9350 with op1 rather than removing bits from op1.
9351 (df_ru_transfer_function): Corrected test on wrong bitmap which
9352 caused infinite loop. Both of these problems were introduced in
9353 the dataflow rewrite.
9355 2006-01-19 DJ Delorie <dj@redhat.com>
9357 * reload1.c (find_reload_regs): Note the details of reload
9358 failures in the dump file.
9359 (spill_failure): Likewise.
9361 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9363 * loop-iv.c: Include df.h and hashtab.h.
9364 (enum iv_grd_result): New enum.
9365 (DF_REF_IV, DF_REF_IV_SET): New macros.
9366 (struct biv_entry): New.
9367 (df, bivs): New global variables.
9368 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9369 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9371 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9372 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9373 analyzed_for_bivness_p, record_biv): New functions.
9374 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9375 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9376 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9378 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9380 (iv_number_of_iterations): Use new interface to iv analysis.
9381 * loop-unroll.c: Do not include varray.h.
9382 (analyze_iv_to_split_insn): Use new interface to iv
9384 * loop-unswitch.c (may_unswitch_on): Ditto.
9385 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9387 (df_bb_modify): Realloc tables to the new index.
9388 (df_find_use): New function.
9389 * df.h (df_find_use): Declare.
9390 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9392 * cfgloop.h (struct rtx_iv): Remove analysed field.
9393 (iv_get_reaching_def): Removed.
9394 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9395 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9396 (loop-iv.o): Add df.h and hashtab.h dependency.
9397 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9399 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9402 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9404 (__floatundisf, __floatundidf): Likewise.
9405 * libgcc2.h (IS_IBM_EXTENDED): Define.
9407 2006-01-19 DJ Delorie <dj@redhat.com>
9409 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9411 2006-01-19 Paul Brook <paul@codesourcery.com>
9413 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9414 as nothrow when unwinding tables are disabled.
9416 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9419 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9420 of bit-field" when in system header.
9422 2006-01-19 DJ Delorie <dj@redhat.com>
9424 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9425 the 16 bit shift limit of the m16c.
9427 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9430 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9431 * config/i386/i386.c (output_set_got): Output the label if we have one
9432 for the TARGET_DEEP_BRANCH_PREDICTION case.
9434 2006-01-19 Jan Hubicka <jh@suse.cz>
9435 H.J. Lu <hongjiu.lu@intel.com>
9436 Evandro Menezes <evandro.menezes@amd.com>
9438 * invoke.texi (generic): Document
9440 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9441 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9442 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9443 (x86_use_incdec, x86_pad_returns): New variables
9444 (TARGET_CPU_DEFAULT_generic): New constant
9445 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9446 (enum processor_type): Add generic32 and generic64.
9447 * i386.md (cpu attribute): Add generic32/generic64
9448 (movhi splitter): Behave sanely when both partial_reg_dependency and
9449 partial_reg_stall are set.
9450 (K8 splitters): Enable for generic as well.
9451 * predicates.md (incdec_operand): Use TARGET_INCDEC
9452 (aligned_operand): Avoid memory mismatch stalls.
9453 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9454 * ppro.md: Enable for generic32
9455 * i386.c (generic64_cost, generic32_cost): New.
9456 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9457 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9458 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9459 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9460 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9461 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9462 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9463 x86_accumulate_outgoing_args, x86_prologue_using_move,
9464 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9465 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9467 (x86_use_incdec, x86_pad_returns): New.
9468 (override_options): Add generic32 and generic64, translate "generic"
9469 to generic32/generic64 and "i686" to "generic32", refuse
9470 "generic32"/"generic64" as arch target.
9471 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9472 (ix86_reorg): Honor PAD_RETURNS.
9474 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9476 * tree-pretty-print.c (dump_generic_node): Handle
9477 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9478 * cgraph.c (cgraph_expand_queue): Rename from
9479 cgraph_analyze_queue. Update all users.
9480 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9481 cgraph_expand_queue.
9482 (cgraph_expand_all_functions): Likewise.
9483 (cgraph_finalize_pending_functions): Remove. Update callers.
9485 * tree.h (OMP_DIRECTIVE_P): Define.
9486 (OMP_PARALLEL_FN): Define.
9487 (OMP_PARALLEL_DATA_ARG): Define.
9488 (OMP_SECTIONS_SECTIONS): Define.
9489 * tree-pass.h (pass_expand_omp): Declare.
9490 * omp-low.c (struct omp_region): Declare.
9491 (struct omp_context): Remove fields 'parallel_type',
9492 'parallel_start_ix' and 'parallel_start_additional_args'.
9494 (struct omp_for_data): Rename from struct expand_omp_for_data.
9495 (omp_regions): New static variable.
9496 (root_omp_region): New static variable.
9497 (find_omp_clause): Make static.
9498 (is_in_combined_parallel_ctx): Remove.
9499 (is_combined_parallel): New.
9500 (extract_omp_for_data): Move earlier in the file.
9501 (workshare_safe_to_combine_p): New.
9502 (get_ws_args_for): New.
9503 (determine_parallel_type): Move earlier in the file.
9504 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9506 (omp_copy_decl): Likewise.
9507 (create_omp_child_function): Likewise.
9508 (lookup_omp_region): New.
9509 (dump_omp_region): New.
9510 (debug_omp_region): New.
9511 (debug_all_omp_regions): New.
9512 (new_omp_region): New.
9513 (scan_omp_parallel): If parallel_nesting_level > 1, the
9514 directive is nested within another parallel directive.
9515 Set OMP_PARALLEL_FN.
9516 (scan_omp_for): Do not try to handle combined parallel+for
9518 Remove FIXME comment.
9519 (scan_omp_nested): Remove.
9520 (scan_omp_1): Do not call scan_omp_nested when
9521 parallel_nesting_level is > 1.
9522 Do not change the DECL_CONTEXT of local variables found.
9523 (lookup_decl_in_outer_ctx): New.
9524 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9525 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9526 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9527 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9528 If CTX is nested, lookup VAR in the outer context when
9529 building copy assignment.
9530 (lower_send_clauses): Rename from expand_send_clauses.
9531 If CTX is nested, lookup VAR in the outer context when
9532 building copy assignments.
9533 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9534 If CTX is nested, lookup VAR in the outer context when
9535 building copy assignments.
9536 (expand_parallel_call): Rename from build_parallel_call.
9537 Handle combined parallel+workshare cases.
9538 Re-implement to emit code into the CFG.
9540 (expand_omp_parallel): Re-implement to emit code into the CFG.
9541 Call move_sese_region_to_fn to outline the sub-graph
9542 containing the parallel region.
9543 (expand_omp_for_1): Remove.
9544 (expand_omp_for_generic): Re-implement to emit code into the
9546 (expand_omp_for_static_nochunk): Likewise.
9547 (expand_omp_for_static_chunk): Likewise.
9548 (expand_omp_for): Likewise.
9549 (expand_omp_sections): Likewise.
9550 (remove_exit_barriers): New.
9551 (expand_omp_synch): New.
9553 (build_omp_regions_1): New.
9554 (build_omp_regions): New.
9555 (execute_expand_omp): New.
9556 (gate_expand_omp): New.
9557 (pass_expand_omp): Define.
9558 (lower_omp_sections): Rename from expand_omp_sections.
9559 Set OMP_SECTIONS_SECTIONS.
9560 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9561 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9562 (lower_omp_single): Rename from expand_omp_simple.
9563 (lower_omp_master): Rename from expand_omp_master.
9564 (lower_omp_ordered): Rename from expand_omp_ordered.
9565 (lower_omp_critical): Rename from expand_omp_critical.
9566 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9567 (lower_omp_for): Re-implement.
9568 (lower_omp_parallel): Re-implement.
9569 (lower_regimplify): Rename from expand_regimplify.
9570 (lower_omp_1): Rename from expand_omp_1.
9571 If there are syntax errors in the program, replace every
9572 OpenMP directive with NOP.
9573 Call lower_omp_* instead of expand_omp_*.
9574 (lower_omp): Rename from expand_omp.
9576 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9577 * tree-gimple.h (enum omp_parallel_type): Remove.
9578 (gimple_boolify): Declare extern.
9579 (find_omp_clause, determine_parallel_type): Remove.
9581 * gimple-low.c (lower_omp_directive): New.
9582 (lower_stmt): Call it.
9583 (record_vars_into): Move from ...
9584 (record_vars): ... here.
9585 Call record_vars_into with current_function_decl.
9587 * gimplify.c (struct gimplify_ctx): Remove fields
9588 combined_pre_p and combined_ctxp. Update users.
9589 (get_formal_tmp_var): Add documentation.
9590 (gimple_boolify): Make extern.
9591 (gimplify_expr_in_ctx): Remove. Update callers.
9592 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9593 will always be a BIND_EXPR.
9594 (gimplify_expr): Handle OMP_RETURN_EXPR.
9595 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9596 (OMP_PARALLEL): Add 3 operands.
9597 (OMP_SECTIONS): Add 1 operand.
9598 (OMP_RETURN_EXPR): Define.
9600 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9601 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9602 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9603 creating a circular free list.
9604 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9606 * tree-flow.h (move_sese_region_to_fn): Declare.
9607 (record_vars_into): Declare.
9608 * tree-cfg.c (make_omp_sections_edges): New.
9609 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9610 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9611 OMP_SECTIONS and OMP_SECTION.
9612 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9613 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9614 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9615 (gather_blocks_in_sese_region): New.
9616 (struct move_stmt_d): Declare.
9618 (move_block_to_fn): New.
9619 (move_sese_region_to_fn): New.
9621 * passes.c (init_optimization_passes): Schedule
9622 pass_expand_omp after pass_init_datastructures.
9624 * tree-ssa-operands.c (get_expr_operands): Handle
9625 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9626 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9628 2006-01-19 Jeff Law <law@redhat.com>
9630 * tree-vrp.c (extract_range_from_assert): Refine the result range
9631 if the variable referenced by the ASSERT_EXPR has a range and
9632 either the tentative result range or the previous range is a
9635 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9637 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9639 2006-01-19 Jan Hubicka <jh@suse.cz>
9641 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9643 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9645 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9646 (expand_compound_operation, expand_field_assignment): Fail if the
9647 bit lengths of an extract operation are out of range.
9648 (make_extraction): Compute wanted_inner_mode based on the position
9649 and length of the extraction. Make it extraction_mode for non-constant
9650 positions, and do not modify offset in that case. When generating a
9651 new MEM, use a mode that can hold the extraction while keeping correct
9652 alignment. Remove code that supported MEMs wrapped by USEs.
9653 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9655 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9657 * config/s390/s390.md ("Y", "y"): New mode attribute.
9658 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9659 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9660 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9661 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9662 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9663 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9664 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9665 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9666 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9667 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9668 "addsi3", "subsi3"): Insn patterns removed.
9669 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9670 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9671 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9672 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9673 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9674 "*sub<mode>3_cconly2"): New insn patterns.
9675 ("addsi3", "subsi3"): New expanders.
9677 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9679 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9680 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9681 existing STMT_VINFO_VECTYPE if available.
9682 (vect_mark_relevant): Add special handling for stmts that are
9683 marked as STMT_VINFO_IN_PATTERN_P.
9684 (vect_analyze_loop): Call vect_pattern_recog.
9685 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9686 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9688 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9689 (vect_recog_func_ptr): New function-pointer type.
9690 * tree-vect-patterns.c: New file.
9691 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9692 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9693 (vect_pattern_recog_1): New functions.
9694 (vect_pattern_recog_funcs): New array of function pointers.
9696 * tree-vectorizer.h (ternary_op): New enum value.
9697 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9698 declaration. Revised documentation. Removed redundant dump prints.
9699 Removed redundant argument. Added support for reduction patterns.
9700 (vectorizable_reduction): Added support for reduction patterns.
9701 (vect_transform_stmt): Added support for patterns.
9703 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9704 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9705 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9706 (expand_widen_pattern_expr): New function.
9707 (init_optabs): Initialize new optabs udot_prod_optab,
9709 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9710 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9711 (expand_widen_pattern_expr): New function declaration.
9712 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9714 * tree-inline.c (estimate_num_insns_1): Added cases for new
9715 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9716 * tree-pretty-print.c (dump_generic_node): Likewise.
9717 (op_prio): Likewise.
9718 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9719 * tree-ssa-operands.c (get_expr_operands): Added case for
9721 * tree-vect-patterns.c (widened_name_p): New function.
9722 (vect_recog_dot_prod_pattern): Added function implementation.
9723 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9724 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9725 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9726 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9728 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9729 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9730 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9731 (init_optabs): Initialize new optabs widen_ssum_optab,
9733 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9734 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9735 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9736 use instead of type of def.
9737 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9738 function implementation.
9739 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9740 widen_ssumv8hi): New.
9742 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9745 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9748 * c-decl.c (add_flexible_array_elts_to_size): New function.
9749 (finish_decl): Use it.
9751 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9753 * diagnostic.h: Include options.h.
9754 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9755 dependancies for diagnostic.h.
9756 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9758 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9760 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9761 (ssa_ro_call_cache_valid): Ditto.
9762 * tree-ssa-alias.c (sort_tags_by_id): New function.
9763 (init_transitive_clobber_worklist): Ditto.
9764 (add_to_worklist): Ditto.
9765 (mark_aliases_call_clobbered): Ditto.
9766 (compute_tag_properties): Ditto.
9767 (set_initial_properties): Ditto.
9768 (compute_call_clobbered): Ditto.
9769 (compute_may_aliases): Call compute_call_clobbered and grouping.
9770 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9771 (compute_flow_insensitive_aliasing): Grouping now happens in our
9773 (setup_pointers_and_addressables): Remove clobbering related code.
9774 (add_may_alias): Ditto.
9775 (replace_may_alias): Ditto.
9776 (get_nmt_for): Ditto.
9777 (create_global_var):
9778 (is_escape_site): Return an escape_type enumeration.
9779 * tree-flow-inline.h (is_call_clobbered): Global var does not
9780 imply call clobbered.
9781 (mark_call_clobbered): Take a reason for marking this. Remove
9782 marking of globalness, and cache invalidation.
9783 (clear_call_clobbered): Remove cache invalidation code.
9784 * tree-dfa.c (dump_variable): If details is on, dump the reason
9786 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9788 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9789 (struct var_ann_d): Ditto.
9790 (enum escape_type): New.
9791 (mark_call_clobbered): Adjust prototype.
9792 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9793 are never call clobbered.
9794 Record reasons for escaping.
9795 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9796 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9797 (ssa_ro_call_cache_valid): Ditto.
9798 (clobbered_v_may_defs): Ditto.
9799 (clobbered_vuses): Ditto.
9800 (ro_call_vuses): Ditto.
9801 (clobber_stats): New.
9802 (init_ssa_operands): Zero out clobber stats.
9803 (fini_ssa_operands): Print out clobber stats.
9804 (get_call_expr_operands): Pass callee fndecl to
9806 (add_call_clobber_ops): Remove use of cache.
9807 Add use of PURE_CONST information.
9808 (add_call_read_ops): Remove use of cache.
9809 Add use of static not_read information.
9811 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9813 Introduce TLS descriptors for i386 and x86_64.
9814 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9815 (TARGET_ANY_GNU_TLS): New macro.
9816 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9817 (struct machine_function): Add tls_descriptor_call_expanded_p.
9818 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9819 (ix86_current_function_calls_tls_descriptor): Likewise.
9820 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9821 (override_options): Introduce gnu2 tls dialect.
9822 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9824 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9826 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9827 (ix86_init_machine_status): Initialize new field.
9828 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9829 (ix86_tls_module_base): New.
9830 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9831 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9832 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9833 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9834 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9835 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9836 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9837 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9838 * config/i386/predicates.md (tls_modbase_operand): New.
9839 (tp_or_register_operand): New.
9841 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9843 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9844 (look_for_address_of): Ditto.
9845 (ipa_init): Walk the function decls.
9846 (static_execute): Don't set readonly on FUNCTION_DECL's.
9848 2006-01-18 Roger Sayle <roger@eyesopen.com>
9850 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9851 for shifts where the source and destination registers are different.
9853 2006-01-18 Paul Brook <paul@codesourcery.com>
9855 Merge from csl-arm-branch.
9856 2005-03-14 Julian Brown <julian@codesourcery.com>
9857 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9858 (aeabi_llsl): Likewise.
9859 (ashrdi3): Likewise.
9860 (aeabi_lasr): Likewise.
9861 (lshrdi3): Likewise.
9862 (aeabi_llsr): Likewise.
9863 2005-03-10 Julian Brown <julian@codesourcery.com>
9864 * config.gcc: Disable shared libgcc for SymbianOS.
9865 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9867 2006-01-18 DJ Delorie <dj@redhat.com>
9869 * c-pragma.c (handle_pragma_diagnostic): New.
9870 (init_pragma): Register it.
9871 * doc/extend.texi: Document it.
9873 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9874 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9875 (diagnostic_context): Add classify_diagnostic[].
9876 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9877 as errors if they're overridden to DK_WARNING.
9878 (diagnostic_initialize): Initialize classify_diagnostic[].
9879 (diagnostic_set_kind_override): New.
9880 (diagnostic_report_diagnostic): Check for kind changes.
9881 * opts.c (common_handle_option): Take lang_mask. Update callers.
9883 * common.opt (Werror=): New.
9884 * doc/invoke.texi: Document -Werror=*
9886 2006-01-18 Jeff Law <law@redhat.com>
9888 * tree-vrp.c (test_for_singularity): Correct test for new
9889 min limit. Use operand_equal_p rather than pointer equality
9890 for testing if new min/max values are equal.
9892 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9893 using range information until after propagation and folding.
9895 2006-01-18 Richard Henderson <rth@redhat.com>
9896 Aldy Hernandez <aldyh@redhat.com>
9897 Jakub Jelinek <jakub@redhat.com>
9898 Diego Novillo <dnovillo@redhat.com>
9900 * omp-low.c: New file.
9901 * c-omp.c: New file.
9903 2006-01-18 Richard Henderson <rth@redhat.com>
9904 Jakub Jelinek <jakub@redhat.com>
9905 Diego Novillo <dnovillo@redhat.com>
9907 * doc/invoke.texi: Document -fopenmp.
9908 * tree-dump.h (debug_function): Declare.
9909 * hooks.c (hook_bool_tree_bool_false): New function.
9910 (hook_tree_tree_null): Remove.
9911 (hook_tree_tree_tree_null): New.
9912 * hooks.h: Update to match.
9913 * tree-pretty-print.c (debug_tree_chain): New.
9914 (print_generic_expr): Handle TDF_CHAIN.
9915 (dump_generic_node): Handle BLOCK.
9916 Do not abort with incomplete SWITCH_EXPRs.
9917 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9918 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9919 print space after directive name.
9920 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9921 Handle OMP_MASTER and OMP_ORDERED.
9922 Handle printing of OMP_BODY just in one place, goto
9923 dump_omp_body in the rest of OMP_* nodes that have
9925 Don't handle clause nodes here. Update omp statements to
9926 use dump_omp_clauses.
9927 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9928 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9929 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9930 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9931 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9932 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9933 Adjust output for GOMP_PARALLEL.
9934 (dump_omp_clauses): New.
9935 (print_declaration): Dump DECL_VALUE_EXPR.
9936 (op_symbol_1): Split out of op_symbol.
9937 (dumping_stmts): Remove. Update all users.
9938 * cgraph.c (cgraph_analyze_queue): New.
9939 (cgraph_add_new_function): New.
9940 * cgraph.h (cgraph_analyze_queue): Declare.
9941 (cgraph_add_new_function): Declare.
9942 (cgraph_lower_function): Remove.
9943 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9944 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9945 and TYPE_P nodes in its default clause.
9946 (empty_body_p): New.
9947 (tree_range_check_failed): New.
9949 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9950 OMP_CLAUSE_REDUCTION_MERGE,
9951 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9952 OMP_CLAUSE_PRIVATE_DEBUG,
9953 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9954 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9955 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9956 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9957 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9958 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9959 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9960 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9961 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9962 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9963 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9964 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9965 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9966 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9967 (TREE_RANGE_CHECK): New.
9968 (empty_body_p): Declare.
9969 (enum omp_clause_default_kind): New.
9970 (build_string_literal): Declare.
9971 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9972 (build5_stat, build5): Declare.
9973 * tree-pass.h (TDF_CHAIN): Define.
9974 * tree-pass.h (PROP_gimple_lomp): Define.
9975 (pass_lower_omp): Declare.
9976 * diagnostic.h (debug_tree_chain): Declare.
9977 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9979 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9980 * builtins.c (build_string_literal): Make extern.
9981 * gcc.c (include_spec_function): New.
9982 (static_spec_functions): Add it.
9983 (main): Move load of libgomp.spec ...
9984 (LINK_COMMAND_SPEC): ... here.
9985 (link_gomp_spec): New.
9986 (static_specs): Include it.
9987 (LINK_COMMAND_SPEC): Add link_gomp.
9988 (GOMP_SELF_SPECS): New.
9989 (driver_self_specs): Include it.
9990 (switch_matches): Don't mark inline.
9991 (main): Load libgomp.spec.
9992 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9993 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9994 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9995 * tree-gimple.h (enum omp_parallel): Declare.
9996 (determine_parallel_type): Declare.
9997 (omp_firstprivatize_variable): Declare.
9998 (omp_reduction_init): Declare.
9999 (diagnose_omp_structured_block_errors): Declare.
10000 (struct walk_stmt_info): Add want_return_expr.
10001 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10002 (find_omp_clause): Declare.
10003 (insert_field_into_struct): Declare.
10004 (struct walk_stmt_info): Move from tree-nested.c
10005 (walk_stmts): Declare.
10006 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10008 * cgraphunit.c (cgraph_lower_function): Make static.
10009 (cgraph_finalize_pending_functions): New.
10010 (cgraph_finalize_function): Call it.
10011 (cgraph_finalize_compilation_unit): Likewise.
10012 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10013 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10014 (BT_FN_UINT_UINT): New.
10015 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10016 DEF_FUNCTION_TYPE_VAR_4): Document.
10017 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10018 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10019 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10020 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10021 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10022 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10023 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10024 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10025 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10026 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10027 into separate files.
10028 (DEF_GOMP_BUILTIN): New.
10029 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10030 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10031 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10032 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10033 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10034 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10035 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10036 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10037 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10038 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10039 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10040 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10041 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10042 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10043 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10044 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10045 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10046 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10047 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10048 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10049 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10050 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10051 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10052 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10053 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10054 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10055 * sync-builtins.def: New file, moved from builtins.def.
10056 * omp-builtins.def: New file, moved from builtins.def.
10057 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10058 * gimple-low.c (lower_function_body): Clear data.
10059 (lower_stmt): Do not handle COMPOUND_EXPR.
10060 Remove call to print_node_brief.
10061 * c-tree.h (c_finish_omp_clauses): New prototype.
10062 (C_DECL_THREADPRIVATE_P): Define.
10063 (lookup_name_no_remap, c_omp_remap_private): Remove
10064 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10065 (check_for_loop_decls): Update decl.
10066 (lookup_name_no_remap, c_omp_remap_private): Declare.
10067 (build_indirect_ref, build_modify_expr, pushdecl,
10068 pushdecl_top_level): Move to c-common.h.
10069 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10070 before the switch, but just in the 2 places that need it.
10071 * c-decl.c (diagnose_mismatched_decls): Do not check for
10072 mismatched thread-local attributes when OLDDECL is marked
10073 threadprivate and NEWDECL has no thread-local attributes.
10074 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10075 (c_gimple_diagnostics_recursively): Rename from
10076 c_warn_unused_result_recursively. Invoke
10077 diagnose_omp_structured_block_errors.
10078 (check_for_loop_decls): Return a singular decl found.
10079 * langhooks.c (lhd_omp_predetermined_sharing): Return
10080 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10081 (lhd_omp_firstprivatize_type_sizes): New.
10082 (lhd_omp_assignment): New.
10083 (lhd_omp_predetermined_sharing): New.
10084 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10085 (struct lang_hooks_for_types): Add
10086 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10087 omp_predetermined_sharing, omp_disregard_value_expr,
10088 omp_private_debug_clause, omp_clause_default_ctor,
10089 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10090 (c_finish_omp_clauses): New.
10091 (c_finish_bc_stmt): Diagnose break within omp for.
10092 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10093 (build_unary_op): Return error_mark after reporting
10095 (build_modify_expr): Likewise.
10096 * gimplify.c: Include optabs.h and pointer-set.h.
10097 (enum gimplify_omp_var_data): Declare.
10098 (struct gimplify_omp_ctx): Declare.
10099 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10101 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10102 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10103 (splay_tree_compare_decl_uid): New.
10104 (new_omp_context): New.
10105 (delete_omp_context): New.
10106 (gimple_add_tmp_var): Call omp_add_variable.
10107 (gimplify_bind_expr): Likewise.
10108 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10109 true, disregard DECL_VALUE_EXPR on the decl if any.
10110 (gimplify_expr_in_ctx): New.
10111 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10112 omp_add_variable, omp_notice_variable, omp_is_private
10113 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10114 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10115 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10116 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10117 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10118 gimplify_omp_atomic): New.
10119 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10120 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10121 OMP_CRITICAL and OMP_ATOMIC.
10122 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10123 * c-pragma.h (enum pragma_kind): Add
10124 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10125 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10126 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10127 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10128 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10129 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10130 PRAGMA_OMP_THREADPRIVATE.
10131 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10132 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10133 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10134 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10135 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10136 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10137 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10138 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10139 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10140 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10141 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10142 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10143 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10145 (struct nesting_info): Add field_map,
10146 suppress_expansion, debug_var_chain.
10147 (create_nesting_tree): Initialize them.
10148 (lookup_field_for_decl): Use field_map.
10149 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10150 (convert_local_omp_clauses): New.
10151 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10152 (walk_body): Split out of walk_function.
10153 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10154 (convert_nonlocal_reference): Handle omp statements.
10155 (convert_local_reference): Likewise.
10156 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10157 (unnest_nesting_tree): New.
10158 (lower_nested_functions): Call it.
10159 (insert_field_into_struct): Make extern.
10160 (struct walk_stmt_info): Move to tree-gimple.h.
10161 (walk_stmts): Make extern.
10162 * omp-builtins.def: New file.
10163 * tree-iterator.c (expr_only): Clarify comment.
10164 * c-common.h (pushdecl_top_level, pushdecl,
10165 build_modify_expr, build_indirect_ref,
10166 c_finish_omp_master, c_finish_omp_critical,
10167 c_finish_omp_ordered, c_finish_omp_barrier,
10168 c_finish_omp_atomic, c_finish_omp_flush,
10169 c_finish_omp_for, c_split_parallel_clauses,
10170 omp_clause_default_kind, c_omp_sharing_predetermined,
10171 c_omp_remap_decl): Declare.
10172 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10173 (OBJS-common): Add omp-low.o.
10174 (c-omp.o, omp-low.o): Add.
10175 (gimplify.o): Add dependency on $(OPTABS_H).
10176 (GTFILES): Add omp-low.c.
10177 (gt-stringpool.h): Add.
10178 * tree-cfg.c (set_bb_for_stmt): Do not update the
10179 block-to-labels map if we are currently expanding to RTL.
10180 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10182 Handle IDENTIFIER_NODE.
10183 (tree_verify_flow_info): Do not ICE when emitting error
10184 messages about invalid labels.
10185 (dump_function_to_file): Reset CFUN before emitting the body
10187 (debug_function): New.
10188 * passes.c (init_optimization_passes): Schedule
10190 * langhooks-def.h (lhd_omp_predetermined_sharing,
10191 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10193 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10194 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10195 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10196 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10197 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10198 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10199 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10200 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10201 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10202 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10203 (LANG_HOOK_DECLS): Use them.
10205 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10206 Richard Henderson <rth@redhat.com>
10207 Jakub Jelinek <jakub@redhat.com>
10208 Diego Novillo <dnovillo@redhat.com>
10210 * c-parser.c (pragma_omp_clause): Define.
10211 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10212 (c_parser_compound_statement): Likewise.
10213 (c_parser_statement): Likewise.
10214 (c_parser_pragma): Handle omp pragmas.
10215 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10216 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10217 (c_parser_omp_clause_name, check_no_duplicate_clause,
10218 c_parser_omp_variable_list,
10219 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10220 c_parser_omp_clause_copyprivate,
10221 c_parser_omp_clause_default,
10222 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10223 c_parser_omp_clause_lastprivate,
10224 c_parser_omp_clause_nowait,
10225 c_parser_omp_clause_num_threads,
10226 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10227 c_parser_omp_clause_reduction,
10228 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10229 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10230 c_parser_omp_atomic, c_parser_omp_barrier,
10231 c_parser_omp_critical, c_parser_omp_flush,
10232 c_parser_omp_for_loop, c_parser_omp_for,
10233 c_parser_omp_master, c_parser_omp_ordered,
10234 c_parser_omp_sections_scope, c_parser_omp_sections,
10235 c_parser_omp_parallel, c_parser_omp_single,
10236 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10237 * c-pragma.c (init_pragma): Do omp pragma registration here.
10238 * c.opt (fopenmp): New flag.
10240 2006-01-18 Eric Christopher <echristo@apple.com>
10242 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10243 * config/darwin.h (GOMP_SELF_SPECS): Define.
10245 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10247 * rtl.h: Remove the prototype for reg_alloc.
10249 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10252 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10253 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10254 sjlj and dwarf2 exception handling.
10255 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10256 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10257 * pa/pa.c (function_value): Treat complex and vector types as
10259 (function_arg): Likewise. Only pass scalar floats in the floating
10260 point argument registers.
10261 * pa/t-slibgcc-dwarf-ver: New file.
10262 * pa/t-slibgcc-sjlj-ver: New file.
10263 * pa/t-slibgcc-elf-ver: Delete file.
10265 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10267 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10268 unlikely_test_section_p test.
10270 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10272 * mode-switching.c (optimize_mode_switching): Make it static.
10273 * basic-block.h: Remove the prototype for
10274 optimize_mode_switching.
10276 * modulo-sched.c (sms_schedule): Make it static.
10277 * rtl.h: Remove the prototype for sms_schedule.
10279 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10280 * rtl.h: Remove the prototype for gcse_after_reload_main.
10282 * reg-stack.c (reg_to_stack): Make it static.
10283 * rtl.h: Remove the prototype for reg_to_stack.
10285 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10287 * rtl.h: Remove the prototypes for regrename_optimize and
10288 copyprop_hardreg_forward.
10290 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10292 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10293 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10294 Test against the appropriate null constant for the mode.
10295 If 'fixup_overlap' is true, swap the operands if they overlap.
10296 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10297 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10298 alpha_split_tmode_pair and adjust for above change.
10299 * config/alpha/alpha.md (movtf_internal): Adjust call to
10300 alpha_split_tfmode_pair and rely on it to swap the operands.
10301 (movti_internal): New insn and post-reload splitter.
10302 (movti): New expander.
10304 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10306 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10309 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10311 * rtlanal.c (global_reg_mentioned_p_1,
10312 global_reg_mentioned_p): Remove.
10313 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10315 * flow.c (initialize_uninitialized_subregs): Make it static.
10316 * rtl.h: Remove the prototype for
10317 initialize_uninitialized_subregs.
10319 * function.c (instantiate_virtual_regs): Make it static.
10320 * function.h: Remove the prototype for
10321 instantiate_virtual_regs.
10323 * regmove.c (regmove_optimize, combine_stack_adjustments):
10325 * rtl.h: Remove the prototypes for regmove_optimize and
10326 combine_stack_adjustments.
10328 2006-01-17 Roger Sayle <roger@eyesopen.com>
10330 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10331 (size_cost): Encode costs in bytes so that a reg-reg addition is
10332 equivalent to COSTS_N_INSNS(1).
10333 (override_options): Use the size_cost.branch_cost as the default
10334 ix86_branch_cost when optimizing for size.
10336 2006-01-18 Ben Elliston <bje@au.ibm.com>
10338 * Makefile.in (D32PBIT_FUNCS): New.
10339 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10340 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10341 D64PBIT_FUNCS and D128PBIT_FUNCS.
10342 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10343 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10345 (decnumber_dep): Define.
10346 * doc/libgcc.texi (Decimal float library routines): New node.
10347 * config/dfp-bit.h, config/dfp-bit.c: New files.
10349 2006-01-18 Ben Elliston <bje@au.ibm.com>
10351 * expr.c (emit_move_change_mode): Always adjust addresses, not
10352 just during reload. Copy replacements only during reload.
10353 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10354 emit_move_via_integer.
10356 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10358 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10359 instead of $(srcdir) and ${srcdir}.
10361 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10364 PR middle-end/11135
10365 * arm.h (struct machine_function): Add pic_reg.
10366 * arm.c (arm_pic_register): Make unsigned.
10367 (arm_override_options): Only set arm_pic_register if
10368 TARGET_SINGLE_PIC_BASE.
10369 (use_return_insn): Only test for a pic register if it is fixed.
10370 (arm_compute_save_reg0_reg12_mask): Likewise.
10371 (thumb_compute_save_reg_mask): Likewise.
10372 (legitimate_pic_operand): Factor out some known invariants.
10373 (legitimize_pic_address): If we don't have a fixed pic register,
10374 then set up a pseudo in the function entry sequence. Handle the
10375 pic base being in a pseudo.
10376 (arm_load_pic_register): Handle the pic register being in a pseudo.
10377 (arm_expand_prologue): Only set up the pic register if it is fixed.
10378 (thumb_expand_prologue): Likewise.
10379 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10380 (pic_load_addr_based_insn): Likewise.
10381 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10384 2006-01-18 Ben Elliston <bje@au.ibm.com>
10386 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10387 decimal float modes for all floating point registers.
10389 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10390 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10392 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10395 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10396 even when the pointer is not NULL.
10398 2006-01-16 Ian Lance Taylor <ian@airs.com>
10400 * common.opt (ftoplevel-reorder): New option.
10401 * cgraph.c (cgraph_asm_nodes): New global variable.
10402 (cgraph_asm_last_node): New static variable.
10403 (cgraph_order): New global variable.
10404 (cgraph_create_node): Set new order field.
10405 (cgraph_varpool_node): Likewise.
10406 (decide_is_variable_needed): Return true if not
10407 flag_toplevel_reorder.
10408 (cgraph_add_asm_node): New function.
10409 * cgraph.h (struct cgraph_node): Add order field.
10410 (struct cgraph_varpool_node): Add order field.
10411 (struct cgraph_asm_node): Define.
10412 (cgraph_asm_nodes, cgraph_order): Declare.
10413 (cgraph_add_asm_node): Declare.
10414 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10416 (cgraph_varpool_assemble_pending_decls): Call it.
10417 (cgraph_output_pending_asms): New static function.
10418 (cgraph_finalize_compilation_unit): Call it.
10419 (struct cgraph_order_sort): Define.
10420 (cgraph_output_in_order): New static function.
10421 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10422 !flag_toplevel_reorder case.
10423 * c-parser.c: Include "cgraph.h".
10424 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10426 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10427 than -fno-unit-at-a-time.
10428 * doc/invoke.texi (Option Summary): Mention
10429 -fno-toplevel-reorder.
10430 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10431 -funit-at-a-time documentation.
10433 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10434 Kazu Hirata <kazu@codesourcery.com>
10436 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10438 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10440 * Makefile.in (FUNCTION_H): New. Use it instead of
10441 function.h throughout the file.
10442 * function.h: Include tree.h.
10444 2006-01-17 Ben Elliston <bje@au.ibm.com>
10446 * recog.c: Separate some functions with whitespace.
10448 2006-01-16 Richard Henderson <rth@redhat.com>
10450 Merge from gomp branch:
10451 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10452 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10453 and rename from struct inline_data. Rename callee* to dst*;
10454 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10455 transform_new_cfg, transform_return_to_modify, and
10456 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10458 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10459 (copy_decl_for_dup): Remove.
10460 * tree-inline.c (struct inline_data): Move to header.
10461 (insert_decl_map): Export.
10462 (remap_decl): Update for member name changes. Use copy_decl hook.
10463 Allow for replacement to be a non-decl. Remove dead code.
10464 (remap_type_1): Check for existing mapping.
10465 (remap_type): Export.
10466 (remap_decls): Update for member name changes.
10467 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10468 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10469 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10470 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10471 (tree_function_versioning, build_duplicate_type): Likewise.
10472 (copy_body_r): Likewise. Export.
10473 (copy_decl_for_dup): Split into ...
10474 (copy_decl_for_dup_finish, copy_decl_to_var,
10475 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10476 (replace_ref_tree, inlining_p): Remove.
10478 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10480 * ifcvt.c (if_convert): Make it static.
10481 * rtl.h: Remove the prototype for if_convert.
10483 * local-alloc.c (local_alloc): Make it static.
10484 * rtl.h: Remove the prototype for local_alloc.
10486 * loop.c (loop_optimize): Make it static.
10487 * cfgloop.h: Remove the prototype for loop_optimize.
10490 2006-01-16 DJ Delorie <dj@redhat.com>
10492 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10495 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10497 * pa.md: Disparage copies between general and floating-point registers
10498 in 32-bit move patterns.
10500 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10503 * Makefile.in (check-%): Depend on site.exp instead of
10504 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10507 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10509 * global.c (global_alloc): Make it static.
10510 * rtl.h: Remove the prototype for global_alloc.
10512 2006-01-16 Richard Guenther <rguenther@suse.de>
10514 * tree-ssa-alias.c (struct used_part): Add write_only field.
10515 (get_or_create_used_part_for): Initialize it to true.
10516 (create_overlap_variables_for): Don't create structure variables
10517 for structures that only are written to.
10518 (find_used_portions): Handle MODIFY_EXPR to track whether a
10519 structure is only written to.
10521 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10523 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10525 * basic-block.h: Remove the prototype for
10526 partition_hot_cold_basic_blocks.
10528 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10530 * cppspec.c (lang_specific_spec_functions): Remove.
10531 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10532 * gcc.h (lang_specific_spec_functions): Remove.
10533 * gccspec.c (lang_specific_spec_functions): Remove.
10535 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10537 * combine.c (record_value_for_reg): Invalidate registers
10539 (record_dead_and_set_regs_1): Likewise, by passing them to
10540 record_value_for_reg.
10541 (record_dead_and_set_regs): Invalidate stores made by a
10542 call. We do not combine across a call, but we still
10543 relied on equivalences.
10545 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10547 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10548 vrp_int_const_binop returning non-constant nodes.
10550 2006-01-16 Paul Brook <paul@codesourcery.com>
10552 * config/m68k/m68k.c (output_move_const_into_data_reg):
10553 Output correct mnemonic for mvz and mvs.
10555 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10557 * rtl-factoring.c: Add sequence abstraction algorithm.
10558 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10559 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10561 (block_has_preserve_label): New function.
10562 * common.opt: Register new pass.
10563 * Makefile.in: Ditto.
10565 * timevar.def: Ditto.
10566 * tree-pass.h: Ditto.
10567 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10568 * rtl.h (make_jump_insn_raw): Add forward decl.
10569 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10571 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10572 Roger Sayle <roger@eyesopen.com>
10574 * fold-const.c (fold_minmax): New static function.
10575 (fold_binary) <MIN_EXPR>: Call it.
10576 <MAX_EXPR>: Likewise.
10577 * stor-layout.c (place_field): Use DECL_SIZE consistently
10578 in the computation of the new record size.
10580 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10582 * cse.c (cse_condition_code_reg): Make it static.
10583 * rtl.h: Remove the prototype for cse_condition_code_reg.
10585 * combine.c (combine_instructions): Make it static.
10586 * rtl.h: Remove the prototype for combine_instructions.
10588 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10591 * tree.c (get_file_function_name_long): Concatenate the first global
10592 object name with a string derived from the input filename of the object
10595 2006-01-16 Ben Elliston <bje@au.ibm.com>
10597 * config/i386/winnt-stubs.c: Update FSF address.
10598 * config/xtensa/ieee754-df.S: Ditto.
10599 * config/xtensa/ieee754-sf.S: Ditto.
10601 2006-01-14 Ian Lance Taylor <ian@airs.com>
10603 * ifcvt.c (noce_init_if_info): New static function, broken out of
10604 noce_process_if_block.
10605 (noce_process_if_block): Call noce_init_if_info.
10606 (check_cond_move_block): New static function.
10607 (cond_move_process_if_block): New static function.
10608 (process_if_block): Call cond_move_process_if_block.
10610 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10612 * cselib.c (hash_table): Rename to cselib_hash_table.
10613 (cselib_clear_table, discard_useless_values,
10614 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10615 cselib_init, cselib_finish): Adjust uses of hash_table.
10617 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10619 PR tree-optimization/25485
10620 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10621 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10622 is known to be false and true, respectively.
10624 2006-01-14 Richard Guenther <rguenther@suse.de>
10626 PR tree-optimization/22548
10627 PR tree-optimization/22555
10628 PR tree-optimization/22501
10629 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10630 * params.def (salias-max-array-elements): New parameter.
10631 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10632 * doc/invoke.texi (salias-max-array-elements): Document.
10633 * tree-flow-inline.h (var_can_have_subvars): We also handle
10635 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10637 * tree-ssa-structalias.c (params.h): Include.
10638 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10639 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10640 (get_constraint_for): For ADDR_EXPR operating on something
10641 containing an ARRAY_REF, add all subvars to the solution.
10642 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10643 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10644 for creating MUST_DEFs.
10645 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10647 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10649 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10651 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10652 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10653 number_of_iterations_le): New functions.
10654 (number_of_iterations_special): Removed.
10655 (number_of_iterations_exit): Do not use number_of_iterations_special.
10656 * tree.c (unsigned_type_for): Always return integer type.
10658 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10659 Richard Guenther <rguenther@suse.de>
10661 PR rtl-optimization/24257
10662 * gcse.c (find_moveable_store): Only consider a store movable
10663 when the SET_SRC of the insn can be assigned to a register.
10665 2006-01-14 Ian Lance Taylor <ian@airs.com>
10667 * tree.c (tree_not_class_check_failed): New function.
10668 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10669 (tree_not_class_check_failed): Declare.
10671 2006-01-13 Ian Lance Taylor <ian@airs.com>
10673 * reload1.c (do_output_reload): Add assertion rejecting a
10676 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10678 * combine.c (struct reg_stat): Add new fields truncation_label and
10680 (record_value_for_reg): Reset truncated_to_mode.
10681 (record_truncated_value): New function.
10682 (check_promoted_subreg): Call it. Rename to check_conversions.
10683 (combine_instructions): Rename check_promoted_subreg to
10685 (reg_truncated_to_mode): New function.
10686 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10687 (gen_lowpart_or_truncate): New function.
10688 (force_to_mode): Use it instead of gen_lowpart.
10690 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10692 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10693 VAR is a tag, not its type tag.
10695 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10697 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10698 alternatives to match style of other entries.
10699 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10701 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10703 PR tree-optimization/25771
10704 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10707 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10710 * tree-inline.c (declare_return_variable): If the return variable
10711 was marked as a non gimple complex, set the return slot variable
10712 to be a non gimple comple variable.
10714 2006-01-13 Richard Guenther <rguenther@suse.de>
10716 * builtins.c (expand_builtin_sincos): New function.
10717 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10719 (expand_builtin): Expand sincos using expand_builtin_sincos.
10721 2006-01-12 DJ Delorie <dj@redhat.com>
10723 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10724 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10725 so that constant shifts can be split.
10726 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10727 (m32c_valid_pointer_mode): Make static.
10728 (shift_gen_func_for): New.
10729 (m32c_prepare_shift): Use it. Split large const shifts into
10731 * config/m32c/predicates.md (shiftcount_operand): Allow more
10733 (longshiftcount_operand): New.
10734 * doc/md.texi (Machine Constraints): Document In6.
10736 2006-01-13 Ben Elliston <bje@au.ibm.com>
10738 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10739 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10742 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10744 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10745 to try to avoid clobbering pieces of structures when we know
10746 something about the whole structure.
10747 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10749 2006-01-13 Ben Elliston <bje@au.ibm.com>
10751 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10752 return in memory, as this is no limitation is no longer present.
10754 2006-01-12 DJ Delorie <dj@redhat.com>
10756 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10757 mova with fb, and for fb+0 -> An.
10759 * config/m32c/mov.md (peephole2): Fix enabling logic.
10761 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10762 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10763 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10764 FINI_ARRAY_SECTION_ASM_OP): Define.
10766 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10768 (m32c_legitimize_reload_address): New logic to reload FB to An.
10769 (m32c_output_reg_push): Add newline.
10770 (m32c_output_reg_pop): Likewise.
10772 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10774 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10776 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10778 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10780 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10782 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10785 2006-01-11 Ben Elliston <bje@au.ibm.com>
10787 * rtlanal.c (find_reg_note): Assert insn is not null.
10789 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10791 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10794 2006-01-11 Jeff Law <law@redhat.com>
10796 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10798 (mark_threaded_blocks, register_jump_thread): New functions.
10799 (thread_through_all_blocks): Remove unwanted argument. No
10800 longer rely on e->aux to communicate thread target info.
10801 Call mark_threaded_blocks. Release the threaded_blocks
10802 bitmap and threaded_edges vector when complete.
10803 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10804 (threaded_blocks): Remove.
10805 (tree_ssa_dominator_optimize): Remove initialization and
10806 finalization of threaded_blocks. Simplify call to
10807 thread_through_all_blocks.
10808 (thread_across_edge): Call register_jump_thread rather than
10809 storing thread information into e->aux.
10810 (free_all_edge_infos): Simplify now that e->aux is no longer
10811 used to communicate with thread_through_all_blocks.
10812 * tree-flow.h (thread_through_all_blocks): Update prototype.
10813 (register_jump_thread): Prototype.
10815 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10817 * df-core.c (df_compact_blocks, df_bb_replace): Use
10818 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10820 2006-01-11 Richard Guenther <rguenther@suse.de>
10822 PR tree-optimization/25734
10823 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10824 stop propagation after successful propagation to the LHS.
10826 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10828 * basic-block.h (control_flow_graph): Change the type of
10829 x_basic_block_info to VEC(basic_block,gc) *.
10830 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10832 (SET_BASIC_BLOCK): New.
10833 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10834 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10835 * cfgbuild.c (find_basic_blocks): Likewise.
10836 * cfglayout.c (fixup_reorder_chain): Likewise.
10837 * cfgrtl.c (create_basic_block_structure,
10838 rtl_create_basic_block): Likewise.
10839 * ifcvt.c (find_if_case_1): Likewise.
10840 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10843 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10845 * Makefile.in: Removed rotted odf.c entry.
10847 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10850 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10851 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10852 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10853 output pattern modifier, not %e.
10854 * config/cris/cris.c (cris_op_str): Update comment about pattern
10856 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10857 before falling through into...
10858 <case 'E'>: Redefined from old 'e' case.
10860 2006-01-11 Jan Hubicka <jh@suse.cz>
10863 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10865 2006-01-11 Jan Hubicka <jh@suse.cz>
10867 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10868 * i386.c (x86_decompose_lea): Kill.
10869 (ix86_rtx_costs): Kill.
10871 2006-01-11 Jan Hubicka <jh@suse.cz>
10873 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10874 * cgraph.h (cgraph_node): Add inline_decl.
10875 (cgraph_insert_node_to_hashtable): Declare.
10876 (save_inline_function_body): Declare.
10877 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10879 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10880 (cgraph_function_versioning): Update call of tree_function_versioning.
10881 (save_inline_function_body): New function.
10882 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10883 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10884 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10885 (cgraph_default_inline_p): Likewise.
10886 (cgraph_decide_inlining_incrementally): Likewise.
10887 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10888 (copy_bb): Kill saving; do updating of clones.
10889 (copy_cfg_body): Kill saving.
10890 (initialize_inlined-parameters): Likewise.
10891 (expand_call_inline): Likewise.
10893 (tree_function_versioning): New parameter "update_clones".
10894 (inlining_p): Kill saving.
10895 * tree-inline.h (tree_function_versioning): Update prototype.
10896 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10899 2006-01-11 Ian Lance Taylor <ian@airs.com>
10901 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10902 Allow undoing set of machine mode.
10903 (do_SUBST): Use enums instead of is_int.
10904 (do_SUBST_MODE): New function.
10905 (SUBST_MODE): New macro.
10906 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10907 reg and trying to replace reg_regno_rtx with a new register.
10908 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10909 (simplify_set): Use SUBST_MODE.
10910 (distribute_notes): Remove code that tried to update reg notes
10911 for regno_reg_rtx changes.
10913 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10915 PR tree-optimization/23109
10916 PR tree-optimization/23948
10917 PR tree-optimization/24123
10919 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10920 * tree-cfg.c (single_noncomplex_succ): New.
10921 * tree-flow.h (single_noncomplex_succ): Declare it.
10922 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10923 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10924 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10925 insert_bb, register_division_in, insert_reciprocals,
10926 replace_reciprocal, free_bb): New.
10927 (execute_cse_reciprocals_1): Rewritten.
10928 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10929 Do not commit any edge insertion. Always compute dominators and
10930 create the allocation pool.
10931 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10932 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10933 * targhooks.c (default_min_divistions_for_recip_mul): New.
10934 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10935 * passes.c (init_optimization_passes): Run recip after tree loop
10937 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10939 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10940 Kenneth Zadeck <zadeck@naturalbridge.com>
10942 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10943 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10944 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10945 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10946 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10947 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10948 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10949 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10950 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10951 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10952 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10953 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10954 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10955 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10956 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10957 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10958 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10959 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10960 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10961 DF_SCAN_POST_ALLOC): New macros.
10962 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10963 df_free_bb_function, df_local_compute_function, df_init_function,
10964 df_dataflow_function, df_confluence_function_0,
10965 df_confluence_function_n, df_transfer_function,
10966 df_finalizer_function, df_free_function, df_dump_problem_function,
10967 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10968 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10969 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10970 df_urec_bb_info, ) New types.
10971 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10973 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10974 df_analyze_simple_change_some_blocks,
10975 df_analyze_simple_change_one_block, df_compact_blocks,
10976 df_bb_replace, df_bb_regno_last_use_find,
10977 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10978 df_insn_regno_def_p, df_find_def, df_find_use,
10979 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10980 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10981 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10982 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10983 debug_df_chain, df_get_dependent_problem, df_chain_create,
10984 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10985 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10986 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10987 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10988 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10989 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10990 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10991 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10992 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10993 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10994 df_reorganize_refs, df_set_state, df_hard_reg_init,
10995 df_read_modify_subreg_p) New public functions.
10996 * df-core.c: The core dataflow solver and glue routines for rtl
10998 (df_init, df_add_problem, df_set_blocks, df_finish,
10999 df_hybrid_search_forward, df_hybrid_search_backward,
11000 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11001 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11002 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11003 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11004 df_reg_defined, df_find_use, df_reg_used, df_dump,
11005 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11006 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11007 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11008 debug_df_useno, reset_df_after_reload): New functions.
11009 * df-scan.c: The scanning fuctions, once in df.c, completely
11010 rewritten so that they now fully model the functionality of
11011 register usage at the backend.
11012 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11013 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11014 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11015 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11016 df_get_artificial_defs, df_get_artificial_uses,
11017 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11018 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11019 df_refs_delete, df_reorganize_refs, df_set_state,
11020 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11021 df_def_record_1, df_defs_record, df_uses_record,
11022 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11023 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11024 df_record_exit_block_uses, df_hard_reg_init): New functions.
11026 * df-problems.c: Seven concrete dataflow problems that use the
11027 scanning in df-scan.c and are solved by the engine in df-core.c.
11028 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11029 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11030 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11031 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11032 df_ru_free_bb_info, df_ru_alloc,
11033 df_ru_bb_local_compute_process_def,
11034 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11035 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11036 df_ru_transfer_function, df_ru_free, df_ru_dump,
11037 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11038 df_rd_free_bb_info, df_rd_alloc,
11039 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11040 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11041 df_rd_transfer_function, df_rd_free, df_rd_dump,
11042 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11043 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11044 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11045 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11046 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11047 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11048 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11049 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11050 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11051 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11052 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11053 df_urec_mark_reg_use_for_earlyclobber,
11054 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11055 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11056 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11057 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11058 df_chain_create_bb_process_use, df_chain_create_bb,
11059 df_chain_finalize, df_chain_free, df_chains_dump,
11060 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11061 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11062 df_reg_lifetime): New functions.
11063 * df.c: Deleted file.
11064 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11065 consistent with new df api.
11066 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11067 rest_of_handle_sms): Ditto.
11068 * web.c (unionfind_union, union_defs, entry_register, web_main):
11070 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11071 invariant_expr_equal_p, find_defs, check_dependencies,
11072 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11073 free_inv_motion_data, move_loop_invariants): Ditto.
11074 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11075 Update dependencies.
11076 (odf.c): Added defective entry that was deleted later in day.
11077 * sched-deps.c (sched_analyze_1): Ditto.
11079 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11081 * tree-ssa-operands.c (get_expr_operands): Record addressable
11082 variables directly. Do not call add_stmt_operands for CONST_DECLs
11084 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11085 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11087 2006-01-11 Ben Elliston <bje@au.ibm.com>
11089 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11090 function returns true in the positive case.
11092 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11095 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11096 for SI, DI, SF and DF modes. Add alternatives to copy between
11097 general and floating point registers to the 32-bit patterns.
11098 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11099 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11100 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11101 generating 64-bit code.
11102 * config/pa/pa.c (output_move_double): Handle copies between general
11103 and floating registers.
11105 2006-01-10 Stuart Hastings <stuart@apple.com>
11107 * config/i386/i386.md (set_got): Update.
11108 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11109 (builtin_setjmp_receiver): Mach-O support.
11110 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11111 (GOT_SYMBOL_NAME): Define.
11112 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11113 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11114 * config/i386/i386.c (override_options): Revise for Darwin.
11115 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11116 support. (darwin_x86_file_end): New. (output_set_got): Add label
11117 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11118 * config/i386/i386-protos.h (output_set_got): Likewise.
11119 * config/darwin.c (machopic_legitimize_pic_address): Update
11122 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11124 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11125 when MODE isn't BLKmode.
11127 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11129 PR rtl-optimization/25367
11130 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11132 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11135 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11136 for a negative bound.
11138 2006-01-10 Richard Guenther <rguenther@suse.de>
11140 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11141 Never override with anything constraint.
11143 2006-01-10 Jan Beulich <jbeulich@novell.com>
11145 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11146 256 bits when optimize_size.
11148 2006-01-10 Jan Beulich <jbeulich@novell.com>
11150 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11152 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11153 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11156 2006-01-10 Ben Elliston <bje@au.ibm.com>
11158 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11160 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11161 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11162 (USE_FP_FOR_ARG): Reject decimal float modes.
11163 (function_arg_advance): Likewise.
11164 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11165 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11166 point types in AltiVec vectors.
11167 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11168 (rs6000_libcall_value): Likewise.
11170 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11172 * config/xtensa/ieee754-df.S: New file.
11173 * config/xtensa/ieee754-sf.S: New file.
11174 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11175 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11176 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11178 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11180 * config/sh/predicates.md (binary_float_operator,
11181 binary_logical_operator, commutative_float_operator,
11182 equality_comparison_operator, greater_comparison_operator,
11183 less_comparison_operator, logical_operator,
11184 noncommutative_float_operator, shift_operator,
11185 symbol_ref_operand, unary_float_operator): Remove redundant
11188 2006-01-09 Jeff Law <law@redhat.com>
11190 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11191 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11192 now unused arguments. Callers updated.
11193 (eliminate_redundant_computations): Remove now unused arguments,
11195 (local_fold): Remove, no longer used.
11196 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11198 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11199 (simplify_cond): New function.
11200 (forward_propagate_into_cond): Call simplify_cond.
11202 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11204 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11205 (*vec_extractv2di_1_sse): New.
11207 2006-01-09 Ben Elliston <bje@au.ibm.com>
11209 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11211 2006-01-08 Richard Guenther <rguenther@suse.de>
11213 * tree-ssa-structalias.c (get_constraint_for): Remove
11214 anyoffset argument.
11215 (get_constraint_for_component_ref): Likewise.
11216 (do_deref): Likewise.
11217 (get_constraint_for): Likewise.
11218 (do_structure_copy): Likewise.
11219 (handle_ptr_arith): Likewise.
11220 (find_func_aliases): Likewise. Remove unused need_anyoffset
11223 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11224 Kaz Kojima <kkojima@gcc.gnu.org>
11226 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11227 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11228 (EXTRA_CONSTRAINT_C16): Remove.
11229 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11230 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11231 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11232 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11233 constants of SHmedia. Handle nested constant expressions of
11235 (andcosts): Fix the costs for SHmedia constants.
11236 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11237 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11238 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11239 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11240 (movv4hi_i, movv2si_i): Likewise.
11241 (movsi_const): Adjust the second operand of ior so to match with
11242 the Csu constraint.
11243 (movdi_const, movdi_const_32bit): Likewise.
11244 (movdi_const_16bit+1): Don't sign-extend LOW.
11245 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11247 (*double_shori): Fix the split condition. Use GEN_INT instead
11248 of get_int_mode calls. Mask lower 16-bit of the argument of
11250 (sym2GOTPLT): Remove.
11251 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11253 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11254 instead of EXTRA_CONSTRAINT_C16.
11256 2006-01-07 Ian Lance Taylor <ian@airs.com>
11257 David Edelsohn <edelsohn@gnu.org>
11259 PR rtl-optimization/25662
11260 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11261 for constant operands instead of simplify_gen_binary.
11262 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11263 after trying simplify_binary_operation
11265 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11267 * tree.c (iterative_hash_expr): Hash decls based on UID.
11269 2006-01-06 Eric Christopher <echristo@apple.com>
11271 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11272 (TARGET_UNWIND_EMIT): Fix spelling.
11273 * target.h (gcc_target): Add except_table_label.
11274 * except.c (output_function_exception_table): Use.
11275 * varasm.c (default_emit_except_table_label): New.
11276 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11278 (asm_out): Add here.
11279 * output.h (default_emit_except_table_label): Prototype.
11280 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11281 * config/darwin.c (darwin_emit_except_table_label): Define.
11282 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11284 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11286 PR tree-optimization/18527
11287 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11288 number_of_iterations_special, number_of_iterations_exit):
11289 Move base and step of an iv to a single structure. Add
11290 no_overflow flag, and use it in # of iterations analysis.
11291 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11292 folded_casts argument.
11293 (simple_iv): Pass base and step in a structure. Set no_overflow
11295 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11296 Evaluate expensiveness of computing # of iterations instead of
11297 the final expression.
11298 * tree-scalar-evolution.h (affine_iv): New structure.
11299 (simple_iv): Declaration changed.
11300 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11301 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11302 find_givs_in_stmt): Changed due to simple_iv change.
11304 2006-01-06 Jeff Law <law@redhat.com>
11307 * tree-cfg.c (bsi_replace): Rename final argument from
11308 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11309 change (stmt -> orig_stmt).
11310 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11311 (bsi_remove): Add new argument. Remove EH information
11313 (verify_eh_throw_table_statements): New function.
11314 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11316 * tree-optimize.c (execute_free_cfg_annotations): Verify
11317 the EH throw statement table after removing annotations.
11318 * except.h (verify_eh_throw_table_statements): Prototype.
11319 * tree-flow.h (bsi_remove): Update prototype.
11320 * tree-vrp.c (remove_range_assertions): Add new argument to
11322 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11323 * tree-complex.c (expand_complex_div_wide): Likewise.
11324 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11325 * tree-tailcall.c (eliminate_tailcall): Likewise.
11326 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11327 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11328 * tree-nrv.c (tree_nrv): Likewise.
11329 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11330 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11331 (combine_blocks): Likewise.
11332 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11333 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11334 (cleanup_control_flow): Likewise.
11335 (remove_forwarder_block): Likewise.
11336 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11337 * tree-sra.c (sra_replace): Likewise.
11338 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11339 (forward_propagate_single_use_vars): Likewise.
11340 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11341 * tree-inline.c (expand_call_inline): Likewise.
11342 * tree-vect-transform.c (vect_transform_loop): Likewise.
11343 * tree-outof-ssa.c (rewrite_trees): Likewise.
11344 * tree-cfg.c (make_goto_expr_edges): Likewise.
11345 (cleanup_dead_labels): Likewise.
11346 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11347 (bsi_move_before, bsi_move_after): Likewise.
11348 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11349 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11351 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11354 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11356 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11357 on non gimple variables. Also add checks at the top for decls and
11359 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11361 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11362 and IMAGPART_EXPR for creating MUST_DEFs.
11363 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11364 and NAME_MEMORY_TAG separately from the DECLs.
11366 2006-01-06 Richard Guenther <rguenther@suse.de>
11368 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11369 annotation, if necessary.
11370 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11371 redundant calls to update_stmt.
11372 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11375 2006-01-05 Richard Henderson <rth@redhat.com>
11377 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11379 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11381 * c-typeck.c: Update copyright date.
11383 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11385 * c-typeck.c (build_c_cast): Always warn when casting
11386 from a pointer to an integer of different size, even if
11387 the node was constant.
11389 2006-01-05 Richard Guenther <rguenther@suse.de>
11391 PR tree-optimization/22555
11392 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11393 if one structure field is an array.
11394 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11395 operands even if we found a subvar, but ignore VOPs in this
11397 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11399 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11401 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11403 PR middle-end/24998
11404 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11406 2006-01-05 Richard Guenther <rguenther@suse.de>
11407 Diego Novillo <dnovillo@redhat.com>
11409 * tree-pass.h (TODO_remove_unused_locals): Define.
11410 * gimple-low.c (expand_var_p, remove_useless_vars,
11411 pass_remove_useless_vars): Remove. Update all users.
11412 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11413 (remove_unused_locals): New function.
11414 * tree-flow.h (remove_unused_locals): Declare.
11415 * passes.c (execute_todo): Call remove_unused_locals if
11416 TODO_remove_unused_locals is set.
11417 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11418 * tree-ssa-dce.c (pass_dce): Likewise.
11419 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11421 2006-01-05 Richard Guenther <rguenther@suse.de>
11423 * tree-flow.h (struct fieldoff): Decompose field to
11424 type, size and decl.
11425 * tree-ssa-alias.c (create_sft): Take type as parameter.
11426 (create_overlap_variables_for): Store type, size and decl
11427 in the fieldoff structure.
11428 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11429 of struct fieldoff.
11430 (push_fields_onto_fieldstack): Likewise.
11431 (create_variable_info_for): Likewise. Use offset for the
11432 SFT name if the decl is not available.
11434 2006-01-04 Paul Brook <paul@codesourcery.com>
11436 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11438 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11440 * lambda-code.c (can_put_in_inner_loop): Relax
11442 (can_put_after_inner_loop): New function.
11443 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11444 (perfect_nestify): Change to make copies and modify uses.
11446 2006-01-04 Richard Henderson <rth@redhat.com>
11448 Merge from gomp branch:
11449 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11450 via integer constant.
11451 (pragma_lex): Remove.
11452 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11453 rather than parsing it.
11454 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11455 handle_pragma_extern_prefix): Add %< %> quotes.
11456 (registered_pragmas): New.
11457 (c_register_pragma_1): New.
11458 (c_register_pragma): Use it.
11459 (c_register_pragma_with_expansion): Likewise.
11460 (c_invoke_pragma_handler): New.
11461 (init_pragma): Use cpp_register_deferred_pragma directly for
11463 * c-pragma.h (enum pragma_kind): New.
11464 (pragma_handler): New.
11465 (c_invoke_pragma_handler): Declare.
11466 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11468 * c-common.h (c_common_pch_pragma): Update decl.
11469 * Makefile.in (c-parser.o): Update dependencies.
11470 (GTFILES): Add c-pragma.h.
11471 * c-parser.c (struct c_token): Add pragma_kind.
11472 (struct c_parser): Add in_pragma.
11473 (c_lex_one_token): Always initialize keyword and pragma_kind.
11474 Extract data for CPP_PRAGMA.
11475 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11476 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11477 Don't allow CPP_PRAGMA_EOL if in_pragma.
11478 (c_parser_consume_pragma): New.
11479 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11480 (c_parser_skip_to_end_of_parameter): Likewise.
11481 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11482 (c_parser_skip_to_pragma_eol): New.
11483 (c_parser_external_declaration): Handle CPP_PRAGMA.
11484 (c_parser_compound_statement_nostart): Likewise.
11485 (c_parser_statement_after_labels): Likewise.
11486 (c_parser_pragma): New.
11487 (pragma_lex): Likewise.
11488 (c_parser_pragma_pch_preprocess): New.
11489 (c_parser_new): Merge into ...
11490 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11492 2006-01-04 Jeff Law <law@redhat.com>
11495 * tree-cfg.c (bsi_replace): Remove the original statement
11496 from the EH throw statement table.
11498 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11500 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11501 make the prototype extern "C" and add throw ().
11504 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11505 and pos non-negative and pos + len <= 32.
11506 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11507 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11508 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11511 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11512 as well as sizes not multiple of component size.
11515 * function.c (instantiate_expr): New function.
11516 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11517 walk its DECL_VALUE_EXPR with instantiate_expr.
11519 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11520 DW_OP_deref{,_size} if address isn't going to be added.
11522 2006-01-04 Ben Elliston <bje@au.ibm.com>
11524 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11525 * config/fp-bit.c: Likewise.
11527 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11529 * dominance.c: Add comment about why we use DFS numbering
11532 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11533 Richard Henderson <rth@redhat.com>
11535 Merge from gomp-branch:
11536 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11537 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11539 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11541 PR rtl-optimization/25578
11542 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11543 pass a parameter to simplify_shift_const if changing ASHIFTRT
11546 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11548 * builtins.c (get_builtin_sync_mem): New function.
11549 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11550 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11551 Call get_builtin_sync_mem to generate mem rtx.
11553 2006-01-03 Richard Guenther <rguenther@suse.de>
11556 * stmt.c (add_case_node): Make sure to clear overflow flags
11559 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11561 Merge from gomp-branch.
11562 * config/sparc/sync.md: New file.
11563 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11564 UNSPECV_LDSTUB): New constants.
11565 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11566 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11567 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11570 2006-01-03 Roger Sayle <roger@eyesopen.com>
11572 * combine.c (reg_subword_p): New predicate to test whether the
11573 destination of a set refers to a subword/piece of a register.
11574 (try_combine): Generalize the code to merge the setting of a
11575 pseudo to a constant followed by a set of a subword of that
11576 register to a constant.
11578 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11580 * basic-block.h (control_flow_graph): Change the type of
11581 x_label_to_block_map to VEC(basic_block,gc) *.
11582 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11583 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11585 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11586 VEC(basic_block,heap) *.
11587 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11588 ssa_prop_fini): Adjust the uses of cfg_blocks.
11590 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11592 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11594 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11595 hashing trees instead of a pointer hash.
11596 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11597 compare for MEM_EXPR.
11599 PR rtl-optimization/25130
11600 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11601 when comparing MEMs for GCSE
11603 2006-01-03 Ben Elliston <bje@au.ibm.com>
11605 * targhooks.h (default_decimal_float_supported_p): Declare.
11606 * targhooks.c (default_decimal_float_supported_p): Define.
11607 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11608 `default_decimal_float_supported_p'.
11609 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11611 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11613 * combine.c (apply_distributive_law <SUBREG>): Check
11614 TRULY_NOOP_TRUNCATION.
11616 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11618 * dwarf2out.c (have_switched_text_section): Delete.
11619 (have_multiple_function_sections): New.
11620 (have_location_lists): Make 'bool'.
11621 (add_AT_loc_list): Use 'true' not '1'.
11622 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11623 (output_loc_list): Use have_multiple_function_sections.
11624 (output_ranges): Likewise.
11625 (dwarf2out_begin_function): Set have_multiple_function_sections if
11627 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11628 Check function_section rather than DECL_SECTION_NAME.
11629 (dwarf2out_finish): Use have_multiple_function_sections.
11630 Don't clear have_location_lists.
11632 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11633 Jan Hubicka <jh@suse.cz>
11635 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11636 case of conditional jump jumping to the next instruction.
11637 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11638 cases of conditional jump jumping to the next instruction.
11640 2006-01-02 Jan Hubicka <jh@suse.cz>
11642 * i386.c (*_cost): Add COSTS_N_INSNS.
11643 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11645 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11648 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11650 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11652 * config/arm/arm.c (all_fpus): Fix comment typo.
11653 * config/darwin.c: Likewise.
11654 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11655 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11656 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11658 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11660 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11661 (rs6000_split_compare_and_swapqhi): New.
11662 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11663 (sync_compare_and_swapqhi_internal): New.
11664 * config/rs6000/rs6000-protos.h: Declare.