1 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3 PR rtl-optimization/27661
4 * reload.c (find_reloads): When reloading a VOIDmode constant
5 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6 use Pmode as mode of the reload register.
8 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11 is enabled at -O and above.
13 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
16 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
19 2006-05-25 Mark Mitchell <mark@codesourcery.com>
22 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
23 for anonymous variables explicitly declared by front ends.
25 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
27 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
28 (struct alias_info): Add new field ref_all_symbol_mem_tag.
29 * tree-ssa-alias.c (compute_may_aliases): If the program contains
30 ref-all pointers, run a finalization pass for them.
31 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
32 (finalize_ref_all_pointers): New function.
33 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
34 regular pointer type to a ref-all pointer type.
35 (get_tmt_for): Return the special memory tag for ref-all pointers.
37 2006-05-25 Richard Guenther <rguenther@suse.de>
40 * fold-const.c (fold_binary): Do not look at the stripped
41 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
43 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
45 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
46 for LT and GT if the computed range is effectively empty.
48 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
51 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
52 mips_quad_format formats instead of ieee_single_format,
53 ieee_double_format and ieee_quad_format formats, respectively.
55 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
57 PR tree-optimization/27639
58 PR tree-optimization/26719
59 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
60 call to scev_probably_wraps_p.
61 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
62 used_in_pointer_arithmetic_p, convert_step): Removed.
63 (nowrap_type_p): New function.
64 (scev_probably_wraps_p): Rewritten.
65 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
66 chrec_convert if chrec_convert_aggressive might have been used.
67 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
68 scev_direction): New functions.
69 (chrec_convert): Changed to a wrapper over chrec_convert_1.
70 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
71 instead of convert_step.
72 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
73 (convert_step): Declaration removed.
74 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
76 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
78 * df-core.c: Added to header comments.
79 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
80 df_ur_bb_info, df_urec_bb_info): Added comments.
81 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
82 urec, ri problems): Fixed header comments.
83 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
84 code from df_rd_transfer_function.
86 2006-05-23 Richard Sandiford <richard@codesourcery.com>
88 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
89 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
90 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
92 2006-05-23 Joseph Myers <joseph@codesourcery.com>
94 * expr.c (undefined_operand_subword_p): New.
95 (emit_move_multi_word): Do not generate move from undefined bits
96 of a paradoxical subreg.
98 2006-05-23 Richard Sandiford <richard@codesourcery.com>
100 PR rtl-optimization/27736
101 * combine.c (replaced_rhs_value): New variable.
102 (combine_instructions): Set it.
103 (distribute_notes): When distributing a note in replaced_rhs_insn,
104 check whether the value was used in replaced_rhs_value.
106 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
109 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
110 add_referenced_var instead of add_referenced_tmp_var.
111 * tree-complex.c (create_one_component_var): Use add_referenced_var.
112 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
114 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
115 tree_optimize_tail_calls_1): Use add_referenced_var.
116 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
117 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
118 Use add_referenced_var.
119 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
120 * gimplify.c (force_gimple_operand): Use add_referenced_var.
121 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
122 Use add_referenced_var.
123 * tree-dfa.c (struct walk_state): Remove.
124 (find_referenced_vars): Remove walk state and vars_found hash table.
125 (make_rename_temp): Use add_referenced_var.
126 (find_vars_r): Pass less parameters to add_referenced_var.
127 (referenced_var_p): New. Is var in referenced_var hash table.
128 (referenced_var_insert): Assert var isn't already in hash table.
129 (add_referenced_var): Don't need walk_state parameter. Add var if it
130 isn't already in the hash table.
131 (add_referenced_tmp_var): Remove.
132 (find_new_referenced_vars_1): Use add_referenced_var.
133 * tree-ssa-pre.c (create_expression_by_pieces,
134 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
135 Use add_referenced_var.
136 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
137 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
138 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
140 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
141 vect_create_data_ref_ptr, vect_create_destination_var,
142 vect_init_vector, vect_build_loop_niters,
143 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
144 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
145 Use add_referenced_var.
146 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
147 * tree-flow.h (add_referenced_tmp_var): Remove prototype
148 (add_referenced_var): Add prototype.
149 * tree-ssa-structalias.c (get_constraint_for,
150 intra_create_variable_infos): Use add_referenced_var.
152 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
154 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
155 big-endian paradoxical subregs.
156 * var-tracking.c (struct micro_operation_def): Document that,
157 for modify micro operations, insn is the subsequent instruction.
158 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
159 (var_reg_set, var_mem_set): ... new functions.
160 (add_stores): Record subsequent insn.
161 (compute_bb_dataflow): Use new functions for MO_USE.
162 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
163 notes after the insn, and modify notes before the insn known
164 to be the subsequent one.
165 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
167 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
170 * config/i386/i386.c (ix86_expand_builtin): Use
171 gen_sse3_monitor64 for TARGET_64BIT.
173 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
175 PR rtl-optimization/26375
176 PR rtl-optimization/26855
177 * df-problems (df_ru_bb_local_compute_process_def): Removed update
179 (df_ru_bb_local_compute): Reversed statements and removed bogus
180 comment explaining why they should be in wrong order.
181 (df_ru_dump, df_rd_dump): Enhanced debug info.
182 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
184 * ddg.c (add_deps_for_def): Converted use of reaching defs to
185 reaching uses and fixed space problem.
187 2006-05-23 Jan Hubicka <jh@suse.cz>
189 * cgraphunit.c (decide_is_function_needed): Also nested functions
190 and functions declared inline can be optimized out at -O0.
192 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
194 * doc/install.texi (Configuration): Remove reference to CrossGCC
195 FAQ which was hijacked.
198 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
201 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
202 ix86_compare_emitted is non-NULL.
204 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
207 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
210 2006-05-22 Richard Sandiford <richard@codesourcery.com>
212 PR rtl-optimization/25514
213 * combine.c (replaced_rhs_insn): New variable.
214 (combine_instructions): Set replaced_rhs_insn when trying to replace
215 a SET_SRC with a REG_EQUAL note.
216 (distribute_notes): Use replaced_rhs_insn when determining the live
217 range of a REG_DEAD register.
219 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
220 Anatoly Sokolov <aesok@post.ru>
222 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
223 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
224 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
225 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
226 atmega3290, atmega649, atmega6490, atmega406, atmega640,
227 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
228 at90usb647, at90usb1286 and at90usb1287 devices.
229 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
230 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
232 2006-05-22 Richard Sandiford <richard@codesourcery.com>
234 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
236 2006-05-22 Richard Guenther <rguenther@suse.de>
239 2006-01-31 Richard Guenther <rguenther@suse.de>
240 Paolo Bonzini <bonzini@gnu.org>
242 * doc/install.texi (--disable-libgcc-math): Document.
244 2006-05-22 Richard Guenther <rguenther@suse.de>
247 2006-01-31 Richard Guenther <rguenther@suse.de>
249 * doc/invoke.texi (-msselibm): Document.
250 * target.h (expand_library_builtin): New target hook.
251 * builtins.c (expand_builtin): Use expand_library_builtin.
252 (default_expand_library_builtin): New function.
253 * gcc.c (LINK_GCC_MATH_SPEC): Define.
254 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
255 (link_gcc_math_spec): Declare.
256 (static_specs): Add link_gcc_math_spec.
257 * expr.h (default_expand_library_builtin): Declare.
258 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
259 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
260 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
261 * config/i386/i386.opt (msselibm): New target option.
262 * config/i386/i386.c (ix86_builtin_function_variants): New array.
263 (ix86_init_sse_abi_builtins): New function.
264 (ix86_expand_library_builtin): Likewise.
265 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
266 (override_options): Handle error conditions wrt -msselibm.
267 (ix86_builtins): Add function codes for SSE2 ABI builtins.
268 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
269 * doc/extend.texi (__builtin_sse2_*): Document new target specific
272 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
275 * c-common.c (self_promoting_args_p): Skip erroneous args.
278 * c-decl.c (finish_struct): Skip erroneous fields.
280 2006-05-22 Nick Clifton <nickc@redhat.com>
282 * config/cris/cris.opt (march): Remove VarExists attribute.
283 (max-stackframe=): Likewise.
285 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
287 * doc/rtl.texi: Fix a typo.
288 * see.c: Fix comment typos.
290 * tree-ssa-structalias.h (alias_info): Remove num_references.
292 2006-05-21 Mike Stump <mrs@apple.com>
294 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
296 (darwin_pragma_options): Use BAD instead.
297 (darwin_pragma_unused): Likewise.
298 (darwin_pragma_ms_struct): Likewise.
300 2006-05-21 David Edelsohn <edelsohn@gnu.org>
302 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
304 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
306 PR rtl-optimization/27671
307 * simplify-rtx.c (simplify_relational_operation_1): Fix
308 simplifications of (eq/ne (xor x y) y) and
311 PR tree-optimization/26622.
312 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
315 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
317 * tree-cfg.c: Prune whitespace.
318 (debug_tree_cfg): Point to correct header containing the
321 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
324 * cgraphunit.c (verify_cgraph_node): Typo in error message.
326 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
329 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
330 or sorry count is non zero.
332 2006-05-20 Andreas Schwab <schwab@suse.de>
334 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
336 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
337 Kenneth Zadeck <zadeck@naturalbridge.com>
339 PR rtl-optimization/26855
341 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
343 (df_scan_alloc): Added code to properly handle multiword hard
344 registers and add all_blocks parameter.
345 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
346 code to properly handle multiword hard registers.
347 (df_rescan_blocks): Added code to remove deleted blocks from
349 (df_ref_create_structure, df_ref_record): Added code to properly
351 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
352 and set DF_REF_PARTIAL.
353 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
354 (df_uses_record): Added DF_REF_PARTIAL for subreg.
355 (df_scan_add_problem): Added flags parameter.
356 (df_ref_create_structure): Changed switching structure.
357 (df_bb_refs_record): Fixed case where duplicate artificial refs
358 were created. Changed location of flags.
359 (df_record_entry_block_defs): Added code to make stack pointer
360 live in entry block. Refined cases where frame pointer is needed.
361 Changed location of flags.
362 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
363 (df_set_state): Removed function.
364 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
365 df_insn_create_insn_record, df_insn_refs_delete,
366 df_ref_create_structure): Formatting changes.
367 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
368 df_delete_basic_block): New function.
369 (df_init): Changed location of flags.
370 (df_add_problem): Added flags parameter and the way flags are
372 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
373 debug_df_chain): Improved debugging output.
374 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
375 (df_refs_chain_dump): Removed df parameter.
376 (df_iterative_dataflow): Added consistency check.
377 (df_prune_to_subcfg): Made public.
378 (df_analyze_problem): Added blocks_to_init parameter and made
380 (df_ref_record, df_bb_refs_record, df_mark_reg,
381 df_record_exit_block_uses): Whitespace changes.
382 (df_dump): Whitespace changes.
383 * df.h: Some reordering to remove forward references.
384 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
385 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
386 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
387 (dataflow.flags): New field.
388 (df.flag): Deleted field.
389 (df_alloc_function): Added additional bitmap parameter.
390 (df_dependent_problem_function): New type.
391 (df_problem.changeable_flags): New field.
392 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
393 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
394 (df_mw_hardreg): New struct.
395 (DF_INSN_UID_MWS): New macro.
396 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
398 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
399 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
400 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
401 (df_set_state): Removed function.
402 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
403 * df-problems.c (df_chain_dump): Removed df parameter.
404 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
405 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
407 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
408 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
409 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
410 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
411 DF_REF_MUST_CLOBBER cases.
412 (df_ru_bb_local_compute_process_def,
413 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
414 df_lr_bb_local_compute, df_ur_bb_local_compute,
415 df_chain_create_bb): Made subreg aware.
416 (df_ru_bb_local_compute, df_rd_bb_local_compute,
417 df_lr_bb_local_compute, df_lr_bb_local_compute,
418 df_chain_create_bb): Cleanup to use proper macros.
419 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
420 code to fixup bitvectors.
421 (df_ri_alloc): Cleared lifetime.
422 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
423 df_create_unused_note): New function.
424 (df_ri_bb_compute, df_ri_compute): Added code to create/update
425 REG_DEAD and REG_UNUSED notes as well as register information.
426 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
427 df_chains_dump): Fixed crash if problem was never run.
428 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
429 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
430 df_ri_add_problem): Processes flags in uniform manner.
431 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
432 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
433 df_rd_dump, df_urec_free_bb_info): Formatting changes.
434 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
435 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
436 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
437 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
438 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
439 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
440 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
441 * see.c (see_initialize_data): Ditto.
442 * final.c (rest_of_clean_state) Added regstack_completed.
443 * rtl.h (regstack_completed): Ditto.
444 * reg-stack.c (regstack_completed): Ditto.
446 2006-05-19 Mike Stump <mrs@apple.com>
448 * c-tree.h (default_conversion): Remove.
449 * c-common.h (default_conversion): Add.
451 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
453 * tree-vrp.c (valid_value_p): New function.
454 (adjust_range_with_scev): Fail if the value of bound is not
457 2006-05-19 Richard Sandiford <richard@codesourcery.com>
459 * config/mips/linux-unwind.h: Include <asm/unistd.h>
460 (mips_fallback_frame_state): Use syscall numbers to determine
461 the appropriate li instruction for the current ABI. Only use
462 __NR_sigreturn for o32.
464 2006-05-19 Nicolas Setton <setton@adacore.com>
466 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
467 * langhooks.c (lhd_dwarf_name): New function.
468 * langhooks-def.h (lhd_dwarf_name): Declare.
469 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
470 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
471 * ada/misc.c (gnat_dwarf_name): New function.
472 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
474 2006-05-19 Richard Sandiford <richard@codesourcery.com>
476 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
478 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
479 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
480 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
481 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
482 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
483 determine the size of Wtype, etc.
484 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
485 (swfloatfuncs): New variable.
486 (dwfloatfuncs): Likewise.
487 (lib2funcs): Remove floating-point conversion functions from
488 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
489 the set of conversion routines needed. Allow entries to specify
490 an object name, filename and word size. Update users accordingly.
491 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
492 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
496 2006-02-08 Roger Sayle <roger@eyesopen.com>
499 * config/fixtfdi.c: New libgcc source file.
500 * config/fixunstfdi.c: New source file.
501 * config/floatditf.c: New source file.
502 * config/floatunditf.c: New souce file.
503 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
504 files above instead of config/mips/_tilib.c.
505 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
507 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
509 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
510 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
512 2006-05-18 Mike Stump <mrs@apple.com>
514 Fix up vla, vm and [*] sematics.
520 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
521 (c_vla_unspec_p): Add.
523 * c-decl.c (struct c_scope): Add had_vla_unspec.
524 (build_array_declarator): Add support for [*].
525 (grokdeclarator): Likewise.
526 (grokparms): Likewise.
527 (get_parm_info): Likewise.
528 * c-objc-common.c (c_vla_unspec_p): Likewise.
529 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
530 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
531 typeof when argument is a variably modified type not inside sizeof or alignof.
532 (c_parser_direct_declarator_inner): Propagate errors.
533 (c_parser_sizeof_expression): Add support for [*].
534 (c_parser_parms_declarator): Initialize had_vla_unspec.
535 (c_parser_parms_list_declarator): Likewise.
536 * c-typeck.c (c_vla_type_p): Add.
537 (composite_type): Add support for vla compositing.
538 (comptypes_internal): Add support for vla compatibility.
539 (c_expr_sizeof_expr): Evaluate vla arguments.
540 * tree.c (variably_modified_type_p): Update comment for [*].
542 2006-05-18 Michael Matz <matz@suse.de>
545 * config.host: Make assignments to host_xmake_file cumulative.
546 * config.host (*-darwin*): Test $host, not $target.
548 2006-05-12 Stuart Hastings <stuart@apple.com>
550 * config/i386/i386.opt (-mstackrealign): New flag.
551 * config/i386/i386.c (force_align_arg_pointer): New attribute.
552 (ix86_handle_cconv_attribute): Emit error when
553 force_align_arg_pointer attribute collides with too many regparms.
554 (ix86_function_regparm): Limit regparms when used with
555 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
556 Support stack-realigning prologue in non-main functions. Emit
557 warning for nested functions under -mstackrealign, emit error for
558 nested functions with force_align_arg_pointer attribute.
559 * doc/extend.texi (force_align_arg_pointer): Document it.
560 * doc/invoke.texi (-mstackrealign): Document it.
562 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
564 PR rtl-optimization/27477
565 * combine.c (try_combine): Don't split a parallel consisting
566 of two sets into two individual sets if both sets reference
569 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
571 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
572 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
574 * doc/options.texi (VarExists): Updated.
576 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
578 * unwind-dw2.c: Add declarations for uw_update_context and
580 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
581 detected, advance frame state and context once to skip over stub.
583 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
587 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
588 Call rewrite_into_loop_closed_ssa only when something changed.
589 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
590 * lambda-code.c (can_convert_to_perfect_nest): Declared.
591 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
592 Test for perfect_nest_p here. Fix formating.
593 (replace_uses_equiv_to_x_with_y): Fix formating.
594 (stmt_uses_op): Removed.
595 (can_convert_to_perfect_nest): Removed loopivs parameter.
596 Complete the test by checking the scalar dependences.
597 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
600 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
603 From Dan Kegel <dank@kegel.com>:
604 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
606 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
608 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
609 if the element type is variably modified without recursing.
611 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
614 * tree-loop-linear.c (try_interchange_loops): Test for
617 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
619 PR tree-optimization/27548
620 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
621 range of ssa names that appear on abnormal edges.
622 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
623 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
625 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
628 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
630 2006-05-17 Jakub Jelinek <jakub@redhat.com>
633 * tree.h (OMP_PARALLEL_COMBINED): Define.
634 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
635 (new_omp_context): Add is_combined_parallel argument.
636 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
637 new_omp_context caller.
638 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
639 Adjust gimplify_scan_omp_clauses callers.
640 (omp_is_private): Issue errors if iteration variable is firstprivate
641 or reduction in the current context.
642 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
643 on combined parallel workshare constructs.
645 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
647 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
648 (gcc-options.o): New rule.
650 * optc-gen.awk: Protect variables for gcc-options.o with
651 #ifdef GCC_DRIVER/#endif.
653 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
655 Fix PR tree-optimization/27373
656 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
657 (forward_propagate_addr_expr): Update call.
659 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
661 * doc/options.texi: Move the Negative option.
663 2006-05-16 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/22303
666 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
668 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
669 ccp_fold did not simplify the statement.
671 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
674 * Makefile.in (GCC_OBJS): New.
675 (OBJS-common): Add opts-common.o.
676 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
677 (cpp$(exeext)): Likewise.
678 (gcc.o): Also depend on opts.h.
679 (opts-common.o): New.
681 * common.opt (gcoff): Add Negative(gdwarf-2).
682 (gdwarf-2): Add Negative(gstabs).
683 (gstabs): Add Negative(gstabs+).
684 (gstabs+): Add Negative(gvms).
685 (gvms): Add Negative(gxcoff).
686 (gxcoff): Add Negative(gxcoff+).
687 (gxcoff+): Add Negative(gcoff).
688 * config/i386/i386.opt (m32): Add Negative(m64).
689 (m64): Add Negative(m32).
691 * doc/options.texi: Document the Negative option.
693 * gcc.c: Include "opts.h".
694 (main): Call prune_options after expandargv.
696 * optc-gen.awk: Generate common declarations for all flag
697 variables in options.c. Output the neg_index field.
699 * opts.c (find_opt): Moved to ...
700 * opts-common.c: Here. New file.
702 * opts.h (cl_option): Add a neg_index field.
704 (prune_options): Likewise.
706 2006-05-16 Jakub Jelinek <jakub@redhat.com>
709 * omp-low.c (expand_omp_parallel): Don't assert
710 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
711 instead search for it.
714 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
717 2006-05-16 Andreas Schwab <schwab@suse.de>
719 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
722 2006-05-15 Roger Sayle <roger@eyesopen.com>
725 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
726 integer constants other than zero are only legitimate on TARGET_64BIT.
727 <CONST_VECTOR> Only zero vectors are legitimate.
728 (ix86_cannot_force_const_mem): Integral and vector constants can
729 always be put in the constant pool.
731 2006-05-16 DJ Delorie <dj@redhat.com>
733 * crtstuff.c (__dso_handle): Set section from
734 TARGET_LBIGCC_SDATA_SECTION if defined.
735 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
736 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
738 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
741 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
744 2006-05-16 Ben Elliston <bje@au.ibm.com>
746 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
748 2006-05-15 Per Bothner <per@bothner.com>
750 * tree.c: (last_annotated_node): Use sources_locus typedef.
751 This permits bootstrapping with --enable-mapped-location.
753 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
755 PR tree-optimization/26830
756 * tree-into-ssa.c (struct ssa_name_info): Add age field.
757 (info_for_ssa_name, current_info_for_ssa_name_age,
758 blocks_to_update): New variables.
759 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
760 (clear_ssa_name_info, initialize_flags_in_bb,
761 mark_block_for_update): New functions.
762 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
763 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
764 prepare_def_site_for): Use mark_block_for_update.
765 (mark_def_interesting): Assert that the processed block is marked in
766 blocks_to_update. Do not take blocks argument.
767 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
769 (rewrite_update_init_block, rewrite_update_stmt): Only process
770 blocks with statements to rewrite.
771 (delete_update_ssa): Do not clear SSA_NAME_AUX.
772 (update_ssa): Initialize and free blocks_to_update. Do not
773 clear flags on statements. Do not use blocks bitmap.
774 * tree.h (SSA_NAME_AUX): Removed.
775 (struct tree_ssa_name): Removed aux field.
776 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
778 2006-05-15 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/27603
781 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
782 Do computations in original type.
784 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
786 * see.c: Code style changes such as redundant paranthesis,
787 redundant intialization of local variables etc.
788 (see_main): Declared now as static.
789 * doc/invoke.texi: Update that -fsee is not enabled by
792 2006-05-15 Jakub Jelinek <jakub@redhat.com>
794 * omp-low.c (check_omp_nesting_restrictions): New function.
795 (scan_omp_1): Call it.
798 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
799 construct, return *VAR.
801 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
803 PR rtl-optimization/27406
804 * bt-load.c (migrate_btr_def): Skip the block having abnormal
807 2006-05-14 Roger Sayle <roger@eyesopen.com>
809 PR rtl-optimization/27538
810 * combine.c (expand_compound_operation): Call gen_lowpart
811 before calling simplify_shift_const.
813 2006-05-14 Roger Sayle <roger@eyesopen.com>
815 PR rtl-optimization/22563
816 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
817 a fixed width bitfield, always force the intermediates into psuedos.
819 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
822 * mkconfig.sh: Use operator = instead of == for test.
824 2006-05-13 Nick Clifton <nickc@redhat.com>
826 * dwarf2out.c (dbx_reg_number): Check return value from
827 LEAF_REG_REMAP and only use it if it is valid.
828 (multiple_reg_loc_descriptor): Likewise.
830 2006-05-13 Richard Guenther <rguenther@suse.de>
832 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
835 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
837 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
838 information attached to non-INSNs such as NOTEs.
839 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
841 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
843 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
845 * config/s390/s390.md: Adjust comment describing On constraint.
847 2006-05-11 Jan Hubicka <jh@suse.cz>
849 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
852 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
855 * fold-const.c (size_binop): Move sanity check for arguments to
856 the beginning of the function.
859 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
862 2006-05-11 Richard Guenther <rguenther@suse.de>
865 * fold-const.c (fold_unary): Handle intermediate conversion
866 to a pointer type like intermediate conversion to an integer
867 type in folding of (T1)(T2)var to var.
868 Match the code to the comment in the final conversion for
869 (T1)(T2)var to (T1)var regarding to type precision. Rather
870 than disallow T1 being of pointer type, assert that both T1
871 and var are of pointer type or not. Make sure not to fall
872 over the frontends lazyness wrt array to pointer decay though.
874 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
876 * arm.c (arm_struct_value_rtx): Delete.
877 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
878 (arm_init_cumulative_args): Always initialize nregs to zero.
880 2006-05-10 Richard Guenther <rguenther@suse.de>
882 PR tree-optimization/27532
883 * tree-object-size.c (plus_expr_object_size): Fix typo.
885 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
888 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
889 ashrdi_const, ashrdi3): Use a scratch register.
891 2006-05-10 Richard Guenther <rguenther@suse.de>
893 PR tree-optimization/27302
894 * fold-const.c (operand_equal_p): For two comparisons,
895 try comparison of one comparison code swapped if that yields
898 2006-05-10 Ben Elliston <bje@au.ibm.com>
900 * tree-pretty-print.c (pretty_print_string): No need to handle
901 '\0' as a special character.
903 * tree.h: Include "hashtab.h".
904 (iterative_hash_expr): Use hashval_t in its prototype.
905 * Makefile.in (TREE_H): Add $(HASHTAB_H).
907 2006-05-09 Steve Ellcey <sje@cup.hp.com>
910 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
911 (hppa*64*-*-hpux11*): Ditto.
912 (hppa[12]*-*-hpux11*): Ditto.
914 2006-05-09 David Edelsohn <edelsohn@gnu.org>
917 * config/rs6000/aix41.h (TARGET_64BIT): Define.
919 2006-05-09 Michael Matz <matz@suse.de>
921 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
922 host_extra_gcc_objs and host_xmake_file.
923 (<*-*-linux*>): Don't overwrite host_xmake_file.
924 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
925 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
926 (host_detect_local_cpu): Declare.
927 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
928 * config/i386/i386.c (override_options): Handle -mtune=native
930 * config/i386/x-i386: New file.
931 * config/i386/driver-i386.c: New file.
932 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
935 2006-05-09 Dirk Mueller <dmueller@suse.de>
936 Richard Guenther <rguenther@suse.de>
939 * fold-const.c (fold_read_from_constant_string): Relax check
940 for matching types to matching modes.
942 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
944 PR rtl-optimization/27335
945 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
948 2006-05-08 Chao-ying Fu <fu@mips.com>
949 Richard Sandiford <richard@codesourcery.com>
951 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
952 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
953 * config/mips/mips.md (UNSPEC_SCC): New constant.
954 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
955 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
956 (mips_emit_compare): Use it.
957 (mips_expand_vcondv2sf): New function.
959 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
961 Fix PR tree-optimization/27093
962 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
963 renaming when they become not-used_alone.
965 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
967 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
968 relocation and relocation stubs.
970 2006-05-08 Eric Christopher <echristo@apple.com>
972 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
975 2006-05-08 Jan Hubicka <jh@suse.cz>
978 * cgraphunit.c (decide_is_function_needed): When not optimizing even
979 unused static functions are needed.
981 2006-05-08 Roger Sayle <roger@eyesopen.com>
984 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
985 of a reg_equiv_constant if the result is a legitimate constant.
987 2006-05-08 Uros Bizjak <uros@kss-loka.si>
990 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
991 standard 80387 constants, raise the cost to prevent
992 compress_float_constant() to generate load from memory.
994 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
996 * config/arm/constraints.md (c): Fix a typo.
998 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1001 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1004 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1006 (_mm_mwait): Likewise.
1008 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1010 (sse3_monitor): Make it 32bit only.
1011 (sse3_monitor64): New. 64bit monitor.
1013 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1016 * config/i386/i386.c (classify_argument): Skip fields with invalid
1019 2006-05-07 Richard Guenther <rguenther@suse.de>
1021 PR tree-optimization/27409
1022 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1023 Do not try to find zero-sized subvars.
1025 2006-05-07 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/27136
1028 * tree-ssa-loop-niter.c (get_val_for): Correct function
1029 comment, assert requirements.
1030 (loop_niter_by_eval): Stop processing if the iterated
1031 value did not simplify.
1033 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1035 * opts.c (flag_see): remove its setting at -O3.
1037 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1039 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1040 * arm/constraints.md: New file.
1041 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1042 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1043 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1044 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1045 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1046 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1047 * arm.md: Include constraints.md.
1048 (thumb_movsi_insn): Use satisfies_constraint_J.
1049 (movhi, movqi): Use satisfies_constraint_I.
1051 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1053 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1054 for atmeg a645 device.
1056 2006-05-06 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/27151
1059 * tree-vect-transform.c (vectorizable_condition): Punt on
1060 values that have a different type than the condition.
1062 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1065 * c-parser.c (c_parser_cast_expression): Only insert casts into
1066 hash table if pointer.
1067 * function.c (used_types_insert_helper): Rename from
1069 (used_types_insert): Call used_types_insert_helper.
1070 * function.h (used_types_insert): Accept only one argument.
1072 2006-05-05 David Edelsohn <edesohn@gnu.org>
1074 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1075 scratch with output modifier.
1077 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1080 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1081 with output modifier.
1083 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1086 * config/mips/mips.c (mips_symbolic_address_p): Return true
1087 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1088 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1090 2006-05-04 Richard Guenther <rguenther@suse.de>
1092 PR tree-optimization/14287
1093 PR tree-optimization/14844
1094 PR tree-optimization/19792
1095 PR tree-optimization/21608
1096 PR tree-optimization/27090
1097 * tree-ssa-pre.c (try_combine_conversion): New function.
1098 (compute_avail): After constructing the value-handle
1099 expression, use try_combine_conversion to combine NOP_EXPRs
1100 with previous value-handle expressions and use the result if it
1103 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1105 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1107 2006-05-04 Jan Hubicka <jh@suse.cz>
1110 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1112 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1114 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1115 that this only matches CONST_INTs. All users changed to VOIDmode
1118 * config/bfin/bfin.c: Include "optabs.h".
1119 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1121 (enum bfin_builtins): Add a number of fractional and vector builtins.
1122 (bfin_init_builtins): Likewise.
1123 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1124 (safe_vector_operand, bfin_expand_binop_builtin,
1125 bfin_expand_unop_builtin): New functions.
1126 (bfin_expand_builtin): Handle the new builtins.
1127 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1130 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1133 * Makefile.in (OBJS-common): Add see.o.
1134 (see.o): Add dependencies.
1135 * common.opt (fsee): New flag for the see optimization was added.
1136 * opts.c (flag_see): Initialized.
1137 * passes.c (init_optimization_passes, pass_see): New pass.
1138 * rtl.h (see_main): Declaration as extern.
1139 * timevar.def (TV_SEE): New.
1140 * tree-pass.h (pass_see): Declaration as extern.
1141 * invoke.texi (-fsee): Document.
1142 * recog.c (validate_simplify_insn): New function.
1143 * recog.h (validate_simplify_insn): Declaration as extern.
1144 * df-problems.c (df_chain_dump): Check for NULL.
1146 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1147 Daniel Berlin <dberlin@dberlin.org>
1149 * cfgrtl.c (insert_insn_bb_end_new): New function.
1150 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1152 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1154 * df.h (struct web_entry): Moved from web.c.
1155 (union_defs): Declaration as extern.
1156 (unionfind_root): Likewise.
1157 (unionfind_union): Likewise.
1158 * web.c (struct web_entry): Moved to df.h.
1159 (unionfind_root): Remove static declaration.
1160 (unionfind_union): Likewise.
1161 (union_defs): Likewise and generalize to use callback function.
1162 (web_main): Update arguments for union_defs function call.
1164 2006-05-04 Richard Guenther <rguenther@suse.de>
1166 PR tree-optimization/26447
1167 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1168 produce SSA_NAME copies before the store stmt to avoid
1169 breaking exception handling.
1171 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1174 * gimplify.c (omp_is_private): If var is shared in some outer context,
1175 return false instead of true. Stop searching on parallel context
1178 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1181 * coverage.c: Use get_gcov_unsigned_t() instead of
1182 unsigned_type_node all over.
1184 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1186 PR tree-optimization/27381
1187 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1188 maintain the same immediate_use links.
1189 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1190 node rather than segfaulting.
1192 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1195 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1196 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1197 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1199 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1201 Fix PR tree-optimization/26626
1202 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1204 * tree-ssa-operands.c (access_can_touch_variable): Allow
1205 typecasting through union pointers.
1207 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1210 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1211 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1212 to find if var will be a global variable even in the nested context.
1213 (omp_copy_decl): Only check for global variable at the end, it might
1214 be overridden in outer contexts.
1215 (scan_sharing_clauses): For global variables don't create a field.
1216 (lower_rec_input_clauses): Do nothing for global shared variables.
1217 Emit a barrier at the end of ILIST if there were any decls in both
1218 firstprivate and lastprivate clauses.
1219 (lower_send_clauses): Do nothing for global variables except for
1222 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1224 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1225 of the correct signedness is returned.
1227 2006-05-02 Jeff Law <law@redhat.com>
1229 PR tree-optimization/27364
1230 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1231 multiply expressions.
1233 2006-05-02 Tom Tromey <tromey@redhat.com>
1235 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1237 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1240 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1241 -mthumb -fPIC are used.
1243 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1244 Joshua Kinard <kumba@gentoo.org>
1247 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1248 with 64-bit pointers.
1250 2006-05-02 Paul Brook <paul@codesourcery.com>
1252 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1254 (create_fix_barrier): Check that a suitable barrier location is
1256 (arm_reorg): Include ftmp->address in allowable range of addresses.
1258 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1261 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1264 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1267 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1268 around RESULT_DECL for result passed by reference.
1269 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1270 * omp-low.c (use_pointer_for_field): Don't look at
1271 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1272 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1273 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1274 time or var for passing by reference for
1275 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1276 TREE_ADDRESSABLE variables when passing by reference.
1278 * omp-low.c (dump_omp_region): Fix output formatting.
1281 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1282 (expand_omp_parallel): Likewise.
1283 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1286 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1287 on statement list containing also constructors and destructors.
1288 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1291 * except.c (duplicate_eh_regions): Fix clearing of
1292 cfun->eh->region_array entries.
1294 2006-05-01 DJ Delorie <dj@redhat.com>
1296 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1298 (gcc_cv_objdump): Likewise.
1299 * configure: Regenerated.
1301 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1304 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1305 templates for case 3 and 4.
1307 2006-05-01 DJ Delorie <dj@redhat.com>
1309 * vec.c: Include bconfig.h when appropriate.
1310 * Makefile.in (build/vec.o): Adjust dependencies.
1311 * mkconfig.sh: Make sure config.h isn't used for build machine
1314 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1316 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1318 (mark_phi_for_rewrite): New function.
1319 (insert_phi_nodes_for, mark_use_interesting): Call
1320 mark_phi_for_rewrite.
1321 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1322 (update_ssa): Initialize and free phis_to_rewrite.
1324 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1326 PR rtl-optimization/27291
1327 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1328 folded to a constant.
1330 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1332 PR tree-optimization/27283
1333 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1334 not whole # of iteration descriptions.
1335 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1336 uses abnormal ssa name.
1337 (niter_for_single_dom_exit): Ditto.
1338 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1339 return just the number of iterations.
1341 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1343 PR tree-optimization/27144
1344 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1345 (record_estimate): Only record constant upper bound.
1346 (infer_loop_bounds_from_undefined): Call
1347 compute_estimated_nb_iterations just once.
1348 (proved_non_wrapping_p): Renamed to ...
1349 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1350 (convert_step_widening, scev_probably_wraps_p): Call
1351 n_of_executions_at_most instead of proved_non_wrapping_p.
1352 (substitute_in_loop_info): Do not replace values in bounds.
1353 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1356 2006-05-01 Richard Henderson <rth@redhat.com>
1359 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1360 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1363 2006-05-01 Roger Sayle <roger@eyesopen.com>
1365 * c-typeck.c (parser_build_binary_op): Don't call the function
1366 unsigned_conversion_warning to spot operand/result type overflow.
1367 (build_binary_op): Instead, call convert_and_check instead of
1368 convert to report the problem when the operands are promoted.
1369 * c-common.c (unsigned_conversion_warning): Make static.
1370 * c-common.h (unsigned_conversion_warning): Delete prototype.
1372 2006-05-01 Richard Guenther <rguenther@suse.de>
1374 PR tree-optimization/26726
1375 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1377 (find_interesting_uses_address): ... we work around here
1378 by folding INDIRECT_REFs in the substituted base.
1380 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1382 * omp-low.c (dump_omp_region): Add newlines.
1384 2006-04-30 Roger Sayle <roger@eyesopen.com>
1386 * common.opt (Woverflow): New command line option.
1387 * c-common.c (constant_expression_warning): Check warn_overflow.
1388 (overflow_waring): Pass OPT_Woverflow to warning.
1389 (unsigned_conversion_warning): Likewise.
1390 (convert_and_check): Likewise.
1391 * doc/invoke.texi: Document new command line option.
1393 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1395 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1396 TARGET_NO_FP_IN_TOC for section anchors.
1397 (optimization_options): Enable section anchors for all
1398 non-"Objective" languages.
1400 2006-04-28 Eric Christopher <echristo@apple.com>
1402 * config/darwin-c.c (darwin_ms_struct): Move this
1403 (darwin_set_default_type_attributes): and this...
1404 * config/darwin.c: ... here.
1405 * config/darwin.h (darwin_ms_struct): Declare.
1407 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1409 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1411 2006-04-28 Roger Sayle <roger@eyesopen.com>
1414 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1415 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1416 an unsigned HOST_WIDE_INT.
1417 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1419 (really_start_incremental_init): No need to call convert because
1420 bitsize_zero_node is already of type bitsizetype.
1421 (push_init_level): Extract the value of constructor_index as an
1422 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1423 (process_init_element): Likewise.
1425 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1427 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1428 value before passing to make_relative_prefix.
1430 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1433 * builtins.c (expand_builtin_memset): Expand val in original mode.
1435 2006-04-27 Eric Christopher <echristo@apple.com>
1437 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1438 with #ifndef/#endif.
1439 * config/darwin-c.c (darwin_ms_struct): New.
1440 (darwin_pragma_ms_struct): Ditto.
1441 (darwin_set_default_type_attributes): Ditto.
1442 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1443 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1444 Register ms_struct pragma.
1445 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1446 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1447 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1448 darwin_set_default_type_attributes if TARGET_MACHO.
1450 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1452 PR tree-optimization/26854
1453 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1454 * doc/tree-ssa.texi: Update immuse iterator documentation.
1455 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1456 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1457 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1458 first_safe_imm_use, next_safe_imm_use): Remove.
1459 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1460 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1461 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1462 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1463 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1464 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1465 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1466 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1467 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1468 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1469 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1470 (perfect_nestify): Use new iterator.
1471 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1473 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1474 (next_imm_name): New field in struct immediate_use_iterator_d.
1475 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1476 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1477 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1478 * tree-cfg.c (replace_uses_by): Use new iterator.
1479 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1480 * tree-ssa-operands.c (correct_use_link): Remove.
1481 (finalize_ssa_use_ops): No longer call correct_use_link.
1483 2006-04-27 Stuart Hastings <stuart@apple.com>
1485 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1486 * config/t-darwin (crt3.o): Use it.
1487 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1488 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1489 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1490 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1491 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1494 2006-04-27 Roger Sayle <roger@eyesopen.com>
1496 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1497 size, force the intermediate into a new pseudo rather instead of
1498 performing both a bitwise AND and a bitwise IOR in memory.
1500 2006-04-27 Richard Guenther <rguenther@suse.de>
1502 PR rtl-optimization/26685
1503 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1504 this one "max-flow-memory-locations".
1506 2006-04-27 Richard Guenther <rguenther@suse.de>
1508 PR tree-optimization/25148
1509 * tree-vrp.c (compare_values): Remove code dealing with
1510 comparisons against type min/max value. Honour overflow
1511 and negative constants in code dealing with comparisons
1512 of plus and minus expressions.
1513 (value_inside_range): Use fold_binary with LE_EXPR and
1514 GE_EXPR rather than compare_values.
1516 2006-04-27 Dirk Mueller <dmueller@suse.de>
1518 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1521 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1523 * basic-block.h (safe_insert_insn_on_edge): Removed.
1524 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1526 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1527 Paolo Bonzini <bonzini@gnu.org>
1530 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1531 (simplify_and_const_int): Same.
1533 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1535 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1537 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1540 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1541 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1542 cgraph_global_info_ready.
1545 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1548 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1549 either decl or init is error_mark_node.
1552 * tree-flow.h (struct omp_region): Add sched_kind.
1553 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1554 instead of extracting omp for data.
1555 (expand_omp_for): Save extracted sched_kind.
1557 2006-04-25 Roger Sayle <roger@eyesopen.com>
1559 * expmed.c (store_bit_field): Also check whether the bitsize is
1560 valid for the machine's "insv" instruction before moving the
1561 target into a pseudo for use with the insv.
1562 * config/i386/predicates.md (const8_operand): New predicate.
1563 * config/i386/i386.md (extv, extzv, insv): Use the new
1564 const8_operand predicate where appropriate.
1566 2006-04-25 DJ Delorie <dj@redhat.com>
1568 * doc/install.texi (Specific): Clarify that this is not a list of
1569 supported hosts or targets.
1571 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1573 PR rtl-optimization/26725
1574 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1575 block's BB_DIRTY flag.
1577 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1579 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1582 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1583 to print an integer.
1585 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1587 * varasm.c (align_variable): New function.
1588 (get_block_for_decl): Apply align_variable to DECL before
1589 calculating section information.
1590 (assemble_variable): Split out alignment computation.
1592 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1594 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1597 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1599 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1600 MODE_PARTIAL_INT mode.
1601 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1602 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1604 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1605 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1607 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1609 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1611 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1612 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1613 MACFLAG_IH): Likewise.
1614 (movstricthi_1): Renamed from "*movstricthi".
1615 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1616 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1617 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1618 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1619 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1620 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1621 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1622 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1623 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1624 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1625 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1626 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1627 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1628 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1629 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1631 * doc/rtl.texi (ss_ashift): Improve wording.
1633 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1635 * dwarf2out.c (verify_marks_clear): New.
1636 (prune_unused_types): Call verify_marks_clear initially, not
1639 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1641 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1642 * doc/rtl.texi: Document them.
1643 * simplify-rtx.c (simplify_unary_operation,
1644 simplify_binary_operation_1): Don't abort when we see them.
1646 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1649 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1650 * configure.ac: Completely disregard languages that are not
1652 * configure: Regenerated.
1654 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1655 Richard Guenther <rguenther@suse.de>
1657 PR tree-optimization/27236
1658 * tree-inline.c (copy_body_r): Make sure to copy
1659 TREE_THIS_VOLATILE flag.
1661 2006-04-24 Richard Guenther <rguenther@suse.de>
1664 * tree-complex.c (update_parameter_components): Don't handle
1665 unused parameters which have no default def.
1667 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1668 Richard Guenther <rguenther@suse.de>
1670 PR tree-optimization/27218
1671 * tree-inline.c (expand_call_inline): Strip useless type
1672 conversions for the return slot address.
1674 2006-04-24 Richard Guenther <rguenther@suse.de>
1676 * cfgloop.h (struct loops): Remove unused field array. Reorder
1678 (LOOP_PREFETCH): Remove.
1680 2006-04-24 Richard Guenther <rguenther@suse.de>
1682 PR tree-optimization/22525
1683 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1684 variable, adjust types of generated expressions.
1686 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1688 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1689 (tree-vect-patterns.o): Likewise.
1691 (cselib.o): Likewise.
1692 (loop-doloop.o): Likewise.
1693 (regclass.o): Likewise.
1694 (reload1.o): Likewise.
1695 (explow.o): Replace target.h with $(TARGET_H).
1696 (ipa-prop.o): Likewise.
1697 (ipa-cp.o): Likewise.
1698 (ipa-inline.o): Likewise.
1699 (reorg.o): Likewise.
1700 (reg-stack.o): Likewise.
1702 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1704 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1706 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1708 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1710 * configure.ac: Completely disregard languages that are not
1712 * configure: Regenerated.
1715 * c-common.h (c_build_bitfield_integer_type): Declare.
1716 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1717 * c-common.c (c_build_bitfield_integer_type): ... here.
1719 2006-04-23 Roger Sayle <roger@eyesopen.com>
1722 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1723 a SImode SUBREG of a floating point register after no_new_pseudos.
1725 2006-04-23 Roger Sayle <roger@eyesopen.com>
1727 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1728 identify potentially eliminable registers to additionally catch
1729 VIRTUAL_INCOMING_ARGS_REGNUM.
1730 (addsi3): Update the conditions on when to use addsi_small_int.
1732 2006-04-23 Roger Sayle <roger@eyesopen.com>
1735 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1736 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1737 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1739 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1741 * fold-const.c (range_predecessor): Use operand_equal_p
1742 as the predicate for equality.
1743 (range_successor): Likewise.
1745 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1748 * config/soft-fp/op-common.h: Fix a typo.
1750 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1753 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1754 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1756 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1758 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1760 * doc/tm.texi: Fix a typo.
1762 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1764 * dwarf2out.c (struct die_struct): Document that die_sib makes
1765 a circular linked list.
1766 (FOR_EACH_CHILD): New.
1767 (reverse_die_lists): Delete.
1768 (reverse_all_dies): Delete.
1769 (add_dwarf_attr): Correct documentation.
1770 (remove_child_with_prev): New.
1771 (remove_child_TAG): Update for change to die_struct, use
1772 remove_child_with_prev.
1773 (add_child_die): Update for change to die_struct.
1774 (splice_child_die): Use remove_child_with_prev and add_child_die.
1775 (print_die): Use FOR_EACH_CHILD.
1776 (die_checksum): Likewise.
1777 (assign_symbol_names): Likewise.
1778 (output_location_lists): Likewise.
1779 (build_abbrev_table): Likewise.
1780 (calc_die_sizes): Likewise.
1781 (mark_dies): Likewise.
1782 (unmark_dies): Likewise.
1783 (unmark_all_dies): Likewise.
1784 (output_die): Likewise.
1785 (prune_unused_types_mark): Likewise.
1786 (prune_unused_types_walk): Likewise.
1787 (same_die_p): Update for change to die_struct.
1788 (break_out_includes): Likewise.
1789 (prune_unused_types_prune): Likewise.
1790 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1791 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1793 (dwarf2out_finish): Don't call reverse_all_dies.
1795 2006-04-21 Eric Christopher <echristo@apple.com>
1797 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1798 in comments and function names.
1800 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1803 * c-typeck.c (digest_init): Robustify.
1805 * c-typeck.c (pop_init_level): Simplify.
1807 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1809 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1811 2006-04-21 Paul Brook <paul@codesourcery.com>
1813 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1814 hardware floating point.
1816 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1818 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1821 2006-04-21 Nick Clifton <nickc@redhat.com>
1823 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1826 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1829 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1830 C++ lang type in traceback table for Objective-C++.
1832 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1834 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1836 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1838 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1841 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1842 were errors. Remove check for erroneous objects.
1844 2006-04-20 Jeff Law <law@redhat.com>
1846 PR tree-optimization/26854
1847 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1848 checking for zero or one use.
1849 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1850 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1851 * tree-ssa-reassoc.c (negate_value): Similarly.
1852 (reassociate_bb): Similarly.
1854 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1856 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1857 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1858 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1860 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1862 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1863 fp regs if the last fp arg doesn't fit in regs.
1865 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1868 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1869 that the last insn has the REG_INC note.
1871 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1872 Nathan Sidwell <nathan@codesourcery.com>
1875 * stor-layout.c (update_alignment_for_field): Do not align
1877 (place_union_field): Place union field at the start of the union.
1878 (place_field): Move ERROR_MARK check later, and use the current
1879 allocation position to maintain monotonicity.
1881 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1883 * dominance.c: Include timevar.h.
1884 (calculate_dominance_info): Use TV_DOMINANCE.
1885 * timevar.def (TV_DOMINANCE): New timevar.
1886 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1888 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1890 PR rtl-optimization/14261
1891 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1892 move would be an INSV insn.
1893 (noce_process_if_block): Don't optimize if the destination is a
1894 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1896 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1898 * config/s390/s390.md: Add comments with the instructions emitted
1899 by an insn pattern if macros are used.
1901 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1903 PR rtl-optimization/26026
1904 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1905 is a known power of two shifted left a variable amount.
1907 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1909 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1910 to hash table twice when the debug_str section has SECTION_MERGE.
1912 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1914 * config/soft-fp: New directory. From glibc.
1915 * config/soft-fp/t-softfp: New.
1916 * config/soft-fp/README: New.
1917 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1918 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1919 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1920 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1921 * config.gcc: Use rs6000/t-fprules-fpbit or
1922 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1924 * config/rs6000/sfp-machine.h: New. Based on glibc.
1925 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1927 * config/rs6000/t-fprules: Remove fp-bit rules.
1928 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1929 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1930 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1931 (softfp_wrap_start, softfp_wrap_end): New.
1933 2006-04-18 DJ Delorie <dj@redhat.com>
1935 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1937 2006-04-18 Devang Patel <dpatel@apple.com>
1939 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1941 2006-04-18 Nick Clifton <nickc@redhat.com>
1943 * config/sh/t-symbian: Add rule to build sh-c.o
1944 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1945 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1946 (sh_symbian_encode_section_info): Likewise.
1948 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1950 * builtins.c (expand_builtin_strcmp): Cover label definition of
1951 do_libcall with HAVE_cmpstrnsi.
1953 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1955 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1957 * function.h (temp_slot_p): New.
1958 (function): Change the type of x_used_temp_slots to
1959 VEC(temp_slot_p,gc) *.
1961 2006-04-18 Nick Clifton <nickc@redhat.com>
1963 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1964 flag_strength_reduce.
1966 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1968 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1972 Partial revert of revision 112637
1973 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1974 Dale Johannesen <dalej@apple.com>
1977 * regclass.c (struct reg_pref): Update documentation.
1978 (regclass): Set prefclass to NO_REGS if memory is the best option.
1979 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1981 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1983 PR tree-optimization/26821
1984 * tree-ssa-math-opts.c (get_constant_one): New.
1985 (insert_reciprocals): Use it.
1987 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1989 * dwarf2out.c (free_AT): Delete.
1990 (remove_AT): Update string ref counts.
1991 (remove_child_TAG): Don't call free_die.
1993 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1994 or DW_TAG_GNU_EINCL.
1995 (prune_unused_types_walk_attribs): Reset string refcounts.
1996 (prune_unused_types_update_strings): New.
1997 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1998 call free_die. Do call prune_unused_types_update_strings.
1999 (prune_unused_types): Empty debug_str_hash.
2001 2006-04-17 Roger Sayle <roger@eyesopen.com>
2003 * expr.c (expand_assignment): Optimize away no-op moves where the
2004 source and destination are equal and have no side-effects.
2006 2006-04-17 Richard Guenther <rguenther@suse.de>
2009 * reload.c (push_reload): Guard calls to get_secondary_mem
2012 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2014 * alias.c (reg_base_value, old_reg_base_value): Change the
2015 type to VEC(rtx,gc) *.
2016 (REG_BASE_VALUE, find_base_value, record_set,
2017 init_alias_analysis): Use VEC instead of VARRAY.
2019 * alias.c (alias_sets): Change the type to
2020 VEC(alias_set_entry,gc) *.
2021 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2022 VEC instead of VARRAY.
2023 (last_alias_set): Remove.
2025 * cgraph.h (cgraph_edge_p): New.
2026 Update the prototype of cgraph_function_versioning.
2027 * cgraphunit.c (cgraph_copy_node_for_versioning,
2028 cgraph_function_versioning): Use VEC instead of VARRAY.
2029 * ipa-cp.c (ipcp_insert_stage): Likewise.
2031 2006-04-16 Roger Sayle <roger@eyesopen.com>
2034 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2035 "A op B" or "A op C", we may need to convert A to the type of B and C.
2037 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2039 * target.h (struct gcc_target): Add mode_rep_extended.
2040 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2041 (init_num_sign_bit_copies_in_rep): Initialize it using
2043 (truncate_to_mode): Use it.
2044 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2045 * targhooks.h (default_mode_rep_extended): Declare it.
2046 * targhooks.c (default_mode_rep_extended): Define it.
2047 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2048 default_mode_rep_extended.
2049 (TARGET_INITIALIZER): Include it.
2050 * doc/tm.texi (Misc): Document it.
2051 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2052 (mips_truncated_to_mode): New function.
2054 2006-04-16 Roger Sayle <roger@eyesopen.com>
2057 * expr.c (compress_float_constant): Copy the narrow constant into
2058 a new pseudo before extending it to its final width.
2060 2006-04-16 Roger Sayle <roger@eyesopen.com>
2061 Andrew Pinski <pinskia@gcc.gnu.org>
2062 Dale Johannesen <dalej@apple.com>
2065 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2066 special case code to implement V8HImode and V16QImode with SSE2.
2068 2006-04-15 Roger Sayle <roger@eyesopen.com>
2070 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2071 trees are constructed with a suitable tree type.
2073 2006-04-15 Roger Sayle <roger@eyesopen.com>
2075 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2076 (integer_onep): Likewise.
2077 (integer_all_onesp): Likewise.
2078 (integer_pow2p): Likewise.
2079 (integer_nonzerop): Likewise.
2080 (real_zerop): Likewise.
2081 (real_onep): Likewise.
2082 (real_twop): Likewise.
2083 (real_minus_onep): Likewise.
2084 (int_size_in_bytes): Likewise.
2085 (host_integerp): Likewise.
2087 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2089 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2090 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2091 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2093 * tree-ssa-structalias.h (alias_info): Remove num_references.
2095 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2097 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2098 (output_bvb patterns): Likewise.
2099 * pa.c (output_bb): Use 'bb' insn for long branch case.
2100 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2101 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2102 1. Correct length operand for alternatives 1 and 2.
2103 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2104 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2106 2006-04-14 Roger Sayle <roger@eyesopen.com>
2108 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2109 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2110 were accidentally reverted by r112959.
2112 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2115 * except.h (eh_region_outermost): New prototype.
2116 * except.c (eh_region_outermost): New function.
2117 * tree-cfg.c (find_outermost_region_in_block): Use it.
2119 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2121 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2123 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2124 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2125 (init_reload, reload): Use VEC instead of VARRAY.
2126 * reload.h: Update the prototype for
2127 reg_equiv_memory_loc_varray.
2129 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2130 Eric Botcazou <ebotcazou@libertysurf.fr>
2132 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2135 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2138 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2139 to expand fallback builtin function call.
2141 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2144 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2145 and emit libcall here in case the builtin fails.
2146 (expand_builtin_strcmp): Always emit the libcall here on failure.
2148 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2150 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2151 * flow.c (reg_n_info): Change the type to
2152 VEC(reg_info_p,heap) *.
2153 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2155 * regs.h (reg_info_p): New.
2156 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2157 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2158 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2161 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2163 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2165 * params.h (MAX_SCHED_READY_INSNS): New macro.
2166 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2167 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2168 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2169 the ready list for 1 cycle during the first scheduling pass.
2170 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2172 2006-04-13 Richard Henderson <rth@redhat.com>
2175 * gimple-low.c (lower_omp_directive): Remove dead code.
2176 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2177 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2178 * omp-low.c (struct omp_region): Move to tree-flow.h.
2179 (root_omp_region): Export.
2180 (omp_regions, lookup_omp_region): Remove.
2181 (determine_parallel_type): Update for struct omp_region changes.
2182 (dump_omp_region): Dump regions with block numbers.
2183 (new_omp_region): Take type and block instead of stmt; malloc
2185 (free_omp_region_1, free_omp_regions): New.
2186 (expand_parallel_call): Take entry_stmt as argument; update for
2187 changes to omp_region.
2188 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2189 (remove_exit_barriers): New.
2190 (expand_omp_parallel): Update for struct omp_region changes.
2191 (expand_omp_synch): Likewise.
2192 (expand_omp): Likewise.
2193 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2194 (expand_omp_for_static_chunk): Likewise.
2195 (expand_omp_for): Likewise.
2196 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2197 (expand_omp_sections): Similarly, with GOMP_sections_end.
2198 (expand_omp_single): New.
2199 (build_omp_regions_1): Update for OMP_CONTINUE.
2200 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2201 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2202 OMP_SECTIONS_SECTIONS.
2203 (lower_omp_single_simple): Don't emit barrier here.
2204 (lower_omp_single_copy): Likewise.
2205 (lower_omp_single): Fix bindings, and lower to straightline now.
2206 (lower_omp_master, lower_omp_ordered): Likewise.
2207 (lower_omp_critical): Likewise.
2208 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2209 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2210 omp edges, free it afterward.
2211 (make_omp_sections_edges): Remove.
2212 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2213 (move_stmt_r): Handle OMP_CONTINUE.
2214 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2215 statement pointers to basic blocks. Add type member.
2216 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2217 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2218 * tree-inline.c (estimate_num_insns_1): Likewise.
2219 * tree-pretty-print.c (dump_generic_node): Likewise.
2220 * tree-ssa-operands.c (get_expr_operands): Likewise.
2221 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2222 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2223 (OMP_CONTINUE): New.
2224 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2225 (OMP_SECTIONS_SECTIONS): Remove.
2226 (OMP_SECTION_LAST): New.
2227 (OMP_RETURN_NOWAIT): New.
2229 2006-04-13 Roger Sayle <roger@eyesopen.com>
2231 * fold-const.c (native_encode_vector, native_interpret_real):
2232 Correct obvious mistakes in the previous check-in.
2234 2006-04-13 Roger Sayle <roger@eyesopen.com>
2236 * fold-const.c (native_encode_expr): New function to encode
2237 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2238 or VECTOR_CST into a specified buffer.
2239 (native_encode_int): New function.
2240 (native_encode_real): New function.
2241 (native_encode_complex): New function.
2242 (native_encode_vector): New function.
2243 (native_interpret_expr): Inverse of native_encode_expr to convert
2244 a target representation into an INTEGER_CST, REAL_CST etc...
2245 (native_interpret_int): New function.
2246 (native_interpret_real): New function.
2247 (native_interpret_complex): New function.
2248 (native_interpret_vector): New function.
2249 (fold_view_convert_expr): New function to constant fold/evaluate
2250 a VIEW_CONVERT_EXPR of a suitable constant expression.
2251 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2252 Change call of build1 to fold_build1 when constructing a
2255 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2256 Ulrich Weigand <uweigand@de.ibm.com>
2259 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2262 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2265 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2266 optimize to lo_sum for DFmode if !TARGET_FPRS.
2268 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2270 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2271 delete_alias_info, compute_flow_sensitive_aliasing,
2272 group_aliases): Use VEC instead of VARRAY.
2273 * tree-ssa-structalias.c (update_alias_info): Likewise.
2274 * tree-ssa-structalias.h (alias_info): Change the type of
2275 processed_ptrs to VEC(tree,heap) *.
2277 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2280 * config/sh/lib1funcs.h: New file, broken out of:
2281 * config/sh/lib1funcs.asm.
2282 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2284 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2285 * config/sh/lib1funcs-Os-4-200.asm: New file.
2286 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2287 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2288 (EXTRA_MULTILIB_PARTS): Include it.
2289 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2290 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2291 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2292 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2295 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2297 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2298 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2299 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2301 * tree-ssa-live.h: Include vecprim.h.
2302 (tree_partition_associator_d): Change the type of
2303 first_partition to VEC(int,heap) *.
2304 (tpa_first_partition): Use VEC instead of VARRAY.
2306 * Makefile.in (GTFILES): Move functions.h after tree.h.
2307 * function.c (reset_block_changes, record_block_change,
2308 check_block_change, free_block_changes): Use VEC instead of
2310 * function.h (function): Change the type of
2311 ib_boundaries_block to VEC(tree,gc) *.
2312 * tree-inline.c (copy_cfg_body): Initialize
2313 ib_boundaries_block to NULL instead of (varray_type) 0.
2315 2006-04-12 Roger Sayle <roger@eyesopen.com>
2317 * expr.c (emit_group_store): Correct operand order in call to
2318 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2319 a SUBREG_BYTE of zero.
2321 2006-04-12 Richard Guenther <rguenther@suse.de>
2323 * profile.c (compute_branch_probabilities): Remove code
2324 encapsulated in !ir_type (), which are remanents of the
2325 removed RTL profiling code.
2326 * rtl-profile.c: Remove.
2328 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2330 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2331 magic NULL_RTX comment.
2332 (function_arg): Store entire fp arg to mem if any part should go
2334 (rs6000_arg_partial_bytes): Adjust for above change.
2336 2006-04-11 Roger Sayle <roger@eyesopen.com>
2338 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2339 if it hasn't been initialized by dwarf2out_init.
2341 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2343 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2344 symbolic constants in branch patterns.
2346 2006-04-11 Roger Sayle <roger@eyesopen.com>
2348 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2350 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2352 PR rtl-optimization/27073
2353 * gcse.c (try_replace_reg): Revert last change. Continue to search
2354 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2357 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2359 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2360 aggregate types other than record and union types.
2361 (function_arg): Likewise.
2362 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2364 (function_value): In 64-bit mode, return objects that require it
2367 2006-04-11 Roger Sayle <roger@eyesopen.com>
2369 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2371 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2373 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2375 2006-04-03 Jeff Law <law@redhat.com>
2378 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2379 alias information too.
2381 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2383 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2385 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2388 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2389 (premark_used_types_helper): New.
2390 (premark_used_types): New.
2391 (gen_subprogram_die): Call premark_used_types.
2392 (prune_unused_types_walk): Do not prune perennial dies.
2393 * function.c (used_types_insert): New.
2394 * function.h (struct function): Add used_types_hash field.
2395 (used_types_insert): Add prototype.
2396 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2397 * c-parser.c (c_parser_cast_expression): Save casted types in used
2400 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2403 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2404 rs6000_explicit_options.float_gprs.
2406 2006-04-10 Roger Sayle <roger@eyesopen.com>
2408 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2409 from ix86_expand_vector_init_low_nonzero. Take an additional
2410 one_var argument indicating which element is non-zero. Support
2411 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2412 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2413 with one_var instead of ix86_expand_vector_init_low_nonzero.
2415 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2417 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2418 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2419 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2420 build/genextract.o): Depend on vecprim.h.
2421 * cfglayout.c, df-problems.c, function.c, genextract.c,
2422 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2423 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2427 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2429 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2430 Declare VECs of this type.
2431 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2432 (remove_children): Delete.
2433 (add_dwarf_attr): Use VEC routines.
2434 (add_AT_flag): Update for changes to add_dwarf_attr.
2435 (add_AT_int): Likewise.
2436 (add_AT_unsigned): Likewise.
2437 (add_AT_long_long): Likewise.
2438 (add_AT_vec): Likewise.
2439 (add_AT_string): Likewise.
2440 (add_AT_die_ref): Likewise.
2441 (add_AT_fde_ref): Likewise.
2442 (add_AT_loc): Likewise.
2443 (add_AT_loc_list): Likewise.
2444 (add_AT_addr): Likewise.
2445 (add_AT_lbl_id): Likewise.
2446 (add_AT_lineptr): Likewise.
2447 (add_AT_macptr): Likewise.
2448 (add_AT_offset): Likewise.
2449 (add_AT_range_list): Likewise.
2450 (get_AT): Use VEC_iterate.
2451 (remove_AT): Use VEC_ordered_remove.
2452 (free_die): Fold remove_children into here; have it use VEC_iterate.
2453 (print_die): Use VEC_iterate on attrs.
2454 (reverse_die_lists): Don't reverse attr lists.
2455 (die_checksum): Use VEC_iterate on attrs.
2456 (same_die_p): Likewise.
2457 (output_location_lists): Likewise.
2458 (build_abbrev_table): Likewise.
2459 (size_of_die): Likewise.
2460 (unmark_all_dies): Likewise.
2461 (output_abbrev_section): Likewise.
2462 (output_die): Likewise.
2463 (prune_unused_types_walk_attribs): Likewise.
2465 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2467 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2469 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2472 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2474 2006-04-09 Roger Sayle <roger@eyesopen.com>
2476 * expr.c (store_constructor): Don't bother clearing target if
2477 we're about to assign a vector to it using vec_init_optab.
2479 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2481 * tree-ssa-alias.c (lhs_may_store_to): New function.
2482 (recalculate_used_alone): Handle LHS of calls.
2484 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2488 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2489 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2490 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2491 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2492 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2493 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2494 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2495 stubs. Add ".align 8" directives before all ".dword" directives.
2496 (GTHREAD_USE_WEAK): Revise comment.
2497 (TARGET_ATTRIBUTE_WEAK): Define.
2498 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2499 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2500 * stublib.c: New file.
2505 * pa.md (cbranch patterns): Revise arguments used in calls to
2506 output_cbranch, output_bb and output_bvd. Add long branch length
2508 (fbranch patterns): Handle long branches.
2509 (jump): Revise length check. Revise arguments for output_lbranch call.
2510 Add long branch length attributes.
2511 (decrement_and_branch_until_zero): Add long branch length attributes.
2512 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2513 Likewise. Revise arguments for output_parallel_addb and
2514 output_parallel_movb calls.
2515 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2516 output_parallel_movb and output_parallel_addb): Update prototypes.
2517 * pa.c (output_cbranch): Revise arguments. Correct handling of
2518 nullification in long branches.
2519 (output_lbranch): Add new argument to control extraction of delay
2521 (output_bb): Handle long branches.
2522 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2523 output_parallel_addb): Likewise.
2525 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2527 PR rtl-optimization/27073
2528 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2531 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2533 * tree.h (tree_memory_tag): Add old_used_alone.
2534 (SMT_OLD_USED_ALONE): New macro.
2535 * tree-ssa-alias.c (recalculate_used_alone): Stop
2536 marking things for renaming unnecessarily.
2538 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2540 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2541 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2542 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2543 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2544 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2545 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2546 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2547 spelling convensions.
2548 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2549 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2550 typos. Follow spelling conventions.
2552 2006-04-07 DJ Delorie <dj@redhat.com>
2554 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2555 passed on the stack.
2556 (m32c_init_cumulative_args): When a function returns a structure,
2557 always pass the pointer to that return area on the stack.
2558 (m32c_function_arg_advance): Don't increment the parameter number
2559 if we're processing the returned structure pointer.
2560 (pushm_info): Reverse order of registers.
2562 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2564 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2565 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2566 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2567 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2569 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2570 chrec_fold_multiply): Same.
2571 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2572 force_expr_to_var_cost): Same.
2573 * tree-mudflap.c (mf_xform_derefs_1): Same.
2574 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2576 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2578 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2579 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2582 2006-04-07 Jan Hubicka <jh@suse.cz>
2584 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2586 2006-04-07 Richard Guenther <rguenther@suse.de>
2588 PR tree-optimization/26135
2589 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2590 loads for store copy-prop.
2591 (copy_prop_visit_stmt): Likewise.
2593 2006-04-05 Robert Millan <robertmh@gnu.org>
2595 * config/i386/linux.h: Add a comment to mark macros that are
2596 being overriden in config/k*bsd-gnu.h.
2597 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2599 * config/knetbsd-gnu.h: Ditto.
2601 2006-04-06 Jan Hubicka <jh@suse.cz>
2605 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2608 2006-04-06 Mike Stump <mrs@apple.com>
2610 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2611 for HAVE_nonlocal_goto to be consistent.
2612 (expand_builtin_nonlocal_goto): Likewise.
2613 (expand_builtin_strcmp): Use #ifdef instead of #if
2614 for HAVE_cmpstrnsi to be consistent.
2616 2006-04-05 DJ Delorie <dj@redhat.com>
2618 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2621 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2623 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2624 got-relative addressing for anything but SImode.
2626 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2627 even if the calling function doesn't modify them.
2629 2006-04-05 Richard Guenther <rguenther@suse.de>
2631 PR tree-optimization/26919
2632 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2633 to cgraph_estimate_size_after_inlining.
2635 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2637 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2639 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2641 PR tree-optimization/26996
2642 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2643 VECTOR_TYPE variables.
2645 2006-04-05 Richard Guenther <rguenther@suse.de>
2647 PR tree-optimization/26763
2648 * fold-const.c (fold_comparison): Move folding of
2649 PTR + CST CMP PTR + CST ...
2650 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2652 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2654 * doc/install.texi (Prerequisites): Refine some wording on
2655 bootstrapping and ksh.
2656 Move the version numbers of DejaGnu here from the testing section
2657 and fix casing of names.
2658 Fix markup and clarify wording for autogen requirements.
2659 Refer to GCJ instead of just java.
2660 Refer to SVN instead of CVS.
2661 Describe diffutils as useful instead of necessary.
2662 (Downloading the source): Refer to SVN instead of CVS.
2663 Adjust a link to our web site accordingly.
2664 (Configuration): Fix casing of Bison.
2665 (Building): Refer to SVN instead of CVS.
2666 Fix a sentence on the use of Bison and remove duplicate (and
2667 incorrect) version number of Bison requirement.
2668 Remove one redundant list of packages needed for building.
2669 (Specific): Avoid reference to CVS.
2671 2006-04-04 Eric Christopher <echristo@apple.com>
2673 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2674 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2675 (rs6000_handle_struct_attribute): New.
2676 (rs6000_ms_bitfield_layout_p): Ditto.
2678 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2680 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2681 NULL for dso parameter to atexit_common.
2683 2006-04-04 Eric Christopher <echristo@apple.com>
2685 * config/i386/i386.c (machopic_output_stub): Output \t
2686 between instructions and operands.
2688 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2690 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2691 satisfies_constraint_[IL] to explicit tests on value.
2693 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2695 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2696 set_nb_iterations_in_loop): Use build_int_cst instead of
2698 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2699 build_int_cst instead of convert.
2701 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2703 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2704 new value 2 for incoming.
2705 * function.c (expand_function_start): Call struct_value_rtx
2707 * config/sparc/sparc.md: Comment updated_return.
2708 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2709 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2710 struct return if sparc_std_struct_return and incoming is 2.
2711 (print_operand): Do not adjust return if
2712 sparc_std_struct_return.
2714 2006-04-04 Roger Sayle <roger@eyesopen.com>
2716 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2717 convert in the middle-end.
2718 * expr.c (store_expr, store_constructor, get_inner_reference,
2719 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2721 * tree.c (build_range_type): Likewise.
2723 2006-04-04 Tom Tromey <tromey@redhat.com>
2725 * doc/install.texi (Prerequisites): Mention jar.
2727 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2729 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2732 2006-04-04 Matthias Klose <doko@debian.org>
2734 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2735 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2738 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2740 * doc/extend.texi (Function Attributes): Rewrite visibility
2741 attribute documentation.
2742 * doc/invoke.texi (C++ Dialect Options): Rewrite
2743 -fvisibility-inlines-hidden documentation to describe something
2744 entirely different, although in practise compatible.
2745 (Code Gen Options): Warn about system headers in -fvisibiltity=
2748 * doc/extend.texi (Other Builtins): Document that
2749 __builtin_nan is a compile-time constant only when its argument
2752 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2754 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2755 trying to remove TRUNCATE check if all bits outside the new mode
2756 are identical to the sign bit.
2758 2006-04-03 Jeff Law <law@redhat.com>
2760 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2761 and operand scanning in some common cases.
2763 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2764 Dale Johannesen <dalej@apple.com>
2767 * regclass.c (struct reg_pref): Update documentation.
2768 (regclass): Set prefclass to NO_REGS if memory is the best option.
2769 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2770 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2771 into account. For non-registers, equate an empty preferred
2772 reload class to a `!' in the constraint; move the if clause to
2773 do so after those that reject the insn.
2774 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2776 (find_dummy_reload): Likewise.
2777 * doc/tm.texi (Register Classes): Document what it means
2778 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2779 * config/i386/i386.c (ix86_preferred_reload_class): Force
2780 using SSE registers (and return NO_REGS for floating-point
2781 constants) if math is done with SSE.
2782 (ix86_preferred_output_reload_class): New.
2783 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2784 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2785 * config/i386/i386.md: Remove # register preferences.
2787 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2790 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2791 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2792 the type of nb_iter.
2793 (instantiate_parameters_1): Convert the operands before calling
2794 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2795 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2797 2006-04-02 Roger Sayle <roger@eyesopen.com>
2799 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2800 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2802 * dojump.c (do_jump): Likewise.
2803 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2804 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2805 gimplify_boolean_expr): Likewise.
2806 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2807 * varasm.c (array_size_for_constructor): Likewise.
2808 * tree-object-size.c (compute_object_offset): Likewise.
2810 2006-04-02 Roger Sayle <roger@eyesopen.com>
2813 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2814 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2816 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2818 PR tree-optimization/26939
2819 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2821 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2823 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2824 at_stmt. Convert the type of operands before calling
2825 build_polynomial_chrec.
2826 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2828 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2829 (instantiate_parameters_1): Convert the type of operands before calling
2830 build_polynomial_chrec.
2831 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2832 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2833 reset_evolution_in_loop): Insert asserts to check the types of the
2835 (chrec_type): Moved...
2836 (eq_evolutions_p): Use operand_equal_p.
2837 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2838 the types of the operands.
2839 (chrec_type): ...here.
2840 * tree-data-ref.c (create_data_ref): Convert the operands before
2841 calling chrec_replace_initial_condition.
2842 (same_access_functions, analyze_subscript_affine_affine,
2843 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2844 (compute_subscript_distance, analyze_ziv_subscript,
2845 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2846 analyze_miv_subscript): Convert the operands before calling
2847 chrec_fold_minus or chrec_fold_plus.
2849 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2851 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2852 the dependence_relations vector.
2853 (compute_data_dependences_for_loop): Adjust call to
2854 compute_all_dependences.
2856 2006-04-01 Roger Sayle <roger@eyesopen.com>
2857 Richard Henderson <rth@redhat.com>
2859 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2860 gimple_boolify on the condition before calling gimplify_expr.
2862 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2864 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2865 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2866 the frame size. Update to use the new macros.
2867 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2868 * config/xtensa/ieee754-df.S: Likewise.
2870 2006-03-31 Richard Henderson <rth@redhat.com>
2872 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2873 (make_edges): ... here. Control fallthru creation with a local
2874 variable. Do not play with fake edges.
2875 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2876 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2879 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2881 * dwarf2.h (DW64_CIE_ID): Define.
2882 * dwarf2out.c (DWARF_CIE_ID): Define.
2883 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2884 length header. Use DWARF_CIE_ID.
2885 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2886 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2888 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2890 * config/sh/linux-atomic.asm: New file.
2891 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2893 2006-03-31 DJ Delorie <dj@redhat.com>
2895 * config/m32c/cond.md: Set condition flags properly throughout.
2896 * config/m32c/minmax.md: Likewise.
2897 * config/m32c/prologue.md: Likewise.
2898 * config/m32c/bitops.md: Likewise.
2899 * config/m32c/muldiv.md: Likewise.
2900 * config/m32c/mov.md: Likewise.
2901 * config/m32c/addsub.md: Likewise.
2902 * config/m32c/m32c.md: Likewise.
2903 * config/m32c/jump.md: Likewise.
2904 * config/m32c/shift.md: Likewise.
2906 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2907 conditionally output the pattern for this.
2908 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2909 (m32c_compare_redundant): New.
2910 (m32c_output_compare): New.
2911 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2913 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2914 dest, not src. Allow other 4-byte modes.
2916 2006-03-30 Denis Chertykov <denisc@overta.ru>
2918 * doc/md.texi: Refer to avr/constraints.md instead of
2921 2006-03-30 Roger Sayle <roger@eyesopen.com>
2923 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2924 signed vs. unsigned comparison failures on some hosts.
2926 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2929 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2930 change to FLOAT_REGS.
2932 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2933 (rs6000_override_options): Use it.
2934 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2935 only for -mabi=spe/no-spe and -mabi=altivec.
2937 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2939 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2942 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2944 * Makefile.in: Rename docdir to gcc_docdir.
2946 2006-03-30 Roger Sayle <roger@eyesopen.com>
2949 * expr.c (emit_group_store): Optimize group stores into a pseudo
2950 register by using a paradoxical subreg to initialize the destination
2951 if the first or last member of the group specifies a "low part".
2953 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2956 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2957 * target.h (struct gcc_target.speculate_insn): Change type of the
2958 second parameter to 'int'.
2959 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2960 the second operand of the DEPS_LIST.
2961 (copy_DEPS_LIST_list): Update reference to the second operand of the
2963 * rtl.h (alloc_DEPS_LIST): Update signature.
2964 * sched-int.h (ds_t): Change typedef to 'int'.
2965 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2967 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2969 * haifa-sched.c (try_ready): Change condition to restore
2970 non-speculative pattern of the instruction.
2971 (process_insn_depend_be_in_spec): Code to keep probability of the
2972 speculative dependence non-decreasing.
2974 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2976 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2977 (single_move_for_movmem): ... this. Also change all uses.
2978 (bfin_expand_strmov): Renamed to...
2979 (bfin_expand_movmem): ... this. Also change all uses.
2980 * config/bfin/bfin.md (movstrsi): Renamed to...
2981 (movstrsi): ...this.
2983 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2985 PR tree-optimization/26830
2987 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2988 (copy_prop_visit_stmt): Remove write-only variable ann.
2989 (init_copy_prop): Check variable loop depth here. Do not simulate
2990 memory-tag and virtual operand PHIs except for store copy prop.
2992 2006-03-30 Richard Guenther <rguenther@suse.de>
2994 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2995 variants with double arguments.
2997 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2999 * genpreds.c (write_tm_constrs_h): Delete variable p.
3000 * genconditions.c (write_header): Add tm-constrs.h to included
3002 * genpeep.c (main): Add toplev.h to included headers.
3003 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3004 (build/genpeep.o): Add toplev.h dependency.
3005 * config/rs6000/constraints.md: Add "W" constraint.
3007 2006-03-29 Roger Sayle <roger@eyesopen.com>
3009 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3010 sizes by correctly testing whether the size fits a host integer.
3011 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3012 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3013 SImode range for the default sizetype and bitsizetype.
3015 2006-03-29 Roger Sayle <roger@eyesopen.com>
3017 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3018 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3019 quickly if the argument is already of the correct type.
3020 Call fold_build1 instead of build1. Tidy up blank lines.
3022 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3024 * genemit.c (main): Add tm-constrs.h to included headers.
3025 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3026 * genpeep.c (main): Add tm-constrs.h to included headers.
3027 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3028 (write_tm_constrs_h): this and write complete file.
3029 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3030 (write_insn_preds_c): Add tm-constrs.h to included headers.
3031 (gen_constrs): New variable.
3032 (parse_option): Parse "-c".
3033 (main): Invoke write_tm_constrs_h.
3034 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3035 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3036 (object_out_file): Add tm-constrs.h dependency.
3037 (insn-emit.o): Same.
3038 (insn-output.o): Same.
3039 (insn-peep.o): Same.
3040 (insn-preds.o): Same.
3041 (insn-recog.o): Same.
3042 (tm-constsr.h): New target.
3043 (s-constrs-h): New target.
3045 * config/rs6000/constraints.md: New file.
3046 * config/rs6000/rs6000.c: Include tm-constrs.h.
3047 (num_insn_constant_wide): Convert to satisfies_constraint.
3048 (rs6000_rtx_costs): Convert to satisfies_constraint.
3049 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3050 (CONST_OK_FOR_LETTER_P): Delete.
3051 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3052 (EXTRA_CONSTRAINT): Delete.
3053 (EXTRA_MEMORY_CONSTRAINT): Delete.
3054 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3055 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3056 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3057 satisfies_constraint.
3059 * config/i386/i386.c: Include tm-constrs.h.
3061 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3063 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3064 * tree-data-ref.c (find_data_references_in_loop,
3065 compute_data_dependences_for_loop): Use pointers to VEC.
3066 (analyze_all_data_dependences): Adjust calls.
3067 * tree-data-ref.h (find_data_references_in_loop,
3068 compute_data_dependences_for_loop): Adjust declarations.
3069 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3070 compute_data_dependences_for_loop.
3072 2006-03-29 Paul Brook <paul@codesourcery.com>
3074 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3077 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3079 PR tree-optimization/26859
3080 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3082 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3083 for the step after fold_convert.
3085 2006-03-29 Paul Brook <paul@codesourcery.com>
3087 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3088 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3090 2006-03-29 Paul Brook <paul@codesourcery.com>
3093 * targhooks.c (default_narrow_bitfield): New fuction.
3094 * targhooks.h (default_narrow_bitfield): add prototype.
3095 * target.h (gcc_target): Add narrow_volatile_bitfield.
3096 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3097 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3098 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3099 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3101 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3103 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3105 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3106 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3107 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3108 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3109 (s390_function_arg_float): Allow SDmode and DDmode values to be
3110 passed in floating point registers.
3111 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3112 check with SCALAR_FLOAT_MODE_P.
3113 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3115 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3117 PR tree-optimization/25985
3118 * tree-ssa-loop-niter.c (number_of_iterations_le,
3119 number_of_iterations_ne): Make comments more precise.
3120 (number_of_iterations_cond): Add only_exit argument. Use the
3121 fact that signed variables do not overflow only when only_exit
3123 (loop_only_exit_p): New.
3124 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3125 number_of_iterations_cond.
3127 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3129 PR tree-optimization/26643
3130 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3133 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3135 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3136 (divsi3_i4_int): Likewise.
3138 2006-03-28 Roger Sayle <roger@eyesopen.com>
3140 * expr.c (emit_group_store): Only create a new pseudo reg if the
3141 quantity it needs to hold isn't already a suitable pseudo.
3143 2006-03-28 Jeff Law <law@redhat.com>
3145 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3146 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3148 2006-03-28 Roger Sayle <roger@eyesopen.com>
3150 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3151 the equivalent ~X & Y, and the symmetry related transformations.
3152 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3153 ~X & Y, and symmetry related transforms.
3155 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3157 Revert my 2006-03-27 patches.
3159 2006-03-28 Roger Sayle <roger@eyesopen.com>
3161 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3162 ~(T1)X, when T1 and T2 are integer types of the same precision
3163 and (T2)X isn't an extension.
3165 2006-03-28 Jeff Law <law@redhat.com>
3167 PR tree-optimization/26796
3168 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3169 need EH edge cleanups rather than purging them immediately.
3170 (eliminate_degenerate_phis): Handle queued EH cleanups.
3172 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3174 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3177 2006-03-27 Roger Sayle <roger@eyesopen.com>
3180 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3181 cast BIT_NOT_EXPR operand to the correct type.
3183 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3185 * tree-loop-linear.c: Don't include varray.h.
3186 (gather_interchange_stats, try_interchange_loops,
3187 linear_transform_loops): Use VEC instead of VARRAY.
3188 * lambda-mat.c: Don't include varray.h.
3189 * tree-chrec.c: Same.
3190 * lambda-trans.c: Same.
3191 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3192 VEC instead of VARRAY.
3193 * tree-vectorizer.h: Idem.
3194 * tree-data-ref.c (dump_data_references,
3195 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3196 initialize_data_dependence_relation, finalize_ddr_dependent,
3197 compute_all_dependences, find_data_references_in_loop,
3198 compute_data_dependences_for_loop, analyze_all_data_dependences,
3199 free_dependence_relation, free_dependence_relations,
3200 free_data_refs): Idem.
3201 * tree-data-ref.h (data_reference_p, subscript_p): New.
3202 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3203 VEC instead of VARRAY.
3204 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3205 (find_data_references_in_loop, compute_data_dependences_for_loop,
3206 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3207 dump_data_dependence_relations, free_dependence_relations,
3208 free_data_refs): Adjust declaration.
3209 (lambda_transform_legal_p): Move declaration here...
3210 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3211 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3212 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3213 vect_analyze_data_refs): Use VEC instead of VARRAY.
3214 * lambda.h (lambda_transform_legal_p): ...from here.
3215 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3216 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3217 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3218 tree-chrec.o): Don't depend on VARRAY_H.
3220 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3222 * rtl.def (Copyright): Update date.
3223 (DEPS_LIST): Change type of the second operand to 'int'.
3224 * target.h (Copyright): Update date.
3225 (struct gcc_target.speculate_insn): Change type of the second parameter
3227 * lists.c (Copyright): Update date.
3228 (alloc_DEPS_LIST): Change signature. Update reference to the second
3229 operand of the DEPS_LIST.
3230 (copy_DEPS_LIST_list): Update reference to the second operand of the
3232 * rtl.h (Copyright): Update date.
3233 (alloc_DEPS_LIST): Update signature.
3234 * sched-int.h (Copyright): Update date.
3235 (ds_t): Change typedef to 'int'.
3236 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3238 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3240 * haifa-sched.c (Copyright): Update date.
3241 (try_ready): Change condition to restore non-speculative pattern
3243 (process_insn_depend_be_in_spec): Code to keep probability of the
3244 speculative dependence non-decreasing.
3246 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3248 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3249 shut up the compiler.
3251 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3253 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3254 to use lib prefix for target.
3255 ($(T)libic_invalidate_array_4-200.a): Likewise.
3256 ($(T)libic_invalidate_array_4a.a): Likewise.
3258 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3259 J"orn Rennecke <joern.rennecke@st.com>
3261 * superh.opt: New file.
3262 * sh.c (boardtype, osruntime): Remove.
3263 * superh.h (SUBTARGET_OPTIONS): Remove.
3264 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3266 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3267 arguments with ^ and/or [].
3269 * config.gcc (sh-*-*): Add quoting to account for quirk of
3271 Replace == with = in enable_incomplete_targets test.
3273 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3274 with MASK_LITTLE_ENDIAN.
3276 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3277 * config/sh/sh.opt: Added to some comments.
3278 * config/sh/superh.h: Removed some chaff.
3280 * config/sh/sh.opt: Add m4-[1234]00* options.
3281 * config/sh/sh.c (sh_handle_option): Likewise.
3282 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3283 (ic_invalidate_array_4-100.o): New rule.
3284 ($(T)libic_invalidate_array_4-100.a): Likewise.
3285 (ic_invalidate_array_4-200.o): Likewise.
3286 ($(T)libic_invalidate_array_4-200.a): Likewise.
3287 (ic_invalidate_array_4a.o): Likewise.
3288 ($(T)libic_invalidate_array_4a.a): Likewise.
3289 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3290 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3292 * config/sh/crt1.asm: Merged in profiling code.
3293 * config/sh/superh.h (STARTFILE_SPEC): Override.
3294 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3295 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3296 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3298 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3299 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3300 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3302 * sh.opt (mpretend-cmove): New option.
3303 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3304 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3305 (movsicc): Add TARGET_PRETEND_CMOVE code.
3307 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3309 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3310 s390_class_max_nregs): New function prototypes.
3311 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3312 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3313 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3314 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3316 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3318 * dwarf2out.c (add_location_or_const_value_attribute): Call
3319 tree_add_const_value_attribute if nothing else works.
3320 (reference_to_unused): New.
3321 (rtl_for_decl_init): Use reference_to_unused to decide whether
3322 to output an initializer.
3324 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3327 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3328 peephole removing spe frob_di_df_2.
3330 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3332 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3333 (subscript_dependence_tester_1): Declared.
3334 (print_dir_vectors, print_dist_vectors): New.
3335 (debug_data_dependence_relation): New.
3336 (dump_data_dependence_relation): Print more details.
3337 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3338 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3339 (save_dist_v, save_dir_v, add_outer_distances,
3340 build_classic_dist_vector_1): New.
3341 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3342 Don't test for lambda_vector_lexico_pos.
3343 (same_access_functions, add_multivariate_self_dist,
3344 add_other_self_distances, dir_from_dist): New.
3345 (build_classic_dir_vector): Replace implementation almost identical to
3346 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3348 (subscript_dependence_tester_1): New.
3349 (subscript_dependence_tester): Handle the lexicographically negative
3350 distance vectors by recomputing the dependence relation.
3351 (compute_affine_dependence): Remove parameter loop_nest_depth.
3352 (compute_self_dependence): Don't call compute_subscript_distance.
3353 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3354 Add a parameter for the loop_nest.
3355 (find_loop_nest_1, find_loop_nest): New.
3356 (compute_data_dependences_for_loop): Compute the loop nest, and give
3357 up if the nest is not well formed.
3358 * tree-data-ref.h (loop_p): New.
3359 (struct data_dependence_relation): Replace size_vect field with
3360 loop_nest, a vec of loops.
3361 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3362 (DDR_LOOP_NEST): New.
3363 (print_dir_vectors, print_dist_vectors,
3364 debug_data_dependence_relation): Declared.
3365 (index_in_loop_nest): New.
3366 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3367 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3370 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3372 * simplify-rtx.c (simplify_relational_operation): Call
3373 simplify_relational_operation_1 even if mode is VOIDmode.
3375 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3377 PR tree-optimization/26804
3378 * tree.h (DECL_CALL_CLOBBERED): New macro.
3379 (tree_decl_common): Add call_clobbered_flag.
3380 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3381 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3382 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3383 (mark_non_addressable): Ditto.
3384 * tree-ssa.c (verify_call_clobbered): New function.
3385 (verify_alias_info): Use it.
3386 * tree-pass.h (pass_reset_cc_flags): New prototype.
3387 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3388 (reset_cc_flags): New function.
3389 * passes.c (init_optimization_passes): Call reset_cc_flags after
3390 initializing referenced_vars.
3392 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3393 Roger Sayle <roger@eyesopen.com>
3396 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3397 to 1.0 for non-real operands. Implement A / A optimization for
3400 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3402 * config/i386/i386.c (size_cost): Correct the comment for
3403 cost of storing fp registers.
3404 (i386_cost): Likewise.
3405 (i486_cost): Likewise.
3406 (pentium_cost): Likewise.
3407 (pentiumpro_cost): Likewise.
3408 (k6_cost): Likewise.
3409 (athlon_cost): Likewise.
3410 (k8_cost): Likewise.
3411 (pentium4_cost): Likewise.
3412 (nocona_cost): Likewise.
3413 (generic64_cost): Likewise.
3414 (generic32_cost): Likewise.
3416 2006-03-24 Denis Chertykov <denisc@overta.ru>
3418 * config/avr/avr-protos.h (extra_constraint): Delete.
3419 (extra_constraint_Q): New declaration.
3420 * config/avr/constraints.md: New file.
3421 * config/avr/avr.md: Include it.
3422 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3423 (TMP_REGNO, ZERO_REGNO): Likewise.
3424 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3425 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3426 (extra_constraint): Delete.
3427 (extra_constraint_Q): Test for memory constraint 'Q'.
3428 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3429 (REG_CLASS_FROM_LETTER): Delete.
3430 (CONST_OK_FOR_LETTER_P): Delete.
3431 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3432 (EXTRA_CONSTRAINT): Delete.
3433 (TMP_REGNO): Delete.
3434 (ZERO_REGNO): Delete.
3436 2006-03-24 Jeff Law <law@redhat.com>
3438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3439 directly. Call mark_new_vars_to_rename slightly earlier.
3441 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3443 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3445 (gen_compile_unit_die): Use new language types for Objective-C and
3447 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3448 DW_LANG_C_plus_plus.
3451 * config/t-darwin (crt3.o): Work around bug 26840.
3452 * config/darwin-crt3.c: Rewrite.
3453 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3455 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3457 * doc/invoke.texi: Document -femit-class-debug-always
3458 * common.opt: Add -femit-class-debug-always.
3460 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3462 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3463 index and base register.
3464 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3465 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3466 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3467 REGNO_OK_FOR_INDEX_P.
3468 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3470 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3471 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3472 REG_OK_FOR_BASE_P): Definitions removed.
3474 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3477 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3478 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3479 set yet or weren't marked as local yet.
3481 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3483 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3486 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3488 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3489 (rs6000_legitimate_small_data_p): Delete.
3490 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3491 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3492 and make static. Add forward declaration. Update uses.
3493 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3494 of offsettable_memref_p.
3495 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3496 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3498 2006-03-24 Jeff Law <law@redhat.com>
3500 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3501 around bug in immediate-use iterator.
3503 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3506 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3507 or __LITTLE_ENDIAN__.
3509 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3511 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3512 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3513 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3514 * config/sh/sh.opt (mdiv=): Amend description.
3515 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3516 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3517 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3518 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3519 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3520 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3521 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3522 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3523 TARGET_DIVIDE_CALL_FP.
3525 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3527 * haifa-sched.c (choose_ready): Fix type of the local variable.
3528 Move local variables. Add comment.
3529 (check_reg_live): Change signature. Make callable from debugger.
3530 * sched-int.h (check_reg_live): Update signature.
3531 * sched-ebb.c (check_reg_live): Update parameters.
3532 * sched-rgn.c (check_reg_live): Ditto.
3533 (region_head_or_leaf_p): Check pointer before dereferencing.
3534 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3535 before reload on optimization levels below 1.
3537 2006-03-23 Richard Henderson <rth@redhat.com>
3539 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3543 * config/alpha/predicates.md (local_symbolic_operand): Reject
3546 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3549 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3550 expressions which have overflowed constants.
3552 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3554 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3556 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3558 * cfgloopmanip.c (create_loop_notes): Removed.
3559 * final.c (final_scan_insn): Do not handle loop notes.
3560 * jump.c (squeeze_notes): Ditto.
3561 * cfglayout.c (skip_insns_after_block,
3562 duplicate_insn_chain): Ditto.
3563 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3565 * cfgloop.h (create_loop_notes): Declaration removed.
3567 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3569 * varasm.c (output_constant_pool): Restore fnname and fndecl
3571 (assemble_start_function): Adjust call accordingly.
3572 (assemble_end_function): Likewise.
3574 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3577 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3580 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3582 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3585 * system.h (ICE_EXIT_CODE): New macro.
3586 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3587 (diagnostic_action_after_output): Likewise.
3588 * gcc.c (fatal_ice): New function.
3589 (execute): Use it instead of fatal.
3590 (fancy_abort): Likewise.
3591 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3593 2006-03-22 Jeff Law <law@redhat.com>
3595 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3596 iv_analyze_result returning false.
3598 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3600 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3602 2006-03-22 Richard Henderson <rth@redhat.com>
3605 * except.c (duplicate_eh_regions_0): New.
3606 (duplicate_eh_region_1): Duplicate the children of the node as
3607 well as the node itself. Link them up properly.
3608 (duplicate_eh_region_2): Merge into ...
3609 (duplicate_eh_regions): ... here. Take copy_region argument, and
3610 copy only a sub-tree if asked. Simplify copying and fixup.
3611 (eh_region_outer_p): New.
3612 * except.h (duplicate_eh_regions): Update decl.
3613 (eh_region_outer_p): Declare.
3614 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3615 (lower_omp_master): Likewise.
3616 (lower_omp_ordered): Likewise.
3617 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3618 (move_stmt_r): Use it to remap labels. Handle recursion vs
3619 remap_decls_p properly.
3620 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3621 (find_outermost_region_in_block): New.
3622 (new_label_mapper): New.
3623 (move_sese_region_to_fn): Copy eh information to the new function
3625 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3627 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3630 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3632 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3633 into shared libraries.
3635 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3637 * doc/md.texi: Refer to i386/constraints.md instead of
3639 * config/i386/constraints.md: New file, extracted from...
3640 * config/i386/predicates.md: ...here.
3641 * config/i386/i386.md: Include constraints.md.
3643 2006-03-21 Jason Merrill <jason@redhat.com>
3645 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3648 * expr.c (init_block_move_fn): Force default visibility.
3649 (init_block_clear_fn): Likewise.
3650 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3651 * targhooks.c (default_external_stack_protect_fail): Likewise.
3653 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3655 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3656 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3657 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3658 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3659 (loadgp): Use mips_current_loadgp_style.
3660 (loadgp_noshared): New pattern.
3661 (sibcall_internal): Use MIPS_CALL.
3662 (sibcall_value_internal): Likewise.
3663 (sibcall_value_multiple_internal): Likewise.
3664 (call_internal): Likewise.
3665 (call_value_internal): Likewise.
3666 (call_value_multiple_internal): Likewise.
3667 (call_split): Use MIPS_CALL and add an 'S' constraint.
3668 (call_value_split): Likewise.
3669 (call_value_multiple_split): Likewise.
3670 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3671 (-mshared): New option.
3672 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3673 (mips_current_loadgp_style): Declare.
3674 * config/mips/mips.c (mips_classify_symbol): Avoid using
3675 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3676 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3677 TARGET_ABSOLUTE_ABICALLS.
3678 (override_options): Adjust comments. Improve the warning that is
3679 issued when -mabicalls and -G are used together.
3680 (mips_file_start): Remove comment.
3681 (mips_current_loadgp_style): New function.
3682 (mips_gnu_local_gp): New variable.
3683 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3685 (mips_output_function_prologue): Use mips_current_laodgp_style.
3686 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3687 the cprestore instruction.
3688 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3689 live for TARGET_ABSOLUTE_ABICALLS.
3690 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3691 (ASM_SPEC): Pass down -mshared and -mno-shared.
3692 (MIPS_CALL): New macro.
3693 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3695 * doc/invoke.texi (-mabicalls): Update documentation.
3696 (-mshared): Document.
3698 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3700 * config/ia64/unwind-hpux.c: New file.
3701 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3703 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3706 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3708 2006-03-21 Jeff Law <law@redhat.com>
3710 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3711 type conversions of a VR_VARYING source to a wider type.
3713 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3715 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3716 tm_file on Solaris 10 and later.
3717 (sparc64-*-solaris2*): Likewise.
3718 (sparc-*-solaris2*): Likewise.
3719 * config/sol26.h: Rename to config/sol2-6.h.
3720 * config/sol2-10.h: New file.
3722 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3725 * tree-ssa-pre.c (create_component_ref_by_pieces):
3728 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3731 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3732 return it immediately.
3734 2006-03-21 Michael Matz <matz@suse.de>
3736 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3738 (remove_arc, add_arc): Update num_out_arcs member.
3739 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3741 (cache_presence): New function.
3742 (compare_states_for_equiv): New function.
3743 (state_is_differed): Don't take number of outargs, adjust callers.
3744 Use new invariant for speeding up.
3745 (init_equiv_class): Create initial classes based on sorted
3747 (partition_equiv_class): Don't track out_arcs_num.
3748 (evaluate_equiv_classes): Call cache_presence on all states and
3751 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3753 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3754 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3755 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3756 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3758 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3759 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3760 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3761 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3762 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3764 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3765 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3766 (REGNO_REG_CLASS): ARGP is in PREGS.
3767 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3769 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3770 to deal with those addresses.
3771 * addresses.h: New file.
3772 * caller-save.c: Include "addresses.h".
3773 (init_caller_save): Use new base_reg_class function.
3774 * rtl-factoring.c: Include "addresses.h".
3775 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3776 * recog.c: Include "addresses.h".
3777 (preprocess_constraints): Use new base_reg_class function.
3778 * regrename.c: Include "addresses.h".
3779 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3780 functions. Keep track of a new var INDEX_CODE to compute valid
3782 (replace_oldest_value_addr): Likewise.
3783 (replace_oldest_value_mem): Use base_reg_class.
3784 * reload.c: Include "addresses.h".
3785 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3786 (find_reloads): Use new base_reg_class function.
3787 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3788 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3789 all callers and prototype changed.
3790 * reload1.c: Include "addresses.h".
3791 (maybe_fix_stack_asms): Use base_reg_class.
3792 * regclass.c: Include "addresses.h".
3793 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3794 (init_reg_autoinc): Use new base_reg_class function.
3795 (record_reg_classes): Likewise.
3796 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3797 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3798 Use new args to compute necessary class.
3800 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3801 regrename.o, rtl-factoring.o): Update dependencies.
3802 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3803 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3804 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3805 REG_OK_FOR_INDEX_P): Delete documentation.
3807 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3809 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3810 from V7 to V9 for Solaris 7 and above.
3812 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3814 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3815 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3816 argument pointers may not alias any other storage.
3817 * common.opt: Define option -fargument-noalias-anything.
3818 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3819 alias semantics is specified by flag_argument_noalias > 2.
3821 2006-03-20 Jeff Law <law@redhat.com>
3823 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3824 (pass_phi_only_cprop): Declare.
3825 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3827 * tree-ssa-dom.c (degenerate_phi_result): New function.
3828 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3829 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3830 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3831 (eliminate_degenerate_phis): Likewise.
3832 (pass_phi_only_cprop): New pass descriptor.
3833 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3834 support code. Callers updated.
3835 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3836 (store_copy_prop): Likewise.
3837 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3839 2006-03-20 Jason Merrill <jason@redhat.com>
3842 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3843 (push_visibility, pop_visibility): Likewise.
3844 * c-pragma.h: Declare them.
3846 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3848 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3850 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3851 parameter and use get_ebb_head_tail.
3852 (sh_md_init_global): Adjust uses of find_regmode_weight.
3854 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3856 * function.h (struct function) <x_tail_recursion_reentry>:
3857 Rename to x_stack_check_probe_note.
3858 (tail_recursion_reentry): Rename to stack_check_probe_note.
3859 * function.c: Replace tail_recursion_reentry with
3860 stack_check_probe_note everywhere.
3861 (expand_function_start): Only emit a note for
3862 stack_check_probe_note with -fstack-protect.
3863 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3865 * emit-rtl.c (remove_unnecessary_notes): Remove.
3866 (pass_remove_unnecessary_notes): Remove.
3867 * rtl.h (remove_unnecessary_notes): Remove prototype.
3868 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3869 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3870 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3872 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3875 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3876 (valid_in_set): Handle ARRAY_REF.
3877 Change "if min_variant or VH" to asserts.
3878 (create_component_ref_by_pieces): Handle ARRAY_REF.
3879 (create_expression_by_pieces): Likewise.
3880 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3882 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3884 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3885 is operand of switch, not str[0].
3887 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3889 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3890 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3892 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3894 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3895 end of insn_extra_address_constraint declaration.
3897 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3899 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3900 (no-sum-in-toc): Same.
3901 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3903 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3904 NO_FP_IN_TOC for -fPIC instead of mask.
3906 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3907 (BOOT_LDFLAGS): Delete.
3909 * config/rs6000/t-aix52: Same.
3911 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3912 (stmsi[345678]_power): New.
3914 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3916 * config/ia64/ia64.opt: Add empty line to end of file.
3918 2006-03-17 Richard Guenther <rguenther@suse.de>
3921 * builtins.c (get_pointer_alignment): For component style references
3922 adjust alignment to the component type alignment. Make sure
3923 to adjust alignment for component access of constants.
3925 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3927 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3930 2006-03-17 Paul Brook <paul@codesourcery.com>
3932 * doc/install.texi: Docuemnt --with-mode.
3933 * config.gcc: Add --with-mode for arm*-*-*.
3934 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3936 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3938 * sh.c (max_labelno_before_reorg): New variable.
3939 (sh_reorg): Initialize it.
3940 (find_barrier): Check max_labelno_before_reorg before using
3941 label_to_alignment. Take length of explicit alignment insns
3942 into account. When seeing a UNSPECV_CONST_END, return it.
3944 * sh.c (fixup_mova): Set mode of affected label to QImode.
3945 (untangle_mova): New function.
3946 (find_barrier): Use it. Check mode of label before decrementing
3948 (sh_reorg): Likewise.
3949 Set mode of all insns back to VOIDmode.
3951 * sh.c (MOVA_LABELREF): New macro.
3952 (mova_p, fixup_mova, sh_reorg): Use it.
3953 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3954 ADDR_DIFF_VEC matches mova.
3956 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3958 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3959 with ATTRIBUTE_UNUSED.
3961 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3963 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3964 pointer, instead of assuming it is possible to derive the
3965 correct args size from a call insn.
3967 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3969 * rtl.h (CONST_INT_P): Define.
3970 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3971 instead of GET_CODE(x) == CONST_INT.
3972 (vax_rtx_costs): Likewise.
3973 (vax_output_int_move): Likewise.
3974 (vax_output_int_add): Likewise.
3975 (legitimate_constant_address_p): Likewise.
3976 (index_term_p): Likewise.
3977 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3978 * config/vax/vax.md (and<mode>3): Likewise.
3979 (ashrsi3): Likewise.
3981 (movstricthi): Likewise.
3982 (movstrictqi): Likewise.
3983 (rotrsi3): Likewise.
3984 (five unnamed insns): Likewise.
3986 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3988 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3989 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3990 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3991 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3992 Pass to ASM_OUTPUT_DWARF_OFFSET.
3993 * dwarf2out.c (debug_frame_section): New.
3994 (output_call_frame_info): Use debug_frame_section. Pass it to
3995 dw2_asm_output_offset.
3996 (output_die): Pass appropriate section to dw2_asm_output_offset.
3997 (output_compilation_unit_header): Likewise.
3998 (output_pubnames): Likewise.
3999 (output_aranges): Likewise.
4000 (enum dw_val_class): Break dw_val_class_lbl_offset into
4001 dw_val_class_lineptr and dw_val_class_macptr.
4002 (add_AT_lbl_offset): Delete.
4003 (add_AT_lineptr): New.
4004 (add_AT_macptr): New.
4005 (AT_lbl): Expect a lineptr or macptr.
4006 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4007 (attr_checksum): Likewise.
4008 (same_dw_val_p): Likewise.
4009 (size_of_die): Likewise.
4010 (value_format): Likewise.
4011 (output_die): Likewise.
4012 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4014 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4015 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4016 * config/darwin-protos.h (darwin_file_start): New.
4017 (darwin_asm_output_dwarf_offset): New.
4018 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4019 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4021 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4022 if not EH section; simplify.
4023 (darwin_file_start): New.
4024 (darwin_asm_output_dwarf_offset): New.
4025 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4027 (DEBUG_INFO_SECTION): Likewise.
4028 (DEBUG_ABBREV_SECTION): Likewise.
4029 (DEBUG_ARANGES_SECTION): Likewise.
4030 (DEBUG_MACINFO_SECTION): Likewise.
4031 (DEBUG_LINE_SECTION): Likewise.
4032 (DEBUG_LOC_SECTION): Likewise.
4033 (DEBUG_PUBNAMES_SECTION): Likewise.
4034 (DEBUG_STR_SECTION): Likewise.
4035 (DEBUG_RANGES_SECTION): Likewise.
4036 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4037 (ASM_OUTPUT_DWARF_OFFSET): New.
4039 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4041 * config.gcc (tm_defines): Always add to previous value rather
4044 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4046 * config/mips/predicates.md (splittable_const_int_operand): New,
4047 split from move_operand.
4048 (splittable_symbolic_operand): New.
4049 (move_operand): Add commentary. Use splittable_const_int_operand.
4050 Inline mips_atomic_symbolic_constant_p.
4051 * config/mips/mips.md: Add combine splitters for handling moves
4052 of splittable_const_int_operands and splittable_symbolic_operands.
4053 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4054 (mips_split_symbol): Declare.
4055 (mips_move_integer): Declare.
4056 * config/mips/mips.c (mips_split_p): Make global.
4057 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4058 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4059 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4060 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4061 (mips_offset_within_object_p): Handle block symbols.
4062 (mips_atomic_symbolic_constant_p): Delete.
4063 (mips_cannot_force_const_mem): Return false for constants that
4064 mips_legitimize_move can handle.
4065 (mips_use_blocks_for_constant_p): New function.
4066 (mips_split_symbol): Make global.
4067 (mips_move_integer): Likewise. Add a temporary register argument.
4068 (mips_legitimize_const_move): Use splittable_const_int_operand and
4069 splittable_symbolic_operand.
4070 (mips_use_anchors_for_symbol_p): New function.
4071 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4072 (mips_split_p): Declare.
4074 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4076 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4077 (mips*-*-linux*): Likewise.
4079 2006-03-16 Roger Sayle <roger@eyesopen.com>
4080 Daniel Speyer <dspeyer@wam.umd.edu>
4083 * tree-dump.c (dump_real): New function.
4084 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4085 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4086 (tree-dump.o): Add $(REAL_H) to the dependencies.
4088 2006-03-16 Roger Sayle <roger@eyesopen.com>
4091 * real.c (real_from_string): If the mantissa is zero, don't bother
4092 parsing the exponent as the result should always be zero.
4094 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4096 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4098 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4100 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4101 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4102 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4103 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4104 ia64_sched_finish_global): New static functions to implement
4105 hooks from gcc_target.sched.
4106 (spec_check_no, max_uid, pending_data_specs): New static variables.
4107 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4108 ia64_spec_check_src_p): New static functions.
4109 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4110 (TARGET_SCHED_ADJUST_COST): Removed.
4111 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4112 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4113 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4114 TARGET_SCHED_GEN_CHECK,
4115 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4116 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4117 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4118 Fixed to handle speculation checks.
4119 (rtx_needs_barrier): Fixed to handle speculative loads and
4121 (ia64_variable_issue): Added code to count speculative loads and their
4123 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4125 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4127 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4129 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4130 (ia64_reorg): Reset stops_p to NULL after it is freed.
4131 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4132 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4133 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4135 (data_speculative, control_speculative, check_load): New attributes.
4136 (mov<mode>_advanced, mov<mode>_speculative,
4137 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4138 zero_extend<mode>di2_speculative,
4139 zero_extend<mode>di2_speculative_advanced): New patterns for
4140 data and control speculative loads.
4141 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4143 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4144 New pattern for data and control speculation checks.
4145 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4146 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4147 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4148 Auxiliary definitions for the patterns.
4149 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4150 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4152 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4154 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4155 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4156 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4157 New resource constraints.
4158 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4160 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4161 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4162 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4163 msched-in-control-spec, msched-ldc, msched-control-ldc,
4164 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4165 msched-prefer-non-control-spec-insns,
4166 msched-count-spec-in-critical-path): New flags to tune speculative
4168 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4169 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4170 msched-in-control-spec, msched-ldc, msched-control-ldc,
4171 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4172 msched-prefer-non-control-spec-insns,
4173 msched-count-spec-in-critical-path): Document new flags.
4175 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4177 * target.h (struct spec_info_def): New opaque declaration.
4178 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4179 speculate_insn, needs_block_p, gen_check,
4180 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4181 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4182 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4183 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4184 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4185 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4187 (TARGET_SCHED): Use new macros.
4188 * rtl.h (copy_DEPS_LIST_list): New prototype.
4189 * sched-int.h (struct sched_info): Change signature of new_ready field,
4190 adjust all initializations. New fields: add_remove_insn,
4191 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4192 region_head_or_leaf_p.
4193 (struct spec_info_def): New structure declaration.
4194 (spec_info_t): New typedef.
4195 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4196 recovery_block, orig_pat.
4197 (glat_start, glat_end): New variables declaraions.
4198 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4200 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4201 DETACH_LIFE_INFO, USE_GLAT.
4202 (enum SPEC_SCHED_FLAGS): New enumeration.
4203 (NOTE_NOTE_BB_P): New macro.
4204 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4205 attach_life_info, debug_spec_status, check_reg_live): New functions.
4206 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4207 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4209 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4210 * ddg.c (get_block_head_tail): Adjust all uses.
4211 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4212 (sms_sched_info): Initialize new fields.
4213 (contributes_to_priority): Removed.
4214 * haifa-sched.c (params.h): New include.
4215 (get_block_head_tail): Adjust all uses.
4216 (ISSUE_POINTS): New macro.
4217 (glat_start, glat_end): New global variables.
4218 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4219 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4220 old_last_basic_block, before_recovery, current_sched_info_var,
4221 rgn_n_insns, luid): New static variables.
4222 (insn_cost1): New function. Move logic from insn_cost to here.
4223 (find_insn_reg_weight1): New function. Move logic from
4224 find_insn_reg_weight to here.
4225 (reemit_notes, move_insn, max_issue): Change signature.
4226 (move_insn1): Removed.
4227 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4228 extend_bb): New static functions to support extension of scheduler's
4230 (generate_recovery_code, process_insn_depend_be_in_spec,
4231 begin_speculative_block, add_to_speculative_block,
4232 init_before_recovery, create_recovery_block, create_check_block_twin,
4233 fix_recovery_deps): New static functions to support
4234 generation of recovery code.
4235 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4236 restore_bb_notes, move_block_after_check, move_succs): New static
4237 functions to support ebb scheduling.
4238 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4239 functions to support handling of register live information.
4240 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4241 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4242 add_jump_dependencies): New static functions.
4243 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4244 consistancy checking.
4245 (debug_spec_status): New function to call from debugger.
4246 (priority): Added code to handle speculation checks.
4247 (rank_for_schedule): Added code to distinguish speculative instructions.
4248 (schedule_insn): Added code to handle speculation checks.
4249 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4250 Fixed to handle ebbs.
4251 (move_insn): Added code to handle ebb scheduling.
4252 (max_issue): Added code to use ISSUE_POINTS of instructions.
4253 (choose_ready): Added code to choose between speculative and
4254 non-speculative instructions.
4255 (schedule_block): Added code to handle ebb scheduling and scheduling of
4256 speculative instructions.
4257 (sched_init): Initialize new variables.
4258 (sched_finish): Free new variables. Print statistics.
4259 (try_ready): Added code to handle speculative instructions.
4260 * lists.c (copy_DEPS_LIST_list): New function.
4261 * sched-deps.c (extend_dependency_caches): New function. Move logic
4262 from create_dependency_caches to here.
4263 (get_dep_weak, ds_merge): Make global.
4264 * genattr.c (main): Code to output prototype for
4265 dfa_clear_single_insn_cache.
4266 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4267 (output_dfa_clean_insn_cache_func): Code to output
4268 dfa_clear_single_insn_cache function.
4269 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4271 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4273 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4274 New static variables.
4275 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4276 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4278 (ebb_sched_info): Initialize new fields.
4279 (get_block_head_tail): Adjust all uses.
4280 (compute_jump_reg_dependencies): Fixed to use glat_start.
4281 (schedule_ebb): Code to remove unreachable last block.
4282 (schedule_ebbs): Added code to update register live information.
4283 * sched-rgn.c (region_sched_info): Initialize new fields.
4284 (get_block_head_tail): Adjust all uses.
4285 (last_was_jump): Removed. Adjust users.
4286 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4287 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4288 Implement new hooks.
4289 (check_dead_notes1): New static function.
4290 (struct region): New fields: dont_calc_deps, has_real_ebb.
4291 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4292 (BB_TO_BLOCK): Fixed to handle EBBs.
4293 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4294 (ebb_head): New static variable.
4295 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4296 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4298 (compute_dom_prob_ps): New assertion.
4299 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4300 global_live_at_start.
4301 (init_ready_list): New assertions.
4302 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4303 (new_ready): Add support for BEGIN_CONTROL speculation.
4304 (schedule_insns): Fixed code that updates register live information
4306 (schedule_region): Fixed to handle EBBs.
4307 (init_regions): Use extend_regions and check_dead_notes1.
4308 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4309 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4310 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4311 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4312 TARGET_SCHED_GEN_CHECK,
4313 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4314 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4315 * doc/invoke.texi (max-sched-insn-conflict-delay,
4316 sched-spec-prob-cutoff): Document.
4318 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4320 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4321 inter_tick, queue_index.
4322 (struct sched_info): Change signature of init_ready_list field.
4323 Adjust all initializations.
4324 (RESOLVED_DEPS): New access macro.
4325 (ready_add): Remove prototype.
4326 (try_ready): Add prototype.
4327 * sched-rgn.c (init_ready_list): Use try_ready.
4328 (schedule_region): Initialize
4329 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4330 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4331 (init_ready_list): Use try_ready.
4332 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4333 * lists.c (remove_list_elem): Remove `static'.
4334 (remove_free_INSN_LIST_elem): New function.
4335 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4336 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4337 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4339 (readyp): New variable.
4340 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4341 change_queue_index, resolve_dep): New static functions.
4342 (try_ready): New function. Adjust callers in sched-rgn.c and
4343 sched-ebb.c to use it instead of ready_add.
4344 (clock_var): Move at the begining of file.
4345 (rank_for_schedule): Fix typo.
4346 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4347 (ready_lastpos): Enforce assertion.
4348 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4350 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4351 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4352 (queue_to_ready): Use free_INSN_LIST_list.
4353 (early_queue_to_ready): Fix typo.
4354 (schedule_block): Init readyp. Move init_ready_list call after the
4355 initialization of clock_var. Fix error in rejecting insn by
4356 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4357 that previously corrected INSN_TICKs. Add code for handling
4359 (set_priorities): Fix typo.
4360 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4361 Clarify comment and code that keeps current_sched_info->next_tail
4364 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4366 * sched-rgn.c (extend_rgns): New static function.
4367 (find_rgns): Use it.
4368 (gather_region_statistics, print_region_statistics): New static
4370 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4371 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4373 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4374 Andrey Belevantsev <abel@ispras.ru>
4376 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4377 * lists.c (unused_deps_list): New variable.
4378 (free_list): Add assertions to verify the proper distinguishing
4379 between INSN_LISTs and DEPS_LISTs.
4380 (find_list_elem, remove_list_elem, remove_list_node): New static
4382 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4383 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4384 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4385 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4387 (free_INSN_LIST_node): Likewise.
4388 * modulo-sched.c (current_sched_info): Initialize flags field.
4389 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4390 * rtl.def (DEPS_LIST): Define.
4391 * rtl.h: Declare new functions from lists.c.
4392 * sched-deps.c (spec_dependency_cache): New static variable.
4393 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4394 (add_dependence): Change return type to void. Move the logic to ...
4395 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4396 (delete_all_dependences): Add comment about forward_dependency_cache.
4397 Handle spec_dependency_cache. Handle DEPS_LISTs.
4398 (fixup_sched_groups): Clarify the change of priority of output
4399 and anti dependencies.
4400 (sched_analyze_2): Adjust add_dependence calls to create data
4401 speculative dependence.
4402 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4403 Adjust all callers. Handle DEPS_LISTS.
4404 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4405 presence of speculation.
4406 (init_dependency_caches, free_dependency_caches):
4407 Handle spec_dependency_cache.
4408 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4409 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4410 New static functions.
4411 (add_or_update_back_dep, add_or_update_back_forw_dep,
4412 add_back_forw_dep, delete_back_forw_dep): New functions.
4413 * sched-int.h (ds_t, dw_t): New typedefs.
4414 (struct sched_info): Add new field flags.
4415 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4416 Prototype new sched-deps.c functions.
4417 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4418 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4419 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4420 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4421 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4422 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4424 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4426 * sched-rgn.c (current_sched_info): Initialize flags field.
4427 (schedule_insns): Initialize current_sched_info before the sched_init
4429 * sched-ebb.c (current_sched_info): Initialize flags field.
4430 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4431 Call add_or_update_back_dep instead of add_dependence.
4432 Create control speculative dependencies.
4433 (schedule_insns): Initialize current_sched_info before the sched_init
4436 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4438 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4440 (sh_fallback_frame_state): Likewise.
4442 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4444 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4445 Do switch on default_use_cxa_atexit.
4446 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4447 * config/darwin-crt3.o: New.
4448 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4449 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4450 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4452 * config/rs6000/t-darwin: Move crt2.o building to here.
4453 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4454 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4457 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4459 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4460 from '! xxx' to '!xxx' for coding-style conformance.
4461 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4462 (EXTRA_CONSTRAINT): Likewise.
4463 * config/vax/vax.md (four unnamed insns): Likewise.
4465 2006-03-15 Paul Brook <paul@codesourcery.com>
4467 * config/arm/arm.c (minipool_pad): New.
4468 (add_minipool_forward_ref): Include pool alignment padding in address
4470 (push_minipool_fix): Set minipool_pad.
4471 (minipool_pad): Ditto.
4473 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4475 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4476 instead of GET_CODE() == MEM and REG_P() instead of
4478 (print_operand_address): Likewise.
4479 (vax_address_cost): Likewise.
4480 (vax_rtx_costs): Likewise.
4481 (vax_notice_update_cc): Likewise.
4482 (vax_output_int_add): Likewise.
4483 (INDEX_REGISTER_P): Likewise.
4484 (BASE_REGISTER_P): Likewise.
4485 (nonindexed_address_p): Likewise.
4486 (vax_mode_dependent_address_p): Likewise.
4487 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4488 (PRINT_OPERAND): Likewise.
4489 * config/vax/vax.md (ashlsi3): Likewise.
4490 (ashlsi3): Likewise.
4491 (some more unnamed insns): Likewise.
4493 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4495 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4496 iterator-style macro.
4497 (mark_control_dependent_edges_necessary): Update the use of
4498 EXECUTE_IF_CONTROL_DEPENDENT.
4500 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4502 * config/sh/predicates.md (cache_address_operand): Special.
4503 (ua_address_operand): Likewise.
4505 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4507 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4509 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4511 2006-03-15 Andreas Schwab <schwab@suse.de>
4513 * gensupport.c (identify_predicable_attribute): Don't free p_false
4514 when it is still in use.
4516 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4518 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4519 the default setting here.
4521 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4523 * tree-pass.h (pass_cfg): Remove.
4524 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4525 * passes.c (pass_cfg): Don't run it.
4527 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4529 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4530 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4532 (stack_regs_mentioned): Update the uses of
4533 stack_regs_mentioned_data. Don't access the array beyond its
4535 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4536 Don't include gt-reg-stack.h.
4538 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4539 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4541 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4544 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4547 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4549 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4551 2006-03-14 Richard Guenther <rguenther@suse.de>
4553 PR tree-optimization/26672
4554 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4557 2006-03-14 Richard Guenther <rguenther@suse.de>
4559 PR tree-optimization/26667
4560 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4561 node for the callees. Always allow inlining if it will shrink
4564 2006-03-14 Richard Guenther <rguenther@suse.de>
4567 * builtins.c (get_pointer_alignment): Prefer alignment
4568 information from decls over that from types.
4570 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4573 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4575 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4577 * config/rs6000/rs6000.opt (mdlmzb): New option.
4578 (msched-prolog, msched-epilog): Use Var not Mask.
4579 * doc/invoke.texi (-mdlmzb): Document.
4580 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4582 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4583 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4585 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4587 PR rtl-optimization/25739
4588 * bt-load.c (augment_live_range): Free tos pointer.
4590 * gensupport.c (identify_predicable_attribute): Free
4592 * gcov.c (create_file_names): Free name pointer.
4594 2006-03-13 Roger Sayle <roger@eyesopen.com>
4597 * stmt.c (emit_case_nodes): Handle the case where the index is a
4598 CONST_INT, where the comparison mode is specified by the index type.
4600 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4602 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4605 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4607 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4608 (*branch_fp_inverted): Likewise.
4610 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4613 * omp-low.c (expand_omp_for_generic): Mark istart0
4614 and iend0 as addressable.
4616 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4618 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4620 2006-03-13 Jeff Law <law@redhat.com>
4622 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4623 virtual operands are interesting.
4624 (vrp_visit_stmt): Corresponding changes.
4626 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4628 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4630 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4631 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4632 * config/bfin/crti.S: Use it instead of __PIC__.
4633 * config/bfin/crtn.S: Likewise.
4635 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4636 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4638 Lose 'G' modifier for call operand.
4639 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4640 recognize 'G' modifier.
4642 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4645 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4646 * stmt.c (expand_case): Likewise.
4648 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4650 PR rtl-optimization/26254
4651 * loop-invariant.c (seq_insns_valid_p): New function.
4652 (move_invariant_reg): Only emit new code if it is valid.
4654 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4656 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4658 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4659 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4660 (commit_one_edge_insertion): Do not look for loop notes.
4662 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4664 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4665 flag_test_coverage out of loop.
4667 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4669 * final.c (shorten_branches): Remove outdated comment, and turn
4670 the if branch that guards it to continue.
4672 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4674 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4675 * cfgloop.h (struct loop): Remove unused fields.
4677 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4679 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4680 (-dL, -fdump-rtl-loop2): Update the dump file names
4682 * doc/invoke.texi: Update dump file names.
4684 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4686 * predict.c (estimate_probability): Remove.
4687 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4688 * basic-block.h (estimate_probability): Remove prototype.
4689 * passes.c (finish_optimization_passes): Dump branch prediction or
4690 profiling heuristics to the .profile tree dump.
4691 (init_optimization_passes): Unqueue pass_branch_prob.
4693 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4695 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4697 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4698 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4700 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4702 * function.h (frame_offset_overflow): Declare.
4703 * function.c (frame_offset_overflow): New function.
4704 (assign_stack_local_1): Call it to detect that the offset overflows.
4705 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4707 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4709 * config/sh/sh.c: Include alloc-pool.h.
4710 (label_ref_list_pool): New alloc pool.
4711 (label_ref_list_t): New type for lists of labels.
4712 (struct pool_node): Make wend a label_ref_list_t.
4713 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4715 (dump_table): Likewise.
4716 (sh_reorg): Set up the alloc pool before using add_constant and
4717 dump_table, and destroy it when finishing.
4719 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4721 * config/mips/mips.c: Remove redundant comment.
4723 2006-03-10 Jason Merrill <jason@redhat.com>
4726 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4727 the target was declared 'register'.
4729 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4731 * genpreds.c (write_insn_constraint_len): Change definition of
4732 insn_constraint_len to return size_t to match the declaration.
4734 2006-03-10 DJ Delorie <dj@redhat.com>
4736 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4738 (m32c_expand_insv): Fix test for an AND mask.
4740 2006-03-10 Richard Guenther <rguenther@suse.de>
4743 * builtins.c (get_pointer_alignment): Handle component
4744 references for field alignment.
4746 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4748 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4749 when building with libgloss.
4750 (sh*elf): Implement --without-fp option.
4751 (sh64-superh-linux*): Don't multilib.
4753 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4755 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4757 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4759 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4760 Set it when one of the replacement functions returned true.
4761 Return TODO_cleanup_cfg if cfgchanged is true.
4762 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4764 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4766 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4767 instead of gen_lowpart.
4769 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4771 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4773 (mips_output_order_conditional_branch): Declare.
4774 * config/mips/mips.h (MIPS_BRANCH): New macro.
4775 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4776 for the comparison. Use gen_condjump.
4777 (mips_output_conditional_branch): Rework interface to take the
4778 asm templates for a direct branch and the inverse of a direct branch.
4779 (mips_output_order_conditional_branch): New function.
4780 (mips_builtin_branch_and_move): New function.
4781 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4782 branch condition. Use gen_single_cc as the condition for
4783 __builtin_mips_upper_* or __builtin_mips_lower_*.
4784 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4785 Use VOIDmode for the branch condition.
4786 * config/mips/predicates.md (order_operator): New predicate.
4787 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4788 (branch_fp): Rename to...
4789 (*branch_fp): ...this. Remove mode from comparison operator.
4790 Use new mips_output_conditional_branch interface.
4791 (branch_fp_inverted): Rename to...
4792 (*branch_fp_inverted): ...this and update as for *branch_fp.
4793 (*branch_zero<mode>): Rename to...
4794 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4795 Use mips_output_order_conditional_branch. Only accept ordered
4797 (*branch_zero<mode>_inverted): Rename to...
4798 (*branch_order<mode>_inverted): ...this and update as for
4799 *branch_order<mode>.
4800 (*branch_equality<mode>): Accept zero as the second operand to
4801 the equality operator. Use the new mips_output_conditional_branch
4803 (*branch_equality<mode>_inverted): Likewise.
4804 (condjump): New expander.
4805 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4807 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4808 (bc1any2t, bc1any2f): Likewise.
4809 (single_cc): New expander.
4810 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4812 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4814 * doc/md.texi: Update documentation of MIPS constraints.
4815 * config/mips/constraints.md: New file.
4816 * config/mips/mips.md: Include it.
4817 * config/mips/mips.c (mips_char_to_class): Delete.
4818 (override_options): Don't initialize mips_char_to_class.
4819 * config/mips/mips.h (mips_char_to_class): Delete.
4820 (REG_CLASS_FROM_LETTER): Delete.
4821 (CONST_OK_FOR_LETTER_P): Delete.
4822 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4823 (EXTRA_CONSTRAINT_Y): Delete.
4824 (EXTRA_CONSTRAINT_STR): Delete.
4825 (CONSTRAINT_LEN): Delete.
4826 (EXTRA_MEMORY_CONSTRAINT): Delete.
4828 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4830 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4831 original fn's eh regions.
4833 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4835 * fold-const.c (build_range_check): Make sure to use a valid type to
4836 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4839 (range_predecessor): New static function.
4840 (range_successor): Likewise.
4841 (merge_ranges): Use them to compute predecessors and successors of
4844 2006-03-09 Roger Sayle <roger@eyesopen.com>
4847 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4848 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4850 2006-03-08 DJ Delorie <dj@redhat.com>
4852 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4853 (addpsi3): Expand to include memory operands. Remove
4854 reload-specific splits.
4855 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4856 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4857 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4858 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4859 (shift1_qi, shift1_hi, insv): New.
4860 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4861 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4862 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4864 * config/m32c/m32c-protos.h: Update as needed.
4865 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4866 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4867 Fail for unrecognized R* constraints.
4868 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4869 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4870 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4872 (m32c_init_libfuncs): New.
4873 (m32c_legitimate_address_p): Add debug wrapper.
4874 (m32c_rtx_costs): New.
4875 (m32c_address_cost): New.
4876 (conversions): Add 'B' prefix.
4877 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4878 operands, or word regnames for QI operands. 'B' prints bit
4880 (m32c_expand_setmemhi): New.
4881 (m32c_expand_movmemhi): New.
4882 (m32c_expand_movstr): New.
4883 (m32c_expand_cmpstr): New.
4884 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4885 (m32c_expand_neg_mulpsi3): Handle non-ints.
4886 (m32c_cmp_flg_0): New.
4887 (m32c_expand_movcc): New.
4888 (m32c_expand_insv): New.
4889 (m32c_scc_pattern): New.
4890 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4891 a0/a1 out of SIregs.
4892 (STORE_FLAG_VALUE): New.
4893 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4896 * config/m32c/mov.md: Make constraints more liberal.
4897 (zero_extendqihi2): Optimize r0/r1 case.
4898 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4899 * config/m32c/predicates.md (m32c_any_operand): New.
4900 (m32c_nonimmediate_operand): New.
4901 (m32c_hl_operand): New.
4902 (m32c_r3_operand): New.
4905 (memsym_operand): New.
4906 (memimmed_operand): New.
4907 (a_qi_operand): New.
4908 (m32c_eqne_operator): New.
4909 (m32c_1bit8_operand): New.
4910 (m32c_1bit16_operand): New.
4911 (m32c_1mask8_operand): New.
4912 (m32c_1mask16_operand): New.
4913 * config/m32c/blkmov.md: New file.
4914 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4916 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4918 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4919 unsigned to fix signed/unsigned comparison issue in
4920 DWARF2_FRAME_REG_OUT.
4921 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4922 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4924 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4925 of ptr into the ENABLE_CHECKING section.
4927 2006-03-08 Jeff Law <law@redhat.com>
4929 * tree-vrp.c (infer_value_range): Only count pointer uses
4930 and dereferences if -fdelete-null-pointer-checks is enabled.
4932 * tree-vrp.c (find_assert_locations): Infer value ranges for
4933 single use pointers, but do not create ASSERT_EXPRs for them.
4934 When a non-null range is inferred for a pointer, backwards
4935 propagate that range to other equivalent pointers through the
4938 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4941 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4942 language hook targets.
4943 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4944 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4945 if language hook targets were missing.
4947 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4949 * tree-ssa-opfinalize.h: Removed.
4950 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4952 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4953 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4954 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4955 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4956 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4957 finalize_ssa_v_must_def_ops): New.
4959 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4961 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4964 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4966 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4968 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4969 addresses with offsets; reorganize.
4971 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4972 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4973 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4975 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4978 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4980 2006-03-08 Ben Elliston <bje@au.ibm.com>
4982 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4984 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4987 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4990 2006-03-07 Richard Guenther <rguenther@suse.de>
4992 PR tree-optimization/26587
4993 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4995 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4997 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4999 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5001 * hooks.c (hook_bool_mode_rtx_true): New function.
5002 * hooks.h (hook_bool_mode_rtx_true): Declare.
5003 * toplev.c (compile_file): Call output_shared_constant_pool.
5004 * varasm.c (shared_constant_pool): New variable.
5005 (assemble_start_function, assemble_end_function): Remove arguments
5006 from call to output_constant_pool.
5007 (create_constant_pool): New function, split out from...
5008 (init_varasm_status): ...here.
5009 (force_const_mem): Choose between the shared and per-function constant
5010 pools. Set current_function_uses_const_pool when reusing old entries
5011 as well as when creating new ones.
5012 (mark_constant): Ignore data argument.
5013 (mark_constants): Remove pool argument.
5014 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5015 to decide whether the function uses a constant pool.
5016 (output_constant_pool_contents): New function, split out from...
5017 (output_constant_pool): ...here.
5018 (output_shared_constant_pool): New function.
5019 (init_varasm_once): Initialize shared_constant_pool.
5020 * output.h (output_constant_pool): Delete.
5021 (output_shared_constant_pool): Declare.
5022 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5023 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5025 2006-03-06 Nick Clifton <nickc@redhat.com>
5027 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5028 flag_strength_reduce.
5030 2006-03-06 Ben Elliston <bje@au.ibm.com>
5032 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5033 x86_64-*-linux* configurations.
5035 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5036 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5038 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5040 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5042 * basic-block.h: Remove the extern for
5043 rediscover_loops_after_threading.
5045 * cfgloop.c (cancel_loop): Make it static.
5046 * cfgloop.h: Remove the prototype for cancel_loop.
5048 * flow.c (recompute_reg_usage): Make it static.
5049 * rtl.h: Remove the prototype for recompute_reg_usage.
5051 * function.c (use_return_register): Make it static.
5052 * function.h: Remove the prototype.
5054 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5056 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5058 * recog.h: Remove the prototype for
5059 validate_change_maybe_volatile.
5061 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5063 * rtlanal.c (replace_reg): Remove.
5064 * rtl.h: Remove the prototype for replace_reg.
5066 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5068 * regclass.c (reg_scan_update): Remove.
5069 (reg_scan_mark_refs): Remove the last argument.
5070 * rtl.h: Remove the prototype for reg_scan_update.
5072 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5074 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5075 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5076 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5077 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5078 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5079 loop-invariant.c, omp-low.c, opts.c, passes.c,
5080 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5081 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5082 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5083 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5084 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5085 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5087 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5089 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5090 * dwarf2out.h: Remove the prototype for
5091 dwarf2out_add_library_unit_info.
5093 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5095 * tree.c (add_var_to_bind_expr): Remove.
5096 * tree.h: Remove the prototype for add_var_to_bind_expr.
5098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5100 * regclass.c (n_non_fixed_regs): Remove.
5101 (init_reg_sets_1, globalize_reg): Remove all uses of
5103 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5105 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5107 * rtlanal.c (insns_safe_to_move_p): Remove.
5108 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5112 * expmed.c (expand_mult_add): Remove.
5113 * expr.h: Remove the prototype for expand_mult_add.
5115 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5117 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5118 and REG_SAVED_VAL_EXP constants.
5119 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5120 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5121 Handle regs stored by value.
5122 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5123 (execute_cfa_program): Handle DW_CFA_val_offset,
5124 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5125 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5126 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5127 (uw_install_context_1): Handle target regs stored by value.
5129 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5131 * tree-sra.c (tree_sra): Return todoflags;
5132 (generate_one_element): Set TODO_update_smt_usage if needed.
5133 (pass_sra): Remove TODO_update_smt_usage.
5134 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5136 (tree_ssa_forward_propagate_single_use_vars): Return
5137 TODO_update_smt_usage if we need to update SMT usage.
5138 (pass_forwprop): Remove TODO_update_smt_usage.
5140 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5142 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5143 (correct_use_link): Remove reference to get_stmt_operands.
5144 (update_stmt_operands): Likewise.
5145 (get_modify_expr_operands): New function factored out of
5146 parse_ssa_operands and get_expr_operands.
5147 Try to create V_MUST_DEFs for LHS by default.
5148 (get_expr_operands) <case MODIFY_EXPR>: Call
5149 get_modify_expr_operands.
5150 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5151 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5152 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5153 get_modify_expr_operands.
5155 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5157 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5158 * tree-flow.h: Remove the prototype for
5159 referenced_var_lookup_if_exists.
5161 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5163 PR rtl-optimization/26345
5165 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5167 2006-03-03 Roger Sayle <roger@eyesopen.com>
5169 PR tree-optimization/26524
5170 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5171 fold_convert to create a constant of the appropriate type.
5173 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5175 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5176 SYMBOL_REF_IN_BLOCK_P.
5177 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5178 of SYMBOL_FLAG_IN_BLOCK.
5179 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5180 instead of SYMBOL_REF_IN_BLOCK_P.
5181 * explow.c (use_anchored_address): Likewise.
5182 * rtl.c (rtx_size): Likewise.
5183 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5184 instead of SYMBOL_FLAG_IN_BLOCK.
5185 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5186 SYMBOL_REF_IN_BLOCK_P.
5187 (assemble_variable): Likewise.
5188 (output_constant_def_contents): Likewise.
5189 (output_constant_pool): Likewise.
5190 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5191 instead of SYMBOL_FLAG_IN_BLOCK.
5192 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5193 SYMBOL_REF_IN_BLOCK_P.
5194 (SYMBOL_REF_BLOCK): Likewise.
5195 (SYMBOL_REF_OFFSET): Likewise.
5196 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5197 SYMBOL_REF_IN_BLOCK_P.
5198 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5199 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5200 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5201 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5203 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5205 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5207 2006-03-02 Roger Sayle <roger@eyesopen.com>
5209 * simplify-rtx.c (simplify_unary_operation): When simplifying
5210 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5211 that we perform the right shift in the appropriate mode, and
5212 then extend or truncate the result to requested mode.
5214 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5216 * gengtype.c (main): Handle double_int type.
5217 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5218 * double-int.c: New file.
5219 * double-int.h: New file.
5220 * system.h: Include doubleint.h.
5221 * Makefile.in (SYSTEM_H): Include double-int.h.
5222 (double-int.o): Add.
5224 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5227 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5230 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5232 * tree-vrp.c (remove_range_assertions): Do not update statements
5235 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5237 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5239 * gcse.c (rest_of_handle_gcse): Ditto.
5240 * except.c (gate_handle_eh): Ditto.
5241 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5242 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5244 2006-03-02 Eric Christopher <echristo@apple.com>
5246 * config/i386/i386.c (machopic_output_stub): Add indirection to
5249 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5253 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5255 Sun Niagara specific optimizations.
5256 * config.gcc: Recognize niagara as target.
5257 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5258 (TARGET_CPU_niagara): Define.
5259 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5260 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5261 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5262 (ASM_CPU_SPEC): Likewise.
5263 (PROCESSOR_NIAGARA): New enum entry.
5264 (REGISTER_MOVE_COST): Handle Niagara.
5265 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5266 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5267 (sparc_override_options): Recognize "niagara", set appropriate
5268 default MASK_* values for it, and align functions to 32-bytes
5269 by default just like ULTRASPARC/ULTRASPARC3.
5270 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5271 (sparc64_initialize_trampoline): Likewise.
5272 (sparc_use_sched_lookahead): Use zero for niagara.
5273 (sparc_issue_rate): Use one for niagara.
5274 * config/sparc/niagara.md: New file.
5275 * config/sparc/sparc.md: Include it.
5276 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5277 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5278 when default cpu is niagara.
5279 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5280 (ASM_CPU_SPEC): Likewise.
5281 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5282 when default cpu is niagara.
5283 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5284 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5285 just like v9/ultrasparc/ultrasparc3.
5286 * doc/invoke.texi: Add documentation for "niagara" and improve
5287 existing documentation for ultrasparc variants.
5289 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5291 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5293 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5295 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5296 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5297 and say that only one is needed.
5298 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5299 * target.h (have_switchable_bss_sections): New hook.
5300 * explow.c (use_anchored_address): Check that the symbol is in a block.
5301 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5302 (bss_noswitch_section): New variables.
5303 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5304 (get_noswitch_section): New function.
5305 (get_block_for_section): Allow SECT to be null.
5306 (unlikely_text_section_p): Use SECTION_STYLE.
5307 (bss_initializer_p): New function.
5308 (get_variable_section): Move earlier in file. Take a new argument,
5309 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5310 Return one of the new *_sections in such cases.
5311 (get_block_for_decl): New function, extracting some logic from
5312 use_blocks_for_decl_p.
5313 (change_symbol_section): Remove in favor of...
5314 (change_symbol_block): ...this new function.
5315 (use_blocks_for_decl_p): Remove checks now performed by
5317 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5318 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5319 (emit_local, emit_bss, emit_common): ...these new functions.
5320 Return true if the alignment was honored.
5321 (emit_tls_common): New function.
5322 (asm_emit_uninitialised): Delete.
5323 (assemble_variable_noswitch): New function, split out from...
5324 (assemble_variable): ...here. Don't make decisions about common
5325 variables here. Globalize all public decls that go into non-common
5326 sections. Check whether SYMBOL_REF_BLOCK is null.
5327 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5328 (output_constant_pool): Likewise.
5329 (init_varasm_once): Initialize the new section variables.
5330 (have_global_bss_p): New function.
5331 (categorize_decl_for_section): Use bss_initializer_p.
5332 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5333 (place_block_symbol): Assert that the symbol must be in a block.
5334 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5335 (TARGET_INITIALIZER): Include it.
5336 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5337 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5338 (SECTION_MACH_DEP): Bump by two.
5339 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5340 (unnamed_section): Mention SECTION_UNNAMED in comment.
5341 (named_section): Likewise SECTION_NAMED.
5342 (noswitch_section_callback): New type.
5343 (noswitch_section): New structure.
5344 (section): Add a noswitch_section alternative.
5345 (SECTION_STYLE): New macro.
5346 (tls_comm_section, comm_section, lcomm_section): Declare.
5347 (bss_noswitch_section, have_global_bss_p): Declare.
5348 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5349 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5351 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5352 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5355 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5357 * tree-vrp.c (execute_vrp): Return value.
5358 * regrename.c (rest_of_handle_regrename): Ditto.
5359 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5360 * tree-complex.c (tree_lower_complex): Ditto.
5361 (tree_lower_complex_O0): Ditto.
5362 * tracer.c (rest_of_handle_tracer): Ditto.
5363 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5364 * postreload.c (rest_of_handle_postreload): Ditto.
5365 * tree-tailcall.c (execute_tail_recursion): Ditto.
5366 (execute_tail_calls): Ditto.
5367 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5368 * tree.h (init_function_for_compilation): Ditto.
5369 * ipa-cp.c (ipcp_driver): Ditto.
5370 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5371 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5372 * final.c (compute_alignments): Ditto.
5373 (rest_of_handle_final): Ditto.
5374 (rest_of_handle_shorten_branches): Ditto.
5375 (rest_of_clean_state): Ditto.
5376 * omp-low.c (execute_expand_omp): Ditto.
5377 (execute_lower_omp): Ditto.
5378 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5379 * ipa-reference.c (static_execute): Ditto.
5380 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5381 * reorg.c (rest_of_handle_delay_slots): Ditto.
5382 (rest_of_handle_machine_reorg): Ditto.
5383 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5384 * flow.c (recompute_reg_usage): Ditto.
5385 (rest_of_handle_remove_death_notes): Ditto.
5386 (rest_of_handle_life): Ditto.
5387 (rest_of_handle_flow2): Ditto.
5388 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5389 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5390 (do_ssa_store_ccp): Ditto.
5391 (execute_fold_all_builtins): Ditto.
5392 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5393 * modulo-sched.c (rest_of_handle_sms): Ditto.
5394 * ipa-pure-const.c (static_execute): Ditto.
5395 * cse.c (rest_of_handle_cse): Ditto.
5396 (rest_of_handle_cse2): Ditto.
5397 * web.c (rest_of_handle_web): Ditto.
5398 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5399 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5400 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5401 * tree-nrv.c (tree_nrv): Ditto.
5402 (execute_return_slot_opt): Ditto.
5403 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5404 (create_structure_vars): Ditto.
5405 * loop-init.c (rtl_loop_init): Ditto.
5406 (rtl_loop_done): Ditto.
5407 (rtl_move_loop_invariants): Ditto.
5408 (rtl_unswitch): Ditto.
5409 (rtl_unroll_and_peel_loops): Ditto.
5410 (rtl_doloop): Ditto.
5411 * gimple-low.c (lower_function_body): Ditto.
5412 (mark_used_blocks): Ditto.
5413 * tree-ssa-sink.c (execute_sink_code): Ditto.
5414 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5415 (cgraph_early_inlining): Ditto.
5416 * global.c (rest_of_handle_global_alloc): Ditto.
5417 * jump.c (cleanup_barriers): Ditto.
5418 (purge_line_number_notes): Ditto.
5419 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5420 (rest_of_handle_if_after_reload): Ditto.
5421 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5422 (tree_ssa_loop_im): Ditto.
5423 (tree_ssa_loop_unswitch): Ditto.
5424 (tree_vectorize): Ditto.
5425 (tree_linear_transform): Ditto.
5426 (tree_ssa_loop_ivcanon): Ditto.
5427 (tree_ssa_empty_loop): Ditto.
5428 (tree_ssa_loop_bounds): Ditto.
5429 (tree_complete_unroll): Ditto.
5430 (tree_ssa_loop_prefetch): Ditto.
5431 (tree_ssa_loop_ivopts): Ditto.
5432 (tree_ssa_loop_done): Ditto.
5433 * predict.c (tree_estimate_probability): Ditto.
5434 * recog.c (split_all_insns_noflow): Ditto.
5435 (rest_of_handle_peephole2): Ditto.
5436 (rest_of_handle_split_all_insns): Ditto.
5437 * tree-eh.c (lower_eh_constructs): Ditto.
5438 * regmove.c (rest_of_handle_regmove): Ditto.
5439 (rest_of_handle_stack_adjustments): Ditto.
5440 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5441 * function.c (instantiate_virtual_regs): Ditto.
5442 (init_function_for_compilation): Ditto.
5443 (rest_of_handle_check_leaf_regs): Ditto.
5444 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5445 (rest_of_handle_gcse): Ditto.
5446 * ipa-type-escape.c (type_escape_execute): Ditto.
5447 * alias.c (rest_of_handle_cfg): Ditto.
5448 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5449 * profile.c (rest_of_handle_branch_prob): Ditto.
5450 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5451 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5452 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5453 * tree-dfa.c (find_referenced_vars): Ditto.
5454 * except.c (set_nothrow_function_flags): Ditto.
5455 (convert_to_eh_region_ranges): Ditto.
5456 (rest_of_handle_eh): Ditto.
5457 * emit-rtl.c (unshare_all_rtl): Ditto.
5458 (remove_unnecessary_notes): Ditto.
5459 * except.h (set_nothrow_function_flags): Ditto.
5460 (convert_to_eh_region_ranges): Ditto.
5461 * cfgexpand.c (tree_expand_cfg): Ditto.
5462 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5463 * tree-ssa-pre.c (do_pre): Ditto.
5464 (execute_fre): Ditto.
5465 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5466 (rest_of_handle_jump2): Ditto.
5467 * tree-sra.c (tree_sra): Ditto.
5468 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5469 (execute_mudflap_function_decls): Ditto.
5470 * tree-ssa-copy.c (do_copy_prop): Ditto.
5471 (do_store_copy_prop): Ditto.
5472 * ipa-prop.h (ipcp_driver): Ditto.
5473 * cfglayout.c (insn_locators_initialize): Ditto.
5474 * tree-ssa-forwprop.c
5475 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5476 * cfglayout.h (insn_locators_initialize): Ditto.
5477 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5478 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5479 (execute_late_warn_uninitialized): Ditto.
5480 * rtl.h (cleanup_barriers): Ditto.
5481 (split_all_insns_noflow): Ditto.
5482 (purge_line_number_notes): Ditto.
5483 (unshare_all_rtl): Ditto.
5484 (remove_unnecessary_notes): Ditto.
5485 (recompute_reg_usage): Ditto.
5486 (variable_tracking_main): Ditto.
5487 * integrate.c (emit_initial_value_sets): Ditto.
5488 * integrate.h (emit_initial_value_sets): Ditto.
5489 * tree-optimize.c (execute_free_datastructures): Ditto
5490 (execute_free_cfg_annotations): Ditto.
5491 (execute_fixup_cfg): Ditto.
5492 (execute_cleanup_cfg_pre_ipa): Ditto.
5493 (execute_cleanup_cfg_post_optimizing): Ditto.
5494 (execute_init_datastructures): Ditto.
5495 * tree-object-size.c (compute_object_sizes): Ditto.
5496 * combine.c (rest_of_handle_combine): Ditto.
5497 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5498 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5499 (rest_of_handle_reorder_blocks): Ditto.
5500 (rest_of_handle_partition_blocks): Ditto.
5501 * var-tracking.c (variable_tracking_main): Ditto.
5502 * tree-profile.c (tree_profiling): Ditto.
5503 * tree-vect-generic.c (expand_vector_operations): Ditto.
5504 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5505 * sched-rgn.c (rest_of_handle_sched): Ditto.
5506 (rest_of_handle_sched2): Ditto.
5507 * basic-block.h (free_bb_insn): Ditto.
5508 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5509 * tree-cfg.c (execute_build_cfg): Ditto.
5510 (remove_useless_stmts): Ditto.
5511 (split_critical_edges): Ditto.
5512 (execute_warn_function_return): Ditto.
5513 (execute_warn_function_noreturn): Ditto.
5514 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5515 * cfgrtl.c (free_bb_for_insn): Ditto.
5516 * passes.c (execute_one_pass): Run additional
5517 todos returned by execute function.
5518 * tree-pass.h (struct tree_opt_pass): Make execute
5521 2006-03-02 Richard Guenther <rguenther@suse.de>
5523 * tree-ssa-alias.c (find_used_portions): Consider taking
5524 the address as making the variable not write-only.
5526 2006-03-02 Nick Clifton <nickc@redhat.com>
5528 * config.gcc (default_use_cxa_atexit): Extend the description of
5529 this configure variable. Set its default value to "yes" for
5530 Linux, NetBSD and ELF targets on the assumption that they will
5531 use C libraries with the __cxa_atexit function.
5533 2006-03-02 Ben Elliston <bje@au.ibm.com>
5535 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5536 parameter as unused to suppress a build warning.
5538 2006-03-02 Ben Elliston <bje@au.ibm.com>
5540 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5543 2006-03-01 Roger Sayle <roger@eyesopen.com>
5546 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5547 declared name, the weak reference name, and the typeof name.
5548 (__gthrw): Avoid expanding the declared name suffix.
5549 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5551 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5553 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5555 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5556 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5557 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5558 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5559 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5560 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5561 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5562 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5563 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5564 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5565 (DW_END_default, DW_END_big, DW_END_little): New.
5566 (DW_END_lo_user, DW_END_hi_user): Define.
5567 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5568 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5569 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5572 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5574 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5576 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5578 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5580 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5582 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5583 to 'symbol_mem_tag'.
5585 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5588 2006-03-01 Roger Sayle <roger@eyesopen.com>
5590 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5592 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5595 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5596 MACHO_DYNAMIC_NO_PIC_P.
5597 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5599 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5602 * config/darwin-protos.h (darwin_asm_output_anchor):
5604 * config/darwin-sections.def (cstring_section):
5605 Add SECTION_MERGE to the flags.
5606 (literal4_section): Likewise.
5607 (literal8_section): Likewise.
5608 (objc_selector_refs_section): Likewise.
5609 (objc_cls_refs_section): Likewise.
5610 * config/darwin.c (darwin_asm_output_anchor): New
5612 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5614 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5616 Fix PR tree-optimization/26443
5617 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5618 to todo and PROP_tmt_usage to properties_destroyed.
5619 * tree-ssa-ccp.c (pass_ccp): Ditto.
5620 (pass_store_ccp): Ditto.
5621 * tree-ssa-dom.c (pass_dominator): Ditto.
5623 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5625 * tree-ssa-operands.c: Cleanup whitespace.
5626 (get_asm_expr_operands): Move before first invocation.
5627 (get_indirect_ref_operands): Likewise.
5628 (get_tmr_operands): Likewise.
5629 (get_call_expr_operands): Likewise.
5630 (append_def): Likewise.
5631 (append_use): Likewise.
5632 (append_v_may_def): Likewise.
5633 (append_v_must_def): Likewise.
5634 (add_call_clobber_ops): Likewise.
5635 (add_call_read_ops): Likewise.
5636 (add_stmt_operand): Likewise.
5637 (add_virtual_operand): Likewise.
5638 (build_ssa_operands): Likewise.
5640 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5645 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5646 with a call expr to ...
5647 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5649 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5651 * tree-vrp.c (extract_range_from_assert): Remove special
5652 handling for types with super-types.
5654 2006-03-01 Ben Elliston <bje@au.ibm.com>
5656 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5657 and powerpc64-*-linux* configurations.
5658 * config/t-dfprules: New file.
5660 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5661 Compile dfp-bit.c from the source directory using -DWIDTH and
5662 $DFP_CFLAGS to control the compilation of that file, rather than
5663 generating width-specific versions in the build directory.
5664 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5665 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5667 2006-02-28 Zack Weinberg <zackw@panix.com>
5669 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5672 2006-02-28 Eric Christopher <echristo@apple.com>
5674 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5675 Set up IN_LIBGCC definition of TARGET_64BIT.
5676 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5678 2006-02-28 Roger Sayle <roger@eyesopen.com>
5681 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5682 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5683 cases via the construction of "expr != 0".
5685 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5687 * alias.c (alias_invariant, alias_invariant_size): Remove.
5688 (record_base_value): Remove.
5689 (memrefs_conflict_p): Don't look at alias_invariant.
5690 (end_alias_analysis): Don't free it.
5691 * alias.h (record_base_value): Remove prototype.
5693 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5694 Adam Nemet <anemet@caviumnetworks.com>
5696 * rtl.h (truncated_to_mode): Declare it.
5697 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5698 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5699 (RTL_HOOKS_INITIALIZER): Include it.
5700 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5701 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5702 reg_truncated_to_mode.
5703 * rtlanal.c (truncated_to_mode): Define it.
5704 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5706 2006-02-28 Jeff Law <law@redhat.com>
5708 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5709 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5710 the range allowed by TYPE_PRECISION.
5712 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5714 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5716 PR tree-optimization/26419
5717 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5720 2006-02-27 Zack Weinberg <zackw@panix.com>
5722 * doc/md.texi: Fix typo in previous change.
5724 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5728 2006-02-27 Zack Weinberg <zackw@panix.com>
5730 * rtl.def (define_constraint, define_register_constraint)
5731 (define_memory_constraint, define_address_constraint): New MD forms.
5732 * gensupport.c (process_rtx): Put define_constraint etc on the
5734 * genpreds.c (process_define_predicate): Adjust comment. Validate
5735 the name, and call validate_exp to validate the expression.
5736 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5737 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5738 all callers changed.
5739 (validate_exp, needs_variable, struct constraint_data)
5740 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5741 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5742 (const_dbl_constraints, constraint_max_namelen)
5743 (have_register_constraints, have_memory_constraints)
5744 (have_address_constraints, have_address_constraints)
5745 (have_extra_constraints, have_const_int_constraints)
5746 (have_const_dbl_constraints, mangle, add_constraint)
5747 (process_define_constraint, process_define_register_constraint)
5748 (write_enum_constraint_num, write_lookup_constraint)
5749 (write_insn_constraint_len, write_regclass_for_constraint)
5750 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5751 (write_insn_extra_memory_constraint)
5752 (write_insn_extra_address_constraint)
5753 (write_satisfies_constraint_fns): New.
5754 (write_tm_preds_h): If we have new-style constraint definitions,
5755 prototype the functions generated from them, and define the
5756 old constraint interface (still used by generic code) in terms of
5758 (write_insn_preds_c): If we have new-style constraint definitions,
5759 generate all relevant functions from those definitions.
5760 (main): Handle define_constraint etc.
5761 * genoutput.c (struct constraint_data, indep_constraints)
5762 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5763 (mdep_constraint_len): New data structures and functions, defined
5764 #ifdef USE_MD_CONSTRAINTS.
5765 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5766 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5767 use new logic to validate operand constraints against constraint
5769 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5771 * defaults.h: If none of the old-style constraint macros are
5772 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5773 old-style macros; and poison REG_CLASS_FROM_LETTER,
5774 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5776 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5777 * doc/md.texi: Document new constraint-definition mechanism and the
5778 C interface it provides. Remove references to old mechanism
5779 elsewhere in the document.
5780 (Machine Constraints): Use pathnames relative to gcc directory,
5781 i.e. config/ARCH/FILE. Change i386 section to refer to
5782 config/i386/predicates.md; update that section to match docstrings.
5783 * doc/tm.texi: Move all documentation of the old constraint-
5784 definition macros to their own section, clearly mark as obsolete.
5786 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5787 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5789 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5790 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5791 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5793 (splits and peepholes): Use satisfies_constraint_*.
5794 * config/i386/i386.c (memory_address_length)
5795 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5797 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5799 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5800 scalar operation to be put back into the loop.
5802 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5805 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5806 (extract_cie_info): Handle S flag in augmentation string.
5807 (execute_cfa_program): If context->signal_frame, execute also
5808 fs->pc == context->ra instructions.
5809 (uw_frame_state_for): If context->signal_frame, don't subtract one
5810 from context->ra to find FDE.
5811 (uw_update_context_1): Set context->signal_frame to
5813 (_Unwind_GetIPInfo): New function.
5814 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5815 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5817 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5818 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5819 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5820 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5821 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5822 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5823 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5824 x86_64_fallback_frame_state): Set fs->signal_frame.
5825 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5826 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5827 (frob_update_context): Likewise. Workaround missing S flag in
5828 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5829 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5830 Remove the psw_addr + 1 hack.
5832 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5834 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5835 with aggregates here.
5836 (find_func_aliases): Remove code for &<aggregate> from here.
5838 2006-02-26 Roger Sayle <roger@eyesopen.com>
5840 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5841 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5842 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5845 2006-02-26 Roger Sayle <roger@eyesopen.com>
5848 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5850 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5852 * opts.c (decode_options): Do not handle flag_strength_reduce.
5853 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5854 and OPT_fstrength_reduce.
5855 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5856 flag_prefetch_loop_arrays for being nonzero.
5857 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5859 (fprefetch-loop-arrays-rtl): Removed.
5860 (flag_prefetch_loop_arrays): Do not specify the value.
5862 * doc/passes.texi: Update documentation of loop optimizer
5864 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5865 -frerun-loop-opt): Remove.
5867 2006-02-26 Richard Guenther <rguenther@suse.de>
5869 PR tree-optimization/26421
5870 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5871 in function calls that are ADDR_EXPRs as using the whole structure.
5873 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5875 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5876 * tree-pass.h (pass_loop_optimize): Remove.
5877 * passes.c (pass_loop_optimize): Never run it.
5878 * toplev.c (backend_init): Don't call init_loop.
5879 * opts.c (flag_loop_optimize_set): Remove.
5880 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5881 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5882 the old RTL loop optimizer when profiling enabled.
5883 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5884 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5885 pre-headers for the sake of the old RTL loop optimizer.
5886 * Makefile.in: Remove all references to loop.o.
5888 * doc/invoke.texi: Remove all references to -floop-optimize
5889 and -frerun-loop-opt.
5891 2006-02-26 Zack Weinberg <zackw@panix.com>
5893 * doc/md.texi (Machine Constraints): Refer to all files with paths
5894 relative to gcc directory (i.e. config/CPU/file). Add missing
5895 @table @code ... @end table to M32C subsection.
5897 2006-02-26 Roger Sayle <roger@eyesopen.com>
5899 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5901 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5903 2006-02-26 Roger Sayle <roger@eyesopen.com>
5904 James A. Morrison <phython@gcc.gnu.org>
5907 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5908 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5909 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5910 signedness of the shift operation.
5912 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5914 PR tree-optimization/26359
5915 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5917 2006-02-25 Roger Sayle <roger@eyesopen.com>
5919 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5920 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5921 as X == 0, and some symmetry related transformations.
5922 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5924 2006-02-25 Roger Sayle <roger@eyesopen.com>
5927 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5928 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5929 symmetry related transformations. Fold (X^C1) == C2 as
5932 2006-02-25 Juergen Weigert <jw@suse.de>
5933 Richard Guenther <rguenther@suse.de>
5935 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5937 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5939 * combine.c (gen_lowpart_or_truncate): Call
5940 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5942 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5944 * doc/invoke.texi: Move -fopenmp description to "Options for
5946 Remove reference to -lgomp.
5948 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5950 * doc/install.texi: Require GNU tar version 1.14.
5952 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5954 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5955 * doc/invoke.texi (C++ Dialect Options): Document
5956 -fno-use-cxa-get-exception-ptr.
5957 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5958 * configure: Regenerate.
5959 * c.opt (fuse-cxa-get-exception-ptr): New.
5960 * c-opts.c (c_common_handle_option): Handle
5961 OPT_fuse_cxa_get_exception_ptr.
5962 * c-common.c (flag_use_cxa_atexit): Update documentation.
5963 (flag_use_cxa_get_exception_ptr): New.
5964 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5965 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5967 (C_COMMON_OVERRIDE_OPTIONS): New.
5969 2006-02-24 Roger Sayle <roger@eyesopen.com>
5972 * combine.c (try_combine): Explicitly check whether GET_CODE is
5973 a SET or a CLOBBER, instead on checking that it isn't a USE.
5975 2006-02-24 Roger Sayle <roger@eyesopen.com>
5977 * fold-const.c (fold_comparison): New subroutine of fold_binary
5978 containing transformations common to both the equality and
5979 ordering relational operators, factored out of fold_binary.
5980 (fold_binary): Separate out the equality operators (EQ_EXPR
5981 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5982 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5983 transformations common to both.
5984 (fold_div_compare): Fix latent bugs in the previously unreachable
5985 LT_EXPR and GE_EXPR cases.
5987 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5989 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5990 decl libname for clog to __clog on AIX.
5992 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5994 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5997 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5998 output traceback table for thunks. Localise rs6000_stack_info call.
6000 2006-02-23 Roger Sayle <roger@eyesopen.com>
6001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6003 * gthr-posix.h (__gthrw): Fix typo in comment.
6005 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6007 * doc/cpp.texi (Character sets): Document that we do support
6008 input files to be in any character set.
6010 2006-02-23 Jeff Law <law@redhat.com>
6012 * tree.h (PHI_ARG_NONZERO): Remove.
6013 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6014 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6015 node to the new node.
6017 PR tree-optimization/26425
6018 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6019 min/max, then assume its varying.
6021 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6023 PR rtl-optimization/26316
6024 * rtlanal.c (enum may_trap_p_flags): New.
6025 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6026 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6027 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6028 (may_trap_after_code_motion_p): New function.
6029 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6030 (find_invariant_insn): Use may_trap_after_code_motion_p.
6031 * rtl.h (may_trap_after_code_motion_p): Declare.
6033 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6035 * emit-rtl.c (immed_double_const): Cleanup.
6037 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6039 Fix PR tree-optimization/26376
6040 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6043 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6046 * gimplify.c (omp_add_variable): Guard variable size decl test with
6047 DECL_SIZE (decl) check.
6049 2006-02-23 Richard Guenther <rguenther@suse.de>
6052 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6053 like aggregate types.
6055 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6057 * configure.ac: Add --with{,out}-long-double-128 configure option.
6058 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6059 * configure: Rebuilt.
6060 * config.in: Rebuilt.
6061 * doc/install.texi (Options specification): Document
6062 --with-long-double-128.
6064 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6065 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6066 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6067 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6069 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6071 * config/s390/s390.c (override_options): Handle
6072 TARGET_DEFAULT_LONG_DOUBLE_128.
6074 * config/alpha/alpha.c (override_options): Handle
6075 TARGET_DEFAULT_LONG_DOUBLE_128.
6077 * config/sparc/sparc.c (sparc_override_options): Handle
6078 TARGET_DEFAULT_LONG_DOUBLE_128.
6080 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6082 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6083 (real-install-headers-tar, real-install-headers-cpio)
6084 (real-install-headers-cp): New targets.
6086 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6088 * tree.h (variable_section): Delete.
6089 * varasm.c (variable_section): Delete.
6091 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6093 * install.texi: Add notes on install.texi2html.
6094 (Building in parallel): Do not use footnotes.
6096 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6099 * doc/install.texi (Configuration): Document --disable-libgomp.
6101 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6103 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6105 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6107 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6108 (vec_extractv2df_0_sse): New.
6110 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6112 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6113 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6114 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6115 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6116 to the result of the expression.
6117 (def_cfa_1): Adjust.
6118 (frame_pointer_cfa_offset): Rename to...
6119 (frame_pointer_fb_offset): ... this. Adjust all uses.
6120 (convert_cfa_to_loc_list): Rename to...
6121 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6122 Pass it on to build_cfa_loc.
6123 (compute_frame_pointer_to_cfa_displacement): Rename to...
6124 (compute_frame_pointer_to_fb_displacement): ... this. New
6125 offset parameter. Use it in computation.
6126 (gen_subprogram_die): Compute cfa_fb_offset with the new
6127 macro, and use it to compute the fb loc list and the
6130 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6132 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6133 replaced with register_operand.
6134 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6135 non-DREG is expensive.
6136 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6137 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6140 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6142 * doc/install.texi2html: Use set -e.
6144 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6146 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6147 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6148 * doc/invoke.texi (-fshared-data): Delete.
6149 * common.opt (fshared-data): Delete.
6150 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6151 (assemble_static_space): Remove #if 0 code.
6152 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6153 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6154 * config/cris/cris.h: Remove FIXME.
6156 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6158 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6161 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6164 * combine.c (simplify_shift_const_1): Disable nested shifts
6165 optimization for vector shifts.
6167 2006-02-20 Roger Sayle <roger@eyesopen.com>
6169 PR tree-optimization/26361
6170 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6171 of unsigned integer types.
6173 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6175 * tree-chrec.c (eq_evolutions_p): New.
6176 * tree-chrec.h (eq_evolutions_p): Declared.
6177 * tree-data-ref.c: Fix formatting.
6178 (datadep_stats, dependence_stats): New.
6180 (print_direction_vector): New.
6181 (dump_data_dependence_relation): Use print_direction_vector.
6182 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6183 (compute_subscript_distance): Static.
6184 (initialize_data_dependence_relation): Static. Get the number
6185 of loops surrounding the references from the callers, and initialize
6186 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6187 base_object_differ_p analyzers.
6188 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6189 compute_overlap_steps_for_affine_1_2,
6190 analyze_subscript_affine_affine): Count the classified dependences.
6191 Print a message when a test failed.
6192 (can_use_analyze_subscript_affine_affine): New.
6193 (analyze_siv_subscript): Compute the data dependences on symbolic
6194 scevs that verify can_use_analyze_subscript_affine_affine.
6195 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6196 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6197 Handle symbolic scevs.
6198 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6200 (subscript_dependence_tester): Moved...
6201 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6202 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6203 DDR_SIZE_VECT instead of getting it in parameter.
6204 (subscript_dependence_tester): ... here. Take as a parameter
6205 loop_nest_depth. Call build_classic_dist_vector and
6206 build_classic_dir_vector.
6207 (compute_affine_dependence): Update subscript_dependence_tester
6208 parameters. Update datadep_stats counters. Call
6209 compute_subscript_distance.
6210 (compute_self_dependence): Save the dist and dir vectors. Call
6211 compute_subscript_distance.
6212 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6213 (compute_all_dependences): Reorder parameters as they were before
6214 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6215 compute_subscript_distance. Update the use of
6216 compute_affine_dependence and initialize_data_dependence_relation.
6217 (find_data_references_in_loop): Handle COMPONENT_REF.
6218 (compute_data_dependences_for_loop): Initialize dependence_stats.
6219 Don't call build_classic_dist_vector and build_classic_dir_vector.
6220 Update the parameters of initialize_data_dependence_relation and
6221 compute_all_dependences. Print the statistics from datadep_stats.
6222 (analyze_all_data_dependences): Static. Not used until the pass for
6223 checking the data dependences is contributed.
6224 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6225 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6226 (initialize_data_dependence_relation, compute_affine_dependence,
6227 analyze_all_data_dependences, compute_subscript_distance): Removed.
6228 (print_direction_vector): New.
6229 * lambda.h (gcd): ... here.
6230 (lambda_vector_gcd): Moved here from gcd_vector.
6231 * lambda-code.c (gcd, gcd_vector): Removed.
6232 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6233 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6235 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6237 * ipa-type-escape.c: Tidy some comments and white space.
6238 * tree-ssa-operands.c: Likewise.
6240 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6243 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6244 (dump_decl_name): Do not walk the decl tree chains.
6245 * tree-pass.h (TDF_CHAIN): Remove.
6247 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6249 * Makefile.in (C): Remove
6251 (.PHONY): Remove C and PROTO
6253 2006-02-20 Roger Sayle <roger@eyesopen.com>
6256 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6257 deprecated CHAR_TYPE tree code.
6259 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6261 * configure.ac (target_list): Add install-info, dvi, html.
6262 * configure: Regenerate.
6264 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6265 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6266 treelang/Make-lang.in: Do not use double-colon rules.
6268 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6270 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6271 (TMT_USED_ALONE): New macro.
6272 * tree-pass.h (PROP_tmt_usage): New property.
6273 (TODO_update_tmt_usage): New todo.
6274 * tree-ssa-alias.c (updating_used_alone): New variable.
6275 (recalculate_used_alone): New function.
6276 (compute_may_aliases): Set updating_used_alone, call
6277 recalculate_used_alone.
6278 * tree-sra.c (pass_sra): Note that this pass destroys
6279 PROP_tmt_usage, and add TODO_update_tmt_usage.
6280 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6281 * tree-flow.h (updating_used_alone): Prototype.
6282 (recalculate_used_alone): Ditto.
6283 * passes.c (execute_todo): Add code to set updating_used_alone,
6284 and call recalculate.
6285 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6286 for clobber if used alone, and add assert to verify used_alone
6289 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6291 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6292 for non tls symbols added.
6293 (legitimize_address): Do nothing for PLUS expressions if one of the
6294 addends is a tls symbol reference.
6296 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6300 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6302 * Makefile.in (BOOTSTRAPPING): New.
6303 (quickstrap): New definition if BOOTSTRAPPING=yes.
6305 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6306 * configure.ac: Substitute all_selected_languages with the languages
6307 that were configured. For all the other variables except
6308 lang_specs_files, include all the languages in the tree.
6309 * configure: Regenerate.
6311 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6312 if there is one. Run the commands to run fixincludes in the same
6315 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6316 * doc/install.texi: Document exact conventions for searching target tools.
6317 Document --with-build-time-tools. Document toplevel bootstrap. Document
6318 something more about building an Ada cross-compiler. Don't list GNU Make
6319 requirements which affect all platforms.
6321 2006-02-19 Roger Sayle <roger@eyesopen.com>
6324 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6325 only equivalent if the have both the same mode and precision.
6327 2006-02-20 Ben Elliston <bje@au.ibm.com>
6329 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6331 2006-02-19 Roger Sayle <roger@eyesopen.com>
6332 Steven Bosscher <stevenb.gcc@gmail.com>
6334 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6335 constant pool references to identify stack mode constants.
6336 * rtlanal.c (constant_pool_constant_p): New predicate to check
6337 whether operand is a floating point constant in the pool.
6338 * rtl.h (constant_pool_constant_p): Prototype here.
6339 * loop.c (scan_loop): Avoid hoisting constants from the constant
6340 pool on STACK_REGS targets.
6341 (load_mems): Likewise.
6342 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6343 loads into x87 registers expensive in terms of register pressure.
6345 2006-02-19 Roger Sayle <roger@eyesopen.com>
6347 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6348 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6350 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6352 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6353 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6355 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6357 * doc/invoke.texi: Document -fipa-pta.
6358 * common.opt: Add ipa-pta option.
6359 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6360 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6361 (do_ds_constraint): Ditto.
6362 (get_constraint_for): Only add to referenced_vars if
6363 referenced_vars exists.
6364 (insert_into_field_list): Rewrite to do this unsorted.
6365 (insert_into_field_list_sorted): Rename old insert_into_field_list
6367 (create_function_info_for): Use insert_into_field_list_sorted.
6368 (create_variable_info_for): Rewrite so it uses unsorted version,
6369 since the field list is sorted.
6370 (intra_create_variable_infos): Only add to referenced_vars if
6371 referenced_vars exists.
6372 (ipa_pta_execute): Init heapvars, and delete when done.
6373 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6375 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6377 * doc/install.texi: Add missing `@samp'.
6379 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6381 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6384 2006-02-18 Mark Wielaard <mark@klomp.org>
6386 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6387 who added new 4.1 features, bug fixes and integration support.
6389 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6392 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6395 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6397 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6398 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6399 (copy_insn_1): Likewise. Don't copy each field individually.
6401 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6403 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6404 * rtl.c (rtx_size): Rename variable to...
6405 (rtx_code_size): ...this.
6406 (rtx_size): New function.
6407 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6408 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6410 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6411 * rtl.h (rtx_code_size): New variable.
6412 (rtx_size): Change from a variable to a function.
6413 (RTX_SIZE): Rename to...
6414 (RTX_CODE_SIZE): ...this.
6417 PR tree-optimization/17106
6418 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6419 (Anchored Addresses): New section.
6420 * doc/invoke.texi (-fsection-anchors): Document.
6421 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6422 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6423 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6424 * hooks.c (hook_bool_mode_rtx_false): New function.
6425 * hooks.h (hook_bool_mode_rtx_false): Declare.
6426 * gengtype.c (create_optional_field): New function.
6427 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6428 SYMBOL_REF_IN_BLOCK_P is true.
6429 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6430 (min_anchor_offset, max_anchor_offset): Likewise.
6431 (use_anchors_for_symbol_p): New hook.
6432 * toplev.c (compile_file): Call output_object_blocks.
6433 (target_supports_section_anchors_p): New function.
6434 (process_options): Check that -fsection-anchors is only used on
6435 targets that support it and when -funit-at-a-time is in effect.
6436 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6437 if the decl doesn't have one.
6438 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6439 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6440 of force_const_mem through use_anchored_address.
6441 (expand_expr_constant): New function.
6442 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6443 calling expand_expr for INDIRECT_REF.
6444 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6445 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6446 * expr.h (use_anchored_address): Declare.
6447 * loop-unroll.c: Don't declare rtx vectors here.
6448 * explow.c: Include output.h.
6449 (validize_mem): Call use_anchored_address.
6450 (use_anchored_address): New function.
6451 * common.opt (-fsection-anchors): New switch.
6452 * varasm.c (object_block_htab, anchor_labelno): New variables.
6453 (hash_section, object_block_entry_eq, object_block_entry_hash)
6454 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6455 (use_blocks_for_decl_p, change_symbol_section): New functions.
6456 (get_variable_section): New function, split out from assemble_variable.
6457 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6458 use_blocks_for_decl_p say so. Use change_symbol_section if the
6459 symbol has already been created.
6460 (assemble_variable_contents): New function, split out from...
6461 (assemble_variable): ...here. Don't output any code for
6462 block symbols; just pass them to place_block_symbol.
6463 Use get_variable_section and assemble_variable_contents.
6464 (get_constant_alignment, get_constant_section, get_constant_size): New
6465 functions, split from output_constant_def_contents.
6466 (build_constant_desc): Create a block symbol if use_object_blocks_p
6467 says so. Or into SYMBOL_REF_FLAGS.
6468 (assemble_constant_contents): New function, split from...
6469 (output_constant_def_contents): ...here. Don't output any code
6470 for block symbols; just pass them to place_section_symbol.
6471 Use get_constant_section and get_constant_alignment.
6472 (force_const_mem): Create a block symbol if use_object_blocks_p and
6473 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6474 (output_constant_pool_1): Add an explicit alignment argument.
6475 Don't switch sections here.
6476 (output_constant_pool): Adjust call to output_constant_pool_1.
6477 Switch sections here instead. Don't output anything for block symbols;
6478 just pass them to place_block_symbol.
6479 (init_varasm_once): Initialize object_block_htab.
6480 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6481 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6482 (place_block_symbol, get_section_anchor, output_object_block)
6483 (output_object_block_htab, output_object_blocks): New functions.
6484 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6485 (TARGET_ASM_OUT): Include it.
6486 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6487 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6488 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6489 (TARGET_INITIALIZER): Include them.
6490 * rtl.c (rtl_check_failed_block_symbol): New function.
6491 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6492 (block_symbol, object_block): New structures.
6493 (rtx_def): Add a block_symbol field to the union.
6494 (BLOCK_SYMBOL_CHECK): New macro.
6495 (rtl_check_failed_block_symbol): Declare.
6496 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6497 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6498 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6499 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6500 * output.h (output_section_symbols): Declare.
6501 (object_block): Name structure.
6502 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6503 (default_use_anchors_for_symbol_p): Declare.
6504 * Makefile.in (RTL_BASE_H): Add vec.h.
6505 (explow.o): Depend on output.h.
6506 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6507 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6508 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6509 (rs6000_use_blocks_for_constant_p): New function.
6511 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6513 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6515 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6518 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6521 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6523 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6527 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6530 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6531 instead of DECL_REGISTER.
6533 2006-02-18 Olivier Hainque <hainque@adacore.com>
6536 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6538 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6541 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6542 * opth-gen.awk: Handle Var and InverseMask together.
6543 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6544 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6545 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6546 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6548 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6550 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6551 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6552 LINUX_DYNAMIC_LINKER): Define.
6553 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6554 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6556 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6557 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6558 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6560 (TARGET_C99_FUNCTIONS): Don't define.
6561 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6562 GLIBC_DYNAMIC_LINKER.
6563 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6564 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6565 GLIBC_DYNAMIC_LINKER64): Define.
6566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6567 LINUX_DYNAMIC_LINKER64.
6568 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6570 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6572 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6574 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6575 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6576 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6578 and LINUX_DYNAMIC_LINKER32.
6579 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6581 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6583 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6585 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6586 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6587 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6588 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6589 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6590 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6591 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6592 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6593 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6594 LINUX_DYNAMIC_LINKER): Define.
6595 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6596 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6597 GLIBC_DYNAMIC_LINKER64): Define.
6598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6599 LINUX_DYNAMIC_LINKER64.
6600 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6601 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6602 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6603 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6604 LINUX_DYNAMIC_LINKER): Define.
6605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6606 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6607 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6608 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6609 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6610 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6611 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6612 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6613 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6614 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6616 * doc/invoke.texi (-muclibc): Remove caveat about supported
6619 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6621 * doc/cpp.texi (__TIMESTAMP__): Document.
6623 2006-02-17 Roger Sayle <roger@eyesopen.com>
6626 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6627 C is one less than the width of X (and related transformations).
6628 * simplify-rtx.c (simplify_unary_operation_1): Transform
6629 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6630 depending on STORE_FLAG_VALUE, were C is one less then the
6633 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6635 Fix PR tree-optimization/26341
6636 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6637 about NAME_MEMORY_TAG's.
6639 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6642 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6643 with hardware float support, and software float support. Add fcpy
6644 alternative to hardware patterns. Add alternatives to copy between
6645 general and floating-point registers to the 32-bit pattern.
6646 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6647 secondary reload to load a QI or HI mode constant into a floating
6649 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6650 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6652 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6655 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6657 (load_macho_picbase_di): Likewise.
6659 2006-02-16 Jeff Law <law@redhat.com>
6661 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6662 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6663 (ssa_name_nonzero_p): Likewise.
6664 (get_value_range): Return NULL if VRP is not running.
6665 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6666 VRP routines do not discover a range.
6667 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6668 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6669 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6670 (tree_expr_nonnegative_p): Similarly.
6671 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6672 (restore_nonzero_vars_to_original_value): Remove.
6673 (unsafe_associative_fp_binop): Remove.
6674 (tree_ssa_dominator_optimize): Remove initialization and
6675 finalization of nonzero_vars and nonzero_vars_stack.
6676 (dom_opt_initialize_block): No longer push marker on
6678 (dom_opt_finalize_block): No longer call
6679 restore_nonzero_vars_to_original_value.
6680 (record_equivalences_from_phis): No longer look for
6681 nonzero PHI arguments.
6682 (cprop_into_successor_phis): No longer propagate nonzero
6683 property into PHI arguments. Lose unused argument. Caller
6685 (record_equivalences_from_stmt): No longer record nonzero
6686 values for SSA_NAMEs.
6687 (lookup_avail_expr): No longer use nonzero_vars.
6689 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6690 for sizetype when sizetype is unsigned.
6692 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6694 PR rtl-optimization/25603
6695 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6696 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6697 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6698 with new meaning of SETS.
6700 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6705 * config/linux.opt: New file.
6706 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6707 LINUX_DYNAMIC_LINKER): Define.
6708 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6709 * config.gcc (*-*-linux*): Define extra_options.
6710 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6711 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6712 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6713 GLIBC_DYNAMIC_LINKER.
6714 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6715 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6716 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6717 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6718 * doc/invoke.texi (GNU/Linux Options): New section.
6720 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6722 * config/sparc/sparc.md (setjmp): Rewrite.
6723 (setjmp_32): Delete.
6724 (setjmp_64): Likewise.
6726 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6728 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6731 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6733 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6736 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6738 PR rtl-optimization/26296
6739 * Makefile.in (loop-invariant.c): Add except.h dependency.
6740 * loop-invariant.c: Include except.h.
6741 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6743 2005-02-16 Paul Brook <paul@codesourcery.com>
6745 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6748 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6750 PR rtl-optimization/25636
6751 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6752 when deciding whether an insn is an initializing insn.
6754 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6756 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6757 (tree_code_size): Ditto.
6758 * tree.h (struct tree_memory_tag): Remove parent_var.
6759 (struct tree_struct_field_tag): New.
6762 (union tree_node): Add sft member.
6763 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6765 (create_sft): Add size and offset argument, set SFT_OFFSET and
6767 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6768 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6769 * tree-flow-inline.h (get_subvar_at): Update for
6770 SFT_OFFSET/SFT_SIZE.
6771 (var_can_have_subvars): Ditto.
6772 (overlap_subvar): Ditto.
6773 * print-tree.c (print_node): Print out interesting things for
6775 * tree-flow.h (struct subvar): Remove offset and size members.
6776 * tree-ssa-operands.c (get_expr_operands): Update for
6777 get_indirect_ref_operands changes.
6778 (get_indirect_ref_operands): Call add_virtual_operand instead of
6779 add_stmt_operand. Only recurse on base var if requested.
6780 (access_can_touch_variable): New function.
6781 (add_stmt_operand): Split virtual operand handling into ...
6782 (add_virtual_operand): Here. Add offset, size, and for_clobber
6783 arguments. Prune alias sets.
6784 (add_call_clobber_ops): Call add_virtual_operand.
6786 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6789 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6791 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6792 than TREE_CODE as index into omp_clause_num_ops array.
6794 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6796 PR rtl-optimization/26184
6797 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6799 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6800 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6801 must_precede, must_follow and tobe_scheduled.
6804 * opts.c (common_handle_option): Free new_option pointer.
6805 * df-core.c (df_analyze): Free postorder pointer.
6807 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6809 * Makefile.in: Fix the examples about the use of stamps
6811 2006-02-15 Michael Matz <matz@suse.de>
6815 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6816 influenced by maximum_field_alignment or DECL_PACKED.
6817 (update_alignment_for_field): Ditto.
6818 (place_field): Ditto.
6819 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6822 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6824 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6825 (debug_flow_info): Pass it.
6826 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6827 * bb-reorder.c (reorder_basic_blocks): Likewise.
6828 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6829 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6830 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6831 * gcse.c (gcse_main, bypass_jumps): Likewise.
6832 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6833 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6834 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6835 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6836 * rtl.h (dump_flow_info): Adjust prototype.
6837 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6838 * var-tracking.c (variable_tracking_main): Likewise.
6839 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6840 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6843 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6845 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6848 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6850 PR tree-optimization/26209
6851 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6852 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6854 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6856 2006-02-14 Roger Sayle <roger@eyesopen.com>
6859 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6860 (X,Y) and the corresponding symmetry related transformations.
6861 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6862 (X,Y) and its symmetry related transformations.
6864 2006-02-14 Roger Sayle <roger@eyesopen.com>
6866 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6869 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6871 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6873 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6876 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6877 support COMDAT group.
6878 * configure: Regenerate.
6880 2006-02-14 Roger Sayle <roger@eyesopen.com>
6885 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6887 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6889 Fix PR tree-optimization/26260
6891 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6893 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6894 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6895 * tree-ssa-structalias.c (create_variable_info_for): Use
6896 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6898 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6900 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6902 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6903 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6904 of the ending condition.
6905 * tree-ssa-loop-manip.c: Include params.h.
6906 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6907 tree_unroll_loop): New functions.
6908 * tree-pass.h (pass_loop_prefetch): Declare.
6909 * loop.c (rest_of_handle_loop_optimize): Test for
6910 -fprefetch-loop-arrays-rtl.
6911 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6912 * timevar.def (TV_TREE_PREFETCH): New timevar.
6913 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6914 pass_loop_prefetch): New.
6915 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6916 (cleanup_tree_cfg_loop): Call scev_reset.
6917 * common.opt (fprefetch-loop-arrays-rtl): Add.
6918 * tree-ssa-loop-prefetch.c: New file.
6919 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6920 (new_temp_expr_table): Initialize expr_vars.
6921 (free_temp_expr_table): Cleanup expr_vars.
6922 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6923 expressions from being merged into one.
6924 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6925 (struct tree_niter_desc): Add control, bound and cmp fields.
6926 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6928 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6929 (tree-cfgcleanup.o): Add SCEV_H dependency.
6930 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6931 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6933 2006-02-14 Richard Guenther <rguenther@suse.de>
6935 PR tree-optimization/26258
6936 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6937 in PHI argument processing.
6939 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6941 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6942 new expression in the requested machine mode.
6944 2006-02-13 Roger Sayle <roger@eyesopen.com>
6946 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6947 directly, instead let do_compare_rtx_and_jump handle this for us.
6948 * expr.c (expand_expr_real_1): Likewise.
6949 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6950 before do_jump_by_parts_greater.
6951 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6952 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6954 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6956 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6958 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6960 PR rtl-optimization/26235
6961 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6962 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6965 2006-02-13 Jeff Law <law@redhat.com>
6967 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6970 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6973 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6974 twice if decl is a builtin. When trying again, call get_callee_fndecl
6975 first to verify it is still a builtin.
6977 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6979 * dwarf2out.c (base_type_die): Don't add AT_name here.
6980 (subrange_type_die): Don't add AT_name here.
6981 (modified_type_die): Rearrange code flow. Do add AT_name here.
6983 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6985 PR rtl-optimization/26247
6986 PR rtl-optimization/26248
6987 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6989 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6991 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6992 * config/fixtfdi.c: Likewise.
6993 * config/fixunstfdi.c: Likewise.
6994 * config/floatditf.c: Likewise.
6996 2006-02-13 Roger Sayle <roger@eyesopen.com>
6999 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7000 into (X,C2) if C1 is a subset of the bits of C2. Transform
7001 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7003 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7005 2006-02-13 Josh Conner <jconner@apple.com>
7008 * varasm.c (function_section): Check for section name before
7009 calling select_section on targets that define
7010 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7011 unlikely_text_section instead of hot_function_section if
7012 first_function_block_is_cold.
7014 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7017 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7019 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7021 PR rtl-optimization/26222
7022 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7023 after tree->rtl expansion.
7024 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7025 before passing it to emit_move_insn.
7027 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7029 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7031 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7032 Clarify documentation.
7033 * c-common.h (warn_write_strings): Remove.
7034 * c-common.c (warn_write_strings): Likewise.
7035 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7038 2006-02-12 Roger Sayle <roger@eyesopen.com>
7041 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7042 (do_jump_parts_zero_rtx): New function renamed from
7043 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7044 (do_jump_parts_equality_rtx): New function split out from
7045 do_jump_parts_equality. Old implementation renamed as above.
7046 Call do_jump_parts_zero_rtx if either operand is zero.
7047 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7048 do all of the heavy lifting.
7049 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7050 calling either do_jump_by_parts_greater_rtx or
7051 do_jump_by_parts_equality_rtx.
7052 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7053 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7054 moved to do_compare_rtx_and_jump, call it directly.
7055 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7056 mode argument. Call do_compare_rtx_and_jump.
7057 (emit_case_nodes): Update calls to do_jump_if_equal.
7059 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7061 PR rtl-optimization/26225
7062 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7064 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7066 PR rtl-optimization/26232
7067 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7069 2006-02-11 Jason Merrill <jason@redhat.com>
7072 * tree-inline.c (declare_return_variable): Just don't use the
7073 modify target if it's a gimple complex reg and the return slot
7076 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7078 * doc/contrib.texi: Update my entry.
7080 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7082 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7084 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7086 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7089 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7091 * doc/invoke.texi (-floop-optimize2): Removed.
7092 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7093 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7094 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7095 * common.opt (floop-optimize2): Removed.
7096 (fmove-loop-invariants): Enabled by default.
7098 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7100 * tree-if-conv.c (combine_blocks): Free the result of
7101 get_loop_exit_edges.
7103 2006-02-10 Jeff Law <law@redhat.com>
7105 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7107 PR tree-optimization/26213
7108 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7109 loop trying to follow SSA_NAME_VALUE chains.
7111 2006-02-10 Richard Guenther <rguenther@suse.de>
7113 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7114 deal with structures that end in implicitly variable sized arrays.
7116 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7118 PR rtl-optimization/24762
7119 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7122 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7124 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7125 (struct ivopts_data): Add regs_used field.
7126 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7127 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7128 instead of loop_data->regs_used;
7129 (free_loop_data): Do not free aux fields for loops.
7130 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7131 and tree_ssa_iv_optimize_finalize.
7133 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7135 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7137 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7140 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7141 computing the effective result type.
7143 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7146 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7147 (tree_overlaps_hard_reg_set): Declare.
7148 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7149 type and signature to match function type expected by walk_tree.
7150 (tree_overlaps_hard_reg_set): New function.
7151 (decl_conflicts_with_clobbers_p): Rename to:
7152 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7153 Use tree_overlaps_hard_reg_set. Changed caller.
7154 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7155 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7156 * cris.c (cris_md_asm_clobbers): Likewise.
7158 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7160 * reload1.c (emit_input_reload_insns): Delete code that tries to
7161 inherit using find_equiv_reg.
7163 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7165 * c-common.h (flag_const_strings): Don't declare.
7166 * c-common.c (flag_const_strings): Remove.
7167 * c.opt (fconst_strings): Remove.
7168 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7169 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7170 (c_common_init_options): Don't set flag_const_strings.
7171 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7173 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7175 * arm.md (tlobits_cbranch): New pattern.
7176 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7177 testing a single bit.
7179 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7182 * tree-ssa-pre.c (create_component_ref_by_pieces):
7183 Handle RETURN_DECL like VAR_DECL.
7185 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7188 * fold-const.c (fold_indirect_ref_1): Fold
7189 "*(foo *)&complexfoo" to "__real__ complexfoo"
7190 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7192 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7194 * tree-flow-inline.h (var_can_have_subvars):
7195 Volatile variables should not have subvariables.
7197 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7200 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7201 multiplying unsigned values.
7204 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7206 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7208 2006-02-08 Jason Merrill <jason@redhat.com>
7211 * tree.def: Elaborate on difference from MODIFY_EXPR.
7212 * doc/c-tree.texi (INIT_EXPR): Likewise.
7213 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7214 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7215 (gimplify_target_expr): Likewise.
7216 (gimplify_cond_expr): Remove target handling.
7217 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7218 (gimplify_expr): Clobber it here.
7219 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7220 Do return slot optimization if we have an INIT_EXPR.
7223 * tree-inline.c (declare_return_variable): Also clear
7224 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7227 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7230 * gimplify.c (gimplify_one_sizepos): Fix typo.
7232 2006-02-08 Jeff Law <law@redhat.com>
7234 PR tree-optimization/21417
7235 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7236 across a backedge if the control statement at the end of the
7237 block is data dependent on other statements in the same block.
7238 (record_temporary_equivalences_from_stmts): Remove over-conservative
7239 test for threading across backedges.
7241 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7242 control statement, handle all three special cases in the same
7243 manner as they all have the same desired solution. No longer
7244 special case edge flag updating when the post dominator is
7247 2006-02-08 Roger Sayle <roger@eyesopen.com>
7249 * tree.def (CHAR_TYPE): Remove.
7250 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7251 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7252 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7253 (gen_string_type_die): Delete unreachable function.
7255 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7256 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7257 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7258 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7259 * builtins.c (type_to_class): Likewise.
7260 * fold-const.c (fold_convert, build_range_check,
7261 merge_ranges): Likewise.
7262 * expr.c (count_type_elements): Likewise.
7263 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7264 * stor-layout.c (layout_type): Likewise.
7265 * ipa-type-escape.c (type_to_consider): Likewise.
7266 * gimplify.c (omp_firstprivatize_type_sizes,
7267 gimplify_type_sizes): Likewise.
7268 * explow.c (promote_mode): Likewise.
7269 * tree-sra.c (is_sra_scalar_type): Likewise.
7270 * varasm.c (output_constant): Likewise.
7271 * tree-inline.c (remap_type_1): Likewise.
7272 * convert.c (convert_to_pointer, convert_to_real,
7273 convert_to_integer, convert_to_complex): Likewise.
7275 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7277 * df-scan.c (df_def_record_1): A set destination may
7278 be a parallel regardless of mode.
7280 2006-02-08 Roger Sayle <roger@eyesopen.com>
7283 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7284 * config/mips/_tilib.c: Remove.
7285 * config/fixtfdi.c: New libgcc source file.
7286 * config/fixunstfdi.c: New source file.
7287 * config/floatditf.c: New source file.
7288 * config/floatunditf.c: New souce file.
7289 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7290 files above instead of config/mips/_tilib.c.
7291 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7293 2006-02-08 Jeff Law <law@redhat.com>
7295 PR tree-optimization/26169
7296 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7299 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7301 * df.h (DF_REG_SIZE): Return the length of the initialized
7304 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7306 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7307 __muldf3): Return a correctly signed zero.
7309 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7311 * passes.c (register_one_dump_file): Accept the current properties
7312 instead of pass number. Adjust call to dump_register. Remove
7314 (register_dump_files): Now a wrapper around...
7315 (register_dump_files_1): ... this one. Do not modify the pass
7317 (next_pass_1): Cosmetic fix.
7318 (execute_todo): Keep second parameter only. Use curr_properties
7319 instead of fetching it from the pass structure. Check and set
7321 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7322 instead of fetching it from the pass structure. Fix calls to
7323 execute_todo. Update curr_properties and initialize .vcg RTL dump
7324 after running the pass. Reset last_verified.
7325 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7327 (FIRST_AUTO_NUMBERED_DUMP): New.
7328 (dump_register): Remove "num" parameter, assign it within the
7330 (get_dump_file_name): Modify template for dumps.
7331 * tree-dump.h (dump_register): Adjust prototype.
7332 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7333 (PROP_trees): Add PROP_gimple_lomp.
7334 (TODO_set_props): New.
7335 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7336 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7337 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7339 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7341 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7342 (sparc64-*-linux*): Likewise.
7343 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7344 * config/sparc/t-linux: New file.
7345 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7346 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7347 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7348 -m32 -mlong-double-128.
7350 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7351 * config/alpha/t-linux: New file.
7352 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7354 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7355 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7356 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7357 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7358 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7359 (CPP_ARCH32_SPEC): Remove.
7361 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7363 PR tree-optimization/26145
7364 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7367 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7370 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7371 >= 240000 when generating code for SOM runtime.
7372 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7373 to $$dyncall when generating code for SOM runtime..
7375 2006-02-07 Dirk Mueller <dmueller@suse.com>
7378 * doc/invoke.texi (-Wsequence-point): Update documentation
7379 that -Wsequence-point is implemented for C++ as well.
7381 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7383 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7384 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7385 (LIB_SPEC): Likewise.
7386 * doc/invoke.texi (SPARC options): Document -pthread.
7388 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7390 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7393 2006-02-07 Roger Sayle <roger@eyesopen.com>
7395 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7396 Correct comment describing BOOLEAN_TYPE.
7398 2006-02-07 Dirk Mueller <dmueller@suse.com>
7400 * c.opt: C++ frontend supports -Wdiv-by-zero.
7401 * c-opts.c (c_common_handle_option): Remove dead case.
7403 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7405 * configure.ac (TLS assembler check): Do not enable TLS by
7406 default on SPARC/Solaris before version 10.
7407 * configure: Regenerate.
7409 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7411 * doc/invoke.texi (xl-compat): Document conversion and support
7414 2006-02-07 Jeff Law <law@redhat.com>
7416 * tree-vrp.c (find_conditional_asserts): Update comments.
7417 (simplify_stmt_for_jump_threading): New.
7418 (identify_jump_threads, finalize_jump_threads): New.
7419 (vrp_finalize): Call identify_jump_threads.
7420 (execute_vrp): Call finalize_jump_threads.
7421 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7422 (vrp_element, vrp_data, vrp_element_p): Remove.
7423 (vrp_hash_elt, vrp_variables_stack): Remove.
7424 (vrp_hash, vrp_eq, record_range): Remove.
7425 (simplify_cond_and_lookup_avail_expr): Remove.
7426 (extract_range_from_cond): Remove.
7427 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7428 (simplify_stmt_for_jump_threading): New.
7429 (dom_thread_across_edge): New wrapper.
7430 (tree_ssa_dominator_optimize): No longer initialize or
7431 finalize any of the VRP datastructures. Remove iteration
7432 step and simplify as a result of removal of iteration step.
7433 (pass_dominator): Perform a cfg cleanup after DOM.
7434 (dom_opt_finalize_block): Use the new common routines
7435 for threading jumps. Simplify stack management slightly.
7436 No longer need to unwind VRP state.
7437 (record_equivalences_from_incoming_edge): No longer record
7439 (eliminate_redundant_computations): No longer call
7440 simplify_cond_and_lookup_avail_expr.
7441 * tree-flow.h (potentially_threadable_block): Prototype.
7442 (thread_across_edge): Likewise.
7443 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7444 (tree-ssa-threadedge.o): Add dependencies.
7445 * tree-ssa-threadedge.c: New file.
7446 * passes.c (init_optimization_passes): Merge PHIs before
7447 calling VRP. Run VRP again late in the SSA optimization pipeline.
7449 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7451 * df-core.c (df_set_blocks): Do not dereference function pointers.
7452 (df_finish1): Likewise.
7453 (df_hybrid_search_forward): Likewise.
7454 (df_hybrid_search_backward): Likewise.
7455 (df_iterative_dataflow): Likewise.
7456 (df_analyze_problem): Likewise.
7457 (df_compact_blocks): Likewise.
7458 (df_dump): Likewise.
7459 * df-scan.c (df_rescan_blocks): Likewise.
7460 (df_record_entry_block_defs): Likewise.
7462 * genconditions.c (write_conditions): Guard the definition of
7463 'insn_conditions' with the check on GCC version.
7464 (write_writer): Guard the traversal 'insn_conditions' with
7465 the check on GCC version.
7467 2006-02-07 Richard Guenther <rguenther@suse.de>
7471 2006-01-30 Richard Guenther <rguenther@suse.de>
7473 * gimplify.c (gimplify_target_expr): Handle easy cases
7474 without creating a temporary.
7476 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7478 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7479 use of float in probability computations. Use edge probabilities
7480 in place of statically computed probabilities.
7481 (min_spec_prob): New static variable.
7482 (schedule_insns): Initialize it.
7483 (GET_SRC_PROB): Removed.
7484 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7486 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7489 * config/ia64/unwind-ia64.c: Revert last change.
7490 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7491 (INCOMING_FRAME_SP_OFFSET): Define.
7493 2006-02-06 Roger Sayle <roger@eyesopen.com>
7495 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7497 2006-02-07 Ben Elliston <bje@au.ibm.com>
7499 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7500 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7501 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7502 (ix86_return_in_memory): Handle TDmode.
7503 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7504 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7506 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7508 * reorg.c (dbr_schedule): Use dump_file instead of file.
7510 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7513 * config/ia64/predicates.md (extr_len_operand): New predicate.
7514 * config/ia64/ia64.md (extv): Tighten constraints.
7516 (*tbit_and_2): Ditto.
7517 (*tbit_and_3): Ditto.
7518 (*tbit_or_2): Ditto.
7519 (*tbit_or_3): Ditto.
7523 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7526 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7528 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7530 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7531 loop_optimizer_init and loop_optimizer_finalize
7532 * tree-ssa-sink.c (execute_sink_code): Ditto.
7533 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7534 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7535 tree_ssa_loop_done): Ditto.
7536 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7537 * sched-ebb.c: Include output.h.
7538 (schedule_ebbs): Do not use dump argument.
7539 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7540 * loop.c (loop_dump_stream): Removed.
7541 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7543 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7544 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7545 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7546 loop_iterations, strength_reduce, record_biv, record_giv,
7547 final_giv_value, check_final_value, check_ext_dependent_givs,
7548 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7549 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7550 dump_file instead of loop_dump_stream.
7551 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7553 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7555 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7556 * haifa-sched.c: Include output.h
7557 (schedule_insns, sched_init): Do not use dump argument.
7558 * mode-switching.c (optimize_mode_switching): Ditto.
7559 * modulo-sched.c (stats_file): Removed.
7560 (print_node_sched_params): Do not call argument dump_file.
7561 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7562 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7564 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7566 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7567 rtl_loop_init, rtl_loop_done): Ditto.
7568 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7569 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7571 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7572 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7573 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7574 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7575 * emit-rtl.c (renumber_insns): Ditto.
7576 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7577 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7578 * regclass.c (regclass): Ditto.
7579 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7580 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7581 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7582 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7584 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7585 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7587 * gcse.c (gcse_file, debug_stderr): Removed.
7588 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7589 rest_of_handle_gcse): Do not use dump argument.
7590 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7591 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7592 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7593 compute_code_hoist_vbeinout, compute_code_hoist_data,
7594 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7595 compute_store_table, build_store_vectors, insert_insn_start_bb,
7596 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7597 store_motion): Use dump_file instead of gcse_file.
7598 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7599 * profile.c (profile_dump_file): Removed.
7600 (branch_prob): Use dump_file instead of profile_dump_file.
7601 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7603 * tree-ssa-copy.c (dump_copy_of): Ditto.
7604 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7605 dump file to life_analysis.
7606 * bt-load.c (branch_target_load_optimize): Ditto.
7607 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7609 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7610 regclass, dbr_schedule): Declaration changed.
7611 * sched-int.h (sched_init): Declaration changed.
7612 * tree-profile.c (tree_profile_dump_file): Removed.
7613 (tree_profile_hooks): Removed profile_dump_file hook.
7614 * rtl-profile (rtl_profile_dump_file): Removed.
7615 (rtl_profile_hooks): emoved profile_dump_file hook.
7616 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7618 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7619 * tree-cfg.c (build_tree_cfg): Ditto.
7620 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7621 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7622 Declaration changed.
7623 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7624 life_analysis and schedule_insns.
7625 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7627 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7629 * config/mips/mips.c (mips_reorg): Ditto.
7630 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7633 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7635 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7636 (s390_mangle_fundamental_type): New.
7637 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7640 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7641 (alpha_mangle_fundamental_type): New.
7642 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7645 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7647 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7649 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7650 (sparc_mangle_fundamental_type): New.
7652 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7654 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7655 (s390x-*-linux*): Likewise.
7656 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7657 * config/s390/t-linux: New file.
7659 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7661 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7662 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7664 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7666 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7667 (ANTIC_SAFE_LOADS): New macro.
7668 (find_or_generate_expression): Add prototype.
7669 (set_contains_value): Allow null set for sake of not always having
7670 to allocate ANTIC_SAFE_LOADS.
7671 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7672 Allow COMPONENT_REF too.
7673 (valid_in_set): Allow COMPONENT_REF.
7674 Check ANTIC_SAFE_LOADS too.
7675 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7676 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7678 (can_PRE_operation): Add COMPONENT_REF.
7679 (create_component_ref_by_pieces): New function.
7680 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7681 (insert_aux): Move AGGREGATE_TYPE_P check here.
7682 (compute_avail): Set bb local stmt uids.
7683 (pass_pre): Use TODO_update_ssa_only_virtuals.
7685 2006-02-06 Ben Elliston <bje@au.ibm.com>
7687 * configure.ac: Unconditionally disable decimal float by default.
7688 * configure: Regenerate.
7690 2006-02-06 Ben Elliston <bje@au.ibm.com>
7692 * read-rtl.c (read_name): Terminate reading on EOF.
7694 2006-02-06 Ben Elliston <bje@au.ibm.com>
7696 * dfp.c (decimal_real_arithmetic): Change second argument type
7697 from int to enum tree_code. Do not always return true, but now
7698 return result of any call to decimal_do helper functions.
7699 * dfp.h (decimal_real_arithmetic): Update prototype.
7701 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7703 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7705 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7708 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7711 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7713 * tree-vrp.c (cfg_loops): Removed.
7714 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7715 Use current_loops instead of cfg_loops. Pass flags to
7716 loop_optimizer_init.
7717 * cfgloopmanip.c (fix_loop_structure): Update only available
7719 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7720 loop_optimizer_init.
7721 * modulo-sched.c (build_loops_structure): Removed.
7722 (sms_schedule): Use loop_optimizer_init.
7723 * loop-init.c (loop_optimizer_init): Use flags to determine
7724 which properties of loops to prepare.
7725 (rtl_loop_init): Pass flags to loop_optimizer_init.
7726 * tree-ssa-sink.c (execute_sink_code): Ditto.
7727 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7728 * tree-ssa-pre.c (init_pre): Ditto.
7729 * cfgloop.h (LOOPS_NORMAL): New.
7730 (loop_optimizer_init): Declaration changed.
7732 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7734 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7735 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7737 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7739 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7741 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7742 * pa/t-pa64: Delete quadlib.c rule.
7743 * pa/x-ada: Revert last change.
7744 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7746 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7748 PR rtl-optimization/26087
7749 * rtlanal.c (canonicalize_condition): Do not cross basic block
7752 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7755 * config/ia64/ia64.c: Include debug.h.
7756 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7757 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7758 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7759 (process_epilogue, process_set, process_for_unwind_directive):
7760 Output unwind info only if requested. Add CFA info if requested.
7761 Add new arguments as needed. Adjust callers.
7762 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7764 (DWARF2_FRAME_INFO): Define to zero.
7765 * config/ia64/unwind-ia64.c: Remove code that compensated for
7766 the CFA offset error fixed above.
7767 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7768 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7769 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7770 -funwind-tables and -fexceptions to enable frame info.
7771 (dwarf2out_frame_init): Define initial CFA even if
7772 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7773 DWARF2_UNWIND_INFO is nonzero, not just defined.
7774 (dwarf2out_frame_finish): Output non-EH call frame info only
7775 if DWARF2_FRAME_INFO is nonzero.
7776 (convert_cfa_to_loc_list,
7777 compute_frame_pointer_to_cfa_displacement): Define even if
7778 unwind info is not supported.
7779 (gen_subprogram_die): Use the above unconditionally. Remove
7780 legacy alternate code.
7781 * toplev.c (compile_file): Compile in call to
7782 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7783 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7785 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7786 Jakub Jelinek <jakub@redhat.com>
7788 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7789 IBM extended float format long double as "g" on powerpc*-linux.
7791 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7794 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7795 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7797 2006-02-03 Jason Merrill <jason@redhat.com>
7800 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7803 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7804 on the return slot if it's an NRV.
7806 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7808 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7809 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7810 rewrite_use): Do not handle USE_OUTER.
7811 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7812 add_iv_outer_candidates, may_replace_final_value,
7813 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7814 (find_interesting_uses_op): Functionality of
7815 find_interesting_uses_outer_or_nonlin moved here.
7816 (find_interesting_uses_outside): Use find_interesting_uses_op.
7818 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7821 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7823 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7824 Ulrich Weigand <uweigand@de.ibm.com>
7827 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7828 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7829 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7830 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7832 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7833 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7834 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7835 Define secondary reloads for TFmode moves.
7836 (constant_modes): Add TFmode.
7837 (NR_C_MODES): Set to 8.
7838 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7840 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7841 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7842 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7843 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7844 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7845 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7846 (FPR mode macro): Add TFmode.
7847 (DSF mode macro): New.
7848 (<de>, <dee> mode attributes): Removed.
7849 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7850 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7851 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7852 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7853 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7854 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7855 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7856 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7857 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7858 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7859 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7860 "*negabs<mode>2", "sqrt<mode>2"):
7861 Changed <de> to <xde>. R constraint replaced by <Rf>.
7862 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7864 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7865 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7866 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7868 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7869 "extenddftf2", "extendsftf2"): New expanders.
7870 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7871 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7872 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7873 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7875 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7876 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7877 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7878 __floatditf): Add a GCC_4.1.0 symbol version tag.
7879 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7882 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7885 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7886 Use targetm.binds_local_p instead of TREE_PUBLIC.
7888 2006-02-02 Roger Sayle <roger@eyesopen.com>
7890 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7891 on INTEGER_TYPEs to indicate that it denotes a character type.
7892 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7893 signed_char_type_node, unsigned_char_type_node and char_type_node.
7894 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7895 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7896 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7898 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7899 Daniel Berlin <dberlin@dberlin.org>
7901 * tree-tailcall.c (arg_needs_copy_p): New function.
7902 (eliminate_tail_call): Use arg_needs_copy_p.
7903 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7904 (add_virtual_phis): New function.
7906 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7908 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7909 #ignore instead of #scratch for %g7 .register directive.
7911 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7913 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7916 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7918 * flow.c (calculate_global_regs_live): Assert that there aren't any
7921 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7923 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7925 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7926 bsi_after_labels iterator.
7927 * tree-if-conv.c (find_phi_replacement_condition,
7928 replace_phi_with_cond_modify_expr): Likewise.
7929 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7930 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7932 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7934 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7936 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7939 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7940 array after growing it.
7942 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7945 * fold-const.c (fold_checksum_tree): Change type of buf.
7947 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7949 * reload.c (push_secondary_reload): Initialize t_icode.
7951 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7953 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7954 -msoft-float -mlong-double-128 only issue a warning, but don't
7955 swich to DFmode long double.
7957 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7959 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7960 has a constant equivalent, iterate over equivalents for arg0,
7961 calling simplify_relational_operation and if there's a result
7962 cheaper than X, apply fold_rtx and return the result.
7964 2006-02-01 Jan Hubicka <jh@suse.cz>
7966 * opts.c (no_unit_at_a_time_default): New global variable.
7967 (decode_options): Use it.
7968 * opts.h (no_unit_at_a_time_default): Declare.
7970 2006-02-01 Paul Brook <paul@codesourcery.com>
7972 * function.c (assign_parm_setup_reg): Use function argument promotion
7974 * expr.c (expand_expr_real_1): Use function argument promotion rules
7977 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7979 * gcc.c (process_command): Change j to 'unsigned int'.
7981 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7984 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7985 Use the corrected index for the character
7986 out of the string constant.
7988 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7990 * mode-switching.c (optimize_mode_switching): Fix size
7991 allocated for bb_info[n_entities].
7993 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7995 * gcc.c (main): Correct type that is allocated for
7996 explicit_link_files.
7998 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8000 * config/s390/s390.c (init_alignment_context): Set
8001 ALIAS_SET_MEMORY_BARRIER on the MEM.
8002 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8004 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8007 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8009 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8012 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8014 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8015 * regrename.c: Ditto.
8016 * tree-ssa-loop-im.c: Ditto.
8017 * tree-dump.c: Ditto.
8018 * tree-complex.c: Ditto.
8019 * genrecog.c: Ditto.
8020 * tree-ssa-threadupdate.c: Ditto.
8022 * java/class.c: Ditto.
8023 * java/jcf-parse.c: Ditto.
8024 * java/resource.c: Ditto.
8025 * java/except.c: Ditto.
8026 * java/jvspec.c: Ditto.
8027 * java/jcf-write.c: Ditto.
8028 * java/jcf-path.c: Ditto.
8029 * java/gjavah.c: Ditto.
8030 * java/zextract.c: Ditto.
8031 * java/jcf-io.c: Ditto.
8032 * java/jcf.h: Ditto.
8033 * java/buffer.c: Ditto.
8034 * java/lang.c: Ditto.
8035 * java/parse-scan.y: Ditto.
8036 * java/lex.c: Ditto.
8037 * java/lex.h: Ditto.
8038 * cfgloopmanip.c: Ditto.
8039 * postreload-gcse.c: Ditto.
8040 * tree-ssa-loop-manip.c: Ditto.
8041 * postreload.c: Ditto.
8042 * tree-ssa-loop-ch.c: Ditto.
8046 * diagnostic.c: Ditto.
8048 * genoutput.c: Ditto.
8050 * cfghooks.c: Ditto.
8051 * cfgloopanal.c: Ditto.
8052 * objc/objc-act.c: Ditto.
8054 * genextract.c: Ditto.
8055 * genautomata.c: Ditto.
8056 * pretty-print.c: Ditto.
8058 * cgraphunit.c: Ditto.
8061 * haifa-sched.c: Ditto.
8062 * dominance.c: Ditto.
8064 * tree-ssa-loop-ivopts.c: Ditto.
8066 * mode-switching.c: Ditto.
8067 * modulo-sched.c: Ditto.
8069 * ipa-pure-const.c: Ditto.
8071 * fix-header.c: Ditto.
8073 * tree-stdarg.c: Ditto.
8074 * ipa-utils.c: Ditto.
8075 * loop-init.c: Ditto.
8076 * ipa-inline.c: Ditto.
8079 * alloc-pool.c: Ditto.
8080 * dwarf2out.c: Ditto.
8082 * genattrtab.c: Ditto.
8083 * tree-ssa-loop-ivcanon.c: Ditto.
8087 * fortran/gfortranspec.c: Ditto.
8089 * local-alloc.c: Ditto.
8090 * langhooks.c: Ditto.
8091 * function.c: Ditto.
8092 * tree-vectorizer.c: Ditto.
8094 * ipa-type-escape.c: Ditto.
8096 * tree-if-conv.c: Ditto.
8099 * tree-data-ref.c: Ditto.
8100 * loop-unroll.c: Ditto.
8101 * treelang/treetree.c: Ditto.
8104 * ggc-common.c: Ditto.
8106 * coverage.c: Ditto.
8108 * tree-cfgcleanup.c: Ditto.
8109 * tree-ssa-pre.c: Ditto.
8110 * cfgcleanup.c: Ditto.
8111 * loop-invariant.c: Ditto.
8113 * ipa-prop.c: Ditto.
8114 * print-tree.c: Ditto.
8115 * conflict.c: Ditto.
8116 * ggc-page.c: Ditto.
8117 * sched-deps.c: Ditto.
8118 * regclass.c: Ditto.
8119 * tree-object-size.c: Ditto.
8121 * bb-reorder.c: Ditto.
8122 * resource.c: Ditto.
8123 * var-tracking.c: Ditto.
8125 * df-problems.c: Ditto.
8126 * reg-stack.c: Ditto.
8129 * sched-rgn.c: Ditto.
8130 * tree-ssa-structalias.c: Ditto.
8131 * tree-ssa-reassoc.c: Ditto.
8132 * config/darwin-c.c: Ditto.
8133 * config/darwin.c: Ditto.
8134 * config/arm/arm.c: Ditto.
8136 * collect2.c: Ditto.
8139 2006-01-31 Nicolas Pitre <nico@cam.org>
8141 * arm.md (smaxsi3): Make aware of smax_m1.
8144 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8146 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8148 2006-01-31 Richard Guenther <rguenther@suse.de>
8150 * doc/invoke.texi (-msselibm): Document.
8151 * target.h (expand_library_builtin): New target hook.
8152 * builtins.c (expand_builtin): Use expand_library_builtin.
8153 (default_expand_library_builtin): New function.
8154 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8155 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8156 (link_gcc_math_spec): Declare.
8157 (static_specs): Add link_gcc_math_spec.
8158 * expr.h (default_expand_library_builtin): Declare.
8159 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8160 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8161 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8162 * config/i386/i386.opt (msselibm): New target option.
8163 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8164 (ix86_init_sse_abi_builtins): New function.
8165 (ix86_expand_library_builtin): Likewise.
8166 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8167 (override_options): Handle error conditions wrt -msselibm.
8168 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8169 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8170 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8173 2006-01-31 Richard Guenther <rguenther@suse.de>
8174 Paolo Bonzini <bonzini@gnu.org>
8176 * doc/install.texi (--disable-libgcc-math): Document.
8178 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8180 * expr.h (expand_normal): new inline function.
8181 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8183 * dwarf2out.c: use it.
8188 * config/sparc/sparc.c: use it.
8189 * config/i386/i386.c: use it.
8190 * config/rs6000/rs6000.c: use it.
8191 * config/arm/arm.c: use it.
8192 * config/mips/mips.c: use it.
8193 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8195 2006-01-30 Roger Sayle <roger@eyesopen.com>
8197 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8198 argv to the appropriate type.
8200 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8202 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8205 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8208 * config/s390/s390.c (struct machine_function): New flag
8209 decomposed_literal_pool_addresses_ok_p.
8210 (s390_reorg): Set it before final stage of literal pool transforms.
8211 (s390_decompose_address): Only accept displacements of the form
8212 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8214 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8216 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8217 the comparison routine return.
8219 2006-01-30 Michael Matz <matz@suse.de>
8221 * global.c (find_reg): Only evict for global regs.
8222 Take n_refs into account and dump more info.
8224 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8227 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8228 (pragma_trap, pragma_nosave_low_regs): Likewise.
8229 (current_function_anonymous_args): Likewise.
8230 (sh_deferred_function_attributes): New variable.
8231 (sh_deferred_function_attributes_tail): Likewise.
8232 (print_operand): For '@', look up trap_exit attribute.
8233 (calc_live_regs): Look up trapa_handler attribute. For trapa
8234 handlers, save/restore fpscr, but don't do any other
8235 interrupt-specific saves.
8236 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8237 Fix check for partially saved registers to check for SHmedia.
8238 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8239 (sh_output_function_epilogue): Don't clear any of the removed
8241 (sh_insert_attributes): Don't check pragma_interrupt.
8242 Insert deferred attributes. Check that interrupt attribute is
8243 present for other attributes that require its presence.
8244 (sh_attribute_table): Add new attributes trapa_handler and
8246 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8247 Don't check for pragma_interrupt. Don't store argument.
8248 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8249 (sh_deferred_function_attributes): Declare.
8250 (sh_deferred_function_attributes_tail): Likewise.
8251 * sh.md (sp_switch_1): Add operand. Change generator caller.
8252 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8253 (*return_i): Don't use when trap_exit attribute is in effect.
8254 (*return_trapa): New insn pattern.
8256 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8257 setting c_target_objs and cxx_target_objs.
8258 * t-sh: Add rule for sh-c.o.
8260 2006-01-30 Richard Guenther <rguenther@suse.de>
8263 * gimplify.c (gimplify_target_expr): Handle easy cases
8264 without creating a temporary.
8266 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8268 * vec.h (safe_grow): Remove duplicated line.
8270 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8273 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8274 (expand_omp): ... here.
8275 (expand_omp_parallel): Only remove barriers for combined
8276 parallel+workshare constructs.
8278 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8282 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8283 * tree.c (build_qualified_type): Chain the new type to the original
8284 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8285 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8286 (build_pointer_type_for_mode): Only return unqualified types.
8287 (build_reference_type_for_mode): Likewise.
8289 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8291 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8292 * Makefile.in (CXX_COMPAT_WARN): Define.
8293 * configure: Regenerate.
8295 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8298 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8301 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8303 * toplev.c: Fix thinko.
8305 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8306 Marcin Dalecki <martin@dalecki.de>
8308 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8309 (push_srcloc): Use XNEW.
8310 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8312 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8314 * df-core.c (df_set_blocks): Deleted all variable.
8316 2006-01-28 Ian Lance Taylor <ian@airs.com>
8318 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8319 cgraph_output_pending_asms.
8321 2006-01-28 Zack Weinberg <zackw@panix.com>
8323 * c.opt: Add -W(no-)overlength-strings.
8324 * doc/invoke.texi: Document it.
8325 * c-opts.c (c_common_handle_option): -pedantic implies
8326 -Woverlength-strings, if not explicitly disabled already.
8327 (c_common_post_options): -Woverlength-strings defaults to off, and
8328 is always off for C++.
8329 * c-common.c (fix_string_type): Issue warning about strings longer
8330 than is portable only if warn_overlength_strings. Rearrange code
8331 a little for clarity.
8332 * configure.in: Check for -Wno-overlength-strings as well before
8333 enabling -pedantic in stage 1.
8334 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8335 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8337 * genconditions.c (write_header, write_one_condition)
8338 (write_conditions, write_writer): Consolidate very long strings
8339 that were broken up to fit in C89 portable limit. Don't use
8340 printf when fputs will do.
8342 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8344 * combine.c (simplify_comparison <AND>): Check
8345 TRULY_NOOP_TRUNCATION before start using a subreg.
8347 * config/mips/mips.md (*branch_zero<mode>,
8348 *branch_zero<mode>_inverted, *branch_equality<mode>,
8349 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8350 Remove mode check from comparisons.
8352 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8354 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8356 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8358 * expmed.c (const_mult_add_overflow_p): Remove.
8359 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8361 * recog.c (validate_replace_rtx_subexp): Remove.
8362 * recog.h: Remove the prototype for
8363 validate_replace_rtx_subexp.
8365 * integrate.h: Remove the prototype for
8366 copy_decl_for_inlining.
8367 * rtl.h: Remove the prototype for mark_constant_function.
8368 * tree-vectorizer.h: Remove the prototype for
8369 vect_strip_conversion.
8371 * modulo-sched.c (create_partial_schedule,
8372 free_partial_schedule, reset_partial_schedule): Make them
8375 * hooks.c (hook_bool_rtx_int_false): Remove.
8376 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8378 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8380 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8381 and -mlong-double-128 are incompatible.
8382 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8383 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8384 (TARGET_LIBGCC2_CFLAGS): Define.
8385 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8386 (TARGET_LIBGCC2_CFLAGS): Same.
8387 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8389 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8392 * c-typeck.c (build_binary_op): Perform implicit casts of
8393 operands before shortening them.
8395 * cfgloopmanip.c (split_loop_bb): Remove.
8396 * cfgloop.h: Remove the prototype for split_loop_bb.
8398 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8399 * cfgloop.h: Remove the prototype for
8400 flow_loop_outside_edge_p.
8402 * emit-rtl.c (init_virtual_regs): Make it static.
8403 * function.h: Remove the prototype for init_virtual_regs.
8405 * recog.c (peephole2_optimize): Make it static.
8406 * recog.h: Remove the prototype for peephole2_optimize.
8408 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8410 * df-scan.c (df_record_entry_block_defs): Check if
8411 INCOMING_RETURN_ADDR_RTX is defined.
8413 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8414 Kenneth Zadeck <zadeck@naturalbridge.com>
8416 PR rtl-optimization/24762
8417 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8418 * targhooks.c (hook_void_bitmap): New hook prototype.
8419 * targhoohs.h (hook_void_bitmap): Ditto.
8420 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8421 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8422 * target.h (live_on_entry): New function pointer.
8423 * df-scan.c (df_all_hard_regs): Removed.
8424 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8425 (df_scan_free_internal): Added df->entry_block_defs.
8426 (df_scan_alloc): Ditto.
8427 (df_scan_dump): Ditto.
8428 (df_uses_record): Plumbed flag field properly thru calls.
8429 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8430 This part fixes PR24762.
8431 (df_bb_refs_record): Added code to make the frame and arg
8432 pointers live in EH blocks.
8433 (df_refs_record): Added call to df_record_entry_block_defs.
8434 (df_record_entry_block_defs): New function.
8435 * df-core.c: Added comments to describe new artifical defs.
8436 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8437 (entry_block_defs): New field in struct df.
8438 (df_all_hard_regs): Deleted.
8439 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8440 * df-problems.c (df_ru_bb_local_compute_process_def):
8441 Added code to handle artifical defs in the entry to a function.
8442 (df_ru_bb_local_compute): Ditto.
8443 (df_rd_bb_local_compute_process_def): Ditto.
8444 (df_rd_bb_local_compute): Ditto.
8445 (df_lr_bb_local_compute): Ditto.
8446 (df_ur_bb_local_compute): Ditto.
8447 (df_urec_bb_local_compute): Ditto.
8448 (df_chain_create_bb): Ditto.
8449 (df_ur_local_finalize): Removed entry.
8450 (df_urec_init): Ditto.
8451 (df_urec_local_finalize): Ditto.
8452 (df_ri_bb_compute): Added detection of last use of pseudos.
8453 * Makefile.in (df-scan.o): Updated dependencies.
8454 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8455 * config/mips/mips.c (mips_set_live_on_entry): Added.
8456 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8458 * dce.c (marked_insn_p): Added code to handle artifical defs.
8460 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8462 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8464 (_mm_cvtsi128_si64): Likewise.
8465 (_mm_cvtsd_si64): Likewise.
8466 (_mm_cvttsd_si64): Likewise.
8467 (_mm_cvtsi64_sd): Likewise.
8468 (_mm_cvtsi64_si128): Likewise.
8469 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8470 (_mm_cvtsi64_m64): Likewise.
8471 (_m_to_int64): Likewise.
8472 (_mm_cvtm64_si64): Likewise.
8473 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8474 (_mm_cvttss_si64): Likewise.
8475 (_mm_cvtsi64_ss): Likewise.
8476 (_mm_cvtss_f32): Likewise.
8478 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8480 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8481 for pragma redefine_extname.
8483 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8486 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8487 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8488 -mno-minimal-toc to previous content.
8489 (bispecs): Remove goal.
8490 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8491 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8492 compatibility aliases on powerpc-*-*gnu*.
8493 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8494 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8495 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8496 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8497 (ldblspecs): New goal.
8498 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8499 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8501 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8502 L_sf_to_tf or L_df_to_tf is defined.
8504 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8505 Alan Modra <amodra@bigpond.net.au>
8508 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8509 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8510 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8511 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8512 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8513 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8514 (rs6000_override_options): Initialize rs6000_ieeequad.
8515 Initialize TFmode format to ibm_extended_format if not
8517 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8519 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8520 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8521 (function_arg_advance): IBM long double passed in two FPRs, not
8523 (function_arg): IBM long double passed in FPRs.
8524 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8525 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8526 Only multireg GPR aligned.
8527 (rs6000_init_libfuncs): Enable IBM long double functions if not
8529 (rs6000_generate_compare): Use IBM long double compare if not
8531 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8532 (TARGET_IEEEQUAD): Define.
8533 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8534 not TARGET_IEEEQUAD.
8535 * config/rs6000/rs6000.md: Enable TFmode patterns if
8537 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8538 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8539 and -mlong-double-128 are incompatible.
8540 * doc/invoke.texi (-mabi): Collect options together. Add
8541 ibmlongdouble and ieeelongdouble.
8543 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8545 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8547 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8548 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8549 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8550 * rtl.h (rtunion_def): Remove rt_ptr.
8552 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8553 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8554 * config/i386/winnt.c (i386_pe_mark_dllexport)
8555 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8557 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8559 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8561 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8565 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8566 pthread_key_delete. From John David Anglin. gthrw-ify
8567 pthread_getunique_np only if it it's not a macro. Delete
8569 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8570 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8571 __gthread_objc_condition_signal, __gthread_key_delete): Add
8572 "__attribute__ ((__unused__))" to unused arguments.
8573 (__gthread_recursive_mutex_init_function): Add missing return.
8574 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8575 gthr-posix95.h: Use macro-based approach for name redirection
8576 on targets missing weakref.
8578 2006-01-26 Zack Weinberg <zackw@panix.com>
8580 * genconditions.c (write_header): In generated code, #ifdef out
8581 all includes and fake declarations, except includes of bconfig.h
8582 and system.h, unless GCC_VERSION >= 3001. Do not include
8583 gensupport.h in any case.
8584 (write_conditions): Generate a definition of struct c_test. Add
8585 a comment to the generated #endif.
8586 (write_one_condition): Escape backslashes in string too.
8587 (write_writer): Generated code must escape backslashes and quote
8588 marks (but not newlines) in the strings it writes.
8589 * Makefile.in (build/gencondmd.o): Update dependencies.
8591 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8594 * Makefile.in (insn-automata.o): Add header file dependencies.
8595 * genautomata.c: Add includes.
8597 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8600 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8602 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8604 * configure.ac: Expect target tools paths to be passed from the toplevel
8605 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8607 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8609 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8612 * c.opt (Wpointer-sign): Init to -1.
8613 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8614 OPT_pedantic, to 0 otherwise.
8615 * doc/invoke.texi: Update.
8617 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8619 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8620 constants provided by 80387 instructions in the destination mode.
8622 2006-01-26 Richard Guenther <rguenther@suse.de>
8623 Andrew Pinski <pinskia@physics.uc.edu>
8626 partial PR tree-opt/17064
8627 * tree-ssa-structalias.c (intra_create_variable_infos):
8628 Create heap variables for incoming parameters if
8629 flag_argument_noalias > 1.
8630 (find_what_p_points_to): Look through default defs of
8633 2006-01-26 Jeff Law <law@redhat.com>
8636 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8637 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8638 within the VR_RANGE, use the VR_RANGE as the result, not the
8640 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8641 bounds for the type.
8643 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8645 * tree-ssa-alias.c (maybe_create_global_var): Change
8646 subvar walking to an assertion that we don't have subvar'd variables.
8648 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8651 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8652 Use a new variable, inner. PARM_DECLs are always non-weak.
8654 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8656 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8659 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8661 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8663 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8665 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8666 (smax_insn, smin_insn, smax_0, smin_0): New.
8668 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8671 * config/cris/cris.c (cris_order_for_addsi3): New function.
8672 * config/cris/cris-protos.h: Prototype it.
8673 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8674 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8675 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8676 (split for "op.S1 [rx=rx+i],ry (swapped)")
8677 (split for "op(s|u).S1 [rx=rx+i],ry")
8678 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8679 Apply cris_order_for_addsi3 when generating addsi3 insns.
8681 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8683 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8684 (TREE_BLOCK): Add call to EXPR_CHECK.
8686 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8689 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8690 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8691 (dump_omp_clauses): ... here.
8692 (dump_generic_node): Handle OMP_CLAUSE.
8693 * tree.c (omp_clause_num_ops): New.
8694 (omp_clause_code_name): New.
8695 (tree_code_size): Handle OMP_CLAUSE.
8696 (tree_size): Likewise.
8697 (make_node): Document handling of OMP_CLAUSE.
8698 (tree_node_structure): Handle OMP_CLAUSE.
8699 (omp_clause_check_failed): New.
8700 (omp_clause_range_check_failed): New.
8701 (omp_clause_operand_check_failed): New.
8702 (build_omp_clause): New.
8703 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8704 * tree.h (enum omp_clause_code): Declare.
8705 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8706 (OMP_CLAUSE_RANGE_CHECK): Define.
8707 (OMP_CLAUSE_ELT_CHECK): Define.
8708 (omp_clause_check_failed): Declare.
8709 (omp_clause_operand_check_failed): Declare.
8710 (omp_clause_range_check_failed): Declare.
8711 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8712 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8713 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8714 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8715 (OMP_CLAUSE_IF_EXPR): Likewise.
8716 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8717 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8718 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8719 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8720 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8721 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8722 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8723 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8724 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8725 (OMP_CLAUSE_CODE): Define.
8726 (OMP_CLAUSE_SET_CODE): Define.
8727 (OMP_CLAUSE_CODE): Define.
8728 (OMP_CLAUSE_OPERAND): Define.
8729 (struct tree_omp_clause): Declare.
8730 (union tree_node): Add field 'omp_clause'.
8731 * treestruct.def (TS_OMP_CLAUSE): Define.
8732 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8733 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8734 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8735 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8736 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8737 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8738 (OMP_CLAUSE): Define.
8739 * print-tree.c (print_node): Handle OMP_CLAUSE.
8740 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8741 * c-typeck.c: Likewise.
8742 * gimplify.c: Likewise.
8743 * c-omp.c: Likewise.
8744 * tree-nested.c: Likewise.
8745 * tree-inline.c: Likewise.
8746 * c-parser.c: Likewise.
8747 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8750 2006-01-25 Roger Sayle <roger@eyesopen.com>
8752 PR rtl-optimization/25703
8753 * combine.c (try_combine): Handle zero_extract and strict_low_part
8754 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8756 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8758 * global.c: Fix comment typos.
8760 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8763 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8764 Use output_addr_const instead of assemble_name.
8766 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8768 * Makefile.in (sched-vis.o): Update dependencies.
8769 * haifa-sched.c (sched_finish): Clear current_sched_info.
8770 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8771 (dump_flow_info): Call it.
8772 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8774 * basic-block.h (dump_bb_info): Declare.
8775 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8776 option, and apply options only for dump files whose TDF_RTL,
8777 TDF_TREE, or TDF_IPA bits match.
8778 * rtl.h: Declare new functions exported from sched-vis.c.
8779 * sched-vis.c: Enable also if scheduling is not used.
8780 (print_value): Print the mode of registers if not inside scheduling.
8781 (print_insn): Make it work outside the scheduler. Beautify the output
8783 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8785 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8787 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8788 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8789 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8790 depending on the value of CONSTANT_POOL_ADDRESS_P.
8791 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8793 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8794 rather than SYMBOL_REF_DECL.
8795 (rtx_constant_pool): Remove const_rtx_sym_htab.
8796 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8797 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8798 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8799 Remove handling of const_rtx_sym_htab.
8800 (find_pool_constant): Delete.
8801 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8802 rather than find_pool_constant.
8803 (get_pool_constant_for_function): Delete.
8804 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8806 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8807 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8808 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8809 (SYMBOL_REF_CONSTANT): New macro.
8810 (get_pool_constant_for_function): Delete.
8811 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8812 rather than SYMBOL_REF_DECL.
8813 (i386_pe_mark_dllimport): Likewise.
8814 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8815 rather than SYMBOL_REF_DECL.
8816 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8817 (machopic_indirect_call_target): Likewise.
8819 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8821 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8823 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8825 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8827 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8829 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8831 2006-01-24 David Daney <ddaney@avtrex.com>
8834 * configure.ac (enable_tls): New enable option.
8835 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8836 * configure: Regenerate.
8837 * doc/install.texi (--enable-tls): Document new option.
8838 (--disable-tls): Ditto.
8840 2006-01-24 Richard Henderson <rth@redehat.com>
8842 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8843 * alias.c (true_dependence): Respect it.
8844 (canon_true_dependence, write_dependence_p): Likewise.
8845 * builtins.c (get_builtin_sync_mem): Set it.
8847 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8849 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8852 2006-01-24 DJ Delorie <dj@redhat.com>
8854 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8855 for storing constants in single-bit bitfields.
8857 2006-01-25 Ben Elliston <bje@au.ibm.com>
8859 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8861 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8864 * tree-ssa-pre.c (phi_translate): Return NULL
8865 for AGGREGATE_TYPE's.
8867 2006-01-24 Zack Weinberg <zackw@panix.com>
8869 * genautomata.c (process_state_for_insn_equiv_partition):
8870 Use xcalloc for insn_arcs_array.
8871 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8872 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8874 2006-01-24 Richard Henderson <rth@redhat.com>
8876 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8879 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8881 PR rtl-optimization/25890
8882 PR rtl-optimization/25905
8883 * combine.c (expand_compound_operation, expand_field_assignment):
8884 Fail if the bitfield's final position is out of bounds.
8886 2006-01-24 Ian Lance Taylor <ian@airs.com>
8889 * cgraphunit.c (cgraph_output_in_order): Don't clear
8890 cgraph_asm_nodes until after asm strings have been output.
8892 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8894 * fix-header.c (read_scan_file): Add new parameter imultilib when
8895 calling register_include_chains.
8897 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8899 * omp-low.c: Update documentation.
8901 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8902 Daniel Berlin <dberlin@dberlin.org>
8906 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8907 return from the function.
8909 2006-01-22 Zack Weinberg <zackw@panix.com>
8911 * rtl.def (match_code): Add second argument.
8912 * genpreds.c (write_extract_subexp): New function.
8913 (write_match_code): Add path argument. Use write_extract_subexp.
8914 (write_predicate_expr): Pass path to write_match_code.
8915 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8916 not perform a mode test.
8917 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8918 a subexpression does not constrain the top-level code set.
8919 * read-rtl.c (read_rtx_variadic): New function.
8920 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8921 * doc/md.texi: Document new notation.
8922 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8923 (cmpsi_operand): ... here, using new notation.
8925 2006-01-22 Zack Weinberg <zackw@panix.com>
8927 * varray.c: Remove GENERATOR_FILE #ifdefs.
8929 2006-01-22 Zack Weinberg <zackw@panix.com>
8931 * genautomata.c (output_reserved_units_table): Emit nothing if
8932 description->query_units_num is zero. Remove extra blank line.
8933 (output_cpu_unit_reservation_p): Short circuit
8934 if description->query_units_num is zero.
8936 2006-01-22 Zack Weinberg <zackw@panix.com>
8938 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8939 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8940 nor any of the random handful of variables that used to be necessary
8941 when this program was linked with rtlanal.o. Prune set of forward
8942 function declarations.
8943 (struct attr_desc): Remove static_p field.
8944 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8945 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8946 (attr_string): Do not read the character one past the length of
8948 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8949 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8950 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8951 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8952 (make_automaton_attrs): New.
8953 (main): Do not call into genautomata. Call local gen_bypass
8954 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8955 Remove special case for insn_alts.
8956 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8957 varray.h (leftover from previous change). Prune set of forward
8958 function declarations. Remove state_alts fields from all
8959 structures. Remove state_alts_table from struct automaton.
8960 Make everything except main static. Do not maintain num_dfa_decls.
8961 Do not maintain state_alts fields of various structures.
8962 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8963 (add_arc): Remove state_alts argument. All callers updated.
8964 (output_reserved_units_table): Emit #ifdef here...
8965 (output_tables): ...not here. Don't generate state_alts tables.
8966 (expand_automata): Don't generate attributes.
8967 (write_automata): Don't generate state_alts functions.
8968 (main): New function.
8969 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8970 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8971 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8972 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8973 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8974 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8975 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8976 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8978 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8979 * genattrtab.h: Delete file.
8980 * Makefile.in (OBJS-common): Add insn-automata.o.
8981 (insn-automata.o): New rule.
8982 (simple_generated_c): Add insn-automata.c.
8983 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8984 (genprogmd): Add automata.
8985 (build/genattrtab): Needs no extra objects nor libraries.
8986 (build/genautomata): Needs build/vec.o and -lm.
8988 2006-01-22 Zack Weinberg <zackw@panix.com>
8990 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8991 (output_dfa_max_issue_rate, locked_states_num): Delete.
8992 (struct automaton): Add locked_states field.
8993 (output_dead_lock_vect): Save number of locked states in
8994 automaton->locked_states. If it is zero, don't print anything.
8995 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8996 (output_internal_dead_lock_func): Only test the dead_lock_vect
8997 for automata that have locked states.
8998 (output_statistics): Always print the number of locked states for
8999 each automaton. Calculate total number of locked states here.
9000 (write_automata): Don't call output_dfa_max_issue_rate.
9001 * genattrtab.c: Define length_unit_log as a const variable.
9002 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9003 max_insn_queue_index const.
9004 * final.c (length_unit_log): Declare const.
9005 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9007 2006-01-22 Zack Weinberg <zackw@panix.com>
9009 * genautomata.c: Include vec.h, not varray.h.
9010 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9011 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9012 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9013 VEC_* macros operating on appropriately typed vectors, or to
9014 malloced arrays when the size is known in advance. Const-ify
9015 many char* variables and function arguments. No functional changes.
9016 * Makefile.in (build/varray.o): Delete rule.
9017 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9018 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9020 2006-01-22 Zack Weinberg <zackw@panix.com>
9022 * gensupport.c: Define get_insn_name and record_insn_name here.
9023 (read_md_rtx): Call record_insn_name as appropriate.
9024 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9025 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9026 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9028 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9029 (BUILD_VARRAY): Delete.
9030 (genprognormal): Rename genprogmd. Fold in all programs from
9031 genprognoprint; also attrtab.
9032 (build/genattrtab): Just mention genautomata.o and varray.o.
9033 Reorganize a bit, add comments to make the categories clearer.
9035 2006-01-22 Zack Weinberg <zackw@panix.com>
9037 * genconditions.c (condition_table, add_condition): Delete.
9038 (write_conditions): Don't emit n_insn_conditions nor
9039 insn_elision_unavailable. Issue the gcc version #ifdef here,
9040 inside the table, with no #else clause ...
9041 (write_header): ...not here.
9042 (write_writer): New function.
9043 (main): Don't initialize condition_table. Use add_c_test.
9045 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9046 files on the command line.
9047 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9048 Return -1 if there is no entry in the table, don't abort.
9049 (add_c_test, traverse_c_tests): New functions.
9050 * gensupport.h (insn_elision_unavailable, insn_conditions)
9051 (n_insn_conditions): Delete declarations.
9052 (add_c_test, traverse_c_tests): Declare.
9053 * read-rtl.c: Include gensupport.h.
9054 (read_conditions): New function.
9055 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9056 (read_rtx_1): If we get EOF when we were looking for an initial
9057 open paren, return 0. Call read_conditions when appropriate.
9058 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9059 dummy-conditions.o. Eliminate references to insn-conditions.o,
9060 or change them to build/gencondmd.o, as appropriate. Remove
9061 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9062 from $(simple_generated_c). For all files remaining in those
9063 two lists, add insn-conditions.md to the generator command line.
9064 Give insn-constants.h/s-constants their own rules. Add rules
9065 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9066 (build/read-rtl.o): Depend on gensupport.h.
9067 (genprognormal): Include preds.
9068 (genprogearly): Rename genprognoprint; only difference is now that
9069 they don't link with $(BUILD_PRINT).
9070 * dummy-conditions.c: Delete.
9072 2006-01-22 Zack Weinberg <zackw@panix.com>
9074 * genextract.c: Don't include insn-config.h. Do include vec.h.
9075 Declare vectors of int, char, and locstr.
9076 (locstr): New typedef.
9077 (struct extraction): Make all array fields into bare pointers.
9078 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9079 (insn_code_number): Delete.
9080 (accum_extract): New struct.
9081 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9082 (gen_insn): Take insn_code_number as an argument. Use an
9083 accum_extract structure instead of loading data directly into
9084 a struct extraction, and having to know how big it might get.
9085 (walk_rtx): Operate entirely on an accum_extract structure.
9086 (print_path): Avoid unnecessary use of printf.
9087 (print_header): New function, split out of main. Distinguish
9088 more carefully between an unrecognizable insn and an insn that
9089 has the code number of a define_expand.
9090 (main): Pass insn_code_number to gen_insn. Call print_header
9091 only after parsing. Avoid unnecessary use of printf.
9092 * Makefile.in (build/vec.o): New rule.
9093 (build/genextract): Depend on build/vec.o.
9094 (build/genextract.o): Don't depend on insn-config.h.
9096 2006-01-22 Zack Weinberg <zackw@panix.com>
9098 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9099 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9100 practical. Eliminate per-generator-program link rules.
9102 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9105 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9106 with a call expr to ...
9107 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9109 2006-01-23 Richard Guenther <rguenther@suse.de>
9111 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9112 before make_edge with conditional EDGE_TRUE_VALUE.
9114 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9115 Jan Hubicka <jh@suse.cz>
9116 Richard Guenther <rguenther@suse.de>
9118 PR rtl-optimization/25654
9119 * cfgexpand.c (aggregate_contains_union_type): New function.
9120 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9121 for structure variables that contain a union type.
9123 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9125 * gengtype.c (new_structure): Return the structure.
9126 (create_option): Add an extra "next" argument.
9127 (create_field): New function.
9128 (adjust_field_rtx_def): Use create_option and create_field.
9129 Remove a now-unnecessary call to find_structure.
9130 (adjust_field_tree_def): Likewise.
9131 (note_yacc_type): Remove an unnecessary call to find_structure.
9132 * gengtype.h (new_structure): Return the structure.
9133 (create_option): Add an extra argument.
9134 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9135 (option): Adjust calls to create_option.
9137 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9139 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9141 2006-01-22 Paul Brook <paul@codesourcery.com>
9142 Peter Barada <peter@the-baradas.com>
9144 * config/m68k/m68k.md: Add Coldfire FPU support.
9145 Define FP mode macro and associated attributes.
9146 Use it for float mode patterns.
9147 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9148 (LIBCALL_VALUE): Use m68k_libcall_value.
9149 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9150 (m68k_function_value): Ditto.
9151 (emit_move_sequence): Ditto.
9152 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9153 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9154 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9155 (MULTILIB_EXCEPTIONS): Ditto.
9156 * config/m68k/m68k.opt: Add mcfv4e.
9157 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9158 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9159 (m68k_output_function_prologue): Save ColdFire FPU registers.
9160 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9161 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9162 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9163 ColdFire FPU registers.
9164 (m68k_libcall_value, m68k_function_value): New functions.
9165 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9166 (LIBCALL_VALUE): Use m68k_libcall_value.
9167 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9168 (MASK_COLDFIRE): Add MASK_CFV4E.
9169 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9170 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9171 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9172 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9173 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9174 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9175 * doc/invoke.tex: Document -mcfv4e on m68k.
9177 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9179 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9182 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9185 * c-opts.c (c_common_handle_option): Don't include
9186 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9187 * doc/invoke.texi (C++ Dialect Options): Document that
9188 -Wnon-virtual-dtor is no longer included in -Wall.
9190 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9192 * gcov.c (print_version), gcov-dump.c (print_version),
9193 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9196 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9198 * df-scan.c (problem_SCAN): Added NULL reset function.
9199 (df_scan_reset_blocks): Added code to call reset block function
9200 (df_bb_refs_delete) Fixed comment.
9201 (df_insn_refs_delete): Made tolerant of deleting non existent info
9202 for dataflow problems that need to be reset.
9203 * df-core.c (df_set_blocks): Ditto.
9204 * df.h (struct df_problem): Added reset_fun.
9205 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9206 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9207 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9208 functions to clear out all references to def-use or use-def chains.
9210 2006-01-21 Ben Elliston <bje@au.ibm.com>
9212 * varasm.c (assemble_real): Initialise data array.
9214 2006-01-20 Paul Brook <paul@codesourcery.com>
9216 Merge from csl-arm-branch.
9217 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9218 * config/arm/arm.md (movdi): Force operands[1] to a register
9219 if we have a non-register source.
9220 (*arm_movdi, *movdf_soft_insn): Require that one of the
9221 operands be a register.
9222 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9223 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9225 2006-01-20 DJ Delorie <dj@redhat.com>
9227 * varasm.c (initialize_constant_valid_p): Allow pointers
9228 initialized from integer constants of lesser precision.
9229 (output_constant): Allow non-int-sized pointer modes to be
9230 initialized from integer constants.
9232 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9235 * cppdefault.h (struct default_include): Add multilib flag.
9236 * cppdefault.c (cpp_include_defaults): Set it.
9237 * c.opt (-imultilib): New option.
9238 * c-opts.c (imultilib): New.
9239 (c_common_handle_option): Handle -imultilib.
9240 (c_common_post_options): Likewise.
9241 * c-incpath.c (add_standard_paths, register_include_chains):
9243 * c-incpath.h (register_include_chains): Add extra parameter.
9244 * gcc.c (do_spec_1): Generate -imultilib option.
9245 (The Specs Language): Update %I description.
9246 (process_command): Update copyright notice.
9247 * doc/cppopts.texi (-imultilib): Document.
9248 * doc/invoke.texi (-imultilib): Include in option summary.
9249 (%I): Update specs documentation.
9251 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9253 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9255 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9257 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9260 2006-01-20 Richard Guenther <rguenther@suse.de>
9261 Steven Bosscher <stevenb.gcc@gmail.com>
9263 PR rtl-optimization/24626
9264 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9265 EDGE_TRUE_VALUE if in RTL mode.
9268 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9269 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9271 2006-01-20 Dirk Mueller <dmueller@suse.com>
9274 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9275 instead of a special NOP marker.
9276 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9277 NOP marker handling.
9278 * c-common.h (empty_body_warning): Add forward declaration.
9279 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9280 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9282 2006-01-20 Paul Brook <paul@codesourcery.com>
9284 * Makefile.in (lang_checks): Keep going if mkdir fails.
9286 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9288 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9289 be able to clean out basic block when not necessary.
9290 (df_scan_free): Fixed to properly delete information if df is
9291 unused before calling df_finish.
9292 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9293 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9295 (df_bb_refs_delete): New function.
9296 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9297 * df-core.c (df_set_blocks): Added code to properly clean out
9298 unused blocks if they are not part of the blocks to consider.
9299 Added additional null check.
9300 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9301 be able to clean out basic block when not necessary
9302 * df.h (df_free_bb_function): Ditto.
9303 (df_bb_refs_delete): New function.
9304 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9305 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9306 basic block parameter to be able to clean out basic block when not
9308 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9309 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9310 Fixed to properly delete information if df is unused before
9313 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9315 PR rtl-optimization/25799
9316 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9317 Corrected confluence operator to remove bits from op2 before oring
9318 with op1 rather than removing bits from op1.
9319 (df_ru_transfer_function): Corrected test on wrong bitmap which
9320 caused infinite loop. Both of these problems were introduced in
9321 the dataflow rewrite.
9323 2006-01-19 DJ Delorie <dj@redhat.com>
9325 * reload1.c (find_reload_regs): Note the details of reload
9326 failures in the dump file.
9327 (spill_failure): Likewise.
9329 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9331 * loop-iv.c: Include df.h and hashtab.h.
9332 (enum iv_grd_result): New enum.
9333 (DF_REF_IV, DF_REF_IV_SET): New macros.
9334 (struct biv_entry): New.
9335 (df, bivs): New global variables.
9336 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9337 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9339 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9340 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9341 analyzed_for_bivness_p, record_biv): New functions.
9342 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9343 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9344 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9346 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9348 (iv_number_of_iterations): Use new interface to iv analysis.
9349 * loop-unroll.c: Do not include varray.h.
9350 (analyze_iv_to_split_insn): Use new interface to iv
9352 * loop-unswitch.c (may_unswitch_on): Ditto.
9353 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9355 (df_bb_modify): Realloc tables to the new index.
9356 (df_find_use): New function.
9357 * df.h (df_find_use): Declare.
9358 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9360 * cfgloop.h (struct rtx_iv): Remove analysed field.
9361 (iv_get_reaching_def): Removed.
9362 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9363 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9364 (loop-iv.o): Add df.h and hashtab.h dependency.
9365 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9367 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9370 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9372 (__floatundisf, __floatundidf): Likewise.
9373 * libgcc2.h (IS_IBM_EXTENDED): Define.
9375 2006-01-19 DJ Delorie <dj@redhat.com>
9377 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9379 2006-01-19 Paul Brook <paul@codesourcery.com>
9381 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9382 as nothrow when unwinding tables are disabled.
9384 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9387 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9388 of bit-field" when in system header.
9390 2006-01-19 DJ Delorie <dj@redhat.com>
9392 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9393 the 16 bit shift limit of the m16c.
9395 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9398 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9399 * config/i386/i386.c (output_set_got): Output the label if we have one
9400 for the TARGET_DEEP_BRANCH_PREDICTION case.
9402 2006-01-19 Jan Hubicka <jh@suse.cz>
9403 H.J. Lu <hongjiu.lu@intel.com>
9404 Evandro Menezes <evandro.menezes@amd.com>
9406 * invoke.texi (generic): Document
9408 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9409 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9410 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9411 (x86_use_incdec, x86_pad_returns): New variables
9412 (TARGET_CPU_DEFAULT_generic): New constant
9413 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9414 (enum processor_type): Add generic32 and generic64.
9415 * i386.md (cpu attribute): Add generic32/generic64
9416 (movhi splitter): Behave sanely when both partial_reg_dependency and
9417 partial_reg_stall are set.
9418 (K8 splitters): Enable for generic as well.
9419 * predicates.md (incdec_operand): Use TARGET_INCDEC
9420 (aligned_operand): Avoid memory mismatch stalls.
9421 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9422 * ppro.md: Enable for generic32
9423 * i386.c (generic64_cost, generic32_cost): New.
9424 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9425 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9426 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9427 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9428 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9429 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9430 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9431 x86_accumulate_outgoing_args, x86_prologue_using_move,
9432 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9433 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9435 (x86_use_incdec, x86_pad_returns): New.
9436 (override_options): Add generic32 and generic64, translate "generic"
9437 to generic32/generic64 and "i686" to "generic32", refuse
9438 "generic32"/"generic64" as arch target.
9439 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9440 (ix86_reorg): Honor PAD_RETURNS.
9442 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9444 * tree-pretty-print.c (dump_generic_node): Handle
9445 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9446 * cgraph.c (cgraph_expand_queue): Rename from
9447 cgraph_analyze_queue. Update all users.
9448 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9449 cgraph_expand_queue.
9450 (cgraph_expand_all_functions): Likewise.
9451 (cgraph_finalize_pending_functions): Remove. Update callers.
9453 * tree.h (OMP_DIRECTIVE_P): Define.
9454 (OMP_PARALLEL_FN): Define.
9455 (OMP_PARALLEL_DATA_ARG): Define.
9456 (OMP_SECTIONS_SECTIONS): Define.
9457 * tree-pass.h (pass_expand_omp): Declare.
9458 * omp-low.c (struct omp_region): Declare.
9459 (struct omp_context): Remove fields 'parallel_type',
9460 'parallel_start_ix' and 'parallel_start_additional_args'.
9462 (struct omp_for_data): Rename from struct expand_omp_for_data.
9463 (omp_regions): New static variable.
9464 (root_omp_region): New static variable.
9465 (find_omp_clause): Make static.
9466 (is_in_combined_parallel_ctx): Remove.
9467 (is_combined_parallel): New.
9468 (extract_omp_for_data): Move earlier in the file.
9469 (workshare_safe_to_combine_p): New.
9470 (get_ws_args_for): New.
9471 (determine_parallel_type): Move earlier in the file.
9472 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9474 (omp_copy_decl): Likewise.
9475 (create_omp_child_function): Likewise.
9476 (lookup_omp_region): New.
9477 (dump_omp_region): New.
9478 (debug_omp_region): New.
9479 (debug_all_omp_regions): New.
9480 (new_omp_region): New.
9481 (scan_omp_parallel): If parallel_nesting_level > 1, the
9482 directive is nested within another parallel directive.
9483 Set OMP_PARALLEL_FN.
9484 (scan_omp_for): Do not try to handle combined parallel+for
9486 Remove FIXME comment.
9487 (scan_omp_nested): Remove.
9488 (scan_omp_1): Do not call scan_omp_nested when
9489 parallel_nesting_level is > 1.
9490 Do not change the DECL_CONTEXT of local variables found.
9491 (lookup_decl_in_outer_ctx): New.
9492 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9493 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9494 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9495 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9496 If CTX is nested, lookup VAR in the outer context when
9497 building copy assignment.
9498 (lower_send_clauses): Rename from expand_send_clauses.
9499 If CTX is nested, lookup VAR in the outer context when
9500 building copy assignments.
9501 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9502 If CTX is nested, lookup VAR in the outer context when
9503 building copy assignments.
9504 (expand_parallel_call): Rename from build_parallel_call.
9505 Handle combined parallel+workshare cases.
9506 Re-implement to emit code into the CFG.
9508 (expand_omp_parallel): Re-implement to emit code into the CFG.
9509 Call move_sese_region_to_fn to outline the sub-graph
9510 containing the parallel region.
9511 (expand_omp_for_1): Remove.
9512 (expand_omp_for_generic): Re-implement to emit code into the
9514 (expand_omp_for_static_nochunk): Likewise.
9515 (expand_omp_for_static_chunk): Likewise.
9516 (expand_omp_for): Likewise.
9517 (expand_omp_sections): Likewise.
9518 (remove_exit_barriers): New.
9519 (expand_omp_synch): New.
9521 (build_omp_regions_1): New.
9522 (build_omp_regions): New.
9523 (execute_expand_omp): New.
9524 (gate_expand_omp): New.
9525 (pass_expand_omp): Define.
9526 (lower_omp_sections): Rename from expand_omp_sections.
9527 Set OMP_SECTIONS_SECTIONS.
9528 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9529 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9530 (lower_omp_single): Rename from expand_omp_simple.
9531 (lower_omp_master): Rename from expand_omp_master.
9532 (lower_omp_ordered): Rename from expand_omp_ordered.
9533 (lower_omp_critical): Rename from expand_omp_critical.
9534 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9535 (lower_omp_for): Re-implement.
9536 (lower_omp_parallel): Re-implement.
9537 (lower_regimplify): Rename from expand_regimplify.
9538 (lower_omp_1): Rename from expand_omp_1.
9539 If there are syntax errors in the program, replace every
9540 OpenMP directive with NOP.
9541 Call lower_omp_* instead of expand_omp_*.
9542 (lower_omp): Rename from expand_omp.
9544 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9545 * tree-gimple.h (enum omp_parallel_type): Remove.
9546 (gimple_boolify): Declare extern.
9547 (find_omp_clause, determine_parallel_type): Remove.
9549 * gimple-low.c (lower_omp_directive): New.
9550 (lower_stmt): Call it.
9551 (record_vars_into): Move from ...
9552 (record_vars): ... here.
9553 Call record_vars_into with current_function_decl.
9555 * gimplify.c (struct gimplify_ctx): Remove fields
9556 combined_pre_p and combined_ctxp. Update users.
9557 (get_formal_tmp_var): Add documentation.
9558 (gimple_boolify): Make extern.
9559 (gimplify_expr_in_ctx): Remove. Update callers.
9560 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9561 will always be a BIND_EXPR.
9562 (gimplify_expr): Handle OMP_RETURN_EXPR.
9563 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9564 (OMP_PARALLEL): Add 3 operands.
9565 (OMP_SECTIONS): Add 1 operand.
9566 (OMP_RETURN_EXPR): Define.
9568 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9569 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9570 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9571 creating a circular free list.
9572 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9574 * tree-flow.h (move_sese_region_to_fn): Declare.
9575 (record_vars_into): Declare.
9576 * tree-cfg.c (make_omp_sections_edges): New.
9577 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9578 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9579 OMP_SECTIONS and OMP_SECTION.
9580 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9581 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9582 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9583 (gather_blocks_in_sese_region): New.
9584 (struct move_stmt_d): Declare.
9586 (move_block_to_fn): New.
9587 (move_sese_region_to_fn): New.
9589 * passes.c (init_optimization_passes): Schedule
9590 pass_expand_omp after pass_init_datastructures.
9592 * tree-ssa-operands.c (get_expr_operands): Handle
9593 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9594 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9596 2006-01-19 Jeff Law <law@redhat.com>
9598 * tree-vrp.c (extract_range_from_assert): Refine the result range
9599 if the variable referenced by the ASSERT_EXPR has a range and
9600 either the tentative result range or the previous range is a
9603 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9605 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9607 2006-01-19 Jan Hubicka <jh@suse.cz>
9609 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9611 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9613 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9614 (expand_compound_operation, expand_field_assignment): Fail if the
9615 bit lengths of an extract operation are out of range.
9616 (make_extraction): Compute wanted_inner_mode based on the position
9617 and length of the extraction. Make it extraction_mode for non-constant
9618 positions, and do not modify offset in that case. When generating a
9619 new MEM, use a mode that can hold the extraction while keeping correct
9620 alignment. Remove code that supported MEMs wrapped by USEs.
9621 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9623 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9625 * config/s390/s390.md ("Y", "y"): New mode attribute.
9626 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9627 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9628 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9629 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9630 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9631 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9632 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9633 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9634 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9635 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9636 "addsi3", "subsi3"): Insn patterns removed.
9637 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9638 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9639 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9640 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9641 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9642 "*sub<mode>3_cconly2"): New insn patterns.
9643 ("addsi3", "subsi3"): New expanders.
9645 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9647 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9648 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9649 existing STMT_VINFO_VECTYPE if available.
9650 (vect_mark_relevant): Add special handling for stmts that are
9651 marked as STMT_VINFO_IN_PATTERN_P.
9652 (vect_analyze_loop): Call vect_pattern_recog.
9653 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9654 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9656 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9657 (vect_recog_func_ptr): New function-pointer type.
9658 * tree-vect-patterns.c: New file.
9659 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9660 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9661 (vect_pattern_recog_1): New functions.
9662 (vect_pattern_recog_funcs): New array of function pointers.
9664 * tree-vectorizer.h (ternary_op): New enum value.
9665 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9666 declaration. Revised documentation. Removed redundant dump prints.
9667 Removed redundant argument. Added support for reduction patterns.
9668 (vectorizable_reduction): Added support for reduction patterns.
9669 (vect_transform_stmt): Added support for patterns.
9671 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9672 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9673 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9674 (expand_widen_pattern_expr): New function.
9675 (init_optabs): Initialize new optabs udot_prod_optab,
9677 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9678 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9679 (expand_widen_pattern_expr): New function declaration.
9680 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9682 * tree-inline.c (estimate_num_insns_1): Added cases for new
9683 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9684 * tree-pretty-print.c (dump_generic_node): Likewise.
9685 (op_prio): Likewise.
9686 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9687 * tree-ssa-operands.c (get_expr_operands): Added case for
9689 * tree-vect-patterns.c (widened_name_p): New function.
9690 (vect_recog_dot_prod_pattern): Added function implementation.
9691 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9692 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9693 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9694 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9696 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9697 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9698 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9699 (init_optabs): Initialize new optabs widen_ssum_optab,
9701 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9702 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9703 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9704 use instead of type of def.
9705 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9706 function implementation.
9707 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9708 widen_ssumv8hi): New.
9710 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9713 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9716 * c-decl.c (add_flexible_array_elts_to_size): New function.
9717 (finish_decl): Use it.
9719 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9721 * diagnostic.h: Include options.h.
9722 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9723 dependancies for diagnostic.h.
9724 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9726 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9728 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9729 (ssa_ro_call_cache_valid): Ditto.
9730 * tree-ssa-alias.c (sort_tags_by_id): New function.
9731 (init_transitive_clobber_worklist): Ditto.
9732 (add_to_worklist): Ditto.
9733 (mark_aliases_call_clobbered): Ditto.
9734 (compute_tag_properties): Ditto.
9735 (set_initial_properties): Ditto.
9736 (compute_call_clobbered): Ditto.
9737 (compute_may_aliases): Call compute_call_clobbered and grouping.
9738 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9739 (compute_flow_insensitive_aliasing): Grouping now happens in our
9741 (setup_pointers_and_addressables): Remove clobbering related code.
9742 (add_may_alias): Ditto.
9743 (replace_may_alias): Ditto.
9744 (get_nmt_for): Ditto.
9745 (create_global_var):
9746 (is_escape_site): Return an escape_type enumeration.
9747 * tree-flow-inline.h (is_call_clobbered): Global var does not
9748 imply call clobbered.
9749 (mark_call_clobbered): Take a reason for marking this. Remove
9750 marking of globalness, and cache invalidation.
9751 (clear_call_clobbered): Remove cache invalidation code.
9752 * tree-dfa.c (dump_variable): If details is on, dump the reason
9754 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9756 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9757 (struct var_ann_d): Ditto.
9758 (enum escape_type): New.
9759 (mark_call_clobbered): Adjust prototype.
9760 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9761 are never call clobbered.
9762 Record reasons for escaping.
9763 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9764 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9765 (ssa_ro_call_cache_valid): Ditto.
9766 (clobbered_v_may_defs): Ditto.
9767 (clobbered_vuses): Ditto.
9768 (ro_call_vuses): Ditto.
9769 (clobber_stats): New.
9770 (init_ssa_operands): Zero out clobber stats.
9771 (fini_ssa_operands): Print out clobber stats.
9772 (get_call_expr_operands): Pass callee fndecl to
9774 (add_call_clobber_ops): Remove use of cache.
9775 Add use of PURE_CONST information.
9776 (add_call_read_ops): Remove use of cache.
9777 Add use of static not_read information.
9779 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9781 Introduce TLS descriptors for i386 and x86_64.
9782 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9783 (TARGET_ANY_GNU_TLS): New macro.
9784 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9785 (struct machine_function): Add tls_descriptor_call_expanded_p.
9786 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9787 (ix86_current_function_calls_tls_descriptor): Likewise.
9788 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9789 (override_options): Introduce gnu2 tls dialect.
9790 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9792 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9794 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9795 (ix86_init_machine_status): Initialize new field.
9796 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9797 (ix86_tls_module_base): New.
9798 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9799 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9800 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9801 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9802 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9803 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9804 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9805 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9806 * config/i386/predicates.md (tls_modbase_operand): New.
9807 (tp_or_register_operand): New.
9809 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9811 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9812 (look_for_address_of): Ditto.
9813 (ipa_init): Walk the function decls.
9814 (static_execute): Don't set readonly on FUNCTION_DECL's.
9816 2006-01-18 Roger Sayle <roger@eyesopen.com>
9818 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9819 for shifts where the source and destination registers are different.
9821 2006-01-18 Paul Brook <paul@codesourcery.com>
9823 Merge from csl-arm-branch.
9824 2005-03-14 Julian Brown <julian@codesourcery.com>
9825 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9826 (aeabi_llsl): Likewise.
9827 (ashrdi3): Likewise.
9828 (aeabi_lasr): Likewise.
9829 (lshrdi3): Likewise.
9830 (aeabi_llsr): Likewise.
9831 2005-03-10 Julian Brown <julian@codesourcery.com>
9832 * config.gcc: Disable shared libgcc for SymbianOS.
9833 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9835 2006-01-18 DJ Delorie <dj@redhat.com>
9837 * c-pragma.c (handle_pragma_diagnostic): New.
9838 (init_pragma): Register it.
9839 * doc/extend.texi: Document it.
9841 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9842 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9843 (diagnostic_context): Add classify_diagnostic[].
9844 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9845 as errors if they're overridden to DK_WARNING.
9846 (diagnostic_initialize): Initialize classify_diagnostic[].
9847 (diagnostic_set_kind_override): New.
9848 (diagnostic_report_diagnostic): Check for kind changes.
9849 * opts.c (common_handle_option): Take lang_mask. Update callers.
9851 * common.opt (Werror=): New.
9852 * doc/invoke.texi: Document -Werror=*
9854 2006-01-18 Jeff Law <law@redhat.com>
9856 * tree-vrp.c (test_for_singularity): Correct test for new
9857 min limit. Use operand_equal_p rather than pointer equality
9858 for testing if new min/max values are equal.
9860 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9861 using range information until after propagation and folding.
9863 2006-01-18 Richard Henderson <rth@redhat.com>
9864 Aldy Hernandez <aldyh@redhat.com>
9865 Jakub Jelinek <jakub@redhat.com>
9866 Diego Novillo <dnovillo@redhat.com>
9868 * omp-low.c: New file.
9869 * c-omp.c: New file.
9871 2006-01-18 Richard Henderson <rth@redhat.com>
9872 Jakub Jelinek <jakub@redhat.com>
9873 Diego Novillo <dnovillo@redhat.com>
9875 * doc/invoke.texi: Document -fopenmp.
9876 * tree-dump.h (debug_function): Declare.
9877 * hooks.c (hook_bool_tree_bool_false): New function.
9878 (hook_tree_tree_null): Remove.
9879 (hook_tree_tree_tree_null): New.
9880 * hooks.h: Update to match.
9881 * tree-pretty-print.c (debug_tree_chain): New.
9882 (print_generic_expr): Handle TDF_CHAIN.
9883 (dump_generic_node): Handle BLOCK.
9884 Do not abort with incomplete SWITCH_EXPRs.
9885 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9886 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9887 print space after directive name.
9888 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9889 Handle OMP_MASTER and OMP_ORDERED.
9890 Handle printing of OMP_BODY just in one place, goto
9891 dump_omp_body in the rest of OMP_* nodes that have
9893 Don't handle clause nodes here. Update omp statements to
9894 use dump_omp_clauses.
9895 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9896 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9897 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9898 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9899 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9900 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9901 Adjust output for GOMP_PARALLEL.
9902 (dump_omp_clauses): New.
9903 (print_declaration): Dump DECL_VALUE_EXPR.
9904 (op_symbol_1): Split out of op_symbol.
9905 (dumping_stmts): Remove. Update all users.
9906 * cgraph.c (cgraph_analyze_queue): New.
9907 (cgraph_add_new_function): New.
9908 * cgraph.h (cgraph_analyze_queue): Declare.
9909 (cgraph_add_new_function): Declare.
9910 (cgraph_lower_function): Remove.
9911 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9912 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9913 and TYPE_P nodes in its default clause.
9914 (empty_body_p): New.
9915 (tree_range_check_failed): New.
9917 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9918 OMP_CLAUSE_REDUCTION_MERGE,
9919 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9920 OMP_CLAUSE_PRIVATE_DEBUG,
9921 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9922 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9923 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9924 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9925 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9926 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9927 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9928 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9929 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9930 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9931 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9932 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9933 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9934 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9935 (TREE_RANGE_CHECK): New.
9936 (empty_body_p): Declare.
9937 (enum omp_clause_default_kind): New.
9938 (build_string_literal): Declare.
9939 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9940 (build5_stat, build5): Declare.
9941 * tree-pass.h (TDF_CHAIN): Define.
9942 * tree-pass.h (PROP_gimple_lomp): Define.
9943 (pass_lower_omp): Declare.
9944 * diagnostic.h (debug_tree_chain): Declare.
9945 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9947 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9948 * builtins.c (build_string_literal): Make extern.
9949 * gcc.c (include_spec_function): New.
9950 (static_spec_functions): Add it.
9951 (main): Move load of libgomp.spec ...
9952 (LINK_COMMAND_SPEC): ... here.
9953 (link_gomp_spec): New.
9954 (static_specs): Include it.
9955 (LINK_COMMAND_SPEC): Add link_gomp.
9956 (GOMP_SELF_SPECS): New.
9957 (driver_self_specs): Include it.
9958 (switch_matches): Don't mark inline.
9959 (main): Load libgomp.spec.
9960 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9961 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9962 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9963 * tree-gimple.h (enum omp_parallel): Declare.
9964 (determine_parallel_type): Declare.
9965 (omp_firstprivatize_variable): Declare.
9966 (omp_reduction_init): Declare.
9967 (diagnose_omp_structured_block_errors): Declare.
9968 (struct walk_stmt_info): Add want_return_expr.
9969 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9970 (find_omp_clause): Declare.
9971 (insert_field_into_struct): Declare.
9972 (struct walk_stmt_info): Move from tree-nested.c
9973 (walk_stmts): Declare.
9974 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9976 * cgraphunit.c (cgraph_lower_function): Make static.
9977 (cgraph_finalize_pending_functions): New.
9978 (cgraph_finalize_function): Call it.
9979 (cgraph_finalize_compilation_unit): Likewise.
9980 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9981 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9982 (BT_FN_UINT_UINT): New.
9983 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9984 DEF_FUNCTION_TYPE_VAR_4): Document.
9985 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9986 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9987 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9988 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9989 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9990 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9991 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9992 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9993 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9994 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9995 into separate files.
9996 (DEF_GOMP_BUILTIN): New.
9997 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9998 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9999 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10000 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10001 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10002 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10003 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10004 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10005 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10006 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10007 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10008 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10009 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10010 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10011 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10012 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10013 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10014 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10015 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10016 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10017 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10018 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10019 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10020 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10021 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10022 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10023 * sync-builtins.def: New file, moved from builtins.def.
10024 * omp-builtins.def: New file, moved from builtins.def.
10025 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10026 * gimple-low.c (lower_function_body): Clear data.
10027 (lower_stmt): Do not handle COMPOUND_EXPR.
10028 Remove call to print_node_brief.
10029 * c-tree.h (c_finish_omp_clauses): New prototype.
10030 (C_DECL_THREADPRIVATE_P): Define.
10031 (lookup_name_no_remap, c_omp_remap_private): Remove
10032 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10033 (check_for_loop_decls): Update decl.
10034 (lookup_name_no_remap, c_omp_remap_private): Declare.
10035 (build_indirect_ref, build_modify_expr, pushdecl,
10036 pushdecl_top_level): Move to c-common.h.
10037 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10038 before the switch, but just in the 2 places that need it.
10039 * c-decl.c (diagnose_mismatched_decls): Do not check for
10040 mismatched thread-local attributes when OLDDECL is marked
10041 threadprivate and NEWDECL has no thread-local attributes.
10042 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10043 (c_gimple_diagnostics_recursively): Rename from
10044 c_warn_unused_result_recursively. Invoke
10045 diagnose_omp_structured_block_errors.
10046 (check_for_loop_decls): Return a singular decl found.
10047 * langhooks.c (lhd_omp_predetermined_sharing): Return
10048 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10049 (lhd_omp_firstprivatize_type_sizes): New.
10050 (lhd_omp_assignment): New.
10051 (lhd_omp_predetermined_sharing): New.
10052 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10053 (struct lang_hooks_for_types): Add
10054 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10055 omp_predetermined_sharing, omp_disregard_value_expr,
10056 omp_private_debug_clause, omp_clause_default_ctor,
10057 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10058 (c_finish_omp_clauses): New.
10059 (c_finish_bc_stmt): Diagnose break within omp for.
10060 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10061 (build_unary_op): Return error_mark after reporting
10063 (build_modify_expr): Likewise.
10064 * gimplify.c: Include optabs.h and pointer-set.h.
10065 (enum gimplify_omp_var_data): Declare.
10066 (struct gimplify_omp_ctx): Declare.
10067 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10069 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10070 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10071 (splay_tree_compare_decl_uid): New.
10072 (new_omp_context): New.
10073 (delete_omp_context): New.
10074 (gimple_add_tmp_var): Call omp_add_variable.
10075 (gimplify_bind_expr): Likewise.
10076 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10077 true, disregard DECL_VALUE_EXPR on the decl if any.
10078 (gimplify_expr_in_ctx): New.
10079 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10080 omp_add_variable, omp_notice_variable, omp_is_private
10081 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10082 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10083 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10084 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10085 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10086 gimplify_omp_atomic): New.
10087 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10088 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10089 OMP_CRITICAL and OMP_ATOMIC.
10090 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10091 * c-pragma.h (enum pragma_kind): Add
10092 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10093 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10094 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10095 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10096 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10097 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10098 PRAGMA_OMP_THREADPRIVATE.
10099 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10100 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10101 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10102 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10103 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10104 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10105 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10106 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10107 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10108 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10109 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10110 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10111 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10113 (struct nesting_info): Add field_map,
10114 suppress_expansion, debug_var_chain.
10115 (create_nesting_tree): Initialize them.
10116 (lookup_field_for_decl): Use field_map.
10117 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10118 (convert_local_omp_clauses): New.
10119 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10120 (walk_body): Split out of walk_function.
10121 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10122 (convert_nonlocal_reference): Handle omp statements.
10123 (convert_local_reference): Likewise.
10124 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10125 (unnest_nesting_tree): New.
10126 (lower_nested_functions): Call it.
10127 (insert_field_into_struct): Make extern.
10128 (struct walk_stmt_info): Move to tree-gimple.h.
10129 (walk_stmts): Make extern.
10130 * omp-builtins.def: New file.
10131 * tree-iterator.c (expr_only): Clarify comment.
10132 * c-common.h (pushdecl_top_level, pushdecl,
10133 build_modify_expr, build_indirect_ref,
10134 c_finish_omp_master, c_finish_omp_critical,
10135 c_finish_omp_ordered, c_finish_omp_barrier,
10136 c_finish_omp_atomic, c_finish_omp_flush,
10137 c_finish_omp_for, c_split_parallel_clauses,
10138 omp_clause_default_kind, c_omp_sharing_predetermined,
10139 c_omp_remap_decl): Declare.
10140 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10141 (OBJS-common): Add omp-low.o.
10142 (c-omp.o, omp-low.o): Add.
10143 (gimplify.o): Add dependency on $(OPTABS_H).
10144 (GTFILES): Add omp-low.c.
10145 (gt-stringpool.h): Add.
10146 * tree-cfg.c (set_bb_for_stmt): Do not update the
10147 block-to-labels map if we are currently expanding to RTL.
10148 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10150 Handle IDENTIFIER_NODE.
10151 (tree_verify_flow_info): Do not ICE when emitting error
10152 messages about invalid labels.
10153 (dump_function_to_file): Reset CFUN before emitting the body
10155 (debug_function): New.
10156 * passes.c (init_optimization_passes): Schedule
10158 * langhooks-def.h (lhd_omp_predetermined_sharing,
10159 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10161 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10162 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10163 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10164 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10165 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10166 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10167 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10168 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10169 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10170 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10171 (LANG_HOOK_DECLS): Use them.
10173 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10174 Richard Henderson <rth@redhat.com>
10175 Jakub Jelinek <jakub@redhat.com>
10176 Diego Novillo <dnovillo@redhat.com>
10178 * c-parser.c (pragma_omp_clause): Define.
10179 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10180 (c_parser_compound_statement): Likewise.
10181 (c_parser_statement): Likewise.
10182 (c_parser_pragma): Handle omp pragmas.
10183 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10184 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10185 (c_parser_omp_clause_name, check_no_duplicate_clause,
10186 c_parser_omp_variable_list,
10187 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10188 c_parser_omp_clause_copyprivate,
10189 c_parser_omp_clause_default,
10190 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10191 c_parser_omp_clause_lastprivate,
10192 c_parser_omp_clause_nowait,
10193 c_parser_omp_clause_num_threads,
10194 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10195 c_parser_omp_clause_reduction,
10196 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10197 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10198 c_parser_omp_atomic, c_parser_omp_barrier,
10199 c_parser_omp_critical, c_parser_omp_flush,
10200 c_parser_omp_for_loop, c_parser_omp_for,
10201 c_parser_omp_master, c_parser_omp_ordered,
10202 c_parser_omp_sections_scope, c_parser_omp_sections,
10203 c_parser_omp_parallel, c_parser_omp_single,
10204 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10205 * c-pragma.c (init_pragma): Do omp pragma registration here.
10206 * c.opt (fopenmp): New flag.
10208 2006-01-18 Eric Christopher <echristo@apple.com>
10210 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10211 * config/darwin.h (GOMP_SELF_SPECS): Define.
10213 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10215 * rtl.h: Remove the prototype for reg_alloc.
10217 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10220 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10221 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10222 sjlj and dwarf2 exception handling.
10223 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10224 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10225 * pa/pa.c (function_value): Treat complex and vector types as
10227 (function_arg): Likewise. Only pass scalar floats in the floating
10228 point argument registers.
10229 * pa/t-slibgcc-dwarf-ver: New file.
10230 * pa/t-slibgcc-sjlj-ver: New file.
10231 * pa/t-slibgcc-elf-ver: Delete file.
10233 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10235 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10236 unlikely_test_section_p test.
10238 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10240 * mode-switching.c (optimize_mode_switching): Make it static.
10241 * basic-block.h: Remove the prototype for
10242 optimize_mode_switching.
10244 * modulo-sched.c (sms_schedule): Make it static.
10245 * rtl.h: Remove the prototype for sms_schedule.
10247 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10248 * rtl.h: Remove the prototype for gcse_after_reload_main.
10250 * reg-stack.c (reg_to_stack): Make it static.
10251 * rtl.h: Remove the prototype for reg_to_stack.
10253 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10255 * rtl.h: Remove the prototypes for regrename_optimize and
10256 copyprop_hardreg_forward.
10258 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10260 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10261 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10262 Test against the appropriate null constant for the mode.
10263 If 'fixup_overlap' is true, swap the operands if they overlap.
10264 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10265 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10266 alpha_split_tmode_pair and adjust for above change.
10267 * config/alpha/alpha.md (movtf_internal): Adjust call to
10268 alpha_split_tfmode_pair and rely on it to swap the operands.
10269 (movti_internal): New insn and post-reload splitter.
10270 (movti): New expander.
10272 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10274 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10277 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10279 * rtlanal.c (global_reg_mentioned_p_1,
10280 global_reg_mentioned_p): Remove.
10281 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10283 * flow.c (initialize_uninitialized_subregs): Make it static.
10284 * rtl.h: Remove the prototype for
10285 initialize_uninitialized_subregs.
10287 * function.c (instantiate_virtual_regs): Make it static.
10288 * function.h: Remove the prototype for
10289 instantiate_virtual_regs.
10291 * regmove.c (regmove_optimize, combine_stack_adjustments):
10293 * rtl.h: Remove the prototypes for regmove_optimize and
10294 combine_stack_adjustments.
10296 2006-01-17 Roger Sayle <roger@eyesopen.com>
10298 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10299 (size_cost): Encode costs in bytes so that a reg-reg addition is
10300 equivalent to COSTS_N_INSNS(1).
10301 (override_options): Use the size_cost.branch_cost as the default
10302 ix86_branch_cost when optimizing for size.
10304 2006-01-18 Ben Elliston <bje@au.ibm.com>
10306 * Makefile.in (D32PBIT_FUNCS): New.
10307 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10308 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10309 D64PBIT_FUNCS and D128PBIT_FUNCS.
10310 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10311 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10313 (decnumber_dep): Define.
10314 * doc/libgcc.texi (Decimal float library routines): New node.
10315 * config/dfp-bit.h, config/dfp-bit.c: New files.
10317 2006-01-18 Ben Elliston <bje@au.ibm.com>
10319 * expr.c (emit_move_change_mode): Always adjust addresses, not
10320 just during reload. Copy replacements only during reload.
10321 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10322 emit_move_via_integer.
10324 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10326 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10327 instead of $(srcdir) and ${srcdir}.
10329 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10332 PR middle-end/11135
10333 * arm.h (struct machine_function): Add pic_reg.
10334 * arm.c (arm_pic_register): Make unsigned.
10335 (arm_override_options): Only set arm_pic_register if
10336 TARGET_SINGLE_PIC_BASE.
10337 (use_return_insn): Only test for a pic register if it is fixed.
10338 (arm_compute_save_reg0_reg12_mask): Likewise.
10339 (thumb_compute_save_reg_mask): Likewise.
10340 (legitimate_pic_operand): Factor out some known invariants.
10341 (legitimize_pic_address): If we don't have a fixed pic register,
10342 then set up a pseudo in the function entry sequence. Handle the
10343 pic base being in a pseudo.
10344 (arm_load_pic_register): Handle the pic register being in a pseudo.
10345 (arm_expand_prologue): Only set up the pic register if it is fixed.
10346 (thumb_expand_prologue): Likewise.
10347 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10348 (pic_load_addr_based_insn): Likewise.
10349 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10352 2006-01-18 Ben Elliston <bje@au.ibm.com>
10354 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10355 decimal float modes for all floating point registers.
10357 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10358 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10360 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10363 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10364 even when the pointer is not NULL.
10366 2006-01-16 Ian Lance Taylor <ian@airs.com>
10368 * common.opt (ftoplevel-reorder): New option.
10369 * cgraph.c (cgraph_asm_nodes): New global variable.
10370 (cgraph_asm_last_node): New static variable.
10371 (cgraph_order): New global variable.
10372 (cgraph_create_node): Set new order field.
10373 (cgraph_varpool_node): Likewise.
10374 (decide_is_variable_needed): Return true if not
10375 flag_toplevel_reorder.
10376 (cgraph_add_asm_node): New function.
10377 * cgraph.h (struct cgraph_node): Add order field.
10378 (struct cgraph_varpool_node): Add order field.
10379 (struct cgraph_asm_node): Define.
10380 (cgraph_asm_nodes, cgraph_order): Declare.
10381 (cgraph_add_asm_node): Declare.
10382 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10384 (cgraph_varpool_assemble_pending_decls): Call it.
10385 (cgraph_output_pending_asms): New static function.
10386 (cgraph_finalize_compilation_unit): Call it.
10387 (struct cgraph_order_sort): Define.
10388 (cgraph_output_in_order): New static function.
10389 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10390 !flag_toplevel_reorder case.
10391 * c-parser.c: Include "cgraph.h".
10392 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10394 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10395 than -fno-unit-at-a-time.
10396 * doc/invoke.texi (Option Summary): Mention
10397 -fno-toplevel-reorder.
10398 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10399 -funit-at-a-time documentation.
10401 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10402 Kazu Hirata <kazu@codesourcery.com>
10404 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10406 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10408 * Makefile.in (FUNCTION_H): New. Use it instead of
10409 function.h throughout the file.
10410 * function.h: Include tree.h.
10412 2006-01-17 Ben Elliston <bje@au.ibm.com>
10414 * recog.c: Separate some functions with whitespace.
10416 2006-01-16 Richard Henderson <rth@redhat.com>
10418 Merge from gomp branch:
10419 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10420 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10421 and rename from struct inline_data. Rename callee* to dst*;
10422 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10423 transform_new_cfg, transform_return_to_modify, and
10424 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10426 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10427 (copy_decl_for_dup): Remove.
10428 * tree-inline.c (struct inline_data): Move to header.
10429 (insert_decl_map): Export.
10430 (remap_decl): Update for member name changes. Use copy_decl hook.
10431 Allow for replacement to be a non-decl. Remove dead code.
10432 (remap_type_1): Check for existing mapping.
10433 (remap_type): Export.
10434 (remap_decls): Update for member name changes.
10435 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10436 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10437 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10438 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10439 (tree_function_versioning, build_duplicate_type): Likewise.
10440 (copy_body_r): Likewise. Export.
10441 (copy_decl_for_dup): Split into ...
10442 (copy_decl_for_dup_finish, copy_decl_to_var,
10443 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10444 (replace_ref_tree, inlining_p): Remove.
10446 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10448 * ifcvt.c (if_convert): Make it static.
10449 * rtl.h: Remove the prototype for if_convert.
10451 * local-alloc.c (local_alloc): Make it static.
10452 * rtl.h: Remove the prototype for local_alloc.
10454 * loop.c (loop_optimize): Make it static.
10455 * cfgloop.h: Remove the prototype for loop_optimize.
10458 2006-01-16 DJ Delorie <dj@redhat.com>
10460 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10463 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10465 * pa.md: Disparage copies between general and floating-point registers
10466 in 32-bit move patterns.
10468 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10471 * Makefile.in (check-%): Depend on site.exp instead of
10472 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10475 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10477 * global.c (global_alloc): Make it static.
10478 * rtl.h: Remove the prototype for global_alloc.
10480 2006-01-16 Richard Guenther <rguenther@suse.de>
10482 * tree-ssa-alias.c (struct used_part): Add write_only field.
10483 (get_or_create_used_part_for): Initialize it to true.
10484 (create_overlap_variables_for): Don't create structure variables
10485 for structures that only are written to.
10486 (find_used_portions): Handle MODIFY_EXPR to track whether a
10487 structure is only written to.
10489 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10491 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10493 * basic-block.h: Remove the prototype for
10494 partition_hot_cold_basic_blocks.
10496 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10498 * cppspec.c (lang_specific_spec_functions): Remove.
10499 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10500 * gcc.h (lang_specific_spec_functions): Remove.
10501 * gccspec.c (lang_specific_spec_functions): Remove.
10503 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10505 * combine.c (record_value_for_reg): Invalidate registers
10507 (record_dead_and_set_regs_1): Likewise, by passing them to
10508 record_value_for_reg.
10509 (record_dead_and_set_regs): Invalidate stores made by a
10510 call. We do not combine across a call, but we still
10511 relied on equivalences.
10513 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10515 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10516 vrp_int_const_binop returning non-constant nodes.
10518 2006-01-16 Paul Brook <paul@codesourcery.com>
10520 * config/m68k/m68k.c (output_move_const_into_data_reg):
10521 Output correct mnemonic for mvz and mvs.
10523 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10525 * rtl-factoring.c: Add sequence abstraction algorithm.
10526 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10527 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10529 (block_has_preserve_label): New function.
10530 * common.opt: Register new pass.
10531 * Makefile.in: Ditto.
10533 * timevar.def: Ditto.
10534 * tree-pass.h: Ditto.
10535 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10536 * rtl.h (make_jump_insn_raw): Add forward decl.
10537 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10539 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10540 Roger Sayle <roger@eyesopen.com>
10542 * fold-const.c (fold_minmax): New static function.
10543 (fold_binary) <MIN_EXPR>: Call it.
10544 <MAX_EXPR>: Likewise.
10545 * stor-layout.c (place_field): Use DECL_SIZE consistently
10546 in the computation of the new record size.
10548 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10550 * cse.c (cse_condition_code_reg): Make it static.
10551 * rtl.h: Remove the prototype for cse_condition_code_reg.
10553 * combine.c (combine_instructions): Make it static.
10554 * rtl.h: Remove the prototype for combine_instructions.
10556 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10559 * tree.c (get_file_function_name_long): Concatenate the first global
10560 object name with a string derived from the input filename of the object
10563 2006-01-16 Ben Elliston <bje@au.ibm.com>
10565 * config/i386/winnt-stubs.c: Update FSF address.
10566 * config/xtensa/ieee754-df.S: Ditto.
10567 * config/xtensa/ieee754-sf.S: Ditto.
10569 2006-01-14 Ian Lance Taylor <ian@airs.com>
10571 * ifcvt.c (noce_init_if_info): New static function, broken out of
10572 noce_process_if_block.
10573 (noce_process_if_block): Call noce_init_if_info.
10574 (check_cond_move_block): New static function.
10575 (cond_move_process_if_block): New static function.
10576 (process_if_block): Call cond_move_process_if_block.
10578 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10580 * cselib.c (hash_table): Rename to cselib_hash_table.
10581 (cselib_clear_table, discard_useless_values,
10582 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10583 cselib_init, cselib_finish): Adjust uses of hash_table.
10585 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10587 PR tree-optimization/25485
10588 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10589 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10590 is known to be false and true, respectively.
10592 2006-01-14 Richard Guenther <rguenther@suse.de>
10594 PR tree-optimization/22548
10595 PR tree-optimization/22555
10596 PR tree-optimization/22501
10597 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10598 * params.def (salias-max-array-elements): New parameter.
10599 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10600 * doc/invoke.texi (salias-max-array-elements): Document.
10601 * tree-flow-inline.h (var_can_have_subvars): We also handle
10603 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10605 * tree-ssa-structalias.c (params.h): Include.
10606 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10607 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10608 (get_constraint_for): For ADDR_EXPR operating on something
10609 containing an ARRAY_REF, add all subvars to the solution.
10610 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10611 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10612 for creating MUST_DEFs.
10613 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10615 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10617 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10619 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10620 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10621 number_of_iterations_le): New functions.
10622 (number_of_iterations_special): Removed.
10623 (number_of_iterations_exit): Do not use number_of_iterations_special.
10624 * tree.c (unsigned_type_for): Always return integer type.
10626 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10627 Richard Guenther <rguenther@suse.de>
10629 PR rtl-optimization/24257
10630 * gcse.c (find_moveable_store): Only consider a store movable
10631 when the SET_SRC of the insn can be assigned to a register.
10633 2006-01-14 Ian Lance Taylor <ian@airs.com>
10635 * tree.c (tree_not_class_check_failed): New function.
10636 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10637 (tree_not_class_check_failed): Declare.
10639 2006-01-13 Ian Lance Taylor <ian@airs.com>
10641 * reload1.c (do_output_reload): Add assertion rejecting a
10644 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10646 * combine.c (struct reg_stat): Add new fields truncation_label and
10648 (record_value_for_reg): Reset truncated_to_mode.
10649 (record_truncated_value): New function.
10650 (check_promoted_subreg): Call it. Rename to check_conversions.
10651 (combine_instructions): Rename check_promoted_subreg to
10653 (reg_truncated_to_mode): New function.
10654 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10655 (gen_lowpart_or_truncate): New function.
10656 (force_to_mode): Use it instead of gen_lowpart.
10658 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10660 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10661 VAR is a tag, not its type tag.
10663 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10665 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10666 alternatives to match style of other entries.
10667 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10669 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10671 PR tree-optimization/25771
10672 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10675 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10678 * tree-inline.c (declare_return_variable): If the return variable
10679 was marked as a non gimple complex, set the return slot variable
10680 to be a non gimple comple variable.
10682 2006-01-13 Richard Guenther <rguenther@suse.de>
10684 * builtins.c (expand_builtin_sincos): New function.
10685 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10687 (expand_builtin): Expand sincos using expand_builtin_sincos.
10689 2006-01-12 DJ Delorie <dj@redhat.com>
10691 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10692 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10693 so that constant shifts can be split.
10694 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10695 (m32c_valid_pointer_mode): Make static.
10696 (shift_gen_func_for): New.
10697 (m32c_prepare_shift): Use it. Split large const shifts into
10699 * config/m32c/predicates.md (shiftcount_operand): Allow more
10701 (longshiftcount_operand): New.
10702 * doc/md.texi (Machine Constraints): Document In6.
10704 2006-01-13 Ben Elliston <bje@au.ibm.com>
10706 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10707 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10710 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10712 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10713 to try to avoid clobbering pieces of structures when we know
10714 something about the whole structure.
10715 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10717 2006-01-13 Ben Elliston <bje@au.ibm.com>
10719 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10720 return in memory, as this is no limitation is no longer present.
10722 2006-01-12 DJ Delorie <dj@redhat.com>
10724 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10725 mova with fb, and for fb+0 -> An.
10727 * config/m32c/mov.md (peephole2): Fix enabling logic.
10729 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10730 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10731 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10732 FINI_ARRAY_SECTION_ASM_OP): Define.
10734 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10736 (m32c_legitimize_reload_address): New logic to reload FB to An.
10737 (m32c_output_reg_push): Add newline.
10738 (m32c_output_reg_pop): Likewise.
10740 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10742 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10744 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10746 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10748 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10750 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10753 2006-01-11 Ben Elliston <bje@au.ibm.com>
10755 * rtlanal.c (find_reg_note): Assert insn is not null.
10757 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10759 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10762 2006-01-11 Jeff Law <law@redhat.com>
10764 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10766 (mark_threaded_blocks, register_jump_thread): New functions.
10767 (thread_through_all_blocks): Remove unwanted argument. No
10768 longer rely on e->aux to communicate thread target info.
10769 Call mark_threaded_blocks. Release the threaded_blocks
10770 bitmap and threaded_edges vector when complete.
10771 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10772 (threaded_blocks): Remove.
10773 (tree_ssa_dominator_optimize): Remove initialization and
10774 finalization of threaded_blocks. Simplify call to
10775 thread_through_all_blocks.
10776 (thread_across_edge): Call register_jump_thread rather than
10777 storing thread information into e->aux.
10778 (free_all_edge_infos): Simplify now that e->aux is no longer
10779 used to communicate with thread_through_all_blocks.
10780 * tree-flow.h (thread_through_all_blocks): Update prototype.
10781 (register_jump_thread): Prototype.
10783 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10785 * df-core.c (df_compact_blocks, df_bb_replace): Use
10786 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10788 2006-01-11 Richard Guenther <rguenther@suse.de>
10790 PR tree-optimization/25734
10791 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10792 stop propagation after successful propagation to the LHS.
10794 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10796 * basic-block.h (control_flow_graph): Change the type of
10797 x_basic_block_info to VEC(basic_block,gc) *.
10798 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10800 (SET_BASIC_BLOCK): New.
10801 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10802 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10803 * cfgbuild.c (find_basic_blocks): Likewise.
10804 * cfglayout.c (fixup_reorder_chain): Likewise.
10805 * cfgrtl.c (create_basic_block_structure,
10806 rtl_create_basic_block): Likewise.
10807 * ifcvt.c (find_if_case_1): Likewise.
10808 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10811 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10813 * Makefile.in: Removed rotted odf.c entry.
10815 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10818 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10819 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10820 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10821 output pattern modifier, not %e.
10822 * config/cris/cris.c (cris_op_str): Update comment about pattern
10824 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10825 before falling through into...
10826 <case 'E'>: Redefined from old 'e' case.
10828 2006-01-11 Jan Hubicka <jh@suse.cz>
10831 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10833 2006-01-11 Jan Hubicka <jh@suse.cz>
10835 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10836 * i386.c (x86_decompose_lea): Kill.
10837 (ix86_rtx_costs): Kill.
10839 2006-01-11 Jan Hubicka <jh@suse.cz>
10841 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10842 * cgraph.h (cgraph_node): Add inline_decl.
10843 (cgraph_insert_node_to_hashtable): Declare.
10844 (save_inline_function_body): Declare.
10845 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10847 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10848 (cgraph_function_versioning): Update call of tree_function_versioning.
10849 (save_inline_function_body): New function.
10850 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10851 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10852 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10853 (cgraph_default_inline_p): Likewise.
10854 (cgraph_decide_inlining_incrementally): Likewise.
10855 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10856 (copy_bb): Kill saving; do updating of clones.
10857 (copy_cfg_body): Kill saving.
10858 (initialize_inlined-parameters): Likewise.
10859 (expand_call_inline): Likewise.
10861 (tree_function_versioning): New parameter "update_clones".
10862 (inlining_p): Kill saving.
10863 * tree-inline.h (tree_function_versioning): Update prototype.
10864 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10867 2006-01-11 Ian Lance Taylor <ian@airs.com>
10869 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10870 Allow undoing set of machine mode.
10871 (do_SUBST): Use enums instead of is_int.
10872 (do_SUBST_MODE): New function.
10873 (SUBST_MODE): New macro.
10874 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10875 reg and trying to replace reg_regno_rtx with a new register.
10876 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10877 (simplify_set): Use SUBST_MODE.
10878 (distribute_notes): Remove code that tried to update reg notes
10879 for regno_reg_rtx changes.
10881 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10883 PR tree-optimization/23109
10884 PR tree-optimization/23948
10885 PR tree-optimization/24123
10887 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10888 * tree-cfg.c (single_noncomplex_succ): New.
10889 * tree-flow.h (single_noncomplex_succ): Declare it.
10890 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10891 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10892 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10893 insert_bb, register_division_in, insert_reciprocals,
10894 replace_reciprocal, free_bb): New.
10895 (execute_cse_reciprocals_1): Rewritten.
10896 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10897 Do not commit any edge insertion. Always compute dominators and
10898 create the allocation pool.
10899 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10900 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10901 * targhooks.c (default_min_divistions_for_recip_mul): New.
10902 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10903 * passes.c (init_optimization_passes): Run recip after tree loop
10905 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10907 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10908 Kenneth Zadeck <zadeck@naturalbridge.com>
10910 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10911 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10912 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10913 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10914 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10915 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10916 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10917 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10918 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10919 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10920 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10921 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10922 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10923 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10924 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10925 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10926 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10927 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10928 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10929 DF_SCAN_POST_ALLOC): New macros.
10930 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10931 df_free_bb_function, df_local_compute_function, df_init_function,
10932 df_dataflow_function, df_confluence_function_0,
10933 df_confluence_function_n, df_transfer_function,
10934 df_finalizer_function, df_free_function, df_dump_problem_function,
10935 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10936 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10937 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10938 df_urec_bb_info, ) New types.
10939 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10941 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10942 df_analyze_simple_change_some_blocks,
10943 df_analyze_simple_change_one_block, df_compact_blocks,
10944 df_bb_replace, df_bb_regno_last_use_find,
10945 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10946 df_insn_regno_def_p, df_find_def, df_find_use,
10947 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10948 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10949 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10950 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10951 debug_df_chain, df_get_dependent_problem, df_chain_create,
10952 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10953 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10954 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10955 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10956 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10957 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10958 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10959 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10960 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10961 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10962 df_reorganize_refs, df_set_state, df_hard_reg_init,
10963 df_read_modify_subreg_p) New public functions.
10964 * df-core.c: The core dataflow solver and glue routines for rtl
10966 (df_init, df_add_problem, df_set_blocks, df_finish,
10967 df_hybrid_search_forward, df_hybrid_search_backward,
10968 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10969 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10970 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10971 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10972 df_reg_defined, df_find_use, df_reg_used, df_dump,
10973 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10974 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10975 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10976 debug_df_useno, reset_df_after_reload): New functions.
10977 * df-scan.c: The scanning fuctions, once in df.c, completely
10978 rewritten so that they now fully model the functionality of
10979 register usage at the backend.
10980 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10981 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10982 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10983 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10984 df_get_artificial_defs, df_get_artificial_uses,
10985 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10986 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10987 df_refs_delete, df_reorganize_refs, df_set_state,
10988 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10989 df_def_record_1, df_defs_record, df_uses_record,
10990 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10991 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10992 df_record_exit_block_uses, df_hard_reg_init): New functions.
10994 * df-problems.c: Seven concrete dataflow problems that use the
10995 scanning in df-scan.c and are solved by the engine in df-core.c.
10996 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10997 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10998 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10999 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11000 df_ru_free_bb_info, df_ru_alloc,
11001 df_ru_bb_local_compute_process_def,
11002 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11003 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11004 df_ru_transfer_function, df_ru_free, df_ru_dump,
11005 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11006 df_rd_free_bb_info, df_rd_alloc,
11007 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11008 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11009 df_rd_transfer_function, df_rd_free, df_rd_dump,
11010 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11011 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11012 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11013 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11014 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11015 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11016 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11017 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11018 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11019 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11020 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11021 df_urec_mark_reg_use_for_earlyclobber,
11022 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11023 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11024 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11025 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11026 df_chain_create_bb_process_use, df_chain_create_bb,
11027 df_chain_finalize, df_chain_free, df_chains_dump,
11028 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11029 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11030 df_reg_lifetime): New functions.
11031 * df.c: Deleted file.
11032 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11033 consistent with new df api.
11034 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11035 rest_of_handle_sms): Ditto.
11036 * web.c (unionfind_union, union_defs, entry_register, web_main):
11038 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11039 invariant_expr_equal_p, find_defs, check_dependencies,
11040 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11041 free_inv_motion_data, move_loop_invariants): Ditto.
11042 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11043 Update dependencies.
11044 (odf.c): Added defective entry that was deleted later in day.
11045 * sched-deps.c (sched_analyze_1): Ditto.
11047 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11049 * tree-ssa-operands.c (get_expr_operands): Record addressable
11050 variables directly. Do not call add_stmt_operands for CONST_DECLs
11052 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11053 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11055 2006-01-11 Ben Elliston <bje@au.ibm.com>
11057 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11058 function returns true in the positive case.
11060 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11063 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11064 for SI, DI, SF and DF modes. Add alternatives to copy between
11065 general and floating point registers to the 32-bit patterns.
11066 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11067 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11068 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11069 generating 64-bit code.
11070 * config/pa/pa.c (output_move_double): Handle copies between general
11071 and floating registers.
11073 2006-01-10 Stuart Hastings <stuart@apple.com>
11075 * config/i386/i386.md (set_got): Update.
11076 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11077 (builtin_setjmp_receiver): Mach-O support.
11078 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11079 (GOT_SYMBOL_NAME): Define.
11080 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11081 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11082 * config/i386/i386.c (override_options): Revise for Darwin.
11083 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11084 support. (darwin_x86_file_end): New. (output_set_got): Add label
11085 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11086 * config/i386/i386-protos.h (output_set_got): Likewise.
11087 * config/darwin.c (machopic_legitimize_pic_address): Update
11090 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11092 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11093 when MODE isn't BLKmode.
11095 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11097 PR rtl-optimization/25367
11098 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11100 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11103 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11104 for a negative bound.
11106 2006-01-10 Richard Guenther <rguenther@suse.de>
11108 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11109 Never override with anything constraint.
11111 2006-01-10 Jan Beulich <jbeulich@novell.com>
11113 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11114 256 bits when optimize_size.
11116 2006-01-10 Jan Beulich <jbeulich@novell.com>
11118 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11120 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11121 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11124 2006-01-10 Ben Elliston <bje@au.ibm.com>
11126 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11128 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11129 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11130 (USE_FP_FOR_ARG): Reject decimal float modes.
11131 (function_arg_advance): Likewise.
11132 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11133 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11134 point types in AltiVec vectors.
11135 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11136 (rs6000_libcall_value): Likewise.
11138 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11140 * config/xtensa/ieee754-df.S: New file.
11141 * config/xtensa/ieee754-sf.S: New file.
11142 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11143 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11144 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11146 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11148 * config/sh/predicates.md (binary_float_operator,
11149 binary_logical_operator, commutative_float_operator,
11150 equality_comparison_operator, greater_comparison_operator,
11151 less_comparison_operator, logical_operator,
11152 noncommutative_float_operator, shift_operator,
11153 symbol_ref_operand, unary_float_operator): Remove redundant
11156 2006-01-09 Jeff Law <law@redhat.com>
11158 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11159 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11160 now unused arguments. Callers updated.
11161 (eliminate_redundant_computations): Remove now unused arguments,
11163 (local_fold): Remove, no longer used.
11164 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11166 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11167 (simplify_cond): New function.
11168 (forward_propagate_into_cond): Call simplify_cond.
11170 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11172 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11173 (*vec_extractv2di_1_sse): New.
11175 2006-01-09 Ben Elliston <bje@au.ibm.com>
11177 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11179 2006-01-08 Richard Guenther <rguenther@suse.de>
11181 * tree-ssa-structalias.c (get_constraint_for): Remove
11182 anyoffset argument.
11183 (get_constraint_for_component_ref): Likewise.
11184 (do_deref): Likewise.
11185 (get_constraint_for): Likewise.
11186 (do_structure_copy): Likewise.
11187 (handle_ptr_arith): Likewise.
11188 (find_func_aliases): Likewise. Remove unused need_anyoffset
11191 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11192 Kaz Kojima <kkojima@gcc.gnu.org>
11194 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11195 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11196 (EXTRA_CONSTRAINT_C16): Remove.
11197 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11198 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11199 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11200 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11201 constants of SHmedia. Handle nested constant expressions of
11203 (andcosts): Fix the costs for SHmedia constants.
11204 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11205 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11206 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11207 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11208 (movv4hi_i, movv2si_i): Likewise.
11209 (movsi_const): Adjust the second operand of ior so to match with
11210 the Csu constraint.
11211 (movdi_const, movdi_const_32bit): Likewise.
11212 (movdi_const_16bit+1): Don't sign-extend LOW.
11213 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11215 (*double_shori): Fix the split condition. Use GEN_INT instead
11216 of get_int_mode calls. Mask lower 16-bit of the argument of
11218 (sym2GOTPLT): Remove.
11219 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11221 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11222 instead of EXTRA_CONSTRAINT_C16.
11224 2006-01-07 Ian Lance Taylor <ian@airs.com>
11225 David Edelsohn <edelsohn@gnu.org>
11227 PR rtl-optimization/25662
11228 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11229 for constant operands instead of simplify_gen_binary.
11230 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11231 after trying simplify_binary_operation
11233 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11235 * tree.c (iterative_hash_expr): Hash decls based on UID.
11237 2006-01-06 Eric Christopher <echristo@apple.com>
11239 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11240 (TARGET_UNWIND_EMIT): Fix spelling.
11241 * target.h (gcc_target): Add except_table_label.
11242 * except.c (output_function_exception_table): Use.
11243 * varasm.c (default_emit_except_table_label): New.
11244 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11246 (asm_out): Add here.
11247 * output.h (default_emit_except_table_label): Prototype.
11248 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11249 * config/darwin.c (darwin_emit_except_table_label): Define.
11250 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11252 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11254 PR tree-optimization/18527
11255 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11256 number_of_iterations_special, number_of_iterations_exit):
11257 Move base and step of an iv to a single structure. Add
11258 no_overflow flag, and use it in # of iterations analysis.
11259 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11260 folded_casts argument.
11261 (simple_iv): Pass base and step in a structure. Set no_overflow
11263 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11264 Evaluate expensiveness of computing # of iterations instead of
11265 the final expression.
11266 * tree-scalar-evolution.h (affine_iv): New structure.
11267 (simple_iv): Declaration changed.
11268 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11269 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11270 find_givs_in_stmt): Changed due to simple_iv change.
11272 2006-01-06 Jeff Law <law@redhat.com>
11275 * tree-cfg.c (bsi_replace): Rename final argument from
11276 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11277 change (stmt -> orig_stmt).
11278 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11279 (bsi_remove): Add new argument. Remove EH information
11281 (verify_eh_throw_table_statements): New function.
11282 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11284 * tree-optimize.c (execute_free_cfg_annotations): Verify
11285 the EH throw statement table after removing annotations.
11286 * except.h (verify_eh_throw_table_statements): Prototype.
11287 * tree-flow.h (bsi_remove): Update prototype.
11288 * tree-vrp.c (remove_range_assertions): Add new argument to
11290 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11291 * tree-complex.c (expand_complex_div_wide): Likewise.
11292 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11293 * tree-tailcall.c (eliminate_tailcall): Likewise.
11294 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11295 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11296 * tree-nrv.c (tree_nrv): Likewise.
11297 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11298 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11299 (combine_blocks): Likewise.
11300 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11301 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11302 (cleanup_control_flow): Likewise.
11303 (remove_forwarder_block): Likewise.
11304 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11305 * tree-sra.c (sra_replace): Likewise.
11306 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11307 (forward_propagate_single_use_vars): Likewise.
11308 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11309 * tree-inline.c (expand_call_inline): Likewise.
11310 * tree-vect-transform.c (vect_transform_loop): Likewise.
11311 * tree-outof-ssa.c (rewrite_trees): Likewise.
11312 * tree-cfg.c (make_goto_expr_edges): Likewise.
11313 (cleanup_dead_labels): Likewise.
11314 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11315 (bsi_move_before, bsi_move_after): Likewise.
11316 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11317 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11319 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11322 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11324 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11325 on non gimple variables. Also add checks at the top for decls and
11327 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11329 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11330 and IMAGPART_EXPR for creating MUST_DEFs.
11331 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11332 and NAME_MEMORY_TAG separately from the DECLs.
11334 2006-01-06 Richard Guenther <rguenther@suse.de>
11336 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11337 annotation, if necessary.
11338 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11339 redundant calls to update_stmt.
11340 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11343 2006-01-05 Richard Henderson <rth@redhat.com>
11345 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11347 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11349 * c-typeck.c: Update copyright date.
11351 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11353 * c-typeck.c (build_c_cast): Always warn when casting
11354 from a pointer to an integer of different size, even if
11355 the node was constant.
11357 2006-01-05 Richard Guenther <rguenther@suse.de>
11359 PR tree-optimization/22555
11360 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11361 if one structure field is an array.
11362 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11363 operands even if we found a subvar, but ignore VOPs in this
11365 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11367 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11369 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11371 PR middle-end/24998
11372 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11374 2006-01-05 Richard Guenther <rguenther@suse.de>
11375 Diego Novillo <dnovillo@redhat.com>
11377 * tree-pass.h (TODO_remove_unused_locals): Define.
11378 * gimple-low.c (expand_var_p, remove_useless_vars,
11379 pass_remove_useless_vars): Remove. Update all users.
11380 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11381 (remove_unused_locals): New function.
11382 * tree-flow.h (remove_unused_locals): Declare.
11383 * passes.c (execute_todo): Call remove_unused_locals if
11384 TODO_remove_unused_locals is set.
11385 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11386 * tree-ssa-dce.c (pass_dce): Likewise.
11387 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11389 2006-01-05 Richard Guenther <rguenther@suse.de>
11391 * tree-flow.h (struct fieldoff): Decompose field to
11392 type, size and decl.
11393 * tree-ssa-alias.c (create_sft): Take type as parameter.
11394 (create_overlap_variables_for): Store type, size and decl
11395 in the fieldoff structure.
11396 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11397 of struct fieldoff.
11398 (push_fields_onto_fieldstack): Likewise.
11399 (create_variable_info_for): Likewise. Use offset for the
11400 SFT name if the decl is not available.
11402 2006-01-04 Paul Brook <paul@codesourcery.com>
11404 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11406 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11408 * lambda-code.c (can_put_in_inner_loop): Relax
11410 (can_put_after_inner_loop): New function.
11411 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11412 (perfect_nestify): Change to make copies and modify uses.
11414 2006-01-04 Richard Henderson <rth@redhat.com>
11416 Merge from gomp branch:
11417 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11418 via integer constant.
11419 (pragma_lex): Remove.
11420 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11421 rather than parsing it.
11422 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11423 handle_pragma_extern_prefix): Add %< %> quotes.
11424 (registered_pragmas): New.
11425 (c_register_pragma_1): New.
11426 (c_register_pragma): Use it.
11427 (c_register_pragma_with_expansion): Likewise.
11428 (c_invoke_pragma_handler): New.
11429 (init_pragma): Use cpp_register_deferred_pragma directly for
11431 * c-pragma.h (enum pragma_kind): New.
11432 (pragma_handler): New.
11433 (c_invoke_pragma_handler): Declare.
11434 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11436 * c-common.h (c_common_pch_pragma): Update decl.
11437 * Makefile.in (c-parser.o): Update dependencies.
11438 (GTFILES): Add c-pragma.h.
11439 * c-parser.c (struct c_token): Add pragma_kind.
11440 (struct c_parser): Add in_pragma.
11441 (c_lex_one_token): Always initialize keyword and pragma_kind.
11442 Extract data for CPP_PRAGMA.
11443 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11444 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11445 Don't allow CPP_PRAGMA_EOL if in_pragma.
11446 (c_parser_consume_pragma): New.
11447 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11448 (c_parser_skip_to_end_of_parameter): Likewise.
11449 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11450 (c_parser_skip_to_pragma_eol): New.
11451 (c_parser_external_declaration): Handle CPP_PRAGMA.
11452 (c_parser_compound_statement_nostart): Likewise.
11453 (c_parser_statement_after_labels): Likewise.
11454 (c_parser_pragma): New.
11455 (pragma_lex): Likewise.
11456 (c_parser_pragma_pch_preprocess): New.
11457 (c_parser_new): Merge into ...
11458 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11460 2006-01-04 Jeff Law <law@redhat.com>
11463 * tree-cfg.c (bsi_replace): Remove the original statement
11464 from the EH throw statement table.
11466 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11468 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11469 make the prototype extern "C" and add throw ().
11472 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11473 and pos non-negative and pos + len <= 32.
11474 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11475 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11476 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11479 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11480 as well as sizes not multiple of component size.
11483 * function.c (instantiate_expr): New function.
11484 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11485 walk its DECL_VALUE_EXPR with instantiate_expr.
11487 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11488 DW_OP_deref{,_size} if address isn't going to be added.
11490 2006-01-04 Ben Elliston <bje@au.ibm.com>
11492 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11493 * config/fp-bit.c: Likewise.
11495 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11497 * dominance.c: Add comment about why we use DFS numbering
11500 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11501 Richard Henderson <rth@redhat.com>
11503 Merge from gomp-branch:
11504 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11505 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11507 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11509 PR rtl-optimization/25578
11510 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11511 pass a parameter to simplify_shift_const if changing ASHIFTRT
11514 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11516 * builtins.c (get_builtin_sync_mem): New function.
11517 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11518 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11519 Call get_builtin_sync_mem to generate mem rtx.
11521 2006-01-03 Richard Guenther <rguenther@suse.de>
11524 * stmt.c (add_case_node): Make sure to clear overflow flags
11527 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11529 Merge from gomp-branch.
11530 * config/sparc/sync.md: New file.
11531 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11532 UNSPECV_LDSTUB): New constants.
11533 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11534 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11535 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11538 2006-01-03 Roger Sayle <roger@eyesopen.com>
11540 * combine.c (reg_subword_p): New predicate to test whether the
11541 destination of a set refers to a subword/piece of a register.
11542 (try_combine): Generalize the code to merge the setting of a
11543 pseudo to a constant followed by a set of a subword of that
11544 register to a constant.
11546 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11548 * basic-block.h (control_flow_graph): Change the type of
11549 x_label_to_block_map to VEC(basic_block,gc) *.
11550 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11551 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11553 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11554 VEC(basic_block,heap) *.
11555 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11556 ssa_prop_fini): Adjust the uses of cfg_blocks.
11558 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11560 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11562 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11563 hashing trees instead of a pointer hash.
11564 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11565 compare for MEM_EXPR.
11567 PR rtl-optimization/25130
11568 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11569 when comparing MEMs for GCSE
11571 2006-01-03 Ben Elliston <bje@au.ibm.com>
11573 * targhooks.h (default_decimal_float_supported_p): Declare.
11574 * targhooks.c (default_decimal_float_supported_p): Define.
11575 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11576 `default_decimal_float_supported_p'.
11577 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11579 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11581 * combine.c (apply_distributive_law <SUBREG>): Check
11582 TRULY_NOOP_TRUNCATION.
11584 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11586 * dwarf2out.c (have_switched_text_section): Delete.
11587 (have_multiple_function_sections): New.
11588 (have_location_lists): Make 'bool'.
11589 (add_AT_loc_list): Use 'true' not '1'.
11590 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11591 (output_loc_list): Use have_multiple_function_sections.
11592 (output_ranges): Likewise.
11593 (dwarf2out_begin_function): Set have_multiple_function_sections if
11595 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11596 Check function_section rather than DECL_SECTION_NAME.
11597 (dwarf2out_finish): Use have_multiple_function_sections.
11598 Don't clear have_location_lists.
11600 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11601 Jan Hubicka <jh@suse.cz>
11603 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11604 case of conditional jump jumping to the next instruction.
11605 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11606 cases of conditional jump jumping to the next instruction.
11608 2006-01-02 Jan Hubicka <jh@suse.cz>
11610 * i386.c (*_cost): Add COSTS_N_INSNS.
11611 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11613 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11616 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11618 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11620 * config/arm/arm.c (all_fpus): Fix comment typo.
11621 * config/darwin.c: Likewise.
11622 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11623 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11624 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11626 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11628 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11629 (rs6000_split_compare_and_swapqhi): New.
11630 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11631 (sync_compare_and_swapqhi_internal): New.
11632 * config/rs6000/rs6000-protos.h: Declare.
OSDN Git Service
