1 2006-06-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5 mips_quad_format formats instead of ieee_single_format,
6 ieee_double_format and ieee_quad_format formats, respectively.
8 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10 PR tree-optimization/27639
11 PR tree-optimization/26719
12 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
13 call to scev_probably_wraps_p.
14 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
15 used_in_pointer_arithmetic_p, convert_step): Removed.
16 (nowrap_type_p): New function.
17 (scev_probably_wraps_p): Rewritten.
18 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
19 chrec_convert if chrec_convert_aggressive might have been used.
20 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
21 scev_direction): New functions.
22 (chrec_convert): Changed to a wrapper over chrec_convert_1.
23 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
24 instead of convert_step.
25 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
26 (convert_step): Declaration removed.
27 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
29 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
31 * df-core.c: Added to header comments.
32 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
33 df_ur_bb_info, df_urec_bb_info): Added comments.
34 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
35 urec, ri problems): Fixed header comments.
36 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
37 code from df_rd_transfer_function.
39 2006-05-23 Richard Sandiford <richard@codesourcery.com>
41 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
42 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
43 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
45 2006-05-23 Joseph Myers <joseph@codesourcery.com>
47 * expr.c (undefined_operand_subword_p): New.
48 (emit_move_multi_word): Do not generate move from undefined bits
49 of a paradoxical subreg.
51 2006-05-23 Richard Sandiford <richard@codesourcery.com>
53 PR rtl-optimization/27736
54 * combine.c (replaced_rhs_value): New variable.
55 (combine_instructions): Set it.
56 (distribute_notes): When distributing a note in replaced_rhs_insn,
57 check whether the value was used in replaced_rhs_value.
59 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
62 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
63 add_referenced_var instead of add_referenced_tmp_var.
64 * tree-complex.c (create_one_component_var): Use add_referenced_var.
65 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
67 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
68 tree_optimize_tail_calls_1): Use add_referenced_var.
69 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
70 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
71 Use add_referenced_var.
72 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
73 * gimplify.c (force_gimple_operand): Use add_referenced_var.
74 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
75 Use add_referenced_var.
76 * tree-dfa.c (struct walk_state): Remove.
77 (find_referenced_vars): Remove walk state and vars_found hash table.
78 (make_rename_temp): Use add_referenced_var.
79 (find_vars_r): Pass less parameters to add_referenced_var.
80 (referenced_var_p): New. Is var in referenced_var hash table.
81 (referenced_var_insert): Assert var isn't already in hash table.
82 (add_referenced_var): Don't need walk_state parameter. Add var if it
83 isn't already in the hash table.
84 (add_referenced_tmp_var): Remove.
85 (find_new_referenced_vars_1): Use add_referenced_var.
86 * tree-ssa-pre.c (create_expression_by_pieces,
87 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
88 Use add_referenced_var.
89 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
90 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
91 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
93 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
94 vect_create_data_ref_ptr, vect_create_destination_var,
95 vect_init_vector, vect_build_loop_niters,
96 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
97 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
98 Use add_referenced_var.
99 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
100 * tree-flow.h (add_referenced_tmp_var): Remove prototype
101 (add_referenced_var): Add prototype.
102 * tree-ssa-structalias.c (get_constraint_for,
103 intra_create_variable_infos): Use add_referenced_var.
105 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
107 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
108 big-endian paradoxical subregs.
109 * var-tracking.c (struct micro_operation_def): Document that,
110 for modify micro operations, insn is the subsequent instruction.
111 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
112 (var_reg_set, var_mem_set): ... new functions.
113 (add_stores): Record subsequent insn.
114 (compute_bb_dataflow): Use new functions for MO_USE.
115 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
116 notes after the insn, and modify notes before the insn known
117 to be the subsequent one.
118 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
120 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
123 * config/i386/i386.c (ix86_expand_builtin): Use
124 gen_sse3_monitor64 for TARGET_64BIT.
126 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
128 PR rtl-optimization/26375
129 PR rtl-optimization/26855
130 * df-problems (df_ru_bb_local_compute_process_def): Removed update
132 (df_ru_bb_local_compute): Reversed statements and removed bogus
133 comment explaining why they should be in wrong order.
134 (df_ru_dump, df_rd_dump): Enhanced debug info.
135 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
137 * ddg.c (add_deps_for_def): Converted use of reaching defs to
138 reaching uses and fixed space problem.
140 2006-05-23 Jan Hubicka <jh@suse.cz>
142 * cgraphunit.c (decide_is_function_needed): Also nested functions
143 and functions declared inline can be optimized out at -O0.
145 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
147 * doc/install.texi (Configuration): Remove reference to CrossGCC
148 FAQ which was hijacked.
151 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
154 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
155 ix86_compare_emitted is non-NULL.
157 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
160 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
163 2006-05-22 Richard Sandiford <richard@codesourcery.com>
165 PR rtl-optimization/25514
166 * combine.c (replaced_rhs_insn): New variable.
167 (combine_instructions): Set replaced_rhs_insn when trying to replace
168 a SET_SRC with a REG_EQUAL note.
169 (distribute_notes): Use replaced_rhs_insn when determining the live
170 range of a REG_DEAD register.
172 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
173 Anatoly Sokolov <aesok@post.ru>
175 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
176 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
177 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
178 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
179 atmega3290, atmega649, atmega6490, atmega406, atmega640,
180 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
181 at90usb647, at90usb1286 and at90usb1287 devices.
182 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
183 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
185 2006-05-22 Richard Sandiford <richard@codesourcery.com>
187 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
189 2006-05-22 Richard Guenther <rguenther@suse.de>
192 2006-01-31 Richard Guenther <rguenther@suse.de>
193 Paolo Bonzini <bonzini@gnu.org>
195 * doc/install.texi (--disable-libgcc-math): Document.
197 2006-05-22 Richard Guenther <rguenther@suse.de>
200 2006-01-31 Richard Guenther <rguenther@suse.de>
202 * doc/invoke.texi (-msselibm): Document.
203 * target.h (expand_library_builtin): New target hook.
204 * builtins.c (expand_builtin): Use expand_library_builtin.
205 (default_expand_library_builtin): New function.
206 * gcc.c (LINK_GCC_MATH_SPEC): Define.
207 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
208 (link_gcc_math_spec): Declare.
209 (static_specs): Add link_gcc_math_spec.
210 * expr.h (default_expand_library_builtin): Declare.
211 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
212 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
213 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
214 * config/i386/i386.opt (msselibm): New target option.
215 * config/i386/i386.c (ix86_builtin_function_variants): New array.
216 (ix86_init_sse_abi_builtins): New function.
217 (ix86_expand_library_builtin): Likewise.
218 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
219 (override_options): Handle error conditions wrt -msselibm.
220 (ix86_builtins): Add function codes for SSE2 ABI builtins.
221 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
222 * doc/extend.texi (__builtin_sse2_*): Document new target specific
225 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
228 * c-common.c (self_promoting_args_p): Skip erroneous args.
231 * c-decl.c (finish_struct): Skip erroneous fields.
233 2006-05-22 Nick Clifton <nickc@redhat.com>
235 * config/cris/cris.opt (march): Remove VarExists attribute.
236 (max-stackframe=): Likewise.
238 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
240 * doc/rtl.texi: Fix a typo.
241 * see.c: Fix comment typos.
243 * tree-ssa-structalias.h (alias_info): Remove num_references.
245 2006-05-21 Mike Stump <mrs@apple.com>
247 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
249 (darwin_pragma_options): Use BAD instead.
250 (darwin_pragma_unused): Likewise.
251 (darwin_pragma_ms_struct): Likewise.
253 2006-05-21 David Edelsohn <edelsohn@gnu.org>
255 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
257 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
259 PR rtl-optimization/27671
260 * simplify-rtx.c (simplify_relational_operation_1): Fix
261 simplifications of (eq/ne (xor x y) y) and
264 PR tree-optimization/26622.
265 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
268 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
270 * tree-cfg.c: Prune whitespace.
271 (debug_tree_cfg): Point to correct header containing the
274 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
277 * cgraphunit.c (verify_cgraph_node): Typo in error message.
279 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
282 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
283 or sorry count is non zero.
285 2006-05-20 Andreas Schwab <schwab@suse.de>
287 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
289 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
290 Kenneth Zadeck <zadeck@naturalbridge.com>
292 PR rtl-optimization/26855
294 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
296 (df_scan_alloc): Added code to properly handle multiword hard
297 registers and add all_blocks parameter.
298 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
299 code to properly handle multiword hard registers.
300 (df_rescan_blocks): Added code to remove deleted blocks from
302 (df_ref_create_structure, df_ref_record): Added code to properly
304 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
305 and set DF_REF_PARTIAL.
306 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
307 (df_uses_record): Added DF_REF_PARTIAL for subreg.
308 (df_scan_add_problem): Added flags parameter.
309 (df_ref_create_structure): Changed switching structure.
310 (df_bb_refs_record): Fixed case where duplicate artificial refs
311 were created. Changed location of flags.
312 (df_record_entry_block_defs): Added code to make stack pointer
313 live in entry block. Refined cases where frame pointer is needed.
314 Changed location of flags.
315 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
316 (df_set_state): Removed function.
317 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
318 df_insn_create_insn_record, df_insn_refs_delete,
319 df_ref_create_structure): Formatting changes.
320 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
321 df_delete_basic_block): New function.
322 (df_init): Changed location of flags.
323 (df_add_problem): Added flags parameter and the way flags are
325 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
326 debug_df_chain): Improved debugging output.
327 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
328 (df_refs_chain_dump): Removed df parameter.
329 (df_iterative_dataflow): Added consistency check.
330 (df_prune_to_subcfg): Made public.
331 (df_analyze_problem): Added blocks_to_init parameter and made
333 (df_ref_record, df_bb_refs_record, df_mark_reg,
334 df_record_exit_block_uses): Whitespace changes.
335 (df_dump): Whitespace changes.
336 * df.h: Some reordering to remove forward references.
337 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
338 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
339 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
340 (dataflow.flags): New field.
341 (df.flag): Deleted field.
342 (df_alloc_function): Added additional bitmap parameter.
343 (df_dependent_problem_function): New type.
344 (df_problem.changeable_flags): New field.
345 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
346 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
347 (df_mw_hardreg): New struct.
348 (DF_INSN_UID_MWS): New macro.
349 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
351 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
352 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
353 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
354 (df_set_state): Removed function.
355 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
356 * df-problems.c (df_chain_dump): Removed df parameter.
357 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
358 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
360 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
361 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
362 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
363 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
364 DF_REF_MUST_CLOBBER cases.
365 (df_ru_bb_local_compute_process_def,
366 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
367 df_lr_bb_local_compute, df_ur_bb_local_compute,
368 df_chain_create_bb): Made subreg aware.
369 (df_ru_bb_local_compute, df_rd_bb_local_compute,
370 df_lr_bb_local_compute, df_lr_bb_local_compute,
371 df_chain_create_bb): Cleanup to use proper macros.
372 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
373 code to fixup bitvectors.
374 (df_ri_alloc): Cleared lifetime.
375 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
376 df_create_unused_note): New function.
377 (df_ri_bb_compute, df_ri_compute): Added code to create/update
378 REG_DEAD and REG_UNUSED notes as well as register information.
379 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
380 df_chains_dump): Fixed crash if problem was never run.
381 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
382 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
383 df_ri_add_problem): Processes flags in uniform manner.
384 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
385 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
386 df_rd_dump, df_urec_free_bb_info): Formatting changes.
387 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
388 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
389 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
390 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
391 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
392 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
393 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
394 * see.c (see_initialize_data): Ditto.
395 * final.c (rest_of_clean_state) Added regstack_completed.
396 * rtl.h (regstack_completed): Ditto.
397 * reg-stack.c (regstack_completed): Ditto.
399 2006-05-19 Mike Stump <mrs@apple.com>
401 * c-tree.h (default_conversion): Remove.
402 * c-common.h (default_conversion): Add.
404 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
406 * tree-vrp.c (valid_value_p): New function.
407 (adjust_range_with_scev): Fail if the value of bound is not
410 2006-05-19 Richard Sandiford <richard@codesourcery.com>
412 * config/mips/linux-unwind.h: Include <asm/unistd.h>
413 (mips_fallback_frame_state): Use syscall numbers to determine
414 the appropriate li instruction for the current ABI. Only use
415 __NR_sigreturn for o32.
417 2006-05-19 Nicolas Setton <setton@adacore.com>
419 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
420 * langhooks.c (lhd_dwarf_name): New function.
421 * langhooks-def.h (lhd_dwarf_name): Declare.
422 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
423 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
424 * ada/misc.c (gnat_dwarf_name): New function.
425 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
427 2006-05-19 Richard Sandiford <richard@codesourcery.com>
429 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
431 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
432 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
433 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
434 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
435 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
436 determine the size of Wtype, etc.
437 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
438 (swfloatfuncs): New variable.
439 (dwfloatfuncs): Likewise.
440 (lib2funcs): Remove floating-point conversion functions from
441 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
442 the set of conversion routines needed. Allow entries to specify
443 an object name, filename and word size. Update users accordingly.
444 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
445 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
449 2006-02-08 Roger Sayle <roger@eyesopen.com>
452 * config/fixtfdi.c: New libgcc source file.
453 * config/fixunstfdi.c: New source file.
454 * config/floatditf.c: New source file.
455 * config/floatunditf.c: New souce file.
456 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
457 files above instead of config/mips/_tilib.c.
458 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
460 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
462 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
463 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
465 2006-05-18 Mike Stump <mrs@apple.com>
467 Fix up vla, vm and [*] sematics.
473 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
474 (c_vla_unspec_p): Add.
476 * c-decl.c (struct c_scope): Add had_vla_unspec.
477 (build_array_declarator): Add support for [*].
478 (grokdeclarator): Likewise.
479 (grokparms): Likewise.
480 (get_parm_info): Likewise.
481 * c-objc-common.c (c_vla_unspec_p): Likewise.
482 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
483 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
484 typeof when argument is a variably modified type not inside sizeof or alignof.
485 (c_parser_direct_declarator_inner): Propagate errors.
486 (c_parser_sizeof_expression): Add support for [*].
487 (c_parser_parms_declarator): Initialize had_vla_unspec.
488 (c_parser_parms_list_declarator): Likewise.
489 * c-typeck.c (c_vla_type_p): Add.
490 (composite_type): Add support for vla compositing.
491 (comptypes_internal): Add support for vla compatibility.
492 (c_expr_sizeof_expr): Evaluate vla arguments.
493 * tree.c (variably_modified_type_p): Update comment for [*].
495 2006-05-18 Michael Matz <matz@suse.de>
498 * config.host: Make assignments to host_xmake_file cumulative.
499 * config.host (*-darwin*): Test $host, not $target.
501 2006-05-12 Stuart Hastings <stuart@apple.com>
503 * config/i386/i386.opt (-mstackrealign): New flag.
504 * config/i386/i386.c (force_align_arg_pointer): New attribute.
505 (ix86_handle_cconv_attribute): Emit error when
506 force_align_arg_pointer attribute collides with too many regparms.
507 (ix86_function_regparm): Limit regparms when used with
508 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
509 Support stack-realigning prologue in non-main functions. Emit
510 warning for nested functions under -mstackrealign, emit error for
511 nested functions with force_align_arg_pointer attribute.
512 * doc/extend.texi (force_align_arg_pointer): Document it.
513 * doc/invoke.texi (-mstackrealign): Document it.
515 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
517 PR rtl-optimization/27477
518 * combine.c (try_combine): Don't split a parallel consisting
519 of two sets into two individual sets if both sets reference
522 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
524 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
525 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
527 * doc/options.texi (VarExists): Updated.
529 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
531 * unwind-dw2.c: Add declarations for uw_update_context and
533 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
534 detected, advance frame state and context once to skip over stub.
536 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
540 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
541 Call rewrite_into_loop_closed_ssa only when something changed.
542 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
543 * lambda-code.c (can_convert_to_perfect_nest): Declared.
544 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
545 Test for perfect_nest_p here. Fix formating.
546 (replace_uses_equiv_to_x_with_y): Fix formating.
547 (stmt_uses_op): Removed.
548 (can_convert_to_perfect_nest): Removed loopivs parameter.
549 Complete the test by checking the scalar dependences.
550 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
553 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
556 From Dan Kegel <dank@kegel.com>:
557 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
559 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
561 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
562 if the element type is variably modified without recursing.
564 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
567 * tree-loop-linear.c (try_interchange_loops): Test for
570 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
572 PR tree-optimization/27548
573 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
574 range of ssa names that appear on abnormal edges.
575 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
576 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
578 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
581 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
583 2006-05-17 Jakub Jelinek <jakub@redhat.com>
586 * tree.h (OMP_PARALLEL_COMBINED): Define.
587 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
588 (new_omp_context): Add is_combined_parallel argument.
589 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
590 new_omp_context caller.
591 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
592 Adjust gimplify_scan_omp_clauses callers.
593 (omp_is_private): Issue errors if iteration variable is firstprivate
594 or reduction in the current context.
595 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
596 on combined parallel workshare constructs.
598 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
600 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
601 (gcc-options.o): New rule.
603 * optc-gen.awk: Protect variables for gcc-options.o with
604 #ifdef GCC_DRIVER/#endif.
606 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
608 Fix PR tree-optimization/27373
609 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
610 (forward_propagate_addr_expr): Update call.
612 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
614 * doc/options.texi: Move the Negative option.
616 2006-05-16 Richard Guenther <rguenther@suse.de>
618 PR tree-optimization/22303
619 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
621 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
622 ccp_fold did not simplify the statement.
624 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
627 * Makefile.in (GCC_OBJS): New.
628 (OBJS-common): Add opts-common.o.
629 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
630 (cpp$(exeext)): Likewise.
631 (gcc.o): Also depend on opts.h.
632 (opts-common.o): New.
634 * common.opt (gcoff): Add Negative(gdwarf-2).
635 (gdwarf-2): Add Negative(gstabs).
636 (gstabs): Add Negative(gstabs+).
637 (gstabs+): Add Negative(gvms).
638 (gvms): Add Negative(gxcoff).
639 (gxcoff): Add Negative(gxcoff+).
640 (gxcoff+): Add Negative(gcoff).
641 * config/i386/i386.opt (m32): Add Negative(m64).
642 (m64): Add Negative(m32).
644 * doc/options.texi: Document the Negative option.
646 * gcc.c: Include "opts.h".
647 (main): Call prune_options after expandargv.
649 * optc-gen.awk: Generate common declarations for all flag
650 variables in options.c. Output the neg_index field.
652 * opts.c (find_opt): Moved to ...
653 * opts-common.c: Here. New file.
655 * opts.h (cl_option): Add a neg_index field.
657 (prune_options): Likewise.
659 2006-05-16 Jakub Jelinek <jakub@redhat.com>
662 * omp-low.c (expand_omp_parallel): Don't assert
663 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
664 instead search for it.
667 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
670 2006-05-16 Andreas Schwab <schwab@suse.de>
672 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
675 2006-05-15 Roger Sayle <roger@eyesopen.com>
678 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
679 integer constants other than zero are only legitimate on TARGET_64BIT.
680 <CONST_VECTOR> Only zero vectors are legitimate.
681 (ix86_cannot_force_const_mem): Integral and vector constants can
682 always be put in the constant pool.
684 2006-05-16 DJ Delorie <dj@redhat.com>
686 * crtstuff.c (__dso_handle): Set section from
687 TARGET_LBIGCC_SDATA_SECTION if defined.
688 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
689 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
691 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
694 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
697 2006-05-16 Ben Elliston <bje@au.ibm.com>
699 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
701 2006-05-15 Per Bothner <per@bothner.com>
703 * tree.c: (last_annotated_node): Use sources_locus typedef.
704 This permits bootstrapping with --enable-mapped-location.
706 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
708 PR tree-optimization/26830
709 * tree-into-ssa.c (struct ssa_name_info): Add age field.
710 (info_for_ssa_name, current_info_for_ssa_name_age,
711 blocks_to_update): New variables.
712 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
713 (clear_ssa_name_info, initialize_flags_in_bb,
714 mark_block_for_update): New functions.
715 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
716 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
717 prepare_def_site_for): Use mark_block_for_update.
718 (mark_def_interesting): Assert that the processed block is marked in
719 blocks_to_update. Do not take blocks argument.
720 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
722 (rewrite_update_init_block, rewrite_update_stmt): Only process
723 blocks with statements to rewrite.
724 (delete_update_ssa): Do not clear SSA_NAME_AUX.
725 (update_ssa): Initialize and free blocks_to_update. Do not
726 clear flags on statements. Do not use blocks bitmap.
727 * tree.h (SSA_NAME_AUX): Removed.
728 (struct tree_ssa_name): Removed aux field.
729 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
731 2006-05-15 Richard Guenther <rguenther@suse.de>
733 PR tree-optimization/27603
734 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
735 Do computations in original type.
737 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
739 * see.c: Code style changes such as redundant paranthesis,
740 redundant intialization of local variables etc.
741 (see_main): Declared now as static.
742 * doc/invoke.texi: Update that -fsee is not enabled by
745 2006-05-15 Jakub Jelinek <jakub@redhat.com>
747 * omp-low.c (check_omp_nesting_restrictions): New function.
748 (scan_omp_1): Call it.
751 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
752 construct, return *VAR.
754 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
756 PR rtl-optimization/27406
757 * bt-load.c (migrate_btr_def): Skip the block having abnormal
760 2006-05-14 Roger Sayle <roger@eyesopen.com>
762 PR rtl-optimization/27538
763 * combine.c (expand_compound_operation): Call gen_lowpart
764 before calling simplify_shift_const.
766 2006-05-14 Roger Sayle <roger@eyesopen.com>
768 PR rtl-optimization/22563
769 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
770 a fixed width bitfield, always force the intermediates into psuedos.
772 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
775 * mkconfig.sh: Use operator = instead of == for test.
777 2006-05-13 Nick Clifton <nickc@redhat.com>
779 * dwarf2out.c (dbx_reg_number): Check return value from
780 LEAF_REG_REMAP and only use it if it is valid.
781 (multiple_reg_loc_descriptor): Likewise.
783 2006-05-13 Richard Guenther <rguenther@suse.de>
785 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
788 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
790 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
791 information attached to non-INSNs such as NOTEs.
792 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
794 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
796 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
798 * config/s390/s390.md: Adjust comment describing On constraint.
800 2006-05-11 Jan Hubicka <jh@suse.cz>
802 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
805 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
808 * fold-const.c (size_binop): Move sanity check for arguments to
809 the beginning of the function.
812 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
815 2006-05-11 Richard Guenther <rguenther@suse.de>
818 * fold-const.c (fold_unary): Handle intermediate conversion
819 to a pointer type like intermediate conversion to an integer
820 type in folding of (T1)(T2)var to var.
821 Match the code to the comment in the final conversion for
822 (T1)(T2)var to (T1)var regarding to type precision. Rather
823 than disallow T1 being of pointer type, assert that both T1
824 and var are of pointer type or not. Make sure not to fall
825 over the frontends lazyness wrt array to pointer decay though.
827 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
829 * arm.c (arm_struct_value_rtx): Delete.
830 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
831 (arm_init_cumulative_args): Always initialize nregs to zero.
833 2006-05-10 Richard Guenther <rguenther@suse.de>
835 PR tree-optimization/27532
836 * tree-object-size.c (plus_expr_object_size): Fix typo.
838 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
841 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
842 ashrdi_const, ashrdi3): Use a scratch register.
844 2006-05-10 Richard Guenther <rguenther@suse.de>
846 PR tree-optimization/27302
847 * fold-const.c (operand_equal_p): For two comparisons,
848 try comparison of one comparison code swapped if that yields
851 2006-05-10 Ben Elliston <bje@au.ibm.com>
853 * tree-pretty-print.c (pretty_print_string): No need to handle
854 '\0' as a special character.
856 * tree.h: Include "hashtab.h".
857 (iterative_hash_expr): Use hashval_t in its prototype.
858 * Makefile.in (TREE_H): Add $(HASHTAB_H).
860 2006-05-09 Steve Ellcey <sje@cup.hp.com>
863 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
864 (hppa*64*-*-hpux11*): Ditto.
865 (hppa[12]*-*-hpux11*): Ditto.
867 2006-05-09 David Edelsohn <edelsohn@gnu.org>
870 * config/rs6000/aix41.h (TARGET_64BIT): Define.
872 2006-05-09 Michael Matz <matz@suse.de>
874 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
875 host_extra_gcc_objs and host_xmake_file.
876 (<*-*-linux*>): Don't overwrite host_xmake_file.
877 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
878 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
879 (host_detect_local_cpu): Declare.
880 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
881 * config/i386/i386.c (override_options): Handle -mtune=native
883 * config/i386/x-i386: New file.
884 * config/i386/driver-i386.c: New file.
885 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
888 2006-05-09 Dirk Mueller <dmueller@suse.de>
889 Richard Guenther <rguenther@suse.de>
892 * fold-const.c (fold_read_from_constant_string): Relax check
893 for matching types to matching modes.
895 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
897 PR rtl-optimization/27335
898 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
901 2006-05-08 Chao-ying Fu <fu@mips.com>
902 Richard Sandiford <richard@codesourcery.com>
904 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
905 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
906 * config/mips/mips.md (UNSPEC_SCC): New constant.
907 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
908 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
909 (mips_emit_compare): Use it.
910 (mips_expand_vcondv2sf): New function.
912 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
914 Fix PR tree-optimization/27093
915 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
916 renaming when they become not-used_alone.
918 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
920 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
921 relocation and relocation stubs.
923 2006-05-08 Eric Christopher <echristo@apple.com>
925 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
928 2006-05-08 Jan Hubicka <jh@suse.cz>
931 * cgraphunit.c (decide_is_function_needed): When not optimizing even
932 unused static functions are needed.
934 2006-05-08 Roger Sayle <roger@eyesopen.com>
937 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
938 of a reg_equiv_constant if the result is a legitimate constant.
940 2006-05-08 Uros Bizjak <uros@kss-loka.si>
943 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
944 standard 80387 constants, raise the cost to prevent
945 compress_float_constant() to generate load from memory.
947 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
949 * config/arm/constraints.md (c): Fix a typo.
951 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
954 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
957 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
959 (_mm_mwait): Likewise.
961 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
963 (sse3_monitor): Make it 32bit only.
964 (sse3_monitor64): New. 64bit monitor.
966 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
969 * config/i386/i386.c (classify_argument): Skip fields with invalid
972 2006-05-07 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/27409
975 * tree-ssa-structalias.c (get_constraint_for_component_ref):
976 Do not try to find zero-sized subvars.
978 2006-05-07 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/27136
981 * tree-ssa-loop-niter.c (get_val_for): Correct function
982 comment, assert requirements.
983 (loop_niter_by_eval): Stop processing if the iterated
984 value did not simplify.
986 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
988 * opts.c (flag_see): remove its setting at -O3.
990 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
992 * genpeep.c (main): Make insn-peep.c depend on flags.h.
993 * arm/constraints.md: New file.
994 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
995 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
996 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
997 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
998 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
999 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1000 * arm.md: Include constraints.md.
1001 (thumb_movsi_insn): Use satisfies_constraint_J.
1002 (movhi, movqi): Use satisfies_constraint_I.
1004 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1006 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1007 for atmeg a645 device.
1009 2006-05-06 Richard Guenther <rguenther@suse.de>
1011 PR tree-optimization/27151
1012 * tree-vect-transform.c (vectorizable_condition): Punt on
1013 values that have a different type than the condition.
1015 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1018 * c-parser.c (c_parser_cast_expression): Only insert casts into
1019 hash table if pointer.
1020 * function.c (used_types_insert_helper): Rename from
1022 (used_types_insert): Call used_types_insert_helper.
1023 * function.h (used_types_insert): Accept only one argument.
1025 2006-05-05 David Edelsohn <edesohn@gnu.org>
1027 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1028 scratch with output modifier.
1030 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1033 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1034 with output modifier.
1036 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1039 * config/mips/mips.c (mips_symbolic_address_p): Return true
1040 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1041 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1043 2006-05-04 Richard Guenther <rguenther@suse.de>
1045 PR tree-optimization/14287
1046 PR tree-optimization/14844
1047 PR tree-optimization/19792
1048 PR tree-optimization/21608
1049 PR tree-optimization/27090
1050 * tree-ssa-pre.c (try_combine_conversion): New function.
1051 (compute_avail): After constructing the value-handle
1052 expression, use try_combine_conversion to combine NOP_EXPRs
1053 with previous value-handle expressions and use the result if it
1056 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1058 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1060 2006-05-04 Jan Hubicka <jh@suse.cz>
1063 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1065 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1067 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1068 that this only matches CONST_INTs. All users changed to VOIDmode
1071 * config/bfin/bfin.c: Include "optabs.h".
1072 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1074 (enum bfin_builtins): Add a number of fractional and vector builtins.
1075 (bfin_init_builtins): Likewise.
1076 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1077 (safe_vector_operand, bfin_expand_binop_builtin,
1078 bfin_expand_unop_builtin): New functions.
1079 (bfin_expand_builtin): Handle the new builtins.
1080 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1083 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1086 * Makefile.in (OBJS-common): Add see.o.
1087 (see.o): Add dependencies.
1088 * common.opt (fsee): New flag for the see optimization was added.
1089 * opts.c (flag_see): Initialized.
1090 * passes.c (init_optimization_passes, pass_see): New pass.
1091 * rtl.h (see_main): Declaration as extern.
1092 * timevar.def (TV_SEE): New.
1093 * tree-pass.h (pass_see): Declaration as extern.
1094 * invoke.texi (-fsee): Document.
1095 * recog.c (validate_simplify_insn): New function.
1096 * recog.h (validate_simplify_insn): Declaration as extern.
1097 * df-problems.c (df_chain_dump): Check for NULL.
1099 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1100 Daniel Berlin <dberlin@dberlin.org>
1102 * cfgrtl.c (insert_insn_bb_end_new): New function.
1103 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1105 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1107 * df.h (struct web_entry): Moved from web.c.
1108 (union_defs): Declaration as extern.
1109 (unionfind_root): Likewise.
1110 (unionfind_union): Likewise.
1111 * web.c (struct web_entry): Moved to df.h.
1112 (unionfind_root): Remove static declaration.
1113 (unionfind_union): Likewise.
1114 (union_defs): Likewise and generalize to use callback function.
1115 (web_main): Update arguments for union_defs function call.
1117 2006-05-04 Richard Guenther <rguenther@suse.de>
1119 PR tree-optimization/26447
1120 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1121 produce SSA_NAME copies before the store stmt to avoid
1122 breaking exception handling.
1124 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1127 * gimplify.c (omp_is_private): If var is shared in some outer context,
1128 return false instead of true. Stop searching on parallel context
1131 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1134 * coverage.c: Use get_gcov_unsigned_t() instead of
1135 unsigned_type_node all over.
1137 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1139 PR tree-optimization/27381
1140 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1141 maintain the same immediate_use links.
1142 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1143 node rather than segfaulting.
1145 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1148 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1149 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1150 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1152 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1154 Fix PR tree-optimization/26626
1155 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1157 * tree-ssa-operands.c (access_can_touch_variable): Allow
1158 typecasting through union pointers.
1160 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1163 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1164 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1165 to find if var will be a global variable even in the nested context.
1166 (omp_copy_decl): Only check for global variable at the end, it might
1167 be overridden in outer contexts.
1168 (scan_sharing_clauses): For global variables don't create a field.
1169 (lower_rec_input_clauses): Do nothing for global shared variables.
1170 Emit a barrier at the end of ILIST if there were any decls in both
1171 firstprivate and lastprivate clauses.
1172 (lower_send_clauses): Do nothing for global variables except for
1175 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1177 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1178 of the correct signedness is returned.
1180 2006-05-02 Jeff Law <law@redhat.com>
1182 PR tree-optimization/27364
1183 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1184 multiply expressions.
1186 2006-05-02 Tom Tromey <tromey@redhat.com>
1188 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1190 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1193 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1194 -mthumb -fPIC are used.
1196 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1197 Joshua Kinard <kumba@gentoo.org>
1200 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1201 with 64-bit pointers.
1203 2006-05-02 Paul Brook <paul@codesourcery.com>
1205 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1207 (create_fix_barrier): Check that a suitable barrier location is
1209 (arm_reorg): Include ftmp->address in allowable range of addresses.
1211 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1214 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1217 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1220 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1221 around RESULT_DECL for result passed by reference.
1222 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1223 * omp-low.c (use_pointer_for_field): Don't look at
1224 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1225 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1226 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1227 time or var for passing by reference for
1228 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1229 TREE_ADDRESSABLE variables when passing by reference.
1231 * omp-low.c (dump_omp_region): Fix output formatting.
1234 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1235 (expand_omp_parallel): Likewise.
1236 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1239 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1240 on statement list containing also constructors and destructors.
1241 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1244 * except.c (duplicate_eh_regions): Fix clearing of
1245 cfun->eh->region_array entries.
1247 2006-05-01 DJ Delorie <dj@redhat.com>
1249 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1251 (gcc_cv_objdump): Likewise.
1252 * configure: Regenerated.
1254 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1257 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1258 templates for case 3 and 4.
1260 2006-05-01 DJ Delorie <dj@redhat.com>
1262 * vec.c: Include bconfig.h when appropriate.
1263 * Makefile.in (build/vec.o): Adjust dependencies.
1264 * mkconfig.sh: Make sure config.h isn't used for build machine
1267 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1269 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1271 (mark_phi_for_rewrite): New function.
1272 (insert_phi_nodes_for, mark_use_interesting): Call
1273 mark_phi_for_rewrite.
1274 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1275 (update_ssa): Initialize and free phis_to_rewrite.
1277 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1279 PR rtl-optimization/27291
1280 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1281 folded to a constant.
1283 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1285 PR tree-optimization/27283
1286 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1287 not whole # of iteration descriptions.
1288 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1289 uses abnormal ssa name.
1290 (niter_for_single_dom_exit): Ditto.
1291 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1292 return just the number of iterations.
1294 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1296 PR tree-optimization/27144
1297 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1298 (record_estimate): Only record constant upper bound.
1299 (infer_loop_bounds_from_undefined): Call
1300 compute_estimated_nb_iterations just once.
1301 (proved_non_wrapping_p): Renamed to ...
1302 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1303 (convert_step_widening, scev_probably_wraps_p): Call
1304 n_of_executions_at_most instead of proved_non_wrapping_p.
1305 (substitute_in_loop_info): Do not replace values in bounds.
1306 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1309 2006-05-01 Richard Henderson <rth@redhat.com>
1312 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1313 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1316 2006-05-01 Roger Sayle <roger@eyesopen.com>
1318 * c-typeck.c (parser_build_binary_op): Don't call the function
1319 unsigned_conversion_warning to spot operand/result type overflow.
1320 (build_binary_op): Instead, call convert_and_check instead of
1321 convert to report the problem when the operands are promoted.
1322 * c-common.c (unsigned_conversion_warning): Make static.
1323 * c-common.h (unsigned_conversion_warning): Delete prototype.
1325 2006-05-01 Richard Guenther <rguenther@suse.de>
1327 PR tree-optimization/26726
1328 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1330 (find_interesting_uses_address): ... we work around here
1331 by folding INDIRECT_REFs in the substituted base.
1333 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1335 * omp-low.c (dump_omp_region): Add newlines.
1337 2006-04-30 Roger Sayle <roger@eyesopen.com>
1339 * common.opt (Woverflow): New command line option.
1340 * c-common.c (constant_expression_warning): Check warn_overflow.
1341 (overflow_waring): Pass OPT_Woverflow to warning.
1342 (unsigned_conversion_warning): Likewise.
1343 (convert_and_check): Likewise.
1344 * doc/invoke.texi: Document new command line option.
1346 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1348 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1349 TARGET_NO_FP_IN_TOC for section anchors.
1350 (optimization_options): Enable section anchors for all
1351 non-"Objective" languages.
1353 2006-04-28 Eric Christopher <echristo@apple.com>
1355 * config/darwin-c.c (darwin_ms_struct): Move this
1356 (darwin_set_default_type_attributes): and this...
1357 * config/darwin.c: ... here.
1358 * config/darwin.h (darwin_ms_struct): Declare.
1360 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1362 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1364 2006-04-28 Roger Sayle <roger@eyesopen.com>
1367 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1368 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1369 an unsigned HOST_WIDE_INT.
1370 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1372 (really_start_incremental_init): No need to call convert because
1373 bitsize_zero_node is already of type bitsizetype.
1374 (push_init_level): Extract the value of constructor_index as an
1375 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1376 (process_init_element): Likewise.
1378 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1380 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1381 value before passing to make_relative_prefix.
1383 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1386 * builtins.c (expand_builtin_memset): Expand val in original mode.
1388 2006-04-27 Eric Christopher <echristo@apple.com>
1390 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1391 with #ifndef/#endif.
1392 * config/darwin-c.c (darwin_ms_struct): New.
1393 (darwin_pragma_ms_struct): Ditto.
1394 (darwin_set_default_type_attributes): Ditto.
1395 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1396 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1397 Register ms_struct pragma.
1398 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1399 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1400 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1401 darwin_set_default_type_attributes if TARGET_MACHO.
1403 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1405 PR tree-optimization/26854
1406 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1407 * doc/tree-ssa.texi: Update immuse iterator documentation.
1408 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1409 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1410 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1411 first_safe_imm_use, next_safe_imm_use): Remove.
1412 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1413 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1414 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1415 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1416 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1417 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1418 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1419 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1420 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1421 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1422 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1423 (perfect_nestify): Use new iterator.
1424 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1426 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1427 (next_imm_name): New field in struct immediate_use_iterator_d.
1428 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1429 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1430 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1431 * tree-cfg.c (replace_uses_by): Use new iterator.
1432 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1433 * tree-ssa-operands.c (correct_use_link): Remove.
1434 (finalize_ssa_use_ops): No longer call correct_use_link.
1436 2006-04-27 Stuart Hastings <stuart@apple.com>
1438 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1439 * config/t-darwin (crt3.o): Use it.
1440 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1441 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1442 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1443 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1444 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1447 2006-04-27 Roger Sayle <roger@eyesopen.com>
1449 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1450 size, force the intermediate into a new pseudo rather instead of
1451 performing both a bitwise AND and a bitwise IOR in memory.
1453 2006-04-27 Richard Guenther <rguenther@suse.de>
1455 PR rtl-optimization/26685
1456 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1457 this one "max-flow-memory-locations".
1459 2006-04-27 Richard Guenther <rguenther@suse.de>
1461 PR tree-optimization/25148
1462 * tree-vrp.c (compare_values): Remove code dealing with
1463 comparisons against type min/max value. Honour overflow
1464 and negative constants in code dealing with comparisons
1465 of plus and minus expressions.
1466 (value_inside_range): Use fold_binary with LE_EXPR and
1467 GE_EXPR rather than compare_values.
1469 2006-04-27 Dirk Mueller <dmueller@suse.de>
1471 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1474 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1476 * basic-block.h (safe_insert_insn_on_edge): Removed.
1477 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1479 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1480 Paolo Bonzini <bonzini@gnu.org>
1483 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1484 (simplify_and_const_int): Same.
1486 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1488 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1490 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1493 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1494 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1495 cgraph_global_info_ready.
1498 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1501 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1502 either decl or init is error_mark_node.
1505 * tree-flow.h (struct omp_region): Add sched_kind.
1506 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1507 instead of extracting omp for data.
1508 (expand_omp_for): Save extracted sched_kind.
1510 2006-04-25 Roger Sayle <roger@eyesopen.com>
1512 * expmed.c (store_bit_field): Also check whether the bitsize is
1513 valid for the machine's "insv" instruction before moving the
1514 target into a pseudo for use with the insv.
1515 * config/i386/predicates.md (const8_operand): New predicate.
1516 * config/i386/i386.md (extv, extzv, insv): Use the new
1517 const8_operand predicate where appropriate.
1519 2006-04-25 DJ Delorie <dj@redhat.com>
1521 * doc/install.texi (Specific): Clarify that this is not a list of
1522 supported hosts or targets.
1524 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1526 PR rtl-optimization/26725
1527 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1528 block's BB_DIRTY flag.
1530 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1532 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1535 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1536 to print an integer.
1538 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1540 * varasm.c (align_variable): New function.
1541 (get_block_for_decl): Apply align_variable to DECL before
1542 calculating section information.
1543 (assemble_variable): Split out alignment computation.
1545 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1547 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1550 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1552 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1553 MODE_PARTIAL_INT mode.
1554 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1555 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1557 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1558 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1560 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1562 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1564 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1565 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1566 MACFLAG_IH): Likewise.
1567 (movstricthi_1): Renamed from "*movstricthi".
1568 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1569 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1570 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1571 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1572 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1573 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1574 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1575 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1576 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1577 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1578 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1579 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1580 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1581 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1582 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1584 * doc/rtl.texi (ss_ashift): Improve wording.
1586 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1588 * dwarf2out.c (verify_marks_clear): New.
1589 (prune_unused_types): Call verify_marks_clear initially, not
1592 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1594 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1595 * doc/rtl.texi: Document them.
1596 * simplify-rtx.c (simplify_unary_operation,
1597 simplify_binary_operation_1): Don't abort when we see them.
1599 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1602 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1603 * configure.ac: Completely disregard languages that are not
1605 * configure: Regenerated.
1607 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1608 Richard Guenther <rguenther@suse.de>
1610 PR tree-optimization/27236
1611 * tree-inline.c (copy_body_r): Make sure to copy
1612 TREE_THIS_VOLATILE flag.
1614 2006-04-24 Richard Guenther <rguenther@suse.de>
1617 * tree-complex.c (update_parameter_components): Don't handle
1618 unused parameters which have no default def.
1620 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1621 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/27218
1624 * tree-inline.c (expand_call_inline): Strip useless type
1625 conversions for the return slot address.
1627 2006-04-24 Richard Guenther <rguenther@suse.de>
1629 * cfgloop.h (struct loops): Remove unused field array. Reorder
1631 (LOOP_PREFETCH): Remove.
1633 2006-04-24 Richard Guenther <rguenther@suse.de>
1635 PR tree-optimization/22525
1636 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1637 variable, adjust types of generated expressions.
1639 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1641 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1642 (tree-vect-patterns.o): Likewise.
1644 (cselib.o): Likewise.
1645 (loop-doloop.o): Likewise.
1646 (regclass.o): Likewise.
1647 (reload1.o): Likewise.
1648 (explow.o): Replace target.h with $(TARGET_H).
1649 (ipa-prop.o): Likewise.
1650 (ipa-cp.o): Likewise.
1651 (ipa-inline.o): Likewise.
1652 (reorg.o): Likewise.
1653 (reg-stack.o): Likewise.
1655 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1657 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1659 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1661 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1663 * configure.ac: Completely disregard languages that are not
1665 * configure: Regenerated.
1668 * c-common.h (c_build_bitfield_integer_type): Declare.
1669 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1670 * c-common.c (c_build_bitfield_integer_type): ... here.
1672 2006-04-23 Roger Sayle <roger@eyesopen.com>
1675 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1676 a SImode SUBREG of a floating point register after no_new_pseudos.
1678 2006-04-23 Roger Sayle <roger@eyesopen.com>
1680 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1681 identify potentially eliminable registers to additionally catch
1682 VIRTUAL_INCOMING_ARGS_REGNUM.
1683 (addsi3): Update the conditions on when to use addsi_small_int.
1685 2006-04-23 Roger Sayle <roger@eyesopen.com>
1688 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1689 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1690 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1692 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1694 * fold-const.c (range_predecessor): Use operand_equal_p
1695 as the predicate for equality.
1696 (range_successor): Likewise.
1698 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1701 * config/soft-fp/op-common.h: Fix a typo.
1703 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1706 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1707 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1709 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1711 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1713 * doc/tm.texi: Fix a typo.
1715 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1717 * dwarf2out.c (struct die_struct): Document that die_sib makes
1718 a circular linked list.
1719 (FOR_EACH_CHILD): New.
1720 (reverse_die_lists): Delete.
1721 (reverse_all_dies): Delete.
1722 (add_dwarf_attr): Correct documentation.
1723 (remove_child_with_prev): New.
1724 (remove_child_TAG): Update for change to die_struct, use
1725 remove_child_with_prev.
1726 (add_child_die): Update for change to die_struct.
1727 (splice_child_die): Use remove_child_with_prev and add_child_die.
1728 (print_die): Use FOR_EACH_CHILD.
1729 (die_checksum): Likewise.
1730 (assign_symbol_names): Likewise.
1731 (output_location_lists): Likewise.
1732 (build_abbrev_table): Likewise.
1733 (calc_die_sizes): Likewise.
1734 (mark_dies): Likewise.
1735 (unmark_dies): Likewise.
1736 (unmark_all_dies): Likewise.
1737 (output_die): Likewise.
1738 (prune_unused_types_mark): Likewise.
1739 (prune_unused_types_walk): Likewise.
1740 (same_die_p): Update for change to die_struct.
1741 (break_out_includes): Likewise.
1742 (prune_unused_types_prune): Likewise.
1743 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1744 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1746 (dwarf2out_finish): Don't call reverse_all_dies.
1748 2006-04-21 Eric Christopher <echristo@apple.com>
1750 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1751 in comments and function names.
1753 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1756 * c-typeck.c (digest_init): Robustify.
1758 * c-typeck.c (pop_init_level): Simplify.
1760 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1762 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1764 2006-04-21 Paul Brook <paul@codesourcery.com>
1766 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1767 hardware floating point.
1769 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1771 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1774 2006-04-21 Nick Clifton <nickc@redhat.com>
1776 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1779 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1782 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1783 C++ lang type in traceback table for Objective-C++.
1785 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1787 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1789 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1791 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1794 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1795 were errors. Remove check for erroneous objects.
1797 2006-04-20 Jeff Law <law@redhat.com>
1799 PR tree-optimization/26854
1800 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1801 checking for zero or one use.
1802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1803 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1804 * tree-ssa-reassoc.c (negate_value): Similarly.
1805 (reassociate_bb): Similarly.
1807 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1809 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1810 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1811 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1813 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1815 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1816 fp regs if the last fp arg doesn't fit in regs.
1818 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1821 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1822 that the last insn has the REG_INC note.
1824 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1825 Nathan Sidwell <nathan@codesourcery.com>
1828 * stor-layout.c (update_alignment_for_field): Do not align
1830 (place_union_field): Place union field at the start of the union.
1831 (place_field): Move ERROR_MARK check later, and use the current
1832 allocation position to maintain monotonicity.
1834 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1836 * dominance.c: Include timevar.h.
1837 (calculate_dominance_info): Use TV_DOMINANCE.
1838 * timevar.def (TV_DOMINANCE): New timevar.
1839 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1841 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1843 PR rtl-optimization/14261
1844 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1845 move would be an INSV insn.
1846 (noce_process_if_block): Don't optimize if the destination is a
1847 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1849 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1851 * config/s390/s390.md: Add comments with the instructions emitted
1852 by an insn pattern if macros are used.
1854 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1856 PR rtl-optimization/26026
1857 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1858 is a known power of two shifted left a variable amount.
1860 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1862 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1863 to hash table twice when the debug_str section has SECTION_MERGE.
1865 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1867 * config/soft-fp: New directory. From glibc.
1868 * config/soft-fp/t-softfp: New.
1869 * config/soft-fp/README: New.
1870 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1871 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1872 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1873 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1874 * config.gcc: Use rs6000/t-fprules-fpbit or
1875 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1877 * config/rs6000/sfp-machine.h: New. Based on glibc.
1878 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1880 * config/rs6000/t-fprules: Remove fp-bit rules.
1881 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1882 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1883 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1884 (softfp_wrap_start, softfp_wrap_end): New.
1886 2006-04-18 DJ Delorie <dj@redhat.com>
1888 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1890 2006-04-18 Devang Patel <dpatel@apple.com>
1892 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1894 2006-04-18 Nick Clifton <nickc@redhat.com>
1896 * config/sh/t-symbian: Add rule to build sh-c.o
1897 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1898 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1899 (sh_symbian_encode_section_info): Likewise.
1901 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1903 * builtins.c (expand_builtin_strcmp): Cover label definition of
1904 do_libcall with HAVE_cmpstrnsi.
1906 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1908 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1910 * function.h (temp_slot_p): New.
1911 (function): Change the type of x_used_temp_slots to
1912 VEC(temp_slot_p,gc) *.
1914 2006-04-18 Nick Clifton <nickc@redhat.com>
1916 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1917 flag_strength_reduce.
1919 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1921 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1925 Partial revert of revision 112637
1926 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1927 Dale Johannesen <dalej@apple.com>
1930 * regclass.c (struct reg_pref): Update documentation.
1931 (regclass): Set prefclass to NO_REGS if memory is the best option.
1932 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1934 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1936 PR tree-optimization/26821
1937 * tree-ssa-math-opts.c (get_constant_one): New.
1938 (insert_reciprocals): Use it.
1940 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1942 * dwarf2out.c (free_AT): Delete.
1943 (remove_AT): Update string ref counts.
1944 (remove_child_TAG): Don't call free_die.
1946 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1947 or DW_TAG_GNU_EINCL.
1948 (prune_unused_types_walk_attribs): Reset string refcounts.
1949 (prune_unused_types_update_strings): New.
1950 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1951 call free_die. Do call prune_unused_types_update_strings.
1952 (prune_unused_types): Empty debug_str_hash.
1954 2006-04-17 Roger Sayle <roger@eyesopen.com>
1956 * expr.c (expand_assignment): Optimize away no-op moves where the
1957 source and destination are equal and have no side-effects.
1959 2006-04-17 Richard Guenther <rguenther@suse.de>
1962 * reload.c (push_reload): Guard calls to get_secondary_mem
1965 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1967 * alias.c (reg_base_value, old_reg_base_value): Change the
1968 type to VEC(rtx,gc) *.
1969 (REG_BASE_VALUE, find_base_value, record_set,
1970 init_alias_analysis): Use VEC instead of VARRAY.
1972 * alias.c (alias_sets): Change the type to
1973 VEC(alias_set_entry,gc) *.
1974 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1975 VEC instead of VARRAY.
1976 (last_alias_set): Remove.
1978 * cgraph.h (cgraph_edge_p): New.
1979 Update the prototype of cgraph_function_versioning.
1980 * cgraphunit.c (cgraph_copy_node_for_versioning,
1981 cgraph_function_versioning): Use VEC instead of VARRAY.
1982 * ipa-cp.c (ipcp_insert_stage): Likewise.
1984 2006-04-16 Roger Sayle <roger@eyesopen.com>
1987 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1988 "A op B" or "A op C", we may need to convert A to the type of B and C.
1990 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1992 * target.h (struct gcc_target): Add mode_rep_extended.
1993 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1994 (init_num_sign_bit_copies_in_rep): Initialize it using
1996 (truncate_to_mode): Use it.
1997 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1998 * targhooks.h (default_mode_rep_extended): Declare it.
1999 * targhooks.c (default_mode_rep_extended): Define it.
2000 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2001 default_mode_rep_extended.
2002 (TARGET_INITIALIZER): Include it.
2003 * doc/tm.texi (Misc): Document it.
2004 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2005 (mips_truncated_to_mode): New function.
2007 2006-04-16 Roger Sayle <roger@eyesopen.com>
2010 * expr.c (compress_float_constant): Copy the narrow constant into
2011 a new pseudo before extending it to its final width.
2013 2006-04-16 Roger Sayle <roger@eyesopen.com>
2014 Andrew Pinski <pinskia@gcc.gnu.org>
2015 Dale Johannesen <dalej@apple.com>
2018 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2019 special case code to implement V8HImode and V16QImode with SSE2.
2021 2006-04-15 Roger Sayle <roger@eyesopen.com>
2023 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2024 trees are constructed with a suitable tree type.
2026 2006-04-15 Roger Sayle <roger@eyesopen.com>
2028 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2029 (integer_onep): Likewise.
2030 (integer_all_onesp): Likewise.
2031 (integer_pow2p): Likewise.
2032 (integer_nonzerop): Likewise.
2033 (real_zerop): Likewise.
2034 (real_onep): Likewise.
2035 (real_twop): Likewise.
2036 (real_minus_onep): Likewise.
2037 (int_size_in_bytes): Likewise.
2038 (host_integerp): Likewise.
2040 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2042 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2043 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2044 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2046 * tree-ssa-structalias.h (alias_info): Remove num_references.
2048 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2050 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2051 (output_bvb patterns): Likewise.
2052 * pa.c (output_bb): Use 'bb' insn for long branch case.
2053 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2054 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2055 1. Correct length operand for alternatives 1 and 2.
2056 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2057 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2059 2006-04-14 Roger Sayle <roger@eyesopen.com>
2061 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2062 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2063 were accidentally reverted by r112959.
2065 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2068 * except.h (eh_region_outermost): New prototype.
2069 * except.c (eh_region_outermost): New function.
2070 * tree-cfg.c (find_outermost_region_in_block): Use it.
2072 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2074 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2076 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2077 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2078 (init_reload, reload): Use VEC instead of VARRAY.
2079 * reload.h: Update the prototype for
2080 reg_equiv_memory_loc_varray.
2082 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2083 Eric Botcazou <ebotcazou@libertysurf.fr>
2085 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2088 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2091 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2092 to expand fallback builtin function call.
2094 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2097 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2098 and emit libcall here in case the builtin fails.
2099 (expand_builtin_strcmp): Always emit the libcall here on failure.
2101 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2103 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2104 * flow.c (reg_n_info): Change the type to
2105 VEC(reg_info_p,heap) *.
2106 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2108 * regs.h (reg_info_p): New.
2109 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2110 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2111 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2114 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2116 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2118 * params.h (MAX_SCHED_READY_INSNS): New macro.
2119 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2120 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2121 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2122 the ready list for 1 cycle during the first scheduling pass.
2123 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2125 2006-04-13 Richard Henderson <rth@redhat.com>
2128 * gimple-low.c (lower_omp_directive): Remove dead code.
2129 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2130 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2131 * omp-low.c (struct omp_region): Move to tree-flow.h.
2132 (root_omp_region): Export.
2133 (omp_regions, lookup_omp_region): Remove.
2134 (determine_parallel_type): Update for struct omp_region changes.
2135 (dump_omp_region): Dump regions with block numbers.
2136 (new_omp_region): Take type and block instead of stmt; malloc
2138 (free_omp_region_1, free_omp_regions): New.
2139 (expand_parallel_call): Take entry_stmt as argument; update for
2140 changes to omp_region.
2141 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2142 (remove_exit_barriers): New.
2143 (expand_omp_parallel): Update for struct omp_region changes.
2144 (expand_omp_synch): Likewise.
2145 (expand_omp): Likewise.
2146 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2147 (expand_omp_for_static_chunk): Likewise.
2148 (expand_omp_for): Likewise.
2149 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2150 (expand_omp_sections): Similarly, with GOMP_sections_end.
2151 (expand_omp_single): New.
2152 (build_omp_regions_1): Update for OMP_CONTINUE.
2153 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2154 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2155 OMP_SECTIONS_SECTIONS.
2156 (lower_omp_single_simple): Don't emit barrier here.
2157 (lower_omp_single_copy): Likewise.
2158 (lower_omp_single): Fix bindings, and lower to straightline now.
2159 (lower_omp_master, lower_omp_ordered): Likewise.
2160 (lower_omp_critical): Likewise.
2161 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2162 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2163 omp edges, free it afterward.
2164 (make_omp_sections_edges): Remove.
2165 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2166 (move_stmt_r): Handle OMP_CONTINUE.
2167 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2168 statement pointers to basic blocks. Add type member.
2169 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2170 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2171 * tree-inline.c (estimate_num_insns_1): Likewise.
2172 * tree-pretty-print.c (dump_generic_node): Likewise.
2173 * tree-ssa-operands.c (get_expr_operands): Likewise.
2174 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2175 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2176 (OMP_CONTINUE): New.
2177 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2178 (OMP_SECTIONS_SECTIONS): Remove.
2179 (OMP_SECTION_LAST): New.
2180 (OMP_RETURN_NOWAIT): New.
2182 2006-04-13 Roger Sayle <roger@eyesopen.com>
2184 * fold-const.c (native_encode_vector, native_interpret_real):
2185 Correct obvious mistakes in the previous check-in.
2187 2006-04-13 Roger Sayle <roger@eyesopen.com>
2189 * fold-const.c (native_encode_expr): New function to encode
2190 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2191 or VECTOR_CST into a specified buffer.
2192 (native_encode_int): New function.
2193 (native_encode_real): New function.
2194 (native_encode_complex): New function.
2195 (native_encode_vector): New function.
2196 (native_interpret_expr): Inverse of native_encode_expr to convert
2197 a target representation into an INTEGER_CST, REAL_CST etc...
2198 (native_interpret_int): New function.
2199 (native_interpret_real): New function.
2200 (native_interpret_complex): New function.
2201 (native_interpret_vector): New function.
2202 (fold_view_convert_expr): New function to constant fold/evaluate
2203 a VIEW_CONVERT_EXPR of a suitable constant expression.
2204 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2205 Change call of build1 to fold_build1 when constructing a
2208 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2209 Ulrich Weigand <uweigand@de.ibm.com>
2212 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2215 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2218 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2219 optimize to lo_sum for DFmode if !TARGET_FPRS.
2221 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2223 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2224 delete_alias_info, compute_flow_sensitive_aliasing,
2225 group_aliases): Use VEC instead of VARRAY.
2226 * tree-ssa-structalias.c (update_alias_info): Likewise.
2227 * tree-ssa-structalias.h (alias_info): Change the type of
2228 processed_ptrs to VEC(tree,heap) *.
2230 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2233 * config/sh/lib1funcs.h: New file, broken out of:
2234 * config/sh/lib1funcs.asm.
2235 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2237 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2238 * config/sh/lib1funcs-Os-4-200.asm: New file.
2239 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2240 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2241 (EXTRA_MULTILIB_PARTS): Include it.
2242 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2243 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2244 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2245 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2248 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2250 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2251 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2252 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2254 * tree-ssa-live.h: Include vecprim.h.
2255 (tree_partition_associator_d): Change the type of
2256 first_partition to VEC(int,heap) *.
2257 (tpa_first_partition): Use VEC instead of VARRAY.
2259 * Makefile.in (GTFILES): Move functions.h after tree.h.
2260 * function.c (reset_block_changes, record_block_change,
2261 check_block_change, free_block_changes): Use VEC instead of
2263 * function.h (function): Change the type of
2264 ib_boundaries_block to VEC(tree,gc) *.
2265 * tree-inline.c (copy_cfg_body): Initialize
2266 ib_boundaries_block to NULL instead of (varray_type) 0.
2268 2006-04-12 Roger Sayle <roger@eyesopen.com>
2270 * expr.c (emit_group_store): Correct operand order in call to
2271 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2272 a SUBREG_BYTE of zero.
2274 2006-04-12 Richard Guenther <rguenther@suse.de>
2276 * profile.c (compute_branch_probabilities): Remove code
2277 encapsulated in !ir_type (), which are remanents of the
2278 removed RTL profiling code.
2279 * rtl-profile.c: Remove.
2281 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2283 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2284 magic NULL_RTX comment.
2285 (function_arg): Store entire fp arg to mem if any part should go
2287 (rs6000_arg_partial_bytes): Adjust for above change.
2289 2006-04-11 Roger Sayle <roger@eyesopen.com>
2291 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2292 if it hasn't been initialized by dwarf2out_init.
2294 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2296 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2297 symbolic constants in branch patterns.
2299 2006-04-11 Roger Sayle <roger@eyesopen.com>
2301 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2303 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2305 PR rtl-optimization/27073
2306 * gcse.c (try_replace_reg): Revert last change. Continue to search
2307 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2310 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2312 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2313 aggregate types other than record and union types.
2314 (function_arg): Likewise.
2315 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2317 (function_value): In 64-bit mode, return objects that require it
2320 2006-04-11 Roger Sayle <roger@eyesopen.com>
2322 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2324 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2326 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2328 2006-04-03 Jeff Law <law@redhat.com>
2331 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2332 alias information too.
2334 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2336 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2338 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2341 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2342 (premark_used_types_helper): New.
2343 (premark_used_types): New.
2344 (gen_subprogram_die): Call premark_used_types.
2345 (prune_unused_types_walk): Do not prune perennial dies.
2346 * function.c (used_types_insert): New.
2347 * function.h (struct function): Add used_types_hash field.
2348 (used_types_insert): Add prototype.
2349 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2350 * c-parser.c (c_parser_cast_expression): Save casted types in used
2353 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2356 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2357 rs6000_explicit_options.float_gprs.
2359 2006-04-10 Roger Sayle <roger@eyesopen.com>
2361 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2362 from ix86_expand_vector_init_low_nonzero. Take an additional
2363 one_var argument indicating which element is non-zero. Support
2364 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2365 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2366 with one_var instead of ix86_expand_vector_init_low_nonzero.
2368 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2370 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2371 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2372 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2373 build/genextract.o): Depend on vecprim.h.
2374 * cfglayout.c, df-problems.c, function.c, genextract.c,
2375 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2376 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2380 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2382 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2383 Declare VECs of this type.
2384 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2385 (remove_children): Delete.
2386 (add_dwarf_attr): Use VEC routines.
2387 (add_AT_flag): Update for changes to add_dwarf_attr.
2388 (add_AT_int): Likewise.
2389 (add_AT_unsigned): Likewise.
2390 (add_AT_long_long): Likewise.
2391 (add_AT_vec): Likewise.
2392 (add_AT_string): Likewise.
2393 (add_AT_die_ref): Likewise.
2394 (add_AT_fde_ref): Likewise.
2395 (add_AT_loc): Likewise.
2396 (add_AT_loc_list): Likewise.
2397 (add_AT_addr): Likewise.
2398 (add_AT_lbl_id): Likewise.
2399 (add_AT_lineptr): Likewise.
2400 (add_AT_macptr): Likewise.
2401 (add_AT_offset): Likewise.
2402 (add_AT_range_list): Likewise.
2403 (get_AT): Use VEC_iterate.
2404 (remove_AT): Use VEC_ordered_remove.
2405 (free_die): Fold remove_children into here; have it use VEC_iterate.
2406 (print_die): Use VEC_iterate on attrs.
2407 (reverse_die_lists): Don't reverse attr lists.
2408 (die_checksum): Use VEC_iterate on attrs.
2409 (same_die_p): Likewise.
2410 (output_location_lists): Likewise.
2411 (build_abbrev_table): Likewise.
2412 (size_of_die): Likewise.
2413 (unmark_all_dies): Likewise.
2414 (output_abbrev_section): Likewise.
2415 (output_die): Likewise.
2416 (prune_unused_types_walk_attribs): Likewise.
2418 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2420 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2422 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2425 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2427 2006-04-09 Roger Sayle <roger@eyesopen.com>
2429 * expr.c (store_constructor): Don't bother clearing target if
2430 we're about to assign a vector to it using vec_init_optab.
2432 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2434 * tree-ssa-alias.c (lhs_may_store_to): New function.
2435 (recalculate_used_alone): Handle LHS of calls.
2437 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2441 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2442 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2443 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2444 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2445 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2446 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2447 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2448 stubs. Add ".align 8" directives before all ".dword" directives.
2449 (GTHREAD_USE_WEAK): Revise comment.
2450 (TARGET_ATTRIBUTE_WEAK): Define.
2451 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2452 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2453 * stublib.c: New file.
2458 * pa.md (cbranch patterns): Revise arguments used in calls to
2459 output_cbranch, output_bb and output_bvd. Add long branch length
2461 (fbranch patterns): Handle long branches.
2462 (jump): Revise length check. Revise arguments for output_lbranch call.
2463 Add long branch length attributes.
2464 (decrement_and_branch_until_zero): Add long branch length attributes.
2465 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2466 Likewise. Revise arguments for output_parallel_addb and
2467 output_parallel_movb calls.
2468 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2469 output_parallel_movb and output_parallel_addb): Update prototypes.
2470 * pa.c (output_cbranch): Revise arguments. Correct handling of
2471 nullification in long branches.
2472 (output_lbranch): Add new argument to control extraction of delay
2474 (output_bb): Handle long branches.
2475 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2476 output_parallel_addb): Likewise.
2478 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2480 PR rtl-optimization/27073
2481 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2484 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2486 * tree.h (tree_memory_tag): Add old_used_alone.
2487 (SMT_OLD_USED_ALONE): New macro.
2488 * tree-ssa-alias.c (recalculate_used_alone): Stop
2489 marking things for renaming unnecessarily.
2491 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2493 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2494 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2495 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2496 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2497 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2498 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2499 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2500 spelling convensions.
2501 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2502 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2503 typos. Follow spelling conventions.
2505 2006-04-07 DJ Delorie <dj@redhat.com>
2507 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2508 passed on the stack.
2509 (m32c_init_cumulative_args): When a function returns a structure,
2510 always pass the pointer to that return area on the stack.
2511 (m32c_function_arg_advance): Don't increment the parameter number
2512 if we're processing the returned structure pointer.
2513 (pushm_info): Reverse order of registers.
2515 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2517 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2518 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2519 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2520 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2522 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2523 chrec_fold_multiply): Same.
2524 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2525 force_expr_to_var_cost): Same.
2526 * tree-mudflap.c (mf_xform_derefs_1): Same.
2527 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2529 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2531 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2532 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2535 2006-04-07 Jan Hubicka <jh@suse.cz>
2537 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2539 2006-04-07 Richard Guenther <rguenther@suse.de>
2541 PR tree-optimization/26135
2542 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2543 loads for store copy-prop.
2544 (copy_prop_visit_stmt): Likewise.
2546 2006-04-05 Robert Millan <robertmh@gnu.org>
2548 * config/i386/linux.h: Add a comment to mark macros that are
2549 being overriden in config/k*bsd-gnu.h.
2550 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2552 * config/knetbsd-gnu.h: Ditto.
2554 2006-04-06 Jan Hubicka <jh@suse.cz>
2558 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2561 2006-04-06 Mike Stump <mrs@apple.com>
2563 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2564 for HAVE_nonlocal_goto to be consistent.
2565 (expand_builtin_nonlocal_goto): Likewise.
2566 (expand_builtin_strcmp): Use #ifdef instead of #if
2567 for HAVE_cmpstrnsi to be consistent.
2569 2006-04-05 DJ Delorie <dj@redhat.com>
2571 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2574 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2576 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2577 got-relative addressing for anything but SImode.
2579 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2580 even if the calling function doesn't modify them.
2582 2006-04-05 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/26919
2585 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2586 to cgraph_estimate_size_after_inlining.
2588 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2590 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2592 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2594 PR tree-optimization/26996
2595 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2596 VECTOR_TYPE variables.
2598 2006-04-05 Richard Guenther <rguenther@suse.de>
2600 PR tree-optimization/26763
2601 * fold-const.c (fold_comparison): Move folding of
2602 PTR + CST CMP PTR + CST ...
2603 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2605 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2607 * doc/install.texi (Prerequisites): Refine some wording on
2608 bootstrapping and ksh.
2609 Move the version numbers of DejaGnu here from the testing section
2610 and fix casing of names.
2611 Fix markup and clarify wording for autogen requirements.
2612 Refer to GCJ instead of just java.
2613 Refer to SVN instead of CVS.
2614 Describe diffutils as useful instead of necessary.
2615 (Downloading the source): Refer to SVN instead of CVS.
2616 Adjust a link to our web site accordingly.
2617 (Configuration): Fix casing of Bison.
2618 (Building): Refer to SVN instead of CVS.
2619 Fix a sentence on the use of Bison and remove duplicate (and
2620 incorrect) version number of Bison requirement.
2621 Remove one redundant list of packages needed for building.
2622 (Specific): Avoid reference to CVS.
2624 2006-04-04 Eric Christopher <echristo@apple.com>
2626 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2627 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2628 (rs6000_handle_struct_attribute): New.
2629 (rs6000_ms_bitfield_layout_p): Ditto.
2631 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2633 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2634 NULL for dso parameter to atexit_common.
2636 2006-04-04 Eric Christopher <echristo@apple.com>
2638 * config/i386/i386.c (machopic_output_stub): Output \t
2639 between instructions and operands.
2641 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2643 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2644 satisfies_constraint_[IL] to explicit tests on value.
2646 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2648 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2649 set_nb_iterations_in_loop): Use build_int_cst instead of
2651 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2652 build_int_cst instead of convert.
2654 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2656 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2657 new value 2 for incoming.
2658 * function.c (expand_function_start): Call struct_value_rtx
2660 * config/sparc/sparc.md: Comment updated_return.
2661 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2662 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2663 struct return if sparc_std_struct_return and incoming is 2.
2664 (print_operand): Do not adjust return if
2665 sparc_std_struct_return.
2667 2006-04-04 Roger Sayle <roger@eyesopen.com>
2669 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2670 convert in the middle-end.
2671 * expr.c (store_expr, store_constructor, get_inner_reference,
2672 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2674 * tree.c (build_range_type): Likewise.
2676 2006-04-04 Tom Tromey <tromey@redhat.com>
2678 * doc/install.texi (Prerequisites): Mention jar.
2680 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2682 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2685 2006-04-04 Matthias Klose <doko@debian.org>
2687 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2688 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2691 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2693 * doc/extend.texi (Function Attributes): Rewrite visibility
2694 attribute documentation.
2695 * doc/invoke.texi (C++ Dialect Options): Rewrite
2696 -fvisibility-inlines-hidden documentation to describe something
2697 entirely different, although in practise compatible.
2698 (Code Gen Options): Warn about system headers in -fvisibiltity=
2701 * doc/extend.texi (Other Builtins): Document that
2702 __builtin_nan is a compile-time constant only when its argument
2705 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2707 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2708 trying to remove TRUNCATE check if all bits outside the new mode
2709 are identical to the sign bit.
2711 2006-04-03 Jeff Law <law@redhat.com>
2713 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2714 and operand scanning in some common cases.
2716 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2717 Dale Johannesen <dalej@apple.com>
2720 * regclass.c (struct reg_pref): Update documentation.
2721 (regclass): Set prefclass to NO_REGS if memory is the best option.
2722 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2723 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2724 into account. For non-registers, equate an empty preferred
2725 reload class to a `!' in the constraint; move the if clause to
2726 do so after those that reject the insn.
2727 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2729 (find_dummy_reload): Likewise.
2730 * doc/tm.texi (Register Classes): Document what it means
2731 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2732 * config/i386/i386.c (ix86_preferred_reload_class): Force
2733 using SSE registers (and return NO_REGS for floating-point
2734 constants) if math is done with SSE.
2735 (ix86_preferred_output_reload_class): New.
2736 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2737 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2738 * config/i386/i386.md: Remove # register preferences.
2740 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2743 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2744 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2745 the type of nb_iter.
2746 (instantiate_parameters_1): Convert the operands before calling
2747 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2748 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2750 2006-04-02 Roger Sayle <roger@eyesopen.com>
2752 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2753 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2755 * dojump.c (do_jump): Likewise.
2756 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2757 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2758 gimplify_boolean_expr): Likewise.
2759 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2760 * varasm.c (array_size_for_constructor): Likewise.
2761 * tree-object-size.c (compute_object_offset): Likewise.
2763 2006-04-02 Roger Sayle <roger@eyesopen.com>
2766 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2767 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2769 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2771 PR tree-optimization/26939
2772 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2774 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2776 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2777 at_stmt. Convert the type of operands before calling
2778 build_polynomial_chrec.
2779 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2781 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2782 (instantiate_parameters_1): Convert the type of operands before calling
2783 build_polynomial_chrec.
2784 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2785 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2786 reset_evolution_in_loop): Insert asserts to check the types of the
2788 (chrec_type): Moved...
2789 (eq_evolutions_p): Use operand_equal_p.
2790 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2791 the types of the operands.
2792 (chrec_type): ...here.
2793 * tree-data-ref.c (create_data_ref): Convert the operands before
2794 calling chrec_replace_initial_condition.
2795 (same_access_functions, analyze_subscript_affine_affine,
2796 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2797 (compute_subscript_distance, analyze_ziv_subscript,
2798 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2799 analyze_miv_subscript): Convert the operands before calling
2800 chrec_fold_minus or chrec_fold_plus.
2802 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2804 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2805 the dependence_relations vector.
2806 (compute_data_dependences_for_loop): Adjust call to
2807 compute_all_dependences.
2809 2006-04-01 Roger Sayle <roger@eyesopen.com>
2810 Richard Henderson <rth@redhat.com>
2812 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2813 gimple_boolify on the condition before calling gimplify_expr.
2815 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2817 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2818 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2819 the frame size. Update to use the new macros.
2820 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2821 * config/xtensa/ieee754-df.S: Likewise.
2823 2006-03-31 Richard Henderson <rth@redhat.com>
2825 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2826 (make_edges): ... here. Control fallthru creation with a local
2827 variable. Do not play with fake edges.
2828 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2829 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2832 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2834 * dwarf2.h (DW64_CIE_ID): Define.
2835 * dwarf2out.c (DWARF_CIE_ID): Define.
2836 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2837 length header. Use DWARF_CIE_ID.
2838 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2839 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2841 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2843 * config/sh/linux-atomic.asm: New file.
2844 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2846 2006-03-31 DJ Delorie <dj@redhat.com>
2848 * config/m32c/cond.md: Set condition flags properly throughout.
2849 * config/m32c/minmax.md: Likewise.
2850 * config/m32c/prologue.md: Likewise.
2851 * config/m32c/bitops.md: Likewise.
2852 * config/m32c/muldiv.md: Likewise.
2853 * config/m32c/mov.md: Likewise.
2854 * config/m32c/addsub.md: Likewise.
2855 * config/m32c/m32c.md: Likewise.
2856 * config/m32c/jump.md: Likewise.
2857 * config/m32c/shift.md: Likewise.
2859 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2860 conditionally output the pattern for this.
2861 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2862 (m32c_compare_redundant): New.
2863 (m32c_output_compare): New.
2864 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2866 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2867 dest, not src. Allow other 4-byte modes.
2869 2006-03-30 Denis Chertykov <denisc@overta.ru>
2871 * doc/md.texi: Refer to avr/constraints.md instead of
2874 2006-03-30 Roger Sayle <roger@eyesopen.com>
2876 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2877 signed vs. unsigned comparison failures on some hosts.
2879 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2882 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2883 change to FLOAT_REGS.
2885 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2886 (rs6000_override_options): Use it.
2887 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2888 only for -mabi=spe/no-spe and -mabi=altivec.
2890 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2892 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2895 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2897 * Makefile.in: Rename docdir to gcc_docdir.
2899 2006-03-30 Roger Sayle <roger@eyesopen.com>
2902 * expr.c (emit_group_store): Optimize group stores into a pseudo
2903 register by using a paradoxical subreg to initialize the destination
2904 if the first or last member of the group specifies a "low part".
2906 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2909 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2910 * target.h (struct gcc_target.speculate_insn): Change type of the
2911 second parameter to 'int'.
2912 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2913 the second operand of the DEPS_LIST.
2914 (copy_DEPS_LIST_list): Update reference to the second operand of the
2916 * rtl.h (alloc_DEPS_LIST): Update signature.
2917 * sched-int.h (ds_t): Change typedef to 'int'.
2918 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2920 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2922 * haifa-sched.c (try_ready): Change condition to restore
2923 non-speculative pattern of the instruction.
2924 (process_insn_depend_be_in_spec): Code to keep probability of the
2925 speculative dependence non-decreasing.
2927 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2929 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2930 (single_move_for_movmem): ... this. Also change all uses.
2931 (bfin_expand_strmov): Renamed to...
2932 (bfin_expand_movmem): ... this. Also change all uses.
2933 * config/bfin/bfin.md (movstrsi): Renamed to...
2934 (movstrsi): ...this.
2936 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2938 PR tree-optimization/26830
2940 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2941 (copy_prop_visit_stmt): Remove write-only variable ann.
2942 (init_copy_prop): Check variable loop depth here. Do not simulate
2943 memory-tag and virtual operand PHIs except for store copy prop.
2945 2006-03-30 Richard Guenther <rguenther@suse.de>
2947 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2948 variants with double arguments.
2950 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2952 * genpreds.c (write_tm_constrs_h): Delete variable p.
2953 * genconditions.c (write_header): Add tm-constrs.h to included
2955 * genpeep.c (main): Add toplev.h to included headers.
2956 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2957 (build/genpeep.o): Add toplev.h dependency.
2958 * config/rs6000/constraints.md: Add "W" constraint.
2960 2006-03-29 Roger Sayle <roger@eyesopen.com>
2962 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2963 sizes by correctly testing whether the size fits a host integer.
2964 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2965 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2966 SImode range for the default sizetype and bitsizetype.
2968 2006-03-29 Roger Sayle <roger@eyesopen.com>
2970 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2971 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2972 quickly if the argument is already of the correct type.
2973 Call fold_build1 instead of build1. Tidy up blank lines.
2975 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2977 * genemit.c (main): Add tm-constrs.h to included headers.
2978 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2979 * genpeep.c (main): Add tm-constrs.h to included headers.
2980 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2981 (write_tm_constrs_h): this and write complete file.
2982 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2983 (write_insn_preds_c): Add tm-constrs.h to included headers.
2984 (gen_constrs): New variable.
2985 (parse_option): Parse "-c".
2986 (main): Invoke write_tm_constrs_h.
2987 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2988 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2989 (object_out_file): Add tm-constrs.h dependency.
2990 (insn-emit.o): Same.
2991 (insn-output.o): Same.
2992 (insn-peep.o): Same.
2993 (insn-preds.o): Same.
2994 (insn-recog.o): Same.
2995 (tm-constsr.h): New target.
2996 (s-constrs-h): New target.
2998 * config/rs6000/constraints.md: New file.
2999 * config/rs6000/rs6000.c: Include tm-constrs.h.
3000 (num_insn_constant_wide): Convert to satisfies_constraint.
3001 (rs6000_rtx_costs): Convert to satisfies_constraint.
3002 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3003 (CONST_OK_FOR_LETTER_P): Delete.
3004 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3005 (EXTRA_CONSTRAINT): Delete.
3006 (EXTRA_MEMORY_CONSTRAINT): Delete.
3007 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3008 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3009 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3010 satisfies_constraint.
3012 * config/i386/i386.c: Include tm-constrs.h.
3014 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3016 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3017 * tree-data-ref.c (find_data_references_in_loop,
3018 compute_data_dependences_for_loop): Use pointers to VEC.
3019 (analyze_all_data_dependences): Adjust calls.
3020 * tree-data-ref.h (find_data_references_in_loop,
3021 compute_data_dependences_for_loop): Adjust declarations.
3022 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3023 compute_data_dependences_for_loop.
3025 2006-03-29 Paul Brook <paul@codesourcery.com>
3027 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3030 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3032 PR tree-optimization/26859
3033 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3035 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3036 for the step after fold_convert.
3038 2006-03-29 Paul Brook <paul@codesourcery.com>
3040 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3041 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3043 2006-03-29 Paul Brook <paul@codesourcery.com>
3046 * targhooks.c (default_narrow_bitfield): New fuction.
3047 * targhooks.h (default_narrow_bitfield): add prototype.
3048 * target.h (gcc_target): Add narrow_volatile_bitfield.
3049 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3050 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3051 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3052 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3054 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3056 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3058 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3059 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3060 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3061 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3062 (s390_function_arg_float): Allow SDmode and DDmode values to be
3063 passed in floating point registers.
3064 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3065 check with SCALAR_FLOAT_MODE_P.
3066 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3068 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3070 PR tree-optimization/25985
3071 * tree-ssa-loop-niter.c (number_of_iterations_le,
3072 number_of_iterations_ne): Make comments more precise.
3073 (number_of_iterations_cond): Add only_exit argument. Use the
3074 fact that signed variables do not overflow only when only_exit
3076 (loop_only_exit_p): New.
3077 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3078 number_of_iterations_cond.
3080 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3082 PR tree-optimization/26643
3083 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3086 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3088 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3089 (divsi3_i4_int): Likewise.
3091 2006-03-28 Roger Sayle <roger@eyesopen.com>
3093 * expr.c (emit_group_store): Only create a new pseudo reg if the
3094 quantity it needs to hold isn't already a suitable pseudo.
3096 2006-03-28 Jeff Law <law@redhat.com>
3098 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3099 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3101 2006-03-28 Roger Sayle <roger@eyesopen.com>
3103 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3104 the equivalent ~X & Y, and the symmetry related transformations.
3105 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3106 ~X & Y, and symmetry related transforms.
3108 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3110 Revert my 2006-03-27 patches.
3112 2006-03-28 Roger Sayle <roger@eyesopen.com>
3114 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3115 ~(T1)X, when T1 and T2 are integer types of the same precision
3116 and (T2)X isn't an extension.
3118 2006-03-28 Jeff Law <law@redhat.com>
3120 PR tree-optimization/26796
3121 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3122 need EH edge cleanups rather than purging them immediately.
3123 (eliminate_degenerate_phis): Handle queued EH cleanups.
3125 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3127 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3130 2006-03-27 Roger Sayle <roger@eyesopen.com>
3133 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3134 cast BIT_NOT_EXPR operand to the correct type.
3136 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3138 * tree-loop-linear.c: Don't include varray.h.
3139 (gather_interchange_stats, try_interchange_loops,
3140 linear_transform_loops): Use VEC instead of VARRAY.
3141 * lambda-mat.c: Don't include varray.h.
3142 * tree-chrec.c: Same.
3143 * lambda-trans.c: Same.
3144 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3145 VEC instead of VARRAY.
3146 * tree-vectorizer.h: Idem.
3147 * tree-data-ref.c (dump_data_references,
3148 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3149 initialize_data_dependence_relation, finalize_ddr_dependent,
3150 compute_all_dependences, find_data_references_in_loop,
3151 compute_data_dependences_for_loop, analyze_all_data_dependences,
3152 free_dependence_relation, free_dependence_relations,
3153 free_data_refs): Idem.
3154 * tree-data-ref.h (data_reference_p, subscript_p): New.
3155 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3156 VEC instead of VARRAY.
3157 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3158 (find_data_references_in_loop, compute_data_dependences_for_loop,
3159 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3160 dump_data_dependence_relations, free_dependence_relations,
3161 free_data_refs): Adjust declaration.
3162 (lambda_transform_legal_p): Move declaration here...
3163 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3164 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3165 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3166 vect_analyze_data_refs): Use VEC instead of VARRAY.
3167 * lambda.h (lambda_transform_legal_p): ...from here.
3168 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3169 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3170 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3171 tree-chrec.o): Don't depend on VARRAY_H.
3173 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3175 * rtl.def (Copyright): Update date.
3176 (DEPS_LIST): Change type of the second operand to 'int'.
3177 * target.h (Copyright): Update date.
3178 (struct gcc_target.speculate_insn): Change type of the second parameter
3180 * lists.c (Copyright): Update date.
3181 (alloc_DEPS_LIST): Change signature. Update reference to the second
3182 operand of the DEPS_LIST.
3183 (copy_DEPS_LIST_list): Update reference to the second operand of the
3185 * rtl.h (Copyright): Update date.
3186 (alloc_DEPS_LIST): Update signature.
3187 * sched-int.h (Copyright): Update date.
3188 (ds_t): Change typedef to 'int'.
3189 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3191 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3193 * haifa-sched.c (Copyright): Update date.
3194 (try_ready): Change condition to restore non-speculative pattern
3196 (process_insn_depend_be_in_spec): Code to keep probability of the
3197 speculative dependence non-decreasing.
3199 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3201 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3202 shut up the compiler.
3204 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3206 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3207 to use lib prefix for target.
3208 ($(T)libic_invalidate_array_4-200.a): Likewise.
3209 ($(T)libic_invalidate_array_4a.a): Likewise.
3211 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3212 J"orn Rennecke <joern.rennecke@st.com>
3214 * superh.opt: New file.
3215 * sh.c (boardtype, osruntime): Remove.
3216 * superh.h (SUBTARGET_OPTIONS): Remove.
3217 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3219 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3220 arguments with ^ and/or [].
3222 * config.gcc (sh-*-*): Add quoting to account for quirk of
3224 Replace == with = in enable_incomplete_targets test.
3226 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3227 with MASK_LITTLE_ENDIAN.
3229 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3230 * config/sh/sh.opt: Added to some comments.
3231 * config/sh/superh.h: Removed some chaff.
3233 * config/sh/sh.opt: Add m4-[1234]00* options.
3234 * config/sh/sh.c (sh_handle_option): Likewise.
3235 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3236 (ic_invalidate_array_4-100.o): New rule.
3237 ($(T)libic_invalidate_array_4-100.a): Likewise.
3238 (ic_invalidate_array_4-200.o): Likewise.
3239 ($(T)libic_invalidate_array_4-200.a): Likewise.
3240 (ic_invalidate_array_4a.o): Likewise.
3241 ($(T)libic_invalidate_array_4a.a): Likewise.
3242 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3243 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3245 * config/sh/crt1.asm: Merged in profiling code.
3246 * config/sh/superh.h (STARTFILE_SPEC): Override.
3247 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3248 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3249 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3251 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3252 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3253 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3255 * sh.opt (mpretend-cmove): New option.
3256 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3257 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3258 (movsicc): Add TARGET_PRETEND_CMOVE code.
3260 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3262 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3263 s390_class_max_nregs): New function prototypes.
3264 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3265 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3266 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3267 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3269 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3271 * dwarf2out.c (add_location_or_const_value_attribute): Call
3272 tree_add_const_value_attribute if nothing else works.
3273 (reference_to_unused): New.
3274 (rtl_for_decl_init): Use reference_to_unused to decide whether
3275 to output an initializer.
3277 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3280 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3281 peephole removing spe frob_di_df_2.
3283 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3285 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3286 (subscript_dependence_tester_1): Declared.
3287 (print_dir_vectors, print_dist_vectors): New.
3288 (debug_data_dependence_relation): New.
3289 (dump_data_dependence_relation): Print more details.
3290 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3291 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3292 (save_dist_v, save_dir_v, add_outer_distances,
3293 build_classic_dist_vector_1): New.
3294 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3295 Don't test for lambda_vector_lexico_pos.
3296 (same_access_functions, add_multivariate_self_dist,
3297 add_other_self_distances, dir_from_dist): New.
3298 (build_classic_dir_vector): Replace implementation almost identical to
3299 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3301 (subscript_dependence_tester_1): New.
3302 (subscript_dependence_tester): Handle the lexicographically negative
3303 distance vectors by recomputing the dependence relation.
3304 (compute_affine_dependence): Remove parameter loop_nest_depth.
3305 (compute_self_dependence): Don't call compute_subscript_distance.
3306 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3307 Add a parameter for the loop_nest.
3308 (find_loop_nest_1, find_loop_nest): New.
3309 (compute_data_dependences_for_loop): Compute the loop nest, and give
3310 up if the nest is not well formed.
3311 * tree-data-ref.h (loop_p): New.
3312 (struct data_dependence_relation): Replace size_vect field with
3313 loop_nest, a vec of loops.
3314 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3315 (DDR_LOOP_NEST): New.
3316 (print_dir_vectors, print_dist_vectors,
3317 debug_data_dependence_relation): Declared.
3318 (index_in_loop_nest): New.
3319 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3320 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3323 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3325 * simplify-rtx.c (simplify_relational_operation): Call
3326 simplify_relational_operation_1 even if mode is VOIDmode.
3328 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3330 PR tree-optimization/26804
3331 * tree.h (DECL_CALL_CLOBBERED): New macro.
3332 (tree_decl_common): Add call_clobbered_flag.
3333 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3334 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3335 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3336 (mark_non_addressable): Ditto.
3337 * tree-ssa.c (verify_call_clobbered): New function.
3338 (verify_alias_info): Use it.
3339 * tree-pass.h (pass_reset_cc_flags): New prototype.
3340 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3341 (reset_cc_flags): New function.
3342 * passes.c (init_optimization_passes): Call reset_cc_flags after
3343 initializing referenced_vars.
3345 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3346 Roger Sayle <roger@eyesopen.com>
3349 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3350 to 1.0 for non-real operands. Implement A / A optimization for
3353 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3355 * config/i386/i386.c (size_cost): Correct the comment for
3356 cost of storing fp registers.
3357 (i386_cost): Likewise.
3358 (i486_cost): Likewise.
3359 (pentium_cost): Likewise.
3360 (pentiumpro_cost): Likewise.
3361 (k6_cost): Likewise.
3362 (athlon_cost): Likewise.
3363 (k8_cost): Likewise.
3364 (pentium4_cost): Likewise.
3365 (nocona_cost): Likewise.
3366 (generic64_cost): Likewise.
3367 (generic32_cost): Likewise.
3369 2006-03-24 Denis Chertykov <denisc@overta.ru>
3371 * config/avr/avr-protos.h (extra_constraint): Delete.
3372 (extra_constraint_Q): New declaration.
3373 * config/avr/constraints.md: New file.
3374 * config/avr/avr.md: Include it.
3375 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3376 (TMP_REGNO, ZERO_REGNO): Likewise.
3377 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3378 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3379 (extra_constraint): Delete.
3380 (extra_constraint_Q): Test for memory constraint 'Q'.
3381 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3382 (REG_CLASS_FROM_LETTER): Delete.
3383 (CONST_OK_FOR_LETTER_P): Delete.
3384 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3385 (EXTRA_CONSTRAINT): Delete.
3386 (TMP_REGNO): Delete.
3387 (ZERO_REGNO): Delete.
3389 2006-03-24 Jeff Law <law@redhat.com>
3391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3392 directly. Call mark_new_vars_to_rename slightly earlier.
3394 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3396 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3398 (gen_compile_unit_die): Use new language types for Objective-C and
3400 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3401 DW_LANG_C_plus_plus.
3404 * config/t-darwin (crt3.o): Work around bug 26840.
3405 * config/darwin-crt3.c: Rewrite.
3406 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3408 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3410 * doc/invoke.texi: Document -femit-class-debug-always
3411 * common.opt: Add -femit-class-debug-always.
3413 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3415 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3416 index and base register.
3417 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3418 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3419 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3420 REGNO_OK_FOR_INDEX_P.
3421 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3423 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3424 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3425 REG_OK_FOR_BASE_P): Definitions removed.
3427 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3430 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3431 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3432 set yet or weren't marked as local yet.
3434 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3436 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3439 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3441 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3442 (rs6000_legitimate_small_data_p): Delete.
3443 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3444 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3445 and make static. Add forward declaration. Update uses.
3446 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3447 of offsettable_memref_p.
3448 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3449 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3451 2006-03-24 Jeff Law <law@redhat.com>
3453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3454 around bug in immediate-use iterator.
3456 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3459 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3460 or __LITTLE_ENDIAN__.
3462 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3464 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3465 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3466 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3467 * config/sh/sh.opt (mdiv=): Amend description.
3468 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3469 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3470 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3471 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3472 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3473 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3474 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3475 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3476 TARGET_DIVIDE_CALL_FP.
3478 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3480 * haifa-sched.c (choose_ready): Fix type of the local variable.
3481 Move local variables. Add comment.
3482 (check_reg_live): Change signature. Make callable from debugger.
3483 * sched-int.h (check_reg_live): Update signature.
3484 * sched-ebb.c (check_reg_live): Update parameters.
3485 * sched-rgn.c (check_reg_live): Ditto.
3486 (region_head_or_leaf_p): Check pointer before dereferencing.
3487 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3488 before reload on optimization levels below 1.
3490 2006-03-23 Richard Henderson <rth@redhat.com>
3492 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3496 * config/alpha/predicates.md (local_symbolic_operand): Reject
3499 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3502 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3503 expressions which have overflowed constants.
3505 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3507 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3509 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3511 * cfgloopmanip.c (create_loop_notes): Removed.
3512 * final.c (final_scan_insn): Do not handle loop notes.
3513 * jump.c (squeeze_notes): Ditto.
3514 * cfglayout.c (skip_insns_after_block,
3515 duplicate_insn_chain): Ditto.
3516 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3518 * cfgloop.h (create_loop_notes): Declaration removed.
3520 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3522 * varasm.c (output_constant_pool): Restore fnname and fndecl
3524 (assemble_start_function): Adjust call accordingly.
3525 (assemble_end_function): Likewise.
3527 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3530 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3533 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3535 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3538 * system.h (ICE_EXIT_CODE): New macro.
3539 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3540 (diagnostic_action_after_output): Likewise.
3541 * gcc.c (fatal_ice): New function.
3542 (execute): Use it instead of fatal.
3543 (fancy_abort): Likewise.
3544 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3546 2006-03-22 Jeff Law <law@redhat.com>
3548 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3549 iv_analyze_result returning false.
3551 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3553 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3555 2006-03-22 Richard Henderson <rth@redhat.com>
3558 * except.c (duplicate_eh_regions_0): New.
3559 (duplicate_eh_region_1): Duplicate the children of the node as
3560 well as the node itself. Link them up properly.
3561 (duplicate_eh_region_2): Merge into ...
3562 (duplicate_eh_regions): ... here. Take copy_region argument, and
3563 copy only a sub-tree if asked. Simplify copying and fixup.
3564 (eh_region_outer_p): New.
3565 * except.h (duplicate_eh_regions): Update decl.
3566 (eh_region_outer_p): Declare.
3567 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3568 (lower_omp_master): Likewise.
3569 (lower_omp_ordered): Likewise.
3570 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3571 (move_stmt_r): Use it to remap labels. Handle recursion vs
3572 remap_decls_p properly.
3573 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3574 (find_outermost_region_in_block): New.
3575 (new_label_mapper): New.
3576 (move_sese_region_to_fn): Copy eh information to the new function
3578 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3580 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3583 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3585 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3586 into shared libraries.
3588 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3590 * doc/md.texi: Refer to i386/constraints.md instead of
3592 * config/i386/constraints.md: New file, extracted from...
3593 * config/i386/predicates.md: ...here.
3594 * config/i386/i386.md: Include constraints.md.
3596 2006-03-21 Jason Merrill <jason@redhat.com>
3598 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3601 * expr.c (init_block_move_fn): Force default visibility.
3602 (init_block_clear_fn): Likewise.
3603 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3604 * targhooks.c (default_external_stack_protect_fail): Likewise.
3606 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3608 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3609 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3610 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3611 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3612 (loadgp): Use mips_current_loadgp_style.
3613 (loadgp_noshared): New pattern.
3614 (sibcall_internal): Use MIPS_CALL.
3615 (sibcall_value_internal): Likewise.
3616 (sibcall_value_multiple_internal): Likewise.
3617 (call_internal): Likewise.
3618 (call_value_internal): Likewise.
3619 (call_value_multiple_internal): Likewise.
3620 (call_split): Use MIPS_CALL and add an 'S' constraint.
3621 (call_value_split): Likewise.
3622 (call_value_multiple_split): Likewise.
3623 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3624 (-mshared): New option.
3625 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3626 (mips_current_loadgp_style): Declare.
3627 * config/mips/mips.c (mips_classify_symbol): Avoid using
3628 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3629 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3630 TARGET_ABSOLUTE_ABICALLS.
3631 (override_options): Adjust comments. Improve the warning that is
3632 issued when -mabicalls and -G are used together.
3633 (mips_file_start): Remove comment.
3634 (mips_current_loadgp_style): New function.
3635 (mips_gnu_local_gp): New variable.
3636 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3638 (mips_output_function_prologue): Use mips_current_laodgp_style.
3639 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3640 the cprestore instruction.
3641 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3642 live for TARGET_ABSOLUTE_ABICALLS.
3643 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3644 (ASM_SPEC): Pass down -mshared and -mno-shared.
3645 (MIPS_CALL): New macro.
3646 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3648 * doc/invoke.texi (-mabicalls): Update documentation.
3649 (-mshared): Document.
3651 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3653 * config/ia64/unwind-hpux.c: New file.
3654 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3656 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3659 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3661 2006-03-21 Jeff Law <law@redhat.com>
3663 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3664 type conversions of a VR_VARYING source to a wider type.
3666 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3668 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3669 tm_file on Solaris 10 and later.
3670 (sparc64-*-solaris2*): Likewise.
3671 (sparc-*-solaris2*): Likewise.
3672 * config/sol26.h: Rename to config/sol2-6.h.
3673 * config/sol2-10.h: New file.
3675 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3678 * tree-ssa-pre.c (create_component_ref_by_pieces):
3681 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3684 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3685 return it immediately.
3687 2006-03-21 Michael Matz <matz@suse.de>
3689 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3691 (remove_arc, add_arc): Update num_out_arcs member.
3692 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3694 (cache_presence): New function.
3695 (compare_states_for_equiv): New function.
3696 (state_is_differed): Don't take number of outargs, adjust callers.
3697 Use new invariant for speeding up.
3698 (init_equiv_class): Create initial classes based on sorted
3700 (partition_equiv_class): Don't track out_arcs_num.
3701 (evaluate_equiv_classes): Call cache_presence on all states and
3704 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3706 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3707 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3708 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3709 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3711 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3712 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3713 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3714 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3715 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3717 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3718 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3719 (REGNO_REG_CLASS): ARGP is in PREGS.
3720 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3722 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3723 to deal with those addresses.
3724 * addresses.h: New file.
3725 * caller-save.c: Include "addresses.h".
3726 (init_caller_save): Use new base_reg_class function.
3727 * rtl-factoring.c: Include "addresses.h".
3728 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3729 * recog.c: Include "addresses.h".
3730 (preprocess_constraints): Use new base_reg_class function.
3731 * regrename.c: Include "addresses.h".
3732 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3733 functions. Keep track of a new var INDEX_CODE to compute valid
3735 (replace_oldest_value_addr): Likewise.
3736 (replace_oldest_value_mem): Use base_reg_class.
3737 * reload.c: Include "addresses.h".
3738 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3739 (find_reloads): Use new base_reg_class function.
3740 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3741 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3742 all callers and prototype changed.
3743 * reload1.c: Include "addresses.h".
3744 (maybe_fix_stack_asms): Use base_reg_class.
3745 * regclass.c: Include "addresses.h".
3746 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3747 (init_reg_autoinc): Use new base_reg_class function.
3748 (record_reg_classes): Likewise.
3749 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3750 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3751 Use new args to compute necessary class.
3753 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3754 regrename.o, rtl-factoring.o): Update dependencies.
3755 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3756 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3757 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3758 REG_OK_FOR_INDEX_P): Delete documentation.
3760 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3762 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3763 from V7 to V9 for Solaris 7 and above.
3765 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3767 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3768 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3769 argument pointers may not alias any other storage.
3770 * common.opt: Define option -fargument-noalias-anything.
3771 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3772 alias semantics is specified by flag_argument_noalias > 2.
3774 2006-03-20 Jeff Law <law@redhat.com>
3776 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3777 (pass_phi_only_cprop): Declare.
3778 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3780 * tree-ssa-dom.c (degenerate_phi_result): New function.
3781 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3782 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3783 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3784 (eliminate_degenerate_phis): Likewise.
3785 (pass_phi_only_cprop): New pass descriptor.
3786 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3787 support code. Callers updated.
3788 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3789 (store_copy_prop): Likewise.
3790 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3792 2006-03-20 Jason Merrill <jason@redhat.com>
3795 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3796 (push_visibility, pop_visibility): Likewise.
3797 * c-pragma.h: Declare them.
3799 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3801 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3803 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3804 parameter and use get_ebb_head_tail.
3805 (sh_md_init_global): Adjust uses of find_regmode_weight.
3807 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3809 * function.h (struct function) <x_tail_recursion_reentry>:
3810 Rename to x_stack_check_probe_note.
3811 (tail_recursion_reentry): Rename to stack_check_probe_note.
3812 * function.c: Replace tail_recursion_reentry with
3813 stack_check_probe_note everywhere.
3814 (expand_function_start): Only emit a note for
3815 stack_check_probe_note with -fstack-protect.
3816 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3818 * emit-rtl.c (remove_unnecessary_notes): Remove.
3819 (pass_remove_unnecessary_notes): Remove.
3820 * rtl.h (remove_unnecessary_notes): Remove prototype.
3821 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3822 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3823 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3825 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3828 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3829 (valid_in_set): Handle ARRAY_REF.
3830 Change "if min_variant or VH" to asserts.
3831 (create_component_ref_by_pieces): Handle ARRAY_REF.
3832 (create_expression_by_pieces): Likewise.
3833 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3835 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3837 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3838 is operand of switch, not str[0].
3840 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3842 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3843 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3845 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3847 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3848 end of insn_extra_address_constraint declaration.
3850 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3852 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3853 (no-sum-in-toc): Same.
3854 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3856 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3857 NO_FP_IN_TOC for -fPIC instead of mask.
3859 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3860 (BOOT_LDFLAGS): Delete.
3862 * config/rs6000/t-aix52: Same.
3864 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3865 (stmsi[345678]_power): New.
3867 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3869 * config/ia64/ia64.opt: Add empty line to end of file.
3871 2006-03-17 Richard Guenther <rguenther@suse.de>
3874 * builtins.c (get_pointer_alignment): For component style references
3875 adjust alignment to the component type alignment. Make sure
3876 to adjust alignment for component access of constants.
3878 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3880 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3883 2006-03-17 Paul Brook <paul@codesourcery.com>
3885 * doc/install.texi: Docuemnt --with-mode.
3886 * config.gcc: Add --with-mode for arm*-*-*.
3887 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3889 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3891 * sh.c (max_labelno_before_reorg): New variable.
3892 (sh_reorg): Initialize it.
3893 (find_barrier): Check max_labelno_before_reorg before using
3894 label_to_alignment. Take length of explicit alignment insns
3895 into account. When seeing a UNSPECV_CONST_END, return it.
3897 * sh.c (fixup_mova): Set mode of affected label to QImode.
3898 (untangle_mova): New function.
3899 (find_barrier): Use it. Check mode of label before decrementing
3901 (sh_reorg): Likewise.
3902 Set mode of all insns back to VOIDmode.
3904 * sh.c (MOVA_LABELREF): New macro.
3905 (mova_p, fixup_mova, sh_reorg): Use it.
3906 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3907 ADDR_DIFF_VEC matches mova.
3909 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3911 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3912 with ATTRIBUTE_UNUSED.
3914 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3916 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3917 pointer, instead of assuming it is possible to derive the
3918 correct args size from a call insn.
3920 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3922 * rtl.h (CONST_INT_P): Define.
3923 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3924 instead of GET_CODE(x) == CONST_INT.
3925 (vax_rtx_costs): Likewise.
3926 (vax_output_int_move): Likewise.
3927 (vax_output_int_add): Likewise.
3928 (legitimate_constant_address_p): Likewise.
3929 (index_term_p): Likewise.
3930 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3931 * config/vax/vax.md (and<mode>3): Likewise.
3932 (ashrsi3): Likewise.
3934 (movstricthi): Likewise.
3935 (movstrictqi): Likewise.
3936 (rotrsi3): Likewise.
3937 (five unnamed insns): Likewise.
3939 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3941 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3942 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3943 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3944 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3945 Pass to ASM_OUTPUT_DWARF_OFFSET.
3946 * dwarf2out.c (debug_frame_section): New.
3947 (output_call_frame_info): Use debug_frame_section. Pass it to
3948 dw2_asm_output_offset.
3949 (output_die): Pass appropriate section to dw2_asm_output_offset.
3950 (output_compilation_unit_header): Likewise.
3951 (output_pubnames): Likewise.
3952 (output_aranges): Likewise.
3953 (enum dw_val_class): Break dw_val_class_lbl_offset into
3954 dw_val_class_lineptr and dw_val_class_macptr.
3955 (add_AT_lbl_offset): Delete.
3956 (add_AT_lineptr): New.
3957 (add_AT_macptr): New.
3958 (AT_lbl): Expect a lineptr or macptr.
3959 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3960 (attr_checksum): Likewise.
3961 (same_dw_val_p): Likewise.
3962 (size_of_die): Likewise.
3963 (value_format): Likewise.
3964 (output_die): Likewise.
3965 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3967 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3968 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3969 * config/darwin-protos.h (darwin_file_start): New.
3970 (darwin_asm_output_dwarf_offset): New.
3971 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3972 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3974 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3975 if not EH section; simplify.
3976 (darwin_file_start): New.
3977 (darwin_asm_output_dwarf_offset): New.
3978 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3980 (DEBUG_INFO_SECTION): Likewise.
3981 (DEBUG_ABBREV_SECTION): Likewise.
3982 (DEBUG_ARANGES_SECTION): Likewise.
3983 (DEBUG_MACINFO_SECTION): Likewise.
3984 (DEBUG_LINE_SECTION): Likewise.
3985 (DEBUG_LOC_SECTION): Likewise.
3986 (DEBUG_PUBNAMES_SECTION): Likewise.
3987 (DEBUG_STR_SECTION): Likewise.
3988 (DEBUG_RANGES_SECTION): Likewise.
3989 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3990 (ASM_OUTPUT_DWARF_OFFSET): New.
3992 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3994 * config.gcc (tm_defines): Always add to previous value rather
3997 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3999 * config/mips/predicates.md (splittable_const_int_operand): New,
4000 split from move_operand.
4001 (splittable_symbolic_operand): New.
4002 (move_operand): Add commentary. Use splittable_const_int_operand.
4003 Inline mips_atomic_symbolic_constant_p.
4004 * config/mips/mips.md: Add combine splitters for handling moves
4005 of splittable_const_int_operands and splittable_symbolic_operands.
4006 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4007 (mips_split_symbol): Declare.
4008 (mips_move_integer): Declare.
4009 * config/mips/mips.c (mips_split_p): Make global.
4010 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4011 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4012 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4013 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4014 (mips_offset_within_object_p): Handle block symbols.
4015 (mips_atomic_symbolic_constant_p): Delete.
4016 (mips_cannot_force_const_mem): Return false for constants that
4017 mips_legitimize_move can handle.
4018 (mips_use_blocks_for_constant_p): New function.
4019 (mips_split_symbol): Make global.
4020 (mips_move_integer): Likewise. Add a temporary register argument.
4021 (mips_legitimize_const_move): Use splittable_const_int_operand and
4022 splittable_symbolic_operand.
4023 (mips_use_anchors_for_symbol_p): New function.
4024 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4025 (mips_split_p): Declare.
4027 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4029 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4030 (mips*-*-linux*): Likewise.
4032 2006-03-16 Roger Sayle <roger@eyesopen.com>
4033 Daniel Speyer <dspeyer@wam.umd.edu>
4036 * tree-dump.c (dump_real): New function.
4037 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4038 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4039 (tree-dump.o): Add $(REAL_H) to the dependencies.
4041 2006-03-16 Roger Sayle <roger@eyesopen.com>
4044 * real.c (real_from_string): If the mantissa is zero, don't bother
4045 parsing the exponent as the result should always be zero.
4047 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4049 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4051 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4053 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4054 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4055 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4056 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4057 ia64_sched_finish_global): New static functions to implement
4058 hooks from gcc_target.sched.
4059 (spec_check_no, max_uid, pending_data_specs): New static variables.
4060 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4061 ia64_spec_check_src_p): New static functions.
4062 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4063 (TARGET_SCHED_ADJUST_COST): Removed.
4064 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4065 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4066 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4067 TARGET_SCHED_GEN_CHECK,
4068 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4069 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4070 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4071 Fixed to handle speculation checks.
4072 (rtx_needs_barrier): Fixed to handle speculative loads and
4074 (ia64_variable_issue): Added code to count speculative loads and their
4076 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4078 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4080 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4082 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4083 (ia64_reorg): Reset stops_p to NULL after it is freed.
4084 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4085 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4086 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4088 (data_speculative, control_speculative, check_load): New attributes.
4089 (mov<mode>_advanced, mov<mode>_speculative,
4090 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4091 zero_extend<mode>di2_speculative,
4092 zero_extend<mode>di2_speculative_advanced): New patterns for
4093 data and control speculative loads.
4094 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4096 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4097 New pattern for data and control speculation checks.
4098 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4099 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4100 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4101 Auxiliary definitions for the patterns.
4102 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4103 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4105 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4107 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4108 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4109 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4110 New resource constraints.
4111 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4113 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4114 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4115 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4116 msched-in-control-spec, msched-ldc, msched-control-ldc,
4117 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4118 msched-prefer-non-control-spec-insns,
4119 msched-count-spec-in-critical-path): New flags to tune speculative
4121 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4122 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4123 msched-in-control-spec, msched-ldc, msched-control-ldc,
4124 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4125 msched-prefer-non-control-spec-insns,
4126 msched-count-spec-in-critical-path): Document new flags.
4128 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4130 * target.h (struct spec_info_def): New opaque declaration.
4131 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4132 speculate_insn, needs_block_p, gen_check,
4133 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4134 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4135 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4136 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4137 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4138 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4140 (TARGET_SCHED): Use new macros.
4141 * rtl.h (copy_DEPS_LIST_list): New prototype.
4142 * sched-int.h (struct sched_info): Change signature of new_ready field,
4143 adjust all initializations. New fields: add_remove_insn,
4144 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4145 region_head_or_leaf_p.
4146 (struct spec_info_def): New structure declaration.
4147 (spec_info_t): New typedef.
4148 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4149 recovery_block, orig_pat.
4150 (glat_start, glat_end): New variables declaraions.
4151 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4153 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4154 DETACH_LIFE_INFO, USE_GLAT.
4155 (enum SPEC_SCHED_FLAGS): New enumeration.
4156 (NOTE_NOTE_BB_P): New macro.
4157 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4158 attach_life_info, debug_spec_status, check_reg_live): New functions.
4159 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4160 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4162 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4163 * ddg.c (get_block_head_tail): Adjust all uses.
4164 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4165 (sms_sched_info): Initialize new fields.
4166 (contributes_to_priority): Removed.
4167 * haifa-sched.c (params.h): New include.
4168 (get_block_head_tail): Adjust all uses.
4169 (ISSUE_POINTS): New macro.
4170 (glat_start, glat_end): New global variables.
4171 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4172 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4173 old_last_basic_block, before_recovery, current_sched_info_var,
4174 rgn_n_insns, luid): New static variables.
4175 (insn_cost1): New function. Move logic from insn_cost to here.
4176 (find_insn_reg_weight1): New function. Move logic from
4177 find_insn_reg_weight to here.
4178 (reemit_notes, move_insn, max_issue): Change signature.
4179 (move_insn1): Removed.
4180 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4181 extend_bb): New static functions to support extension of scheduler's
4183 (generate_recovery_code, process_insn_depend_be_in_spec,
4184 begin_speculative_block, add_to_speculative_block,
4185 init_before_recovery, create_recovery_block, create_check_block_twin,
4186 fix_recovery_deps): New static functions to support
4187 generation of recovery code.
4188 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4189 restore_bb_notes, move_block_after_check, move_succs): New static
4190 functions to support ebb scheduling.
4191 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4192 functions to support handling of register live information.
4193 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4194 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4195 add_jump_dependencies): New static functions.
4196 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4197 consistancy checking.
4198 (debug_spec_status): New function to call from debugger.
4199 (priority): Added code to handle speculation checks.
4200 (rank_for_schedule): Added code to distinguish speculative instructions.
4201 (schedule_insn): Added code to handle speculation checks.
4202 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4203 Fixed to handle ebbs.
4204 (move_insn): Added code to handle ebb scheduling.
4205 (max_issue): Added code to use ISSUE_POINTS of instructions.
4206 (choose_ready): Added code to choose between speculative and
4207 non-speculative instructions.
4208 (schedule_block): Added code to handle ebb scheduling and scheduling of
4209 speculative instructions.
4210 (sched_init): Initialize new variables.
4211 (sched_finish): Free new variables. Print statistics.
4212 (try_ready): Added code to handle speculative instructions.
4213 * lists.c (copy_DEPS_LIST_list): New function.
4214 * sched-deps.c (extend_dependency_caches): New function. Move logic
4215 from create_dependency_caches to here.
4216 (get_dep_weak, ds_merge): Make global.
4217 * genattr.c (main): Code to output prototype for
4218 dfa_clear_single_insn_cache.
4219 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4220 (output_dfa_clean_insn_cache_func): Code to output
4221 dfa_clear_single_insn_cache function.
4222 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4224 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4226 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4227 New static variables.
4228 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4229 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4231 (ebb_sched_info): Initialize new fields.
4232 (get_block_head_tail): Adjust all uses.
4233 (compute_jump_reg_dependencies): Fixed to use glat_start.
4234 (schedule_ebb): Code to remove unreachable last block.
4235 (schedule_ebbs): Added code to update register live information.
4236 * sched-rgn.c (region_sched_info): Initialize new fields.
4237 (get_block_head_tail): Adjust all uses.
4238 (last_was_jump): Removed. Adjust users.
4239 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4240 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4241 Implement new hooks.
4242 (check_dead_notes1): New static function.
4243 (struct region): New fields: dont_calc_deps, has_real_ebb.
4244 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4245 (BB_TO_BLOCK): Fixed to handle EBBs.
4246 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4247 (ebb_head): New static variable.
4248 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4249 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4251 (compute_dom_prob_ps): New assertion.
4252 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4253 global_live_at_start.
4254 (init_ready_list): New assertions.
4255 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4256 (new_ready): Add support for BEGIN_CONTROL speculation.
4257 (schedule_insns): Fixed code that updates register live information
4259 (schedule_region): Fixed to handle EBBs.
4260 (init_regions): Use extend_regions and check_dead_notes1.
4261 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4262 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4263 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4264 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4265 TARGET_SCHED_GEN_CHECK,
4266 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4267 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4268 * doc/invoke.texi (max-sched-insn-conflict-delay,
4269 sched-spec-prob-cutoff): Document.
4271 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4273 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4274 inter_tick, queue_index.
4275 (struct sched_info): Change signature of init_ready_list field.
4276 Adjust all initializations.
4277 (RESOLVED_DEPS): New access macro.
4278 (ready_add): Remove prototype.
4279 (try_ready): Add prototype.
4280 * sched-rgn.c (init_ready_list): Use try_ready.
4281 (schedule_region): Initialize
4282 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4283 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4284 (init_ready_list): Use try_ready.
4285 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4286 * lists.c (remove_list_elem): Remove `static'.
4287 (remove_free_INSN_LIST_elem): New function.
4288 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4289 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4290 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4292 (readyp): New variable.
4293 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4294 change_queue_index, resolve_dep): New static functions.
4295 (try_ready): New function. Adjust callers in sched-rgn.c and
4296 sched-ebb.c to use it instead of ready_add.
4297 (clock_var): Move at the begining of file.
4298 (rank_for_schedule): Fix typo.
4299 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4300 (ready_lastpos): Enforce assertion.
4301 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4303 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4304 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4305 (queue_to_ready): Use free_INSN_LIST_list.
4306 (early_queue_to_ready): Fix typo.
4307 (schedule_block): Init readyp. Move init_ready_list call after the
4308 initialization of clock_var. Fix error in rejecting insn by
4309 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4310 that previously corrected INSN_TICKs. Add code for handling
4312 (set_priorities): Fix typo.
4313 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4314 Clarify comment and code that keeps current_sched_info->next_tail
4317 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4319 * sched-rgn.c (extend_rgns): New static function.
4320 (find_rgns): Use it.
4321 (gather_region_statistics, print_region_statistics): New static
4323 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4324 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4326 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4327 Andrey Belevantsev <abel@ispras.ru>
4329 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4330 * lists.c (unused_deps_list): New variable.
4331 (free_list): Add assertions to verify the proper distinguishing
4332 between INSN_LISTs and DEPS_LISTs.
4333 (find_list_elem, remove_list_elem, remove_list_node): New static
4335 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4336 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4337 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4338 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4340 (free_INSN_LIST_node): Likewise.
4341 * modulo-sched.c (current_sched_info): Initialize flags field.
4342 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4343 * rtl.def (DEPS_LIST): Define.
4344 * rtl.h: Declare new functions from lists.c.
4345 * sched-deps.c (spec_dependency_cache): New static variable.
4346 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4347 (add_dependence): Change return type to void. Move the logic to ...
4348 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4349 (delete_all_dependences): Add comment about forward_dependency_cache.
4350 Handle spec_dependency_cache. Handle DEPS_LISTs.
4351 (fixup_sched_groups): Clarify the change of priority of output
4352 and anti dependencies.
4353 (sched_analyze_2): Adjust add_dependence calls to create data
4354 speculative dependence.
4355 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4356 Adjust all callers. Handle DEPS_LISTS.
4357 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4358 presence of speculation.
4359 (init_dependency_caches, free_dependency_caches):
4360 Handle spec_dependency_cache.
4361 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4362 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4363 New static functions.
4364 (add_or_update_back_dep, add_or_update_back_forw_dep,
4365 add_back_forw_dep, delete_back_forw_dep): New functions.
4366 * sched-int.h (ds_t, dw_t): New typedefs.
4367 (struct sched_info): Add new field flags.
4368 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4369 Prototype new sched-deps.c functions.
4370 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4371 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4372 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4373 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4374 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4375 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4377 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4379 * sched-rgn.c (current_sched_info): Initialize flags field.
4380 (schedule_insns): Initialize current_sched_info before the sched_init
4382 * sched-ebb.c (current_sched_info): Initialize flags field.
4383 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4384 Call add_or_update_back_dep instead of add_dependence.
4385 Create control speculative dependencies.
4386 (schedule_insns): Initialize current_sched_info before the sched_init
4389 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4391 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4393 (sh_fallback_frame_state): Likewise.
4395 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4397 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4398 Do switch on default_use_cxa_atexit.
4399 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4400 * config/darwin-crt3.o: New.
4401 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4402 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4403 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4405 * config/rs6000/t-darwin: Move crt2.o building to here.
4406 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4407 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4410 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4412 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4413 from '! xxx' to '!xxx' for coding-style conformance.
4414 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4415 (EXTRA_CONSTRAINT): Likewise.
4416 * config/vax/vax.md (four unnamed insns): Likewise.
4418 2006-03-15 Paul Brook <paul@codesourcery.com>
4420 * config/arm/arm.c (minipool_pad): New.
4421 (add_minipool_forward_ref): Include pool alignment padding in address
4423 (push_minipool_fix): Set minipool_pad.
4424 (minipool_pad): Ditto.
4426 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4428 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4429 instead of GET_CODE() == MEM and REG_P() instead of
4431 (print_operand_address): Likewise.
4432 (vax_address_cost): Likewise.
4433 (vax_rtx_costs): Likewise.
4434 (vax_notice_update_cc): Likewise.
4435 (vax_output_int_add): Likewise.
4436 (INDEX_REGISTER_P): Likewise.
4437 (BASE_REGISTER_P): Likewise.
4438 (nonindexed_address_p): Likewise.
4439 (vax_mode_dependent_address_p): Likewise.
4440 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4441 (PRINT_OPERAND): Likewise.
4442 * config/vax/vax.md (ashlsi3): Likewise.
4443 (ashlsi3): Likewise.
4444 (some more unnamed insns): Likewise.
4446 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4448 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4449 iterator-style macro.
4450 (mark_control_dependent_edges_necessary): Update the use of
4451 EXECUTE_IF_CONTROL_DEPENDENT.
4453 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4455 * config/sh/predicates.md (cache_address_operand): Special.
4456 (ua_address_operand): Likewise.
4458 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4460 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4462 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4464 2006-03-15 Andreas Schwab <schwab@suse.de>
4466 * gensupport.c (identify_predicable_attribute): Don't free p_false
4467 when it is still in use.
4469 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4471 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4472 the default setting here.
4474 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4476 * tree-pass.h (pass_cfg): Remove.
4477 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4478 * passes.c (pass_cfg): Don't run it.
4480 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4482 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4483 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4485 (stack_regs_mentioned): Update the uses of
4486 stack_regs_mentioned_data. Don't access the array beyond its
4488 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4489 Don't include gt-reg-stack.h.
4491 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4492 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4494 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4497 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4500 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4502 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4504 2006-03-14 Richard Guenther <rguenther@suse.de>
4506 PR tree-optimization/26672
4507 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4510 2006-03-14 Richard Guenther <rguenther@suse.de>
4512 PR tree-optimization/26667
4513 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4514 node for the callees. Always allow inlining if it will shrink
4517 2006-03-14 Richard Guenther <rguenther@suse.de>
4520 * builtins.c (get_pointer_alignment): Prefer alignment
4521 information from decls over that from types.
4523 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4526 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4528 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4530 * config/rs6000/rs6000.opt (mdlmzb): New option.
4531 (msched-prolog, msched-epilog): Use Var not Mask.
4532 * doc/invoke.texi (-mdlmzb): Document.
4533 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4535 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4536 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4538 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4540 PR rtl-optimization/25739
4541 * bt-load.c (augment_live_range): Free tos pointer.
4543 * gensupport.c (identify_predicable_attribute): Free
4545 * gcov.c (create_file_names): Free name pointer.
4547 2006-03-13 Roger Sayle <roger@eyesopen.com>
4550 * stmt.c (emit_case_nodes): Handle the case where the index is a
4551 CONST_INT, where the comparison mode is specified by the index type.
4553 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4555 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4558 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4560 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4561 (*branch_fp_inverted): Likewise.
4563 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4566 * omp-low.c (expand_omp_for_generic): Mark istart0
4567 and iend0 as addressable.
4569 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4571 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4573 2006-03-13 Jeff Law <law@redhat.com>
4575 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4576 virtual operands are interesting.
4577 (vrp_visit_stmt): Corresponding changes.
4579 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4581 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4583 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4584 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4585 * config/bfin/crti.S: Use it instead of __PIC__.
4586 * config/bfin/crtn.S: Likewise.
4588 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4589 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4591 Lose 'G' modifier for call operand.
4592 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4593 recognize 'G' modifier.
4595 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4598 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4599 * stmt.c (expand_case): Likewise.
4601 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4603 PR rtl-optimization/26254
4604 * loop-invariant.c (seq_insns_valid_p): New function.
4605 (move_invariant_reg): Only emit new code if it is valid.
4607 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4609 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4611 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4612 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4613 (commit_one_edge_insertion): Do not look for loop notes.
4615 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4617 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4618 flag_test_coverage out of loop.
4620 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4622 * final.c (shorten_branches): Remove outdated comment, and turn
4623 the if branch that guards it to continue.
4625 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4627 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4628 * cfgloop.h (struct loop): Remove unused fields.
4630 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4632 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4633 (-dL, -fdump-rtl-loop2): Update the dump file names
4635 * doc/invoke.texi: Update dump file names.
4637 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4639 * predict.c (estimate_probability): Remove.
4640 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4641 * basic-block.h (estimate_probability): Remove prototype.
4642 * passes.c (finish_optimization_passes): Dump branch prediction or
4643 profiling heuristics to the .profile tree dump.
4644 (init_optimization_passes): Unqueue pass_branch_prob.
4646 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4648 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4650 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4651 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4653 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4655 * function.h (frame_offset_overflow): Declare.
4656 * function.c (frame_offset_overflow): New function.
4657 (assign_stack_local_1): Call it to detect that the offset overflows.
4658 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4660 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4662 * config/sh/sh.c: Include alloc-pool.h.
4663 (label_ref_list_pool): New alloc pool.
4664 (label_ref_list_t): New type for lists of labels.
4665 (struct pool_node): Make wend a label_ref_list_t.
4666 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4668 (dump_table): Likewise.
4669 (sh_reorg): Set up the alloc pool before using add_constant and
4670 dump_table, and destroy it when finishing.
4672 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4674 * config/mips/mips.c: Remove redundant comment.
4676 2006-03-10 Jason Merrill <jason@redhat.com>
4679 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4680 the target was declared 'register'.
4682 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4684 * genpreds.c (write_insn_constraint_len): Change definition of
4685 insn_constraint_len to return size_t to match the declaration.
4687 2006-03-10 DJ Delorie <dj@redhat.com>
4689 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4691 (m32c_expand_insv): Fix test for an AND mask.
4693 2006-03-10 Richard Guenther <rguenther@suse.de>
4696 * builtins.c (get_pointer_alignment): Handle component
4697 references for field alignment.
4699 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4701 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4702 when building with libgloss.
4703 (sh*elf): Implement --without-fp option.
4704 (sh64-superh-linux*): Don't multilib.
4706 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4708 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4710 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4712 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4713 Set it when one of the replacement functions returned true.
4714 Return TODO_cleanup_cfg if cfgchanged is true.
4715 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4717 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4719 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4720 instead of gen_lowpart.
4722 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4724 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4726 (mips_output_order_conditional_branch): Declare.
4727 * config/mips/mips.h (MIPS_BRANCH): New macro.
4728 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4729 for the comparison. Use gen_condjump.
4730 (mips_output_conditional_branch): Rework interface to take the
4731 asm templates for a direct branch and the inverse of a direct branch.
4732 (mips_output_order_conditional_branch): New function.
4733 (mips_builtin_branch_and_move): New function.
4734 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4735 branch condition. Use gen_single_cc as the condition for
4736 __builtin_mips_upper_* or __builtin_mips_lower_*.
4737 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4738 Use VOIDmode for the branch condition.
4739 * config/mips/predicates.md (order_operator): New predicate.
4740 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4741 (branch_fp): Rename to...
4742 (*branch_fp): ...this. Remove mode from comparison operator.
4743 Use new mips_output_conditional_branch interface.
4744 (branch_fp_inverted): Rename to...
4745 (*branch_fp_inverted): ...this and update as for *branch_fp.
4746 (*branch_zero<mode>): Rename to...
4747 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4748 Use mips_output_order_conditional_branch. Only accept ordered
4750 (*branch_zero<mode>_inverted): Rename to...
4751 (*branch_order<mode>_inverted): ...this and update as for
4752 *branch_order<mode>.
4753 (*branch_equality<mode>): Accept zero as the second operand to
4754 the equality operator. Use the new mips_output_conditional_branch
4756 (*branch_equality<mode>_inverted): Likewise.
4757 (condjump): New expander.
4758 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4760 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4761 (bc1any2t, bc1any2f): Likewise.
4762 (single_cc): New expander.
4763 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4765 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4767 * doc/md.texi: Update documentation of MIPS constraints.
4768 * config/mips/constraints.md: New file.
4769 * config/mips/mips.md: Include it.
4770 * config/mips/mips.c (mips_char_to_class): Delete.
4771 (override_options): Don't initialize mips_char_to_class.
4772 * config/mips/mips.h (mips_char_to_class): Delete.
4773 (REG_CLASS_FROM_LETTER): Delete.
4774 (CONST_OK_FOR_LETTER_P): Delete.
4775 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4776 (EXTRA_CONSTRAINT_Y): Delete.
4777 (EXTRA_CONSTRAINT_STR): Delete.
4778 (CONSTRAINT_LEN): Delete.
4779 (EXTRA_MEMORY_CONSTRAINT): Delete.
4781 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4783 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4784 original fn's eh regions.
4786 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4788 * fold-const.c (build_range_check): Make sure to use a valid type to
4789 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4792 (range_predecessor): New static function.
4793 (range_successor): Likewise.
4794 (merge_ranges): Use them to compute predecessors and successors of
4797 2006-03-09 Roger Sayle <roger@eyesopen.com>
4800 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4801 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4803 2006-03-08 DJ Delorie <dj@redhat.com>
4805 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4806 (addpsi3): Expand to include memory operands. Remove
4807 reload-specific splits.
4808 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4809 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4810 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4811 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4812 (shift1_qi, shift1_hi, insv): New.
4813 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4814 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4815 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4817 * config/m32c/m32c-protos.h: Update as needed.
4818 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4819 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4820 Fail for unrecognized R* constraints.
4821 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4822 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4823 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4825 (m32c_init_libfuncs): New.
4826 (m32c_legitimate_address_p): Add debug wrapper.
4827 (m32c_rtx_costs): New.
4828 (m32c_address_cost): New.
4829 (conversions): Add 'B' prefix.
4830 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4831 operands, or word regnames for QI operands. 'B' prints bit
4833 (m32c_expand_setmemhi): New.
4834 (m32c_expand_movmemhi): New.
4835 (m32c_expand_movstr): New.
4836 (m32c_expand_cmpstr): New.
4837 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4838 (m32c_expand_neg_mulpsi3): Handle non-ints.
4839 (m32c_cmp_flg_0): New.
4840 (m32c_expand_movcc): New.
4841 (m32c_expand_insv): New.
4842 (m32c_scc_pattern): New.
4843 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4844 a0/a1 out of SIregs.
4845 (STORE_FLAG_VALUE): New.
4846 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4849 * config/m32c/mov.md: Make constraints more liberal.
4850 (zero_extendqihi2): Optimize r0/r1 case.
4851 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4852 * config/m32c/predicates.md (m32c_any_operand): New.
4853 (m32c_nonimmediate_operand): New.
4854 (m32c_hl_operand): New.
4855 (m32c_r3_operand): New.
4858 (memsym_operand): New.
4859 (memimmed_operand): New.
4860 (a_qi_operand): New.
4861 (m32c_eqne_operator): New.
4862 (m32c_1bit8_operand): New.
4863 (m32c_1bit16_operand): New.
4864 (m32c_1mask8_operand): New.
4865 (m32c_1mask16_operand): New.
4866 * config/m32c/blkmov.md: New file.
4867 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4869 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4871 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4872 unsigned to fix signed/unsigned comparison issue in
4873 DWARF2_FRAME_REG_OUT.
4874 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4875 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4877 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4878 of ptr into the ENABLE_CHECKING section.
4880 2006-03-08 Jeff Law <law@redhat.com>
4882 * tree-vrp.c (infer_value_range): Only count pointer uses
4883 and dereferences if -fdelete-null-pointer-checks is enabled.
4885 * tree-vrp.c (find_assert_locations): Infer value ranges for
4886 single use pointers, but do not create ASSERT_EXPRs for them.
4887 When a non-null range is inferred for a pointer, backwards
4888 propagate that range to other equivalent pointers through the
4891 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4894 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4895 language hook targets.
4896 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4897 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4898 if language hook targets were missing.
4900 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4902 * tree-ssa-opfinalize.h: Removed.
4903 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4905 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4906 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4907 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4908 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4909 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4910 finalize_ssa_v_must_def_ops): New.
4912 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4914 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4917 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4919 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4921 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4922 addresses with offsets; reorganize.
4924 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4925 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4926 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4928 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4931 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4933 2006-03-08 Ben Elliston <bje@au.ibm.com>
4935 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4937 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4940 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4943 2006-03-07 Richard Guenther <rguenther@suse.de>
4945 PR tree-optimization/26587
4946 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4948 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4950 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4952 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4954 * hooks.c (hook_bool_mode_rtx_true): New function.
4955 * hooks.h (hook_bool_mode_rtx_true): Declare.
4956 * toplev.c (compile_file): Call output_shared_constant_pool.
4957 * varasm.c (shared_constant_pool): New variable.
4958 (assemble_start_function, assemble_end_function): Remove arguments
4959 from call to output_constant_pool.
4960 (create_constant_pool): New function, split out from...
4961 (init_varasm_status): ...here.
4962 (force_const_mem): Choose between the shared and per-function constant
4963 pools. Set current_function_uses_const_pool when reusing old entries
4964 as well as when creating new ones.
4965 (mark_constant): Ignore data argument.
4966 (mark_constants): Remove pool argument.
4967 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4968 to decide whether the function uses a constant pool.
4969 (output_constant_pool_contents): New function, split out from...
4970 (output_constant_pool): ...here.
4971 (output_shared_constant_pool): New function.
4972 (init_varasm_once): Initialize shared_constant_pool.
4973 * output.h (output_constant_pool): Delete.
4974 (output_shared_constant_pool): Declare.
4975 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4976 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4978 2006-03-06 Nick Clifton <nickc@redhat.com>
4980 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4981 flag_strength_reduce.
4983 2006-03-06 Ben Elliston <bje@au.ibm.com>
4985 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4986 x86_64-*-linux* configurations.
4988 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4989 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4991 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4993 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4995 * basic-block.h: Remove the extern for
4996 rediscover_loops_after_threading.
4998 * cfgloop.c (cancel_loop): Make it static.
4999 * cfgloop.h: Remove the prototype for cancel_loop.
5001 * flow.c (recompute_reg_usage): Make it static.
5002 * rtl.h: Remove the prototype for recompute_reg_usage.
5004 * function.c (use_return_register): Make it static.
5005 * function.h: Remove the prototype.
5007 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5009 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5011 * recog.h: Remove the prototype for
5012 validate_change_maybe_volatile.
5014 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5016 * rtlanal.c (replace_reg): Remove.
5017 * rtl.h: Remove the prototype for replace_reg.
5019 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5021 * regclass.c (reg_scan_update): Remove.
5022 (reg_scan_mark_refs): Remove the last argument.
5023 * rtl.h: Remove the prototype for reg_scan_update.
5025 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5027 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5028 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5029 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5030 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5031 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5032 loop-invariant.c, omp-low.c, opts.c, passes.c,
5033 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5034 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5035 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5036 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5037 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5038 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5040 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5042 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5043 * dwarf2out.h: Remove the prototype for
5044 dwarf2out_add_library_unit_info.
5046 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5048 * tree.c (add_var_to_bind_expr): Remove.
5049 * tree.h: Remove the prototype for add_var_to_bind_expr.
5051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5053 * regclass.c (n_non_fixed_regs): Remove.
5054 (init_reg_sets_1, globalize_reg): Remove all uses of
5056 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5058 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5060 * rtlanal.c (insns_safe_to_move_p): Remove.
5061 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5063 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5065 * expmed.c (expand_mult_add): Remove.
5066 * expr.h: Remove the prototype for expand_mult_add.
5068 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5070 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5071 and REG_SAVED_VAL_EXP constants.
5072 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5073 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5074 Handle regs stored by value.
5075 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5076 (execute_cfa_program): Handle DW_CFA_val_offset,
5077 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5078 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5079 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5080 (uw_install_context_1): Handle target regs stored by value.
5082 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5084 * tree-sra.c (tree_sra): Return todoflags;
5085 (generate_one_element): Set TODO_update_smt_usage if needed.
5086 (pass_sra): Remove TODO_update_smt_usage.
5087 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5089 (tree_ssa_forward_propagate_single_use_vars): Return
5090 TODO_update_smt_usage if we need to update SMT usage.
5091 (pass_forwprop): Remove TODO_update_smt_usage.
5093 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5095 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5096 (correct_use_link): Remove reference to get_stmt_operands.
5097 (update_stmt_operands): Likewise.
5098 (get_modify_expr_operands): New function factored out of
5099 parse_ssa_operands and get_expr_operands.
5100 Try to create V_MUST_DEFs for LHS by default.
5101 (get_expr_operands) <case MODIFY_EXPR>: Call
5102 get_modify_expr_operands.
5103 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5104 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5105 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5106 get_modify_expr_operands.
5108 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5110 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5111 * tree-flow.h: Remove the prototype for
5112 referenced_var_lookup_if_exists.
5114 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5116 PR rtl-optimization/26345
5118 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5120 2006-03-03 Roger Sayle <roger@eyesopen.com>
5122 PR tree-optimization/26524
5123 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5124 fold_convert to create a constant of the appropriate type.
5126 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5128 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5129 SYMBOL_REF_IN_BLOCK_P.
5130 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5131 of SYMBOL_FLAG_IN_BLOCK.
5132 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5133 instead of SYMBOL_REF_IN_BLOCK_P.
5134 * explow.c (use_anchored_address): Likewise.
5135 * rtl.c (rtx_size): Likewise.
5136 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5137 instead of SYMBOL_FLAG_IN_BLOCK.
5138 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5139 SYMBOL_REF_IN_BLOCK_P.
5140 (assemble_variable): Likewise.
5141 (output_constant_def_contents): Likewise.
5142 (output_constant_pool): Likewise.
5143 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5144 instead of SYMBOL_FLAG_IN_BLOCK.
5145 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5146 SYMBOL_REF_IN_BLOCK_P.
5147 (SYMBOL_REF_BLOCK): Likewise.
5148 (SYMBOL_REF_OFFSET): Likewise.
5149 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5150 SYMBOL_REF_IN_BLOCK_P.
5151 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5152 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5153 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5154 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5156 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5158 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5160 2006-03-02 Roger Sayle <roger@eyesopen.com>
5162 * simplify-rtx.c (simplify_unary_operation): When simplifying
5163 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5164 that we perform the right shift in the appropriate mode, and
5165 then extend or truncate the result to requested mode.
5167 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5169 * gengtype.c (main): Handle double_int type.
5170 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5171 * double-int.c: New file.
5172 * double-int.h: New file.
5173 * system.h: Include doubleint.h.
5174 * Makefile.in (SYSTEM_H): Include double-int.h.
5175 (double-int.o): Add.
5177 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5180 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5183 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5185 * tree-vrp.c (remove_range_assertions): Do not update statements
5188 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5190 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5192 * gcse.c (rest_of_handle_gcse): Ditto.
5193 * except.c (gate_handle_eh): Ditto.
5194 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5195 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5197 2006-03-02 Eric Christopher <echristo@apple.com>
5199 * config/i386/i386.c (machopic_output_stub): Add indirection to
5202 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5206 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5208 Sun Niagara specific optimizations.
5209 * config.gcc: Recognize niagara as target.
5210 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5211 (TARGET_CPU_niagara): Define.
5212 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5213 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5214 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5215 (ASM_CPU_SPEC): Likewise.
5216 (PROCESSOR_NIAGARA): New enum entry.
5217 (REGISTER_MOVE_COST): Handle Niagara.
5218 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5219 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5220 (sparc_override_options): Recognize "niagara", set appropriate
5221 default MASK_* values for it, and align functions to 32-bytes
5222 by default just like ULTRASPARC/ULTRASPARC3.
5223 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5224 (sparc64_initialize_trampoline): Likewise.
5225 (sparc_use_sched_lookahead): Use zero for niagara.
5226 (sparc_issue_rate): Use one for niagara.
5227 * config/sparc/niagara.md: New file.
5228 * config/sparc/sparc.md: Include it.
5229 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5230 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5231 when default cpu is niagara.
5232 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5233 (ASM_CPU_SPEC): Likewise.
5234 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5235 when default cpu is niagara.
5236 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5237 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5238 just like v9/ultrasparc/ultrasparc3.
5239 * doc/invoke.texi: Add documentation for "niagara" and improve
5240 existing documentation for ultrasparc variants.
5242 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5244 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5246 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5248 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5249 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5250 and say that only one is needed.
5251 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5252 * target.h (have_switchable_bss_sections): New hook.
5253 * explow.c (use_anchored_address): Check that the symbol is in a block.
5254 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5255 (bss_noswitch_section): New variables.
5256 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5257 (get_noswitch_section): New function.
5258 (get_block_for_section): Allow SECT to be null.
5259 (unlikely_text_section_p): Use SECTION_STYLE.
5260 (bss_initializer_p): New function.
5261 (get_variable_section): Move earlier in file. Take a new argument,
5262 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5263 Return one of the new *_sections in such cases.
5264 (get_block_for_decl): New function, extracting some logic from
5265 use_blocks_for_decl_p.
5266 (change_symbol_section): Remove in favor of...
5267 (change_symbol_block): ...this new function.
5268 (use_blocks_for_decl_p): Remove checks now performed by
5270 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5271 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5272 (emit_local, emit_bss, emit_common): ...these new functions.
5273 Return true if the alignment was honored.
5274 (emit_tls_common): New function.
5275 (asm_emit_uninitialised): Delete.
5276 (assemble_variable_noswitch): New function, split out from...
5277 (assemble_variable): ...here. Don't make decisions about common
5278 variables here. Globalize all public decls that go into non-common
5279 sections. Check whether SYMBOL_REF_BLOCK is null.
5280 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5281 (output_constant_pool): Likewise.
5282 (init_varasm_once): Initialize the new section variables.
5283 (have_global_bss_p): New function.
5284 (categorize_decl_for_section): Use bss_initializer_p.
5285 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5286 (place_block_symbol): Assert that the symbol must be in a block.
5287 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5288 (TARGET_INITIALIZER): Include it.
5289 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5290 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5291 (SECTION_MACH_DEP): Bump by two.
5292 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5293 (unnamed_section): Mention SECTION_UNNAMED in comment.
5294 (named_section): Likewise SECTION_NAMED.
5295 (noswitch_section_callback): New type.
5296 (noswitch_section): New structure.
5297 (section): Add a noswitch_section alternative.
5298 (SECTION_STYLE): New macro.
5299 (tls_comm_section, comm_section, lcomm_section): Declare.
5300 (bss_noswitch_section, have_global_bss_p): Declare.
5301 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5302 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5304 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5305 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5308 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5310 * tree-vrp.c (execute_vrp): Return value.
5311 * regrename.c (rest_of_handle_regrename): Ditto.
5312 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5313 * tree-complex.c (tree_lower_complex): Ditto.
5314 (tree_lower_complex_O0): Ditto.
5315 * tracer.c (rest_of_handle_tracer): Ditto.
5316 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5317 * postreload.c (rest_of_handle_postreload): Ditto.
5318 * tree-tailcall.c (execute_tail_recursion): Ditto.
5319 (execute_tail_calls): Ditto.
5320 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5321 * tree.h (init_function_for_compilation): Ditto.
5322 * ipa-cp.c (ipcp_driver): Ditto.
5323 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5324 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5325 * final.c (compute_alignments): Ditto.
5326 (rest_of_handle_final): Ditto.
5327 (rest_of_handle_shorten_branches): Ditto.
5328 (rest_of_clean_state): Ditto.
5329 * omp-low.c (execute_expand_omp): Ditto.
5330 (execute_lower_omp): Ditto.
5331 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5332 * ipa-reference.c (static_execute): Ditto.
5333 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5334 * reorg.c (rest_of_handle_delay_slots): Ditto.
5335 (rest_of_handle_machine_reorg): Ditto.
5336 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5337 * flow.c (recompute_reg_usage): Ditto.
5338 (rest_of_handle_remove_death_notes): Ditto.
5339 (rest_of_handle_life): Ditto.
5340 (rest_of_handle_flow2): Ditto.
5341 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5342 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5343 (do_ssa_store_ccp): Ditto.
5344 (execute_fold_all_builtins): Ditto.
5345 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5346 * modulo-sched.c (rest_of_handle_sms): Ditto.
5347 * ipa-pure-const.c (static_execute): Ditto.
5348 * cse.c (rest_of_handle_cse): Ditto.
5349 (rest_of_handle_cse2): Ditto.
5350 * web.c (rest_of_handle_web): Ditto.
5351 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5352 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5353 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5354 * tree-nrv.c (tree_nrv): Ditto.
5355 (execute_return_slot_opt): Ditto.
5356 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5357 (create_structure_vars): Ditto.
5358 * loop-init.c (rtl_loop_init): Ditto.
5359 (rtl_loop_done): Ditto.
5360 (rtl_move_loop_invariants): Ditto.
5361 (rtl_unswitch): Ditto.
5362 (rtl_unroll_and_peel_loops): Ditto.
5363 (rtl_doloop): Ditto.
5364 * gimple-low.c (lower_function_body): Ditto.
5365 (mark_used_blocks): Ditto.
5366 * tree-ssa-sink.c (execute_sink_code): Ditto.
5367 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5368 (cgraph_early_inlining): Ditto.
5369 * global.c (rest_of_handle_global_alloc): Ditto.
5370 * jump.c (cleanup_barriers): Ditto.
5371 (purge_line_number_notes): Ditto.
5372 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5373 (rest_of_handle_if_after_reload): Ditto.
5374 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5375 (tree_ssa_loop_im): Ditto.
5376 (tree_ssa_loop_unswitch): Ditto.
5377 (tree_vectorize): Ditto.
5378 (tree_linear_transform): Ditto.
5379 (tree_ssa_loop_ivcanon): Ditto.
5380 (tree_ssa_empty_loop): Ditto.
5381 (tree_ssa_loop_bounds): Ditto.
5382 (tree_complete_unroll): Ditto.
5383 (tree_ssa_loop_prefetch): Ditto.
5384 (tree_ssa_loop_ivopts): Ditto.
5385 (tree_ssa_loop_done): Ditto.
5386 * predict.c (tree_estimate_probability): Ditto.
5387 * recog.c (split_all_insns_noflow): Ditto.
5388 (rest_of_handle_peephole2): Ditto.
5389 (rest_of_handle_split_all_insns): Ditto.
5390 * tree-eh.c (lower_eh_constructs): Ditto.
5391 * regmove.c (rest_of_handle_regmove): Ditto.
5392 (rest_of_handle_stack_adjustments): Ditto.
5393 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5394 * function.c (instantiate_virtual_regs): Ditto.
5395 (init_function_for_compilation): Ditto.
5396 (rest_of_handle_check_leaf_regs): Ditto.
5397 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5398 (rest_of_handle_gcse): Ditto.
5399 * ipa-type-escape.c (type_escape_execute): Ditto.
5400 * alias.c (rest_of_handle_cfg): Ditto.
5401 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5402 * profile.c (rest_of_handle_branch_prob): Ditto.
5403 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5404 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5405 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5406 * tree-dfa.c (find_referenced_vars): Ditto.
5407 * except.c (set_nothrow_function_flags): Ditto.
5408 (convert_to_eh_region_ranges): Ditto.
5409 (rest_of_handle_eh): Ditto.
5410 * emit-rtl.c (unshare_all_rtl): Ditto.
5411 (remove_unnecessary_notes): Ditto.
5412 * except.h (set_nothrow_function_flags): Ditto.
5413 (convert_to_eh_region_ranges): Ditto.
5414 * cfgexpand.c (tree_expand_cfg): Ditto.
5415 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5416 * tree-ssa-pre.c (do_pre): Ditto.
5417 (execute_fre): Ditto.
5418 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5419 (rest_of_handle_jump2): Ditto.
5420 * tree-sra.c (tree_sra): Ditto.
5421 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5422 (execute_mudflap_function_decls): Ditto.
5423 * tree-ssa-copy.c (do_copy_prop): Ditto.
5424 (do_store_copy_prop): Ditto.
5425 * ipa-prop.h (ipcp_driver): Ditto.
5426 * cfglayout.c (insn_locators_initialize): Ditto.
5427 * tree-ssa-forwprop.c
5428 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5429 * cfglayout.h (insn_locators_initialize): Ditto.
5430 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5431 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5432 (execute_late_warn_uninitialized): Ditto.
5433 * rtl.h (cleanup_barriers): Ditto.
5434 (split_all_insns_noflow): Ditto.
5435 (purge_line_number_notes): Ditto.
5436 (unshare_all_rtl): Ditto.
5437 (remove_unnecessary_notes): Ditto.
5438 (recompute_reg_usage): Ditto.
5439 (variable_tracking_main): Ditto.
5440 * integrate.c (emit_initial_value_sets): Ditto.
5441 * integrate.h (emit_initial_value_sets): Ditto.
5442 * tree-optimize.c (execute_free_datastructures): Ditto
5443 (execute_free_cfg_annotations): Ditto.
5444 (execute_fixup_cfg): Ditto.
5445 (execute_cleanup_cfg_pre_ipa): Ditto.
5446 (execute_cleanup_cfg_post_optimizing): Ditto.
5447 (execute_init_datastructures): Ditto.
5448 * tree-object-size.c (compute_object_sizes): Ditto.
5449 * combine.c (rest_of_handle_combine): Ditto.
5450 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5451 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5452 (rest_of_handle_reorder_blocks): Ditto.
5453 (rest_of_handle_partition_blocks): Ditto.
5454 * var-tracking.c (variable_tracking_main): Ditto.
5455 * tree-profile.c (tree_profiling): Ditto.
5456 * tree-vect-generic.c (expand_vector_operations): Ditto.
5457 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5458 * sched-rgn.c (rest_of_handle_sched): Ditto.
5459 (rest_of_handle_sched2): Ditto.
5460 * basic-block.h (free_bb_insn): Ditto.
5461 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5462 * tree-cfg.c (execute_build_cfg): Ditto.
5463 (remove_useless_stmts): Ditto.
5464 (split_critical_edges): Ditto.
5465 (execute_warn_function_return): Ditto.
5466 (execute_warn_function_noreturn): Ditto.
5467 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5468 * cfgrtl.c (free_bb_for_insn): Ditto.
5469 * passes.c (execute_one_pass): Run additional
5470 todos returned by execute function.
5471 * tree-pass.h (struct tree_opt_pass): Make execute
5474 2006-03-02 Richard Guenther <rguenther@suse.de>
5476 * tree-ssa-alias.c (find_used_portions): Consider taking
5477 the address as making the variable not write-only.
5479 2006-03-02 Nick Clifton <nickc@redhat.com>
5481 * config.gcc (default_use_cxa_atexit): Extend the description of
5482 this configure variable. Set its default value to "yes" for
5483 Linux, NetBSD and ELF targets on the assumption that they will
5484 use C libraries with the __cxa_atexit function.
5486 2006-03-02 Ben Elliston <bje@au.ibm.com>
5488 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5489 parameter as unused to suppress a build warning.
5491 2006-03-02 Ben Elliston <bje@au.ibm.com>
5493 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5496 2006-03-01 Roger Sayle <roger@eyesopen.com>
5499 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5500 declared name, the weak reference name, and the typeof name.
5501 (__gthrw): Avoid expanding the declared name suffix.
5502 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5504 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5506 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5508 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5509 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5510 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5511 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5512 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5513 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5514 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5515 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5516 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5517 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5518 (DW_END_default, DW_END_big, DW_END_little): New.
5519 (DW_END_lo_user, DW_END_hi_user): Define.
5520 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5521 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5522 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5525 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5527 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5529 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5531 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5533 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5535 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5536 to 'symbol_mem_tag'.
5538 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5541 2006-03-01 Roger Sayle <roger@eyesopen.com>
5543 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5545 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5548 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5549 MACHO_DYNAMIC_NO_PIC_P.
5550 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5555 * config/darwin-protos.h (darwin_asm_output_anchor):
5557 * config/darwin-sections.def (cstring_section):
5558 Add SECTION_MERGE to the flags.
5559 (literal4_section): Likewise.
5560 (literal8_section): Likewise.
5561 (objc_selector_refs_section): Likewise.
5562 (objc_cls_refs_section): Likewise.
5563 * config/darwin.c (darwin_asm_output_anchor): New
5565 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5567 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5569 Fix PR tree-optimization/26443
5570 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5571 to todo and PROP_tmt_usage to properties_destroyed.
5572 * tree-ssa-ccp.c (pass_ccp): Ditto.
5573 (pass_store_ccp): Ditto.
5574 * tree-ssa-dom.c (pass_dominator): Ditto.
5576 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5578 * tree-ssa-operands.c: Cleanup whitespace.
5579 (get_asm_expr_operands): Move before first invocation.
5580 (get_indirect_ref_operands): Likewise.
5581 (get_tmr_operands): Likewise.
5582 (get_call_expr_operands): Likewise.
5583 (append_def): Likewise.
5584 (append_use): Likewise.
5585 (append_v_may_def): Likewise.
5586 (append_v_must_def): Likewise.
5587 (add_call_clobber_ops): Likewise.
5588 (add_call_read_ops): Likewise.
5589 (add_stmt_operand): Likewise.
5590 (add_virtual_operand): Likewise.
5591 (build_ssa_operands): Likewise.
5593 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5598 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5599 with a call expr to ...
5600 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5602 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5604 * tree-vrp.c (extract_range_from_assert): Remove special
5605 handling for types with super-types.
5607 2006-03-01 Ben Elliston <bje@au.ibm.com>
5609 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5610 and powerpc64-*-linux* configurations.
5611 * config/t-dfprules: New file.
5613 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5614 Compile dfp-bit.c from the source directory using -DWIDTH and
5615 $DFP_CFLAGS to control the compilation of that file, rather than
5616 generating width-specific versions in the build directory.
5617 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5618 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5620 2006-02-28 Zack Weinberg <zackw@panix.com>
5622 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5625 2006-02-28 Eric Christopher <echristo@apple.com>
5627 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5628 Set up IN_LIBGCC definition of TARGET_64BIT.
5629 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5631 2006-02-28 Roger Sayle <roger@eyesopen.com>
5634 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5635 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5636 cases via the construction of "expr != 0".
5638 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5640 * alias.c (alias_invariant, alias_invariant_size): Remove.
5641 (record_base_value): Remove.
5642 (memrefs_conflict_p): Don't look at alias_invariant.
5643 (end_alias_analysis): Don't free it.
5644 * alias.h (record_base_value): Remove prototype.
5646 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5647 Adam Nemet <anemet@caviumnetworks.com>
5649 * rtl.h (truncated_to_mode): Declare it.
5650 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5651 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5652 (RTL_HOOKS_INITIALIZER): Include it.
5653 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5654 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5655 reg_truncated_to_mode.
5656 * rtlanal.c (truncated_to_mode): Define it.
5657 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5659 2006-02-28 Jeff Law <law@redhat.com>
5661 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5662 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5663 the range allowed by TYPE_PRECISION.
5665 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5667 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5669 PR tree-optimization/26419
5670 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5673 2006-02-27 Zack Weinberg <zackw@panix.com>
5675 * doc/md.texi: Fix typo in previous change.
5677 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5681 2006-02-27 Zack Weinberg <zackw@panix.com>
5683 * rtl.def (define_constraint, define_register_constraint)
5684 (define_memory_constraint, define_address_constraint): New MD forms.
5685 * gensupport.c (process_rtx): Put define_constraint etc on the
5687 * genpreds.c (process_define_predicate): Adjust comment. Validate
5688 the name, and call validate_exp to validate the expression.
5689 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5690 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5691 all callers changed.
5692 (validate_exp, needs_variable, struct constraint_data)
5693 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5694 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5695 (const_dbl_constraints, constraint_max_namelen)
5696 (have_register_constraints, have_memory_constraints)
5697 (have_address_constraints, have_address_constraints)
5698 (have_extra_constraints, have_const_int_constraints)
5699 (have_const_dbl_constraints, mangle, add_constraint)
5700 (process_define_constraint, process_define_register_constraint)
5701 (write_enum_constraint_num, write_lookup_constraint)
5702 (write_insn_constraint_len, write_regclass_for_constraint)
5703 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5704 (write_insn_extra_memory_constraint)
5705 (write_insn_extra_address_constraint)
5706 (write_satisfies_constraint_fns): New.
5707 (write_tm_preds_h): If we have new-style constraint definitions,
5708 prototype the functions generated from them, and define the
5709 old constraint interface (still used by generic code) in terms of
5711 (write_insn_preds_c): If we have new-style constraint definitions,
5712 generate all relevant functions from those definitions.
5713 (main): Handle define_constraint etc.
5714 * genoutput.c (struct constraint_data, indep_constraints)
5715 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5716 (mdep_constraint_len): New data structures and functions, defined
5717 #ifdef USE_MD_CONSTRAINTS.
5718 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5719 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5720 use new logic to validate operand constraints against constraint
5722 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5724 * defaults.h: If none of the old-style constraint macros are
5725 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5726 old-style macros; and poison REG_CLASS_FROM_LETTER,
5727 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5729 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5730 * doc/md.texi: Document new constraint-definition mechanism and the
5731 C interface it provides. Remove references to old mechanism
5732 elsewhere in the document.
5733 (Machine Constraints): Use pathnames relative to gcc directory,
5734 i.e. config/ARCH/FILE. Change i386 section to refer to
5735 config/i386/predicates.md; update that section to match docstrings.
5736 * doc/tm.texi: Move all documentation of the old constraint-
5737 definition macros to their own section, clearly mark as obsolete.
5739 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5740 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5742 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5743 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5744 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5746 (splits and peepholes): Use satisfies_constraint_*.
5747 * config/i386/i386.c (memory_address_length)
5748 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5750 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5752 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5753 scalar operation to be put back into the loop.
5755 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5758 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5759 (extract_cie_info): Handle S flag in augmentation string.
5760 (execute_cfa_program): If context->signal_frame, execute also
5761 fs->pc == context->ra instructions.
5762 (uw_frame_state_for): If context->signal_frame, don't subtract one
5763 from context->ra to find FDE.
5764 (uw_update_context_1): Set context->signal_frame to
5766 (_Unwind_GetIPInfo): New function.
5767 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5768 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5770 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5771 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5772 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5773 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5774 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5775 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5776 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5777 x86_64_fallback_frame_state): Set fs->signal_frame.
5778 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5779 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5780 (frob_update_context): Likewise. Workaround missing S flag in
5781 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5782 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5783 Remove the psw_addr + 1 hack.
5785 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5787 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5788 with aggregates here.
5789 (find_func_aliases): Remove code for &<aggregate> from here.
5791 2006-02-26 Roger Sayle <roger@eyesopen.com>
5793 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5794 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5795 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5798 2006-02-26 Roger Sayle <roger@eyesopen.com>
5801 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5803 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5805 * opts.c (decode_options): Do not handle flag_strength_reduce.
5806 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5807 and OPT_fstrength_reduce.
5808 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5809 flag_prefetch_loop_arrays for being nonzero.
5810 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5812 (fprefetch-loop-arrays-rtl): Removed.
5813 (flag_prefetch_loop_arrays): Do not specify the value.
5815 * doc/passes.texi: Update documentation of loop optimizer
5817 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5818 -frerun-loop-opt): Remove.
5820 2006-02-26 Richard Guenther <rguenther@suse.de>
5822 PR tree-optimization/26421
5823 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5824 in function calls that are ADDR_EXPRs as using the whole structure.
5826 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5828 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5829 * tree-pass.h (pass_loop_optimize): Remove.
5830 * passes.c (pass_loop_optimize): Never run it.
5831 * toplev.c (backend_init): Don't call init_loop.
5832 * opts.c (flag_loop_optimize_set): Remove.
5833 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5834 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5835 the old RTL loop optimizer when profiling enabled.
5836 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5837 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5838 pre-headers for the sake of the old RTL loop optimizer.
5839 * Makefile.in: Remove all references to loop.o.
5841 * doc/invoke.texi: Remove all references to -floop-optimize
5842 and -frerun-loop-opt.
5844 2006-02-26 Zack Weinberg <zackw@panix.com>
5846 * doc/md.texi (Machine Constraints): Refer to all files with paths
5847 relative to gcc directory (i.e. config/CPU/file). Add missing
5848 @table @code ... @end table to M32C subsection.
5850 2006-02-26 Roger Sayle <roger@eyesopen.com>
5852 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5854 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5856 2006-02-26 Roger Sayle <roger@eyesopen.com>
5857 James A. Morrison <phython@gcc.gnu.org>
5860 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5861 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5862 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5863 signedness of the shift operation.
5865 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5867 PR tree-optimization/26359
5868 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5870 2006-02-25 Roger Sayle <roger@eyesopen.com>
5872 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5873 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5874 as X == 0, and some symmetry related transformations.
5875 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5877 2006-02-25 Roger Sayle <roger@eyesopen.com>
5880 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5881 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5882 symmetry related transformations. Fold (X^C1) == C2 as
5885 2006-02-25 Juergen Weigert <jw@suse.de>
5886 Richard Guenther <rguenther@suse.de>
5888 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5890 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5892 * combine.c (gen_lowpart_or_truncate): Call
5893 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5895 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5897 * doc/invoke.texi: Move -fopenmp description to "Options for
5899 Remove reference to -lgomp.
5901 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5903 * doc/install.texi: Require GNU tar version 1.14.
5905 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5907 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5908 * doc/invoke.texi (C++ Dialect Options): Document
5909 -fno-use-cxa-get-exception-ptr.
5910 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5911 * configure: Regenerate.
5912 * c.opt (fuse-cxa-get-exception-ptr): New.
5913 * c-opts.c (c_common_handle_option): Handle
5914 OPT_fuse_cxa_get_exception_ptr.
5915 * c-common.c (flag_use_cxa_atexit): Update documentation.
5916 (flag_use_cxa_get_exception_ptr): New.
5917 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5918 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5920 (C_COMMON_OVERRIDE_OPTIONS): New.
5922 2006-02-24 Roger Sayle <roger@eyesopen.com>
5925 * combine.c (try_combine): Explicitly check whether GET_CODE is
5926 a SET or a CLOBBER, instead on checking that it isn't a USE.
5928 2006-02-24 Roger Sayle <roger@eyesopen.com>
5930 * fold-const.c (fold_comparison): New subroutine of fold_binary
5931 containing transformations common to both the equality and
5932 ordering relational operators, factored out of fold_binary.
5933 (fold_binary): Separate out the equality operators (EQ_EXPR
5934 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5935 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5936 transformations common to both.
5937 (fold_div_compare): Fix latent bugs in the previously unreachable
5938 LT_EXPR and GE_EXPR cases.
5940 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5942 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5943 decl libname for clog to __clog on AIX.
5945 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5947 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5950 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5951 output traceback table for thunks. Localise rs6000_stack_info call.
5953 2006-02-23 Roger Sayle <roger@eyesopen.com>
5954 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5956 * gthr-posix.h (__gthrw): Fix typo in comment.
5958 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5960 * doc/cpp.texi (Character sets): Document that we do support
5961 input files to be in any character set.
5963 2006-02-23 Jeff Law <law@redhat.com>
5965 * tree.h (PHI_ARG_NONZERO): Remove.
5966 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5967 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5968 node to the new node.
5970 PR tree-optimization/26425
5971 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5972 min/max, then assume its varying.
5974 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5976 PR rtl-optimization/26316
5977 * rtlanal.c (enum may_trap_p_flags): New.
5978 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5979 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5980 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5981 (may_trap_after_code_motion_p): New function.
5982 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5983 (find_invariant_insn): Use may_trap_after_code_motion_p.
5984 * rtl.h (may_trap_after_code_motion_p): Declare.
5986 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5988 * emit-rtl.c (immed_double_const): Cleanup.
5990 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5992 Fix PR tree-optimization/26376
5993 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5996 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5999 * gimplify.c (omp_add_variable): Guard variable size decl test with
6000 DECL_SIZE (decl) check.
6002 2006-02-23 Richard Guenther <rguenther@suse.de>
6005 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6006 like aggregate types.
6008 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6010 * configure.ac: Add --with{,out}-long-double-128 configure option.
6011 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6012 * configure: Rebuilt.
6013 * config.in: Rebuilt.
6014 * doc/install.texi (Options specification): Document
6015 --with-long-double-128.
6017 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6018 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6019 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6020 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6022 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6024 * config/s390/s390.c (override_options): Handle
6025 TARGET_DEFAULT_LONG_DOUBLE_128.
6027 * config/alpha/alpha.c (override_options): Handle
6028 TARGET_DEFAULT_LONG_DOUBLE_128.
6030 * config/sparc/sparc.c (sparc_override_options): Handle
6031 TARGET_DEFAULT_LONG_DOUBLE_128.
6033 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6035 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6036 (real-install-headers-tar, real-install-headers-cpio)
6037 (real-install-headers-cp): New targets.
6039 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6041 * tree.h (variable_section): Delete.
6042 * varasm.c (variable_section): Delete.
6044 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6046 * install.texi: Add notes on install.texi2html.
6047 (Building in parallel): Do not use footnotes.
6049 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6052 * doc/install.texi (Configuration): Document --disable-libgomp.
6054 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6056 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6058 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6060 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6061 (vec_extractv2df_0_sse): New.
6063 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6065 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6066 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6067 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6068 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6069 to the result of the expression.
6070 (def_cfa_1): Adjust.
6071 (frame_pointer_cfa_offset): Rename to...
6072 (frame_pointer_fb_offset): ... this. Adjust all uses.
6073 (convert_cfa_to_loc_list): Rename to...
6074 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6075 Pass it on to build_cfa_loc.
6076 (compute_frame_pointer_to_cfa_displacement): Rename to...
6077 (compute_frame_pointer_to_fb_displacement): ... this. New
6078 offset parameter. Use it in computation.
6079 (gen_subprogram_die): Compute cfa_fb_offset with the new
6080 macro, and use it to compute the fb loc list and the
6083 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6085 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6086 replaced with register_operand.
6087 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6088 non-DREG is expensive.
6089 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6090 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6093 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6095 * doc/install.texi2html: Use set -e.
6097 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6099 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6100 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6101 * doc/invoke.texi (-fshared-data): Delete.
6102 * common.opt (fshared-data): Delete.
6103 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6104 (assemble_static_space): Remove #if 0 code.
6105 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6106 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6107 * config/cris/cris.h: Remove FIXME.
6109 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6111 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6114 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6117 * combine.c (simplify_shift_const_1): Disable nested shifts
6118 optimization for vector shifts.
6120 2006-02-20 Roger Sayle <roger@eyesopen.com>
6122 PR tree-optimization/26361
6123 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6124 of unsigned integer types.
6126 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6128 * tree-chrec.c (eq_evolutions_p): New.
6129 * tree-chrec.h (eq_evolutions_p): Declared.
6130 * tree-data-ref.c: Fix formatting.
6131 (datadep_stats, dependence_stats): New.
6133 (print_direction_vector): New.
6134 (dump_data_dependence_relation): Use print_direction_vector.
6135 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6136 (compute_subscript_distance): Static.
6137 (initialize_data_dependence_relation): Static. Get the number
6138 of loops surrounding the references from the callers, and initialize
6139 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6140 base_object_differ_p analyzers.
6141 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6142 compute_overlap_steps_for_affine_1_2,
6143 analyze_subscript_affine_affine): Count the classified dependences.
6144 Print a message when a test failed.
6145 (can_use_analyze_subscript_affine_affine): New.
6146 (analyze_siv_subscript): Compute the data dependences on symbolic
6147 scevs that verify can_use_analyze_subscript_affine_affine.
6148 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6149 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6150 Handle symbolic scevs.
6151 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6153 (subscript_dependence_tester): Moved...
6154 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6155 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6156 DDR_SIZE_VECT instead of getting it in parameter.
6157 (subscript_dependence_tester): ... here. Take as a parameter
6158 loop_nest_depth. Call build_classic_dist_vector and
6159 build_classic_dir_vector.
6160 (compute_affine_dependence): Update subscript_dependence_tester
6161 parameters. Update datadep_stats counters. Call
6162 compute_subscript_distance.
6163 (compute_self_dependence): Save the dist and dir vectors. Call
6164 compute_subscript_distance.
6165 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6166 (compute_all_dependences): Reorder parameters as they were before
6167 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6168 compute_subscript_distance. Update the use of
6169 compute_affine_dependence and initialize_data_dependence_relation.
6170 (find_data_references_in_loop): Handle COMPONENT_REF.
6171 (compute_data_dependences_for_loop): Initialize dependence_stats.
6172 Don't call build_classic_dist_vector and build_classic_dir_vector.
6173 Update the parameters of initialize_data_dependence_relation and
6174 compute_all_dependences. Print the statistics from datadep_stats.
6175 (analyze_all_data_dependences): Static. Not used until the pass for
6176 checking the data dependences is contributed.
6177 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6178 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6179 (initialize_data_dependence_relation, compute_affine_dependence,
6180 analyze_all_data_dependences, compute_subscript_distance): Removed.
6181 (print_direction_vector): New.
6182 * lambda.h (gcd): ... here.
6183 (lambda_vector_gcd): Moved here from gcd_vector.
6184 * lambda-code.c (gcd, gcd_vector): Removed.
6185 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6186 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6188 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6190 * ipa-type-escape.c: Tidy some comments and white space.
6191 * tree-ssa-operands.c: Likewise.
6193 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6196 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6197 (dump_decl_name): Do not walk the decl tree chains.
6198 * tree-pass.h (TDF_CHAIN): Remove.
6200 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6202 * Makefile.in (C): Remove
6204 (.PHONY): Remove C and PROTO
6206 2006-02-20 Roger Sayle <roger@eyesopen.com>
6209 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6210 deprecated CHAR_TYPE tree code.
6212 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6214 * configure.ac (target_list): Add install-info, dvi, html.
6215 * configure: Regenerate.
6217 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6218 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6219 treelang/Make-lang.in: Do not use double-colon rules.
6221 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6223 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6224 (TMT_USED_ALONE): New macro.
6225 * tree-pass.h (PROP_tmt_usage): New property.
6226 (TODO_update_tmt_usage): New todo.
6227 * tree-ssa-alias.c (updating_used_alone): New variable.
6228 (recalculate_used_alone): New function.
6229 (compute_may_aliases): Set updating_used_alone, call
6230 recalculate_used_alone.
6231 * tree-sra.c (pass_sra): Note that this pass destroys
6232 PROP_tmt_usage, and add TODO_update_tmt_usage.
6233 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6234 * tree-flow.h (updating_used_alone): Prototype.
6235 (recalculate_used_alone): Ditto.
6236 * passes.c (execute_todo): Add code to set updating_used_alone,
6237 and call recalculate.
6238 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6239 for clobber if used alone, and add assert to verify used_alone
6242 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6244 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6245 for non tls symbols added.
6246 (legitimize_address): Do nothing for PLUS expressions if one of the
6247 addends is a tls symbol reference.
6249 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6253 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6255 * Makefile.in (BOOTSTRAPPING): New.
6256 (quickstrap): New definition if BOOTSTRAPPING=yes.
6258 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6259 * configure.ac: Substitute all_selected_languages with the languages
6260 that were configured. For all the other variables except
6261 lang_specs_files, include all the languages in the tree.
6262 * configure: Regenerate.
6264 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6265 if there is one. Run the commands to run fixincludes in the same
6268 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6269 * doc/install.texi: Document exact conventions for searching target tools.
6270 Document --with-build-time-tools. Document toplevel bootstrap. Document
6271 something more about building an Ada cross-compiler. Don't list GNU Make
6272 requirements which affect all platforms.
6274 2006-02-19 Roger Sayle <roger@eyesopen.com>
6277 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6278 only equivalent if the have both the same mode and precision.
6280 2006-02-20 Ben Elliston <bje@au.ibm.com>
6282 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6284 2006-02-19 Roger Sayle <roger@eyesopen.com>
6285 Steven Bosscher <stevenb.gcc@gmail.com>
6287 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6288 constant pool references to identify stack mode constants.
6289 * rtlanal.c (constant_pool_constant_p): New predicate to check
6290 whether operand is a floating point constant in the pool.
6291 * rtl.h (constant_pool_constant_p): Prototype here.
6292 * loop.c (scan_loop): Avoid hoisting constants from the constant
6293 pool on STACK_REGS targets.
6294 (load_mems): Likewise.
6295 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6296 loads into x87 registers expensive in terms of register pressure.
6298 2006-02-19 Roger Sayle <roger@eyesopen.com>
6300 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6301 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6303 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6305 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6306 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6308 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6310 * doc/invoke.texi: Document -fipa-pta.
6311 * common.opt: Add ipa-pta option.
6312 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6313 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6314 (do_ds_constraint): Ditto.
6315 (get_constraint_for): Only add to referenced_vars if
6316 referenced_vars exists.
6317 (insert_into_field_list): Rewrite to do this unsorted.
6318 (insert_into_field_list_sorted): Rename old insert_into_field_list
6320 (create_function_info_for): Use insert_into_field_list_sorted.
6321 (create_variable_info_for): Rewrite so it uses unsorted version,
6322 since the field list is sorted.
6323 (intra_create_variable_infos): Only add to referenced_vars if
6324 referenced_vars exists.
6325 (ipa_pta_execute): Init heapvars, and delete when done.
6326 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6328 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6330 * doc/install.texi: Add missing `@samp'.
6332 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6334 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6337 2006-02-18 Mark Wielaard <mark@klomp.org>
6339 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6340 who added new 4.1 features, bug fixes and integration support.
6342 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6345 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6348 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6350 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6351 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6352 (copy_insn_1): Likewise. Don't copy each field individually.
6354 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6356 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6357 * rtl.c (rtx_size): Rename variable to...
6358 (rtx_code_size): ...this.
6359 (rtx_size): New function.
6360 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6361 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6363 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6364 * rtl.h (rtx_code_size): New variable.
6365 (rtx_size): Change from a variable to a function.
6366 (RTX_SIZE): Rename to...
6367 (RTX_CODE_SIZE): ...this.
6370 PR tree-optimization/17106
6371 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6372 (Anchored Addresses): New section.
6373 * doc/invoke.texi (-fsection-anchors): Document.
6374 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6375 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6376 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6377 * hooks.c (hook_bool_mode_rtx_false): New function.
6378 * hooks.h (hook_bool_mode_rtx_false): Declare.
6379 * gengtype.c (create_optional_field): New function.
6380 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6381 SYMBOL_REF_IN_BLOCK_P is true.
6382 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6383 (min_anchor_offset, max_anchor_offset): Likewise.
6384 (use_anchors_for_symbol_p): New hook.
6385 * toplev.c (compile_file): Call output_object_blocks.
6386 (target_supports_section_anchors_p): New function.
6387 (process_options): Check that -fsection-anchors is only used on
6388 targets that support it and when -funit-at-a-time is in effect.
6389 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6390 if the decl doesn't have one.
6391 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6392 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6393 of force_const_mem through use_anchored_address.
6394 (expand_expr_constant): New function.
6395 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6396 calling expand_expr for INDIRECT_REF.
6397 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6398 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6399 * expr.h (use_anchored_address): Declare.
6400 * loop-unroll.c: Don't declare rtx vectors here.
6401 * explow.c: Include output.h.
6402 (validize_mem): Call use_anchored_address.
6403 (use_anchored_address): New function.
6404 * common.opt (-fsection-anchors): New switch.
6405 * varasm.c (object_block_htab, anchor_labelno): New variables.
6406 (hash_section, object_block_entry_eq, object_block_entry_hash)
6407 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6408 (use_blocks_for_decl_p, change_symbol_section): New functions.
6409 (get_variable_section): New function, split out from assemble_variable.
6410 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6411 use_blocks_for_decl_p say so. Use change_symbol_section if the
6412 symbol has already been created.
6413 (assemble_variable_contents): New function, split out from...
6414 (assemble_variable): ...here. Don't output any code for
6415 block symbols; just pass them to place_block_symbol.
6416 Use get_variable_section and assemble_variable_contents.
6417 (get_constant_alignment, get_constant_section, get_constant_size): New
6418 functions, split from output_constant_def_contents.
6419 (build_constant_desc): Create a block symbol if use_object_blocks_p
6420 says so. Or into SYMBOL_REF_FLAGS.
6421 (assemble_constant_contents): New function, split from...
6422 (output_constant_def_contents): ...here. Don't output any code
6423 for block symbols; just pass them to place_section_symbol.
6424 Use get_constant_section and get_constant_alignment.
6425 (force_const_mem): Create a block symbol if use_object_blocks_p and
6426 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6427 (output_constant_pool_1): Add an explicit alignment argument.
6428 Don't switch sections here.
6429 (output_constant_pool): Adjust call to output_constant_pool_1.
6430 Switch sections here instead. Don't output anything for block symbols;
6431 just pass them to place_block_symbol.
6432 (init_varasm_once): Initialize object_block_htab.
6433 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6434 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6435 (place_block_symbol, get_section_anchor, output_object_block)
6436 (output_object_block_htab, output_object_blocks): New functions.
6437 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6438 (TARGET_ASM_OUT): Include it.
6439 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6440 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6441 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6442 (TARGET_INITIALIZER): Include them.
6443 * rtl.c (rtl_check_failed_block_symbol): New function.
6444 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6445 (block_symbol, object_block): New structures.
6446 (rtx_def): Add a block_symbol field to the union.
6447 (BLOCK_SYMBOL_CHECK): New macro.
6448 (rtl_check_failed_block_symbol): Declare.
6449 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6450 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6451 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6452 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6453 * output.h (output_section_symbols): Declare.
6454 (object_block): Name structure.
6455 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6456 (default_use_anchors_for_symbol_p): Declare.
6457 * Makefile.in (RTL_BASE_H): Add vec.h.
6458 (explow.o): Depend on output.h.
6459 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6460 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6461 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6462 (rs6000_use_blocks_for_constant_p): New function.
6464 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6466 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6468 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6471 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6474 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6476 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6480 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6483 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6484 instead of DECL_REGISTER.
6486 2006-02-18 Olivier Hainque <hainque@adacore.com>
6489 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6491 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6494 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6495 * opth-gen.awk: Handle Var and InverseMask together.
6496 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6497 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6498 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6499 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6501 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6502 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6503 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6504 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6505 LINUX_DYNAMIC_LINKER): Define.
6506 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6507 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6509 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6510 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6511 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6513 (TARGET_C99_FUNCTIONS): Don't define.
6514 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6515 GLIBC_DYNAMIC_LINKER.
6516 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6517 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6518 GLIBC_DYNAMIC_LINKER64): Define.
6519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6520 LINUX_DYNAMIC_LINKER64.
6521 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6523 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6524 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6525 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6527 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6528 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6529 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6531 and LINUX_DYNAMIC_LINKER32.
6532 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6534 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6536 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6538 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6539 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6540 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6541 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6542 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6543 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6544 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6545 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6546 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6547 LINUX_DYNAMIC_LINKER): Define.
6548 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6549 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6550 GLIBC_DYNAMIC_LINKER64): Define.
6551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6552 LINUX_DYNAMIC_LINKER64.
6553 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6554 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6555 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6556 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6557 LINUX_DYNAMIC_LINKER): Define.
6558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6559 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6560 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6561 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6562 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6563 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6564 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6565 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6566 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6567 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6569 * doc/invoke.texi (-muclibc): Remove caveat about supported
6572 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6574 * doc/cpp.texi (__TIMESTAMP__): Document.
6576 2006-02-17 Roger Sayle <roger@eyesopen.com>
6579 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6580 C is one less than the width of X (and related transformations).
6581 * simplify-rtx.c (simplify_unary_operation_1): Transform
6582 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6583 depending on STORE_FLAG_VALUE, were C is one less then the
6586 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6588 Fix PR tree-optimization/26341
6589 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6590 about NAME_MEMORY_TAG's.
6592 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6595 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6596 with hardware float support, and software float support. Add fcpy
6597 alternative to hardware patterns. Add alternatives to copy between
6598 general and floating-point registers to the 32-bit pattern.
6599 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6600 secondary reload to load a QI or HI mode constant into a floating
6602 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6603 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6605 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6608 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6610 (load_macho_picbase_di): Likewise.
6612 2006-02-16 Jeff Law <law@redhat.com>
6614 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6615 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6616 (ssa_name_nonzero_p): Likewise.
6617 (get_value_range): Return NULL if VRP is not running.
6618 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6619 VRP routines do not discover a range.
6620 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6621 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6622 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6623 (tree_expr_nonnegative_p): Similarly.
6624 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6625 (restore_nonzero_vars_to_original_value): Remove.
6626 (unsafe_associative_fp_binop): Remove.
6627 (tree_ssa_dominator_optimize): Remove initialization and
6628 finalization of nonzero_vars and nonzero_vars_stack.
6629 (dom_opt_initialize_block): No longer push marker on
6631 (dom_opt_finalize_block): No longer call
6632 restore_nonzero_vars_to_original_value.
6633 (record_equivalences_from_phis): No longer look for
6634 nonzero PHI arguments.
6635 (cprop_into_successor_phis): No longer propagate nonzero
6636 property into PHI arguments. Lose unused argument. Caller
6638 (record_equivalences_from_stmt): No longer record nonzero
6639 values for SSA_NAMEs.
6640 (lookup_avail_expr): No longer use nonzero_vars.
6642 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6643 for sizetype when sizetype is unsigned.
6645 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6647 PR rtl-optimization/25603
6648 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6649 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6650 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6651 with new meaning of SETS.
6653 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6658 * config/linux.opt: New file.
6659 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6660 LINUX_DYNAMIC_LINKER): Define.
6661 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6662 * config.gcc (*-*-linux*): Define extra_options.
6663 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6664 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6665 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6666 GLIBC_DYNAMIC_LINKER.
6667 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6668 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6669 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6671 * doc/invoke.texi (GNU/Linux Options): New section.
6673 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6675 * config/sparc/sparc.md (setjmp): Rewrite.
6676 (setjmp_32): Delete.
6677 (setjmp_64): Likewise.
6679 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6681 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6684 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6686 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6689 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6691 PR rtl-optimization/26296
6692 * Makefile.in (loop-invariant.c): Add except.h dependency.
6693 * loop-invariant.c: Include except.h.
6694 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6696 2005-02-16 Paul Brook <paul@codesourcery.com>
6698 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6701 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6703 PR rtl-optimization/25636
6704 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6705 when deciding whether an insn is an initializing insn.
6707 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6709 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6710 (tree_code_size): Ditto.
6711 * tree.h (struct tree_memory_tag): Remove parent_var.
6712 (struct tree_struct_field_tag): New.
6715 (union tree_node): Add sft member.
6716 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6718 (create_sft): Add size and offset argument, set SFT_OFFSET and
6720 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6721 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6722 * tree-flow-inline.h (get_subvar_at): Update for
6723 SFT_OFFSET/SFT_SIZE.
6724 (var_can_have_subvars): Ditto.
6725 (overlap_subvar): Ditto.
6726 * print-tree.c (print_node): Print out interesting things for
6728 * tree-flow.h (struct subvar): Remove offset and size members.
6729 * tree-ssa-operands.c (get_expr_operands): Update for
6730 get_indirect_ref_operands changes.
6731 (get_indirect_ref_operands): Call add_virtual_operand instead of
6732 add_stmt_operand. Only recurse on base var if requested.
6733 (access_can_touch_variable): New function.
6734 (add_stmt_operand): Split virtual operand handling into ...
6735 (add_virtual_operand): Here. Add offset, size, and for_clobber
6736 arguments. Prune alias sets.
6737 (add_call_clobber_ops): Call add_virtual_operand.
6739 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6742 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6744 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6745 than TREE_CODE as index into omp_clause_num_ops array.
6747 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6749 PR rtl-optimization/26184
6750 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6752 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6753 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6754 must_precede, must_follow and tobe_scheduled.
6757 * opts.c (common_handle_option): Free new_option pointer.
6758 * df-core.c (df_analyze): Free postorder pointer.
6760 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6762 * Makefile.in: Fix the examples about the use of stamps
6764 2006-02-15 Michael Matz <matz@suse.de>
6768 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6769 influenced by maximum_field_alignment or DECL_PACKED.
6770 (update_alignment_for_field): Ditto.
6771 (place_field): Ditto.
6772 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6775 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6777 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6778 (debug_flow_info): Pass it.
6779 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6780 * bb-reorder.c (reorder_basic_blocks): Likewise.
6781 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6782 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6783 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6784 * gcse.c (gcse_main, bypass_jumps): Likewise.
6785 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6786 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6787 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6788 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6789 * rtl.h (dump_flow_info): Adjust prototype.
6790 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6791 * var-tracking.c (variable_tracking_main): Likewise.
6792 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6793 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6796 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6798 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6801 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6803 PR tree-optimization/26209
6804 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6805 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6807 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6809 2006-02-14 Roger Sayle <roger@eyesopen.com>
6812 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6813 (X,Y) and the corresponding symmetry related transformations.
6814 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6815 (X,Y) and its symmetry related transformations.
6817 2006-02-14 Roger Sayle <roger@eyesopen.com>
6819 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6822 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6824 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6826 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6829 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6830 support COMDAT group.
6831 * configure: Regenerate.
6833 2006-02-14 Roger Sayle <roger@eyesopen.com>
6838 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6840 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6842 Fix PR tree-optimization/26260
6844 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6846 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6847 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6848 * tree-ssa-structalias.c (create_variable_info_for): Use
6849 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6851 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6853 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6855 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6856 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6857 of the ending condition.
6858 * tree-ssa-loop-manip.c: Include params.h.
6859 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6860 tree_unroll_loop): New functions.
6861 * tree-pass.h (pass_loop_prefetch): Declare.
6862 * loop.c (rest_of_handle_loop_optimize): Test for
6863 -fprefetch-loop-arrays-rtl.
6864 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6865 * timevar.def (TV_TREE_PREFETCH): New timevar.
6866 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6867 pass_loop_prefetch): New.
6868 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6869 (cleanup_tree_cfg_loop): Call scev_reset.
6870 * common.opt (fprefetch-loop-arrays-rtl): Add.
6871 * tree-ssa-loop-prefetch.c: New file.
6872 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6873 (new_temp_expr_table): Initialize expr_vars.
6874 (free_temp_expr_table): Cleanup expr_vars.
6875 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6876 expressions from being merged into one.
6877 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6878 (struct tree_niter_desc): Add control, bound and cmp fields.
6879 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6881 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6882 (tree-cfgcleanup.o): Add SCEV_H dependency.
6883 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6884 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6886 2006-02-14 Richard Guenther <rguenther@suse.de>
6888 PR tree-optimization/26258
6889 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6890 in PHI argument processing.
6892 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6894 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6895 new expression in the requested machine mode.
6897 2006-02-13 Roger Sayle <roger@eyesopen.com>
6899 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6900 directly, instead let do_compare_rtx_and_jump handle this for us.
6901 * expr.c (expand_expr_real_1): Likewise.
6902 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6903 before do_jump_by_parts_greater.
6904 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6905 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6907 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6909 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6911 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6913 PR rtl-optimization/26235
6914 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6915 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6918 2006-02-13 Jeff Law <law@redhat.com>
6920 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6923 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6926 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6927 twice if decl is a builtin. When trying again, call get_callee_fndecl
6928 first to verify it is still a builtin.
6930 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6932 * dwarf2out.c (base_type_die): Don't add AT_name here.
6933 (subrange_type_die): Don't add AT_name here.
6934 (modified_type_die): Rearrange code flow. Do add AT_name here.
6936 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6938 PR rtl-optimization/26247
6939 PR rtl-optimization/26248
6940 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6942 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6944 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6945 * config/fixtfdi.c: Likewise.
6946 * config/fixunstfdi.c: Likewise.
6947 * config/floatditf.c: Likewise.
6949 2006-02-13 Roger Sayle <roger@eyesopen.com>
6952 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6953 into (X,C2) if C1 is a subset of the bits of C2. Transform
6954 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6956 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6958 2006-02-13 Josh Conner <jconner@apple.com>
6961 * varasm.c (function_section): Check for section name before
6962 calling select_section on targets that define
6963 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6964 unlikely_text_section instead of hot_function_section if
6965 first_function_block_is_cold.
6967 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6970 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6972 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6974 PR rtl-optimization/26222
6975 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6976 after tree->rtl expansion.
6977 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6978 before passing it to emit_move_insn.
6980 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6982 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6984 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6985 Clarify documentation.
6986 * c-common.h (warn_write_strings): Remove.
6987 * c-common.c (warn_write_strings): Likewise.
6988 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6991 2006-02-12 Roger Sayle <roger@eyesopen.com>
6994 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6995 (do_jump_parts_zero_rtx): New function renamed from
6996 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6997 (do_jump_parts_equality_rtx): New function split out from
6998 do_jump_parts_equality. Old implementation renamed as above.
6999 Call do_jump_parts_zero_rtx if either operand is zero.
7000 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7001 do all of the heavy lifting.
7002 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7003 calling either do_jump_by_parts_greater_rtx or
7004 do_jump_by_parts_equality_rtx.
7005 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7006 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7007 moved to do_compare_rtx_and_jump, call it directly.
7008 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7009 mode argument. Call do_compare_rtx_and_jump.
7010 (emit_case_nodes): Update calls to do_jump_if_equal.
7012 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7014 PR rtl-optimization/26225
7015 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7017 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7019 PR rtl-optimization/26232
7020 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7022 2006-02-11 Jason Merrill <jason@redhat.com>
7025 * tree-inline.c (declare_return_variable): Just don't use the
7026 modify target if it's a gimple complex reg and the return slot
7029 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7031 * doc/contrib.texi: Update my entry.
7033 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7035 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7037 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7039 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7042 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7044 * doc/invoke.texi (-floop-optimize2): Removed.
7045 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7046 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7047 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7048 * common.opt (floop-optimize2): Removed.
7049 (fmove-loop-invariants): Enabled by default.
7051 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7053 * tree-if-conv.c (combine_blocks): Free the result of
7054 get_loop_exit_edges.
7056 2006-02-10 Jeff Law <law@redhat.com>
7058 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7060 PR tree-optimization/26213
7061 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7062 loop trying to follow SSA_NAME_VALUE chains.
7064 2006-02-10 Richard Guenther <rguenther@suse.de>
7066 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7067 deal with structures that end in implicitly variable sized arrays.
7069 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7071 PR rtl-optimization/24762
7072 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7075 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7077 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7078 (struct ivopts_data): Add regs_used field.
7079 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7080 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7081 instead of loop_data->regs_used;
7082 (free_loop_data): Do not free aux fields for loops.
7083 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7084 and tree_ssa_iv_optimize_finalize.
7086 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7088 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7090 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7093 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7094 computing the effective result type.
7096 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7099 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7100 (tree_overlaps_hard_reg_set): Declare.
7101 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7102 type and signature to match function type expected by walk_tree.
7103 (tree_overlaps_hard_reg_set): New function.
7104 (decl_conflicts_with_clobbers_p): Rename to:
7105 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7106 Use tree_overlaps_hard_reg_set. Changed caller.
7107 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7108 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7109 * cris.c (cris_md_asm_clobbers): Likewise.
7111 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7113 * reload1.c (emit_input_reload_insns): Delete code that tries to
7114 inherit using find_equiv_reg.
7116 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7118 * c-common.h (flag_const_strings): Don't declare.
7119 * c-common.c (flag_const_strings): Remove.
7120 * c.opt (fconst_strings): Remove.
7121 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7122 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7123 (c_common_init_options): Don't set flag_const_strings.
7124 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7126 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7128 * arm.md (tlobits_cbranch): New pattern.
7129 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7130 testing a single bit.
7132 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7135 * tree-ssa-pre.c (create_component_ref_by_pieces):
7136 Handle RETURN_DECL like VAR_DECL.
7138 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7141 * fold-const.c (fold_indirect_ref_1): Fold
7142 "*(foo *)&complexfoo" to "__real__ complexfoo"
7143 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7145 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7147 * tree-flow-inline.h (var_can_have_subvars):
7148 Volatile variables should not have subvariables.
7150 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7153 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7154 multiplying unsigned values.
7157 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7159 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7161 2006-02-08 Jason Merrill <jason@redhat.com>
7164 * tree.def: Elaborate on difference from MODIFY_EXPR.
7165 * doc/c-tree.texi (INIT_EXPR): Likewise.
7166 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7167 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7168 (gimplify_target_expr): Likewise.
7169 (gimplify_cond_expr): Remove target handling.
7170 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7171 (gimplify_expr): Clobber it here.
7172 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7173 Do return slot optimization if we have an INIT_EXPR.
7176 * tree-inline.c (declare_return_variable): Also clear
7177 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7180 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7183 * gimplify.c (gimplify_one_sizepos): Fix typo.
7185 2006-02-08 Jeff Law <law@redhat.com>
7187 PR tree-optimization/21417
7188 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7189 across a backedge if the control statement at the end of the
7190 block is data dependent on other statements in the same block.
7191 (record_temporary_equivalences_from_stmts): Remove over-conservative
7192 test for threading across backedges.
7194 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7195 control statement, handle all three special cases in the same
7196 manner as they all have the same desired solution. No longer
7197 special case edge flag updating when the post dominator is
7200 2006-02-08 Roger Sayle <roger@eyesopen.com>
7202 * tree.def (CHAR_TYPE): Remove.
7203 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7204 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7205 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7206 (gen_string_type_die): Delete unreachable function.
7208 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7209 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7210 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7211 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7212 * builtins.c (type_to_class): Likewise.
7213 * fold-const.c (fold_convert, build_range_check,
7214 merge_ranges): Likewise.
7215 * expr.c (count_type_elements): Likewise.
7216 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7217 * stor-layout.c (layout_type): Likewise.
7218 * ipa-type-escape.c (type_to_consider): Likewise.
7219 * gimplify.c (omp_firstprivatize_type_sizes,
7220 gimplify_type_sizes): Likewise.
7221 * explow.c (promote_mode): Likewise.
7222 * tree-sra.c (is_sra_scalar_type): Likewise.
7223 * varasm.c (output_constant): Likewise.
7224 * tree-inline.c (remap_type_1): Likewise.
7225 * convert.c (convert_to_pointer, convert_to_real,
7226 convert_to_integer, convert_to_complex): Likewise.
7228 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7230 * df-scan.c (df_def_record_1): A set destination may
7231 be a parallel regardless of mode.
7233 2006-02-08 Roger Sayle <roger@eyesopen.com>
7236 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7237 * config/mips/_tilib.c: Remove.
7238 * config/fixtfdi.c: New libgcc source file.
7239 * config/fixunstfdi.c: New source file.
7240 * config/floatditf.c: New source file.
7241 * config/floatunditf.c: New souce file.
7242 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7243 files above instead of config/mips/_tilib.c.
7244 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7246 2006-02-08 Jeff Law <law@redhat.com>
7248 PR tree-optimization/26169
7249 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7252 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7254 * df.h (DF_REG_SIZE): Return the length of the initialized
7257 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7259 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7260 __muldf3): Return a correctly signed zero.
7262 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7264 * passes.c (register_one_dump_file): Accept the current properties
7265 instead of pass number. Adjust call to dump_register. Remove
7267 (register_dump_files): Now a wrapper around...
7268 (register_dump_files_1): ... this one. Do not modify the pass
7270 (next_pass_1): Cosmetic fix.
7271 (execute_todo): Keep second parameter only. Use curr_properties
7272 instead of fetching it from the pass structure. Check and set
7274 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7275 instead of fetching it from the pass structure. Fix calls to
7276 execute_todo. Update curr_properties and initialize .vcg RTL dump
7277 after running the pass. Reset last_verified.
7278 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7280 (FIRST_AUTO_NUMBERED_DUMP): New.
7281 (dump_register): Remove "num" parameter, assign it within the
7283 (get_dump_file_name): Modify template for dumps.
7284 * tree-dump.h (dump_register): Adjust prototype.
7285 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7286 (PROP_trees): Add PROP_gimple_lomp.
7287 (TODO_set_props): New.
7288 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7289 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7290 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7292 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7294 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7295 (sparc64-*-linux*): Likewise.
7296 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7297 * config/sparc/t-linux: New file.
7298 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7299 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7300 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7301 -m32 -mlong-double-128.
7303 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7304 * config/alpha/t-linux: New file.
7305 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7307 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7308 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7309 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7310 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7311 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7312 (CPP_ARCH32_SPEC): Remove.
7314 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7316 PR tree-optimization/26145
7317 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7320 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7323 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7324 >= 240000 when generating code for SOM runtime.
7325 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7326 to $$dyncall when generating code for SOM runtime..
7328 2006-02-07 Dirk Mueller <dmueller@suse.com>
7331 * doc/invoke.texi (-Wsequence-point): Update documentation
7332 that -Wsequence-point is implemented for C++ as well.
7334 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7336 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7337 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7338 (LIB_SPEC): Likewise.
7339 * doc/invoke.texi (SPARC options): Document -pthread.
7341 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7343 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7346 2006-02-07 Roger Sayle <roger@eyesopen.com>
7348 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7349 Correct comment describing BOOLEAN_TYPE.
7351 2006-02-07 Dirk Mueller <dmueller@suse.com>
7353 * c.opt: C++ frontend supports -Wdiv-by-zero.
7354 * c-opts.c (c_common_handle_option): Remove dead case.
7356 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7358 * configure.ac (TLS assembler check): Do not enable TLS by
7359 default on SPARC/Solaris before version 10.
7360 * configure: Regenerate.
7362 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7364 * doc/invoke.texi (xl-compat): Document conversion and support
7367 2006-02-07 Jeff Law <law@redhat.com>
7369 * tree-vrp.c (find_conditional_asserts): Update comments.
7370 (simplify_stmt_for_jump_threading): New.
7371 (identify_jump_threads, finalize_jump_threads): New.
7372 (vrp_finalize): Call identify_jump_threads.
7373 (execute_vrp): Call finalize_jump_threads.
7374 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7375 (vrp_element, vrp_data, vrp_element_p): Remove.
7376 (vrp_hash_elt, vrp_variables_stack): Remove.
7377 (vrp_hash, vrp_eq, record_range): Remove.
7378 (simplify_cond_and_lookup_avail_expr): Remove.
7379 (extract_range_from_cond): Remove.
7380 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7381 (simplify_stmt_for_jump_threading): New.
7382 (dom_thread_across_edge): New wrapper.
7383 (tree_ssa_dominator_optimize): No longer initialize or
7384 finalize any of the VRP datastructures. Remove iteration
7385 step and simplify as a result of removal of iteration step.
7386 (pass_dominator): Perform a cfg cleanup after DOM.
7387 (dom_opt_finalize_block): Use the new common routines
7388 for threading jumps. Simplify stack management slightly.
7389 No longer need to unwind VRP state.
7390 (record_equivalences_from_incoming_edge): No longer record
7392 (eliminate_redundant_computations): No longer call
7393 simplify_cond_and_lookup_avail_expr.
7394 * tree-flow.h (potentially_threadable_block): Prototype.
7395 (thread_across_edge): Likewise.
7396 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7397 (tree-ssa-threadedge.o): Add dependencies.
7398 * tree-ssa-threadedge.c: New file.
7399 * passes.c (init_optimization_passes): Merge PHIs before
7400 calling VRP. Run VRP again late in the SSA optimization pipeline.
7402 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7404 * df-core.c (df_set_blocks): Do not dereference function pointers.
7405 (df_finish1): Likewise.
7406 (df_hybrid_search_forward): Likewise.
7407 (df_hybrid_search_backward): Likewise.
7408 (df_iterative_dataflow): Likewise.
7409 (df_analyze_problem): Likewise.
7410 (df_compact_blocks): Likewise.
7411 (df_dump): Likewise.
7412 * df-scan.c (df_rescan_blocks): Likewise.
7413 (df_record_entry_block_defs): Likewise.
7415 * genconditions.c (write_conditions): Guard the definition of
7416 'insn_conditions' with the check on GCC version.
7417 (write_writer): Guard the traversal 'insn_conditions' with
7418 the check on GCC version.
7420 2006-02-07 Richard Guenther <rguenther@suse.de>
7424 2006-01-30 Richard Guenther <rguenther@suse.de>
7426 * gimplify.c (gimplify_target_expr): Handle easy cases
7427 without creating a temporary.
7429 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7431 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7432 use of float in probability computations. Use edge probabilities
7433 in place of statically computed probabilities.
7434 (min_spec_prob): New static variable.
7435 (schedule_insns): Initialize it.
7436 (GET_SRC_PROB): Removed.
7437 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7439 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7442 * config/ia64/unwind-ia64.c: Revert last change.
7443 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7444 (INCOMING_FRAME_SP_OFFSET): Define.
7446 2006-02-06 Roger Sayle <roger@eyesopen.com>
7448 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7450 2006-02-07 Ben Elliston <bje@au.ibm.com>
7452 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7453 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7454 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7455 (ix86_return_in_memory): Handle TDmode.
7456 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7457 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7459 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7461 * reorg.c (dbr_schedule): Use dump_file instead of file.
7463 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7466 * config/ia64/predicates.md (extr_len_operand): New predicate.
7467 * config/ia64/ia64.md (extv): Tighten constraints.
7469 (*tbit_and_2): Ditto.
7470 (*tbit_and_3): Ditto.
7471 (*tbit_or_2): Ditto.
7472 (*tbit_or_3): Ditto.
7476 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7479 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7481 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7483 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7484 loop_optimizer_init and loop_optimizer_finalize
7485 * tree-ssa-sink.c (execute_sink_code): Ditto.
7486 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7487 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7488 tree_ssa_loop_done): Ditto.
7489 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7490 * sched-ebb.c: Include output.h.
7491 (schedule_ebbs): Do not use dump argument.
7492 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7493 * loop.c (loop_dump_stream): Removed.
7494 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7496 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7497 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7498 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7499 loop_iterations, strength_reduce, record_biv, record_giv,
7500 final_giv_value, check_final_value, check_ext_dependent_givs,
7501 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7502 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7503 dump_file instead of loop_dump_stream.
7504 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7506 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7508 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7509 * haifa-sched.c: Include output.h
7510 (schedule_insns, sched_init): Do not use dump argument.
7511 * mode-switching.c (optimize_mode_switching): Ditto.
7512 * modulo-sched.c (stats_file): Removed.
7513 (print_node_sched_params): Do not call argument dump_file.
7514 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7515 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7517 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7519 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7520 rtl_loop_init, rtl_loop_done): Ditto.
7521 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7522 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7524 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7525 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7526 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7527 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7528 * emit-rtl.c (renumber_insns): Ditto.
7529 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7530 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7531 * regclass.c (regclass): Ditto.
7532 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7533 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7534 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7535 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7537 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7538 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7540 * gcse.c (gcse_file, debug_stderr): Removed.
7541 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7542 rest_of_handle_gcse): Do not use dump argument.
7543 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7544 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7545 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7546 compute_code_hoist_vbeinout, compute_code_hoist_data,
7547 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7548 compute_store_table, build_store_vectors, insert_insn_start_bb,
7549 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7550 store_motion): Use dump_file instead of gcse_file.
7551 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7552 * profile.c (profile_dump_file): Removed.
7553 (branch_prob): Use dump_file instead of profile_dump_file.
7554 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7556 * tree-ssa-copy.c (dump_copy_of): Ditto.
7557 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7558 dump file to life_analysis.
7559 * bt-load.c (branch_target_load_optimize): Ditto.
7560 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7562 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7563 regclass, dbr_schedule): Declaration changed.
7564 * sched-int.h (sched_init): Declaration changed.
7565 * tree-profile.c (tree_profile_dump_file): Removed.
7566 (tree_profile_hooks): Removed profile_dump_file hook.
7567 * rtl-profile (rtl_profile_dump_file): Removed.
7568 (rtl_profile_hooks): emoved profile_dump_file hook.
7569 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7571 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7572 * tree-cfg.c (build_tree_cfg): Ditto.
7573 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7574 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7575 Declaration changed.
7576 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7577 life_analysis and schedule_insns.
7578 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7580 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7582 * config/mips/mips.c (mips_reorg): Ditto.
7583 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7586 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7588 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7589 (s390_mangle_fundamental_type): New.
7590 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7593 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7594 (alpha_mangle_fundamental_type): New.
7595 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7598 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7600 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7602 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7603 (sparc_mangle_fundamental_type): New.
7605 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7607 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7608 (s390x-*-linux*): Likewise.
7609 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7610 * config/s390/t-linux: New file.
7612 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7614 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7615 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7617 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7619 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7620 (ANTIC_SAFE_LOADS): New macro.
7621 (find_or_generate_expression): Add prototype.
7622 (set_contains_value): Allow null set for sake of not always having
7623 to allocate ANTIC_SAFE_LOADS.
7624 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7625 Allow COMPONENT_REF too.
7626 (valid_in_set): Allow COMPONENT_REF.
7627 Check ANTIC_SAFE_LOADS too.
7628 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7629 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7631 (can_PRE_operation): Add COMPONENT_REF.
7632 (create_component_ref_by_pieces): New function.
7633 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7634 (insert_aux): Move AGGREGATE_TYPE_P check here.
7635 (compute_avail): Set bb local stmt uids.
7636 (pass_pre): Use TODO_update_ssa_only_virtuals.
7638 2006-02-06 Ben Elliston <bje@au.ibm.com>
7640 * configure.ac: Unconditionally disable decimal float by default.
7641 * configure: Regenerate.
7643 2006-02-06 Ben Elliston <bje@au.ibm.com>
7645 * read-rtl.c (read_name): Terminate reading on EOF.
7647 2006-02-06 Ben Elliston <bje@au.ibm.com>
7649 * dfp.c (decimal_real_arithmetic): Change second argument type
7650 from int to enum tree_code. Do not always return true, but now
7651 return result of any call to decimal_do helper functions.
7652 * dfp.h (decimal_real_arithmetic): Update prototype.
7654 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7656 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7658 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7661 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7664 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7666 * tree-vrp.c (cfg_loops): Removed.
7667 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7668 Use current_loops instead of cfg_loops. Pass flags to
7669 loop_optimizer_init.
7670 * cfgloopmanip.c (fix_loop_structure): Update only available
7672 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7673 loop_optimizer_init.
7674 * modulo-sched.c (build_loops_structure): Removed.
7675 (sms_schedule): Use loop_optimizer_init.
7676 * loop-init.c (loop_optimizer_init): Use flags to determine
7677 which properties of loops to prepare.
7678 (rtl_loop_init): Pass flags to loop_optimizer_init.
7679 * tree-ssa-sink.c (execute_sink_code): Ditto.
7680 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7681 * tree-ssa-pre.c (init_pre): Ditto.
7682 * cfgloop.h (LOOPS_NORMAL): New.
7683 (loop_optimizer_init): Declaration changed.
7685 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7687 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7688 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7690 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7692 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7694 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7695 * pa/t-pa64: Delete quadlib.c rule.
7696 * pa/x-ada: Revert last change.
7697 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7699 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7701 PR rtl-optimization/26087
7702 * rtlanal.c (canonicalize_condition): Do not cross basic block
7705 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7708 * config/ia64/ia64.c: Include debug.h.
7709 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7710 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7711 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7712 (process_epilogue, process_set, process_for_unwind_directive):
7713 Output unwind info only if requested. Add CFA info if requested.
7714 Add new arguments as needed. Adjust callers.
7715 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7717 (DWARF2_FRAME_INFO): Define to zero.
7718 * config/ia64/unwind-ia64.c: Remove code that compensated for
7719 the CFA offset error fixed above.
7720 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7721 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7722 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7723 -funwind-tables and -fexceptions to enable frame info.
7724 (dwarf2out_frame_init): Define initial CFA even if
7725 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7726 DWARF2_UNWIND_INFO is nonzero, not just defined.
7727 (dwarf2out_frame_finish): Output non-EH call frame info only
7728 if DWARF2_FRAME_INFO is nonzero.
7729 (convert_cfa_to_loc_list,
7730 compute_frame_pointer_to_cfa_displacement): Define even if
7731 unwind info is not supported.
7732 (gen_subprogram_die): Use the above unconditionally. Remove
7733 legacy alternate code.
7734 * toplev.c (compile_file): Compile in call to
7735 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7736 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7738 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7739 Jakub Jelinek <jakub@redhat.com>
7741 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7742 IBM extended float format long double as "g" on powerpc*-linux.
7744 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7747 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7748 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7750 2006-02-03 Jason Merrill <jason@redhat.com>
7753 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7756 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7757 on the return slot if it's an NRV.
7759 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7761 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7762 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7763 rewrite_use): Do not handle USE_OUTER.
7764 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7765 add_iv_outer_candidates, may_replace_final_value,
7766 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7767 (find_interesting_uses_op): Functionality of
7768 find_interesting_uses_outer_or_nonlin moved here.
7769 (find_interesting_uses_outside): Use find_interesting_uses_op.
7771 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7774 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7776 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7777 Ulrich Weigand <uweigand@de.ibm.com>
7780 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7781 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7782 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7783 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7785 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7786 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7787 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7788 Define secondary reloads for TFmode moves.
7789 (constant_modes): Add TFmode.
7790 (NR_C_MODES): Set to 8.
7791 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7793 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7794 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7795 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7796 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7797 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7798 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7799 (FPR mode macro): Add TFmode.
7800 (DSF mode macro): New.
7801 (<de>, <dee> mode attributes): Removed.
7802 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7803 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7804 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7805 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7806 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7807 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7808 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7809 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7810 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7811 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7812 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7813 "*negabs<mode>2", "sqrt<mode>2"):
7814 Changed <de> to <xde>. R constraint replaced by <Rf>.
7815 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7817 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7818 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7819 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7821 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7822 "extenddftf2", "extendsftf2"): New expanders.
7823 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7824 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7825 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7826 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7828 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7829 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7830 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7831 __floatditf): Add a GCC_4.1.0 symbol version tag.
7832 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7835 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7838 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7839 Use targetm.binds_local_p instead of TREE_PUBLIC.
7841 2006-02-02 Roger Sayle <roger@eyesopen.com>
7843 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7844 on INTEGER_TYPEs to indicate that it denotes a character type.
7845 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7846 signed_char_type_node, unsigned_char_type_node and char_type_node.
7847 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7848 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7849 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7851 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7852 Daniel Berlin <dberlin@dberlin.org>
7854 * tree-tailcall.c (arg_needs_copy_p): New function.
7855 (eliminate_tail_call): Use arg_needs_copy_p.
7856 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7857 (add_virtual_phis): New function.
7859 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7861 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7862 #ignore instead of #scratch for %g7 .register directive.
7864 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7866 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7869 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7871 * flow.c (calculate_global_regs_live): Assert that there aren't any
7874 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7876 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7878 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7879 bsi_after_labels iterator.
7880 * tree-if-conv.c (find_phi_replacement_condition,
7881 replace_phi_with_cond_modify_expr): Likewise.
7882 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7883 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7885 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7887 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7889 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7892 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7893 array after growing it.
7895 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7898 * fold-const.c (fold_checksum_tree): Change type of buf.
7900 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7902 * reload.c (push_secondary_reload): Initialize t_icode.
7904 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7906 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7907 -msoft-float -mlong-double-128 only issue a warning, but don't
7908 swich to DFmode long double.
7910 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7912 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7913 has a constant equivalent, iterate over equivalents for arg0,
7914 calling simplify_relational_operation and if there's a result
7915 cheaper than X, apply fold_rtx and return the result.
7917 2006-02-01 Jan Hubicka <jh@suse.cz>
7919 * opts.c (no_unit_at_a_time_default): New global variable.
7920 (decode_options): Use it.
7921 * opts.h (no_unit_at_a_time_default): Declare.
7923 2006-02-01 Paul Brook <paul@codesourcery.com>
7925 * function.c (assign_parm_setup_reg): Use function argument promotion
7927 * expr.c (expand_expr_real_1): Use function argument promotion rules
7930 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7932 * gcc.c (process_command): Change j to 'unsigned int'.
7934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7937 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7938 Use the corrected index for the character
7939 out of the string constant.
7941 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7943 * mode-switching.c (optimize_mode_switching): Fix size
7944 allocated for bb_info[n_entities].
7946 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7948 * gcc.c (main): Correct type that is allocated for
7949 explicit_link_files.
7951 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7953 * config/s390/s390.c (init_alignment_context): Set
7954 ALIAS_SET_MEMORY_BARRIER on the MEM.
7955 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7957 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7960 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7962 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7965 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7967 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7968 * regrename.c: Ditto.
7969 * tree-ssa-loop-im.c: Ditto.
7970 * tree-dump.c: Ditto.
7971 * tree-complex.c: Ditto.
7972 * genrecog.c: Ditto.
7973 * tree-ssa-threadupdate.c: Ditto.
7975 * java/class.c: Ditto.
7976 * java/jcf-parse.c: Ditto.
7977 * java/resource.c: Ditto.
7978 * java/except.c: Ditto.
7979 * java/jvspec.c: Ditto.
7980 * java/jcf-write.c: Ditto.
7981 * java/jcf-path.c: Ditto.
7982 * java/gjavah.c: Ditto.
7983 * java/zextract.c: Ditto.
7984 * java/jcf-io.c: Ditto.
7985 * java/jcf.h: Ditto.
7986 * java/buffer.c: Ditto.
7987 * java/lang.c: Ditto.
7988 * java/parse-scan.y: Ditto.
7989 * java/lex.c: Ditto.
7990 * java/lex.h: Ditto.
7991 * cfgloopmanip.c: Ditto.
7992 * postreload-gcse.c: Ditto.
7993 * tree-ssa-loop-manip.c: Ditto.
7994 * postreload.c: Ditto.
7995 * tree-ssa-loop-ch.c: Ditto.
7999 * diagnostic.c: Ditto.
8001 * genoutput.c: Ditto.
8003 * cfghooks.c: Ditto.
8004 * cfgloopanal.c: Ditto.
8005 * objc/objc-act.c: Ditto.
8007 * genextract.c: Ditto.
8008 * genautomata.c: Ditto.
8009 * pretty-print.c: Ditto.
8011 * cgraphunit.c: Ditto.
8014 * haifa-sched.c: Ditto.
8015 * dominance.c: Ditto.
8017 * tree-ssa-loop-ivopts.c: Ditto.
8019 * mode-switching.c: Ditto.
8020 * modulo-sched.c: Ditto.
8022 * ipa-pure-const.c: Ditto.
8024 * fix-header.c: Ditto.
8026 * tree-stdarg.c: Ditto.
8027 * ipa-utils.c: Ditto.
8028 * loop-init.c: Ditto.
8029 * ipa-inline.c: Ditto.
8032 * alloc-pool.c: Ditto.
8033 * dwarf2out.c: Ditto.
8035 * genattrtab.c: Ditto.
8036 * tree-ssa-loop-ivcanon.c: Ditto.
8040 * fortran/gfortranspec.c: Ditto.
8042 * local-alloc.c: Ditto.
8043 * langhooks.c: Ditto.
8044 * function.c: Ditto.
8045 * tree-vectorizer.c: Ditto.
8047 * ipa-type-escape.c: Ditto.
8049 * tree-if-conv.c: Ditto.
8052 * tree-data-ref.c: Ditto.
8053 * loop-unroll.c: Ditto.
8054 * treelang/treetree.c: Ditto.
8057 * ggc-common.c: Ditto.
8059 * coverage.c: Ditto.
8061 * tree-cfgcleanup.c: Ditto.
8062 * tree-ssa-pre.c: Ditto.
8063 * cfgcleanup.c: Ditto.
8064 * loop-invariant.c: Ditto.
8066 * ipa-prop.c: Ditto.
8067 * print-tree.c: Ditto.
8068 * conflict.c: Ditto.
8069 * ggc-page.c: Ditto.
8070 * sched-deps.c: Ditto.
8071 * regclass.c: Ditto.
8072 * tree-object-size.c: Ditto.
8074 * bb-reorder.c: Ditto.
8075 * resource.c: Ditto.
8076 * var-tracking.c: Ditto.
8078 * df-problems.c: Ditto.
8079 * reg-stack.c: Ditto.
8082 * sched-rgn.c: Ditto.
8083 * tree-ssa-structalias.c: Ditto.
8084 * tree-ssa-reassoc.c: Ditto.
8085 * config/darwin-c.c: Ditto.
8086 * config/darwin.c: Ditto.
8087 * config/arm/arm.c: Ditto.
8089 * collect2.c: Ditto.
8092 2006-01-31 Nicolas Pitre <nico@cam.org>
8094 * arm.md (smaxsi3): Make aware of smax_m1.
8097 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8099 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8101 2006-01-31 Richard Guenther <rguenther@suse.de>
8103 * doc/invoke.texi (-msselibm): Document.
8104 * target.h (expand_library_builtin): New target hook.
8105 * builtins.c (expand_builtin): Use expand_library_builtin.
8106 (default_expand_library_builtin): New function.
8107 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8108 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8109 (link_gcc_math_spec): Declare.
8110 (static_specs): Add link_gcc_math_spec.
8111 * expr.h (default_expand_library_builtin): Declare.
8112 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8113 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8114 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8115 * config/i386/i386.opt (msselibm): New target option.
8116 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8117 (ix86_init_sse_abi_builtins): New function.
8118 (ix86_expand_library_builtin): Likewise.
8119 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8120 (override_options): Handle error conditions wrt -msselibm.
8121 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8122 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8123 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8126 2006-01-31 Richard Guenther <rguenther@suse.de>
8127 Paolo Bonzini <bonzini@gnu.org>
8129 * doc/install.texi (--disable-libgcc-math): Document.
8131 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8133 * expr.h (expand_normal): new inline function.
8134 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8136 * dwarf2out.c: use it.
8141 * config/sparc/sparc.c: use it.
8142 * config/i386/i386.c: use it.
8143 * config/rs6000/rs6000.c: use it.
8144 * config/arm/arm.c: use it.
8145 * config/mips/mips.c: use it.
8146 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8148 2006-01-30 Roger Sayle <roger@eyesopen.com>
8150 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8151 argv to the appropriate type.
8153 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8155 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8158 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8161 * config/s390/s390.c (struct machine_function): New flag
8162 decomposed_literal_pool_addresses_ok_p.
8163 (s390_reorg): Set it before final stage of literal pool transforms.
8164 (s390_decompose_address): Only accept displacements of the form
8165 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8167 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8169 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8170 the comparison routine return.
8172 2006-01-30 Michael Matz <matz@suse.de>
8174 * global.c (find_reg): Only evict for global regs.
8175 Take n_refs into account and dump more info.
8177 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8180 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8181 (pragma_trap, pragma_nosave_low_regs): Likewise.
8182 (current_function_anonymous_args): Likewise.
8183 (sh_deferred_function_attributes): New variable.
8184 (sh_deferred_function_attributes_tail): Likewise.
8185 (print_operand): For '@', look up trap_exit attribute.
8186 (calc_live_regs): Look up trapa_handler attribute. For trapa
8187 handlers, save/restore fpscr, but don't do any other
8188 interrupt-specific saves.
8189 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8190 Fix check for partially saved registers to check for SHmedia.
8191 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8192 (sh_output_function_epilogue): Don't clear any of the removed
8194 (sh_insert_attributes): Don't check pragma_interrupt.
8195 Insert deferred attributes. Check that interrupt attribute is
8196 present for other attributes that require its presence.
8197 (sh_attribute_table): Add new attributes trapa_handler and
8199 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8200 Don't check for pragma_interrupt. Don't store argument.
8201 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8202 (sh_deferred_function_attributes): Declare.
8203 (sh_deferred_function_attributes_tail): Likewise.
8204 * sh.md (sp_switch_1): Add operand. Change generator caller.
8205 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8206 (*return_i): Don't use when trap_exit attribute is in effect.
8207 (*return_trapa): New insn pattern.
8209 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8210 setting c_target_objs and cxx_target_objs.
8211 * t-sh: Add rule for sh-c.o.
8213 2006-01-30 Richard Guenther <rguenther@suse.de>
8216 * gimplify.c (gimplify_target_expr): Handle easy cases
8217 without creating a temporary.
8219 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8221 * vec.h (safe_grow): Remove duplicated line.
8223 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8226 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8227 (expand_omp): ... here.
8228 (expand_omp_parallel): Only remove barriers for combined
8229 parallel+workshare constructs.
8231 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8235 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8236 * tree.c (build_qualified_type): Chain the new type to the original
8237 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8238 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8239 (build_pointer_type_for_mode): Only return unqualified types.
8240 (build_reference_type_for_mode): Likewise.
8242 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8244 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8245 * Makefile.in (CXX_COMPAT_WARN): Define.
8246 * configure: Regenerate.
8248 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8251 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8254 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8256 * toplev.c: Fix thinko.
8258 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8259 Marcin Dalecki <martin@dalecki.de>
8261 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8262 (push_srcloc): Use XNEW.
8263 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8265 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8267 * df-core.c (df_set_blocks): Deleted all variable.
8269 2006-01-28 Ian Lance Taylor <ian@airs.com>
8271 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8272 cgraph_output_pending_asms.
8274 2006-01-28 Zack Weinberg <zackw@panix.com>
8276 * c.opt: Add -W(no-)overlength-strings.
8277 * doc/invoke.texi: Document it.
8278 * c-opts.c (c_common_handle_option): -pedantic implies
8279 -Woverlength-strings, if not explicitly disabled already.
8280 (c_common_post_options): -Woverlength-strings defaults to off, and
8281 is always off for C++.
8282 * c-common.c (fix_string_type): Issue warning about strings longer
8283 than is portable only if warn_overlength_strings. Rearrange code
8284 a little for clarity.
8285 * configure.in: Check for -Wno-overlength-strings as well before
8286 enabling -pedantic in stage 1.
8287 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8288 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8290 * genconditions.c (write_header, write_one_condition)
8291 (write_conditions, write_writer): Consolidate very long strings
8292 that were broken up to fit in C89 portable limit. Don't use
8293 printf when fputs will do.
8295 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8297 * combine.c (simplify_comparison <AND>): Check
8298 TRULY_NOOP_TRUNCATION before start using a subreg.
8300 * config/mips/mips.md (*branch_zero<mode>,
8301 *branch_zero<mode>_inverted, *branch_equality<mode>,
8302 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8303 Remove mode check from comparisons.
8305 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8307 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8309 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8311 * expmed.c (const_mult_add_overflow_p): Remove.
8312 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8314 * recog.c (validate_replace_rtx_subexp): Remove.
8315 * recog.h: Remove the prototype for
8316 validate_replace_rtx_subexp.
8318 * integrate.h: Remove the prototype for
8319 copy_decl_for_inlining.
8320 * rtl.h: Remove the prototype for mark_constant_function.
8321 * tree-vectorizer.h: Remove the prototype for
8322 vect_strip_conversion.
8324 * modulo-sched.c (create_partial_schedule,
8325 free_partial_schedule, reset_partial_schedule): Make them
8328 * hooks.c (hook_bool_rtx_int_false): Remove.
8329 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8331 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8333 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8334 and -mlong-double-128 are incompatible.
8335 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8336 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8337 (TARGET_LIBGCC2_CFLAGS): Define.
8338 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8339 (TARGET_LIBGCC2_CFLAGS): Same.
8340 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8342 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8345 * c-typeck.c (build_binary_op): Perform implicit casts of
8346 operands before shortening them.
8348 * cfgloopmanip.c (split_loop_bb): Remove.
8349 * cfgloop.h: Remove the prototype for split_loop_bb.
8351 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8352 * cfgloop.h: Remove the prototype for
8353 flow_loop_outside_edge_p.
8355 * emit-rtl.c (init_virtual_regs): Make it static.
8356 * function.h: Remove the prototype for init_virtual_regs.
8358 * recog.c (peephole2_optimize): Make it static.
8359 * recog.h: Remove the prototype for peephole2_optimize.
8361 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8363 * df-scan.c (df_record_entry_block_defs): Check if
8364 INCOMING_RETURN_ADDR_RTX is defined.
8366 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8367 Kenneth Zadeck <zadeck@naturalbridge.com>
8369 PR rtl-optimization/24762
8370 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8371 * targhooks.c (hook_void_bitmap): New hook prototype.
8372 * targhoohs.h (hook_void_bitmap): Ditto.
8373 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8374 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8375 * target.h (live_on_entry): New function pointer.
8376 * df-scan.c (df_all_hard_regs): Removed.
8377 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8378 (df_scan_free_internal): Added df->entry_block_defs.
8379 (df_scan_alloc): Ditto.
8380 (df_scan_dump): Ditto.
8381 (df_uses_record): Plumbed flag field properly thru calls.
8382 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8383 This part fixes PR24762.
8384 (df_bb_refs_record): Added code to make the frame and arg
8385 pointers live in EH blocks.
8386 (df_refs_record): Added call to df_record_entry_block_defs.
8387 (df_record_entry_block_defs): New function.
8388 * df-core.c: Added comments to describe new artifical defs.
8389 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8390 (entry_block_defs): New field in struct df.
8391 (df_all_hard_regs): Deleted.
8392 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8393 * df-problems.c (df_ru_bb_local_compute_process_def):
8394 Added code to handle artifical defs in the entry to a function.
8395 (df_ru_bb_local_compute): Ditto.
8396 (df_rd_bb_local_compute_process_def): Ditto.
8397 (df_rd_bb_local_compute): Ditto.
8398 (df_lr_bb_local_compute): Ditto.
8399 (df_ur_bb_local_compute): Ditto.
8400 (df_urec_bb_local_compute): Ditto.
8401 (df_chain_create_bb): Ditto.
8402 (df_ur_local_finalize): Removed entry.
8403 (df_urec_init): Ditto.
8404 (df_urec_local_finalize): Ditto.
8405 (df_ri_bb_compute): Added detection of last use of pseudos.
8406 * Makefile.in (df-scan.o): Updated dependencies.
8407 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8408 * config/mips/mips.c (mips_set_live_on_entry): Added.
8409 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8411 * dce.c (marked_insn_p): Added code to handle artifical defs.
8413 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8415 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8417 (_mm_cvtsi128_si64): Likewise.
8418 (_mm_cvtsd_si64): Likewise.
8419 (_mm_cvttsd_si64): Likewise.
8420 (_mm_cvtsi64_sd): Likewise.
8421 (_mm_cvtsi64_si128): Likewise.
8422 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8423 (_mm_cvtsi64_m64): Likewise.
8424 (_m_to_int64): Likewise.
8425 (_mm_cvtm64_si64): Likewise.
8426 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8427 (_mm_cvttss_si64): Likewise.
8428 (_mm_cvtsi64_ss): Likewise.
8429 (_mm_cvtss_f32): Likewise.
8431 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8433 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8434 for pragma redefine_extname.
8436 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8439 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8440 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8441 -mno-minimal-toc to previous content.
8442 (bispecs): Remove goal.
8443 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8444 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8445 compatibility aliases on powerpc-*-*gnu*.
8446 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8447 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8448 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8449 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8450 (ldblspecs): New goal.
8451 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8452 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8454 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8455 L_sf_to_tf or L_df_to_tf is defined.
8457 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8458 Alan Modra <amodra@bigpond.net.au>
8461 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8462 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8463 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8464 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8465 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8466 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8467 (rs6000_override_options): Initialize rs6000_ieeequad.
8468 Initialize TFmode format to ibm_extended_format if not
8470 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8472 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8473 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8474 (function_arg_advance): IBM long double passed in two FPRs, not
8476 (function_arg): IBM long double passed in FPRs.
8477 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8478 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8479 Only multireg GPR aligned.
8480 (rs6000_init_libfuncs): Enable IBM long double functions if not
8482 (rs6000_generate_compare): Use IBM long double compare if not
8484 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8485 (TARGET_IEEEQUAD): Define.
8486 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8487 not TARGET_IEEEQUAD.
8488 * config/rs6000/rs6000.md: Enable TFmode patterns if
8490 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8491 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8492 and -mlong-double-128 are incompatible.
8493 * doc/invoke.texi (-mabi): Collect options together. Add
8494 ibmlongdouble and ieeelongdouble.
8496 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8498 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8500 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8501 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8502 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8503 * rtl.h (rtunion_def): Remove rt_ptr.
8505 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8506 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8507 * config/i386/winnt.c (i386_pe_mark_dllexport)
8508 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8510 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8512 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8514 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8518 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8519 pthread_key_delete. From John David Anglin. gthrw-ify
8520 pthread_getunique_np only if it it's not a macro. Delete
8522 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8523 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8524 __gthread_objc_condition_signal, __gthread_key_delete): Add
8525 "__attribute__ ((__unused__))" to unused arguments.
8526 (__gthread_recursive_mutex_init_function): Add missing return.
8527 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8528 gthr-posix95.h: Use macro-based approach for name redirection
8529 on targets missing weakref.
8531 2006-01-26 Zack Weinberg <zackw@panix.com>
8533 * genconditions.c (write_header): In generated code, #ifdef out
8534 all includes and fake declarations, except includes of bconfig.h
8535 and system.h, unless GCC_VERSION >= 3001. Do not include
8536 gensupport.h in any case.
8537 (write_conditions): Generate a definition of struct c_test. Add
8538 a comment to the generated #endif.
8539 (write_one_condition): Escape backslashes in string too.
8540 (write_writer): Generated code must escape backslashes and quote
8541 marks (but not newlines) in the strings it writes.
8542 * Makefile.in (build/gencondmd.o): Update dependencies.
8544 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8547 * Makefile.in (insn-automata.o): Add header file dependencies.
8548 * genautomata.c: Add includes.
8550 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8553 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8555 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8557 * configure.ac: Expect target tools paths to be passed from the toplevel
8558 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8560 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8562 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8565 * c.opt (Wpointer-sign): Init to -1.
8566 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8567 OPT_pedantic, to 0 otherwise.
8568 * doc/invoke.texi: Update.
8570 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8572 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8573 constants provided by 80387 instructions in the destination mode.
8575 2006-01-26 Richard Guenther <rguenther@suse.de>
8576 Andrew Pinski <pinskia@physics.uc.edu>
8579 partial PR tree-opt/17064
8580 * tree-ssa-structalias.c (intra_create_variable_infos):
8581 Create heap variables for incoming parameters if
8582 flag_argument_noalias > 1.
8583 (find_what_p_points_to): Look through default defs of
8586 2006-01-26 Jeff Law <law@redhat.com>
8589 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8590 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8591 within the VR_RANGE, use the VR_RANGE as the result, not the
8593 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8594 bounds for the type.
8596 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8598 * tree-ssa-alias.c (maybe_create_global_var): Change
8599 subvar walking to an assertion that we don't have subvar'd variables.
8601 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8604 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8605 Use a new variable, inner. PARM_DECLs are always non-weak.
8607 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8609 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8612 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8614 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8616 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8618 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8619 (smax_insn, smin_insn, smax_0, smin_0): New.
8621 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8624 * config/cris/cris.c (cris_order_for_addsi3): New function.
8625 * config/cris/cris-protos.h: Prototype it.
8626 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8627 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8628 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8629 (split for "op.S1 [rx=rx+i],ry (swapped)")
8630 (split for "op(s|u).S1 [rx=rx+i],ry")
8631 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8632 Apply cris_order_for_addsi3 when generating addsi3 insns.
8634 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8636 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8637 (TREE_BLOCK): Add call to EXPR_CHECK.
8639 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8642 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8643 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8644 (dump_omp_clauses): ... here.
8645 (dump_generic_node): Handle OMP_CLAUSE.
8646 * tree.c (omp_clause_num_ops): New.
8647 (omp_clause_code_name): New.
8648 (tree_code_size): Handle OMP_CLAUSE.
8649 (tree_size): Likewise.
8650 (make_node): Document handling of OMP_CLAUSE.
8651 (tree_node_structure): Handle OMP_CLAUSE.
8652 (omp_clause_check_failed): New.
8653 (omp_clause_range_check_failed): New.
8654 (omp_clause_operand_check_failed): New.
8655 (build_omp_clause): New.
8656 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8657 * tree.h (enum omp_clause_code): Declare.
8658 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8659 (OMP_CLAUSE_RANGE_CHECK): Define.
8660 (OMP_CLAUSE_ELT_CHECK): Define.
8661 (omp_clause_check_failed): Declare.
8662 (omp_clause_operand_check_failed): Declare.
8663 (omp_clause_range_check_failed): Declare.
8664 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8665 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8666 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8667 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8668 (OMP_CLAUSE_IF_EXPR): Likewise.
8669 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8670 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8671 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8672 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8673 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8674 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8675 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8676 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8677 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8678 (OMP_CLAUSE_CODE): Define.
8679 (OMP_CLAUSE_SET_CODE): Define.
8680 (OMP_CLAUSE_CODE): Define.
8681 (OMP_CLAUSE_OPERAND): Define.
8682 (struct tree_omp_clause): Declare.
8683 (union tree_node): Add field 'omp_clause'.
8684 * treestruct.def (TS_OMP_CLAUSE): Define.
8685 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8686 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8687 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8688 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8689 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8690 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8691 (OMP_CLAUSE): Define.
8692 * print-tree.c (print_node): Handle OMP_CLAUSE.
8693 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8694 * c-typeck.c: Likewise.
8695 * gimplify.c: Likewise.
8696 * c-omp.c: Likewise.
8697 * tree-nested.c: Likewise.
8698 * tree-inline.c: Likewise.
8699 * c-parser.c: Likewise.
8700 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8703 2006-01-25 Roger Sayle <roger@eyesopen.com>
8705 PR rtl-optimization/25703
8706 * combine.c (try_combine): Handle zero_extract and strict_low_part
8707 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8709 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8711 * global.c: Fix comment typos.
8713 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8716 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8717 Use output_addr_const instead of assemble_name.
8719 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8721 * Makefile.in (sched-vis.o): Update dependencies.
8722 * haifa-sched.c (sched_finish): Clear current_sched_info.
8723 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8724 (dump_flow_info): Call it.
8725 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8727 * basic-block.h (dump_bb_info): Declare.
8728 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8729 option, and apply options only for dump files whose TDF_RTL,
8730 TDF_TREE, or TDF_IPA bits match.
8731 * rtl.h: Declare new functions exported from sched-vis.c.
8732 * sched-vis.c: Enable also if scheduling is not used.
8733 (print_value): Print the mode of registers if not inside scheduling.
8734 (print_insn): Make it work outside the scheduler. Beautify the output
8736 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8738 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8740 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8741 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8742 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8743 depending on the value of CONSTANT_POOL_ADDRESS_P.
8744 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8746 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8747 rather than SYMBOL_REF_DECL.
8748 (rtx_constant_pool): Remove const_rtx_sym_htab.
8749 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8750 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8751 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8752 Remove handling of const_rtx_sym_htab.
8753 (find_pool_constant): Delete.
8754 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8755 rather than find_pool_constant.
8756 (get_pool_constant_for_function): Delete.
8757 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8759 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8760 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8761 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8762 (SYMBOL_REF_CONSTANT): New macro.
8763 (get_pool_constant_for_function): Delete.
8764 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8765 rather than SYMBOL_REF_DECL.
8766 (i386_pe_mark_dllimport): Likewise.
8767 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8768 rather than SYMBOL_REF_DECL.
8769 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8770 (machopic_indirect_call_target): Likewise.
8772 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8774 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8776 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8778 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8780 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8782 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8784 2006-01-24 David Daney <ddaney@avtrex.com>
8787 * configure.ac (enable_tls): New enable option.
8788 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8789 * configure: Regenerate.
8790 * doc/install.texi (--enable-tls): Document new option.
8791 (--disable-tls): Ditto.
8793 2006-01-24 Richard Henderson <rth@redehat.com>
8795 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8796 * alias.c (true_dependence): Respect it.
8797 (canon_true_dependence, write_dependence_p): Likewise.
8798 * builtins.c (get_builtin_sync_mem): Set it.
8800 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8802 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8805 2006-01-24 DJ Delorie <dj@redhat.com>
8807 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8808 for storing constants in single-bit bitfields.
8810 2006-01-25 Ben Elliston <bje@au.ibm.com>
8812 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8814 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8817 * tree-ssa-pre.c (phi_translate): Return NULL
8818 for AGGREGATE_TYPE's.
8820 2006-01-24 Zack Weinberg <zackw@panix.com>
8822 * genautomata.c (process_state_for_insn_equiv_partition):
8823 Use xcalloc for insn_arcs_array.
8824 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8825 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8827 2006-01-24 Richard Henderson <rth@redhat.com>
8829 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8832 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8834 PR rtl-optimization/25890
8835 PR rtl-optimization/25905
8836 * combine.c (expand_compound_operation, expand_field_assignment):
8837 Fail if the bitfield's final position is out of bounds.
8839 2006-01-24 Ian Lance Taylor <ian@airs.com>
8842 * cgraphunit.c (cgraph_output_in_order): Don't clear
8843 cgraph_asm_nodes until after asm strings have been output.
8845 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8847 * fix-header.c (read_scan_file): Add new parameter imultilib when
8848 calling register_include_chains.
8850 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8852 * omp-low.c: Update documentation.
8854 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8855 Daniel Berlin <dberlin@dberlin.org>
8859 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8860 return from the function.
8862 2006-01-22 Zack Weinberg <zackw@panix.com>
8864 * rtl.def (match_code): Add second argument.
8865 * genpreds.c (write_extract_subexp): New function.
8866 (write_match_code): Add path argument. Use write_extract_subexp.
8867 (write_predicate_expr): Pass path to write_match_code.
8868 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8869 not perform a mode test.
8870 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8871 a subexpression does not constrain the top-level code set.
8872 * read-rtl.c (read_rtx_variadic): New function.
8873 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8874 * doc/md.texi: Document new notation.
8875 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8876 (cmpsi_operand): ... here, using new notation.
8878 2006-01-22 Zack Weinberg <zackw@panix.com>
8880 * varray.c: Remove GENERATOR_FILE #ifdefs.
8882 2006-01-22 Zack Weinberg <zackw@panix.com>
8884 * genautomata.c (output_reserved_units_table): Emit nothing if
8885 description->query_units_num is zero. Remove extra blank line.
8886 (output_cpu_unit_reservation_p): Short circuit
8887 if description->query_units_num is zero.
8889 2006-01-22 Zack Weinberg <zackw@panix.com>
8891 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8892 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8893 nor any of the random handful of variables that used to be necessary
8894 when this program was linked with rtlanal.o. Prune set of forward
8895 function declarations.
8896 (struct attr_desc): Remove static_p field.
8897 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8898 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8899 (attr_string): Do not read the character one past the length of
8901 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8902 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8903 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8904 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8905 (make_automaton_attrs): New.
8906 (main): Do not call into genautomata. Call local gen_bypass
8907 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8908 Remove special case for insn_alts.
8909 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8910 varray.h (leftover from previous change). Prune set of forward
8911 function declarations. Remove state_alts fields from all
8912 structures. Remove state_alts_table from struct automaton.
8913 Make everything except main static. Do not maintain num_dfa_decls.
8914 Do not maintain state_alts fields of various structures.
8915 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8916 (add_arc): Remove state_alts argument. All callers updated.
8917 (output_reserved_units_table): Emit #ifdef here...
8918 (output_tables): ...not here. Don't generate state_alts tables.
8919 (expand_automata): Don't generate attributes.
8920 (write_automata): Don't generate state_alts functions.
8921 (main): New function.
8922 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8923 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8924 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8925 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8926 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8927 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8928 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8929 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8931 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8932 * genattrtab.h: Delete file.
8933 * Makefile.in (OBJS-common): Add insn-automata.o.
8934 (insn-automata.o): New rule.
8935 (simple_generated_c): Add insn-automata.c.
8936 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8937 (genprogmd): Add automata.
8938 (build/genattrtab): Needs no extra objects nor libraries.
8939 (build/genautomata): Needs build/vec.o and -lm.
8941 2006-01-22 Zack Weinberg <zackw@panix.com>
8943 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8944 (output_dfa_max_issue_rate, locked_states_num): Delete.
8945 (struct automaton): Add locked_states field.
8946 (output_dead_lock_vect): Save number of locked states in
8947 automaton->locked_states. If it is zero, don't print anything.
8948 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8949 (output_internal_dead_lock_func): Only test the dead_lock_vect
8950 for automata that have locked states.
8951 (output_statistics): Always print the number of locked states for
8952 each automaton. Calculate total number of locked states here.
8953 (write_automata): Don't call output_dfa_max_issue_rate.
8954 * genattrtab.c: Define length_unit_log as a const variable.
8955 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8956 max_insn_queue_index const.
8957 * final.c (length_unit_log): Declare const.
8958 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8960 2006-01-22 Zack Weinberg <zackw@panix.com>
8962 * genautomata.c: Include vec.h, not varray.h.
8963 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8964 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8965 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8966 VEC_* macros operating on appropriately typed vectors, or to
8967 malloced arrays when the size is known in advance. Const-ify
8968 many char* variables and function arguments. No functional changes.
8969 * Makefile.in (build/varray.o): Delete rule.
8970 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8971 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8973 2006-01-22 Zack Weinberg <zackw@panix.com>
8975 * gensupport.c: Define get_insn_name and record_insn_name here.
8976 (read_md_rtx): Call record_insn_name as appropriate.
8977 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8978 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8979 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8981 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8982 (BUILD_VARRAY): Delete.
8983 (genprognormal): Rename genprogmd. Fold in all programs from
8984 genprognoprint; also attrtab.
8985 (build/genattrtab): Just mention genautomata.o and varray.o.
8986 Reorganize a bit, add comments to make the categories clearer.
8988 2006-01-22 Zack Weinberg <zackw@panix.com>
8990 * genconditions.c (condition_table, add_condition): Delete.
8991 (write_conditions): Don't emit n_insn_conditions nor
8992 insn_elision_unavailable. Issue the gcc version #ifdef here,
8993 inside the table, with no #else clause ...
8994 (write_header): ...not here.
8995 (write_writer): New function.
8996 (main): Don't initialize condition_table. Use add_c_test.
8998 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8999 files on the command line.
9000 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9001 Return -1 if there is no entry in the table, don't abort.
9002 (add_c_test, traverse_c_tests): New functions.
9003 * gensupport.h (insn_elision_unavailable, insn_conditions)
9004 (n_insn_conditions): Delete declarations.
9005 (add_c_test, traverse_c_tests): Declare.
9006 * read-rtl.c: Include gensupport.h.
9007 (read_conditions): New function.
9008 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9009 (read_rtx_1): If we get EOF when we were looking for an initial
9010 open paren, return 0. Call read_conditions when appropriate.
9011 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9012 dummy-conditions.o. Eliminate references to insn-conditions.o,
9013 or change them to build/gencondmd.o, as appropriate. Remove
9014 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9015 from $(simple_generated_c). For all files remaining in those
9016 two lists, add insn-conditions.md to the generator command line.
9017 Give insn-constants.h/s-constants their own rules. Add rules
9018 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9019 (build/read-rtl.o): Depend on gensupport.h.
9020 (genprognormal): Include preds.
9021 (genprogearly): Rename genprognoprint; only difference is now that
9022 they don't link with $(BUILD_PRINT).
9023 * dummy-conditions.c: Delete.
9025 2006-01-22 Zack Weinberg <zackw@panix.com>
9027 * genextract.c: Don't include insn-config.h. Do include vec.h.
9028 Declare vectors of int, char, and locstr.
9029 (locstr): New typedef.
9030 (struct extraction): Make all array fields into bare pointers.
9031 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9032 (insn_code_number): Delete.
9033 (accum_extract): New struct.
9034 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9035 (gen_insn): Take insn_code_number as an argument. Use an
9036 accum_extract structure instead of loading data directly into
9037 a struct extraction, and having to know how big it might get.
9038 (walk_rtx): Operate entirely on an accum_extract structure.
9039 (print_path): Avoid unnecessary use of printf.
9040 (print_header): New function, split out of main. Distinguish
9041 more carefully between an unrecognizable insn and an insn that
9042 has the code number of a define_expand.
9043 (main): Pass insn_code_number to gen_insn. Call print_header
9044 only after parsing. Avoid unnecessary use of printf.
9045 * Makefile.in (build/vec.o): New rule.
9046 (build/genextract): Depend on build/vec.o.
9047 (build/genextract.o): Don't depend on insn-config.h.
9049 2006-01-22 Zack Weinberg <zackw@panix.com>
9051 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9052 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9053 practical. Eliminate per-generator-program link rules.
9055 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9058 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9059 with a call expr to ...
9060 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9062 2006-01-23 Richard Guenther <rguenther@suse.de>
9064 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9065 before make_edge with conditional EDGE_TRUE_VALUE.
9067 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9068 Jan Hubicka <jh@suse.cz>
9069 Richard Guenther <rguenther@suse.de>
9071 PR rtl-optimization/25654
9072 * cfgexpand.c (aggregate_contains_union_type): New function.
9073 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9074 for structure variables that contain a union type.
9076 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9078 * gengtype.c (new_structure): Return the structure.
9079 (create_option): Add an extra "next" argument.
9080 (create_field): New function.
9081 (adjust_field_rtx_def): Use create_option and create_field.
9082 Remove a now-unnecessary call to find_structure.
9083 (adjust_field_tree_def): Likewise.
9084 (note_yacc_type): Remove an unnecessary call to find_structure.
9085 * gengtype.h (new_structure): Return the structure.
9086 (create_option): Add an extra argument.
9087 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9088 (option): Adjust calls to create_option.
9090 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9092 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9094 2006-01-22 Paul Brook <paul@codesourcery.com>
9095 Peter Barada <peter@the-baradas.com>
9097 * config/m68k/m68k.md: Add Coldfire FPU support.
9098 Define FP mode macro and associated attributes.
9099 Use it for float mode patterns.
9100 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9101 (LIBCALL_VALUE): Use m68k_libcall_value.
9102 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9103 (m68k_function_value): Ditto.
9104 (emit_move_sequence): Ditto.
9105 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9106 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9107 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9108 (MULTILIB_EXCEPTIONS): Ditto.
9109 * config/m68k/m68k.opt: Add mcfv4e.
9110 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9111 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9112 (m68k_output_function_prologue): Save ColdFire FPU registers.
9113 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9114 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9115 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9116 ColdFire FPU registers.
9117 (m68k_libcall_value, m68k_function_value): New functions.
9118 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9119 (LIBCALL_VALUE): Use m68k_libcall_value.
9120 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9121 (MASK_COLDFIRE): Add MASK_CFV4E.
9122 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9123 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9124 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9125 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9126 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9127 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9128 * doc/invoke.tex: Document -mcfv4e on m68k.
9130 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9132 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9135 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9138 * c-opts.c (c_common_handle_option): Don't include
9139 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9140 * doc/invoke.texi (C++ Dialect Options): Document that
9141 -Wnon-virtual-dtor is no longer included in -Wall.
9143 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9145 * gcov.c (print_version), gcov-dump.c (print_version),
9146 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9149 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9151 * df-scan.c (problem_SCAN): Added NULL reset function.
9152 (df_scan_reset_blocks): Added code to call reset block function
9153 (df_bb_refs_delete) Fixed comment.
9154 (df_insn_refs_delete): Made tolerant of deleting non existent info
9155 for dataflow problems that need to be reset.
9156 * df-core.c (df_set_blocks): Ditto.
9157 * df.h (struct df_problem): Added reset_fun.
9158 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9159 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9160 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9161 functions to clear out all references to def-use or use-def chains.
9163 2006-01-21 Ben Elliston <bje@au.ibm.com>
9165 * varasm.c (assemble_real): Initialise data array.
9167 2006-01-20 Paul Brook <paul@codesourcery.com>
9169 Merge from csl-arm-branch.
9170 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9171 * config/arm/arm.md (movdi): Force operands[1] to a register
9172 if we have a non-register source.
9173 (*arm_movdi, *movdf_soft_insn): Require that one of the
9174 operands be a register.
9175 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9176 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9178 2006-01-20 DJ Delorie <dj@redhat.com>
9180 * varasm.c (initialize_constant_valid_p): Allow pointers
9181 initialized from integer constants of lesser precision.
9182 (output_constant): Allow non-int-sized pointer modes to be
9183 initialized from integer constants.
9185 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9188 * cppdefault.h (struct default_include): Add multilib flag.
9189 * cppdefault.c (cpp_include_defaults): Set it.
9190 * c.opt (-imultilib): New option.
9191 * c-opts.c (imultilib): New.
9192 (c_common_handle_option): Handle -imultilib.
9193 (c_common_post_options): Likewise.
9194 * c-incpath.c (add_standard_paths, register_include_chains):
9196 * c-incpath.h (register_include_chains): Add extra parameter.
9197 * gcc.c (do_spec_1): Generate -imultilib option.
9198 (The Specs Language): Update %I description.
9199 (process_command): Update copyright notice.
9200 * doc/cppopts.texi (-imultilib): Document.
9201 * doc/invoke.texi (-imultilib): Include in option summary.
9202 (%I): Update specs documentation.
9204 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9206 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9208 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9210 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9213 2006-01-20 Richard Guenther <rguenther@suse.de>
9214 Steven Bosscher <stevenb.gcc@gmail.com>
9216 PR rtl-optimization/24626
9217 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9218 EDGE_TRUE_VALUE if in RTL mode.
9221 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9222 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9224 2006-01-20 Dirk Mueller <dmueller@suse.com>
9227 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9228 instead of a special NOP marker.
9229 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9230 NOP marker handling.
9231 * c-common.h (empty_body_warning): Add forward declaration.
9232 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9233 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9235 2006-01-20 Paul Brook <paul@codesourcery.com>
9237 * Makefile.in (lang_checks): Keep going if mkdir fails.
9239 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9241 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9242 be able to clean out basic block when not necessary.
9243 (df_scan_free): Fixed to properly delete information if df is
9244 unused before calling df_finish.
9245 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9246 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9248 (df_bb_refs_delete): New function.
9249 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9250 * df-core.c (df_set_blocks): Added code to properly clean out
9251 unused blocks if they are not part of the blocks to consider.
9252 Added additional null check.
9253 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9254 be able to clean out basic block when not necessary
9255 * df.h (df_free_bb_function): Ditto.
9256 (df_bb_refs_delete): New function.
9257 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9258 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9259 basic block parameter to be able to clean out basic block when not
9261 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9262 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9263 Fixed to properly delete information if df is unused before
9266 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9268 PR rtl-optimization/25799
9269 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9270 Corrected confluence operator to remove bits from op2 before oring
9271 with op1 rather than removing bits from op1.
9272 (df_ru_transfer_function): Corrected test on wrong bitmap which
9273 caused infinite loop. Both of these problems were introduced in
9274 the dataflow rewrite.
9276 2006-01-19 DJ Delorie <dj@redhat.com>
9278 * reload1.c (find_reload_regs): Note the details of reload
9279 failures in the dump file.
9280 (spill_failure): Likewise.
9282 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9284 * loop-iv.c: Include df.h and hashtab.h.
9285 (enum iv_grd_result): New enum.
9286 (DF_REF_IV, DF_REF_IV_SET): New macros.
9287 (struct biv_entry): New.
9288 (df, bivs): New global variables.
9289 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9290 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9292 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9293 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9294 analyzed_for_bivness_p, record_biv): New functions.
9295 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9296 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9297 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9299 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9301 (iv_number_of_iterations): Use new interface to iv analysis.
9302 * loop-unroll.c: Do not include varray.h.
9303 (analyze_iv_to_split_insn): Use new interface to iv
9305 * loop-unswitch.c (may_unswitch_on): Ditto.
9306 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9308 (df_bb_modify): Realloc tables to the new index.
9309 (df_find_use): New function.
9310 * df.h (df_find_use): Declare.
9311 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9313 * cfgloop.h (struct rtx_iv): Remove analysed field.
9314 (iv_get_reaching_def): Removed.
9315 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9316 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9317 (loop-iv.o): Add df.h and hashtab.h dependency.
9318 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9320 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9323 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9325 (__floatundisf, __floatundidf): Likewise.
9326 * libgcc2.h (IS_IBM_EXTENDED): Define.
9328 2006-01-19 DJ Delorie <dj@redhat.com>
9330 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9332 2006-01-19 Paul Brook <paul@codesourcery.com>
9334 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9335 as nothrow when unwinding tables are disabled.
9337 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9340 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9341 of bit-field" when in system header.
9343 2006-01-19 DJ Delorie <dj@redhat.com>
9345 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9346 the 16 bit shift limit of the m16c.
9348 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9351 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9352 * config/i386/i386.c (output_set_got): Output the label if we have one
9353 for the TARGET_DEEP_BRANCH_PREDICTION case.
9355 2006-01-19 Jan Hubicka <jh@suse.cz>
9356 H.J. Lu <hongjiu.lu@intel.com>
9357 Evandro Menezes <evandro.menezes@amd.com>
9359 * invoke.texi (generic): Document
9361 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9362 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9363 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9364 (x86_use_incdec, x86_pad_returns): New variables
9365 (TARGET_CPU_DEFAULT_generic): New constant
9366 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9367 (enum processor_type): Add generic32 and generic64.
9368 * i386.md (cpu attribute): Add generic32/generic64
9369 (movhi splitter): Behave sanely when both partial_reg_dependency and
9370 partial_reg_stall are set.
9371 (K8 splitters): Enable for generic as well.
9372 * predicates.md (incdec_operand): Use TARGET_INCDEC
9373 (aligned_operand): Avoid memory mismatch stalls.
9374 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9375 * ppro.md: Enable for generic32
9376 * i386.c (generic64_cost, generic32_cost): New.
9377 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9378 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9379 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9380 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9381 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9382 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9383 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9384 x86_accumulate_outgoing_args, x86_prologue_using_move,
9385 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9386 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9388 (x86_use_incdec, x86_pad_returns): New.
9389 (override_options): Add generic32 and generic64, translate "generic"
9390 to generic32/generic64 and "i686" to "generic32", refuse
9391 "generic32"/"generic64" as arch target.
9392 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9393 (ix86_reorg): Honor PAD_RETURNS.
9395 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9397 * tree-pretty-print.c (dump_generic_node): Handle
9398 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9399 * cgraph.c (cgraph_expand_queue): Rename from
9400 cgraph_analyze_queue. Update all users.
9401 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9402 cgraph_expand_queue.
9403 (cgraph_expand_all_functions): Likewise.
9404 (cgraph_finalize_pending_functions): Remove. Update callers.
9406 * tree.h (OMP_DIRECTIVE_P): Define.
9407 (OMP_PARALLEL_FN): Define.
9408 (OMP_PARALLEL_DATA_ARG): Define.
9409 (OMP_SECTIONS_SECTIONS): Define.
9410 * tree-pass.h (pass_expand_omp): Declare.
9411 * omp-low.c (struct omp_region): Declare.
9412 (struct omp_context): Remove fields 'parallel_type',
9413 'parallel_start_ix' and 'parallel_start_additional_args'.
9415 (struct omp_for_data): Rename from struct expand_omp_for_data.
9416 (omp_regions): New static variable.
9417 (root_omp_region): New static variable.
9418 (find_omp_clause): Make static.
9419 (is_in_combined_parallel_ctx): Remove.
9420 (is_combined_parallel): New.
9421 (extract_omp_for_data): Move earlier in the file.
9422 (workshare_safe_to_combine_p): New.
9423 (get_ws_args_for): New.
9424 (determine_parallel_type): Move earlier in the file.
9425 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9427 (omp_copy_decl): Likewise.
9428 (create_omp_child_function): Likewise.
9429 (lookup_omp_region): New.
9430 (dump_omp_region): New.
9431 (debug_omp_region): New.
9432 (debug_all_omp_regions): New.
9433 (new_omp_region): New.
9434 (scan_omp_parallel): If parallel_nesting_level > 1, the
9435 directive is nested within another parallel directive.
9436 Set OMP_PARALLEL_FN.
9437 (scan_omp_for): Do not try to handle combined parallel+for
9439 Remove FIXME comment.
9440 (scan_omp_nested): Remove.
9441 (scan_omp_1): Do not call scan_omp_nested when
9442 parallel_nesting_level is > 1.
9443 Do not change the DECL_CONTEXT of local variables found.
9444 (lookup_decl_in_outer_ctx): New.
9445 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9446 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9447 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9448 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9449 If CTX is nested, lookup VAR in the outer context when
9450 building copy assignment.
9451 (lower_send_clauses): Rename from expand_send_clauses.
9452 If CTX is nested, lookup VAR in the outer context when
9453 building copy assignments.
9454 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9455 If CTX is nested, lookup VAR in the outer context when
9456 building copy assignments.
9457 (expand_parallel_call): Rename from build_parallel_call.
9458 Handle combined parallel+workshare cases.
9459 Re-implement to emit code into the CFG.
9461 (expand_omp_parallel): Re-implement to emit code into the CFG.
9462 Call move_sese_region_to_fn to outline the sub-graph
9463 containing the parallel region.
9464 (expand_omp_for_1): Remove.
9465 (expand_omp_for_generic): Re-implement to emit code into the
9467 (expand_omp_for_static_nochunk): Likewise.
9468 (expand_omp_for_static_chunk): Likewise.
9469 (expand_omp_for): Likewise.
9470 (expand_omp_sections): Likewise.
9471 (remove_exit_barriers): New.
9472 (expand_omp_synch): New.
9474 (build_omp_regions_1): New.
9475 (build_omp_regions): New.
9476 (execute_expand_omp): New.
9477 (gate_expand_omp): New.
9478 (pass_expand_omp): Define.
9479 (lower_omp_sections): Rename from expand_omp_sections.
9480 Set OMP_SECTIONS_SECTIONS.
9481 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9482 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9483 (lower_omp_single): Rename from expand_omp_simple.
9484 (lower_omp_master): Rename from expand_omp_master.
9485 (lower_omp_ordered): Rename from expand_omp_ordered.
9486 (lower_omp_critical): Rename from expand_omp_critical.
9487 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9488 (lower_omp_for): Re-implement.
9489 (lower_omp_parallel): Re-implement.
9490 (lower_regimplify): Rename from expand_regimplify.
9491 (lower_omp_1): Rename from expand_omp_1.
9492 If there are syntax errors in the program, replace every
9493 OpenMP directive with NOP.
9494 Call lower_omp_* instead of expand_omp_*.
9495 (lower_omp): Rename from expand_omp.
9497 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9498 * tree-gimple.h (enum omp_parallel_type): Remove.
9499 (gimple_boolify): Declare extern.
9500 (find_omp_clause, determine_parallel_type): Remove.
9502 * gimple-low.c (lower_omp_directive): New.
9503 (lower_stmt): Call it.
9504 (record_vars_into): Move from ...
9505 (record_vars): ... here.
9506 Call record_vars_into with current_function_decl.
9508 * gimplify.c (struct gimplify_ctx): Remove fields
9509 combined_pre_p and combined_ctxp. Update users.
9510 (get_formal_tmp_var): Add documentation.
9511 (gimple_boolify): Make extern.
9512 (gimplify_expr_in_ctx): Remove. Update callers.
9513 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9514 will always be a BIND_EXPR.
9515 (gimplify_expr): Handle OMP_RETURN_EXPR.
9516 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9517 (OMP_PARALLEL): Add 3 operands.
9518 (OMP_SECTIONS): Add 1 operand.
9519 (OMP_RETURN_EXPR): Define.
9521 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9522 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9523 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9524 creating a circular free list.
9525 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9527 * tree-flow.h (move_sese_region_to_fn): Declare.
9528 (record_vars_into): Declare.
9529 * tree-cfg.c (make_omp_sections_edges): New.
9530 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9531 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9532 OMP_SECTIONS and OMP_SECTION.
9533 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9534 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9535 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9536 (gather_blocks_in_sese_region): New.
9537 (struct move_stmt_d): Declare.
9539 (move_block_to_fn): New.
9540 (move_sese_region_to_fn): New.
9542 * passes.c (init_optimization_passes): Schedule
9543 pass_expand_omp after pass_init_datastructures.
9545 * tree-ssa-operands.c (get_expr_operands): Handle
9546 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9547 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9549 2006-01-19 Jeff Law <law@redhat.com>
9551 * tree-vrp.c (extract_range_from_assert): Refine the result range
9552 if the variable referenced by the ASSERT_EXPR has a range and
9553 either the tentative result range or the previous range is a
9556 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9558 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9560 2006-01-19 Jan Hubicka <jh@suse.cz>
9562 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9564 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9566 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9567 (expand_compound_operation, expand_field_assignment): Fail if the
9568 bit lengths of an extract operation are out of range.
9569 (make_extraction): Compute wanted_inner_mode based on the position
9570 and length of the extraction. Make it extraction_mode for non-constant
9571 positions, and do not modify offset in that case. When generating a
9572 new MEM, use a mode that can hold the extraction while keeping correct
9573 alignment. Remove code that supported MEMs wrapped by USEs.
9574 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9576 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9578 * config/s390/s390.md ("Y", "y"): New mode attribute.
9579 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9580 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9581 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9582 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9583 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9584 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9585 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9586 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9587 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9588 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9589 "addsi3", "subsi3"): Insn patterns removed.
9590 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9591 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9592 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9593 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9594 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9595 "*sub<mode>3_cconly2"): New insn patterns.
9596 ("addsi3", "subsi3"): New expanders.
9598 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9600 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9601 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9602 existing STMT_VINFO_VECTYPE if available.
9603 (vect_mark_relevant): Add special handling for stmts that are
9604 marked as STMT_VINFO_IN_PATTERN_P.
9605 (vect_analyze_loop): Call vect_pattern_recog.
9606 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9607 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9609 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9610 (vect_recog_func_ptr): New function-pointer type.
9611 * tree-vect-patterns.c: New file.
9612 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9613 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9614 (vect_pattern_recog_1): New functions.
9615 (vect_pattern_recog_funcs): New array of function pointers.
9617 * tree-vectorizer.h (ternary_op): New enum value.
9618 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9619 declaration. Revised documentation. Removed redundant dump prints.
9620 Removed redundant argument. Added support for reduction patterns.
9621 (vectorizable_reduction): Added support for reduction patterns.
9622 (vect_transform_stmt): Added support for patterns.
9624 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9625 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9626 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9627 (expand_widen_pattern_expr): New function.
9628 (init_optabs): Initialize new optabs udot_prod_optab,
9630 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9631 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9632 (expand_widen_pattern_expr): New function declaration.
9633 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9635 * tree-inline.c (estimate_num_insns_1): Added cases for new
9636 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9637 * tree-pretty-print.c (dump_generic_node): Likewise.
9638 (op_prio): Likewise.
9639 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9640 * tree-ssa-operands.c (get_expr_operands): Added case for
9642 * tree-vect-patterns.c (widened_name_p): New function.
9643 (vect_recog_dot_prod_pattern): Added function implementation.
9644 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9645 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9646 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9647 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9649 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9650 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9651 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9652 (init_optabs): Initialize new optabs widen_ssum_optab,
9654 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9655 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9656 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9657 use instead of type of def.
9658 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9659 function implementation.
9660 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9661 widen_ssumv8hi): New.
9663 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9666 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9669 * c-decl.c (add_flexible_array_elts_to_size): New function.
9670 (finish_decl): Use it.
9672 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9674 * diagnostic.h: Include options.h.
9675 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9676 dependancies for diagnostic.h.
9677 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9679 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9681 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9682 (ssa_ro_call_cache_valid): Ditto.
9683 * tree-ssa-alias.c (sort_tags_by_id): New function.
9684 (init_transitive_clobber_worklist): Ditto.
9685 (add_to_worklist): Ditto.
9686 (mark_aliases_call_clobbered): Ditto.
9687 (compute_tag_properties): Ditto.
9688 (set_initial_properties): Ditto.
9689 (compute_call_clobbered): Ditto.
9690 (compute_may_aliases): Call compute_call_clobbered and grouping.
9691 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9692 (compute_flow_insensitive_aliasing): Grouping now happens in our
9694 (setup_pointers_and_addressables): Remove clobbering related code.
9695 (add_may_alias): Ditto.
9696 (replace_may_alias): Ditto.
9697 (get_nmt_for): Ditto.
9698 (create_global_var):
9699 (is_escape_site): Return an escape_type enumeration.
9700 * tree-flow-inline.h (is_call_clobbered): Global var does not
9701 imply call clobbered.
9702 (mark_call_clobbered): Take a reason for marking this. Remove
9703 marking of globalness, and cache invalidation.
9704 (clear_call_clobbered): Remove cache invalidation code.
9705 * tree-dfa.c (dump_variable): If details is on, dump the reason
9707 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9709 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9710 (struct var_ann_d): Ditto.
9711 (enum escape_type): New.
9712 (mark_call_clobbered): Adjust prototype.
9713 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9714 are never call clobbered.
9715 Record reasons for escaping.
9716 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9717 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9718 (ssa_ro_call_cache_valid): Ditto.
9719 (clobbered_v_may_defs): Ditto.
9720 (clobbered_vuses): Ditto.
9721 (ro_call_vuses): Ditto.
9722 (clobber_stats): New.
9723 (init_ssa_operands): Zero out clobber stats.
9724 (fini_ssa_operands): Print out clobber stats.
9725 (get_call_expr_operands): Pass callee fndecl to
9727 (add_call_clobber_ops): Remove use of cache.
9728 Add use of PURE_CONST information.
9729 (add_call_read_ops): Remove use of cache.
9730 Add use of static not_read information.
9732 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9734 Introduce TLS descriptors for i386 and x86_64.
9735 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9736 (TARGET_ANY_GNU_TLS): New macro.
9737 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9738 (struct machine_function): Add tls_descriptor_call_expanded_p.
9739 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9740 (ix86_current_function_calls_tls_descriptor): Likewise.
9741 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9742 (override_options): Introduce gnu2 tls dialect.
9743 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9745 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9747 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9748 (ix86_init_machine_status): Initialize new field.
9749 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9750 (ix86_tls_module_base): New.
9751 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9752 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9753 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9754 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9755 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9756 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9757 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9758 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9759 * config/i386/predicates.md (tls_modbase_operand): New.
9760 (tp_or_register_operand): New.
9762 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9764 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9765 (look_for_address_of): Ditto.
9766 (ipa_init): Walk the function decls.
9767 (static_execute): Don't set readonly on FUNCTION_DECL's.
9769 2006-01-18 Roger Sayle <roger@eyesopen.com>
9771 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9772 for shifts where the source and destination registers are different.
9774 2006-01-18 Paul Brook <paul@codesourcery.com>
9776 Merge from csl-arm-branch.
9777 2005-03-14 Julian Brown <julian@codesourcery.com>
9778 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9779 (aeabi_llsl): Likewise.
9780 (ashrdi3): Likewise.
9781 (aeabi_lasr): Likewise.
9782 (lshrdi3): Likewise.
9783 (aeabi_llsr): Likewise.
9784 2005-03-10 Julian Brown <julian@codesourcery.com>
9785 * config.gcc: Disable shared libgcc for SymbianOS.
9786 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9788 2006-01-18 DJ Delorie <dj@redhat.com>
9790 * c-pragma.c (handle_pragma_diagnostic): New.
9791 (init_pragma): Register it.
9792 * doc/extend.texi: Document it.
9794 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9795 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9796 (diagnostic_context): Add classify_diagnostic[].
9797 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9798 as errors if they're overridden to DK_WARNING.
9799 (diagnostic_initialize): Initialize classify_diagnostic[].
9800 (diagnostic_set_kind_override): New.
9801 (diagnostic_report_diagnostic): Check for kind changes.
9802 * opts.c (common_handle_option): Take lang_mask. Update callers.
9804 * common.opt (Werror=): New.
9805 * doc/invoke.texi: Document -Werror=*
9807 2006-01-18 Jeff Law <law@redhat.com>
9809 * tree-vrp.c (test_for_singularity): Correct test for new
9810 min limit. Use operand_equal_p rather than pointer equality
9811 for testing if new min/max values are equal.
9813 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9814 using range information until after propagation and folding.
9816 2006-01-18 Richard Henderson <rth@redhat.com>
9817 Aldy Hernandez <aldyh@redhat.com>
9818 Jakub Jelinek <jakub@redhat.com>
9819 Diego Novillo <dnovillo@redhat.com>
9821 * omp-low.c: New file.
9822 * c-omp.c: New file.
9824 2006-01-18 Richard Henderson <rth@redhat.com>
9825 Jakub Jelinek <jakub@redhat.com>
9826 Diego Novillo <dnovillo@redhat.com>
9828 * doc/invoke.texi: Document -fopenmp.
9829 * tree-dump.h (debug_function): Declare.
9830 * hooks.c (hook_bool_tree_bool_false): New function.
9831 (hook_tree_tree_null): Remove.
9832 (hook_tree_tree_tree_null): New.
9833 * hooks.h: Update to match.
9834 * tree-pretty-print.c (debug_tree_chain): New.
9835 (print_generic_expr): Handle TDF_CHAIN.
9836 (dump_generic_node): Handle BLOCK.
9837 Do not abort with incomplete SWITCH_EXPRs.
9838 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9839 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9840 print space after directive name.
9841 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9842 Handle OMP_MASTER and OMP_ORDERED.
9843 Handle printing of OMP_BODY just in one place, goto
9844 dump_omp_body in the rest of OMP_* nodes that have
9846 Don't handle clause nodes here. Update omp statements to
9847 use dump_omp_clauses.
9848 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9849 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9850 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9851 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9852 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9853 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9854 Adjust output for GOMP_PARALLEL.
9855 (dump_omp_clauses): New.
9856 (print_declaration): Dump DECL_VALUE_EXPR.
9857 (op_symbol_1): Split out of op_symbol.
9858 (dumping_stmts): Remove. Update all users.
9859 * cgraph.c (cgraph_analyze_queue): New.
9860 (cgraph_add_new_function): New.
9861 * cgraph.h (cgraph_analyze_queue): Declare.
9862 (cgraph_add_new_function): Declare.
9863 (cgraph_lower_function): Remove.
9864 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9865 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9866 and TYPE_P nodes in its default clause.
9867 (empty_body_p): New.
9868 (tree_range_check_failed): New.
9870 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9871 OMP_CLAUSE_REDUCTION_MERGE,
9872 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9873 OMP_CLAUSE_PRIVATE_DEBUG,
9874 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9875 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9876 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9877 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9878 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9879 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9880 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9881 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9882 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9883 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9884 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9885 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9886 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9887 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9888 (TREE_RANGE_CHECK): New.
9889 (empty_body_p): Declare.
9890 (enum omp_clause_default_kind): New.
9891 (build_string_literal): Declare.
9892 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9893 (build5_stat, build5): Declare.
9894 * tree-pass.h (TDF_CHAIN): Define.
9895 * tree-pass.h (PROP_gimple_lomp): Define.
9896 (pass_lower_omp): Declare.
9897 * diagnostic.h (debug_tree_chain): Declare.
9898 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9900 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9901 * builtins.c (build_string_literal): Make extern.
9902 * gcc.c (include_spec_function): New.
9903 (static_spec_functions): Add it.
9904 (main): Move load of libgomp.spec ...
9905 (LINK_COMMAND_SPEC): ... here.
9906 (link_gomp_spec): New.
9907 (static_specs): Include it.
9908 (LINK_COMMAND_SPEC): Add link_gomp.
9909 (GOMP_SELF_SPECS): New.
9910 (driver_self_specs): Include it.
9911 (switch_matches): Don't mark inline.
9912 (main): Load libgomp.spec.
9913 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9914 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9915 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9916 * tree-gimple.h (enum omp_parallel): Declare.
9917 (determine_parallel_type): Declare.
9918 (omp_firstprivatize_variable): Declare.
9919 (omp_reduction_init): Declare.
9920 (diagnose_omp_structured_block_errors): Declare.
9921 (struct walk_stmt_info): Add want_return_expr.
9922 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9923 (find_omp_clause): Declare.
9924 (insert_field_into_struct): Declare.
9925 (struct walk_stmt_info): Move from tree-nested.c
9926 (walk_stmts): Declare.
9927 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9929 * cgraphunit.c (cgraph_lower_function): Make static.
9930 (cgraph_finalize_pending_functions): New.
9931 (cgraph_finalize_function): Call it.
9932 (cgraph_finalize_compilation_unit): Likewise.
9933 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9934 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9935 (BT_FN_UINT_UINT): New.
9936 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9937 DEF_FUNCTION_TYPE_VAR_4): Document.
9938 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9939 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9940 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9941 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9942 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9943 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9944 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9945 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9946 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9947 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9948 into separate files.
9949 (DEF_GOMP_BUILTIN): New.
9950 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9951 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9952 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9953 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9954 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9955 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9956 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9957 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9958 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9959 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9960 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9961 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9962 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9963 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9964 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9965 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9966 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9967 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9968 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9969 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9970 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9971 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9972 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9973 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9974 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9975 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9976 * sync-builtins.def: New file, moved from builtins.def.
9977 * omp-builtins.def: New file, moved from builtins.def.
9978 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9979 * gimple-low.c (lower_function_body): Clear data.
9980 (lower_stmt): Do not handle COMPOUND_EXPR.
9981 Remove call to print_node_brief.
9982 * c-tree.h (c_finish_omp_clauses): New prototype.
9983 (C_DECL_THREADPRIVATE_P): Define.
9984 (lookup_name_no_remap, c_omp_remap_private): Remove
9985 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9986 (check_for_loop_decls): Update decl.
9987 (lookup_name_no_remap, c_omp_remap_private): Declare.
9988 (build_indirect_ref, build_modify_expr, pushdecl,
9989 pushdecl_top_level): Move to c-common.h.
9990 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9991 before the switch, but just in the 2 places that need it.
9992 * c-decl.c (diagnose_mismatched_decls): Do not check for
9993 mismatched thread-local attributes when OLDDECL is marked
9994 threadprivate and NEWDECL has no thread-local attributes.
9995 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9996 (c_gimple_diagnostics_recursively): Rename from
9997 c_warn_unused_result_recursively. Invoke
9998 diagnose_omp_structured_block_errors.
9999 (check_for_loop_decls): Return a singular decl found.
10000 * langhooks.c (lhd_omp_predetermined_sharing): Return
10001 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10002 (lhd_omp_firstprivatize_type_sizes): New.
10003 (lhd_omp_assignment): New.
10004 (lhd_omp_predetermined_sharing): New.
10005 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10006 (struct lang_hooks_for_types): Add
10007 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10008 omp_predetermined_sharing, omp_disregard_value_expr,
10009 omp_private_debug_clause, omp_clause_default_ctor,
10010 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10011 (c_finish_omp_clauses): New.
10012 (c_finish_bc_stmt): Diagnose break within omp for.
10013 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10014 (build_unary_op): Return error_mark after reporting
10016 (build_modify_expr): Likewise.
10017 * gimplify.c: Include optabs.h and pointer-set.h.
10018 (enum gimplify_omp_var_data): Declare.
10019 (struct gimplify_omp_ctx): Declare.
10020 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10022 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10023 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10024 (splay_tree_compare_decl_uid): New.
10025 (new_omp_context): New.
10026 (delete_omp_context): New.
10027 (gimple_add_tmp_var): Call omp_add_variable.
10028 (gimplify_bind_expr): Likewise.
10029 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10030 true, disregard DECL_VALUE_EXPR on the decl if any.
10031 (gimplify_expr_in_ctx): New.
10032 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10033 omp_add_variable, omp_notice_variable, omp_is_private
10034 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10035 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10036 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10037 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10038 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10039 gimplify_omp_atomic): New.
10040 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10041 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10042 OMP_CRITICAL and OMP_ATOMIC.
10043 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10044 * c-pragma.h (enum pragma_kind): Add
10045 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10046 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10047 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10048 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10049 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10050 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10051 PRAGMA_OMP_THREADPRIVATE.
10052 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10053 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10054 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10055 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10056 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10057 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10058 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10059 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10060 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10061 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10062 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10063 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10064 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10066 (struct nesting_info): Add field_map,
10067 suppress_expansion, debug_var_chain.
10068 (create_nesting_tree): Initialize them.
10069 (lookup_field_for_decl): Use field_map.
10070 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10071 (convert_local_omp_clauses): New.
10072 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10073 (walk_body): Split out of walk_function.
10074 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10075 (convert_nonlocal_reference): Handle omp statements.
10076 (convert_local_reference): Likewise.
10077 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10078 (unnest_nesting_tree): New.
10079 (lower_nested_functions): Call it.
10080 (insert_field_into_struct): Make extern.
10081 (struct walk_stmt_info): Move to tree-gimple.h.
10082 (walk_stmts): Make extern.
10083 * omp-builtins.def: New file.
10084 * tree-iterator.c (expr_only): Clarify comment.
10085 * c-common.h (pushdecl_top_level, pushdecl,
10086 build_modify_expr, build_indirect_ref,
10087 c_finish_omp_master, c_finish_omp_critical,
10088 c_finish_omp_ordered, c_finish_omp_barrier,
10089 c_finish_omp_atomic, c_finish_omp_flush,
10090 c_finish_omp_for, c_split_parallel_clauses,
10091 omp_clause_default_kind, c_omp_sharing_predetermined,
10092 c_omp_remap_decl): Declare.
10093 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10094 (OBJS-common): Add omp-low.o.
10095 (c-omp.o, omp-low.o): Add.
10096 (gimplify.o): Add dependency on $(OPTABS_H).
10097 (GTFILES): Add omp-low.c.
10098 (gt-stringpool.h): Add.
10099 * tree-cfg.c (set_bb_for_stmt): Do not update the
10100 block-to-labels map if we are currently expanding to RTL.
10101 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10103 Handle IDENTIFIER_NODE.
10104 (tree_verify_flow_info): Do not ICE when emitting error
10105 messages about invalid labels.
10106 (dump_function_to_file): Reset CFUN before emitting the body
10108 (debug_function): New.
10109 * passes.c (init_optimization_passes): Schedule
10111 * langhooks-def.h (lhd_omp_predetermined_sharing,
10112 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10114 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10115 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10116 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10117 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10118 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10119 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10120 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10121 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10122 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10123 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10124 (LANG_HOOK_DECLS): Use them.
10126 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10127 Richard Henderson <rth@redhat.com>
10128 Jakub Jelinek <jakub@redhat.com>
10129 Diego Novillo <dnovillo@redhat.com>
10131 * c-parser.c (pragma_omp_clause): Define.
10132 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10133 (c_parser_compound_statement): Likewise.
10134 (c_parser_statement): Likewise.
10135 (c_parser_pragma): Handle omp pragmas.
10136 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10137 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10138 (c_parser_omp_clause_name, check_no_duplicate_clause,
10139 c_parser_omp_variable_list,
10140 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10141 c_parser_omp_clause_copyprivate,
10142 c_parser_omp_clause_default,
10143 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10144 c_parser_omp_clause_lastprivate,
10145 c_parser_omp_clause_nowait,
10146 c_parser_omp_clause_num_threads,
10147 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10148 c_parser_omp_clause_reduction,
10149 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10150 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10151 c_parser_omp_atomic, c_parser_omp_barrier,
10152 c_parser_omp_critical, c_parser_omp_flush,
10153 c_parser_omp_for_loop, c_parser_omp_for,
10154 c_parser_omp_master, c_parser_omp_ordered,
10155 c_parser_omp_sections_scope, c_parser_omp_sections,
10156 c_parser_omp_parallel, c_parser_omp_single,
10157 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10158 * c-pragma.c (init_pragma): Do omp pragma registration here.
10159 * c.opt (fopenmp): New flag.
10161 2006-01-18 Eric Christopher <echristo@apple.com>
10163 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10164 * config/darwin.h (GOMP_SELF_SPECS): Define.
10166 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10168 * rtl.h: Remove the prototype for reg_alloc.
10170 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10173 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10174 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10175 sjlj and dwarf2 exception handling.
10176 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10177 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10178 * pa/pa.c (function_value): Treat complex and vector types as
10180 (function_arg): Likewise. Only pass scalar floats in the floating
10181 point argument registers.
10182 * pa/t-slibgcc-dwarf-ver: New file.
10183 * pa/t-slibgcc-sjlj-ver: New file.
10184 * pa/t-slibgcc-elf-ver: Delete file.
10186 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10188 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10189 unlikely_test_section_p test.
10191 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10193 * mode-switching.c (optimize_mode_switching): Make it static.
10194 * basic-block.h: Remove the prototype for
10195 optimize_mode_switching.
10197 * modulo-sched.c (sms_schedule): Make it static.
10198 * rtl.h: Remove the prototype for sms_schedule.
10200 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10201 * rtl.h: Remove the prototype for gcse_after_reload_main.
10203 * reg-stack.c (reg_to_stack): Make it static.
10204 * rtl.h: Remove the prototype for reg_to_stack.
10206 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10208 * rtl.h: Remove the prototypes for regrename_optimize and
10209 copyprop_hardreg_forward.
10211 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10213 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10214 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10215 Test against the appropriate null constant for the mode.
10216 If 'fixup_overlap' is true, swap the operands if they overlap.
10217 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10218 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10219 alpha_split_tmode_pair and adjust for above change.
10220 * config/alpha/alpha.md (movtf_internal): Adjust call to
10221 alpha_split_tfmode_pair and rely on it to swap the operands.
10222 (movti_internal): New insn and post-reload splitter.
10223 (movti): New expander.
10225 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10227 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10230 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10232 * rtlanal.c (global_reg_mentioned_p_1,
10233 global_reg_mentioned_p): Remove.
10234 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10236 * flow.c (initialize_uninitialized_subregs): Make it static.
10237 * rtl.h: Remove the prototype for
10238 initialize_uninitialized_subregs.
10240 * function.c (instantiate_virtual_regs): Make it static.
10241 * function.h: Remove the prototype for
10242 instantiate_virtual_regs.
10244 * regmove.c (regmove_optimize, combine_stack_adjustments):
10246 * rtl.h: Remove the prototypes for regmove_optimize and
10247 combine_stack_adjustments.
10249 2006-01-17 Roger Sayle <roger@eyesopen.com>
10251 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10252 (size_cost): Encode costs in bytes so that a reg-reg addition is
10253 equivalent to COSTS_N_INSNS(1).
10254 (override_options): Use the size_cost.branch_cost as the default
10255 ix86_branch_cost when optimizing for size.
10257 2006-01-18 Ben Elliston <bje@au.ibm.com>
10259 * Makefile.in (D32PBIT_FUNCS): New.
10260 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10261 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10262 D64PBIT_FUNCS and D128PBIT_FUNCS.
10263 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10264 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10266 (decnumber_dep): Define.
10267 * doc/libgcc.texi (Decimal float library routines): New node.
10268 * config/dfp-bit.h, config/dfp-bit.c: New files.
10270 2006-01-18 Ben Elliston <bje@au.ibm.com>
10272 * expr.c (emit_move_change_mode): Always adjust addresses, not
10273 just during reload. Copy replacements only during reload.
10274 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10275 emit_move_via_integer.
10277 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10279 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10280 instead of $(srcdir) and ${srcdir}.
10282 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10285 PR middle-end/11135
10286 * arm.h (struct machine_function): Add pic_reg.
10287 * arm.c (arm_pic_register): Make unsigned.
10288 (arm_override_options): Only set arm_pic_register if
10289 TARGET_SINGLE_PIC_BASE.
10290 (use_return_insn): Only test for a pic register if it is fixed.
10291 (arm_compute_save_reg0_reg12_mask): Likewise.
10292 (thumb_compute_save_reg_mask): Likewise.
10293 (legitimate_pic_operand): Factor out some known invariants.
10294 (legitimize_pic_address): If we don't have a fixed pic register,
10295 then set up a pseudo in the function entry sequence. Handle the
10296 pic base being in a pseudo.
10297 (arm_load_pic_register): Handle the pic register being in a pseudo.
10298 (arm_expand_prologue): Only set up the pic register if it is fixed.
10299 (thumb_expand_prologue): Likewise.
10300 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10301 (pic_load_addr_based_insn): Likewise.
10302 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10305 2006-01-18 Ben Elliston <bje@au.ibm.com>
10307 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10308 decimal float modes for all floating point registers.
10310 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10311 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10313 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10316 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10317 even when the pointer is not NULL.
10319 2006-01-16 Ian Lance Taylor <ian@airs.com>
10321 * common.opt (ftoplevel-reorder): New option.
10322 * cgraph.c (cgraph_asm_nodes): New global variable.
10323 (cgraph_asm_last_node): New static variable.
10324 (cgraph_order): New global variable.
10325 (cgraph_create_node): Set new order field.
10326 (cgraph_varpool_node): Likewise.
10327 (decide_is_variable_needed): Return true if not
10328 flag_toplevel_reorder.
10329 (cgraph_add_asm_node): New function.
10330 * cgraph.h (struct cgraph_node): Add order field.
10331 (struct cgraph_varpool_node): Add order field.
10332 (struct cgraph_asm_node): Define.
10333 (cgraph_asm_nodes, cgraph_order): Declare.
10334 (cgraph_add_asm_node): Declare.
10335 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10337 (cgraph_varpool_assemble_pending_decls): Call it.
10338 (cgraph_output_pending_asms): New static function.
10339 (cgraph_finalize_compilation_unit): Call it.
10340 (struct cgraph_order_sort): Define.
10341 (cgraph_output_in_order): New static function.
10342 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10343 !flag_toplevel_reorder case.
10344 * c-parser.c: Include "cgraph.h".
10345 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10347 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10348 than -fno-unit-at-a-time.
10349 * doc/invoke.texi (Option Summary): Mention
10350 -fno-toplevel-reorder.
10351 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10352 -funit-at-a-time documentation.
10354 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10355 Kazu Hirata <kazu@codesourcery.com>
10357 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10359 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10361 * Makefile.in (FUNCTION_H): New. Use it instead of
10362 function.h throughout the file.
10363 * function.h: Include tree.h.
10365 2006-01-17 Ben Elliston <bje@au.ibm.com>
10367 * recog.c: Separate some functions with whitespace.
10369 2006-01-16 Richard Henderson <rth@redhat.com>
10371 Merge from gomp branch:
10372 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10373 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10374 and rename from struct inline_data. Rename callee* to dst*;
10375 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10376 transform_new_cfg, transform_return_to_modify, and
10377 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10379 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10380 (copy_decl_for_dup): Remove.
10381 * tree-inline.c (struct inline_data): Move to header.
10382 (insert_decl_map): Export.
10383 (remap_decl): Update for member name changes. Use copy_decl hook.
10384 Allow for replacement to be a non-decl. Remove dead code.
10385 (remap_type_1): Check for existing mapping.
10386 (remap_type): Export.
10387 (remap_decls): Update for member name changes.
10388 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10389 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10390 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10391 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10392 (tree_function_versioning, build_duplicate_type): Likewise.
10393 (copy_body_r): Likewise. Export.
10394 (copy_decl_for_dup): Split into ...
10395 (copy_decl_for_dup_finish, copy_decl_to_var,
10396 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10397 (replace_ref_tree, inlining_p): Remove.
10399 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10401 * ifcvt.c (if_convert): Make it static.
10402 * rtl.h: Remove the prototype for if_convert.
10404 * local-alloc.c (local_alloc): Make it static.
10405 * rtl.h: Remove the prototype for local_alloc.
10407 * loop.c (loop_optimize): Make it static.
10408 * cfgloop.h: Remove the prototype for loop_optimize.
10411 2006-01-16 DJ Delorie <dj@redhat.com>
10413 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10416 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10418 * pa.md: Disparage copies between general and floating-point registers
10419 in 32-bit move patterns.
10421 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10424 * Makefile.in (check-%): Depend on site.exp instead of
10425 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10428 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10430 * global.c (global_alloc): Make it static.
10431 * rtl.h: Remove the prototype for global_alloc.
10433 2006-01-16 Richard Guenther <rguenther@suse.de>
10435 * tree-ssa-alias.c (struct used_part): Add write_only field.
10436 (get_or_create_used_part_for): Initialize it to true.
10437 (create_overlap_variables_for): Don't create structure variables
10438 for structures that only are written to.
10439 (find_used_portions): Handle MODIFY_EXPR to track whether a
10440 structure is only written to.
10442 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10444 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10446 * basic-block.h: Remove the prototype for
10447 partition_hot_cold_basic_blocks.
10449 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10451 * cppspec.c (lang_specific_spec_functions): Remove.
10452 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10453 * gcc.h (lang_specific_spec_functions): Remove.
10454 * gccspec.c (lang_specific_spec_functions): Remove.
10456 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10458 * combine.c (record_value_for_reg): Invalidate registers
10460 (record_dead_and_set_regs_1): Likewise, by passing them to
10461 record_value_for_reg.
10462 (record_dead_and_set_regs): Invalidate stores made by a
10463 call. We do not combine across a call, but we still
10464 relied on equivalences.
10466 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10468 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10469 vrp_int_const_binop returning non-constant nodes.
10471 2006-01-16 Paul Brook <paul@codesourcery.com>
10473 * config/m68k/m68k.c (output_move_const_into_data_reg):
10474 Output correct mnemonic for mvz and mvs.
10476 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10478 * rtl-factoring.c: Add sequence abstraction algorithm.
10479 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10480 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10482 (block_has_preserve_label): New function.
10483 * common.opt: Register new pass.
10484 * Makefile.in: Ditto.
10486 * timevar.def: Ditto.
10487 * tree-pass.h: Ditto.
10488 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10489 * rtl.h (make_jump_insn_raw): Add forward decl.
10490 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10492 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10493 Roger Sayle <roger@eyesopen.com>
10495 * fold-const.c (fold_minmax): New static function.
10496 (fold_binary) <MIN_EXPR>: Call it.
10497 <MAX_EXPR>: Likewise.
10498 * stor-layout.c (place_field): Use DECL_SIZE consistently
10499 in the computation of the new record size.
10501 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10503 * cse.c (cse_condition_code_reg): Make it static.
10504 * rtl.h: Remove the prototype for cse_condition_code_reg.
10506 * combine.c (combine_instructions): Make it static.
10507 * rtl.h: Remove the prototype for combine_instructions.
10509 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10512 * tree.c (get_file_function_name_long): Concatenate the first global
10513 object name with a string derived from the input filename of the object
10516 2006-01-16 Ben Elliston <bje@au.ibm.com>
10518 * config/i386/winnt-stubs.c: Update FSF address.
10519 * config/xtensa/ieee754-df.S: Ditto.
10520 * config/xtensa/ieee754-sf.S: Ditto.
10522 2006-01-14 Ian Lance Taylor <ian@airs.com>
10524 * ifcvt.c (noce_init_if_info): New static function, broken out of
10525 noce_process_if_block.
10526 (noce_process_if_block): Call noce_init_if_info.
10527 (check_cond_move_block): New static function.
10528 (cond_move_process_if_block): New static function.
10529 (process_if_block): Call cond_move_process_if_block.
10531 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10533 * cselib.c (hash_table): Rename to cselib_hash_table.
10534 (cselib_clear_table, discard_useless_values,
10535 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10536 cselib_init, cselib_finish): Adjust uses of hash_table.
10538 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10540 PR tree-optimization/25485
10541 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10542 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10543 is known to be false and true, respectively.
10545 2006-01-14 Richard Guenther <rguenther@suse.de>
10547 PR tree-optimization/22548
10548 PR tree-optimization/22555
10549 PR tree-optimization/22501
10550 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10551 * params.def (salias-max-array-elements): New parameter.
10552 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10553 * doc/invoke.texi (salias-max-array-elements): Document.
10554 * tree-flow-inline.h (var_can_have_subvars): We also handle
10556 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10558 * tree-ssa-structalias.c (params.h): Include.
10559 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10560 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10561 (get_constraint_for): For ADDR_EXPR operating on something
10562 containing an ARRAY_REF, add all subvars to the solution.
10563 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10564 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10565 for creating MUST_DEFs.
10566 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10568 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10570 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10572 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10573 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10574 number_of_iterations_le): New functions.
10575 (number_of_iterations_special): Removed.
10576 (number_of_iterations_exit): Do not use number_of_iterations_special.
10577 * tree.c (unsigned_type_for): Always return integer type.
10579 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10580 Richard Guenther <rguenther@suse.de>
10582 PR rtl-optimization/24257
10583 * gcse.c (find_moveable_store): Only consider a store movable
10584 when the SET_SRC of the insn can be assigned to a register.
10586 2006-01-14 Ian Lance Taylor <ian@airs.com>
10588 * tree.c (tree_not_class_check_failed): New function.
10589 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10590 (tree_not_class_check_failed): Declare.
10592 2006-01-13 Ian Lance Taylor <ian@airs.com>
10594 * reload1.c (do_output_reload): Add assertion rejecting a
10597 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10599 * combine.c (struct reg_stat): Add new fields truncation_label and
10601 (record_value_for_reg): Reset truncated_to_mode.
10602 (record_truncated_value): New function.
10603 (check_promoted_subreg): Call it. Rename to check_conversions.
10604 (combine_instructions): Rename check_promoted_subreg to
10606 (reg_truncated_to_mode): New function.
10607 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10608 (gen_lowpart_or_truncate): New function.
10609 (force_to_mode): Use it instead of gen_lowpart.
10611 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10613 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10614 VAR is a tag, not its type tag.
10616 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10618 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10619 alternatives to match style of other entries.
10620 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10622 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10624 PR tree-optimization/25771
10625 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10628 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10631 * tree-inline.c (declare_return_variable): If the return variable
10632 was marked as a non gimple complex, set the return slot variable
10633 to be a non gimple comple variable.
10635 2006-01-13 Richard Guenther <rguenther@suse.de>
10637 * builtins.c (expand_builtin_sincos): New function.
10638 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10640 (expand_builtin): Expand sincos using expand_builtin_sincos.
10642 2006-01-12 DJ Delorie <dj@redhat.com>
10644 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10645 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10646 so that constant shifts can be split.
10647 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10648 (m32c_valid_pointer_mode): Make static.
10649 (shift_gen_func_for): New.
10650 (m32c_prepare_shift): Use it. Split large const shifts into
10652 * config/m32c/predicates.md (shiftcount_operand): Allow more
10654 (longshiftcount_operand): New.
10655 * doc/md.texi (Machine Constraints): Document In6.
10657 2006-01-13 Ben Elliston <bje@au.ibm.com>
10659 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10660 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10663 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10665 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10666 to try to avoid clobbering pieces of structures when we know
10667 something about the whole structure.
10668 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10670 2006-01-13 Ben Elliston <bje@au.ibm.com>
10672 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10673 return in memory, as this is no limitation is no longer present.
10675 2006-01-12 DJ Delorie <dj@redhat.com>
10677 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10678 mova with fb, and for fb+0 -> An.
10680 * config/m32c/mov.md (peephole2): Fix enabling logic.
10682 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10683 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10684 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10685 FINI_ARRAY_SECTION_ASM_OP): Define.
10687 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10689 (m32c_legitimize_reload_address): New logic to reload FB to An.
10690 (m32c_output_reg_push): Add newline.
10691 (m32c_output_reg_pop): Likewise.
10693 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10695 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10697 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10699 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10701 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10703 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10706 2006-01-11 Ben Elliston <bje@au.ibm.com>
10708 * rtlanal.c (find_reg_note): Assert insn is not null.
10710 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10712 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10715 2006-01-11 Jeff Law <law@redhat.com>
10717 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10719 (mark_threaded_blocks, register_jump_thread): New functions.
10720 (thread_through_all_blocks): Remove unwanted argument. No
10721 longer rely on e->aux to communicate thread target info.
10722 Call mark_threaded_blocks. Release the threaded_blocks
10723 bitmap and threaded_edges vector when complete.
10724 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10725 (threaded_blocks): Remove.
10726 (tree_ssa_dominator_optimize): Remove initialization and
10727 finalization of threaded_blocks. Simplify call to
10728 thread_through_all_blocks.
10729 (thread_across_edge): Call register_jump_thread rather than
10730 storing thread information into e->aux.
10731 (free_all_edge_infos): Simplify now that e->aux is no longer
10732 used to communicate with thread_through_all_blocks.
10733 * tree-flow.h (thread_through_all_blocks): Update prototype.
10734 (register_jump_thread): Prototype.
10736 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10738 * df-core.c (df_compact_blocks, df_bb_replace): Use
10739 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10741 2006-01-11 Richard Guenther <rguenther@suse.de>
10743 PR tree-optimization/25734
10744 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10745 stop propagation after successful propagation to the LHS.
10747 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10749 * basic-block.h (control_flow_graph): Change the type of
10750 x_basic_block_info to VEC(basic_block,gc) *.
10751 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10753 (SET_BASIC_BLOCK): New.
10754 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10755 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10756 * cfgbuild.c (find_basic_blocks): Likewise.
10757 * cfglayout.c (fixup_reorder_chain): Likewise.
10758 * cfgrtl.c (create_basic_block_structure,
10759 rtl_create_basic_block): Likewise.
10760 * ifcvt.c (find_if_case_1): Likewise.
10761 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10764 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10766 * Makefile.in: Removed rotted odf.c entry.
10768 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10771 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10772 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10773 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10774 output pattern modifier, not %e.
10775 * config/cris/cris.c (cris_op_str): Update comment about pattern
10777 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10778 before falling through into...
10779 <case 'E'>: Redefined from old 'e' case.
10781 2006-01-11 Jan Hubicka <jh@suse.cz>
10784 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10786 2006-01-11 Jan Hubicka <jh@suse.cz>
10788 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10789 * i386.c (x86_decompose_lea): Kill.
10790 (ix86_rtx_costs): Kill.
10792 2006-01-11 Jan Hubicka <jh@suse.cz>
10794 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10795 * cgraph.h (cgraph_node): Add inline_decl.
10796 (cgraph_insert_node_to_hashtable): Declare.
10797 (save_inline_function_body): Declare.
10798 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10800 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10801 (cgraph_function_versioning): Update call of tree_function_versioning.
10802 (save_inline_function_body): New function.
10803 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10804 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10805 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10806 (cgraph_default_inline_p): Likewise.
10807 (cgraph_decide_inlining_incrementally): Likewise.
10808 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10809 (copy_bb): Kill saving; do updating of clones.
10810 (copy_cfg_body): Kill saving.
10811 (initialize_inlined-parameters): Likewise.
10812 (expand_call_inline): Likewise.
10814 (tree_function_versioning): New parameter "update_clones".
10815 (inlining_p): Kill saving.
10816 * tree-inline.h (tree_function_versioning): Update prototype.
10817 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10820 2006-01-11 Ian Lance Taylor <ian@airs.com>
10822 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10823 Allow undoing set of machine mode.
10824 (do_SUBST): Use enums instead of is_int.
10825 (do_SUBST_MODE): New function.
10826 (SUBST_MODE): New macro.
10827 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10828 reg and trying to replace reg_regno_rtx with a new register.
10829 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10830 (simplify_set): Use SUBST_MODE.
10831 (distribute_notes): Remove code that tried to update reg notes
10832 for regno_reg_rtx changes.
10834 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10836 PR tree-optimization/23109
10837 PR tree-optimization/23948
10838 PR tree-optimization/24123
10840 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10841 * tree-cfg.c (single_noncomplex_succ): New.
10842 * tree-flow.h (single_noncomplex_succ): Declare it.
10843 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10844 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10845 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10846 insert_bb, register_division_in, insert_reciprocals,
10847 replace_reciprocal, free_bb): New.
10848 (execute_cse_reciprocals_1): Rewritten.
10849 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10850 Do not commit any edge insertion. Always compute dominators and
10851 create the allocation pool.
10852 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10853 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10854 * targhooks.c (default_min_divistions_for_recip_mul): New.
10855 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10856 * passes.c (init_optimization_passes): Run recip after tree loop
10858 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10860 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10861 Kenneth Zadeck <zadeck@naturalbridge.com>
10863 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10864 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10865 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10866 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10867 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10868 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10869 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10870 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10871 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10872 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10873 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10874 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10875 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10876 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10877 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10878 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10879 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10880 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10881 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10882 DF_SCAN_POST_ALLOC): New macros.
10883 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10884 df_free_bb_function, df_local_compute_function, df_init_function,
10885 df_dataflow_function, df_confluence_function_0,
10886 df_confluence_function_n, df_transfer_function,
10887 df_finalizer_function, df_free_function, df_dump_problem_function,
10888 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10889 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10890 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10891 df_urec_bb_info, ) New types.
10892 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10894 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10895 df_analyze_simple_change_some_blocks,
10896 df_analyze_simple_change_one_block, df_compact_blocks,
10897 df_bb_replace, df_bb_regno_last_use_find,
10898 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10899 df_insn_regno_def_p, df_find_def, df_find_use,
10900 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10901 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10902 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10903 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10904 debug_df_chain, df_get_dependent_problem, df_chain_create,
10905 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10906 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10907 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10908 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10909 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10910 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10911 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10912 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10913 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10914 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10915 df_reorganize_refs, df_set_state, df_hard_reg_init,
10916 df_read_modify_subreg_p) New public functions.
10917 * df-core.c: The core dataflow solver and glue routines for rtl
10919 (df_init, df_add_problem, df_set_blocks, df_finish,
10920 df_hybrid_search_forward, df_hybrid_search_backward,
10921 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10922 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10923 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10924 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10925 df_reg_defined, df_find_use, df_reg_used, df_dump,
10926 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10927 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10928 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10929 debug_df_useno, reset_df_after_reload): New functions.
10930 * df-scan.c: The scanning fuctions, once in df.c, completely
10931 rewritten so that they now fully model the functionality of
10932 register usage at the backend.
10933 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10934 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10935 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10936 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10937 df_get_artificial_defs, df_get_artificial_uses,
10938 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10939 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10940 df_refs_delete, df_reorganize_refs, df_set_state,
10941 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10942 df_def_record_1, df_defs_record, df_uses_record,
10943 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10944 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10945 df_record_exit_block_uses, df_hard_reg_init): New functions.
10947 * df-problems.c: Seven concrete dataflow problems that use the
10948 scanning in df-scan.c and are solved by the engine in df-core.c.
10949 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10950 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10951 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10952 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10953 df_ru_free_bb_info, df_ru_alloc,
10954 df_ru_bb_local_compute_process_def,
10955 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10956 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10957 df_ru_transfer_function, df_ru_free, df_ru_dump,
10958 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10959 df_rd_free_bb_info, df_rd_alloc,
10960 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10961 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10962 df_rd_transfer_function, df_rd_free, df_rd_dump,
10963 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10964 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10965 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10966 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10967 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10968 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10969 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10970 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10971 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10972 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10973 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10974 df_urec_mark_reg_use_for_earlyclobber,
10975 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10976 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10977 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10978 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10979 df_chain_create_bb_process_use, df_chain_create_bb,
10980 df_chain_finalize, df_chain_free, df_chains_dump,
10981 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10982 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10983 df_reg_lifetime): New functions.
10984 * df.c: Deleted file.
10985 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10986 consistent with new df api.
10987 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10988 rest_of_handle_sms): Ditto.
10989 * web.c (unionfind_union, union_defs, entry_register, web_main):
10991 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10992 invariant_expr_equal_p, find_defs, check_dependencies,
10993 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10994 free_inv_motion_data, move_loop_invariants): Ditto.
10995 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10996 Update dependencies.
10997 (odf.c): Added defective entry that was deleted later in day.
10998 * sched-deps.c (sched_analyze_1): Ditto.
11000 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11002 * tree-ssa-operands.c (get_expr_operands): Record addressable
11003 variables directly. Do not call add_stmt_operands for CONST_DECLs
11005 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11006 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11008 2006-01-11 Ben Elliston <bje@au.ibm.com>
11010 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11011 function returns true in the positive case.
11013 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11016 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11017 for SI, DI, SF and DF modes. Add alternatives to copy between
11018 general and floating point registers to the 32-bit patterns.
11019 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11020 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11021 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11022 generating 64-bit code.
11023 * config/pa/pa.c (output_move_double): Handle copies between general
11024 and floating registers.
11026 2006-01-10 Stuart Hastings <stuart@apple.com>
11028 * config/i386/i386.md (set_got): Update.
11029 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11030 (builtin_setjmp_receiver): Mach-O support.
11031 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11032 (GOT_SYMBOL_NAME): Define.
11033 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11034 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11035 * config/i386/i386.c (override_options): Revise for Darwin.
11036 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11037 support. (darwin_x86_file_end): New. (output_set_got): Add label
11038 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11039 * config/i386/i386-protos.h (output_set_got): Likewise.
11040 * config/darwin.c (machopic_legitimize_pic_address): Update
11043 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11045 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11046 when MODE isn't BLKmode.
11048 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11050 PR rtl-optimization/25367
11051 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11053 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11056 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11057 for a negative bound.
11059 2006-01-10 Richard Guenther <rguenther@suse.de>
11061 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11062 Never override with anything constraint.
11064 2006-01-10 Jan Beulich <jbeulich@novell.com>
11066 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11067 256 bits when optimize_size.
11069 2006-01-10 Jan Beulich <jbeulich@novell.com>
11071 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11073 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11074 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11077 2006-01-10 Ben Elliston <bje@au.ibm.com>
11079 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11081 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11082 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11083 (USE_FP_FOR_ARG): Reject decimal float modes.
11084 (function_arg_advance): Likewise.
11085 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11086 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11087 point types in AltiVec vectors.
11088 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11089 (rs6000_libcall_value): Likewise.
11091 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11093 * config/xtensa/ieee754-df.S: New file.
11094 * config/xtensa/ieee754-sf.S: New file.
11095 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11096 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11097 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11099 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11101 * config/sh/predicates.md (binary_float_operator,
11102 binary_logical_operator, commutative_float_operator,
11103 equality_comparison_operator, greater_comparison_operator,
11104 less_comparison_operator, logical_operator,
11105 noncommutative_float_operator, shift_operator,
11106 symbol_ref_operand, unary_float_operator): Remove redundant
11109 2006-01-09 Jeff Law <law@redhat.com>
11111 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11112 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11113 now unused arguments. Callers updated.
11114 (eliminate_redundant_computations): Remove now unused arguments,
11116 (local_fold): Remove, no longer used.
11117 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11119 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11120 (simplify_cond): New function.
11121 (forward_propagate_into_cond): Call simplify_cond.
11123 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11125 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11126 (*vec_extractv2di_1_sse): New.
11128 2006-01-09 Ben Elliston <bje@au.ibm.com>
11130 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11132 2006-01-08 Richard Guenther <rguenther@suse.de>
11134 * tree-ssa-structalias.c (get_constraint_for): Remove
11135 anyoffset argument.
11136 (get_constraint_for_component_ref): Likewise.
11137 (do_deref): Likewise.
11138 (get_constraint_for): Likewise.
11139 (do_structure_copy): Likewise.
11140 (handle_ptr_arith): Likewise.
11141 (find_func_aliases): Likewise. Remove unused need_anyoffset
11144 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11145 Kaz Kojima <kkojima@gcc.gnu.org>
11147 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11148 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11149 (EXTRA_CONSTRAINT_C16): Remove.
11150 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11151 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11152 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11153 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11154 constants of SHmedia. Handle nested constant expressions of
11156 (andcosts): Fix the costs for SHmedia constants.
11157 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11158 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11159 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11160 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11161 (movv4hi_i, movv2si_i): Likewise.
11162 (movsi_const): Adjust the second operand of ior so to match with
11163 the Csu constraint.
11164 (movdi_const, movdi_const_32bit): Likewise.
11165 (movdi_const_16bit+1): Don't sign-extend LOW.
11166 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11168 (*double_shori): Fix the split condition. Use GEN_INT instead
11169 of get_int_mode calls. Mask lower 16-bit of the argument of
11171 (sym2GOTPLT): Remove.
11172 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11174 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11175 instead of EXTRA_CONSTRAINT_C16.
11177 2006-01-07 Ian Lance Taylor <ian@airs.com>
11178 David Edelsohn <edelsohn@gnu.org>
11180 PR rtl-optimization/25662
11181 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11182 for constant operands instead of simplify_gen_binary.
11183 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11184 after trying simplify_binary_operation
11186 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11188 * tree.c (iterative_hash_expr): Hash decls based on UID.
11190 2006-01-06 Eric Christopher <echristo@apple.com>
11192 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11193 (TARGET_UNWIND_EMIT): Fix spelling.
11194 * target.h (gcc_target): Add except_table_label.
11195 * except.c (output_function_exception_table): Use.
11196 * varasm.c (default_emit_except_table_label): New.
11197 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11199 (asm_out): Add here.
11200 * output.h (default_emit_except_table_label): Prototype.
11201 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11202 * config/darwin.c (darwin_emit_except_table_label): Define.
11203 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11205 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11207 PR tree-optimization/18527
11208 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11209 number_of_iterations_special, number_of_iterations_exit):
11210 Move base and step of an iv to a single structure. Add
11211 no_overflow flag, and use it in # of iterations analysis.
11212 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11213 folded_casts argument.
11214 (simple_iv): Pass base and step in a structure. Set no_overflow
11216 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11217 Evaluate expensiveness of computing # of iterations instead of
11218 the final expression.
11219 * tree-scalar-evolution.h (affine_iv): New structure.
11220 (simple_iv): Declaration changed.
11221 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11222 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11223 find_givs_in_stmt): Changed due to simple_iv change.
11225 2006-01-06 Jeff Law <law@redhat.com>
11228 * tree-cfg.c (bsi_replace): Rename final argument from
11229 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11230 change (stmt -> orig_stmt).
11231 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11232 (bsi_remove): Add new argument. Remove EH information
11234 (verify_eh_throw_table_statements): New function.
11235 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11237 * tree-optimize.c (execute_free_cfg_annotations): Verify
11238 the EH throw statement table after removing annotations.
11239 * except.h (verify_eh_throw_table_statements): Prototype.
11240 * tree-flow.h (bsi_remove): Update prototype.
11241 * tree-vrp.c (remove_range_assertions): Add new argument to
11243 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11244 * tree-complex.c (expand_complex_div_wide): Likewise.
11245 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11246 * tree-tailcall.c (eliminate_tailcall): Likewise.
11247 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11248 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11249 * tree-nrv.c (tree_nrv): Likewise.
11250 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11251 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11252 (combine_blocks): Likewise.
11253 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11254 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11255 (cleanup_control_flow): Likewise.
11256 (remove_forwarder_block): Likewise.
11257 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11258 * tree-sra.c (sra_replace): Likewise.
11259 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11260 (forward_propagate_single_use_vars): Likewise.
11261 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11262 * tree-inline.c (expand_call_inline): Likewise.
11263 * tree-vect-transform.c (vect_transform_loop): Likewise.
11264 * tree-outof-ssa.c (rewrite_trees): Likewise.
11265 * tree-cfg.c (make_goto_expr_edges): Likewise.
11266 (cleanup_dead_labels): Likewise.
11267 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11268 (bsi_move_before, bsi_move_after): Likewise.
11269 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11270 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11272 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11275 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11277 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11278 on non gimple variables. Also add checks at the top for decls and
11280 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11282 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11283 and IMAGPART_EXPR for creating MUST_DEFs.
11284 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11285 and NAME_MEMORY_TAG separately from the DECLs.
11287 2006-01-06 Richard Guenther <rguenther@suse.de>
11289 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11290 annotation, if necessary.
11291 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11292 redundant calls to update_stmt.
11293 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11296 2006-01-05 Richard Henderson <rth@redhat.com>
11298 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11300 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11302 * c-typeck.c: Update copyright date.
11304 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11306 * c-typeck.c (build_c_cast): Always warn when casting
11307 from a pointer to an integer of different size, even if
11308 the node was constant.
11310 2006-01-05 Richard Guenther <rguenther@suse.de>
11312 PR tree-optimization/22555
11313 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11314 if one structure field is an array.
11315 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11316 operands even if we found a subvar, but ignore VOPs in this
11318 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11320 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11322 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11324 PR middle-end/24998
11325 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11327 2006-01-05 Richard Guenther <rguenther@suse.de>
11328 Diego Novillo <dnovillo@redhat.com>
11330 * tree-pass.h (TODO_remove_unused_locals): Define.
11331 * gimple-low.c (expand_var_p, remove_useless_vars,
11332 pass_remove_useless_vars): Remove. Update all users.
11333 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11334 (remove_unused_locals): New function.
11335 * tree-flow.h (remove_unused_locals): Declare.
11336 * passes.c (execute_todo): Call remove_unused_locals if
11337 TODO_remove_unused_locals is set.
11338 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11339 * tree-ssa-dce.c (pass_dce): Likewise.
11340 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11342 2006-01-05 Richard Guenther <rguenther@suse.de>
11344 * tree-flow.h (struct fieldoff): Decompose field to
11345 type, size and decl.
11346 * tree-ssa-alias.c (create_sft): Take type as parameter.
11347 (create_overlap_variables_for): Store type, size and decl
11348 in the fieldoff structure.
11349 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11350 of struct fieldoff.
11351 (push_fields_onto_fieldstack): Likewise.
11352 (create_variable_info_for): Likewise. Use offset for the
11353 SFT name if the decl is not available.
11355 2006-01-04 Paul Brook <paul@codesourcery.com>
11357 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11359 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11361 * lambda-code.c (can_put_in_inner_loop): Relax
11363 (can_put_after_inner_loop): New function.
11364 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11365 (perfect_nestify): Change to make copies and modify uses.
11367 2006-01-04 Richard Henderson <rth@redhat.com>
11369 Merge from gomp branch:
11370 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11371 via integer constant.
11372 (pragma_lex): Remove.
11373 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11374 rather than parsing it.
11375 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11376 handle_pragma_extern_prefix): Add %< %> quotes.
11377 (registered_pragmas): New.
11378 (c_register_pragma_1): New.
11379 (c_register_pragma): Use it.
11380 (c_register_pragma_with_expansion): Likewise.
11381 (c_invoke_pragma_handler): New.
11382 (init_pragma): Use cpp_register_deferred_pragma directly for
11384 * c-pragma.h (enum pragma_kind): New.
11385 (pragma_handler): New.
11386 (c_invoke_pragma_handler): Declare.
11387 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11389 * c-common.h (c_common_pch_pragma): Update decl.
11390 * Makefile.in (c-parser.o): Update dependencies.
11391 (GTFILES): Add c-pragma.h.
11392 * c-parser.c (struct c_token): Add pragma_kind.
11393 (struct c_parser): Add in_pragma.
11394 (c_lex_one_token): Always initialize keyword and pragma_kind.
11395 Extract data for CPP_PRAGMA.
11396 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11397 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11398 Don't allow CPP_PRAGMA_EOL if in_pragma.
11399 (c_parser_consume_pragma): New.
11400 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11401 (c_parser_skip_to_end_of_parameter): Likewise.
11402 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11403 (c_parser_skip_to_pragma_eol): New.
11404 (c_parser_external_declaration): Handle CPP_PRAGMA.
11405 (c_parser_compound_statement_nostart): Likewise.
11406 (c_parser_statement_after_labels): Likewise.
11407 (c_parser_pragma): New.
11408 (pragma_lex): Likewise.
11409 (c_parser_pragma_pch_preprocess): New.
11410 (c_parser_new): Merge into ...
11411 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11413 2006-01-04 Jeff Law <law@redhat.com>
11416 * tree-cfg.c (bsi_replace): Remove the original statement
11417 from the EH throw statement table.
11419 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11421 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11422 make the prototype extern "C" and add throw ().
11425 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11426 and pos non-negative and pos + len <= 32.
11427 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11428 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11429 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11432 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11433 as well as sizes not multiple of component size.
11436 * function.c (instantiate_expr): New function.
11437 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11438 walk its DECL_VALUE_EXPR with instantiate_expr.
11440 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11441 DW_OP_deref{,_size} if address isn't going to be added.
11443 2006-01-04 Ben Elliston <bje@au.ibm.com>
11445 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11446 * config/fp-bit.c: Likewise.
11448 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11450 * dominance.c: Add comment about why we use DFS numbering
11453 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11454 Richard Henderson <rth@redhat.com>
11456 Merge from gomp-branch:
11457 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11458 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11460 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11462 PR rtl-optimization/25578
11463 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11464 pass a parameter to simplify_shift_const if changing ASHIFTRT
11467 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11469 * builtins.c (get_builtin_sync_mem): New function.
11470 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11471 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11472 Call get_builtin_sync_mem to generate mem rtx.
11474 2006-01-03 Richard Guenther <rguenther@suse.de>
11477 * stmt.c (add_case_node): Make sure to clear overflow flags
11480 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11482 Merge from gomp-branch.
11483 * config/sparc/sync.md: New file.
11484 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11485 UNSPECV_LDSTUB): New constants.
11486 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11487 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11488 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11491 2006-01-03 Roger Sayle <roger@eyesopen.com>
11493 * combine.c (reg_subword_p): New predicate to test whether the
11494 destination of a set refers to a subword/piece of a register.
11495 (try_combine): Generalize the code to merge the setting of a
11496 pseudo to a constant followed by a set of a subword of that
11497 register to a constant.
11499 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11501 * basic-block.h (control_flow_graph): Change the type of
11502 x_label_to_block_map to VEC(basic_block,gc) *.
11503 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11504 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11506 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11507 VEC(basic_block,heap) *.
11508 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11509 ssa_prop_fini): Adjust the uses of cfg_blocks.
11511 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11513 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11515 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11516 hashing trees instead of a pointer hash.
11517 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11518 compare for MEM_EXPR.
11520 PR rtl-optimization/25130
11521 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11522 when comparing MEMs for GCSE
11524 2006-01-03 Ben Elliston <bje@au.ibm.com>
11526 * targhooks.h (default_decimal_float_supported_p): Declare.
11527 * targhooks.c (default_decimal_float_supported_p): Define.
11528 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11529 `default_decimal_float_supported_p'.
11530 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11532 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11534 * combine.c (apply_distributive_law <SUBREG>): Check
11535 TRULY_NOOP_TRUNCATION.
11537 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11539 * dwarf2out.c (have_switched_text_section): Delete.
11540 (have_multiple_function_sections): New.
11541 (have_location_lists): Make 'bool'.
11542 (add_AT_loc_list): Use 'true' not '1'.
11543 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11544 (output_loc_list): Use have_multiple_function_sections.
11545 (output_ranges): Likewise.
11546 (dwarf2out_begin_function): Set have_multiple_function_sections if
11548 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11549 Check function_section rather than DECL_SECTION_NAME.
11550 (dwarf2out_finish): Use have_multiple_function_sections.
11551 Don't clear have_location_lists.
11553 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11554 Jan Hubicka <jh@suse.cz>
11556 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11557 case of conditional jump jumping to the next instruction.
11558 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11559 cases of conditional jump jumping to the next instruction.
11561 2006-01-02 Jan Hubicka <jh@suse.cz>
11563 * i386.c (*_cost): Add COSTS_N_INSNS.
11564 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11566 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11569 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11571 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11573 * config/arm/arm.c (all_fpus): Fix comment typo.
11574 * config/darwin.c: Likewise.
11575 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11576 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11577 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11579 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11581 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11582 (rs6000_split_compare_and_swapqhi): New.
11583 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11584 (sync_compare_and_swapqhi_internal): New.
11585 * config/rs6000/rs6000-protos.h: Declare.