1 2005-03-20 Richard Sandiford <rsandifo@redhat.com>
3 * opt-functions.awk (flag_set_p, test_flag): New functions.
4 (switch_flags): Use them.
5 * opth-gen.awk: Use flag_set_p to check for flags.
6 * optc-gen.awk: Likewise. Use opt_args to check for Init(...) flags.
8 2005-03-30 Ian Lance Taylor <ian@airs.com>
10 * config.host (i[34567]86-*-mingw32*): Don't set
11 host_can_use_collect2 to no.
13 2005-03-30 Alan Modra <amodra@bigpond.net.au>
16 * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
17 Remove convert_memory_address call duplicating that in memory_address.
19 2005-03-29 Richard Henderson <rth@redhat.com>
22 * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
23 (build_compound_literal): Likewise. Propagate decl type into the
25 (finish_decl): Likewise. Use new return value from complete_array_type
26 for zero sized arrays.
27 (complete_array_type): Move ...
28 * c-common.c (complete_array_type): ... here. Change first argument
29 to pointer-to-type-node. Consistently use sizetype for the index
30 except for zero sized arrays. Detect zero sized arrays for pedantic
31 mode diagnostics. Create a new type node instead of modifying the
33 * c-tree.h (complete_array_type): Move decl ...
34 * c-common.h (complete_array_type): ... here.
36 2005-03-29 Richard Henderson <rth@redhat.com>
39 * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
41 2005-03-29 Kazu Hirata <kazu@cs.umass.edu>
43 * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
44 debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
45 rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
46 tree-profile.c, tsystem.h, value-prof.h: Update copyright.
48 2005-03-29 Eric Christopher <echristo@redhat.com>
50 * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
51 truthvalue conversion removal.
53 2005-03-29 Ian Lance Taylor <ian@airs.com>
56 * collect2.c: Never include <vfork.h>.
57 (VFORK_STRING, vfork): Don't define.
58 (pid): Remove global variable.
59 (handler): Call raise instead of kill (getpid(), ...).
60 (collect_wait): Add pex parameter. Change all callers. Use
61 pex_get_status rather than pwait.
62 (do_wait): Add pex parameter. Change all callers.
63 (collect_execute): Return struct pex_obj * rather than void. Use
64 pex routines rather than pexecute.
65 (fork_execute): Get pex_obj from collect_execute, and pass it to
67 (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
68 Only declare quit_handler if SIGQUIT is defined.
69 (scan_libraries): Likewise.
70 * collect2.h (collect_execute): Update declaration.
71 (collect_wait): Update declaration.
72 * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
73 pass it to collect_wait.
75 2005-03-29 Joseph S. Myers <joseph@codesourcery.com>
78 * c-parser.c (c_parser_compound_statement_nostart): Give error
79 message for EOF instead of just setting parser->error.
81 2005-03-29 Dorit Naishlos <dorit@il.ibm.com>
83 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
84 (slpeel_update_phi_nodes_for_guard1): New function.
85 (slpeel_update_phi_nodes_for_guard2): New function.
86 (slpeel_tree_peel_loop_to_edge): Call above new functions instead
87 of slpeel_update_phi_nodes_for_guard.
88 (vectorize_loops): Remove call to loop_closed_rewrite.
89 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
92 2005-03-29 Richard Sandiford <rsandifo@redhat.com>
94 * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
95 (TARGET_LITTLE_ENDIAN): New macro.
96 * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
97 (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
98 (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
99 (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
100 (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
101 (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
102 (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
103 (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
104 (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
105 (TARGET_OPTIONS): Delete.
106 (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
107 (CACHE_FLUSH_TRAP): Turn into an integer.
108 (TARGET_LITTLE_ENDIAN): Define to 0 by default.
109 (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
110 -mflush-trap is in use.
111 * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
112 (m32r_cache_flush_trap_string): Delete.
113 (m32r_model) Initialize to M32R_MODEL_DEFAULT.
114 (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
115 (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
116 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
117 (m32r_handle_option): New function. Move -mflush-trap=, -mflush-func=,
118 -mmodel= and -msdata= handling from...
119 (m32r_init): ...here.
120 * config/m32r/m32r.opt: New file.
122 2005-03-29 Keith Besaw <kbesaw@us.ibm.com>
124 * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
125 (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
126 * tree-vect-analyze.c (vect_object_analysis): additional parm
127 pass back a "struct ptr_info_def *" with the points-to info.
128 (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
129 statement using info returned from vect_object_analysis.
130 * tree-vect-transform.c (update_vuses_to_preheader): New function.
131 (vect_create_data_ref_ptr): Remove updates to vars_to_rename
132 for virtual uses and defs when creating a replacement vector
133 reference. Call duplicate_ssa_name_ptr_info to define points-to
134 info for vector pointer replacement using STMT_VINFO_PTR_INFO.
135 (vectorizable_store): copy_virtual_operands and update
136 definition statements.
137 (vectorizable_load): copy_virtual_operands. Remove call to
138 mark_call_clobbered_vars_to_rename for call to "const" builtin.
139 * tree-vectorizer.c (vectorize_loops): Remove calls to
140 rewrite_into_ssa and bitmap_clear (vars_to_rename).
141 (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
142 * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
143 define macro STMT_VINFO_PTR_INFO for use in accessing.
144 * tree.h add export of duplicate_ssa_name_ptr_info.
145 * rs6000.c (altivec_init_builtins): Declare builtin function
146 __builtin_altivec_mask_for_load to be "const".
148 2005-03-29 Jakub Jelinek <jakub@redhat.com>
151 * cgraph.h (struct cgraph_varpool_node): Add alias field.
152 * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
153 assemble_variable on aliases.
154 * varasm.c (assemble_alias): Set node->alias.
155 * toplev.c (wrapup_global_declarations): Don't call
156 rest_of_decl_compilation on aliases again.
158 2005-03-29 Paul Brook <paul@codesourcery.com>
160 * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
161 * config/arm/arm.c (arm_dbx_register_number): New function.
162 * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
164 2005-03-29 Eric Botcazou <ebotcazou@libertysurf.fr>
167 * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
168 the DECL_NAME, not the DECL_ASSEMBLER_NAME.
170 2005-03-29 Dale Johannesen <dalej@apple.com>
172 * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
173 $(TREE_H) and $(COVERAGE_H).
174 * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
175 * opts.c (common_handle_option): Enable tree-based value transforms.
176 * toplev.c (process_options): Ditto.
177 * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
178 refers to references to this type.
179 * tree-flow.h: (struct stmt_ann_d): Add histograms field.
180 * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
181 for may_be_more, may_be_less.
182 (rtl_gen_pow2_profiler): Adjust.
183 (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
184 (rtl_gen_one_value_profiler): Adjust.
185 (rtl_gen_const_delta_profiler): Adjust.
186 * tree-profile.c (tree_gen_interval_profiler): Implement.
187 (tree_gen_pow2_profiler): Ditto.
188 (tree_gen_one_value_profiler): Ditto.
189 (tree_profiling): New.
190 (pass_tree_profile): Reference it.
191 * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
193 (insn_divmod_values_to_profile): Rename to
194 rtl_divmod_values_to_profile. Adjust.
195 (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
196 (insn_prefetch_values_to_profile): Adjust.
197 (rtl_value_profile_transformations): Adjust.
198 (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
199 (gen_mod_pow2): Rename to rtl_mod_pow2.
200 (gen_mod_subtract): Rename to rtl_mod_subtract.
201 (divmod_fixed_value_transform): Rename to
202 rtl_divmod_fixed_value_transform.
203 (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
204 (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
205 (rtl_find_values_to_profile): Adjust.
206 (tree_value_profile_transformations): Implement.
207 (tree_divmod_values_to_profile): New.
208 (tree_values_to_profile): New.
209 (tree_divmod_fixed_value): New.
210 (tree_mod_pow2): New.
211 (tree_mod_subtract): New.
212 (tree_divmod_fixed_value_transform): New.
213 (tree_mod_pow2_value_transform): New.
214 (tree_mod_subtract_transform): New.
215 (tree_find_values_to_profile): Implement.
216 * profile.c (instrument_values): Free histograms.
217 (compute_value_histograms): Adjust. Implement tree version.
219 2005-03-29 Uros Bizjak <uros@kss-loka.si>
221 * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
222 * config/i386/i386.c (output_fix_trunc): Add new round_mode
223 variable. Output "fldcw" depending on round_mode.
224 * config/i386/i386.md (UNSPEC_FIST): New.
225 (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
226 New isns patterns to implement lrint and llrint built-ins as x87
228 (fistdi2, fist<mode>2 splitters): New splitters.
229 (lrint<mode>2): New expanders.
231 2005-03-28 Ian Lance Taylor <ian@airs.com>
233 * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
234 0 when calling final_scan_insn.
236 2005-03-28 Jan Hubicka <jh@suse.cz>
239 * varasm.c (mark_decl_referenced): Do not mark extern inline functions
242 * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
243 types where possible.
245 2005-03-26 Per Bothner <per@bothner.com>
247 Make -f[no-]show-column also control non-cpp diagnostics.
248 * c.opt (fshow-column): Move option from here ...
249 * common.opt (fshow-column): ... to here.
250 * diagnostic.c (diagnostic_build_prefix): Only print column number
253 2005-03-27 Steven Bosscher <stevenb@suse.de>
255 * vax-protos.h (vax_output_int_move, vax_output_int_add,
256 vax_output_conditional_branch): New prototypes.
257 * vax.c (vax_output_int_move, vax_output_int_add): New functions,
258 extracted from vax.md mov and add patterns.
259 (vax_output_conditional_branch): New function to output conditional
261 * vax.md: Use mode macros for arithmetic and mov patterns.
262 Use code macros for the jump patterns.
264 2005-03-26 Andrew Pinski <pinskia@physics.uc.edu>
266 * Makefile.in (libbackend.o): Depend on version files;
267 add custom generation command.
269 2005-03-26 Andrew Pinski <pinskia@physics.uc.edu>
272 * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
273 sure that we have a REG before getting its REGNO.
275 2005-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
278 * builtins.def (BUILT_IN_STRNDUP): New.
280 2005-03-25 Pat Haugen <pthaugen@us.ibm.com>
282 PR tree-optimization/20470
283 * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
286 2005-03-25 Mike Stump <mrs@apple.com>
288 * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
291 2005-03-25 Geoffrey Keating <geoffk@apple.com>
293 * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
294 Use our own structure definitions.
296 * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
297 (fix_truncdfsi2): Allow registers or memory as destination.
298 When TARGET_PPC_GFXOPT, generate simplified pattern.
299 (fix_truncdfsi2_internal): Use define_insn_and_split.
300 (fix_truncdfsi2_internal_gfxopt): New.
301 (fctiwz): Don't confuse register allocation by giving it no choices.
303 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
304 (EXTRA_MEMORY_CONSTRAINT): Likewise.
305 * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
306 * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
308 2005-03-25 Kazu Hirata <kazu@cs.umass.edu>
310 * dominance.c (free_dominance_info): Speed up by freeing et
311 data structures without maintaining other nodes.
312 * et-forest.c (et_free_tree_force): New.
313 * et-forest.h: Add a prototype for et_free_tree_force.
315 * tree.c (get_set_constructor_bits,
316 get_set_constructor_bytes): Remove.
317 * tree.h: Remove the corresponding prototypes.
319 2005-03-25 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
322 * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
323 (vax_rtx_costs): Return false when passed unsupported rtx's. Handle
324 FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE. Fix costs for POST_INC,
325 PRE_DEC, NEG and NOT.
327 2005-03-25 Kazu Hirata <kazu@cs.umass.edu>
329 * fold-const.c: Convert uses of fold (build (...)) to
332 2005-03-25 Zdenek Dvorak <dvorakz@suse.cz>
334 PR rtl-optimization/20249
335 * cse.c (insert_regs): Do not record equivalence of registers in
338 2005-03-24 Kazu Hirata <kazu@cs.umass.edu>
340 * emit-rtl.c (reverse_comparison): Remove.
341 * rtl.h: Remove the corresponding prototype.
343 2005-03-24 James E Wilson <wilson@specifixinc.com>
345 * doc/install.texi (--enable-altivec): Delete docs.
347 2005-03-24 David Edelsohn <edelsohn@gnu.org>
349 * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
350 SFmode and DFmode before reload when
351 flag_unsafe_math_optimizations not enabled.
353 2005-03-24 Geoffrey Keating <geoffk@apple.com>
355 * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
357 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
358 MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
360 2005-03-24 Nathan Sidwell <nathan@codesourcery.com>
362 * configure.ac (enable-checking): Add 'runtime' option.
363 * doc/install.texi (enable-checking): Document 'runtime' checking.
364 * tsystem.h (gcc_assert, gcc_unreachable): Define.
365 * config.in: Regenerated.
366 * configure: Regenerated.
368 2005-03-23 Uros Bizjak <uros@kss-loka.si>
370 * optabs.h (enum optab_index): Remove OTI_llrint.
371 (llrint_optab): Remove macro.
372 * optabs.c (init_optabs): Remove llrint_optab initialization.
373 * genopinit.c (optabs): Remove llrint_optab implementation.
374 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
377 2005-03-24 Alexandre Oliva <aoliva@redhat.com>
379 PR rtl-optimization/20532
380 * simplify-rtx.c (simplify_binary_operation_1): Protect from
381 overflow when adding coefficients for PLUS or MINUS.
382 (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
385 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
387 * langhooks.h (truthvalue_conversion): Remove.
388 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
389 LANG_HOOKS_TRUTHVALUE_CONVERSION.
390 * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
391 * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
392 * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
394 2005-03-23 Kazu Hirata <kazu@cs.umass.edu>
396 * params.def: Fix a typo.
397 * config/mips/mips.c: Follow the spelling convensions.
398 * doc/invoke.texi: Fix typos.
400 2005-03-18 Dale Johannese <dalej@apple.com>
402 * cp/tree.c (cp_tree_equal): Handle SSA_NAME.
404 2005-03-23 Daniel Berlin <dberlin@dberlin.org>
406 Fix PR tree-optimization/20601
408 * tree-ssa-pre.c (insert_aux): Add missing condition to
411 2005-03-23 Ian Lance Taylor <ian@airs.com>
413 * final.c (final_scan_insn): Don't remove no-op instructions.
414 * reload1.c (reload): Remove simple no-op instructions even when
417 2005-03-23 Dorit Naishlos <dorit@il.ib.com>
419 PR tree-optimization/20501
420 * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
421 reporting that peeling for alignment is applied moved to...
422 * (vect_analyze_data_refs_alignment): Here.
424 2005-03-23 Ian Lance Taylor <ian@airs.com>
426 * reorg.c (dbr_schedule): Remove #if 0 code to call final.
428 2005-03-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
430 * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
431 Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
433 2005-03-23 Hans-Peter Nilsson <hp@axis.com>
435 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
436 imply that this is called once, independent of asms in code.
437 Adjust to now being pased output and input lists. Mention helper
438 function decl_overlaps_hard_reg_set_p.
439 * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
440 hook_tree_tree_identity and to take three trees, returning third.
441 * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
443 * stmt.c: include hard-reg-set.h before tree.h.
444 (decl_overlaps_hard_reg_set_p): New function, broken out from...
445 (decl_conflicts_with_clobbers_p): Call
446 decl_overlaps_hard_reg_set_p.
447 (expand_asm_operands): Pass output and input lists in call to
448 targetm.md_asm_clobbers.
449 * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
450 hook_tree_tree_tree_tree_3rd_identity.
451 * target.h (struct gcc_target.md_asm_clobbers): Take three tree
453 * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
454 * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
455 parameters, first two unused.
456 * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
457 parameters. Only add MOF to clobbers if there's no 'h' mentioned
458 in constraint letters and MOF is not mentioned as a asm-declared
459 register in neither of the input and output lists.
461 2005-03-23 DJ Delorie <dj@redhat.com>
463 * optabs.c (expand_binop): Make sure the first subword's result
466 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
468 * c-common.c (c_common_truthvalue_conversion): Adjust comment.
469 Call c_common_truthvalue_conversion rather than
470 lang_hooks.truthvalue_conversion.
471 * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
472 * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
474 * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
475 c_common_truthvalue_conversion.
476 * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
477 c_parser_conditional_expression, c_parser_binary_expression): Call
478 c_objc_common_truthvalue_conversion.
479 * c-typeck.c (build_unary_op): Call
480 c_objc_common_truthvalue_conversion.
481 (build_conditional_expr): Do not call
482 lang_hooks.truthvalue_conversion.
483 (build_binary_op): Call c_common_truthvalue_conversion.
484 (c_objc_common_truthvalue_conversion): Moved from
485 c-objc-common.c. Call default_function_array_conversion instead
486 of default_conversion.
488 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
490 * c-common.h (default_conversion): Remove.
491 (perform_integral_promotions): Add.
492 * c-tree.h (default_conversion): Add.
493 * c-typeck.c (perform_integral_promotions): New, split out from
495 * c-common.c (check_case_value): Use perform_integral_promotions,
496 not default_conversion.
497 (c_add_case_label): Don't continue processing case label after
500 2005-03-23 Mark Mitchell <mark@codesourcery.com>
502 * gcc.c (do_spec_1): Do not add a -L path for a directory in
503 the prefix list if we have already added a multilib directory
505 (main): Do not add MD_EXEC_PREFIX to the list of directories to
508 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
510 * reload1.c (indirect_symref_ok, reload_obstack): Make them
512 * reload.h: Remove the prototype for indirect_symref_ok.
514 * reload1.c (indirect_symref_ok): Make it global.
515 * reload.h: Add a prototype for indirect_symref_ok.
517 2005-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
519 * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
522 2005-03-22 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
524 * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
526 2005-03-22 Daniel Berlin <dberlin@dberlin.org>
528 * c-opts.c (c_common_parse_file): Only start/end main source file
529 if debug hooks says the writer wants it.
530 * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
532 (xcoff_debug_hooks): Ditto.
533 * debug.c (do_nothing_hooks): Ditto.
534 * debug.h (gcc_debug_hooks): Ditto.
535 * dwarf2out.c (dwarf2_debug_hooks): Ditto.
536 * sdbout.c (sdb_debug_hooks): Ditto.
537 * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
539 2005-03-22 Mark Mitchell <mark@codesourcery.com>
541 * doc/extend.texi: Deprecate C++ min/max operators.
543 2005-03-22 Zdenek Dvorak <dvorakz@suse.cz>
545 * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
546 artificial original candidates.
548 2005-03-22 Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
549 Jan Hubicka <jh@suse.cz>
550 Steven Bosscher <stevenb@suse.de>
552 * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
553 call cost based on argument sizes.
554 (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
556 * params.def: (max-inline-inssn-single): Set to 450.
557 (max-inline-insns-auto): Set to 90.
558 (max-inline-insns-recursive): Set to 450
559 (max-inline-insns-recursive-auto): Set to 450.
560 (large-function-insns): Set to 2700.
561 (inline-call-cost): New parameter.
562 * tree-inline.c (estimate_move_cost): New function.
563 (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
564 for non-gimple-regs, set cost to 0 for gimple-regs. Compute call size
566 * tree-inline.h (estimate_move_cost): Declare.
567 * invoke.texi: (max-inline-inssn-single): Change default to 450.
568 (max-inline-insns-auto): Change default to 90.
569 (max-inline-insns-recursive): Change default to 450
570 (max-inline-insns-recursive-auto): Change default to 450.
571 (large-function-insns): Change default to 2700.
572 (inline-call-cost): Document new parameter.
574 2005-03-22 Richard Sandiford <rsandifo@redhat.com>
576 * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
577 (TARGET_DEFAULT): Delete.
578 * config/i860/i860.opt: New file.
580 2005-03-22 Richard Sandiford <rsandifo@redhat.com>
582 * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
583 (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
584 (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
585 (frv_sched_lookahead): Delete.
586 * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
587 (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
588 (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
589 (MASK_LIBPIC, MASK_ACC_4, MASK_PACK, MASK_LONG_CALLS)
590 (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
591 (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
592 (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
593 (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
594 (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
595 (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
596 (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
597 (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
598 (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
599 (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
600 (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
601 (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
602 (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
603 (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
604 (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
605 (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
606 (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
607 (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
608 * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
609 (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
610 (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
611 (frv_sched_lookahead): Delete.
612 (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
613 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
614 (frv_handle_option): New function. Move -mcpu= handling from...
615 (frv_override_options): ...here. Remove handling of other
617 (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
618 TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
619 (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
620 and TARGET_NO_MULTI_CE.
621 (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
623 * config/frv/frv.opt: New file.
625 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
627 * fold-const.c (fold_ternary): Take decomposed arguments of
629 (fold): Update a call to fold_ternary.
631 * fold-const.c (fold_build1, fold_build2, fold_build3): New.
632 * tree.h: Add corresponding prototypes.
634 2005-03-22 Jakub Jelinek <jakub@redhat.com>
637 * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
638 between jump table and its label.
639 * final.c (shorten_branches): Handle notes in between ADDR_VEC
640 resp. ADDR_DIFF_VEC and the label preceeding it.
641 (final_scan_insn): Likewise. Ensure ADDR_VEC resp. ADDR_DIFF_VEC
642 is emitted in the right section.
644 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
646 * fold-const.c (fold_unary, fold_binary): Update comments
649 2005-03-22 Hans-Peter Nilsson <hp@axis.com>
651 PR rtl-optimization/20527
652 * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
653 REG_INC note, test that the register also isn't mentioned in PRED
656 2005-03-22 Ben Elliston <bje@au.ibm.com>
658 * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
661 2005-03-21 Mike Stump <mrs@apple.com>
663 * varasm.c (default_assemble_visibility): Remove extra ().
665 2005-03-21 Roger Sayle <roger@eyesopen.com>
668 * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
669 to determine whether a block can be duplicated, rather than test
670 whether the block contains noncopyable insns ourselves.
672 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
674 * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
677 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
679 * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
681 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
683 * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
684 (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
685 * config/fr30/fr30.opt: New file.
687 2005-03-18 Daniel Berlin <dberlin@dberlin.org>
689 Fix PR tree-optimization/20542
691 * tree-flow-inline.h (overlap_subvar): Move to here.
692 * tree-ssa-operands.c: From here.
693 * tree-flow.h (overlap_subvar): Declare.
694 * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
695 * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
696 for variables with subvars.
698 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
701 * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
702 * modulo-sched.c (const_iteration_count): Return on NULL
704 (print_node_sched_params): Return on NULL dump_file.
705 (generate_reg_moves): Handle reg-anti dependencies and disregard
706 closing branch when generating register moves.
707 (sms_schedule): Mark the SMSed block dirty.
708 * passes.c (rest_of_handle_sms): Call update_life_info for all
710 * testsuite/gcc.dg/20050321-1.c: New test.
712 2005-03-21 Bob Wilson <bob.wilson@acm.org>
714 * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
715 * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
716 movqi_internal): Likewise.
718 2005-03-21 Bob Wilson <bob.wilson@acm.org>
720 * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
721 xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
722 xtensa_b4const): Delete prototypes.
723 (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
724 xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
725 (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
726 xtensa_extra_constraint): New prototypes.
727 (add_operand, arith_operand, nonimmed_operand, mem_operand,
728 mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
729 lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
730 move_operand, const_float_1_operand, fpmem_offset_operand,
731 branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
732 * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
733 (xtensa_b4const_or_zero): ...this. Change return type to bool and
734 argument type to HOST_WIDE_INT.
735 (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
736 xtensa_mask_immediate): Likewise.
737 (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
738 Likewise. Also make these functions static.
739 (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
740 (xtensa_const_ok_for_letter_p): New.
741 (add_operand, arith_operand, nonimmed_operand, mem_operand,
742 mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
743 lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
744 move_operand, const_float_1_operand, fpmem_offset_operand,
745 branch_operator, ubranch_operator, boolean_operator): Move to
747 (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
748 (xtensa_mem_offset): Change return type to bool.
749 (xtensa_extra_constraint): New.
750 (gen_int_relational): Update type of const_range_p function pointer.
751 Use xtensa_b4const_or_zero.
752 * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
753 xtensa_const_ok_for_letter_p. Update comments.
754 (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
755 (PREDICATE_CODES): Delete.
756 * config/xtensa/xtensa.md: Include predicates.md.
757 * config/xtensa/predicates.md: New file.
759 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
761 * config/v850/v850-protos.h: Remove the prototypes for
762 reg_or_int9_operand, reg_or_const_operand,
763 pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
764 reg_or_0_operand, reg_or_int5_operand, call_address_operand,
765 movsi_source_operand, power_of_two_operand,
766 not_power_of_two_operand, special_symbolref_operand,
767 pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
768 register_is_ok_for_epilogue.
769 * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
770 reg_or_int9_operand, reg_or_const_operand,
771 call_address_operand, special_symbolref_operand,
772 movsi_source_operand, power_of_two_operand,
773 not_power_of_two_operand, register_is_ok_for_epilogue,
774 pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
775 pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
777 * config/v850/v850.h (PREDICATE_CODES): Remove.
778 * config/v850/v850.md: Include predicates.md.
779 * config/v850/predicates.md: New.
781 2005-03-21 Zack Weinberg <zack@codesourcery.com>
783 * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
784 (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
785 (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
786 (itoolsdir, itoolsdatadir): Move definition above new first use.
787 (install-itoolsdirs): New rule.
788 (install-mkheaders): Depend on install-itoolsdirs, not
791 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
793 * tree-into-ssa.c: Remove obsolete comments.
795 2005-03-21 Richard Guenther <rguenth@gcc.gnu.org>
797 * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
798 unrolling if -fpeel-loops is specified, too.
799 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
800 Remove superfluous check for flag_unroll_loops.
802 2005-03-21 Uros Bizjak <uros@kss-loka.si>
804 * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
805 (lrint_optab, llrint_optab): Define corresponding macros.
806 * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
807 * genopinit.c (optabs): Implement lrint_optab using lrintsi2
808 pattern and llrint_optab using llrintdi2 patterns.
809 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
810 using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
811 (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
812 BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
813 flag_unsafe_math_optimizations is set.
815 2005-03-21 Paolo Bonzini <bonzini@gnu.org>
817 * combine.c (combine_simplify_rtx, simplify_if_then_else,
818 simplify_logical, if_then_else_cond, known_cond,
819 simplify_comparison): Adjust calls to reverse_comparison.
820 Don't use combine_reversed_comparison_code).
821 (combine_reversed_comparison_code): Remove.
822 (reversed_comparison): Using reversed_comparison_code, move it...
823 * jump.c (reversed_comparison): ... here.
824 * rtl.h (reversed_comparison): Add prototype.
826 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
828 * builtins.c (fold_builtin): Take decomposed arguments of
830 * fold-const.c (fold_ternary): Update a call to fold_builtin.
831 * gimplify.c (gimplify_call_expr): Likewise.
832 * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
833 * tree.h: Update the prototype of fold_builtin.
835 2005-03-21 Paolo Bonzini <bonzini@gnu.org>
837 * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
838 * rtlhooks.c (gen_lowpart_no_emit_general): New.
839 * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
840 (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
841 * simplify-rtx.c (simplify_binary_operation_1): Use it.
843 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
845 * builtins.c (fold_builtin_1): Take decomposed arguments of
847 (fold_builtin): Update a call to fold_builtin_1.
849 2005-03-21 Nathan Sidwell <nathan@codesourcery.com>
852 * gcov.c (output_lines): Only output function block summary when
853 outputting branch information.
854 * doc/gcov.texi: Document format of preamble and additional block
857 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
859 * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
860 (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
861 the defaults false if BITS_PER_UNIT != 8.
862 (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
863 (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
864 than BITS_PER_UNIT != 8.
865 (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
866 (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
867 (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
869 * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
870 (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
872 2005-03-20 Roger Sayle <roger@eyesopen.com>
875 * fold-const.c (fold_binary): Fix type mismatch between
876 TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
877 (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
878 for non-truth-valued expressions.
880 * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
881 and FUNCTION_DECL in the main switch.
882 <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
883 TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
884 we also need to convert their operands to match.
885 <TRUTH_NOT_EXPR>: Likewise.
887 2005-03-21 Joseph S. Myers <joseph@codesourcery.com>
889 * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
890 diagnostic without checking whether an lvalue.
891 * c-common.h (lvalue_p): Remove.
892 (enum lvalue_use): Update comment.
893 (lvalue_or_else): Replace by lvalue_error.
894 * c-typeck.c (lvalue_p): Make static.
895 (lvalue_or_else): New. Call lvalue_error.
897 2005-03-21 Alan Modra <amodra@bigpond.net.au>
899 * config/rs6000/rs6000.c (rs6000_parm_start): New function.
900 (function_arg_advance): Use rs6000_parm_start.
901 (function_arg, rs6000_arg_partial_bytes): Likewise.
903 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
905 * c-common.c (check_case_value): Adjust comment about stripping
907 (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
908 * c-typeck.c (default_conversion, convert_arguments,
909 build_modify_expr, convert_for_assignment, store_init_value,
910 digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
911 manually. Remove inaccurate comments.
913 2005-03-20 Roger Sayle <roger@eyesopen.com>
914 Joseph S. Myers <joseph@codesourcery.com>
916 * varasm.c (do_assemble_alias): Restore comment describing function.
917 Annotate the target parameter as potentially unused.
919 2005-03-20 Marek Michalkiewicz <marekm@amelek.gda.pl>
922 * config/avr/avr.c (avr_output_function_prologue): Do not use
923 current_function_name() in a label, use a local label instead.
925 2005-03-20 David Edelsohn <edelsohn@gnu.org>
927 * config/rs6000/rs6000.c (rs6000_generate_compare): Test
928 flag_finite_math_only, not flag_unsafe_math_optimizations.
930 2005-03-20 Kazu Hirata <kazu@cs.umass.edu>
932 * builtins.c (fold_builtin_1): Update a call to
933 targetm.fold_builtin.
934 * hooks.c (hook_tree_tree_bool_null): Rename to
935 hook_tree_tree_tree_bool_null. Take one more argument of type
937 * hooks.h: Update the prototype of hook_tree_tree_bool_null.
938 * target-def.h (TARGET_FOLD_BUILTIN): Define it as
939 hook_tree_tree_tree_bool_null.
940 * target.h (gcc_target): Update the prototype of fold_builtin.
941 * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
942 arguments of CALL_EXPR.
943 * doc/tm.texi (TARGET_FOLD_BUILTIN): Update. Mention the
946 2005-03-20 Jan Hubicka <jh@suse.cz>
948 * cgraph.h (cgraph_node): Add prev_clone pointer.
949 * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
950 (cgraph_clone_node): Produce doubly linked chain.
952 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
954 * c-common.c (handle_aligned_attribute, check_function_sentinel,
955 get_nonnull_operand, handle_sentinel_attribute,
956 check_function_arguments_recurse): Do not strip NOPS from
958 * c-decl.c (check_bitfield_type_and_width, build_enumerator):
960 * c-format.c (get_constant): Likewise.
961 * c-parser.c (c_parser_postfix_expression): Likewise.
962 * c-typeck.c (set_init_index): Likewise.
963 (convert_arguments): Don't check for NOP_EXPR containing integer
966 2005-03-20 Kazu Hirata <kazu@cs.umass.edu>
968 * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
969 fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
970 Take decomposed arguments of CALL_EXPR.
971 (fold_builtin_1): Update calls to the functions mentioned
974 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
976 * c-decl.c (check_bitfield_type_and_width): Require bit-field
977 width to have integer type.
978 (build_enumerator): Require enumerator value to have integer type.
980 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
982 * doc/extend.texi (__builtin_inf): Move statement about INFINITY
985 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
987 * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
988 std=iso9899:199x): Correct descriptions.
990 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
992 * config.gcc: Consistently use solaris2.1[0-9]* instead of
995 2005-03-19 Kazu Hirata <kazu@cs.umass.edu>
997 * builtins.c (fold_builtin_memcpy): Take decomposed arguments
999 (expand_builtin_memcpy, fold_builtin_1): Update calls to
1000 fold_builtin_memcpy.
1002 * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
1003 arguments of CALL_EXPR.
1004 (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
1005 fold_builtin_found, fold_builtin_1): Update calls to
1006 fold_trunc_transparent_mathfn.
1008 2005-03-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1011 * fold-const.c (fold_widened_comparison): Don't optimize casts of
1012 function pointers on targets that require function pointer
1014 (fold_sign_changed_comparison): Likewise.
1016 2005-03-19 Bernd Schmidt <bernd.schmidt@analog.com>
1018 * combine.c (try_combine): When changing the mode of a hard reg, make
1019 sure that doing so is valid.
1021 2005-03-19 Richard Sandiford <rsandifo@redhat.com>
1023 * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
1024 (TARGET_HANDLE_OPTION): Override default.
1025 (avr_handle_option): New function.
1026 * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
1027 (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
1028 (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
1029 (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
1030 (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
1031 (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
1032 (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
1033 (TARGET_OPTIONS): Delete.
1034 * config/avr/avr.opt: New file.
1036 2005-03-18 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
1038 * config/m32r/m32r-protos.h: Remove the prototypes for
1039 call_address_operand, symbolic_operand, seth_add3_operand,
1040 cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1041 reg_or_uint16_operand, reg_or_cmp_int16_operand,
1042 two_insn_const_operand, move_src_operand,
1043 move_double_src_operand, move_dest_operand,
1044 eqne_comparison_operator, signed_comparison_operator,
1045 large_insn_p, conditional_move_operand, carry_compare_operand,
1046 m32r_block_immediate_operand, extend_operand,
1047 reg_or_eq_int16_operand, int8_operand, and
1048 reg_or_zero_operand.
1049 * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1050 seth_add3_operand, int8_operand, cmp_int16_operand,
1051 uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1052 reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1053 reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1054 move_double_src_operand, move_dest_operand,
1055 eqne_comparison_operator, signed_comparison_operator,
1056 extend_operand, small_insn_p, large_insn_p,
1057 conditional_move_operand, carry_compare_operand,
1058 m32r_block_immediate_operand): Move to predicates.md.
1059 (MAX_MOVE_BYTES): Move to m32r.h.
1060 * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1061 * config/m32r/m32r.md: Include predicates.md.
1062 * config/m32r/predicates.md: New.
1064 2005-03-18 James E Wilson <wilson@specifixinc.com>
1067 * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
1070 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
1072 * config/mn10300/mn10300-protos.h: Remove the prototypes for
1073 call_address_operand, const_8bit_operand.
1074 * config/mn10300/mn10300.c (call_address_operand,
1075 const_8bit_operand, const_1f_operand): Move to predicates.md.
1076 * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
1077 * config/mn10300/mn10300.md: Include predicates.md.
1078 * config/mn10300/predicates.md: New.
1080 2005-03-18 Joseph S. Myers <joseph@codesourcery.com>
1082 * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
1083 declarations in diagnostics and %E for identifiers, not %s.
1085 2005-03-18 Jan Hubicka <jh@suse.cz>
1086 Dale Johannesen <dalej@apple.com>
1088 * basic-block.h (scale_bbs_frequencies_int,
1089 scale_bbs_frequencies_gcov_type): Declare.
1090 * cfg.c (RDIV): New macro.
1091 (update_bb_frequency_for_threading): Fix.
1092 * basic-block.h (scale_bbs_frequencies_int,
1093 scale_bbs_frequencies_gcov_type): New.
1094 * cfgloopmanip.c (scale_bbs_frequencies): Kill.
1095 (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
1096 scale_bbs_frequencies_int.
1097 * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
1099 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
1101 * config/m32r/m32r-protos.h: Remove the prototypes for
1102 call_address_operand, symbolic_operand, seth_add3_operand,
1103 cmp_int16_operand, uint16_operand, reg_or_int16_operand,
1104 reg_or_uint16_operand, reg_or_cmp_int16_operand,
1105 two_insn_const_operand, move_src_operand,
1106 move_double_src_operand, move_dest_operand,
1107 eqne_comparison_operator, signed_comparison_operator,
1108 large_insn_p, conditional_move_operand, carry_compare_operand,
1109 m32r_block_immediate_operand, extend_operand,
1110 reg_or_eq_int16_operand, int8_operand, and
1111 reg_or_zero_operand.
1112 * config/m32r/m32r.c (call_address_operand, symbolic_operand,
1113 seth_add3_operand, int8_operand, cmp_int16_operand,
1114 uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
1115 reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
1116 reg_or_zero_operand, two_insn_const_operand, move_src_operand,
1117 move_double_src_operand, move_dest_operand,
1118 eqne_comparison_operator, signed_comparison_operator,
1119 extend_operand, small_insn_p, large_insn_p,
1120 conditional_move_operand, carry_compare_operand,
1121 m32r_block_immediate_operand): Move to predicates.md.
1122 (MAX_MOVE_BYTES): Move to m32r.h.
1123 * config/m32r/m32r.h (PREDICATE_CODES): Remove.
1124 * config/m32r/m32r.md: Include predicates.md.
1125 * config/m32r/predicates.md: New.
1127 * config/pa/pa-protos.h: Add prototypes for magic_milli and
1129 * config/pa/pa.c (reg_or_0_operand, call_operand_address,
1130 symbolic_operand, symbolic_memory_operand,
1131 reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
1132 indexed_memory_operand, move_dest_operand, move_src_operand,
1133 prefetch_cc_operand, prefetch_nocc_operand,
1134 reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
1135 arith_operand, arith11_operand, pre_cint_operand,
1136 post_cint_operan, arith_double_operand, ireg_or_int5_operand,
1137 ireg_operand, int5_operand, uint5_operand, int11_operand,
1138 uint32_operand, arith5_operand, and_operand, ior_operand,
1139 lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
1140 pc_or_label_operand, div_operand, plus_xor_ior_operator,
1141 shadd_operand, movb_comparison_operator,
1142 cmpib_comparison_operator): Move to predicates.md.
1143 (magic_milli, shadd_constant_p): Make it extern.
1144 * config/pa/pa.h (PREDICATE_CODES): Remove.
1145 * config/pa/pa.md: Include predicates.md.
1146 * config/pa/predicates.md: New.
1148 * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
1151 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
1153 * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
1154 config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1155 config/alpha/freebsd.h, config/alpha/linux.h,
1156 config/alpha/netbsd.h, config/alpha/osf5.h,
1157 config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
1158 config/h8300/h8300-protos.h, config/h8300/h8300.c,
1159 config/h8300/h8300.h, config/ia64/unwind-ia64.c,
1160 doc/cppopts.texi: Update copyright.
1162 2005-03-18 Jan Hubicka <jh@suse.cz>
1165 * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
1167 * varasm.c (find_decl_and_mark_needed): Mark needed only when not
1170 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
1172 * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
1175 2005-03-18 Paolo Bonzini <bonzini@gnu.org>
1177 * combine.c (gen_binary): Remove.
1178 (known_cond, simplify_shift_const, find_split_point,
1179 combine_simplify_rtx, simplify_if_then_else, simplify_set,
1180 simplify_logical, expand_field_assignment, extract_left_shift,
1181 force_to_mode, if_then_else_cond, apply_distributive_law,
1182 simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
1183 simplify_comparison, reversed_comparison): Replace with
1184 simplify_gen_binary, simplify_gen_relational or
1185 distribute_and_simplify_rtx.
1186 (distribute_and_simplify_rtx): New function.
1188 2005-03-18 Alexey Neyman <alex.neyman@auriga.ru>
1189 Paolo Bonzini <gcc.gnu.org>
1191 * calls.c (setjmp_call_p, special_function_p): Update comments
1192 at the head of the functions.
1194 2005-03-18 Jan Hubicka <jh@suse.cz>
1196 * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
1198 * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
1199 function body should be released; do not proactively release function
1200 bodies in non-unit-at-a-time mode.
1202 2005-03-18 Ralf Corsepius <ralf.corsepius@rtems.org>
1204 * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
1205 mno-fp-ret-in-387 multilib variants.
1207 2005-03-18 Richard Sandiford <rsandifo@redhat.com>
1209 * common.opt (m): Remove.
1210 * opts.c (handle_option): Pass 'm' options to set_target_switch if
1212 (common_handle_option): Remove OPT_m case.
1214 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
1216 * builtins.c (fold_builtin_bitop): Take decomposed arguments
1218 (fold_builtin_1): Update a call to fold_builtin_bitop.
1220 * builtins.c (fold_builtin_signbit): Take decomposed arguments
1222 (fold_builtin_1): Update a call to fold_builtin_signbit.
1224 2005-03-17 Dorit Naishlos <dorit@il.ibm.com>
1226 PR tree-optimization/20474
1227 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
1228 size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
1230 2005-03-17 Kazu Hirata <kazu@cs.umass.edu>
1232 * config/h8300/h8300-protos.h: Remove prototypes for
1233 general_operand_src, general_operand_dst, single_one_operand,
1234 single_zero_operand, call_insn_operand,
1235 two_insn_adds_subs_operand, small_call_insn_operand,
1236 jump_address_operand, bit_operand, bit_memory_operand,
1237 stack_pointer_operand, const_int_gt_2_operand,
1238 const_int_ge_8_operand, const_int_qi_operand,
1239 const_int_hi_operand, incdec_operand, bit_operator,
1240 nshift_operator, eqne_operator, gtle_operator,
1241 gtuleu_operator, iorxor_operator.
1242 Add prototypes for h8sx_shift_type h8sx_classify_shift and
1243 h8300_ldm_stm_parallel.
1244 * config/h8300/h8300.c (h8sx_shift_type,): Move to
1246 (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
1247 SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
1248 (h8300_ldm_stm_parallel): Make it extern.
1249 (h8300_ldm_parallel, h8300_stm_parallel,
1250 h8300_return_parallel, general_operand_src,
1251 general_operand_dst, h8300_dst_operand, h8300_src_operand,
1252 nibble_operand, reg_or_nibble_operand, single_one_operand,
1253 single_zero_operand, call_insn_operand,
1254 two_insn_adds_subs_operand, small_call_insn_operand,
1255 jump_address_operand, bit_operand, bit_memory_operand,
1256 stack_pointer_operand, const_int_gt_2_operand,
1257 const_int_ge_8_operand, const_int_qi_operand,
1258 const_int_hi_operand, incdec_operand, eqne_operator,
1259 gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
1260 h8sx_binary_memory_operator, h8sx_unary_memory_operator,
1261 h8sx_unary_shift_operator, h8sx_binary_shift_operator,
1262 nshift_operator): Move to predicates.md.
1263 * config/h8300/h8300.h (PREDICATE_CODES): Remove.
1264 * config/h8300/h8300.md: Include predicates.md.
1265 * config/h8300/predicates.md: New.
1267 2005-03-17 Richard Henderson <rth@redhat.com>
1269 * config.gcc (ia64*-*-hpux*): Add extra_options.
1270 * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
1271 (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1272 * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
1273 (ia64_tls_size_string, ia64_tune_string): Remove.
1274 (ia64_tune): Init to PROCESSOR_ITANIUM2.
1275 (TARGET_DEFAULT_TARGET_FLAGS): New.
1276 (TARGET_HANDLE_OPTION): New.
1277 (ia64_override_options): Move options parsing ...
1278 (ia64_handle_option): ... here. New.
1279 * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
1280 MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
1281 MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
1282 MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
1283 MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
1284 MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1285 MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1286 TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1287 TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1288 TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1289 TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1290 TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1291 TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1292 TARGET_EARLY_STOP_BITS): Remove.
1293 (TARGET_ILP32): Default false.
1294 (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1295 (enum ia64_inline_type): New.
1296 (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1297 * config/ia64/ia64.md: Update for new definitions of
1298 TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1299 * config/ia64/ia64.opt: New file.
1300 * config/ia64/ilp32.opt: New file.
1302 2005-03-17 H.J. Lu <hongjiu.lu@intel.com>
1305 * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1307 2005-03-17 Kazu Hirata <kazu@cs.umass.edu>
1309 * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1310 instead of MASK_H8300S.
1311 * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1312 MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1313 MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1314 MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1315 TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1316 TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1317 TARGET_SWITCHES): Remove.
1318 (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1320 * config/h8300/h8300.opt: New.
1322 * config/alpha/alpha.opt, config/arc/arc.opt,
1323 config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1326 2005-03-17 Ian Lance Taylor <ian@airs.com>
1330 2005-03-17 Richard Sandiford <rsandifo@redhat.com>
1332 * config/arc/arc.c (arc_cpu_string): Make static. Default to "base"
1333 (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1334 (TARGET_HANDLE_OPTION): Override default.
1335 (arc_handle_option): New function.
1336 (arc_init): Remove code to set arch_cpu_string.
1337 * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1338 (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1339 (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1340 (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1341 (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1342 (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1343 (arc_rodata_string, TARGET_OPTIONS): Delete.
1344 * config/arc/arc.opt: New file.
1346 2005-03-17 Richard Henderson <rth@redhat.com>
1348 * doc/extend.texi (Weak Pragmas): New section.
1349 (attribute alias): Clarify that target must be in the same
1352 2005-03-17 Richard Henderson <rth@redhat.com>
1354 * config/alpha/alpha.opt: New file.
1355 * config/alpha/alpha.c (alpha_tune): New. Rename all existing uses
1357 (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1358 alpha_fprm_string, alpha_fptm_string): Make static.
1359 (alpha_tls_size_string): Remove.
1360 (alpha_handle_option): New.
1361 (override_options): Update for alpha_cpu/alpha_tune split.
1362 (alpha_file_start): Likewise.
1363 (TARGET_DEFAULT_TARGET_FLAGS): New.
1364 (TARGET_HANDLE_OPTION): New.
1365 * config/alpha/alpha.h (alpha_tune): Declare.
1366 (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1367 MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1368 MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1369 TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1370 TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1371 TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1372 MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1373 MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1374 TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1375 TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1376 (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1377 (TARGET_DEFAULT): Remove MASK_FP.
1378 (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1379 (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1380 (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1381 alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1382 alpha_tls_size_string): Remove.
1383 * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1384 (attribute tune): Rename from attribute cpu.
1385 * config/alpha/ev4.md: Update to match.
1386 * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1387 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1388 * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1389 * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1390 * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1391 * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1393 2005-03-16 James E. Wilson <wilson@specifixinc.com>
1395 * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1396 and return without creating new state if before_nops_num is nonzero.
1397 * config/ia64/ia64.md (first_insn): New attribute.
1398 (alloc): Set it to yes.
1400 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
1402 * tree-vectorizer.c (new_vec_stmt_info): Initialize
1403 STMT_VINFO_SUBVARS to NULL.
1404 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1406 2005-03-16 Dale Johannesen <dalej@apple.com>
1408 * rtlanal.c (find_first_parameter_load): Rewrite to
1409 return actual first param load or the call if none,
1410 instead of first in block, when not all loads exist.
1412 2005-03-16 Roger Sayle <roger@eyesopen.com>
1414 * optabs.c (expand_copysign_absneg): Make static.
1415 * optabs.h (expand_copysign_absneg): Delete prototype.
1416 * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1418 2005-03-16 Richard Henderson <rth@redhat.com>
1421 * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1422 (alias_pairs): Rename from output_defs.
1423 (find_decl_and_mark_needed): Split out from assemble_alias.
1424 (do_assemble_alias): New.
1425 (assemble_output_def): Remove.
1426 (finish_aliases_1, finish_aliases_2): New.
1427 (process_pending_assemble_output_defs): Remove.
1428 (assemble_alias): Defer aliases for which we don't yet have a
1429 non-external decl for the target symbol.
1430 * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1431 * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1432 * toplev.c (compile_file): Use finish_aliases_2 instead of
1433 process_pending_assemble_output_defs.
1434 * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1435 (process_pending_assemble_output_defs): Remove.
1437 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
1439 Fix PR tree-optimization/20489
1441 * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1442 for empty structures.
1444 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
1446 Fix PR tree-optimization/20490
1448 * tree-ssa-pre.c (create_expression_by_pieces): Use
1449 force_gimple_operand on result of fold.
1451 2005-03-16 Andrew Pinski <pinskia@physics.uc.edu>
1453 * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1454 of closing parenthesis.
1456 2005-03-16 Kazu Hirata <kazu@cs.umass.edu>
1458 * builtins.c (expand_movstr): Update a call to
1459 fold_builtin_strcpy.
1460 (expand_builtin_strncpy): Update a call to
1461 fold_builtin_strncpy.
1462 (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1463 arguments of CALL_EXPR.
1464 (fold_builtin_1): Update calls to fold_builtin_strcpy and
1465 fold_builtin_strncpy.
1466 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1467 * tree.h: Update the prototypes of fold_builtin_strcpy and
1468 fold_builtin_strncpy.
1470 2005-03-16 Steven Bosscher <stevenb@suse.de>
1471 Dorit Naishlos <dorit@il.ibm.com>
1473 * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1474 UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1477 2005-03-16 Steven Bosscher <stevenb@suse.de>
1479 * tree-inline.c (walk_type_fields, walk_tree,
1480 walk_tree_without_duplicates): Move from here...
1481 * tree.c: ...to here.
1483 2005-03-15 Zack Weinberg <zack@codesourcery.com>
1485 * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1486 * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1487 (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1488 (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1489 (version): Define using $(BASEVER_c).
1490 (Makefile, config.status, build/gcov-iov.o): No longer depends on
1492 (version.o): Depend on version files; add custom generation command.
1493 (prefix.o): Define BASEVER on command line.
1494 (s-iov): Depend on version files; adjust command.
1495 (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1497 (gcc-vers.texi): New rule.
1498 (doc/%.info, doc/%.dvi): Add -I . to command line.
1499 (doc/gccinstall.dvi): Likewise.
1500 (PACKAGE): Delete. All uses replaced with "gcc".
1501 * aclocal.m4: Do not include gcc-version.m4.
1502 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1503 Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1504 Set is_release based on contents of DEV-PHASE.
1505 Set gcc_version based on contents of BASE-VER.
1506 Define WIN32_REGISTRY_KEY only if the user overrode the default.
1507 * config.in, configure: Regenerate.
1508 * gccbug.in: Determine version of GCC in use at runtime.
1509 * gcov-iov.c: Get version number and development phase from
1510 command line, not by including version.c.
1511 * intl.c: Replace all uses of PACKAGE with "gcc".
1512 * libada-mk.in: Delete unused "gcc_version" variable.
1513 * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1514 * version.c: (VERSUFFIX): New hook for redistributors; adjust
1515 commentary to match.
1516 (version_string): Put together from pieces.
1517 * config/alpha/x-vms: Do not use $(gcc_version).
1518 * config/i386/t-nwld: Likewise.
1519 * doc/include/gcc-common.texi: Include gcc-vers.texi for
1520 version-GCC and DEVELOPMENT.
1522 2005-03-15 Roger Sayle <roger@eyesopen.com>
1524 PR tree-optimization/17454
1525 * tree.c (tree_size): Add case for TREE_BINFO.
1526 * fold-const.c (fold_checksum_tree): Only clear the overloaded
1527 field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1529 2005-03-15 Roger Sayle <roger@eyesopen.com>
1531 * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1532 op1 whilst expanding the signed widenening multiply variant.
1534 2005-03-15 Richard Sandiford <rsandifo@redhat.com>
1536 * toplev.c (display_target_options): Avoid unused variable warning if
1537 TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1538 * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1539 (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1540 (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1541 (mips_isa_info): New variable.
1542 (mips_parse_cpu): Remove the first argument and leave the caller
1544 (TARGET_HANDLE_OPTION): Override default.
1545 (mips_handle_option): New function. Move option validation code from...
1546 (override_options): ...here. Update calls to mips_parse_cpu.
1547 * config/mips/mips.h (mips_arch_string, mips_tune_string)
1548 (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1549 (SUBTARGET_TARGET_OPTIONS): Delete.
1550 * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1551 (mno-flush-func, mtune=): New options.
1553 2005-03-15 Roger Sayle <roger@eyesopen.com>
1554 Richard Henderson <rth@redhat.com>
1556 * real.c (c4x_single_format, c4x_extended_format): Provide values
1557 for signbit_ro for c4x's single and extended floating point formats.
1558 * optabs.c (expand_copysign): Use the floating point format's
1559 signbit_ro for expanding via expand_copysign_absneg, and it's
1560 signbit_rw field for expanding via expand_copysign_bit.
1562 2005-03-15 Dorit Naishlos <dorit@il.ibm.com>
1564 * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1565 known_alignment_for_access_p.
1566 (known_alignment_for_access_p): New.
1567 (do_peeling_for_alignment): Field made int instead of bool and renamed
1568 to peeling_for_alignment.
1569 (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1570 * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1571 functionality used to be in vect_analyze_operations.
1572 (vect_analyze_operations): Code to determine vectorization factor was
1573 moved to vect_determine_vectorization_factor.
1574 (vect_enhance_data_refs_alignment): Update to correct alignment when it
1575 is known instead of -1. Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1577 (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1578 be part of vect_analyze_operations).
1579 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1580 creating the guard condition, as the number of iterations may be
1582 (slpeel_tree_peel_loop_to_edge): Use new name of
1583 LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1584 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1585 alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1586 (vect_do_peeling_for_alignment): Use fold.
1587 (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1589 (vect_update_inits_of_dr): Renamed to
1590 vect_update_init_of_dr.
1591 (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1592 (vectorizable_store): Fix assertion to use == instead of =.
1594 2005-03-15 Daniel Jacobowitz <dan@codesourcery.com>
1596 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1597 call_used_regs for wCG registers.
1599 2005-03-15 Ulrich Weigand <uweigand@de.ibm.com>
1601 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1602 for non-offsettable memory references to cope with outstanding reload
1603 replacements, take 2.
1605 2005-03-15 Uros Bizjak <uros@kss-loka.si>
1608 * config/i386/i386.h (x86_fisttp): New.
1609 (TARGET_FISTTP): New macro.
1610 * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1611 (output_fix_trunc): Add fisttp parameter. Generate fisttp x87
1612 instruction when fisttp flag is set.
1613 * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1615 * config/i386/i386.md (type attribute): Add fisttp.
1616 (unit attribute): Set to i387 for fisttp type.
1617 (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1618 (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1620 (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1621 Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1623 (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1624 patterns for TARGET_FISTTP. Enable patterns for
1625 (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1626 (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1627 fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1628 implement fisttp x87 insn.
1629 (fix_trunc*_i387_fisttp splitters): New patterns.
1630 (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1631 Rename to *fix_trunc<mode>_i387_1. Implement using mode macros.
1632 Disable patterns for TARGET_FISTTP. Add comment about FLAGS_REG
1634 (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1635 Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1636 Implement using mode macros. Disable patterns for TARGET_FISTTP.
1637 (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1638 fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1639 fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1640 Disable patterns for TARGET_FISTTP.
1641 (fix_trunc*_i387 splitters): Implement usign mode macros.
1642 (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1643 fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1644 (fix_trunx*_sse peephole2s): Implement using mode macros.
1646 2005-03-15 J"orn Rennecke <joern.rennecke@st.com>
1648 PR rtl-optimization/20291
1649 * combine.c (try_combine): If splitting fails, re-try with
1650 original combined pattern, i.e. before clobber stripping.
1652 2005-03-14 Eric Christopher <echristo@redhat.com>
1654 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1655 STACK_GROWS_DOWNWARD.
1657 2005-03-14 Roger Sayle <roger@eyesopen.com>
1659 * real.h (struct real_format): Split the signbit field into two
1660 two fields, signbit_ro and signbit_rw.
1661 * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1662 mips_double_format, ieee_extended_motorola_format,
1663 ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1664 ieee_extended_intel_128_format, ibm_extended_format,
1665 mips_extended_format, ieee_quad_format, mips_quad_format,
1666 vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1667 i370_double_format, c4x_single_format, c4x_extended_format,
1668 real_internal_format): Update initializers for new field.
1669 * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1670 real_format structure.
1671 * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1672 field of the real_format structure.
1674 2005-03-14 Daniel Berlin <dberlin@dberlin.org>
1676 Fix PR tree-optimization/20458
1678 * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1679 DECL_EXTERNAL on STRUCT_FIELD tags.
1680 (clear_call_clobbered): Ditto.
1681 * tree-ssa-operands.c (note_addressable): Make sure the original
1682 variable doesn't slip into the addressable list if we have
1684 * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1687 2005-03-14 Geoffrey Keating <geoffk@apple.com>
1689 * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1690 (-fwide-exec-charset): Likewise.
1691 (-finput-charset): Likewise.
1692 * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1693 * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1694 * c.opt (Wnormalized): New.
1696 2005-03-14 Devang Patel <dpatel@apple.com>
1698 * doc/invoke.texi: Add reference to Visibility document.
1700 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
1702 * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1703 MASK_SPLIT_ADDRESSES.
1704 * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1705 (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1706 (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1707 (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1708 (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1709 (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1710 (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1711 (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1712 (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1713 (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1714 (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1715 (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1716 (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1717 (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1718 (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1719 (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1720 (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1721 (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1722 (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1723 (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1724 (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1725 (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1726 (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1727 (TARGET_EXPLICIT_RELOCS): Delete.
1728 (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1729 (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1730 * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1731 (override_options): Set MASK_LONG64 if -mint64 is given and no
1732 -mlongXX option is. Complain about -mint64 -mlong32.
1733 (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1734 MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1735 * config/mips/mips.opt: New file.
1737 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
1739 * config.gcc (extra_options): New variable for listing option files.
1740 Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1741 * configure.ac (extra_opt_files): New AC_SUBST variable.
1742 (tm_file_list, tm_include_list): Include options.h first.
1743 * configure: Regenerate.
1744 * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1745 (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1746 (s-options-h): New rule.
1747 (options.h): Depend on it.
1748 (TEXI_GCCINT_FILES): Add options.texi.
1749 * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1750 * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1751 * target.h (gcc_target): Add default_target_flags and handle_option.
1752 * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1753 (TARGET_HANDLE_OPTION): New macros.
1754 (TARGET_INITIALIZER): Include them.
1755 * opt-functions.awk (opt_args, nth_arg): New functions.
1756 (switch_flags): Handle the "Target" flag.
1758 (var_name): Use opt_args and nth_arg.
1759 (var_set, var_ref): Likewise. Handle "Mask" and "InverseMask".
1760 * opth-gen.awk: Declare target_flags. Declare MASK_* and TARGET_*
1761 macros for the "Mask" and "InverseMask" options.
1762 * opts.h (cl_var_cond): New enum.
1763 (cl_option): Replace the "has_set_value" and "set_value" fields with
1764 "var_cond" and "var_value".
1765 (CL_TARGET): New macro.
1766 (option_enabled, print_filtered_help): Declare.
1767 (decode_options): Move definition.
1768 * opts.c (handle_option): Search for the original option before
1769 removing any "no-" prefix. Handle CL_TARGET. Adjust for the new
1770 var_cond and var_value fields. Use targetm.handle_option to handle
1772 (decode_options): Set target_flags to targetm.default_target_flags.
1773 (print_filtered_help): Make global. Handle CL_TARGET.
1774 (option_enabled): New function.
1775 * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1776 (display_target_options, set_target_switch, print_switch_values)
1777 (default_pch_valid_p): Guard uses of target_switches with
1778 #ifdef TARGET_SWITCHES. Also...
1779 (display_target_options): Display the CL_TARGET entries in cl_options.
1780 (set_target_option): Don't complain about the "" option when
1781 TARGET_SWITCHES is undefined.
1782 (print_switch_values): Use option_enabled.
1783 (default_pch_valid_p): Check cl_options[] when looking for something
1784 that has changed the value of target_flags.
1785 * c.opt: Remove documentation from top of file.
1786 * doc/gccint.texi: Add an "Options" chapter. Include options.texi.
1787 * doc/sourecebuild.texi: Refer to the new options documentation
1788 instead of c.opt. Document machine-specific .opt files.
1789 * doc/tm.texi (target_flags): Say that this variable is declared
1791 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1792 (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1794 * doc/options.texi: New file.
1796 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
1799 * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1802 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
1805 * gimplify.c (gimplify_cond_expr): Add fallback argument. Use a
1806 temporary variable of pointer type if an lvalues is required.
1807 (gimplify_modify_expr_rhs): Request an rvalue from it.
1808 (gimplify_expr): Pass fallback on.
1810 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
1812 * cfgbuild.c: Update comments.
1814 2005-03-14 Roger Sayle <roger@eyesopen.com>
1816 PR rtl-optimization/17236
1817 * optabs.c (expand_doubleword_mult): New helper function split out
1818 from expand_binop. Permute the order in which instructions are
1819 emitted to minimize the number of simultaneously live registers.
1820 (expand_binop): Call expand_doubleword_mult to synthesize a double
1821 word multiplication.
1823 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
1825 * basic-block.h: Update the prototypes of cached_make_edge and
1827 * cfg.c (cached_make_edge): Take edge_cache representing one
1828 row of the adjacency matrix of edges.
1829 * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1830 (make_edges): Initialize edge_cache to represent one row of
1831 the adjacency matrix of edges.
1833 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
1835 * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1837 (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1838 Remove unused removed_phis variable.
1839 (conditional_replacement): Use build1/build2.
1840 (abs_replacement): Use last_and_only_stmt and build1/build2.
1842 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
1844 * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1845 ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1846 * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1847 (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1848 * c-common.c (handle_novops_attribute): New function.
1849 (c_common_attribute_table): Add "no vops" entry.
1850 * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1851 * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1852 * tree-ssa-operands.c (get_call_expr_operands): Do not
1853 create virtual operands for calls with ECF_NOVOPS flag.
1854 * tree.h (DECL_IS_NOVOPS): New macro.
1855 (struct tree_decl): Add novops_flag.
1856 (ECF_NOVOPS): New constant.
1858 2005-03-14 Uros Bizjak <uros@kss-loka.si>
1861 * config/i386/i386.c (x86_use_himode_fiop): New.
1862 (x86_use_simode_fiop): Rename from x86_use_fiop.
1863 * config/i386/i386.h (x86_use_himode_fiop): Declare.
1864 (TARGET_USE_HIMODE_FIOP): New.
1865 (x86_use_simode_fiop): Rename from x86_use_fiop.
1866 (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1868 * config/i386/i386.md (X87MODEI12): New mode macro define.
1869 (*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
1870 to implement x87 FP compare with HImode input operands.
1871 (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1872 Use X87MODEI12 mode macro to handle HImode input operands.
1873 (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1874 *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1875 Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1876 *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1877 macro to implement x87 operators with HImode input operands.
1878 (fop splitters): Use X87MODEI12 mode macro to handle HImode
1881 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
1883 * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1885 * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1886 constants invariant.
1888 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
1890 * basic-block.h (BB_VISITED): Removed.
1891 * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1893 2005-03-14 Falk Hueffner <falk@debian.org>
1896 * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1898 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
1900 * ggc-zone.c: Fix comment typos.
1902 * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1903 stringpool.c, config/mips/mips-protos.h: Update copyright.
1905 2005-03-14 Alan Modra <amodra@bigpond.net.au>
1907 * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1908 throughout with its typedef, "rtx".
1909 * config/rs6000/rs6000.c: Likewise. Formatting fixes.
1910 (rs6000_tls_symbol_ref_1): Remove inline keyword.
1911 * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder
1912 regs in comment to match code.
1914 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
1916 * except.c (check_handled): Make it static.
1917 * except.h: Remove the corresponding prototype.
1919 * function.c (get_func_frame_size): Make it static.
1920 * function.h: Remove the corresponding type.
1922 * regclass.c (reg_class_superclasses, reg_class_subclasses):
1924 * hard-reg-set.h: Remove the corresponding declarations.
1926 * tree-cfg.c (verify_stmts): Check that
1927 bb_for_stmt (stmt) == bb for every PHI node and statement.
1929 2005-03-14 Alan Modra <amodra@bigpond.net.au>
1931 * config.gcc: Remove excess indentation.
1932 (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1934 2005-03-13 Roger Sayle <roger@eyesopen.com>
1937 * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1938 * fold-const.c (fold_sign_changed_comparison): Likewise.
1939 (fold_binary): Optimize comparisons against widened operands if
1940 the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1942 2005-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1944 * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1945 (sparc_override_options): Initialize it.
1946 (sparc_struct_value_rtx): Set it on the MEM to be returned.
1948 2005-03-13 David Edelsohn <edelsohn@gnu.org>
1950 * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1951 (reg_or_none500mem_operand): New predicate.
1952 (zero_reg_mem_operand): New predicate.
1953 * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1954 to reg_or_none500mem_operand.
1955 (extendsfdf2_fpr): Add MEM alternative.
1956 (extenddftf2_internal): Change operand2 predicate to
1957 zero_reg_mem_operand.
1959 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
1961 * ggc-zone.c: Rewritten.
1963 * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1965 * configure.ac: Define GGC_ZONE for --with-gc=zone.
1966 * config.in: Regenerated.
1967 * configure: Regenerated.
1968 * gengtype.c (write_types_process_field, write_func_for_structure):
1969 Pass new argument to gt_pch_note_object.
1970 * ggc-common.c (struct ptr_data): Add TYPE.
1971 (gt_pch_note_object): Take TYPE argument and save it.
1972 (call_count): Update call to ggc_pch_count_object.
1973 (call_alloc): Update call to ggc_pch_alloc_object.
1974 (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1976 * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1977 * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1978 (ggc_alloc_zone_stat): Delete.
1979 (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1980 * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1981 (ggc_pch_alloc_object): Update prototypes.
1982 (garbage_zone): Delete.
1983 (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1984 GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into
1986 (tree_id_zone): New variable.
1987 (ggc_alloc_cleared_zone): Remove unused.
1988 (ggc_alloc_zone): Define.
1989 (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1990 * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1991 ggc_alloc_zone_stat.
1992 * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1993 * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1994 (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1995 (make_node_stat): Likewise. Use tree_id_zone.
1997 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
1998 Joseph S. Myers <joseph@codesourcery.com>
2000 * configure.ac: Check for MIPS TLS.
2001 * configure: Regenerated.
2002 * config/mips/mips-protos.h (enum mips_symbol_type): Add
2003 SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
2004 SYMBOL_GOTTPREL, and SYMBOL_TPREL.
2005 * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
2006 (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
2007 (mips_classify_symbol, mips_symbolic_constant_p)
2008 (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
2009 (mips_tls_operand_p, mips_call_tls_get_addr)
2010 (mips_legitimize_tls_address, mips_cannot_force_const_mem)
2011 (mips_tls_symbol_ref_1): New functions.
2012 (mips_legitimize_address, mips_legitimize_const_move): Call
2013 mips_legitimize_tls_address.
2014 (override_options): Handle V1_REG and TLS symbols. Disable TLS
2016 * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
2017 (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
2018 (mips_char_to_class): Document V1_REG.
2019 (HAVE_AS_TLS): Provide default.
2020 * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
2022 (load_got<mode>): Renamed from *load_got<mode>. Allow when
2024 (tls_get_tp_<mode>): New instruction.
2026 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
2028 * configure.ac: Update checks for target tools.
2029 * configure: Regenerated.
2031 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
2033 * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
2035 2005-03-13 Roger Sayle <roger@eyesopen.com>
2037 * expmed.c (expand_mult): Use synthetic multiplication sequences for
2038 more classes of DImode multiplication by constant. Allow both
2039 multiplication by small negative constants (by performing a
2040 multiplication by a positive constant and negating the result) and
2041 multiplications by large powers of two, by using a left shift.
2043 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
2045 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
2046 of basic blocks into work_stack.
2048 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
2049 config/mips/vr.h: Update copyright.
2051 * c-decl.c (c_init_decl_processing): Remove useless calls to
2052 build_function_type.
2054 * builtins.c (fold_trunc_transparent_mathfn,
2055 fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
2056 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
2057 fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
2058 fold_builtin_strcpy, fold_builtin_strncpy,
2059 fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
2062 * builtins.c (expand_builtin_mathfn_3): Remove local variable
2065 * lambda-code.c (lambda_compute_auxillary_space): Remove local
2066 variable determinant.
2068 * tree-cfg.c (group_case_labels): Remove local variable type.
2070 * tree-ssa-live.c (build_tree_conflict_graph): Remove local
2073 * tree-ssa-phiopt.c (value_replacement): Remove local variable
2076 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
2079 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
2080 (*movmemqi_insn): Delete.
2081 (*movmemhi): Delete.
2083 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
2085 * builtins.c (fold_builtin_classify): Take decomposed
2086 arguments of CALL_EXPR.
2087 (fold_builtin_1): Update a call to fold_builtin_classify.
2089 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
2092 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
2093 through into call to parser_xref_tag after parse error.
2094 (c_parser_struct_declaration): Consistently return NULL_TREE on
2097 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
2099 * tree-flow-inline.h (ref_contains_array_ref): New function.
2100 (lookup_subvars_for_var): Ditto.
2101 (get_subvars_for_var): Ditto.
2102 (var_can_have_subvars): Ditto.
2104 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
2105 (struct subvar): New type.
2107 * tree-dfa.c (okay_component_ref_for_subvars): New function.
2109 * tree-optimize.c (init_tree_optimization_passes): Call
2110 pass_create_structure_vars.
2112 * tree-ssa-alias.c: Include vec.h.
2113 (init_alias_info): Don't auto-clear call clobbered on struct-field
2115 (compute_flow_insensitive_aliasing): Handle subvars.
2116 (group_aliases): Handle STRUCT_FIELD aliases.
2117 (setup_pointers_and_addressables): Ditto.
2118 Don't mark variables non-addressable if they still have
2119 addressable subvars.
2120 Also mark subvars addressable when the real variable is marked
2122 (add_pointed_to_var): Try to prune the pointed-to set by only
2123 pointing to subvars when possible.
2124 Otherwise, make sure we set addresses_needed and pt_vars to
2125 properly include subvars.
2126 (bitpos_of_field): New function.
2127 (push_fields_onto_fieldstack): Ditto.
2128 (get_or_create_used_part_for): Ditto.
2129 (create_overlap_variables_for): Ditto.
2130 (find_used_portions): Ditto.
2131 (create_structure_vars): Ditto.
2132 (pass_create_structure_vars): New structure.
2134 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
2135 (get_expr_operands): Handle subvars. Also try to turn
2136 COMPONENT_REF accesses into must-defs now that we can accurately
2138 (note_addressable): Try to only mark as addressable those subvars
2139 we know a COMPONENT_REF touches.
2140 (overlap_subvar): New function.
2142 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
2143 Handle subvar storing.
2144 (vect_address_analysis): Update caller of vect_object_analysis.
2146 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
2148 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
2149 (STMT_VINFO_SUBVARS): New macro.
2151 * common.opts: add flag_tree_salias.
2153 * opts.c (decode_options): flag_tree_salias defaults to on.
2155 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
2157 * doc/tree-ssa.texi: Document structural alias analysis.
2159 2005-03-12 Steven Bosscher <stevenb@suse.de>
2161 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
2162 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
2163 * tree-ssa-operands.c (get_expr_operands): Likewise.
2164 (get_expr_operands): Likewise for ERROR_MARK.
2166 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
2168 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
2171 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
2174 * tree-ssa-pre.c (compute_avail): Remove local variable val.
2175 (mark_operand_necessary): Remove local variable ver.
2177 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
2178 variable prefix_len.
2180 * value-prof.c (mod_subtract_transform): Remove local variable
2183 * builtins.c (fold_builtin_exponent): Take decomposed
2184 arguments of CALL_EXPR.
2185 (fold_builtin_1): Update a call to fold_builtin_exponent.
2187 * builtins.c (fold_builtin_logarithm): Take decomposed
2188 arguments of CALL_EXPR.
2189 (fold_builtin_1): Update a call to fold_builtin_logarithm.
2191 * c-decl.c (c_init_decl_processing): Remove local variables
2192 ptr_ftype_void and ptr_ftype_ptr.
2194 * gimplify.c (gimplify_expr): Remove local variables r0 and
2197 * reg-stack.c (move_for_stack_reg): Remove local variable
2199 (compare_for_stack_reg): Remove local variable flags_user.
2200 (convert_regs_1): Remove local variable deleted.
2202 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
2204 (combine_blocks): Remove local variables exits and new_e.
2206 * tree-inline.c (expand_call_inline): Remove local variable
2209 * tree-ssa-live.c (create_ssa_var_map,
2210 calculate_live_on_entry): Remove local variable snn.
2212 2005-03-12 Geoffrey Keating <geoffk@apple.com>
2214 * c-lex.c (c_lex_with_flags): Add parameter to call to
2217 2005-03-11 Per Bothner <per@bothner.com>
2219 * c-tree.h (struct c_declarator): New id_loc field.
2220 * c-pragma.h (c_lex_with_flags): Take position reference.
2221 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
2222 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
2223 (c_lex): Pass dummy location to c_lex_with_flags.
2224 * c-parser.c (c_lex_one_token): Set c_token's location using
2225 c_lex_with_flags, instead of input_location, which might be "ahead".
2226 (c_parser_direct_declarator): Set declarator's id_loc from
2228 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
2229 declarator's id_loc, rather than probably-imprecise input_location.
2230 (build_id_declarator): Initialize c_declarator's id_loc field.
2232 2005-03-11 Roger Sayle <roger@eyesopen.com>
2235 * builtins.c (expand_builtin_signbit): Force the signbit's word
2236 into an integer register to avoid SUBREGs of floating point modes.
2238 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
2240 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
2241 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
2242 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
2243 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
2245 2005-03-11 David Edelsohn <edelsohn@gnu.org>
2247 PR rtl-optimization/20306
2248 * expr.c (emit_move_complex): Set try_int false if mode is
2249 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
2250 emit_block_move if try_int is true.
2252 2005-03-11 Richard Henderson <rth@redhat.com>
2255 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
2256 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
2259 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
2261 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
2262 (TARGET_FIX_VR4130): New macro.
2263 (TARGET_OPTIONS): Add -mfix-vr4130.
2264 (ISA_HAS_MACCHI): New macro.
2265 (ASM_SPEC): Add -mfix-vr4130.
2266 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
2267 (override_options): Handle mips_fix_vr4130_string.
2268 (mips_avoid_hazards): Clear all_noreorder_p
2269 if we're working around VR4130 errata and the macc alternatives
2271 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
2272 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
2273 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
2274 (MULTILIB_DEFAULTS): Remove leading "march=".
2275 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
2276 if no architecture option is given.
2277 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
2279 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
2280 * doc/invoke.texi: Document -mfix-vr4130.
2282 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
2284 * config/mips/mips.c (override_options): Only warn about -mint64
2285 deprecation if TARGET_INT64.
2287 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2289 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2290 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2291 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2292 are non-specific regarding the nonnull parameter positions.
2293 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2294 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2295 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2296 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2298 * builtins.def: Use the non-specific "nonnull" attibute lists.
2300 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
2302 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2303 single_pred_edge, single_succ, single_pred): Improve comments.
2305 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
2307 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2308 single_pred_edge, single_succ, single_pred): New inline functions.
2309 * bb-reorder.c (rotate_loop, find_traces_1_round,
2310 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2311 duplicate_computed_gotos): Use the single_succ/pred functions.
2312 * cfganal.c (forwarder_block_p): Ditto.
2313 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2314 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2315 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2316 merge_seq_blocks): Ditto.
2317 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2318 * cfglayout.c (fixup_reorder_chain): Ditto.
2319 * cfgloop.c (mark_single_exit_loops, update_latch_info,
2320 canonicalize_loop_headers, verify_loop_structure): Ditto.
2321 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2322 mfb_update_loops, create_preheader, force_single_succ_latches,
2323 create_loop_notes): Ditto.
2324 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2325 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2326 commit_one_edge_insertion, purge_dead_edges,
2327 cfg_layout_can_merge_blocks_p): Ditto.
2328 * except.c (sjlj_emit_function_enter): Ditto.
2329 * flow.c (init_propagate_block_info): Ditto.
2330 * function.c (thread_prologue_and_epilogue_insns): Ditto.
2331 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2332 insert_insn_end_bb): Ditto.
2333 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2334 find_if_case_2): Ditto.
2335 * lambda-code.c (perfect_nestify): Ditto.
2336 * lcm.c (optimize_mode_switching): Ditto.
2337 * loop-doloop.c (doloop_modify): Ditto.
2338 * loop-init.c (loop_optimizer_init): Ditto.
2339 * loop-iv.c (simplify_using_initial_values): Ditto.
2340 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2341 * loop-unswitch.c (unswitch_loop): Ditto.
2342 * modulo-sched.c (generate_prolog_epilog): Ditto.
2343 * predict.c (combine_predictions_for_insn, estimate_probability,
2344 tree_estimate_probability, last_basic_block_p,
2345 estimate_bb_frequencies): Ditto.
2346 * profile.c (branch_prob): Ditto.
2347 * regrename.c (copyprop_hardreg_forward): Ditto.
2348 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2349 * tracer.c (layout_superblocks): Ditto.
2350 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2351 cfg_remove_useless_stmts_bb, cleanup_control_flow,
2352 cleanup_control_expr_graph, disband_implicit_edges,
2353 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2354 tree_verify_flow_info, tree_make_forwarder_block,
2355 tree_forwarder_block_p, remove_forwarder_block,
2356 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2357 * tree-if-conv.c (tree_if_conversion): Ditto.
2358 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2359 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2360 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2361 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2362 copy_loop_headers): Ditto.
2363 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2364 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2365 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2366 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2367 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2368 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2369 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2370 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2371 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2372 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2373 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2374 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2375 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2376 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2377 slpeel_add_loop_guard): Ditto.
2379 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
2381 PR tree-optimization/15784
2382 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
2385 * stmt.c (expand_case): Don't change index_type. Convert minval
2388 PR tree-optimization/20130
2389 * fold-const.c (fold): Fold x * -1 into -x.
2391 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
2393 PR rtl-optimization/20331
2394 * rtlanal.c (modified_between_p): Check its address first for MEM.
2395 (modified_in_p): Likewise.
2397 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
2399 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2401 2005-03-10 Steven Bosscher <stevenb@suse.de>
2403 * expr.c (expand_expr_real_1): If possible, use a conditional
2404 move for expanding MIN_EXPR and MAX_EXPR.
2405 Use temp for moving around rtx-en.
2407 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
2410 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2413 2005-03-10 Roger Sayle <roger@eyesopen.com>
2415 * builtins.c (expand_builtin_signbit): Extend to handle floating
2416 point modes wider than the largest integer type, using the
2417 operand_subword_force function to obtain the signbit's word.
2419 2005-03-10 Jakub Jelinek <jakub@redhat.com>
2422 * combine.c (try_combine): If recog_for_combine added CLOBBERs
2423 to NEWI2PAT, fail to combine if they are used by NEWPAT.
2425 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
2427 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2429 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
2431 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2433 (perform_edge_inserts): Unconditionally call
2434 free_dominator_info.
2436 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2438 2005-03-10 Bob Wilson <bob.wilson@acm.org>
2440 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2442 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
2444 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2446 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2448 (rtl_register_value_prof_hooks,
2449 tree_value_profile_transformations,
2450 tree_register_value_prof_hooks): Likewise.
2451 * var-tracking.c (stack_adjust_offset_pre_post,
2452 variable_htab_free, variable_union, dataflow_set_different_2,
2453 count_uses, variable_was_changed, set_frame_base_location,
2454 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2455 vt_add_function_parameters): Likewise.
2456 * varasm.c (named_section_real, named_section, make_decl_rtl,
2457 asm_emit_uninitialised, assemble_integer, decode_addr_const,
2458 const_hash_1, compare_constant, copy_constant, force_const_mem,
2459 output_constant_pool_2, output_constant_pool_1, output_constant,
2460 output_constructor, make_decl_one_only, decl_tls_model,
2461 default_no_named_section, default_elf_select_section_1,
2462 default_unique_section_1): Likewise.
2463 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2464 * vmsdbgout.c (addr_const_to_string): Likewise.
2467 * function.c (struct assign_parm_data_one): Remove last_named
2469 (assign_parm_find_data_types): Don't determine last_named.
2470 Reorder named_parm determination.
2471 (assign_parms): Only setup varargs on the last non-varadic
2474 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
2476 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
2477 sda base address on medium model.
2479 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
2481 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2482 * cfgloop.c (flow_loop_nodes_find): Export.
2483 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2485 * cfgloopmanip.c (fix_loop_structure): New function.
2486 * predict.c (predict_loops): Clean up the loops information.
2487 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2488 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2490 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2491 (rewrite_into_loop_closed_ssa): Declaration changed.
2492 * tree-loop-linear.c (linear_transform_loops): Add argument to
2493 rewrite_into_loop_closed_ssa call.
2494 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2495 * tree-ssa-loop-im.c (move_computations): Ditto.
2496 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2497 * tree-vectorizer.c (vectorize_loops): Ditto.
2498 * tree-optimize.c: Include cfgloop.h.
2499 (execute_todo): Choose whether to call cleanup_tree_cfg or
2500 cleanup_tree_cfg_loop.
2501 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2502 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2503 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2504 cleanup_tree_cfg_loop call.
2505 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2506 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2507 work on part of cfg.
2509 2005-03-10 Jakub Jelinek <jakub@redhat.com>
2512 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2513 with multiple alternatives.
2515 * stmt.c (parse_output_constraint): Fix a typo.
2517 2005-03-09 Bob Wilson <bob.wilson@acm.org>
2519 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2520 assembly directive instead of deprecated "no-generics".
2522 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
2524 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2525 for non-offsettable memory references to cope with outstanding reload
2527 * config/s390/s390.md ("reload_outti"): Call find_replacement to
2528 avoid losing outstanding address reloads.
2529 ("reload_outdi", "reload_outdf"): Likewise.
2531 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2534 code. Add more cbrt transformations.
2536 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2540 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
2542 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2543 NULL_TREE when a given tree is not simplified.
2544 (fold): Return the original tree when any of the functions
2545 mentioned above NULL_TREE.
2547 * fold-const.c (fold_unary, fold_binary): Take decomposed
2548 arguments, code, type, op0, and op1 in case of fold_binary.
2549 (fold): Update calls to fold_unary and fold_binary.
2551 2005-03-09 Roger Sayle <roger@eyesopen.com>
2553 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2554 a fndecl and an arglist instead of a CALL_EXPR, exp.
2556 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
2558 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2560 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2562 * expr.c (expand_assignment): Remove orig_to_rtx.
2564 * fold-const.c (int_const_binop): Remove no_overflow.
2566 * ifcvt.c (noce_emit_move_insn): Remove inmode.
2568 * loop-iv.c (get_biv_step_1): Remove lhs.
2570 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2572 * real.c (real_nan): Remove neg.
2574 * function.c (thread_prologue_and_epilogue_insns): Remove i
2577 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2580 * tree-eh.c (tree_could_trap_p): Remove idx.
2582 * tree-into-ssa.c (ann): Remove ann.
2584 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2586 * tree-sra.c (decide_block_copy): Remove inst_count.
2588 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2590 * tree-ssa-loop-im.c (lhs): Remove.
2592 * cfgbuild.c (state, STATE, SET_STATE,
2593 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2595 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2596 (find_basic_blocks): Set the state of each basic block to
2599 2005-03-08 Jeff Law <law@redhat.com>
2601 * tree-cfg.c (cleanup_control_flow): If removal of a computed
2602 goto results in the removal of edges in the CFG, then we need
2603 to recompute dominators.
2605 2005-03-09 Ben Elliston <bje@au.ibm.com>
2607 * c-common.c (c_do_switch_warnings): Comment fix.
2609 2005-03-08 Julian Brown <julian@codesourcery.com>
2611 * Patch from 2005-03-08 reverted for causing regressions and
2612 ppc-darwin bootstrap failure.
2614 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
2616 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2617 Define the real function for ppc-darwin.
2618 * c-typeck.c (convert_arguments): Check for target-specific
2619 invalid argument call to unprototyped function.
2620 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2622 * target.h (invalid_arg_for_unprototyped_fn): New field
2624 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2625 default target hook.
2626 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2629 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
2631 * c-typeck.c (constructor_stack, constructor_range_stack,
2632 initializer_stack): Make them static.
2634 * cfg.c (rbi_pool): Make it static.
2636 * gimple-low.c (lower_stmt_body): Make it static.
2637 * tree-flow.h: Remove the corresponding prototype. Don't
2640 * sched-deps.c (cache_size): Make it static.
2642 * stor-layout.c (lang_adjust_rli): Make it static.
2644 2005-03-08 Julian Brown <julian@codesourcery.com>
2646 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2647 from being used for symbols with vague linkage when
2648 HAVE_GAS_COMDAT_GROUP is true.
2650 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
2652 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2653 nlabel == JUMP_LABEL (jump).
2655 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
2657 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2658 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2659 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2660 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2662 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
2665 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2666 * c-common.c (handle_returns_twice): New function.
2667 (c_common_attribute_table): Declare eturns_twice' attribute.
2668 * doc/extend.texi: Document eturns_twice' attribute.
2669 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2670 (struct tree_decl): Add returns_twice_flag.
2672 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
2674 * tree-ssa-phiopt.c: Fix a comment typo.
2676 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2677 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2678 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2681 2005-03-08 Richard Henderson <rth@redhat.com>
2683 * config/alpha/alpha.c (code_for_builtin): Replace special-case
2684 builtin codes with ctzdi2, clzdi2, popcountdi2.
2685 (struct alpha_builtin_def): Add is_const.
2686 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2687 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2688 (alpha_init_builtins): Init them. Set nothrow and const attributes
2690 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2691 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2692 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2693 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2694 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2695 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2696 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2697 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2698 (TARGET_FOLD_BUILTIN): New.
2699 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2700 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2702 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2704 2005-03-08 Ira Rosen <irar@il.ibm.com>
2706 PR tree-optimization/20122
2707 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2708 condition of access function instead of base.
2710 2005-03-07 Jeff Law <law@redhat.com>
2711 Steven Bosscher <stevenb@suse.de>
2713 * tree-cfg.c (find_taken_edge_computed_goto): New function.
2714 (find_taken_edge): Call find_taken_edge_computed_goto as
2715 appropriate. Allow any gimple invariant rather than just
2716 INTEGER_CST for VAL.
2717 (cleanup_control_flow): Cleanup a computed goto which has turned
2719 (tree_merge_blocks): If block B has any forced labels, move
2720 them to the start of block A.
2721 * tree-ssa-dom.c (thread_across_edge): Allow threading across
2722 computed gotos as well.
2723 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2724 removal of unnecessary computed gotos too.
2725 (lookup_redirection_data): Fix type of INSERT argument. Callers
2728 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
2730 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
2731 Remove trailing spaces.
2733 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2734 unshare_all_trees): Make them static.
2735 * tree-gimple.h: Remove the corresponding prototypes.
2737 * diagnostic.h: Remove unused prototype
2738 debug_output_buffer.
2739 * modulo-sched.c: Remove unused prototype
2740 set_row_column_for_ps.
2742 * tree-ssa-phiopt.c (tree_ssa_phiopt,
2743 replace_phi_edge_with_variable): Remove unused variable i.
2745 2005-03-07 Per Bothner <per@bothner.com>
2747 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2749 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
2752 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2753 bbs on the COND_EXPR instead of the PHI_NODEs.
2754 (candidate_bb_for_phi_optimization): Remove.
2755 (replace_phi_with_stmt): Rename to ...
2756 (replace_phi_edge_with_variable): this and change so that we
2757 replace the phi argument instead of removing the PHI.
2758 (conditional_replacement): Change so we deal with PHI with more
2760 (value_replacement): Likewise.
2761 (abs_replacement): Likewise.
2763 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
2765 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2766 output_e500_flip_gt_bit.
2768 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2770 (rs6000_generate_compare): Fix logic to look at the correct bits.
2771 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2773 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2774 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
2775 gen_move_from_CR_gt_bit.
2777 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2778 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2779 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2781 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2782 (E500_CR_IOR_COMPARE): New constant.
2784 2005-03-08 Earl Chew <earl_chew@agilent.com>
2785 David Billinghurst <David.Billinghurst@riotinto.com>
2787 * config/i386/host-cygwin.c: New file to support precompiled
2789 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2790 * config.host: Use above files for cygwin host.
2792 2005-03-07 David Edelsohn <edelsohn@gnu.org>
2794 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2795 ordering ops from earlier change.
2797 2005-03-07 Per Bothner <per@bothner.com>
2799 Various fixes to allow us to again build if --enable-mapped-location:
2800 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2801 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2802 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2803 local variable loc. Change logic appropriately.
2804 * tree-vect-transform.c (vect_finish_stmt_generation): Use
2805 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2806 * c-parser.c (c_parser_for_statement): Initialize loc variable.
2807 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2808 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2810 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
2812 PR rtl-optimization/19683
2813 * reload1.c (choose_reload_regs): Pass the number of bits, not the
2814 number of bytes, to smallest_int_for_mode. Fix arguments to
2815 REG_CANNOT_CHANGE_MODE_P.
2817 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2819 * reorg.c (relax_delay_slots): Check that the jump is
2820 conditional before trying to invert it.
2822 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
2824 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2827 * calls (stack_arg_under_construction): Make it static.
2829 * flow.c (regs_live_at_setjmp): Make it static.
2830 * flow.h: Remove the corresponding prototype.
2832 * reload1.c (reload_startobj, reload_firstobj,
2833 something_needs_operands_changed, reload_inherited,
2834 reload_inheritance_insn, reload_override_in,
2835 reload_spill_index): Make them static.
2837 * recog.c (verify_changes): Make it static.
2838 * recog.h: Remove the corresponding prototype.
2840 * cfgbuild.c (find_sub_basic_blocks): Remove.
2841 * basic-block.h: Remove the corresponding prototype.
2842 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2844 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2846 * tree-ssa-operands.c (check_build_stmt): Remove.
2848 * stor-layout.c (set_alignment): Remove.
2849 * tree.h: Remove the corresponding prototype.
2851 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2853 * tree-ssa-dce.c (control_dependence_map,
2854 visited_control_parents): Make them static.
2856 * cfghooks.c (verify_flow_info): Remove local variable
2859 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2862 * loop-unswitch.c (unswitch_loop): Remove local variable src.
2864 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
2866 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2868 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
2870 * config/ia64/hpux.h (LINK_SPEC): Add -z.
2871 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2872 PARALLEL for an empty structure.
2874 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
2876 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2878 * fold-const.c (fold_binary): Unroll the very first "for"
2881 2005-03-06 David Edelsohn <edelsohn@gnu.org>
2883 * config/rs6000/predicates.md (branch_comparison_operator): Remove
2884 redundant match_code test.
2885 (scc_comparison_operator): Swap match_operand and match_code
2887 (branch_positive_comparison_operator): Same.
2888 (trap_comparison_operator): Use comparison_operator and swap with
2891 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
2894 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2895 (out_movhi_r_mr): Read low byte of volatile MEM first.
2896 (out_movhi_mr_r): Write high byte of volatile MEM first.
2898 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
2900 * cselib.c (reg_values, reg_values_size): Make them static.
2902 * cse.c (cse_reg_info_table): Make it static.
2904 * fold-const.c (fold_unary): Use build1 instead of copy_node.
2906 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
2908 * cse.c (find_best_addr): Use canon_for_address.
2910 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
2912 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2913 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2914 SUBREG and MEM, respectively.
2916 * fold-const.c (fold_binary): Use code instead of t.
2918 * fold-const.c (optimize_minmax_comparison): Take decomposed
2919 arguments code, type, op0, and op1 instead of t.
2920 (fold_binary): Update a call to optimize_minmax_comparison.
2922 * fold-const.c (fold_range_test): Take decomposed arguments
2923 code, type, op0, and op1 instead of t.
2924 (fold_binary): Update a call to fold_range_test.
2926 * fold-const.c (fold_binary_op_with_conditional_arg): Take
2927 decomposed arguments code, type, op0, and op1 instead of t.
2928 (fold_binary): Update a call to fold_range_test.
2930 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
2932 * fold-const.c (fold_binary): Avoid directly using the original
2933 expression t as much as possible.
2935 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
2937 * c-semantics.c (build_stmt): Use TYPE_P instead of
2938 IS_NON_TYPE_CODE_CLASS.
2939 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2940 (NON_TYPE_CHECK): Use TYPE_P instead of
2941 IS_NON_TYPE_CODE_CLASS.
2943 * fold-const.c (fold): Remove handling of binary expressions.
2945 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
2947 * doc/c-tree.texi: Wrap comments in @r{}.
2948 * doc/cpp.texi: Likewise.
2949 * doc/cppinternals.texi: Likewise.
2950 * doc/extend.texi: Likewise.
2951 * doc/md.texi: Likewise.
2952 * doc/objc.texi: Likewise.
2953 * doc/sourcebuild.texi: Likewise.
2954 * doc/tm.texi: Likewise.
2957 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
2959 * predict.c (apply_return_prediction): Standardize PHI chain
2961 * tree-ssa.c (ssa_redirect_edge): Likewise.
2963 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2964 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2967 * tree-phinodes.c (remove_phi_node): Drop the last argument.
2968 * tree-flow.h: Adjust the prototype for remove_phi_node.
2969 * lambda-code.c (perfect_nestify): Adjust a call to
2972 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2973 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2975 * tree-ssa-dce.c (remove_dead_phis): Likewise.
2976 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2977 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2978 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2980 * combine.c (simplify_and_const_int): Use gen_int_mode instead
2981 of GEN_INT (trunc_int_for_mode (...)).
2982 * loop-iv.c (iv_number_of_iterations): Likewise.
2983 * postreload.c (reload_cse_move2add): Likewise.
2984 * simplify-rtx.c (simplify_const_unary_operation,
2985 simplify_const_binary_operation): Likewise.
2986 * stor-layout.c (get_mode_bounds): Likewise.
2988 * fold-const.c (fold_binary): New.
2989 (fold): Call fold_binary on binary expressions.
2991 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
2993 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2994 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2995 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2996 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2997 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2999 2005-03-04 Devang Patel <dpatel@apple.com>
3001 PR tree-optimization/18815
3002 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3003 loops with zero exit edges.
3005 2005-03-04 Devang Patel <dpatel@apple.com>
3007 * doc/invoke.texi: Remove reference to webpage that does not exist.
3009 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
3010 Joseph S. Myers <joseph@codesourcery.com>
3013 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
3014 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
3015 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
3016 * pa.c (get_plabel): Change argument to symbol_ref. Call
3017 maybe_get_identifier instead of get_identifier.
3018 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
3019 (struct deferred_plabel): Replace name field with symbol field.
3020 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
3021 ASM_OUTPUT_EXTERNAL_REAL is defined.
3022 (output_global_address): Use output_addr_const for output of all
3024 (output_deferred_plabels): Use symbol_ref instead of name for address
3026 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
3027 ASM_OUTPUT_SYMBOL_REF): New macros.
3028 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
3030 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
3033 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
3035 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
3036 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
3038 2005-03-04 Jeff Law <law@redhat.com>
3040 * basic-block.h (rediscover_loops_after_threading): Declare.
3041 * tree-ssa-dom.c: Include cfgloop.h.
3042 (tree_ssa_dominator_optimize): Discover loops and some basic
3043 properties. Remove forwarder blocks recreated by loop header
3044 canonicalization. Also mark backedges in the CFG.
3045 * tree-ssa-threadupdate.c: Include cfgloop.h
3046 (rediscover_loops_after_threading): Define.
3047 (struct local_info): New field, JUMP_THREADED.
3048 (prune_undesirable_thread_requests): New function.
3049 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
3050 then record that fact for the callers of redirct_edges.
3051 (thread_block): If BB has incoming backedges, then call
3052 prune_undesirable_thraed_requests. Note when we are
3053 going to have to rediscover loop information. Return a
3054 boolean indicating if any jumps were threaded.
3055 (thread_through_all_blocks): Bubble up boolean indicating
3056 if any jumps were threaded.
3057 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
3058 (tree-ssa-threadupdate.o): Similarly.
3060 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
3062 * fold-const.c (fold_ternary): Unroll the "for" loop to
3065 2005-03-04 Andrew Haley <aph@redhat.com>
3067 * unwind-dw2-fde-glibc.c (struct
3068 unw_eh_callback_data.check_cache): New field.
3069 (frame_hdr_cache): New.
3070 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
3071 Cache frame header info.
3073 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
3075 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
3076 (print_c_condition): Declare.
3077 * read-rtl.c (ptr_loc): New structure.
3078 (ptr_locs, ptr_loc_obstack, joined_conditions)
3079 (joined_conditions_obstack): New variables.
3080 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
3081 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
3082 (join_c_conditions, print_c_condition): New functions.
3083 (apply_macro_to_string): Associate the new string with the same
3084 source location as the old one.
3085 (add_condition_to_string): Use join_c_conditions.
3086 (read_string): Use set_rtx_ptr_loc to record a filename and line
3087 number for the string.
3088 (read_rtx): Initialize the new variables above.
3089 * genattrtab.c (write_test_expr, write_attr_value): Use
3091 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
3092 comment above the GCC_VERSION check.
3093 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
3094 Inline the definition of MAYBE_EVAL.
3095 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
3096 * genoutput.c (process_template): Likewise.
3097 * genpreds.c (write_predicate_subfunction): Likewise.
3098 (write_predicate_expr): Use print_c_condition.
3099 * genrecog.c (write_cond): Likewise.
3100 * gensupport.c (process_rtx): Use join_c_conditions to join the
3101 conditions of a define_insn_and_split. Record a source location
3102 for the string after the "&&".
3103 (alter_test_for_insn): Use join_c_conditions.
3105 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
3108 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
3109 PR tree-optimization/15784
3110 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
3113 2005-03-04 Ben Elliston <bje@au.ibm.com>
3115 * gcc.c (option_map): Add --coverage.
3116 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
3117 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
3118 * config/darwin.h: Pass -lgcov for `coverage'.
3119 * doc/invoke.texi (Debugging Options): Document --coverage.
3121 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
3123 * gcse.c (bypass_block): Use find_edge wherever possible.
3125 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
3129 * c-opts.c (c_common_parse_file): Call start_source_file
3130 and end_source_file at the approriate times.
3132 * dwarf2out.c (dwarf2out_finish): Don't auto-end
3133 the main file, it will be done for us now.
3135 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
3137 * fold-const.c (fold_ternary): New.
3138 (fold): Call fold_ternary on ternary expressions. Remove
3139 handling of ternary expressions.
3141 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
3143 PR tree-optimization/15784
3144 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
3147 2005-03-03 David Edelsohn <edelsohn@gnu.org>
3149 * config/rs6000/predicates.md (branch_comparison_operator):
3150 Convert from C block to conditional format.
3152 2005-03-03 Jan Hubicka <jh@suse.cz>
3154 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
3155 and non-constant public variables.
3157 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
3159 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
3162 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
3165 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
3166 calls to release_ssa_name and release_phi_node.
3168 * fold-const.c (fold): Remove handling of unary expressions.
3170 * fold-const.c (fold_unary): Avoid directly using the original
3171 expression t as much as possible.
3173 2005-03-03 Roger Sayle <roger@eyesopen.com>
3174 Andrew Pinski <pinskia@physics.uc.edu>
3176 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
3177 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
3179 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
3181 Describe special registers SRP and MOF as allocatable registers.
3182 * config/cris/cris.c (cris_md_asm_clobbers): New function.
3183 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
3184 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
3185 TARGET_HAS_MUL_INSNS.
3186 (cris_print_operand) <case 'd'>: New case.
3187 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
3188 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
3190 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
3191 (REG_ALLOC_ORDER): Update for MOF.
3192 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
3194 (GENERAL_REGS): No longer a define of ALL_REGS.
3195 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
3196 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3198 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
3199 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
3200 (SECONDARY_RELOAD_CLASS): Define.
3201 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
3202 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
3203 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
3204 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
3205 (REGISTER_MOVE_COST): Define.
3206 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
3207 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
3208 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
3209 (CRIS_MOF_REGNUM): New define_constants.
3210 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
3212 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
3214 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
3215 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
3216 Adjust for MOF being properly described as a register.
3217 (indir_to_reg_split): Name this split. Conditionalize on the
3218 destination register being a general register.
3219 (movei): Conditionalize on on operands 0 and 1 having the same
3222 2005-03-03 Alan Modra <amodra@bigpond.net.au>
3225 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
3226 -mcpu to override any other explicitly given flags.
3228 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
3230 * recog.c (verify_changes, confirm_change_group): New functions,
3231 broken out of apply_change_group.
3232 (apply_change_group): Use them.
3233 * recog.h (verify_change, confirm_change_group): Declare.
3234 * rtl.h (redirect_jump_2): Declare.
3235 * jump.c (redirect_exp, invert_exp): Delete.
3236 (invert_exp_1): Take second parameter. Return value. Changed caller.
3237 (redirect_jump_2): New function, broken out of redirect_jump.
3238 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
3239 (invert_jump): Use invert_jump_1 and redirect_jump_2.
3240 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
3242 2005-03-02 Geoffrey Keating <geoffk@apple.com>
3244 * varasm.c (named_section): Use xstrdup rather than doing it by
3247 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
3249 2005-03-02 Devang Patel <dpatel@apple.com>
3251 Undo PR tree-optimization/18815 fix.
3253 2005-03-02 Devang Patel <dpatel@apple.com>
3255 PR tree-optimization/18815
3256 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
3257 loops with zero exit edges.
3259 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
3261 * cfg.c (connect_src, connect_dest, disconnect_src,
3262 disconnct_dest): New.
3263 (unchecked_make_edge, remove_edge, redirect_edge_succ,
3264 redirect_edge_pred): Use the new functions.
3266 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3267 free_dominance_info only when needed.
3269 2005-03-02 David Edelsohn <edelsohn@gnu.org>
3272 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
3273 (reg_or_sub_cint64_operand): Same.
3275 2005-03-02 Jeff Law <law@redhat.com>
3277 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
3278 CFG_ALTERED in the main DOM iteration loop.
3280 2005-03-02 Mark Mitchell <mark@codesourcery.com>
3283 * varasm.c (initializer_constant_valid_p): Allow conversions
3284 between OFFSET_TYPEs. Tidy.
3286 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
3288 * config/cris/cris.md ("return"): Remove epilogue delay list
3291 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
3293 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3295 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3297 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
3299 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3300 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3301 config/m68k/m68k.c, config/mips/mips.h,
3302 config/rs6000/rs6000-protos.h, doc/contrib.texi,
3303 doc/include/gcc-common.texi: Update copyright.
3305 PR middle-end/18029 and PR middle-end/18030
3306 * expr.c (optimize_bitfield_assignment_op): Add a special case
3307 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3309 * fold-const.c (fold_unary): New.
3310 (fold): Call fold_unary on unary expressions.
3312 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
3314 * cgraph.h (struct cgraph_edge): Add prev_caller and
3316 (cgraph_node_remove_callees): Export.
3317 * cgraph.c (cgraph_create_edge): Initialize prev_caller
3319 (cgraph_edge_remove_callee): New function.
3320 (cgraph_edge_remove_caller): Likewise.
3321 (cgraph_remove_edge): Use.
3322 (cgraph_redirect_edge_callee): Likewise.
3323 (cgraph_node_remove_callees): New function.
3324 (cgraph_node_remove_callers): Likewise.
3325 (cgraph_remove_node): Use.
3326 * tree-optimize.c (tree_rest_of_compilation): Use
3327 cgraph_node_remove_callees instead of manual loop.
3328 * cgraphunit.c (cgraph_finalize_function): Likewise.
3329 (cgraph_expand_function): Likewise.
3330 (cgraph_remove_unreachable_nodes): Likewise.
3332 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
3335 * c-tree.h (undeclared_variable, build_external_ref): Add extra
3337 * c-decl.c (undeclared_variable): Take location as argument.
3338 * c-typeck.c (build_external_ref): Likewise.
3339 * c-parser.c (c_parser_postfix_expression): Pass location of
3340 identifier to build_external_ref.
3342 2005-03-01 David Edelsohn <edelsohn@gnu.org>
3344 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3345 CCEQ mode for branch_positive_comparison_operator test.
3346 * config/rs6000/predicates (branch_comparison_operator): Revert to
3348 (scc_comparison_operator): Same.
3349 (branch_positive_comparison_operator): Same.
3351 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
3353 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3354 (cris_delay_slots_for_epilogue): Remove.
3355 (save_last): Move into cris_target_asm_function_epilogue.
3356 (cris_target_asm_function_epilogue): Remove tests for file being
3358 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3359 (cris_delay_slots_for_epilogue): Remove prototypes.
3360 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3361 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3363 2005-03-01 David Edelsohn <edelsohn@gnu.org>
3365 * config/rs6000/predicates.md (branch_comparison_operator): Change
3366 to define_special_predicate.
3367 (scc_comparison_operator): Same.
3368 (branch_positive_comparison_operator): Same.
3370 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
3372 * Makefile.in (tree-ssa-sink.o): New.
3373 (OBJS-common): Add tree-ssa-sink.o.
3374 * common.opt: Add -ftree-sink
3375 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3376 * timevar.def (TV_TREE_SINK): new timevar.
3377 * tree-flow.h (is_hidden_global_store): Prototype.
3378 * tree-optimize.c (init_tree_optimization_passes): Add
3380 * tree-pass.h (pass_sink_code): New.
3381 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3382 for non-obvious global store store to is_hidden_global_store, and
3383 call that new function.
3384 * tree-ssa-sink.c: New file.
3385 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3386 * doc/passes.texi: Document forward store motion.
3387 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3388 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3389 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3390 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3392 2005-03-01 Per Bothner <per@bothner.com>
3394 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3395 and we have a non-zero column-number, add it to the message.
3396 Also factor out the diagnostic_kind_text.
3398 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
3400 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3401 flow_loop_pre_header_scan, flow_loop_pre_header_find,
3402 flow_loop_scan): Removed.
3403 (flow_loop_dump): Do not dump removed fields.
3404 (flow_loop_free): Do not free removed fields.
3405 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
3406 (loop_exit_edge_p): New function.
3407 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3408 num_pre_header_edges, entry_edges, num_entries, exit_edges,
3409 num_exits, exits_doms.
3410 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3411 LOOP_EDGES, LOOP_ALL): Removed.
3412 (flow_loop_scan): Declaration removed.
3413 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3414 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3416 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3417 (if_convert): Call flow_loops_find and flow_loops_free
3418 when calling mark_loop_exit_edges.
3419 * cfgloopanal.c (mark_loop_exit_edges): Moved from
3420 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
3421 free_dominance_info calls.
3422 * loop-init.c (flow_loops_find): Ditto.
3423 * passes.c (rest_of_handle_branch_prob): Ditto.
3424 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3425 * loop-unroll.c (analyze_insns_in_loop): Do not use
3427 * predict.c (predict_loops): Do not call flow_loop_scan.
3428 Use get_loop_exit_edges.
3429 (tree_estimate_probability): Do not pass flags to flow_loops_find.
3430 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3431 Do not use EDGE_LOOP_EXIT.
3432 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3433 to bb_with_exit_edge_p.
3434 (if_convertible_loop_p): Do not call flow_loop_scan. Use
3435 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
3436 to bb_with_exit_edge_p.
3437 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
3439 * tree-loop-linear.c (linear_transform_loops): Do not call
3440 flow_loop_scan. Use loop->single_exit.
3441 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3442 (vect_analyze_loop_form): Do not call flow_loop_scan.
3443 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3445 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3447 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3448 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3449 slpeel_tree_duplicate_loop_to_edge_cfg,
3450 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3451 Use loop_preheader_edge and loop->single_exit. Do not call
3454 2005-03-01 Nick Clifton <nickc@redhat.com>
3456 * config/arm/arm.c (thumb_find_work_register): Check all of the
3457 argument registers to see if they are free, and a couple of
3458 special cases where the last argument register but can be proved
3459 to be available during the function's prologue.
3460 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3461 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3462 thumb_unexpanded_epilogue): Use unsigned long as the type for the
3464 (thumb_compute_save_reg_mask): Likewise. Also use
3465 thumb_find_work_register() to ensure that there is agreement about
3466 which work register is going to be used in the prologue.
3467 (thumb_output_function_prologue): Use unsigned long as the type
3468 for the register bit-mask. Also delay pushing the link register if
3469 other high registers are going to be pushed.
3470 (thumb_compute_save_reg_mask, emit_multi_reg_push,
3471 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3472 redundant prototypes.
3474 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
3477 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3478 and after reload in REG+REG indexed addresses without REG_POINTER
3479 set in the base and not set in the index.
3481 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3483 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3484 Don't undefine here.
3485 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3486 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3487 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3488 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3489 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3491 * config.gcc (sh*-*-linux*): Use config/linux.h.
3493 2005-02-28 Dale Johannesen <dalej@apple.com>
3494 Stan Shebs <shebs@apple.com>
3496 Rewrite of 64-bit Darwin structure-by-value pass/return.
3497 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3498 intoffset, use_stack, named.
3499 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
3500 (rs6000_darwin64_record_arg_advance_flush): New.
3501 (rs6000_darwin64_record_arg_advance_recurse): New.
3502 (rs6000_darwin64_record_arg_flush): New.
3503 (rs6000_darwin64_record_arg_recurse): New.
3504 (rs6000_darwin64_record_arg): New.
3505 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
3506 (function_arg_boundary): Handle 128-bit aligned structs.
3507 (function_arg_advance): Rewrite darwin64 struct handling.
3508 (function_arg): Call rs6000_darwin64_record_arg.
3509 (function_arg_partial_nregs): Handle darwin64 structs.
3510 (rs6000_darwin64_function_value): Remove.
3511 (rs6000_function_value): Call rs6000_darwin64_record_arg.
3513 2005-02-28 Roger Sayle <roger@eyesopen.com>
3515 PR tree-optimization/20216
3516 * tree-chrec.c (tree_fold_factorial): Delete.
3517 (tree_fold_binomial): Change argument list to take a return type
3518 and change the type of K to unsigned int. Rewrite to avoid explicit
3519 evaluation of factorials, and (recursively) calling fold to perform
3520 compile-time arithmetic. Return NULL on (internal) overflow.
3521 (chrec_evaluate): Change type of K to an unsigned int. Avoid
3522 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
3523 if any intermediate calculation overflows.
3524 (chrec_apply): Update call to chrec_evaluate.
3526 2005-02-28 James E Wilson <wilson@specifixinc.com>
3528 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3530 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
3533 * c-parser.c (c_parser_compound_statement): Return error_mark_node
3534 instead of NULL_TREE on error.
3536 2005-02-28 David Edelsohn <edelsohn@gnu.org>
3538 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3539 (EASY_VECTOR_15_ADD_SELF): Remove.
3540 (num_insns_constant_wide): Not static.
3541 (validate_condition_mode): Not static.
3542 (toc_relative_expr_p): Not static.
3543 (legitimate_indirect_address_p): Not static.
3544 (macho_lo_sum_memory_operand): Not static.
3545 (invalid_e500_subreg): Not static.
3546 (easy_vector_same): Not static.
3547 (easy_vector_splat_const): Not static.
3548 (RS6000_SYMBOL_REF_TLS_P): Remove.
3549 (any_operand): Delete.
3550 (any_parallel_operand): Delete.
3551 (count_register_operand): Delete.
3552 (altivec_register_operand): Delete.
3553 (xer_operand): Delete.
3554 (s8bit_cint_operand): Delete.
3555 (short_cint_operand): Delete.
3556 (u_short_cint_operand): Delete.
3557 (non_short_cint_operand): Delete.
3558 (exact_log2_cint_operand): Delete.
3559 (gpc_reg_operand): Delete.
3560 (cc_reg_operand): Delete.
3561 (cc_reg_not_cr0_operand): Delete.
3562 (reg_or_short_operand): Delete.
3563 (reg_or_neg_short_operand): Delete.
3564 (reg_or_aligned_short_operand): Delete.
3565 (reg_or_u_short_operand): Delete.
3566 (reg_or_cint_operand): Delete.
3567 (reg_or_arith_cint_operand): Delete.
3568 (reg_or_add_cint64_operand): Delete.
3569 (reg_or_sub_cint64_operand): Delete.
3570 (reg_or_logical_cint_operand): Delete.
3571 (got_operand): Delete.
3572 (got_no_const_operand): Delete.
3573 (easy_fp_constant): Delete.
3574 (easy_vector_constant): Delete.
3575 (easy_vector_constant_add_self): Delete.
3576 (zero_constant): Delete.
3577 (zero_fp_constant): Delete.
3578 (volatile_mem_operand): Delete.
3579 (offsettable_mem_operand): Delete.
3580 (mem_or_easy_const_operand): Delete.
3581 (add_operand): Delete.
3582 (non_add_cint_operand): Delete.
3583 (logical_operand): Delete.
3584 (non_logical_cint_operand): Delete.
3585 (mask_operand): Delete.
3586 (mask_operand_wrap): Delete.
3587 (mask64_operand): Delete.
3588 (mask64_2_operand): Delete.
3589 (and64_operand): Delete.
3590 (and64_2_operand): Delete.
3591 (and_operand): Delete.
3592 (reg_or_mem_operand): Delete.
3593 (lwa_operand): Delete.
3594 (symbol_ref_operand): Delete.
3595 (call_operand): Delete.
3596 (current_file_function_operand): Delete.
3597 (input_operand): Delete.
3598 (rs6000_nonimmediate_operand): Delete.
3599 (rs6000_tls_symbol_ref): Delete.
3600 (save_world_operation): Delete.
3601 (restore_world_operation): Delete.
3602 (load_multiple_operation): Delete.
3603 (store_multiple_operation): Delete.
3604 (vrsave_operation): Delete.
3605 (mfcr_operation): Delete.
3606 (mtcrf_operation): Delete.
3607 (lmw_operation): Delete.
3608 (stmw_operation): Delete.
3609 (branch_comparison_operator): Delete.
3610 (branch_positive_comparison_operator): Delete.
3611 (scc_comparison_operator): Delete.
3612 (trap_comparison_operator): Delete.
3613 (boolean_operator): Delete.
3614 (boolean_or_operator): Delete.
3615 (min_max_operator): Delete.
3616 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3617 (EASY_VECTOR_15): Moved to here.
3618 (EASY_VECTOR_15_ADD_SELF): Move to here.
3619 (PREDICATE_CODES): Delete.
3620 * config/rs6000/rs6000-protos.h: Delete predicate functions.
3621 Declare functions no longer static.
3622 * config/rs6000/predicates.md: New.
3623 * config/rs6000/rs6000.md: Include predicates.md
3625 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
3627 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
3628 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3630 * cfgrtl.c (need_fake_edge_p): Likewise.
3631 * combine.c (distribute_notes): Likewise.
3632 * emit-rtl.c (try_split): Likewise.
3633 * recog.c (peephole2_opimize): Likewise.
3634 * reg-notes.def (ALWAYS_RETURN): Remove.
3635 * rtl.h (LCT_ALWAYS_RETURN): Remove.
3636 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3637 * tree.h (ECF_ALWAYS_RETURN): Remove.
3639 2005-02-28 Roger Sayle <roger@eyesopen.com>
3642 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3643 between different machine modes is never a "useless" conversion.
3645 2005-02-28 Geert Bosch <bosch@gnat.com>
3648 * doc/contrib.texi: List contributors for Ada front end
3650 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3652 * simplify-rtx.c (simplify_unary_operation_1,
3653 simplify_const_unary_operation): New, extracted from...
3654 (simplify_unary_operation): ... this one.
3655 (simplify_binary_operation_1,
3656 simplify_const_binary_operation): New, extracted from...
3657 (simplify_binary_operation): ... this one.
3658 * rtl.h (simplify_const_unary_operation,
3659 simplify_const_binary_operation): Add prototypes.
3661 2005-02-28 Julian Brown <julian@codesourcery.com>
3663 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3664 building libjava and caused PR regression/20228.
3666 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3669 * Makefile.in (host_subdir): New.
3670 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
3671 * configure: Regenerate.
3673 2005-02-27 Zack Weinberg <zack@codesourcery.com>
3675 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3676 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3677 installation directory first.
3679 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
3682 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3683 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3684 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3685 * config/cris/cris.md: Tweak comments referring to Q.
3686 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3687 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3688 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3689 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3690 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3691 Insert spaces in constraints to align alternatives vertically for
3693 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
3696 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3698 PR rtl-optimization/17728
3699 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3700 operand 0 from general_operand to move_dest_operand.
3702 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3704 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3705 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3706 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3707 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3709 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
3711 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3712 * configure: Regenerate.
3713 * libada-mk.in: Remove CC; rename
3714 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3716 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
3719 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3720 for the lhs, also walk over the tree. Likewise for rhs.
3722 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3724 * tree-ssa-dom.c (simple_iv_increment_p): New function.
3725 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3726 Do not propagate value of iv before increment over the increment.
3728 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
3730 * c-parser.c: New file.
3731 * c-parse.in: Remove.
3732 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3734 (c-parser.o): Add dependencies.
3735 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3736 maintainer-clean, TAGS): Update.
3737 * c-config-lang.in (gtfiles): Update.
3738 * gengtype-lex.l: Don't handle "@@".
3739 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3740 objc_build_synchronized, objc_begin_try_stmt,
3741 objc_begin_catch_clause, objc_finish_catch_clause,
3742 objc_build_finally_clause, objc_finish_try_stmt): New.
3743 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3745 (c_parse_init): Update comment.
3746 * c-decl.c (c_init_decl_processing): Update comment.
3747 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3748 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3749 new c_declspecs members.
3751 2005-02-25 Julian Brown <julian@codesourcery.com>
3753 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3754 from being used for symbols with vague linkage when
3755 HAVE_GAS_COMDAT_GROUP is true.
3757 2005-02-25 Mark Mitchell <mark@codesourcery.com>
3759 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3761 2005-02-25 Steve Ellcey <sje@cup.hp.com>
3764 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3765 (LIBGCC2_HAS_DF_MODE): New.
3766 (LIBGCC2_HAS_XF_MODE): New.
3767 (LIBGCC2_HAS_TF_MODE): New.
3768 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3769 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3770 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3771 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3772 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3773 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3774 and add _fixtfdi, _fixunstfdi, _floatditf
3775 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3776 L_fixunstfdi, L_floatditf.
3777 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3778 (LIBGCC2_HAS_TF_MODE): Define.
3780 2005-02-25 Diego Novillo <dnovillo@redhat.com>
3782 PR tree-optimization/20204
3783 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3784 REWRITE_THIS_STMT markers on PHI nodes.
3785 (rewrite_initialize_block): Likewise.
3787 2005-02-25 Mark Mitchell <mark@codesourcery.com>
3789 * version.c (version_string): Update to 4.1.
3791 2005-02-25 Paolo Carlini <pcarlini@suse.de>
3793 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3794 Clarify that the alternative way doesn't work in GNU C++.
3796 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
3798 PR tree-optimization/19937
3799 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3800 to the type of the induction variable.
3802 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
3804 PR rtl-optimization/20117
3805 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3806 the block including noncopyable insn.
3808 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
3810 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3811 calls to find_reg_note.
3813 2005-02-24 Richard Henderson <rth@redhat.com>
3816 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3819 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
3821 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3822 vector types if to use base reg for misaligned non-word ld/std.
3824 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
3827 * config/cris/cris.c (cris_target_asm_function_prologue): Create
3828 dwarf2 label manually and put it after, not before the prologue.
3830 2005-02-24 David Edelsohn <edelsohn@gnu.org>
3833 * reload.c (operands_match_p): Only increment register number for
3834 SCALAR_INT_MODE_P modes in multiple hard registers.
3836 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3839 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3841 * ChangeLog.5: Fix log message typo(s).
3842 * ChangeLog.7: Likewise.
3843 * ChangeLog.tree-ssa: Likewise.
3844 * cfgexpand.c: Fix comment typo(s).
3845 * conflict.c: Likewise.
3846 * defaults.h: Likewise.
3847 * dwarf2out.c: Likewise.
3849 * ggc-page.c: Likewise.
3850 * tree-eh.c: Likewise.
3851 * tree-ssa-dom.c: Likewise.
3853 2005-02-24 Jakub Jelinek <jakub@redhat.com>
3856 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3857 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3858 if SHARED is defined.
3861 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3862 allow splitting only if operands 0 and 3 don't overlap.
3864 2005-02-24 Richard Henderson <rth@redhat.com>
3867 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3868 (fold_builtin_1): Call them.
3869 * fold-const.c (fold_complex_mult_parts): Split out from ...
3870 (fold_complex_mult): ... here. Fix typo in both imaginary case.
3871 (fold_complex_div_parts, fold_complex_div): New.
3873 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3875 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3877 * tree-ssa-ccp.c (visit_assignment): Verify that result of
3878 VIEW_CONVERT_EXPR is_gimple_min_invariant.
3880 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3881 (print_node): Likewise.
3882 Print TYPE_SIZES_GIMPLIFIED.
3884 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
3886 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3887 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3888 operands as commutative in constraints.
3890 2005-02-24 Diego Novillo <dnovillo@redhat.com>
3892 * tree-into-ssa.c: Re-organize internal functions.
3894 2005-02-24 Richard Henderson <rth@redhat.com>
3897 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3899 * common.opt (fcx-limited-range): New.
3900 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3901 * toplev.c (flag_complex_method): Initialize to 1.
3902 (process_options): Set flag_complex_method to 0 if
3903 flag_cx_limited_range.
3904 * doc/invoke.texi (-fcx-limited-range): New.
3906 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
3908 * cse.c (delete_trivially_dead_insns): Speed up by using
3909 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3912 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
3914 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3915 functions when -mid-shared-library is being used.
3917 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3919 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3920 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3921 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3922 * system.h: Poison LINK_LIBGCC_SPECIAL.
3924 2005-02-23 James E Wilson <wilson@specifixinc.com>
3926 * gengtype.c (note_insn_name): Make 1 element larger.
3928 2005-02-23 Roger Sayle <roger@eyesopen.com>
3931 PR rtl-optimization/20097
3932 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3933 BImode SUBREGs of SImode registers which confuse the ia64 backend.
3935 2005-02-23 David Edelsohn <edelsohn@gnu.org>
3937 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3938 * t-aix52 (SHLIB_INSTALL): Same.
3940 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
3942 * genpreds.c: Update copyright.
3944 2005-02-23 Michael Beach <michaelb@ieee.org>
3947 * config/sparc/t-elf (startup files): Assemble with CPP.
3949 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
3951 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3952 (write_predicate_expr): Likewise.
3954 2005-02-22 Diego Novillo <dnovillo@redhat.com>
3956 PR tree-optimization/20100
3957 PR tree-optimization/20115
3958 * tree-optimize.c (init_tree_optimization_passes): Remove
3959 pass_maybe_create_global_var.
3960 * tree-pass.h (pass_maybe_create_global_var): Remove.
3961 * tree-ssa-alias.c (aliases_computed_p): Declare.
3962 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3963 (count_calls_and_maybe_create_global_var): Remove.
3964 (pass_maybe_create_global_var): Remove.
3965 (init_alias_info): Do not declare aliases_computed_p.
3966 (maybe_create_global_var): If the function contains no
3967 call-clobbered variables and a mix of pure/const and regular
3968 function calls, create .GLOBAL_VAR.
3969 Mark all call-clobbered variables for renaming.
3970 (merge_pointed_to_info): Update comment.
3971 (add_pointed_to_var): Likewise.
3972 (is_escape_site): Likewise.
3973 Accept struct alias_info * instead of size_t *.
3975 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3977 * tree-ssa-operands.c (get_call_expr_operands): If
3978 ALIASES_COMPUTED_P is false, do not add call-clobbering
3980 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3981 (delete_tree_ssa): Likewise.
3983 2005-02-22 James E Wilson <wilson@specifixinc.com>
3985 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3986 (do_compile): Do call it here.
3988 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
3990 PR rtl-optimization/20017.
3991 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3992 rest_of_handle_cse2, rest_of_handle_gcse): Call
3993 delete_dead_jumptables immediately before calling cleanup_cfg.
3995 2005-02-22 Devang Patel <dpatel@apple.com>
3998 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
4001 2005-02-22 David Edelsohn <edelsohn@gnu.org>
4003 * config/rs6000/aix.h (WINT_TYPE): Define.
4005 2005-02-22 Stan Shebs <shebs@apple.com>
4007 * config/rs6000/rs6000.c (rs6000_override_options): Default to
4008 natural alignment for 64-bit Darwin.
4009 (rs6000_parse_alignment_option): Warn about uses of -malign-power
4011 * doc/invoke.texi: Document this.
4013 2005-02-22 DJ Delorie <dj@redhat.com>
4015 * c-common.c (c_common_type_for_mode): Pass the mode's precision
4016 to make_[un]signed_type, not the mode itself.
4018 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
4020 * cfg.c (cached_make_edge): Call make_edge if edge cache is
4021 not available. Use tail calls wherever possible.
4022 (make_edge): Call unchecked_make_edge to create an edge.
4024 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
4025 (coalesce_ssa_name): Don't check for
4026 SSANORM_USE_COALESCE_LIST.
4027 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
4029 2005-02-22 Diego Novillo <dnovillo@redhat.com>
4031 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
4032 (rewrite_into_ssa): ... here.
4034 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
4036 PR tree-optimization/19786
4037 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
4038 tag to another's may-alias bitmap when adding to the other's list.
4040 2005-02-21 DJ Delorie <dj@redhat.com>
4042 * tree-ssa-loop-ivopts.c (computation_cost): Start register
4043 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
4044 registers in unsupported ways.
4045 * expmed.c (init_expmed): Likewise.
4047 2005-02-21 Stan Cox <scox@redhat.com>
4049 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
4051 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
4053 * tree-cfg.c (fold_cond_expr_cond): New.
4054 (make_edges): Call fold_cond_expr_cond.
4055 (find_taken_edge): Accept nothing but INTEGER_CST.
4056 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
4058 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
4060 * flow.c (delete_dead_jumptables): Speed up by scanning insns
4061 that do not belong to any basic block.
4063 2005-02-21 Jeff Law <law@redhat.com>
4065 * cfganal.c (find_unreachable_blocks): Manually CSE load of
4068 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
4070 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
4071 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
4072 Adjust their definitions.
4073 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
4074 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
4076 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
4077 genautomata.c, langhooks.c, langhooks.h, system.h,
4078 config/arm/lib1funcs.asm: Update copyright.
4080 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
4082 * dbxout.c (dbxout_function_end): Emit Lscope label always.
4084 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
4087 * doc/install.texi: Document --with-gc.
4089 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
4091 * simplify-rtx.c (simplify_unary_operation): Add a missing
4094 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4096 PR tree-optimization/18663
4097 * tree-ssa-dom.c (extract_range_from_cond): Return 0
4098 if the type has variable bounds.
4100 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
4102 * gcse.c: Remove an obsolete comment.
4104 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
4106 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
4108 * doc/extend.texi (Function Attributes) <Attribute const>: The
4109 attribute "pure" is below this text, not above.
4111 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4113 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
4114 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
4115 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
4117 2005-02-20 Zack Weinberg <zack@codesourcery.com>
4120 * langhooks.h (struct lang_hooks): Add to_target_charset.
4121 * langhooks.c (lhd_to_target_charset): New function.
4122 * langhooks-def.h: Declare lhd_to_target_charset.
4123 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
4124 (LANG_HOOKS_INITIALIZER): Update.
4125 * c-common.c (c_common_to_target_charset): New function.
4126 * c-common.h: Declare it.
4127 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
4128 c_common_to_target_charset.
4130 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
4131 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
4133 * system.h: Poison them.
4134 * doc/tm.texi: Don't discuss them.
4135 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
4136 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
4137 (pp_c_char): Do not attempt to generate letter escapes for
4139 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
4140 * config/mips/mips.c (mips_output_ascii): Likewise.
4142 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
4144 PR tree-optimization/19951
4145 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
4148 2005-02-19 Steven Bosscher <stevenb@suse.de>
4151 * function.h (struct function): New field `max_loop_depth'.
4152 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
4153 (flow_loops_find): Reset the max loop depth count before finding loops.
4154 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
4155 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
4156 (calculate_global_regs_live): Make sure the loop will terminate
4157 when the initial sets are not empty.
4159 2005-02-19 Zack Weinberg <zack@codesourcery.com>
4161 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
4163 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
4165 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
4168 * doc/invoke.texi: Remove documentation of %M spec.
4170 (init_spec): Remove %M suffix from -lgcc_s.
4171 (do_spec_1): Remove 'M' case.
4172 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
4173 to put shared libraries in the multilib directory. Remove the
4174 shlib_so_soname substitution variable. Don't add a multilib encoding
4175 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
4176 reported by -print-multi-os-directory. Pass @multilib_dir@ to
4177 SHLIB_INSTALL as well as SHLIB_LINK.
4178 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
4179 (SHLIB_NAME): Delete.
4180 (SHLIB_DIR): New macro.
4181 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
4182 (SHLIB_INSTALL): Adjust accordingly.
4183 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
4184 * config/t-slibgcc-sld: Likewise.
4185 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
4186 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
4187 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
4189 (SHLIBUNWIND_INSTALL): Adjust accordingly.
4190 * config/i386/t-nwld (SHLIB_SONAME): Delete.
4191 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
4192 Use @shlib_base_name@ instead of @shlib_so_name@.
4193 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
4194 and @shlib_base_name@.so in @multilib_dir@.
4195 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
4196 to the install path.
4197 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
4198 (SHLIB_LINK): Remove previous workaround.
4199 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
4200 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
4201 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
4203 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
4204 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
4205 (SHLIB_INSTALL): Adjust accordingly.
4206 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
4207 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
4208 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
4209 config/t-slibgcc-elf-ver.
4211 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
4212 Jakub Jelinek <jakub@redhat.com>
4214 PR tree-optimization/19828
4215 * tree-ssa-loop-im.c: Add a TODO comment.
4216 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
4217 without side-effects.
4219 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
4221 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
4224 2005-02-18 James E. Wilson <wilson@specifixinc.com>
4226 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
4227 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
4228 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
4230 (ia64_reorg): Delete fixup_errata call.
4231 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
4232 (TARGET_SWITCHES): Delete -mb-step entry.
4234 2005-02-19 Jakub Jelinek <jakub@redhat.com>
4237 * c-typeck.c (composite_type): Handle quals in transparent unions.
4238 (type_lists_compatible_p): Likewise.
4240 2005-02-18 Stan Shebs <shebs@apple.com>
4242 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
4243 expressions in the .literal8 section.
4245 2005-02-18 Geoffrey Keating <geoffk@apple.com>
4247 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
4249 2005-02-18 Roger Sayle <roger@eyesopen.com>
4251 * fold-const.c (constant_boolean_node): Always create values of the
4252 specified type, don't bother calling truthvalue_conversion.
4254 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
4256 * except.c (output_function_exception_table): Call
4257 assemble_external_libcall (eh_personality_libfunc).
4259 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
4262 * config/ia64/ia64.h (struct machine_function): Add state_num.
4263 * config/ia64/ia64.c (process_epilogue,
4264 process_for_unwind_directive): Use new unwind state numbers each
4265 time rather than state 1.
4267 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
4270 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
4271 before the "*llgt_didi" pattern.
4273 2005-02-18 Jason Merrill <jason@redhat.com>
4275 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
4277 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
4279 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
4280 (div0): Use it in place of ARM_FUNC_ALIAS.
4281 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
4283 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4286 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4287 access, the lower bound of the array type if it exists.
4289 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
4292 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4293 cases that are out-of-range for the index type.
4295 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
4297 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4298 (estimate_case_costs): Don't call convert.
4299 * expmed.c (expand_shift): Likewise.
4300 (make_tree): Call fold_convert instead of convert.
4302 2005-02-18 Jakub Jelinek <jakub@redhat.com>
4305 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4306 that ref to be marked MEM_READONLY_P doesn't have base that needs
4309 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
4311 * genautomata.c (output_get_cpu_unit_code_func,
4312 output_cpu_unit_reservation_p): Don't generate old-style function
4315 2005-02-18 Jakub Jelinek <jakub@redhat.com>
4318 PR tree-optimization/20009
4319 * convert.c (convert_to_integer): Revert 2005-02-16 change.
4321 PR tree-optimization/18947
4322 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4323 inline, remove all nodes that are inlined into the extern inline
4326 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
4328 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4329 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4330 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4331 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4334 2005-02-17 Roger Sayle <roger@eyesopen.com>
4336 PR tree-optimization/19917
4337 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4338 to be potentially trapping.
4340 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
4342 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4344 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
4346 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4347 tem becomes a local variable which is set to the value of the
4348 back end defined INITIAL_FRAME_ADDRESS macro.
4349 (expand_builtin_frame_address): Omit the base parameter to
4350 expand_builtin_return_addr.
4351 (expand_builtin_profile_func): Likewise.
4352 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4353 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4354 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4356 2005-02-17 Jakub Jelinek <jakub@redhat.com>
4358 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4359 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4360 * config/frv/frv.c (frv_function_epilogue): Likewise.
4362 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
4364 * lambda-code (perfect_nestify): Remove mark/unmark
4366 * tree-loop-linear.c (linear_transform_loops): Add
4367 rewrite_into_ssa call so that ssa is correct for
4368 rewriting into loop closed.
4370 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
4372 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4373 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4375 * bt-load.c (btr_def_live_range, combine_btr_defs,
4376 migrate_btr_def, migrate_btr_defs): Likewise.
4377 * cfgcleanup.c (thread_jump): Likewise.
4378 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4379 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4380 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4381 df_rd_local_compute, df_reg_info_compute): Likewise.
4382 * dominance.c (init_dom_info, free_dom_info): Likewise.
4383 * flow.c (init_propagate_block_info,
4384 free_propagate_block_info): Likewise.
4385 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4386 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4387 modify_reg_pav): Likewise.
4388 * loop-invariant.c (find_defs, find_invariant_insn,
4389 find_invariants, free_inv_motion_data): Likewise.
4390 * predict.c (tree_predict_by_opcode,
4391 estimate_bb_frequencies): Likewise.
4392 * stmt.c (expand_case): Likewise.
4393 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4394 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4395 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4396 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4397 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4398 rewrite_ssa_into_ssa): Likewise.
4399 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4400 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4401 analyze_edges_for_bb, perform_edge_inserts): Likewise.
4402 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4403 * tree-sra.c (tree_sra): Likewise.
4404 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4405 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4406 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4407 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4408 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4409 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4411 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4412 calculate_live_on_entry, calculate_live_on_exit,
4413 build_tree_conflict_graph): Likewise.
4414 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4415 record_important_candidates, set_use_iv_cost, find_depends,
4416 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4417 tree_ssa_iv_optimize_finalize): Likewise.
4418 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4419 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4420 tree_duplicate_loop_to_header_edge): Likewise.
4421 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4422 * tree-ssa.c (verify_flow_insensitive_alias_info,
4423 verify_name_tags, verify_ssa, init_tree_ssa,
4424 delete_tree_ssa): Likewise.
4425 * tree-ssanames.c (marked_ssa_names, init_ssanames,
4426 fini_ssanames): Likewise.
4427 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4429 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
4431 * config/rs6000/t-rtems: Completely reworked.
4433 2005-02-17 Ira Rosen <irar@il.ibm.com>
4435 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4437 2005-02-17 Ira Rosen <irar@il.ibm.com>
4439 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4440 POINTER_TYPE_P when checking that type is a pointer.
4441 (vect_get_memtag): Remove.
4442 (vect_address_analysis): Use POINTER_TYPE_P. Call
4443 vect_object_analysis with dummy parameter for memtag.
4444 (vect_object_analysis): Extract memtag (functionality that
4445 used to be in vect_get_memtag and moved here). Fix printings.
4446 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4447 with correct parameters. Remove call to vect_get_memtag.
4449 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
4451 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4452 (tree-vectorizer.o): Added missing dependencies.
4454 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4456 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4457 declaration in tree-vectorizer.c, now has an extern declaration in
4459 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4460 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4461 get_vectype_for_scalar_type, vect_is_simple_use,
4462 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4463 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4464 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4465 vectorizable_store, vectorizable_operation, vectorizable_assignment,
4466 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4467 find_loop_location): Likewise.
4469 * tree-vectorizer.c (langhooks.h): #include removed.
4470 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4471 moved to tree-vectorized.h.
4472 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4473 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4474 get_vectype_for_scalar_type, vect_is_simple_use,
4475 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4476 vect_supportable_dr_alignment, new_loop_vec_info,
4477 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4478 vect_set_verbosity_level, find_loop_location): Likewise.
4480 (vect_analyze_loop): Function externalized. Declaration moved to
4481 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4482 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4483 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4484 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4485 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4486 vect_enhance_data_refs_alignment, vect_analyze_operations,
4487 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4488 vect_stmt_relevant_p, vect_get_loop_niters,
4489 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4490 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4491 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4492 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4493 vect_get_memtag): Likewise.
4495 (vectorizable_load): Function externalized. Declaration moved to
4496 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4497 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4498 vect_transform_loop): Likewise.
4499 (vect_transform_stmt): Moved to tree-vect-transform.c.
4500 (vect_align_data_ref, vect_create_destination_var,
4501 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4502 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4503 vect_get_vec_def_for_operand, vect_init_vector,
4504 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4505 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4506 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4507 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4508 vect_do_peeling_for_loop_bound): Likewise.
4510 * tree-vect-analyze.c: New file.
4511 * tree-vect-transform.c: New file.
4513 2005-02-17 Jason Merrill <jason@redhat.com>
4515 PR mudflap/19319, c++/19317
4516 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4519 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
4521 * doc/install.texi (Specific): Update link for Darwin-specific
4524 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
4526 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4527 constant_boolean_node.
4529 2005-02-16 David Edelsohn <edelsohn@gnu.org>
4532 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4533 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4535 2005-02-16 Richard Henderson <rth@redhat.com>
4538 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4540 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4541 replace uses with Wtype_MAXp1_F.
4542 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4543 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4544 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4545 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4546 and HAVE_TFMODE as appropriate.
4547 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4548 (__floatdisf): Likewise.
4549 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4550 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4551 (Wtype_MAXp1_F): New.
4552 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4553 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4555 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
4558 * arm.c (arm_apply_result_size): New function.
4559 * arm.h (APPLY_RESULT_SIZE): Define.
4560 * arm-protos.h (arm_apply_result_size): Add prototype.
4561 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4562 (movxf): New expand.
4563 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4564 (call_value_symbol): Remove predicate for operand 0.
4565 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4566 (untyped_call): Rework to correclty return values for any type.
4567 (untyped_return): New expand.
4568 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4570 2005-02-16 Stan Shebs <shebs@apple.com>
4572 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4573 * config/rs6000/t-darwin8: New, for 64-bit multilib.
4575 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4577 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4578 configure settings on Solaris 7 and later.
4580 2005-02-16 Diego Novillo <dnovillo@redhat.com>
4582 PR tree-optimization/19865
4583 * tree-optimize.c (init_tree_optimization_passes): Run
4584 pass_may_alias after pass_sra.
4586 2005-02-16 Richard Henderson <rth@redhat.com>
4587 Stuart Hastings <stuart@apple.com>
4590 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4591 Do nothing if debug info suppressed for this function.
4592 (dbxout_begin_function): Early exit if debug info suppressed for
4595 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
4598 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4600 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4602 PR tree-optimization/19967
4603 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4604 expand_builtin_strchr, expand_builtin_strrchr): Take a new
4605 argument TYPE. Adjust calls to fold_builtin_XXX.
4606 (expand_builtin, fold_builtin_1): Adjust calls to
4608 (fold_builtin_strchr, fold_builtin_strpbrk,
4609 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4610 result to a requested type TYPE.
4612 2005-02-16 Jakub Jelinek <jakub@redhat.com>
4615 * fold-const.c (fold): Don't optimize (T)(x & cst) to
4616 (T)x & (T)cst if (T)cst overflows.
4617 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4618 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4620 2005-02-15 Jeff Law <law@redhat.com>
4622 * gcse.c (blocks_with_calls): New bitmap.
4623 (alloc_gcse_mem): Allocate it.
4624 (free_gcse_mem): Free it.
4625 (clear_modifY_mem_tables): Clear it.
4626 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4627 when we encounter CALL_INSNs.
4628 (compute_transp, case MEM): Handle blocks with calls separate
4629 from blocks without calls. Use bitmap iterators rather than
4632 2005-02-15 Peter O'Gorman <peter@pogma.com>
4635 * mklibgcc.in (vis_hide): Use a temporary object file, not
4638 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
4641 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4642 access optimization.
4644 2005-02-15 David Edelsohn <edelsohn@gnu.org>
4645 Alan Modra <amodra@bigpond.net.au>
4648 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4649 (_xlqsub): Rename to __gcc_qsub.
4650 (_xlqmul): Rename to __gcc_qmul.
4651 (_xlqdiv): Rename to __gcc_qdiv.
4652 Provide versioned symbol aliases with old names.
4653 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4654 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4655 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4656 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4657 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4659 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
4661 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
4662 Fold ~(A - 1) and ~(A + -1) to -A.
4664 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
4668 * config/host-linux.c (linux_gt_pch_use_address): Copy from
4669 config/pa/pa-host.c:pa_gt_pch_use_address.
4671 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
4673 * tree-vn.c (get_value_handle): Make sure that given an
4674 is_gimple_min_invariant expression, we always return it.
4676 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
4678 * passes.c (rest_of_handle_gcse): Fix a comment.
4680 2005-02-15 Jeff Law <law@redhat.com>
4682 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4684 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4685 (canon_list_insert, record_last_mem_set_info): Similarly.
4686 (clear_modify_mem_tables): Similarly.
4688 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
4690 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4691 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4692 config/mips/mips.md, config/rs6000/aix.h,
4693 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4695 2005-02-15 Richard Henderson <rth@redhat.com>
4697 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4698 call to be best_edge.
4700 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
4702 * basic-block.h: Adjust the prototype for find_basic_blocks.
4703 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4704 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4707 * flow.c (recompute_reg_usage): Remove all arguments.
4708 * passes.c (rest_of_compilation): Adjust the call to
4709 recompute_reg_usage.
4710 * rtl.h: Adjust the prototype for recompute_reg_usage.
4712 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
4714 * tree-dump.c (dump_files): Update to reflect new member
4716 (dump_register): Add new argument.
4718 (dump_switch_p_1): Check against glob name if doglob was passed.
4719 (dump_switch_p): Check against regular first, then glob if
4720 we didn't have any hits on the dump name.
4721 * tree-optimize.c (register_one_dump_file):
4722 Pass in glob name as well.
4723 * tree-pass.h (struct dump_file_info): Add glob
4726 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
4728 PR preprocessor/16323
4729 * doc/invoke.texi: Document that -Wendif-labels is on by default.
4731 2005-02-14 David Edelsohn <edelsohn@gnu.org>
4734 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4735 (trunctfdf2_internal1): New.
4736 (trunctfdf2_internal2): Renamed from trunctfdf2.
4738 2005-02-14 Diego Novillo <dnovillo@redhat.com>
4740 PR tree-optimization/19853
4741 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4743 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
4745 * passes.c (rest_of_handle_loop_optimize): Remove calls to
4746 delete_dead_jumptables and cleanup_cfg.
4748 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
4750 * reload.c (find_reloads): Swap address_reloaded flags when
4751 swapping commutative operands.
4753 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
4755 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4756 Use standard_iv_increment_position for computing the bsi position
4758 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4761 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4764 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4765 life range of hard registers.
4766 * value-prof.c (insn_prefetch_values_to_profile): Only
4769 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4770 profile in libcalls.
4772 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
4774 * bitmap.h (bitmap_and_compl_into): Return bool.
4775 * bitmap.c (bitmap_and_compl_into): Return changed flag.
4777 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
4779 PR tree-optimization/19944
4780 * fold-const.c (fold): Re-add ABS_EXPR folding.
4782 2005-02-13 David Edelsohn <edelsohn@gnu.org>
4785 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4786 {TARGET,MASK}_XL_COMPAT.
4787 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
4789 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4790 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4792 (rs6000_arg_partial_bytes): Same.
4793 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4794 and XL compatibility enabled.
4795 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4796 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4797 test to final condition.
4798 (cmptf_internal2): New.
4799 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4800 xl-compat. Add TFmode information to description.
4802 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
4804 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4806 2005-02-13 Jason Merrill <jason@redhat.com>
4809 * fold-const.c (fold_indirect_ref_1): Split out from...
4810 (build_fold_indirect_ref): Here.
4811 (fold_indirect_ref): New fn.
4812 * tree.h: Declare it.
4813 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4814 (gimplify_modify_expr_rhs): Likewise.
4815 (gimplify_expr): Likewise.
4817 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
4819 PR tree-optimization/14303
4820 PR tree-optimization/15784
4821 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4822 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
4823 ABS_EXPR<x> != 0 to x != 0.
4825 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
4827 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4828 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
4829 spelling conventions.
4831 * passes.c (rest_of_handle_gcse): Don't run cse_main and
4832 delete_trivially_dead_insns too many times.
4834 * passes.c (rest_of_handle_gcse): Remove dead assignments to
4837 2005-02-12 Ira Rosen <irar@il.ibm.com>
4839 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4840 (vect_is_simple_iv_evolution): Remove redundant parameter
4842 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4843 without last parameter.
4844 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4845 Return pointer step. Call vect_is_simple_iv_evolution without
4846 last parameter. Check only that the step is multiple of size
4847 type. Remove stmt_vinfo updates.
4848 (vect_get_memtag_and_dr): Remove.
4849 (vect_get_memtag): New function.
4850 (vect_address_analysis): New function.
4851 (vect_object_analysis): New function.
4852 (vect_analyze_data_refs): Call vect_object_analysis and
4853 vect_get_memtag. Update stmt_vinfo fields.
4855 2005-02-12 Ira Rosen <irar@il.ibm.com>
4857 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4858 exist and are objects. Remove checks for pointer.
4859 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4860 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4861 (vect_create_data_ref_ptr): Likewise.
4862 (vect_base_addr_differ_p): New function.
4863 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4864 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4865 Don't set the DR_BASE_NAME field of data-ref.
4866 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4868 2005-02-12 Uros Bizjak <uros@kss-loka.si>
4870 * optabs.h (enum optab_index): Add new OTI_ldexp.
4871 (ldexp_optab): Define corresponding macro.
4872 * optabs.c (init_optabs): Initialize ldexp_optab.
4873 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4875 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4877 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4878 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4880 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4881 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4884 2005-02-12 Ira Rosen <irar@il.ibm.com>
4886 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4888 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4890 (vect_get_base_and_offset): Always return an address.
4891 (vect_create_addr_base_for_vector_ref): Remove treatment for
4892 different data reference types.
4893 (vect_compute_data_ref_alignment): Rename base to base_address in
4894 stmt_vec_info. Get the object in order to force its alignment.
4895 (vect_get_memtag_and_dr): Rename base to base_address in
4896 stmt_vec_info. Extract the object for memtag analysis.
4898 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
4900 PR regression/19898.
4901 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4902 changes cc_status, use apply modified_in_p to part of cc_status
4903 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4906 2005-02-11 Richard Henderson <rth@redhat.com>
4908 * tree-complex.c (expand_complex_libcall): New.
4909 (expand_complex_multiplication): Use it for c99 compliance.
4910 (expand_complex_division): Likewise.
4911 * fold-const.c (fold_complex_add, fold_complex_mult): New.
4913 * builtins.c (built_in_names): Remove const.
4914 * tree.c (build_common_builtin_nodes): Build complex arithmetic
4916 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4917 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4918 (built_in_names): Remove const.
4919 * c-common.c (c_common_type_for_mode): Handle complex modes.
4920 * flags.h, toplev.c (flag_complex_method): Rename from
4921 flag_complex_divide_method.
4922 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4923 __mulsc3, __muldc3, __mulxc3, __multc3): New.
4924 * libgcc2.h: Declare them.
4925 * libgcc-std.ver: Export them.
4926 * mklibgcc.in (lib2funcs): Build them.
4928 2005-02-11 Steven Bosscher <stevenb@suse.de>
4930 PR tree-optimization/19876
4931 Partially revert my change from 2005-01-14
4932 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4933 (compute_antic): ...and remove the loop here.
4935 2005-02-11 Jakub Jelinek <jakub@redhat.com>
4938 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4939 is number of inner's bits, avoid creating a BIT_FIELD_REF.
4941 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4942 crtend.o if -pie. Use %{x:a;:b} spec syntax.
4944 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
4946 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4947 offsets for the big-endian 32-bit case.
4949 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
4951 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4953 2005-02-11 Dale Johannesen <dalej@apple.com>
4955 * cselib.c (cselib_process_insn): Clear out regs where
4956 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4957 * reload.c (find_equiv_reg): Ditto.
4959 2005-02-11 Ian Lance Taylor <ian@airs.com>
4961 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4964 * tree.c (build_function_type_list): Work correctly if there are
4967 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
4969 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4970 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4971 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4972 TARGET_ZARCH instead of TARGET_64BIT.
4974 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
4976 * config/rs6000/t-rtems:
4977 (MULTILIB_OPTIONS): Remove mcpu=602.
4978 (MUTLILIB_DIRNAMES): Remove m602.
4979 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4980 Let mcpu=602 match mcpu=603.
4981 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4983 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4985 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4988 2005-02-10 David Daney <ddaney@avtrex.com>
4990 * config/alpha/linux-unwind.h: Add exception clause to copyright.
4991 * config/i386/linux-unwind.h: Likewise.
4992 * config/ia64/linux-unwind.h: Likewise.
4993 * config/mips/linux-unwind.h: Likewise.
4994 * config/pa/linux-unwind.h: Likewise.
4995 * config/rs6000/linux-unwind.h: Likewise.
4996 * config/s390/linux-unwind.h: Likewise.
4997 * config/sh/linux-unwind.h: Likewise.
4998 * config/sparc/linux-unwind.h: Likewise.
5000 2005-02-10 Steven Bosscher <stevenb@suse.de>
5002 PR tree-optimization/17549
5003 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
5004 TER to replace a DEF with its expression if the DEF and the
5005 rhs of the expression we replace into have the same root
5008 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
5010 * config/mips/mips.md: Fix the placement of the match_scratch in the
5013 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
5015 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
5018 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5020 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
5021 (strip_offset): Handle addresses.
5022 (add_address_candidates): Use strip_offset.
5023 (difference_cost): Reflect strip_offset change.
5024 (force_var_cost, difference_cost): Strip nops.
5026 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
5028 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
5030 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
5031 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
5032 config/cris/cris-protos.h, config/cris/cris.c: Update
5035 2005-02-10 Jeff Law <law@redhat.com>
5037 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
5038 (lookup_avail_expr): Similarly.
5040 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
5042 * builtins.c (fold_builtin_powi): New function.
5043 (fold_builtin_1): Call it.
5045 2005-02-10 Steven Bosscher <stevenb@suse.de>
5047 PR documentation/19309
5048 * doc/cpp.texi: The __GNUC__ and related predefined macros
5049 are also defined for the "standalone" cpp.
5050 Some non-GCC compilers may also define __GNUC__.
5052 2005-02-10 Jakub Jelinek <jakub@redhat.com>
5055 * c-typeck.c (common_type): New routine. Old common_type renamed
5057 (c_common_type): ...this.
5058 (build_conditional_expr, build_binary_op): Use c_common_type instead
5061 2005-02-10 Steven Bosscher <stevenb@suse.de>
5063 * doc/md.texi: Replace @samp{length} with @code{length}.
5065 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5067 PR tree-optimization/18687
5068 * tree-flow.h (find_loop_niter): Declare.
5069 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
5070 Try using scev even for loops with more than one exit.
5071 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
5072 (struct ivopts_data): Added niters field.
5073 (struct nfe_cache_elt): New.
5074 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
5076 (tree_ssa_iv_optimize_init): Initialize niters cache.
5077 (determine_number_of_iterations): Removed.
5078 (find_induction_variables): Do not call determine_number_of_iterations.
5079 Access niters for single exit through niter_for_single_dom_exit.
5080 (add_iv_outer_candidates): Access niters for single exit through
5081 niter_for_single_dom_exit.
5082 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
5083 number_of_iterations_cond.
5084 (iv_period): New function.
5085 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
5086 (may_replace_final_value): Take data argument. Use
5087 niter_for_single_dom_exit.
5088 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
5089 (rewrite_use_compare): Pass data to may_eliminate_iv.
5090 (rewrite_use_outer): Pass data to may_replace_final_value.
5091 (free_loop_data): Clean up the niters cache.
5092 (tree_ssa_iv_optimize_finalize): Free the niters cache.
5093 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
5094 * tree-ssa-loop-niter.c (find_loop_niter): New function.
5095 (find_loop_niter_by_eval): Use tree_int_cst_lt.
5096 (num_ending_zeros): Moved to tree.c.
5097 * tree.h (num_ending_zeros): Declare.
5098 * tree.c (num_ending_zeros): Moved from tree.c.
5100 2005-02-09 Richard Henderson <rth@redhat.com>
5102 * builtins.c (DEF_BUILTIN): Add COND argument.
5103 * tree.h (DEF_BUILTIN): Likewise.
5104 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
5105 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
5107 (DEF_BUILTIN_STUB): New.
5108 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
5109 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
5110 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
5111 * c-common.c (DEF_BUILTIN): Add COND argument.
5112 * tree.c (local_define_builtin): New.
5113 (build_common_builtin_nodes): New.
5115 2005-02-09 Roger Sayle <roger@eyesopen.com>
5117 * fold-const.c (fold_strip_sign_ops): New function to simplify a
5118 floating point expression ignoring the sign of the result.
5119 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
5120 (fold) <MULT_EXPR>: Use it to simplify x*x.
5121 * tree.h (fold_strip_sign_ops): Prototype here.
5122 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
5123 argument. Use fold_strip_sign_ops to simplify the first argument.
5124 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
5125 first argument when the second argument is an even integer
5126 constant, but only with -funsafe_math_optimizations.
5127 (fold_builtin_1): Update call to fold_builtin_copysign.
5129 2005-02-09 Ian Lance Taylor <ian@airs.com>
5132 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
5133 just check whether EH_FILTER_FAILURE falls through.
5135 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
5137 * gcc/haifa-sched.c (schedule_block): Make queued sched group
5138 insns return to ready list in the next turn.
5140 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
5143 * builtins.def: New __builtin_powi[lf].
5144 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
5145 (expand_builtin_powi): New function.
5146 (expand_builtin): Dispatch to expand_builtin_powi.
5147 * libgcc2.h: Add prototypes for __builtin_powi[lf].
5148 * libgcc2.c: Add __builtin_powi[lf] implementation.
5149 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
5150 * optabs.h: Add powi_optab.
5151 * optabs.c (init_optabs): Initialize powi_optab.
5152 * doc/extend.texi: Document __builtin_powi[lf].
5154 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
5156 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
5159 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
5162 * fold-const.c (try_move_mult_to_index): Remove redundant
5163 type argument. Create ADDR_EXPR with correct type.
5164 (fold): Update callers of try_move_mult_to_index. Convert
5165 result to the appropriate type.
5167 2005-02-09 Roger Sayle <roger@eyesopen.com>
5170 * config/avr/avr.c (default_rtx_costs): Delete.
5171 (avr_operand_rtx_cost): New function.
5172 (avr_rtx_costs): Completely rewrite.
5174 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
5177 * config/cris/cris.c (in_code): New variable.
5178 (cris_output_addr_const): Now a static function, a wrapper for
5180 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
5181 case from old cris_output_addr_const.
5182 (cris_asm_output_label_ref): Similar for LABEL_REF.
5183 (cris_output_addr_const_extra): Similar for UNSPEC.
5184 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
5185 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
5186 * config/cris/cris-protos.h (cris_output_addr_const): Remove
5188 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
5189 (cris_asm_output_label_ref): Declare.
5191 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
5193 PR preprocessor/19801
5194 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
5195 filenames that changed when libcpp was moved to the toplevel.
5197 2005-02-07 Roger Sayle <roger@eyesopen.com>
5199 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5200 zero extensions of BImode operands. Call lowpart_subreg instead
5201 of gen_lowpart_common and gen_lowpart_SUBREG.
5203 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
5206 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
5207 * configure.ac: Set cc_for_cross_gnattools.
5208 * configure: Regenerate.
5210 2005-02-08 Alan Modra <amodra@bigpond.net.au>
5213 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
5215 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5218 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
5219 of nested functions.
5221 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
5223 * doc/extend.texi: Document deprecated extensions allowing
5224 static floating-point members to have initializers and allowing
5225 floating-point literals in integral constant expressions.
5227 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
5229 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
5230 config/darwin7.h, config/mips/mips.c,
5231 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
5234 * cse.c: Update comments.
5236 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
5239 * builtins.c (fold_builtin_sqrt): Transform
5240 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
5243 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
5244 Dorit Naishlos <dorit@il.ibm.com>
5246 * doc/invoke.texi (ftree-vectorizer-verbose): New.
5247 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
5248 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
5250 * tree.h (vect_set_verbosity_level): New extern function declaration
5252 * tree-vectorizer.h (verbosity_levels): New enum type.
5253 * tree-vectorizer.c (vect_debug_stats): Function removed.
5254 (vect_debug_details): Likewise.
5255 (vect_verbosity_level): Global variable was defined and initialized.
5256 (vect_dump): Global variable definition.
5257 (vect_print_dump_info): New function.
5258 (vect_set_dump_settings): New function.
5259 (vect_set_verbosity_level): New function.
5260 (vectorize_loops): Add call to vect_set_dump_settings.
5262 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
5263 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5264 (slpeel_tree_peel_loop_to_edge): Likewise.
5266 (vect_analyze_offset_expr): Call to vect_print_dump_info with
5267 appropriate verbosity level instead of call to vect_debug_details
5268 or vect_debug_stats.
5269 (vect_get_base_and_offset):
5270 (vect_create_addr_base_for_vector_ref):
5271 (get_vectype_for_scalar_type):
5272 (vect_create_data_ref_ptr):
5274 (vect_get_vec_def_for_operand):
5275 (vect_finish_stmt_generation):
5276 (vectorizable_assignment):
5277 (vectorizable_operation):
5278 (vectorizable_store):
5279 (vectorizable_load):
5280 (vect_transform_stmt):
5281 (vect_update_ivs_after_vectorizer):
5282 (vect_do_peeling_for_loop_bound):
5283 (vect_update_inits_of_drs):
5284 (vect_do_peeling_for_alignment):
5285 (vect_transform_loop):
5286 (vect_is_simple_use):
5287 (vect_analyze_operations):
5288 (vect_is_simple_iv_evolution):
5289 (vect_analyze_scalar_cycles):
5290 (vect_analyze_data_ref_dependence):
5291 (vect_analyze_data_ref_dependences):
5292 (vect_compute_data_ref_alignment):
5293 (vect_enhance_data_refs_alignment):
5294 (vect_analyze_data_refs_alignment):
5295 (vect_analyze_data_ref_access):
5296 (vect_analyze_data_ref_accesses):
5297 (vect_analyze_pointer_ref_access):
5298 (vect_get_memtag_and_dr):
5299 (vect_analyze_data_refs):
5300 (vect_mark_relevant):
5301 (vect_stmt_relevant_p):
5302 (vect_mark_stmts_to_be_vectorized):
5303 (vect_can_advance_ivs_p):
5304 (vect_get_loop_niters):
5305 (vect_analyze_loop_form):
5306 (vect_analyze_loop):
5307 (vectorize_loops): Likewise.
5309 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5310 (vect_update_inits_of_drs):
5311 (vect_do_peeling_for_alignment):
5312 (vect_transform_loop):
5313 (vect_analyze_operations):
5314 (vect_analyze_scalar_cycles):
5315 (vect_analyze_data_ref_dependences):
5316 (vect_analyze_data_refs_alignment):
5317 (vect_analyze_data_ref_accesses):
5318 (vect_analyze_data_refs):
5319 (vect_mark_stmts_to_be_vectorized):
5320 (vect_get_loop_niters):
5321 (vect_analyze_loop_form):
5322 (vect_analyze_loop): Likewise.
5323 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5325 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
5329 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
5330 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5331 either -ffast-math or -funsafe-math-optimizations is in use.
5333 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
5334 * config/mips/irix-csr.c: New file.
5335 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5336 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5337 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5340 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
5342 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5343 redundant, incorrect definitions.
5345 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5347 ("*tls_indirect_call"): New, reference hard regs directly.
5348 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5350 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
5352 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5353 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5355 2005-02-06 Roger Sayle <roger@eyesopen.com>
5357 PR rtl-optimization/19800
5358 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5359 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5362 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
5364 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5366 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
5369 * doc/invoke.texi: Correct documentation of -freorder-functions.
5371 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
5374 * doc/invoke.texi: Don't mention gccbug.
5376 2005-02-06 Roger Sayle <roger@eyesopen.com>
5377 Andrew Pinski <pinskia@physics.uc.edu>
5378 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
5380 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5381 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5382 into just (zero_extract:SI FOO (const_int 1) BAR).
5384 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
5386 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
5387 macro locally. Don't give last revision date. Use GCC version
5388 number from gcc-common.texi.
5389 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
5390 revision date. Use GCC version number from gcc-common.texi.
5391 Describe being a library as current state rather than as 3.x
5393 * doc/gcc.texi: Remove last update date.
5394 * doc/gccint.texi: Likewise. Update copyright dates.
5395 * doc/install.texi: Update copyright dates.
5397 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
5400 * doc/invoke.texi: Mention for each option included in -Wall that
5401 it is included in -Wall.
5402 * doc/gcc.texi: Update copyright and last modification date.
5404 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5406 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5407 unnecessary cast to original induction variable increments.
5409 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5411 PR tree-optimization/18219
5412 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5413 in distributed form.
5415 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
5417 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5418 Set bitpos and offset later in the function. Do nothing if the
5419 target is a register and if the bitfield lies completely outside
5421 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5422 here. Return an uninitialised register if the source value is stored
5423 in a register and the bitfield lies completely outside that register.
5425 2005-02-06 Steven Bosscher <stevenb@suse.de>
5427 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5430 2005-02-06 Marcin Dalecki <martin@dalecki.de>
5432 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5434 2005-02-06 Geoffrey Keating <geoffk@apple.com>
5436 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5437 * config/darwin8.h: New.
5438 * config/darwin7.h: Update comment.
5440 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
5441 Dorit Naishlos <dorit@il.ibm.com>
5443 * tree-vectorizer.h (LOC): New type.
5444 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5445 (loop_line_number): New field in struct _loop_vec_info.
5446 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5448 * tree-vectorizer.c (input.h): Included.
5449 (find_loop_location): New function.
5450 (vect_debug_stats): Argument changed from loop to LOC. Computation of
5451 loop line number removed.
5452 (vect_debug_details): Likewise.
5453 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5455 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5456 call to vect_debug_details/stats changed from loop to loop_loc.
5457 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5458 (slpeel_tree_peel_loop_to_edge): Likewise.
5460 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5461 changed from NULL to UNKNOWN_LOC.
5462 (vect_get_base_and_offset):
5463 (vect_create_addr_base_for_vector_ref):
5464 (get_vectype_for_scalar_type):
5465 (vect_create_data_ref_ptr):
5467 (vect_get_vec_def_for_operand):
5468 (vect_finish_stmt_generation):
5469 (vectorizable_assignment):
5470 (vectorizable_operation):
5471 (vectorizable_store):
5472 (vectorizable_load):
5473 (vect_transform_stmt):
5474 (vect_update_ivs_after_vectorizer):
5475 (vect_do_peeling_for_loop_bound):
5476 (vect_do_peeling_for_alignment):
5477 (vect_transform_loop):
5478 (vect_is_simple_use):
5479 (vect_analyze_operations):
5480 (vect_is_simple_iv_evolution):
5481 (vect_analyze_scalar_cycles):
5482 (vect_analyze_data_ref_dependences):
5483 (vect_compute_data_ref_alignment):
5484 (vect_enhance_data_refs_alignment):
5485 (vect_analyze_data_ref_access):
5486 (vect_analyze_data_ref_accesses):
5487 (vect_analyze_pointer_ref_access):
5488 (vect_get_memtag_and_dr):
5489 (vect_analyze_data_refs):
5490 (vect_mark_relevant):
5491 (vect_stmt_relevant_p):
5492 (vect_mark_stmts_to_be_vectorized):
5493 (vect_can_advance_ivs_p):
5494 (vect_get_loop_niters):
5495 (vect_analyze_loop):
5496 (vectorize_loops): Likewise.
5498 (vectorizable_load): Argument in call to vect_debug_details/stats
5499 changed from loop to LOOP_LOC (loop_vinfo).
5500 (vect_transform_loop):
5501 (vect_analyze_operations):
5502 (vect_analyze_scalar_cycles):
5503 (vect_analyze_data_ref_dependence):
5504 (vect_enhance_data_refs_alignment):
5505 (vect_analyze_data_ref_accesses):
5506 (vect_analyze_pointer_ref_access):
5507 (vect_analyze_data_refs):
5508 (vect_analyze_loop): Likewise.
5510 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5511 changed from loop to loop_loc.
5513 (vect_enhance_data_refs_alignment): Removed unused variable loop.
5515 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
5516 Dorit Naishlos <dorit@il.ibm.com>
5518 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5520 (vect_analyze_data_ref_dependences): Likewise.
5522 (vect_is_simple_use): Argument changed from loop structure to
5523 loop_vect_info structure.
5524 (vect_can_advance_ivs_p): Likewise.
5525 (vect_create_index_for_vector_ref): Likewise.
5526 (vect_update_ivs_after_vectorizer): Likewise.
5527 (new_stmt_vec_info): Likewise.
5529 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5530 changed from loop to loop_vinfo.
5531 (vect_create_data_ref_ptr): First argument in call to
5532 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5533 (vectorizable_assignment): Second argument in call to vect_is_simple_use
5534 was changed from loop to loop_vinfo.
5535 (vectorizable_operation): Likewise.
5536 (vectorizable_store): Likewise.
5537 (vect_mark_stmts_to_be_vectorized): Likewise.
5538 (vect_do_peeling_for_loop_bound): First argument in call to
5539 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5540 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5541 was changed from loop to loop_vinfo.
5542 (vect_analyze_data_ref_dependences): Third argument in call to
5543 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5545 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5546 (vect_create_data_ref_ptr): Likewise.
5547 (vect_init_vector): Likewise.
5548 (vect_get_vec_def_for_operand): Likewise.
5549 (vectorizable_assignment): Likewise.
5550 (vectorizable_operation): Likewise.
5551 (vectorizable_store): Likewise.
5552 (vectorizable_load): Likewise.
5553 (vect_update_ivs_after_vectorizer): Likewise.
5554 (vect_is_simple_use): Likewise.
5555 (vect_analyze_data_ref_dependence): Likewise.
5556 (vect_analyze_pointer_ref_access): Likewise.
5557 (vect_can_advance_ivs_p): Likewise.
5559 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5560 before _stmt_vec_info.
5561 (_stmt_vec_info): Loop field replaced by loop_vec_info.
5562 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5563 (new_stmt_vec_info): Argument changed from loop structure to
5564 loop_vect_info structure
5566 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5567 (vect_analyze_offset_expr): Avoid 80 columns overflow.
5568 (vect_create_addr_base_for_vector_ref): Likewise.
5569 (vect_analyze_pointer_ref_access): Likewise.
5571 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
5574 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5575 phi flag if the phi is abnormal.
5577 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
5580 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5581 information for the new statement.
5583 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
5586 * gcc.c (main): Include the target in -v output.
5588 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
5590 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5591 Do not drop the extend if we'd have to add a paradoxical subreg
5592 later. Include optabs.h and insn-codes.h.
5593 * Makefile.in (combine.o): Depend on $(OPTABS_H).
5595 2005-02-02 Roger Sayle <roger@eyesopen.com>
5598 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5599 * fold-const.c (const_binop): Avoid constant folding floating
5600 point operations in modes that use composite representations.
5601 * simplify-rtx.c (simplify_binary_operation): Likewise.
5603 2005-02-02 Geoffrey Keating <geoffk@apple.com>
5605 * config/rs6000/altivec.md (altivec_dst): Make the first operand
5607 (altivec_dstt): Likewise.
5608 (altivec_dstst): Likewise.
5609 (altivec_dststt): Likewise.
5610 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5613 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
5615 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5616 EXPR_LOCUS from orig_cond to the new cond_stmt.
5617 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5620 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
5622 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5623 standard_iv_increment_position. Remove call to bsi_next
5624 (no need to bump the iterator anymore).
5625 (vect_create_index_for_vector_ref): Call
5626 standard_iv_increment_position. Remove second function argument.
5627 (vect_finish_stmt_generation): Remove call to bsi_next
5628 (no need to bump the iterator anymore).
5629 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5630 to vect_create_index_for_vector_ref.
5632 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
5634 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5635 phis are used out of the loop.
5637 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
5640 * c-decl.c (undef_nested_function): New variable.
5641 (pop_scope): Diagnose undefined nested functions.
5642 (finish_function): Don't attempt cgraph processing or genericizing
5643 if current top-level function contained an undefined nested
5644 function. Reset undef_nested_function at the end of a top-level
5647 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5649 * tree.c (build_int_cst_type): Take sign of the value into account
5650 when deciding whether sign extend the value.
5652 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
5655 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5656 (cpp_options, cc1_options): Change %{std*&ansi} to
5657 %{std*&ansi&trigraphs}.
5659 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
5661 * cse.c: Update comments.
5663 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
5665 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5666 arguments go on the stack. Do not put complex doubles in odd/even
5669 2005-02-02 Steven Bosscher <stevenb@suse.de>
5671 * doc/invoke.texi: Update the options enabled at -O1, -O2,
5672 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
5673 -ftree-pre, and -fthread-jumps.
5675 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
5677 PR tree-optimization/19578
5678 * tree-flow.h (modified_noreturn_calls): Declare.
5679 (noreturn_call_p): Declare.
5680 * tree-flow-inline.h (noreturn_call_p): New function.
5681 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5682 * tree-cfg.c (modified_noreturn_calls): New variable.
5683 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
5684 that contain a mid-block noreturn call.
5685 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5687 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
5689 * df.c (df_def_record_1, df_uses_record): Don't use
5691 * df.h (DF_FOR_REGALLOC): Remove.
5693 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
5696 * c-typeck.c (really_start_incremental_init): Reset
5697 constructor_max_index for arrays of incomplete type.
5699 2005-02-02 Jeff Law <law@redhat.com>
5701 * gcse.c (struct reg_set): Store the block index where the register
5702 was set rather than the setting insn.
5703 (record_one_set, compute_transp): Corresponding changes.
5704 (pre_insert_copy_insn): Do not call replace_one_set.
5705 (replace_one_set): Remove.
5707 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
5710 * doc/gcov.texi: Fix typo.
5712 2005-02-01 Richard Henderson <rth@redhat.com
5715 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5716 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5718 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5719 * config/i386/i386-protos.h: Update.
5721 2005-02-01 Steven Bosscher <stevenb@suse.de>
5723 PR tree-optimization/19217
5724 * tree-cfg.c (verify_expr): Use the data field to see if TP was
5725 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
5726 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5727 that it is walking a PHI node.
5729 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
5731 * doc/extend.texi (Nested Functions): Update.
5733 2005-02-01 Richard Henderson <rth@redhat.com>
5736 * optabs.c (expand_copysign_absneg): Export.
5737 * optabs.h (expand_copysign_absneg): Declare.
5738 * config/rs6000/rs6000.md (copysigntf3): New.
5740 2005-02-01 Diego Novillo <dnovillo@redhat.com>
5742 PR tree-optimization/19633
5743 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5744 * tree-ssa-alias.c (init_alias_info): Initialize.
5745 (merge_pointed_to_info): Set.
5746 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5747 (dump_points_to_info_for): Show value of pt_null.
5748 (struct count_ptr_d): Declare.
5749 (find_ptr_dereference): Remove.
5750 (ptr_is_dereferenced_by): Remove.
5751 (count_ptr_derefs): New local function.
5752 (count_uses_and_derefs): New local function.
5753 (compute_points_to_and_addr_escape): Call it. If the number
5754 of dereferences is greater than zero, mark the pointer as
5755 dereferenced. If there are fewer dereferences than uses of
5756 the pointer, the pointer's value escapes.
5758 2005-02-01 Diego Novillo <dnovillo@redhat.com>
5760 PR tree-optimization/19670
5761 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5763 (verify_use): ... set it here, instead.
5765 2005-02-01 Janis Johnson <janis187@us.ibm.com>
5767 * doc/sourcebuild.texi (Test directives): Fix formatting.
5769 * doc/sourcebuild.texi (Test directives): Describe selector
5772 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
5774 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5775 specific 64-bit CPUs.
5777 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
5780 * arm.c (arm_eliminable_register): New function.
5781 (adjacent_mem_locations): Don't allow eliminable registers. Use
5782 HOST_WIDE_INT for address offsets.
5783 * arm-protos.h (arm_eliminable_register): Add prototype.
5785 2005-02-01 Steven Bosscher <stevenb@suse.de>
5787 PR optimization/15242
5788 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5789 * basic-block.h (duplicate_computed_gotos): Add prototype.
5790 * bb-reorder.c (duplicate_computed_gotos): New function to
5791 duplicate sufficiently small blocks ending in a computed jump.
5792 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5793 if not optimizing for size.
5794 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5795 never do tail merging for blocks ending in a computed jump.
5796 * doc/invoke.texi: Document the max-goto-duplication-insns param.
5798 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
5800 Patch from Richard Sandiford <rsandifo@redhat.com>
5801 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5802 from inheriting a subreg equivalence with a non-spill register.
5804 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5806 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
5808 * config/frv/frv.c (movcc_fp_destination_operand): New.
5809 (gpr_or_memory_operand): Fix typo in comment.
5810 (gpr_or_memory_operand_with_scratch): New.
5811 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5812 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5813 movcc_fp_destination_operand.
5814 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5815 Legitimize memory addresses using a scratch register.
5817 2005-01-31 Jeff Law <law@redhat.com>
5819 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5820 bitmap a sparse bitmap instead of a simple bitmap.
5821 (mark_def_sites_initialize_block): Corresponding changes.
5822 (ssa_mark_def_sites_initialize_block): Likewise.
5823 (ssa_mark_phi_uses): Likewise.
5824 (mark_def_site, ssa_mark_def_sites): Likewise.
5825 (mark_def_site_blocks): Likewise.
5826 (rewrite_ssa_into_ssa): Likewise.
5828 * tree-ssa-dom.c (record_cond): Pass correct variable type
5829 for last argument to htab_find_slot_with_hash.
5831 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5832 effects when optimizing 0 % X. Do not try to optimize X % 0.
5834 2005-01-31 James E. Wilson <wilson@specifixinc.com>
5836 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5839 2005-02-01 Eric Christopher <echristo@redhat.com>
5841 * config/mips/mips.c (override_options): Warn if -mint64
5843 * doc/invoke.texi (MIPS Options): Document that -mint64 is
5846 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
5848 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
5850 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5851 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5852 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5853 (cached_regno): Initialize to INVALID_REGNUM.
5854 (cse_reg_info_table_size,
5855 cse_reg_info_table_first_uninitialized,
5856 cse_reg_info_timestamp): New.
5857 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5859 (init_cse_reg_info, get_cse_reg_info_1): New.
5860 (get_cse_reg_info): Cache the last look-up.
5861 (new_basic_block): Update the code to clear mappings from
5862 registers to cse_reg_info entries.
5863 (cse_main): Call init_cse_reg_info.
5865 * cse.c (get_cse_reg_info): Update a comment.
5867 2005-01-31 Steven Bosscher <stevenb@suse.de>
5870 * c-decl.c (start_decl): Do not warn about arrays of elements with
5871 an incomplete type here.
5872 (grokdeclarator): Do it here by making a pedwarn an error.
5873 * c-typeck.c (push_init_level): If there were previous errors with
5874 the constructor type, do not warn about braces for initializers.
5875 (process_init_element): Likewise for excess initializer elements.
5877 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
5879 * cse.c (delete_trivially_dead_insn): Don't iterate.
5881 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5883 * config/rs6000/rs6000.md (copysignsf3): New expand.
5884 (copysigndf3): Likewise.
5886 2005-01-31 Steven Bosscher <stevenb@suse.de>
5888 * recog.c (constrain_operands): Only look for earlyclobber operand
5889 conflicts if an '&' constraint was seen.
5891 2005-01-31 Marc Espie <espie@openbsd.org>
5893 * config.gcc: Don't include embedded systems fragment, switches default
5894 debugging format to ELF.
5895 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5896 longer pick it up there.
5898 2005-01-31 Dale Johannesen <dalej@apple.com>
5900 * doc/extend.texi (nested functions): Fix linkage description.
5901 Clarify that static is not allowed.
5903 2005-01-31 Dale Johannesen <dalej@apple.com>
5905 * config/rs6000/darwin.md (movsf_low_di): Make work.
5906 (movdf_low_di): Make work.
5908 2005-01-31 Dale Johannesen <dalej@apple.com>
5910 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5911 Make work for 64 bit.
5913 2005-01-31 Roger Sayle <roger@eyesopen.com>
5914 Dale Johannesen <dalej@apple.com>
5917 * fold-const.c (fold_binary_op_with_conditional_arg):
5918 Make types match original operands, before STRIP_NOPS.
5920 2005-01-31 Alan Modra <amodra@bigpond.net.au>
5922 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5923 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
5924 (struct gcc_sigcontext): Delete. Merge contents to..
5925 (struct gcc_ucontext): ..here.
5926 (get_sigcontext): Delete.
5927 (get_regs): New function, like get_sigcontext but return regs ptr.
5928 64-bit version finds regs from r1 to support vdso.
5929 (ppc_linux_aux_vector): New function.
5930 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
5933 2005-01-31 Ira Rosen <irar@il.ibm.com>
5935 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5937 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5938 redundant fold. Fix misalignment for MINUS_EXPR.
5939 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5940 (vect_analyze_pointer_ref_access): Likewise.
5941 (vect_get_memtag_and_dr): Likewise.
5943 2005-01-31 Richard Henderson <rth@redhat.com>
5945 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5946 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5947 absnegdf2_i387, absnegxf2_i387): Likewise.
5949 2005-01-31 Richard Henderson <rth@redhat.com>
5952 * optabs.c (expand_copysign_absneg): New.
5953 (expand_copysign_bit): Split out from ...
5954 (expand_copysign): ... here. Use expand_copysign_absneg.
5956 2005-01-30 Roger Sayle <roger@eyesopen.com>
5959 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5960 constant as the second operand and a register as the third.
5962 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
5965 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
5966 that dllimport'd functions do not use all call-clobbered registers
5969 2005-01-30 Richard Henderson <rth@redhat.com>
5972 * optabs.c (expand_absneg_bit): Split out from expand_unop and
5973 expand_abs_nojump and generalize. Use operand_subword and
5974 emit_no_conflict_block. Support large modes.
5975 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
5977 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
5978 negation to subtraction.
5979 (expand_copysign): Check that the format has signed zeros.
5980 Use operand_subword and emit_no_conflict_block. Support large modes.
5982 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
5984 Fix PR tree-optimization/19624
5986 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5987 * tree-ssa-pre.c: Add cfgloop.h.
5989 (pre_stats): New member, constified.
5990 (inserted_exprs): New static variable.
5991 (NECESSARY): New macro.
5992 (create_expression_by_pieces): Fold the expression, and
5993 mark it as defaulting to not necessary. Also put in
5995 (fully_constant_expression): New function.
5996 (insert_into_preds_of_block): Modify to not insert phis when we
5997 are playing with induction variables.
5998 Push phis onto the inserted_exprs vector, and mark them as not
5999 necessary by default.
6000 (insert_aux): Call fully_constant_expression on eprime.
6001 If all edges produce the same value, mark it constant.
6002 (mark_operand_necessary): New function.
6003 (remove_dead_inserted_code): New function.
6004 (init_pre): Init loop optimizer to get loop info.
6005 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
6006 (execute_pre): Commit edge inserts, then remove dead code.
6008 2005-01-30 Richard Henderson <rth@redhat.com>
6010 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
6011 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
6013 2005-01-30 Richard Henderson <rth@redhat.com>
6016 * config/i386/i386.c (ix86_expand_copysign): New.
6017 (ix86_split_copysign_const): New.
6018 (ix86_split_copysign_var): Rename from ix86_split_copysign,
6019 rearrange op1/nmask operands.
6020 * config/i386/i386-protos.h: Update.
6021 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
6022 (copysigndf3): Likewise.
6023 (copysignsf3_const, copysigndf3_const): New.
6024 (copysignsf3_var): Rename from copysignsf3, split out splitter
6025 and fix split predicate for X constraint.
6026 (copysigndf3_var): Similarly.
6028 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
6030 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
6031 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
6032 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
6034 2005-01-29 Richard Henderson <rth@redhat.com>
6037 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
6038 of # and * in constraints.
6040 2005-01-29 Richard Henderson <rth@redhat.com>
6043 * expr.c (store_field): Don't strip sub-mode cast when the input
6044 data is even smaller.
6046 2005-01-29 Richard Henderson <rth@redhat.com>
6049 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
6052 2005-01-29 Richard Henderson <rth@redhat.com>
6054 * combine.c (make_field_assignment): Fix argument order
6057 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
6059 PR tree-optimization/15791
6060 * fold-const.c (extract_array_ref): New function.
6061 (fold): Fold comparisons between &a[i] and &a[j] or
6062 semantically equivalent trees.
6064 2005-01-29 Jeff Law <law@redhat.com>
6066 * gcse.c (insert_expr_in_table): Revamp handling of available
6067 and anticipatable occurrence lists to avoid unnecessary list
6069 (insert_set_in_table): Similarly.
6071 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
6073 * c-common.c (fix_string_type): Just use c_build_qualified_type to
6075 (c_build_qualified_type): Build qualified array types with
6076 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
6077 * c-decl.c (c_make_fname_decl): Build unqualified array type
6078 before qualified type.
6079 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
6080 type is qualified, not just if type itself is. Don't apply
6081 qualifiers to array type when declarator is processed. Apply
6082 qualifiers to field type whether or not it is an array type.
6083 Don't handle array types specially for applying qualifiers to
6085 * c-typeck.c (composite_type): Build unqualified element type and
6086 array type when forming composite of array types.
6087 (common_pointer_type, comptypes, comp_target_types,
6088 type_lists_compatible_p, build_indirect_ref, build_array_ref,
6089 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
6091 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
6092 (args2) in variables a1 and a2.
6094 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
6096 * cse.c (n_elements_made, max_elements_made): Remove.
6097 (insert): Don't touch n_elements_made.
6098 (cse_main): Don't touch n_elements_made or max_elements_made.
6100 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
6103 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
6104 configuration part of dp-bit.c to be lost.
6106 2005-01-28 Roger Sayle <roger@eyesopen.com>
6108 * expmed.c (expand_mult_highpart_optab): When attempting to use
6109 a non-widening multiplication in a wider mode, the operands need
6110 to be converted (zero or sign extended) to that mode.
6112 2005-01-28 Ian Lance Taylor <ian@airs.com>
6116 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
6117 through if both operands fall through.
6119 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
6121 * cse.c (fold_rtx) <PC>: Don't optimize.
6123 2005-01-28 Jeff Law <law@redhat.com>
6125 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
6126 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
6128 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
6130 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
6131 cse_reg_info_used_list_end): Remove.
6132 (cse_reg_info_list, cse_reg_info_list_free): New.
6133 (get_cse_reg_info): When allocating an instance of
6134 cse_reg_info, add it to the beginning of the cse_reg_info_list
6135 list. Remove code to maintain cse_reg_info_used_list.
6136 (new_basic_block): Reset the free list to the beginning of
6139 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
6141 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
6142 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
6143 (frv_expand_mdpackh_builtin): New function.
6144 (frv_expand_builtin): Use it to expand __MDPACKH.
6145 * doc/extend.texi (__MDPACKH): Update documentation.
6147 2005-01-28 Uros Bizjak <uros@kss-loka.si>
6149 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
6150 SSE_FLOAT_MODE_P for use_sse computation.
6152 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
6155 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
6157 2005-01-27 Richard Henderson <rth@redhat.com>
6159 * builtins.c (expand_builtin_copysign): New.
6160 (expand_builtin): Call it.
6161 * genopinit.c (optabs): Add copysign_optab.
6162 * optabs.c (init_optabs): Initialize it.
6163 (expand_copysign): New.
6164 * optabs.h (OTI_copysign, copysign_optab): New.
6165 (expand_copysign): Declare.
6167 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
6168 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
6170 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
6171 (ix86_expand_fp_absneg_operator): ... here.
6172 (ix86_split_copysign): New.
6173 * config/i386/i386-protos.h: Update.
6174 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
6175 (copysignsf3, copysigndf3): New.
6177 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
6178 (copysignsf3, ncopysignsf3): New.
6179 (copysigndf3, ncopysigndf3): New.
6180 (copysignxf3, ncopysignxf3): New.
6181 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
6183 2005-01-27 Arend Bayer <arend.bayer@web.de>
6184 Kazu Hirata <kazu@cs.umass.edu>
6186 * cse.c: (find_best_addr): Don't call copy_rtx before calling
6187 fold_rtx. Save cost recomputation if fold_rtx did nothing.
6188 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
6191 2005-01-27 Jeff Law <law@redhat.com>
6193 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
6194 definitions of SSA_NAMEs which are not being rewritten.
6195 (rewrite_ssa_into_ssa): Only initialize the current definition
6196 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
6197 If checking is enabled, assert that SSA_NAME_AUX is clear for all
6198 SSA_NAMEs before returning.
6200 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
6202 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
6203 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
6204 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
6205 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
6206 config/mips/iris6.h, config/sh/sh.c: Update copyright.
6208 2005-01-27 Steven Bosscher <stevenb@suse.de>
6211 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
6212 higher to -O2 and higher. Likewise for tree PRE.
6213 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
6216 2005-01-27 Ian Lance Taylor <ian@airs.com>
6219 * gimple-low.c (try_catch_may_fallthru): New static function.
6220 (block_may_fallthru): Handle TRY_CATCH_EXPR.
6221 * tree-inline.c (expand_call_inline): Don't warn about reaching
6222 the end of a non-void function being inlined if the function uses
6225 2005-01-27 Jakub Jelinek <jakub@redhat.com>
6227 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
6230 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
6231 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
6232 (implicitly_declare): Handle error_mark_node.
6234 2005-01-27 Richard Henderson <rth@redhat.com>
6237 * tree.h (struct tree_decl): Add debug_expr_is_from.
6238 (DECL_DEBUG_EXPR_IS_FROM): New.
6239 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
6240 * dwarf2out.c (dwarf2out_var_location): Update to match.
6241 * tree-outof-ssa.c (create_temp): Likewise.
6242 * var-tracking.c (track_expr_p): Likewise.
6243 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
6244 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
6245 * toplev.c (default_tree_printer): Likewise.
6247 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
6249 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
6250 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
6252 2005-01-27 Steven Bosscher <stevenb@suse.de>
6254 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
6255 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
6256 ASM_CLOBBERS): Add tree checks.
6258 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
6259 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
6260 * c-common.def (SWITCH_STMT): Update to match.
6261 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
6262 macros instead of SWITCH_EXPR ones.
6263 * c-dump.c (c_dump_tree): Likewise.
6264 * c-gimplify.c (gimplify_switch_stmt): Likewise.
6265 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
6267 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
6269 2005-01-27 Alan Modra <amodra@bigpond.net.au>
6271 * unwind-dw2.c (execute_stack_op): Add missing cases for
6272 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
6274 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
6276 * config.gcc (Obsolete configurations): Remove 'dummy', add
6277 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
6280 2005-01-26 Diego Novillo <dnovillo@redhat.com>
6282 PR tree-optimization/19633
6283 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
6285 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6286 are no call-clobbered variables.
6287 * tree-outof-ssa.c (check_replaceable): Return false for calls
6290 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
6292 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6293 even for variables with NULL DECL_INITIAL.
6295 2005-01-26 Stuart Hastings <stuart@apple.com>
6297 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6299 2005-01-26 Richard Henderson <rth@redhat.com>
6302 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6304 * expr.c (store_field): Strip conversions to odd-bit-sized types
6305 if the destination field width matches.
6307 2005-01-26 Richard Henderson <rth@redhat.com>
6309 * c-decl.c, expmed.c, expr.c: Revert last change.
6311 2005-01-26 Richard Henderson <rth@redhat.com>
6314 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6316 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6317 if we don't need the bits above those present in the current mode.
6318 * expr.c (store_field): Strip conversions to odd-bit-sized types
6319 if the destination field width matches.
6321 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
6323 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6324 either -ffast-math or -funsafe-math-optimizations is in use.
6326 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
6330 * config/avr/avr.c (notice_update_cc): Only set condition code for
6331 ashrqi3 if shift count > 0.
6332 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6333 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6334 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6335 count <= 0 as a no-op, and shift count >= width by copying zero
6336 or sign bit to all bits of the result.
6337 * config/avr/avr.md (all shifts): Add alternatives for zero shift
6338 count, with attribute "length" set to 0 and "cc" set to "none".
6340 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
6342 * doc/invoke.texi: Document -mTLS.
6344 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6345 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6346 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6347 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6348 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6349 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6350 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6351 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6353 * configure.ac: Check for a TLS capable gas.
6355 * configure: Regenerate.
6357 2005-01-26 Richard Henderson <rth@redhat.com>
6360 * combine.c (make_field_assignment): Simplify store to zero_extract
6361 from a source with an overlapping mask.
6363 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
6365 2004-11-11 Eric Christopher <echristo@redhat.com>
6367 * config/frv/frv.md: Add fr400_integer automaton. Don't
6368 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6371 2005-01-26 Steven Bosscher <stevenb@suse.de>
6374 * cfgbuild.c (make_edges): Do not clear or set
6375 current_function_has_computed_jump.
6376 * function.h (struct function): Remove the has_computed_jump field.
6377 (current_function_has_computed_jump): Do not define.
6378 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6379 in a computed jump. Ignore current_function_has_computed_jump.
6381 2005-01-26 Richard Henderson <rth@redhat.com>
6384 * expr.c (categorize_ctor_elements): New argument p_must_clear.
6385 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
6387 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6388 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
6389 objects into static storage if they have more than one non-zero value.
6390 * tree.h (categorize_ctor_elements): Update decl.
6392 2005-01-26 Steven Bosscher <stevenb@suse.de>
6395 * tree.h (CALL_EXPR_TAILCALL): Add comment.
6396 * calls.c (check_sibcall_argument_overlap_1): Revert the change
6397 to this function from 2004-07-10.
6398 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6399 the current function for tail call optimizations if the address
6400 of one of it its arguments is taken.
6402 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
6404 * cse.c (fold_rtx): Call equiv_constant only when necessary.
6406 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
6408 * function.c (expand_function_end): If current_function_calls_alloca,
6409 emit stack restore in a place that is reached when the function falls
6412 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
6414 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6415 rule to avoid matching inappropriate suffix rule.
6417 2005-01-26 Jan Hubicka <jh@suse.cz>
6419 PR tree-optimization/19241
6420 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6422 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
6424 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6425 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
6427 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6428 <sim*>: Always use crt1.o, regardless of N in simN.
6429 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6430 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6431 (CRT_CALL_STATIC_FUNCTION): Remove.
6432 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6433 use crt1.o, regardless of N in simN.
6434 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6435 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6436 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6437 case isystem setting.
6438 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6440 2005-01-25 Ian Lance Taylor <ian@airs.com>
6442 * gimple-low.c (block_may_fallthru): Correct handling of
6443 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6445 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
6447 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6448 handlers to match indentation; nested under the mtune=* handler.
6449 Similar for mcpu= and march=.
6451 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
6453 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6454 * config/mips/linux64.h (LIB_SPEC): Likewise.
6455 * config/mn10300/linux.h (LIB_SPEC): Likewise.
6456 * config/sh/linux.h (LIB_SPEC): Likewise.
6458 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
6460 * config/frv/frv.c (frv_legitimize_tls_address): New.
6461 (TARGET_HAVE_TLS): Define.
6462 (FRV_SYMBOL_REF_TLS_P): Define.
6463 (frv_override_options): Handle new register classes.
6464 (frv_legitimate_address_p): Reject tls addresses.
6465 (frv_legitimize_address): Handle TLS addresses.
6466 (gen_inlined_tls_plt): New.
6468 (frv_legitimize_tls_address): New.
6469 (unspec_got_name): Add TLS entries.
6470 (got12_operand): Add R_FRV_TLSMOFF12 case.
6471 (frv_emit_move): Fixup TLS addresses.
6472 (frv_emit_movsi): Legitimize TLS addresses.
6474 * config/frv/frv.h (MASK_BIG_TLS): New.
6475 (TARGET_BIG_TLS): New.
6476 (HAVE_AS_TLS): Define.
6477 (TARGET_SWITCHES): Add -mTLS and -mtls options.
6478 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6479 (REG_CLASS_NAMES): Same.
6480 (REG_CLASS_CONTENTS): Same.
6481 (CONSTRAINT_LEN): New.
6482 (REG_CLASS_FROM_CONSTRAINT): New.
6483 (PREDICATE_CODES): Add symbolic_operand.
6485 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6486 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6487 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6488 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6489 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6490 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6491 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6492 GR9_REG, GR14_REG, LRREG.
6493 (type): Add load_or_call attribute.
6494 ("load_or_call"): New reservation.
6495 ("call_gettlsoff"): New.
6496 ("tls_indirect_call"): New.
6497 ("tls_load_gottlsoff12"): New.
6498 ("tlsoff_hilo"): New.
6499 ("tls_tlsdesc_ldd"): New.
6500 ("tls_tlsoff_ld"): New.
6503 * config/frv/frv-protos.h (symbolic_operand): Protoize.
6505 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
6507 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6508 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6509 * config/frv/frv.c (TLS_BIAS): Define.
6510 (frv_output_dwarf_dtprel): New.
6512 2005-01-26 Jakub Jelinek <jakub@redhat.com>
6514 PR rtl-optimization/19579
6515 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6516 both A and B, see if they don't clobber registers the other expr uses.
6518 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
6520 * real.c (do_add): Initialize signalling and canonical members.
6522 * real.c (real_from_integer): Zero out destination.
6524 2005-01-18 Jan Hubicka <jh@suse.cz>
6526 PR tree-optimize/19337
6527 * tree-inline.c (initialize_inlined_parameters): Copy
6528 saved_static_chain_decl only.
6530 2005-01-25 Richard Henderson <rth@redhat.com>
6534 * config/i386/i386.c (x86_inter_unit_moves): Zero.
6535 (ix86_preferred_reload_class): Rewrite fp-constant section, with
6536 80387 enabled, to return a proper subclass. Return the subset that
6537 overlaps with GENERAL_REGS for PLUS.
6538 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6540 2005-01-25 Richard Henderson <rth@redhat.com>
6543 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6545 2005-01-25 Roger Sayle <roger@eyesopen.com>
6547 * expmed.c (choose_multiplier): Change interface to return the
6548 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6549 (expand_divmod): Update calls to choose_multiplier.
6551 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6554 * expmed.c (extract_bit_field): Use adjust_address instead of
6555 gen_lowpart when op0 is a MEM.
6557 2005-01-24 Steven Bosscher <stevenb@suse.de>
6559 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6561 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
6563 * config/mips/irix-csr.c: New file.
6564 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6565 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6566 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6569 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
6572 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6573 sparc/elf.h, add sparc/sp-elf.h.
6574 (sparc-*-rtems*): Likewise.
6575 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6576 tm-dwarf2.h, add sparc/sp-elf.h.
6577 (sparc86x-*-elf): Likewise.
6578 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6579 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6580 TARGET_OS_CPP_BUILTINS.
6581 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6582 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6584 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6585 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6586 (SWITCH_TAKES_ARG): Likewise.
6587 (LOCAL_LABEL_PREFIX): Likewise.
6588 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6589 (TARGET_N_FORMAT_TYPES): Delete.
6590 (TARGET_FORMAT_TYPES): Likewise.
6591 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6592 * config/sparc/elf.h: Delete.
6593 * config/sparc/sp-elf.h: New file.
6595 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
6597 * tree-flow-inline.h (phi_arg_from_edge): Remove.
6598 * tree-flow.h: Remove the corresponding prototype.
6599 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6600 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6602 2005-01-24 Jakub Jelinek <jakub@redhat.com>
6605 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6606 for AIX ABI or ELF -fPIC.
6607 (rs6000_emit_load_toc_table): Don't create toc_section here.
6608 (rs6000_xcoff_file_start): Nor here.
6610 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
6612 * sh.c (ra.h): Don't #include.
6613 (hard_regs_intersect_p): New function, resurrected from ra.c.
6615 * sh.c: Fix 1996 Copyright.
6617 2005-01-24 Richard Henderson <rth@redhat.com>
6618 Aldy Hernandez <aldyh@redhat.com>
6620 * regrename.c (note_sets): Handle subregs.
6622 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
6625 * genconditions.c (write_header, write_conditions): Elide file if
6628 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
6630 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6631 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6634 2005-01-24 Jakub Jelinek <jakub@redhat.com>
6636 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6637 expand_builtin_printf, expand_builtin_fprintf,
6638 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6639 checking against POINTER_TYPE.
6640 (validate_arglist): Handle POINTER_TYPE code by checking
6643 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
6645 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6647 (for_each_rtx): Call for_each_rtx_1.
6648 * rtl.h (init_rtlanal): Declare.
6649 * toplev.c (backend_init): Call init_rtlanal.
6651 2005-01-24 Jakub Jelinek <jakub@redhat.com>
6653 * flow.c (propagate_one_insn): Formatting.
6656 * flow.c (libcall_dead_p): Be more conservative if unsure.
6657 If there are any instructions between insn and call, see if they are
6658 all dead before saying the libcall is dead.
6660 2005-01-24 Uros Bizjak <uros@kss-loka.si>
6662 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6663 operand constraint for operand 0.
6665 2005-01-23 Richard Henderson <rth@redhat.com>
6668 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6669 edges leading to join block.
6671 2005-01-23 Roger Sayle <roger@eyesopen.com>
6673 * expmed.c (expand_mult_highpart): Make static. Change type of
6674 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6675 (expand_divmod): Updates calls to expand_mult_highpart by using
6676 gen_int_mode to pass a CONST_INT rtx.
6677 * rtl.h (expand_mult_highpart): Remove prototype.
6679 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
6681 * flow.c (regset_bytes, regset_size): Remove.
6683 * cfganal.c: Fix a reference to Harvey's paper.
6685 2005-01-23 Steven Bosscher <stevenb@suse.de>
6687 PR rtl-optimization/19464
6688 * tree-optimize.c (init_tree_optimization_passes): Add one more
6689 copyrename pass just before out-of-ssa.
6691 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
6694 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6695 * ggc-none.c (ggc_free): Define.
6697 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
6699 * cse.c (max_reg, max_insn_uid): Remove.
6700 (cse_main): Don't access max_reg or max_insn_uid.
6702 * c-common.c (explicit_flag_signed_bitfields,
6703 lang_statement_code_p, lang_expand_function_end): Remove.
6704 * c-common.h: Remove the corresponding declarations.
6705 * c-opts.c (c_common_handle_option): Remove all write access
6706 to explicit_flag_signed_bitfields.
6708 * cgraph.c (cgraph_varpool_n_nodes): Remove.
6709 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6710 * cgraph.h: Remove the corresponding declaration.
6712 * gcse.c (null_pointer_info): Remove.
6714 2005-01-23 Roger Sayle <roger@eyesopen.com>
6715 Eric Botcazou <ebotcazou@libertysurf.fr>
6717 * combine.c (simplify_logical): Only simplify logical expressions
6718 of the form ior(and(x,y),z) by the inverse distributive law if the
6719 result is cheaper than the original.
6721 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
6723 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6724 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6725 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6726 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6727 config/freebsd-spec.h, config/arm/arm.h,
6728 config/h8300/h8300.md, config/i386/i386.md,
6729 config/i386/predicates.md, config/i386/sse.md,
6730 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6731 config/vax/vax.md: Fix comment typos. Follow spelling
6734 2005-01-23 Steven Bosscher <stevenb@suse.de>
6736 * gengtype.c (walk_type): Produce `not equal to' compares for loop
6737 tests, instead of `less than'.
6739 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
6741 * function.c (assign_parm_setup_block): When creating a new stack slot
6742 for a parameter, get its alignment from the parameter's DECL_ALIGN
6743 rather than the type's TYPE_ALIGN. Make sure that the parameter
6744 is at least word aligned.
6746 2005-01-22 Roger Sayle <roger@eyesopen.com>
6749 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6751 2005-01-22 Richard Henderson <rth@redhat.com>
6754 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6755 in both compare operands.
6756 (movdfcc_1_sse_max): Likewise.
6757 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
6758 (movdfcc_1_sse): Likewise.
6759 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6760 scratch register as needed.
6762 2005-01-22 Richard Henderson <rth@redhat.com>
6764 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6766 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6768 2005-01-22 Richard Henderson <rth@redhat.com>
6770 * genopinit.c (optabs): Use smin/smax for floating point too.
6771 * doc/md.texi: Update to match. Clarify that floating point
6772 results are undefined for +0/-0 and NaN.
6773 * doc/rtl.texi: Likewise.
6774 * rtl.def (SMIN, SMAX): Likewise
6775 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6777 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6778 leading 's' to the name.
6779 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6780 smaxxf3, sminxf3): Likewise.
6781 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6784 2005-01-22 Paul Brook <paul@codesourcery.com>
6786 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6788 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
6790 * config/s390/s390.c (struct processor_costs): New fields
6791 dlgr, dlr, dr, dsgfr, dsgr.
6792 (z900_cost, z990_cost): Values for new fields.
6793 (s390_rtx_costs): New cases MEM und COMPARE in switch
6794 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6795 DIV, MOD, UDIV, UMOD.
6797 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
6799 * config/s390/s390.md ("doloop_si64"): Reload input value directly
6800 into the register being decremented.
6801 ("doloop_si31", "doloop_di"): Likewise.
6802 ("*doloop_si_long"): Adapt pattern.
6804 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
6806 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6808 (CLASS_MAX_NREGS): Likewise.
6810 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
6812 * doc/tree-ssa.texi (Statement Operands): Add example for new
6813 must-def macro. Note deprecation of old operands interface.
6815 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
6817 PR tree-optimization/19484
6818 * tree-cfg.c (remove_fallthru_edge): New function.
6819 (cleanup_control_flow): Remove fallthru edges from calls that are
6820 now known not to return.
6822 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
6824 Fix PR tree-optimization/19038
6825 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6826 copies with loop variant ones.
6828 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
6830 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6831 config/alpha/alpha-protos.h, config/alpha/alpha.h,
6832 config/alpha/alpha.md, config/alpha/predicates.md,
6833 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6834 config/sparc/sol2.h: Update copyright.
6836 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6837 first label to see if it is a nonlocal label.
6839 2005-01-22 David Edelsohn <edelsohn@gnu.org>
6840 Andrew Pinski <pinskia@physics.uc.edu>
6843 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6844 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
6846 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
6848 * config/rs6000/rtems.h: Update copyright.
6850 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
6853 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6854 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6855 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6857 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6860 * c-typeck.c (convert_arguments): Check for error_mark_node.
6862 2005-01-21 Ian Lance Taylor <ian@airs.com>
6864 PR tree-optimization/13000
6865 * tree-inline.c: Include "tree-flow.h".
6866 (expand_call_inline): If warn_return_type, warn if non-void inline
6867 function falls through.
6868 * tree-cfg.c (execute_warn_function_return): Don't warn about
6869 control reaching end if TREE_NO_WARNING is set. Set
6871 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6873 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6874 branch if we don't need one.
6875 * c-typeck.c: Include "tree-flow.h"
6876 (c_finish_bc_stmt): Don't add a goto if the current statement
6877 list doesn't fall through to the current point.
6879 2005-01-21 Roger Sayle <roger@eyesopen.com>
6881 PR rtl-optimization/576
6882 * real.c (real_arithmetic): Change return type from void to bool
6883 to return an indication that the result may be inexact.
6884 * real.h (real_arithmeric): Update prototype.
6885 * fold-const.c (const_binop): Don't constant fold floating
6886 point expressions when the user specifies -frounding-math and
6887 the result may depend upon the run-time rounding mode.
6888 (fold_convert_const_real_from_real): Clean-up.
6889 (fold_initializer): Ignore flag_rounding_math for initializers.
6890 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6891 constant fold FP operations with flag_rounding_math if the
6892 result may depend upon the run-time rounding mode.
6894 2005-01-21 Tom Tromey <tromey@redhat.com>
6896 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6898 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
6900 * tree-cfg.c: Fix comment typos.
6902 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
6904 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6905 around the call to rest_of_handle_branch_target_load_optimize.
6907 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6909 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6910 (sparc64-*-openbsd*): Likewise.
6911 (sparclite-*-elf*): Include tm-dwarf2.h.
6912 (sparc86x-*-elf*): Likewise.
6913 (sparc64-*-elf*): Likewise.
6914 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6915 (DBX_DEBUGGING_INFO): Likewise.
6916 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6917 (PREFERRED_DEBUGGING_TYPE): Likewise.
6918 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6919 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6920 (PREFERRED_DEBUGGING_TYPE): Likewise.
6921 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6922 (PREFERRED_DEBUGGING_TYPE): Likewise.
6923 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6925 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
6928 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6930 2005-01-20 Paul Brook <paul@codesourcery.com>
6932 * doc/rtl.texi: Document value extension requirements for CONST_INT.
6934 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
6936 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6937 label is first in a sequence of labels.
6939 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6941 2005-01-20 Janis Johnson <janis187@us.ibm.com>
6942 Giovanni Bajo <giovannibajo@gcc.gnu.org>
6944 * doc/sourcebuild.texi (Test Directives): New.
6946 2005-01-20 Roger Sayle <roger@eyesopen.com>
6948 * real.c (real_floor): Don't leave the result uninitialized when
6949 mode is VOIDMode, but return the unrounded intermediate value.
6950 (real_ceil): Likewise.
6952 2005-01-20 Paul Brook <paul@codesourcery.com>
6954 * config/arm/arm.md (insv): Use gen_int_mode.
6956 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
6958 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6959 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6960 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6961 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6962 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6964 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
6967 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6968 fbreg, so we have to assume we can't.
6969 (loc_descriptor_from_tree_1): Ditto.
6970 (containing_function_has_frame_base): New function.
6971 (add_location_or_const_value_attribute): Use it.
6972 Also try to generate a frame_base from a single element location
6975 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
6977 PR tree-optimization/15349
6978 * timevar.def (TV_TREE_MERGE_PHI): New.
6979 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6981 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6982 calls to tree_forwarder_block_p.
6983 (remove_forwarder_block_with_phi, merge_phi_nodes,
6984 gate_merge_phi, pass_merge_phi): New.
6985 * tree-optimize.c (init_tree_optimization_passes): Add
6987 * tree-pass.h: Add an extern for pass_merge_phi;
6989 2005-01-20 Richard Henderson <rth@redhat.com>
6992 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6993 (_mm_castps_pd, _mm_castps_si128): New.
6994 (_mm_castsi128_ps, _mm_castsi128_pd): New.
6996 2005-01-20 Richard Henderson <rth@redhat.com>
6999 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
7000 __builtin_ia32_vec_init_v2si.
7001 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
7002 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
7003 (ix86_init_mmx_sse_builtins): Create it.
7004 (ix86_expand_builtin): Expand it.
7005 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
7006 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
7007 (vec_extractv2si_0, vec_extractv2si_1): New.
7009 2005-01-20 Richard Henderson <rth@redhat.com>
7012 * config/i386/i386.c (ix86_expand_push): New.
7013 * config/i386/mmx.md (push<MMXMODE>1): New.
7014 * config/i386/sse.md (push<SSEMODE>1): New.
7015 * config/i386/i386-protos.h: Update.
7017 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
7019 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
7022 2005-01-20 Richard Henderson <rth@redhat.com>
7024 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
7025 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
7027 2005-01-19 Richard Henderson <rth@redhat.com>
7030 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
7031 to V4SFmode in SSE1 fallback load path.
7033 2005-01-19 Richard Henderson <rth@redhat.com>
7035 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
7036 in QImode expansion to ix86_expand_vector_set.
7037 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
7039 2005-01-19 Richard Henderson <rth@redhat.com>
7042 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
7043 subclass of the input class.
7044 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
7045 Always true for cross-SSE1 classes. Rationalize conditionals.
7046 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
7047 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
7048 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
7049 (movdi_2): Add MMX/SSE zeros.
7050 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
7051 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
7052 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7053 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
7054 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
7055 (zero_extendsidi2_rex64_1): Remove.
7056 (MOV0 peephole): Check GENERAL_REG_P.
7058 2005-01-19 Richard Henderson <rth@redhat.com>
7061 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
7063 (ix86_expand_vector_extract): Likewise.
7065 2005-01-19 Richard Henderson <rth@redhat.com>
7068 * expr.c (emit_move_change_mode): New argument force; use
7069 simplify_gen_subreg if true.
7070 (emit_move_via_alt_mode): Merge into ...
7071 (emit_move_via_integer): ... here.
7072 (emit_move_ccmode): Use emit_move_change_mode directly.
7074 2005-01-19 Richard Henderson <rth@redhat.com>
7077 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
7078 (alpha_preferred_reload_class): Handle CONST_VECTOR.
7079 (alpha_emit_set_const_1): Add no_output parameter; don't emit
7081 (alpha_emit_set_const): Likewise. Make static.
7082 (alpha_emit_set_long_const): Make static.
7083 (alpha_extract_integer): Split out from alpha_expand_mov.
7084 (alpha_split_const_mov): Likewise.
7085 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
7086 (alpha_legitimate_constant_p): New.
7087 * config/alpha/alpha-protos.h: Update.
7088 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
7089 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
7090 * config/alpha/alpha.md (movsi): Add n alternative.
7091 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
7092 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
7093 (splitters for all of the above): Use alpha_split_const_mov.
7094 * config/alpha/predicates.md (non_add_const_operand): New.
7095 (non_zero_const_operand): New.
7096 (input_operand): Use alpha_legitimate_constant_p after reload.
7098 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
7100 PR tree-optimization/19038
7101 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
7102 (add_candidate): Add ivs with increment in latch only if
7103 allow_ip_end_pos_p is true.
7104 (determine_iv_cost): Use empty_block_p.
7106 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
7108 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
7109 (compute_dominance_frontiers): Ditto.
7111 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
7114 * config/sh/t-rtems: New.
7115 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
7117 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
7119 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
7120 the offset of the selected field.
7122 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
7124 * tree-cfg.c (remove_forwarder_block): Fix the check to
7125 prevent a nonlocal label from appearing in the middle of a
7128 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
7130 PR rtl-optimization/19462
7131 * reorg.c (find_end_label): Create return insn only if
7132 current_function_epilogue_delay_list is empty.
7134 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
7136 * doc/passes.texi: Remove paragraph mentioning new-ra.
7138 2005-01-19 Jakub Jelinek <jakub@redhat.com>
7140 PR rtl-optimization/15139
7141 * combine.c: Include params.h.
7142 (count_rtxs): New function.
7143 (record_value_for_reg): If replace_rtx would replace at least
7144 2 occurrences of REG in VALUE and TEM is really large, replace REG with
7145 (clobber (const_int 0)) instead of TEM.
7146 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
7147 * params.h (MAX_LAST_VALUE_RTL): New.
7148 * Makefile.in (combine.o): Depend on $(PARAMS_H).
7149 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
7152 * c-typeck.c (digest_init): Only call build_vector if all constructor
7153 elements are *_CST nodes.
7154 * gimplify.c (gimplify_init_constructor): Likewise.
7157 * c-typeck.c (digest_init): Only call build_vector if inside_init
7160 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
7162 * toplev.c (init_asm_output): Remove dead #ifdef.
7164 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
7166 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
7168 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
7170 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
7171 accessing DECL_FUNCTION_CODE.
7172 * dojump.c (do_jump): Likewise.
7173 * gimplify.c (gimplify_call_expr): Likewise.
7174 * predict.c (expr_expected_value): Likewise.
7175 (strip_builtin_expect): Likewise.
7176 * tree-inline.c (estimate_num_insns_1): Likewise.
7177 * tree-ssa-loop-im.c (stmt_cost): Likewise
7178 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
7179 (tree_expr_nonnegative_p): Likewise.
7181 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
7183 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
7184 variant of the load_pcrel_sym pattern.
7185 * config/sparc/sparc.md (P macro): Move to the top.
7186 (load_pcrel_sym): Macroize using P.
7187 (save_register_window): Likewise.
7189 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
7191 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
7194 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7197 * c-typeck.c (build_asm_expr): Strip nops off
7198 input memory operands.
7200 2005-01-18 David Edelsohn <edelsohn@gnu.org>
7202 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
7203 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
7204 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
7205 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
7207 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
7210 * config/i386/i386.c (override_options): If the 80387 is disabled,
7211 then do not return FP values using FP registers.
7213 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
7215 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
7216 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
7217 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
7218 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
7219 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
7220 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
7221 output.h, postreload-gcse.c, postreload.c, recog.c,
7222 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
7223 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
7224 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
7225 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
7226 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
7227 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
7228 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
7229 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
7231 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
7232 config/alpha/alpha.c, config/arm/vfp.md,
7233 config/i386/emmintrin.h, config/i386/i386-modes.def,
7234 config/i386/i386-protos.h, config/i386/i386.h,
7235 config/i386/pmmintrin.h, config/i386/ppro.md,
7236 config/i386/predicates.md, config/i386/xmmintrin.h,
7237 config/i860/i860.c, config/ia64/ia64-modes.def,
7238 config/ia64/ia64-protos.h, config/ia64/ia64.h,
7239 config/ia64/ia64.md, config/ia64/itanium1.md,
7240 config/ia64/itanium2.md, config/ia64/predicates.md,
7241 config/iq2000/iq2000.h, config/mips/linux64.h,
7242 config/rs6000/aix41.h, config/rs6000/aix43.h,
7243 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
7244 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7245 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
7246 config/sparc/linux64.h, config/sparc/litecoff.h,
7247 config/sparc/sp64-elf.h, config/sparc/sparc.c,
7248 config/sparc/sparc.h, config/sparc/sparc.md,
7249 config/sparc/sysv4-only.h: Update copyright.
7251 2005-01-18 Richard Henderson <rth@redhat.com>
7254 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
7256 2005-01-18 Marc Espie <espie@openbsd.org>
7257 * config/i386/openbsdelf.h: Typo.
7259 2005-01-18 Richard Henderson <rth@redhat.com>
7261 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
7262 special case for sse.
7263 * config/i386/predicates.md (sse_comparison_operator): Likewise.
7265 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
7267 * tree-inline.c (estimate_num_insns_1): Added cases for
7268 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
7270 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
7272 PR rtl-optimization/19296
7273 * combine.c (simplify_comparison): Rewrite the condition under
7274 which a non-paradoxical SUBREG of a PLUS can be lifted when
7275 compared against a constant.
7277 2005-01-18 Andi Kleen <ak@muc.de>
7279 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
7280 * c.opt (-Wpointer-sign): Add.
7281 * doc/invoke.texi: (-Wpointer-sign): Add.
7283 2005-01-18 Uros Bizjak <uros@kss-loka.si>
7285 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7286 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7287 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7288 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7289 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7290 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
7291 for TARGET_MIX_SSE_I387.
7292 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7293 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7294 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7295 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7296 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7297 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
7298 TARGET_MIX_SSE_I387.
7299 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7302 2005-01-18 Uros Bizjak <uros@kss-loka.si>
7305 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7306 Add movaps alternative for xmm reg->reg move.
7308 2005-01-17 Jeff Law <law@redhat.com>
7310 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7311 at the end of the main DOM loop rather than just before DOM exits.
7313 2005-01-17 Diego Novillo <dnovillo@redhat.com>
7315 PR tree-optimization/19121
7316 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7317 adding aliases to a name tag, also add them to the pointer's
7319 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7320 sensitive alias info at all. Only check that the two pointers
7321 have compatible pointed-to sets.
7322 * tree-ssa.c (verify_name_tags): Verify that the alias set of
7323 a pointer's type tag is a superset of the alias set of the
7326 2005-01-17 James E Wilson <wilson@specifixinc.com>
7329 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
7330 comment to document why.
7332 2005-01-17 Richard Henderson <rth@redhat.com>
7334 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7335 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7336 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7337 sse2_vmsminv2df3_finite): New.
7338 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7339 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7340 Force op1 into register.
7342 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
7344 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7345 bubblestrap from always rebuilding build directory.
7347 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
7349 * config/s390/s390.md ("*clc"): Remove incorrect '='.
7350 ("*cmpmem_short"): Likewise.
7352 2005-01-17 Steven Bosscher <stevenb@suse.de>
7354 * basic-block.h: Document BB_* flags.
7355 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7356 use an sbitmap instead.
7357 * sched-rgn.c (compute_trg_info): Likewise.
7359 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
7361 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
7362 redundant target_cpu_default and extra_parts lines. Use the default
7364 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7365 (SUBTARGET_EXTRA_SPECS): Delete.
7366 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
7367 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7368 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7369 and "n32" for -mabi=n32.
7371 2005-01-17 Ian Lance Taylor <ian@airs.com>
7374 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7375 fold constant variables into initial values.
7377 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
7379 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7381 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7382 through the statements backward.
7384 2005-01-17 Ian Lance Taylor <ian@airs.com>
7386 PR middle-end/13127:
7387 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7388 a variable set to the return value of the inlined function.
7390 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
7392 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7393 when modes are tieable.
7395 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
7397 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7398 of pthread_create to find out if threads are enabled.
7399 * gthr-posix95.h (__gthread_active_p): Likewise.
7401 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
7403 * common.opt (-fnew-ra): Remove.
7405 * toplev.h (flag_new_regalloc): Remove.
7406 * Makefile.in (ra*.*): Don't mention.
7407 * passes.c (rest_of_handle_new_regalloc): Remove.
7408 (rest_of_handle_combine, rest_of_compilation): Always consider
7409 flag_new_regalloc as false.
7410 * doc/invoke.texi: Don't document -fnew-ra.
7412 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
7414 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7415 last parameter to reg_scan.
7416 * loop.c (loop_optimize): Likewise.
7417 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7418 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7419 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7420 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7421 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7422 * regclass.c (reg_scan): Likewise, for the declaration.
7423 * rtl.h (reg_scan): Likewise, for the prototype.
7425 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
7427 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7428 mark_dfs_back_edges.
7430 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
7432 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7433 (compute_avail): Uses don't go in tmp_gen.
7435 2005-01-16 Steven Bosscher <stevenb@suse.de>
7437 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7438 loop to look for a free slot in a page entry.
7440 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7443 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7444 * toplev.c (compile_file): Call process_pending_assemble_output_defs
7445 just before targetm.asm_out.file_end.
7446 * tree.h (process_pending_assemble_output_defs): Declare.
7447 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7449 (assemble_alias): Defer generation of assembly code for defines when
7450 TARGET_DEFERRED_OUTPUT_DEFS is true.
7451 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7452 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7453 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7455 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7458 * pa.c (pa_scalar_mode_supported_p): New function.
7459 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7460 * pa.h (MIN_UNITS_PER_WORD): Add comment.
7462 * pa-protos.h (prefetch_operand): Delete.
7463 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7464 * pa.c (prefetch_operand): Delete.
7465 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7466 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7467 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
7468 and prefetch_nocc_operand.
7469 * pa.md (prefetch): Rework to avoid reload problems handling short
7470 displacements when a cache control completer needs to be provided.
7471 (prefetch_32, prefetch_64): Delete.
7472 (prefetch_cc, prefetch_nocc): New patterns.
7474 2005-01-15 David Edelsohn <edelsohn@gnu.org>
7476 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7478 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7481 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7482 exceeds maximum alignment for global common data.
7483 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7484 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7486 2004-01-15 Roger Sayle <roger@eyesopen.com>
7488 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7490 2004-01-15 Roger Sayle <roger@eyesopen.com>
7492 * harg-reg-set.h (reg_class_names): Prototype global array.
7493 * regclass.c (reg_class_names): Declare here and initialize to
7495 (dump_regclass): Remove local declaration of reg_class_names.
7496 (regclass): Likewise.
7497 * cfg.c (dump_flow_info): Likewise.
7498 * ra-debug.c (reg_class_names): Likewise.
7499 * regrename.c (reg_class_names): Likewise.
7500 * reload.c (reg_class_names): Likewise.
7501 * reload1.c (spill_failure): Likewise.
7502 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7504 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
7506 * config/s390/s390.md ("reload_outti"): Remove predicate for
7507 output operand. Abort if operand is not a MEM.
7508 ("reload_outdi", "reload_outdf"): Likewise.
7510 2005-01-15 Marc Espie <espie@openbsd.org>
7512 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7513 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7514 * config/openbsd.h: Fix C++ includes for native configurations.
7515 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
7516 Add trampoline support.
7517 * config/i386/openbsdelf.h: New.
7519 2005-01-15 Marc Espie <espie@openbsd.org>
7521 * collect2.c (main): Explicitly parse -dynamic-linker option.
7523 2005-01-15 Jakub Jelinek <jakub@redhat.com>
7525 PR tree-optimization/19060
7526 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7527 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7528 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7529 and handle extract_range_from_cond returning false.
7530 * fold-const.c (fold): Optimize comparisons with min/max even for
7531 width > HOST_BITS_PER_WIDE_INT.
7533 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
7535 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7536 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7537 Remove little endian multilib variants.
7538 Add mips32 multilib variant.
7540 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
7542 * explow.c (copy_all_reg, stabilize): Remove.
7543 * expr.h: Remove the corresponding prototypes.
7545 * rtlanal.c (regs_set_between_p): Remove.
7546 * rtl.h: Remove the corresponding prototype.
7548 2005-01-14 David Edelsohn <edelsohn@gnu.org>
7550 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7551 to rs6000_nonimmediate_operand.
7552 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7553 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7554 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7555 rs6000_nonimmediate_operand.
7556 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7557 rs6000_nonimmediate_operand.
7559 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
7561 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7563 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
7565 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7567 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7568 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7570 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7571 (rs6k_nonimmediate_operand): New.
7572 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7574 (legitimate_lo_sum_address_p): Same.
7575 (rs6000_legitimize_address): Same.
7576 (rs6000_legitimize_reload_address): Same.
7577 (rs6000_legitimate_address): Same.
7578 (spe_build_register_parallel): Pass DF and DC modes in a DI
7581 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7582 to rs6k_nonimmediate_operand.
7584 * config/rs6000/spe.md ("*frob_df_di"): New.
7585 ("*frob_di_df"): New.
7586 ("*frob_di_df_2"): New.
7587 ("*mov_sidf_e500_subreg0"): New.
7588 ("*mov_sidf_e500_subreg4"): New.
7589 ("*movdf_e500_double"): Change predicate to
7590 rs6k_nonimmediate_operand.
7592 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
7594 * postreload.c (move2add_note_store): Only call
7595 trunc_int_for_mode on scalar integers.
7597 2005-01-14 Steven Bosscher <stevenb@suse.de>
7599 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7600 replace BB_VISITED uses.
7601 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7602 (propagate_necessity): Check the bitmap instead of BB_VISITED.
7603 (tree_dce_done): Free visited_control_parents.
7604 (perform_tree_ssa_dce): Allocate and clear it.
7605 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7606 (compute_antic): Iterate from here using a DFS. Use an sbitmap
7607 instead of BB_VISITED.
7609 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
7611 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7612 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7613 Remove unused prototypes.
7615 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
7617 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7618 64-bit register usage.
7619 (spe_func_has_64bit_regs_p): Add FIXME note.
7621 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
7623 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7624 flag_finite_math_only with flag_unsafe_math_optimizations.
7626 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
7628 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7630 (__tpf_eh_return): Copy TPF private stack area from the module
7631 boundary stack frame. Add check for when module addresses are
7632 equal, but no stub address is found.
7634 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
7637 * arm.h (struct machine_function): Add call_via field.
7638 (thumb_call_via_label): Declare.
7639 * arm.c (thumb_call_via_label): New variable.
7640 (thumb_call_reg_needed): New variable.
7641 (arm_output_function_epilogue): For Thumb code, output any per-function
7642 call-indirect trampolines.
7643 (thumb_call_via_reg): New function.
7644 (arm_file_end): New function.
7645 (TARGET_ASM_FILE_END): Call arm_file_end.
7646 (aof_file_end): Likewise.
7647 * arm-protos.h (thumb_call_via_reg): Declare.
7648 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7649 thumb_call_via_reg in normal case.
7651 2005-01-14 Jakub Jelinek <jakub@redhat.com>
7654 PR rtl-optimization/19348
7655 * recog.c (peephole2_optimize): Do global life update if some peephole
7656 decides it doesn't need at least one of its inputs and that change
7657 influences liveness at the start of the basic block.
7659 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7660 arguments instead of 1.
7662 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
7665 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7666 zero for nested functions needing a static chain or functions
7667 with a non-constant address.
7669 2005-01-13 Roger Sayle <roger@eyesopen.com>
7671 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7672 (and (sign_extend X) C) into (zero_extend (and X C)).
7674 2005-01-13 David O'Brien <obrien@FreeBSD.org>
7676 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
7678 2005-01-13 Richard Henderson <rth@redhat.com>
7683 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7684 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7685 not just TARGET_SSE.
7686 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
7687 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7688 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7689 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7690 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7691 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7692 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7693 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7694 (movdicc_c_rex64): Rename with '*'.
7695 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7696 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7697 (movsfcc_1_387): Rename from movsfcc_1.
7698 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7699 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7700 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7701 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7702 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7703 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7704 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7705 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7706 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7707 sse_movdfcc_const0_4): Remove.
7708 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7709 recognize min/max early. Update for changed sse cmove patterns.
7710 (ix86_split_sse_movcc): New.
7711 * config/i386/i386-protos.h: Update.
7713 2005-01-13 Steven Bosscher <stevenb@suse.de>
7715 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7716 (fix_stmt_v_may_defs): Likewise.
7718 2005-01-13 Richard Henderson <rth@redhat.com>
7720 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7721 for converting the mask.
7723 2005-01-13 David Edelsohn <edelsohn@gnu.org>
7725 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7728 2005-01-13 Richard Henderson <rth@redhat.com>
7730 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7731 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7732 IX86_BUILTIN_MOVDQ2Q): Remove.
7733 (IX86_BUILTIN_VEC_EXT_V4SI): New.
7734 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7735 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7737 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7738 (sse2_pextrw): Fix immediate constraint.
7739 (sse2_loadq, sse2_loadq_rex64): Remove.
7740 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7741 Use __builtin_ia32_vec_ext_<size>.
7742 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7744 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
7746 * function.c (assign_parm_setup_block): Look inside original
7747 entry_parm when inspecting PARALLEL.
7749 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
7750 Joel Sherrill <joel@oarcorp.com>
7753 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7754 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7755 rtems_gxx_recursive_mutex_init.
7756 (__gthread_recursive_mutex_lock): New function.
7757 (__gthread_recursive_mutex_trylock): Likewise.
7758 (__gthread_recursive_mutex_unlock): Likewise.
7760 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
7762 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7764 2005-01-13 Jan Beulich <jbeulich@novell.com>
7766 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7767 (ashrti3_internal): Indicate output is early clobber. Generate result
7768 into output rather than first input. Use move for low word of output
7769 if shift count is exactly 64.
7770 (lshrti3_internal): Likewise.
7772 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
7776 * reload1.c (delete_output_reload): Don't delete an output reload
7777 if the pseudo lives longer than a single basic block. Adjust and
7778 improve wording of comment.
7780 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
7783 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7784 of TYPE_SIZE where we mean the number of bytes.
7786 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
7788 * function.c (assign_parm_setup_block): Relax condition on
7789 multi-register optimization.
7791 2005-01-12 Nick Clifton <nickc@redhat.com>
7793 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7794 an "in_delay_slot" attribute of "no" to prevent them being used in
7795 delay slots. This is forbidden because they might generate
7798 2005-01-12 Alan Modra <amodra@bigpond.net.au>
7801 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7804 2005-01-12 Nick Clifton <nickc@redhat.com>
7806 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7807 passed on to GAS) but do not define, as GAS no longer supports or
7808 needs the -m2000 option.
7810 2005-01-11 Roger Sayle <roger@eyesopen.com>
7812 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7813 type as args of unprototyped builtins aren't automatically promoted.
7814 (fold_builtin_abs): Likewise.
7816 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7818 * Makefile.in: Set a `build-warn' variable.
7820 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7822 PR tree-optimization/17949
7823 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7824 (find_interesting_uses_address): Use it.
7826 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
7828 * regrename.c (kill_value): Handle subreg's that won't simplify.
7830 2005-01-11 Richard Henderson <rth@redhat.com>
7833 * config/i386/i386.h (enum ix86_builtins): Move ...
7834 * config/i386/i386.c: ... here.
7835 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7836 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7837 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7838 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7839 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
7840 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7841 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7842 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7843 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7844 IX86_BUILTIN_LOADDDUP): Remove.
7845 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7846 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7847 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7848 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7849 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7850 (ix86_init_builtins): Make static.
7851 (ix86_init_mmx_sse_builtins): Update for changed builtins.
7852 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7853 if all the modes match. Otherwise, fake it.
7854 (get_element_number, ix86_expand_vec_init_builtin,
7855 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7856 (ix86_expand_builtin): Make static. Update for changed builtins.
7857 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7858 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
7859 (ix86_expand_vector_init_duplicate): New.
7860 (ix86_expand_vector_init_low_nonzero): New.
7861 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7862 Split out from ix86_expand_vector_init; handle integer modes.
7863 (ix86_expand_vector_init): Use them.
7864 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7865 * config/i386/i386-protos.h: Update.
7866 * config/i386/predicates.md (reg_or_0_operand): New.
7867 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7868 (movv2sf_internal): Likewise. And a splitter to match them all.
7869 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7870 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7871 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7872 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7873 (mmx_pinsrw): Fix operand ordering.
7874 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7875 rather than sse_loadss expander.
7876 (movv2df splitter): Similarly.
7877 (sse_loadss, sse_loadlss): Remove.
7878 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7879 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7880 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7881 (sse3_movddup): Rename with '*'.
7882 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7883 (sse2_loadsd): Remove.
7884 (vec_dupv2df_sse3): Rename from sse3_loadddup.
7885 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7886 (sse2_pinsrw): Fix argument ordering.
7887 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7888 (sse2_stored): Remove 'r' destination.
7889 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7890 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7891 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7892 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7893 vec_extractv16qi, vec_initv16qi): New.
7895 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7896 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7897 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7899 (_mm_load_pd, _mm_store_pd): Use plain dereference.
7900 (_mm_load_si128, _mm_store_si128): Likewise.
7901 (_mm_load1_pd): Use _mm_set1_pd.
7902 (_mm_load_sd): Use _mm_set_sd.
7903 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7904 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7905 (_mm_set_epi64): Use _mm_set_epi64x.
7906 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7907 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7908 _mm_setr_epi8): Use _mm_set_foo form.
7909 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7910 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7911 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7912 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7913 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7914 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7915 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7916 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7917 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7918 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7919 (_mm_movedup_pd): Use _mm_shuffle_pd.
7920 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7921 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7922 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7923 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7925 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7926 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7927 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7928 (_mm_store_ps): Use raw dereference.
7929 (_mm_store1_ps): Use _mm_storeu_ps.
7930 (_mm_storer_ps): Use _mm_store_ps.
7931 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7932 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7934 2005-01-11 Stan Shebs <shebs@apple.com>
7936 * config/rs6000/rs6000.c (machopic_output_stub): Issue
7937 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7939 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7942 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7943 Skip all DECLs except for FIELD_DECLs.
7945 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
7947 * config/s390/s390.c (override_options): Return error if
7948 -mbackchain, -mpacked-stack and -mhard-float are used together.
7949 (s390_va_start): Remove the backchain && packed-stack special case.
7950 (s390_gimplify_va_arg): Likewise.
7951 * doc/invoke.texi: Remove the ABI incompatibility note.
7953 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
7955 * config/s390/s390.c (struct s390_frame_layout): Remove
7957 (s390_frame_info, s390_emit_prologue): Replace occurrences of
7958 save_backchain_p with TARGET_BACKCHAIN.
7960 2005-01-11 Alan Modra <amodra@bigpond.net.au>
7963 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7964 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7965 * function.c (locate_and_pad_parm): Set new field.
7966 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7967 Tweak where_pad test to include "none". Always set mem align for
7969 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7970 not sufficient for type.
7971 (assign_parm_setup_block): If stack_parm is zero on entry, always
7972 make a new stack local. Block move old stack parm if necessary
7973 to new aligned stack local.
7974 (assign_parm_setup_stack): Use a block move to handle
7975 potentially misaligned entry_parm.
7976 (assign_parms_unsplit_complex): Specify required alignment when
7977 creating stack local.
7978 * calls.c (compute_argument_addresses): Override alignment of stack
7979 arg calculated from its type with the alignment given by
7980 FUNCTION_ARG_BOUNDARY.
7981 (store_one_arg): Likewise.
7983 2005-01-11 Jan Beulich <jbeulich@novell.com>
7985 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7986 Change respective itanium_class attribute to ialu.
7987 (shladdp4_internal): New.
7988 * config/ia64/predicates.md (shladd_log2_operand): New.
7990 2005-01-11 Richard Henderson <rth@redhat.com>
7992 * expr.c (store_constructor): Use rtvec_alloc instead of
7993 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7995 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
7997 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7999 2005-01-11 Alan Modra <amodra@bigpond.net.au>
8001 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
8002 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
8003 (TARGET_RWRELOC): Define.
8004 (ia64_rwreloc_section_type_flags): Delete.
8005 (ia64_section_type_flags): New function.
8006 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
8007 (TARGET_RWRELOC): Define.
8009 2005-01-10 David Mosberger <davidm@hpl.hp.com>
8012 * config/ia64/ia64.c (process_set): For alloc insn, only call
8013 process_epilogue is !frame_pointer_needed.
8015 2005-01-10 Roger Sayle <roger@eyesopen.com>
8018 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
8019 unary operator and can't be treated as a binary/comparison operator.
8021 2005-01-10 Richard Henderson <rth@redhat.com>
8023 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
8024 (ix86_return_in_memory): Likewise.
8025 (function_arg_advance): Likewise. Mirror structure in function_arg
8026 for choosing register to advance.
8028 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
8030 * tree-vectorizer.c, tree.def: Fix comment typos.
8032 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
8034 * config/s390/s390.c (struct processor_costs): 4 new fields:
8035 ddbr, ddr, debr, der.
8036 (s390_rtx_costs): More precise handling of divide instructions.
8038 2005-01-10 David Edelsohn <edelsohn@gnu.org>
8040 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
8042 2005-01-10 Jan Beulich <jbeulich@novell.com>
8044 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
8045 names resulting from -ffunction-sections/-fdata-sections and linkonce
8047 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
8048 based on the section name. Rearrange the section name comparison logic
8049 slightly so that each section name is compared against at most once.
8051 2005-01-10 Ben Elliston <bje@au.ibm.com>
8053 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
8054 targets for which -fPIC reduces limitations on the GOT size.
8056 2005-01-09 Falk Hueffner <falk@debian.org>
8058 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
8061 2005-01-09 David Edelsohn <edelsohn@gnu.org>
8064 * collect2.c (main): Set aixrtl_flag for -brtl option.
8065 (resolve_lib_name): Search for .so file extension before .a
8068 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
8070 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
8071 (vect_analyze_data_refs_alignment): Add dump prints.
8073 2005-01-09 Ira Rosen <irar@il.ibm.com>
8075 * tree-vectorizer.c (vect_analyze_offset_expr): Use
8076 expr_invariant_in_loop_p.
8077 Initialize outputs first thing in the function.
8078 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
8079 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
8080 (vect_analyze_pointer_ref_access): Check that the initial condition of
8081 the access function is loop invariant.
8083 2005-01-09 Richard Henderson <rth@redhat.com>
8085 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
8086 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
8087 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
8088 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
8089 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
8090 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
8091 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
8092 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
8093 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
8094 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
8095 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
8096 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
8097 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
8098 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
8099 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
8100 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
8101 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
8102 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
8103 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
8104 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
8105 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
8106 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
8107 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
8109 (mmx_clrdi, pavgusb): Remove.
8110 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
8111 with leading sse_ prefix.
8112 * config/i386/sse.md: Receive them.
8113 * config/i386/mmx.md: New file.
8114 (MMXMODE12, MMXMODE24, mmxvecsize): New.
8115 (subrv2sf3): Turn into expander for normal subtraction.
8116 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
8117 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
8118 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
8119 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
8120 commutative; use ix86_binary_operator_ok.
8121 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
8122 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
8123 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
8124 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
8125 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
8126 Macroize from existing patterns; use ix86_binary_operator_ok.
8127 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
8128 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
8129 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
8130 with vec_select+vec_concat.
8131 (mmx_pshufw, mmx_pshufw_1): Likewise.
8132 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
8133 (mmx_uavgv4hi3): Model correctly.
8134 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
8135 _mm_xor_si64): Remove casts.
8137 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
8139 PR tree-optimization/19224
8140 * tree-scalar-evolution.c (get_instantiated_value,
8141 set_instantiated_value): New functions.
8142 (instantiate_parameters_1): Cache the results.
8143 (instantiate_parameters, resolve_mixers): Initialize and free
8146 2005-01-08 David Edelsohn <edelsohn@gnu.org>
8148 * config/i386/i386.md (addhi_4): Correct reference in comment.
8151 2005-01-08 Richard Henderson <rth@redhat.com>
8153 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
8154 (_mm_cvtsi128_si64x): Likewise.
8155 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
8156 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
8157 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
8158 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
8159 * config/i386/i386-protos.h: Update.
8160 * config/i386/i386.c (print_operand): Add 'H'.
8161 (ix86_fixup_binary_operands): Split out from ...
8162 (ix86_expand_binary_operator): ... here.
8163 (ix86_fixup_binary_operands_no_copy): New.
8164 (ix86_expand_fp_absneg_operator): Handle vector mode results.
8165 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
8166 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
8167 (safe_vector_operand): Use CONST0_RTX.
8168 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
8169 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
8170 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
8171 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
8173 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
8174 (IX86_BUILTIN_CMPNGESS): New.
8175 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
8176 (attr type): Add sselog1.
8177 (attr unit, attr memory): Handle it.
8178 (movti, movti_internal, movti_rex64): Move near other integer moves.
8179 (movtf, movtf_internal): Move near other fp moves.
8180 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
8181 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
8182 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
8183 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
8184 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
8185 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
8186 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
8187 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
8188 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
8189 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
8190 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
8191 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
8192 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
8193 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
8194 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
8195 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
8196 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
8197 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
8198 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
8199 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
8200 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
8201 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
8202 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
8203 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
8204 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
8205 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
8206 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
8207 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
8208 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
8209 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
8210 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
8211 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
8212 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
8213 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
8214 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
8215 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
8216 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
8217 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
8218 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
8219 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
8220 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
8221 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
8222 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
8223 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
8225 (SSEPUSH, push<SSEPUSH>): Remove.
8226 (MMXPUSH, push<MMXPUSH>): Remove.
8227 (sse_movaps, sse_movaps_1, sse_movups): Remove.
8228 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
8229 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
8230 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
8231 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
8232 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
8233 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
8234 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
8235 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
8236 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
8237 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
8238 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
8239 (ppro_sse_log_V4SF): Handle sselog1.
8240 * config/i386/predicates.md (const_0_to_1_operand): New.
8241 (const_0_to_255_mul_8_operand): New.
8242 (const_1_to_31_operand): Rename from const_int_1_31_operand.
8243 (const_2_to_3_operand, const_4_to_7_operand): New.
8244 * config/i386/sse.md: New file.
8245 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
8246 (sse_movups): Rename from sse_movups_1.
8247 (sse_loadlss): Rename from sse_loadss_1.
8248 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
8250 (negv4sf2): Use ix86_expand_fp_absneg_operator.
8251 (absv4sf2, negv2df, absv2df): New.
8252 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
8253 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
8254 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
8255 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
8256 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
8257 (sse3_addsubv4sf3): Model correctly.
8258 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
8259 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
8260 (sse_movhlps): Model with vec_select+vec_concat.
8261 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
8262 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
8263 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
8264 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
8265 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
8266 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
8267 sse2_pshufhw_1): Likewise.
8268 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
8269 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
8270 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
8271 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
8272 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
8273 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
8274 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
8275 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
8276 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
8277 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
8278 sminv8hi3): Mark commutative
8279 operands. Use ix86_binary_operator_ok.
8280 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
8281 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
8282 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
8283 sse2_punpcklqdq): Allow operand2 in memory.
8284 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8285 sse2_movsd): Add memory alternatives.
8286 (sse_storelps): Turn expander into an insn; split after reload.
8287 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8288 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8290 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
8292 * configure.ac (DWARF-2 debug_line): Use objdump.
8293 * configure: Regenerate.
8295 2005-01-08 Jeff Law <law@redhat.com>
8296 Diego Novillo <dnovillo@redhat.com>
8298 PR tree-optimization/18241
8299 * tree-nrv.c (tree_nrv): Ignore volatile return values.
8300 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8301 statements with volatile operands.
8302 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8303 operands after marking a statement with has_volatile_ops.
8305 2005-01-08 Roger Sayle <roger@eyesopen.com>
8307 * tree.c (int_fits_type_p): Always honor integer constant
8308 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8310 2005-01-08 Roger Sayle <roger@eyesopen.com>
8312 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8313 the latent bug in rtl_delete_block has been resolved.
8315 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
8317 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8318 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8320 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
8322 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8323 library as @multilib_dir@/$(SHLIB_SONAME).
8325 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8327 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8328 * configure: Regenerate.
8330 2005-01-07 Jakub Jelinek <jakub@redhat.com>
8332 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8335 2005-01-07 David Edelsohn <edelsohn@gnu.org>
8338 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8339 Convert non-word aligned offset address using ld/std into
8342 2005-01-07 Richard Henderson <rth@redhat.com>
8344 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8346 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
8348 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8350 2005-01-07 Jakub Jelinek <jakub@redhat.com>
8352 PR tree-optimization/19283
8353 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8354 is not shorter than the original type.
8356 PR rtl-optimization/19012
8357 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8359 PR rtl-optimization/18861
8360 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8361 (FULL_STATE): Define.
8362 (mark_tablejump_edge): New function.
8363 (purge_dead_tablejump_edges): New function.
8364 (find_bb_boundaries): Use it.
8366 PR tree-optimization/18828
8367 * builtins.c (expand_builtin_next_arg): Remove argument and all
8368 the argument checking.
8369 (expand_builtin): Adjust caller.
8370 (expand_builtin_va_start): Likewise. Remove error for too many
8372 (fold_builtin_next_arg): Issue error for too many arguments.
8373 After checking arguments, replace them with magic arguments that
8374 prevent further checking of the args.
8376 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8378 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8380 2005-01-06 Roger Sayle <roger@eyesopen.com>
8383 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8384 and %{.S:...} (and their negative variants) to test whether the
8385 input file is assembler or pre-processed-assembler independent of
8386 the actual filename extension.
8388 2005-01-06 Roger Sayle <roger@eyesopen.com>
8390 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8391 of sign or zero extended values.
8393 2005-01-06 Geoffrey Keating <geoffk@apple.com>
8395 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8396 for IBM long double format correctly.
8398 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
8400 Fix PR tree-optimization/18792
8402 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8403 to first_loop_depth, and use loop depth instead of loop number.
8404 (build_classic_dir_vector): Ditto.
8405 (compute_data_dependences_for_loop): Use depth, not loop number.
8406 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8407 number. Pass in loops, instead of loop numbers.
8408 (gather_interchange_stats): Ditto.
8409 (linear_transform_loops): Ditto.
8411 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
8414 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8415 biv_fits_mode_p, extension_within_bounds_p): New functions.
8416 (check_ext_dependent_givs): Use them.
8418 2005-01-06 Roger Sayle <roger@eyesopen.com>
8420 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8421 more than one barrier, in which case we should delete them all.
8423 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
8425 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8427 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
8429 Fix PR middle-end/19286
8431 * dwarf2out.c (gen_subprogram_die): If we've already tried to
8432 output this subprogram, simply ignore this attempt to do it again.
8433 (add_abstract_origin_attribute): Don't abort trying to add the abstract
8434 origin attribute if it's not possible.
8435 (gen_block_die): Don't ignore subblocks of "unused" blocks.
8436 (decls_for_scope): Ditto.
8437 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8438 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8440 2005-01-05 Richard Henderson <rth@redhat.com>
8443 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8444 (bdesc_2arg): Use it.
8445 (ix86_expand_binop_builtin): Force operands into registers
8447 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8448 ix86_expand_sse_compare, ix86_expand_sse_comi,
8449 ix86_expand_builtin): Likewise.
8451 2005-01-05 Richard Henderson <rth@redhat.com>
8453 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8455 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8456 (mulv4hi3): Set itanium_class mmmul.
8457 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8458 (fpack): Rename from fpack_sfsf.
8460 2005-01-05 Richard Henderson <rth@redhat.com>
8463 * reload1.c (do_input_reload): Restrict the optimization deleteing
8464 a previous output reload to RELOAD_FOR_INPUT.
8466 2005-01-05 Steven Bosscher <stevenb@suse.de>
8468 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
8469 comment that we fall through after case.
8470 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8471 (distribute_links): Likewise.
8472 * cse.c (cse_insn): Likewise.
8473 * cselib.c (cselib_invalidate_mem): Likewise.
8474 * df.c: Update comments at the top of the file.
8475 (read_modify_subreg_p): Update comments here too.
8476 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8477 * flow.c (mark_set_1): Likewise.
8478 (mark_used_regs): Likewise.
8479 * gcse.c (mems_conflict_for_gcse_p): Likewise.
8480 (canon_list_insert): Likewise.
8481 (mark_set): Likewise.
8482 (try_replace_reg): Likewise.
8483 (store_killed_in_insn): Likewise.
8484 * loop.c (count_one_set): Likewise.
8485 (basic_induction_var): Likewise.
8486 * postreload-gcse.c (find_mem_conflicts): Likewise.
8487 * postreload.c (reload_combine_note_store): Likewise.
8488 (move2add_note_store): Likewise.
8489 * reload.c (find_equiv_reg): Likewise.
8490 (mark_referenced_resources): Likewise.
8491 * rtlanal.c (set_noop_p): Likewise.
8492 (note_stores): Likewise.
8493 (note_uses): Likewise.
8494 * sched-deps.c (sched_analyze_1): Likewise.
8495 * sched-rgn.c (check_live_1): Likewise.
8496 (update_live_1): Likewise.
8497 * config/i860/i860.c: Likewise.
8499 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8501 (ZERO_EXTRACT): Mention that this one can be an lvalue.
8503 * doc/rtl.texi: Update documentation for bit-fields and SET.
8505 2005-01-05 Roger Sayle <roger@eyesopen.com>
8507 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8509 2005-01-05 Jan Hubicka <jh@suse.cz>
8510 Richard Henderson <rth@redhat.com>
8513 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8516 2005-01-05 Richard Henderson <rth@redhat.com>
8519 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8520 (sse_shufps): Change operand 3 to const_int_operand.
8521 (sse2_storelps): Fix typo in template.
8522 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8523 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8524 (ix86_expand_builtin): Likewise.
8526 2005-01-05 Julian Brown <julian@codesourcery.com>
8528 * config/arm/arm.c (arm_return_in_memory): Treat complex types
8529 as aggregates for AAPCS ABIs.
8531 2005-01-05 Stan Shebs <shebs@apple.com>
8533 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8534 Mach-O getters if ppc64.
8535 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8537 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8538 signed four-byte field for global code case.
8539 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8541 2005-01-05 Roger Sayle <roger@eyesopen.com>
8544 * c-common.c: Include real.h.
8545 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8546 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8547 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8548 * Makefile.in (c-common.o): Update dependencies.
8550 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
8552 * c-parse.in (asm_string): Add trailing semicolon.
8554 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
8556 * c-parse.in (asm_string): New. Don't allow wide strings in
8558 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8559 asm_string instead of STRING.
8561 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
8563 * c-typeck.c (constructor_no_implicit): Remove.
8564 (set_designator, process_init_element): Don't check
8565 constructor_no_implicit.
8567 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
8568 Kaz Kojima <kkojima@gcc.gnu.org>
8571 * lcm.c (create_pre_exit): New.
8572 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8573 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
8575 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
8577 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8578 -msoft-float in target_float_switch.
8579 * arm.c (arm_override_options): Fix processing of target_float_switch.
8581 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
8583 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8586 2004-01-05 Uros Bizjak <uros@kss-loka.si>
8588 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8589 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8591 2005-01-04 Roger Sayle <roger@eyesopen.com>
8593 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8594 if deleting the then-block allows the test-block to fallthru to the
8597 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
8600 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8601 after the full declaration if the are in two different TUs.
8603 2005-01-04 Richard Henderson <rth@redhat.com>
8606 * tree-sra.c (generate_one_element_init): Just
8607 call gimplify_and_add.
8608 (generate_element_init): Record the
8609 new referenced variables and mark them for renaming
8610 and split out to ...
8611 (generate_element_init_1): This.
8612 (scalarize_init): Don't call push_gimplify_context/
8613 pop_gimplify_context.
8615 2005-01-04 Geoffrey Keating <geoffk@apple.com>
8617 * toplev.c (get_src_pwd): Handle failure of getpwd().
8619 2005-01-04 Roger Sayle <roger@eyesopen.com>
8621 * fold-const.c (fold_single_bit_test): Delete unreachable handling
8623 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8624 all the cases handled by it are inverted by invert_truthvalue.
8626 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8628 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8629 (save_register_windowsi): Likewise.
8631 2005-01-04 Richard Henderson <rth@redhat.com>
8633 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8635 2005-01-04 Uros Bizjak <uros@kss-loka.si>
8638 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8639 any simplifications of vector mode comparison operators.
8640 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8642 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
8643 Devang Patel <dpatel@apple.com>
8645 PR tree-optimization/18308
8646 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8647 the operands before creating a new expression.
8648 * dojump.c (do_jump): Make drop_through_label available
8649 for all cases. Add expansion of COND_EXPR.
8651 2005-01-04 Ira Rosen <irar@il.ibm.com>
8653 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8654 INTEGER_CST instead of TREE_CONSTANT.
8655 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8656 instead of TREE_CONSTANT.
8657 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8658 instead of TREE_CONSTANT.
8660 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8662 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8664 2005-01-04 Uros Bizjak <uros@kss-loka.si>
8667 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8668 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8670 2005-01-03 Richard Henderson <rth@redhat.com>
8672 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8673 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8674 fold_convert_const_real_from_real): Split out from ...
8675 (fold_convert_const): ... here.
8677 2005-01-03 Richard Henderson <rth@redhat.com>
8680 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8681 (mov<MMXMODEI>_internal): Likewise.
8682 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8683 Add V2SF case; use it for SSE1; don't use TI.
8684 (movdf_integer): Likewise.
8685 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8687 2005-01-03 Ira Rosen <irar@il.ibm.com>
8689 * tree-vectorizer.c (vect_strip_conversions): New function.
8690 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8691 check for binary class.
8693 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
8697 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8699 * gimple-low.c (mark_blocks_with_used_vars): New function.
8700 (mark_blocks_with_used_subblocks): Ditto.
8701 (mark_used_blocks): Ditto.
8702 (pass_mark_used_blocks): New pass.
8703 * tree-inline.c: Include debug.h.
8704 (expand_call_inline): Call outlining_inline_function here.
8705 * tree-optimize.c (init_tree_optimization_passes): Add
8706 pass_mark_used_blocks.
8707 * tree-pass.h (pass_mark_used_blocks): New.
8708 * Makefile.in (tree-inline.o): Add debug.h dependency.
8710 2005-01-03 Geoffrey Keating <geoffk@apple.com>
8712 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8713 VAR_DECLs to have weak_import attribute.
8715 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8718 2004-01-03 Steven Bosscher <stevenb@suse.de>
8720 * passes.c (rest_of_compilation): Don't run regmove if only
8721 flag_expensive_optimizations, require flag_regmove instead.
8723 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8725 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8727 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8728 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8729 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8730 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8732 2005-01-03 Richard Henderson <rth@redhat.com>
8734 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8735 (ia64_const_ok_for_letter_p): New.
8736 (ia64_const_double_ok_for_letter_p): New.
8737 (ia64_extra_constraint): New.
8738 (ia64_expand_vecint_compare): New.
8739 (ia64_expand_vcondu_v2si): New.
8740 (ia64_expand_vecint_cmov): New.
8741 (ia64_expand_vecint_minmax): New.
8742 (ia64_print_operand): Add 'v'.
8743 (ia64_preferred_reload_class): New.
8744 (ia64_vector_mode_supported_p): New.
8745 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8746 (PREFERRED_RELOAD_CLASS): Move to function.
8747 (CONST_OK_FOR_LETTER_P): Move to function.
8748 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8749 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8750 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8751 (EXTRA_CONSTRAINT): Move to function.
8752 * config/ia64/ia64.md: Include vect.md.
8753 (itanium_class): Add mmalua.
8755 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
8757 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8758 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8760 (const_int_2bit_operand): New.
8761 (fr_reg_or_0_operand): New.
8762 * config/ia64/ia64-modes.def: Add vector modes.
8763 * config/ia64/ia64-protos.h: Update.
8764 * config/ia64/vect.md: New file.
8766 2005-01-03 Richard Henderson <rth@redhat.com>
8768 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8770 2005-01-03 Uros Bizjak <uros@kss-loka.si>
8773 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8775 (log1pdf2): Change mode of operands[0,1] to DFmode.
8777 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8779 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8780 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8781 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8782 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8783 SPARC_RELAXED_ORDERING.
8785 2005-01-03 Richard Henderson <rth@redhat.com>
8786 Uros Bizjak <uros@kss-loka.si>
8789 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8790 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8791 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8793 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8794 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8795 const_pow2_1_to_128_operand): New predicates.
8797 2005-01-02 Greg McGary <greg@mcgary.org>
8799 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8801 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8802 object. [ptr_type]: Remove unused variable.
8803 Remember nearest addressable array-element or record-component
8804 when checking bitfield components. Tolerate empty BIND_EXPR.
8806 2005-01-01 Richard Henderson <rth@redhat.com>
8808 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8809 that don't narrow the value. Fail for other conversions.
8811 2005-01-01 Richard Henderson <rth@redhat.com>
8814 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8815 * c-lang.c (finish_file): Don't do it here.
8816 * objc/objc-act.c (objc_finish_file): Likewise.
8818 * cgraph.c (decl_assembler_name_equal): New.
8819 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8820 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8821 * cgraph.h (struct cgraph_varpool_node): Add next.
8822 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8823 * varasm.c (assemble_alias): Mark the target as needed.
8825 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
8828 * function.c (get_arg_pointer_save_area): Use entry_of_function
8829 instead of get_insns.
8831 2005-01-01 Roger Sayle <roger@eyesopen.com>
8832 Andrew Pinski <pinskia@physics.uc.edu>
8833 James E. Wilson <wilson@specifixinc.com>
8835 PR rtl-optimization/12092
8836 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8839 2005-01-01 Roger Sayle <roger@eyesopen.com>
8840 Olivier Hainque <hainque@act-europe.fr>
8842 * tree.c (int_fits_type_p): A narrower type always fits in a
8843 wider one, except for negative values into unsigned types.
8845 2005-01-01 Roger Sayle <roger@eyesopen.com>
8847 * tree.c (int_fits_type_p): Compare the result of force_fit_type
8848 with the original constant rather than require TREE_OVERFLOW.
8850 2005-01-01 Steven Bosscher <stevenb@suse.de>
8853 * c-decl.c (finish_function): If compiling C99, annotate the
8854 compiler generated return with the current file name and line 0.
8855 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8856 the source line is greater than 0.
8857 (remove_bb): Likewise.
8859 See ChangeLog.12 for earlier changes.