| blob | c4665db2257de6510a0e10a8d2372dae5ea663a2 |
1 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3 * doc/invoke.texi: document file extensions .F90 and .F95
5 2005-08-02 Richard Guenther <rguenther@suse.de>
7 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8 positive if its first argument is positive.
10 2005-08-02 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/23177
13 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
14 on TMR_TAG.
16 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
18 PR tree-optimization/23129
19 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
20 varying for divisions with anti-ranges.
22 2005-08-02 Jan Hubicka <jh@suse.cz>
24 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
25 * tree-ssa-threadupdate.c (thread_block): Add it here.
27 2005-08-01 James E Wilson <wilson@specifix.com>
29 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
30 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
31 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
32 New.
33 * config/mips/predicates.md (const_call_insn_operand): Add check for
34 SYMBOL_REF_LONG_CALL_P.
35 * doc/extend.texi (long_call): Document the new attribute.
37 2005-08-01 Ian Lance Taylor <ian@airs.com>
38 Richard Henderson <rth@redhat.com>
40 * Makefile.in (RTL_BASE_H): Add real.h.
41 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
42 instead of memcpy.
43 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
44 directly.
45 * rtl.c (rtl_check_failed_code_mode): New.
46 * rtl.h (struct rtx_def): Add u.rv.
47 (XCMWINT, XCNMPRV): New.
48 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
49 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
51 2005-08-01 Richard Henderson <rth@redhat.com>
53 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
54 with auto-inc codes.
56 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
58 2005-08-01 Jan Hubicka <jh@suse.cz>
60 * i386-protos.h (asm_preferred_eh_data_format): Declare.
61 * i386.c: Include dwarf2.h
62 (asm_preferred_eh_data_format): New.
63 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
65 2005-08-01 Ian Lance Taylor <ian@airs.com>
67 * config/host-linux.c (linux_gt_pch_get_address): Add new name
68 randomize_va_space for virtual address randomization control.
70 2005-08-01 Steven Bosscher <stevenb@suse.de>
72 * common.opt (flag_ipa_cp): Put in right place to maintain
73 alphabetic sort.
75 2005-08-01 Jan Hubicka <jh@suse.cz>
77 * profile.c (compute_value_histograms): Fix thinko.
78 * value-prof.c: Include toplev.h
79 (check_counter): New function.
80 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
81 tree_mod_subtract_transform): Add sanity check.
83 2005-08-01 Richard Guenther <rguenther@suse.de>
85 PR tree-optimization/23133
86 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
87 current functions parameter decls to find defs to cse
88 reciprocals of.
90 2005-08-01 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/23109
93 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
94 If trapping math is in effect, use post-dominator information
95 to check if we'd in any case reach a trapping point before
96 doing the reciprocal insertion.
97 (execute_cse_reciprocals): Compute post-dominators, if necessary.
98 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
99 expressions are invariant only if trapping math is not in effect.
101 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
103 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
104 cgraph_function_versioning): New declarations.
105 * cgraphunit.c: Add include to ipa-prop.h.
106 (update_call_expr, cgraph_copy_node_for_versioning,
107 cgraph_function_versioning): New functions.
108 * integrate.c (copy_decl_for_inlining): Remove.
109 * ipa-prop.h (ipa_replace_map): New struct.
110 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
111 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
112 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
113 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
114 ipcp_iterate_stage, ipcp_method_scale_print,
115 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
116 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
117 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
118 ipcp_update_bb_counts, ipcp_update_profiling,
119 ipcp_update_edges_counts): New functions.
120 (ipcp_method_cval_init): Remove restriction regarding local methods.
121 (ipcp_init_stage): Add ipcp_method_compute_scale.
122 (ipcp_insert_stage): Add versioning.
123 (ipcp_structures_print): Add ipcp_method_scale_print.
124 (ipcp_driver): Dump profiling info.
125 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
126 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
127 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
128 (struct inline_data): Add versioning_p, ipa_info, new fields.
129 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
130 declare_return_variable): Replace calls to copy_decl_for_inlining with
131 copy_decl_for_dup.
132 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
133 versioning support.
134 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
135 Add argument VERSIONING.
136 (copy_arguments_for_versioning, copy_static_chain,
137 function_versionable_p, tree_versionable_function_p,
138 tree_function_versioning, replace_ref_tree): New functions.
139 * tree-inline.h: Include varray.h.
140 (tree_versionable_function_p, tree_function_versioning,
141 tree copy_decl_for_dup): New declarations.
143 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
145 * ipa-cp.c: New file. Contains IPCP specific functionality.
146 * ipa-prop.h: New file. Contains structures/definitions that can be
147 used by several interprocedural data flow optimizations (and also IPCP).
148 * ipa-prop.c: New file.
149 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
150 * common.opt: Add ipa-cp flag.
151 * timevar.def: Add IPCP optimization.
152 * tree-optimize.c (init_tree_optimization_passes): Schedule
153 pass_ipa_cp.
154 * tree-pass.h (pass_ipa_cp): Declare.
156 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
158 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
159 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
160 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
161 config/i386/i386.c, config/mips/mips.h,
162 config/rs6000/rs6000.h, config/sh/sh.c,
163 config/stormy16/stormy16.c: Fix comment typos.
165 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
167 PR c/22311
168 * c-typeck.c (build_binary_op): Use common_type wrapper on
169 shortened types.
170 (common_type): Update comment.
172 2005-07-31 Steven Bosscher <stevenb@suse.de>
174 PR target/23095
175 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
176 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
177 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
179 2005-07-31 Jan Hubicka <jh@suse.cz>
181 * pretty-print.h (pp_widest_integer): New macro.
182 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
183 counts.
185 2005-07-31 Jan Hubicka <jh@suse.cz>
187 * output.h (enum section_category): Export from varasm.c
188 (categorize_decl_for_section): Likewise.
189 * varasm.c (enum section_category): Kill.
190 (categorize_decl_for_section): Make global.
191 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
192 Declare.
193 * i386.c (ix86_section_threshold): New static variable.
194 (ix86_in_large_data_p, ix86_encode_section_info,
195 x86_64_elf_unique_section,
196 x86_64_elf_select_section): New functions.
197 (TARGET_ENCODE_SECTION_INFO): Define
198 (override_options): Enable medium model for PIC.
199 (ix86_expand_prologue): Expand gen_set_got_rex64.
200 (legitimate_constant_p): Handle new UNSPECs.
201 (legitimate_pic_address_disp_p): Likewise.
202 (legitimize_pic_address): Lower MEDIUM model addressing.
203 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
204 (enum cmodel): Add MEDIUM_PIC.
205 (SYMBOL_REF_FAR_ADDR_P): New macro.
206 (SYMBOL_FLAG_FAR_ADDR): New flag.
207 * i386.md (movdi): Support medium model.
208 (set_got_rex64): New pattern.
209 * i386.opt (mlarge-data-threshold): New flag.
210 * predicates.md (zext_operand/sext_operand): Deal with medium model.
211 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
212 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
213 TARGET_ASM_UNIQUE_SECTION): New.
215 * invoke.texi (-mlarge_data_threshold): Document
217 2005-07-31 Jan Hubicka <jh@suse.cz>
219 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
220 (coalesce_vars): Likewise.
221 * tree-ssa-live.c (coalesce_cost): New.
222 (build_tree_conflict_graph): Use coalesce_cost.
223 * tree-ssa-live.h (coalesce_cost): Declare.
225 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
227 * arm.md (all peepholes for post-increment operations): Delete.
228 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
229 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
230 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
231 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
232 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
234 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
236 * fold-const.c (tree_expr_nonnegative_p): Always return true for
237 non-integral types.
239 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
241 PR target/22582
242 * doc/invoke.texi: Document -rdynamic.
244 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
246 PR c/23143
247 * c-parser.c (c_parser_parms_list_declarator): Call
248 mark_forward_parm_decls.
249 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
250 decls with visibility structure.
252 2005-07-30 Paul Brook <paul@codesourcery.com>
254 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
256 2005-07-30 Paul Brook <paul@codesourcery.com>
258 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
259 prototype.
260 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
261 value for mode.
262 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
264 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
266 PR c/529
267 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
268 nested function declarators.
269 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
270 (grokparms): Call warn_if_shadowing for parameters used within the
271 parameter list.
272 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
273 not used within the parameter list.
274 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
276 2005-07-30 Jan Hubicka <jh@suse.cz>
278 * expr.c (expand_expr_real_1): Do not load mem targets into register.
279 * i386.c (ix86_fixup_binary_operands): Likewise.
280 (ix86_expand_unary_operator): Likewise.
281 (ix86_expand_fp_absneg_operator): Likewise.
282 * optabs.c (expand_vec_cond_expr): Validate dest.
284 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
286 PR c/21720
287 * real.c (real_from_string): Also set last bit if there is a
288 nonzero hex digit beyond GCC's internal precision after ".".
290 2005-07-29 David Edelsohn <edelsohn@gnu.org>
292 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
293 define_constants. Change duplicate values to unassigned numbers.
294 Change UNSPEC_SUBS to UNSPEC_VSUBS.
295 (*altivec_vspltsf): New.
296 (altivec_vperm_v4sf): Delete.
297 (altivec_vperm_<mode>): Use mode macro V.
298 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
299 (altivec_predicate_v4sf): Delete.
300 (altivec_predicate_<mode>): Use mode macro V.
301 (*altivec_lvesfx): New.
302 (*altivec_stvesfx): New.
303 (vec_realign_load_v4sf): Delete.
304 (vec_realign_load_<mode>): Use mode macro V.
305 * config/rs6000/rs6000.c (generate_set_vrsave): Use
306 UNSPECV_SET_VRSAVE.
308 2005-07-29 Mark Mitchell <mark@codesourcery.com>
310 PR bootstrap/23131
311 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
312 string.
313 * configure: Regenerated.
315 2005-07-29 Paul Brook <paul@codesourcery.com>
317 * doc/install.texi: Add link to GFortran binaries wiki page.
319 2005-07-29 David Ung <davidu@mips.com>
321 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
322 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
323 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
324 * config/mips/mips.md (cpu): Add 5kf name.
325 (includes): Includes 5k.md.
326 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
327 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
328 -march flag.
330 2005-07-29 Diego Novillo <dnovillo@redhat.com>
332 PR 22550
333 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
334 (cleanup_tree_cfg): ... here.
335 Call cleanup_tree_cfg_1 until there are no more cleanups to
336 do.
338 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
340 * tree-vrp.c (compare_range_with_value): Return true or false
341 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
342 EQ_EXPR respectively.
344 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
346 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
347 Fix comment typos.
349 2005-07-29 Diego Novillo <dnovillo@redhat.com>
351 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
352 (tree_ssa_dominator_optimize): Increment it.
353 (dump_dominator_optimization_stats): Print it.
355 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
356 Steven Bosscher <stevenb@suse.de>
358 PR rtl-optimization/23117
359 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
360 when head == tail. Tidy comment.
362 2005-07-28 Richard Henderson <rth@redhat.com>
364 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
365 * cselib.c (rtx_equal_for_cselib_p): Likewise.
366 * jump.c (rtx_renumbered_equal_p): Likewise.
367 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
368 CONST_INT and CONST_DOUBLE.
369 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
370 * reload.c (operands_match_p): Special case CONST_INT and
371 CONST_DOUBLE; check mode earlier.
373 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
375 PR c/22240
376 * c-typeck.c (convert_for_assignment): Do not check
377 DECL_IN_SYSTEM_HEADER on NULL fundecl.
379 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
381 PR c/22192
382 * c-typeck.c (composite_type): Prefer constant size arrays to
383 VLAs.
385 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
387 PR c/21720
388 * real.c (real_from_string): Set last bit if there is a nonzero
389 hex digit beyond GCC's internal precision.
391 2005-07-28 Richard Henderson <rth@redhat.com>
393 PR rtl-opt/22619
394 * cfgcleanup.c (try_forward_edges): Watch out for end of
395 insn chain.
397 2005-07-28 James E Wilson <wilson@specifixinc.com>
399 PR c/23106
400 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
402 2005-07-28 Jan Hubicka <jh@suse.cz>
404 * Makefile.in (rtl-profile.o): Kill all traces of it.
405 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
406 * coverage.h (rtl_coverage_counter_ref): Kill.
407 * opts.c (flag_speculative_prefetching_set): Kill.
408 (flag_loop_optimize_set): New.
409 (common_handle_option): Disable loop optimizer when profiling;
410 do not handle speculative prefetching.
411 * passes.c (init_optimization_passes): Replace pass_profiling combo
412 by branch_prob pass.
413 * profile.c (compute_value_histograms): Update for simplified value
414 profiles.
415 (rtl_register_profile_hooks): Kill.
416 (pass_profiling): Kill.
417 (rest_of_handle_branch_prob): Do not profile.
418 * toplev.c (process_options): Remove speculative prefetching.
419 * toplev.h (flag_tree_based_profiling): Kill.
420 * tree-profile.c (prepare_instrumented_value,
421 tree_gen_interval_profiler, tree_gen_pow2_profiler,
422 tree_gen_one_value_profiler, do_tree_profiling): Update for
423 simplified datastructures.
424 * value-prof.c: Add comment that speculative prefetching was dropped;
425 update rest of file for simplified datastructures.
426 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
427 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
428 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
429 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
430 rtl_mod_subtract, gen_speculative_prefetch,
431 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
432 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
433 (gate_handle_value_profile_transformations,
434 rest_of_handle_value_profile_transformations,
435 pass_value_profile_transformations): Kill.
436 * value-prof.h (histogram_value_t): Remove IL based unions.
437 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
438 rtl_profile_hooks): Remove hooks.
440 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
442 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
443 (cgraph_clone_node): Likewise.
444 * cgraph.h (cgraph_clone_edge): Update prototype.
445 (cgraph_clone_node): Likewise.
446 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
447 cgraph_clone_node.
448 (lookup_recursive_calls): Consider profile.
449 (cgraph_decide_recursive_inlining): Fix updating; use new
450 probability argument; use profile.
451 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
452 * tree-inline.c (copy_bb): Update clal of clone_edge.
453 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
455 * invoke.texi (min-inline-recursive-probability): Document.
457 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
459 * doc/install.texi (Configuration): Update Valgrind homepage.
461 2005-07-28 Richard Henderson <rth@redhat.com>
463 PR middle-end/21362
464 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
465 labels we want to delete.
466 (cfg_layout_merge_blocks): Likewise.
468 2005-07-28 Richard Henderson <rth@redhat.com>
470 PR target/17692
471 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
472 when expanding to nothing.
474 2005-07-28 Josh Conner <jconner@apple.com>
476 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
477 (cgraph_decide_inlining_of_small_functions): Likewise.
479 2005-07-28 Josh Conner <jconner@apple.com>
481 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
482 direction of badness if negative.
483 (cgraph_default_inline_p): Add reason to parameters, and assign it
484 a value.
485 (cgraph_decide_inlining_of_small_functions): New parameter in call
486 to cgraph_default_inline_p.
487 (cgraph_decide_inlining_incrementally): Likewise.
488 * cgraphunit.c (decide_is_function_needed): Likewise.
489 * cgraph.h (cgraph_default_inline_p): Likewise.
491 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
493 * builtins.c: Fix comment typo(s).
494 * genautomata.c: Likewise.
495 * gimplify.c: Likewise.
496 * tree-dfa.c: Likewise.
497 * tree-flow-inline.h: Likewise.
498 * tree-into-ssa.c: Likewise.
499 * tree-ssa-alias.c: Likewise.
500 * tree-ssa-ccp.c: Likewise.
501 * tree-ssa-copy.c: Likewise.
502 * tree-ssa-dce.c: Likewise.
503 * tree-ssa-dom.c: Likewise.
504 * tree-ssa-operands.c: Likewise.
505 * tree-tailcall.c: Likewise.
506 * tree-vectorizer.c: Likewise.
507 * tree-vrp.c: Likewise.
508 * tree.c: Likewise.
510 2005-07-28 Jeff Law <law@redhat.com>
512 * tree-vrp.c (test_for_singularity): Extracted from ...
513 (simplify_cond_using_ranges): Attempt to simplify a relational
514 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
516 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
518 PR tree-optimization/22506
519 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
520 phis whose argument is constant.
522 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
524 PR rtl-optimization/18992
525 Back out this patch:
526 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
527 PR optimization/12142
528 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
529 uses of the register in the SET_SRC. Remove unnecessary argument.
531 Replace it with this:
532 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
533 if flag_non_call_exceptions is set and the insn may trap, pass
534 pc_rtx as dest for recursion.
535 In SET_SRC part of SET case, if dest is already set, pass it down
536 unchanged.
538 2005-07-28 Jan Hubicka <jh@suse.cz>
540 * cfg.c (update_bb_profile_for_threading): Use RDIV.
541 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
542 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
543 roundoff errors.
544 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
545 profile when available.
547 2005-07-28 Jan Beulich <jbeulich@novell.com>
549 * config/ia64/ia64.c (ia64_load_pair_ok): New.
550 (ia64_print_operand): Describe and handle 'X'.
551 (ia64_register_move_cost): Also handle FP_REGS.
552 (ia64_preferred_reload_class): Likewise.
553 (ia64_secondary_reload_class): Likewise.
554 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
555 it. Also check for ITANIUM_CLASS_FLDP.
556 * config/ia64/ia64.h (FP_REGNO_P): New.
557 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
558 (reg_class): Add FP_REGS.
559 (REG_CLASS_NAMES): Adjust for it.
560 (REG_CLASS_CONTENTS): Likewise.
561 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
562 (REG_CLASS_FROM_LETTER): Handle 'x'.
563 (CLASS_MAX_NREGS): Handle FP_REGS.
564 (MEMORY_MOVE_COST): Likewise.
565 * config/ia64/ia64.md (itanium_class): Add fldp.
566 (type): Handle fldp.
567 (movti_internal): More allowable operand combinations. Use ldfp8 when
568 splitting unnecessary. Remove predicable attribute. Adjust
569 itanium_class attribute.
570 (smuldi3_highpart): Remove outdated comment.
571 (mulditi3, umulditi3, rotlti3): New expanders.
572 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
573 (absti2): Disabled new insn for future reference.
574 Respective new splitters.
575 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
576 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
577 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
579 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
581 PR rtl-optimization/23047
582 * simplify-rtx.c (simplify_const_relational_operation): Respect
583 flag_wrapv for comparisons with ABS.
585 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
587 PR tree-optimization/22493
588 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
589 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
591 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
593 * config/frv/frv.opt (moptimize-membar): New.
595 * doc/invoke.texi: Document -moptimize-membar and its inverse.
597 * config/frv/frv.h: Remove machine_function definition.
599 * config/frv/frv.c (struct frv_io): New.
600 (struct machine_function): Moved from frv.h. Add has_membar_p.
601 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
602 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
603 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
604 (frv_optimize_membar_global, frv_optimize_membar): New functions.
605 (frv_reorg): Call frv_optimize_membar when appropriate.
606 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
607 (frv_expand_builtin): Adjust calls accordingly.
608 (frv_io_address_cookie): New function.
609 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
610 load or store rather than a special insn. Add ccnstant address and
611 io-type operands to the membar.
612 (frv_ifcvt_modify_tests): Unsign regno.
613 (frv_ifcvt_modify_tests): Same.
615 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
616 UNSPEC_OPTIONAL_MEMBAR constant.
617 (builtin_read_<mode>): Delete.
618 (builtin_write_<mode>): Delete.
619 ("optional_membar_<mode>"): Add operand.
621 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
622 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
623 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
624 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
625 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
626 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
627 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
628 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
629 * testsuite/gcc.target/frv/all-read-write-1.c: New.
631 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
633 * df.c (df_uses_record): Handle SCRATCH.
635 2005-07-28 Steven Bosscher <stevenb@suse.de>
637 PR debug/20161
638 * passes.c (rest_of_decl_compilation): If decl is a type and
639 we have encountered errors, don't emit debug information.
641 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
643 * params.def: Fixed comment.
645 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
647 PR target/19885
648 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
649 (TARGET_ASM_UNALIGNED_HI_OP): Add.
650 (TARGET_ASM_UNALIGNED_SI_OP): Add.
652 2005-07-27 Steven Bosscher <stevenb@suse.de>
654 PR c++/22003
655 * varasm.c (assemble_start_function): Don't do anything that may
656 require a CFG if the current function is a thunk.
658 2005-07-25 Geoffrey Keating <geoffk@apple.com>
660 * doc/install.texi (Prerequisites): Mention that perl is needed
661 to do export control in libstdc++ targetting Darwin.
663 2005-07-27 Steven Bosscher <stevenb@suse.de>
665 PR rtl-optimization/17808
666 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
667 (sched_insns_conditions_mutex_p): Split out from...
668 (add_dependence): ...here. But don't call it from here.
669 (add_dependence_list): Check sched_insns_conditions_mutex_p
670 before calling add_dependence.
671 (add_dependence_list_and_free): Likewise.
672 (fixup_sched_groups): Likewise.
673 (sched_analyze_1): Likewise.
674 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
675 (sched_analyze): Likewise.
676 (sched_analyze_insn): Likewise.
677 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
678 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
679 dependencies on all COND_EXEC insns to jumps ending basic blocks
680 when doing intrablock scheduling.
681 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
683 2005-07-27 Jeff Law <law@redhat.com>
685 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
686 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
687 equivalency sets, correctly handle the case were vr0 has an
688 equivalency set, but vr1 does not.
690 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
692 PR tree-optimization/23073
693 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
694 vect_print_dump_info before fprintf.
696 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
698 PR tree-optimize/22348
699 * tree-ssa-loop-niter.c (number_of_iterations_cond):
700 Fold the partial computation.
702 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
704 PR tree-optimization/22325
705 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
706 Declare.
707 * tree-scalar-evolution.c (scev_const_prop): Add generic final
708 value replacement.
709 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
710 (force_var_cost): ... this function.
711 (compute_phi_arg_on_exit): Export.
713 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
715 PR tree-optimization/20773
716 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
717 edge.
719 2005-07-27 Richard Guenther <rguenther@suse.de>
721 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
722 Avoid pushing again if current struct contains only
723 fields we decomposed.
725 2005-07-27 Jan Hubicka <jh@suse.cz>
727 PR tree-optimization/22574
728 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
729 not available.
731 * tree-tailcall.c (decrease_profile): New function.
732 (eliminate_tail_call): Use it.
734 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
735 visibility flags correctly in whole program mode.
737 2005-07-26 Steve Ellcey <sje@cup.hp.com>
739 PR rtl-optimization/22472
740 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
742 2005-07-26 Steven Bosscher <stevenb@suse.de>
744 PR tree-optimization/22504
745 * tree-complex.c (expand_complex_addition): Use 'code' instead
746 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
748 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
750 * config.gcc (cpu_type): Add frv case.
751 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
752 (supported_defaults): Add fr550 case.
754 2005-07-26 Diego Novillo <dnovillo@redhat.com>
756 PR 22591
757 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
758 whether a pointer of type T * may point to objects of type T *.
760 2005-07-26 DJ Delorie <dj@redhat.com>
762 * configure: Regenerate.
764 2005-07-26 Dale Johannesen <dalej@apple.com>
766 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
768 2005-07-26 Mark Mitchell <mark@codesourcery.com>
770 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
771 Clarify use of "build" in name.
773 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
775 * doc/extend.texi (Raw read/write Functions): New section.
776 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
777 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
778 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
779 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
780 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
781 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
782 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
783 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
784 * config/frv/frv.c: Add bdesc_loads global.
785 Add bdesc_stores global.
786 (frv_init_builtins): Add support for __builtin_{read/write}*.
787 (frv_volatile_memref): New.
788 (frv_expand_load_builtin): New.
789 (frv_expand_store_builtin): New.
790 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
791 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
792 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
793 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
794 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
795 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
796 (builtin_read_<mode>): New.
797 (builtin_write_<mode>): New.
798 (builtin_write64): New.
799 (optional_membar_<mode>): New.
801 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
803 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
804 (rather than units) against HOST_BITS_PER_WIDE_INT.
806 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
808 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
809 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
810 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
811 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
812 FSF address.
814 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
815 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
816 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
817 comment typos.
818 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
820 2005-07-26 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/22486
823 * fold-const.c (fold_unary): Fold away useless component
824 references of the form (T *)&T.x, if the address
825 doesn't change.
827 2005-07-25 James E Wilson <wilson@specifixinc.com>
829 * dwarf2out.c (add_call_src_coords_attributes): New.
830 (gen_inlined_subroutine_die): Call it.
831 (maybe_emit_file, init_file_table): Add comments.
832 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
833 maybe_emit_file.
834 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
835 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
836 * tree.h (BLOCK_SOURCE_LOCATION): New.
837 (struct tree_block): New field locus.
839 2005-07-26 Andreas Schwab <schwab@suse.de>
841 PR rtl-optimization/23043
842 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
843 when allocating a struct unoccr.
845 2005-07-25 Richard Henderson <rth@redhat.com>
847 PR 22626
848 * tree-complex.c (gate_no_optimization): True if errors.
849 * Makefile.in (tree-complex.o): Update dependencies.
851 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
853 * config/frv/predicates.md (integer_register_operand): Use
854 GPR_AP_OR_PSEUDO_P.
856 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
858 PR tree-opt/22484
859 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
860 after fold.
861 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
863 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
865 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
866 types when flag_unsafe_math_optimizations is true.
868 2005-07-25 Mark Mitchell <mark@codesourcery.com>
870 * gcc.c (option_map): Add --sysroot.
871 (process_command): Handle --sysroot.
872 (display_help): Document it.
873 * doc/cppopts.tex (-isysroot): Document.
874 * doc/invoke.texi (--sysroot): Document.
875 * doc/install.texi (--with-build-sysroot): Document.
877 * Makefile.in (inhibit_libc): New variable.
878 (INHIBIT_LIBC_CFLAGS): Likewise.
879 (LIBGCC2_CFLAGS): Include
880 $(INHIBIT_LIBC_CFLAGS).
881 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
882 ($(T)crtbegin.o): Do not use @inhibit_libc@.
883 ($(T)crtend.o): Likewise.
884 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
885 ($(T)crtendS.o): Likewise.
886 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
887 ($(T)crtendT.o): Likewise.
888 (stmp-fixinc): Do not complain about missing headers if
889 inhibit_libc.
890 * configure.ac (inhibit_libc): Set it to true/false.
891 (--with-build-sysroot): New option. Use it to set
892 SYSTEM_HEADER_DIR.
893 * configure: Regenerated.
895 2005-07-25 Manfred Hollstein <mh@suse.com>
897 * calls.c (store_one_arg): Fix unsigned comparison warning.
899 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
901 PR other/22337
902 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
903 (ggc_print_statistics): Initialize variable before use.
905 2005-07-25 Richard Guenther <rguenther@suse.de>
907 * tree-dfa.c (mark_new_vars_to_rename): Protect against
908 calling with a PHI_NODE argument.
910 * tree-flow-inline.h (overlap_subvar): Protect against
911 possible overflow.
913 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
915 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
916 * configure: Regenerate.
918 2005-07-25 Ira Rosen <irar@il.ibm.com>
920 * expr.c (highest_pow2_factor): Make extern.
921 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
922 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
923 record_array_differ_p, array_ptr_differ_p): Likewise.
924 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
925 additional cases. Call the above functions.
926 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
927 base_object_differ_p when there are two base objects. Otherwise, compare
928 base address and offset. Call may_alias_p.
929 (dump_data_reference): Use a correct field name.
930 (analyze_array): Make static. Initialize new data-ref fields.
931 (analyze_indirect_ref): New function.
932 (init_data_ref): Initialize new data-ref fields.
933 (strip_conversion): Moved from tree-vect-analyze.c.
934 (analyze_offset_expr, get_ptr_offset, address_analysis,
935 object_analysis): Likewise.
936 (analyze_offset): New function.
937 (create_data_ref): Likewise.
938 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
939 dimensions for ARRAY_REFs only.
940 (build_classic_dist_vector): Make static.
941 (access_functions_are_affine_or_constant_p): Call macro to get the
942 address of access functions.
943 (compute_all_dependences): Add new parameter
944 compute_self_and_read_read_dependences. Compute self and read-read
945 dependences if it is true.
946 (find_data_references_in_loop): Call create_data_ref. Initialize new
947 data-ref fields.
948 (compute_data_dependences_for_loop): Add new parameter
949 compute_self_and_read_read_dependences. Remove parameter nb_loops,
950 compute nb_loops. Call compute_all_dependences,
951 build_classic_dist_vector and build_classic_dir_vector with correct
952 parameters.
953 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
954 with correct parameters. Compare dimensions for ARRAY_REFs only.
955 (free_data_refs): Call macro to free access functions.
956 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
957 fields from stmt_vinfo.
958 (struct base_object_info): New structure.
959 (struct data_reference): Move fields to base_object_info. Add fields
960 first_location and object_info for above structures. Move fields from
961 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
962 aligned_to. Add macros to access the new fields.
963 Update functions declarations.
964 * tree-flow.h (is_aliased_with): Declare.
965 * tree-loop-linear.c (linear_transform_loops): Call
966 compute_data_dependences_for_loop with correct parameters.
967 * tree-ssa-alias.c (is_aliased_with): New function.
968 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
969 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
970 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
971 vect_base_addr_differ_p, compute_subscript_distance and
972 build_classic_dist_vector. Add printings. Check absolute value of
973 distance.
974 (vect_analyze_data_ref_dependences): Go through ddrs instead of
975 data-refs.
976 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
977 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
978 to bytes. Add printing.
979 (vect_compute_data_refs_alignment): Go through loads and stores in one
980 loop.
981 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
982 vect_analyze_data_ref_access): Likewise.
983 (vect_analyze_pointer_ref_access): Remove.
984 (vect_address_analysis, vect_object_analysis): Likewise.
985 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
986 and analyze data-refs in the loop.
987 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
988 fields of data-ref instead of stmt. Add init to the offset from the
989 base.
990 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
991 (vect_update_init_of_dr): Likewise.
992 (vect_update_inits_of_drs): Go through loads and stores in one loop.
993 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
994 removed fields.
995 (new_loop_vec_info): Initialize new fields.
996 (destroy_loop_vec_info): Free new fields.
997 (vect_strip_conversion): Remove.
998 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
999 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
1000 datarefs. Add new field ddrs.
1001 Add macros for the new fields access.
1002 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
1003 base_aligned_p, misalignment, memtag, ptr_info and subvars.
1004 Remove their macros.
1005 * tree.h (highest_pow2_factor): Declare.
1007 2005-07-25 Jakub Jelinek <jakub@redhat.com>
1009 * calls.c (store_one_arg): Check for sibling call MEM arguments
1010 from already clobbered incoming argument area.
1012 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * c-common.c (check_missing_format_attribute): New.
1015 * c-common.h (check_missing_format_attribute): Likewise.
1016 * c-typeck.c (convert_for_assignment): Use it.
1018 2005-07-24 Andreas Schwab <schwab@suse.de>
1020 * config/m68k/m68k.md ("extendqidi2"): When source is an address
1021 register use a word move. Correct operand of ext.w in 68000 code.
1023 2005-07-23 Mark Mitchell <mark@codesourcery.com>
1025 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
1026 variables as declarations, rather than definitions.
1028 2005-07-24 Ira Rosen <irar@il.ibm.com>
1030 PR tree-optimization/22526
1031 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
1032 of the zero node.
1034 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1036 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
1037 that C99 reserve for future use. Use it to define clog10,
1038 clog10f and clog10l.
1040 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1042 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
1043 * configure.ac: Check for -Wmissing-format-attribute.
1045 * configure: Regenerate.
1047 2005-07-23 Richard Henderson <rth@redhat.com>
1049 PR tree-optimization/22623
1050 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
1052 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
1054 PR target/22577
1055 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
1057 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1059 * Makefile.in (C_TREE_H): Update dependencies.
1060 * c-tree.h: Include toplev.h.
1061 * diagnostic.h (diagnostic_set_info): Add format attribute.
1062 * rtl-error.c (diagnostic_for_asm): Likewise.
1064 2005-07-23 Chao-ying Fu <fu@mips.com>
1066 * config/mips/mips-dsp.md: New file.
1067 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
1068 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
1069 functions.
1070 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
1071 MIPS_BUILTIN_BPOSGE32.
1072 (mips_expand_builtin_direct): Add one parameter to indicate that
1073 builtin functions need to return a value.
1074 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
1075 functions.
1076 (mips_regno_to_class): Add classes for 12 new DSP registers.
1077 (mips_subword): Change to check four HI registers.
1078 (mips_output_move): Output move to and from 6 new DSP accumulators.
1079 (override_options): Make sure -mdsp and -mips16 are not used together.
1080 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
1081 for machine modes.
1082 (mips_conditional_register_usage): Disable 6 new DSP accumulators
1083 when !TARGET_DSP.
1084 (print_operand): Add 'q' for printing DSP accumulators.
1085 (mips_cannot_change_mode_class): Check ACC_REGS.
1086 (mips_secondary_reload_class): Check ACC_REGS.
1087 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
1088 (mips_register_move_cost): Check ACC_REGS.
1089 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
1090 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
1091 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
1092 (dsp_bdesc): New array.
1093 (bdesc_arrays): Add DSP builtin function table.
1094 (mips_prepare_builtin_arg): Check predicate again after
1095 copy_to_mode_reg.
1096 (mips_expand_builtin): Add one more parameter to
1097 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
1098 MIPS_BUILTIN_BPOSGE32.
1099 (mips_init_builtins): Initialize new function types.
1100 (mips_expand_builtin_direct): Check if builtin functions need to
1101 return a value and pass operands properly.
1102 (mips_expand_builtin_bposge): New function.
1103 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
1104 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
1105 (FIRST_PSEUDO_REGISTER): Increase to 188.
1106 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1107 Update for 12 new DSP registers.
1108 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
1109 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
1110 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
1111 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
1112 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
1113 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
1114 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
1115 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
1116 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
1117 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
1118 (REGISTER_NAMES): Add names for 12 new DSP registers.
1119 * config/mips/mips.md: Include mips-dsp.md.
1120 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
1121 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
1122 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
1123 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
1124 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
1125 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
1126 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
1127 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
1128 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
1129 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
1130 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
1131 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
1132 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
1133 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
1134 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
1135 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
1136 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
1137 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
1138 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
1139 (UNSPEC_RDDSP): New constants.
1140 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
1141 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
1142 A<-d alternative.
1143 * config/mips/mips.opt (-mdsp): New option.
1144 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
1145 (reg_imm10_operand): New predicates.
1146 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
1147 * doc/invoke.texi (-mdsp): Document new option.
1149 2005-07-22 DJ Delorie <dj@redhat.com>
1151 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
1152 to warning calls.
1153 * tree-inline.c (inlinable_function_p): Likewise.
1155 2005-07-22 Mark Mitchell <mark@codesourcery.com>
1157 PR debug/21828
1158 * toplev.c (check_global_declarations): Do not mark undefined
1159 variables as DECL_IGNORED_P.
1160 * varasm.c (first_global_object_name): GTY it.
1161 (weak_global_object_name): Likewise.
1162 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
1163 a string to go into {weak,first}_global_object_name.
1165 2005-07-22 DJ Delorie <dj@redhat.com>
1167 * c-format.c (check_function_format): Change warning control
1168 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
1170 2005-07-22 Diego Novillo <dnovillo@redhat.com>
1172 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
1173 &PTR->FLD a dereference of PTR.
1174 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
1175 a potential dereference of PTR.
1177 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
1179 PR rtl-optimization/20370
1180 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
1181 call allocate_reg_info if necessary.
1183 PR rtl-optimization/21848
1184 * calls.c (emit_library_call_value_1): For const functions, add
1185 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
1187 PR rtl-optimization/22445
1188 * cselib.c (target.h): Include.
1189 (rtx_equal_for_cselib_p): Allow commutative matches.
1190 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
1191 Remove MODE parameter. Changed all callers.
1193 PR rtl-optimization/22258
1194 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
1195 New functions.
1196 (try_combine): Use likely_spilled_retval_p.
1198 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
1200 * config.gcc: Add crx-elf support.
1202 * doc/contrib.texi: Mention crx.
1203 * doc/extend.texi: Document crx extensions.
1204 * doc/install.texi: Document crx install.
1205 * doc/invoke.texi: Document crx options.
1206 * doc/md.texi: Document crx constraints.
1208 * config/crx/crx-protos.h: New file.
1209 * config/crx/crx.c: New file.
1210 * config/crx/crx.h: New file.
1211 * config/crx/crx.md: New file.
1212 * config/crx/crx.opt: New file.
1213 * config/crx/t-crx: New file.
1215 2005-07-22 Manfred Hollstein <mh@suse.com>
1217 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
1218 warnings.
1219 (int_add_graph_edge): Likewise.
1220 (collapse_nodes): Likewise.
1221 (process_unification_queue): Likewise.
1223 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1224 Laurent GUERBY <laurent@guerby.net>
1226 PR tree-optimization/22336
1227 * function.c (record_block_change): Check for
1228 cfun->ib_boundaries_block.
1230 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
1232 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
1233 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
1235 2005-07-21 DJ Delorie <dj@redhat.com>
1237 * toplev.c (warn_deprecated_use): Add warning control to warning
1238 call.
1239 * c-typeck.c (parser_build_binary_op): Likewise.
1240 (c_finish_if_stmt): Likewise.
1241 * c-common.c (check_function_sentinel): Likewise.
1242 (check_nonnull_arg): Likewise.
1244 2005-07-21 Richard Henderson <rth@redhat.com>
1246 PR tree-opt/22504
1247 * tree-complex.c (complex_ssa_name_components): New.
1248 (cvc_lookup): Allow entry not found.
1249 (create_components): Remove.
1250 (create_one_component_var, get_component_var): New.
1251 (get_component_ssa_name, set_component_ssa_name): New.
1252 (extract_component): Use get_component_ssa_name.
1253 (update_complex_components): Use set_component_ssa_name.
1254 (update_complex_components_on_edge): Likewise.
1255 (update_phi_components): Create new PHI nodes directly, instead
1256 of adding insns to edges.
1257 (tree_lower_complex): Allocate and free complex_variable_components
1258 and complex_ssa_name_components here.
1260 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
1262 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
1263 revert to returning false.
1265 2005-07-21 Uros Bizjak <uros@kss-loka.si>
1267 PR target/21149
1268 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
1270 2005-07-21 Uros Bizjak <uros@kss-loka.si>
1272 PR target/22576
1273 * config/i386/i386.md (cmpxf): Change operand constraints
1274 to "nonmemory_operand".
1276 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
1278 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
1280 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
1282 PR middle-end/21180
1283 * fold-const.c (fold_build1): Add checksum for the operands.
1284 (fold_build2): Likewise.
1285 (fold_build3): Likewise.
1287 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
1289 PR middle-end/19055
1290 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
1292 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
1294 * common.opt (-fforward-propagate): Committed by mistake,
1295 removed.
1297 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1299 * reg-stack.c: Fix comment typo(s).
1300 * tree-ssa-operands.c: Likewise.
1301 * tree-vectorizer: Likewise.
1303 2005-07-21 Nick Clifton <nickc@redhat.com>
1305 * config/sh/symbian.c: Replace C++ style line comments with C
1306 style line comments.
1307 (symbian_add_attribute): Do not use a ? operator on the LHS of
1308 an assignment.
1309 (sh_symbian_handle_dll_attribute): Change the type of the
1310 method vector to "VEC(tree,gc)*" and use vector accessor
1311 macros to walk over the elements.
1312 (symbian_export_vtable_and_rtti_p): Likewise.
1313 (symbian_class_needs_attribute_p): Likewise.
1315 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
1317 PR target/22085
1318 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
1319 initialize targetm.resolve_overloaded_builtin here.
1320 (altivec_expand_overloaded_builtin): Make it non-static.
1321 * config/rs6000/rs6000-protos.h
1322 (altivec_expand_overloaded_builtin): New prototype.
1323 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
1324 targetm.resolve_overloaded_builtin here.
1325 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
1327 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
1328 Zdenek Dvorak <dvorakz@suse.cz>
1330 PR tree-optimization/19210
1331 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
1332 New.
1333 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
1334 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
1335 rely on unproven assumptions.
1336 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
1337 * tree-flow.h (number_of_iterations_exit): Add final parameter.
1338 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
1339 to number_of_iterations_exit.
1340 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
1341 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
1342 * tree-ssa-loop-niter.c (find_loop_niter,
1343 estimate_numbers_of_iterations_loop): Likewise.
1344 (number_of_iterations_exit): Honor the new options.
1345 * doc/invoke.texi (Wunsafe-loop-optimizations,
1346 funsafe-loop-optimizations): Document them.
1348 2005-07-21 Richard Sandiford <richard@codesourcery.com>
1350 PR rtl-optimization/22167
1351 * gcse.c (hoist_code): Fix hoist_exprs[] check.
1353 2005-07-20 Adam Nemet <anemet@lnxw.com>
1355 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
1356 __do_global_dtors_aux longcall.
1358 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
1360 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
1361 (old_special_pred_table): Don't reference
1362 SPECIAL_MODE_PREDICATES.
1363 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
1364 * config/arc/arc.h: Don't mention PREDICATE_CODES.
1365 * config/sh/predicates.h: Don't mention
1366 SPECIAL_MODE_PREDICATES.
1367 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1368 Remove.
1370 2005-07-20 DJ Delorie <dj@redhat.com>
1372 * config.gcc: Add m32c-elf support.
1374 * doc/contrib.texi: Mention m32c.
1375 * doc/extend.texi: Document m32c extensions.
1376 * doc/install.texi: Mention m32c.
1377 * doc/invoke.texi: Document m32c options.
1378 * doc/md.texi: Document m32c constraints.
1380 * config/m32c/addsub.md: New file.
1381 * config/m32c/bitops.md: New file.
1382 * config/m32c/cond.md: New file.
1383 * config/m32c/jump.md: New file.
1384 * config/m32c/m32c-lib1.S: New file.
1385 * config/m32c/m32c-lib2.c: New file.
1386 * config/m32c/m32c-modes.def: New file.
1387 * config/m32c/m32c-pragma.c: New file.
1388 * config/m32c/m32c-protos.h: New file.
1389 * config/m32c/m32c.abi: New file.
1390 * config/m32c/m32c.c: New file.
1391 * config/m32c/m32c.h: New file.
1392 * config/m32c/m32c.md: New file.
1393 * config/m32c/m32c.opt: New file.
1394 * config/m32c/minmax.md: New file.
1395 * config/m32c/mov.md: New file.
1396 * config/m32c/muldiv.md: New file.
1397 * config/m32c/predicates.md: New file.
1398 * config/m32c/prologue.md: New file.
1399 * config/m32c/shift.md: New file.
1400 * config/m32c/t-m32c: New file.
1402 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
1404 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1405 (stack_protect_set, stack_protect_test): New expanders.
1406 (stack_protect_set_si, stack_protect_set_si_media,
1407 stack_protect_set_di_media, stack_protect_test_si,
1408 stack_protect_test_si_media, stack_protect_test_di_media):
1409 New insns.
1411 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
1413 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1415 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
1417 * tree.h (tree_expr_nonzero_p): Export.
1418 * fold-const.c (tree_expr_nonzero_p): Likewise.
1419 Return true for CALL_EXPRs that are alloca calls.
1420 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1421 against zero.
1422 * tree-flow.h (expr_computes_nonzero): Remove.
1423 * tree-vrp.c (expr_computes_nonzero): Remove.
1424 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1425 (extract_range_from_unary_expr): Likewise.
1426 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1427 tree_expr_nonzero_p.
1429 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
1431 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1432 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
1433 extra arg "picreg" and use it instead of pic_offset_table_rtx.
1434 All callers changed.
1435 (frame_related_constant_load): New arg "related" which controls
1436 setting of RTX_FRAME_RELATED_P. All callers changed.
1437 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1438 (bfin_expand_prologue): Add stack limit checking.
1439 * config/bfin/bfin.md (trapifcc): New pattern.
1441 * config/bfin/bfin.c: Include "langhooks.h".
1442 (def_builtin): Go through lang_hooks to call builtin_function.
1444 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1445 * config/bfin/predicates.md (symbol_ref_operand): New.
1446 (call_insn_operand): Delete. All callers changed to use
1447 register_no_elim_operand.
1448 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1449 call_cookie field.
1450 (function_arg): Use it to generate the call's operand 2.
1451 (bfin_longcall_p): New function.
1452 (bfin_expand_call): Extra arg "cookie". All callers and declaration
1453 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
1454 determine if the address needs to be in a REG.
1455 (bfin_handle_longcall_attribute): New function.
1456 (bfin_attribute_table): Add "longcall" and "shortcall".
1457 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1458 (CUMULATIVE_ARGS): New member call_cookie.
1459 (PREDICATE_CODES): Add symbol_ref_operand.
1460 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1461 extra USE to the pattern.
1462 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1463 New patterns, split off call_insn, sibcall_insn, call_value_insn and
1464 sibcall_value_insn; now the new patterns handle direct calls and the
1465 old ones indirect calls.
1466 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1468 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
1470 * doc/trouble.texi: Update section on handling of empty loops.
1472 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
1474 * config.gcc: Remove support for sparc-*-openbsd*,
1475 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1476 ns32k-*-netbsd*.
1477 * config.host: Remove support for i860-*-sysv4* as a host.
1478 * config/i860/*, config/ip2k/*, config/ns32k/*,
1479 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1480 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1481 mention obsolete ports.
1483 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
1485 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1486 soft frame pointer.
1487 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1488 of frame_pointer_rtx.
1489 (sh_expand_epilogue): Likewise.
1490 (sh_set_return_address): Likewise.
1491 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1492 instead of FRAME_POINTER_REGNUM if needed. Add elimination
1493 offsets from FRAME_POINTER_REGNUM.
1494 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1495 (sh_register_names): Add initializer for sfp.
1496 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1497 (VALID_REGISTER_P): Likewise.
1498 (FIRST_PSEUDO_REGISTER): Update.
1499 (DWARF_FRAME_REGISTERS): Define.
1500 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1501 (HARD_FRAME_POINTER_REGNUM): Define.
1502 (FRAME_POINTER_REGNUM): Redefine.
1503 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1504 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
1505 from FRAME_POINTER_REGNUM.
1506 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1507 FRAME_POINTER_REGNUM.
1508 (REG_CLASS_CONTENTS): Add sfp.
1509 (REG_ALLOC_ORDER): Likewise.
1510 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
1511 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1512 of frame_pointer_rtx.
1513 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1515 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
1517 * fold-const.c (tree_expr_nonnegative_p): Only return true for
1518 ABS_EXPR when flag_wrapv is false because of INT_MIN.
1519 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1520 of an ABS_EXPR.
1521 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1522 ABS_EXPR<x>.
1524 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
1526 Make CONSTRUCTOR use VEC to store initializers.
1527 * c-common.c (complete_array_type): Update to cope with VEC in
1528 CONSTRUCTOR_ELTS.
1529 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1530 (pp_c_constructor_elts): New function.
1531 * c-pretty-print.h (pp_c_constructor_elts): Declare.
1532 * c-typeck.c (build_function_call, build_c_cast, digest_init,
1533 struct constructor_stack, struct initializer_stack,
1534 constructor_elements, push_init_level, pop_init_level,
1535 add_pending_init, find_init_member, output_init_element): Update to
1536 cope with VEC in CONSTRUCTOR_ELTS.
1537 * coverage.c (build_fn_info_value, build_ctr_info_value,
1538 build_gcov_info): Likewise.
1539 * expr.c (categorize_ctor_elements_1, store_constructor,
1540 expand_expr_real_1): Likewise.
1541 * fold-const.c (fold_ternary): Likewise.
1542 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1543 gimplify_init_constructor, gimplify_expr): Likewise.
1544 * tree-dump.c (dequeue_and_dump): Likewise.
1545 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1546 node.
1547 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1548 CONSTRUCTOR_ELTS.
1549 * tree-sra.c (generate_element_init_1): Likewise.
1550 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1551 * tree-ssa-operands.c (get_expr_operands): Likewise.
1552 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1553 * tree-vect-transform.c (vect_get_vec_def_for_operand):
1554 (get_initial_def_for_reduction): Likewise.
1555 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1556 value handle in annotations.
1557 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1558 tree_node_structure): Add support for constr_kind.
1559 (build_vector_from_ctor, build_constructor_single,
1560 build_constructor_from_list): New functions.
1561 (build_constructor): Update to take a VEC instead of a TREE_LIST.
1562 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1563 Update to cope with VEC in CONSTRUCTOR_ELTS.
1564 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1565 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1566 CONSTRUCTOR_APPEND_ELT): New macros.
1567 (struct constructor_elt, struct tree_constructor): New data types.
1568 (union tree_node): Add tree_constructor field.
1569 * treestruct.def: Define TS_CONSTRUCTOR.
1570 * varasm.c (const_hash_1, compare_constant, copy_constant,
1571 compute_reloc_for_constant, output_addressed_constants,
1572 initializer_constant_valid_p, output_constant,
1573 array_size_for_constructor, output_constructor): Update to cope with
1574 VEC in CONSTRUCTOR_ELTS.
1575 * vec.h (VEC_empty, VEC_copy): New macros.
1577 2005-07-19 Devang Patel <dpatel@apple.com>
1579 * dbxout.c (dbxout_type): Check Objective-C++ lang.
1581 2005-07-19 Richard Henderson <rth@redhat.com>
1583 PR tree-opt/22278
1584 * gimplify.c (gimplify_expr): Use main variant type for the temp
1585 destination for a discarded volatile read.
1586 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1587 casts between non-void types that change volatility.
1589 2005-07-15 DJ Delorie <dj@redhat.com>
1591 * toplev.h: Add comment about the first parameter for warning().
1592 * errors.h: Likewise.
1594 * c.opt (Wpragmas): New.
1595 * doc/invoke.texi: Document it.
1597 * function.c (do_warn_unused_parameter): Add warning control to
1598 warning call.
1599 * c-decl.c (warn_if_shadowing): Likewise.
1600 * c-lex.c (cb_def_pragma): Likewise.
1601 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1602 (pop_alignment): Likewise.
1603 (handle_pragma_pack): Likewise.
1604 (apply_pragma_weak): Likewise.
1605 (handle_pragma_weak): Likewise.
1606 (handle_pragma_redefine_extname): Likewise.
1607 (add_to_renaming_pragma_list): Likewise.
1608 (handle_pragma_extern_prefix): Likewise.
1609 (maybe_apply_renaming_pragma): Likewise.
1610 (handle_pragma_visibility): Likewise.
1612 * config/c4x/c4x-c.c (BAD): Likewise.
1613 (c4x_parse_pragma): Likewise.
1614 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1615 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1616 (rs6000_pragma_longcall): Likewise.
1617 * config/v850/v850-c.c (pop_data_area): Likewise.
1618 (ghs_pragma_section): Likewise.
1619 (ghs_pragma_section): Likewise.
1620 (ghs_pragma_interrupt): Likewise.
1621 (ghs_pragma_starttda): Likewise.
1622 (ghs_pragma_startsda): Likewise.
1623 (ghs_pragma_startzda): Likewise.
1624 (ghs_pragma_endtda): Likewise.
1625 (ghs_pragma_endsda): Likewise.
1626 (ghs_pragma_endzda): Likewise.
1628 2005-07-19 Danny Berlin <dberlin@dberlin.org>
1629 Kenneth Zadeck <zadeck@naturalbridge.com>
1631 * Makefile.in: Removed tree-promote-statics.c
1632 * tree-promote-statics.c: Removed.
1633 * common.opt: Removed flag-promote-statics.
1634 * opts.c: Ditto.
1635 * passes.c: Removed tree-promote-statics pass.
1636 * tree-pass.h: Ditto.
1637 * timevar.def: Removed TV_PROMOTE_STATICS.
1640 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
1642 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1643 and *-*-freebsd9.
1644 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1646 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1648 PR c/22476
1649 * c-common.c (check_function_arguments): Call
1650 'check_function_format' if either -Wformat or
1651 -Wmissing-format-attribute are specified.
1652 * c-format.c (check_function_format): Check -Wformat before
1653 calling 'check_format_info'.
1654 * c-opts.c (c_common_post_options): Don't warn for
1655 -Wmissing-format-attribute without -Wformat.
1656 * c-typeck.c (convert_for_assignment): Detect additional cases for
1657 -Wmissing-format-attribute.
1658 * doc/invoke.texi (-Wmissing-format-attribute): Document new
1659 behavior.
1661 2005-07-19 Richard Guenther <rguenther@suse.de>
1663 * config/i386/i386.md (lrint<mode>2): Use temporary
1664 instead of clobbering non-existent memory.
1666 2005-07-19 Nick Clifton <nickc@redhat.com>
1668 * config/avr/avr.c (legitimate_address_p): Fix debugging print
1669 statement to avoid displaying ASCII control characters.
1671 2005-07-19 Ben Elliston <bje@au.ibm.com>
1673 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1674 * cfganal.c (find_edge_index): Ditto.
1675 * combine.c (combine_instructions): Ditto.
1676 * ddg.c (create_scc): Ditto.
1677 (find_successors): Ditto.
1678 (find_predecessors): Ditto.
1679 (find_nodes_on_paths): Ditto.
1680 (longest_simple_path): Ditto.
1681 * flow.c (update_life_info): Ditto.
1682 (count_or_remove_death_notes): Ditto.
1683 (clear_log_links): Ditto.
1684 * modulo-sched.c (generate_reg_moves): Ditto.
1685 (find_max_asap): Ditto.
1686 (find_max_hv_min_mob): Ditto.
1687 (find_max_dv_min_mob): Ditto.
1688 * sbitmap.c (sbitmap_first_set_bit): Ditto.
1689 * sched-rgn.c (extract_edgelst): Ditto.
1690 * tree-into-ssa.c (prepare_names_to_update): Ditto.
1691 (dump_update_ssa): Ditto.
1692 (ssa_names_to_replace) Ditto.
1693 (switch_virtuals_to_full_rewrite): Ditto.
1694 (update_ssa): Ditto.
1695 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1697 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
1699 Fix PR tree-optimization/22483
1701 * tree-complex.c (create_components): Use
1702 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1703 * tree-flow-inline.h (fill_referenced_var_vec): New function.
1704 * tree-flow.h (safe_referenced_var_iterator): New structure.
1705 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1706 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1707 safe_referenced_var iterator.
1708 (add_type_alias): Ditto.
1710 2005-07-19 Steven Bosscher <stevenb@suse.de>
1712 * loop-init.c (rest_of_handle_loop2): Remove.
1713 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1714 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1715 (pass_rtl_loop_init, pass_rtl_loop_done,
1716 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1717 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1718 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1719 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1720 pass_tree_loop_done, and pass_tree_unswitch.
1721 (gate_loop): Rename to gate_tree_loop.
1722 * passes.c (init_optimization_passes): Update for renamed tree
1723 loop passes. Add the new loop2 passes as subpasses of loop2.
1724 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1725 Update for the renamed tree loop passes.
1727 2005-07-18 Ian Lance Taylor <ian@airs.com>
1729 PR middle-end/22057
1730 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1731 blocks when optimizing.
1733 2005-07-18 Steve Ellcey <sje@cup.hp.com>
1735 * common.opt (frename-registers): Initialize to 2.
1736 (fweb): Ditto.
1737 (fgcse-after-reload): Ditto.
1738 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1739 (process_options): Only change flag_web, flag_rename_registers,
1740 and flag_rerun_cse_after_loop if not explicitly set by user.
1742 2005-07-18 Jan Beulich <jbeulich@novell.com>
1744 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1745 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1746 in 64-bit mode the same as DImode in 32-bit mode.
1747 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1748 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1749 mode. Add new mode parameter.
1750 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1751 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1752 x86_64_shift_adj): New expanders.
1753 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1754 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1755 insns.
1756 Respective new splitters. Use renamed shift splitter helpers in 32-bit
1757 DImode shift splitters.
1758 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1759 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1760 mode parameter.
1762 2005-07-18 Jan Beulich <jbeulich@novell.com>
1764 * i386.md (movdi_extzv_1): New.
1765 (zero_extendhidi2): Combine alternatives and never force use of
1766 REX64 prefix.
1767 (zero_extendqidi2): Likewise. Don't restrict input selection.
1769 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1771 Fix PR tree-optimization/22531
1772 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
1773 moment.
1775 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1777 * tree-promote-statics.c (pass_promote_statics): Change dump file
1778 name.
1780 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
1782 * tree-optimize.c (init_tree_optimization_passes): Add
1783 pass_eliminate_useless_stores pass.
1784 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1785 * tree-ssa-pre.c (is_copy_stmt): New function.
1786 (follow_copies_till_vuse): Ditto.
1787 (do_eustores): Ditto.
1788 (gate_eustores): Ditto.
1790 2005-07-16 Richard Henderson <rth@redhat.com>
1792 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1794 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1795 Kenneth Zadeck <zadeck@naturalbridge.com>
1797 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1798 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1799 ipa-type-escape.h, tree-promote-statics.c
1800 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1801 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
1802 tree-promote-statics.c: new files.
1803 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1804 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1805 int nonlocal_set_p, mark_constant_function): Deleted.
1806 (rest_of_handle_cfg): Removed call to mark_constant_function.
1807 (nonoverlapping_component_refs_p): Added calls to support
1808 type based aliasing.
1809 * tree-ssa-alias.c (may_alias_p,
1810 compute_flow_insensitive_aliasing): Ditto.
1811 * calls.c (flags_from_decl_or_type): Removed reference to
1812 cgraph_rtl_info.
1813 * c-typeck.c (convert_arguments): Make builtins tolerant of having
1814 too many arguments. This is necessary for Spec 2000.
1815 * cgraph.h (const_function, pure_function): Removed.
1816 * common.opt: Added "fipa-pure-const", "fipa-reference",
1817 "fipa-type-escape", and "ftree-promote-static".
1818 * opts.c: Ditto.
1819 * passes.c: Added ipa and tree-promote-statics passes.
1820 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1821 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1822 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1823 * tree-flow.h: Added exposed sra calls and addition of
1824 reference_vars_info field for FUNCTION_DECLS.
1825 * tree-pass.h: Added passes.
1826 * tree-sra.c: (sra_init_cache): New function.
1827 (sra_insert_before, sra_insert_after) Made public.
1828 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1829 and made public.
1830 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1831 aliasing. (may_alias_p): Added code to use type escape analysis to
1832 improve alias sets.
1833 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1834 code to prune clobbers of static variables based on information
1835 produced in ipa-reference pass. Changed call clobbering so that
1836 statics are not marked as clobbered if the call does not clobber
1837 them.
1839 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
1841 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1842 too.
1844 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1846 * doc/install.texi (*-*-solaris2*): Document recommended version
1847 of GNU binutils and mention GNU linker problem on Solaris 10.
1849 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
1851 PR c/22421
1852 * c-decl.c (c_build_bitfield_integer_type): New function.
1853 (finish_struct): Call it.
1854 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1856 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1858 * c-typeck.c (digest_init): Call 'convert_for_assignment'
1859 before returning.
1861 2005-07-16 Jan Hubicka <jh@suse.cz>
1863 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1864 (scale_bbs_frequencies_int): Watch roundoff errors.
1865 * predict.c (return_prediction): Initialize return_stmt.
1867 2005-07-16 Jan Hubicka <jh@suse.cz>
1869 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1870 after RTL profiling.
1872 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
1874 PR middle-end/22398
1875 * fold-const.c (build_range_check): Convert high/low to etype
1876 if we are only comparing against exp.
1878 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
1880 Fix PR tree-optimization/22376
1881 * tree-ssa-structalias.c (build_constraint_graph): We really meant
1882 special var here.
1883 (need_to_solve): New function.
1884 (compute_points_to_sets): Use it.
1886 2005-07-15 Jan Hubicka <jh@suse.cz>
1888 * cfg.c (update_bb_profile_for_threading): More diagnostic.
1889 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1891 2005-07-15 Richard Guenther <rguenther@suse.de>
1893 * c-common.c (handle_flatten_attribute): New function.
1894 Add flatten function attribute.
1895 * doc/extend.texi: Document flatten function attribute.
1896 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1897 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1898 New functions.
1899 (cgraph_decide_inlining): Handle functions with flatten
1900 attribute.
1902 2005-07-14 David Edelsohn <edelsohn@gnu.org>
1904 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1905 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1906 UNSPEC_XCHG, UNSPEC_AND): New.
1907 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1908 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1909 * config/rs6000/sync.md (FETCHOP): New code macro.
1910 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1911 New code attrs.
1912 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1913 (sync_compare_and_swap<mode>): Same.
1914 (sync_lock_test_and_set<mode>): Same.
1915 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1916 for QImode and HImode, and not PPC405.
1917 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1918 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1919 (sync_<fetchop>{si,di}_internal): New.
1920 (sync_nand{si,di}_internal): New.
1921 (sync_old_<fetchop>{si,di}_internal): New.
1922 (sync_old_nand{si,di}_internal): New
1923 (sync_new_<fetchop>{si,di}_internal): New.
1924 (sync_new_nand{si,di}_internal): New.
1925 (atomic_and{si,di}): New.
1926 (sync_new_nand{si,di}_internal): New.
1927 (atomic_and{si,di}): New.
1928 (sync_add<mode>_internal): Delete.
1929 (sync_addshort_internal): Use unspec instead of unspec_volatile.
1930 (sync_sub<mode>_internal): Delte.
1931 (sync_subshort_internal): New.
1932 (sync_andsi_internal): Use unspec instead of unspec_volatile.
1933 (sync_anddi_internal): Delete.
1934 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1935 (sync_booldi_internal): Delete.
1936 (sync_boolc<mode>_internal): Delete.
1937 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1938 (sync_boolc<mode>_internal2): Delete.
1939 (sync_boolcc<mode>_internal): Delete.
1940 (isync, lwsync): Use unspec instead of unspec_volatile.
1941 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1942 Revert UNSPEC_VOLATILE.
1943 (rs6000_split_atomic_op): New.
1944 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1946 2005-07-14 Eric Christopher <echristo@redhat.com>
1948 * config/mips/mips.c (mips_canonicalize_comparison): Cast
1949 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1951 2005-07-14 Eric Christopher <echristo@redhat.com>
1953 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1955 2005-07-14 Steven Bosscher <stevenb@suse.de>
1957 PR tree-optimization/22230
1958 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1959 the computation of the four cross productions for "range op range".
1961 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
1962 Ulrich Weigand <uweigand@de.ibm.com>
1964 PR target/20126
1965 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1966 in some insn.
1968 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1970 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1972 2005-07-14 Steve Ellcey <sje@cup.hp.com>
1974 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1976 2005-07-14 Richard Guenther <rguenther@suse.de>
1978 PR middle-end/22347
1979 * config/i386/i386-protos.h (ix86_function_value): Change
1980 prototype to match new target hook.
1981 * config/i386/i386.c (ix86_value_regno): Change prototype
1982 to take extra type argument.
1983 (TARGET_FUNCTION_VALUE): Define.
1984 (ix86_function_ok_for_sibcall): Pass extra argument to
1985 ix86_value_regno, check return slot rtx for exact match.
1986 (ix86_function_value): Take extra parameter. Dispatch to
1987 ix86_value_regno with fndecl/fntype as provided.
1988 (ix86_value_regno): Handle extra type argument.
1989 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1991 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1992 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1993 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1994 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1995 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1997 2005-07-14 Richard Guenther <rguenther@suse.de>
1999 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
2000 * calls.c (expand_call): Pass fntype to hard_function_value.
2001 (emit_library_call_value_1): Likewise.
2002 * explow.c: Include target.h.
2003 (hard_function_value): Take extra argument, the fntype.
2004 Use new target hook for function_value.
2005 * expr.h (hard_function_value): Change prototype.
2006 * function.c (aggregate_value_p): Pass 0 as fntype to
2007 hard_function_value.
2008 (assign_parms): Use new target hook for function_value.
2009 Pass 0 as fntype to hard_function_value.
2010 (expand_function_end): Likewise.
2011 * reg-stack.c: Include target.h.
2012 (stack_result): Use new target hook for function_value.
2013 * target-def.h: New target hook function_value.
2014 * target.h: Likewise.
2015 * targhooks.c (default_function_value): New function.
2016 * targhooks.h (default_function_value): Declare.
2018 2005-07-13 Ian Lance Taylor <ian@airs.com>
2020 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2022 2005-07-14 Jan Hubicka <jh@suse.cz>
2024 * tree-dfa.c (dump_variable): Use default_def function.
2025 * tree-ssa-alias.c (dump_points_to_info): Likewise.
2026 * tree-ssa.c (verify_use): Likewise.
2027 * tree-ssanames.c (release_ssa_name): Likewise.
2028 * tree-tailcall.c (eliminate_tail_call): Likewise.
2029 (tree_optimize_tail_calls_1): Likewise.
2030 * tree-vrp.c (get_value_range): Likewise.
2032 2005-07-14 Ben Elliston <bje@au.ibm.com>
2034 * gcc.c (main): Compare language[0] with '*' when iterating over
2035 the infiles.
2037 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
2039 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
2040 "s390_emit_compare". Add handling of CCZ1mode.
2041 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
2042 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
2043 checking.
2044 (s390_branch_condition_mask): Add CCZ1mode handling.
2045 * config/s390/s390.md: ("seq", "*seq"): New pattern.
2046 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
2047 Use CCZ1mode instead of CCZmode.
2048 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
2050 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
2052 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
2053 pattern.
2054 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
2056 2005-07-13 Eric Christopher <echristo@redhat.com>
2058 * config/mips/mips.c (mips_canonicalize_comparison): New.
2059 (mips_emit_int_relational): Use.
2061 2005-07-13 Eric Christopher <echristo@redhat.com>
2063 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2064 static extra parts.
2065 * config/s390/s390.md: Include tpf.md. Move tpf specific
2066 patterns...
2067 * config/s390/tpf.md: To here.
2068 * config/s390/s390.opt: Move tpf specific options...
2069 * config/s390/tpf.opt: to here. Add mmain option.
2070 * config/s390/tpf-unwind.h: Remove unnecessary defines.
2071 * config/s390/tpf.h: Rewrite.
2073 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
2075 * doc/tm.texi: Remove @xref{Cross-profiling}.
2077 2005-07-13 Jeff Law <law@redhat.com>
2079 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
2080 expressions, test their _DECL operands for pointer equality rather
2081 than using operand_equal_p.
2083 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
2085 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
2086 (TARGET_POSIX_IO): This.
2087 * config/darwin.h: Likewise.
2088 * config/freebsd.h: Likewise.
2089 * config/linux.h: Likewise.
2090 * config/lynx.h: Likewise.
2091 * config/netbsd.h: Likewise.
2092 * config/rs6000/linux64.h: Likewise.
2093 * config/rs6000/linux.h: Likewise.
2094 * config/s390/tpf.h: Likewise.
2095 * config/sh/embed-elf.h: Likewise.
2096 * config/sparc/linux64.h: Likewise.
2097 * config/sparc/linux.h: Likewise.
2098 * config/svr4.h: Likewise.
2099 * gcov-io.h: Likewise.
2101 * doc/tm.texi: Updated.
2103 * libgcov.c (create_file_directory): Defined only if
2104 TARGET_POSIX_IO is defined.
2105 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
2106 is defined.
2108 2005-07-13 Jan Hubicka <jh@suse.cz>
2110 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
2112 2005-07-13 David Edelsohn <edelsohn@gnu.org>
2114 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
2115 structure as argument.
2117 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
2119 PR tree-optimization/21921
2120 * tree-iterator.c (tsi_link_before): Support the case when
2121 tsi_end_p (tsi) == true.
2123 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
2125 PR tree-optimization/22442
2126 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
2127 correctly.
2129 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
2131 PR rtl-optimization/20376
2132 * toplev.c (process_options): Enable -fweb and -frename-registers when
2133 unrolling.
2134 * doc/invoke.texi: Update the information about when -fweb and
2135 -frename-registers are enabled.
2137 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
2139 PR tree-opt/21840
2140 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
2141 if *rhs_p is not a SSA_NAME.
2143 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
2145 Fix PR tree-optimization/22422
2146 * tree-ssa-structalias.c (struct variable_info): Add flag for
2147 special vars.
2148 (get_varinfo): Now a static function.
2149 (new_varinfo): init has_union and is_special_var to false.
2150 (solution_set_add): Check has_union.
2151 (do_da_constraint): Move temporary variable so it gets reset
2152 properly.
2153 Also check for special variable.
2154 (do_ds_constraint): Ditto.
2155 (do_sd_constraint): Ditto.
2156 (do_structure_copy): Check for special variable.
2157 (find_func_aliases): Ditto.
2158 (init_base_vars): Set special vars properly.
2160 2005-07-13 Jan Hubicka <jh@suse.cz>
2162 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
2163 do unit-at-a-time.
2165 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
2166 (get_expr_operands): Fix thinko wrt flags and subvars.
2168 PR tree-optimize/22379
2169 * tree-inline.c (expand_call_inline): Do not output sorry in early
2170 inlining.
2172 2005-07-12 Dale Johannesen <dalej@apple.com>
2174 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
2176 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
2178 PR bootstrap/21704
2179 * host-linux.h: Include limits.h.
2181 2005-07-12 Dale Johannesen <dalej@apple.com>
2183 * expr.c (compress_float_constant): Add cost check.
2184 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
2186 2005-07-12 Dale Johannesen <dalej@apple.com>
2188 * gcc.target/i386/compress-float-sse.c: New.
2189 * gcc.target/i386/compress-float-sse-pic.c: New.
2190 * gcc.target/i386/compress-float-387.c: New.
2191 * gcc.target/i386/compress-float-387-pic.c: New.
2192 * gcc.dg/compress-float-ppc.c: New.
2193 * gcc.dg/compress-float-ppc-pic.c: New.
2195 2005-07-12 Eric Christopher <echristo@redhat.com>
2197 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2198 static extra parts.
2199 * config/s390/s390.md: Include tpf.md. Move tpf specific
2200 patterns...
2201 * config/s390/tpf.md: To here.
2202 * config/s390/s390.opt: Move tpf specific options...
2203 * config/s390/tpf.opt: to here. Add mmain option.
2204 * config/s390/tpf-unwind.h: Remove unnecessary defines.
2205 * config/s390/tpf.h: Rewrite.
2207 2005-07-12 Eric Christopher <echristo@redhat.com>
2209 * gcc.c (struct infile): Update comment for language.
2210 (main): Rewrite input file resetting code.
2212 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
2214 PR tree-opt/22335
2215 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
2216 requiring a cast in a non RHS of modify_expr. Add a cast when required.
2217 (lookup_avail_expr): Use constant_boolean_node instead
2218 of boolean_false_node/boolean_true_node.
2220 2005-07-12 Ben Elliston <bje@au.ibm.com>
2222 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
2223 and use it when printing num_edges.
2225 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
2227 * doc/extend.texi (Blackfin Built-in Functions): New section.
2228 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
2229 @opindex.
2231 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
2233 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
2234 s/cmpstrsi/cmpstrnsi
2235 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
2236 'cmpstrnsi'.
2237 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
2238 (init_optabs): Initialize cmpstrn_optab.
2239 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
2240 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
2241 * expr.c: (enum insn_code cmpstrn_optab): Declare.
2242 * config/i386/i386.md: s/cmpstr/cmpstrn
2243 * config/c4x/c4x.md: s/cmpstr/cmpstrn
2244 * doc/md.texi: Update documentation.
2246 2005-07-11 Richard Henderson <rth@redhat.com>
2248 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
2249 build_va_arg_indirect_ref.
2250 (alpha_gimplify_va_arg): Likewise.
2251 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2252 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2253 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
2254 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2255 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2256 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
2257 Likewise.
2258 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2260 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
2262 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
2263 * passes.c (init_optimization_passes): Add pass_empty_loop.
2264 * tree-pass.h (pass_empty_loop): Declare.
2265 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
2266 try_remove_empty_loop, remove_empty_loops): New functions.
2267 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
2268 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
2270 2005-07-12 Peter Barada <peter@the-baradas.com>
2272 PR middle-end/16719
2273 PR middle-end/18421
2274 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
2275 in address registers.
2276 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
2277 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
2278 alternative of addsi3_5200.
2280 2005-07-11 Ian Lance Taylor <ian@airs.com>
2282 * config/mips/mips.md (ffs<mode>2): Remove.
2284 2005-07-11 Ian Lance Taylor <ian@airs.com>
2286 * doc/tree-ssa.texi (Cleanups): Improve description of
2287 TRY_FINALLY_EXPR.
2288 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
2290 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
2292 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
2293 * tree.h (DECL_ARGUMENT_FLD): New macro.
2295 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
2297 Fix PR tree-optimization/22404
2299 * tree-ssa-structalias.c (create_variable_info_for): Use
2300 correct offset.
2302 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
2304 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
2305 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
2306 for second comparison operand.
2307 * config/bfin/predicates.md (reg_or_const_int_operand): New.
2309 * config/bfin/bfin.md (define_attr "type"): Add "sync".
2310 (define_insn_reservation "alu"): Likewise.
2311 (csync, ssync): Now of type sync.
2312 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
2313 -mcsync-anomaly -mspecld-anomaly.
2314 * config/bfin/bfin.opt (mcsync): Remove.
2315 (mcsync-anomaly, mspecld-anomaly): Add.
2316 * config/bfin/bfin.c: Include "insn-codes.h".
2317 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
2318 (TARGET_DEFAULT_TARGET_FLAGS): New.
2319 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
2321 2005-07-11 Steven Bosscher <stevenb@suse.de>
2323 * basic-block.h: Give the BB flags enum a name, bb_flags.
2324 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
2325 * cfgcleanup.c (enum bb_flags): Remove here.
2326 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
2327 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
2328 (update_forwarder_flag): Likewise.
2329 (thread_jump): Likewise.
2330 (try_forward_edges): Likewise.
2331 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
2332 forwarder flags. Don't clear bb->aux for all basic blocks. Only
2333 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
2335 2005-07-11 Richard Guenther <rguenther@suse.de>
2337 * config/i386/i386.opt: New target option -msseregparm.
2338 * config/i386/i386.c (override_options): Error out for
2339 -msseregparm but no SSE support.
2340 (ix86_function_sseregparm): Check for global sseregparm.
2341 * doc/invoke.texi: Document -msseregparm.
2343 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2345 * config.gcc (m32r-*-linux*): Use the default extra_parts.
2346 (m32rle-*-linux*): Ditto.
2348 2005-07-11 Jakub Jelinek <jakub@redhat.com>
2350 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
2351 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
2352 bytes.
2354 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2356 PR middle-end/22239
2357 PR target/20126
2358 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
2359 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
2361 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
2363 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
2364 (varmap): Heapify varmap.
2365 (constraints): Heapify constraints.
2366 (struct constraint_graph): Heapify succs and preds.
2367 (constraint_vec_find): Update for heapification.
2368 (constraint_set_union): Ditto.
2369 (insert_into_complex): Ditto.
2370 (constraint_edge_vec_find): Ditto.
2371 (erase_graph_self_edge): Ditto.
2372 (add_graph_edge): Ditto.
2373 (get_graph_weights): Ditto.
2374 (merge_graph_nodes): Ditto.
2375 (build_constraint_graph): Ditto.
2376 (topo_visit): Ditto.
2377 (solve_graph): Ditto.
2378 (create_variable_info_for): Ditto.
2379 (init_base_vars): Ditto.
2380 (delete_points_to_sets): Free graph, varmap, and complex constraints.
2381 (condese_varmap_nodes): Free complex vector.
2382 (clear_edges_for_node): Clear succs and preds vector.
2384 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
2386 * tree-ssa-structalias.c (update_alias_info): Change counting of
2387 references to not include vdefs.
2389 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
2391 * tree-ssa-alias.c (free_used_part_map): Add missing free.
2392 (up_insert): Ditto.
2394 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2396 * pa.c (pa_commutative_p): Make PLUS commutative when
2397 TARGET_NO_SPACE_REGS is true.
2399 2005-07-09 Diego Novillo <dnovillo@redhat.com>
2401 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2402 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2403 * tree-dfa.c (dump_subvars_for): New.
2404 (debug_subvars_for): New.
2405 (dump_variable): Show subvariables if VAR has them.
2406 * tree-flow-inline.h (get_subvar_at): New.
2407 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2408 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2409 Update all users.
2410 (struct subvar): Change fields offset and size to unsigned
2411 HOST_WIDE_INT.
2412 (dump_subvars_for): Declare.
2413 (debug_subvars_for): Declare.
2414 (get_subvar_at): Declare.
2415 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2416 to unsigned HOST_WIDE_INT *.
2417 (overlap_subvar): Likewise.
2418 * tree-gimple.c (is_gimple_reg): Always return false for
2419 SFTs and memory tags.
2420 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2421 Update all callers.
2422 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2423 (compute_may_aliases): Call compute_points_to_sets.
2424 (collect_points_to_info_for): Remove.
2425 (compute_points_to_and_addr_escape): Remove.
2426 (delete_alias_info): Call delete_points_to_sets.
2427 (compute_flow_sensitive_aliasing): If the call to
2428 find_what_p_points_to returns false, call set_pt_anything.
2429 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2430 (set_pt_anything): Clear pi->pt_vars.
2431 (set_pt_malloc): Remove.
2432 (merge_pointed_to_info): Remove.
2433 (add_pointed_to_expr): Remove.
2434 (add_pointed_to_var): Remove.
2435 (collect_points_to_info_r): Remove.
2436 (is_escape_site): Make extern.
2437 (create_sft): New.
2438 (create_overlap_variables_for): Call it.
2439 * tree-ssa-copy.c (merge_alias_info): Never merge
2440 flow-sensitive alias information.
2441 * tree-ssa-operands.c (get_expr_operands): Adjust variables
2442 offset and size to be unsigned HOST_WIDE_INT.
2443 (add_to_addressable_set): Rename from note_addressable.
2444 Set TREE_ADDRESSABLE as the variables are added to the set.
2445 Update all users.
2446 (add_stmt_operand): Do not try to micro-optimize unmodifiable
2447 operands into VUSEs when adding V_MAY_DEFs for members in an
2448 alias set.
2449 * tree-ssa-operands.h (add_to_addressable_set): Declare.
2450 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2451 (struct variable_info): Add bitfield is_heap_var.
2452 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2453 (new_var_info): Initialize is_heap_var.
2454 (get_constraint_for): Add HEAP variables to the symbol table.
2455 Mark them with is_heap_var.
2456 (update_alias_info): New. Taken mostly from the old
2457 compute_points_to_and_addr_escape.
2458 (handle_ptr_arith): New.
2459 (find_func_aliases): Call update_alias_info.
2460 Call handle_ptr_info for tcc_binary expressions.
2461 Call mark_stmt_modified.
2462 (create_variable_info_for): If DECL has subvars, do not create
2463 variables for its subvars. Always add all the fields.
2464 (set_uids_in_ptset): If the solution includes ANYOFFSET and
2465 SFTs, then add all the SFTs of the structure.
2466 If VI->DECL is an aggregate with subvariables, add the SFT at
2467 VI->OFFSET.
2468 (find_what_p_points_to): If VI is an artificial variable,
2469 translate to bitfields in SSA_NAME_PTR_INFO.
2470 If the solution is empty, set pi->pt_vars to NULL
2471 (init_base_vars): Create ANYOFFSET.
2472 (compute_points_to_sets): Rename from create_alias_vars.
2473 Make extern.
2474 (pass_build_pta): Remove.
2475 (delete_points_to_sets): Rename from delete_alias_vars.
2476 (pass_del_pta): Remove.
2477 * tree-ssa-structalias.h (struct alias_info): Move from
2478 tree-ssa-alias.h.
2479 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2480 NUM_REFERENCES_SET): Likewise.
2481 (compute_points_to_sets, delete_points_to_sets): Declare.
2483 2005-07-09 Richard Henderson <rth@redhat.com>
2485 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2486 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2487 alpha_split_lock_test_and_set_12): New functions.
2488 * config/alpha/alpha-protos.h: Update.
2489 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2490 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2491 * config/alpha/sync.md (I12MODE): New.
2492 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2493 (sync_<fetchop_name><I48MODE>): Likewise.
2494 (sync_nand<I48MODE>): Likewise.
2495 (sync_old_<fetchop_name><I48MODE>): Likewise.
2496 (sync_new_<fetchop_name><I48MODE>): Likewise.
2497 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2498 (sync_compare_and_swap<I48MODE>): Likewise.
2499 (sync_lock_test_and_set<I48MODE>): Likewise.
2500 (sync_compare_and_swap<I12MODE>): New.
2501 (sync_compare_and_swap<I12MODE>_1): New.
2502 (sync_lock_test_and_set<I12MODE>): New.
2503 (sync_lock_test_and_set<I12MODE>_1): New.
2505 2005-07-09 Diego Novillo <dnovillo@redhat.com>
2507 PR 21356
2508 PR 22332
2509 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2511 2005-07-09 Jakub Jelinek <jakub@redhat.com>
2513 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2514 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2516 2005-07-09 Richard SAndiford <richard@codesourcery.com>
2518 PR target/21656
2519 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2521 2005-07-08 David Edelsohn <edelsohn@gnu.org>
2523 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2524 memory_operand constraint.
2525 (store_conditional_<mode>): Same.
2526 (sync_compare_and_swap<mode>): Same.
2527 (sync_lock_test_and_set<mode>): Same.
2529 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
2531 Rewrite PIC support to more closely model actual instructions.
2532 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2533 (cris_symbol): Remove prototypes for removed functions.
2534 (cris_pic_symbol_type_of, cris_valid_pic_const)
2535 (cris_expand_pic_call_address): Prototypes for new functions.
2536 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2537 variable.
2538 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2539 modifiers.
2540 <case ':'>: Add case for new punctuation character.
2541 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2542 emitting (extra) PIC modifier.
2543 <case UNSPEC>: Do not assert for PLT.
2544 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2545 (cris_expand_prologue, cris_expand_epilogue): Check
2546 for pic_offset_table_rtx usage instead of taking
2547 current_function_uses_pic_offset_table as the final word.
2548 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2549 Remove flag_pic difference.
2550 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2551 the moral equivalents of...
2552 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2553 functions.
2554 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2555 (cris_handle_option): Mark ARG as unused.
2556 (cris_expand_pic_call_address): New worker function for "call",
2557 "call_value".
2558 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2559 output PIC constructs here.
2560 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2561 as symbol-specific modifers, not whole or part of operands.
2562 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2563 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2564 constants and flag_pic.
2565 (CONSTANT_INDEX_P): Adjust for new functions.
2566 (enum cris_pic_symbol_type): New helper type.
2567 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2568 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2569 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2570 define_constants.
2571 ("movsi"): Emit actual instructions for GOT and relative access.
2572 ("*movsi_got_load"): New pattern to set up the register holding
2573 the GOT pointer.
2574 ("*movsi_internal"): Operand 1 is not a plain general_operand.
2575 Adjust FIXME for 'S'.
2576 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2577 Use "movs" for -fpic cases.
2578 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2579 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2580 ("call", "call_value"): Just call cris_expand_pic_call_address for
2581 PIC addresses.
2582 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2583 Remove special pattern.
2584 ("*expanded_call_side", "*expanded_call_value_side"): New
2585 patterns.
2586 (gotplt-to-plt, gotplt-to-plt-side-call)
2587 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2588 peephole2:s.
2589 * config/cris/cris/predicates.md
2590 ("cris_general_operand_or_gotless_symbol"): Remove unused
2591 predicate.
2592 ("cris_general_operand_or_symbol"): Adjust for new functions.
2594 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2596 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2598 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
2600 * Makefile.in (TREE_H): Add treestruct.def.
2601 (c-decl.o): Add pointer-set.h
2602 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2603 visibility on regular DECL's.
2604 (merge_decls): Fix the copying of decl nodes of various types for
2605 the new structures. Don't update RTL, section name, weak status,
2606 etc, on DECL's without RTL.
2607 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2608 Don't check volatile on non-variable types.
2609 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2610 to check whether we have seen arguments.
2611 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2612 flag is checked before field (flag is common, field is not).
2613 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
2614 TS_DECL_COMMON could have an origin.
2615 (add_location_or_const_value_attribute): Don't check section name
2616 on non-var/function decls.
2617 (dwarf2out_var_location): Reverse order of tests.
2618 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2619 with DECL_WRTL_CHECK.
2620 * expmed.c (make_tree): rtl is now in decl_with_rtl.
2621 * fold-const.c (fold_binary): Don't check weakness on
2622 non-var/function decls.
2623 (tree_expr_nonzero_p): Ditto.
2624 (fold_checksum_tree): Use tree_decl_extra as sizeof
2625 buffer.
2626 * ggc-page.c (extra_order_size_table): Add sizes for
2627 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
2628 tree_field_decl.
2629 * gimplify.c (gimplify_bind_expr): Only set
2630 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2631 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2632 without RTL.
2633 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2634 * langhooks.h (init_ts). New langhook.
2635 * passes.c (rest_of_decl_compilation): Reverse order of tests.
2636 * print-tree.c (print_node): Update to only print fields that
2637 exist in the structures the passed decl has.
2638 * toplev.c (wrapup_global_declarations): Don't reset
2639 DECL_DEFER_OUTPUT on DECL's that don't contain it.
2640 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2641 * tree-inline.c (remap_decl): Ditto.
2642 * tree-outof-ssa.c (create_temp): Reverse order of tests.
2643 * tree-pretty-print.c (print_declaration): Don't print
2644 DECL_REGISTER on things that don't contain it.
2645 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2646 non-var/function decls.
2647 * tree.c (tree_contains_struct): New structure.
2648 (init_priority_for_decl): New hashtable.
2649 (tree_int_map): New structure.
2650 (tree_int_map_eq): New function.
2651 (tree_int_map_marked_p): Ditto.
2652 (tree_int_map_hash): Ditto.
2653 (tree_map): Move to tree.h.
2654 (tree_map_eq): Externalize.
2655 (tree_map_hash): Ditto.
2656 (tree_map_marked_p): Ditto.
2657 (init_ttree): Set up tree_contains_struct and call langhook.
2658 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2659 (tree_code_size): Update for new structures.
2660 (tree_node_structure): Update for new structures.
2661 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2662 without the field.
2663 (copy_node_stat): Copy init priority.
2664 (build_decl_stat): Ditto for visibility.
2665 (ts_enum_names): New.
2666 (tree_contains_struct_check_failed): New function.
2667 (decl_init_priority_lookup): Ditto.
2668 (decl_init_priority_insert): Ditto.
2669 * treestruct.def: New file.
2670 * tree.h (CODE_CONTAINS_STRUCT): New macro.
2671 (CONTAINS_STRUCT_CHECK): Ditto.
2672 (tree_contains_struct_check_failed): New prototype.
2673 (DECL_CHECK): Removed.
2674 (DECL_MINIMAL_CHECK): New.
2675 (DECL_COMMON_CHECK): Ditto.
2676 (DECL_WRTL_CHECK): Ditto.
2677 (DECL_NON_COMMON_CHECK): Ditto.
2678 (DECL_WITH_VIS_CHECK): Ditto.
2679 (VAR_OR_FUNCTION_DECL_P): Ditto
2680 (struct tree_decl_minimal): New structure.
2681 (struct tree_decl_common): Ditto.
2682 (struct tree_decl_with_rtl): Ditto.
2683 (struct tree_decl_with_vis): Ditto.
2684 (struct tree_decl_non_common): Ditto.
2685 (struct tree_field_decl): Ditto.
2686 (struct tree_parm_decl): Ditto.
2687 (struct tree_var_decl): Ditto.
2688 (struct tree_function_decl): Ditto.
2689 (struct tree_const_decl): Ditto.
2690 (struct tree_result_decl): Ditto.
2691 (union tree_node): Add new structures.
2692 * var-tracking.c (track_expr_p): Reverse order of tests.
2694 * doc/c-tree.texi: Add documentation on DECL node internal structure.
2696 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
2698 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2699 * system.h: Poison FINALIZE_PIC.
2700 * doc/tm.texi (FINALIZE_PIC): Remove.
2702 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2704 PR tree-opt/22329
2705 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2706 to the correct type if we have a MODIFY_EXPR.
2708 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
2710 PR tree-optimization/22360
2711 * tree.c (upper_bound_in_type): Fix calculations for casting
2712 to a non-wider signed type and casting a signed value to a
2713 wider unsigned type.
2714 (lower_bound_in_type): Fix calculations for casting to a
2715 non-wider signed type.
2717 PR tree-optimization/20139
2718 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2719 release_defs.
2720 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2721 fold_cond_expr_cond.
2722 * tree-ssanames.c (release_defs): Assert in_ssa_p.
2723 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2725 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
2727 PR tree-opt/22356
2728 * tree-complex.c (expand_complex_libcall): Produce
2729 REALPART_EXPR/IMAGPART_EXPR with the correct type.
2731 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
2733 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2734 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2735 b" assert and inserted fastpath code for this case.
2736 (bitmap_ior): Removed "a != b" assert.
2738 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2740 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2741 (ENDFILE_SPEC): Likewise.
2742 * config/m32r/m32r.h (ASM_SPEC): Likewise.
2744 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2745 a large stack frame at epilogue.
2747 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
2749 * final.c: Include sdbout.h when required.
2751 2005-07-07 Geoffrey Keating <geoffk@apple.com>
2753 * config.gcc (*-*-darwin*): Only one target-specific header file
2754 for generic darwin.
2755 (powerpc-*-darwin*): Add version-specific header files.
2756 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2757 * config.in: Regenerate.
2758 * configure: Regenerate.
2759 * gcc.c: Include xregex.h.
2760 (version_compare_spec_function): New.
2761 (spec_function): Add version-compare.
2762 (replace_outfile_spec_function): Reformat comment.
2763 (compare_version_strings): New.
2764 * config/darwin-c.c (version_as_macro): New.
2765 (builtin_define): New.
2766 (darwin_cpp_builtins): New.
2767 * config/darwin-protos.h (darwin_cpp_builtins): New.
2768 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2769 (LIB_SPEC): Make unconditional, update comment.
2770 (TARGET_C99_FUNCTIONS): Define.
2771 * config/darwin.opt: Sort.
2772 (mmacosx-version-min=): New.
2773 * config/darwin7.h: Delete.
2774 * config/darwin8.h: Delete.
2775 * config/i386/darwin.h (): Call darwin_cpp_builtins.
2776 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2777 (TARGET_C99_FUNCTIONS): Define.
2778 * config/rs6000/darwin7.h: New.
2779 * config/rs6000/darwin8.h: New.
2780 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2781 (-mmacosx-version-min): Document.
2783 2005-07-07 Ian Lance Taylor <ian@airs.com>
2785 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2787 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
2789 PR middle-end/22239
2790 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2792 2005-07-07 Khem Raj <kraj@mvista.com>
2794 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2795 in bytes, not words.
2797 2005-07-07 Paul Brook <paul@codesourcery.com>
2799 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2800 DEFAULT_FUNCTION_ARG_PADDING to upward.
2802 2005-07-07 Richard Henderson <rth@redhat.com>
2804 * function.c (locate_and_pad_parm): Record parameter alignment in
2805 stack_alignment_needed.
2807 2005-07-07 David Edelsohn <edelsohn@gnu.org>
2809 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2810 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2811 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2812 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2813 (define_attr "type"): Add isync, sync, load_l, store_c.
2814 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2815 Create scratch volatile MEM.
2816 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
2817 sync.
2818 (load_locked_<mode>): New.
2819 (store_conditional_<mode>): New.
2820 (sync_compare_and_swap<mode>): Replace with splitter.
2821 (sync_lock_test_and_set<mode>): Replace with splitter.
2822 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2823 and UNSPECV_ISYNC.
2824 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
2825 is ics. Attribute isync.
2826 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
2827 lwsync.
2828 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2829 and UNSPECV_SYNC_OP.
2830 (emit_unlikely_jump): New.
2831 (emit_load_locked): New.
2832 (emit_store_conditional): New.
2833 (rs6000_split_compare_and_swap): New.
2834 (rs6000_split_lock_test_and_set): New.
2835 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2836 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2837 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2838 rs6000_split_lock_test_and_set): Declare.
2839 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2840 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2841 store_c, isync, sync.
2843 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
2845 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2846 filenames to gtyp-gen.h.
2847 (s-typ-gen): Use it in place of for loops.
2849 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
2851 * hooks.c (hook_bool_rtx_int_false): New function.
2852 * hooks.h (hook_bool_rtx_int_false): Declare.
2853 * target-def.h (TARGET_COMMUTATIVE_P): Define.
2854 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2855 * target.h (struct gcc_target): Add commutative_p member.
2856 * targhooks.c (hook_bool_rtx_commutative_p): New function.
2857 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2858 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2859 (pa_commutative_p): New function.
2860 * jump.c (target.h): Include.
2861 (rtx_renumbered_equal_p): Use targetm.commutative_p.
2862 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2864 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2866 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2867 (s390_expand_setmem): New.
2868 * config/s390/s390.c: Likewise.
2869 (print_shift_count_operand): Truncate to 12 bits instead of 6.
2870 Adapt comments.
2871 * config/s390/s390.md: ("setmem<mode>"): Accept character as
2872 general_operand. Call new function "s390_expand_setmem".
2873 ("clrmem_long", "*clrmem_long"): Rewrite to ...
2874 ("setmem_long", "*setmem_long"): ... this.
2876 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2878 * config/s390/s390.c: (optimization_options): Enable
2879 TARGET_MVCLE at -Os.
2880 * doc/invoke.texi: Document changes in default behaviour.
2881 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2883 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
2885 * expr.c: (set_storage_via_setmem): Convert opchar to mode
2886 defined by back-end.
2888 2005-07-07 Jakub Jelinek <jakub@redhat.com>
2890 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2891 all sets in the pattern.
2892 * config/rs6000/rs6000.md (stack_protect_testsi,
2893 stack_protect_testdi): Likewise.
2895 2005-07-06 Jeff Law <law@redhat.com>
2897 * tree-vrp.c (simplify_using_ranges): Kill.
2898 (vrp_finalize): Remove call to simplify_using_ranges.
2899 (simplify_stmt_using_ranges): New function extracted from
2900 simplify_using_ranges.
2901 (simplify_div_or_mod_using_ranges): Likewise.
2902 (simplify_abs_using_ranges): Likewise.
2903 (simplify_cond_using_ranges): New function.
2904 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2905 * tree-ssa-propagate.c (substitute_and_fold): Call
2906 simplify_stmt_using_ranges if we have range information.
2908 2005-07-06 James E. Wilson <wilson@specifixinc.com>
2910 * config/ia64/ia64.c (ia64_reorg): Check optimize before
2911 ia64_flag_schedule_isns2.
2913 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2914 reading/writing general registers.
2915 (ia64_function_arg): Revert 2005-06-18 change.
2917 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
2919 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2920 (legitimize_tls_address): Use gcc_unreachable instead of abort.
2922 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
2924 * function.c (expand_function_end): Revert part of 2005-06-27
2925 patch. Do sjlj_emit_function_exit_after after return_label.
2927 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
2929 * doc/install.texi (--disable-libssp): New.
2931 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
2933 * doc/invoke.texi: Update -fforce-mem documentation.
2934 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
2935 code for -fforce-mem.
2936 * expmed.c: (store_bit_field,store_fixed_bit_field,
2937 extract_bit_field): Ditto.
2938 * expr.c: (convert_move): Ditto.
2939 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2940 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2941 emit_conditional_add,expand_float,expand_fix): Ditto.
2942 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2943 (common_handle_option): Issue warning when -fforce-mem specified.
2945 2005-07-06 Paul Brook <paul@codesourcery.com>
2947 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2948 argument is empty.
2949 * configure: Regenerate.
2951 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
2953 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2955 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
2957 Fix PR tree-optimization/22319
2958 Fix PR tree-optimization/22140
2959 Fix PR tree-optimization/22310
2961 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2962 variable sized types.
2963 Use correct type for intermediate structure on *a = *b structure
2964 copies.
2966 2005-07-06 Jakub Jelinek <jakub@redhat.com>
2968 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2969 Remove.
2970 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2971 (machine_function): Move typedef to...
2972 * config/rs6000/rs6000.c (machine_function): ... here. Add
2973 varargs_save_offset field.
2974 (rs6000_stack_t): Remove varargs_size field.
2975 (setup_incoming_varargs): Allocate varargs save area using
2976 assign_stack_local, try to make it as small as possible.
2977 Save offset from virtual_stack_vars_rtx to the save area
2978 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
2979 instead of magic 8 when fp word byte size is used.
2980 (rs6000_va_start): Use cfun->machine->varargs_save_offset
2981 instead of -RS6000_VARARGS_SIZE.
2982 (rs6000_stack_info, debug_stack_info,
2983 rs6000_initial_elimination_offset): Remove all traces of
2984 varargs_size.
2985 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2986 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2987 RS6000_VARARGS_AREA.
2989 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2991 PR tree-optimization/21963
2992 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2993 constant_multiple_of in the same way get_computation_cost_at does.
2995 2005-07-06 Jakub Jelinek <jakub@redhat.com>
2997 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2998 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2999 (gen_compare_reg): If sparc_compare_emitted is set, clear it
3000 and return its previous value.
3001 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
3002 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
3003 constants.
3004 (stack_protect_set, stack_protect_test): New expanders.
3005 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
3006 stack_protect_testdi): New insns.
3007 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3008 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
3010 2005-07-06 Jeff Law <law@redhat.com>
3012 * tree-ssa-dce.c (cfg_altered): New global.
3013 (tree_dce_init): Initialize cfg_altered.
3014 (remove_dead_stmt): If we remove an edge in the CFG, then set
3015 CFG_ALTERED.
3016 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
3017 the dominators.
3019 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
3021 * Makefile.in (stamp-collect-ld): Use
3022 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
3023 ./collect-ld if it already exists.
3024 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
3025 Don't remove ./nm if it already exists.
3027 2005-07-05 Devang Patel <dpatel@apple.com>
3029 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
3030 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
3031 * tree-vectorizer.c (vect_loop_location): New.
3032 (vect_print_dump_info): Use vect_loop_location.
3033 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
3034 (vectorize_loops): Set vect_loop_location.
3035 * tree-vect-analyze.c (vect_analyze_offset_expr,
3036 vect_determin_vectorization_factor, vect_analyze_operations,
3037 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
3038 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
3039 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
3040 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
3041 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
3042 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
3043 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
3044 vect_analyze_loop): Adjust vect_print_dump_info API.
3045 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3046 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
3047 vect_finish_stmt_generation, vectorizable_assignment,
3048 vectorizable_operation, vectorizable_store, vectorizable_load,
3049 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
3050 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3051 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
3052 vect_transform_loop): Same.
3053 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
3054 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
3055 Same.
3057 2005-07-05 Randolph Chung <tausq@debian.org>
3059 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
3060 * configure: Regenerate.
3061 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
3062 (pa_tls_referenced_p): Declare.
3063 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
3064 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
3065 (legitimize_tls_address): New.
3066 (hppa_legitimize_address): Handle TLS addresses.
3067 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
3068 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3069 (emit_move_sequence): Handle TLS addresses.
3070 (pa_encode_section_info): Call default handler to handle common
3071 sections.
3072 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
3073 (CONSTANT_ADDRESS_P): Reject TLS operands.
3074 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
3075 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
3076 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
3077 (UNSPEC_TLSLE): Define new constants.
3078 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
3079 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
3080 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
3081 (tie_symbolic_operand, tle_symbolic_operand): New
3083 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
3085 * aclocal.m4: Update macros for autoconf 2.59 style.
3086 * configure.ac: Likewise.
3088 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3090 * pa.c (function_value): Handle small aggregates on 32-bit targets.
3091 (function_arg): Pass small aggregates in general registers on 32-bit
3092 targets.
3093 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
3095 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
3097 * Makefile.in (final.o): Fix dependencies.
3099 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
3101 PR c/22013
3102 PR c/22098
3103 * langhooks.h (struct lang_hooks): Add expr_to_decl.
3104 * langhooks.c (lhd_expr_to_decl): New.
3105 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
3106 New.
3107 (LANG_HOOKS_INITIALIZER): Update.
3108 * tree.c (recompute_tree_invarant_for_addr_expr): Call
3109 expr_to_decl langhook.
3110 * c-tree.h (c_expr_to_decl): Declare.
3111 * c-typeck.c (c_expr_to_decl): New.
3112 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
3113 specially.
3114 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
3116 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
3118 PR c/22308
3119 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
3120 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
3122 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
3124 * Makefile.in: Adjust dependencies.
3125 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
3126 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
3127 * alias.c (rest_of_handle_cfg, pass_cfg): New.
3128 * bb-reorder.c (duplicate_computed_gotos): Make it static.
3129 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
3130 rest_of_compilation.
3132 * bb-reorder.c (gate_duplicate_computed_gotos,
3133 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
3134 rest_of_handle_reorder_blocks, pass_reorder_blocks,
3135 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
3136 pass_partition_blocks): New.
3137 * bt-load.c (gate_handle_branch_target_load_optimize,
3138 rest_of_handle_branch_target_load_optimize,
3139 pass_branch_target_load_optimize): New.
3140 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
3141 pass_jump2): New.
3142 * cfglayout.c (pass_insn_locators_initialize): New.
3143 * cfgrtl.c (pass_free_cfg): New.
3144 * combine.c (gate_handle_combine, rest_of_handle_combine,
3145 pass_combine): New.
3146 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
3147 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
3148 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
3149 * except.c (pass_set_nothrow_function_flags,
3150 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
3151 pass_rtl_eh): New.
3152 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
3153 rest_of_handle_shorten_branches, pass_shorten_branches,
3154 rest_of_clean_state, pass_clean_state): New.
3155 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
3156 rest_of_handle_remove_death_notes, pass_remove_death_notes,
3157 rest_of_handle_life, pass_life, rest_of_handle_flow2,
3158 pass_flow2): New.
3159 * function.c (pass_instantiate_virtual_regs, pass_init_function,
3160 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
3161 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3162 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
3163 pass_gcse): New.
3164 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
3165 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
3166 pass_rtl_ifcvt, gate_handle_if_after_combine,
3167 rest_of_handle_if_after_combine, pass_if_after_combine,
3168 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
3169 pass_if_after_reload): New.
3170 * integrate.c (pass_initial_value_sets): New.
3171 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
3172 pass_purge_lineno_notes): New.
3173 * mode-switching.c (rest_of_handle_mode_switching,
3174 pass_mode_switching): New.
3175 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
3176 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
3177 pass_loop2): New.
3178 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
3179 pass_loop_optimize): New.
3180 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
3181 pass_sms): New.
3182 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
3183 pass_gcse2): New.
3184 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
3185 pass_postreload_cse): New.
3186 * profile.c (gate_handle_profiling, pass_profiling,
3187 rest_of_handle_branch_prob, pass_branch_prob): New.
3188 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
3189 pass_split_before_regstack, gate_handle_split_before_regstack,
3190 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
3191 rest_of_handle_split_all_insns, pass_split_all_insns): New.
3192 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
3193 pass_stack_regs): New.
3194 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
3195 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
3196 pass_stack_adjustments): New.
3197 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
3198 pass_regrename): New.
3199 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
3200 pass_delay_slots, gate_handle_machine_reorg,
3201 rest_of_handle_machine_reorg, pass_machine_reorg): New.
3202 * rtl.h (extern void purge_line_number_notes): New.
3203 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
3204 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
3205 pass_sched2): New.
3206 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
3207 pass_tracer): New.
3208 * value-prof.c (gate_handle_value_profile_transformations,
3209 rest_of_handle_value_profile_transformations,
3210 pass_value_profile_transformations): New.
3211 * var-tracking.c (gate_handle_var_tracking,
3212 pass_variable_tracking): New.
3213 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
3215 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
3216 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
3217 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
3218 rest_of_handle_old_regalloc, rest_of_handle_regrename,
3219 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
3220 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
3221 rest_of_handle_gcse2, rest_of_handle_regmove,
3222 rest_of_handle_tracer, rest_of_handle_if_conversion,
3223 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
3224 rest_of_handle_web, rest_of_handle_branch_prob,
3225 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
3226 rest_of_handle_jump_bypass, rest_of_handle_combine,
3227 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3228 rest_of_handle_gcse, rest_of_handle_loop_optimize,
3229 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
3230 rest_of_handle_mode_switching, rest_of_handle_jump,
3231 rest_of_handle_eh, rest_of_handle_stack_adjustments,
3232 rest_of_handle_flow2, rest_of_handle_jump2,
3233 rest_of_handle_peephole2, rest_of_handle_postreload,
3234 rest_of_handle_shorten_branches, rest_of_clean_state,
3235 rest_of_compilation): Remove.
3237 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
3238 * passes.c (dump_flags, in_gimple_form, all_passes,
3239 all_ipa_passes, all_lowering_passes, register_one_dump_file,
3240 register_dump_files, next_pass_1, last_verified, execute_todo,
3241 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
3242 from tree-optimize.c.
3243 (init_optimization_passes): Moved from tree-optimize.c,
3244 adding the RTL optimizations.
3245 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
3246 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
3247 all_ipa_passes, all_lowering_passes, register_one_dump_file,
3248 register_dump_files, next_pass_1, last_verified, execute_todo,
3249 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
3250 init_tree_optimization_passes, ipa_passes): Delete.
3251 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
3252 the RTL dumps.
3253 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
3254 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
3255 from tree.h.
3256 (ipa_passes): Remove.
3257 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
3258 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
3259 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
3260 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
3261 (dump_info_p, dump_flag): Moved to tree-dump.h.
3263 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
3264 cgraph.c, opts.c.
3265 * passes.c (finish_optimization_passes): Use dump_begin
3266 and dump_end, TDI_end.
3267 (gate_rest_of_compilation): New.
3268 (pass_rest_of_compilation): Use it.
3269 (gate_postreload, pass_postreload): New.
3270 * toplev.c (general_init): Rename init_tree_optimization_passes.
3271 * toplev.h (init_tree_optimization_passes): Rename to
3272 init_optimizations_passes.
3273 * tree-dump.c (dump_flag): Make static.
3274 (dump_files): Remove RTL dumps.
3275 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3276 pass_cleanup_cfg, pass_free_cfg_annotations,
3277 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3278 pass_init_datastructures, pass_fixup_cfg): Make non-static.
3279 * tree-pretty-print.c: Include tree-pass.h.
3280 * cgraph.c: Include tree-dump.h.
3282 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
3284 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
3285 Only fall back to saying it points to readonly memory if
3286 we can't do better.
3288 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3290 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
3291 * config/m32r/m32r.c (m32r_compute_frame_size,
3292 m32r_expand_prologue): Take current_function_profile into
3293 account whenever we reference
3294 current_function_uses_pic_offset_table.
3295 (m32r_finalize_pic): Remove.
3296 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
3298 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
3300 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
3301 instead of $<. Don't remove ./as if it already exists.
3303 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3305 PR target/21723
3306 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
3307 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
3308 for complex modes when generating code for PA 1.0.
3309 (VALID_FP_MODE_P): New macro.
3310 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
3311 sets for all general and floating point modes. Align wide floating
3312 point modes to even register boundaries to comply with architectural
3313 requirements.
3314 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
3315 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
3316 (VALID_FP_MODE_P): New macro.
3317 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
3318 sets for all general and floating point modes. Align wide floating
3319 point modes to even register boundaries to comply with architectural
3320 requirements.
3322 2005-07-04 Diego Novillo <dnovillo@redhat.com>
3324 * tree-dump.c (dump_files): Initialize dump number for .cgraph
3325 to 0.
3327 2005-07-04 Diego Novillo <dnovillo@redhat.com>
3329 * tree-ssa-structalias.c: Don't include expr.h.
3331 2005-07-04 Diego Novillo <dnovillo@redhat.com>
3333 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
3334 comments.
3336 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
3338 Fix PR tree-optimization/22279
3340 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
3341 correct operator.
3343 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
3345 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
3347 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
3349 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
3350 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
3351 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
3352 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
3353 config/stormy16/stormy16.c, config/v850/v850.c,
3354 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
3355 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
3356 Avoid "." or "\n" at end of diagnostics and capital letters at
3357 start of diagnostics.
3358 * combine.c, cse.c: Don't translate dump file output.
3359 * toplev.c (print_version): Only translate output if going to
3360 stderr.
3362 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
3364 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
3365 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
3366 typos.
3368 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3370 * pa.c (fix_range): Fix typo in comment.
3372 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
3374 * tree-vrp.c (extract_range_from_assert): Replace
3375 fold (build (...)) with fold_build2.
3377 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3379 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
3380 gcc_gfc_char_table, init_dynamic_gfc_info): New.
3381 (format_types_orig, handle_format_attribute): Add support for
3382 format "gcc_gfc".
3384 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
3386 * varasm.c (assemble_variable): Fix format specifier thinko.
3388 2005-07-03 Ira Rosen <irar@il.ibm.com>
3390 PR tree-optimization/22029 (and 22135)
3391 * tree-pretty-print.c (dump_generic_node): Check that the node is not
3392 a phi node before calling dump_vops.
3394 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
3396 * tree-dump.h (dump_string_field): Declare.
3397 * tree-dump.c: Use it instead of dump_string.
3398 (dump_string_field): Make non-static.
3400 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
3402 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3403 up the minimal CFG stuff always when optimize > 0. Call
3404 split_all_insns_noflow in PIC case if needed.
3406 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
3407 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3409 PR c++/18279
3410 * c-decl.c (c_write_global_declarations): Dump contents of
3411 external scope to.
3412 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3413 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3414 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3415 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3416 is enabled.
3418 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
3420 * c-common.h (GCC_DIAG_STYLE): Define.
3421 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
3422 version for format checking to 4.1.
3423 * c-format.c: Include toplev.h after c-common.h.
3424 (enum format_type): Add gcc_tdiag_format_type.
3425 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3426 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3427 (format_types_orig): Add gcc_tdiag.
3428 (init_dynamic_diag_info): Support gcc_tdiag formats.
3429 (handle_format_attribute): Likewise.
3430 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3431 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
3432 version for format checking to 4.1.
3433 (warning0, warning, error, pedwarn, sorry): Use
3434 ATTRIBUTE_GCC_DIAG.
3435 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3436 (finish_aliases_1): Do not use %qE.
3437 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3438 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3439 Correct format bugs.
3440 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3441 parameter to unsigned HOST_WIDE_INT.
3442 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3444 2005-07-02 David Edelsohn <edelsohn@gnu.org>
3446 PR middle-end/21742
3447 * expr.c (write_complex_part): Use adjust_address for MEM.
3448 (read_complex_part): Same.
3450 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
3452 Fix PR tree-optimization/22280
3454 * tree-sra.c (generate_element_init): Remove useless loop.
3456 2005-07-02 Richard Henderson <rth@redhat.com>
3458 * config/alpha/alpha.c (alpha_legitimize_address): Check for
3459 TLS_MODEL_NONE.
3460 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3462 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
3464 PR middle-end/14490
3465 * fold-const.c (fold_binary): Handle the return value of
3466 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3467 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3469 2005-07-02 Jeff Law <law@redhat.com>
3471 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3472 a eliminate type conversion which feeds an equality comparison
3473 if the original type or either operand in the comparison is a
3474 function pointer.
3476 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
3478 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3479 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3480 texts.
3481 * config/avr/avr.c: Do not use '`' as left quote.
3482 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3483 Remove "." from end of diagnostics. Make diagnostics start with
3484 lowercase letter.
3486 2005-07-02 Zack Weinberg <zack@codesourcery.com>
3487 Joseph S. Myers <joseph@codesourcery.com>
3489 * toplev.c (default_tree_printer): Handle setting location with
3490 '+' flag.
3491 * c-objc.common.c (c_tree_printer): Likewise.
3492 * c-format.c (gcc_diag_flag_specs): Add '+'.
3493 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3494 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3495 formats.
3496 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3497 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3498 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3499 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3500 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3501 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
3502 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
3503 format arguments where %J is used without %D.
3505 2005-07-02 Jakub Jelinek <jakub@redhat.com>
3507 * gcc.c (LINK_SSP_SPEC): Define.
3508 (link_ssp_spec): New variable.
3509 (LINK_COMMAND_SPEC): Add %(link_ssp).
3510 (static_specs): Add link_ssp_spec.
3511 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3512 * configure: Rebuilt.
3513 * config.in: Rebuilt.
3515 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3516 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3517 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3518 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3519 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3520 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3521 -0x7008(2) instead of reading __stack_chk_guard variable.
3522 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3523 number.
3524 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3525 (stack_protect_set, stack_protect_test): Use *_tls* patterns
3526 if TARGET_THREAD_SSP_OFFSET is defined.
3527 (stack_tls_protect_set_si, stack_tls_protect_set_di,
3528 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3530 Revert:
3531 2005-06-27 Richard Henderson <rth@redhat.com>
3532 * libgcc-std.ver (GCC_4.1.0): New.
3533 * libgcc.h (__stack_chk_guard): Declare.
3534 (__stack_chk_fail, __stack_chk_fail_local): Declare.
3535 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3536 * mklibgcc.in (lib2funcs): Add them.
3538 2005-07-01 Richard Henderson <rth@redhat.com>
3540 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3541 void * before struct sigcontext *.
3542 (x86_fallback_frame_state): Likewise.
3544 2005-07-01 James E. Wilson <wilson@specifixinc.com>
3546 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3548 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
3550 PR tree-opt/22269
3551 * tree-ssa-reassoc.c (should_transpose): Fix which operand
3552 we check for SSA_NAME for.
3554 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
3556 Fix PR tree-optimization/22071
3558 * tree-ssa-structalias.c (offset_overlaps_with_access): New
3559 function.
3560 (get_constraint_for_component_ref): Use it.
3562 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
3564 PR other/22264
3565 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3566 print out the last new line.
3568 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
3570 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3571 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3572 * config/cris/cris.c (cris_conditional_register_usage): Adjust
3573 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3574 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3575 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3576 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3577 (enum reg_class): New member CC0_REGS.
3578 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3579 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3580 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3581 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3582 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3583 Adjust for register now described.
3585 2005-07-01 Jakub Jelinek <jakub@redhat.com>
3587 PR target/22262
3588 * config/i386/i386.md (stack_protect_test_si,
3589 stack_protect_test_di): Add earlyclobber for scratch 3.
3590 * config/rs6000/rs6000.md (stack_protect_testsi,
3591 stack_protect_testdi): Add earlyclobber for scratch 3,
3592 remove earlyclobber from scratch 4.
3594 Older entries for 2005 can be found in ChangeLog-2005.