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1 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2             Richard Henderson  <rth@redhat.com>
3
4         * Makefile.in (RTL_BASE_H): Add real.h.
5         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6         instead of memcpy.
7         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8         directly.
9         * rtl.c (rtl_check_failed_code_mode): New.
10         * rtl.h (struct rtx_def): Add u.rv.
11         (XCMWINT, XCNMPRV): New.
12         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
13         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
14
15 2005-08-01  Richard Henderson  <rth@redhat.com>
16
17         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
18         with auto-inc codes.
19
20         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
21
22 2005-08-01  Jan Hubicka  <jh@suse.cz>
23
24         * i386-protos.h (asm_preferred_eh_data_format): Declare.
25         * i386.c: Include dwarf2.h
26         (asm_preferred_eh_data_format): New.
27         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
28
29 2005-08-01  Ian Lance Taylor  <ian@airs.com>
30
31         * config/host-linux.c (linux_gt_pch_get_address): Add new name
32         randomize_va_space for virtual address randomization control.
33
34 2005-08-01  Steven Bosscher  <stevenb@suse.de>
35
36         * common.opt (flag_ipa_cp): Put in right place to maintain
37         alphabetic sort.
38
39 2005-08-01  Jan Hubicka  <jh@suse.cz>
40
41         * profile.c (compute_value_histograms): Fix thinko.
42         * value-prof.c: Include toplev.h
43         (check_counter): New function.
44         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
45         tree_mod_subtract_transform): Add sanity check.
46
47 2005-08-01  Richard Guenther  <rguenther@suse.de>
48
49         PR tree-optimization/23133
50         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
51         current functions parameter decls to find defs to cse
52         reciprocals of.
53
54 2005-08-01  Richard Guenther  <rguenther@suse.de>
55
56         PR tree-optimization/23109
57         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
58         If trapping math is in effect, use post-dominator information
59         to check if we'd in any case reach a trapping point before
60         doing the reciprocal insertion.
61         (execute_cse_reciprocals): Compute post-dominators, if necessary.
62         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
63         expressions are invariant only if trapping math is not in effect.
64
65 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
66
67         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
68         cgraph_function_versioning): New declarations.
69         * cgraphunit.c: Add include to ipa-prop.h.
70         (update_call_expr, cgraph_copy_node_for_versioning,
71         cgraph_function_versioning): New functions.
72         * integrate.c (copy_decl_for_inlining): Remove.
73         * ipa-prop.h (ipa_replace_map): New struct.
74         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
75         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
76         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
77         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
78         ipcp_iterate_stage, ipcp_method_scale_print,
79         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
80         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
81         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
82         ipcp_update_bb_counts, ipcp_update_profiling,
83         ipcp_update_edges_counts): New functions.
84         (ipcp_method_cval_init): Remove restriction regarding local methods.
85         (ipcp_init_stage): Add ipcp_method_compute_scale.
86         (ipcp_insert_stage): Add versioning.
87         (ipcp_structures_print): Add ipcp_method_scale_print.
88         (ipcp_driver): Dump profiling info.
89         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
90         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
91         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
92         (struct inline_data): Add versioning_p, ipa_info, new fields.
93         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
94         declare_return_variable): Replace calls to copy_decl_for_inlining with
95         copy_decl_for_dup.
96         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
97         versioning support.
98         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
99         Add argument VERSIONING.
100         (copy_arguments_for_versioning, copy_static_chain,
101         function_versionable_p, tree_versionable_function_p,
102         tree_function_versioning, replace_ref_tree): New functions.
103         * tree-inline.h: Include varray.h.
104         (tree_versionable_function_p,  tree_function_versioning,
105         tree copy_decl_for_dup): New declarations.
106
107 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
108
109         * ipa-cp.c: New file. Contains IPCP specific functionality.
110         * ipa-prop.h: New file. Contains structures/definitions that can be
111         used by several interprocedural data flow optimizations (and also IPCP).
112         * ipa-prop.c: New file.
113         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
114         * common.opt: Add ipa-cp flag.
115         * timevar.def: Add IPCP optimization.
116         * tree-optimize.c (init_tree_optimization_passes): Schedule
117         pass_ipa_cp.
118         * tree-pass.h (pass_ipa_cp): Declare.
119
120 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
121
122         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
123         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
124         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
125         config/i386/i386.c, config/mips/mips.h,
126         config/rs6000/rs6000.h, config/sh/sh.c,
127         config/stormy16/stormy16.c: Fix comment typos.
128
129 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
130
131         PR c/22311
132         * c-typeck.c (build_binary_op): Use common_type wrapper on
133         shortened types.
134         (common_type): Update comment.
135
136 2005-07-31  Steven Bosscher  <stevenb@suse.de>
137
138         PR target/23095
139         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
140         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
141         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
142
143 2005-07-31  Jan Hubicka  <jh@suse.cz>
144
145         * pretty-print.h (pp_widest_integer): New macro.
146         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
147         counts.
148
149 2005-07-31  Jan Hubicka  <jh@suse.cz>
150
151         * output.h (enum section_category): Export from varasm.c
152         (categorize_decl_for_section): Likewise.
153         * varasm.c (enum section_category): Kill.
154         (categorize_decl_for_section): Make global.
155         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
156         Declare.
157         * i386.c (ix86_section_threshold): New static variable.
158         (ix86_in_large_data_p, ix86_encode_section_info,
159         x86_64_elf_unique_section,
160         x86_64_elf_select_section): New functions.
161         (TARGET_ENCODE_SECTION_INFO): Define
162         (override_options): Enable medium model for PIC.
163         (ix86_expand_prologue): Expand gen_set_got_rex64.
164         (legitimate_constant_p): Handle new UNSPECs.
165         (legitimate_pic_address_disp_p): Likewise.
166         (legitimize_pic_address): Lower MEDIUM model addressing.
167         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
168         (enum cmodel): Add MEDIUM_PIC.
169         (SYMBOL_REF_FAR_ADDR_P): New macro.
170         (SYMBOL_FLAG_FAR_ADDR): New flag.
171         * i386.md (movdi): Support medium model.
172         (set_got_rex64): New pattern.
173         * i386.opt (mlarge-data-threshold): New flag.
174         * predicates.md (zext_operand/sext_operand): Deal with medium model.
175         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
176         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
177         TARGET_ASM_UNIQUE_SECTION): New.
178
179         * invoke.texi (-mlarge_data_threshold): Document
180
181 2005-07-31  Jan Hubicka  <jh@suse.cz>
182
183         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
184         (coalesce_vars): Likewise.
185         * tree-ssa-live.c (coalesce_cost): New.
186         (build_tree_conflict_graph): Use coalesce_cost.
187         * tree-ssa-live.h (coalesce_cost): Declare.
188
189 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
190
191         * arm.md (all peepholes for post-increment operations): Delete.
192         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
193         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
194         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
195         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
196         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
197
198 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
199
200         * fold-const.c (tree_expr_nonnegative_p): Always return true for
201         non-integral types.
202
203 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
204
205         PR target/22582
206         * doc/invoke.texi: Document -rdynamic.
207
208 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
209
210         PR c/23143
211         * c-parser.c (c_parser_parms_list_declarator): Call
212         mark_forward_parm_decls.
213         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
214         decls with visibility structure.
215
216 2005-07-30  Paul Brook  <paul@codesourcery.com>
217
218         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
219
220 2005-07-30  Paul Brook  <paul@codesourcery.com>
221
222         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
223         prototype.
224         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
225         value for mode.
226         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
227
228 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
229
230         PR c/529
231         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
232         nested function declarators.
233         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
234         (grokparms): Call warn_if_shadowing for parameters used within the
235         parameter list.
236         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
237         not used within the parameter list.
238         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
239
240 2005-07-30  Jan Hubicka  <jh@suse.cz>
241
242         * expr.c (expand_expr_real_1): Do not load mem targets into register.
243         * i386.c (ix86_fixup_binary_operands): Likewise.
244         (ix86_expand_unary_operator): Likewise.
245         (ix86_expand_fp_absneg_operator): Likewise.
246         * optabs.c (expand_vec_cond_expr): Validate dest.
247
248 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
249
250         PR c/21720
251         * real.c (real_from_string): Also set last bit if there is a
252         nonzero hex digit beyond GCC's internal precision after ".".
253
254 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
255
256         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
257         define_constants.  Change duplicate values to unassigned numbers.
258         Change UNSPEC_SUBS to UNSPEC_VSUBS.
259         (*altivec_vspltsf): New.
260         (altivec_vperm_v4sf): Delete.
261         (altivec_vperm_<mode>): Use mode macro V.
262         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
263         (altivec_predicate_v4sf): Delete.
264         (altivec_predicate_<mode>): Use mode macro V.
265         (*altivec_lvesfx): New.
266         (*altivec_stvesfx): New.
267         (vec_realign_load_v4sf): Delete.
268         (vec_realign_load_<mode>): Use mode macro V.
269         * config/rs6000/rs6000.c (generate_set_vrsave): Use
270         UNSPECV_SET_VRSAVE.
271
272 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
273
274         PR bootstrap/23131
275         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
276         string. 
277         * configure: Regenerated.
278
279 2005-07-29  Paul Brook  <paul@codesourcery.com>
280
281         * doc/install.texi: Add link to GFortran binaries wiki page.
282
283 2005-07-29  David Ung  <davidu@mips.com>
284
285         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
286         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
287         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
288         * config/mips/mips.md (cpu): Add 5kf name.
289         (includes): Includes 5k.md.
290         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
291         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
292         -march flag.    
293
294 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
295
296         PR 22550
297         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
298         (cleanup_tree_cfg): ... here.
299         Call cleanup_tree_cfg_1 until there are no more cleanups to
300         do.
301
302 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
303
304         * tree-vrp.c (compare_range_with_value): Return true or false
305         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
306         EQ_EXPR respectively.
307
308 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
309
310         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
311         Fix comment typos.
312
313 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
314
315         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
316         (tree_ssa_dominator_optimize): Increment it.
317         (dump_dominator_optimization_stats): Print it.
318
319 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
320             Steven Bosscher  <stevenb@suse.de>
321
322         PR rtl-optimization/23117
323         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
324         when head == tail.  Tidy comment.
325
326 2005-07-28  Richard Henderson  <rth@redhat.com>
327
328         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
329         * cselib.c (rtx_equal_for_cselib_p): Likewise.
330         * jump.c (rtx_renumbered_equal_p): Likewise.
331         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
332         CONST_INT and CONST_DOUBLE.
333         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
334         * reload.c (operands_match_p): Special case CONST_INT and
335         CONST_DOUBLE; check mode earlier.
336
337 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
338
339         PR c/22240
340         * c-typeck.c (convert_for_assignment): Do not check
341         DECL_IN_SYSTEM_HEADER on NULL fundecl.
342
343 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
344
345         PR c/22192
346         * c-typeck.c (composite_type): Prefer constant size arrays to
347         VLAs.
348
349 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
350
351         PR c/21720
352         * real.c (real_from_string): Set last bit if there is a nonzero
353         hex digit beyond GCC's internal precision.
354
355 2005-07-28  Richard Henderson  <rth@redhat.com>
356
357         PR rtl-opt/22619
358         * cfgcleanup.c (try_forward_edges): Watch out for end of
359         insn chain.
360
361 2005-07-28  James E Wilson  <wilson@specifixinc.com>
362
363         PR c/23106
364         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
365
366 2005-07-28  Jan Hubicka  <jh@suse.cz>
367
368         * Makefile.in (rtl-profile.o): Kill all traces of it.
369         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
370         * coverage.h (rtl_coverage_counter_ref): Kill.
371         * opts.c (flag_speculative_prefetching_set): Kill.
372         (flag_loop_optimize_set): New.
373         (common_handle_option): Disable loop optimizer when profiling;
374         do not handle speculative prefetching.
375         * passes.c (init_optimization_passes): Replace pass_profiling combo
376         by branch_prob pass.
377         * profile.c (compute_value_histograms): Update for simplified value
378         profiles.
379         (rtl_register_profile_hooks): Kill.
380         (pass_profiling): Kill.
381         (rest_of_handle_branch_prob): Do not profile.
382         * toplev.c (process_options): Remove speculative prefetching.
383         * toplev.h (flag_tree_based_profiling): Kill.
384         * tree-profile.c (prepare_instrumented_value,
385         tree_gen_interval_profiler, tree_gen_pow2_profiler,
386         tree_gen_one_value_profiler, do_tree_profiling): Update for
387         simplified datastructures.
388         * value-prof.c: Add comment that speculative prefetching was dropped;
389         update rest of file for simplified datastructures.
390         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
391         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
392         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
393         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
394         rtl_mod_subtract, gen_speculative_prefetch,
395         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
396         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
397         (gate_handle_value_profile_transformations,
398         rest_of_handle_value_profile_transformations,
399         pass_value_profile_transformations): Kill.
400         * value-prof.h (histogram_value_t): Remove IL based unions.
401         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
402         rtl_profile_hooks): Remove hooks.
403
404         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
405
406         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
407         (cgraph_clone_node): Likewise.
408         * cgraph.h (cgraph_clone_edge): Update prototype.
409         (cgraph_clone_node): Likewise.
410         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
411         cgraph_clone_node.
412         (lookup_recursive_calls): Consider profile.
413         (cgraph_decide_recursive_inlining): Fix updating; use new
414         probability argument; use profile.
415         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
416         * tree-inline.c (copy_bb): Update clal of clone_edge.
417         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
418
419         * invoke.texi (min-inline-recursive-probability): Document.
420
421 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
422
423         * doc/install.texi (Configuration): Update Valgrind homepage.
424
425 2005-07-28  Richard Henderson  <rth@redhat.com>
426
427         PR middle-end/21362
428         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
429         labels we want to delete.
430         (cfg_layout_merge_blocks): Likewise.
431
432 2005-07-28  Richard Henderson  <rth@redhat.com>
433
434         PR target/17692
435         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
436         when expanding to nothing.
437
438 2005-07-28  Josh Conner  <jconner@apple.com>
439
440         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
441         (cgraph_decide_inlining_of_small_functions): Likewise.
442
443 2005-07-28  Josh Conner  <jconner@apple.com>
444
445         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
446         direction of badness if negative.
447         (cgraph_default_inline_p): Add reason to parameters, and assign it
448         a value.
449         (cgraph_decide_inlining_of_small_functions): New parameter in call
450         to cgraph_default_inline_p.
451         (cgraph_decide_inlining_incrementally): Likewise.
452         * cgraphunit.c (decide_is_function_needed): Likewise.
453         * cgraph.h (cgraph_default_inline_p): Likewise.
454
455 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
456
457         * builtins.c: Fix comment typo(s).
458         * genautomata.c: Likewise.
459         * gimplify.c: Likewise.
460         * tree-dfa.c: Likewise.
461         * tree-flow-inline.h: Likewise.
462         * tree-into-ssa.c: Likewise.
463         * tree-ssa-alias.c: Likewise.
464         * tree-ssa-ccp.c: Likewise.
465         * tree-ssa-copy.c: Likewise.
466         * tree-ssa-dce.c: Likewise.
467         * tree-ssa-dom.c: Likewise.
468         * tree-ssa-operands.c: Likewise.
469         * tree-tailcall.c: Likewise.
470         * tree-vectorizer.c: Likewise.
471         * tree-vrp.c: Likewise.
472         * tree.c: Likewise.
473
474 2005-07-28  Jeff Law  <law@redhat.com>
475
476         * tree-vrp.c (test_for_singularity): Extracted from  ...
477         (simplify_cond_using_ranges): Attempt to simplify a relational
478         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
479
480 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
481
482         PR tree-optimization/22506
483         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
484         phis whose argument is constant.
485
486 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
487
488         PR rtl-optimization/18992
489         Back out this patch:
490           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
491           PR optimization/12142
492           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
493           uses of the register in the SET_SRC.  Remove unnecessary argument.
494
495         Replace it with this:
496         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
497         if flag_non_call_exceptions is set and the insn may trap, pass
498         pc_rtx as dest for recursion.
499         In SET_SRC part of SET case, if dest is already set, pass it down
500         unchanged.
501
502 2005-07-28  Jan Hubicka  <jh@suse.cz>
503
504         * cfg.c (update_bb_profile_for_threading): Use RDIV.
505         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
506         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
507         roundoff errors.
508         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
509         profile when available.
510
511 2005-07-28  Jan Beulich <jbeulich@novell.com>
512
513         * config/ia64/ia64.c (ia64_load_pair_ok): New.
514         (ia64_print_operand): Describe and handle 'X'.
515         (ia64_register_move_cost): Also handle FP_REGS.
516         (ia64_preferred_reload_class): Likewise.
517         (ia64_secondary_reload_class): Likewise.
518         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
519         it. Also check for ITANIUM_CLASS_FLDP.
520         * config/ia64/ia64.h (FP_REGNO_P): New.
521         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
522         (reg_class): Add FP_REGS.
523         (REG_CLASS_NAMES): Adjust for it.
524         (REG_CLASS_CONTENTS): Likewise.
525         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
526         (REG_CLASS_FROM_LETTER): Handle 'x'.
527         (CLASS_MAX_NREGS): Handle FP_REGS.
528         (MEMORY_MOVE_COST): Likewise.
529         * config/ia64/ia64.md (itanium_class): Add fldp.
530         (type): Handle fldp.
531         (movti_internal): More allowable operand combinations. Use ldfp8 when
532         splitting unnecessary. Remove predicable attribute. Adjust
533         itanium_class attribute.
534         (smuldi3_highpart): Remove outdated comment.
535         (mulditi3, umulditi3, rotlti3): New expanders.
536         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
537         (absti2): Disabled new insn for future reference.
538         Respective new splitters.
539         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
540         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
541         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
542
543 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
544
545         PR rtl-optimization/23047
546         * simplify-rtx.c (simplify_const_relational_operation): Respect
547         flag_wrapv for comparisons with ABS.
548
549 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
550
551         PR tree-optimization/22493
552         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
553         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
554
555 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
556
557         * config/frv/frv.opt (moptimize-membar): New.
558
559         * doc/invoke.texi: Document -moptimize-membar and its inverse.
560
561         * config/frv/frv.h: Remove machine_function definition.
562
563         * config/frv/frv.c (struct frv_io): New.
564         (struct machine_function): Moved from frv.h.  Add has_membar_p.
565         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
566         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
567         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
568         (frv_optimize_membar_global, frv_optimize_membar): New functions.
569         (frv_reorg): Call frv_optimize_membar when appropriate.
570         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
571         (frv_expand_builtin): Adjust calls accordingly.
572         (frv_io_address_cookie): New function.
573         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
574         load or store rather than a special insn.  Add ccnstant address and
575         io-type operands to the membar.
576         (frv_ifcvt_modify_tests): Unsign regno.
577         (frv_ifcvt_modify_tests): Same.
578
579         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
580         UNSPEC_OPTIONAL_MEMBAR constant.
581         (builtin_read_<mode>): Delete.
582         (builtin_write_<mode>): Delete.
583         ("optional_membar_<mode>"): Add operand.
584
585         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
586         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
587         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
588         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
589         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
590         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
591         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
592         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
593         * testsuite/gcc.target/frv/all-read-write-1.c: New.
594
595 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
596
597         * df.c (df_uses_record): Handle SCRATCH.
598
599 2005-07-28  Steven Bosscher  <stevenb@suse.de>
600
601         PR debug/20161
602         * passes.c (rest_of_decl_compilation): If decl is a type and
603         we have encountered errors, don't emit debug information.
604
605 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
606
607         * params.def: Fixed comment.
608         
609 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
610
611         PR target/19885
612         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
613         (TARGET_ASM_UNALIGNED_HI_OP): Add.
614         (TARGET_ASM_UNALIGNED_SI_OP): Add.
615
616 2005-07-27  Steven Bosscher  <stevenb@suse.de>
617
618         PR c++/22003
619         * varasm.c (assemble_start_function): Don't do anything that may
620         require a CFG if the current function is a thunk.
621
622 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
623
624         * doc/install.texi (Prerequisites): Mention that perl is needed
625         to do export control in libstdc++ targetting Darwin.
626
627 2005-07-27  Steven Bosscher  <stevenb@suse.de>
628
629         PR rtl-optimization/17808
630         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
631         (sched_insns_conditions_mutex_p): Split out from...
632         (add_dependence): ...here.  But don't call it from here.
633         (add_dependence_list): Check sched_insns_conditions_mutex_p
634         before calling add_dependence.
635         (add_dependence_list_and_free): Likewise.
636         (fixup_sched_groups): Likewise.
637         (sched_analyze_1): Likewise.
638         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
639         (sched_analyze): Likewise.
640         (sched_analyze_insn): Likewise.
641         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
642         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
643         dependencies on all COND_EXEC insns to jumps ending basic blocks
644         when doing intrablock scheduling.
645         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
646
647 2005-07-27  Jeff Law  <law@redhat.com>
648
649         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
650         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
651         equivalency sets, correctly handle the case were vr0 has an
652         equivalency set, but vr1 does not.
653
654 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
655
656         PR tree-optimization/23073
657         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call 
658         vect_print_dump_info before fprintf.
659
660 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
661
662         PR tree-optimize/22348
663         * tree-ssa-loop-niter.c (number_of_iterations_cond):
664         Fold the partial computation.
665
666 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
667
668         PR tree-optimization/22325
669         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
670         Declare.
671         * tree-scalar-evolution.c (scev_const_prop): Add generic final
672         value replacement.
673         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
674         (force_var_cost): ... this function.
675         (compute_phi_arg_on_exit): Export.
676
677 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
678
679         PR tree-optimization/20773
680         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
681         edge.
682
683 2005-07-27  Richard Guenther  <rguenther@suse.de>
684
685         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
686         Avoid pushing again if current struct contains only
687         fields we decomposed.
688
689 2005-07-27  Jan Hubicka  <jh@suse.cz>
690
691         PR tree-optimization/22574
692         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
693         not available.
694
695         * tree-tailcall.c (decrease_profile): New function.
696         (eliminate_tail_call): Use it.
697
698         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
699         visibility flags correctly in whole program mode.
700
701 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
702
703         PR rtl-optimization/22472
704         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
705
706 2005-07-26  Steven Bosscher  <stevenb@suse.de>
707
708         PR tree-optimization/22504
709         * tree-complex.c (expand_complex_addition): Use 'code' instead
710         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
711
712 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
713
714         * config.gcc (cpu_type): Add frv case.
715         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
716         (supported_defaults): Add fr550 case.
717
718 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
719
720         PR 22591
721         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
722         whether a pointer of type T * may point to objects of type T *.
723
724 2005-07-26  DJ Delorie  <dj@redhat.com>
725
726         * configure: Regenerate.
727
728 2005-07-26  Dale Johannesen  <dalej@apple.com>
729
730         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
731
732 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
733
734         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
735         Clarify use of "build" in name.
736
737 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
738
739         * doc/extend.texi (Raw read/write Functions): New section.
740         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
741         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
742         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
743         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
744         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
745         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
746         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
747         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
748         * config/frv/frv.c: Add bdesc_loads global.
749         Add bdesc_stores global.
750         (frv_init_builtins): Add support for __builtin_{read/write}*.
751         (frv_volatile_memref): New.
752         (frv_expand_load_builtin): New.
753         (frv_expand_store_builtin): New.
754         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
755         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
756         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
757         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
758         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
759         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
760         (builtin_read_<mode>): New.
761         (builtin_write_<mode>): New.
762         (builtin_write64): New.
763         (optional_membar_<mode>): New.
764
765 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
766
767         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
768         (rather than units) against HOST_BITS_PER_WIDE_INT.
769
770 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
771
772         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
773         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
774         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
775         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
776         FSF address.
777
778         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
779         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
780         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
781         comment typos.
782         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
783
784 2005-07-26  Richard Guenther  <rguenther@suse.de>
785
786         PR tree-optimization/22486
787         * fold-const.c (fold_unary): Fold away useless component
788         references of the form (T *)&T.x, if the address
789         doesn't change.
790
791 2005-07-25  James E Wilson  <wilson@specifixinc.com>
792
793         * dwarf2out.c (add_call_src_coords_attributes): New.
794         (gen_inlined_subroutine_die): Call it.
795         (maybe_emit_file, init_file_table): Add comments.
796         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
797         maybe_emit_file.
798         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
799         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
800         * tree.h (BLOCK_SOURCE_LOCATION): New.
801         (struct tree_block): New field locus.
802
803 2005-07-26  Andreas Schwab  <schwab@suse.de>
804
805         PR rtl-optimization/23043
806         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
807         when allocating a struct unoccr.
808
809 2005-07-25  Richard Henderson  <rth@redhat.com>
810
811         PR 22626
812         * tree-complex.c (gate_no_optimization): True if errors.
813         * Makefile.in (tree-complex.o): Update dependencies.
814
815 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
816
817         * config/frv/predicates.md (integer_register_operand): Use
818         GPR_AP_OR_PSEUDO_P.
819
820 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
821
822         PR tree-opt/22484
823         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
824         after fold.
825         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
826
827 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
828
829         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
830         types when flag_unsafe_math_optimizations is true.
831
832 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
833
834         * gcc.c (option_map): Add --sysroot.
835         (process_command): Handle --sysroot.
836         (display_help): Document it.
837         * doc/cppopts.tex (-isysroot): Document.
838         * doc/invoke.texi (--sysroot): Document.
839         * doc/install.texi (--with-build-sysroot): Document.
840
841         * Makefile.in (inhibit_libc): New variable.
842         (INHIBIT_LIBC_CFLAGS): Likewise.
843         (LIBGCC2_CFLAGS): Include
844         $(INHIBIT_LIBC_CFLAGS).
845         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
846         ($(T)crtbegin.o): Do not use @inhibit_libc@.
847         ($(T)crtend.o): Likewise.
848         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
849         ($(T)crtendS.o): Likewise.
850         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
851         ($(T)crtendT.o): Likewise.
852         (stmp-fixinc): Do not complain about missing headers if
853         inhibit_libc.
854         * configure.ac (inhibit_libc): Set it to true/false.
855         (--with-build-sysroot): New option.  Use it to set
856         SYSTEM_HEADER_DIR. 
857         * configure: Regenerated.
858
859 2005-07-25  Manfred Hollstein  <mh@suse.com>
860
861         * calls.c (store_one_arg): Fix unsigned comparison warning.
862
863 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
864
865         PR other/22337
866         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
867         (ggc_print_statistics): Initialize variable before use.
868
869 2005-07-25  Richard Guenther  <rguenther@suse.de>
870
871         * tree-dfa.c (mark_new_vars_to_rename): Protect against
872         calling with a PHI_NODE argument.
873
874         * tree-flow-inline.h (overlap_subvar): Protect against
875         possible overflow.
876
877 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
878
879         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
880         * configure: Regenerate.
881
882 2005-07-25  Ira Rosen  <irar@il.ibm.com>
883
884         * expr.c (highest_pow2_factor): Make extern.
885         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
886         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
887         record_array_differ_p, array_ptr_differ_p): Likewise.
888         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
889         additional cases. Call the above functions.
890         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
891         base_object_differ_p when there are two base objects. Otherwise, compare
892         base address and offset. Call may_alias_p.
893         (dump_data_reference): Use a correct field name.
894         (analyze_array): Make static. Initialize new data-ref fields.
895         (analyze_indirect_ref): New function.
896         (init_data_ref): Initialize new data-ref fields.   
897         (strip_conversion): Moved from tree-vect-analyze.c. 
898         (analyze_offset_expr, get_ptr_offset, address_analysis,
899         object_analysis): Likewise.
900         (analyze_offset): New function.
901         (create_data_ref): Likewise.
902         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
903         dimensions for ARRAY_REFs only.
904         (build_classic_dist_vector): Make static.
905         (access_functions_are_affine_or_constant_p): Call macro to get the
906         address of access functions.
907         (compute_all_dependences): Add new parameter
908         compute_self_and_read_read_dependences. Compute self and read-read  
909         dependences if it is true.
910         (find_data_references_in_loop): Call create_data_ref. Initialize new
911         data-ref fields.
912         (compute_data_dependences_for_loop): Add new parameter
913         compute_self_and_read_read_dependences. Remove parameter nb_loops,
914         compute nb_loops. Call compute_all_dependences,
915         build_classic_dist_vector and build_classic_dir_vector with correct
916         parameters.
917         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
918         with correct parameters. Compare dimensions for ARRAY_REFs only.
919         (free_data_refs): Call macro to free access functions.
920         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
921         fields from stmt_vinfo.
922         (struct base_object_info): New structure.
923         (struct data_reference): Move fields to base_object_info. Add fields   
924         first_location and object_info for above structures. Move fields from
925         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
926         aligned_to.  Add macros to access the new fields.
927         Update functions declarations.
928         * tree-flow.h (is_aliased_with): Declare.
929         * tree-loop-linear.c (linear_transform_loops): Call
930         compute_data_dependences_for_loop with correct parameters.
931         * tree-ssa-alias.c (is_aliased_with): New function.
932         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
933         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
934         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
935         vect_base_addr_differ_p, compute_subscript_distance and
936         build_classic_dist_vector. Add printings. Check absolute value of
937         distance.
938         (vect_analyze_data_ref_dependences): Go through ddrs instead of
939         data-refs.
940         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
941         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
942         to bytes. Add printing.
943         (vect_compute_data_refs_alignment): Go through loads and stores in one
944         loop.
945         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
946         vect_analyze_data_ref_access): Likewise.
947         (vect_analyze_pointer_ref_access): Remove.
948         (vect_address_analysis, vect_object_analysis): Likewise.
949         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
950         and analyze data-refs in the loop.
951         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
952         fields of data-ref instead of stmt. Add init to the offset from the
953         base.
954         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
955         (vect_update_init_of_dr): Likewise.
956         (vect_update_inits_of_drs): Go through loads and stores in one loop.
957         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
958         removed fields.
959         (new_loop_vec_info): Initialize new fields.
960         (destroy_loop_vec_info): Free new fields.
961         (vect_strip_conversion): Remove.
962         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
963         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
964         datarefs. Add new field ddrs. 
965         Add macros for the new fields access.
966         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
967         base_aligned_p, misalignment, memtag, ptr_info and subvars.
968         Remove their macros.
969         * tree.h (highest_pow2_factor): Declare.
970
971 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
972
973         * calls.c (store_one_arg): Check for sibling call MEM arguments
974         from already clobbered incoming argument area.
975
976 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
977
978         * c-common.c (check_missing_format_attribute): New.
979         * c-common.h (check_missing_format_attribute): Likewise.
980         * c-typeck.c (convert_for_assignment): Use it.
981
982 2005-07-24  Andreas Schwab  <schwab@suse.de>
983
984         * config/m68k/m68k.md ("extendqidi2"): When source is an address
985         register use a word move.  Correct operand of ext.w in 68000 code.
986
987 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
988
989         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
990         variables as declarations, rather than definitions.
991
992 2005-07-24  Ira Rosen  <irar@il.ibm.com>
993
994         PR tree-optimization/22526
995         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
996         of the zero node.
997
998 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
999
1000         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
1001         that C99 reserve for future use. Use it to define clog10,
1002         clog10f and clog10l.
1003
1004 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1005
1006         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
1007         * configure.ac: Check for -Wmissing-format-attribute.
1008         
1009         * configure: Regenerate.
1010
1011 2005-07-23  Richard Henderson  <rth@redhat.com>
1012
1013         PR tree-optimization/22623
1014         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
1015
1016 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
1017
1018         PR target/22577
1019         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
1020
1021 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1022
1023         * Makefile.in (C_TREE_H): Update dependencies.
1024         * c-tree.h: Include toplev.h.
1025         * diagnostic.h (diagnostic_set_info): Add format attribute.
1026         * rtl-error.c (diagnostic_for_asm): Likewise.
1027
1028 2005-07-23  Chao-ying Fu  <fu@mips.com>
1029
1030         * config/mips/mips-dsp.md: New file.
1031         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
1032         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
1033         functions.
1034         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
1035         MIPS_BUILTIN_BPOSGE32.
1036         (mips_expand_builtin_direct): Add one parameter to indicate that
1037         builtin functions need to return a value.
1038         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
1039         functions.
1040         (mips_regno_to_class): Add classes for 12 new DSP registers.
1041         (mips_subword): Change to check four HI registers.
1042         (mips_output_move): Output move to and from 6 new DSP accumulators.
1043         (override_options): Make sure -mdsp and -mips16 are not used together.
1044         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
1045         for machine modes.
1046         (mips_conditional_register_usage): Disable 6 new DSP accumulators
1047         when !TARGET_DSP.
1048         (print_operand): Add 'q' for printing DSP accumulators.
1049         (mips_cannot_change_mode_class): Check ACC_REGS.
1050         (mips_secondary_reload_class): Check ACC_REGS.
1051         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
1052         (mips_register_move_cost): Check ACC_REGS.
1053         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
1054         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
1055         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
1056         (dsp_bdesc): New array.
1057         (bdesc_arrays): Add DSP builtin function table.
1058         (mips_prepare_builtin_arg): Check predicate again after
1059         copy_to_mode_reg.
1060         (mips_expand_builtin): Add one more parameter to
1061         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
1062         MIPS_BUILTIN_BPOSGE32.
1063         (mips_init_builtins): Initialize new function types.
1064         (mips_expand_builtin_direct): Check if builtin functions need to
1065         return a value and pass operands properly.
1066         (mips_expand_builtin_bposge): New function.
1067         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
1068         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
1069         (FIRST_PSEUDO_REGISTER): Increase to 188.
1070         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1071         Update for 12 new DSP registers.
1072         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
1073         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
1074         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
1075         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
1076         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
1077         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
1078         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
1079         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
1080         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
1081         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
1082         (REGISTER_NAMES): Add names for 12 new DSP registers.
1083         * config/mips/mips.md: Include mips-dsp.md.
1084         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
1085         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
1086         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
1087         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
1088         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
1089         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
1090         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
1091         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
1092         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
1093         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
1094         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
1095         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
1096         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
1097         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
1098         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
1099         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
1100         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
1101         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
1102         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
1103         (UNSPEC_RDDSP): New constants.
1104         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
1105         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
1106         A<-d alternative.
1107         * config/mips/mips.opt (-mdsp): New option.
1108         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
1109         (reg_imm10_operand): New predicates.
1110         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
1111         * doc/invoke.texi (-mdsp): Document new option.
1112
1113 2005-07-22  DJ Delorie  <dj@redhat.com>
1114
1115         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
1116         to warning calls.
1117         * tree-inline.c (inlinable_function_p): Likewise.
1118
1119 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
1120
1121         PR debug/21828
1122         * toplev.c (check_global_declarations): Do not mark undefined
1123         variables as DECL_IGNORED_P.
1124         * varasm.c (first_global_object_name): GTY it.
1125         (weak_global_object_name): Likewise.
1126         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
1127         a string to go into {weak,first}_global_object_name.
1128
1129 2005-07-22  DJ Delorie  <dj@redhat.com>
1130
1131         * c-format.c (check_function_format): Change warning control
1132         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
1133
1134 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
1135
1136         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
1137         &PTR->FLD a dereference of PTR.
1138         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
1139         a potential dereference of PTR.
1140
1141 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
1142
1143         PR rtl-optimization/20370
1144         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
1145         call allocate_reg_info if necessary.
1146
1147         PR rtl-optimization/21848
1148         * calls.c (emit_library_call_value_1): For const functions, add
1149         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
1150
1151         PR rtl-optimization/22445
1152         * cselib.c (target.h): Include.
1153         (rtx_equal_for_cselib_p): Allow commutative matches.
1154         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
1155         Remove MODE parameter.  Changed all callers.
1156
1157         PR rtl-optimization/22258
1158         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
1159         New functions.
1160         (try_combine): Use likely_spilled_retval_p.
1161
1162 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
1163
1164         * config.gcc: Add crx-elf support.
1165
1166         * doc/contrib.texi: Mention crx.
1167         * doc/extend.texi: Document crx extensions.
1168         * doc/install.texi: Document crx install.
1169         * doc/invoke.texi: Document crx options.
1170         * doc/md.texi: Document crx constraints.
1171
1172         * config/crx/crx-protos.h: New file.
1173         * config/crx/crx.c: New file.
1174         * config/crx/crx.h: New file.
1175         * config/crx/crx.md: New file.
1176         * config/crx/crx.opt: New file.
1177         * config/crx/t-crx: New file.
1178         
1179 2005-07-22  Manfred Hollstein  <mh@suse.com>
1180
1181         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
1182         warnings.
1183         (int_add_graph_edge): Likewise.
1184         (collapse_nodes): Likewise.
1185         (process_unification_queue): Likewise.
1186
1187 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1188             Laurent GUERBY  <laurent@guerby.net>
1189
1190         PR tree-optimization/22336
1191         * function.c (record_block_change): Check for 
1192         cfun->ib_boundaries_block.
1193         
1194 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
1195
1196         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
1197         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
1198
1199 2005-07-21  DJ Delorie  <dj@redhat.com>
1200
1201         * toplev.c (warn_deprecated_use): Add warning control to warning
1202         call.
1203         * c-typeck.c (parser_build_binary_op): Likewise.
1204         (c_finish_if_stmt): Likewise.
1205         * c-common.c (check_function_sentinel): Likewise.
1206         (check_nonnull_arg): Likewise.
1207
1208 2005-07-21  Richard Henderson  <rth@redhat.com>
1209
1210         PR tree-opt/22504
1211         * tree-complex.c (complex_ssa_name_components): New.
1212         (cvc_lookup): Allow entry not found.
1213         (create_components): Remove.
1214         (create_one_component_var, get_component_var): New.
1215         (get_component_ssa_name, set_component_ssa_name): New.
1216         (extract_component): Use get_component_ssa_name.
1217         (update_complex_components): Use set_component_ssa_name.
1218         (update_complex_components_on_edge): Likewise.
1219         (update_phi_components): Create new PHI nodes directly, instead
1220         of adding insns to edges.
1221         (tree_lower_complex): Allocate and free complex_variable_components
1222         and complex_ssa_name_components here.
1223
1224 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
1225         
1226         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
1227         revert to returning false.
1228
1229 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1230
1231         PR target/21149
1232         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
1233
1234 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
1235
1236         PR target/22576
1237         * config/i386/i386.md (cmpxf): Change operand constraints
1238         to "nonmemory_operand".
1239
1240 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1241
1242         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
1243
1244 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1245
1246         PR middle-end/21180
1247         * fold-const.c (fold_build1): Add checksum for the operands.
1248         (fold_build2): Likewise.        
1249         (fold_build3): Likewise.
1250
1251 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
1252
1253         PR middle-end/19055
1254         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
1255
1256 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1257
1258         * common.opt (-fforward-propagate): Committed by mistake,
1259         removed.
1260
1261 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1262
1263         * reg-stack.c: Fix comment typo(s).
1264         * tree-ssa-operands.c: Likewise.
1265         * tree-vectorizer: Likewise.
1266
1267 2005-07-21  Nick Clifton  <nickc@redhat.com>
1268
1269         * config/sh/symbian.c: Replace C++ style line comments with C
1270         style line comments.
1271         (symbian_add_attribute): Do not use a ? operator on the LHS of
1272         an assignment.
1273         (sh_symbian_handle_dll_attribute): Change the type of the
1274         method vector to "VEC(tree,gc)*" and use vector accessor
1275         macros to walk over the elements.
1276         (symbian_export_vtable_and_rtti_p): Likewise.
1277         (symbian_class_needs_attribute_p): Likewise.
1278
1279 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1280
1281         PR target/22085
1282         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
1283         initialize targetm.resolve_overloaded_builtin here.
1284         (altivec_expand_overloaded_builtin): Make it non-static.
1285         * config/rs6000/rs6000-protos.h
1286         (altivec_expand_overloaded_builtin): New prototype.
1287         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
1288         targetm.resolve_overloaded_builtin here.
1289         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
1290
1291 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
1292             Zdenek Dvorak  <dvorakz@suse.cz>
1293
1294         PR tree-optimization/19210
1295         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
1296         New.
1297         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
1298         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
1299         rely on unproven assumptions.
1300         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
1301         * tree-flow.h (number_of_iterations_exit): Add final parameter.
1302         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
1303         to number_of_iterations_exit.
1304         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
1305         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
1306         * tree-ssa-loop-niter.c (find_loop_niter,
1307         estimate_numbers_of_iterations_loop): Likewise.
1308         (number_of_iterations_exit): Honor the new options.
1309         * doc/invoke.texi (Wunsafe-loop-optimizations,
1310         funsafe-loop-optimizations): Document them.
1311
1312 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
1313
1314         PR rtl-optimization/22167
1315         * gcse.c (hoist_code): Fix hoist_exprs[] check.
1316
1317 2005-07-20  Adam Nemet  <anemet@lnxw.com>
1318
1319         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
1320         __do_global_dtors_aux longcall.
1321
1322 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
1323
1324         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
1325         (old_special_pred_table): Don't reference
1326         SPECIAL_MODE_PREDICATES.
1327         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
1328         * config/arc/arc.h: Don't mention PREDICATE_CODES.
1329         * config/sh/predicates.h: Don't mention
1330         SPECIAL_MODE_PREDICATES.
1331         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1332         Remove.
1333
1334 2005-07-20  DJ Delorie  <dj@redhat.com>
1335
1336         * config.gcc: Add m32c-elf support.
1337
1338         * doc/contrib.texi: Mention m32c.
1339         * doc/extend.texi: Document m32c extensions.
1340         * doc/install.texi: Mention m32c.
1341         * doc/invoke.texi: Document m32c options.
1342         * doc/md.texi: Document m32c constraints.
1343
1344         * config/m32c/addsub.md: New file.
1345         * config/m32c/bitops.md: New file.
1346         * config/m32c/cond.md: New file.
1347         * config/m32c/jump.md: New file.
1348         * config/m32c/m32c-lib1.S: New file.
1349         * config/m32c/m32c-lib2.c: New file.
1350         * config/m32c/m32c-modes.def: New file.
1351         * config/m32c/m32c-pragma.c: New file.
1352         * config/m32c/m32c-protos.h: New file.
1353         * config/m32c/m32c.abi: New file.
1354         * config/m32c/m32c.c: New file.
1355         * config/m32c/m32c.h: New file.
1356         * config/m32c/m32c.md: New file.
1357         * config/m32c/m32c.opt: New file.
1358         * config/m32c/minmax.md: New file.
1359         * config/m32c/mov.md: New file.
1360         * config/m32c/muldiv.md: New file.
1361         * config/m32c/predicates.md: New file.
1362         * config/m32c/prologue.md: New file.
1363         * config/m32c/shift.md: New file.
1364         * config/m32c/t-m32c: New file.
1365
1366 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1367
1368         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1369         (stack_protect_set, stack_protect_test): New expanders.
1370         (stack_protect_set_si, stack_protect_set_si_media,
1371         stack_protect_set_di_media, stack_protect_test_si,
1372         stack_protect_test_si_media, stack_protect_test_di_media):
1373         New insns.
1374
1375 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
1376
1377         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1378
1379 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
1380
1381         * tree.h (tree_expr_nonzero_p): Export.
1382         * fold-const.c (tree_expr_nonzero_p): Likewise.
1383         Return true for CALL_EXPRs that are alloca calls.
1384         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1385         against zero.
1386         * tree-flow.h (expr_computes_nonzero): Remove.
1387         * tree-vrp.c (expr_computes_nonzero): Remove.
1388         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1389         (extract_range_from_unary_expr): Likewise.
1390         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1391         tree_expr_nonzero_p.
1392
1393 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1394
1395         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1396         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
1397         extra arg "picreg" and use it instead of pic_offset_table_rtx.
1398         All callers changed.
1399         (frame_related_constant_load): New arg "related" which controls
1400         setting of RTX_FRAME_RELATED_P.  All callers changed.
1401         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1402         (bfin_expand_prologue): Add stack limit checking.
1403         * config/bfin/bfin.md (trapifcc): New pattern.
1404
1405         * config/bfin/bfin.c: Include "langhooks.h".
1406         (def_builtin): Go through lang_hooks to call builtin_function.
1407
1408         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1409         * config/bfin/predicates.md (symbol_ref_operand): New.
1410         (call_insn_operand): Delete.  All callers changed to use
1411         register_no_elim_operand.
1412         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1413         call_cookie field.
1414         (function_arg): Use it to generate the call's operand 2.
1415         (bfin_longcall_p): New function.
1416         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
1417         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
1418         determine if the address needs to be in a REG.
1419         (bfin_handle_longcall_attribute): New function.
1420         (bfin_attribute_table): Add "longcall" and "shortcall".
1421         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1422         (CUMULATIVE_ARGS): New member call_cookie.
1423         (PREDICATE_CODES): Add symbol_ref_operand.
1424         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1425         extra USE to the pattern.
1426         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1427         New patterns, split off call_insn, sibcall_insn, call_value_insn and
1428         sibcall_value_insn; now the new patterns handle direct calls and the
1429         old ones indirect calls.
1430         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1431
1432 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
1433
1434         * doc/trouble.texi: Update section on handling of empty loops.
1435
1436 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
1437
1438         * config.gcc: Remove support for sparc-*-openbsd*,
1439         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1440         ns32k-*-netbsd*.
1441         * config.host: Remove support for i860-*-sysv4* as a host.
1442         * config/i860/*, config/ip2k/*, config/ns32k/*,
1443         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1444         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1445         mention obsolete ports.
1446
1447 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1448
1449         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1450         soft frame pointer.
1451         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1452         of frame_pointer_rtx.
1453         (sh_expand_epilogue): Likewise.
1454         (sh_set_return_address): Likewise.
1455         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1456         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
1457         offsets from FRAME_POINTER_REGNUM.
1458         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1459         (sh_register_names): Add initializer for sfp.
1460         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1461         (VALID_REGISTER_P): Likewise.
1462         (FIRST_PSEUDO_REGISTER): Update.
1463         (DWARF_FRAME_REGISTERS): Define.
1464         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1465         (HARD_FRAME_POINTER_REGNUM): Define.
1466         (FRAME_POINTER_REGNUM): Redefine.
1467         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1468         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
1469         from FRAME_POINTER_REGNUM.
1470         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1471         FRAME_POINTER_REGNUM.
1472         (REG_CLASS_CONTENTS): Add sfp.
1473         (REG_ALLOC_ORDER): Likewise.
1474         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
1475         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1476         of frame_pointer_rtx.
1477         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1478
1479 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
1480
1481         * fold-const.c (tree_expr_nonnegative_p): Only return true for
1482         ABS_EXPR when flag_wrapv is false because of INT_MIN.
1483         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1484         of an ABS_EXPR.
1485         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1486         ABS_EXPR<x>.
1487
1488 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
1489
1490         Make CONSTRUCTOR use VEC to store initializers.
1491         * c-common.c (complete_array_type): Update to cope with VEC in
1492         CONSTRUCTOR_ELTS.
1493         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1494         (pp_c_constructor_elts): New function.
1495         * c-pretty-print.h (pp_c_constructor_elts): Declare.
1496         * c-typeck.c (build_function_call, build_c_cast, digest_init,
1497         struct constructor_stack, struct initializer_stack,
1498         constructor_elements, push_init_level, pop_init_level,
1499         add_pending_init, find_init_member, output_init_element): Update to
1500         cope with VEC in CONSTRUCTOR_ELTS.
1501         * coverage.c (build_fn_info_value, build_ctr_info_value,
1502         build_gcov_info): Likewise.
1503         * expr.c (categorize_ctor_elements_1, store_constructor,
1504         expand_expr_real_1): Likewise.
1505         * fold-const.c (fold_ternary): Likewise.
1506         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1507         gimplify_init_constructor, gimplify_expr): Likewise.
1508         * tree-dump.c (dequeue_and_dump): Likewise.
1509         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1510         node.
1511         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1512         CONSTRUCTOR_ELTS.
1513         * tree-sra.c (generate_element_init_1): Likewise.
1514         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1515         * tree-ssa-operands.c (get_expr_operands): Likewise.
1516         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1517         * tree-vect-transform.c (vect_get_vec_def_for_operand):
1518         (get_initial_def_for_reduction): Likewise.
1519         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1520         value handle in annotations.
1521         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1522         tree_node_structure): Add support for constr_kind.
1523         (build_vector_from_ctor, build_constructor_single,
1524         build_constructor_from_list): New functions.
1525         (build_constructor): Update to take a VEC instead of a TREE_LIST.
1526         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1527         Update to cope with VEC in CONSTRUCTOR_ELTS.
1528         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1529         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1530         CONSTRUCTOR_APPEND_ELT): New macros.
1531         (struct constructor_elt, struct tree_constructor): New data types.
1532         (union tree_node): Add tree_constructor field.
1533         * treestruct.def: Define TS_CONSTRUCTOR.
1534         * varasm.c (const_hash_1, compare_constant, copy_constant,
1535         compute_reloc_for_constant, output_addressed_constants,
1536         initializer_constant_valid_p, output_constant,
1537         array_size_for_constructor, output_constructor): Update to cope with
1538         VEC in CONSTRUCTOR_ELTS.
1539         * vec.h (VEC_empty, VEC_copy): New macros.
1540
1541 2005-07-19  Devang Patel  <dpatel@apple.com>
1542
1543         * dbxout.c (dbxout_type): Check Objective-C++ lang.
1544         
1545 2005-07-19  Richard Henderson  <rth@redhat.com>
1546
1547         PR tree-opt/22278
1548         * gimplify.c (gimplify_expr): Use main variant type for the temp
1549         destination for a discarded volatile read.
1550         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1551         casts between non-void types that change volatility.
1552
1553 2005-07-15  DJ Delorie  <dj@redhat.com>
1554
1555         * toplev.h: Add comment about the first parameter for warning().
1556         * errors.h: Likewise.
1557
1558         * c.opt (Wpragmas): New.
1559         * doc/invoke.texi: Document it.
1560         
1561         * function.c (do_warn_unused_parameter): Add warning control to
1562         warning call.
1563         * c-decl.c (warn_if_shadowing): Likewise.
1564         * c-lex.c (cb_def_pragma): Likewise.
1565         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1566         (pop_alignment): Likewise.
1567         (handle_pragma_pack): Likewise.
1568         (apply_pragma_weak): Likewise.
1569         (handle_pragma_weak): Likewise.
1570         (handle_pragma_redefine_extname): Likewise.
1571         (add_to_renaming_pragma_list): Likewise.
1572         (handle_pragma_extern_prefix): Likewise.
1573         (maybe_apply_renaming_pragma): Likewise.
1574         (handle_pragma_visibility): Likewise.
1575         
1576         * config/c4x/c4x-c.c (BAD): Likewise.
1577         (c4x_parse_pragma): Likewise.
1578         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1579         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1580         (rs6000_pragma_longcall): Likewise.
1581         * config/v850/v850-c.c (pop_data_area): Likewise.
1582         (ghs_pragma_section): Likewise.
1583         (ghs_pragma_section): Likewise.
1584         (ghs_pragma_interrupt): Likewise.
1585         (ghs_pragma_starttda): Likewise.
1586         (ghs_pragma_startsda): Likewise.
1587         (ghs_pragma_startzda): Likewise.
1588         (ghs_pragma_endtda): Likewise.
1589         (ghs_pragma_endsda): Likewise.
1590         (ghs_pragma_endzda): Likewise.
1591
1592 2005-07-19  Danny Berlin <dberlin@dberlin.org>
1593             Kenneth Zadeck <zadeck@naturalbridge.com>
1594
1595         * Makefile.in: Removed tree-promote-statics.c
1596         * tree-promote-statics.c: Removed.
1597         * common.opt: Removed flag-promote-statics.
1598         * opts.c: Ditto.
1599         * passes.c: Removed tree-promote-statics pass. 
1600         * tree-pass.h: Ditto.
1601         * timevar.def: Removed TV_PROMOTE_STATICS.
1602
1603
1604 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
1605
1606         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1607         and *-*-freebsd9.
1608         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1609         
1610 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1611
1612         PR c/22476
1613         * c-common.c (check_function_arguments): Call
1614         'check_function_format' if either -Wformat or
1615         -Wmissing-format-attribute are specified.
1616         * c-format.c (check_function_format): Check -Wformat before
1617         calling 'check_format_info'.
1618         * c-opts.c (c_common_post_options): Don't warn for
1619         -Wmissing-format-attribute without -Wformat.
1620         * c-typeck.c (convert_for_assignment): Detect additional cases for
1621         -Wmissing-format-attribute.
1622         * doc/invoke.texi (-Wmissing-format-attribute): Document new
1623         behavior.
1624
1625 2005-07-19  Richard Guenther  <rguenther@suse.de>
1626
1627         * config/i386/i386.md (lrint<mode>2): Use temporary
1628         instead of clobbering non-existent memory.
1629
1630 2005-07-19  Nick Clifton  <nickc@redhat.com>
1631
1632         * config/avr/avr.c (legitimate_address_p): Fix debugging print
1633         statement to avoid displaying ASCII control characters.
1634
1635 2005-07-19  Ben Elliston  <bje@au.ibm.com>
1636
1637         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1638         * cfganal.c (find_edge_index): Ditto.
1639         * combine.c (combine_instructions): Ditto.
1640         * ddg.c (create_scc): Ditto.
1641         (find_successors): Ditto.
1642         (find_predecessors): Ditto.
1643         (find_nodes_on_paths): Ditto.
1644         (longest_simple_path): Ditto.
1645         * flow.c (update_life_info): Ditto.
1646         (count_or_remove_death_notes): Ditto.
1647         (clear_log_links): Ditto.
1648         * modulo-sched.c (generate_reg_moves): Ditto.
1649         (find_max_asap): Ditto.
1650         (find_max_hv_min_mob): Ditto.
1651         (find_max_dv_min_mob): Ditto.
1652         * sbitmap.c (sbitmap_first_set_bit): Ditto.
1653         * sched-rgn.c (extract_edgelst): Ditto.
1654         * tree-into-ssa.c (prepare_names_to_update): Ditto.
1655         (dump_update_ssa): Ditto.
1656         (ssa_names_to_replace) Ditto.
1657         (switch_virtuals_to_full_rewrite): Ditto.
1658         (update_ssa): Ditto.
1659         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1660
1661 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
1662
1663         Fix PR tree-optimization/22483
1664         
1665         * tree-complex.c (create_components): Use
1666         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1667         * tree-flow-inline.h (fill_referenced_var_vec): New function.
1668         * tree-flow.h (safe_referenced_var_iterator): New structure.
1669         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1670         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1671         safe_referenced_var iterator.
1672         (add_type_alias): Ditto.
1673
1674 2005-07-19  Steven Bosscher  <stevenb@suse.de>
1675
1676         * loop-init.c (rest_of_handle_loop2): Remove.
1677         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1678         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1679         (pass_rtl_loop_init, pass_rtl_loop_done,
1680         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1681         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1682         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1683         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1684         pass_tree_loop_done, and pass_tree_unswitch.
1685         (gate_loop): Rename to gate_tree_loop.
1686         * passes.c (init_optimization_passes): Update for renamed tree
1687         loop passes.  Add the new loop2 passes as subpasses of loop2.
1688         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1689         Update for the renamed tree loop passes.
1690
1691 2005-07-18  Ian Lance Taylor  <ian@airs.com>
1692
1693         PR middle-end/22057
1694         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1695         blocks when optimizing.
1696
1697 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
1698
1699         * common.opt (frename-registers): Initialize to 2.
1700         (fweb): Ditto.
1701         (fgcse-after-reload): Ditto.
1702         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1703         (process_options): Only change flag_web, flag_rename_registers,
1704         and flag_rerun_cse_after_loop if not explicitly set by user.
1705
1706 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1707
1708         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1709         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1710         in 64-bit mode the same as DImode in 32-bit mode.
1711         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1712         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1713         mode. Add new mode parameter. 
1714         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1715         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1716         x86_64_shift_adj): New expanders.
1717         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1718         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1719         insns.
1720         Respective new splitters. Use renamed shift splitter helpers in 32-bit
1721         DImode shift splitters.
1722         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1723         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1724         mode parameter.
1725
1726 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1727
1728         * i386.md (movdi_extzv_1): New.
1729         (zero_extendhidi2): Combine alternatives and never force use of
1730         REX64 prefix.
1731         (zero_extendqidi2): Likewise. Don't restrict input selection.
1732
1733 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1734
1735         Fix PR tree-optimization/22531
1736         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
1737          moment.
1738
1739 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1740
1741         * tree-promote-statics.c (pass_promote_statics): Change dump file
1742          name.
1743
1744 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1745
1746         * tree-optimize.c (init_tree_optimization_passes): Add
1747         pass_eliminate_useless_stores pass.
1748         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1749         * tree-ssa-pre.c (is_copy_stmt): New function.
1750         (follow_copies_till_vuse): Ditto.
1751         (do_eustores): Ditto.
1752         (gate_eustores): Ditto. 
1753         
1754 2005-07-16  Richard Henderson  <rth@redhat.com>
1755
1756         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1757
1758 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1759            Kenneth Zadeck <zadeck@naturalbridge.com>
1760
1761         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1762         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1763         ipa-type-escape.h, tree-promote-statics.c
1764         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1765         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
1766         tree-promote-statics.c: new files.
1767         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1768         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1769         int nonlocal_set_p, mark_constant_function): Deleted.
1770         (rest_of_handle_cfg): Removed call to mark_constant_function. 
1771         (nonoverlapping_component_refs_p): Added calls to support
1772         type based aliasing.    
1773         * tree-ssa-alias.c (may_alias_p,
1774         compute_flow_insensitive_aliasing): Ditto.
1775         * calls.c (flags_from_decl_or_type): Removed reference to
1776         cgraph_rtl_info. 
1777         * c-typeck.c (convert_arguments): Make builtins tolerant of having
1778         too many arguments.  This is necessary for Spec 2000.
1779         * cgraph.h (const_function, pure_function): Removed.
1780         * common.opt: Added "fipa-pure-const", "fipa-reference",  
1781         "fipa-type-escape", and "ftree-promote-static".
1782         * opts.c: Ditto.
1783         * passes.c: Added ipa and tree-promote-statics passes. 
1784         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1785         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1786         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1787         * tree-flow.h: Added exposed sra calls and addition of 
1788         reference_vars_info field for FUNCTION_DECLS.
1789         * tree-pass.h: Added passes.
1790         * tree-sra.c: (sra_init_cache): New function.
1791         (sra_insert_before, sra_insert_after) Made public.
1792         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1793         and made public.
1794         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1795         aliasing. (may_alias_p): Added code to use type escape analysis to
1796         improve alias sets.
1797         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1798         code to prune clobbers of static variables based on information
1799         produced in ipa-reference pass.  Changed call clobbering so that
1800         statics are not marked as clobbered if the call does not clobber
1801         them.
1802
1803 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
1804
1805         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1806         too.
1807
1808 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
1809
1810         * doc/install.texi (*-*-solaris2*): Document recommended version
1811         of GNU binutils and mention GNU linker problem on Solaris 10.
1812
1813 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
1814
1815         PR c/22421
1816         * c-decl.c (c_build_bitfield_integer_type): New function.
1817         (finish_struct): Call it.
1818         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1819
1820 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1821
1822         * c-typeck.c (digest_init): Call 'convert_for_assignment'
1823         before returning.
1824
1825 2005-07-16  Jan Hubicka  <jh@suse.cz>
1826
1827         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1828         (scale_bbs_frequencies_int): Watch roundoff errors.
1829         * predict.c (return_prediction): Initialize return_stmt.
1830
1831 2005-07-16  Jan Hubicka  <jh@suse.cz>
1832
1833         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1834         after RTL profiling.
1835
1836 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1837
1838         PR middle-end/22398
1839         * fold-const.c (build_range_check): Convert high/low to etype
1840         if we are only comparing against exp.
1841
1842 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1843
1844         Fix PR tree-optimization/22376
1845         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1846         special var here.
1847         (need_to_solve): New function.
1848         (compute_points_to_sets): Use it.
1849         
1850 2005-07-15  Jan Hubicka  <jh@suse.cz>
1851
1852         * cfg.c (update_bb_profile_for_threading): More diagnostic.
1853         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1854
1855 2005-07-15  Richard Guenther  <rguenther@suse.de>
1856
1857         * c-common.c (handle_flatten_attribute): New function.
1858         Add flatten function attribute.
1859         * doc/extend.texi: Document flatten function attribute.
1860         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1861         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1862         New functions.
1863         (cgraph_decide_inlining): Handle functions with flatten
1864         attribute.
1865
1866 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
1867
1868         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1869         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1870         UNSPEC_XCHG, UNSPEC_AND): New.
1871         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1872         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1873         * config/rs6000/sync.md (FETCHOP): New code macro.
1874         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1875         New code attrs.
1876         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1877         (sync_compare_and_swap<mode>): Same.
1878         (sync_lock_test_and_set<mode>): Same.
1879         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1880         for QImode and HImode, and not PPC405.
1881         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1882         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1883         (sync_<fetchop>{si,di}_internal): New.
1884         (sync_nand{si,di}_internal): New.
1885         (sync_old_<fetchop>{si,di}_internal): New.
1886         (sync_old_nand{si,di}_internal): New
1887         (sync_new_<fetchop>{si,di}_internal): New.
1888         (sync_new_nand{si,di}_internal): New.
1889         (atomic_and{si,di}): New.
1890         (sync_new_nand{si,di}_internal): New.
1891         (atomic_and{si,di}): New.
1892         (sync_add<mode>_internal): Delete.
1893         (sync_addshort_internal): Use unspec instead of unspec_volatile.
1894         (sync_sub<mode>_internal): Delte.
1895         (sync_subshort_internal): New.
1896         (sync_andsi_internal): Use unspec instead of unspec_volatile.
1897         (sync_anddi_internal): Delete.
1898         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1899         (sync_booldi_internal): Delete.
1900         (sync_boolc<mode>_internal): Delete.
1901         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1902         (sync_boolc<mode>_internal2): Delete.
1903         (sync_boolcc<mode>_internal): Delete.
1904         (isync, lwsync): Use unspec instead of unspec_volatile.
1905         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1906         Revert UNSPEC_VOLATILE.
1907         (rs6000_split_atomic_op): New.
1908         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1909
1910 2005-07-14  Eric Christopher  <echristo@redhat.com>
1911
1912         * config/mips/mips.c (mips_canonicalize_comparison): Cast
1913         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1914
1915 2005-07-14  Eric Christopher  <echristo@redhat.com>
1916
1917         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1918
1919 2005-07-14  Steven Bosscher  <stevenb@suse.de>
1920
1921         PR tree-optimization/22230
1922         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1923         the computation of the four cross productions for "range op range".
1924
1925 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
1926             Ulrich Weigand  <uweigand@de.ibm.com>
1927
1928         PR target/20126
1929         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1930         in some insn.
1931
1932 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1933
1934         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1935
1936 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
1937
1938         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1939
1940 2005-07-14  Richard Guenther  <rguenther@suse.de>
1941
1942         PR middle-end/22347
1943         * config/i386/i386-protos.h (ix86_function_value): Change
1944         prototype to match new target hook.
1945         * config/i386/i386.c (ix86_value_regno): Change prototype
1946         to take extra type argument.
1947         (TARGET_FUNCTION_VALUE): Define.
1948         (ix86_function_ok_for_sibcall): Pass extra argument to
1949         ix86_value_regno, check return slot rtx for exact match.
1950         (ix86_function_value): Take extra parameter.  Dispatch to
1951         ix86_value_regno with fndecl/fntype as provided.
1952         (ix86_value_regno): Handle extra type argument.
1953         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1954
1955         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1956         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1957         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1958         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1959         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1960
1961 2005-07-14  Richard Guenther  <rguenther@suse.de>
1962
1963         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1964         * calls.c (expand_call): Pass fntype to hard_function_value.
1965         (emit_library_call_value_1): Likewise.
1966         * explow.c: Include target.h.
1967         (hard_function_value): Take extra argument, the fntype.
1968         Use new target hook for function_value.
1969         * expr.h (hard_function_value): Change prototype.
1970         * function.c (aggregate_value_p): Pass 0 as fntype to
1971         hard_function_value.
1972         (assign_parms): Use new target hook for function_value.
1973         Pass 0 as fntype to hard_function_value.
1974         (expand_function_end): Likewise.
1975         * reg-stack.c: Include target.h.
1976         (stack_result): Use new target hook for function_value.
1977         * target-def.h: New target hook function_value.
1978         * target.h: Likewise.
1979         * targhooks.c (default_function_value): New function.
1980         * targhooks.h (default_function_value): Declare.
1981
1982 2005-07-13  Ian Lance Taylor  <ian@airs.com>
1983
1984         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1985
1986 2005-07-14  Jan Hubicka  <jh@suse.cz>
1987
1988         * tree-dfa.c (dump_variable): Use default_def function.
1989         * tree-ssa-alias.c (dump_points_to_info): Likewise.
1990         * tree-ssa.c (verify_use): Likewise.
1991         * tree-ssanames.c (release_ssa_name): Likewise.
1992         * tree-tailcall.c (eliminate_tail_call): Likewise.
1993         (tree_optimize_tail_calls_1): Likewise.
1994         * tree-vrp.c (get_value_range): Likewise.
1995
1996 2005-07-14  Ben Elliston  <bje@au.ibm.com>
1997
1998         * gcc.c (main): Compare language[0] with '*' when iterating over
1999         the infiles.
2000
2001 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
2002
2003         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
2004         "s390_emit_compare".  Add handling of CCZ1mode.
2005         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
2006         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
2007         checking.
2008         (s390_branch_condition_mask): Add CCZ1mode handling.
2009         * config/s390/s390.md: ("seq", "*seq"): New pattern.
2010         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
2011         Use CCZ1mode instead of CCZmode.
2012         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
2013
2014 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
2015
2016         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
2017         pattern.
2018         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
2019
2020 2005-07-13  Eric Christopher  <echristo@redhat.com>
2021
2022         * config/mips/mips.c (mips_canonicalize_comparison): New.
2023         (mips_emit_int_relational): Use.
2024
2025 2005-07-13  Eric Christopher  <echristo@redhat.com>
2026
2027         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2028         static extra parts.
2029         * config/s390/s390.md: Include tpf.md. Move tpf specific
2030         patterns...
2031         * config/s390/tpf.md: To here.
2032         * config/s390/s390.opt: Move tpf specific options...
2033         * config/s390/tpf.opt: to here. Add mmain option.
2034         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2035         * config/s390/tpf.h: Rewrite.
2036
2037 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2038
2039         * doc/tm.texi: Remove @xref{Cross-profiling}.
2040
2041 2005-07-13  Jeff Law  <law@redhat.com>
2042
2043         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
2044         expressions, test their _DECL operands for pointer equality rather
2045         than using operand_equal_p.
2046
2047 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
2048
2049         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
2050         (TARGET_POSIX_IO): This.
2051         * config/darwin.h: Likewise.
2052         * config/freebsd.h: Likewise.
2053         * config/linux.h: Likewise.
2054         * config/lynx.h: Likewise.
2055         * config/netbsd.h: Likewise.
2056         * config/rs6000/linux64.h: Likewise.
2057         * config/rs6000/linux.h: Likewise.
2058         * config/s390/tpf.h: Likewise.
2059         * config/sh/embed-elf.h: Likewise.
2060         * config/sparc/linux64.h: Likewise.
2061         * config/sparc/linux.h: Likewise.
2062         * config/svr4.h: Likewise.
2063         * gcov-io.h: Likewise.
2064
2065         * doc/tm.texi: Updated.
2066
2067         * libgcov.c (create_file_directory): Defined only if
2068         TARGET_POSIX_IO is defined.
2069         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
2070         is defined.
2071
2072 2005-07-13  Jan Hubicka  <jh@suse.cz>
2073
2074         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
2075
2076 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
2077
2078         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
2079         structure as argument.
2080
2081 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
2082
2083         PR tree-optimization/21921
2084         * tree-iterator.c (tsi_link_before): Support the case when
2085         tsi_end_p (tsi) == true.
2086
2087 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2088
2089         PR tree-optimization/22442
2090         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
2091         correctly.
2092
2093 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2094
2095         PR rtl-optimization/20376
2096         * toplev.c (process_options): Enable -fweb and -frename-registers when
2097         unrolling.
2098         * doc/invoke.texi: Update the information about when -fweb and
2099         -frename-registers are enabled.
2100
2101 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2102
2103         PR tree-opt/21840
2104         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
2105         if *rhs_p is not a SSA_NAME.
2106
2107 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
2108         
2109         Fix PR tree-optimization/22422 
2110         * tree-ssa-structalias.c (struct variable_info): Add flag for
2111         special vars.
2112         (get_varinfo): Now a static function.
2113         (new_varinfo): init has_union and is_special_var to false.
2114         (solution_set_add): Check has_union.
2115         (do_da_constraint): Move temporary variable so it gets reset
2116         properly.
2117         Also check for special variable.
2118         (do_ds_constraint): Ditto.
2119         (do_sd_constraint): Ditto.
2120         (do_structure_copy): Check for special variable.
2121         (find_func_aliases): Ditto.
2122         (init_base_vars): Set special vars properly.    
2123
2124 2005-07-13  Jan Hubicka  <jh@suse.cz>
2125
2126         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
2127         do unit-at-a-time.
2128
2129         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
2130         (get_expr_operands): Fix thinko wrt flags and subvars.
2131
2132         PR tree-optimize/22379
2133         * tree-inline.c (expand_call_inline): Do not output sorry in early
2134         inlining.
2135
2136 2005-07-12  Dale Johannesen  <dalej@apple.com>
2137
2138         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
2139
2140 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2141
2142         PR bootstrap/21704
2143         * host-linux.h: Include limits.h.
2144
2145 2005-07-12  Dale Johannesen  <dalej@apple.com>
2146
2147         * expr.c (compress_float_constant):  Add cost check.
2148         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
2149
2150 2005-07-12  Dale Johannesen  <dalej@apple.com>
2151
2152         * gcc.target/i386/compress-float-sse.c:  New.
2153         * gcc.target/i386/compress-float-sse-pic.c:  New.
2154         * gcc.target/i386/compress-float-387.c:  New.
2155         * gcc.target/i386/compress-float-387-pic.c:  New.
2156         * gcc.dg/compress-float-ppc.c:  New.
2157         * gcc.dg/compress-float-ppc-pic.c:  New.
2158
2159 2005-07-12  Eric Christopher  <echristo@redhat.com>
2160
2161         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
2162         static extra parts.
2163         * config/s390/s390.md: Include tpf.md. Move tpf specific
2164         patterns...
2165         * config/s390/tpf.md: To here.
2166         * config/s390/s390.opt: Move tpf specific options...
2167         * config/s390/tpf.opt: to here. Add mmain option.
2168         * config/s390/tpf-unwind.h: Remove unnecessary defines.
2169         * config/s390/tpf.h: Rewrite.
2170
2171 2005-07-12  Eric Christopher  <echristo@redhat.com>
2172
2173         * gcc.c (struct infile): Update comment for language.
2174         (main): Rewrite input file resetting code.
2175
2176 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
2177
2178         PR tree-opt/22335
2179         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
2180         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
2181         (lookup_avail_expr): Use constant_boolean_node instead
2182         of boolean_false_node/boolean_true_node.
2183
2184 2005-07-12  Ben Elliston  <bje@au.ibm.com>
2185
2186         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
2187         and use it when printing num_edges.
2188
2189 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2190
2191         * doc/extend.texi (Blackfin Built-in Functions): New section.
2192         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
2193         @opindex.
2194
2195 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
2196
2197         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
2198         s/cmpstrsi/cmpstrnsi
2199         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
2200         'cmpstrnsi'.
2201         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
2202         (init_optabs): Initialize cmpstrn_optab.
2203         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
2204         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
2205         * expr.c: (enum insn_code cmpstrn_optab): Declare.
2206         * config/i386/i386.md: s/cmpstr/cmpstrn
2207         * config/c4x/c4x.md: s/cmpstr/cmpstrn
2208         * doc/md.texi: Update documentation.
2209
2210 2005-07-11  Richard Henderson  <rth@redhat.com>
2211
2212         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
2213         build_va_arg_indirect_ref.
2214         (alpha_gimplify_va_arg): Likewise.
2215         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2216         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2217         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
2218         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2219         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2220         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
2221         Likewise.
2222         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2223
2224 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
2225
2226         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
2227         * passes.c (init_optimization_passes): Add pass_empty_loop.
2228         * tree-pass.h (pass_empty_loop): Declare.
2229         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
2230         try_remove_empty_loop, remove_empty_loops): New functions.
2231         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
2232         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
2233
2234 2005-07-12  Peter Barada  <peter@the-baradas.com>
2235
2236         PR middle-end/16719
2237         PR middle-end/18421
2238         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
2239         in address registers.
2240         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
2241         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
2242         alternative of addsi3_5200.
2243
2244 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2245
2246         * config/mips/mips.md (ffs<mode>2): Remove.
2247
2248 2005-07-11  Ian Lance Taylor  <ian@airs.com>
2249
2250         * doc/tree-ssa.texi (Cleanups): Improve description of
2251         TRY_FINALLY_EXPR.
2252         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
2253
2254 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2255         
2256         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
2257         * tree.h (DECL_ARGUMENT_FLD): New macro.
2258
2259 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
2260         
2261         Fix PR tree-optimization/22404
2262
2263         * tree-ssa-structalias.c (create_variable_info_for): Use
2264         correct offset.
2265
2266 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2267
2268         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
2269         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
2270         for second comparison operand.
2271         * config/bfin/predicates.md (reg_or_const_int_operand): New.
2272
2273         * config/bfin/bfin.md (define_attr "type"): Add "sync".
2274         (define_insn_reservation "alu"): Likewise.
2275         (csync, ssync): Now of type sync.
2276         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
2277         -mcsync-anomaly -mspecld-anomaly.
2278         * config/bfin/bfin.opt (mcsync): Remove.
2279         (mcsync-anomaly, mspecld-anomaly): Add.
2280         * config/bfin/bfin.c: Include "insn-codes.h".
2281         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
2282         (TARGET_DEFAULT_TARGET_FLAGS): New.
2283         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
2284
2285 2005-07-11  Steven Bosscher  <stevenb@suse.de>
2286
2287         * basic-block.h: Give the BB flags enum a name, bb_flags.
2288         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
2289         * cfgcleanup.c (enum bb_flags): Remove here.
2290         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
2291         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
2292         (update_forwarder_flag): Likewise.
2293         (thread_jump): Likewise.
2294         (try_forward_edges): Likewise.
2295         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
2296         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
2297         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
2298
2299 2005-07-11  Richard Guenther  <rguenther@suse.de>
2300
2301         * config/i386/i386.opt: New target option -msseregparm.
2302         * config/i386/i386.c (override_options): Error out for
2303         -msseregparm but no SSE support.
2304         (ix86_function_sseregparm): Check for global sseregparm.
2305         * doc/invoke.texi: Document -msseregparm.
2306
2307 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2308
2309         * config.gcc (m32r-*-linux*): Use the default extra_parts.
2310         (m32rle-*-linux*): Ditto.
2311
2312 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
2313
2314         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
2315         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
2316         bytes.
2317
2318 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2319
2320         PR middle-end/22239
2321         PR target/20126
2322         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
2323         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
2324
2325 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
2326
2327         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
2328         (varmap): Heapify varmap.
2329         (constraints): Heapify constraints.
2330         (struct constraint_graph): Heapify succs and preds.
2331         (constraint_vec_find): Update for heapification.
2332         (constraint_set_union): Ditto.
2333         (insert_into_complex): Ditto.
2334         (constraint_edge_vec_find): Ditto.
2335         (erase_graph_self_edge): Ditto.
2336         (add_graph_edge): Ditto.
2337         (get_graph_weights): Ditto.
2338         (merge_graph_nodes): Ditto.
2339         (build_constraint_graph): Ditto.
2340         (topo_visit): Ditto.
2341         (solve_graph): Ditto.
2342         (create_variable_info_for): Ditto.
2343         (init_base_vars): Ditto.
2344         (delete_points_to_sets): Free graph, varmap, and complex constraints.
2345         (condese_varmap_nodes): Free complex vector.
2346         (clear_edges_for_node): Clear succs and preds vector.
2347
2348 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2349
2350         * tree-ssa-structalias.c (update_alias_info): Change counting of
2351         references to not include vdefs.
2352         
2353 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2354
2355         * tree-ssa-alias.c (free_used_part_map): Add missing free.
2356         (up_insert): Ditto.
2357
2358 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2359
2360         * pa.c (pa_commutative_p): Make PLUS commutative when
2361         TARGET_NO_SPACE_REGS is true.
2362
2363 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2364
2365         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2366         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2367         * tree-dfa.c (dump_subvars_for): New.
2368         (debug_subvars_for): New.
2369         (dump_variable): Show subvariables if VAR has them.
2370         * tree-flow-inline.h (get_subvar_at): New.
2371         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2372         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2373         Update all users.
2374         (struct subvar): Change fields offset and size to unsigned
2375         HOST_WIDE_INT.
2376         (dump_subvars_for): Declare.
2377         (debug_subvars_for): Declare.
2378         (get_subvar_at): Declare.
2379         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2380         to unsigned HOST_WIDE_INT *.
2381         (overlap_subvar): Likewise.
2382         * tree-gimple.c (is_gimple_reg): Always return false for
2383         SFTs and memory tags.
2384         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2385         Update all callers.
2386         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2387         (compute_may_aliases): Call compute_points_to_sets.
2388         (collect_points_to_info_for): Remove.
2389         (compute_points_to_and_addr_escape): Remove.
2390         (delete_alias_info): Call delete_points_to_sets.
2391         (compute_flow_sensitive_aliasing): If the call to
2392         find_what_p_points_to returns false, call set_pt_anything.
2393         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2394         (set_pt_anything): Clear pi->pt_vars.
2395         (set_pt_malloc): Remove.
2396         (merge_pointed_to_info): Remove.
2397         (add_pointed_to_expr): Remove.
2398         (add_pointed_to_var): Remove.
2399         (collect_points_to_info_r): Remove.
2400         (is_escape_site): Make extern.
2401         (create_sft): New.
2402         (create_overlap_variables_for): Call it.
2403         * tree-ssa-copy.c (merge_alias_info): Never merge
2404         flow-sensitive alias information.
2405         * tree-ssa-operands.c (get_expr_operands): Adjust variables
2406         offset and size to be unsigned HOST_WIDE_INT.
2407         (add_to_addressable_set): Rename from note_addressable.
2408         Set TREE_ADDRESSABLE as the variables are added to the set.
2409         Update all users.
2410         (add_stmt_operand): Do not try to micro-optimize unmodifiable
2411         operands into VUSEs when adding V_MAY_DEFs for members in an
2412         alias set.
2413         * tree-ssa-operands.h (add_to_addressable_set): Declare.
2414         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2415         (struct variable_info): Add bitfield is_heap_var.
2416         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2417         (new_var_info): Initialize is_heap_var.
2418         (get_constraint_for): Add HEAP variables to the symbol table.
2419         Mark them with is_heap_var.
2420         (update_alias_info): New.  Taken mostly from the old
2421         compute_points_to_and_addr_escape.
2422         (handle_ptr_arith): New.
2423         (find_func_aliases): Call update_alias_info.
2424         Call handle_ptr_info for tcc_binary expressions.
2425         Call mark_stmt_modified.
2426         (create_variable_info_for): If DECL has subvars, do not create
2427         variables for its subvars.  Always add all the fields.
2428         (set_uids_in_ptset): If the solution includes ANYOFFSET and
2429         SFTs, then add all the SFTs of the structure.
2430         If VI->DECL is an aggregate with subvariables, add the SFT at
2431         VI->OFFSET.
2432         (find_what_p_points_to): If VI is an artificial variable,
2433         translate to bitfields in SSA_NAME_PTR_INFO.
2434         If the solution is empty, set pi->pt_vars to NULL
2435         (init_base_vars): Create ANYOFFSET.
2436         (compute_points_to_sets): Rename from create_alias_vars.
2437         Make extern.
2438         (pass_build_pta): Remove.
2439         (delete_points_to_sets): Rename from delete_alias_vars.
2440         (pass_del_pta): Remove.
2441         * tree-ssa-structalias.h (struct alias_info): Move from
2442         tree-ssa-alias.h.
2443         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2444         NUM_REFERENCES_SET): Likewise.
2445         (compute_points_to_sets, delete_points_to_sets): Declare.
2446
2447 2005-07-09  Richard Henderson  <rth@redhat.com>
2448
2449         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2450         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2451         alpha_split_lock_test_and_set_12): New functions.
2452         * config/alpha/alpha-protos.h: Update.
2453         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2454         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2455         * config/alpha/sync.md (I12MODE): New.
2456         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2457         (sync_<fetchop_name><I48MODE>): Likewise.
2458         (sync_nand<I48MODE>): Likewise.
2459         (sync_old_<fetchop_name><I48MODE>): Likewise.
2460         (sync_new_<fetchop_name><I48MODE>): Likewise.
2461         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2462         (sync_compare_and_swap<I48MODE>): Likewise.
2463         (sync_lock_test_and_set<I48MODE>): Likewise.
2464         (sync_compare_and_swap<I12MODE>): New.
2465         (sync_compare_and_swap<I12MODE>_1): New.
2466         (sync_lock_test_and_set<I12MODE>): New.
2467         (sync_lock_test_and_set<I12MODE>_1): New.
2468
2469 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2470
2471         PR 21356
2472         PR 22332
2473         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2474
2475 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
2476
2477         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2478         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2479
2480 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
2481
2482         PR target/21656
2483         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2484
2485 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
2486
2487         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2488         memory_operand constraint.
2489         (store_conditional_<mode>): Same.
2490         (sync_compare_and_swap<mode>): Same.
2491         (sync_lock_test_and_set<mode>): Same.
2492
2493 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
2494
2495         Rewrite PIC support to more closely model actual instructions.
2496         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2497         (cris_symbol): Remove prototypes for removed functions.
2498         (cris_pic_symbol_type_of, cris_valid_pic_const)
2499         (cris_expand_pic_call_address): Prototypes for new functions.
2500         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2501         variable.
2502         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2503         modifiers.
2504         <case ':'>: Add case for new punctuation character.
2505         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2506         emitting (extra) PIC modifier.
2507         <case UNSPEC>: Do not assert for PLT.
2508         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2509         (cris_expand_prologue, cris_expand_epilogue): Check
2510         for pic_offset_table_rtx usage instead of taking
2511         current_function_uses_pic_offset_table as the final word.
2512         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2513         Remove flag_pic difference.
2514         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2515         the moral equivalents of...
2516         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2517         functions.
2518         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2519         (cris_handle_option): Mark ARG as unused.
2520         (cris_expand_pic_call_address): New worker function for "call",
2521         "call_value".
2522         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2523         output PIC constructs here.
2524         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2525         as symbol-specific modifers, not whole or part of operands.
2526         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2527         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2528         constants and flag_pic.
2529         (CONSTANT_INDEX_P): Adjust for new functions.
2530         (enum cris_pic_symbol_type): New helper type.
2531         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2532         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2533         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2534         define_constants.
2535         ("movsi"): Emit actual instructions for GOT and relative access.
2536         ("*movsi_got_load"): New pattern to set up the register holding
2537         the GOT pointer.
2538         ("*movsi_internal"): Operand 1 is not a plain general_operand.
2539         Adjust FIXME for 'S'.
2540         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2541         Use "movs" for -fpic cases.
2542         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2543         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2544         ("call", "call_value"): Just call cris_expand_pic_call_address for
2545         PIC addresses.
2546         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2547         Remove special pattern.
2548         ("*expanded_call_side", "*expanded_call_value_side"): New
2549         patterns.
2550         (gotplt-to-plt, gotplt-to-plt-side-call)
2551         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2552         peephole2:s.
2553         * config/cris/cris/predicates.md
2554         ("cris_general_operand_or_gotless_symbol"): Remove unused
2555         predicate.
2556         ("cris_general_operand_or_symbol"): Adjust for new functions.
2557
2558 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2559
2560         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2561
2562 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
2563
2564         * Makefile.in (TREE_H): Add treestruct.def.
2565         (c-decl.o): Add pointer-set.h
2566         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2567         visibility on regular DECL's.
2568         (merge_decls): Fix the copying of decl nodes of various types for
2569         the new structures.  Don't update RTL, section name, weak status,
2570         etc, on DECL's without RTL.     
2571         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2572         Don't check volatile on non-variable types.
2573         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2574         to check whether we have seen arguments.
2575         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2576         flag is checked before field (flag is common, field is not).    
2577         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
2578         TS_DECL_COMMON could have an origin.
2579         (add_location_or_const_value_attribute): Don't check section name
2580         on non-var/function decls.
2581         (dwarf2out_var_location): Reverse order of tests.
2582         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2583         with DECL_WRTL_CHECK.
2584         * expmed.c (make_tree): rtl is now in decl_with_rtl.
2585         * fold-const.c (fold_binary): Don't check weakness on
2586         non-var/function decls.
2587         (tree_expr_nonzero_p): Ditto.
2588         (fold_checksum_tree): Use tree_decl_extra as sizeof
2589         buffer.
2590         * ggc-page.c (extra_order_size_table): Add sizes for
2591         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
2592         tree_field_decl.
2593         * gimplify.c (gimplify_bind_expr): Only set
2594         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2595         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2596         without RTL.
2597         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2598         * langhooks.h (init_ts). New langhook.
2599         * passes.c (rest_of_decl_compilation): Reverse order of tests.
2600         * print-tree.c (print_node): Update to only print fields that
2601         exist in the structures the passed decl has.
2602         * toplev.c (wrapup_global_declarations): Don't reset
2603         DECL_DEFER_OUTPUT on DECL's that don't contain it.
2604         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2605         * tree-inline.c (remap_decl): Ditto.
2606         * tree-outof-ssa.c (create_temp): Reverse order of tests.
2607         * tree-pretty-print.c (print_declaration): Don't print
2608         DECL_REGISTER on things that don't contain it.
2609         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2610         non-var/function decls.
2611         * tree.c (tree_contains_struct): New structure.
2612         (init_priority_for_decl): New hashtable.
2613         (tree_int_map): New structure.
2614         (tree_int_map_eq): New function.
2615         (tree_int_map_marked_p): Ditto.
2616         (tree_int_map_hash): Ditto.
2617         (tree_map): Move to tree.h.
2618         (tree_map_eq): Externalize.
2619         (tree_map_hash): Ditto.
2620         (tree_map_marked_p): Ditto.
2621         (init_ttree): Set up tree_contains_struct and call langhook.
2622         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2623         (tree_code_size): Update for new structures.
2624         (tree_node_structure): Update for new structures.
2625         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2626         without the field.
2627         (copy_node_stat):  Copy init priority.
2628         (build_decl_stat): Ditto for visibility.
2629         (ts_enum_names): New.
2630         (tree_contains_struct_check_failed): New function.
2631         (decl_init_priority_lookup): Ditto.
2632         (decl_init_priority_insert): Ditto.
2633         * treestruct.def: New file.
2634         * tree.h (CODE_CONTAINS_STRUCT): New macro.
2635         (CONTAINS_STRUCT_CHECK): Ditto.
2636         (tree_contains_struct_check_failed): New prototype.
2637         (DECL_CHECK): Removed.
2638         (DECL_MINIMAL_CHECK): New.
2639         (DECL_COMMON_CHECK): Ditto.
2640         (DECL_WRTL_CHECK): Ditto.
2641         (DECL_NON_COMMON_CHECK): Ditto.
2642         (DECL_WITH_VIS_CHECK): Ditto.
2643         (VAR_OR_FUNCTION_DECL_P): Ditto
2644         (struct tree_decl_minimal): New structure.
2645         (struct tree_decl_common): Ditto.
2646         (struct tree_decl_with_rtl): Ditto.
2647         (struct tree_decl_with_vis): Ditto.
2648         (struct tree_decl_non_common): Ditto.
2649         (struct tree_field_decl): Ditto.
2650         (struct tree_parm_decl): Ditto.
2651         (struct tree_var_decl): Ditto.
2652         (struct tree_function_decl): Ditto.
2653         (struct tree_const_decl): Ditto.
2654         (struct tree_result_decl): Ditto.
2655         (union tree_node): Add new structures.
2656         * var-tracking.c (track_expr_p): Reverse order of tests.
2657         
2658         * doc/c-tree.texi: Add documentation on DECL node internal structure.
2659
2660 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2661
2662         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2663         * system.h: Poison FINALIZE_PIC.
2664         * doc/tm.texi (FINALIZE_PIC): Remove.
2665
2666 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2667
2668         PR tree-opt/22329
2669         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2670         to the correct type if we have a MODIFY_EXPR.
2671
2672 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2673
2674         PR tree-optimization/22360
2675         * tree.c (upper_bound_in_type): Fix calculations for casting
2676         to a non-wider signed type and casting a signed value to a
2677         wider unsigned type.
2678         (lower_bound_in_type): Fix calculations for casting to a
2679         non-wider signed type.
2680
2681         PR tree-optimization/20139
2682         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2683         release_defs.
2684         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2685         fold_cond_expr_cond.
2686         * tree-ssanames.c (release_defs): Assert in_ssa_p.
2687         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2688
2689 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2690
2691         PR tree-opt/22356
2692         * tree-complex.c (expand_complex_libcall): Produce
2693         REALPART_EXPR/IMAGPART_EXPR with the correct type.
2694
2695 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
2696
2697         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2698         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2699         b" assert and inserted fastpath code for this case.
2700         (bitmap_ior): Removed "a != b" assert.
2701
2702 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2703
2704         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2705         (ENDFILE_SPEC): Likewise.
2706         * config/m32r/m32r.h (ASM_SPEC): Likewise.
2707
2708         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2709         a large stack frame at epilogue.
2710
2711 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
2712
2713         * final.c: Include sdbout.h when required.
2714
2715 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
2716
2717         * config.gcc (*-*-darwin*): Only one target-specific header file
2718         for generic darwin.
2719         (powerpc-*-darwin*): Add version-specific header files.
2720         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2721         * config.in: Regenerate.
2722         * configure: Regenerate.
2723         * gcc.c: Include xregex.h.
2724         (version_compare_spec_function): New.
2725         (spec_function): Add version-compare.
2726         (replace_outfile_spec_function): Reformat comment.
2727         (compare_version_strings): New.
2728         * config/darwin-c.c (version_as_macro): New.
2729         (builtin_define): New.
2730         (darwin_cpp_builtins): New.
2731         * config/darwin-protos.h (darwin_cpp_builtins): New.
2732         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2733         (LIB_SPEC): Make unconditional, update comment.
2734         (TARGET_C99_FUNCTIONS): Define.
2735         * config/darwin.opt: Sort.
2736         (mmacosx-version-min=): New.
2737         * config/darwin7.h: Delete.
2738         * config/darwin8.h: Delete.
2739         * config/i386/darwin.h (): Call darwin_cpp_builtins.
2740         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2741         (TARGET_C99_FUNCTIONS): Define.
2742         * config/rs6000/darwin7.h: New.
2743         * config/rs6000/darwin8.h: New.
2744         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2745         (-mmacosx-version-min): Document.
2746
2747 2005-07-07  Ian Lance Taylor  <ian@airs.com>
2748
2749         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2750
2751 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
2752
2753         PR middle-end/22239
2754         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2755
2756 2005-07-07  Khem Raj  <kraj@mvista.com>
2757
2758         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2759         in bytes, not words.
2760
2761 2005-07-07  Paul Brook  <paul@codesourcery.com>
2762
2763         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2764         DEFAULT_FUNCTION_ARG_PADDING to upward.
2765
2766 2005-07-07  Richard Henderson  <rth@redhat.com>
2767
2768         * function.c (locate_and_pad_parm): Record parameter alignment in
2769         stack_alignment_needed.
2770
2771 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
2772
2773         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2774         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2775         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2776         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2777         (define_attr "type"): Add isync, sync, load_l, store_c.
2778         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2779         Create scratch volatile MEM.
2780         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
2781         sync.
2782         (load_locked_<mode>): New.
2783         (store_conditional_<mode>): New.
2784         (sync_compare_and_swap<mode>): Replace with splitter.
2785         (sync_lock_test_and_set<mode>): Replace with splitter.
2786         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2787         and UNSPECV_ISYNC.
2788         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
2789         is ics.  Attribute isync.
2790         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
2791         lwsync.
2792         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2793         and UNSPECV_SYNC_OP.
2794         (emit_unlikely_jump): New.
2795         (emit_load_locked): New.
2796         (emit_store_conditional): New.
2797         (rs6000_split_compare_and_swap): New.
2798         (rs6000_split_lock_test_and_set): New.
2799         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2800         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2801         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2802         rs6000_split_lock_test_and_set): Declare.
2803         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2804         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2805         store_c, isync, sync.
2806
2807 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
2808
2809         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2810         filenames to gtyp-gen.h.
2811         (s-typ-gen): Use it in place of for loops.
2812
2813 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
2814
2815         * hooks.c (hook_bool_rtx_int_false): New function.
2816         * hooks.h (hook_bool_rtx_int_false): Declare.
2817         * target-def.h (TARGET_COMMUTATIVE_P): Define.
2818         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2819         * target.h (struct gcc_target): Add commutative_p member.
2820         * targhooks.c (hook_bool_rtx_commutative_p): New function.
2821         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2822         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2823         (pa_commutative_p): New function.
2824         * jump.c (target.h): Include.
2825         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2826         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2827
2828 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2829
2830         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2831         (s390_expand_setmem): New.
2832         * config/s390/s390.c: Likewise. 
2833         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2834         Adapt comments.
2835         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2836         general_operand.  Call new function "s390_expand_setmem".
2837         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2838         ("setmem_long", "*setmem_long"): ... this.
2839
2840 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2841         
2842         * config/s390/s390.c: (optimization_options): Enable
2843         TARGET_MVCLE at -Os.
2844         * doc/invoke.texi: Document changes in default behaviour.
2845         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2846
2847 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2848
2849         * expr.c: (set_storage_via_setmem): Convert opchar to mode
2850         defined by back-end.
2851
2852 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
2853
2854         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2855         all sets in the pattern.
2856         * config/rs6000/rs6000.md (stack_protect_testsi,
2857         stack_protect_testdi): Likewise.
2858
2859 2005-07-06  Jeff Law  <law@redhat.com>
2860
2861         * tree-vrp.c (simplify_using_ranges): Kill.
2862         (vrp_finalize): Remove call to simplify_using_ranges.
2863         (simplify_stmt_using_ranges): New function extracted from
2864         simplify_using_ranges.
2865         (simplify_div_or_mod_using_ranges): Likewise.
2866         (simplify_abs_using_ranges): Likewise.
2867         (simplify_cond_using_ranges): New function.
2868         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2869         * tree-ssa-propagate.c (substitute_and_fold): Call
2870         simplify_stmt_using_ranges if we have range information.
2871
2872 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
2873
2874         * config/ia64/ia64.c (ia64_reorg): Check optimize before
2875         ia64_flag_schedule_isns2.
2876
2877         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2878         reading/writing general registers.
2879         (ia64_function_arg): Revert 2005-06-18 change.
2880
2881 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2882
2883         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2884         (legitimize_tls_address): Use gcc_unreachable instead of abort.
2885
2886 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2887
2888         * function.c (expand_function_end): Revert part of 2005-06-27
2889         patch.  Do sjlj_emit_function_exit_after after return_label.
2890
2891 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2892
2893         * doc/install.texi (--disable-libssp): New.
2894
2895 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
2896
2897         * doc/invoke.texi: Update -fforce-mem documentation.
2898         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
2899         code for -fforce-mem.
2900         * expmed.c: (store_bit_field,store_fixed_bit_field,
2901         extract_bit_field): Ditto.
2902         * expr.c: (convert_move): Ditto.
2903         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2904         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2905         emit_conditional_add,expand_float,expand_fix): Ditto.
2906         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2907         (common_handle_option): Issue warning when -fforce-mem specified.
2908
2909 2005-07-06  Paul Brook  <paul@codesourcery.com>
2910
2911         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2912         argument is empty.
2913         * configure: Regenerate.
2914
2915 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
2916
2917         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2918
2919 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
2920
2921         Fix PR tree-optimization/22319
2922         Fix PR tree-optimization/22140
2923         Fix PR tree-optimization/22310
2924
2925         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2926         variable sized types.
2927         Use correct type for intermediate structure on *a = *b structure
2928         copies.
2929                 
2930 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2931
2932         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2933         Remove.
2934         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2935         (machine_function): Move typedef to...
2936         * config/rs6000/rs6000.c (machine_function): ... here.  Add
2937         varargs_save_offset field.
2938         (rs6000_stack_t): Remove varargs_size field.
2939         (setup_incoming_varargs): Allocate varargs save area using
2940         assign_stack_local, try to make it as small as possible.
2941         Save offset from virtual_stack_vars_rtx to the save area
2942         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
2943         instead of magic 8 when fp word byte size is used.
2944         (rs6000_va_start): Use cfun->machine->varargs_save_offset
2945         instead of -RS6000_VARARGS_SIZE.
2946         (rs6000_stack_info, debug_stack_info,
2947         rs6000_initial_elimination_offset): Remove all traces of
2948         varargs_size.
2949         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2950         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2951         RS6000_VARARGS_AREA.
2952
2953 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
2954
2955         PR tree-optimization/21963
2956         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2957         constant_multiple_of in the same way get_computation_cost_at does.
2958
2959 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2960
2961         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2962         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2963         (gen_compare_reg): If sparc_compare_emitted is set, clear it
2964         and return its previous value.
2965         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2966         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2967         constants.
2968         (stack_protect_set, stack_protect_test): New expanders.
2969         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2970         stack_protect_testdi): New insns.
2971         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2972         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2973
2974 2005-07-06  Jeff Law  <law@redhat.com>
2975
2976         * tree-ssa-dce.c (cfg_altered): New global.
2977         (tree_dce_init): Initialize cfg_altered.
2978         (remove_dead_stmt): If we remove an edge in the CFG, then set
2979         CFG_ALTERED.
2980         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2981         the dominators.
2982
2983 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2984
2985         * Makefile.in (stamp-collect-ld): Use
2986         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
2987         ./collect-ld if it already exists.
2988         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2989         Don't remove ./nm if it already exists.
2990
2991 2005-07-05  Devang Patel  <dpatel@apple.com>
2992
2993         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2994         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2995         * tree-vectorizer.c (vect_loop_location): New.
2996         (vect_print_dump_info): Use vect_loop_location.
2997         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2998         (vectorize_loops): Set vect_loop_location.
2999         * tree-vect-analyze.c (vect_analyze_offset_expr, 
3000         vect_determin_vectorization_factor, vect_analyze_operations,
3001         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
3002         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
3003         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
3004         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
3005         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
3006         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
3007         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
3008         vect_analyze_loop): Adjust vect_print_dump_info API.
3009         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3010         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
3011         vect_finish_stmt_generation, vectorizable_assignment, 
3012         vectorizable_operation, vectorizable_store, vectorizable_load, 
3013         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
3014         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
3015         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
3016         vect_transform_loop): Same.
3017         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
3018         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
3019         Same.
3020
3021 2005-07-05  Randolph Chung  <tausq@debian.org>
3022
3023         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
3024         * configure: Regenerate.
3025         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
3026         (pa_tls_referenced_p): Declare.
3027         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
3028         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
3029         (legitimize_tls_address): New.
3030         (hppa_legitimize_address): Handle TLS addresses.
3031         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
3032         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3033         (emit_move_sequence): Handle TLS addresses.
3034         (pa_encode_section_info): Call default handler to handle common 
3035         sections.
3036         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
3037         (CONSTANT_ADDRESS_P): Reject TLS operands.
3038         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
3039         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
3040         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
3041         (UNSPEC_TLSLE): Define new constants. 
3042         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
3043         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
3044         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
3045         (tie_symbolic_operand, tle_symbolic_operand): New
3046
3047 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
3048
3049         * aclocal.m4: Update macros for autoconf 2.59 style.
3050         * configure.ac: Likewise.
3051
3052 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3053
3054         * pa.c (function_value): Handle small aggregates on 32-bit targets.
3055         (function_arg): Pass small aggregates in general registers on 32-bit
3056         targets.
3057         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
3058
3059 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
3060
3061         * Makefile.in (final.o): Fix dependencies.
3062
3063 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3064
3065         PR c/22013
3066         PR c/22098
3067         * langhooks.h (struct lang_hooks): Add expr_to_decl.
3068         * langhooks.c (lhd_expr_to_decl): New.
3069         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
3070         New.
3071         (LANG_HOOKS_INITIALIZER): Update.
3072         * tree.c (recompute_tree_invarant_for_addr_expr): Call
3073         expr_to_decl langhook.
3074         * c-tree.h (c_expr_to_decl): Declare.
3075         * c-typeck.c (c_expr_to_decl): New.
3076         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
3077         specially.
3078         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
3079
3080 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
3081
3082         PR c/22308
3083         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
3084         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
3085
3086 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
3087
3088         * Makefile.in: Adjust dependencies.
3089         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
3090         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
3091         * alias.c (rest_of_handle_cfg, pass_cfg): New.
3092         * bb-reorder.c (duplicate_computed_gotos): Make it static.
3093         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
3094         rest_of_compilation.
3095
3096         * bb-reorder.c (gate_duplicate_computed_gotos,
3097         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
3098         rest_of_handle_reorder_blocks, pass_reorder_blocks,
3099         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
3100         pass_partition_blocks): New.
3101         * bt-load.c (gate_handle_branch_target_load_optimize,
3102         rest_of_handle_branch_target_load_optimize,
3103         pass_branch_target_load_optimize): New.
3104         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
3105         pass_jump2): New.
3106         * cfglayout.c (pass_insn_locators_initialize): New.
3107         * cfgrtl.c (pass_free_cfg): New.
3108         * combine.c (gate_handle_combine, rest_of_handle_combine,
3109         pass_combine): New.
3110         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
3111         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
3112         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
3113         * except.c (pass_set_nothrow_function_flags,
3114         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
3115         pass_rtl_eh): New.
3116         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
3117         rest_of_handle_shorten_branches, pass_shorten_branches,
3118         rest_of_clean_state, pass_clean_state): New.
3119         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
3120         rest_of_handle_remove_death_notes, pass_remove_death_notes,
3121         rest_of_handle_life, pass_life, rest_of_handle_flow2,
3122         pass_flow2): New.
3123         * function.c (pass_instantiate_virtual_regs, pass_init_function,
3124         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
3125         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3126         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
3127         pass_gcse): New.
3128         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
3129         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
3130         pass_rtl_ifcvt, gate_handle_if_after_combine,
3131         rest_of_handle_if_after_combine, pass_if_after_combine,
3132         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
3133         pass_if_after_reload): New.
3134         * integrate.c (pass_initial_value_sets): New.
3135         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
3136         pass_purge_lineno_notes): New.
3137         * mode-switching.c (rest_of_handle_mode_switching,
3138         pass_mode_switching): New.
3139         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
3140         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
3141         pass_loop2): New.
3142         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
3143         pass_loop_optimize): New.
3144         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
3145         pass_sms): New.
3146         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
3147         pass_gcse2): New.
3148         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
3149         pass_postreload_cse): New.
3150         * profile.c (gate_handle_profiling, pass_profiling,
3151         rest_of_handle_branch_prob, pass_branch_prob): New.
3152         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
3153         pass_split_before_regstack, gate_handle_split_before_regstack,
3154         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
3155         rest_of_handle_split_all_insns, pass_split_all_insns): New.
3156         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
3157         pass_stack_regs): New.
3158         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
3159         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
3160         pass_stack_adjustments): New.
3161         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
3162         pass_regrename): New.
3163         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
3164         pass_delay_slots, gate_handle_machine_reorg,
3165         rest_of_handle_machine_reorg, pass_machine_reorg): New.
3166         * rtl.h (extern void purge_line_number_notes): New.
3167         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
3168         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
3169         pass_sched2): New.
3170         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
3171         pass_tracer): New.
3172         * value-prof.c (gate_handle_value_profile_transformations,
3173         rest_of_handle_value_profile_transformations,
3174         pass_value_profile_transformations): New.
3175         * var-tracking.c (gate_handle_var_tracking,
3176         pass_variable_tracking): New.
3177         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
3178
3179         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
3180         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
3181         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
3182         rest_of_handle_old_regalloc, rest_of_handle_regrename,
3183         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
3184         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
3185         rest_of_handle_gcse2, rest_of_handle_regmove,
3186         rest_of_handle_tracer, rest_of_handle_if_conversion,
3187         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
3188         rest_of_handle_web, rest_of_handle_branch_prob,
3189         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
3190         rest_of_handle_jump_bypass, rest_of_handle_combine,
3191         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3192         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3193         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
3194         rest_of_handle_mode_switching, rest_of_handle_jump,
3195         rest_of_handle_eh, rest_of_handle_stack_adjustments,
3196         rest_of_handle_flow2, rest_of_handle_jump2,
3197         rest_of_handle_peephole2, rest_of_handle_postreload,
3198         rest_of_handle_shorten_branches, rest_of_clean_state,
3199         rest_of_compilation): Remove.
3200
3201         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
3202         * passes.c (dump_flags, in_gimple_form, all_passes,
3203         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3204         register_dump_files, next_pass_1, last_verified, execute_todo,
3205         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
3206         from tree-optimize.c.
3207         (init_optimization_passes): Moved from tree-optimize.c,
3208         adding the RTL optimizations.
3209         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
3210         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
3211         all_ipa_passes, all_lowering_passes, register_one_dump_file,
3212         register_dump_files, next_pass_1, last_verified, execute_todo,
3213         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
3214         init_tree_optimization_passes, ipa_passes): Delete.
3215         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
3216         the RTL dumps.
3217         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
3218         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
3219         from tree.h.
3220         (ipa_passes): Remove.
3221         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
3222         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
3223         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
3224         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
3225         (dump_info_p, dump_flag): Moved to tree-dump.h.
3226         
3227         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
3228         cgraph.c, opts.c.
3229         * passes.c (finish_optimization_passes): Use dump_begin
3230         and dump_end, TDI_end.
3231         (gate_rest_of_compilation): New.
3232         (pass_rest_of_compilation): Use it.
3233         (gate_postreload, pass_postreload): New.
3234         * toplev.c (general_init): Rename init_tree_optimization_passes.
3235         * toplev.h (init_tree_optimization_passes): Rename to
3236         init_optimizations_passes.
3237         * tree-dump.c (dump_flag): Make static.
3238         (dump_files): Remove RTL dumps.
3239         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3240         pass_cleanup_cfg, pass_free_cfg_annotations,
3241         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3242         pass_init_datastructures, pass_fixup_cfg): Make non-static.
3243         * tree-pretty-print.c: Include tree-pass.h.
3244         * cgraph.c: Include tree-dump.h.
3245         
3246 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3247
3248         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
3249         Only fall back to saying it points to readonly memory if
3250         we can't do better.
3251
3252 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3253
3254         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
3255         * config/m32r/m32r.c (m32r_compute_frame_size,
3256         m32r_expand_prologue): Take current_function_profile into
3257         account whenever we reference
3258         current_function_uses_pic_offset_table.
3259         (m32r_finalize_pic): Remove.
3260         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
3261
3262 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
3263
3264         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
3265         instead of $<.  Don't remove ./as if it already exists.
3266
3267 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3268
3269         PR target/21723
3270         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
3271         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
3272         for complex modes when generating code for PA 1.0.
3273         (VALID_FP_MODE_P): New macro.
3274         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3275         sets for all general and floating point modes.  Align wide floating
3276         point modes to even register boundaries to comply with architectural
3277         requirements.
3278         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
3279         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
3280         (VALID_FP_MODE_P): New macro.
3281         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
3282         sets for all general and floating point modes.  Align wide floating
3283         point modes to even register boundaries to comply with architectural
3284         requirements.
3285
3286 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3287
3288         * tree-dump.c (dump_files): Initialize dump number for .cgraph
3289         to 0.
3290
3291 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3292
3293         * tree-ssa-structalias.c: Don't include expr.h.
3294
3295 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
3296
3297         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
3298         comments.
3299
3300 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
3301
3302         Fix PR tree-optimization/22279
3303         
3304         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
3305         correct operator.
3306         
3307 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
3308
3309         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
3310
3311 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3312
3313         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
3314         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
3315         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
3316         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
3317         config/stormy16/stormy16.c, config/v850/v850.c,
3318         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
3319         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
3320         Avoid "." or "\n" at end of diagnostics and capital letters at
3321         start of diagnostics.
3322         * combine.c, cse.c: Don't translate dump file output.
3323         * toplev.c (print_version): Only translate output if going to
3324         stderr.
3325
3326 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3327
3328         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
3329         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
3330         typos.
3331
3332 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3333
3334         * pa.c (fix_range): Fix typo in comment.
3335
3336 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3337
3338         * tree-vrp.c (extract_range_from_assert): Replace
3339         fold (build (...)) with fold_build2.
3340
3341 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3342
3343         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
3344         gcc_gfc_char_table, init_dynamic_gfc_info): New.
3345         (format_types_orig, handle_format_attribute): Add support for
3346         format "gcc_gfc".
3347
3348 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3349
3350         * varasm.c (assemble_variable): Fix format specifier thinko.
3351
3352 2005-07-03  Ira Rosen  <irar@il.ibm.com>
3353
3354         PR tree-optimization/22029 (and 22135)
3355         * tree-pretty-print.c (dump_generic_node): Check that the node is not
3356         a phi node before calling dump_vops.
3357
3358 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3359
3360         * tree-dump.h (dump_string_field): Declare.
3361         * tree-dump.c: Use it instead of dump_string.
3362         (dump_string_field): Make non-static.
3363
3364 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3365
3366         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3367         up the minimal CFG stuff always when optimize > 0.  Call
3368         split_all_insns_noflow in PIC case if needed.
3369
3370 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3371             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3372
3373         PR c++/18279
3374         * c-decl.c (c_write_global_declarations): Dump contents of
3375         external scope to.
3376         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3377         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3378         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3379         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3380         is enabled.
3381         
3382 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3383
3384         * c-common.h (GCC_DIAG_STYLE): Define.
3385         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
3386         version for format checking to 4.1.
3387         * c-format.c: Include toplev.h after c-common.h.
3388         (enum format_type): Add gcc_tdiag_format_type.
3389         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3390         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3391         (format_types_orig): Add gcc_tdiag.
3392         (init_dynamic_diag_info): Support gcc_tdiag formats.
3393         (handle_format_attribute): Likewise.
3394         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3395         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
3396         version for format checking to 4.1.
3397         (warning0, warning, error, pedwarn, sorry): Use
3398         ATTRIBUTE_GCC_DIAG.
3399         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3400         (finish_aliases_1): Do not use %qE.
3401         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3402         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3403         Correct format bugs.
3404         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3405         parameter to unsigned HOST_WIDE_INT.
3406         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3407
3408 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
3409
3410         PR middle-end/21742
3411         * expr.c (write_complex_part): Use adjust_address for MEM.
3412         (read_complex_part): Same.
3413
3414 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
3415
3416         Fix PR tree-optimization/22280
3417
3418         * tree-sra.c (generate_element_init): Remove useless loop.
3419
3420 2005-07-02  Richard Henderson  <rth@redhat.com>
3421
3422         * config/alpha/alpha.c (alpha_legitimize_address): Check for
3423         TLS_MODEL_NONE.
3424         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3425
3426 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
3427
3428         PR middle-end/14490
3429         * fold-const.c (fold_binary): Handle the return value of
3430         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3431         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3432
3433 2005-07-02  Jeff Law  <law@redhat.com>
3434
3435         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3436         a eliminate type conversion which feeds an equality comparison
3437         if the original type or either operand in the comparison is a
3438         function pointer.
3439
3440 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
3441
3442         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3443         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3444         texts.
3445         * config/avr/avr.c: Do not use '`' as left quote.
3446         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3447         Remove "." from end of diagnostics.  Make diagnostics start with
3448         lowercase letter.
3449
3450 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
3451             Joseph S. Myers  <joseph@codesourcery.com>
3452
3453         * toplev.c (default_tree_printer): Handle setting location with
3454         '+' flag.
3455         * c-objc.common.c (c_tree_printer): Likewise.
3456         * c-format.c (gcc_diag_flag_specs): Add '+'.
3457         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3458         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3459         formats.
3460         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3461         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3462         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3463         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3464         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3465         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
3466         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
3467         format arguments where %J is used without %D.
3468
3469 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
3470
3471         * gcc.c (LINK_SSP_SPEC): Define.
3472         (link_ssp_spec): New variable.
3473         (LINK_COMMAND_SPEC): Add %(link_ssp).
3474         (static_specs): Add link_ssp_spec.
3475         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3476         * configure: Rebuilt.
3477         * config.in: Rebuilt.
3478
3479         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3480         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3481         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3482         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3483         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3484         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3485         -0x7008(2) instead of reading __stack_chk_guard variable.
3486         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3487         number.
3488         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3489         (stack_protect_set, stack_protect_test): Use *_tls* patterns
3490         if TARGET_THREAD_SSP_OFFSET is defined.
3491         (stack_tls_protect_set_si, stack_tls_protect_set_di,
3492         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3493
3494         Revert:
3495         2005-06-27  Richard Henderson  <rth@redhat.com>
3496         * libgcc-std.ver (GCC_4.1.0): New.
3497         * libgcc.h (__stack_chk_guard): Declare.
3498         (__stack_chk_fail, __stack_chk_fail_local): Declare.
3499         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3500         * mklibgcc.in (lib2funcs): Add them.
3501
3502 2005-07-01  Richard Henderson  <rth@redhat.com>
3503
3504         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3505         void * before struct sigcontext *.
3506         (x86_fallback_frame_state): Likewise.
3507
3508 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
3509
3510         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3511
3512 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3513
3514         PR tree-opt/22269
3515         * tree-ssa-reassoc.c (should_transpose): Fix which operand
3516         we check for SSA_NAME for.
3517
3518 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
3519
3520         Fix PR tree-optimization/22071
3521
3522         * tree-ssa-structalias.c (offset_overlaps_with_access): New
3523         function.
3524         (get_constraint_for_component_ref): Use it.
3525
3526 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3527
3528         PR other/22264
3529         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3530         print out the last new line.
3531
3532 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
3533
3534         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3535         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3536         * config/cris/cris.c (cris_conditional_register_usage): Adjust
3537         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3538         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3539         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3540         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3541         (enum reg_class): New member CC0_REGS.
3542         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3543         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3544         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3545         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3546         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3547         Adjust for register now described.
3548
3549 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
3550
3551         PR target/22262
3552         * config/i386/i386.md (stack_protect_test_si,
3553         stack_protect_test_di): Add earlyclobber for scratch 3.
3554         * config/rs6000/rs6000.md (stack_protect_testsi,
3555         stack_protect_testdi): Add earlyclobber for scratch 3,
3556         remove earlyclobber from scratch 4.
3557
3558 Older entries for 2005 can be found in ChangeLog-2005.