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