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