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Remove misleading use of the word "all".
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-28  James E Wilson  <wilson@specifixinc.com>
2
3         PR c/23106
4         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5
6 2005-07-28  Jan Hubicka  <jh@suse.cz>
7
8         * Makefile.in (rtl-profile.o): Kill all traces of it.
9         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
10         * coverage.h (rtl_coverage_counter_ref): Kill.
11         * opts.c (flag_speculative_prefetching_set): Kill.
12         (flag_loop_optimize_set): New.
13         (common_handle_option): Disable loop optimizer when profiling;
14         do not handle speculative prefetching.
15         * passes.c (init_optimization_passes): Replace pass_profiling combo
16         by branch_prob pass.
17         * profile.c (compute_value_histograms): Update for simplified value
18         profiles.
19         (rtl_register_profile_hooks): Kill.
20         (pass_profiling): Kill.
21         (rest_of_handle_branch_prob): Do not profile.
22         * toplev.c (process_options): Remove speculative prefetching.
23         * toplev.h (flag_tree_based_profiling): Kill.
24         * tree-profile.c (prepare_instrumented_value,
25         tree_gen_interval_profiler, tree_gen_pow2_profiler,
26         tree_gen_one_value_profiler, do_tree_profiling): Update for
27         simplified datastructures.
28         * value-prof.c: Add comment that speculative prefetching was dropped;
29         update rest of file for simplified datastructures.
30         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
31         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
32         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
33         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
34         rtl_mod_subtract, gen_speculative_prefetch,
35         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
36         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
37         (gate_handle_value_profile_transformations,
38         rest_of_handle_value_profile_transformations,
39         pass_value_profile_transformations): Kill.
40         * value-prof.h (histogram_value_t): Remove IL based unions.
41         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
42         rtl_profile_hooks): Remove hooks.
43
44         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
45
46         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
47         (cgraph_clone_node): Likewise.
48         * cgraph.h (cgraph_clone_edge): Update prototype.
49         (cgraph_clone_node): Likewise.
50         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
51         cgraph_clone_node.
52         (lookup_recursive_calls): Consider profile.
53         (cgraph_decide_recursive_inlining): Fix updating; use new
54         probability argument; use profile.
55         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
56         * tree-inline.c (copy_bb): Update clal of clone_edge.
57         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
58
59         * invoke.texi (min-inline-recursive-probability): Document.
60
61 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
62
63         * doc/install.texi (Configuration): Update Valgrind homepage.
64
65 2005-07-28  Richard Henderson  <rth@redhat.com>
66
67         PR middle-end/21362
68         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
69         labels we want to delete.
70         (cfg_layout_merge_blocks): Likewise.
71
72 2005-07-28  Richard Henderson  <rth@redhat.com>
73
74         PR target/17692
75         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
76         when expanding to nothing.
77
78 2005-07-28  Josh Conner  <jconner@apple.com>
79
80         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
81         (cgraph_decide_inlining_of_small_functions): Likewise.
82
83 2005-07-28  Josh Conner  <jconner@apple.com>
84
85         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
86         direction of badness if negative.
87         (cgraph_default_inline_p): Add reason to parameters, and assign it
88         a value.
89         (cgraph_decide_inlining_of_small_functions): New parameter in call
90         to cgraph_default_inline_p.
91         (cgraph_decide_inlining_incrementally): Likewise.
92         * cgraphunit.c (decide_is_function_needed): Likewise.
93         * cgraph.h (cgraph_default_inline_p): Likewise.
94
95 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
96
97         * builtins.c: Fix comment typo(s).
98         * genautomata.c: Likewise.
99         * gimplify.c: Likewise.
100         * tree-dfa.c: Likewise.
101         * tree-flow-inline.h: Likewise.
102         * tree-into-ssa.c: Likewise.
103         * tree-ssa-alias.c: Likewise.
104         * tree-ssa-ccp.c: Likewise.
105         * tree-ssa-copy.c: Likewise.
106         * tree-ssa-dce.c: Likewise.
107         * tree-ssa-dom.c: Likewise.
108         * tree-ssa-operands.c: Likewise.
109         * tree-tailcall.c: Likewise.
110         * tree-vectorizer.c: Likewise.
111         * tree-vrp.c: Likewise.
112         * tree.c: Likewise.
113
114 2005-07-28  Jeff Law  <law@redhat.com>
115
116         * tree-vrp.c (test_for_singularity): Extracted from  ...
117         (simplify_cond_using_ranges): Attempt to simplify a relational
118         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
119
120 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
121
122         PR tree-optimization/22506
123         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
124         phis whose argument is constant.
125
126 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
127
128         PR rtl-optimization/18992
129         Back out this patch:
130           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
131           PR optimization/12142
132           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
133           uses of the register in the SET_SRC.  Remove unnecessary argument.
134
135         Replace it with this:
136         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
137         if flag_non_call_exceptions is set and the insn may trap, pass
138         pc_rtx as dest for recursion.
139         In SET_SRC part of SET case, if dest is already set, pass it down
140         unchanged.
141
142 2005-07-28  Jan Hubicka  <jh@suse.cz>
143
144         * cfg.c (update_bb_profile_for_threading): Use RDIV.
145         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
146         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
147         roundoff errors.
148         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
149         profile when available.
150
151 2005-07-28  Jan Beulich <jbeulich@novell.com>
152
153         * config/ia64/ia64.c (ia64_load_pair_ok): New.
154         (ia64_print_operand): Describe and handle 'X'.
155         (ia64_register_move_cost): Also handle FP_REGS.
156         (ia64_preferred_reload_class): Likewise.
157         (ia64_secondary_reload_class): Likewise.
158         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
159         it. Also check for ITANIUM_CLASS_FLDP.
160         * config/ia64/ia64.h (FP_REGNO_P): New.
161         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
162         (reg_class): Add FP_REGS.
163         (REG_CLASS_NAMES): Adjust for it.
164         (REG_CLASS_CONTENTS): Likewise.
165         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
166         (REG_CLASS_FROM_LETTER): Handle 'x'.
167         (CLASS_MAX_NREGS): Handle FP_REGS.
168         (MEMORY_MOVE_COST): Likewise.
169         * config/ia64/ia64.md (itanium_class): Add fldp.
170         (type): Handle fldp.
171         (movti_internal): More allowable operand combinations. Use ldfp8 when
172         splitting unnecessary. Remove predicable attribute. Adjust
173         itanium_class attribute.
174         (smuldi3_highpart): Remove outdated comment.
175         (mulditi3, umulditi3, rotlti3): New expanders.
176         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
177         (absti2): Disabled new insn for future reference.
178         Respective new splitters.
179         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
180         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
181         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
182
183 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
184
185         PR rtl-optimization/23047
186         * simplify-rtx.c (simplify_const_relational_operation): Respect
187         flag_wrapv for comparisons with ABS.
188
189 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
190
191         PR tree-optimization/22493
192         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
193         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
194
195 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
196
197         * config/frv/frv.opt (moptimize-membar): New.
198
199         * doc/invoke.texi: Document -moptimize-membar and its inverse.
200
201         * config/frv/frv.h: Remove machine_function definition.
202
203         * config/frv/frv.c (struct frv_io): New.
204         (struct machine_function): Moved from frv.h.  Add has_membar_p.
205         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
206         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
207         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
208         (frv_optimize_membar_global, frv_optimize_membar): New functions.
209         (frv_reorg): Call frv_optimize_membar when appropriate.
210         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
211         (frv_expand_builtin): Adjust calls accordingly.
212         (frv_io_address_cookie): New function.
213         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
214         load or store rather than a special insn.  Add ccnstant address and
215         io-type operands to the membar.
216         (frv_ifcvt_modify_tests): Unsign regno.
217         (frv_ifcvt_modify_tests): Same.
218
219         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
220         UNSPEC_OPTIONAL_MEMBAR constant.
221         (builtin_read_<mode>): Delete.
222         (builtin_write_<mode>): Delete.
223         ("optional_membar_<mode>"): Add operand.
224
225         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
226         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
227         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
228         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
229         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
230         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
231         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
232         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
233         * testsuite/gcc.target/frv/all-read-write-1.c: New.
234
235 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
236
237         * df.c (df_uses_record): Handle SCRATCH.
238
239 2005-07-28  Steven Bosscher  <stevenb@suse.de>
240
241         PR debug/20161
242         * passes.c (rest_of_decl_compilation): If decl is a type and
243         we have encountered errors, don't emit debug information.
244
245 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
246
247         * params.def: Fixed comment.
248         
249 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
250
251         PR target/19885
252         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
253         (TARGET_ASM_UNALIGNED_HI_OP): Add.
254         (TARGET_ASM_UNALIGNED_SI_OP): Add.
255
256 2005-07-27  Steven Bosscher  <stevenb@suse.de>
257
258         PR c++/22003
259         * varasm.c (assemble_start_function): Don't do anything that may
260         require a CFG if the current function is a thunk.
261
262 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
263
264         * doc/install.texi (Prerequisites): Mention that perl is needed
265         to do export control in libstdc++ targetting Darwin.
266
267 2005-07-27  Steven Bosscher  <stevenb@suse.de>
268
269         PR rtl-optimization/17808
270         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
271         (sched_insns_conditions_mutex_p): Split out from...
272         (add_dependence): ...here.  But don't call it from here.
273         (add_dependence_list): Check sched_insns_conditions_mutex_p
274         before calling add_dependence.
275         (add_dependence_list_and_free): Likewise.
276         (fixup_sched_groups): Likewise.
277         (sched_analyze_1): Likewise.
278         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
279         (sched_analyze): Likewise.
280         (sched_analyze_insn): Likewise.
281         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
282         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
283         dependencies on all COND_EXEC insns to jumps ending basic blocks
284         when doing intrablock scheduling.
285         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
286
287 2005-07-27  Jeff Law  <law@redhat.com>
288
289         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
290         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
291         equivalency sets, correctly handle the case were vr0 has an
292         equivalency set, but vr1 does not.
293
294 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
295
296         PR tree-optimization/23073
297         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call 
298         vect_print_dump_info before fprintf.
299
300 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
301
302         PR tree-optimize/22348
303         * tree-ssa-loop-niter.c (number_of_iterations_cond):
304         Fold the partial computation.
305
306 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
307
308         PR tree-optimization/22325
309         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
310         Declare.
311         * tree-scalar-evolution.c (scev_const_prop): Add generic final
312         value replacement.
313         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
314         (force_var_cost): ... this function.
315         (compute_phi_arg_on_exit): Export.
316
317 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
318
319         PR tree-optimization/20773
320         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
321         edge.
322
323 2005-07-27  Richard Guenther  <rguenther@suse.de>
324
325         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
326         Avoid pushing again if current struct contains only
327         fields we decomposed.
328
329 2005-07-27  Jan Hubicka  <jh@suse.cz>
330
331         PR tree-optimization/22574
332         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
333         not available.
334
335         * tree-tailcall.c (decrease_profile): New function.
336         (eliminate_tail_call): Use it.
337
338         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
339         visibility flags correctly in whole program mode.
340
341 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
342
343         PR rtl-optimization/22472
344         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
345
346 2005-07-26  Steven Bosscher  <stevenb@suse.de>
347
348         PR tree-optimization/22504
349         * tree-complex.c (expand_complex_addition): Use 'code' instead
350         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
351
352 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
353
354         * config.gcc (cpu_type): Add frv case.
355         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
356         (supported_defaults): Add fr550 case.
357
358 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
359
360         PR 22591
361         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
362         whether a pointer of type T * may point to objects of type T *.
363
364 2005-07-26  DJ Delorie  <dj@redhat.com>
365
366         * configure: Regenerate.
367
368 2005-07-26  Dale Johannesen  <dalej@apple.com>
369
370         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
371
372 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
373
374         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
375         Clarify use of "build" in name.
376
377 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
378
379         * doc/extend.texi (Raw read/write Functions): New section.
380         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
381         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
382         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
383         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
384         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
385         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
386         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
387         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
388         * config/frv/frv.c: Add bdesc_loads global.
389         Add bdesc_stores global.
390         (frv_init_builtins): Add support for __builtin_{read/write}*.
391         (frv_volatile_memref): New.
392         (frv_expand_load_builtin): New.
393         (frv_expand_store_builtin): New.
394         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
395         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
396         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
397         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
398         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
399         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
400         (builtin_read_<mode>): New.
401         (builtin_write_<mode>): New.
402         (builtin_write64): New.
403         (optional_membar_<mode>): New.
404
405 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
406
407         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
408         (rather than units) against HOST_BITS_PER_WIDE_INT.
409
410 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
411
412         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
413         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
414         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
415         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
416         FSF address.
417
418         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
419         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
420         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
421         comment typos.
422         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
423
424 2005-07-26  Richard Guenther  <rguenther@suse.de>
425
426         PR tree-optimization/22486
427         * fold-const.c (fold_unary): Fold away useless component
428         references of the form (T *)&T.x, if the address
429         doesn't change.
430
431 2005-07-25  James E Wilson  <wilson@specifixinc.com>
432
433         * dwarf2out.c (add_call_src_coords_attributes): New.
434         (gen_inlined_subroutine_die): Call it.
435         (maybe_emit_file, init_file_table): Add comments.
436         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
437         maybe_emit_file.
438         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
439         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
440         * tree.h (BLOCK_SOURCE_LOCATION): New.
441         (struct tree_block): New field locus.
442
443 2005-07-26  Andreas Schwab  <schwab@suse.de>
444
445         PR rtl-optimization/23043
446         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
447         when allocating a struct unoccr.
448
449 2005-07-25  Richard Henderson  <rth@redhat.com>
450
451         PR 22626
452         * tree-complex.c (gate_no_optimization): True if errors.
453         * Makefile.in (tree-complex.o): Update dependencies.
454
455 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
456
457         * config/frv/predicates.md (integer_register_operand): Use
458         GPR_AP_OR_PSEUDO_P.
459
460 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
461
462         PR tree-opt/22484
463         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
464         after fold.
465         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
466
467 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
468
469         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
470         types when flag_unsafe_math_optimizations is true.
471
472 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
473
474         * gcc.c (option_map): Add --sysroot.
475         (process_command): Handle --sysroot.
476         (display_help): Document it.
477         * doc/cppopts.tex (-isysroot): Document.
478         * doc/invoke.texi (--sysroot): Document.
479         * doc/install.texi (--with-build-sysroot): Document.
480
481         * Makefile.in (inhibit_libc): New variable.
482         (INHIBIT_LIBC_CFLAGS): Likewise.
483         (LIBGCC2_CFLAGS): Include
484         $(INHIBIT_LIBC_CFLAGS).
485         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
486         ($(T)crtbegin.o): Do not use @inhibit_libc@.
487         ($(T)crtend.o): Likewise.
488         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
489         ($(T)crtendS.o): Likewise.
490         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
491         ($(T)crtendT.o): Likewise.
492         (stmp-fixinc): Do not complain about missing headers if
493         inhibit_libc.
494         * configure.ac (inhibit_libc): Set it to true/false.
495         (--with-build-sysroot): New option.  Use it to set
496         SYSTEM_HEADER_DIR. 
497         * configure: Regenerated.
498
499 2005-07-25  Manfred Hollstein  <mh@suse.com>
500
501         * calls.c (store_one_arg): Fix unsigned comparison warning.
502
503 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
504
505         PR other/22337
506         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
507         (ggc_print_statistics): Initialize variable before use.
508
509 2005-07-25  Richard Guenther  <rguenther@suse.de>
510
511         * tree-dfa.c (mark_new_vars_to_rename): Protect against
512         calling with a PHI_NODE argument.
513
514         * tree-flow-inline.h (overlap_subvar): Protect against
515         possible overflow.
516
517 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
518
519         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
520         * configure: Regenerate.
521
522 2005-07-25  Ira Rosen  <irar@il.ibm.com>
523
524         * expr.c (highest_pow2_factor): Make extern.
525         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
526         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
527         record_array_differ_p, array_ptr_differ_p): Likewise.
528         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
529         additional cases. Call the above functions.
530         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
531         base_object_differ_p when there are two base objects. Otherwise, compare
532         base address and offset. Call may_alias_p.
533         (dump_data_reference): Use a correct field name.
534         (analyze_array): Make static. Initialize new data-ref fields.
535         (analyze_indirect_ref): New function.
536         (init_data_ref): Initialize new data-ref fields.   
537         (strip_conversion): Moved from tree-vect-analyze.c. 
538         (analyze_offset_expr, get_ptr_offset, address_analysis,
539         object_analysis): Likewise.
540         (analyze_offset): New function.
541         (create_data_ref): Likewise.
542         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
543         dimensions for ARRAY_REFs only.
544         (build_classic_dist_vector): Make static.
545         (access_functions_are_affine_or_constant_p): Call macro to get the
546         address of access functions.
547         (compute_all_dependences): Add new parameter
548         compute_self_and_read_read_dependences. Compute self and read-read  
549         dependences if it is true.
550         (find_data_references_in_loop): Call create_data_ref. Initialize new
551         data-ref fields.
552         (compute_data_dependences_for_loop): Add new parameter
553         compute_self_and_read_read_dependences. Remove parameter nb_loops,
554         compute nb_loops. Call compute_all_dependences,
555         build_classic_dist_vector and build_classic_dir_vector with correct
556         parameters.
557         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
558         with correct parameters. Compare dimensions for ARRAY_REFs only.
559         (free_data_refs): Call macro to free access functions.
560         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
561         fields from stmt_vinfo.
562         (struct base_object_info): New structure.
563         (struct data_reference): Move fields to base_object_info. Add fields   
564         first_location and object_info for above structures. Move fields from
565         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
566         aligned_to.  Add macros to access the new fields.
567         Update functions declarations.
568         * tree-flow.h (is_aliased_with): Declare.
569         * tree-loop-linear.c (linear_transform_loops): Call
570         compute_data_dependences_for_loop with correct parameters.
571         * tree-ssa-alias.c (is_aliased_with): New function.
572         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
573         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
574         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
575         vect_base_addr_differ_p, compute_subscript_distance and
576         build_classic_dist_vector. Add printings. Check absolute value of
577         distance.
578         (vect_analyze_data_ref_dependences): Go through ddrs instead of
579         data-refs.
580         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
581         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
582         to bytes. Add printing.
583         (vect_compute_data_refs_alignment): Go through loads and stores in one
584         loop.
585         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
586         vect_analyze_data_ref_access): Likewise.
587         (vect_analyze_pointer_ref_access): Remove.
588         (vect_address_analysis, vect_object_analysis): Likewise.
589         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
590         and analyze data-refs in the loop.
591         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
592         fields of data-ref instead of stmt. Add init to the offset from the
593         base.
594         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
595         (vect_update_init_of_dr): Likewise.
596         (vect_update_inits_of_drs): Go through loads and stores in one loop.
597         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
598         removed fields.
599         (new_loop_vec_info): Initialize new fields.
600         (destroy_loop_vec_info): Free new fields.
601         (vect_strip_conversion): Remove.
602         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
603         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
604         datarefs. Add new field ddrs. 
605         Add macros for the new fields access.
606         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
607         base_aligned_p, misalignment, memtag, ptr_info and subvars.
608         Remove their macros.
609         * tree.h (highest_pow2_factor): Declare.
610
611 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
612
613         * calls.c (store_one_arg): Check for sibling call MEM arguments
614         from already clobbered incoming argument area.
615
616 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
617
618         * c-common.c (check_missing_format_attribute): New.
619         * c-common.h (check_missing_format_attribute): Likewise.
620         * c-typeck.c (convert_for_assignment): Use it.
621
622 2005-07-24  Andreas Schwab  <schwab@suse.de>
623
624         * config/m68k/m68k.md ("extendqidi2"): When source is an address
625         register use a word move.  Correct operand of ext.w in 68000 code.
626
627 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
628
629         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
630         variables as declarations, rather than definitions.
631
632 2005-07-24  Ira Rosen  <irar@il.ibm.com>
633
634         PR tree-optimization/22526
635         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
636         of the zero node.
637
638 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
639
640         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
641         that C99 reserve for future use. Use it to define clog10,
642         clog10f and clog10l.
643
644 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
645
646         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
647         * configure.ac: Check for -Wmissing-format-attribute.
648         
649         * configure: Regenerate.
650
651 2005-07-23  Richard Henderson  <rth@redhat.com>
652
653         PR tree-optimization/22623
654         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
655
656 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
657
658         PR target/22577
659         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
660
661 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
662
663         * Makefile.in (C_TREE_H): Update dependencies.
664         * c-tree.h: Include toplev.h.
665         * diagnostic.h (diagnostic_set_info): Add format attribute.
666         * rtl-error.c (diagnostic_for_asm): Likewise.
667
668 2005-07-23  Chao-ying Fu  <fu@mips.com>
669
670         * config/mips/mips-dsp.md: New file.
671         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
672         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
673         functions.
674         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
675         MIPS_BUILTIN_BPOSGE32.
676         (mips_expand_builtin_direct): Add one parameter to indicate that
677         builtin functions need to return a value.
678         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
679         functions.
680         (mips_regno_to_class): Add classes for 12 new DSP registers.
681         (mips_subword): Change to check four HI registers.
682         (mips_output_move): Output move to and from 6 new DSP accumulators.
683         (override_options): Make sure -mdsp and -mips16 are not used together.
684         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
685         for machine modes.
686         (mips_conditional_register_usage): Disable 6 new DSP accumulators
687         when !TARGET_DSP.
688         (print_operand): Add 'q' for printing DSP accumulators.
689         (mips_cannot_change_mode_class): Check ACC_REGS.
690         (mips_secondary_reload_class): Check ACC_REGS.
691         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
692         (mips_register_move_cost): Check ACC_REGS.
693         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
694         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
695         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
696         (dsp_bdesc): New array.
697         (bdesc_arrays): Add DSP builtin function table.
698         (mips_prepare_builtin_arg): Check predicate again after
699         copy_to_mode_reg.
700         (mips_expand_builtin): Add one more parameter to
701         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
702         MIPS_BUILTIN_BPOSGE32.
703         (mips_init_builtins): Initialize new function types.
704         (mips_expand_builtin_direct): Check if builtin functions need to
705         return a value and pass operands properly.
706         (mips_expand_builtin_bposge): New function.
707         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
708         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
709         (FIRST_PSEUDO_REGISTER): Increase to 188.
710         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
711         Update for 12 new DSP registers.
712         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
713         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
714         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
715         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
716         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
717         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
718         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
719         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
720         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
721         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
722         (REGISTER_NAMES): Add names for 12 new DSP registers.
723         * config/mips/mips.md: Include mips-dsp.md.
724         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
725         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
726         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
727         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
728         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
729         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
730         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
731         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
732         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
733         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
734         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
735         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
736         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
737         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
738         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
739         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
740         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
741         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
742         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
743         (UNSPEC_RDDSP): New constants.
744         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
745         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
746         A<-d alternative.
747         * config/mips/mips.opt (-mdsp): New option.
748         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
749         (reg_imm10_operand): New predicates.
750         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
751         * doc/invoke.texi (-mdsp): Document new option.
752
753 2005-07-22  DJ Delorie  <dj@redhat.com>
754
755         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
756         to warning calls.
757         * tree-inline.c (inlinable_function_p): Likewise.
758
759 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
760
761         PR debug/21828
762         * toplev.c (check_global_declarations): Do not mark undefined
763         variables as DECL_IGNORED_P.
764         * varasm.c (first_global_object_name): GTY it.
765         (weak_global_object_name): Likewise.
766         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
767         a string to go into {weak,first}_global_object_name.
768
769 2005-07-22  DJ Delorie  <dj@redhat.com>
770
771         * c-format.c (check_function_format): Change warning control
772         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
773
774 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
775
776         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
777         &PTR->FLD a dereference of PTR.
778         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
779         a potential dereference of PTR.
780
781 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
782
783         PR rtl-optimization/20370
784         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
785         call allocate_reg_info if necessary.
786
787         PR rtl-optimization/21848
788         * calls.c (emit_library_call_value_1): For const functions, add
789         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
790
791         PR rtl-optimization/22445
792         * cselib.c (target.h): Include.
793         (rtx_equal_for_cselib_p): Allow commutative matches.
794         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
795         Remove MODE parameter.  Changed all callers.
796
797         PR rtl-optimization/22258
798         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
799         New functions.
800         (try_combine): Use likely_spilled_retval_p.
801
802 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
803
804         * config.gcc: Add crx-elf support.
805
806         * doc/contrib.texi: Mention crx.
807         * doc/extend.texi: Document crx extensions.
808         * doc/install.texi: Document crx install.
809         * doc/invoke.texi: Document crx options.
810         * doc/md.texi: Document crx constraints.
811
812         * config/crx/crx-protos.h: New file.
813         * config/crx/crx.c: New file.
814         * config/crx/crx.h: New file.
815         * config/crx/crx.md: New file.
816         * config/crx/crx.opt: New file.
817         * config/crx/t-crx: New file.
818         
819 2005-07-22  Manfred Hollstein  <mh@suse.com>
820
821         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
822         warnings.
823         (int_add_graph_edge): Likewise.
824         (collapse_nodes): Likewise.
825         (process_unification_queue): Likewise.
826
827 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
828             Laurent GUERBY  <laurent@guerby.net>
829
830         PR tree-optimization/22336
831         * function.c (record_block_change): Check for 
832         cfun->ib_boundaries_block.
833         
834 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
835
836         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
837         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
838
839 2005-07-21  DJ Delorie  <dj@redhat.com>
840
841         * toplev.c (warn_deprecated_use): Add warning control to warning
842         call.
843         * c-typeck.c (parser_build_binary_op): Likewise.
844         (c_finish_if_stmt): Likewise.
845         * c-common.c (check_function_sentinel): Likewise.
846         (check_nonnull_arg): Likewise.
847
848 2005-07-21  Richard Henderson  <rth@redhat.com>
849
850         PR tree-opt/22504
851         * tree-complex.c (complex_ssa_name_components): New.
852         (cvc_lookup): Allow entry not found.
853         (create_components): Remove.
854         (create_one_component_var, get_component_var): New.
855         (get_component_ssa_name, set_component_ssa_name): New.
856         (extract_component): Use get_component_ssa_name.
857         (update_complex_components): Use set_component_ssa_name.
858         (update_complex_components_on_edge): Likewise.
859         (update_phi_components): Create new PHI nodes directly, instead
860         of adding insns to edges.
861         (tree_lower_complex): Allocate and free complex_variable_components
862         and complex_ssa_name_components here.
863
864 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
865         
866         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
867         revert to returning false.
868
869 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
870
871         PR target/21149
872         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
873
874 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
875
876         PR target/22576
877         * config/i386/i386.md (cmpxf): Change operand constraints
878         to "nonmemory_operand".
879
880 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
881
882         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
883
884 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
885
886         PR middle-end/21180
887         * fold-const.c (fold_build1): Add checksum for the operands.
888         (fold_build2): Likewise.        
889         (fold_build3): Likewise.
890
891 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
892
893         PR middle-end/19055
894         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
895
896 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
897
898         * common.opt (-fforward-propagate): Committed by mistake,
899         removed.
900
901 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
902
903         * reg-stack.c: Fix comment typo(s).
904         * tree-ssa-operands.c: Likewise.
905         * tree-vectorizer: Likewise.
906
907 2005-07-21  Nick Clifton  <nickc@redhat.com>
908
909         * config/sh/symbian.c: Replace C++ style line comments with C
910         style line comments.
911         (symbian_add_attribute): Do not use a ? operator on the LHS of
912         an assignment.
913         (sh_symbian_handle_dll_attribute): Change the type of the
914         method vector to "VEC(tree,gc)*" and use vector accessor
915         macros to walk over the elements.
916         (symbian_export_vtable_and_rtti_p): Likewise.
917         (symbian_class_needs_attribute_p): Likewise.
918
919 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
920
921         PR target/22085
922         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
923         initialize targetm.resolve_overloaded_builtin here.
924         (altivec_expand_overloaded_builtin): Make it non-static.
925         * config/rs6000/rs6000-protos.h
926         (altivec_expand_overloaded_builtin): New prototype.
927         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
928         targetm.resolve_overloaded_builtin here.
929         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
930
931 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
932             Zdenek Dvorak  <dvorakz@suse.cz>
933
934         PR tree-optimization/19210
935         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
936         New.
937         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
938         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
939         rely on unproven assumptions.
940         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
941         * tree-flow.h (number_of_iterations_exit): Add final parameter.
942         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
943         to number_of_iterations_exit.
944         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
945         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
946         * tree-ssa-loop-niter.c (find_loop_niter,
947         estimate_numbers_of_iterations_loop): Likewise.
948         (number_of_iterations_exit): Honor the new options.
949         * doc/invoke.texi (Wunsafe-loop-optimizations,
950         funsafe-loop-optimizations): Document them.
951
952 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
953
954         PR rtl-optimization/22167
955         * gcse.c (hoist_code): Fix hoist_exprs[] check.
956
957 2005-07-20  Adam Nemet  <anemet@lnxw.com>
958
959         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
960         __do_global_dtors_aux longcall.
961
962 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
963
964         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
965         (old_special_pred_table): Don't reference
966         SPECIAL_MODE_PREDICATES.
967         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
968         * config/arc/arc.h: Don't mention PREDICATE_CODES.
969         * config/sh/predicates.h: Don't mention
970         SPECIAL_MODE_PREDICATES.
971         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
972         Remove.
973
974 2005-07-20  DJ Delorie  <dj@redhat.com>
975
976         * config.gcc: Add m32c-elf support.
977
978         * doc/contrib.texi: Mention m32c.
979         * doc/extend.texi: Document m32c extensions.
980         * doc/install.texi: Mention m32c.
981         * doc/invoke.texi: Document m32c options.
982         * doc/md.texi: Document m32c constraints.
983
984         * config/m32c/addsub.md: New file.
985         * config/m32c/bitops.md: New file.
986         * config/m32c/cond.md: New file.
987         * config/m32c/jump.md: New file.
988         * config/m32c/m32c-lib1.S: New file.
989         * config/m32c/m32c-lib2.c: New file.
990         * config/m32c/m32c-modes.def: New file.
991         * config/m32c/m32c-pragma.c: New file.
992         * config/m32c/m32c-protos.h: New file.
993         * config/m32c/m32c.abi: New file.
994         * config/m32c/m32c.c: New file.
995         * config/m32c/m32c.h: New file.
996         * config/m32c/m32c.md: New file.
997         * config/m32c/m32c.opt: New file.
998         * config/m32c/minmax.md: New file.
999         * config/m32c/mov.md: New file.
1000         * config/m32c/muldiv.md: New file.
1001         * config/m32c/predicates.md: New file.
1002         * config/m32c/prologue.md: New file.
1003         * config/m32c/shift.md: New file.
1004         * config/m32c/t-m32c: New file.
1005
1006 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1007
1008         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1009         (stack_protect_set, stack_protect_test): New expanders.
1010         (stack_protect_set_si, stack_protect_set_si_media,
1011         stack_protect_set_di_media, stack_protect_test_si,
1012         stack_protect_test_si_media, stack_protect_test_di_media):
1013         New insns.
1014
1015 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
1016
1017         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1018
1019 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
1020
1021         * tree.h (tree_expr_nonzero_p): Export.
1022         * fold-const.c (tree_expr_nonzero_p): Likewise.
1023         Return true for CALL_EXPRs that are alloca calls.
1024         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1025         against zero.
1026         * tree-flow.h (expr_computes_nonzero): Remove.
1027         * tree-vrp.c (expr_computes_nonzero): Remove.
1028         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1029         (extract_range_from_unary_expr): Likewise.
1030         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1031         tree_expr_nonzero_p.
1032
1033 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1034
1035         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1036         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
1037         extra arg "picreg" and use it instead of pic_offset_table_rtx.
1038         All callers changed.
1039         (frame_related_constant_load): New arg "related" which controls
1040         setting of RTX_FRAME_RELATED_P.  All callers changed.
1041         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1042         (bfin_expand_prologue): Add stack limit checking.
1043         * config/bfin/bfin.md (trapifcc): New pattern.
1044
1045         * config/bfin/bfin.c: Include "langhooks.h".
1046         (def_builtin): Go through lang_hooks to call builtin_function.
1047
1048         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1049         * config/bfin/predicates.md (symbol_ref_operand): New.
1050         (call_insn_operand): Delete.  All callers changed to use
1051         register_no_elim_operand.
1052         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1053         call_cookie field.
1054         (function_arg): Use it to generate the call's operand 2.
1055         (bfin_longcall_p): New function.
1056         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
1057         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
1058         determine if the address needs to be in a REG.
1059         (bfin_handle_longcall_attribute): New function.
1060         (bfin_attribute_table): Add "longcall" and "shortcall".
1061         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1062         (CUMULATIVE_ARGS): New member call_cookie.
1063         (PREDICATE_CODES): Add symbol_ref_operand.
1064         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1065         extra USE to the pattern.
1066         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1067         New patterns, split off call_insn, sibcall_insn, call_value_insn and
1068         sibcall_value_insn; now the new patterns handle direct calls and the
1069         old ones indirect calls.
1070         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1071
1072 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
1073
1074         * doc/trouble.texi: Update section on handling of empty loops.
1075
1076 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
1077
1078         * config.gcc: Remove support for sparc-*-openbsd*,
1079         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1080         ns32k-*-netbsd*.
1081         * config.host: Remove support for i860-*-sysv4* as a host.
1082         * config/i860/*, config/ip2k/*, config/ns32k/*,
1083         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1084         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1085         mention obsolete ports.
1086
1087 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1088
1089         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1090         soft frame pointer.
1091         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1092         of frame_pointer_rtx.
1093         (sh_expand_epilogue): Likewise.
1094         (sh_set_return_address): Likewise.
1095         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1096         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
1097         offsets from FRAME_POINTER_REGNUM.
1098         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1099         (sh_register_names): Add initializer for sfp.
1100         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1101         (VALID_REGISTER_P): Likewise.
1102         (FIRST_PSEUDO_REGISTER): Update.
1103         (DWARF_FRAME_REGISTERS): Define.
1104         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1105         (HARD_FRAME_POINTER_REGNUM): Define.
1106         (FRAME_POINTER_REGNUM): Redefine.
1107         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1108         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
1109         from FRAME_POINTER_REGNUM.
1110         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1111         FRAME_POINTER_REGNUM.
1112         (REG_CLASS_CONTENTS): Add sfp.
1113         (REG_ALLOC_ORDER): Likewise.
1114         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
1115         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1116         of frame_pointer_rtx.
1117         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1118
1119 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
1120
1121         * fold-const.c (tree_expr_nonnegative_p): Only return true for
1122         ABS_EXPR when flag_wrapv is false because of INT_MIN.
1123         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1124         of an ABS_EXPR.
1125         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1126         ABS_EXPR<x>.
1127
1128 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
1129
1130         Make CONSTRUCTOR use VEC to store initializers.
1131         * c-common.c (complete_array_type): Update to cope with VEC in
1132         CONSTRUCTOR_ELTS.
1133         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1134         (pp_c_constructor_elts): New function.
1135         * c-pretty-print.h (pp_c_constructor_elts): Declare.
1136         * c-typeck.c (build_function_call, build_c_cast, digest_init,
1137         struct constructor_stack, struct initializer_stack,
1138         constructor_elements, push_init_level, pop_init_level,
1139         add_pending_init, find_init_member, output_init_element): Update to
1140         cope with VEC in CONSTRUCTOR_ELTS.
1141         * coverage.c (build_fn_info_value, build_ctr_info_value,
1142         build_gcov_info): Likewise.
1143         * expr.c (categorize_ctor_elements_1, store_constructor,
1144         expand_expr_real_1): Likewise.
1145         * fold-const.c (fold_ternary): Likewise.
1146         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1147         gimplify_init_constructor, gimplify_expr): Likewise.
1148         * tree-dump.c (dequeue_and_dump): Likewise.
1149         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1150         node.
1151         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1152         CONSTRUCTOR_ELTS.
1153         * tree-sra.c (generate_element_init_1): Likewise.
1154         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1155         * tree-ssa-operands.c (get_expr_operands): Likewise.
1156         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1157         * tree-vect-transform.c (vect_get_vec_def_for_operand):
1158         (get_initial_def_for_reduction): Likewise.
1159         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1160         value handle in annotations.
1161         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1162         tree_node_structure): Add support for constr_kind.
1163         (build_vector_from_ctor, build_constructor_single,
1164         build_constructor_from_list): New functions.
1165         (build_constructor): Update to take a VEC instead of a TREE_LIST.
1166         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1167         Update to cope with VEC in CONSTRUCTOR_ELTS.
1168         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1169         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1170         CONSTRUCTOR_APPEND_ELT): New macros.
1171         (struct constructor_elt, struct tree_constructor): New data types.
1172         (union tree_node): Add tree_constructor field.
1173         * treestruct.def: Define TS_CONSTRUCTOR.
1174         * varasm.c (const_hash_1, compare_constant, copy_constant,
1175         compute_reloc_for_constant, output_addressed_constants,
1176         initializer_constant_valid_p, output_constant,
1177         array_size_for_constructor, output_constructor): Update to cope with
1178         VEC in CONSTRUCTOR_ELTS.
1179         * vec.h (VEC_empty, VEC_copy): New macros.
1180
1181 2005-07-19  Devang Patel  <dpatel@apple.com>
1182
1183         * dbxout.c (dbxout_type): Check Objective-C++ lang.
1184         
1185 2005-07-19  Richard Henderson  <rth@redhat.com>
1186
1187         PR tree-opt/22278
1188         * gimplify.c (gimplify_expr): Use main variant type for the temp
1189         destination for a discarded volatile read.
1190         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1191         casts between non-void types that change volatility.
1192
1193 2005-07-15  DJ Delorie  <dj@redhat.com>
1194
1195         * toplev.h: Add comment about the first parameter for warning().
1196         * errors.h: Likewise.
1197
1198         * c.opt (Wpragmas): New.
1199         * doc/invoke.texi: Document it.
1200         
1201         * function.c (do_warn_unused_parameter): Add warning control to
1202         warning call.
1203         * c-decl.c (warn_if_shadowing): Likewise.
1204         * c-lex.c (cb_def_pragma): Likewise.
1205         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1206         (pop_alignment): Likewise.
1207         (handle_pragma_pack): Likewise.
1208         (apply_pragma_weak): Likewise.
1209         (handle_pragma_weak): Likewise.
1210         (handle_pragma_redefine_extname): Likewise.
1211         (add_to_renaming_pragma_list): Likewise.
1212         (handle_pragma_extern_prefix): Likewise.
1213         (maybe_apply_renaming_pragma): Likewise.
1214         (handle_pragma_visibility): Likewise.
1215         
1216         * config/c4x/c4x-c.c (BAD): Likewise.
1217         (c4x_parse_pragma): Likewise.
1218         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1219         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1220         (rs6000_pragma_longcall): Likewise.
1221         * config/v850/v850-c.c (pop_data_area): Likewise.
1222         (ghs_pragma_section): Likewise.
1223         (ghs_pragma_section): Likewise.
1224         (ghs_pragma_interrupt): Likewise.
1225         (ghs_pragma_starttda): Likewise.
1226         (ghs_pragma_startsda): Likewise.
1227         (ghs_pragma_startzda): Likewise.
1228         (ghs_pragma_endtda): Likewise.
1229         (ghs_pragma_endsda): Likewise.
1230         (ghs_pragma_endzda): Likewise.
1231
1232 2005-07-19  Danny Berlin <dberlin@dberlin.org>
1233             Kenneth Zadeck <zadeck@naturalbridge.com>
1234
1235         * Makefile.in: Removed tree-promote-statics.c
1236         * tree-promote-statics.c: Removed.
1237         * common.opt: Removed flag-promote-statics.
1238         * opts.c: Ditto.
1239         * passes.c: Removed tree-promote-statics pass. 
1240         * tree-pass.h: Ditto.
1241         * timevar.def: Removed TV_PROMOTE_STATICS.
1242
1243
1244 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
1245
1246         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1247         and *-*-freebsd9.
1248         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1249         
1250 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1251
1252         PR c/22476
1253         * c-common.c (check_function_arguments): Call
1254         'check_function_format' if either -Wformat or
1255         -Wmissing-format-attribute are specified.
1256         * c-format.c (check_function_format): Check -Wformat before
1257         calling 'check_format_info'.
1258         * c-opts.c (c_common_post_options): Don't warn for
1259         -Wmissing-format-attribute without -Wformat.
1260         * c-typeck.c (convert_for_assignment): Detect additional cases for
1261         -Wmissing-format-attribute.
1262         * doc/invoke.texi (-Wmissing-format-attribute): Document new
1263         behavior.
1264
1265 2005-07-19  Richard Guenther  <rguenther@suse.de>
1266
1267         * config/i386/i386.md (lrint<mode>2): Use temporary
1268         instead of clobbering non-existent memory.
1269
1270 2005-07-19  Nick Clifton  <nickc@redhat.com>
1271
1272         * config/avr/avr.c (legitimate_address_p): Fix debugging print
1273         statement to avoid displaying ASCII control characters.
1274
1275 2005-07-19  Ben Elliston  <bje@au.ibm.com>
1276
1277         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1278         * cfganal.c (find_edge_index): Ditto.
1279         * combine.c (combine_instructions): Ditto.
1280         * ddg.c (create_scc): Ditto.
1281         (find_successors): Ditto.
1282         (find_predecessors): Ditto.
1283         (find_nodes_on_paths): Ditto.
1284         (longest_simple_path): Ditto.
1285         * flow.c (update_life_info): Ditto.
1286         (count_or_remove_death_notes): Ditto.
1287         (clear_log_links): Ditto.
1288         * modulo-sched.c (generate_reg_moves): Ditto.
1289         (find_max_asap): Ditto.
1290         (find_max_hv_min_mob): Ditto.
1291         (find_max_dv_min_mob): Ditto.
1292         * sbitmap.c (sbitmap_first_set_bit): Ditto.
1293         * sched-rgn.c (extract_edgelst): Ditto.
1294         * tree-into-ssa.c (prepare_names_to_update): Ditto.
1295         (dump_update_ssa): Ditto.
1296         (ssa_names_to_replace) Ditto.
1297         (switch_virtuals_to_full_rewrite): Ditto.
1298         (update_ssa): Ditto.
1299         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1300
1301 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
1302
1303         Fix PR tree-optimization/22483
1304         
1305         * tree-complex.c (create_components): Use
1306         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1307         * tree-flow-inline.h (fill_referenced_var_vec): New function.
1308         * tree-flow.h (safe_referenced_var_iterator): New structure.
1309         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1310         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1311         safe_referenced_var iterator.
1312         (add_type_alias): Ditto.
1313
1314 2005-07-19  Steven Bosscher  <stevenb@suse.de>
1315
1316         * loop-init.c (rest_of_handle_loop2): Remove.
1317         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1318         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1319         (pass_rtl_loop_init, pass_rtl_loop_done,
1320         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1321         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1322         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1323         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1324         pass_tree_loop_done, and pass_tree_unswitch.
1325         (gate_loop): Rename to gate_tree_loop.
1326         * passes.c (init_optimization_passes): Update for renamed tree
1327         loop passes.  Add the new loop2 passes as subpasses of loop2.
1328         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1329         Update for the renamed tree loop passes.
1330
1331 2005-07-18  Ian Lance Taylor  <ian@airs.com>
1332
1333         PR middle-end/22057
1334         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1335         blocks when optimizing.
1336
1337 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
1338
1339         * common.opt (frename-registers): Initialize to 2.
1340         (fweb): Ditto.
1341         (fgcse-after-reload): Ditto.
1342         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1343         (process_options): Only change flag_web, flag_rename_registers,
1344         and flag_rerun_cse_after_loop if not explicitly set by user.
1345
1346 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1347
1348         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1349         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1350         in 64-bit mode the same as DImode in 32-bit mode.
1351         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1352         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1353         mode. Add new mode parameter. 
1354         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1355         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1356         x86_64_shift_adj): New expanders.
1357         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1358         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1359         insns.
1360         Respective new splitters. Use renamed shift splitter helpers in 32-bit
1361         DImode shift splitters.
1362         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1363         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1364         mode parameter.
1365
1366 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1367
1368         * i386.md (movdi_extzv_1): New.
1369         (zero_extendhidi2): Combine alternatives and never force use of
1370         REX64 prefix.
1371         (zero_extendqidi2): Likewise. Don't restrict input selection.
1372
1373 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1374
1375         Fix PR tree-optimization/22531
1376         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
1377          moment.
1378
1379 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1380
1381         * tree-promote-statics.c (pass_promote_statics): Change dump file
1382          name.
1383
1384 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1385
1386         * tree-optimize.c (init_tree_optimization_passes): Add
1387         pass_eliminate_useless_stores pass.
1388         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1389         * tree-ssa-pre.c (is_copy_stmt): New function.
1390         (follow_copies_till_vuse): Ditto.
1391         (do_eustores): Ditto.
1392         (gate_eustores): Ditto. 
1393         
1394 2005-07-16  Richard Henderson  <rth@redhat.com>
1395
1396         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1397
1398 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1399            Kenneth Zadeck <zadeck@naturalbridge.com>
1400
1401         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1402         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1403         ipa-type-escape.h, tree-promote-statics.c
1404         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1405         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
1406         tree-promote-statics.c: new files.
1407         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1408         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1409         int nonlocal_set_p, mark_constant_function): Deleted.
1410         (rest_of_handle_cfg): Removed call to mark_constant_function. 
1411         (nonoverlapping_component_refs_p): Added calls to support
1412         type based aliasing.    
1413         * tree-ssa-alias.c (may_alias_p,
1414         compute_flow_insensitive_aliasing): Ditto.
1415         * calls.c (flags_from_decl_or_type): Removed reference to
1416         cgraph_rtl_info. 
1417         * c-typeck.c (convert_arguments): Make builtins tolerant of having
1418         too many arguments.  This is necessary for Spec 2000.
1419         * cgraph.h (const_function, pure_function): Removed.
1420         * common.opt: Added "fipa-pure-const", "fipa-reference",  
1421         "fipa-type-escape", and "ftree-promote-static".
1422         * opts.c: Ditto.
1423         * passes.c: Added ipa and tree-promote-statics passes. 
1424         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1425         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1426         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1427         * tree-flow.h: Added exposed sra calls and addition of 
1428         reference_vars_info field for FUNCTION_DECLS.
1429         * tree-pass.h: Added passes.
1430         * tree-sra.c: (sra_init_cache): New function.
1431         (sra_insert_before, sra_insert_after) Made public.
1432         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1433         and made public.
1434         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1435         aliasing. (may_alias_p): Added code to use type escape analysis to
1436         improve alias sets.
1437         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1438         code to prune clobbers of static variables based on information
1439         produced in ipa-reference pass.  Changed call clobbering so that
1440         statics are not marked as clobbered if the call does not clobber
1441         them.
1442
1443 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
1444
1445         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1446         too.
1447
1448 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
1449
1450         * doc/install.texi (*-*-solaris2*): Document recommended version
1451         of GNU binutils and mention GNU linker problem on Solaris 10.
1452
1453 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
1454
1455         PR c/22421
1456         * c-decl.c (c_build_bitfield_integer_type): New function.
1457         (finish_struct): Call it.
1458         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1459
1460 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1461
1462         * c-typeck.c (digest_init): Call 'convert_for_assignment'
1463         before returning.
1464
1465 2005-07-16  Jan Hubicka  <jh@suse.cz>
1466
1467         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1468         (scale_bbs_frequencies_int): Watch roundoff errors.
1469         * predict.c (return_prediction): Initialize return_stmt.
1470
1471 2005-07-16  Jan Hubicka  <jh@suse.cz>
1472
1473         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1474         after RTL profiling.
1475
1476 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1477
1478         PR middle-end/22398
1479         * fold-const.c (build_range_check): Convert high/low to etype
1480         if we are only comparing against exp.
1481
1482 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1483
1484         Fix PR tree-optimization/22376
1485         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1486         special var here.
1487         (need_to_solve): New function.
1488         (compute_points_to_sets): Use it.
1489         
1490 2005-07-15  Jan Hubicka  <jh@suse.cz>
1491
1492         * cfg.c (update_bb_profile_for_threading): More diagnostic.
1493         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1494
1495 2005-07-15  Richard Guenther  <rguenther@suse.de>
1496
1497         * c-common.c (handle_flatten_attribute): New function.
1498         Add flatten function attribute.
1499         * doc/extend.texi: Document flatten function attribute.
1500         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1501         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1502         New functions.
1503         (cgraph_decide_inlining): Handle functions with flatten
1504         attribute.
1505
1506 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
1507
1508         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1509         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1510         UNSPEC_XCHG, UNSPEC_AND): New.
1511         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1512         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1513         * config/rs6000/sync.md (FETCHOP): New code macro.
1514         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1515         New code attrs.
1516         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1517         (sync_compare_and_swap<mode>): Same.
1518         (sync_lock_test_and_set<mode>): Same.
1519         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1520         for QImode and HImode, and not PPC405.
1521         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1522         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1523         (sync_<fetchop>{si,di}_internal): New.
1524         (sync_nand{si,di}_internal): New.
1525         (sync_old_<fetchop>{si,di}_internal): New.
1526         (sync_old_nand{si,di}_internal): New
1527         (sync_new_<fetchop>{si,di}_internal): New.
1528         (sync_new_nand{si,di}_internal): New.
1529         (atomic_and{si,di}): New.
1530         (sync_new_nand{si,di}_internal): New.
1531         (atomic_and{si,di}): New.
1532         (sync_add<mode>_internal): Delete.
1533         (sync_addshort_internal): Use unspec instead of unspec_volatile.
1534         (sync_sub<mode>_internal): Delte.
1535         (sync_subshort_internal): New.
1536         (sync_andsi_internal): Use unspec instead of unspec_volatile.
1537         (sync_anddi_internal): Delete.
1538         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1539         (sync_booldi_internal): Delete.
1540         (sync_boolc<mode>_internal): Delete.
1541         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1542         (sync_boolc<mode>_internal2): Delete.
1543         (sync_boolcc<mode>_internal): Delete.
1544         (isync, lwsync): Use unspec instead of unspec_volatile.
1545         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1546         Revert UNSPEC_VOLATILE.
1547         (rs6000_split_atomic_op): New.
1548         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1549
1550 2005-07-14  Eric Christopher  <echristo@redhat.com>
1551
1552         * config/mips/mips.c (mips_canonicalize_comparison): Cast
1553         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1554
1555 2005-07-14  Eric Christopher  <echristo@redhat.com>
1556
1557         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1558
1559 2005-07-14  Steven Bosscher  <stevenb@suse.de>
1560
1561         PR tree-optimization/22230
1562         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1563         the computation of the four cross productions for "range op range".
1564
1565 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
1566             Ulrich Weigand  <uweigand@de.ibm.com>
1567
1568         PR target/20126
1569         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1570         in some insn.
1571
1572 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1573
1574         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1575
1576 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
1577
1578         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1579
1580 2005-07-14  Richard Guenther  <rguenther@suse.de>
1581
1582         PR middle-end/22347
1583         * config/i386/i386-protos.h (ix86_function_value): Change
1584         prototype to match new target hook.
1585         * config/i386/i386.c (ix86_value_regno): Change prototype
1586         to take extra type argument.
1587         (TARGET_FUNCTION_VALUE): Define.
1588         (ix86_function_ok_for_sibcall): Pass extra argument to
1589         ix86_value_regno, check return slot rtx for exact match.
1590         (ix86_function_value): Take extra parameter.  Dispatch to
1591         ix86_value_regno with fndecl/fntype as provided.
1592         (ix86_value_regno): Handle extra type argument.
1593         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1594
1595         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1596         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1597         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1598         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1599         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1600
1601 2005-07-14  Richard Guenther  <rguenther@suse.de>
1602
1603         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1604         * calls.c (expand_call): Pass fntype to hard_function_value.
1605         (emit_library_call_value_1): Likewise.
1606         * explow.c: Include target.h.
1607         (hard_function_value): Take extra argument, the fntype.
1608         Use new target hook for function_value.
1609         * expr.h (hard_function_value): Change prototype.
1610         * function.c (aggregate_value_p): Pass 0 as fntype to
1611         hard_function_value.
1612         (assign_parms): Use new target hook for function_value.
1613         Pass 0 as fntype to hard_function_value.
1614         (expand_function_end): Likewise.
1615         * reg-stack.c: Include target.h.
1616         (stack_result): Use new target hook for function_value.
1617         * target-def.h: New target hook function_value.
1618         * target.h: Likewise.
1619         * targhooks.c (default_function_value): New function.
1620         * targhooks.h (default_function_value): Declare.
1621
1622 2005-07-13  Ian Lance Taylor  <ian@airs.com>
1623
1624         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1625
1626 2005-07-14  Jan Hubicka  <jh@suse.cz>
1627
1628         * tree-dfa.c (dump_variable): Use default_def function.
1629         * tree-ssa-alias.c (dump_points_to_info): Likewise.
1630         * tree-ssa.c (verify_use): Likewise.
1631         * tree-ssanames.c (release_ssa_name): Likewise.
1632         * tree-tailcall.c (eliminate_tail_call): Likewise.
1633         (tree_optimize_tail_calls_1): Likewise.
1634         * tree-vrp.c (get_value_range): Likewise.
1635
1636 2005-07-14  Ben Elliston  <bje@au.ibm.com>
1637
1638         * gcc.c (main): Compare language[0] with '*' when iterating over
1639         the infiles.
1640
1641 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1642
1643         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
1644         "s390_emit_compare".  Add handling of CCZ1mode.
1645         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
1646         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
1647         checking.
1648         (s390_branch_condition_mask): Add CCZ1mode handling.
1649         * config/s390/s390.md: ("seq", "*seq"): New pattern.
1650         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
1651         Use CCZ1mode instead of CCZmode.
1652         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
1653
1654 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1655
1656         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
1657         pattern.
1658         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
1659
1660 2005-07-13  Eric Christopher  <echristo@redhat.com>
1661
1662         * config/mips/mips.c (mips_canonicalize_comparison): New.
1663         (mips_emit_int_relational): Use.
1664
1665 2005-07-13  Eric Christopher  <echristo@redhat.com>
1666
1667         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1668         static extra parts.
1669         * config/s390/s390.md: Include tpf.md. Move tpf specific
1670         patterns...
1671         * config/s390/tpf.md: To here.
1672         * config/s390/s390.opt: Move tpf specific options...
1673         * config/s390/tpf.opt: to here. Add mmain option.
1674         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1675         * config/s390/tpf.h: Rewrite.
1676
1677 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1678
1679         * doc/tm.texi: Remove @xref{Cross-profiling}.
1680
1681 2005-07-13  Jeff Law  <law@redhat.com>
1682
1683         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
1684         expressions, test their _DECL operands for pointer equality rather
1685         than using operand_equal_p.
1686
1687 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1688
1689         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
1690         (TARGET_POSIX_IO): This.
1691         * config/darwin.h: Likewise.
1692         * config/freebsd.h: Likewise.
1693         * config/linux.h: Likewise.
1694         * config/lynx.h: Likewise.
1695         * config/netbsd.h: Likewise.
1696         * config/rs6000/linux64.h: Likewise.
1697         * config/rs6000/linux.h: Likewise.
1698         * config/s390/tpf.h: Likewise.
1699         * config/sh/embed-elf.h: Likewise.
1700         * config/sparc/linux64.h: Likewise.
1701         * config/sparc/linux.h: Likewise.
1702         * config/svr4.h: Likewise.
1703         * gcov-io.h: Likewise.
1704
1705         * doc/tm.texi: Updated.
1706
1707         * libgcov.c (create_file_directory): Defined only if
1708         TARGET_POSIX_IO is defined.
1709         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
1710         is defined.
1711
1712 2005-07-13  Jan Hubicka  <jh@suse.cz>
1713
1714         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
1715
1716 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
1717
1718         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
1719         structure as argument.
1720
1721 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
1722
1723         PR tree-optimization/21921
1724         * tree-iterator.c (tsi_link_before): Support the case when
1725         tsi_end_p (tsi) == true.
1726
1727 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1728
1729         PR tree-optimization/22442
1730         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
1731         correctly.
1732
1733 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1734
1735         PR rtl-optimization/20376
1736         * toplev.c (process_options): Enable -fweb and -frename-registers when
1737         unrolling.
1738         * doc/invoke.texi: Update the information about when -fweb and
1739         -frename-registers are enabled.
1740
1741 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1742
1743         PR tree-opt/21840
1744         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
1745         if *rhs_p is not a SSA_NAME.
1746
1747 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
1748         
1749         Fix PR tree-optimization/22422 
1750         * tree-ssa-structalias.c (struct variable_info): Add flag for
1751         special vars.
1752         (get_varinfo): Now a static function.
1753         (new_varinfo): init has_union and is_special_var to false.
1754         (solution_set_add): Check has_union.
1755         (do_da_constraint): Move temporary variable so it gets reset
1756         properly.
1757         Also check for special variable.
1758         (do_ds_constraint): Ditto.
1759         (do_sd_constraint): Ditto.
1760         (do_structure_copy): Check for special variable.
1761         (find_func_aliases): Ditto.
1762         (init_base_vars): Set special vars properly.    
1763
1764 2005-07-13  Jan Hubicka  <jh@suse.cz>
1765
1766         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
1767         do unit-at-a-time.
1768
1769         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
1770         (get_expr_operands): Fix thinko wrt flags and subvars.
1771
1772         PR tree-optimize/22379
1773         * tree-inline.c (expand_call_inline): Do not output sorry in early
1774         inlining.
1775
1776 2005-07-12  Dale Johannesen  <dalej@apple.com>
1777
1778         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
1779
1780 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1781
1782         PR bootstrap/21704
1783         * host-linux.h: Include limits.h.
1784
1785 2005-07-12  Dale Johannesen  <dalej@apple.com>
1786
1787         * expr.c (compress_float_constant):  Add cost check.
1788         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
1789
1790 2005-07-12  Dale Johannesen  <dalej@apple.com>
1791
1792         * gcc.target/i386/compress-float-sse.c:  New.
1793         * gcc.target/i386/compress-float-sse-pic.c:  New.
1794         * gcc.target/i386/compress-float-387.c:  New.
1795         * gcc.target/i386/compress-float-387-pic.c:  New.
1796         * gcc.dg/compress-float-ppc.c:  New.
1797         * gcc.dg/compress-float-ppc-pic.c:  New.
1798
1799 2005-07-12  Eric Christopher  <echristo@redhat.com>
1800
1801         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1802         static extra parts.
1803         * config/s390/s390.md: Include tpf.md. Move tpf specific
1804         patterns...
1805         * config/s390/tpf.md: To here.
1806         * config/s390/s390.opt: Move tpf specific options...
1807         * config/s390/tpf.opt: to here. Add mmain option.
1808         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1809         * config/s390/tpf.h: Rewrite.
1810
1811 2005-07-12  Eric Christopher  <echristo@redhat.com>
1812
1813         * gcc.c (struct infile): Update comment for language.
1814         (main): Rewrite input file resetting code.
1815
1816 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1817
1818         PR tree-opt/22335
1819         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1820         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
1821         (lookup_avail_expr): Use constant_boolean_node instead
1822         of boolean_false_node/boolean_true_node.
1823
1824 2005-07-12  Ben Elliston  <bje@au.ibm.com>
1825
1826         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1827         and use it when printing num_edges.
1828
1829 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1830
1831         * doc/extend.texi (Blackfin Built-in Functions): New section.
1832         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1833         @opindex.
1834
1835 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
1836
1837         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1838         s/cmpstrsi/cmpstrnsi
1839         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1840         'cmpstrnsi'.
1841         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1842         (init_optabs): Initialize cmpstrn_optab.
1843         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1844         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1845         * expr.c: (enum insn_code cmpstrn_optab): Declare.
1846         * config/i386/i386.md: s/cmpstr/cmpstrn
1847         * config/c4x/c4x.md: s/cmpstr/cmpstrn
1848         * doc/md.texi: Update documentation.
1849
1850 2005-07-11  Richard Henderson  <rth@redhat.com>
1851
1852         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1853         build_va_arg_indirect_ref.
1854         (alpha_gimplify_va_arg): Likewise.
1855         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1856         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1857         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1858         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1859         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1860         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1861         Likewise.
1862         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1863
1864 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1865
1866         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1867         * passes.c (init_optimization_passes): Add pass_empty_loop.
1868         * tree-pass.h (pass_empty_loop): Declare.
1869         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1870         try_remove_empty_loop, remove_empty_loops): New functions.
1871         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1872         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1873
1874 2005-07-12  Peter Barada  <peter@the-baradas.com>
1875
1876         PR middle-end/16719
1877         PR middle-end/18421
1878         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1879         in address registers.
1880         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1881         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1882         alternative of addsi3_5200.
1883
1884 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1885
1886         * config/mips/mips.md (ffs<mode>2): Remove.
1887
1888 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1889
1890         * doc/tree-ssa.texi (Cleanups): Improve description of
1891         TRY_FINALLY_EXPR.
1892         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1893
1894 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1895         
1896         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1897         * tree.h (DECL_ARGUMENT_FLD): New macro.
1898
1899 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1900         
1901         Fix PR tree-optimization/22404
1902
1903         * tree-ssa-structalias.c (create_variable_info_for): Use
1904         correct offset.
1905
1906 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1907
1908         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1909         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1910         for second comparison operand.
1911         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1912
1913         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1914         (define_insn_reservation "alu"): Likewise.
1915         (csync, ssync): Now of type sync.
1916         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1917         -mcsync-anomaly -mspecld-anomaly.
1918         * config/bfin/bfin.opt (mcsync): Remove.
1919         (mcsync-anomaly, mspecld-anomaly): Add.
1920         * config/bfin/bfin.c: Include "insn-codes.h".
1921         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1922         (TARGET_DEFAULT_TARGET_FLAGS): New.
1923         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1924
1925 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1926
1927         * basic-block.h: Give the BB flags enum a name, bb_flags.
1928         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1929         * cfgcleanup.c (enum bb_flags): Remove here.
1930         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1931         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1932         (update_forwarder_flag): Likewise.
1933         (thread_jump): Likewise.
1934         (try_forward_edges): Likewise.
1935         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1936         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1937         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1938
1939 2005-07-11  Richard Guenther  <rguenther@suse.de>
1940
1941         * config/i386/i386.opt: New target option -msseregparm.
1942         * config/i386/i386.c (override_options): Error out for
1943         -msseregparm but no SSE support.
1944         (ix86_function_sseregparm): Check for global sseregparm.
1945         * doc/invoke.texi: Document -msseregparm.
1946
1947 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1948
1949         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1950         (m32rle-*-linux*): Ditto.
1951
1952 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1953
1954         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1955         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1956         bytes.
1957
1958 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1959
1960         PR middle-end/22239
1961         PR target/20126
1962         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1963         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1964
1965 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1966
1967         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1968         (varmap): Heapify varmap.
1969         (constraints): Heapify constraints.
1970         (struct constraint_graph): Heapify succs and preds.
1971         (constraint_vec_find): Update for heapification.
1972         (constraint_set_union): Ditto.
1973         (insert_into_complex): Ditto.
1974         (constraint_edge_vec_find): Ditto.
1975         (erase_graph_self_edge): Ditto.
1976         (add_graph_edge): Ditto.
1977         (get_graph_weights): Ditto.
1978         (merge_graph_nodes): Ditto.
1979         (build_constraint_graph): Ditto.
1980         (topo_visit): Ditto.
1981         (solve_graph): Ditto.
1982         (create_variable_info_for): Ditto.
1983         (init_base_vars): Ditto.
1984         (delete_points_to_sets): Free graph, varmap, and complex constraints.
1985         (condese_varmap_nodes): Free complex vector.
1986         (clear_edges_for_node): Clear succs and preds vector.
1987
1988 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1989
1990         * tree-ssa-structalias.c (update_alias_info): Change counting of
1991         references to not include vdefs.
1992         
1993 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1994
1995         * tree-ssa-alias.c (free_used_part_map): Add missing free.
1996         (up_insert): Ditto.
1997
1998 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1999
2000         * pa.c (pa_commutative_p): Make PLUS commutative when
2001         TARGET_NO_SPACE_REGS is true.
2002
2003 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2004
2005         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2006         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2007         * tree-dfa.c (dump_subvars_for): New.
2008         (debug_subvars_for): New.
2009         (dump_variable): Show subvariables if VAR has them.
2010         * tree-flow-inline.h (get_subvar_at): New.
2011         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2012         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2013         Update all users.
2014         (struct subvar): Change fields offset and size to unsigned
2015         HOST_WIDE_INT.
2016         (dump_subvars_for): Declare.
2017         (debug_subvars_for): Declare.
2018         (get_subvar_at): Declare.
2019         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2020         to unsigned HOST_WIDE_INT *.
2021         (overlap_subvar): Likewise.
2022         * tree-gimple.c (is_gimple_reg): Always return false for
2023         SFTs and memory tags.
2024         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2025         Update all callers.
2026         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2027         (compute_may_aliases): Call compute_points_to_sets.
2028         (collect_points_to_info_for): Remove.
2029         (compute_points_to_and_addr_escape): Remove.
2030         (delete_alias_info): Call delete_points_to_sets.
2031         (compute_flow_sensitive_aliasing): If the call to
2032         find_what_p_points_to returns false, call set_pt_anything.
2033         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2034         (set_pt_anything): Clear pi->pt_vars.
2035         (set_pt_malloc): Remove.
2036         (merge_pointed_to_info): Remove.
2037         (add_pointed_to_expr): Remove.
2038         (add_pointed_to_var): Remove.
2039         (collect_points_to_info_r): Remove.
2040         (is_escape_site): Make extern.
2041         (create_sft): New.
2042         (create_overlap_variables_for): Call it.
2043         * tree-ssa-copy.c (merge_alias_info): Never merge
2044         flow-sensitive alias information.
2045         * tree-ssa-operands.c (get_expr_operands): Adjust variables
2046         offset and size to be unsigned HOST_WIDE_INT.
2047         (add_to_addressable_set): Rename from note_addressable.
2048         Set TREE_ADDRESSABLE as the variables are added to the set.
2049         Update all users.
2050         (add_stmt_operand): Do not try to micro-optimize unmodifiable
2051         operands into VUSEs when adding V_MAY_DEFs for members in an
2052         alias set.
2053         * tree-ssa-operands.h (add_to_addressable_set): Declare.
2054         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2055         (struct variable_info): Add bitfield is_heap_var.
2056         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2057         (new_var_info): Initialize is_heap_var.
2058         (get_constraint_for): Add HEAP variables to the symbol table.
2059         Mark them with is_heap_var.
2060         (update_alias_info): New.  Taken mostly from the old
2061         compute_points_to_and_addr_escape.
2062         (handle_ptr_arith): New.
2063         (find_func_aliases): Call update_alias_info.
2064         Call handle_ptr_info for tcc_binary expressions.
2065         Call mark_stmt_modified.
2066         (create_variable_info_for): If DECL has subvars, do not create
2067         variables for its subvars.  Always add all the fields.
2068         (set_uids_in_ptset): If the solution includes ANYOFFSET and
2069         SFTs, then add all the SFTs of the structure.
2070         If VI->DECL is an aggregate with subvariables, add the SFT at
2071         VI->OFFSET.
2072         (find_what_p_points_to): If VI is an artificial variable,
2073         translate to bitfields in SSA_NAME_PTR_INFO.
2074         If the solution is empty, set pi->pt_vars to NULL
2075         (init_base_vars): Create ANYOFFSET.
2076         (compute_points_to_sets): Rename from create_alias_vars.
2077         Make extern.
2078         (pass_build_pta): Remove.
2079         (delete_points_to_sets): Rename from delete_alias_vars.
2080         (pass_del_pta): Remove.
2081         * tree-ssa-structalias.h (struct alias_info): Move from
2082         tree-ssa-alias.h.
2083         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2084         NUM_REFERENCES_SET): Likewise.
2085         (compute_points_to_sets, delete_points_to_sets): Declare.
2086
2087 2005-07-09  Richard Henderson  <rth@redhat.com>
2088
2089         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2090         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2091         alpha_split_lock_test_and_set_12): New functions.
2092         * config/alpha/alpha-protos.h: Update.
2093         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2094         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2095         * config/alpha/sync.md (I12MODE): New.
2096         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2097         (sync_<fetchop_name><I48MODE>): Likewise.
2098         (sync_nand<I48MODE>): Likewise.
2099         (sync_old_<fetchop_name><I48MODE>): Likewise.
2100         (sync_new_<fetchop_name><I48MODE>): Likewise.
2101         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2102         (sync_compare_and_swap<I48MODE>): Likewise.
2103         (sync_lock_test_and_set<I48MODE>): Likewise.
2104         (sync_compare_and_swap<I12MODE>): New.
2105         (sync_compare_and_swap<I12MODE>_1): New.
2106         (sync_lock_test_and_set<I12MODE>): New.
2107         (sync_lock_test_and_set<I12MODE>_1): New.
2108
2109 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2110
2111         PR 21356
2112         PR 22332
2113         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2114
2115 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
2116
2117         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2118         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2119
2120 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
2121
2122         PR target/21656
2123         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2124
2125 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
2126
2127         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2128         memory_operand constraint.
2129         (store_conditional_<mode>): Same.
2130         (sync_compare_and_swap<mode>): Same.
2131         (sync_lock_test_and_set<mode>): Same.
2132
2133 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
2134
2135         Rewrite PIC support to more closely model actual instructions.
2136         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2137         (cris_symbol): Remove prototypes for removed functions.
2138         (cris_pic_symbol_type_of, cris_valid_pic_const)
2139         (cris_expand_pic_call_address): Prototypes for new functions.
2140         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2141         variable.
2142         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2143         modifiers.
2144         <case ':'>: Add case for new punctuation character.
2145         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2146         emitting (extra) PIC modifier.
2147         <case UNSPEC>: Do not assert for PLT.
2148         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2149         (cris_expand_prologue, cris_expand_epilogue): Check
2150         for pic_offset_table_rtx usage instead of taking
2151         current_function_uses_pic_offset_table as the final word.
2152         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2153         Remove flag_pic difference.
2154         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2155         the moral equivalents of...
2156         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2157         functions.
2158         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2159         (cris_handle_option): Mark ARG as unused.
2160         (cris_expand_pic_call_address): New worker function for "call",
2161         "call_value".
2162         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2163         output PIC constructs here.
2164         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2165         as symbol-specific modifers, not whole or part of operands.
2166         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2167         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2168         constants and flag_pic.
2169         (CONSTANT_INDEX_P): Adjust for new functions.
2170         (enum cris_pic_symbol_type): New helper type.
2171         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2172         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2173         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2174         define_constants.
2175         ("movsi"): Emit actual instructions for GOT and relative access.
2176         ("*movsi_got_load"): New pattern to set up the register holding
2177         the GOT pointer.
2178         ("*movsi_internal"): Operand 1 is not a plain general_operand.
2179         Adjust FIXME for 'S'.
2180         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2181         Use "movs" for -fpic cases.
2182         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2183         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2184         ("call", "call_value"): Just call cris_expand_pic_call_address for
2185         PIC addresses.
2186         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2187         Remove special pattern.
2188         ("*expanded_call_side", "*expanded_call_value_side"): New
2189         patterns.
2190         (gotplt-to-plt, gotplt-to-plt-side-call)
2191         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2192         peephole2:s.
2193         * config/cris/cris/predicates.md
2194         ("cris_general_operand_or_gotless_symbol"): Remove unused
2195         predicate.
2196         ("cris_general_operand_or_symbol"): Adjust for new functions.
2197
2198 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2199
2200         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2201
2202 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
2203
2204         * Makefile.in (TREE_H): Add treestruct.def.
2205         (c-decl.o): Add pointer-set.h
2206         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2207         visibility on regular DECL's.
2208         (merge_decls): Fix the copying of decl nodes of various types for
2209         the new structures.  Don't update RTL, section name, weak status,
2210         etc, on DECL's without RTL.     
2211         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2212         Don't check volatile on non-variable types.
2213         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2214         to check whether we have seen arguments.
2215         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2216         flag is checked before field (flag is common, field is not).    
2217         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
2218         TS_DECL_COMMON could have an origin.
2219         (add_location_or_const_value_attribute): Don't check section name
2220         on non-var/function decls.
2221         (dwarf2out_var_location): Reverse order of tests.
2222         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2223         with DECL_WRTL_CHECK.
2224         * expmed.c (make_tree): rtl is now in decl_with_rtl.
2225         * fold-const.c (fold_binary): Don't check weakness on
2226         non-var/function decls.
2227         (tree_expr_nonzero_p): Ditto.
2228         (fold_checksum_tree): Use tree_decl_extra as sizeof
2229         buffer.
2230         * ggc-page.c (extra_order_size_table): Add sizes for
2231         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
2232         tree_field_decl.
2233         * gimplify.c (gimplify_bind_expr): Only set
2234         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2235         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2236         without RTL.
2237         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2238         * langhooks.h (init_ts). New langhook.
2239         * passes.c (rest_of_decl_compilation): Reverse order of tests.
2240         * print-tree.c (print_node): Update to only print fields that
2241         exist in the structures the passed decl has.
2242         * toplev.c (wrapup_global_declarations): Don't reset
2243         DECL_DEFER_OUTPUT on DECL's that don't contain it.
2244         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2245         * tree-inline.c (remap_decl): Ditto.
2246         * tree-outof-ssa.c (create_temp): Reverse order of tests.
2247         * tree-pretty-print.c (print_declaration): Don't print
2248         DECL_REGISTER on things that don't contain it.
2249         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2250         non-var/function decls.
2251         * tree.c (tree_contains_struct): New structure.
2252         (init_priority_for_decl): New hashtable.
2253         (tree_int_map): New structure.
2254         (tree_int_map_eq): New function.
2255         (tree_int_map_marked_p): Ditto.
2256         (tree_int_map_hash): Ditto.
2257         (tree_map): Move to tree.h.
2258         (tree_map_eq): Externalize.
2259         (tree_map_hash): Ditto.
2260         (tree_map_marked_p): Ditto.
2261         (init_ttree): Set up tree_contains_struct and call langhook.
2262         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2263         (tree_code_size): Update for new structures.
2264         (tree_node_structure): Update for new structures.
2265         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2266         without the field.
2267         (copy_node_stat):  Copy init priority.
2268         (build_decl_stat): Ditto for visibility.
2269         (ts_enum_names): New.
2270         (tree_contains_struct_check_failed): New function.
2271         (decl_init_priority_lookup): Ditto.
2272         (decl_init_priority_insert): Ditto.
2273         * treestruct.def: New file.
2274         * tree.h (CODE_CONTAINS_STRUCT): New macro.
2275         (CONTAINS_STRUCT_CHECK): Ditto.
2276         (tree_contains_struct_check_failed): New prototype.
2277         (DECL_CHECK): Removed.
2278         (DECL_MINIMAL_CHECK): New.
2279         (DECL_COMMON_CHECK): Ditto.
2280         (DECL_WRTL_CHECK): Ditto.
2281         (DECL_NON_COMMON_CHECK): Ditto.
2282         (DECL_WITH_VIS_CHECK): Ditto.
2283         (VAR_OR_FUNCTION_DECL_P): Ditto
2284         (struct tree_decl_minimal): New structure.
2285         (struct tree_decl_common): Ditto.
2286         (struct tree_decl_with_rtl): Ditto.
2287         (struct tree_decl_with_vis): Ditto.
2288         (struct tree_decl_non_common): Ditto.
2289         (struct tree_field_decl): Ditto.
2290         (struct tree_parm_decl): Ditto.
2291         (struct tree_var_decl): Ditto.
2292         (struct tree_function_decl): Ditto.
2293         (struct tree_const_decl): Ditto.
2294         (struct tree_result_decl): Ditto.
2295         (union tree_node): Add new structures.
2296         * var-tracking.c (track_expr_p): Reverse order of tests.
2297         
2298         * doc/c-tree.texi: Add documentation on DECL node internal structure.
2299
2300 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2301
2302         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2303         * system.h: Poison FINALIZE_PIC.
2304         * doc/tm.texi (FINALIZE_PIC): Remove.
2305
2306 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2307
2308         PR tree-opt/22329
2309         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2310         to the correct type if we have a MODIFY_EXPR.
2311
2312 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2313
2314         PR tree-optimization/22360
2315         * tree.c (upper_bound_in_type): Fix calculations for casting
2316         to a non-wider signed type and casting a signed value to a
2317         wider unsigned type.
2318         (lower_bound_in_type): Fix calculations for casting to a
2319         non-wider signed type.
2320
2321         PR tree-optimization/20139
2322         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2323         release_defs.
2324         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2325         fold_cond_expr_cond.
2326         * tree-ssanames.c (release_defs): Assert in_ssa_p.
2327         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2328
2329 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2330
2331         PR tree-opt/22356
2332         * tree-complex.c (expand_complex_libcall): Produce
2333         REALPART_EXPR/IMAGPART_EXPR with the correct type.
2334
2335 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
2336
2337         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2338         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2339         b" assert and inserted fastpath code for this case.
2340         (bitmap_ior): Removed "a != b" assert.
2341
2342 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2343
2344         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2345         (ENDFILE_SPEC): Likewise.
2346         * config/m32r/m32r.h (ASM_SPEC): Likewise.
2347
2348         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2349         a large stack frame at epilogue.
2350
2351 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
2352
2353         * final.c: Include sdbout.h when required.
2354
2355 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
2356
2357         * config.gcc (*-*-darwin*): Only one target-specific header file
2358         for generic darwin.
2359         (powerpc-*-darwin*): Add version-specific header files.
2360         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2361         * config.in: Regenerate.
2362         * configure: Regenerate.
2363         * gcc.c: Include xregex.h.
2364         (version_compare_spec_function): New.
2365         (spec_function): Add version-compare.
2366         (replace_outfile_spec_function): Reformat comment.
2367         (compare_version_strings): New.
2368         * config/darwin-c.c (version_as_macro): New.
2369         (builtin_define): New.
2370         (darwin_cpp_builtins): New.
2371         * config/darwin-protos.h (darwin_cpp_builtins): New.
2372         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2373         (LIB_SPEC): Make unconditional, update comment.
2374         (TARGET_C99_FUNCTIONS): Define.
2375         * config/darwin.opt: Sort.
2376         (mmacosx-version-min=): New.
2377         * config/darwin7.h: Delete.
2378         * config/darwin8.h: Delete.
2379         * config/i386/darwin.h (): Call darwin_cpp_builtins.
2380         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2381         (TARGET_C99_FUNCTIONS): Define.
2382         * config/rs6000/darwin7.h: New.
2383         * config/rs6000/darwin8.h: New.
2384         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2385         (-mmacosx-version-min): Document.
2386
2387 2005-07-07  Ian Lance Taylor  <ian@airs.com>
2388
2389         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2390
2391 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
2392
2393         PR middle-end/22239
2394         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2395
2396 2005-07-07  Khem Raj  <kraj@mvista.com>
2397
2398         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2399         in bytes, not words.
2400
2401 2005-07-07  Paul Brook  <paul@codesourcery.com>
2402
2403         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2404         DEFAULT_FUNCTION_ARG_PADDING to upward.
2405
2406 2005-07-07  Richard Henderson  <rth@redhat.com>
2407
2408         * function.c (locate_and_pad_parm): Record parameter alignment in
2409         stack_alignment_needed.
2410
2411 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
2412
2413         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2414         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2415         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2416         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2417         (define_attr "type"): Add isync, sync, load_l, store_c.
2418         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2419         Create scratch volatile MEM.
2420         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
2421         sync.
2422         (load_locked_<mode>): New.
2423         (store_conditional_<mode>): New.
2424         (sync_compare_and_swap<mode>): Replace with splitter.
2425         (sync_lock_test_and_set<mode>): Replace with splitter.
2426         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2427         and UNSPECV_ISYNC.
2428         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
2429         is ics.  Attribute isync.
2430         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
2431         lwsync.
2432         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2433         and UNSPECV_SYNC_OP.
2434         (emit_unlikely_jump): New.
2435         (emit_load_locked): New.
2436         (emit_store_conditional): New.
2437         (rs6000_split_compare_and_swap): New.
2438         (rs6000_split_lock_test_and_set): New.
2439         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2440         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2441         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2442         rs6000_split_lock_test_and_set): Declare.
2443         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2444         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2445         store_c, isync, sync.
2446
2447 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
2448
2449         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2450         filenames to gtyp-gen.h.
2451         (s-typ-gen): Use it in place of for loops.
2452
2453 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
2454
2455         * hooks.c (hook_bool_rtx_int_false): New function.
2456         * hooks.h (hook_bool_rtx_int_false): Declare.
2457         * target-def.h (TARGET_COMMUTATIVE_P): Define.
2458         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2459         * target.h (struct gcc_target): Add commutative_p member.
2460         * targhooks.c (hook_bool_rtx_commutative_p): New function.
2461         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2462         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2463         (pa_commutative_p): New function.
2464         * jump.c (target.h): Include.
2465         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2466         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2467
2468 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2469
2470         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2471         (s390_expand_setmem): New.
2472         * config/s390/s390.c: Likewise. 
2473         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2474         Adapt comments.
2475         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2476         general_operand.  Call new function "s390_expand_setmem".
2477         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2478         ("setmem_long", "*setmem_long"): ... this.
2479
2480 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2481         
2482         * config/s390/s390.c: (optimization_options): Enable
2483         TARGET_MVCLE at -Os.
2484         * doc/invoke.texi: Document changes in default behaviour.
2485         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2486
2487 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2488
2489         * expr.c: (set_storage_via_setmem): Convert opchar to mode
2490         defined by back-end.
2491
2492 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
2493
2494         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2495         all sets in the pattern.
2496         * config/rs6000/rs6000.md (stack_protect_testsi,
2497         stack_protect_testdi): Likewise.
2498
2499 2005-07-06  Jeff Law  <law@redhat.com>
2500
2501         * tree-vrp.c (simplify_using_ranges): Kill.
2502         (vrp_finalize): Remove call to simplify_using_ranges.
2503         (simplify_stmt_using_ranges): New function extracted from
2504         simplify_using_ranges.
2505         (simplify_div_or_mod_using_ranges): Likewise.
2506         (simplify_abs_using_ranges): Likewise.
2507         (simplify_cond_using_ranges): New function.
2508         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2509         * tree-ssa-propagate.c (substitute_and_fold): Call
2510         simplify_stmt_using_ranges if we have range information.
2511
2512 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
2513
2514         * config/ia64/ia64.c (ia64_reorg): Check optimize before
2515         ia64_flag_schedule_isns2.
2516
2517         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2518         reading/writing general registers.
2519         (ia64_function_arg): Revert 2005-06-18 change.
2520
2521 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2522
2523         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2524         (legitimize_tls_address): Use gcc_unreachable instead of abort.
2525
2526 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2527
2528         * function.c (expand_function_end): Revert part of 2005-06-27
2529         patch.  Do sjlj_emit_function_exit_after after return_label.
2530
2531 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2532
2533         * doc/install.texi (--disable-libssp): New.
2534
2535 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
2536
2537         * doc/invoke.texi: Update -fforce-mem documentation.
2538         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
2539         code for -fforce-mem.
2540         * expmed.c: (store_bit_field,store_fixed_bit_field,
2541         extract_bit_field): Ditto.
2542         * expr.c: (convert_move): Ditto.
2543         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2544         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2545         emit_conditional_add,expand_float,expand_fix): Ditto.
2546         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2547         (common_handle_option): Issue warning when -fforce-mem specified.
2548
2549 2005-07-06  Paul Brook  <paul@codesourcery.com>
2550
2551         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2552         argument is empty.
2553         * configure: Regenerate.
2554
2555 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
2556
2557         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2558
2559 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
2560
2561         Fix PR tree-optimization/22319
2562         Fix PR tree-optimization/22140
2563         Fix PR tree-optimization/22310
2564
2565         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2566         variable sized types.
2567         Use correct type for intermediate structure on *a = *b structure
2568         copies.
2569                 
2570 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2571
2572         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2573         Remove.
2574         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2575         (machine_function): Move typedef to...
2576         * config/rs6000/rs6000.c (machine_function): ... here.  Add
2577         varargs_save_offset field.
2578         (rs6000_stack_t): Remove varargs_size field.
2579         (setup_incoming_varargs): Allocate varargs save area using
2580         assign_stack_local, try to make it as small as possible.
2581         Save offset from virtual_stack_vars_rtx to the save area
2582         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
2583         instead of magic 8 when fp word byte size is used.
2584         (rs6000_va_start): Use cfun->machine->varargs_save_offset
2585         instead of -RS6000_VARARGS_SIZE.
2586         (rs6000_stack_info, debug_stack_info,
2587         rs6000_initial_elimination_offset): Remove all traces of
2588         varargs_size.
2589         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2590         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2591         RS6000_VARARGS_AREA.
2592
2593 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
2594
2595         PR tree-optimization/21963
2596         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2597         constant_multiple_of in the same way get_computation_cost_at does.
2598
2599 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2600
2601         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2602         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2603         (gen_compare_reg): If sparc_compare_emitted is set, clear it
2604         and return its previous value.
2605         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2606         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2607         constants.
2608         (stack_protect_set, stack_protect_test): New expanders.
2609         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2610         stack_protect_testdi): New insns.
2611         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2612         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2613
2614 2005-07-06  Jeff Law  <law@redhat.com>
2615
2616         * tree-ssa-dce.c (cfg_altered): New global.
2617         (tree_dce_init): Initialize cfg_altered.
2618         (remove_dead_stmt): If we remove an edge in the CFG, then set
2619         CFG_ALTERED.
2620         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2621         the dominators.
2622
2623 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2624
2625         * Makefile.in (stamp-collect-ld): Use
2626         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
2627         ./collect-ld if it already exists.
2628         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2629         Don't remove ./nm if it already exists.
2630
2631 2005-07-05  Devang Patel  <dpatel@apple.com>
2632
2633         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2634         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2635         * tree-vectorizer.c (vect_loop_location): New.
2636         (vect_print_dump_info): Use vect_loop_location.
2637         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2638         (vectorize_loops): Set vect_loop_location.
2639         * tree-vect-analyze.c (vect_analyze_offset_expr, 
2640         vect_determin_vectorization_factor, vect_analyze_operations,
2641         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
2642         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
2643         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
2644         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
2645         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
2646         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
2647         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
2648         vect_analyze_loop): Adjust vect_print_dump_info API.
2649         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2650         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
2651         vect_finish_stmt_generation, vectorizable_assignment, 
2652         vectorizable_operation, vectorizable_store, vectorizable_load, 
2653         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
2654         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2655         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
2656         vect_transform_loop): Same.
2657         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
2658         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
2659         Same.
2660
2661 2005-07-05  Randolph Chung  <tausq@debian.org>
2662
2663         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
2664         * configure: Regenerate.
2665         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
2666         (pa_tls_referenced_p): Declare.
2667         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
2668         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
2669         (legitimize_tls_address): New.
2670         (hppa_legitimize_address): Handle TLS addresses.
2671         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
2672         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2673         (emit_move_sequence): Handle TLS addresses.
2674         (pa_encode_section_info): Call default handler to handle common 
2675         sections.
2676         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
2677         (CONSTANT_ADDRESS_P): Reject TLS operands.
2678         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
2679         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
2680         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
2681         (UNSPEC_TLSLE): Define new constants. 
2682         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
2683         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
2684         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
2685         (tie_symbolic_operand, tle_symbolic_operand): New
2686
2687 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
2688
2689         * aclocal.m4: Update macros for autoconf 2.59 style.
2690         * configure.ac: Likewise.
2691
2692 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2693
2694         * pa.c (function_value): Handle small aggregates on 32-bit targets.
2695         (function_arg): Pass small aggregates in general registers on 32-bit
2696         targets.
2697         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
2698
2699 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
2700
2701         * Makefile.in (final.o): Fix dependencies.
2702
2703 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2704
2705         PR c/22013
2706         PR c/22098
2707         * langhooks.h (struct lang_hooks): Add expr_to_decl.
2708         * langhooks.c (lhd_expr_to_decl): New.
2709         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
2710         New.
2711         (LANG_HOOKS_INITIALIZER): Update.
2712         * tree.c (recompute_tree_invarant_for_addr_expr): Call
2713         expr_to_decl langhook.
2714         * c-tree.h (c_expr_to_decl): Declare.
2715         * c-typeck.c (c_expr_to_decl): New.
2716         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
2717         specially.
2718         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
2719
2720 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2721
2722         PR c/22308
2723         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
2724         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
2725
2726 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
2727
2728         * Makefile.in: Adjust dependencies.
2729         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
2730         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
2731         * alias.c (rest_of_handle_cfg, pass_cfg): New.
2732         * bb-reorder.c (duplicate_computed_gotos): Make it static.
2733         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
2734         rest_of_compilation.
2735
2736         * bb-reorder.c (gate_duplicate_computed_gotos,
2737         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
2738         rest_of_handle_reorder_blocks, pass_reorder_blocks,
2739         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
2740         pass_partition_blocks): New.
2741         * bt-load.c (gate_handle_branch_target_load_optimize,
2742         rest_of_handle_branch_target_load_optimize,
2743         pass_branch_target_load_optimize): New.
2744         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
2745         pass_jump2): New.
2746         * cfglayout.c (pass_insn_locators_initialize): New.
2747         * cfgrtl.c (pass_free_cfg): New.
2748         * combine.c (gate_handle_combine, rest_of_handle_combine,
2749         pass_combine): New.
2750         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
2751         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
2752         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
2753         * except.c (pass_set_nothrow_function_flags,
2754         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
2755         pass_rtl_eh): New.
2756         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
2757         rest_of_handle_shorten_branches, pass_shorten_branches,
2758         rest_of_clean_state, pass_clean_state): New.
2759         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
2760         rest_of_handle_remove_death_notes, pass_remove_death_notes,
2761         rest_of_handle_life, pass_life, rest_of_handle_flow2,
2762         pass_flow2): New.
2763         * function.c (pass_instantiate_virtual_regs, pass_init_function,
2764         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
2765         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2766         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
2767         pass_gcse): New.
2768         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
2769         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
2770         pass_rtl_ifcvt, gate_handle_if_after_combine,
2771         rest_of_handle_if_after_combine, pass_if_after_combine,
2772         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
2773         pass_if_after_reload): New.
2774         * integrate.c (pass_initial_value_sets): New.
2775         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
2776         pass_purge_lineno_notes): New.
2777         * mode-switching.c (rest_of_handle_mode_switching,
2778         pass_mode_switching): New.
2779         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
2780         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
2781         pass_loop2): New.
2782         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
2783         pass_loop_optimize): New.
2784         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
2785         pass_sms): New.
2786         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
2787         pass_gcse2): New.
2788         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
2789         pass_postreload_cse): New.
2790         * profile.c (gate_handle_profiling, pass_profiling,
2791         rest_of_handle_branch_prob, pass_branch_prob): New.
2792         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
2793         pass_split_before_regstack, gate_handle_split_before_regstack,
2794         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2795         rest_of_handle_split_all_insns, pass_split_all_insns): New.
2796         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2797         pass_stack_regs): New.
2798         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2799         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2800         pass_stack_adjustments): New.
2801         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2802         pass_regrename): New.
2803         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2804         pass_delay_slots, gate_handle_machine_reorg,
2805         rest_of_handle_machine_reorg, pass_machine_reorg): New.
2806         * rtl.h (extern void purge_line_number_notes): New.
2807         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2808         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2809         pass_sched2): New.
2810         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2811         pass_tracer): New.
2812         * value-prof.c (gate_handle_value_profile_transformations,
2813         rest_of_handle_value_profile_transformations,
2814         pass_value_profile_transformations): New.
2815         * var-tracking.c (gate_handle_var_tracking,
2816         pass_variable_tracking): New.
2817         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2818
2819         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2820         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2821         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2822         rest_of_handle_old_regalloc, rest_of_handle_regrename,
2823         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2824         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2825         rest_of_handle_gcse2, rest_of_handle_regmove,
2826         rest_of_handle_tracer, rest_of_handle_if_conversion,
2827         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2828         rest_of_handle_web, rest_of_handle_branch_prob,
2829         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2830         rest_of_handle_jump_bypass, rest_of_handle_combine,
2831         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2832         rest_of_handle_gcse, rest_of_handle_loop_optimize,
2833         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2834         rest_of_handle_mode_switching, rest_of_handle_jump,
2835         rest_of_handle_eh, rest_of_handle_stack_adjustments,
2836         rest_of_handle_flow2, rest_of_handle_jump2,
2837         rest_of_handle_peephole2, rest_of_handle_postreload,
2838         rest_of_handle_shorten_branches, rest_of_clean_state,
2839         rest_of_compilation): Remove.
2840
2841         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2842         * passes.c (dump_flags, in_gimple_form, all_passes,
2843         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2844         register_dump_files, next_pass_1, last_verified, execute_todo,
2845         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2846         from tree-optimize.c.
2847         (init_optimization_passes): Moved from tree-optimize.c,
2848         adding the RTL optimizations.
2849         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2850         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2851         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2852         register_dump_files, next_pass_1, last_verified, execute_todo,
2853         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2854         init_tree_optimization_passes, ipa_passes): Delete.
2855         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2856         the RTL dumps.
2857         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2858         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2859         from tree.h.
2860         (ipa_passes): Remove.
2861         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2862         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2863         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2864         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2865         (dump_info_p, dump_flag): Moved to tree-dump.h.
2866         
2867         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2868         cgraph.c, opts.c.
2869         * passes.c (finish_optimization_passes): Use dump_begin
2870         and dump_end, TDI_end.
2871         (gate_rest_of_compilation): New.
2872         (pass_rest_of_compilation): Use it.
2873         (gate_postreload, pass_postreload): New.
2874         * toplev.c (general_init): Rename init_tree_optimization_passes.
2875         * toplev.h (init_tree_optimization_passes): Rename to
2876         init_optimizations_passes.
2877         * tree-dump.c (dump_flag): Make static.
2878         (dump_files): Remove RTL dumps.
2879         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2880         pass_cleanup_cfg, pass_free_cfg_annotations,
2881         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2882         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2883         * tree-pretty-print.c: Include tree-pass.h.
2884         * cgraph.c: Include tree-dump.h.
2885         
2886 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2887
2888         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2889         Only fall back to saying it points to readonly memory if
2890         we can't do better.
2891
2892 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2893
2894         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2895         * config/m32r/m32r.c (m32r_compute_frame_size,
2896         m32r_expand_prologue): Take current_function_profile into
2897         account whenever we reference
2898         current_function_uses_pic_offset_table.
2899         (m32r_finalize_pic): Remove.
2900         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2901
2902 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2903
2904         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2905         instead of $<.  Don't remove ./as if it already exists.
2906
2907 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2908
2909         PR target/21723
2910         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2911         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2912         for complex modes when generating code for PA 1.0.
2913         (VALID_FP_MODE_P): New macro.
2914         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2915         sets for all general and floating point modes.  Align wide floating
2916         point modes to even register boundaries to comply with architectural
2917         requirements.
2918         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2919         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2920         (VALID_FP_MODE_P): New macro.
2921         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2922         sets for all general and floating point modes.  Align wide floating
2923         point modes to even register boundaries to comply with architectural
2924         requirements.
2925
2926 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2927
2928         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2929         to 0.
2930
2931 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2932
2933         * tree-ssa-structalias.c: Don't include expr.h.
2934
2935 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2936
2937         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2938         comments.
2939
2940 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2941
2942         Fix PR tree-optimization/22279
2943         
2944         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2945         correct operator.
2946         
2947 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2948
2949         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2950
2951 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2952
2953         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2954         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2955         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2956         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2957         config/stormy16/stormy16.c, config/v850/v850.c,
2958         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2959         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2960         Avoid "." or "\n" at end of diagnostics and capital letters at
2961         start of diagnostics.
2962         * combine.c, cse.c: Don't translate dump file output.
2963         * toplev.c (print_version): Only translate output if going to
2964         stderr.
2965
2966 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2967
2968         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2969         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2970         typos.
2971
2972 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2973
2974         * pa.c (fix_range): Fix typo in comment.
2975
2976 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2977
2978         * tree-vrp.c (extract_range_from_assert): Replace
2979         fold (build (...)) with fold_build2.
2980
2981 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2982
2983         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2984         gcc_gfc_char_table, init_dynamic_gfc_info): New.
2985         (format_types_orig, handle_format_attribute): Add support for
2986         format "gcc_gfc".
2987
2988 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2989
2990         * varasm.c (assemble_variable): Fix format specifier thinko.
2991
2992 2005-07-03  Ira Rosen  <irar@il.ibm.com>
2993
2994         PR tree-optimization/22029 (and 22135)
2995         * tree-pretty-print.c (dump_generic_node): Check that the node is not
2996         a phi node before calling dump_vops.
2997
2998 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2999
3000         * tree-dump.h (dump_string_field): Declare.
3001         * tree-dump.c: Use it instead of dump_string.
3002         (dump_string_field): Make non-static.
3003
3004 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3005
3006         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3007         up the minimal CFG stuff always when optimize > 0.  Call
3008         split_all_insns_noflow in PIC case if needed.
3009
3010 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3011             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3012
3013         PR c++/18279
3014         * c-decl.c (c_write_global_declarations): Dump contents of
3015         external scope to.
3016         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3017         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3018         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3019         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3020         is enabled.
3021         
3022 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3023
3024         * c-common.h (GCC_DIAG_STYLE): Define.
3025         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
3026         version for format checking to 4.1.
3027         * c-format.c: Include toplev.h after c-common.h.
3028         (enum format_type): Add gcc_tdiag_format_type.
3029         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3030         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3031         (format_types_orig): Add gcc_tdiag.
3032         (init_dynamic_diag_info): Support gcc_tdiag formats.
3033         (handle_format_attribute): Likewise.
3034         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3035         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
3036         version for format checking to 4.1.
3037         (warning0, warning, error, pedwarn, sorry): Use
3038         ATTRIBUTE_GCC_DIAG.
3039         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3040         (finish_aliases_1): Do not use %qE.
3041         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3042         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3043         Correct format bugs.
3044         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3045         parameter to unsigned HOST_WIDE_INT.
3046         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3047
3048 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
3049
3050         PR middle-end/21742
3051         * expr.c (write_complex_part): Use adjust_address for MEM.
3052         (read_complex_part): Same.
3053
3054 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
3055
3056         Fix PR tree-optimization/22280
3057
3058         * tree-sra.c (generate_element_init): Remove useless loop.
3059
3060 2005-07-02  Richard Henderson  <rth@redhat.com>
3061
3062         * config/alpha/alpha.c (alpha_legitimize_address): Check for
3063         TLS_MODEL_NONE.
3064         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3065
3066 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
3067
3068         PR middle-end/14490
3069         * fold-const.c (fold_binary): Handle the return value of
3070         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3071         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3072
3073 2005-07-02  Jeff Law  <law@redhat.com>
3074
3075         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3076         a eliminate type conversion which feeds an equality comparison
3077         if the original type or either operand in the comparison is a
3078         function pointer.
3079
3080 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
3081
3082         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3083         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3084         texts.
3085         * config/avr/avr.c: Do not use '`' as left quote.
3086         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3087         Remove "." from end of diagnostics.  Make diagnostics start with
3088         lowercase letter.
3089
3090 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
3091             Joseph S. Myers  <joseph@codesourcery.com>
3092
3093         * toplev.c (default_tree_printer): Handle setting location with
3094         '+' flag.
3095         * c-objc.common.c (c_tree_printer): Likewise.
3096         * c-format.c (gcc_diag_flag_specs): Add '+'.
3097         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3098         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3099         formats.
3100         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3101         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3102         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3103         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3104         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3105         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
3106         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
3107         format arguments where %J is used without %D.
3108
3109 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
3110
3111         * gcc.c (LINK_SSP_SPEC): Define.
3112         (link_ssp_spec): New variable.
3113         (LINK_COMMAND_SPEC): Add %(link_ssp).
3114         (static_specs): Add link_ssp_spec.
3115         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3116         * configure: Rebuilt.
3117         * config.in: Rebuilt.
3118
3119         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3120         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3121         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3122         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3123         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3124         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3125         -0x7008(2) instead of reading __stack_chk_guard variable.
3126         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3127         number.
3128         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3129         (stack_protect_set, stack_protect_test): Use *_tls* patterns
3130         if TARGET_THREAD_SSP_OFFSET is defined.
3131         (stack_tls_protect_set_si, stack_tls_protect_set_di,
3132         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3133
3134         Revert:
3135         2005-06-27  Richard Henderson  <rth@redhat.com>
3136         * libgcc-std.ver (GCC_4.1.0): New.
3137         * libgcc.h (__stack_chk_guard): Declare.
3138         (__stack_chk_fail, __stack_chk_fail_local): Declare.
3139         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3140         * mklibgcc.in (lib2funcs): Add them.
3141
3142 2005-07-01  Richard Henderson  <rth@redhat.com>
3143
3144         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3145         void * before struct sigcontext *.
3146         (x86_fallback_frame_state): Likewise.
3147
3148 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
3149
3150         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3151
3152 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3153
3154         PR tree-opt/22269
3155         * tree-ssa-reassoc.c (should_transpose): Fix which operand
3156         we check for SSA_NAME for.
3157
3158 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
3159
3160         Fix PR tree-optimization/22071
3161
3162         * tree-ssa-structalias.c (offset_overlaps_with_access): New
3163         function.
3164         (get_constraint_for_component_ref): Use it.
3165
3166 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3167
3168         PR other/22264
3169         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3170         print out the last new line.
3171
3172 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
3173
3174         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3175         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3176         * config/cris/cris.c (cris_conditional_register_usage): Adjust
3177         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3178         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3179         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3180         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3181         (enum reg_class): New member CC0_REGS.
3182         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3183         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3184         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3185         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3186         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3187         Adjust for register now described.
3188
3189 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
3190
3191         PR target/22262
3192         * config/i386/i386.md (stack_protect_test_si,
3193         stack_protect_test_di): Add earlyclobber for scratch 3.
3194         * config/rs6000/rs6000.md (stack_protect_testsi,
3195         stack_protect_testdi): Add earlyclobber for scratch 3,
3196         remove earlyclobber from scratch 4.
3197
3198 Older entries for 2005 can be found in ChangeLog-2005.