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PR c/22240
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
2
3         PR c/22240
4         * c-typeck.c (convert_for_assignment): Do not check
5         DECL_IN_SYSTEM_HEADER on NULL fundecl.
6
7 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8
9         PR c/22192
10         * c-typeck.c (composite_type): Prefer constant size arrays to
11         VLAs.
12
13 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
14
15         PR c/21720
16         * real.c (real_from_string): Set last bit if there is a nonzero
17         hex digit beyond GCC's internal precision.
18
19 2005-07-28  Richard Henderson  <rth@redhat.com>
20
21         PR rtl-opt/22619
22         * cfgcleanup.c (try_forward_edges): Watch out for end of
23         insn chain.
24
25 2005-07-28  James E Wilson  <wilson@specifixinc.com>
26
27         PR c/23106
28         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
29
30 2005-07-28  Jan Hubicka  <jh@suse.cz>
31
32         * Makefile.in (rtl-profile.o): Kill all traces of it.
33         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
34         * coverage.h (rtl_coverage_counter_ref): Kill.
35         * opts.c (flag_speculative_prefetching_set): Kill.
36         (flag_loop_optimize_set): New.
37         (common_handle_option): Disable loop optimizer when profiling;
38         do not handle speculative prefetching.
39         * passes.c (init_optimization_passes): Replace pass_profiling combo
40         by branch_prob pass.
41         * profile.c (compute_value_histograms): Update for simplified value
42         profiles.
43         (rtl_register_profile_hooks): Kill.
44         (pass_profiling): Kill.
45         (rest_of_handle_branch_prob): Do not profile.
46         * toplev.c (process_options): Remove speculative prefetching.
47         * toplev.h (flag_tree_based_profiling): Kill.
48         * tree-profile.c (prepare_instrumented_value,
49         tree_gen_interval_profiler, tree_gen_pow2_profiler,
50         tree_gen_one_value_profiler, do_tree_profiling): Update for
51         simplified datastructures.
52         * value-prof.c: Add comment that speculative prefetching was dropped;
53         update rest of file for simplified datastructures.
54         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
55         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
56         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
57         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
58         rtl_mod_subtract, gen_speculative_prefetch,
59         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
60         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
61         (gate_handle_value_profile_transformations,
62         rest_of_handle_value_profile_transformations,
63         pass_value_profile_transformations): Kill.
64         * value-prof.h (histogram_value_t): Remove IL based unions.
65         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
66         rtl_profile_hooks): Remove hooks.
67
68         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
69
70         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
71         (cgraph_clone_node): Likewise.
72         * cgraph.h (cgraph_clone_edge): Update prototype.
73         (cgraph_clone_node): Likewise.
74         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
75         cgraph_clone_node.
76         (lookup_recursive_calls): Consider profile.
77         (cgraph_decide_recursive_inlining): Fix updating; use new
78         probability argument; use profile.
79         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
80         * tree-inline.c (copy_bb): Update clal of clone_edge.
81         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
82
83         * invoke.texi (min-inline-recursive-probability): Document.
84
85 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
86
87         * doc/install.texi (Configuration): Update Valgrind homepage.
88
89 2005-07-28  Richard Henderson  <rth@redhat.com>
90
91         PR middle-end/21362
92         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
93         labels we want to delete.
94         (cfg_layout_merge_blocks): Likewise.
95
96 2005-07-28  Richard Henderson  <rth@redhat.com>
97
98         PR target/17692
99         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
100         when expanding to nothing.
101
102 2005-07-28  Josh Conner  <jconner@apple.com>
103
104         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
105         (cgraph_decide_inlining_of_small_functions): Likewise.
106
107 2005-07-28  Josh Conner  <jconner@apple.com>
108
109         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
110         direction of badness if negative.
111         (cgraph_default_inline_p): Add reason to parameters, and assign it
112         a value.
113         (cgraph_decide_inlining_of_small_functions): New parameter in call
114         to cgraph_default_inline_p.
115         (cgraph_decide_inlining_incrementally): Likewise.
116         * cgraphunit.c (decide_is_function_needed): Likewise.
117         * cgraph.h (cgraph_default_inline_p): Likewise.
118
119 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
120
121         * builtins.c: Fix comment typo(s).
122         * genautomata.c: Likewise.
123         * gimplify.c: Likewise.
124         * tree-dfa.c: Likewise.
125         * tree-flow-inline.h: Likewise.
126         * tree-into-ssa.c: Likewise.
127         * tree-ssa-alias.c: Likewise.
128         * tree-ssa-ccp.c: Likewise.
129         * tree-ssa-copy.c: Likewise.
130         * tree-ssa-dce.c: Likewise.
131         * tree-ssa-dom.c: Likewise.
132         * tree-ssa-operands.c: Likewise.
133         * tree-tailcall.c: Likewise.
134         * tree-vectorizer.c: Likewise.
135         * tree-vrp.c: Likewise.
136         * tree.c: Likewise.
137
138 2005-07-28  Jeff Law  <law@redhat.com>
139
140         * tree-vrp.c (test_for_singularity): Extracted from  ...
141         (simplify_cond_using_ranges): Attempt to simplify a relational
142         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
143
144 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
145
146         PR tree-optimization/22506
147         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
148         phis whose argument is constant.
149
150 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
151
152         PR rtl-optimization/18992
153         Back out this patch:
154           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
155           PR optimization/12142
156           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
157           uses of the register in the SET_SRC.  Remove unnecessary argument.
158
159         Replace it with this:
160         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
161         if flag_non_call_exceptions is set and the insn may trap, pass
162         pc_rtx as dest for recursion.
163         In SET_SRC part of SET case, if dest is already set, pass it down
164         unchanged.
165
166 2005-07-28  Jan Hubicka  <jh@suse.cz>
167
168         * cfg.c (update_bb_profile_for_threading): Use RDIV.
169         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
170         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
171         roundoff errors.
172         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
173         profile when available.
174
175 2005-07-28  Jan Beulich <jbeulich@novell.com>
176
177         * config/ia64/ia64.c (ia64_load_pair_ok): New.
178         (ia64_print_operand): Describe and handle 'X'.
179         (ia64_register_move_cost): Also handle FP_REGS.
180         (ia64_preferred_reload_class): Likewise.
181         (ia64_secondary_reload_class): Likewise.
182         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
183         it. Also check for ITANIUM_CLASS_FLDP.
184         * config/ia64/ia64.h (FP_REGNO_P): New.
185         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
186         (reg_class): Add FP_REGS.
187         (REG_CLASS_NAMES): Adjust for it.
188         (REG_CLASS_CONTENTS): Likewise.
189         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
190         (REG_CLASS_FROM_LETTER): Handle 'x'.
191         (CLASS_MAX_NREGS): Handle FP_REGS.
192         (MEMORY_MOVE_COST): Likewise.
193         * config/ia64/ia64.md (itanium_class): Add fldp.
194         (type): Handle fldp.
195         (movti_internal): More allowable operand combinations. Use ldfp8 when
196         splitting unnecessary. Remove predicable attribute. Adjust
197         itanium_class attribute.
198         (smuldi3_highpart): Remove outdated comment.
199         (mulditi3, umulditi3, rotlti3): New expanders.
200         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
201         (absti2): Disabled new insn for future reference.
202         Respective new splitters.
203         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
204         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
205         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
206
207 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
208
209         PR rtl-optimization/23047
210         * simplify-rtx.c (simplify_const_relational_operation): Respect
211         flag_wrapv for comparisons with ABS.
212
213 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
214
215         PR tree-optimization/22493
216         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
217         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
218
219 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
220
221         * config/frv/frv.opt (moptimize-membar): New.
222
223         * doc/invoke.texi: Document -moptimize-membar and its inverse.
224
225         * config/frv/frv.h: Remove machine_function definition.
226
227         * config/frv/frv.c (struct frv_io): New.
228         (struct machine_function): Moved from frv.h.  Add has_membar_p.
229         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
230         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
231         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
232         (frv_optimize_membar_global, frv_optimize_membar): New functions.
233         (frv_reorg): Call frv_optimize_membar when appropriate.
234         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
235         (frv_expand_builtin): Adjust calls accordingly.
236         (frv_io_address_cookie): New function.
237         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
238         load or store rather than a special insn.  Add ccnstant address and
239         io-type operands to the membar.
240         (frv_ifcvt_modify_tests): Unsign regno.
241         (frv_ifcvt_modify_tests): Same.
242
243         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
244         UNSPEC_OPTIONAL_MEMBAR constant.
245         (builtin_read_<mode>): Delete.
246         (builtin_write_<mode>): Delete.
247         ("optional_membar_<mode>"): Add operand.
248
249         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
250         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
251         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
252         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
253         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
254         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
255         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
256         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
257         * testsuite/gcc.target/frv/all-read-write-1.c: New.
258
259 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
260
261         * df.c (df_uses_record): Handle SCRATCH.
262
263 2005-07-28  Steven Bosscher  <stevenb@suse.de>
264
265         PR debug/20161
266         * passes.c (rest_of_decl_compilation): If decl is a type and
267         we have encountered errors, don't emit debug information.
268
269 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
270
271         * params.def: Fixed comment.
272         
273 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
274
275         PR target/19885
276         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
277         (TARGET_ASM_UNALIGNED_HI_OP): Add.
278         (TARGET_ASM_UNALIGNED_SI_OP): Add.
279
280 2005-07-27  Steven Bosscher  <stevenb@suse.de>
281
282         PR c++/22003
283         * varasm.c (assemble_start_function): Don't do anything that may
284         require a CFG if the current function is a thunk.
285
286 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
287
288         * doc/install.texi (Prerequisites): Mention that perl is needed
289         to do export control in libstdc++ targetting Darwin.
290
291 2005-07-27  Steven Bosscher  <stevenb@suse.de>
292
293         PR rtl-optimization/17808
294         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
295         (sched_insns_conditions_mutex_p): Split out from...
296         (add_dependence): ...here.  But don't call it from here.
297         (add_dependence_list): Check sched_insns_conditions_mutex_p
298         before calling add_dependence.
299         (add_dependence_list_and_free): Likewise.
300         (fixup_sched_groups): Likewise.
301         (sched_analyze_1): Likewise.
302         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
303         (sched_analyze): Likewise.
304         (sched_analyze_insn): Likewise.
305         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
306         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
307         dependencies on all COND_EXEC insns to jumps ending basic blocks
308         when doing intrablock scheduling.
309         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
310
311 2005-07-27  Jeff Law  <law@redhat.com>
312
313         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
314         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
315         equivalency sets, correctly handle the case were vr0 has an
316         equivalency set, but vr1 does not.
317
318 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
319
320         PR tree-optimization/23073
321         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call 
322         vect_print_dump_info before fprintf.
323
324 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
325
326         PR tree-optimize/22348
327         * tree-ssa-loop-niter.c (number_of_iterations_cond):
328         Fold the partial computation.
329
330 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
331
332         PR tree-optimization/22325
333         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
334         Declare.
335         * tree-scalar-evolution.c (scev_const_prop): Add generic final
336         value replacement.
337         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
338         (force_var_cost): ... this function.
339         (compute_phi_arg_on_exit): Export.
340
341 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
342
343         PR tree-optimization/20773
344         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
345         edge.
346
347 2005-07-27  Richard Guenther  <rguenther@suse.de>
348
349         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
350         Avoid pushing again if current struct contains only
351         fields we decomposed.
352
353 2005-07-27  Jan Hubicka  <jh@suse.cz>
354
355         PR tree-optimization/22574
356         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
357         not available.
358
359         * tree-tailcall.c (decrease_profile): New function.
360         (eliminate_tail_call): Use it.
361
362         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
363         visibility flags correctly in whole program mode.
364
365 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
366
367         PR rtl-optimization/22472
368         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
369
370 2005-07-26  Steven Bosscher  <stevenb@suse.de>
371
372         PR tree-optimization/22504
373         * tree-complex.c (expand_complex_addition): Use 'code' instead
374         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
375
376 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
377
378         * config.gcc (cpu_type): Add frv case.
379         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
380         (supported_defaults): Add fr550 case.
381
382 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
383
384         PR 22591
385         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
386         whether a pointer of type T * may point to objects of type T *.
387
388 2005-07-26  DJ Delorie  <dj@redhat.com>
389
390         * configure: Regenerate.
391
392 2005-07-26  Dale Johannesen  <dalej@apple.com>
393
394         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
395
396 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
397
398         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
399         Clarify use of "build" in name.
400
401 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
402
403         * doc/extend.texi (Raw read/write Functions): New section.
404         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
405         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
406         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
407         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
408         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
409         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
410         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
411         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
412         * config/frv/frv.c: Add bdesc_loads global.
413         Add bdesc_stores global.
414         (frv_init_builtins): Add support for __builtin_{read/write}*.
415         (frv_volatile_memref): New.
416         (frv_expand_load_builtin): New.
417         (frv_expand_store_builtin): New.
418         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
419         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
420         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
421         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
422         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
423         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
424         (builtin_read_<mode>): New.
425         (builtin_write_<mode>): New.
426         (builtin_write64): New.
427         (optional_membar_<mode>): New.
428
429 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
430
431         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
432         (rather than units) against HOST_BITS_PER_WIDE_INT.
433
434 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
435
436         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
437         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
438         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
439         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
440         FSF address.
441
442         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
443         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
444         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
445         comment typos.
446         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
447
448 2005-07-26  Richard Guenther  <rguenther@suse.de>
449
450         PR tree-optimization/22486
451         * fold-const.c (fold_unary): Fold away useless component
452         references of the form (T *)&T.x, if the address
453         doesn't change.
454
455 2005-07-25  James E Wilson  <wilson@specifixinc.com>
456
457         * dwarf2out.c (add_call_src_coords_attributes): New.
458         (gen_inlined_subroutine_die): Call it.
459         (maybe_emit_file, init_file_table): Add comments.
460         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
461         maybe_emit_file.
462         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
463         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
464         * tree.h (BLOCK_SOURCE_LOCATION): New.
465         (struct tree_block): New field locus.
466
467 2005-07-26  Andreas Schwab  <schwab@suse.de>
468
469         PR rtl-optimization/23043
470         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
471         when allocating a struct unoccr.
472
473 2005-07-25  Richard Henderson  <rth@redhat.com>
474
475         PR 22626
476         * tree-complex.c (gate_no_optimization): True if errors.
477         * Makefile.in (tree-complex.o): Update dependencies.
478
479 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
480
481         * config/frv/predicates.md (integer_register_operand): Use
482         GPR_AP_OR_PSEUDO_P.
483
484 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
485
486         PR tree-opt/22484
487         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
488         after fold.
489         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
490
491 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
492
493         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
494         types when flag_unsafe_math_optimizations is true.
495
496 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
497
498         * gcc.c (option_map): Add --sysroot.
499         (process_command): Handle --sysroot.
500         (display_help): Document it.
501         * doc/cppopts.tex (-isysroot): Document.
502         * doc/invoke.texi (--sysroot): Document.
503         * doc/install.texi (--with-build-sysroot): Document.
504
505         * Makefile.in (inhibit_libc): New variable.
506         (INHIBIT_LIBC_CFLAGS): Likewise.
507         (LIBGCC2_CFLAGS): Include
508         $(INHIBIT_LIBC_CFLAGS).
509         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
510         ($(T)crtbegin.o): Do not use @inhibit_libc@.
511         ($(T)crtend.o): Likewise.
512         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
513         ($(T)crtendS.o): Likewise.
514         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
515         ($(T)crtendT.o): Likewise.
516         (stmp-fixinc): Do not complain about missing headers if
517         inhibit_libc.
518         * configure.ac (inhibit_libc): Set it to true/false.
519         (--with-build-sysroot): New option.  Use it to set
520         SYSTEM_HEADER_DIR. 
521         * configure: Regenerated.
522
523 2005-07-25  Manfred Hollstein  <mh@suse.com>
524
525         * calls.c (store_one_arg): Fix unsigned comparison warning.
526
527 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
528
529         PR other/22337
530         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
531         (ggc_print_statistics): Initialize variable before use.
532
533 2005-07-25  Richard Guenther  <rguenther@suse.de>
534
535         * tree-dfa.c (mark_new_vars_to_rename): Protect against
536         calling with a PHI_NODE argument.
537
538         * tree-flow-inline.h (overlap_subvar): Protect against
539         possible overflow.
540
541 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
542
543         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
544         * configure: Regenerate.
545
546 2005-07-25  Ira Rosen  <irar@il.ibm.com>
547
548         * expr.c (highest_pow2_factor): Make extern.
549         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
550         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
551         record_array_differ_p, array_ptr_differ_p): Likewise.
552         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
553         additional cases. Call the above functions.
554         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
555         base_object_differ_p when there are two base objects. Otherwise, compare
556         base address and offset. Call may_alias_p.
557         (dump_data_reference): Use a correct field name.
558         (analyze_array): Make static. Initialize new data-ref fields.
559         (analyze_indirect_ref): New function.
560         (init_data_ref): Initialize new data-ref fields.   
561         (strip_conversion): Moved from tree-vect-analyze.c. 
562         (analyze_offset_expr, get_ptr_offset, address_analysis,
563         object_analysis): Likewise.
564         (analyze_offset): New function.
565         (create_data_ref): Likewise.
566         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
567         dimensions for ARRAY_REFs only.
568         (build_classic_dist_vector): Make static.
569         (access_functions_are_affine_or_constant_p): Call macro to get the
570         address of access functions.
571         (compute_all_dependences): Add new parameter
572         compute_self_and_read_read_dependences. Compute self and read-read  
573         dependences if it is true.
574         (find_data_references_in_loop): Call create_data_ref. Initialize new
575         data-ref fields.
576         (compute_data_dependences_for_loop): Add new parameter
577         compute_self_and_read_read_dependences. Remove parameter nb_loops,
578         compute nb_loops. Call compute_all_dependences,
579         build_classic_dist_vector and build_classic_dir_vector with correct
580         parameters.
581         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
582         with correct parameters. Compare dimensions for ARRAY_REFs only.
583         (free_data_refs): Call macro to free access functions.
584         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
585         fields from stmt_vinfo.
586         (struct base_object_info): New structure.
587         (struct data_reference): Move fields to base_object_info. Add fields   
588         first_location and object_info for above structures. Move fields from
589         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
590         aligned_to.  Add macros to access the new fields.
591         Update functions declarations.
592         * tree-flow.h (is_aliased_with): Declare.
593         * tree-loop-linear.c (linear_transform_loops): Call
594         compute_data_dependences_for_loop with correct parameters.
595         * tree-ssa-alias.c (is_aliased_with): New function.
596         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
597         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
598         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
599         vect_base_addr_differ_p, compute_subscript_distance and
600         build_classic_dist_vector. Add printings. Check absolute value of
601         distance.
602         (vect_analyze_data_ref_dependences): Go through ddrs instead of
603         data-refs.
604         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
605         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
606         to bytes. Add printing.
607         (vect_compute_data_refs_alignment): Go through loads and stores in one
608         loop.
609         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
610         vect_analyze_data_ref_access): Likewise.
611         (vect_analyze_pointer_ref_access): Remove.
612         (vect_address_analysis, vect_object_analysis): Likewise.
613         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
614         and analyze data-refs in the loop.
615         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
616         fields of data-ref instead of stmt. Add init to the offset from the
617         base.
618         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
619         (vect_update_init_of_dr): Likewise.
620         (vect_update_inits_of_drs): Go through loads and stores in one loop.
621         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
622         removed fields.
623         (new_loop_vec_info): Initialize new fields.
624         (destroy_loop_vec_info): Free new fields.
625         (vect_strip_conversion): Remove.
626         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
627         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
628         datarefs. Add new field ddrs. 
629         Add macros for the new fields access.
630         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
631         base_aligned_p, misalignment, memtag, ptr_info and subvars.
632         Remove their macros.
633         * tree.h (highest_pow2_factor): Declare.
634
635 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
636
637         * calls.c (store_one_arg): Check for sibling call MEM arguments
638         from already clobbered incoming argument area.
639
640 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
641
642         * c-common.c (check_missing_format_attribute): New.
643         * c-common.h (check_missing_format_attribute): Likewise.
644         * c-typeck.c (convert_for_assignment): Use it.
645
646 2005-07-24  Andreas Schwab  <schwab@suse.de>
647
648         * config/m68k/m68k.md ("extendqidi2"): When source is an address
649         register use a word move.  Correct operand of ext.w in 68000 code.
650
651 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
652
653         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
654         variables as declarations, rather than definitions.
655
656 2005-07-24  Ira Rosen  <irar@il.ibm.com>
657
658         PR tree-optimization/22526
659         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
660         of the zero node.
661
662 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
663
664         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
665         that C99 reserve for future use. Use it to define clog10,
666         clog10f and clog10l.
667
668 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
669
670         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
671         * configure.ac: Check for -Wmissing-format-attribute.
672         
673         * configure: Regenerate.
674
675 2005-07-23  Richard Henderson  <rth@redhat.com>
676
677         PR tree-optimization/22623
678         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
679
680 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
681
682         PR target/22577
683         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
684
685 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
686
687         * Makefile.in (C_TREE_H): Update dependencies.
688         * c-tree.h: Include toplev.h.
689         * diagnostic.h (diagnostic_set_info): Add format attribute.
690         * rtl-error.c (diagnostic_for_asm): Likewise.
691
692 2005-07-23  Chao-ying Fu  <fu@mips.com>
693
694         * config/mips/mips-dsp.md: New file.
695         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
696         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
697         functions.
698         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
699         MIPS_BUILTIN_BPOSGE32.
700         (mips_expand_builtin_direct): Add one parameter to indicate that
701         builtin functions need to return a value.
702         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
703         functions.
704         (mips_regno_to_class): Add classes for 12 new DSP registers.
705         (mips_subword): Change to check four HI registers.
706         (mips_output_move): Output move to and from 6 new DSP accumulators.
707         (override_options): Make sure -mdsp and -mips16 are not used together.
708         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
709         for machine modes.
710         (mips_conditional_register_usage): Disable 6 new DSP accumulators
711         when !TARGET_DSP.
712         (print_operand): Add 'q' for printing DSP accumulators.
713         (mips_cannot_change_mode_class): Check ACC_REGS.
714         (mips_secondary_reload_class): Check ACC_REGS.
715         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
716         (mips_register_move_cost): Check ACC_REGS.
717         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
718         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
719         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
720         (dsp_bdesc): New array.
721         (bdesc_arrays): Add DSP builtin function table.
722         (mips_prepare_builtin_arg): Check predicate again after
723         copy_to_mode_reg.
724         (mips_expand_builtin): Add one more parameter to
725         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
726         MIPS_BUILTIN_BPOSGE32.
727         (mips_init_builtins): Initialize new function types.
728         (mips_expand_builtin_direct): Check if builtin functions need to
729         return a value and pass operands properly.
730         (mips_expand_builtin_bposge): New function.
731         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
732         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
733         (FIRST_PSEUDO_REGISTER): Increase to 188.
734         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
735         Update for 12 new DSP registers.
736         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
737         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
738         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
739         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
740         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
741         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
742         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
743         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
744         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
745         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
746         (REGISTER_NAMES): Add names for 12 new DSP registers.
747         * config/mips/mips.md: Include mips-dsp.md.
748         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
749         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
750         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
751         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
752         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
753         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
754         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
755         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
756         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
757         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
758         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
759         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
760         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
761         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
762         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
763         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
764         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
765         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
766         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
767         (UNSPEC_RDDSP): New constants.
768         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
769         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
770         A<-d alternative.
771         * config/mips/mips.opt (-mdsp): New option.
772         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
773         (reg_imm10_operand): New predicates.
774         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
775         * doc/invoke.texi (-mdsp): Document new option.
776
777 2005-07-22  DJ Delorie  <dj@redhat.com>
778
779         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
780         to warning calls.
781         * tree-inline.c (inlinable_function_p): Likewise.
782
783 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
784
785         PR debug/21828
786         * toplev.c (check_global_declarations): Do not mark undefined
787         variables as DECL_IGNORED_P.
788         * varasm.c (first_global_object_name): GTY it.
789         (weak_global_object_name): Likewise.
790         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
791         a string to go into {weak,first}_global_object_name.
792
793 2005-07-22  DJ Delorie  <dj@redhat.com>
794
795         * c-format.c (check_function_format): Change warning control
796         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
797
798 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
799
800         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
801         &PTR->FLD a dereference of PTR.
802         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
803         a potential dereference of PTR.
804
805 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
806
807         PR rtl-optimization/20370
808         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
809         call allocate_reg_info if necessary.
810
811         PR rtl-optimization/21848
812         * calls.c (emit_library_call_value_1): For const functions, add
813         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
814
815         PR rtl-optimization/22445
816         * cselib.c (target.h): Include.
817         (rtx_equal_for_cselib_p): Allow commutative matches.
818         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
819         Remove MODE parameter.  Changed all callers.
820
821         PR rtl-optimization/22258
822         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
823         New functions.
824         (try_combine): Use likely_spilled_retval_p.
825
826 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
827
828         * config.gcc: Add crx-elf support.
829
830         * doc/contrib.texi: Mention crx.
831         * doc/extend.texi: Document crx extensions.
832         * doc/install.texi: Document crx install.
833         * doc/invoke.texi: Document crx options.
834         * doc/md.texi: Document crx constraints.
835
836         * config/crx/crx-protos.h: New file.
837         * config/crx/crx.c: New file.
838         * config/crx/crx.h: New file.
839         * config/crx/crx.md: New file.
840         * config/crx/crx.opt: New file.
841         * config/crx/t-crx: New file.
842         
843 2005-07-22  Manfred Hollstein  <mh@suse.com>
844
845         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
846         warnings.
847         (int_add_graph_edge): Likewise.
848         (collapse_nodes): Likewise.
849         (process_unification_queue): Likewise.
850
851 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
852             Laurent GUERBY  <laurent@guerby.net>
853
854         PR tree-optimization/22336
855         * function.c (record_block_change): Check for 
856         cfun->ib_boundaries_block.
857         
858 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
859
860         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
861         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
862
863 2005-07-21  DJ Delorie  <dj@redhat.com>
864
865         * toplev.c (warn_deprecated_use): Add warning control to warning
866         call.
867         * c-typeck.c (parser_build_binary_op): Likewise.
868         (c_finish_if_stmt): Likewise.
869         * c-common.c (check_function_sentinel): Likewise.
870         (check_nonnull_arg): Likewise.
871
872 2005-07-21  Richard Henderson  <rth@redhat.com>
873
874         PR tree-opt/22504
875         * tree-complex.c (complex_ssa_name_components): New.
876         (cvc_lookup): Allow entry not found.
877         (create_components): Remove.
878         (create_one_component_var, get_component_var): New.
879         (get_component_ssa_name, set_component_ssa_name): New.
880         (extract_component): Use get_component_ssa_name.
881         (update_complex_components): Use set_component_ssa_name.
882         (update_complex_components_on_edge): Likewise.
883         (update_phi_components): Create new PHI nodes directly, instead
884         of adding insns to edges.
885         (tree_lower_complex): Allocate and free complex_variable_components
886         and complex_ssa_name_components here.
887
888 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
889         
890         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
891         revert to returning false.
892
893 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
894
895         PR target/21149
896         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
897
898 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
899
900         PR target/22576
901         * config/i386/i386.md (cmpxf): Change operand constraints
902         to "nonmemory_operand".
903
904 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
905
906         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
907
908 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
909
910         PR middle-end/21180
911         * fold-const.c (fold_build1): Add checksum for the operands.
912         (fold_build2): Likewise.        
913         (fold_build3): Likewise.
914
915 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
916
917         PR middle-end/19055
918         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
919
920 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
921
922         * common.opt (-fforward-propagate): Committed by mistake,
923         removed.
924
925 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
926
927         * reg-stack.c: Fix comment typo(s).
928         * tree-ssa-operands.c: Likewise.
929         * tree-vectorizer: Likewise.
930
931 2005-07-21  Nick Clifton  <nickc@redhat.com>
932
933         * config/sh/symbian.c: Replace C++ style line comments with C
934         style line comments.
935         (symbian_add_attribute): Do not use a ? operator on the LHS of
936         an assignment.
937         (sh_symbian_handle_dll_attribute): Change the type of the
938         method vector to "VEC(tree,gc)*" and use vector accessor
939         macros to walk over the elements.
940         (symbian_export_vtable_and_rtti_p): Likewise.
941         (symbian_class_needs_attribute_p): Likewise.
942
943 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
944
945         PR target/22085
946         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
947         initialize targetm.resolve_overloaded_builtin here.
948         (altivec_expand_overloaded_builtin): Make it non-static.
949         * config/rs6000/rs6000-protos.h
950         (altivec_expand_overloaded_builtin): New prototype.
951         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
952         targetm.resolve_overloaded_builtin here.
953         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
954
955 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
956             Zdenek Dvorak  <dvorakz@suse.cz>
957
958         PR tree-optimization/19210
959         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
960         New.
961         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
962         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
963         rely on unproven assumptions.
964         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
965         * tree-flow.h (number_of_iterations_exit): Add final parameter.
966         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
967         to number_of_iterations_exit.
968         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
969         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
970         * tree-ssa-loop-niter.c (find_loop_niter,
971         estimate_numbers_of_iterations_loop): Likewise.
972         (number_of_iterations_exit): Honor the new options.
973         * doc/invoke.texi (Wunsafe-loop-optimizations,
974         funsafe-loop-optimizations): Document them.
975
976 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
977
978         PR rtl-optimization/22167
979         * gcse.c (hoist_code): Fix hoist_exprs[] check.
980
981 2005-07-20  Adam Nemet  <anemet@lnxw.com>
982
983         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
984         __do_global_dtors_aux longcall.
985
986 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
987
988         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
989         (old_special_pred_table): Don't reference
990         SPECIAL_MODE_PREDICATES.
991         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
992         * config/arc/arc.h: Don't mention PREDICATE_CODES.
993         * config/sh/predicates.h: Don't mention
994         SPECIAL_MODE_PREDICATES.
995         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
996         Remove.
997
998 2005-07-20  DJ Delorie  <dj@redhat.com>
999
1000         * config.gcc: Add m32c-elf support.
1001
1002         * doc/contrib.texi: Mention m32c.
1003         * doc/extend.texi: Document m32c extensions.
1004         * doc/install.texi: Mention m32c.
1005         * doc/invoke.texi: Document m32c options.
1006         * doc/md.texi: Document m32c constraints.
1007
1008         * config/m32c/addsub.md: New file.
1009         * config/m32c/bitops.md: New file.
1010         * config/m32c/cond.md: New file.
1011         * config/m32c/jump.md: New file.
1012         * config/m32c/m32c-lib1.S: New file.
1013         * config/m32c/m32c-lib2.c: New file.
1014         * config/m32c/m32c-modes.def: New file.
1015         * config/m32c/m32c-pragma.c: New file.
1016         * config/m32c/m32c-protos.h: New file.
1017         * config/m32c/m32c.abi: New file.
1018         * config/m32c/m32c.c: New file.
1019         * config/m32c/m32c.h: New file.
1020         * config/m32c/m32c.md: New file.
1021         * config/m32c/m32c.opt: New file.
1022         * config/m32c/minmax.md: New file.
1023         * config/m32c/mov.md: New file.
1024         * config/m32c/muldiv.md: New file.
1025         * config/m32c/predicates.md: New file.
1026         * config/m32c/prologue.md: New file.
1027         * config/m32c/shift.md: New file.
1028         * config/m32c/t-m32c: New file.
1029
1030 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1031
1032         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1033         (stack_protect_set, stack_protect_test): New expanders.
1034         (stack_protect_set_si, stack_protect_set_si_media,
1035         stack_protect_set_di_media, stack_protect_test_si,
1036         stack_protect_test_si_media, stack_protect_test_di_media):
1037         New insns.
1038
1039 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
1040
1041         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
1042
1043 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
1044
1045         * tree.h (tree_expr_nonzero_p): Export.
1046         * fold-const.c (tree_expr_nonzero_p): Likewise.
1047         Return true for CALL_EXPRs that are alloca calls.
1048         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
1049         against zero.
1050         * tree-flow.h (expr_computes_nonzero): Remove.
1051         * tree-vrp.c (expr_computes_nonzero): Remove.
1052         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
1053         (extract_range_from_unary_expr): Likewise.
1054         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
1055         tree_expr_nonzero_p.
1056
1057 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1058
1059         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
1060         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
1061         extra arg "picreg" and use it instead of pic_offset_table_rtx.
1062         All callers changed.
1063         (frame_related_constant_load): New arg "related" which controls
1064         setting of RTX_FRAME_RELATED_P.  All callers changed.
1065         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
1066         (bfin_expand_prologue): Add stack limit checking.
1067         * config/bfin/bfin.md (trapifcc): New pattern.
1068
1069         * config/bfin/bfin.c: Include "langhooks.h".
1070         (def_builtin): Go through lang_hooks to call builtin_function.
1071
1072         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
1073         * config/bfin/predicates.md (symbol_ref_operand): New.
1074         (call_insn_operand): Delete.  All callers changed to use
1075         register_no_elim_operand.
1076         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
1077         call_cookie field.
1078         (function_arg): Use it to generate the call's operand 2.
1079         (bfin_longcall_p): New function.
1080         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
1081         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
1082         determine if the address needs to be in a REG.
1083         (bfin_handle_longcall_attribute): New function.
1084         (bfin_attribute_table): Add "longcall" and "shortcall".
1085         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
1086         (CUMULATIVE_ARGS): New member call_cookie.
1087         (PREDICATE_CODES): Add symbol_ref_operand.
1088         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
1089         extra USE to the pattern.
1090         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
1091         New patterns, split off call_insn, sibcall_insn, call_value_insn and
1092         sibcall_value_insn; now the new patterns handle direct calls and the
1093         old ones indirect calls.
1094         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
1095
1096 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
1097
1098         * doc/trouble.texi: Update section on handling of empty loops.
1099
1100 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
1101
1102         * config.gcc: Remove support for sparc-*-openbsd*,
1103         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
1104         ns32k-*-netbsd*.
1105         * config.host: Remove support for i860-*-sysv4* as a host.
1106         * config/i860/*, config/ip2k/*, config/ns32k/*,
1107         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
1108         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
1109         mention obsolete ports.
1110
1111 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1112
1113         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
1114         soft frame pointer.
1115         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
1116         of frame_pointer_rtx.
1117         (sh_expand_epilogue): Likewise.
1118         (sh_set_return_address): Likewise.
1119         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
1120         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
1121         offsets from FRAME_POINTER_REGNUM.
1122         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
1123         (sh_register_names): Add initializer for sfp.
1124         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
1125         (VALID_REGISTER_P): Likewise.
1126         (FIRST_PSEUDO_REGISTER): Update.
1127         (DWARF_FRAME_REGISTERS): Define.
1128         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
1129         (HARD_FRAME_POINTER_REGNUM): Define.
1130         (FRAME_POINTER_REGNUM): Redefine.
1131         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
1132         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
1133         from FRAME_POINTER_REGNUM.
1134         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
1135         FRAME_POINTER_REGNUM.
1136         (REG_CLASS_CONTENTS): Add sfp.
1137         (REG_ALLOC_ORDER): Likewise.
1138         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
1139         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
1140         of frame_pointer_rtx.
1141         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1142
1143 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
1144
1145         * fold-const.c (tree_expr_nonnegative_p): Only return true for
1146         ABS_EXPR when flag_wrapv is false because of INT_MIN.
1147         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
1148         of an ABS_EXPR.
1149         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
1150         ABS_EXPR<x>.
1151
1152 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
1153
1154         Make CONSTRUCTOR use VEC to store initializers.
1155         * c-common.c (complete_array_type): Update to cope with VEC in
1156         CONSTRUCTOR_ELTS.
1157         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
1158         (pp_c_constructor_elts): New function.
1159         * c-pretty-print.h (pp_c_constructor_elts): Declare.
1160         * c-typeck.c (build_function_call, build_c_cast, digest_init,
1161         struct constructor_stack, struct initializer_stack,
1162         constructor_elements, push_init_level, pop_init_level,
1163         add_pending_init, find_init_member, output_init_element): Update to
1164         cope with VEC in CONSTRUCTOR_ELTS.
1165         * coverage.c (build_fn_info_value, build_ctr_info_value,
1166         build_gcov_info): Likewise.
1167         * expr.c (categorize_ctor_elements_1, store_constructor,
1168         expand_expr_real_1): Likewise.
1169         * fold-const.c (fold_ternary): Likewise.
1170         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
1171         gimplify_init_constructor, gimplify_expr): Likewise.
1172         * tree-dump.c (dequeue_and_dump): Likewise.
1173         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
1174         node.
1175         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
1176         CONSTRUCTOR_ELTS.
1177         * tree-sra.c (generate_element_init_1): Likewise.
1178         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
1179         * tree-ssa-operands.c (get_expr_operands): Likewise.
1180         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
1181         * tree-vect-transform.c (vect_get_vec_def_for_operand):
1182         (get_initial_def_for_reduction): Likewise.
1183         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
1184         value handle in annotations.
1185         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
1186         tree_node_structure): Add support for constr_kind.
1187         (build_vector_from_ctor, build_constructor_single,
1188         build_constructor_from_list): New functions.
1189         (build_constructor): Update to take a VEC instead of a TREE_LIST.
1190         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
1191         Update to cope with VEC in CONSTRUCTOR_ELTS.
1192         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
1193         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
1194         CONSTRUCTOR_APPEND_ELT): New macros.
1195         (struct constructor_elt, struct tree_constructor): New data types.
1196         (union tree_node): Add tree_constructor field.
1197         * treestruct.def: Define TS_CONSTRUCTOR.
1198         * varasm.c (const_hash_1, compare_constant, copy_constant,
1199         compute_reloc_for_constant, output_addressed_constants,
1200         initializer_constant_valid_p, output_constant,
1201         array_size_for_constructor, output_constructor): Update to cope with
1202         VEC in CONSTRUCTOR_ELTS.
1203         * vec.h (VEC_empty, VEC_copy): New macros.
1204
1205 2005-07-19  Devang Patel  <dpatel@apple.com>
1206
1207         * dbxout.c (dbxout_type): Check Objective-C++ lang.
1208         
1209 2005-07-19  Richard Henderson  <rth@redhat.com>
1210
1211         PR tree-opt/22278
1212         * gimplify.c (gimplify_expr): Use main variant type for the temp
1213         destination for a discarded volatile read.
1214         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
1215         casts between non-void types that change volatility.
1216
1217 2005-07-15  DJ Delorie  <dj@redhat.com>
1218
1219         * toplev.h: Add comment about the first parameter for warning().
1220         * errors.h: Likewise.
1221
1222         * c.opt (Wpragmas): New.
1223         * doc/invoke.texi: Document it.
1224         
1225         * function.c (do_warn_unused_parameter): Add warning control to
1226         warning call.
1227         * c-decl.c (warn_if_shadowing): Likewise.
1228         * c-lex.c (cb_def_pragma): Likewise.
1229         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
1230         (pop_alignment): Likewise.
1231         (handle_pragma_pack): Likewise.
1232         (apply_pragma_weak): Likewise.
1233         (handle_pragma_weak): Likewise.
1234         (handle_pragma_redefine_extname): Likewise.
1235         (add_to_renaming_pragma_list): Likewise.
1236         (handle_pragma_extern_prefix): Likewise.
1237         (maybe_apply_renaming_pragma): Likewise.
1238         (handle_pragma_visibility): Likewise.
1239         
1240         * config/c4x/c4x-c.c (BAD): Likewise.
1241         (c4x_parse_pragma): Likewise.
1242         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
1243         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
1244         (rs6000_pragma_longcall): Likewise.
1245         * config/v850/v850-c.c (pop_data_area): Likewise.
1246         (ghs_pragma_section): Likewise.
1247         (ghs_pragma_section): Likewise.
1248         (ghs_pragma_interrupt): Likewise.
1249         (ghs_pragma_starttda): Likewise.
1250         (ghs_pragma_startsda): Likewise.
1251         (ghs_pragma_startzda): Likewise.
1252         (ghs_pragma_endtda): Likewise.
1253         (ghs_pragma_endsda): Likewise.
1254         (ghs_pragma_endzda): Likewise.
1255
1256 2005-07-19  Danny Berlin <dberlin@dberlin.org>
1257             Kenneth Zadeck <zadeck@naturalbridge.com>
1258
1259         * Makefile.in: Removed tree-promote-statics.c
1260         * tree-promote-statics.c: Removed.
1261         * common.opt: Removed flag-promote-statics.
1262         * opts.c: Ditto.
1263         * passes.c: Removed tree-promote-statics pass. 
1264         * tree-pass.h: Ditto.
1265         * timevar.def: Removed TV_PROMOTE_STATICS.
1266
1267
1268 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
1269
1270         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
1271         and *-*-freebsd9.
1272         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
1273         
1274 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1275
1276         PR c/22476
1277         * c-common.c (check_function_arguments): Call
1278         'check_function_format' if either -Wformat or
1279         -Wmissing-format-attribute are specified.
1280         * c-format.c (check_function_format): Check -Wformat before
1281         calling 'check_format_info'.
1282         * c-opts.c (c_common_post_options): Don't warn for
1283         -Wmissing-format-attribute without -Wformat.
1284         * c-typeck.c (convert_for_assignment): Detect additional cases for
1285         -Wmissing-format-attribute.
1286         * doc/invoke.texi (-Wmissing-format-attribute): Document new
1287         behavior.
1288
1289 2005-07-19  Richard Guenther  <rguenther@suse.de>
1290
1291         * config/i386/i386.md (lrint<mode>2): Use temporary
1292         instead of clobbering non-existent memory.
1293
1294 2005-07-19  Nick Clifton  <nickc@redhat.com>
1295
1296         * config/avr/avr.c (legitimate_address_p): Fix debugging print
1297         statement to avoid displaying ASCII control characters.
1298
1299 2005-07-19  Ben Elliston  <bje@au.ibm.com>
1300
1301         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
1302         * cfganal.c (find_edge_index): Ditto.
1303         * combine.c (combine_instructions): Ditto.
1304         * ddg.c (create_scc): Ditto.
1305         (find_successors): Ditto.
1306         (find_predecessors): Ditto.
1307         (find_nodes_on_paths): Ditto.
1308         (longest_simple_path): Ditto.
1309         * flow.c (update_life_info): Ditto.
1310         (count_or_remove_death_notes): Ditto.
1311         (clear_log_links): Ditto.
1312         * modulo-sched.c (generate_reg_moves): Ditto.
1313         (find_max_asap): Ditto.
1314         (find_max_hv_min_mob): Ditto.
1315         (find_max_dv_min_mob): Ditto.
1316         * sbitmap.c (sbitmap_first_set_bit): Ditto.
1317         * sched-rgn.c (extract_edgelst): Ditto.
1318         * tree-into-ssa.c (prepare_names_to_update): Ditto.
1319         (dump_update_ssa): Ditto.
1320         (ssa_names_to_replace) Ditto.
1321         (switch_virtuals_to_full_rewrite): Ditto.
1322         (update_ssa): Ditto.
1323         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1324
1325 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
1326
1327         Fix PR tree-optimization/22483
1328         
1329         * tree-complex.c (create_components): Use
1330         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
1331         * tree-flow-inline.h (fill_referenced_var_vec): New function.
1332         * tree-flow.h (safe_referenced_var_iterator): New structure.
1333         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
1334         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
1335         safe_referenced_var iterator.
1336         (add_type_alias): Ditto.
1337
1338 2005-07-19  Steven Bosscher  <stevenb@suse.de>
1339
1340         * loop-init.c (rest_of_handle_loop2): Remove.
1341         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
1342         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
1343         (pass_rtl_loop_init, pass_rtl_loop_done,
1344         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
1345         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
1346         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
1347         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
1348         pass_tree_loop_done, and pass_tree_unswitch.
1349         (gate_loop): Rename to gate_tree_loop.
1350         * passes.c (init_optimization_passes): Update for renamed tree
1351         loop passes.  Add the new loop2 passes as subpasses of loop2.
1352         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
1353         Update for the renamed tree loop passes.
1354
1355 2005-07-18  Ian Lance Taylor  <ian@airs.com>
1356
1357         PR middle-end/22057
1358         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
1359         blocks when optimizing.
1360
1361 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
1362
1363         * common.opt (frename-registers): Initialize to 2.
1364         (fweb): Ditto.
1365         (fgcse-after-reload): Ditto.
1366         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
1367         (process_options): Only change flag_web, flag_rename_registers,
1368         and flag_rerun_cse_after_loop if not explicitly set by user.
1369
1370 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1371
1372         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
1373         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
1374         in 64-bit mode the same as DImode in 32-bit mode.
1375         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
1376         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
1377         mode. Add new mode parameter. 
1378         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
1379         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
1380         x86_64_shift_adj): New expanders.
1381         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
1382         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
1383         insns.
1384         Respective new splitters. Use renamed shift splitter helpers in 32-bit
1385         DImode shift splitters.
1386         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
1387         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
1388         mode parameter.
1389
1390 2005-07-18  Jan Beulich  <jbeulich@novell.com>
1391
1392         * i386.md (movdi_extzv_1): New.
1393         (zero_extendhidi2): Combine alternatives and never force use of
1394         REX64 prefix.
1395         (zero_extendqidi2): Likewise. Don't restrict input selection.
1396
1397 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1398
1399         Fix PR tree-optimization/22531
1400         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
1401          moment.
1402
1403 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1404
1405         * tree-promote-statics.c (pass_promote_statics): Change dump file
1406          name.
1407
1408 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
1409
1410         * tree-optimize.c (init_tree_optimization_passes): Add
1411         pass_eliminate_useless_stores pass.
1412         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
1413         * tree-ssa-pre.c (is_copy_stmt): New function.
1414         (follow_copies_till_vuse): Ditto.
1415         (do_eustores): Ditto.
1416         (gate_eustores): Ditto. 
1417         
1418 2005-07-16  Richard Henderson  <rth@redhat.com>
1419
1420         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
1421
1422 2005-07-16 Danny Berlin <dberlin@dberlin.org>
1423            Kenneth Zadeck <zadeck@naturalbridge.com>
1424
1425         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
1426         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
1427         ipa-type-escape.h, tree-promote-statics.c
1428         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
1429         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
1430         tree-promote-statics.c: new files.
1431         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
1432         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
1433         int nonlocal_set_p, mark_constant_function): Deleted.
1434         (rest_of_handle_cfg): Removed call to mark_constant_function. 
1435         (nonoverlapping_component_refs_p): Added calls to support
1436         type based aliasing.    
1437         * tree-ssa-alias.c (may_alias_p,
1438         compute_flow_insensitive_aliasing): Ditto.
1439         * calls.c (flags_from_decl_or_type): Removed reference to
1440         cgraph_rtl_info. 
1441         * c-typeck.c (convert_arguments): Make builtins tolerant of having
1442         too many arguments.  This is necessary for Spec 2000.
1443         * cgraph.h (const_function, pure_function): Removed.
1444         * common.opt: Added "fipa-pure-const", "fipa-reference",  
1445         "fipa-type-escape", and "ftree-promote-static".
1446         * opts.c: Ditto.
1447         * passes.c: Added ipa and tree-promote-statics passes. 
1448         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
1449         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
1450         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
1451         * tree-flow.h: Added exposed sra calls and addition of 
1452         reference_vars_info field for FUNCTION_DECLS.
1453         * tree-pass.h: Added passes.
1454         * tree-sra.c: (sra_init_cache): New function.
1455         (sra_insert_before, sra_insert_after) Made public.
1456         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
1457         and made public.
1458         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
1459         aliasing. (may_alias_p): Added code to use type escape analysis to
1460         improve alias sets.
1461         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
1462         code to prune clobbers of static variables based on information
1463         produced in ipa-reference pass.  Changed call clobbering so that
1464         statics are not marked as clobbered if the call does not clobber
1465         them.
1466
1467 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
1468
1469         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
1470         too.
1471
1472 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
1473
1474         * doc/install.texi (*-*-solaris2*): Document recommended version
1475         of GNU binutils and mention GNU linker problem on Solaris 10.
1476
1477 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
1478
1479         PR c/22421
1480         * c-decl.c (c_build_bitfield_integer_type): New function.
1481         (finish_struct): Call it.
1482         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
1483
1484 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1485
1486         * c-typeck.c (digest_init): Call 'convert_for_assignment'
1487         before returning.
1488
1489 2005-07-16  Jan Hubicka  <jh@suse.cz>
1490
1491         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
1492         (scale_bbs_frequencies_int): Watch roundoff errors.
1493         * predict.c (return_prediction): Initialize return_stmt.
1494
1495 2005-07-16  Jan Hubicka  <jh@suse.cz>
1496
1497         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
1498         after RTL profiling.
1499
1500 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
1501
1502         PR middle-end/22398
1503         * fold-const.c (build_range_check): Convert high/low to etype
1504         if we are only comparing against exp.
1505
1506 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
1507
1508         Fix PR tree-optimization/22376
1509         * tree-ssa-structalias.c (build_constraint_graph): We really meant
1510         special var here.
1511         (need_to_solve): New function.
1512         (compute_points_to_sets): Use it.
1513         
1514 2005-07-15  Jan Hubicka  <jh@suse.cz>
1515
1516         * cfg.c (update_bb_profile_for_threading): More diagnostic.
1517         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
1518
1519 2005-07-15  Richard Guenther  <rguenther@suse.de>
1520
1521         * c-common.c (handle_flatten_attribute): New function.
1522         Add flatten function attribute.
1523         * doc/extend.texi: Document flatten function attribute.
1524         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
1525         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
1526         New functions.
1527         (cgraph_decide_inlining): Handle functions with flatten
1528         attribute.
1529
1530 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
1531
1532         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
1533         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
1534         UNSPEC_XCHG, UNSPEC_AND): New.
1535         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
1536         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
1537         * config/rs6000/sync.md (FETCHOP): New code macro.
1538         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
1539         New code attrs.
1540         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
1541         (sync_compare_and_swap<mode>): Same.
1542         (sync_lock_test_and_set<mode>): Same.
1543         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
1544         for QImode and HImode, and not PPC405.
1545         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
1546         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
1547         (sync_<fetchop>{si,di}_internal): New.
1548         (sync_nand{si,di}_internal): New.
1549         (sync_old_<fetchop>{si,di}_internal): New.
1550         (sync_old_nand{si,di}_internal): New
1551         (sync_new_<fetchop>{si,di}_internal): New.
1552         (sync_new_nand{si,di}_internal): New.
1553         (atomic_and{si,di}): New.
1554         (sync_new_nand{si,di}_internal): New.
1555         (atomic_and{si,di}): New.
1556         (sync_add<mode>_internal): Delete.
1557         (sync_addshort_internal): Use unspec instead of unspec_volatile.
1558         (sync_sub<mode>_internal): Delte.
1559         (sync_subshort_internal): New.
1560         (sync_andsi_internal): Use unspec instead of unspec_volatile.
1561         (sync_anddi_internal): Delete.
1562         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
1563         (sync_booldi_internal): Delete.
1564         (sync_boolc<mode>_internal): Delete.
1565         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
1566         (sync_boolc<mode>_internal2): Delete.
1567         (sync_boolcc<mode>_internal): Delete.
1568         (isync, lwsync): Use unspec instead of unspec_volatile.
1569         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
1570         Revert UNSPEC_VOLATILE.
1571         (rs6000_split_atomic_op): New.
1572         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
1573
1574 2005-07-14  Eric Christopher  <echristo@redhat.com>
1575
1576         * config/mips/mips.c (mips_canonicalize_comparison): Cast
1577         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
1578
1579 2005-07-14  Eric Christopher  <echristo@redhat.com>
1580
1581         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
1582
1583 2005-07-14  Steven Bosscher  <stevenb@suse.de>
1584
1585         PR tree-optimization/22230
1586         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
1587         the computation of the four cross productions for "range op range".
1588
1589 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
1590             Ulrich Weigand  <uweigand@de.ibm.com>
1591
1592         PR target/20126
1593         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
1594         in some insn.
1595
1596 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1597
1598         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
1599
1600 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
1601
1602         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
1603
1604 2005-07-14  Richard Guenther  <rguenther@suse.de>
1605
1606         PR middle-end/22347
1607         * config/i386/i386-protos.h (ix86_function_value): Change
1608         prototype to match new target hook.
1609         * config/i386/i386.c (ix86_value_regno): Change prototype
1610         to take extra type argument.
1611         (TARGET_FUNCTION_VALUE): Define.
1612         (ix86_function_ok_for_sibcall): Pass extra argument to
1613         ix86_value_regno, check return slot rtx for exact match.
1614         (ix86_function_value): Take extra parameter.  Dispatch to
1615         ix86_value_regno with fndecl/fntype as provided.
1616         (ix86_value_regno): Handle extra type argument.
1617         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
1618
1619         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
1620         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
1621         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
1622         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
1623         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
1624
1625 2005-07-14  Richard Guenther  <rguenther@suse.de>
1626
1627         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
1628         * calls.c (expand_call): Pass fntype to hard_function_value.
1629         (emit_library_call_value_1): Likewise.
1630         * explow.c: Include target.h.
1631         (hard_function_value): Take extra argument, the fntype.
1632         Use new target hook for function_value.
1633         * expr.h (hard_function_value): Change prototype.
1634         * function.c (aggregate_value_p): Pass 0 as fntype to
1635         hard_function_value.
1636         (assign_parms): Use new target hook for function_value.
1637         Pass 0 as fntype to hard_function_value.
1638         (expand_function_end): Likewise.
1639         * reg-stack.c: Include target.h.
1640         (stack_result): Use new target hook for function_value.
1641         * target-def.h: New target hook function_value.
1642         * target.h: Likewise.
1643         * targhooks.c (default_function_value): New function.
1644         * targhooks.h (default_function_value): Declare.
1645
1646 2005-07-13  Ian Lance Taylor  <ian@airs.com>
1647
1648         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1649
1650 2005-07-14  Jan Hubicka  <jh@suse.cz>
1651
1652         * tree-dfa.c (dump_variable): Use default_def function.
1653         * tree-ssa-alias.c (dump_points_to_info): Likewise.
1654         * tree-ssa.c (verify_use): Likewise.
1655         * tree-ssanames.c (release_ssa_name): Likewise.
1656         * tree-tailcall.c (eliminate_tail_call): Likewise.
1657         (tree_optimize_tail_calls_1): Likewise.
1658         * tree-vrp.c (get_value_range): Likewise.
1659
1660 2005-07-14  Ben Elliston  <bje@au.ibm.com>
1661
1662         * gcc.c (main): Compare language[0] with '*' when iterating over
1663         the infiles.
1664
1665 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1666
1667         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
1668         "s390_emit_compare".  Add handling of CCZ1mode.
1669         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
1670         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
1671         checking.
1672         (s390_branch_condition_mask): Add CCZ1mode handling.
1673         * config/s390/s390.md: ("seq", "*seq"): New pattern.
1674         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
1675         Use CCZ1mode instead of CCZmode.
1676         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
1677
1678 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
1679
1680         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
1681         pattern.
1682         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
1683
1684 2005-07-13  Eric Christopher  <echristo@redhat.com>
1685
1686         * config/mips/mips.c (mips_canonicalize_comparison): New.
1687         (mips_emit_int_relational): Use.
1688
1689 2005-07-13  Eric Christopher  <echristo@redhat.com>
1690
1691         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1692         static extra parts.
1693         * config/s390/s390.md: Include tpf.md. Move tpf specific
1694         patterns...
1695         * config/s390/tpf.md: To here.
1696         * config/s390/s390.opt: Move tpf specific options...
1697         * config/s390/tpf.opt: to here. Add mmain option.
1698         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1699         * config/s390/tpf.h: Rewrite.
1700
1701 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1702
1703         * doc/tm.texi: Remove @xref{Cross-profiling}.
1704
1705 2005-07-13  Jeff Law  <law@redhat.com>
1706
1707         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
1708         expressions, test their _DECL operands for pointer equality rather
1709         than using operand_equal_p.
1710
1711 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
1712
1713         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
1714         (TARGET_POSIX_IO): This.
1715         * config/darwin.h: Likewise.
1716         * config/freebsd.h: Likewise.
1717         * config/linux.h: Likewise.
1718         * config/lynx.h: Likewise.
1719         * config/netbsd.h: Likewise.
1720         * config/rs6000/linux64.h: Likewise.
1721         * config/rs6000/linux.h: Likewise.
1722         * config/s390/tpf.h: Likewise.
1723         * config/sh/embed-elf.h: Likewise.
1724         * config/sparc/linux64.h: Likewise.
1725         * config/sparc/linux.h: Likewise.
1726         * config/svr4.h: Likewise.
1727         * gcov-io.h: Likewise.
1728
1729         * doc/tm.texi: Updated.
1730
1731         * libgcov.c (create_file_directory): Defined only if
1732         TARGET_POSIX_IO is defined.
1733         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
1734         is defined.
1735
1736 2005-07-13  Jan Hubicka  <jh@suse.cz>
1737
1738         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
1739
1740 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
1741
1742         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
1743         structure as argument.
1744
1745 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
1746
1747         PR tree-optimization/21921
1748         * tree-iterator.c (tsi_link_before): Support the case when
1749         tsi_end_p (tsi) == true.
1750
1751 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1752
1753         PR tree-optimization/22442
1754         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
1755         correctly.
1756
1757 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1758
1759         PR rtl-optimization/20376
1760         * toplev.c (process_options): Enable -fweb and -frename-registers when
1761         unrolling.
1762         * doc/invoke.texi: Update the information about when -fweb and
1763         -frename-registers are enabled.
1764
1765 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1766
1767         PR tree-opt/21840
1768         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
1769         if *rhs_p is not a SSA_NAME.
1770
1771 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
1772         
1773         Fix PR tree-optimization/22422 
1774         * tree-ssa-structalias.c (struct variable_info): Add flag for
1775         special vars.
1776         (get_varinfo): Now a static function.
1777         (new_varinfo): init has_union and is_special_var to false.
1778         (solution_set_add): Check has_union.
1779         (do_da_constraint): Move temporary variable so it gets reset
1780         properly.
1781         Also check for special variable.
1782         (do_ds_constraint): Ditto.
1783         (do_sd_constraint): Ditto.
1784         (do_structure_copy): Check for special variable.
1785         (find_func_aliases): Ditto.
1786         (init_base_vars): Set special vars properly.    
1787
1788 2005-07-13  Jan Hubicka  <jh@suse.cz>
1789
1790         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
1791         do unit-at-a-time.
1792
1793         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
1794         (get_expr_operands): Fix thinko wrt flags and subvars.
1795
1796         PR tree-optimize/22379
1797         * tree-inline.c (expand_call_inline): Do not output sorry in early
1798         inlining.
1799
1800 2005-07-12  Dale Johannesen  <dalej@apple.com>
1801
1802         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
1803
1804 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1805
1806         PR bootstrap/21704
1807         * host-linux.h: Include limits.h.
1808
1809 2005-07-12  Dale Johannesen  <dalej@apple.com>
1810
1811         * expr.c (compress_float_constant):  Add cost check.
1812         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
1813
1814 2005-07-12  Dale Johannesen  <dalej@apple.com>
1815
1816         * gcc.target/i386/compress-float-sse.c:  New.
1817         * gcc.target/i386/compress-float-sse-pic.c:  New.
1818         * gcc.target/i386/compress-float-387.c:  New.
1819         * gcc.target/i386/compress-float-387-pic.c:  New.
1820         * gcc.dg/compress-float-ppc.c:  New.
1821         * gcc.dg/compress-float-ppc-pic.c:  New.
1822
1823 2005-07-12  Eric Christopher  <echristo@redhat.com>
1824
1825         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1826         static extra parts.
1827         * config/s390/s390.md: Include tpf.md. Move tpf specific
1828         patterns...
1829         * config/s390/tpf.md: To here.
1830         * config/s390/s390.opt: Move tpf specific options...
1831         * config/s390/tpf.opt: to here. Add mmain option.
1832         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1833         * config/s390/tpf.h: Rewrite.
1834
1835 2005-07-12  Eric Christopher  <echristo@redhat.com>
1836
1837         * gcc.c (struct infile): Update comment for language.
1838         (main): Rewrite input file resetting code.
1839
1840 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1841
1842         PR tree-opt/22335
1843         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1844         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
1845         (lookup_avail_expr): Use constant_boolean_node instead
1846         of boolean_false_node/boolean_true_node.
1847
1848 2005-07-12  Ben Elliston  <bje@au.ibm.com>
1849
1850         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1851         and use it when printing num_edges.
1852
1853 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1854
1855         * doc/extend.texi (Blackfin Built-in Functions): New section.
1856         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1857         @opindex.
1858
1859 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
1860
1861         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1862         s/cmpstrsi/cmpstrnsi
1863         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1864         'cmpstrnsi'.
1865         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1866         (init_optabs): Initialize cmpstrn_optab.
1867         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1868         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1869         * expr.c: (enum insn_code cmpstrn_optab): Declare.
1870         * config/i386/i386.md: s/cmpstr/cmpstrn
1871         * config/c4x/c4x.md: s/cmpstr/cmpstrn
1872         * doc/md.texi: Update documentation.
1873
1874 2005-07-11  Richard Henderson  <rth@redhat.com>
1875
1876         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1877         build_va_arg_indirect_ref.
1878         (alpha_gimplify_va_arg): Likewise.
1879         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1880         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1881         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1882         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1883         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1884         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1885         Likewise.
1886         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1887
1888 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1889
1890         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1891         * passes.c (init_optimization_passes): Add pass_empty_loop.
1892         * tree-pass.h (pass_empty_loop): Declare.
1893         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1894         try_remove_empty_loop, remove_empty_loops): New functions.
1895         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1896         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1897
1898 2005-07-12  Peter Barada  <peter@the-baradas.com>
1899
1900         PR middle-end/16719
1901         PR middle-end/18421
1902         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1903         in address registers.
1904         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1905         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1906         alternative of addsi3_5200.
1907
1908 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1909
1910         * config/mips/mips.md (ffs<mode>2): Remove.
1911
1912 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1913
1914         * doc/tree-ssa.texi (Cleanups): Improve description of
1915         TRY_FINALLY_EXPR.
1916         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1917
1918 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1919         
1920         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1921         * tree.h (DECL_ARGUMENT_FLD): New macro.
1922
1923 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1924         
1925         Fix PR tree-optimization/22404
1926
1927         * tree-ssa-structalias.c (create_variable_info_for): Use
1928         correct offset.
1929
1930 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1931
1932         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1933         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1934         for second comparison operand.
1935         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1936
1937         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1938         (define_insn_reservation "alu"): Likewise.
1939         (csync, ssync): Now of type sync.
1940         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1941         -mcsync-anomaly -mspecld-anomaly.
1942         * config/bfin/bfin.opt (mcsync): Remove.
1943         (mcsync-anomaly, mspecld-anomaly): Add.
1944         * config/bfin/bfin.c: Include "insn-codes.h".
1945         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1946         (TARGET_DEFAULT_TARGET_FLAGS): New.
1947         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1948
1949 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1950
1951         * basic-block.h: Give the BB flags enum a name, bb_flags.
1952         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1953         * cfgcleanup.c (enum bb_flags): Remove here.
1954         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1955         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1956         (update_forwarder_flag): Likewise.
1957         (thread_jump): Likewise.
1958         (try_forward_edges): Likewise.
1959         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1960         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1961         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1962
1963 2005-07-11  Richard Guenther  <rguenther@suse.de>
1964
1965         * config/i386/i386.opt: New target option -msseregparm.
1966         * config/i386/i386.c (override_options): Error out for
1967         -msseregparm but no SSE support.
1968         (ix86_function_sseregparm): Check for global sseregparm.
1969         * doc/invoke.texi: Document -msseregparm.
1970
1971 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1972
1973         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1974         (m32rle-*-linux*): Ditto.
1975
1976 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1977
1978         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1979         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1980         bytes.
1981
1982 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1983
1984         PR middle-end/22239
1985         PR target/20126
1986         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1987         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1988
1989 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1990
1991         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1992         (varmap): Heapify varmap.
1993         (constraints): Heapify constraints.
1994         (struct constraint_graph): Heapify succs and preds.
1995         (constraint_vec_find): Update for heapification.
1996         (constraint_set_union): Ditto.
1997         (insert_into_complex): Ditto.
1998         (constraint_edge_vec_find): Ditto.
1999         (erase_graph_self_edge): Ditto.
2000         (add_graph_edge): Ditto.
2001         (get_graph_weights): Ditto.
2002         (merge_graph_nodes): Ditto.
2003         (build_constraint_graph): Ditto.
2004         (topo_visit): Ditto.
2005         (solve_graph): Ditto.
2006         (create_variable_info_for): Ditto.
2007         (init_base_vars): Ditto.
2008         (delete_points_to_sets): Free graph, varmap, and complex constraints.
2009         (condese_varmap_nodes): Free complex vector.
2010         (clear_edges_for_node): Clear succs and preds vector.
2011
2012 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2013
2014         * tree-ssa-structalias.c (update_alias_info): Change counting of
2015         references to not include vdefs.
2016         
2017 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
2018
2019         * tree-ssa-alias.c (free_used_part_map): Add missing free.
2020         (up_insert): Ditto.
2021
2022 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2023
2024         * pa.c (pa_commutative_p): Make PLUS commutative when
2025         TARGET_NO_SPACE_REGS is true.
2026
2027 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2028
2029         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
2030         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
2031         * tree-dfa.c (dump_subvars_for): New.
2032         (debug_subvars_for): New.
2033         (dump_variable): Show subvariables if VAR has them.
2034         * tree-flow-inline.h (get_subvar_at): New.
2035         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
2036         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
2037         Update all users.
2038         (struct subvar): Change fields offset and size to unsigned
2039         HOST_WIDE_INT.
2040         (dump_subvars_for): Declare.
2041         (debug_subvars_for): Declare.
2042         (get_subvar_at): Declare.
2043         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
2044         to unsigned HOST_WIDE_INT *.
2045         (overlap_subvar): Likewise.
2046         * tree-gimple.c (is_gimple_reg): Always return false for
2047         SFTs and memory tags.
2048         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
2049         Update all callers.
2050         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
2051         (compute_may_aliases): Call compute_points_to_sets.
2052         (collect_points_to_info_for): Remove.
2053         (compute_points_to_and_addr_escape): Remove.
2054         (delete_alias_info): Call delete_points_to_sets.
2055         (compute_flow_sensitive_aliasing): If the call to
2056         find_what_p_points_to returns false, call set_pt_anything.
2057         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
2058         (set_pt_anything): Clear pi->pt_vars.
2059         (set_pt_malloc): Remove.
2060         (merge_pointed_to_info): Remove.
2061         (add_pointed_to_expr): Remove.
2062         (add_pointed_to_var): Remove.
2063         (collect_points_to_info_r): Remove.
2064         (is_escape_site): Make extern.
2065         (create_sft): New.
2066         (create_overlap_variables_for): Call it.
2067         * tree-ssa-copy.c (merge_alias_info): Never merge
2068         flow-sensitive alias information.
2069         * tree-ssa-operands.c (get_expr_operands): Adjust variables
2070         offset and size to be unsigned HOST_WIDE_INT.
2071         (add_to_addressable_set): Rename from note_addressable.
2072         Set TREE_ADDRESSABLE as the variables are added to the set.
2073         Update all users.
2074         (add_stmt_operand): Do not try to micro-optimize unmodifiable
2075         operands into VUSEs when adding V_MAY_DEFs for members in an
2076         alias set.
2077         * tree-ssa-operands.h (add_to_addressable_set): Declare.
2078         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
2079         (struct variable_info): Add bitfield is_heap_var.
2080         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
2081         (new_var_info): Initialize is_heap_var.
2082         (get_constraint_for): Add HEAP variables to the symbol table.
2083         Mark them with is_heap_var.
2084         (update_alias_info): New.  Taken mostly from the old
2085         compute_points_to_and_addr_escape.
2086         (handle_ptr_arith): New.
2087         (find_func_aliases): Call update_alias_info.
2088         Call handle_ptr_info for tcc_binary expressions.
2089         Call mark_stmt_modified.
2090         (create_variable_info_for): If DECL has subvars, do not create
2091         variables for its subvars.  Always add all the fields.
2092         (set_uids_in_ptset): If the solution includes ANYOFFSET and
2093         SFTs, then add all the SFTs of the structure.
2094         If VI->DECL is an aggregate with subvariables, add the SFT at
2095         VI->OFFSET.
2096         (find_what_p_points_to): If VI is an artificial variable,
2097         translate to bitfields in SSA_NAME_PTR_INFO.
2098         If the solution is empty, set pi->pt_vars to NULL
2099         (init_base_vars): Create ANYOFFSET.
2100         (compute_points_to_sets): Rename from create_alias_vars.
2101         Make extern.
2102         (pass_build_pta): Remove.
2103         (delete_points_to_sets): Rename from delete_alias_vars.
2104         (pass_del_pta): Remove.
2105         * tree-ssa-structalias.h (struct alias_info): Move from
2106         tree-ssa-alias.h.
2107         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
2108         NUM_REFERENCES_SET): Likewise.
2109         (compute_points_to_sets, delete_points_to_sets): Declare.
2110
2111 2005-07-09  Richard Henderson  <rth@redhat.com>
2112
2113         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
2114         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
2115         alpha_split_lock_test_and_set_12): New functions.
2116         * config/alpha/alpha-protos.h: Update.
2117         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
2118         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
2119         * config/alpha/sync.md (I12MODE): New.
2120         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
2121         (sync_<fetchop_name><I48MODE>): Likewise.
2122         (sync_nand<I48MODE>): Likewise.
2123         (sync_old_<fetchop_name><I48MODE>): Likewise.
2124         (sync_new_<fetchop_name><I48MODE>): Likewise.
2125         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2126         (sync_compare_and_swap<I48MODE>): Likewise.
2127         (sync_lock_test_and_set<I48MODE>): Likewise.
2128         (sync_compare_and_swap<I12MODE>): New.
2129         (sync_compare_and_swap<I12MODE>_1): New.
2130         (sync_lock_test_and_set<I12MODE>): New.
2131         (sync_lock_test_and_set<I12MODE>_1): New.
2132
2133 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
2134
2135         PR 21356
2136         PR 22332
2137         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
2138
2139 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
2140
2141         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
2142         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
2143
2144 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
2145
2146         PR target/21656
2147         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2148
2149 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
2150
2151         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
2152         memory_operand constraint.
2153         (store_conditional_<mode>): Same.
2154         (sync_compare_and_swap<mode>): Same.
2155         (sync_lock_test_and_set<mode>): Same.
2156
2157 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
2158
2159         Rewrite PIC support to more closely model actual instructions.
2160         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
2161         (cris_symbol): Remove prototypes for removed functions.
2162         (cris_pic_symbol_type_of, cris_valid_pic_const)
2163         (cris_expand_pic_call_address): Prototypes for new functions.
2164         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
2165         variable.
2166         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
2167         modifiers.
2168         <case ':'>: Add case for new punctuation character.
2169         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
2170         emitting (extra) PIC modifier.
2171         <case UNSPEC>: Do not assert for PLT.
2172         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
2173         (cris_expand_prologue, cris_expand_epilogue): Check
2174         for pic_offset_table_rtx usage instead of taking
2175         current_function_uses_pic_offset_table as the final word.
2176         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
2177         Remove flag_pic difference.
2178         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
2179         the moral equivalents of...
2180         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
2181         functions.
2182         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
2183         (cris_handle_option): Mark ARG as unused.
2184         (cris_expand_pic_call_address): New worker function for "call",
2185         "call_value".
2186         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
2187         output PIC constructs here.
2188         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
2189         as symbol-specific modifers, not whole or part of operands.
2190         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
2191         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
2192         constants and flag_pic.
2193         (CONSTANT_INDEX_P): Adjust for new functions.
2194         (enum cris_pic_symbol_type): New helper type.
2195         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
2196         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
2197         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
2198         define_constants.
2199         ("movsi"): Emit actual instructions for GOT and relative access.
2200         ("*movsi_got_load"): New pattern to set up the register holding
2201         the GOT pointer.
2202         ("*movsi_internal"): Operand 1 is not a plain general_operand.
2203         Adjust FIXME for 'S'.
2204         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
2205         Use "movs" for -fpic cases.
2206         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
2207         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
2208         ("call", "call_value"): Just call cris_expand_pic_call_address for
2209         PIC addresses.
2210         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
2211         Remove special pattern.
2212         ("*expanded_call_side", "*expanded_call_value_side"): New
2213         patterns.
2214         (gotplt-to-plt, gotplt-to-plt-side-call)
2215         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
2216         peephole2:s.
2217         * config/cris/cris/predicates.md
2218         ("cris_general_operand_or_gotless_symbol"): Remove unused
2219         predicate.
2220         ("cris_general_operand_or_symbol"): Adjust for new functions.
2221
2222 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2223
2224         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
2225
2226 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
2227
2228         * Makefile.in (TREE_H): Add treestruct.def.
2229         (c-decl.o): Add pointer-set.h
2230         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
2231         visibility on regular DECL's.
2232         (merge_decls): Fix the copying of decl nodes of various types for
2233         the new structures.  Don't update RTL, section name, weak status,
2234         etc, on DECL's without RTL.     
2235         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
2236         Don't check volatile on non-variable types.
2237         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
2238         to check whether we have seen arguments.
2239         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
2240         flag is checked before field (flag is common, field is not).    
2241         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
2242         TS_DECL_COMMON could have an origin.
2243         (add_location_or_const_value_attribute): Don't check section name
2244         on non-var/function decls.
2245         (dwarf2out_var_location): Reverse order of tests.
2246         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
2247         with DECL_WRTL_CHECK.
2248         * expmed.c (make_tree): rtl is now in decl_with_rtl.
2249         * fold-const.c (fold_binary): Don't check weakness on
2250         non-var/function decls.
2251         (tree_expr_nonzero_p): Ditto.
2252         (fold_checksum_tree): Use tree_decl_extra as sizeof
2253         buffer.
2254         * ggc-page.c (extra_order_size_table): Add sizes for
2255         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
2256         tree_field_decl.
2257         * gimplify.c (gimplify_bind_expr): Only set
2258         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
2259         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
2260         without RTL.
2261         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
2262         * langhooks.h (init_ts). New langhook.
2263         * passes.c (rest_of_decl_compilation): Reverse order of tests.
2264         * print-tree.c (print_node): Update to only print fields that
2265         exist in the structures the passed decl has.
2266         * toplev.c (wrapup_global_declarations): Don't reset
2267         DECL_DEFER_OUTPUT on DECL's that don't contain it.
2268         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
2269         * tree-inline.c (remap_decl): Ditto.
2270         * tree-outof-ssa.c (create_temp): Reverse order of tests.
2271         * tree-pretty-print.c (print_declaration): Don't print
2272         DECL_REGISTER on things that don't contain it.
2273         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
2274         non-var/function decls.
2275         * tree.c (tree_contains_struct): New structure.
2276         (init_priority_for_decl): New hashtable.
2277         (tree_int_map): New structure.
2278         (tree_int_map_eq): New function.
2279         (tree_int_map_marked_p): Ditto.
2280         (tree_int_map_hash): Ditto.
2281         (tree_map): Move to tree.h.
2282         (tree_map_eq): Externalize.
2283         (tree_map_hash): Ditto.
2284         (tree_map_marked_p): Ditto.
2285         (init_ttree): Set up tree_contains_struct and call langhook.
2286         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
2287         (tree_code_size): Update for new structures.
2288         (tree_node_structure): Update for new structures.
2289         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
2290         without the field.
2291         (copy_node_stat):  Copy init priority.
2292         (build_decl_stat): Ditto for visibility.
2293         (ts_enum_names): New.
2294         (tree_contains_struct_check_failed): New function.
2295         (decl_init_priority_lookup): Ditto.
2296         (decl_init_priority_insert): Ditto.
2297         * treestruct.def: New file.
2298         * tree.h (CODE_CONTAINS_STRUCT): New macro.
2299         (CONTAINS_STRUCT_CHECK): Ditto.
2300         (tree_contains_struct_check_failed): New prototype.
2301         (DECL_CHECK): Removed.
2302         (DECL_MINIMAL_CHECK): New.
2303         (DECL_COMMON_CHECK): Ditto.
2304         (DECL_WRTL_CHECK): Ditto.
2305         (DECL_NON_COMMON_CHECK): Ditto.
2306         (DECL_WITH_VIS_CHECK): Ditto.
2307         (VAR_OR_FUNCTION_DECL_P): Ditto
2308         (struct tree_decl_minimal): New structure.
2309         (struct tree_decl_common): Ditto.
2310         (struct tree_decl_with_rtl): Ditto.
2311         (struct tree_decl_with_vis): Ditto.
2312         (struct tree_decl_non_common): Ditto.
2313         (struct tree_field_decl): Ditto.
2314         (struct tree_parm_decl): Ditto.
2315         (struct tree_var_decl): Ditto.
2316         (struct tree_function_decl): Ditto.
2317         (struct tree_const_decl): Ditto.
2318         (struct tree_result_decl): Ditto.
2319         (union tree_node): Add new structures.
2320         * var-tracking.c (track_expr_p): Reverse order of tests.
2321         
2322         * doc/c-tree.texi: Add documentation on DECL node internal structure.
2323
2324 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2325
2326         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
2327         * system.h: Poison FINALIZE_PIC.
2328         * doc/tm.texi (FINALIZE_PIC): Remove.
2329
2330 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2331
2332         PR tree-opt/22329
2333         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
2334         to the correct type if we have a MODIFY_EXPR.
2335
2336 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
2337
2338         PR tree-optimization/22360
2339         * tree.c (upper_bound_in_type): Fix calculations for casting
2340         to a non-wider signed type and casting a signed value to a
2341         wider unsigned type.
2342         (lower_bound_in_type): Fix calculations for casting to a
2343         non-wider signed type.
2344
2345         PR tree-optimization/20139
2346         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
2347         release_defs.
2348         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
2349         fold_cond_expr_cond.
2350         * tree-ssanames.c (release_defs): Assert in_ssa_p.
2351         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
2352
2353 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
2354
2355         PR tree-opt/22356
2356         * tree-complex.c (expand_complex_libcall): Produce
2357         REALPART_EXPR/IMAGPART_EXPR with the correct type.
2358
2359 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
2360
2361         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
2362         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
2363         b" assert and inserted fastpath code for this case.
2364         (bitmap_ior): Removed "a != b" assert.
2365
2366 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2367
2368         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
2369         (ENDFILE_SPEC): Likewise.
2370         * config/m32r/m32r.h (ASM_SPEC): Likewise.
2371
2372         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
2373         a large stack frame at epilogue.
2374
2375 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
2376
2377         * final.c: Include sdbout.h when required.
2378
2379 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
2380
2381         * config.gcc (*-*-darwin*): Only one target-specific header file
2382         for generic darwin.
2383         (powerpc-*-darwin*): Add version-specific header files.
2384         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
2385         * config.in: Regenerate.
2386         * configure: Regenerate.
2387         * gcc.c: Include xregex.h.
2388         (version_compare_spec_function): New.
2389         (spec_function): Add version-compare.
2390         (replace_outfile_spec_function): Reformat comment.
2391         (compare_version_strings): New.
2392         * config/darwin-c.c (version_as_macro): New.
2393         (builtin_define): New.
2394         (darwin_cpp_builtins): New.
2395         * config/darwin-protos.h (darwin_cpp_builtins): New.
2396         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
2397         (LIB_SPEC): Make unconditional, update comment.
2398         (TARGET_C99_FUNCTIONS): Define.
2399         * config/darwin.opt: Sort.
2400         (mmacosx-version-min=): New.
2401         * config/darwin7.h: Delete.
2402         * config/darwin8.h: Delete.
2403         * config/i386/darwin.h (): Call darwin_cpp_builtins.
2404         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
2405         (TARGET_C99_FUNCTIONS): Define.
2406         * config/rs6000/darwin7.h: New.
2407         * config/rs6000/darwin8.h: New.
2408         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
2409         (-mmacosx-version-min): Document.
2410
2411 2005-07-07  Ian Lance Taylor  <ian@airs.com>
2412
2413         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
2414
2415 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
2416
2417         PR middle-end/22239
2418         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
2419
2420 2005-07-07  Khem Raj  <kraj@mvista.com>
2421
2422         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
2423         in bytes, not words.
2424
2425 2005-07-07  Paul Brook  <paul@codesourcery.com>
2426
2427         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
2428         DEFAULT_FUNCTION_ARG_PADDING to upward.
2429
2430 2005-07-07  Richard Henderson  <rth@redhat.com>
2431
2432         * function.c (locate_and_pad_parm): Record parameter alignment in
2433         stack_alignment_needed.
2434
2435 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
2436
2437         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
2438         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
2439         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
2440         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
2441         (define_attr "type"): Add isync, sync, load_l, store_c.
2442         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
2443         Create scratch volatile MEM.
2444         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
2445         sync.
2446         (load_locked_<mode>): New.
2447         (store_conditional_<mode>): New.
2448         (sync_compare_and_swap<mode>): Replace with splitter.
2449         (sync_lock_test_and_set<mode>): Replace with splitter.
2450         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
2451         and UNSPECV_ISYNC.
2452         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
2453         is ics.  Attribute isync.
2454         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
2455         lwsync.
2456         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
2457         and UNSPECV_SYNC_OP.
2458         (emit_unlikely_jump): New.
2459         (emit_load_locked): New.
2460         (emit_store_conditional): New.
2461         (rs6000_split_compare_and_swap): New.
2462         (rs6000_split_lock_test_and_set): New.
2463         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
2464         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
2465         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
2466         rs6000_split_lock_test_and_set): Declare.
2467         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
2468         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
2469         store_c, isync, sync.
2470
2471 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
2472
2473         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
2474         filenames to gtyp-gen.h.
2475         (s-typ-gen): Use it in place of for loops.
2476
2477 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
2478
2479         * hooks.c (hook_bool_rtx_int_false): New function.
2480         * hooks.h (hook_bool_rtx_int_false): Declare.
2481         * target-def.h (TARGET_COMMUTATIVE_P): Define.
2482         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
2483         * target.h (struct gcc_target): Add commutative_p member.
2484         * targhooks.c (hook_bool_rtx_commutative_p): New function.
2485         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
2486         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
2487         (pa_commutative_p): New function.
2488         * jump.c (target.h): Include.
2489         (rtx_renumbered_equal_p): Use targetm.commutative_p.
2490         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
2491
2492 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2493
2494         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
2495         (s390_expand_setmem): New.
2496         * config/s390/s390.c: Likewise. 
2497         (print_shift_count_operand): Truncate to 12 bits instead of 6.
2498         Adapt comments.
2499         * config/s390/s390.md: ("setmem<mode>"): Accept character as
2500         general_operand.  Call new function "s390_expand_setmem".
2501         ("clrmem_long", "*clrmem_long"): Rewrite to ...
2502         ("setmem_long", "*setmem_long"): ... this.
2503
2504 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2505         
2506         * config/s390/s390.c: (optimization_options): Enable
2507         TARGET_MVCLE at -Os.
2508         * doc/invoke.texi: Document changes in default behaviour.
2509         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
2510
2511 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
2512
2513         * expr.c: (set_storage_via_setmem): Convert opchar to mode
2514         defined by back-end.
2515
2516 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
2517
2518         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
2519         all sets in the pattern.
2520         * config/rs6000/rs6000.md (stack_protect_testsi,
2521         stack_protect_testdi): Likewise.
2522
2523 2005-07-06  Jeff Law  <law@redhat.com>
2524
2525         * tree-vrp.c (simplify_using_ranges): Kill.
2526         (vrp_finalize): Remove call to simplify_using_ranges.
2527         (simplify_stmt_using_ranges): New function extracted from
2528         simplify_using_ranges.
2529         (simplify_div_or_mod_using_ranges): Likewise.
2530         (simplify_abs_using_ranges): Likewise.
2531         (simplify_cond_using_ranges): New function.
2532         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
2533         * tree-ssa-propagate.c (substitute_and_fold): Call
2534         simplify_stmt_using_ranges if we have range information.
2535
2536 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
2537
2538         * config/ia64/ia64.c (ia64_reorg): Check optimize before
2539         ia64_flag_schedule_isns2.
2540
2541         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
2542         reading/writing general registers.
2543         (ia64_function_arg): Revert 2005-06-18 change.
2544
2545 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
2546
2547         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
2548         (legitimize_tls_address): Use gcc_unreachable instead of abort.
2549
2550 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2551
2552         * function.c (expand_function_end): Revert part of 2005-06-27
2553         patch.  Do sjlj_emit_function_exit_after after return_label.
2554
2555 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2556
2557         * doc/install.texi (--disable-libssp): New.
2558
2559 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
2560
2561         * doc/invoke.texi: Update -fforce-mem documentation.
2562         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
2563         code for -fforce-mem.
2564         * expmed.c: (store_bit_field,store_fixed_bit_field,
2565         extract_bit_field): Ditto.
2566         * expr.c: (convert_move): Ditto.
2567         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
2568         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
2569         emit_conditional_add,expand_float,expand_fix): Ditto.
2570         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
2571         (common_handle_option): Issue warning when -fforce-mem specified.
2572
2573 2005-07-06  Paul Brook  <paul@codesourcery.com>
2574
2575         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
2576         argument is empty.
2577         * configure: Regenerate.
2578
2579 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
2580
2581         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
2582
2583 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
2584
2585         Fix PR tree-optimization/22319
2586         Fix PR tree-optimization/22140
2587         Fix PR tree-optimization/22310
2588
2589         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
2590         variable sized types.
2591         Use correct type for intermediate structure on *a = *b structure
2592         copies.
2593                 
2594 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2595
2596         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
2597         Remove.
2598         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
2599         (machine_function): Move typedef to...
2600         * config/rs6000/rs6000.c (machine_function): ... here.  Add
2601         varargs_save_offset field.
2602         (rs6000_stack_t): Remove varargs_size field.
2603         (setup_incoming_varargs): Allocate varargs save area using
2604         assign_stack_local, try to make it as small as possible.
2605         Save offset from virtual_stack_vars_rtx to the save area
2606         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
2607         instead of magic 8 when fp word byte size is used.
2608         (rs6000_va_start): Use cfun->machine->varargs_save_offset
2609         instead of -RS6000_VARARGS_SIZE.
2610         (rs6000_stack_info, debug_stack_info,
2611         rs6000_initial_elimination_offset): Remove all traces of
2612         varargs_size.
2613         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
2614         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
2615         RS6000_VARARGS_AREA.
2616
2617 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
2618
2619         PR tree-optimization/21963
2620         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
2621         constant_multiple_of in the same way get_computation_cost_at does.
2622
2623 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
2624
2625         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
2626         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
2627         (gen_compare_reg): If sparc_compare_emitted is set, clear it
2628         and return its previous value.
2629         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
2630         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
2631         constants.
2632         (stack_protect_set, stack_protect_test): New expanders.
2633         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
2634         stack_protect_testdi): New insns.
2635         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2636         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
2637
2638 2005-07-06  Jeff Law  <law@redhat.com>
2639
2640         * tree-ssa-dce.c (cfg_altered): New global.
2641         (tree_dce_init): Initialize cfg_altered.
2642         (remove_dead_stmt): If we remove an edge in the CFG, then set
2643         CFG_ALTERED.
2644         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
2645         the dominators.
2646
2647 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
2648
2649         * Makefile.in (stamp-collect-ld): Use
2650         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
2651         ./collect-ld if it already exists.
2652         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
2653         Don't remove ./nm if it already exists.
2654
2655 2005-07-05  Devang Patel  <dpatel@apple.com>
2656
2657         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
2658         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
2659         * tree-vectorizer.c (vect_loop_location): New.
2660         (vect_print_dump_info): Use vect_loop_location.
2661         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
2662         (vectorize_loops): Set vect_loop_location.
2663         * tree-vect-analyze.c (vect_analyze_offset_expr, 
2664         vect_determin_vectorization_factor, vect_analyze_operations,
2665         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
2666         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
2667         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
2668         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
2669         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
2670         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
2671         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
2672         vect_analyze_loop): Adjust vect_print_dump_info API.
2673         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2674         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
2675         vect_finish_stmt_generation, vectorizable_assignment, 
2676         vectorizable_operation, vectorizable_store, vectorizable_load, 
2677         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
2678         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2679         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
2680         vect_transform_loop): Same.
2681         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
2682         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
2683         Same.
2684
2685 2005-07-05  Randolph Chung  <tausq@debian.org>
2686
2687         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
2688         * configure: Regenerate.
2689         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
2690         (pa_tls_referenced_p): Declare.
2691         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
2692         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
2693         (legitimize_tls_address): New.
2694         (hppa_legitimize_address): Handle TLS addresses.
2695         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
2696         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
2697         (emit_move_sequence): Handle TLS addresses.
2698         (pa_encode_section_info): Call default handler to handle common 
2699         sections.
2700         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
2701         (CONSTANT_ADDRESS_P): Reject TLS operands.
2702         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
2703         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
2704         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
2705         (UNSPEC_TLSLE): Define new constants. 
2706         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
2707         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
2708         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
2709         (tie_symbolic_operand, tle_symbolic_operand): New
2710
2711 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
2712
2713         * aclocal.m4: Update macros for autoconf 2.59 style.
2714         * configure.ac: Likewise.
2715
2716 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2717
2718         * pa.c (function_value): Handle small aggregates on 32-bit targets.
2719         (function_arg): Pass small aggregates in general registers on 32-bit
2720         targets.
2721         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
2722
2723 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
2724
2725         * Makefile.in (final.o): Fix dependencies.
2726
2727 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2728
2729         PR c/22013
2730         PR c/22098
2731         * langhooks.h (struct lang_hooks): Add expr_to_decl.
2732         * langhooks.c (lhd_expr_to_decl): New.
2733         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
2734         New.
2735         (LANG_HOOKS_INITIALIZER): Update.
2736         * tree.c (recompute_tree_invarant_for_addr_expr): Call
2737         expr_to_decl langhook.
2738         * c-tree.h (c_expr_to_decl): Declare.
2739         * c-typeck.c (c_expr_to_decl): New.
2740         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
2741         specially.
2742         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
2743
2744 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
2745
2746         PR c/22308
2747         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
2748         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
2749
2750 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
2751
2752         * Makefile.in: Adjust dependencies.
2753         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
2754         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
2755         * alias.c (rest_of_handle_cfg, pass_cfg): New.
2756         * bb-reorder.c (duplicate_computed_gotos): Make it static.
2757         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
2758         rest_of_compilation.
2759
2760         * bb-reorder.c (gate_duplicate_computed_gotos,
2761         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
2762         rest_of_handle_reorder_blocks, pass_reorder_blocks,
2763         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
2764         pass_partition_blocks): New.
2765         * bt-load.c (gate_handle_branch_target_load_optimize,
2766         rest_of_handle_branch_target_load_optimize,
2767         pass_branch_target_load_optimize): New.
2768         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
2769         pass_jump2): New.
2770         * cfglayout.c (pass_insn_locators_initialize): New.
2771         * cfgrtl.c (pass_free_cfg): New.
2772         * combine.c (gate_handle_combine, rest_of_handle_combine,
2773         pass_combine): New.
2774         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
2775         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
2776         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
2777         * except.c (pass_set_nothrow_function_flags,
2778         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
2779         pass_rtl_eh): New.
2780         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
2781         rest_of_handle_shorten_branches, pass_shorten_branches,
2782         rest_of_clean_state, pass_clean_state): New.
2783         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
2784         rest_of_handle_remove_death_notes, pass_remove_death_notes,
2785         rest_of_handle_life, pass_life, rest_of_handle_flow2,
2786         pass_flow2): New.
2787         * function.c (pass_instantiate_virtual_regs, pass_init_function,
2788         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
2789         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2790         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
2791         pass_gcse): New.
2792         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
2793         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
2794         pass_rtl_ifcvt, gate_handle_if_after_combine,
2795         rest_of_handle_if_after_combine, pass_if_after_combine,
2796         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
2797         pass_if_after_reload): New.
2798         * integrate.c (pass_initial_value_sets): New.
2799         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
2800         pass_purge_lineno_notes): New.
2801         * mode-switching.c (rest_of_handle_mode_switching,
2802         pass_mode_switching): New.
2803         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
2804         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
2805         pass_loop2): New.
2806         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
2807         pass_loop_optimize): New.
2808         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
2809         pass_sms): New.
2810         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
2811         pass_gcse2): New.
2812         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
2813         pass_postreload_cse): New.
2814         * profile.c (gate_handle_profiling, pass_profiling,
2815         rest_of_handle_branch_prob, pass_branch_prob): New.
2816         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
2817         pass_split_before_regstack, gate_handle_split_before_regstack,
2818         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2819         rest_of_handle_split_all_insns, pass_split_all_insns): New.
2820         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2821         pass_stack_regs): New.
2822         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2823         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2824         pass_stack_adjustments): New.
2825         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2826         pass_regrename): New.
2827         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2828         pass_delay_slots, gate_handle_machine_reorg,
2829         rest_of_handle_machine_reorg, pass_machine_reorg): New.
2830         * rtl.h (extern void purge_line_number_notes): New.
2831         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2832         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2833         pass_sched2): New.
2834         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2835         pass_tracer): New.
2836         * value-prof.c (gate_handle_value_profile_transformations,
2837         rest_of_handle_value_profile_transformations,
2838         pass_value_profile_transformations): New.
2839         * var-tracking.c (gate_handle_var_tracking,
2840         pass_variable_tracking): New.
2841         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2842
2843         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2844         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2845         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2846         rest_of_handle_old_regalloc, rest_of_handle_regrename,
2847         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2848         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2849         rest_of_handle_gcse2, rest_of_handle_regmove,
2850         rest_of_handle_tracer, rest_of_handle_if_conversion,
2851         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2852         rest_of_handle_web, rest_of_handle_branch_prob,
2853         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2854         rest_of_handle_jump_bypass, rest_of_handle_combine,
2855         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2856         rest_of_handle_gcse, rest_of_handle_loop_optimize,
2857         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2858         rest_of_handle_mode_switching, rest_of_handle_jump,
2859         rest_of_handle_eh, rest_of_handle_stack_adjustments,
2860         rest_of_handle_flow2, rest_of_handle_jump2,
2861         rest_of_handle_peephole2, rest_of_handle_postreload,
2862         rest_of_handle_shorten_branches, rest_of_clean_state,
2863         rest_of_compilation): Remove.
2864
2865         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2866         * passes.c (dump_flags, in_gimple_form, all_passes,
2867         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2868         register_dump_files, next_pass_1, last_verified, execute_todo,
2869         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2870         from tree-optimize.c.
2871         (init_optimization_passes): Moved from tree-optimize.c,
2872         adding the RTL optimizations.
2873         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2874         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2875         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2876         register_dump_files, next_pass_1, last_verified, execute_todo,
2877         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2878         init_tree_optimization_passes, ipa_passes): Delete.
2879         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2880         the RTL dumps.
2881         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2882         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2883         from tree.h.
2884         (ipa_passes): Remove.
2885         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2886         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2887         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2888         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2889         (dump_info_p, dump_flag): Moved to tree-dump.h.
2890         
2891         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2892         cgraph.c, opts.c.
2893         * passes.c (finish_optimization_passes): Use dump_begin
2894         and dump_end, TDI_end.
2895         (gate_rest_of_compilation): New.
2896         (pass_rest_of_compilation): Use it.
2897         (gate_postreload, pass_postreload): New.
2898         * toplev.c (general_init): Rename init_tree_optimization_passes.
2899         * toplev.h (init_tree_optimization_passes): Rename to
2900         init_optimizations_passes.
2901         * tree-dump.c (dump_flag): Make static.
2902         (dump_files): Remove RTL dumps.
2903         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2904         pass_cleanup_cfg, pass_free_cfg_annotations,
2905         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2906         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2907         * tree-pretty-print.c: Include tree-pass.h.
2908         * cgraph.c: Include tree-dump.h.
2909         
2910 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2911
2912         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2913         Only fall back to saying it points to readonly memory if
2914         we can't do better.
2915
2916 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2917
2918         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2919         * config/m32r/m32r.c (m32r_compute_frame_size,
2920         m32r_expand_prologue): Take current_function_profile into
2921         account whenever we reference
2922         current_function_uses_pic_offset_table.
2923         (m32r_finalize_pic): Remove.
2924         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2925
2926 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2927
2928         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2929         instead of $<.  Don't remove ./as if it already exists.
2930
2931 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2932
2933         PR target/21723
2934         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2935         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2936         for complex modes when generating code for PA 1.0.
2937         (VALID_FP_MODE_P): New macro.
2938         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2939         sets for all general and floating point modes.  Align wide floating
2940         point modes to even register boundaries to comply with architectural
2941         requirements.
2942         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2943         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2944         (VALID_FP_MODE_P): New macro.
2945         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2946         sets for all general and floating point modes.  Align wide floating
2947         point modes to even register boundaries to comply with architectural
2948         requirements.
2949
2950 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2951
2952         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2953         to 0.
2954
2955 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2956
2957         * tree-ssa-structalias.c: Don't include expr.h.
2958
2959 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2960
2961         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2962         comments.
2963
2964 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2965
2966         Fix PR tree-optimization/22279
2967         
2968         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2969         correct operator.
2970         
2971 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2972
2973         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2974
2975 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2976
2977         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2978         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2979         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2980         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2981         config/stormy16/stormy16.c, config/v850/v850.c,
2982         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2983         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2984         Avoid "." or "\n" at end of diagnostics and capital letters at
2985         start of diagnostics.
2986         * combine.c, cse.c: Don't translate dump file output.
2987         * toplev.c (print_version): Only translate output if going to
2988         stderr.
2989
2990 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2991
2992         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2993         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2994         typos.
2995
2996 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2997
2998         * pa.c (fix_range): Fix typo in comment.
2999
3000 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
3001
3002         * tree-vrp.c (extract_range_from_assert): Replace
3003         fold (build (...)) with fold_build2.
3004
3005 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3006
3007         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
3008         gcc_gfc_char_table, init_dynamic_gfc_info): New.
3009         (format_types_orig, handle_format_attribute): Add support for
3010         format "gcc_gfc".
3011
3012 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3013
3014         * varasm.c (assemble_variable): Fix format specifier thinko.
3015
3016 2005-07-03  Ira Rosen  <irar@il.ibm.com>
3017
3018         PR tree-optimization/22029 (and 22135)
3019         * tree-pretty-print.c (dump_generic_node): Check that the node is not
3020         a phi node before calling dump_vops.
3021
3022 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3023
3024         * tree-dump.h (dump_string_field): Declare.
3025         * tree-dump.c: Use it instead of dump_string.
3026         (dump_string_field): Make non-static.
3027
3028 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3029
3030         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
3031         up the minimal CFG stuff always when optimize > 0.  Call
3032         split_all_insns_noflow in PIC case if needed.
3033
3034 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3035             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
3036
3037         PR c++/18279
3038         * c-decl.c (c_write_global_declarations): Dump contents of
3039         external scope to.
3040         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
3041         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
3042         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
3043         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
3044         is enabled.
3045         
3046 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
3047
3048         * c-common.h (GCC_DIAG_STYLE): Define.
3049         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
3050         version for format checking to 4.1.
3051         * c-format.c: Include toplev.h after c-common.h.
3052         (enum format_type): Add gcc_tdiag_format_type.
3053         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
3054         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
3055         (format_types_orig): Add gcc_tdiag.
3056         (init_dynamic_diag_info): Support gcc_tdiag formats.
3057         (handle_format_attribute): Likewise.
3058         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
3059         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
3060         version for format checking to 4.1.
3061         (warning0, warning, error, pedwarn, sorry): Use
3062         ATTRIBUTE_GCC_DIAG.
3063         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
3064         (finish_aliases_1): Do not use %qE.
3065         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
3066         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
3067         Correct format bugs.
3068         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
3069         parameter to unsigned HOST_WIDE_INT.
3070         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
3071
3072 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
3073
3074         PR middle-end/21742
3075         * expr.c (write_complex_part): Use adjust_address for MEM.
3076         (read_complex_part): Same.
3077
3078 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
3079
3080         Fix PR tree-optimization/22280
3081
3082         * tree-sra.c (generate_element_init): Remove useless loop.
3083
3084 2005-07-02  Richard Henderson  <rth@redhat.com>
3085
3086         * config/alpha/alpha.c (alpha_legitimize_address): Check for
3087         TLS_MODEL_NONE.
3088         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
3089
3090 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
3091
3092         PR middle-end/14490
3093         * fold-const.c (fold_binary): Handle the return value of
3094         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
3095         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
3096
3097 2005-07-02  Jeff Law  <law@redhat.com>
3098
3099         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
3100         a eliminate type conversion which feeds an equality comparison
3101         if the original type or either operand in the comparison is a
3102         function pointer.
3103
3104 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
3105
3106         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
3107         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
3108         texts.
3109         * config/avr/avr.c: Do not use '`' as left quote.
3110         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
3111         Remove "." from end of diagnostics.  Make diagnostics start with
3112         lowercase letter.
3113
3114 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
3115             Joseph S. Myers  <joseph@codesourcery.com>
3116
3117         * toplev.c (default_tree_printer): Handle setting location with
3118         '+' flag.
3119         * c-objc.common.c (c_tree_printer): Likewise.
3120         * c-format.c (gcc_diag_flag_specs): Add '+'.
3121         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
3122         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
3123         formats.
3124         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
3125         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
3126         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
3127         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
3128         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
3129         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
3130         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
3131         format arguments where %J is used without %D.
3132
3133 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
3134
3135         * gcc.c (LINK_SSP_SPEC): Define.
3136         (link_ssp_spec): New variable.
3137         (LINK_COMMAND_SPEC): Add %(link_ssp).
3138         (static_specs): Add link_ssp_spec.
3139         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
3140         * configure: Rebuilt.
3141         * config.in: Rebuilt.
3142
3143         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3144         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3145         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3146         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
3147         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
3148         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
3149         -0x7008(2) instead of reading __stack_chk_guard variable.
3150         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
3151         number.
3152         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
3153         (stack_protect_set, stack_protect_test): Use *_tls* patterns
3154         if TARGET_THREAD_SSP_OFFSET is defined.
3155         (stack_tls_protect_set_si, stack_tls_protect_set_di,
3156         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
3157
3158         Revert:
3159         2005-06-27  Richard Henderson  <rth@redhat.com>
3160         * libgcc-std.ver (GCC_4.1.0): New.
3161         * libgcc.h (__stack_chk_guard): Declare.
3162         (__stack_chk_fail, __stack_chk_fail_local): Declare.
3163         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
3164         * mklibgcc.in (lib2funcs): Add them.
3165
3166 2005-07-01  Richard Henderson  <rth@redhat.com>
3167
3168         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
3169         void * before struct sigcontext *.
3170         (x86_fallback_frame_state): Likewise.
3171
3172 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
3173
3174         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
3175
3176 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3177
3178         PR tree-opt/22269
3179         * tree-ssa-reassoc.c (should_transpose): Fix which operand
3180         we check for SSA_NAME for.
3181
3182 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
3183
3184         Fix PR tree-optimization/22071
3185
3186         * tree-ssa-structalias.c (offset_overlaps_with_access): New
3187         function.
3188         (get_constraint_for_component_ref): Use it.
3189
3190 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
3191
3192         PR other/22264
3193         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
3194         print out the last new line.
3195
3196 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
3197
3198         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
3199         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
3200         * config/cris/cris.c (cris_conditional_register_usage): Adjust
3201         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
3202         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
3203         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
3204         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
3205         (enum reg_class): New member CC0_REGS.
3206         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
3207         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3208         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
3209         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
3210         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
3211         Adjust for register now described.
3212
3213 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
3214
3215         PR target/22262
3216         * config/i386/i386.md (stack_protect_test_si,
3217         stack_protect_test_di): Add earlyclobber for scratch 3.
3218         * config/rs6000/rs6000.md (stack_protect_testsi,
3219         stack_protect_testdi): Add earlyclobber for scratch 3,
3220         remove earlyclobber from scratch 4.
3221
3222 Older entries for 2005 can be found in ChangeLog-2005.