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PR 23706
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1 2005-10-06  Richard Henderson  <rth@redhat.com>
2
3         PR 23706
4         * mode-switching.c (optimize_mode_switching): Clear transp bit
5         for block with incomming abnormal edges.
6
7         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
8         (fpscr_set_from_mem): Use them.
9         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
10         (fpscr postinc splitters): Rewrite as peephole2+split.
11
12 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
13
14         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
15         (eq<mode>_compare): Same.
16
17 2005-10-06  Richard Guenther  <rguenther@suse.de>
18
19         PR tree-optimization/24238
20         * tree-ssa-alias.c (find_used_portions): Handle PARAM_DECL.
21
22 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
23
24         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
25         here.  Use AC_PATH_PROG for environment variables instead of
26         test -x.
27         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
28         objdump also.
29         * configure: Regenerated.
30
31 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
32
33         PR target/23783
34         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
35         then force it into a register.
36         (call_value): Likewise.
37
38 2005-10-06  Richard Henderson  <rth@redhat.com>
39
40         PR 24049
41         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
42         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
43         under pass_vectorize.
44
45 2005-10-05  Devang Patel  <dpatel@apple.com>
46
47         PR Debug/23205
48         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
49         handling constants. Check NAMESPACE_DECL context for constants.
50         
51 2005-10-05  Eric Christopher  <echristo@apple.com>
52
53         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
54
55 2005-10-05  Richard Henderson  <rth@redhat.com>
56
57         PR 23714
58         * tree-cfg.c (mark_array_ref_addressable_1): New.
59         (mark_array_ref_addressable): New.
60         * tree-flow.h (mark_array_ref_addressable): Declare.
61         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
62
63 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
64
65         PR middle-end/20606
66         PR middle-end/24069
67         * reload.c (subst_reloads): When adding a REG_LABEL to a
68         jump instruction, also update JUMP_LABEL.
69
70 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
71
72         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
73         * bb-reorder.c (copy_bb_p): Use it.
74         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
75
76 2005-10-05  Richard Henderson  <rth@redhat.com>
77
78         PR target/23602
79         * toplev.c (process_options): Warn about unsupported combinations
80         of unwind tables and omit-frame-pointer.
81         * config/i386/i386.c (override_options): Similarly.  Enable
82         accumulate-outgoing-args if not explicitly disabled.
83
84 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
85
86         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
87         Handle big endian vs. small endian.
88         (vec_initv2sf): Handle big endian vs. small endian.
89         (*vec_extractv2sf_1): Ditto.
90
91 2005-10-05  Dale Johannesen  <dalej@apple.com>
92
93         * convert.c (convert_to_real):  Don't convert
94         (float)floor(double d) to floorf((float)d).
95
96 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
97
98         * config/arm/arm.md (insv): Use gen_int_mode in more places.
99
100 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
101
102         PR tree-optimization/18587
103         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
104         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
105         build_vuses): Change to VEC type.
106         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
107         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
108         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
109         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
110         (get_name_decl): New.  Return DECL_UID of base variable.
111         (operand_build_cmp): New.  qsort comparison routine.
112         (operand_build_sort_virtual): New.  Sort virtual build vector.
113         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
114         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
115         (FINALIZE_BASE): Use get_name_decl.
116         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
117         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
118         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
119         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
120         direct VEC_* manipulations.
121         (build_ssa_operands): Call operand_build_sort_virtual.
122         (copy_virtual_operand, create_ssa_artficial_load_stmt,
123         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
124         with direct VEC_* manipulations.
125         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
126         with direct VEC manipulations.
127
128 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
129
130         PR tree-optimization/21419
131         PR tree-optimization/24146
132         PR tree-optimization/24151
133
134         * c-typeck.c (readonly_error): Handle USE being lv_asm.
135         (build_asm_expr): Call it if outputs are read-only.
136         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
137
138 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
139             Paolo Bonzini  <bonzini@gnu.org>
140
141         PR target/23809
142
143         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
144         enable the instructions and not just the built-ins.
145         * doc/invoke.texi (x86 Options): Likewise.
146
147 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
148
149         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
150
151         * doc/invoke.texi (Option Summary): Correct spelling
152         of -mmacosx-version-min.
153
154 2005-10-04  Devang Patel  <dpatel@apple.com>
155
156         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
157         real types.
158
159 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
160
161         * tree-vect-transform.c (vect_create_epilog_for_reduction):
162         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
163
164 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
165
166         * config/s390/s390.md ("TDSI","DP"): New mode macros.
167         ("TE","tg"): New mode attributes.
168         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
169         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
170         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
171         dword_mode and one for GPRmode.
172
173 2005-10-04  Ian Lance Taylor  <ian@airs.com>
174
175         PR preprocessor/13726
176         * c-ppoutput.c (cb_include): Add comments parameter, and print out
177         any comments passed in.
178
179 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
180
181         * tree.c (annotate_with_file_line): Fix typo.
182
183 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
184
185         PR ada/19382
186         * builtins.c (fold_builtin_memcmp): When constructing the pointer
187         type used to access data in the inlined length == 1 case, use
188         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
189         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
190
191 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
192
193         * config/i386/i386.h (TARGET_FISTTP): Enable also for
194         TARGET_SSE3 and only for TARGET_80387.
195         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
196         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
197         Do not depend on TARGET_80387.
198
199 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
200
201         * tree.c (last_annotated_node): Change type to location_t*.
202         (annotate_with_file_line): Reflect the change of
203         last_annotated_node type.
204
205 2005-10-04  Richard Guenther  <rguenther@suse.de>
206
207         PR c/23576
208         * c-decl.c (grokdeclarator): Don't write to fields
209         of error_mark_node.
210
211 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
212
213         PR middle-end/23125
214         * c-decl.c (finish_decl): Use set_user_assembler_name even for
215         register variables.
216         * varasm.c (make_decl_rtl): If a register variable does not
217         have a set user assmbler name, error out.
218         Decode the asmspec is now name+1 bypassing '*'.
219
220 2005-10-04  Steven Bosscher  <stevenb@suse.de>
221
222         PR tree-optimization/23049
223         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
224         of a COND_EXPR is folded before calling fold on the whole rhs of a
225         conditional assignment.
226         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
227         document that a COND_EXPR may appear there.
228
229 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
230
231         PR 23445
232         * tree-vrp.c (extract_range_from_assert): If the new numeric
233         range created out of the assertion contradicts the existing
234         numeric range of the ASSERT_EXPR variable, make the new range
235         varying.
236
237 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
238
239         * config/sh/sh.c (sh_register_move_cost): Add case for moving
240         from T_REGS to FP register class.
241
242 2005-10-03  Richard Henderson  <rth@redhat.com>
243
244         PR 24135
245         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
246         before creating a new one.
247
248 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
249
250         * config/rs6000/t-aix43 (LDFLAGS): New.
251         * config/rs6000/t-aix52 (LDFLAGS): New.
252
253 2005-10-03  Ian Lance Taylor  <ian@airs.com>
254
255         * gimplify.c (find_single_pointer_decl_1): New static function.
256         (find_single_pointer_decl): New static function.
257         (internal_get_tmp_var): For a formal variable, set restrict base
258         information if appropriate.
259         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
260         return it.
261         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
262         (DECL_GET_RESTRICT_BASE): Define.
263         (SET_DECL_RESTRICT_BASE): Define.
264         (decl_restrict_base_lookup): Declare.
265         (decl_restrict_base_insert): Declare.
266         (struct tree_decl_with_vis): Add based_on_restrict_p field.
267         * tree.c (restrict_base_for_decl): New static variable.
268         (init_ttree): Initialize restrict_base_for_decl.
269         (copy_node_stat): Copy restrict base information.
270         (decl_restrict_base_lookup): New function.
271         (decl_restrict_base_insert): New function.
272         (print_restrict_base_statistics): New static function.
273         (dump_tree_statistics): Call print_restrict_base_statistics.
274
275 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
276
277         PR 24142
278         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
279         case of anti-ranges.
280
281 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
282
283         PR c/18851
284         * c-typeck.c (tagged_tu_seen): Rename to ...
285         (tagged_tu_seen_cache): this and add val field.
286         (comptypes): Move functional to comptypes_internal
287         and free tagged_tu_seen.
288         (comptypes_internal): New function and call comptypes_internal
289         instead of comptypes. Speed up by sibcalling
290         tagged_types_tu_compatible_p.
291         (alloc_tagged_tu_seen): New function
292         (free_all_tagged_tu_seen_up_to): New function.
293         (tagged_types_tu_compatible_p): Return the val of the seen two
294         types.
295         Add that the two types are the same to tagged_tu_seen_base
296         if they are and call comptypes_internal instead of comptypes.
297         <case UNION_TYPE>: Speed up common type where the fields are
298         in the same order.
299         (function_types_compatible_p): Call comptypes_internal instead of
300         comptypes.
301         (type_lists_compatible_p): Likewise.
302         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
303
304 2005-10-02  Matthias Klose  <doko@debian.org>
305
306         * doc/invoke.texi: Fix typo and speling error.
307
308 2005-10-01  Richard Henderson  <rth@redhat.com>
309
310         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
311
312 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
313
314         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
315         using --start-group and --end-group.
316
317 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
318
319         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
320         FIXME note regarding quirky semantics.
321
322 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
323
324         PR 24141
325         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
326         non-null range as a last resort.
327
328 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
329             Diego Novillo  <dnovillo@redhat.com>
330
331         PR 23604
332         * tree-vrp.c (extract_range_from_assert): For !=
333         assertions, only build an anti-range if LIMIT is a
334         single-valued range.
335
336 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
337
338         * arm.md (movqi): On thumb when optimizing, handle loading from
339         memory by describing this as taking a subreg of a zero-extended load
340         into an SImode register.
341         (movhi): Likewise.
342
343 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
344
345         * reload1.c (merge_assigned_reloads): Do not change any
346         RELOAD_FOR_OUTPUT_ADDRESS reloads.
347
348 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
349
350         * Makefile.in (LIPO_FOR_TARGET): Define.
351         (STRIP_FOR_TARGET): Define.
352
353         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
354         before creating new ones.  Do symlinks before creating the actual
355         targets.
356
357         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
358         to work out which multilibs are actually being built.
359
360 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
361
362         * tree-vect-transform.c, config/ms1/ms1.md,
363         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
364         Follow spelling conventions.
365         * doc/invoke.texi, doc/md.texi: Fix typos.
366
367 2005-09-30  Andrew Macleod  <amacleod@redat.com>
368
369         PR tree-optimization/21430
370         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
371         use operands, and set stmt pointer if need be.
372         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
373         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
374         present.
375
376 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
377
378         PR middle-end/24053
379         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
380
381 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
382
383         * optabs.c (expand_binop): Initialize first_pass_p.
384
385 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
386
387         PR middle-end/24109
388         * c-decl.c (c_write_global_declarations_1): If any
389         wrapup_global_declaration_2 call returned true, restart the loop.
390
391 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
392
393         Fix PR tree-optimization/24117
394         * tree-ssa-structalias.c (find_func_aliases): Strip nops
395         before considering whether to use anyoffset.
396
397 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
398
399         Revert this patch:
400
401         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
402
403         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
404         to order operands.
405         (swap_commutative_operands_with_target): New.
406
407 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
408
409         PR c/21419
410         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
411         read-only.
412
413 2005-09-29  Steven Bosscher  <stevenb@suse.de>
414
415         PR tree-optimization/23911
416         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
417         and IMAGPART_EXPR too.
418
419 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
420
421         PR 17886
422         * expmed.c (expand_shift): Move logic to reverse rotation
423         direction when  rotating by constants ...
424         * optabs.c (expand_binop): ... here.
425         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
426         (ix86_rotrdi3): New pattern.
427         (rotldi3): Handle 32-bit mode.
428         (ix86_rotldi3): New pattern.
429
430 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
431
432         PR target/24102
433         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
434         check for numbers that need no bit twiddle.
435
436 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
437
438         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
439         multilib to be built.
440
441         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
442         (stage1-start): Delete old libgcc and libunwind before moving
443         anything into the stage directory.
444         (stage2-start): Likewise.
445         (stage3-start): Likewise.
446         (stage4-start): Likewise.
447         (stageprofile-start): Likewise.
448         (stagefeedback-start): Likewise.
449         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
450         header in tm_file and CPU-specific t-darwin in tmake_file.
451         (i[34567]86-*-darwin*): Don't change tm_file.
452         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
453         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
454         shared library stub for target OS version.
455         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
456         (SHLIB_LINK): Don't make SHLIB_SOLINK.
457         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
458         (libgcc_s.%.dylib): New.
459         (LIBGCC): Define.
460         (install-darwin-libgcc-stubs): New.
461         (INSTALL_LIBGCC): New append.
462         * config/i386/darwin-libgcc.10.4.ver: New.
463         * config/i386/darwin-libgcc.10.5.ver: New.
464         * config/i386/t-darwin: New.
465         * config/rs6000/darwin-libgcc.10.4.ver: New.
466         * config/rs6000/darwin-libgcc.10.5.ver: New.
467         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
468         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
469
470 2005-09-28  Paul Brook  <paul@codesourcery.com>
471
472         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
473         denormals.
474
475 2005-09-28  Richard Guenther  <rguenther@suse.de>
476
477         PR tree-optimization/23853
478         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
479         host_integerp to verify misalignment value.
480
481 2005-09-28  Richard Henderson  <rth@redhat.com>
482
483         * builtins.c (get_builtin_sync_mode): New.
484         (expand_builtin_sync_operation): Pass in mode argument.
485         (expand_builtin_compare_and_swap): Likewise.
486         (expand_builtin_lock_test_and_set): Likewise.
487         (expand_builtin_lock_release): Likewise.
488         (expand_builtin): Update to match.
489
490 2005-09-28  Nick Clifton  <nickc@redhat.com>
491
492         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
493         formatting.  Add check to PLUS case to ensure that the offset is
494         within an acceptable range.
495
496         * config/v850/v850.md (casesi): Disable the generation of the
497         switch pattern as it is not being handled properly at the moment.
498
499         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
500         for when the high words are identical.
501
502 2005-09-27  Richard Henderson  <rth@redhat.com>
503
504         * pretty-print.c (pp_base_format): Fix typo for %>.
505
506 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
507             Devang Patel  <dpatel@apple.com>
508
509         PR tree-optimization/23625
510         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
511         LABEL_EXPR, assertion check.
512
513 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
514
515         * optabs.c (no_conflict_move_test): Check if a result of a
516         to-be-moved insn would be clobbered by an originally
517         preceding insn.
518
519 2005-09-27  Jeff Law  <law@redhat.com>
520
521         * passes.c (init_optimization_passes): Replace copy propagation
522         passes immediately after DOM with phi-only copy propagation
523         pases.  Add phi-only copy propagation pass after first DOM pass.
524         * tree-pass.h (pass_phi_only_copy_prop): Declare.
525         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
526         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
527         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
528         to init_copy_prop.  Callers updated.
529         (do_phi_only_copy_prop): New function.
530         (pass_phi_only_copy_prop): New pass descriptor.
531
532 2005-09-27  Nick Clifton  <nickc@redhat.com>
533
534         * libgcc2.c (__popcount_tab): Remove redundant prototype.
535
536 2005-09-26  Jason Merrill  <jason@redhat.com>
537
538         PR c++/13764
539         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
540
541         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
542
543 2005-09-26  James E Wilson  <wilson@specifix.com>
544
545         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
546         copyright.  Add gcc copyright plus libgcc exception.
547         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
548         copyright.
549         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
550
551 2005-09-26  Jeff Law  <law@redhat.com>
552
553         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
554         about when to iterate.
555
556 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
557
558         PR target/23847
559         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
560         for __complex__ double in -mcpu=G5 mode.
561
562 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
563
564         PR tree-optimization/23942
565         * Makefile.in (SCEV_H): Depends on PARAMS_H.
566         * tree-scalar-evolution.c: Include params.h.
567         (t_bool): New enum.
568         (follow_ssa_edge, follow_ssa_edge_in_rhs,
569         follow_ssa_edge_in_condition_phi_branch,
570         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
571         Change return type to t_bool.  Use a parameter to limit the size of
572         trees that are walked before stopping
573         (analyze_evolution_in_loop): Initialize the limit to 0.
574         (follow_ssa_edge): Give up by returning t_dont_know if the limit
575         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
576
577 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
578
579         PR middle-end/23831
580         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
581         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
582
583 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
584
585         * combine.c (make_extraction): Check for valid use of subreg.
586
587 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
588
589         PR target/24055
590         * config/i386/i386.md ("*fistdi2_1"): New pattern.
591         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
592         ("fist<mode>2_with_temp"): Use only register operands.
593
594 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
595
596         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
597         CALL_INSN_FUNCTION_USAGE.
598
599 2005-09-26  Richard Guenther  <rguenther@suse.de>
600
601         PR middle-end/15855
602         * gcse.c: Include hashtab.h, define ldst entry hashtable.
603         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
604         (ldst_entry): Use the hashtable instead of list-walking.
605         (find_rtx_in_ldst): Likewise.
606         (free_ldst_entry): Free the hashtable.
607         (compute_ld_motion_mems): Create the hashtable.
608         (trim_ld_motion_mems): Remove entry from hashtable if
609         removing it from list.
610         (compute_store_table): Likewise^2.
611         (store_motion): Free hashtable in case we did not see
612         any stores.
613
614 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
615
616         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
617         and arg1 if we are passing them to fold_build2.
618
619 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
620
621         PR 23828
622         * config/i386/i386.c (ix86_function_regparm): Fix the test for
623         a nested function.
624
625 2005-09-25  Richard Henderson  <rth@redhat.com>
626
627         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
628         SYMBOL_REF_TLS_MODEL to be correct.
629
630 2005-09-24  Richard Henderson  <rth@redhat.com>
631
632         * ipa-type-escape.c (discover_unique_type): Remove dead code at
633         end of function.  Reindent.
634
635 2005-09-24  Ian Lance Taylor  <ian@airs.com>
636
637         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
638         NEGATE_EXPR/BIT_NOT_EXPR case.
639
640 2005-09-24  Richard Henderson  <rth@redhat.com>
641
642         * c-common.c (handle_mode_attribute): When not modifying in place,
643         create subtypes for enumerations.
644         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
645         * gimplify.c (create_tmp_from_val): Likewise.
646
647 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
648
649         * config/i386/i386.md (*tls_global_dynamic_64,
650         *tls_local_dynamic_base_64): Add missing mode to call.
651         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
652
653 2005-09-24  Jan Hubicka  <jh@suse.cz>
654
655         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
656         (cgraph_clone_node): Likewise.
657         * cgraph.h (cgraph_clone_edge): Update prototype.
658         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
659         duplicated prototypes; add updating argument.
660         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
661         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
662         updating profile.
663         (cgraph_mark_inline_edge): Likewise.
664         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
665         (cgraph_flatten_node): Likewise.
666         (cgraph_decide_recursive_inlining): Likewise.
667         (cgraph_decide_inlining_of_small_function): Likewise.
668         * tree-optimize.c (tree_rest_of_compilation): Likewise.
669
670 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
671             Pete Steinmetz <steinmtz@us.ibm.com>
672
673         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
674         (rldic.): Set type to "compare".
675         (rldicr.): Same.
676         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
677         mfjmpr for MFCTR/MFLR.
678         (movdf_hardfloat64): Same.
679         (movdf_softfloat64): Same.  Correct order of store and move types.
680         (movti_string): Set type to store_ux/load_ux.
681         (load_multiple): Set type to load_ux.
682         (store_multiple): Set type to store_ux.
683         (movmemsi): Set type to store_ux.
684         (output_cbranch direct_return): Set type to jmpreg.
685         (stmw): Set type to store_ux.
686         (lmw): Set type to load_ux.
687         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
688         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
689         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
690         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
691         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
692         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
693         (rios1-fpstore): Increase latency to 3.
694         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
695         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
696
697 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
698             Andrew Pinski  <pinskia@physics.uc.edu>
699
700         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
701         operand2 constraint to "b".
702         (sync_<fetchop_name>di_internal): Same.
703         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
704         to "b".
705         (sync_old_<fetchop_name>di_internal): Same.
706         (sync_new_<fetchop_name>si_internal): Same.
707         (sync_new_<fetchop_name>di_internal): Same.
708
709 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
710
711         PR middle-end/23991
712         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
713         case, define as macros.
714
715         PR rtl-optimization/23837
716         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
717         clobber / clobber match between dest and p->first.
718
719         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
720         (no_conflict_move_test): Update comments.
721
722 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
723
724         * doc/install.texi: Update URL for Jacks.
725         * doc/sourcebuild.texi: Likewise.
726
727 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
728
729         PR target/24007
730         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
731         registers when choosing register preferences.
732         (movdf_hardfloat64): Same.
733
734 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
735
736         * expmed.c (expand_shift): Don't use the target of the rotate as
737         target for the first expanded shift insn.
738         * testsuite/gcc.dg/20050922-1.c: Testcase added.
739
740 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
741
742         PR tree-optimization/22438
743         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
744         preserved iv rhs rewriting specially.
745
746 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
747
748         * tree-data-ref.c (analyze_array_indexes): Only estimate when
749         estimate_only  is true.
750         * tree-flow.h (ref_contains_indirect_ref): New prototype.
751         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
752         tree-ssa-structalias.c
753         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
754         ref_contains_indirect_ref.
755         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
756
757 2005-09-21  DJ Delorie  <dj@redhat.com>
758
759         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
760         MASK_PTR_A0D0.
761         (mn10300_return_in_memory): Support variable size types also.
762         (mn10300_pass_by_reference): Likewise.
763         (mn10300_function_value): New.
764         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
765         (FUNCTION_OUTGOING_VALUE): Likewise.
766         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
767         * doc/invoke.texi: Document it.
768
769 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
770
771         PR target/22585
772         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
773         force integer op1 into register for XFmode compares.
774
775 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
776
777         PR middle-end/23971
778         * expmed.c (alg_code): Add alg_impossible.
779         (alg_hash_entry): Add cost.
780         (synth_mult): Record alg_impossible in the hash table if
781         multiplication by a given integer is impossble within the
782         limit.  Speed up using alg_impossible.
783
784 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
785
786         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
787         argument.  Allow and set any offset if needs_anyoffset is passed
788         in.
789         (get_constraint_for): Add argument here too.
790         Pass it down.
791         (do_structure_copy): Pass NULL to get_constraint_for.
792         (handle_ptr_arith): Ditto.
793         (find_func_aliases): Ditto.
794
795 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
796
797         PR rtl-optimization/23898
798         * output.h (get_attr_min_length): Declare.
799         * final.c (get_attr_length_1): New function, broken out of:
800         (get_attr_length).
801         (get_attr_min_length): New function.
802         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
803         (duplicate_computed_gotos): Likewise.
804         * genattr.c (insn_min_length): Generate declaration.
805         * genattrtab.c (min_fn, min_attr_value): New functions.
806         (make_length_attrs): Generate insn_min_length.
807
808 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
809
810         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
811
812 2005-09-20  Richard Henderson  <rth@redhat.com>
813
814         PR tree-optimization/24059
815         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
816         EXPAND_STACK_PARM.
817
818 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
819
820         * c.opt (fextended-identifiers): New.
821         * c-opts.c (c_common_handle_option): Handle
822         -fextended-identifiers.
823         * doc/cpp.texi: Update documentation of extended identifiers.
824         * doc/cppopts.texi (-fextended-identifiers): Document.
825
826 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
827
828         PR tree-optimization/23929
829         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
830         if expr is NULL.
831
832         PR tree-optimization/23818
833         * tree-stdarg.c (execute_optimize_stdarg): Call
834         calculate_dominance_info.
835
836 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
837
838         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
839         (analyze_siv_subscript_cst_affine): Add weak SIV test.
840         (compute_overlap_steps_for_affine_1_2): Use
841         get_number_of_iters_for_loop.
842         (analyze_subscript_affine_affine): Check whether difference is
843         zero first.
844         Use get_number_of_iters_for_loop.
845         Check whether overlap occurs outside of bounds.
846         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
847
848 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
849
850         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
851         base register if possible.
852
853 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
854
855         PR tree-optimization/18463
856         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
857         converting it directly is not possible.
858         (chrec_convert_aggressive): New function.
859         * tree-chrec.h (chrec_convert_aggressive): Declare.
860         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
861         Fold chrec conversions aggressively if asked to.
862         (instantiate_parameters): Modified because of changes in
863         instantiate_parameters_1.
864
865 2005-09-19  Richard Henderson  <rth@redhat.com>
866
867         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
868         (reduc_splus_v2df): New.
869
870 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
871
872         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
873         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
874
875 2005-09-19  Richard Henderson  <rth@redhat.com>
876
877         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
878         vcondu<SSEMODE12>.
879
880 2005-09-19  Richard Henderson  <rth@redhat.com>
881
882         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
883         (ia64_expand_dot_prod_v8qi): New.
884         * config/ia64/ia64-protos.h: Update.
885         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
886         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
887         sdot_prodv8qi, sdot_prodv4hi): New.
888         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
889
890 2005-09-19  Richard Henderson  <rth@redhat.com>
891
892         PR 23941
893         * real.c (exact_real_truncate): Return false if the format cannot
894         represent the number as a normal.
895
896         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
897         for a memory source.
898
899 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
900
901         * tree-ssa-operands.c (swap_tree_operands): Export.
902         * tree.h (swap_tree_operands): Declare.
903         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
904         Call swap_tree_operands.
905
906 2005-09-19  Richard Henderson  <rth@redhat.com>
907
908         * tree-flow.h (merge_alias_info): Declare.
909         * tree-ssa-copy.c (merge_alias_info): Export.
910         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
911         (vect_create_data_ref_ptr): Use create_iv directly.
912         (vectorizable_load): Use correct types for integer constants.
913         (vect_generate_tmps_on_preheader): Likewise.
914         (vect_gen_niters_for_prolog_loop): Likewise.
915
916 2005-09-19  Steven Bosscher  <stevenb@suse.de>
917
918         PR rtl-optimization/23943
919         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
920
921 2005-09-18  Jan Hubicka  <jh@suse.cz>
922
923         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
924
925 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
926
927         * varasm.c (output_constant): Do not abort on conversions to union
928         types between different sizes.
929
930 2005-09-18  Richard Guenther  <rguenther@suse.de>
931
932         PR middle-end/23944
933         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
934         fallback.
935
936 2005-09-18  Paul Brook  <paul@codesourcery.com>
937
938         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
939
940 2005-09-17  Richard Henderson  <rth@redhat.com>
941
942         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
943         * tree-ssa-loop.c (pass_vect_dce): Remove.
944         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
945         of pass_vectorize.
946
947 2005-09-17  Richard Henderson  <rth@redhat.com>
948
949         * tree-pass.h (pass_vect_dce): Declare.
950         * passes.c (init_optimization_passes): Add it.
951         * tree-flow.h (tree_ssa_dce): Declare.
952         * tree-ssa-dce.c (tree_ssa_dce): Export.
953         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
954         (gate_tree_vectorize): ... here.
955         (pass_vect_dce): New.
956
957 2005-09-17  Jan Hubicka  <jh@suse.cz>
958
959         * except.c (struct eh_status): Turn region_array into vec.
960         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
961         convert_from_eh_region_ranges, find_exception_handler_labels,
962         current_function_has_exception_handlers, assign_filter_values,
963         build_post_landing_pads, dw2_build_landing_pads,
964         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
965         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
966         foreach_reachable_handler, can_throw_internal_1,
967         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
968         region_array.
969         (duplicate_eh_region_1): Update region_array.
970         (duplicate_eh_regions): Resize region_array and avoid recomputing.
971
972 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
973
974         PR middle-end/22067
975         * expmed.c (expand_mult): Substitute simple register for op0 when
976         computing max_cost.
977
978 2005-09-17  Richard Henderson  <rth@redhat.com>
979
980         * expr.c (emit_move_via_integer): Add force argument, pass it on
981         to emit_move_change_mode.  Update callers.
982         (emit_move_complex): Pass true to new force argument.
983         * function.c (expand_function_end): Move expand_eh_return call
984         earlier.  Merge sub-word complex values into a pseudo before
985         copying to the return hard register.
986
987 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
988
989         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
990         between different sizes.
991
992 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
993
994         PR 23903
995
996         * passes.c (init_optimization_passes): Register dump files for
997         IPA passes first.
998
999 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1000
1001         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1002         * config/s390/s390.c (s390_overlap_p): New function.
1003         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1004         peephole2, "*xc" peephole2): Added overlap check to the peephole2
1005         condition.
1006
1007 2005-09-16  Richard Guenther  <rguenther@suse.de>
1008
1009         * ipa-pure-const.c (static_execute): Free auxiliar information.
1010         * ipa-type-escape.c (discover_unique_type): Free temporary key.
1011         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1012
1013 2005-09-15  DJ Delorie  <dj@redhat.com>
1014
1015         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1016
1017 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1018
1019         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1020         to order operands.
1021         (swap_commutative_operands_with_target): New.
1022
1023 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
1024
1025         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1026         parameter.
1027         Update callers.
1028         (estimate_iters_using_array): New function.
1029         * tree-data-ref.h (estimate_iters_using_array): Prototype
1030         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1031         Use estimate_iters_using_array instead of analyze_array.
1032
1033 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
1034
1035         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1036         as addressable.
1037
1038 2005-09-15  Michael Matz  <matz@suse.de>
1039
1040         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1041
1042 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
1043
1044         PR tree-optimization/23835
1045         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1046         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1047
1048 2005-09-14  Richard Henderson  <rth@redhat.com>
1049
1050         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1051         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1052
1053 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
1054
1055         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1056         in the ARRAY_TYPE case.
1057
1058 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1059
1060         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1061
1062 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
1063
1064         PR middle-end/22480
1065         * tree-vect-transform.c (vectorizable_operation): Return false for
1066         scalar shift operations and for vector shift operations with
1067         non-invariant shift arguments.  Use scalar tree operand op1 as
1068         a shift operand when vector shift insn pattern uses scalar shift
1069         operand.
1070         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1071
1072 2005-09-14  Olivier Hainque  <hainque@adacore.com>
1073
1074         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1075         value if it has side-effects.
1076
1077 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
1078
1079         PR target/22068
1080         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1081
1082 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
1083
1084         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1085         passed as NAME as if it were label at start of function code.
1086
1087 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1088
1089         * config/sh/sh.md (*movv4sf_i): Add general register cases to
1090         the constraints.
1091
1092 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
1093
1094         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1095         as early clobber.  Rewrite so the PIC register is not implicitly used.
1096
1097 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1098
1099         * tree.c (annotate_with_file_line): Compare line numbers before
1100         file names.
1101
1102 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
1103
1104         PR target/23816
1105         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1106         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1107
1108 2005-09-13  Ian Lance Taylor  <ian@airs.com>
1109
1110         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1111         than a HOST_WIDEST_INT to gen_doloop_begin.
1112
1113 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
1114
1115         * tree-dfa.c (dump_variable): Guard against NULL annotations.
1116
1117 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
1118
1119         PR tree-optimize/23817
1120         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1121
1122 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
1123
1124         PR target/23774
1125         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1126         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
1127         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1128         (restore_stack_nonlocal): Likewise.
1129         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1130
1131 2005-09-12  Ian Lance Taylor  <ian@airs.com>
1132
1133         PR g++/7874
1134         * c.opt (ffriend-injection): New C++ option.
1135         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1136         (C++ Dialect Options): Document -ffriend-injection.
1137
1138 2005-09-12  Josh Conner  <jconner@apple.com>
1139
1140         PR middle-end/23237
1141         * ipa-reference.c (static_execute): Don't mark variables in
1142         named sections TREE_READONLY.
1143
1144 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1145
1146         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1147         stack_tie.
1148
1149 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
1150
1151         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1152         V_MUST_DEF instead of just the first_use_p.
1153         Don't mark the virtual variables for renaming on the statement which
1154         is being removed.
1155         (pass_dse): Remove TODO_update_ssa.
1156
1157 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
1158
1159         PR middle-end/23290
1160         * stor-layout.c (compute_record_mode): For records with a single
1161         field, actually check the field's mode size against the type size.
1162
1163         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1164         registers for TARGET_SHMEDIA.
1165         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1166         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
1167         of GENERAL_REGS and FP_REGS.
1168
1169 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1170
1171         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1172
1173 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1174
1175         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1176         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1177         are omitted.  Exclude stack_tie insn too.
1178
1179 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
1180
1181         PR rtl-optimization/23098
1182         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1183         0.0f is easy.
1184         * config/rs6000/rs6000.md (movdf splitter): Use
1185         const_double_operand predicate for TARGET_POWERPC64.
1186         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1187         SYMBOL_REF method to ABI_V4.
1188
1189         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1190         replace_equiv_address.
1191         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1192         rs6000_sr_alias_set and MEM_NOTRAP.
1193         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1194
1195 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1196
1197         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1198         handle CALL_EXPR again.
1199
1200 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1201
1202         * arm/predicates.md (alignable_memory_operand): Delete.
1203
1204 2005-09-10  Richard Henderson  <rth@redhat.com>
1205
1206         PR debug/23806
1207         * dbxout.c (dbxout_expand_expr): New.
1208         (dbxout_symbol): Use it.
1209
1210 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
1211
1212         * arm.c (arm_gen_rotated_half_load): Delete.
1213         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1214         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1215         (thumb_set_return_address): Likewise.
1216         (thumb_load_double_from_address): Use adjust_address.
1217         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1218         (extendhsisi2_mem, movhi_bytes): Use change_address.
1219         (movhi): Use widen_memory_access.
1220         (reload_out_df): Use replace_equiv_address.
1221         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1222
1223 2005-09-09  Richard Henderson  <rth@redhat.com>
1224
1225         PR debug/20998
1226         * dbxout.c: Include expr.h.
1227         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1228         (dbxout_symbol): Handle DECL_VALUE_EXPR.
1229         * Makefile.in (dbxout.o): Add EXPR_H.
1230
1231 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
1232
1233         PR tree-optimization/23509
1234         * tree-cfg.c (replace_uses_by): Use replace_exp.
1235         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1236         pointers have name_mem_tag or type_mem_tag set.
1237
1238 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1239
1240         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1241         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1242         of wrongly accessing operands.
1243
1244 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1245
1246         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1247         * tree-chrec.c: Include tree-scalar-evolution.h.
1248         (chrec_convert): Instantiate the base and step before calling
1249         scev_probably_wraps_p that would fail on parametric evolutions.
1250         Collect all the fails into a single section failed_to_convert,
1251         print a diagnostic, and return chrec_dont_know instead of calling
1252         fold_convert.
1253         * tree-scalar-evolution.c (loop_closed_phi_def): New.
1254         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1255         phi nodes.
1256         (scev_const_prop): Don't replace the definition of a loop closed ssa
1257         phi node by itself, or by another loop closed ssa phi node.
1258         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1259         that base and step are defined.
1260
1261 2005-09-09  Richard Guenther  <rguenther@suse.de>
1262
1263         PR c++/23624
1264         * fold-const.c (fold_ternary): Check truth_value_p before
1265         calling invert_truthvalue.
1266
1267 2005-09-09  Nick Clifton  <nickc@redhat.com>
1268
1269         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1270         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1271         dimension of these arrays.
1272         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1273         these arrays.
1274         * longlong.h: Only provide a prototype for the __clz_tab[] array
1275         if this header has not been included from libgcc2.h.
1276         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1277         defining own types.
1278         Provide prototypes for exported functions.
1279         Use the __clz_tab[] and __popcount_tab[] arrays provided by
1280         libgcc2.c.
1281
1282 2005-09-08  Josh Conner  <jconner@apple.com>
1283
1284         PR c++/21135
1285         PR c++/23180
1286         * expr.c (expand_expr_addr_expr_1): Don't invoke
1287         expand_simple_binop for EXPAND_INITIALIZER.
1288
1289 2005-09-08  Richard Henderson  <rth@redhat.com>
1290
1291         PR debug/23190
1292         * toplev.c (wrapup_global_declaration_1): Split out ...
1293         (wrapup_global_declaration_2): ... from ...
1294         (wrapup_global_declarations): ... here.  Return bool.
1295         (check_global_declaration_1): Split out ...
1296         (check_global_declarations): from here.
1297         (emit_debug_global_declarations): New.
1298         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1299         check_global_declaration_1, emit_debug_global_declarations): Declare.
1300         * c-decl.c (c_write_global_declarations_1): Don't create a vector
1301         of decls.  Call wrapup_global_declaration_1,
1302         wrapup_global_declaration_2, check_global_declaration_1 directly.
1303         (c_write_global_declarations_2): New.
1304         (ext_block): New.
1305         (c_write_global_declarations): Call c_write_global_declarations_2.
1306         * langhooks.c (write_global_declarations): Call
1307         emit_debug_global_declarations.
1308
1309         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1310         remove decls that have DECL_RTL_SET_P.
1311         * passes.c (rest_of_decl_compilation): Invoke
1312         cgraph_varpool_finalize_decl for all but functions.
1313
1314 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1315
1316         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1317         the result of a conversion if the new min and max cannot be compared.
1318
1319 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1320
1321         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1322         (override_options): Setting s390_sr_alias_set removed.
1323         (save_fpr, save_gprs): Set alias set to vararg or frame.
1324         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1325         s390_sr_alias_set with get_frame_alias_set ().
1326         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1327         get_varargs_alias_set ().
1328
1329 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1330
1331         PR objc/20574
1332         PR objc/19324
1333         * c-parser.c (c_parser_objc_method_definition): If the next
1334         token is not "{", error out and don't start the function.
1335
1336 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1337
1338         * tree-vrp.c (extract_range_from_expr): Move the check for non
1339         nullness after the check for gimple invariant.
1340
1341 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1342
1343         * tree.c (host_integerp, tree_low_cst): Correct function comment.
1344
1345 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1346
1347         PR target/23747
1348         * config/m32r.md (movmemsi_internal): Canonicalize order of
1349         operands in PLUS component of template.
1350
1351 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1352
1353         * reload1.c (fixup_eh_region_note): Remove assertion.
1354         (fixup_abnormal_edges): Reverted removal of call to
1355         find_many_sub_basic_blocks made on 2005-08-31.
1356
1357 2005-09-07  Richard Henderson  <rth@redhat.com>
1358
1359         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1360         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1361         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1362         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1363         rearrange for better packing.
1364         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1365         (lookup_cfa_1): Remove inline marker.
1366         (cfa_equal_p): Split out of ...
1367         (def_cfa_1): ... here.  Use INVALID_REGNUM.
1368         (build_cfa_loc): Handle !cfa->indirect.
1369         (frame_pointer_cfa_offset): New.
1370         (dbx_reg_number): Assert register elimination performed; do
1371         leaf register remapping.
1372         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1373         (eliminate_reg_to_offset): New.
1374         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
1375         for verifiably local stack frame addresses; re-base to CFA.
1376         (mem_loc_descriptor): Remove can_use_fbreg argument.
1377         (concat_loc_descriptor, loc_descriptor): Likewise.
1378         (containing_function_has_frame_base): Remove.
1379         (rtl_for_decl_location): Don't do register elimination or
1380         leaf register remapping here.
1381         (secname_for_decl): Split out from ..
1382         (add_location_or_const_value_attribute): ... here.
1383         (convert_cfa_to_loc_list): New.
1384         (compute_frame_pointer_to_cfa_displacement): New.
1385         (gen_subprogram_die): Use them.
1386         * tree.h (frame_base_decl): Remove.
1387         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1388         (prologue_stack_adjust): Remove.
1389         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1390         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1391         (set_frame_base_location): Remove.
1392         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1393         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1394         (vt_add_function_parameters): Don't eliminate_regs.
1395         (vt_initialize): Don't create frame_base_decl.
1396
1397 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1398
1399         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1400         version of GNU binutils for 4.x and later.
1401
1402 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
1403
1404         * ggc-page.c (ggc_push_context): Remove.
1405         (ggc_pop_context): Likewise.
1406         * ggc.h (ggc_push_context): Remove.
1407         (ggc_pop_context): Likewise.
1408
1409 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1410
1411         PR target/8973
1412         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1413         returning from an interrupt handler.
1414
1415 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1416
1417         PR target/8972
1418         * config/arc/arc.c (output_shift): Add check for loop count when
1419         optimizing.
1420
1421 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1422
1423         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1424         form manually.
1425         (abs_replacement): Likewise.
1426         (pass_phiopt): Remove TODO_update_ssa.
1427
1428 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1429
1430         PR c/23075
1431         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1432         if "return with no value, in function returning non-void" warning
1433         has been issued.
1434         * tree-cfg.c (execute_warn_function_return): Don't look at
1435         RETURN_EXPRs with TREE_NO_WARNING set.
1436
1437         PR target/22362
1438         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1439         for internal functions doesn't use registers used by global registers
1440         variables.  Use fewer register parameters if there are global register
1441         variables.
1442
1443 2005-09-06  Olivier Hainque  <hainque@adacore.com>
1444             Eric Botcazou  <ebotcazou@adacore.com>
1445
1446         PR middle-end/14997
1447         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1448         when we would be extracting outside its bit span (bitpos+bitsize
1449         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1450         Ada unchecked conversions.
1451
1452 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1453
1454         * tree-ssa-pre.c (try_look_through_load): New function.
1455         (compute_avail): Use it to try to look through loads for some
1456         more useful expressions.
1457
1458 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1459
1460         * simplify-rtx.c (simplify_binary_operation_1): Correct the
1461         condition for detecting cases like (a&a) and (a^a).
1462
1463 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
1464
1465         * common.opt: Add option ftree-vect-loop-version.
1466         * params.def: Add --param vect-max-version-checks.
1467         * doc/invoke.texi: Document ftree-vect-loop-version and
1468         --param vect-max-version-checks.
1469         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1470         may_misalign_stmts and defines for accessors.
1471         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1472         LOOP_VINFO_MAY_MISALIGN_STMTS.
1473         (destroy_loop_vec_info): VEC_free for
1474         LOOP_VINFO_MAY_MISALIGN_STMTS.
1475         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1476         Update documentation.
1477         (vect_update_misalignment_for_peel): New.
1478         (vect_enhance_data_refs_alignment): Update to choose loop
1479         peeling or loop versioning if appropriate for the (potentially)
1480         unaligned data references in the loop.
1481         (vect_analyze_data_refs_alignment): Remove call to
1482         vect_enhance_data_refs_alignment so the checks can be done
1483         earlier.
1484         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1485         and move up call to vect_analyze_data_refs_alignment.
1486         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1487         (vect_transform_loop): Add call to loop_version.
1488
1489 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1490
1491         PR rtl-optimization/23098
1492         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1493         * simplify-rtx.c (constant_pool_reference_p): New function.
1494         * rtl.h (constant_pool_reference_p): New prototype.
1495         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1496         constant_pool_reference_p in condition and
1497         avoid_constant_pool_reference in preparation statements.
1498
1499 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1500
1501         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1502         STRICT_LOW_PART SETs.
1503
1504 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
1505
1506         PR middle-end/21460
1507         * except.c (sjlj_emit_function_enter): Find the function begin
1508         note even when it's not in first basic block.
1509
1510 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
1511
1512         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
1513         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1514         * aclocal.m4: Regenerate.
1515
1516 2005-09-05  DJ Delorie  <dj@redhat.com>
1517
1518         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1519         of macro.
1520
1521 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
1522
1523         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1524         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1525         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1526         Follow spelling conventions.
1527         * doc/invoke.texi: Follow spelling conventions.
1528
1529 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1530
1531         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1532         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1533         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1534
1535 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1536
1537         PR target/23683
1538         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1539         (output_stack_adjust): Use gen_tmp_stack_mem.
1540         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1541         (sh_set_return_address, sh_allocate_initial_value): Likewise.
1542         (sh_get_pr_initial_val): Likewise.
1543         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1544         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
1545         * sh.md (divsi_inv_m0): Use gen_const_mem.
1546         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1547         (movdf_i4+1): Use gen_tmp_stack_mem.
1548         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1549         (fpu_switch+2): Likewise.
1550         (movv4sf_i, movv16sf_i): Use adjust_address.
1551         (symGOT_load): Set MEM_NOTRAP_P bit.
1552
1553 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1554
1555         PR target/23721
1556         * pa.c (emit_move_sequence): Fix typo in last change.
1557
1558 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR rtl-optimization/23454
1561         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1562         is true.
1563
1564 2005-09-03  Richard Henderson  <rth@redhat.com>
1565             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1566
1567         PR middle-end/23671
1568         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1569         gen_rtx_MEM.
1570
1571 2005-09-02  Nicolas Pitre <nico@cam.org>
1572
1573         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1574         to bit_count to 32 bits.
1575
1576 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
1577
1578         PR c++/23167
1579         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1580         generating synthetic loads from volatile lvalues.
1581
1582 005-09-02  Nick Clifton  <nickc@redhat.com>
1583
1584         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1585         __ctzhi2, __clzhi2): New functions.
1586
1587 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
1588
1589         PR middle-end/23547
1590         * tree-nested.c (struct var_map_elt): Mark with GTY.
1591         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
1592         var_map_elt.
1593         (lookup_field_for_decl): Allocate new element in GC memory.
1594         (lookup_tramp_for_decl): Likewise.
1595         (convert_nl_goto_reference): Likewise
1596         (create_nesting_tree): Allocate info in GC memory. Likewise for
1597         info->var_map.
1598         (free_nesting_tree): Free with ggc_free instead of free.
1599         (root): New static variable.
1600         (lower_nested_functions): Remove root as local variable.  And zero out
1601         root at the end of the function.
1602
1603 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
1604
1605         PR rtl-optimization/20365
1606         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1607         to short.  New member ix.
1608         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1609         (simplify_plus_minus): Initialize ix members before calling qsort.
1610
1611 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
1612
1613         PR tree-optimization/23626
1614         * tree-cfg.c (replace_uses_by): Clean up eh info.
1615
1616 2005-09-01  DJ Delorie  <dj@redhat.com>
1617
1618         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1619         fprintf.
1620
1621 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
1622
1623         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1624         (rs6000_split_multireg_move): Use replace_equiv_address instead of
1625         gen_rtx_MEM.
1626
1627 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1628
1629         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
1630         do not issue warning for a variable definition following
1631         a declaration.
1632
1633 2005-09-01  Richard Henderson  <rth@redhat.com>
1634
1635         PR 23668
1636         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1637         conversion to CONST_VECTOR.
1638
1639 2005-09-01  Richard Henderson  <rth@redhat.com>
1640
1641         PR 23676
1642         * reload1.c (reload_as_needed): Check !CALL_P before calling
1643         fixup_eh_region_note.
1644         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1645
1646 2005-09-01  DJ Delorie  <dj@redhat.com>
1647
1648         * varasm.c (output_constant): Let the target resolve
1649         conversions of addresses to non-default pointer sizes.
1650
1651 2005-09-01  Nicolas Pitre <nico@cam.org>
1652
1653         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1654         to alow matching ARM pre-indexed addressing mode.
1655         (arm_override_options): Remove now irrelevant comment.
1656
1657 2005-09-01  Phil Edwards  <phil@codesourcery.com>
1658
1659         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
1660         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
1661         * config/i386/vxworks.h:  Likewise.
1662         * config/i386/t-vxworksae:  New file, for VxWorks AE.
1663         * config/i386/vxworksae.h:  Likewise.
1664
1665 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
1666
1667         PR tree-optimization/23410
1668         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1669         sequence is not wrapping during the first step.
1670
1671 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1672
1673         PR debug/7241
1674         * dwarf2out.c (base_type_die): Compare char_type_node with
1675         TYPE_MAIN_VARIANT (type), not type.
1676
1677 2005-09-01  Richard Guenther  <rguenther@suse.de>
1678
1679         PR tree-optimization/15366
1680         * common.opt: Add -finline-functions-called-once.
1681         Put -fearly-inlining in alphabetically ordered place.
1682         * doc/invoke.texi: Document new option.
1683         * ipa-inline.c (cgraph_decide_inlining): Honour
1684         flag_inline_functions_called_once.
1685
1686 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1687
1688         PR rtl-optimization/23478
1689         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1690         (alloc_qty): Initialize it.
1691         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1692         (combine_regs): Combine also n_throwing_calls_crossed fields.
1693         (find_free_reg): Don't attempt to caller-save pseudos crossing
1694         calls that might throw.
1695         * global.c (struct allocno): Add throwing_calls_crossed field.
1696         (global_alloc): Revert 2005-08-22 change.  Initialize
1697         throwing_calls_crossed.
1698         (find_reg): Don't attempt to caller-save pseudos crossing calls that
1699         might throw.
1700
1701 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
1702
1703         PR target/23649
1704         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1705         (mask64_operand): Reinstate code prior to 2005-06-11 change.
1706         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1707         (and64_2_operand): Tweak to use predicate.
1708         (and_operand): Adjust for mask_operand changes.
1709         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1710         (print_operand): Likewise.
1711         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1712         (mask64_1or2_operand): Delete.
1713         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1714         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1715         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1716         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1717         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1718         (rotldi3_internal4): Likewise.
1719         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1720         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1721         (ashldi3_internal7): Likewise.
1722         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1723         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1724         (anddi3 split): Don't match mask64_operand.
1725         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1726         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1727         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1728         't' splitter predicate.
1729         (movdi_internal64 + 2): Revert 2005-06-11 change.
1730
1731 2005-08-31  DJ Delorie  <dj@redhat.com>
1732
1733         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1734         (m32c_asm_integer): Add support for 32 bit pointers.
1735
1736 2005-08-31  Richard Henderson  <rth@redhat.com>
1737
1738         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1739         component-like references for setting MEM_NOTRAP_P.
1740
1741         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1742         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1743
1744 2005-08-31  Richard Henderson  <rth@redhat.com>
1745
1746         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1747         into a pseudo before applying gen_lowpart.
1748
1749 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1750
1751         * doc/install.texi (Specific): Update cctools version required
1752         for full functionality.
1753         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1754         linkers as -macosx_version_min.
1755
1756 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1757
1758         PR target/21255
1759         * sh.c (print_operand, %R and %S): Add handling of floating point
1760         registers, memory, constants and invalid operands.
1761
1762 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1763
1764         * ipa-pure-const.c: Change dump name.
1765
1766 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1767
1768         PR target/23570
1769         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1770         to "reg_or_0_operand".
1771         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1772
1773 2005-08-31  Dale Johannesen  <dalej@apple.com>
1774
1775         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1776         loops that count down.
1777
1778 2005-08-31  Richard Henderson  <rth@redhat.com>
1779
1780         PR rtl-opt/23601
1781         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1782         (fixup_eh_region_note): New.
1783         (reload_as_needed): Call it.
1784         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1785         don't call find_many_sub_basic_blocks; call verify_flow_info.
1786         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1787         (keep_stack_depressed): Likewise.
1788         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1789
1790 2005-08-31  Richard Henderson  <rth@redhat.com>
1791
1792         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1793         fp return matching.
1794
1795 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1796
1797         * expr.c (expand_expr_real_1): Compare size of address
1798         mode to target's address mode size in deciding expansion of
1799         the constant address.
1800
1801 2005-08-31  Richard Guenther  <rguenther@suse.de>
1802
1803         PR middle-end/23477
1804         * expr.c (all_zeros_p): New function.
1805         (expand_expr_real_1): Handle the case of an all-zero
1806         non-addressable constructor separately.
1807
1808 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1809
1810         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1811         arguments, adjust all callers.
1812         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1813
1814 2005-08-30  Richard Henderson  <rth@redhat.com>
1815
1816         PR target/23630
1817         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1818         whenever the mode sizes match.
1819
1820 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1821
1822         * calls.c (load_register_parameters): Fix comment typo.
1823         * expr.c (emit_push_insn): Comment formatting.
1824
1825 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1826
1827         * config/i386/x-cygwin (host-cygwin): Change dependency from
1828         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1829
1830 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1831
1832         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1833         parts of 'vals'.
1834
1835 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1836
1837         PR middle-end/23408
1838         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1839         call to ggc_collect.
1840
1841 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1842
1843         PR bootstrap/21268
1844         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1845         beginning.  Remove $(INCLUDES) from all the rules, if following
1846         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1847
1848 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1849
1850         PR middle-end/23484
1851         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1852         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1853         not constant, but maxlen is, don't set len to maxlen, rather
1854         set maxlen to len if len is a constant.
1855
1856 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1857
1858         PR tree-optimization/23475
1859         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1860         and counts.
1861
1862 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1863
1864         Fix PR middle-end/22455
1865
1866         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1867         Checksum only the parts of the tree that exist for the tree code.
1868
1869 2005-08-28  Dale Johannesen  <dalej@apple.com>
1870
1871         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1872
1873 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1874
1875         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1876
1877 2005-08-28  Richard Henderson  <rth@redhat.com>
1878
1879         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1880         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1881         of char_type_node.
1882
1883 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1884
1885         PR ada/23593
1886         * builtins.c (get_memory_rtx): Don't strip nops
1887         in between COMPONENT_REFs.
1888
1889 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1890
1891         PR middle-end/23463
1892         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1893         types.
1894         (gimplify_modify_expr): Check for zero sized types and gimplify the
1895         rhs and lhs as statements.
1896
1897 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1898
1899         PR libgcj/23508
1900         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1901         state for return address column of signal frames.
1902
1903 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1904
1905         PR target/23539
1906         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1907         bytes >= 2 not bytes == 2.
1908         (expand_block_move): Same.
1909
1910 2005-08-27  Richard Guenther  <rguenther@suse.de>
1911
1912         PR target/23575
1913         * config/i386/sse.md (sse2_movsd): Add missing closing
1914         braces.
1915
1916 2005-08-27  Paul Brook  <paul@codesourcery.com>
1917
1918         * genrecog.c (enum decision_type): Add DT_num_insns.
1919         (struct decision_test): Add u.num_insns.
1920         (add_to_sequence): Add DT_num_insns test.
1921         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1922         (write_cond, debug_decision_2): Ditto.
1923         (change_state): Assume peep2_next_insn never fails.
1924         Remove "afterward" argument.
1925         (write afterward, write_tree): Update to match.
1926         * recog.c (peep2_current_count): New variable.
1927         (peep2_next_insn): Check it.
1928         (peephole2_optimize): Set peep2_current_count.
1929         * recog.h (peep2_current_count): Declare.
1930
1931 2005-08-26  Josh Conner  <jconner@apple.com>
1932
1933         PR middle-end/23584
1934         * ipa-pure-const.c (check_tree): Check for volatile-ness
1935         when considering a dereference.
1936
1937 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1938
1939         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1940
1941 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR rtl-optimization/23561
1944         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1945         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1946         at most LEN bytes long memory fits into the field.
1947         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1948         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1949         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1950
1951 2005-08-26  Richard Henderson  <rth@redhat.com>
1952
1953         PR rtl-opt/23560
1954         * loop.c (biased_biv_may_wrap_p): New.
1955         (maybe_eliminate_biv_1): Use it to suppress non-equality
1956         comparison transformations.  Delete disabled code.
1957
1958 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1959
1960         * combine.c (make_extraction): Avoid reference outside object.
1961
1962 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1963
1964         * stor-layout.c (finalize_type_size): Restore behaviour for
1965         non-aggregate types to the status quo ante of the patch for
1966         pr 23467.  Document why it matters.
1967
1968 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1969
1970         PR c/23506
1971         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1972         array by one element, initialize the BT_LAST element with NULL.
1973
1974 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1975
1976         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1977         optimizing for size.
1978         (plus_eqsi): Same.
1979         (compare_plus_eqsi): Same.
1980         (plus_eqsi_compare): Same.
1981         (neg_eq0<mode>): Same.
1982         (neg_eq<mode>): Same.
1983
1984         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1985         PROCESSOR_POWER4.
1986
1987 2005-08-26  Nick Clifton  <nickc@redhat.com>
1988
1989         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1990         TARGET_EP is not defined.
1991         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1992         TARGET_EP is enabled.
1993         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1994         * config/v850/v850.md (save_all_interrupt): Only use the EP
1995         register if TARGET_EP is defined.
1996         (restore_all_interrupt): Likewise.
1997         * config/v850/lib1funcs.asm: Update functions so that the EP
1998         register is only used if __EP__ is defined.
1999
2000 2005-08-26  David Ung  <davidu@mips.com>
2001
2002         * config/mips/mips.c (mips_expand_prologue): Handle case when
2003         generating for MIPS16 and the outgoing argument area is more than
2004         SMALL_OPERAND. Use the frame pointer as temporary to generate the
2005         add instruction.
2006
2007 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
2008
2009         * config/crx/crx.md: Make doloop_end pattern usage controllable
2010         via mloop-nesting=<max-nesting> command line switch. Make sure
2011         the combiner cannot use doloop_end_<mode> in an illegal way.
2012         * config/crx/crx.c: Use regs up to r6 for argument passing.
2013         Refine crx_address_cost (non cst4 displacements are expensive).
2014         * config/crx/crx.opt: Add switch for mloop-nesting=.
2015
2016 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
2017
2018         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2019         (UNSPEC_MVST): New constant.
2020
2021 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
2022
2023         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2024         Reject operands containing eliminable registers.
2025         * testsuite/gcc.dg/20050825-1.c: New testcase.
2026
2027 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2028             Jan Hubicka  <jh@suse.cz>
2029
2030         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2031
2032 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2033
2034         PR tree-optimization/23546
2035         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2036         and REAL_CST nodes.
2037
2038 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
2039
2040         * params.def (PARAM_MIN_SPEC_PROB): New.
2041         * sched-rgn.c (MIN_PROBABILITY): Delete.
2042         (compute_trg_info): Convert to PARAM_VALUE.
2043         * doc/invoke.texi (param): Document min-spec-prob.
2044
2045 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
2046
2047         * config/darwin.h: define __PIC__
2048         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2049         TARGET_OS_CPP_BUILTINS macro.
2050
2051 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2052
2053         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2054         yesterday.
2055
2056 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2057
2058         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2059         to duplicate_block.
2060         * cfghooks.c (duplicate_block): Added position where to place
2061         new block as argument.
2062         * cfghooks.h (duplicate_block): Declaration changed.
2063         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
2064         duplicate_block.
2065         * cfglayout.h (copy_bbs): Declaration changed.
2066         * cfgloop.h (loop_version): Declaration changed.
2067         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2068         position to copy_bbs.
2069         (loop_version): Pass position to duplicate_loop_to_header_edge.
2070         Add place_after argument and position new blocks according to
2071         it.
2072         * modulo-sched.c (sms_schedule): Pass place_after argument
2073         to loop_version.
2074         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2075         * tree-cfg.c (split_edge_bb_loc): New function.
2076         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2077         to determine position of new blocks.
2078         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2079         to loop_version.
2080         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2081         argument to duplicate_block.
2082         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2083         Pass position to copy_bbs.
2084
2085 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2086
2087         * fold-const.c (ptr_difference_const): Use
2088         cst_and_fits_in_hwi instead of host_integerp.
2089
2090 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2091
2092         * config/darwin.c (gen_pic_offset): New.
2093         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
2094         Use it.
2095
2096 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
2097
2098         PR tree-optimization/23486
2099         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2100
2101 2005-08-23  Phil Edwards  <phil@codesourcery.com>
2102
2103         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
2104         remove use_collect2.
2105         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
2106
2107         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
2108         configuration files to override the default value.
2109
2110         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
2111         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2112         * config/vx-common.h:  New file, split out from...
2113         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
2114         * config/vxworksae.h:  New file, for VxWorks AE.
2115         * config/vxworks.opt:  New file.
2116         * config/vxlib.c:  Update for VxWorks 6.
2117
2118         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
2119         other MULTILIB_* variables appropriately.
2120         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
2121         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
2122         * config/rs6000/vxworks.h:  Update for VxWorks 6.
2123         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
2124
2125 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
2126
2127         PR target/20799
2128         * config/darwin.c (machopic_select_section): Remove the hack to
2129         mark "::operator new" and "::operator delete" for coalescing
2130         even though they are not weak.
2131
2132 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
2133
2134         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2135         * configure: Regenerate.
2136
2137 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2138
2139         PR middle-end/23517
2140         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2141         between vectors.
2142         * convert.c (convert_to_integer, convert_to_vector): Likewise.
2143         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2144         Likewise.
2145
2146 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2147
2148         * config/rs6000/predicates.md (equality_operator): New.
2149         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2150         comparison with a large constant.
2151
2152 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
2153
2154         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2155
2156 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
2157
2158         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2159         registers is even, and we have a hardware double precision fp,
2160         align the buffer.
2161         (sh_gimplify_va_arg_expr): For floating point arguments, consider
2162         size of current argument when checking if argument was passed in
2163         registers.
2164
2165         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2166
2167         PR middle-end/23467
2168         * stor-layout.c (finalize_type_size): Dont override
2169         existing alignment with a smaller alignment from the mode.
2170
2171 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2172
2173         * lambda-code.c (lambda_vector_lexico_pos): Moved...
2174         * lambda.h (lambda_vector_lexico_pos): ... here.
2175         * tree-data-ref.c (build_classic_dist_vector): Return false when
2176         the distance vector is lexicographically negative.
2177
2178 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2179
2180         PR tree-optimization/23511
2181         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2182         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2183
2184 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR tree-optimization/22043
2187         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2188         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2189         If ALLOW_FLEXARR, handle types ending with flexible array member.
2190         Pass false as second argument to recursive count_type_elements calls.
2191         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2192         argument to count_type_elements call.
2193         * tree-sra.c (decide_block_copy): Likewise.
2194         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2195         for a constant-sized object, set cleared as well.  Pass true as
2196         second argument to count_type_elements call.
2197
2198 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2199
2200         PR target/21571
2201         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2202         from legitimate_small_data_p, and make global.  Update use.
2203         Remove forward declaration.
2204         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2205         Declare.
2206         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2207
2208 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
2209
2210         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2211         of scratch intermediates.
2212         (eq<mode>_compare): Same.
2213         (neg_eq0<mode>): New.
2214         (neg_eq<mode>): Convert to define_insn_and_split.
2215
2216 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2217
2218         PR target/23070
2219         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2220         stdarg functions, set/clear the fp marker even when no variable
2221         args are passed.
2222         * config/rs6000/sysv4.opt (mprototype): Describe.
2223
2224 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
2225
2226         PR rtl-optimization/23478
2227         * regs.h (reg_info): Add throw_calls_crossed.
2228         (REG_N_THROWING_CALLS_CROSSED): Define.
2229         * flow.c (allocate_reg_life_data): Initialize
2230         REG_N_THROWING_CALLS_CROSSED.
2231         (propagate_one_insn, attempt_auto_inc): Update
2232         REG_N_THROWING_CALLS_CROSSED.
2233         * global.c (global_alloc): Don't allocate pseudos across
2234         calls that may throw.
2235
2236 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2237
2238         PR c/18715
2239         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2240         value is inbetween the range if we did not find an exact match.
2241
2242 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
2243
2244         * doc/invoke.texi (Option Summary): Add ms1 options.
2245         * doc/extend.texi: Document interrupt handler attribute for ms1.
2246         * doc/md.texi: Document ms1 constraints.
2247         * config.gcc: Add ms1-*-elf.
2248         * config/ms1/ms1.h: New.
2249         * config/ms1/ms1.c: New.
2250         * config/ms1/ms1.md: New.
2251         * config/ms1/ms1-protos.h: New.
2252         * config/ms1/ABI.txt: New.
2253         * config/ms1/crti.asm: New.
2254         * config/ms1/crtn.asm: New.
2255         * config/ms1/lib2extra-funcs.c: New.
2256         * config/ms1/t-ms1: New.
2257         * config/ms1/ms1.opt: New.
2258
2259 2005-08-22 Ira Rosen <irar@il.ibm.com>
2260
2261         * config/rs6000/altivec.md (xorv4sf3): New.
2262         (negv4sf2, neg<mode>2): Likewise.
2263
2264 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
2265
2266         PR target/23485
2267         * config/ia64/ia64.md (divsi3): Check divide by zero.
2268         (udivsi3): Likewise.
2269         (divdi3): Likewise.
2270         (udivdi3): Likewise.
2271
2272 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
2273
2274         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2275         up to elem_bitsize bits, not max_bitsize.
2276
2277 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2278
2279         PR tree-optimization/23433
2280         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2281         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2282
2283 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2284
2285         PR tree-optimization/23434
2286         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2287         the iteration bound is not an INTEGER_CST.
2288
2289 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
2290
2291         * tree-vect-transform.c (get_initial_def_for_reduction): Set
2292         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2293         NULL if need_epilog_adjust is false.
2294         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2295         Case 3 always peels first itration, not just for PLUS case, and no need
2296         to use scalar_initial_def here. Create an epilog adjustment only if
2297         scalar_initial_def is not NULL.
2298
2299         (vectorizable_reduction): Remove assert.
2300
2301 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2302
2303         PR target/23485
2304         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2305         (__moddi3): Likewise.
2306         (__udivdi3): Likewise.
2307         (__umoddi3): Likewise.
2308         (__divsi3): Likewise.
2309         (__modsi3): Likewise.
2310         (__udivsi3): Likewise.
2311         (__umodsi3): Likewise.
2312
2313 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
2314
2315         * tree-pass.h (TDF_GRAPH): Define.
2316         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2317         * passes.c (finish_optimization_passes): Only call
2318         finish_graph_dump_file if TDF_GRAPH is set.
2319         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2320         NULL.  Set TDF_GRAPH bit.
2321         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2322
2323 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
2324
2325         * arm.h (arm_stack_offsets): Add locals_base field.
2326         * arm.c (arm_get_frame_offsets): Compute it.
2327         (thumb_compute_initial_elimination offset): Make the Thumb frame
2328         pointer point to the base of the local variables.
2329         (thumb_expand_prologue): Update accordingly.
2330         (thumb_expand_epilogue): Likewise.
2331
2332         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
2333         mode of clobbered scratch to DImode.  Handle a case that's known to
2334         need this.
2335
2336 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
2337
2338         * config/rs6000/rs6000.md (gt0<mode>): Delete.
2339         (gt0<mode>_compare): Delete.
2340         (neg_gt0<mode>): Delete.
2341
2342 2005-08-19  Eric Christopher  <echristo@apple.com>
2343
2344         * optabs.h: Change CTI_ to COI_.
2345         * optabs.c: Ditto.
2346
2347 2005-08-19  James E Wilson  <wilson@specifix.com>
2348
2349         * builtins.c (expand_builtin_return_addr): Set
2350         current_function_accesses_prior_frames when count != 0.  Use
2351         frame_pointer_rtx when count == 0.
2352         * function.h (struct function): Add accesses_prior_frames field.
2353         (current_function_accesses_prior_frames): Define.
2354         * reload1.c (init_elim_table): Check
2355         current_function_accesses_prior_frames.
2356         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2357
2358 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2359
2360         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2361         indicator.  Return true if the flowgraph changed during
2362         cleanup.
2363
2364 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2365
2366         PR 23476
2367         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2368         conditional expression before testing its value.
2369
2370 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2371
2372         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2373
2374 2005-08-19  Devang Patel  <dpatel@apple.com>
2375
2376         PR tree-optimization/23048
2377         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2378         third parameter. Check whether latch is dominated by exit
2379         block or not.
2380         (if_convertible_loop_p): Supply exit block itself to
2381         if_convertible_bb_p.
2382
2383 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
2384
2385         PR target/23473
2386         * arm.md (arm_load_pic_register): Change argument to the mask of
2387         saved registers.  Call thumb_find_work_register if we need a
2388         scratch register on Thumb.
2389         (arm_expand_prologue): Pass empty register set to
2390         arm_load_pic_register.
2391         (thumb_expand_prologue): Pass live_regs_mask directly to
2392         arm_load_pic_register.
2393         * arm-protos.h (arm_load_pic_register): Update prototype.
2394
2395 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
2396
2397         * sh.c (find_sole_member): New function.
2398         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2399         if the record's alignment is larger than the size of its only member.
2400
2401 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
2402
2403         PR target/23436
2404         * arm.c (thumb_legitimize_reload_address): New function.
2405         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2406         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2407
2408 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
2409
2410         * config/crx/crx.c: Implement crx_decompose_address. Reject
2411         symbolic displacements since CRX register relative adressing
2412         mode can't handle unsigned 32-bit values as displacements.
2413         * config/crx/crx.h: Simplify definitions, remove redundant
2414         parenthesis and obsolete macros.
2415         * config/crx/crx.opt: Add new switch for debugging addresses.
2416         * config/crx/crx-protos.h: Add new declarations for above.
2417
2418 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
2419
2420         PR middle-end/20624
2421         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2422         looking past it.
2423
2424 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2425
2426         * collect2.c (dup2): Delete.
2427         * configure.ac: Don't check for dup2.
2428
2429         * config.in, configure: Regenerate.
2430
2431 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
2432
2433         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2434         record with the type of its only member.
2435
2436 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
2437
2438         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2439         define_insn_and_split.
2440         (plus_ltu<mode>_compare): Same.
2441         (gtu<mode>_compare): Same.
2442         (plus_gtu<mode>_compare): Same.
2443
2444 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
2445
2446         PR tree-optimization/22228
2447         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2448         todo_flags_start.
2449         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2450         are recorded in vect_vnames_to_rename for renaming.
2451         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2452         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2453         in vect_vnames_to_rename.
2454         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2455         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2456
2457 2005-08-18  Jan Hubicka  <jh@suse.cz>
2458
2459         PR c++/22034
2460         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2461         info only for local statics, not for member variables.
2462
2463 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2464
2465         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2466
2467 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2468
2469         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2470
2471 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
2472
2473         PR middle-end/16045
2474         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2475
2476 2005-08-17  James E Wilson  <wilson@specifix.com>
2477
2478         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2479         array size check.
2480
2481 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
2482
2483         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2484         (leu<mode>_compare): Same.
2485         (plus_leu<mode>): Same.
2486         (neg_leu<mode>): Same.
2487         (and_neg_leu<mode): Same.
2488         (ltu<mode>_compare): Same.
2489         (plus_ltu<mode>): Same.
2490         (geu<mode>): Same.
2491         (geu<mode>_compare): Same.
2492         (plus_geu<mode>): Same.
2493         (neg_geu<mode>): Same.
2494         (and_neg_geu<mode>): Same.
2495         (plus_gt<mode>): Same.
2496         (gtu<mode>_compare): Same.
2497         (plus_gtu<mode>): Same.
2498
2499 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
2500
2501         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2502         Move call_table_data to end.  Delete spurious .text.
2503         (callt_save_all_interrupt): Fix comment typo.
2504
2505 2005-08-17  James E Wilson  <wilson@specifix.com>
2506             Kevin Winchester  <winchester@amirix.com>
2507
2508         PR target/21684
2509         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2510
2511 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
2512
2513         PR target/23268
2514         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2515         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2516
2517 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
2518
2519         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2520         record with the type of its only member if the modes don't match.
2521
2522         * varasm.c (decode_reg_name): Skip empty additional register names.
2523
2524 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
2525
2526         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2527         lsm_tmp_name_length): New.
2528         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2529         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2530
2531 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2532             Andreas Krebbel  <krebbel1@de.ibm.com>
2533
2534         * config.gcc: Added z9-109 switch.
2535         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2536         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2537         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2538         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2539         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2540         for "z9_109" cpu attribute.
2541         * config/s390/s390.c (z9_109_cost): New processor cost structure.
2542         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2543         (s390_handle_arch_option): Added z9-109 switch.
2544         (override_options): Set respective cost function for z9-109.
2545         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2546         (legitimate_reload_constant_p): Accept extended immediates.
2547         (print_operand): Three new output modifiers added: k, m and o.
2548         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2549         (s390_output_mi_thunk): Use extended immediate when possible.
2550         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2551         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2552         (CONSTRAINT_LEN): Added length of O constraint.
2553         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2554         * config/s390/s390.md ("cpu"): New value z9_109 added.
2555         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2556         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2557         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2558         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2559         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2560         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2561         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2562         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2563         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2564         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2565         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2566         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2567         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2568         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2569         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2570         immediates.
2571         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2572         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2573         insns for TARGET_EXTIMM.
2574
2575 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2576
2577         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2578
2579 2005-08-17  Nick Clifton  <nickc@redhat.com>
2580
2581         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2582         Call default_encode_section_info.
2583
2584 2005-08-17  Steven Bosscher  <stevenb@suse.de>
2585
2586         PR tree-optimization/21574
2587         * tree-ssa-ccp.c (likely_value): If the right hand side is a
2588         constant, return CONSTANT.
2589         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2590         (ccp_fold, visit_assignment): Likewise.
2591         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2592
2593 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2594
2595         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2596         fold_buildN instead of buildN then fold_initializer or fold.
2597         (build_unary_op): Likewise.
2598         (build_binary_op): Likewise.
2599         * fold-const.c (fold_initializer): Remove.
2600         (fold_build1_initializer): New function.
2601         (fold_build2_initializer): New function.
2602         (fold_build3_initializer): New function.
2603         * tree.h (fold_initializer): Remove.
2604         (fold_build1_initializer): New function.
2605         (fold_build2_initializer): New function.
2606         (fold_build3_initializer): New function.
2607
2608 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2609
2610         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2611         (try_move_mult_to_index): Call fold_build2 instead of build2.
2612         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2613         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2614         fold_binary_to_constant.
2615         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2616         fold (build.
2617         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2618         check if A == gcd (A, B).  Remove TYPE argument.
2619         (analyze_offset) Use fold_build2 instead of fold (build.
2620         (create_data_ref): Likewise.
2621         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2622         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2623         then fold.
2624
2625 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
2626
2627         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2628         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2629
2630 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
2631
2632         PR tree-opt/23402
2633         * gimplify.c (zero_sized_type): New function.
2634         (gimplify_modify_expr_rhs): If we have a zero sized type,
2635         replace the statement with an empty statement.
2636
2637 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
2638
2639         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2640         fxsave.
2641
2642 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2643
2644         * doc/tm.texi (Label Output): Correct typo.
2645
2646 2005-08-16  Steven Bosscher  <stevenb@suse.de>
2647
2648         PR target/23376
2649         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2650         force_operand will work later on using have_insn_for.
2651
2652 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2653
2654         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2655
2656 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2657
2658         PR c++/23337
2659         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2660         vector type, don't try to construct it element by element.  Add an
2661         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2662
2663 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2664
2665         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2666
2667 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
2668
2669         * doc/invoke.texi (Precompiled Headers): Document some more options
2670         which are known to be safe.
2671
2672 2005-08-16  James E Wilson  <wilson@specifix.com>
2673
2674         PR tree-optimization/21105
2675         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2676         TREE_OVERFLOW check.
2677
2678 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
2679
2680         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2681         (neg_ltu<mode>): Same.
2682         (gtu<mode>): Same.
2683         (neg_gtu<mode>): Same.
2684
2685 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2686
2687         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2688         (fold_builtin_isdigit): Use fold_buildN.
2689         (build_function_call_expr): Likewise.
2690         * c-typeck.c (c_finish_loop): Likewise.
2691
2692 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
2693             Richard Shann <rshann@superh.com>
2694
2695         PR middle-end/20396:
2696         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2697
2698 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
2699
2700         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2701
2702 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2703
2704         PR target/23355
2705         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2706         arm_compure_save_reg0_reg12_mask to determine when the PIC register
2707         must be saved.
2708
2709 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2710
2711         PR middle-end/23369
2712         * fold-const.c (build_range_check): Disable optimization for function
2713         pointer expressions on targets that require function pointer
2714         canonicalization.
2715
2716 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2717
2718         * simplify-rtx.c (simplify_const_relational_operation): When
2719         extracting arguments of a COMPARE, recompute the mode as well.
2720
2721 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2722
2723         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2724
2725 2005-08-15  DJ Delorie  <dj@redhat.com>
2726
2727         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2728         the stack.
2729         (movsi_splittable): Allow, but split, moves to the stack.
2730         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2731         stack.
2732
2733 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2734
2735         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2736         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2737         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2738
2739         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2740         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2741         Delete HOST_PTR_PRINTF.
2742
2743         * configure, config.in: Regenerate.
2744
2745 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2746
2747         * config/rs6000/rs6000.md (QHSI): New mode macro.
2748         (wd): Extend mode attr for QImode and HImode
2749         (dbits): New mode attr.
2750         (zero_extend<mode>di2): Convert to mode macro.
2751
2752 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2753
2754         PR target/21841
2755         * doc/invoke.texi (-mgnu-ld): Update description.
2756         (-mhp-ld): Ditto.
2757
2758 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2759
2760         PR 23391
2761         * Makefile.in (tree-chrec.o): Depends on real.h.
2762         * tree-chrec.c: Include real.h.
2763         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2764         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2765         * tree-scalar-evolution.c (add_to_evolution_1,
2766         interpret_rhs_modify_expr): Ditto.
2767
2768 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2769
2770         PR 23386
2771         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2772         step is negative compute the estimation from init downwards to zero.
2773
2774 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2775
2776         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2777
2778 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2779
2780         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2781         constraint.
2782         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2783         Accept double-word constants that can be split.
2784         * config/s390/s390.md ("movti"): Use 'P' constraint.
2785         ("*movdi_31", "*movdf_31"): Likewise.
2786
2787 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2788
2789         Fix PR tree-optimization/22615
2790
2791         * tree-ssa-structalias.c (solution_set_add): Handle
2792         first_vi_for_offset returning NULL.
2793         (do_da_constraint): Ditto.
2794         (do_sd_constraint): Ditto.
2795         (do_ds_constraint): Ditto
2796         (find_func_aliases): Ditto.
2797         (build_constraint_graph): RHS is allowed be ANYTHING.
2798         (first_vi_for_offset): Return NULL if we couldn't find anything at
2799         the offset.
2800
2801 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2802
2803         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2804         over memory as first operand.
2805
2806 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2807
2808         PR target/23360
2809         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2810         available for setting it.
2811
2812 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2813
2814         PR tree-optimization/23320
2815         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2816         data-refs' types instead of base object nullness. Add check for
2817         pointer type data-refs before first location comparison. Remove
2818         assert.
2819
2820 2005-08-14  Andreas Schwab  <schwab@suse.de>
2821
2822         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2823
2824 2005-08-13  James E Wilson  <wilson@specifix.com>
2825
2826         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2827         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2828         -fstack-protector-all, --param ssp-buffer-size): Document.
2829         (-Wvariadic-macros): Alphabetize.
2830         (-fsched-stalled-insns-dep): Add missing 'f'.
2831
2832         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2833         macros.
2834
2835 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2836
2837         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2838         or indirect address operand.
2839         (EXTRA_ADDRESS_CONSTRAINT): New.
2840         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2841
2842 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2843
2844         PR tree-optimization/22236
2845         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2846         successors and predecessors.
2847         * tree-chrec.c (chrec_convert): Before converting, check that
2848         sequences don't wrap.
2849         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2850         (analyze_array): Extern.
2851         (find_data_references_in_loop): Remove call to
2852         compute_estimated_nb_iterations.
2853         * tree-data-ref.h (analyze_array): Declared.
2854         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2855         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2856         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2857         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2858         condition.
2859         * tree-ssa-loop-ivcanon.c: Fix documentation.
2860         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2861         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2862         (infer_loop_bounds_from_undefined): New.
2863         (estimate_numbers_of_iterations_loop): Use
2864         infer_loop_bounds_from_undefined.
2865         (used_in_pointer_arithmetic_p): New.
2866         (scev_probably_wraps_p): Pass an extra parameter.  Call
2867         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2868         (convert_step): Fix documentation.
2869         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2870         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2871         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2872         scev_probably_wraps_p.
2873
2874 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2875
2876         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2877         (s390_register_info): Ignore clobbered_regs information for fixed
2878         registers, and only fixed registers.
2879         (s390_init_frame_layout): Remove redundant call.
2880
2881 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2882
2883         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2884         description of -Wold-style-casts.
2885
2886 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2887             Jakub Jelinek  <jakub@redhat.com>
2888
2889         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2890         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2891         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2892         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2893         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2894         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2895         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2896         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2897         ("stack_protect_set", "stack_protect_test"): New expanders.
2898         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2899         "stack_protect_testdi"): New insn definitions.
2900
2901 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2902
2903         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2904
2905 2005-08-12  Paul Brook  <paul@codesourcery.com>
2906
2907         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2908
2909 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2910
2911         * config/s390/predicates.md (setmem_operand): New predicate.
2912         (shift_count_operand): Accept ANDs with special constants as
2913         operand.
2914         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2915         with special constants.
2916         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2917         shift_count_operand with setmem_operand.
2918
2919 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2920
2921         * config/s390/s390.c (s390_extract_part, s390_single_part):
2922         Type cast added.
2923         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2924         (s390_output_mi_thunk): Don't use lg on 31 bit.
2925         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2926         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2927
2928 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2929
2930         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2931         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2932         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2933         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2934         with one of the new macros.
2935
2936 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2937
2938         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2939         Don't set save_return_addr_p.
2940         (s390_register_info): Make clobbered_regs not depending on
2941         save_return_addr_p.
2942
2943 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2944
2945         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2946         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2947
2948 2005-08-11  James E. Wilson  <wilson@specifix.com>
2949
2950         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2951
2952 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2953
2954         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2955         locations gathered by var-tracking in single entry loc_list
2956         over loc_descriptor_from_tree.
2957
2958         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2959         pass it down to loc_descriptor.
2960         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2961         (containing_function_has_frame_base): Move earlier in the file.
2962         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2963         instead of always assuming fbreg can't be used.
2964
2965 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2966
2967         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2968         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2969         Accept address wrapped in AND for Altivec.
2970         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2971         Strip AND wrapping offset address for Altivec.
2972
2973 2005-08-11  Richard Henderson  <rth@redhat.com>
2974
2975         PR middle-end/23312
2976         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2977         before using TYPE_IS_SIZETYPE.
2978
2979 2005-08-11  Richard Henderson  <rth@redhat.com>
2980
2981         PR target/22225
2982         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2983         insn types not present on ev4.
2984         (alphaev5_insn_pipe): Similarly.
2985
2986 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2987
2988         PR target/23250
2989         * arm.c (arm_override_options): If the user has selected callee-super-
2990         interworking, then enable normal interworking.
2991
2992 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2993
2994         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2995         redefinition.
2996
2997 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2998
2999         * doc/rtl.texi: Fix two typos.
3000
3001 2005-08-11  Richard Guenther  <rguenther@suse.de>
3002
3003         PR target/23289
3004         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3005         cases where we call to/from functions returning void.
3006
3007 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
3008
3009         PR c++/23225
3010         * tree.c (build_pointer_type_for_mode): Robustify.
3011
3012 2005-08-10  James E Wilson  <wilson@specifix.com>
3013
3014         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3015         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3016
3017         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3018         "cum->".
3019
3020 2005-08-10  Eric Christopher  <echristo@apple.com>
3021
3022         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3023         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3024         V2DFmode.
3025
3026 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
3027
3028         PR target/21887
3029         * config/darwin.c (machopic_indirect_data_reference): Use a new register
3030         for the high part when generating dynamic-no-pic code.
3031
3032 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3033
3034         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3035         (x86_64-*-linux*): Likewise.
3036
3037         * config/i386/crtfastmath.c: New file.
3038         * config/i386/t-crtfm: Likewise.
3039
3040         * config/i386/linux.h (ENDFILE_SPEC): New.
3041         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3042
3043         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3044         crtfastmath.o.
3045
3046 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3047
3048         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3049         (vec_shl, vec_shr): Document new operations.
3050         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3051
3052 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
3053
3054         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3055         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3056         change predicate to indexed_or_indirect_address.
3057
3058 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
3059
3060         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3061         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3062         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3063         and __aeabi_uwrite8.
3064         * config/arm/unaligned-funcs.c: New file.
3065         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3066
3067 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
3068
3069         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3070         Add dump.
3071         * cfglayout.c (pass_insn_locators_initialize): Add dump.
3072         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3073         Add dump.
3074         * except.c (pass_convert_to_eh_region_ranges): Add dump.
3075         * final.c (pass_shorten_branches): Add dump.
3076         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3077         (pass_life): Rename dump.
3078         (rest_of_handle_flow2): Remove initial verify_flow_info.
3079         * function.c (pass_instantiate_virtual_regs): Add dump.
3080         * integrate.c (pass_initial_value_sets): Add dump.
3081         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3082         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3083         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3084         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3085         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3086         gate_rtl_unrool_and_peel_loops): New.
3087         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3088         rtl_doloop): Do not look at flags.
3089         * mode-switching.c (pass_mode_switching): Add dump.
3090         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3091         pass_split_before_regstack): Add dump.
3092         * regmove.c (pass_stack_adjustments): Add dump.
3093         * tree-optimize.c (pass_fixup_cfg): Add dump.
3094
3095 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3096
3097         PR 23309
3098         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3099         deciding which instruction sequence to use.
3100
3101 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
3102
3103         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3104         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3105
3106 2005-08-09  Richard Guenther  <rguenther@suse.de>
3107
3108         * c-common.c (builtin_function_2): Remove.
3109         (def_builtin_1): New function.
3110         (c_common_nodes_and_builtins): Use def_builtin_1 to
3111         build builtin functions.
3112
3113 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
3114
3115         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3116         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3117         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3118         Visual DSP.
3119
3120 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3121
3122         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3123         fold_binary instead of fold_build2 since we don't care about the
3124         resulting tree.
3125         (loop_niter_by_eval): Likewise.
3126         (compare_trees): Likewise.
3127         (proved_non_wrapping_p): Likewise.
3128
3129 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3130
3131         PR c/23161
3132         PR c/23165
3133         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3134         if the if is really empty.
3135
3136 2005-08-09  Steven Bosscher  <stevenb@suse.de>
3137
3138         PR tree-optimization/23234
3139         * tree-ssa-math-opts.c (place_reciprocal): New enum.
3140         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3141         argument of the new enum.
3142         (execute_cse_reciprocals): Add reciprocals for function arguments
3143         on the unique successor edge of the entry block.  Update other calls
3144         to execute_cse_reciprocals_1.
3145
3146 2005-08-08  Richard Henderson  <rth@redhat.com>
3147
3148         PR 22439
3149         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3150
3151 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
3152
3153         * expr.c (write_complex_part): Return after handling MEM.
3154
3155 2005-08-08  Josh Conner  <jconner@apple.com>
3156
3157         PR rtl-optimization/23241
3158         * combine.c (simplify_comparison): Fix error in determining
3159         whether to lift a subreg from comparison.
3160
3161 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
3162
3163         PR target/18506
3164         * config/rs6000/altivec.md (vec_init<mode>): New.
3165         (vec_set<mode>): New.
3166         (vec_extract<mode>): New.
3167         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3168         (rs6000_expand_vector_set): New.
3169         (rs6000_expand_vector_extract): New.
3170         (rs6000_legitimate_offset_address_p): Offset addresses are valid
3171         for Altivec modes before reload.
3172         (altivec_expand_vec_init_builtin): New.
3173         (get_element_number): New.
3174         (altivec_expand_vec_set_builtin): New.
3175         (altivec_expand_vec_ext_builtin): New.
3176         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3177         builtins.
3178         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3179         builtins.
3180         * config/rs6000/rs6000.h (rs6000_builtins): Add
3181         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3182         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3183         * config/rs6000/rs6000-protos.h: Declare new functions.
3184
3185 2005-08-08  Jan Hubicka  <jh@suse.cz>
3186
3187         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3188         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3189         * i386.md (movdi*): Use pic_32bit_operand.
3190         * predicates.md (pic_32bit_operand): New.
3191
3192 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
3193
3194         PR c++/21166
3195         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3196
3197 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
3198
3199         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3200         (test_for_singularity): Use fold_build2.
3201
3202 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3203
3204         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3205
3206 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
3207
3208         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3209         (COMMON_ASM_OP) Define.
3210         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3211         (ix86_encode_section_info): Likewise.
3212         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3213         SUBTARGET_ENCODE_SECTION_INFO.
3214
3215 2005-08-06  Richard Henderson  <rth@redhat.com>
3216
3217         PR 21894
3218         * tree-nested.c (convert_local_reference): Save and restore val_only
3219         around component_ref and friends.  Clear walk_subtrees by default.
3220
3221 2005-08-06  Peter O'Gorman  <peter@pogma.com>
3222
3223         PR 21366
3224         * gcc.c (process_command): Check the argument to -b has a dash.
3225         * doc/invoke.texi: Update -b and -V docs.
3226
3227 2005-08-06  James E Wilson  <wilson@specifix.com>
3228
3229         * config/mips/cross64.h, config/mips/t-cross64: Delete.
3230
3231 2005-08-06  Michael Matz  <matz@suse.de>
3232
3233         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3234         member only if only one insn is associated with the value.
3235
3236 2005-08-06  Nick Clifton  <nickc@redhat.com>
3237
3238         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3239         New define.
3240         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3241         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3242         Check symbol flags instead of symbol name mangling.
3243         (xstormy16_asm_output_aligned_common): Likewise.  Also
3244         simplify code since the bss100_section cass is the only case
3245         where the below100 code will be triggered.
3246         (xstormy16_encode_section_info): Encode below100 attribute
3247         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3248         the name.
3249         (xstormy16_strip_name_encoding): Delete - this function is no
3250         longer needed.
3251         (TARGET_STRIP_NAME_ENCODING): Undefine.
3252         * config/stormy16/stormy16-protos.h: Delete prototype for
3253         xstormy16_strip_name_encoding.
3254
3255 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
3256
3257         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3258         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3259         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3260         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3261         config/alpha/predicates.md, config/arc/arc.h,
3262         config/arm/arm.h, config/arm/ieee754-df.S,
3263         config/arm/ieee754-sf.S, config/bfin/bfin.c,
3264         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3265         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3266         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3267         config/m68hc11/m68hc11.h, config/mips/mips.c,
3268         config/mips/mips.h, config/mips/openbsd.h,
3269         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3270         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3271         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3272         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3273         config/sparc/linux.h, config/sparc/linux64.h,
3274         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3275         doc/extend.texi, doc/gcov.texi, doc/install.texi,
3276         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3277         typos.  Follow spelling conventions.
3278
3279 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
3280
3281         PR c/23113
3282         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3283         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3284         specially.  Check for side effects only for COND_EXPR.
3285         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3286         return with TREE_NO_WARNING.
3287
3288 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
3289
3290         PR rtl-optimization/23233
3291         * loop.c (combine_movables): Require the modes to be the same.
3292         (move_movables): Remove handling of cases where the replacement
3293         had a different mode to the original.
3294
3295 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
3296
3297         PR tree-optimization/23128
3298         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3299         subtraction wrap, and set TREE_OVERFLOW if they do.
3300
3301 2005-08-05  Richard Henderson  <rth@redhat.com>
3302
3303         PR 21728
3304         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3305         FORCED_LABEL labels.
3306
3307 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
3308
3309         PR middle-end/23135
3310         * reload.c (find_reloads_subreg_address): Pass down TYPE
3311         unchanged.  Change all callers except find_reloads_toplev.
3312
3313 2005-08-05  Michael Matz  <matz@suse.de>
3314
3315         * genattrtab.c (current_alternative_string): Remove.
3316         (SIMPLIFY_ALTERNATIVE): Ditto.
3317         (attr_alt_bit_p): Ditto.
3318         (alternative_name): Make const char *.
3319         (evaluate_eq_attr): Remove use of above things.
3320         (simplify_test_exp): Ditto.
3321         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3322         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3323
3324 2005-08-04  James E Wilson  <wilson@specifix.com>
3325
3326         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3327         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3328         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3329         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3330         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3331
3332 2005-08-04  Richard Henderson  <rth@redhat.com>
3333
3334         PR 21529
3335         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3336         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3337         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
3338         if we'd have to instantiate too many members.
3339
3340 2005-08-04  Richard Henderson  <rth@redhat.com>
3341
3342         PR 21291
3343         * tree-outof-ssa.c (coalesce_asm_operands): New.
3344         (coalesce_ssa_name): Use it.  Split out ...
3345         (coalesce_phi_operands, coalesce_result_decls): ... these.
3346
3347 2005-08-04  Paul Brook  <paul@codesourcery.com>
3348
3349         * read-rtl.c (read_quoted_string): Break if EOF.
3350
3351 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
3352
3353         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3354         (fold_build2): Likewise.
3355         (fold_build3): Likewise.
3356         (fold_build1_stat): New function prototype.
3357         (fold_build2_stat): Likewise.
3358         (fold_build3_stat): Likewise.
3359         * fold-const.c (fold_build1): Rename to ..
3360         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3361         through to build1_stat.
3362         (fold_build2): Rename to ..
3363         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3364         through to build2_stat.
3365         (fold_build3): Rename to ..
3366         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3367         through to build3_stat.
3368
3369 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
3370             Ian Lance Taylor  <ian@airs.com>
3371
3372         * function.c (assign_stack_local_1): Do not correct stack slot
3373         address if allocation size is smaller than mode size.
3374
3375 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
3376
3377         PR 22037
3378         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3379         (tree_merge_blocks): Propagate anything allowed by
3380         may_propagate_copy.
3381         Clarify documentation.
3382         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3383         SSA form, schedule an update if necessary.
3384
3385 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
3386
3387         * doc/install.texi (Binaries): Remove broken link to
3388         Sinix/Reliant Unix binaries.
3389
3390 2005-08-03  Richard Henderson  <rth@redhat.com>
3391
3392         PR 23221
3393         * function.c (stack_protect_epilogue): Export.
3394         * tree.h (stack_protect_epilogue): Declare.
3395         * calls.c (expand_call): Call it.
3396
3397 2005-08-03  Eric Christopher  <echristo@apple.com>
3398
3399         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3400         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3401         spec.
3402
3403 2005-08-04  Jan Hubicka  <jh@suse.cz>
3404
3405         * profile.c (branch_prob): Split edges with goto locus on them
3406         to get proper line counts.
3407         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3408
3409 2005-08-03  Paul Brook  <paul@codesourcery.com>
3410
3411         * function.c (assign_parms): Round current_function_args_size
3412         to PARM_BOUNDARY, not STACK_BOUNDARY.
3413
3414 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
3415
3416         * config/i386/i386.c (x86_elf_aligned_common)
3417         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3418
3419 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
3420
3421         PR tree-optimization/23157
3422         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3423         before emitting them.
3424
3425 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3426
3427         PR tree-optimization/19899
3428         * Makefile.in (tree-scalar-evolution.o): Add real.h.
3429         * tree-scalar-evolution.c: Include real.h.
3430         (add_to_evolution): Build constant -1 of correct type.
3431
3432 2005-08-03  Jan Hubicka  <jh@suse.cz>
3433
3434         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3435         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3436         profile updating for complette unrolling.
3437         * loop-unroll.c (peel_loop_completely): Use it.
3438         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3439         (tree_unroll_loops_completely): Disable code growing unrolling of cold
3440         loops.
3441
3442 2005-08-03  Paul Brook  <paul@codesourcery.com>
3443
3444         * combine.c (can_change_dest_mode): New function.
3445         (try_combine, simplify_set): Use it.
3446
3447 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
3448
3449         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3450         TFmode to BLKmode.
3451
3452 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
3453
3454         * doc/install.texi (Specific): Adjust link to openavr.org.
3455         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3456         (Binaries): Adjust HP-UX Porting Center link.
3457         (Binaries): Adjust Free Software Foundation ordering link.
3458
3459 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
3460
3461         * convert.c (convert_to_integer): Use fold_build1 instead of
3462         build1 when converting an integer to an integer.
3463
3464 2005-08-02  Richard Henderson  <rth@redhat.com>
3465
3466         * combine.c (combine_instructions): Don't use reg_equal/equiv
3467         results if the mode doesn't match.
3468
3469 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
3470
3471         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3472         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3473
3474 2005-08-02  Richard Henderson  <rth@redhat.com>
3475
3476         PR 23196
3477         * explow.c (memory_address): Remove special-case for
3478         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3479
3480 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
3481
3482         PR 23164
3483         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3484         number of calls to cleanup_tree_cfg_1.
3485
3486 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
3487
3488         * doc/invoke.texi: document file extensions .F90 and .F95
3489
3490 2005-08-02  Richard Guenther  <rguenther@suse.de>
3491
3492         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3493         positive if its first argument is positive.
3494
3495 2005-08-02  Richard Guenther  <rguenther@suse.de>
3496
3497         PR tree-optimization/23177
3498         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3499         on TMR_TAG.
3500
3501 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
3502
3503         PR tree-optimization/23129
3504         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3505         varying for divisions with anti-ranges.
3506
3507 2005-08-02  Jan Hubicka  <jh@suse.cz>
3508
3509         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3510         * tree-ssa-threadupdate.c (thread_block): Add it here.
3511
3512 2005-08-01  James E Wilson  <wilson@specifix.com>
3513
3514         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3515         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3516         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3517         New.
3518         * config/mips/predicates.md (const_call_insn_operand): Add check for
3519         SYMBOL_REF_LONG_CALL_P.
3520         * doc/extend.texi (long_call): Document the new attribute.
3521
3522 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3523             Richard Henderson  <rth@redhat.com>
3524
3525         * Makefile.in (RTL_BASE_H): Add real.h.
3526         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3527         instead of memcpy.
3528         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3529         directly.
3530         * rtl.c (rtl_check_failed_code_mode): New.
3531         * rtl.h (struct rtx_def): Add u.rv.
3532         (XCMWINT, XCNMPRV): New.
3533         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3534         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3535
3536 2005-08-01  Richard Henderson  <rth@redhat.com>
3537
3538         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3539         with auto-inc codes.
3540
3541         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3542
3543 2005-08-01  Jan Hubicka  <jh@suse.cz>
3544
3545         * i386-protos.h (asm_preferred_eh_data_format): Declare.
3546         * i386.c: Include dwarf2.h
3547         (asm_preferred_eh_data_format): New.
3548         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3549
3550 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3551
3552         * config/host-linux.c (linux_gt_pch_get_address): Add new name
3553         randomize_va_space for virtual address randomization control.
3554
3555 2005-08-01  Steven Bosscher  <stevenb@suse.de>
3556
3557         * common.opt (flag_ipa_cp): Put in right place to maintain
3558         alphabetic sort.
3559
3560 2005-08-01  Jan Hubicka  <jh@suse.cz>
3561
3562         * profile.c (compute_value_histograms): Fix thinko.
3563         * value-prof.c: Include toplev.h
3564         (check_counter): New function.
3565         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3566         tree_mod_subtract_transform): Add sanity check.
3567
3568 2005-08-01  Richard Guenther  <rguenther@suse.de>
3569
3570         PR tree-optimization/23133
3571         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3572         current functions parameter decls to find defs to cse
3573         reciprocals of.
3574
3575 2005-08-01  Richard Guenther  <rguenther@suse.de>
3576
3577         PR tree-optimization/23109
3578         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3579         If trapping math is in effect, use post-dominator information
3580         to check if we'd in any case reach a trapping point before
3581         doing the reciprocal insertion.
3582         (execute_cse_reciprocals): Compute post-dominators, if necessary.
3583         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3584         expressions are invariant only if trapping math is not in effect.
3585
3586 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3587
3588         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3589         cgraph_function_versioning): New declarations.
3590         * cgraphunit.c: Add include to ipa-prop.h.
3591         (update_call_expr, cgraph_copy_node_for_versioning,
3592         cgraph_function_versioning): New functions.
3593         * integrate.c (copy_decl_for_inlining): Remove.
3594         * ipa-prop.h (ipa_replace_map): New struct.
3595         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3596         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3597         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3598         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3599         ipcp_iterate_stage, ipcp_method_scale_print,
3600         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3601         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3602         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3603         ipcp_update_bb_counts, ipcp_update_profiling,
3604         ipcp_update_edges_counts): New functions.
3605         (ipcp_method_cval_init): Remove restriction regarding local methods.
3606         (ipcp_init_stage): Add ipcp_method_compute_scale.
3607         (ipcp_insert_stage): Add versioning.
3608         (ipcp_structures_print): Add ipcp_method_scale_print.
3609         (ipcp_driver): Dump profiling info.
3610         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3611         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3612         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3613         (struct inline_data): Add versioning_p, ipa_info, new fields.
3614         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3615         declare_return_variable): Replace calls to copy_decl_for_inlining with
3616         copy_decl_for_dup.
3617         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3618         versioning support.
3619         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3620         Add argument VERSIONING.
3621         (copy_arguments_for_versioning, copy_static_chain,
3622         function_versionable_p, tree_versionable_function_p,
3623         tree_function_versioning, replace_ref_tree): New functions.
3624         * tree-inline.h: Include varray.h.
3625         (tree_versionable_function_p,  tree_function_versioning,
3626         tree copy_decl_for_dup): New declarations.
3627
3628 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3629
3630         * ipa-cp.c: New file. Contains IPCP specific functionality.
3631         * ipa-prop.h: New file. Contains structures/definitions that can be
3632         used by several interprocedural data flow optimizations (and also IPCP).
3633         * ipa-prop.c: New file.
3634         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3635         * common.opt: Add ipa-cp flag.
3636         * timevar.def: Add IPCP optimization.
3637         * tree-optimize.c (init_tree_optimization_passes): Schedule
3638         pass_ipa_cp.
3639         * tree-pass.h (pass_ipa_cp): Declare.
3640
3641 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
3642
3643         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3644         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3645         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3646         config/i386/i386.c, config/mips/mips.h,
3647         config/rs6000/rs6000.h, config/sh/sh.c,
3648         config/stormy16/stormy16.c: Fix comment typos.
3649
3650 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
3651
3652         PR c/22311
3653         * c-typeck.c (build_binary_op): Use common_type wrapper on
3654         shortened types.
3655         (common_type): Update comment.
3656
3657 2005-07-31  Steven Bosscher  <stevenb@suse.de>
3658
3659         PR target/23095
3660         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3661         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3662         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3663
3664 2005-07-31  Jan Hubicka  <jh@suse.cz>
3665
3666         * pretty-print.h (pp_widest_integer): New macro.
3667         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3668         counts.
3669
3670 2005-07-31  Jan Hubicka  <jh@suse.cz>
3671
3672         * output.h (enum section_category): Export from varasm.c
3673         (categorize_decl_for_section): Likewise.
3674         * varasm.c (enum section_category): Kill.
3675         (categorize_decl_for_section): Make global.
3676         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3677         Declare.
3678         * i386.c (ix86_section_threshold): New static variable.
3679         (ix86_in_large_data_p, ix86_encode_section_info,
3680         x86_64_elf_unique_section,
3681         x86_64_elf_select_section): New functions.
3682         (TARGET_ENCODE_SECTION_INFO): Define
3683         (override_options): Enable medium model for PIC.
3684         (ix86_expand_prologue): Expand gen_set_got_rex64.
3685         (legitimate_constant_p): Handle new UNSPECs.
3686         (legitimate_pic_address_disp_p): Likewise.
3687         (legitimize_pic_address): Lower MEDIUM model addressing.
3688         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3689         (enum cmodel): Add MEDIUM_PIC.
3690         (SYMBOL_REF_FAR_ADDR_P): New macro.
3691         (SYMBOL_FLAG_FAR_ADDR): New flag.
3692         * i386.md (movdi): Support medium model.
3693         (set_got_rex64): New pattern.
3694         * i386.opt (mlarge-data-threshold): New flag.
3695         * predicates.md (zext_operand/sext_operand): Deal with medium model.
3696         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3697         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3698         TARGET_ASM_UNIQUE_SECTION): New.
3699
3700         * invoke.texi (-mlarge_data_threshold): Document
3701
3702 2005-07-31  Jan Hubicka  <jh@suse.cz>
3703
3704         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3705         (coalesce_vars): Likewise.
3706         * tree-ssa-live.c (coalesce_cost): New.
3707         (build_tree_conflict_graph): Use coalesce_cost.
3708         * tree-ssa-live.h (coalesce_cost): Declare.
3709
3710 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3711
3712         * arm.md (all peepholes for post-increment operations): Delete.
3713         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3714         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3715         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3716         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3717         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3718
3719 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3720
3721         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3722         non-integral types.
3723
3724 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3725
3726         PR target/22582
3727         * doc/invoke.texi: Document -rdynamic.
3728
3729 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3730
3731         PR c/23143
3732         * c-parser.c (c_parser_parms_list_declarator): Call
3733         mark_forward_parm_decls.
3734         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3735         decls with visibility structure.
3736
3737 2005-07-30  Paul Brook  <paul@codesourcery.com>
3738
3739         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3740
3741 2005-07-30  Paul Brook  <paul@codesourcery.com>
3742
3743         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3744         prototype.
3745         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3746         value for mode.
3747         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3748
3749 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3750
3751         PR c/529
3752         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3753         nested function declarators.
3754         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3755         (grokparms): Call warn_if_shadowing for parameters used within the
3756         parameter list.
3757         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3758         not used within the parameter list.
3759         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3760
3761 2005-07-30  Jan Hubicka  <jh@suse.cz>
3762
3763         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3764         * i386.c (ix86_fixup_binary_operands): Likewise.
3765         (ix86_expand_unary_operator): Likewise.
3766         (ix86_expand_fp_absneg_operator): Likewise.
3767         * optabs.c (expand_vec_cond_expr): Validate dest.
3768
3769 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3770
3771         PR c/21720
3772         * real.c (real_from_string): Also set last bit if there is a
3773         nonzero hex digit beyond GCC's internal precision after ".".
3774
3775 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3776
3777         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3778         define_constants.  Change duplicate values to unassigned numbers.
3779         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3780         (*altivec_vspltsf): New.
3781         (altivec_vperm_v4sf): Delete.
3782         (altivec_vperm_<mode>): Use mode macro V.
3783         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3784         (altivec_predicate_v4sf): Delete.
3785         (altivec_predicate_<mode>): Use mode macro V.
3786         (*altivec_lvesfx): New.
3787         (*altivec_stvesfx): New.
3788         (vec_realign_load_v4sf): Delete.
3789         (vec_realign_load_<mode>): Use mode macro V.
3790         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3791         UNSPECV_SET_VRSAVE.
3792
3793 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3794
3795         PR bootstrap/23131
3796         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3797         string.
3798         * configure: Regenerated.
3799
3800 2005-07-29  Paul Brook  <paul@codesourcery.com>
3801
3802         * doc/install.texi: Add link to GFortran binaries wiki page.
3803
3804 2005-07-29  David Ung  <davidu@mips.com>
3805
3806         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3807         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3808         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3809         * config/mips/mips.md (cpu): Add 5kf name.
3810         (includes): Includes 5k.md.
3811         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3812         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3813         -march flag.
3814
3815 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3816
3817         PR 22550
3818         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3819         (cleanup_tree_cfg): ... here.
3820         Call cleanup_tree_cfg_1 until there are no more cleanups to
3821         do.
3822
3823 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3824
3825         * tree-vrp.c (compare_range_with_value): Return true or false
3826         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3827         EQ_EXPR respectively.
3828
3829 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3830
3831         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3832         Fix comment typos.
3833
3834 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3835
3836         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3837         (tree_ssa_dominator_optimize): Increment it.
3838         (dump_dominator_optimization_stats): Print it.
3839
3840 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3841             Steven Bosscher  <stevenb@suse.de>
3842
3843         PR rtl-optimization/23117
3844         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3845         when head == tail.  Tidy comment.
3846
3847 2005-07-28  Richard Henderson  <rth@redhat.com>
3848
3849         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3850         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3851         * jump.c (rtx_renumbered_equal_p): Likewise.
3852         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3853         CONST_INT and CONST_DOUBLE.
3854         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3855         * reload.c (operands_match_p): Special case CONST_INT and
3856         CONST_DOUBLE; check mode earlier.
3857
3858 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3859
3860         PR c/22240
3861         * c-typeck.c (convert_for_assignment): Do not check
3862         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3863
3864 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3865
3866         PR c/22192
3867         * c-typeck.c (composite_type): Prefer constant size arrays to
3868         VLAs.
3869
3870 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3871
3872         PR c/21720
3873         * real.c (real_from_string): Set last bit if there is a nonzero
3874         hex digit beyond GCC's internal precision.
3875
3876 2005-07-28  Richard Henderson  <rth@redhat.com>
3877
3878         PR rtl-opt/22619
3879         * cfgcleanup.c (try_forward_edges): Watch out for end of
3880         insn chain.
3881
3882 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3883
3884         PR c/23106
3885         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3886
3887 2005-07-28  Jan Hubicka  <jh@suse.cz>
3888
3889         * Makefile.in (rtl-profile.o): Kill all traces of it.
3890         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3891         * coverage.h (rtl_coverage_counter_ref): Kill.
3892         * opts.c (flag_speculative_prefetching_set): Kill.
3893         (flag_loop_optimize_set): New.
3894         (common_handle_option): Disable loop optimizer when profiling;
3895         do not handle speculative prefetching.
3896         * passes.c (init_optimization_passes): Replace pass_profiling combo
3897         by branch_prob pass.
3898         * profile.c (compute_value_histograms): Update for simplified value
3899         profiles.
3900         (rtl_register_profile_hooks): Kill.
3901         (pass_profiling): Kill.
3902         (rest_of_handle_branch_prob): Do not profile.
3903         * toplev.c (process_options): Remove speculative prefetching.
3904         * toplev.h (flag_tree_based_profiling): Kill.
3905         * tree-profile.c (prepare_instrumented_value,
3906         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3907         tree_gen_one_value_profiler, do_tree_profiling): Update for
3908         simplified datastructures.
3909         * value-prof.c: Add comment that speculative prefetching was dropped;
3910         update rest of file for simplified datastructures.
3911         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3912         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3913         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3914         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3915         rtl_mod_subtract, gen_speculative_prefetch,
3916         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3917         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3918         (gate_handle_value_profile_transformations,
3919         rest_of_handle_value_profile_transformations,
3920         pass_value_profile_transformations): Kill.
3921         * value-prof.h (histogram_value_t): Remove IL based unions.
3922         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3923         rtl_profile_hooks): Remove hooks.
3924
3925         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3926
3927         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3928         (cgraph_clone_node): Likewise.
3929         * cgraph.h (cgraph_clone_edge): Update prototype.
3930         (cgraph_clone_node): Likewise.
3931         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3932         cgraph_clone_node.
3933         (lookup_recursive_calls): Consider profile.
3934         (cgraph_decide_recursive_inlining): Fix updating; use new
3935         probability argument; use profile.
3936         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3937         * tree-inline.c (copy_bb): Update clal of clone_edge.
3938         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3939
3940         * invoke.texi (min-inline-recursive-probability): Document.
3941
3942 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3943
3944         * doc/install.texi (Configuration): Update Valgrind homepage.
3945
3946 2005-07-28  Richard Henderson  <rth@redhat.com>
3947
3948         PR middle-end/21362
3949         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3950         labels we want to delete.
3951         (cfg_layout_merge_blocks): Likewise.
3952
3953 2005-07-28  Richard Henderson  <rth@redhat.com>
3954
3955         PR target/17692
3956         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3957         when expanding to nothing.
3958
3959 2005-07-28  Josh Conner  <jconner@apple.com>
3960
3961         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3962         (cgraph_decide_inlining_of_small_functions): Likewise.
3963
3964 2005-07-28  Josh Conner  <jconner@apple.com>
3965
3966         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3967         direction of badness if negative.
3968         (cgraph_default_inline_p): Add reason to parameters, and assign it
3969         a value.
3970         (cgraph_decide_inlining_of_small_functions): New parameter in call
3971         to cgraph_default_inline_p.
3972         (cgraph_decide_inlining_incrementally): Likewise.
3973         * cgraphunit.c (decide_is_function_needed): Likewise.
3974         * cgraph.h (cgraph_default_inline_p): Likewise.
3975
3976 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3977
3978         * builtins.c: Fix comment typo(s).
3979         * genautomata.c: Likewise.
3980         * gimplify.c: Likewise.
3981         * tree-dfa.c: Likewise.
3982         * tree-flow-inline.h: Likewise.
3983         * tree-into-ssa.c: Likewise.
3984         * tree-ssa-alias.c: Likewise.
3985         * tree-ssa-ccp.c: Likewise.
3986         * tree-ssa-copy.c: Likewise.
3987         * tree-ssa-dce.c: Likewise.
3988         * tree-ssa-dom.c: Likewise.
3989         * tree-ssa-operands.c: Likewise.
3990         * tree-tailcall.c: Likewise.
3991         * tree-vectorizer.c: Likewise.
3992         * tree-vrp.c: Likewise.
3993         * tree.c: Likewise.
3994
3995 2005-07-28  Jeff Law  <law@redhat.com>
3996
3997         * tree-vrp.c (test_for_singularity): Extracted from  ...
3998         (simplify_cond_using_ranges): Attempt to simplify a relational
3999         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
4000
4001 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
4002
4003         PR tree-optimization/22506
4004         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4005         phis whose argument is constant.
4006
4007 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
4008
4009         PR rtl-optimization/18992
4010         Back out this patch:
4011           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4012           PR optimization/12142
4013           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4014           uses of the register in the SET_SRC.  Remove unnecessary argument.
4015
4016         Replace it with this:
4017         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4018         if flag_non_call_exceptions is set and the insn may trap, pass
4019         pc_rtx as dest for recursion.
4020         In SET_SRC part of SET case, if dest is already set, pass it down
4021         unchanged.
4022
4023 2005-07-28  Jan Hubicka  <jh@suse.cz>
4024
4025         * cfg.c (update_bb_profile_for_threading): Use RDIV.
4026         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4027         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4028         roundoff errors.
4029         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4030         profile when available.
4031
4032 2005-07-28  Jan Beulich <jbeulich@novell.com>
4033
4034         * config/ia64/ia64.c (ia64_load_pair_ok): New.
4035         (ia64_print_operand): Describe and handle 'X'.
4036         (ia64_register_move_cost): Also handle FP_REGS.
4037         (ia64_preferred_reload_class): Likewise.
4038         (ia64_secondary_reload_class): Likewise.
4039         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4040         it. Also check for ITANIUM_CLASS_FLDP.
4041         * config/ia64/ia64.h (FP_REGNO_P): New.
4042         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4043         (reg_class): Add FP_REGS.
4044         (REG_CLASS_NAMES): Adjust for it.
4045         (REG_CLASS_CONTENTS): Likewise.
4046         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4047         (REG_CLASS_FROM_LETTER): Handle 'x'.
4048         (CLASS_MAX_NREGS): Handle FP_REGS.
4049         (MEMORY_MOVE_COST): Likewise.
4050         * config/ia64/ia64.md (itanium_class): Add fldp.
4051         (type): Handle fldp.
4052         (movti_internal): More allowable operand combinations. Use ldfp8 when
4053         splitting unnecessary. Remove predicable attribute. Adjust
4054         itanium_class attribute.
4055         (smuldi3_highpart): Remove outdated comment.
4056         (mulditi3, umulditi3, rotlti3): New expanders.
4057         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4058         (absti2): Disabled new insn for future reference.
4059         Respective new splitters.
4060         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4061         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4062         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4063
4064 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
4065
4066         PR rtl-optimization/23047
4067         * simplify-rtx.c (simplify_const_relational_operation): Respect
4068         flag_wrapv for comparisons with ABS.
4069
4070 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
4071
4072         PR tree-optimization/22493
4073         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4074         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4075
4076 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
4077
4078         * config/frv/frv.opt (moptimize-membar): New.
4079
4080         * doc/invoke.texi: Document -moptimize-membar and its inverse.
4081
4082         * config/frv/frv.h: Remove machine_function definition.
4083
4084         * config/frv/frv.c (struct frv_io): New.
4085         (struct machine_function): Moved from frv.h.  Add has_membar_p.
4086         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4087         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4088         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4089         (frv_optimize_membar_global, frv_optimize_membar): New functions.
4090         (frv_reorg): Call frv_optimize_membar when appropriate.
4091         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4092         (frv_expand_builtin): Adjust calls accordingly.
4093         (frv_io_address_cookie): New function.
4094         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4095         load or store rather than a special insn.  Add ccnstant address and
4096         io-type operands to the membar.
4097         (frv_ifcvt_modify_tests): Unsign regno.
4098         (frv_ifcvt_modify_tests): Same.
4099
4100         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
4101         UNSPEC_OPTIONAL_MEMBAR constant.
4102         (builtin_read_<mode>): Delete.
4103         (builtin_write_<mode>): Delete.
4104         ("optional_membar_<mode>"): Add operand.
4105
4106         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4107         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4108         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4109         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4110         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4111         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4112         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4113         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4114         * testsuite/gcc.target/frv/all-read-write-1.c: New.
4115
4116 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4117
4118         * df.c (df_uses_record): Handle SCRATCH.
4119
4120 2005-07-28  Steven Bosscher  <stevenb@suse.de>
4121
4122         PR debug/20161
4123         * passes.c (rest_of_decl_compilation): If decl is a type and
4124         we have encountered errors, don't emit debug information.
4125
4126 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
4127
4128         * params.def: Fixed comment.
4129
4130 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
4131
4132         PR target/19885
4133         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4134         (TARGET_ASM_UNALIGNED_HI_OP): Add.
4135         (TARGET_ASM_UNALIGNED_SI_OP): Add.
4136
4137 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4138
4139         PR c++/22003
4140         * varasm.c (assemble_start_function): Don't do anything that may
4141         require a CFG if the current function is a thunk.
4142
4143 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
4144
4145         * doc/install.texi (Prerequisites): Mention that perl is needed
4146         to do export control in libstdc++ targetting Darwin.
4147
4148 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4149
4150         PR rtl-optimization/17808
4151         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4152         (sched_insns_conditions_mutex_p): Split out from...
4153         (add_dependence): ...here.  But don't call it from here.
4154         (add_dependence_list): Check sched_insns_conditions_mutex_p
4155         before calling add_dependence.
4156         (add_dependence_list_and_free): Likewise.
4157         (fixup_sched_groups): Likewise.
4158         (sched_analyze_1): Likewise.
4159         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4160         (sched_analyze): Likewise.
4161         (sched_analyze_insn): Likewise.
4162         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4163         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
4164         dependencies on all COND_EXEC insns to jumps ending basic blocks
4165         when doing intrablock scheduling.
4166         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4167
4168 2005-07-27  Jeff Law  <law@redhat.com>
4169
4170         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4171         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
4172         equivalency sets, correctly handle the case were vr0 has an
4173         equivalency set, but vr1 does not.
4174
4175 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
4176
4177         PR tree-optimization/23073
4178         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4179         vect_print_dump_info before fprintf.
4180
4181 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4182
4183         PR tree-optimize/22348
4184         * tree-ssa-loop-niter.c (number_of_iterations_cond):
4185         Fold the partial computation.
4186
4187 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4188
4189         PR tree-optimization/22325
4190         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4191         Declare.
4192         * tree-scalar-evolution.c (scev_const_prop): Add generic final
4193         value replacement.
4194         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4195         (force_var_cost): ... this function.
4196         (compute_phi_arg_on_exit): Export.
4197
4198 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4199
4200         PR tree-optimization/20773
4201         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4202         edge.
4203
4204 2005-07-27  Richard Guenther  <rguenther@suse.de>
4205
4206         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4207         Avoid pushing again if current struct contains only
4208         fields we decomposed.
4209
4210 2005-07-27  Jan Hubicka  <jh@suse.cz>
4211
4212         PR tree-optimization/22574
4213         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4214         not available.
4215
4216         * tree-tailcall.c (decrease_profile): New function.
4217         (eliminate_tail_call): Use it.
4218
4219         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4220         visibility flags correctly in whole program mode.
4221
4222 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
4223
4224         PR rtl-optimization/22472
4225         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4226
4227 2005-07-26  Steven Bosscher  <stevenb@suse.de>
4228
4229         PR tree-optimization/22504
4230         * tree-complex.c (expand_complex_addition): Use 'code' instead
4231         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4232
4233 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4234
4235         * config.gcc (cpu_type): Add frv case.
4236         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4237         (supported_defaults): Add fr550 case.
4238
4239 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
4240
4241         PR 22591
4242         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4243         whether a pointer of type T * may point to objects of type T *.
4244
4245 2005-07-26  DJ Delorie  <dj@redhat.com>
4246
4247         * configure: Regenerate.
4248
4249 2005-07-26  Dale Johannesen  <dalej@apple.com>
4250
4251         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
4252
4253 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
4254
4255         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4256         Clarify use of "build" in name.
4257
4258 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4259
4260         * doc/extend.texi (Raw read/write Functions): New section.
4261         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4262         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4263         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4264         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4265         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4266         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4267         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4268         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4269         * config/frv/frv.c: Add bdesc_loads global.
4270         Add bdesc_stores global.
4271         (frv_init_builtins): Add support for __builtin_{read/write}*.
4272         (frv_volatile_memref): New.
4273         (frv_expand_load_builtin): New.
4274         (frv_expand_store_builtin): New.
4275         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4276         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4277         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4278         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4279         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4280         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4281         (builtin_read_<mode>): New.
4282         (builtin_write_<mode>): New.
4283         (builtin_write64): New.
4284         (optional_membar_<mode>): New.
4285
4286 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
4287
4288         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4289         (rather than units) against HOST_BITS_PER_WIDE_INT.
4290
4291 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
4292
4293         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4294         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4295         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4296         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4297         FSF address.
4298
4299         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4300         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4301         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4302         comment typos.
4303         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4304
4305 2005-07-26  Richard Guenther  <rguenther@suse.de>
4306
4307         PR tree-optimization/22486
4308         * fold-const.c (fold_unary): Fold away useless component
4309         references of the form (T *)&T.x, if the address
4310         doesn't change.
4311
4312 2005-07-25  James E Wilson  <wilson@specifixinc.com>
4313
4314         * dwarf2out.c (add_call_src_coords_attributes): New.
4315         (gen_inlined_subroutine_die): Call it.
4316         (maybe_emit_file, init_file_table): Add comments.
4317         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4318         maybe_emit_file.
4319         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4320         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4321         * tree.h (BLOCK_SOURCE_LOCATION): New.
4322         (struct tree_block): New field locus.
4323
4324 2005-07-26  Andreas Schwab  <schwab@suse.de>
4325
4326         PR rtl-optimization/23043
4327         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4328         when allocating a struct unoccr.
4329
4330 2005-07-25  Richard Henderson  <rth@redhat.com>
4331
4332         PR 22626
4333         * tree-complex.c (gate_no_optimization): True if errors.
4334         * Makefile.in (tree-complex.o): Update dependencies.
4335
4336 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
4337
4338         * config/frv/predicates.md (integer_register_operand): Use
4339         GPR_AP_OR_PSEUDO_P.
4340
4341 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4342
4343         PR tree-opt/22484
4344         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4345         after fold.
4346         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4347
4348 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4349
4350         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4351         types when flag_unsafe_math_optimizations is true.
4352
4353 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
4354
4355         * gcc.c (option_map): Add --sysroot.
4356         (process_command): Handle --sysroot.
4357         (display_help): Document it.
4358         * doc/cppopts.tex (-isysroot): Document.
4359         * doc/invoke.texi (--sysroot): Document.
4360         * doc/install.texi (--with-build-sysroot): Document.
4361
4362         * Makefile.in (inhibit_libc): New variable.
4363         (INHIBIT_LIBC_CFLAGS): Likewise.
4364         (LIBGCC2_CFLAGS): Include
4365         $(INHIBIT_LIBC_CFLAGS).
4366         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4367         ($(T)crtbegin.o): Do not use @inhibit_libc@.
4368         ($(T)crtend.o): Likewise.
4369         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4370         ($(T)crtendS.o): Likewise.
4371         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4372         ($(T)crtendT.o): Likewise.
4373         (stmp-fixinc): Do not complain about missing headers if
4374         inhibit_libc.
4375         * configure.ac (inhibit_libc): Set it to true/false.
4376         (--with-build-sysroot): New option.  Use it to set
4377         SYSTEM_HEADER_DIR.
4378         * configure: Regenerated.
4379
4380 2005-07-25  Manfred Hollstein  <mh@suse.com>
4381
4382         * calls.c (store_one_arg): Fix unsigned comparison warning.
4383
4384 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
4385
4386         PR other/22337
4387         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4388         (ggc_print_statistics): Initialize variable before use.
4389
4390 2005-07-25  Richard Guenther  <rguenther@suse.de>
4391
4392         * tree-dfa.c (mark_new_vars_to_rename): Protect against
4393         calling with a PHI_NODE argument.
4394
4395         * tree-flow-inline.h (overlap_subvar): Protect against
4396         possible overflow.
4397
4398 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
4399
4400         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4401         * configure: Regenerate.
4402
4403 2005-07-25  Ira Rosen  <irar@il.ibm.com>
4404
4405         * expr.c (highest_pow2_factor): Make extern.
4406         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4407         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4408         record_array_differ_p, array_ptr_differ_p): Likewise.
4409         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4410         additional cases. Call the above functions.
4411         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4412         base_object_differ_p when there are two base objects. Otherwise, compare
4413         base address and offset. Call may_alias_p.
4414         (dump_data_reference): Use a correct field name.
4415         (analyze_array): Make static. Initialize new data-ref fields.
4416         (analyze_indirect_ref): New function.
4417         (init_data_ref): Initialize new data-ref fields.
4418         (strip_conversion): Moved from tree-vect-analyze.c.
4419         (analyze_offset_expr, get_ptr_offset, address_analysis,
4420         object_analysis): Likewise.
4421         (analyze_offset): New function.
4422         (create_data_ref): Likewise.
4423         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4424         dimensions for ARRAY_REFs only.
4425         (build_classic_dist_vector): Make static.
4426         (access_functions_are_affine_or_constant_p): Call macro to get the
4427         address of access functions.
4428         (compute_all_dependences): Add new parameter
4429         compute_self_and_read_read_dependences. Compute self and read-read
4430         dependences if it is true.
4431         (find_data_references_in_loop): Call create_data_ref. Initialize new
4432         data-ref fields.
4433         (compute_data_dependences_for_loop): Add new parameter
4434         compute_self_and_read_read_dependences. Remove parameter nb_loops,
4435         compute nb_loops. Call compute_all_dependences,
4436         build_classic_dist_vector and build_classic_dir_vector with correct
4437         parameters.
4438         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4439         with correct parameters. Compare dimensions for ARRAY_REFs only.
4440         (free_data_refs): Call macro to free access functions.
4441         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4442         fields from stmt_vinfo.
4443         (struct base_object_info): New structure.
4444         (struct data_reference): Move fields to base_object_info. Add fields
4445         first_location and object_info for above structures. Move fields from
4446         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4447         aligned_to.  Add macros to access the new fields.
4448         Update functions declarations.
4449         * tree-flow.h (is_aliased_with): Declare.
4450         * tree-loop-linear.c (linear_transform_loops): Call
4451         compute_data_dependences_for_loop with correct parameters.
4452         * tree-ssa-alias.c (is_aliased_with): New function.
4453         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4454         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4455         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4456         vect_base_addr_differ_p, compute_subscript_distance and
4457         build_classic_dist_vector. Add printings. Check absolute value of
4458         distance.
4459         (vect_analyze_data_ref_dependences): Go through ddrs instead of
4460         data-refs.
4461         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4462         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4463         to bytes. Add printing.
4464         (vect_compute_data_refs_alignment): Go through loads and stores in one
4465         loop.
4466         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4467         vect_analyze_data_ref_access): Likewise.
4468         (vect_analyze_pointer_ref_access): Remove.
4469         (vect_address_analysis, vect_object_analysis): Likewise.
4470         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4471         and analyze data-refs in the loop.
4472         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4473         fields of data-ref instead of stmt. Add init to the offset from the
4474         base.
4475         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4476         (vect_update_init_of_dr): Likewise.
4477         (vect_update_inits_of_drs): Go through loads and stores in one loop.
4478         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4479         removed fields.
4480         (new_loop_vec_info): Initialize new fields.
4481         (destroy_loop_vec_info): Free new fields.
4482         (vect_strip_conversion): Remove.
4483         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4484         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4485         datarefs. Add new field ddrs.
4486         Add macros for the new fields access.
4487         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4488         base_aligned_p, misalignment, memtag, ptr_info and subvars.
4489         Remove their macros.
4490         * tree.h (highest_pow2_factor): Declare.
4491
4492 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
4493
4494         * calls.c (store_one_arg): Check for sibling call MEM arguments
4495         from already clobbered incoming argument area.
4496
4497 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4498
4499         * c-common.c (check_missing_format_attribute): New.
4500         * c-common.h (check_missing_format_attribute): Likewise.
4501         * c-typeck.c (convert_for_assignment): Use it.
4502
4503 2005-07-24  Andreas Schwab  <schwab@suse.de>
4504
4505         * config/m68k/m68k.md ("extendqidi2"): When source is an address
4506         register use a word move.  Correct operand of ext.w in 68000 code.
4507
4508 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
4509
4510         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4511         variables as declarations, rather than definitions.
4512
4513 2005-07-24  Ira Rosen  <irar@il.ibm.com>
4514
4515         PR tree-optimization/22526
4516         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4517         of the zero node.
4518
4519 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4520
4521         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4522         that C99 reserve for future use. Use it to define clog10,
4523         clog10f and clog10l.
4524
4525 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4526
4527         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4528         * configure.ac: Check for -Wmissing-format-attribute.
4529
4530         * configure: Regenerate.
4531
4532 2005-07-23  Richard Henderson  <rth@redhat.com>
4533
4534         PR tree-optimization/22623
4535         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4536
4537 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
4538
4539         PR target/22577
4540         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4541
4542 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4543
4544         * Makefile.in (C_TREE_H): Update dependencies.
4545         * c-tree.h: Include toplev.h.
4546         * diagnostic.h (diagnostic_set_info): Add format attribute.
4547         * rtl-error.c (diagnostic_for_asm): Likewise.
4548
4549 2005-07-23  Chao-ying Fu  <fu@mips.com>
4550
4551         * config/mips/mips-dsp.md: New file.
4552         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4553         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4554         functions.
4555         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4556         MIPS_BUILTIN_BPOSGE32.
4557         (mips_expand_builtin_direct): Add one parameter to indicate that
4558         builtin functions need to return a value.
4559         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4560         functions.
4561         (mips_regno_to_class): Add classes for 12 new DSP registers.
4562         (mips_subword): Change to check four HI registers.
4563         (mips_output_move): Output move to and from 6 new DSP accumulators.
4564         (override_options): Make sure -mdsp and -mips16 are not used together.
4565         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
4566         for machine modes.
4567         (mips_conditional_register_usage): Disable 6 new DSP accumulators
4568         when !TARGET_DSP.
4569         (print_operand): Add 'q' for printing DSP accumulators.
4570         (mips_cannot_change_mode_class): Check ACC_REGS.
4571         (mips_secondary_reload_class): Check ACC_REGS.
4572         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4573         (mips_register_move_cost): Check ACC_REGS.
4574         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4575         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4576         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4577         (dsp_bdesc): New array.
4578         (bdesc_arrays): Add DSP builtin function table.
4579         (mips_prepare_builtin_arg): Check predicate again after
4580         copy_to_mode_reg.
4581         (mips_expand_builtin): Add one more parameter to
4582         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4583         MIPS_BUILTIN_BPOSGE32.
4584         (mips_init_builtins): Initialize new function types.
4585         (mips_expand_builtin_direct): Check if builtin functions need to
4586         return a value and pass operands properly.
4587         (mips_expand_builtin_bposge): New function.
4588         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4589         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4590         (FIRST_PSEUDO_REGISTER): Increase to 188.
4591         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4592         Update for 12 new DSP registers.
4593         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4594         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4595         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4596         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4597         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4598         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4599         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4600         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4601         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4602         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4603         (REGISTER_NAMES): Add names for 12 new DSP registers.
4604         * config/mips/mips.md: Include mips-dsp.md.
4605         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4606         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4607         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4608         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4609         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4610         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4611         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4612         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4613         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4614         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4615         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4616         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4617         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4618         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4619         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4620         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4621         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4622         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4623         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4624         (UNSPEC_RDDSP): New constants.
4625         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4626         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
4627         A<-d alternative.
4628         * config/mips/mips.opt (-mdsp): New option.
4629         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4630         (reg_imm10_operand): New predicates.
4631         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4632         * doc/invoke.texi (-mdsp): Document new option.
4633
4634 2005-07-22  DJ Delorie  <dj@redhat.com>
4635
4636         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4637         to warning calls.
4638         * tree-inline.c (inlinable_function_p): Likewise.
4639
4640 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
4641
4642         PR debug/21828
4643         * toplev.c (check_global_declarations): Do not mark undefined
4644         variables as DECL_IGNORED_P.
4645         * varasm.c (first_global_object_name): GTY it.
4646         (weak_global_object_name): Likewise.
4647         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4648         a string to go into {weak,first}_global_object_name.
4649
4650 2005-07-22  DJ Delorie  <dj@redhat.com>
4651
4652         * c-format.c (check_function_format): Change warning control
4653         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4654
4655 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
4656
4657         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4658         &PTR->FLD a dereference of PTR.
4659         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4660         a potential dereference of PTR.
4661
4662 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
4663
4664         PR rtl-optimization/20370
4665         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4666         call allocate_reg_info if necessary.
4667
4668         PR rtl-optimization/21848
4669         * calls.c (emit_library_call_value_1): For const functions, add
4670         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4671
4672         PR rtl-optimization/22445
4673         * cselib.c (target.h): Include.
4674         (rtx_equal_for_cselib_p): Allow commutative matches.
4675         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4676         Remove MODE parameter.  Changed all callers.
4677
4678         PR rtl-optimization/22258
4679         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4680         New functions.
4681         (try_combine): Use likely_spilled_retval_p.
4682
4683 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
4684
4685         * config.gcc: Add crx-elf support.
4686
4687         * doc/contrib.texi: Mention crx.
4688         * doc/extend.texi: Document crx extensions.
4689         * doc/install.texi: Document crx install.
4690         * doc/invoke.texi: Document crx options.
4691         * doc/md.texi: Document crx constraints.
4692
4693         * config/crx/crx-protos.h: New file.
4694         * config/crx/crx.c: New file.
4695         * config/crx/crx.h: New file.
4696         * config/crx/crx.md: New file.
4697         * config/crx/crx.opt: New file.
4698         * config/crx/t-crx: New file.
4699
4700 2005-07-22  Manfred Hollstein  <mh@suse.com>
4701
4702         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4703         warnings.
4704         (int_add_graph_edge): Likewise.
4705         (collapse_nodes): Likewise.
4706         (process_unification_queue): Likewise.
4707
4708 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4709             Laurent GUERBY  <laurent@guerby.net>
4710
4711         PR tree-optimization/22336
4712         * function.c (record_block_change): Check for
4713         cfun->ib_boundaries_block.
4714
4715 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4716
4717         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4718         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4719
4720 2005-07-21  DJ Delorie  <dj@redhat.com>
4721
4722         * toplev.c (warn_deprecated_use): Add warning control to warning
4723         call.
4724         * c-typeck.c (parser_build_binary_op): Likewise.
4725         (c_finish_if_stmt): Likewise.
4726         * c-common.c (check_function_sentinel): Likewise.
4727         (check_nonnull_arg): Likewise.
4728
4729 2005-07-21  Richard Henderson  <rth@redhat.com>
4730
4731         PR tree-opt/22504
4732         * tree-complex.c (complex_ssa_name_components): New.
4733         (cvc_lookup): Allow entry not found.
4734         (create_components): Remove.
4735         (create_one_component_var, get_component_var): New.
4736         (get_component_ssa_name, set_component_ssa_name): New.
4737         (extract_component): Use get_component_ssa_name.
4738         (update_complex_components): Use set_component_ssa_name.
4739         (update_complex_components_on_edge): Likewise.
4740         (update_phi_components): Create new PHI nodes directly, instead
4741         of adding insns to edges.
4742         (tree_lower_complex): Allocate and free complex_variable_components
4743         and complex_ssa_name_components here.
4744
4745 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4746
4747         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4748         revert to returning false.
4749
4750 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4751
4752         PR target/21149
4753         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4754
4755 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4756
4757         PR target/22576
4758         * config/i386/i386.md (cmpxf): Change operand constraints
4759         to "nonmemory_operand".
4760
4761 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4762
4763         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4764
4765 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4766
4767         PR middle-end/21180
4768         * fold-const.c (fold_build1): Add checksum for the operands.
4769         (fold_build2): Likewise.
4770         (fold_build3): Likewise.
4771
4772 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4773
4774         PR middle-end/19055
4775         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4776
4777 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4778
4779         * common.opt (-fforward-propagate): Committed by mistake,
4780         removed.
4781
4782 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4783
4784         * reg-stack.c: Fix comment typo(s).
4785         * tree-ssa-operands.c: Likewise.
4786         * tree-vectorizer: Likewise.
4787
4788 2005-07-21  Nick Clifton  <nickc@redhat.com>
4789
4790         * config/sh/symbian.c: Replace C++ style line comments with C
4791         style line comments.
4792         (symbian_add_attribute): Do not use a ? operator on the LHS of
4793         an assignment.
4794         (sh_symbian_handle_dll_attribute): Change the type of the
4795         method vector to "VEC(tree,gc)*" and use vector accessor
4796         macros to walk over the elements.
4797         (symbian_export_vtable_and_rtti_p): Likewise.
4798         (symbian_class_needs_attribute_p): Likewise.
4799
4800 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4801
4802         PR target/22085
4803         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4804         initialize targetm.resolve_overloaded_builtin here.
4805         (altivec_expand_overloaded_builtin): Make it non-static.
4806         * config/rs6000/rs6000-protos.h
4807         (altivec_expand_overloaded_builtin): New prototype.
4808         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4809         targetm.resolve_overloaded_builtin here.
4810         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4811
4812 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4813             Zdenek Dvorak  <dvorakz@suse.cz>
4814
4815         PR tree-optimization/19210
4816         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4817         New.
4818         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4819         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4820         rely on unproven assumptions.
4821         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4822         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4823         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4824         to number_of_iterations_exit.
4825         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4826         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4827         * tree-ssa-loop-niter.c (find_loop_niter,
4828         estimate_numbers_of_iterations_loop): Likewise.
4829         (number_of_iterations_exit): Honor the new options.
4830         * doc/invoke.texi (Wunsafe-loop-optimizations,
4831         funsafe-loop-optimizations): Document them.
4832
4833 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4834
4835         PR rtl-optimization/22167
4836         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4837
4838 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4839
4840         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4841         __do_global_dtors_aux longcall.
4842
4843 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4844
4845         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4846         (old_special_pred_table): Don't reference
4847         SPECIAL_MODE_PREDICATES.
4848         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4849         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4850         * config/sh/predicates.h: Don't mention
4851         SPECIAL_MODE_PREDICATES.
4852         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4853         Remove.
4854
4855 2005-07-20  DJ Delorie  <dj@redhat.com>
4856
4857         * config.gcc: Add m32c-elf support.
4858
4859         * doc/contrib.texi: Mention m32c.
4860         * doc/extend.texi: Document m32c extensions.
4861         * doc/install.texi: Mention m32c.
4862         * doc/invoke.texi: Document m32c options.
4863         * doc/md.texi: Document m32c constraints.
4864
4865         * config/m32c/addsub.md: New file.
4866         * config/m32c/bitops.md: New file.
4867         * config/m32c/cond.md: New file.
4868         * config/m32c/jump.md: New file.
4869         * config/m32c/m32c-lib1.S: New file.
4870         * config/m32c/m32c-lib2.c: New file.
4871         * config/m32c/m32c-modes.def: New file.
4872         * config/m32c/m32c-pragma.c: New file.
4873         * config/m32c/m32c-protos.h: New file.
4874         * config/m32c/m32c.abi: New file.
4875         * config/m32c/m32c.c: New file.
4876         * config/m32c/m32c.h: New file.
4877         * config/m32c/m32c.md: New file.
4878         * config/m32c/m32c.opt: New file.
4879         * config/m32c/minmax.md: New file.
4880         * config/m32c/mov.md: New file.
4881         * config/m32c/muldiv.md: New file.
4882         * config/m32c/predicates.md: New file.
4883         * config/m32c/prologue.md: New file.
4884         * config/m32c/shift.md: New file.
4885         * config/m32c/t-m32c: New file.
4886
4887 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4888
4889         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4890         (stack_protect_set, stack_protect_test): New expanders.
4891         (stack_protect_set_si, stack_protect_set_si_media,
4892         stack_protect_set_di_media, stack_protect_test_si,
4893         stack_protect_test_si_media, stack_protect_test_di_media):
4894         New insns.
4895
4896 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4897
4898         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4899
4900 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4901
4902         * tree.h (tree_expr_nonzero_p): Export.
4903         * fold-const.c (tree_expr_nonzero_p): Likewise.
4904         Return true for CALL_EXPRs that are alloca calls.
4905         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4906         against zero.
4907         * tree-flow.h (expr_computes_nonzero): Remove.
4908         * tree-vrp.c (expr_computes_nonzero): Remove.
4909         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4910         (extract_range_from_unary_expr): Likewise.
4911         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4912         tree_expr_nonzero_p.
4913
4914 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4915
4916         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4917         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4918         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4919         All callers changed.
4920         (frame_related_constant_load): New arg "related" which controls
4921         setting of RTX_FRAME_RELATED_P.  All callers changed.
4922         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4923         (bfin_expand_prologue): Add stack limit checking.
4924         * config/bfin/bfin.md (trapifcc): New pattern.
4925
4926         * config/bfin/bfin.c: Include "langhooks.h".
4927         (def_builtin): Go through lang_hooks to call builtin_function.
4928
4929         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4930         * config/bfin/predicates.md (symbol_ref_operand): New.
4931         (call_insn_operand): Delete.  All callers changed to use
4932         register_no_elim_operand.
4933         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4934         call_cookie field.
4935         (function_arg): Use it to generate the call's operand 2.
4936         (bfin_longcall_p): New function.
4937         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4938         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4939         determine if the address needs to be in a REG.
4940         (bfin_handle_longcall_attribute): New function.
4941         (bfin_attribute_table): Add "longcall" and "shortcall".
4942         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4943         (CUMULATIVE_ARGS): New member call_cookie.
4944         (PREDICATE_CODES): Add symbol_ref_operand.
4945         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4946         extra USE to the pattern.
4947         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4948         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4949         sibcall_value_insn; now the new patterns handle direct calls and the
4950         old ones indirect calls.
4951         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4952
4953 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4954
4955         * doc/trouble.texi: Update section on handling of empty loops.
4956
4957 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4958
4959         * config.gcc: Remove support for sparc-*-openbsd*,
4960         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4961         ns32k-*-netbsd*.
4962         * config.host: Remove support for i860-*-sysv4* as a host.
4963         * config/i860/*, config/ip2k/*, config/ns32k/*,
4964         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4965         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4966         mention obsolete ports.
4967
4968 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4969
4970         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4971         soft frame pointer.
4972         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4973         of frame_pointer_rtx.
4974         (sh_expand_epilogue): Likewise.
4975         (sh_set_return_address): Likewise.
4976         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4977         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4978         offsets from FRAME_POINTER_REGNUM.
4979         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4980         (sh_register_names): Add initializer for sfp.
4981         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4982         (VALID_REGISTER_P): Likewise.
4983         (FIRST_PSEUDO_REGISTER): Update.
4984         (DWARF_FRAME_REGISTERS): Define.
4985         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4986         (HARD_FRAME_POINTER_REGNUM): Define.
4987         (FRAME_POINTER_REGNUM): Redefine.
4988         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4989         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4990         from FRAME_POINTER_REGNUM.
4991         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4992         FRAME_POINTER_REGNUM.
4993         (REG_CLASS_CONTENTS): Add sfp.
4994         (REG_ALLOC_ORDER): Likewise.
4995         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4996         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4997         of frame_pointer_rtx.
4998         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4999
5000 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
5001
5002         * fold-const.c (tree_expr_nonnegative_p): Only return true for
5003         ABS_EXPR when flag_wrapv is false because of INT_MIN.
5004         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5005         of an ABS_EXPR.
5006         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5007         ABS_EXPR<x>.
5008
5009 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
5010
5011         Make CONSTRUCTOR use VEC to store initializers.
5012         * c-common.c (complete_array_type): Update to cope with VEC in
5013         CONSTRUCTOR_ELTS.
5014         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5015         (pp_c_constructor_elts): New function.
5016         * c-pretty-print.h (pp_c_constructor_elts): Declare.
5017         * c-typeck.c (build_function_call, build_c_cast, digest_init,
5018         struct constructor_stack, struct initializer_stack,
5019         constructor_elements, push_init_level, pop_init_level,
5020         add_pending_init, find_init_member, output_init_element): Update to
5021         cope with VEC in CONSTRUCTOR_ELTS.
5022         * coverage.c (build_fn_info_value, build_ctr_info_value,
5023         build_gcov_info): Likewise.
5024         * expr.c (categorize_ctor_elements_1, store_constructor,
5025         expand_expr_real_1): Likewise.
5026         * fold-const.c (fold_ternary): Likewise.
5027         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5028         gimplify_init_constructor, gimplify_expr): Likewise.
5029         * tree-dump.c (dequeue_and_dump): Likewise.
5030         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5031         node.
5032         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5033         CONSTRUCTOR_ELTS.
5034         * tree-sra.c (generate_element_init_1): Likewise.
5035         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5036         * tree-ssa-operands.c (get_expr_operands): Likewise.
5037         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5038         * tree-vect-transform.c (vect_get_vec_def_for_operand):
5039         (get_initial_def_for_reduction): Likewise.
5040         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5041         value handle in annotations.
5042         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5043         tree_node_structure): Add support for constr_kind.
5044         (build_vector_from_ctor, build_constructor_single,
5045         build_constructor_from_list): New functions.
5046         (build_constructor): Update to take a VEC instead of a TREE_LIST.
5047         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5048         Update to cope with VEC in CONSTRUCTOR_ELTS.
5049         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5050         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5051         CONSTRUCTOR_APPEND_ELT): New macros.
5052         (struct constructor_elt, struct tree_constructor): New data types.
5053         (union tree_node): Add tree_constructor field.
5054         * treestruct.def: Define TS_CONSTRUCTOR.
5055         * varasm.c (const_hash_1, compare_constant, copy_constant,
5056         compute_reloc_for_constant, output_addressed_constants,
5057         initializer_constant_valid_p, output_constant,
5058         array_size_for_constructor, output_constructor): Update to cope with
5059         VEC in CONSTRUCTOR_ELTS.
5060         * vec.h (VEC_empty, VEC_copy): New macros.
5061
5062 2005-07-19  Devang Patel  <dpatel@apple.com>
5063
5064         * dbxout.c (dbxout_type): Check Objective-C++ lang.
5065
5066 2005-07-19  Richard Henderson  <rth@redhat.com>
5067
5068         PR tree-opt/22278
5069         * gimplify.c (gimplify_expr): Use main variant type for the temp
5070         destination for a discarded volatile read.
5071         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5072         casts between non-void types that change volatility.
5073
5074 2005-07-15  DJ Delorie  <dj@redhat.com>
5075
5076         * toplev.h: Add comment about the first parameter for warning().
5077         * errors.h: Likewise.
5078
5079         * c.opt (Wpragmas): New.
5080         * doc/invoke.texi: Document it.
5081
5082         * function.c (do_warn_unused_parameter): Add warning control to
5083         warning call.
5084         * c-decl.c (warn_if_shadowing): Likewise.
5085         * c-lex.c (cb_def_pragma): Likewise.
5086         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5087         (pop_alignment): Likewise.
5088         (handle_pragma_pack): Likewise.
5089         (apply_pragma_weak): Likewise.
5090         (handle_pragma_weak): Likewise.
5091         (handle_pragma_redefine_extname): Likewise.
5092         (add_to_renaming_pragma_list): Likewise.
5093         (handle_pragma_extern_prefix): Likewise.
5094         (maybe_apply_renaming_pragma): Likewise.
5095         (handle_pragma_visibility): Likewise.
5096
5097         * config/c4x/c4x-c.c (BAD): Likewise.
5098         (c4x_parse_pragma): Likewise.
5099         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5100         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5101         (rs6000_pragma_longcall): Likewise.
5102         * config/v850/v850-c.c (pop_data_area): Likewise.
5103         (ghs_pragma_section): Likewise.
5104         (ghs_pragma_section): Likewise.
5105         (ghs_pragma_interrupt): Likewise.
5106         (ghs_pragma_starttda): Likewise.
5107         (ghs_pragma_startsda): Likewise.
5108         (ghs_pragma_startzda): Likewise.
5109         (ghs_pragma_endtda): Likewise.
5110         (ghs_pragma_endsda): Likewise.
5111         (ghs_pragma_endzda): Likewise.
5112
5113 2005-07-19  Danny Berlin <dberlin@dberlin.org>
5114             Kenneth Zadeck <zadeck@naturalbridge.com>
5115
5116         * Makefile.in: Removed tree-promote-statics.c
5117         * tree-promote-statics.c: Removed.
5118         * common.opt: Removed flag-promote-statics.
5119         * opts.c: Ditto.
5120         * passes.c: Removed tree-promote-statics pass.
5121         * tree-pass.h: Ditto.
5122         * timevar.def: Removed TV_PROMOTE_STATICS.
5123
5124
5125 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
5126
5127         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5128         and *-*-freebsd9.
5129         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5130
5131 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5132
5133         PR c/22476
5134         * c-common.c (check_function_arguments): Call
5135         'check_function_format' if either -Wformat or
5136         -Wmissing-format-attribute are specified.
5137         * c-format.c (check_function_format): Check -Wformat before
5138         calling 'check_format_info'.
5139         * c-opts.c (c_common_post_options): Don't warn for
5140         -Wmissing-format-attribute without -Wformat.
5141         * c-typeck.c (convert_for_assignment): Detect additional cases for
5142         -Wmissing-format-attribute.
5143         * doc/invoke.texi (-Wmissing-format-attribute): Document new
5144         behavior.
5145
5146 2005-07-19  Richard Guenther  <rguenther@suse.de>
5147
5148         * config/i386/i386.md (lrint<mode>2): Use temporary
5149         instead of clobbering non-existent memory.
5150
5151 2005-07-19  Nick Clifton  <nickc@redhat.com>
5152
5153         * config/avr/avr.c (legitimate_address_p): Fix debugging print
5154         statement to avoid displaying ASCII control characters.
5155
5156 2005-07-19  Ben Elliston  <bje@au.ibm.com>
5157
5158         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5159         * cfganal.c (find_edge_index): Ditto.
5160         * combine.c (combine_instructions): Ditto.
5161         * ddg.c (create_scc): Ditto.
5162         (find_successors): Ditto.
5163         (find_predecessors): Ditto.
5164         (find_nodes_on_paths): Ditto.
5165         (longest_simple_path): Ditto.
5166         * flow.c (update_life_info): Ditto.
5167         (count_or_remove_death_notes): Ditto.
5168         (clear_log_links): Ditto.
5169         * modulo-sched.c (generate_reg_moves): Ditto.
5170         (find_max_asap): Ditto.
5171         (find_max_hv_min_mob): Ditto.
5172         (find_max_dv_min_mob): Ditto.
5173         * sbitmap.c (sbitmap_first_set_bit): Ditto.
5174         * sched-rgn.c (extract_edgelst): Ditto.
5175         * tree-into-ssa.c (prepare_names_to_update): Ditto.
5176         (dump_update_ssa): Ditto.
5177         (ssa_names_to_replace) Ditto.
5178         (switch_virtuals_to_full_rewrite): Ditto.
5179         (update_ssa): Ditto.
5180         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5181
5182 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
5183
5184         Fix PR tree-optimization/22483
5185
5186         * tree-complex.c (create_components): Use
5187         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5188         * tree-flow-inline.h (fill_referenced_var_vec): New function.
5189         * tree-flow.h (safe_referenced_var_iterator): New structure.
5190         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5191         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5192         safe_referenced_var iterator.
5193         (add_type_alias): Ditto.
5194
5195 2005-07-19  Steven Bosscher  <stevenb@suse.de>
5196
5197         * loop-init.c (rest_of_handle_loop2): Remove.
5198         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5199         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5200         (pass_rtl_loop_init, pass_rtl_loop_done,
5201         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5202         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5203         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5204         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5205         pass_tree_loop_done, and pass_tree_unswitch.
5206         (gate_loop): Rename to gate_tree_loop.
5207         * passes.c (init_optimization_passes): Update for renamed tree
5208         loop passes.  Add the new loop2 passes as subpasses of loop2.
5209         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5210         Update for the renamed tree loop passes.
5211
5212 2005-07-18  Ian Lance Taylor  <ian@airs.com>
5213
5214         PR middle-end/22057
5215         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5216         blocks when optimizing.
5217
5218 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
5219
5220         * common.opt (frename-registers): Initialize to 2.
5221         (fweb): Ditto.
5222         (fgcse-after-reload): Ditto.
5223         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5224         (process_options): Only change flag_web, flag_rename_registers,
5225         and flag_rerun_cse_after_loop if not explicitly set by user.
5226
5227 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5228
5229         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5230         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5231         in 64-bit mode the same as DImode in 32-bit mode.
5232         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5233         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5234         mode. Add new mode parameter.
5235         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5236         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5237         x86_64_shift_adj): New expanders.
5238         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5239         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5240         insns.
5241         Respective new splitters. Use renamed shift splitter helpers in 32-bit
5242         DImode shift splitters.
5243         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5244         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5245         mode parameter.
5246
5247 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5248
5249         * i386.md (movdi_extzv_1): New.
5250         (zero_extendhidi2): Combine alternatives and never force use of
5251         REX64 prefix.
5252         (zero_extendqidi2): Likewise. Don't restrict input selection.
5253
5254 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5255
5256         Fix PR tree-optimization/22531
5257         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
5258          moment.
5259
5260 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5261
5262         * tree-promote-statics.c (pass_promote_statics): Change dump file
5263          name.
5264
5265 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5266
5267         * tree-optimize.c (init_tree_optimization_passes): Add
5268         pass_eliminate_useless_stores pass.
5269         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5270         * tree-ssa-pre.c (is_copy_stmt): New function.
5271         (follow_copies_till_vuse): Ditto.
5272         (do_eustores): Ditto.
5273         (gate_eustores): Ditto.
5274
5275 2005-07-16  Richard Henderson  <rth@redhat.com>
5276
5277         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5278
5279 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5280            Kenneth Zadeck <zadeck@naturalbridge.com>
5281
5282         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5283         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5284         ipa-type-escape.h, tree-promote-statics.c
5285         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5286         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5287         tree-promote-statics.c: new files.
5288         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5289         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5290         int nonlocal_set_p, mark_constant_function): Deleted.
5291         (rest_of_handle_cfg): Removed call to mark_constant_function.
5292         (nonoverlapping_component_refs_p): Added calls to support
5293         type based aliasing.
5294         * tree-ssa-alias.c (may_alias_p,
5295         compute_flow_insensitive_aliasing): Ditto.
5296         * calls.c (flags_from_decl_or_type): Removed reference to
5297         cgraph_rtl_info.
5298         * c-typeck.c (convert_arguments): Make builtins tolerant of having
5299         too many arguments.  This is necessary for Spec 2000.
5300         * cgraph.h (const_function, pure_function): Removed.
5301         * common.opt: Added "fipa-pure-const", "fipa-reference",
5302         "fipa-type-escape", and "ftree-promote-static".
5303         * opts.c: Ditto.
5304         * passes.c: Added ipa and tree-promote-statics passes.
5305         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5306         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5307         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5308         * tree-flow.h: Added exposed sra calls and addition of
5309         reference_vars_info field for FUNCTION_DECLS.
5310         * tree-pass.h: Added passes.
5311         * tree-sra.c: (sra_init_cache): New function.
5312         (sra_insert_before, sra_insert_after) Made public.
5313         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5314         and made public.
5315         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5316         aliasing. (may_alias_p): Added code to use type escape analysis to
5317         improve alias sets.
5318         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5319         code to prune clobbers of static variables based on information
5320         produced in ipa-reference pass.  Changed call clobbering so that
5321         statics are not marked as clobbered if the call does not clobber
5322         them.
5323
5324 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
5325
5326         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5327         too.
5328
5329 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5330
5331         * doc/install.texi (*-*-solaris2*): Document recommended version
5332         of GNU binutils and mention GNU linker problem on Solaris 10.
5333
5334 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
5335
5336         PR c/22421
5337         * c-decl.c (c_build_bitfield_integer_type): New function.
5338         (finish_struct): Call it.
5339         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5340
5341 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5342
5343         * c-typeck.c (digest_init): Call 'convert_for_assignment'
5344         before returning.
5345
5346 2005-07-16  Jan Hubicka  <jh@suse.cz>
5347
5348         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5349         (scale_bbs_frequencies_int): Watch roundoff errors.
5350         * predict.c (return_prediction): Initialize return_stmt.
5351
5352 2005-07-16  Jan Hubicka  <jh@suse.cz>
5353
5354         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5355         after RTL profiling.
5356
5357 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
5358
5359         PR middle-end/22398
5360         * fold-const.c (build_range_check): Convert high/low to etype
5361         if we are only comparing against exp.
5362
5363 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
5364
5365         Fix PR tree-optimization/22376
5366         * tree-ssa-structalias.c (build_constraint_graph): We really meant
5367         special var here.
5368         (need_to_solve): New function.
5369         (compute_points_to_sets): Use it.
5370
5371 2005-07-15  Jan Hubicka  <jh@suse.cz>
5372
5373         * cfg.c (update_bb_profile_for_threading): More diagnostic.
5374         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5375
5376 2005-07-15  Richard Guenther  <rguenther@suse.de>
5377
5378         * c-common.c (handle_flatten_attribute): New function.
5379         Add flatten function attribute.
5380         * doc/extend.texi: Document flatten function attribute.
5381         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5382         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5383         New functions.
5384         (cgraph_decide_inlining): Handle functions with flatten
5385         attribute.
5386
5387 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
5388
5389         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5390         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5391         UNSPEC_XCHG, UNSPEC_AND): New.
5392         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5393         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5394         * config/rs6000/sync.md (FETCHOP): New code macro.
5395         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5396         New code attrs.
5397         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5398         (sync_compare_and_swap<mode>): Same.
5399         (sync_lock_test_and_set<mode>): Same.
5400         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5401         for QImode and HImode, and not PPC405.
5402         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5403         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5404         (sync_<fetchop>{si,di}_internal): New.
5405         (sync_nand{si,di}_internal): New.
5406         (sync_old_<fetchop>{si,di}_internal): New.
5407         (sync_old_nand{si,di}_internal): New
5408         (sync_new_<fetchop>{si,di}_internal): New.
5409         (sync_new_nand{si,di}_internal): New.
5410         (atomic_and{si,di}): New.
5411         (sync_new_nand{si,di}_internal): New.
5412         (atomic_and{si,di}): New.
5413         (sync_add<mode>_internal): Delete.
5414         (sync_addshort_internal): Use unspec instead of unspec_volatile.
5415         (sync_sub<mode>_internal): Delte.
5416         (sync_subshort_internal): New.
5417         (sync_andsi_internal): Use unspec instead of unspec_volatile.
5418         (sync_anddi_internal): Delete.
5419         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5420         (sync_booldi_internal): Delete.
5421         (sync_boolc<mode>_internal): Delete.
5422         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5423         (sync_boolc<mode>_internal2): Delete.
5424         (sync_boolcc<mode>_internal): Delete.
5425         (isync, lwsync): Use unspec instead of unspec_volatile.
5426         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5427         Revert UNSPEC_VOLATILE.
5428         (rs6000_split_atomic_op): New.
5429         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5430
5431 2005-07-14  Eric Christopher  <echristo@redhat.com>
5432
5433         * config/mips/mips.c (mips_canonicalize_comparison): Cast
5434         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5435
5436 2005-07-14  Eric Christopher  <echristo@redhat.com>
5437
5438         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5439
5440 2005-07-14  Steven Bosscher  <stevenb@suse.de>
5441
5442         PR tree-optimization/22230
5443         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5444         the computation of the four cross productions for "range op range".
5445
5446 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
5447             Ulrich Weigand  <uweigand@de.ibm.com>
5448
5449         PR target/20126
5450         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5451         in some insn.
5452
5453 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5454
5455         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5456
5457 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
5458
5459         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5460
5461 2005-07-14  Richard Guenther  <rguenther@suse.de>
5462
5463         PR middle-end/22347
5464         * config/i386/i386-protos.h (ix86_function_value): Change
5465         prototype to match new target hook.
5466         * config/i386/i386.c (ix86_value_regno): Change prototype
5467         to take extra type argument.
5468         (TARGET_FUNCTION_VALUE): Define.
5469         (ix86_function_ok_for_sibcall): Pass extra argument to
5470         ix86_value_regno, check return slot rtx for exact match.
5471         (ix86_function_value): Take extra parameter.  Dispatch to
5472         ix86_value_regno with fndecl/fntype as provided.
5473         (ix86_value_regno): Handle extra type argument.
5474         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5475
5476         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5477         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5478         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5479         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5480         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5481
5482 2005-07-14  Richard Guenther  <rguenther@suse.de>
5483
5484         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5485         * calls.c (expand_call): Pass fntype to hard_function_value.
5486         (emit_library_call_value_1): Likewise.
5487         * explow.c: Include target.h.
5488         (hard_function_value): Take extra argument, the fntype.
5489         Use new target hook for function_value.
5490         * expr.h (hard_function_value): Change prototype.
5491         * function.c (aggregate_value_p): Pass 0 as fntype to
5492         hard_function_value.
5493         (assign_parms): Use new target hook for function_value.
5494         Pass 0 as fntype to hard_function_value.
5495         (expand_function_end): Likewise.
5496         * reg-stack.c: Include target.h.
5497         (stack_result): Use new target hook for function_value.
5498         * target-def.h: New target hook function_value.
5499         * target.h: Likewise.
5500         * targhooks.c (default_function_value): New function.
5501         * targhooks.h (default_function_value): Declare.
5502
5503 2005-07-13  Ian Lance Taylor  <ian@airs.com>
5504
5505         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5506
5507 2005-07-14  Jan Hubicka  <jh@suse.cz>
5508
5509         * tree-dfa.c (dump_variable): Use default_def function.
5510         * tree-ssa-alias.c (dump_points_to_info): Likewise.
5511         * tree-ssa.c (verify_use): Likewise.
5512         * tree-ssanames.c (release_ssa_name): Likewise.
5513         * tree-tailcall.c (eliminate_tail_call): Likewise.
5514         (tree_optimize_tail_calls_1): Likewise.
5515         * tree-vrp.c (get_value_range): Likewise.
5516
5517 2005-07-14  Ben Elliston  <bje@au.ibm.com>
5518
5519         * gcc.c (main): Compare language[0] with '*' when iterating over
5520         the infiles.
5521
5522 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5523
5524         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5525         "s390_emit_compare".  Add handling of CCZ1mode.
5526         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5527         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5528         checking.
5529         (s390_branch_condition_mask): Add CCZ1mode handling.
5530         * config/s390/s390.md: ("seq", "*seq"): New pattern.
5531         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5532         Use CCZ1mode instead of CCZmode.
5533         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
5534
5535 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5536
5537         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5538         pattern.
5539         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5540
5541 2005-07-13  Eric Christopher  <echristo@redhat.com>
5542
5543         * config/mips/mips.c (mips_canonicalize_comparison): New.
5544         (mips_emit_int_relational): Use.
5545
5546 2005-07-13  Eric Christopher  <echristo@redhat.com>
5547
5548         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5549         static extra parts.
5550         * config/s390/s390.md: Include tpf.md. Move tpf specific
5551         patterns...
5552         * config/s390/tpf.md: To here.
5553         * config/s390/s390.opt: Move tpf specific options...
5554         * config/s390/tpf.opt: to here. Add mmain option.
5555         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5556         * config/s390/tpf.h: Rewrite.
5557
5558 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5559
5560         * doc/tm.texi: Remove @xref{Cross-profiling}.
5561
5562 2005-07-13  Jeff Law  <law@redhat.com>
5563
5564         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5565         expressions, test their _DECL operands for pointer equality rather
5566         than using operand_equal_p.
5567
5568 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5569
5570         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5571         (TARGET_POSIX_IO): This.
5572         * config/darwin.h: Likewise.
5573         * config/freebsd.h: Likewise.
5574         * config/linux.h: Likewise.
5575         * config/lynx.h: Likewise.
5576         * config/netbsd.h: Likewise.
5577         * config/rs6000/linux64.h: Likewise.
5578         * config/rs6000/linux.h: Likewise.
5579         * config/s390/tpf.h: Likewise.
5580         * config/sh/embed-elf.h: Likewise.
5581         * config/sparc/linux64.h: Likewise.
5582         * config/sparc/linux.h: Likewise.
5583         * config/svr4.h: Likewise.
5584         * gcov-io.h: Likewise.
5585
5586         * doc/tm.texi: Updated.
5587
5588         * libgcov.c (create_file_directory): Defined only if
5589         TARGET_POSIX_IO is defined.
5590         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5591         is defined.
5592
5593 2005-07-13  Jan Hubicka  <jh@suse.cz>
5594
5595         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5596
5597 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
5598
5599         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5600         structure as argument.
5601
5602 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
5603
5604         PR tree-optimization/21921
5605         * tree-iterator.c (tsi_link_before): Support the case when
5606         tsi_end_p (tsi) == true.
5607
5608 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5609
5610         PR tree-optimization/22442
5611         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5612         correctly.
5613
5614 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5615
5616         PR rtl-optimization/20376
5617         * toplev.c (process_options): Enable -fweb and -frename-registers when
5618         unrolling.
5619         * doc/invoke.texi: Update the information about when -fweb and
5620         -frename-registers are enabled.
5621
5622 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5623
5624         PR tree-opt/21840
5625         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5626         if *rhs_p is not a SSA_NAME.
5627
5628 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
5629
5630         Fix PR tree-optimization/22422
5631         * tree-ssa-structalias.c (struct variable_info): Add flag for
5632         special vars.
5633         (get_varinfo): Now a static function.
5634         (new_varinfo): init has_union and is_special_var to false.
5635         (solution_set_add): Check has_union.
5636         (do_da_constraint): Move temporary variable so it gets reset
5637         properly.
5638         Also check for special variable.
5639         (do_ds_constraint): Ditto.
5640         (do_sd_constraint): Ditto.
5641         (do_structure_copy): Check for special variable.
5642         (find_func_aliases): Ditto.
5643         (init_base_vars): Set special vars properly.
5644
5645 2005-07-13  Jan Hubicka  <jh@suse.cz>
5646
5647         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5648         do unit-at-a-time.
5649
5650         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5651         (get_expr_operands): Fix thinko wrt flags and subvars.
5652
5653         PR tree-optimize/22379
5654         * tree-inline.c (expand_call_inline): Do not output sorry in early
5655         inlining.
5656
5657 2005-07-12  Dale Johannesen  <dalej@apple.com>
5658
5659         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
5660
5661 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5662
5663         PR bootstrap/21704
5664         * host-linux.h: Include limits.h.
5665
5666 2005-07-12  Dale Johannesen  <dalej@apple.com>
5667
5668         * expr.c (compress_float_constant):  Add cost check.
5669         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
5670
5671 2005-07-12  Dale Johannesen  <dalej@apple.com>
5672
5673         * gcc.target/i386/compress-float-sse.c:  New.
5674         * gcc.target/i386/compress-float-sse-pic.c:  New.
5675         * gcc.target/i386/compress-float-387.c:  New.
5676         * gcc.target/i386/compress-float-387-pic.c:  New.
5677         * gcc.dg/compress-float-ppc.c:  New.
5678         * gcc.dg/compress-float-ppc-pic.c:  New.
5679
5680 2005-07-12  Eric Christopher  <echristo@redhat.com>
5681
5682         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5683         static extra parts.
5684         * config/s390/s390.md: Include tpf.md. Move tpf specific
5685         patterns...
5686         * config/s390/tpf.md: To here.
5687         * config/s390/s390.opt: Move tpf specific options...
5688         * config/s390/tpf.opt: to here. Add mmain option.
5689         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5690         * config/s390/tpf.h: Rewrite.
5691
5692 2005-07-12  Eric Christopher  <echristo@redhat.com>
5693
5694         * gcc.c (struct infile): Update comment for language.
5695         (main): Rewrite input file resetting code.
5696
5697 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5698
5699         PR tree-opt/22335
5700         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5701         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
5702         (lookup_avail_expr): Use constant_boolean_node instead
5703         of boolean_false_node/boolean_true_node.
5704
5705 2005-07-12  Ben Elliston  <bje@au.ibm.com>
5706
5707         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5708         and use it when printing num_edges.
5709
5710 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5711
5712         * doc/extend.texi (Blackfin Built-in Functions): New section.
5713         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5714         @opindex.
5715
5716 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5717
5718         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5719         s/cmpstrsi/cmpstrnsi
5720         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5721         'cmpstrnsi'.
5722         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5723         (init_optabs): Initialize cmpstrn_optab.
5724         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5725         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5726         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5727         * config/i386/i386.md: s/cmpstr/cmpstrn
5728         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5729         * doc/md.texi: Update documentation.
5730
5731 2005-07-11  Richard Henderson  <rth@redhat.com>
5732
5733         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5734         build_va_arg_indirect_ref.
5735         (alpha_gimplify_va_arg): Likewise.
5736         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5737         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5738         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5739         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5740         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5741         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5742         Likewise.
5743         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5744
5745 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5746
5747         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5748         * passes.c (init_optimization_passes): Add pass_empty_loop.
5749         * tree-pass.h (pass_empty_loop): Declare.
5750         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5751         try_remove_empty_loop, remove_empty_loops): New functions.
5752         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5753         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5754
5755 2005-07-12  Peter Barada  <peter@the-baradas.com>
5756
5757         PR middle-end/16719
5758         PR middle-end/18421
5759         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5760         in address registers.
5761         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5762         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5763         alternative of addsi3_5200.
5764
5765 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5766
5767         * config/mips/mips.md (ffs<mode>2): Remove.
5768
5769 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5770
5771         * doc/tree-ssa.texi (Cleanups): Improve description of
5772         TRY_FINALLY_EXPR.
5773         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5774
5775 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5776
5777         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5778         * tree.h (DECL_ARGUMENT_FLD): New macro.
5779
5780 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5781
5782         Fix PR tree-optimization/22404
5783
5784         * tree-ssa-structalias.c (create_variable_info_for): Use
5785         correct offset.
5786
5787 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5788
5789         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5790         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5791         for second comparison operand.
5792         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5793
5794         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5795         (define_insn_reservation "alu"): Likewise.
5796         (csync, ssync): Now of type sync.
5797         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5798         -mcsync-anomaly -mspecld-anomaly.
5799         * config/bfin/bfin.opt (mcsync): Remove.
5800         (mcsync-anomaly, mspecld-anomaly): Add.
5801         * config/bfin/bfin.c: Include "insn-codes.h".
5802         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5803         (TARGET_DEFAULT_TARGET_FLAGS): New.
5804         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5805
5806 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5807
5808         * basic-block.h: Give the BB flags enum a name, bb_flags.
5809         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5810         * cfgcleanup.c (enum bb_flags): Remove here.
5811         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5812         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5813         (update_forwarder_flag): Likewise.
5814         (thread_jump): Likewise.
5815         (try_forward_edges): Likewise.
5816         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5817         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5818         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5819
5820 2005-07-11  Richard Guenther  <rguenther@suse.de>
5821
5822         * config/i386/i386.opt: New target option -msseregparm.
5823         * config/i386/i386.c (override_options): Error out for
5824         -msseregparm but no SSE support.
5825         (ix86_function_sseregparm): Check for global sseregparm.
5826         * doc/invoke.texi: Document -msseregparm.
5827
5828 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5829
5830         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5831         (m32rle-*-linux*): Ditto.
5832
5833 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5834
5835         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5836         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5837         bytes.
5838
5839 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5840
5841         PR middle-end/22239
5842         PR target/20126
5843         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5844         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5845
5846 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5847
5848         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5849         (varmap): Heapify varmap.
5850         (constraints): Heapify constraints.
5851         (struct constraint_graph): Heapify succs and preds.
5852         (constraint_vec_find): Update for heapification.
5853         (constraint_set_union): Ditto.
5854         (insert_into_complex): Ditto.
5855         (constraint_edge_vec_find): Ditto.
5856         (erase_graph_self_edge): Ditto.
5857         (add_graph_edge): Ditto.
5858         (get_graph_weights): Ditto.
5859         (merge_graph_nodes): Ditto.
5860         (build_constraint_graph): Ditto.
5861         (topo_visit): Ditto.
5862         (solve_graph): Ditto.
5863         (create_variable_info_for): Ditto.
5864         (init_base_vars): Ditto.
5865         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5866         (condese_varmap_nodes): Free complex vector.
5867         (clear_edges_for_node): Clear succs and preds vector.
5868
5869 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5870
5871         * tree-ssa-structalias.c (update_alias_info): Change counting of
5872         references to not include vdefs.
5873
5874 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5875
5876         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5877         (up_insert): Ditto.
5878
5879 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5880
5881         * pa.c (pa_commutative_p): Make PLUS commutative when
5882         TARGET_NO_SPACE_REGS is true.
5883
5884 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5885
5886         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5887         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5888         * tree-dfa.c (dump_subvars_for): New.
5889         (debug_subvars_for): New.
5890         (dump_variable): Show subvariables if VAR has them.
5891         * tree-flow-inline.h (get_subvar_at): New.
5892         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5893         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5894         Update all users.
5895         (struct subvar): Change fields offset and size to unsigned
5896         HOST_WIDE_INT.
5897         (dump_subvars_for): Declare.
5898         (debug_subvars_for): Declare.
5899         (get_subvar_at): Declare.
5900         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5901         to unsigned HOST_WIDE_INT *.
5902         (overlap_subvar): Likewise.
5903         * tree-gimple.c (is_gimple_reg): Always return false for
5904         SFTs and memory tags.
5905         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5906         Update all callers.
5907         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5908         (compute_may_aliases): Call compute_points_to_sets.
5909         (collect_points_to_info_for): Remove.
5910         (compute_points_to_and_addr_escape): Remove.
5911         (delete_alias_info): Call delete_points_to_sets.
5912         (compute_flow_sensitive_aliasing): If the call to
5913         find_what_p_points_to returns false, call set_pt_anything.
5914         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5915         (set_pt_anything): Clear pi->pt_vars.
5916         (set_pt_malloc): Remove.
5917         (merge_pointed_to_info): Remove.
5918         (add_pointed_to_expr): Remove.
5919         (add_pointed_to_var): Remove.
5920         (collect_points_to_info_r): Remove.
5921         (is_escape_site): Make extern.
5922         (create_sft): New.
5923         (create_overlap_variables_for): Call it.
5924         * tree-ssa-copy.c (merge_alias_info): Never merge
5925         flow-sensitive alias information.
5926         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5927         offset and size to be unsigned HOST_WIDE_INT.
5928         (add_to_addressable_set): Rename from note_addressable.
5929         Set TREE_ADDRESSABLE as the variables are added to the set.
5930         Update all users.
5931         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5932         operands into VUSEs when adding V_MAY_DEFs for members in an
5933         alias set.
5934         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5935         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5936         (struct variable_info): Add bitfield is_heap_var.
5937         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5938         (new_var_info): Initialize is_heap_var.
5939         (get_constraint_for): Add HEAP variables to the symbol table.
5940         Mark them with is_heap_var.
5941         (update_alias_info): New.  Taken mostly from the old
5942         compute_points_to_and_addr_escape.
5943         (handle_ptr_arith): New.
5944         (find_func_aliases): Call update_alias_info.
5945         Call handle_ptr_info for tcc_binary expressions.
5946         Call mark_stmt_modified.
5947         (create_variable_info_for): If DECL has subvars, do not create
5948         variables for its subvars.  Always add all the fields.
5949         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5950         SFTs, then add all the SFTs of the structure.
5951         If VI->DECL is an aggregate with subvariables, add the SFT at
5952         VI->OFFSET.
5953         (find_what_p_points_to): If VI is an artificial variable,
5954         translate to bitfields in SSA_NAME_PTR_INFO.
5955         If the solution is empty, set pi->pt_vars to NULL
5956         (init_base_vars): Create ANYOFFSET.
5957         (compute_points_to_sets): Rename from create_alias_vars.
5958         Make extern.
5959         (pass_build_pta): Remove.
5960         (delete_points_to_sets): Rename from delete_alias_vars.
5961         (pass_del_pta): Remove.
5962         * tree-ssa-structalias.h (struct alias_info): Move from
5963         tree-ssa-alias.h.
5964         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5965         NUM_REFERENCES_SET): Likewise.
5966         (compute_points_to_sets, delete_points_to_sets): Declare.
5967
5968 2005-07-09  Richard Henderson  <rth@redhat.com>
5969
5970         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5971         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5972         alpha_split_lock_test_and_set_12): New functions.
5973         * config/alpha/alpha-protos.h: Update.
5974         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5975         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5976         * config/alpha/sync.md (I12MODE): New.
5977         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5978         (sync_<fetchop_name><I48MODE>): Likewise.
5979         (sync_nand<I48MODE>): Likewise.
5980         (sync_old_<fetchop_name><I48MODE>): Likewise.
5981         (sync_new_<fetchop_name><I48MODE>): Likewise.
5982         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5983         (sync_compare_and_swap<I48MODE>): Likewise.
5984         (sync_lock_test_and_set<I48MODE>): Likewise.
5985         (sync_compare_and_swap<I12MODE>): New.
5986         (sync_compare_and_swap<I12MODE>_1): New.
5987         (sync_lock_test_and_set<I12MODE>): New.
5988         (sync_lock_test_and_set<I12MODE>_1): New.
5989
5990 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5991
5992         PR 21356
5993         PR 22332
5994         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5995
5996 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5997
5998         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5999         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6000
6001 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
6002
6003         PR target/21656
6004         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6005
6006 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
6007
6008         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6009         memory_operand constraint.
6010         (store_conditional_<mode>): Same.
6011         (sync_compare_and_swap<mode>): Same.
6012         (sync_lock_test_and_set<mode>): Same.
6013
6014 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
6015
6016         Rewrite PIC support to more closely model actual instructions.
6017         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6018         (cris_symbol): Remove prototypes for removed functions.
6019         (cris_pic_symbol_type_of, cris_valid_pic_const)
6020         (cris_expand_pic_call_address): Prototypes for new functions.
6021         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6022         variable.
6023         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6024         modifiers.
6025         <case ':'>: Add case for new punctuation character.
6026         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6027         emitting (extra) PIC modifier.
6028         <case UNSPEC>: Do not assert for PLT.
6029         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6030         (cris_expand_prologue, cris_expand_epilogue): Check
6031         for pic_offset_table_rtx usage instead of taking
6032         current_function_uses_pic_offset_table as the final word.
6033         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6034         Remove flag_pic difference.
6035         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6036         the moral equivalents of...
6037         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6038         functions.
6039         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6040         (cris_handle_option): Mark ARG as unused.
6041         (cris_expand_pic_call_address): New worker function for "call",
6042         "call_value".
6043         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6044         output PIC constructs here.
6045         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6046         as symbol-specific modifers, not whole or part of operands.
6047         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6048         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6049         constants and flag_pic.
6050         (CONSTANT_INDEX_P): Adjust for new functions.
6051         (enum cris_pic_symbol_type): New helper type.
6052         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6053         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6054         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6055         define_constants.
6056         ("movsi"): Emit actual instructions for GOT and relative access.
6057         ("*movsi_got_load"): New pattern to set up the register holding
6058         the GOT pointer.
6059         ("*movsi_internal"): Operand 1 is not a plain general_operand.
6060         Adjust FIXME for 'S'.
6061         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6062         Use "movs" for -fpic cases.
6063         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6064         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6065         ("call", "call_value"): Just call cris_expand_pic_call_address for
6066         PIC addresses.
6067         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6068         Remove special pattern.
6069         ("*expanded_call_side", "*expanded_call_value_side"): New
6070         patterns.
6071         (gotplt-to-plt, gotplt-to-plt-side-call)
6072         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6073         peephole2:s.
6074         * config/cris/cris/predicates.md
6075         ("cris_general_operand_or_gotless_symbol"): Remove unused
6076         predicate.
6077         ("cris_general_operand_or_symbol"): Adjust for new functions.
6078
6079 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6080
6081         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6082
6083 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
6084
6085         * Makefile.in (TREE_H): Add treestruct.def.
6086         (c-decl.o): Add pointer-set.h
6087         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6088         visibility on regular DECL's.
6089         (merge_decls): Fix the copying of decl nodes of various types for
6090         the new structures.  Don't update RTL, section name, weak status,
6091         etc, on DECL's without RTL.
6092         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6093         Don't check volatile on non-variable types.
6094         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6095         to check whether we have seen arguments.
6096         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6097         flag is checked before field (flag is common, field is not).
6098         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
6099         TS_DECL_COMMON could have an origin.
6100         (add_location_or_const_value_attribute): Don't check section name
6101         on non-var/function decls.
6102         (dwarf2out_var_location): Reverse order of tests.
6103         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6104         with DECL_WRTL_CHECK.
6105         * expmed.c (make_tree): rtl is now in decl_with_rtl.
6106         * fold-const.c (fold_binary): Don't check weakness on
6107         non-var/function decls.
6108         (tree_expr_nonzero_p): Ditto.
6109         (fold_checksum_tree): Use tree_decl_extra as sizeof
6110         buffer.
6111         * ggc-page.c (extra_order_size_table): Add sizes for
6112         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
6113         tree_field_decl.
6114         * gimplify.c (gimplify_bind_expr): Only set
6115         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6116         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6117         without RTL.
6118         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6119         * langhooks.h (init_ts). New langhook.
6120         * passes.c (rest_of_decl_compilation): Reverse order of tests.
6121         * print-tree.c (print_node): Update to only print fields that
6122         exist in the structures the passed decl has.
6123         * toplev.c (wrapup_global_declarations): Don't reset
6124         DECL_DEFER_OUTPUT on DECL's that don't contain it.
6125         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6126         * tree-inline.c (remap_decl): Ditto.
6127         * tree-outof-ssa.c (create_temp): Reverse order of tests.
6128         * tree-pretty-print.c (print_declaration): Don't print
6129         DECL_REGISTER on things that don't contain it.
6130         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6131         non-var/function decls.
6132         * tree.c (tree_contains_struct): New structure.
6133         (init_priority_for_decl): New hashtable.
6134         (tree_int_map): New structure.
6135         (tree_int_map_eq): New function.
6136         (tree_int_map_marked_p): Ditto.
6137         (tree_int_map_hash): Ditto.
6138         (tree_map): Move to tree.h.
6139         (tree_map_eq): Externalize.
6140         (tree_map_hash): Ditto.
6141         (tree_map_marked_p): Ditto.
6142         (init_ttree): Set up tree_contains_struct and call langhook.
6143         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6144         (tree_code_size): Update for new structures.
6145         (tree_node_structure): Update for new structures.
6146         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6147         without the field.
6148         (copy_node_stat):  Copy init priority.
6149         (build_decl_stat): Ditto for visibility.
6150         (ts_enum_names): New.
6151         (tree_contains_struct_check_failed): New function.
6152         (decl_init_priority_lookup): Ditto.
6153         (decl_init_priority_insert): Ditto.
6154         * treestruct.def: New file.
6155         * tree.h (CODE_CONTAINS_STRUCT): New macro.
6156         (CONTAINS_STRUCT_CHECK): Ditto.
6157         (tree_contains_struct_check_failed): New prototype.
6158         (DECL_CHECK): Removed.
6159         (DECL_MINIMAL_CHECK): New.
6160         (DECL_COMMON_CHECK): Ditto.
6161         (DECL_WRTL_CHECK): Ditto.
6162         (DECL_NON_COMMON_CHECK): Ditto.
6163         (DECL_WITH_VIS_CHECK): Ditto.
6164         (VAR_OR_FUNCTION_DECL_P): Ditto
6165         (struct tree_decl_minimal): New structure.
6166         (struct tree_decl_common): Ditto.
6167         (struct tree_decl_with_rtl): Ditto.
6168         (struct tree_decl_with_vis): Ditto.
6169         (struct tree_decl_non_common): Ditto.
6170         (struct tree_field_decl): Ditto.
6171         (struct tree_parm_decl): Ditto.
6172         (struct tree_var_decl): Ditto.
6173         (struct tree_function_decl): Ditto.
6174         (struct tree_const_decl): Ditto.
6175         (struct tree_result_decl): Ditto.
6176         (union tree_node): Add new structures.
6177         * var-tracking.c (track_expr_p): Reverse order of tests.
6178
6179         * doc/c-tree.texi: Add documentation on DECL node internal structure.
6180
6181 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6182
6183         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6184         * system.h: Poison FINALIZE_PIC.
6185         * doc/tm.texi (FINALIZE_PIC): Remove.
6186
6187 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6188
6189         PR tree-opt/22329
6190         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6191         to the correct type if we have a MODIFY_EXPR.
6192
6193 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6194
6195         PR tree-optimization/22360
6196         * tree.c (upper_bound_in_type): Fix calculations for casting
6197         to a non-wider signed type and casting a signed value to a
6198         wider unsigned type.
6199         (lower_bound_in_type): Fix calculations for casting to a
6200         non-wider signed type.
6201
6202         PR tree-optimization/20139
6203         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6204         release_defs.
6205         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6206         fold_cond_expr_cond.
6207         * tree-ssanames.c (release_defs): Assert in_ssa_p.
6208         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6209
6210 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6211
6212         PR tree-opt/22356
6213         * tree-complex.c (expand_complex_libcall): Produce
6214         REALPART_EXPR/IMAGPART_EXPR with the correct type.
6215
6216 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
6217
6218         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6219         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6220         b" assert and inserted fastpath code for this case.
6221         (bitmap_ior): Removed "a != b" assert.
6222
6223 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6224
6225         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6226         (ENDFILE_SPEC): Likewise.
6227         * config/m32r/m32r.h (ASM_SPEC): Likewise.
6228
6229         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6230         a large stack frame at epilogue.
6231
6232 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
6233
6234         * final.c: Include sdbout.h when required.
6235
6236 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
6237
6238         * config.gcc (*-*-darwin*): Only one target-specific header file
6239         for generic darwin.
6240         (powerpc-*-darwin*): Add version-specific header files.
6241         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6242         * config.in: Regenerate.
6243         * configure: Regenerate.
6244         * gcc.c: Include xregex.h.
6245         (version_compare_spec_function): New.
6246         (spec_function): Add version-compare.
6247         (replace_outfile_spec_function): Reformat comment.
6248         (compare_version_strings): New.
6249         * config/darwin-c.c (version_as_macro): New.
6250         (builtin_define): New.
6251         (darwin_cpp_builtins): New.
6252         * config/darwin-protos.h (darwin_cpp_builtins): New.
6253         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6254         (LIB_SPEC): Make unconditional, update comment.
6255         (TARGET_C99_FUNCTIONS): Define.
6256         * config/darwin.opt: Sort.
6257         (mmacosx-version-min=): New.
6258         * config/darwin7.h: Delete.
6259         * config/darwin8.h: Delete.
6260         * config/i386/darwin.h (): Call darwin_cpp_builtins.
6261         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6262         (TARGET_C99_FUNCTIONS): Define.
6263         * config/rs6000/darwin7.h: New.
6264         * config/rs6000/darwin8.h: New.
6265         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6266         (-mmacosx-version-min): Document.
6267
6268 2005-07-07  Ian Lance Taylor  <ian@airs.com>
6269
6270         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6271
6272 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
6273
6274         PR middle-end/22239
6275         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6276
6277 2005-07-07  Khem Raj  <kraj@mvista.com>
6278
6279         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6280         in bytes, not words.
6281
6282 2005-07-07  Paul Brook  <paul@codesourcery.com>
6283
6284         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6285         DEFAULT_FUNCTION_ARG_PADDING to upward.
6286
6287 2005-07-07  Richard Henderson  <rth@redhat.com>
6288
6289         * function.c (locate_and_pad_parm): Record parameter alignment in
6290         stack_alignment_needed.
6291
6292 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
6293
6294         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6295         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6296         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6297         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6298         (define_attr "type"): Add isync, sync, load_l, store_c.
6299         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6300         Create scratch volatile MEM.
6301         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
6302         sync.
6303         (load_locked_<mode>): New.
6304         (store_conditional_<mode>): New.
6305         (sync_compare_and_swap<mode>): Replace with splitter.
6306         (sync_lock_test_and_set<mode>): Replace with splitter.
6307         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6308         and UNSPECV_ISYNC.
6309         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
6310         is ics.  Attribute isync.
6311         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
6312         lwsync.
6313         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6314         and UNSPECV_SYNC_OP.
6315         (emit_unlikely_jump): New.
6316         (emit_load_locked): New.
6317         (emit_store_conditional): New.
6318         (rs6000_split_compare_and_swap): New.
6319         (rs6000_split_lock_test_and_set): New.
6320         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6321         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6322         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6323         rs6000_split_lock_test_and_set): Declare.
6324         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6325         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6326         store_c, isync, sync.
6327
6328 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
6329
6330         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6331         filenames to gtyp-gen.h.
6332         (s-typ-gen): Use it in place of for loops.
6333
6334 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
6335
6336         * hooks.c (hook_bool_rtx_int_false): New function.
6337         * hooks.h (hook_bool_rtx_int_false): Declare.
6338         * target-def.h (TARGET_COMMUTATIVE_P): Define.
6339         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6340         * target.h (struct gcc_target): Add commutative_p member.
6341         * targhooks.c (hook_bool_rtx_commutative_p): New function.
6342         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6343         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6344         (pa_commutative_p): New function.
6345         * jump.c (target.h): Include.
6346         (rtx_renumbered_equal_p): Use targetm.commutative_p.
6347         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6348
6349 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6350
6351         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6352         (s390_expand_setmem): New.
6353         * config/s390/s390.c: Likewise.
6354         (print_shift_count_operand): Truncate to 12 bits instead of 6.
6355         Adapt comments.
6356         * config/s390/s390.md: ("setmem<mode>"): Accept character as
6357         general_operand.  Call new function "s390_expand_setmem".
6358         ("clrmem_long", "*clrmem_long"): Rewrite to ...
6359         ("setmem_long", "*setmem_long"): ... this.
6360
6361 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6362
6363         * config/s390/s390.c: (optimization_options): Enable
6364         TARGET_MVCLE at -Os.
6365         * doc/invoke.texi: Document changes in default behaviour.
6366         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6367
6368 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6369
6370         * expr.c: (set_storage_via_setmem): Convert opchar to mode
6371         defined by back-end.
6372
6373 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
6374
6375         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6376         all sets in the pattern.
6377         * config/rs6000/rs6000.md (stack_protect_testsi,
6378         stack_protect_testdi): Likewise.
6379
6380 2005-07-06  Jeff Law  <law@redhat.com>
6381
6382         * tree-vrp.c (simplify_using_ranges): Kill.
6383         (vrp_finalize): Remove call to simplify_using_ranges.
6384         (simplify_stmt_using_ranges): New function extracted from
6385         simplify_using_ranges.
6386         (simplify_div_or_mod_using_ranges): Likewise.
6387         (simplify_abs_using_ranges): Likewise.
6388         (simplify_cond_using_ranges): New function.
6389         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6390         * tree-ssa-propagate.c (substitute_and_fold): Call
6391         simplify_stmt_using_ranges if we have range information.
6392
6393 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
6394
6395         * config/ia64/ia64.c (ia64_reorg): Check optimize before
6396         ia64_flag_schedule_isns2.
6397
6398         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6399         reading/writing general registers.
6400         (ia64_function_arg): Revert 2005-06-18 change.
6401
6402 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
6403
6404         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6405         (legitimize_tls_address): Use gcc_unreachable instead of abort.
6406
6407 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
6408
6409         * function.c (expand_function_end): Revert part of 2005-06-27
6410         patch.  Do sjlj_emit_function_exit_after after return_label.
6411
6412 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6413
6414         * doc/install.texi (--disable-libssp): New.
6415
6416 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
6417
6418         * doc/invoke.texi: Update -fforce-mem documentation.
6419         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6420         code for -fforce-mem.
6421         * expmed.c: (store_bit_field,store_fixed_bit_field,
6422         extract_bit_field): Ditto.
6423         * expr.c: (convert_move): Ditto.
6424         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6425         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6426         emit_conditional_add,expand_float,expand_fix): Ditto.
6427         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6428         (common_handle_option): Issue warning when -fforce-mem specified.
6429
6430 2005-07-06  Paul Brook  <paul@codesourcery.com>
6431
6432         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6433         argument is empty.
6434         * configure: Regenerate.
6435
6436 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
6437
6438         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6439
6440 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
6441
6442         Fix PR tree-optimization/22319
6443         Fix PR tree-optimization/22140
6444         Fix PR tree-optimization/22310
6445
6446         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6447         variable sized types.
6448         Use correct type for intermediate structure on *a = *b structure
6449         copies.
6450
6451 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6452
6453         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6454         Remove.
6455         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6456         (machine_function): Move typedef to...
6457         * config/rs6000/rs6000.c (machine_function): ... here.  Add
6458         varargs_save_offset field.
6459         (rs6000_stack_t): Remove varargs_size field.
6460         (setup_incoming_varargs): Allocate varargs save area using
6461         assign_stack_local, try to make it as small as possible.
6462         Save offset from virtual_stack_vars_rtx to the save area
6463         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
6464         instead of magic 8 when fp word byte size is used.
6465         (rs6000_va_start): Use cfun->machine->varargs_save_offset
6466         instead of -RS6000_VARARGS_SIZE.
6467         (rs6000_stack_info, debug_stack_info,
6468         rs6000_initial_elimination_offset): Remove all traces of
6469         varargs_size.
6470         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6471         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6472         RS6000_VARARGS_AREA.
6473
6474 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
6475
6476         PR tree-optimization/21963
6477         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6478         constant_multiple_of in the same way get_computation_cost_at does.
6479
6480 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6481
6482         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6483         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6484         (gen_compare_reg): If sparc_compare_emitted is set, clear it
6485         and return its previous value.
6486         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6487         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6488         constants.
6489         (stack_protect_set, stack_protect_test): New expanders.
6490         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6491         stack_protect_testdi): New insns.
6492         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6493         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6494
6495 2005-07-06  Jeff Law  <law@redhat.com>
6496
6497         * tree-ssa-dce.c (cfg_altered): New global.
6498         (tree_dce_init): Initialize cfg_altered.
6499         (remove_dead_stmt): If we remove an edge in the CFG, then set
6500         CFG_ALTERED.
6501         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6502         the dominators.
6503
6504 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6505
6506         * Makefile.in (stamp-collect-ld): Use
6507         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
6508         ./collect-ld if it already exists.
6509         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6510         Don't remove ./nm if it already exists.
6511
6512 2005-07-05  Devang Patel  <dpatel@apple.com>
6513
6514         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6515         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6516         * tree-vectorizer.c (vect_loop_location): New.
6517         (vect_print_dump_info): Use vect_loop_location.
6518         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6519         (vectorize_loops): Set vect_loop_location.
6520         * tree-vect-analyze.c (vect_analyze_offset_expr,
6521         vect_determin_vectorization_factor, vect_analyze_operations,
6522         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6523         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6524         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6525         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6526         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6527         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6528         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6529         vect_analyze_loop): Adjust vect_print_dump_info API.
6530         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6531         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6532         vect_finish_stmt_generation, vectorizable_assignment,
6533         vectorizable_operation, vectorizable_store, vectorizable_load,
6534         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6535         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6536         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6537         vect_transform_loop): Same.
6538         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6539         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6540         Same.
6541
6542 2005-07-05  Randolph Chung  <tausq@debian.org>
6543
6544         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6545         * configure: Regenerate.
6546         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6547         (pa_tls_referenced_p): Declare.
6548         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6549         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6550         (legitimize_tls_address): New.
6551         (hppa_legitimize_address): Handle TLS addresses.
6552         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6553         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6554         (emit_move_sequence): Handle TLS addresses.
6555         (pa_encode_section_info): Call default handler to handle common
6556         sections.
6557         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6558         (CONSTANT_ADDRESS_P): Reject TLS operands.
6559         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6560         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6561         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6562         (UNSPEC_TLSLE): Define new constants.
6563         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6564         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6565         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6566         (tie_symbolic_operand, tle_symbolic_operand): New
6567
6568 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
6569
6570         * aclocal.m4: Update macros for autoconf 2.59 style.
6571         * configure.ac: Likewise.
6572
6573 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6574
6575         * pa.c (function_value): Handle small aggregates on 32-bit targets.
6576         (function_arg): Pass small aggregates in general registers on 32-bit
6577         targets.
6578         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6579
6580 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
6581
6582         * Makefile.in (final.o): Fix dependencies.
6583
6584 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6585
6586         PR c/22013
6587         PR c/22098
6588         * langhooks.h (struct lang_hooks): Add expr_to_decl.
6589         * langhooks.c (lhd_expr_to_decl): New.
6590         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6591         New.
6592         (LANG_HOOKS_INITIALIZER): Update.
6593         * tree.c (recompute_tree_invarant_for_addr_expr): Call
6594         expr_to_decl langhook.
6595         * c-tree.h (c_expr_to_decl): Declare.
6596         * c-typeck.c (c_expr_to_decl): New.
6597         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6598         specially.
6599         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6600
6601 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6602
6603         PR c/22308
6604         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6605         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6606
6607 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
6608
6609         * Makefile.in: Adjust dependencies.
6610         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6611         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6612         * alias.c (rest_of_handle_cfg, pass_cfg): New.
6613         * bb-reorder.c (duplicate_computed_gotos): Make it static.
6614         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6615         rest_of_compilation.
6616
6617         * bb-reorder.c (gate_duplicate_computed_gotos,
6618         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6619         rest_of_handle_reorder_blocks, pass_reorder_blocks,
6620         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6621         pass_partition_blocks): New.
6622         * bt-load.c (gate_handle_branch_target_load_optimize,
6623         rest_of_handle_branch_target_load_optimize,
6624         pass_branch_target_load_optimize): New.
6625         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6626         pass_jump2): New.
6627         * cfglayout.c (pass_insn_locators_initialize): New.
6628         * cfgrtl.c (pass_free_cfg): New.
6629         * combine.c (gate_handle_combine, rest_of_handle_combine,
6630         pass_combine): New.
6631         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6632         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6633         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6634         * except.c (pass_set_nothrow_function_flags,
6635         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6636         pass_rtl_eh): New.
6637         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6638         rest_of_handle_shorten_branches, pass_shorten_branches,
6639         rest_of_clean_state, pass_clean_state): New.
6640         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6641         rest_of_handle_remove_death_notes, pass_remove_death_notes,
6642         rest_of_handle_life, pass_life, rest_of_handle_flow2,
6643         pass_flow2): New.
6644         * function.c (pass_instantiate_virtual_regs, pass_init_function,
6645         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6646         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6647         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6648         pass_gcse): New.
6649         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6650         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6651         pass_rtl_ifcvt, gate_handle_if_after_combine,
6652         rest_of_handle_if_after_combine, pass_if_after_combine,
6653         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6654         pass_if_after_reload): New.
6655         * integrate.c (pass_initial_value_sets): New.
6656         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6657         pass_purge_lineno_notes): New.
6658         * mode-switching.c (rest_of_handle_mode_switching,
6659         pass_mode_switching): New.
6660         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6661         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6662         pass_loop2): New.
6663         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6664         pass_loop_optimize): New.
6665         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6666         pass_sms): New.
6667         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6668         pass_gcse2): New.
6669         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6670         pass_postreload_cse): New.
6671         * profile.c (gate_handle_profiling, pass_profiling,
6672         rest_of_handle_branch_prob, pass_branch_prob): New.
6673         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6674         pass_split_before_regstack, gate_handle_split_before_regstack,
6675         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6676         rest_of_handle_split_all_insns, pass_split_all_insns): New.
6677         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6678         pass_stack_regs): New.
6679         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6680         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6681         pass_stack_adjustments): New.
6682         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6683         pass_regrename): New.
6684         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6685         pass_delay_slots, gate_handle_machine_reorg,
6686         rest_of_handle_machine_reorg, pass_machine_reorg): New.
6687         * rtl.h (extern void purge_line_number_notes): New.
6688         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6689         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6690         pass_sched2): New.
6691         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6692         pass_tracer): New.
6693         * value-prof.c (gate_handle_value_profile_transformations,
6694         rest_of_handle_value_profile_transformations,
6695         pass_value_profile_transformations): New.
6696         * var-tracking.c (gate_handle_var_tracking,
6697         pass_variable_tracking): New.
6698         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6699
6700         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6701         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6702         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6703         rest_of_handle_old_regalloc, rest_of_handle_regrename,
6704         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6705         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6706         rest_of_handle_gcse2, rest_of_handle_regmove,
6707         rest_of_handle_tracer, rest_of_handle_if_conversion,
6708         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6709         rest_of_handle_web, rest_of_handle_branch_prob,
6710         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6711         rest_of_handle_jump_bypass, rest_of_handle_combine,
6712         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6713         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6714         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6715         rest_of_handle_mode_switching, rest_of_handle_jump,
6716         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6717         rest_of_handle_flow2, rest_of_handle_jump2,
6718         rest_of_handle_peephole2, rest_of_handle_postreload,
6719         rest_of_handle_shorten_branches, rest_of_clean_state,
6720         rest_of_compilation): Remove.
6721
6722         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6723         * passes.c (dump_flags, in_gimple_form, all_passes,
6724         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6725         register_dump_files, next_pass_1, last_verified, execute_todo,
6726         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6727         from tree-optimize.c.
6728         (init_optimization_passes): Moved from tree-optimize.c,
6729         adding the RTL optimizations.
6730         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6731         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6732         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6733         register_dump_files, next_pass_1, last_verified, execute_todo,
6734         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6735         init_tree_optimization_passes, ipa_passes): Delete.
6736         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6737         the RTL dumps.
6738         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6739         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6740         from tree.h.
6741         (ipa_passes): Remove.
6742         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6743         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6744         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6745         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6746         (dump_info_p, dump_flag): Moved to tree-dump.h.
6747
6748         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6749         cgraph.c, opts.c.
6750         * passes.c (finish_optimization_passes): Use dump_begin
6751         and dump_end, TDI_end.
6752         (gate_rest_of_compilation): New.
6753         (pass_rest_of_compilation): Use it.
6754         (gate_postreload, pass_postreload): New.
6755         * toplev.c (general_init): Rename init_tree_optimization_passes.
6756         * toplev.h (init_tree_optimization_passes): Rename to
6757         init_optimizations_passes.
6758         * tree-dump.c (dump_flag): Make static.
6759         (dump_files): Remove RTL dumps.
6760         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6761         pass_cleanup_cfg, pass_free_cfg_annotations,
6762         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6763         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6764         * tree-pretty-print.c: Include tree-pass.h.
6765         * cgraph.c: Include tree-dump.h.
6766
6767 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6768
6769         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6770         Only fall back to saying it points to readonly memory if
6771         we can't do better.
6772
6773 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6774
6775         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6776         * config/m32r/m32r.c (m32r_compute_frame_size,
6777         m32r_expand_prologue): Take current_function_profile into
6778         account whenever we reference
6779         current_function_uses_pic_offset_table.
6780         (m32r_finalize_pic): Remove.
6781         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6782
6783 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6784
6785         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6786         instead of $<.  Don't remove ./as if it already exists.
6787
6788 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6789
6790         PR target/21723
6791         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6792         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6793         for complex modes when generating code for PA 1.0.
6794         (VALID_FP_MODE_P): New macro.
6795         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6796         sets for all general and floating point modes.  Align wide floating
6797         point modes to even register boundaries to comply with architectural
6798         requirements.
6799         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6800         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6801         (VALID_FP_MODE_P): New macro.
6802         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6803         sets for all general and floating point modes.  Align wide floating
6804         point modes to even register boundaries to comply with architectural
6805         requirements.
6806
6807 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6808
6809         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6810         to 0.
6811
6812 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6813
6814         * tree-ssa-structalias.c: Don't include expr.h.
6815
6816 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6817
6818         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6819         comments.
6820
6821 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6822
6823         Fix PR tree-optimization/22279
6824
6825         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6826         correct operator.
6827
6828 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6829
6830         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6831
6832 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6833
6834         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6835         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6836         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6837         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6838         config/stormy16/stormy16.c, config/v850/v850.c,
6839         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6840         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6841         Avoid "." or "\n" at end of diagnostics and capital letters at
6842         start of diagnostics.
6843         * combine.c, cse.c: Don't translate dump file output.
6844         * toplev.c (print_version): Only translate output if going to
6845         stderr.
6846
6847 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6848
6849         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6850         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6851         typos.
6852
6853 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6854
6855         * pa.c (fix_range): Fix typo in comment.
6856
6857 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6858
6859         * tree-vrp.c (extract_range_from_assert): Replace
6860         fold (build (...)) with fold_build2.
6861
6862 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6863
6864         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6865         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6866         (format_types_orig, handle_format_attribute): Add support for
6867         format "gcc_gfc".
6868
6869 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6870
6871         * varasm.c (assemble_variable): Fix format specifier thinko.
6872
6873 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6874
6875         PR tree-optimization/22029 (and 22135)
6876         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6877         a phi node before calling dump_vops.
6878
6879 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6880
6881         * tree-dump.h (dump_string_field): Declare.
6882         * tree-dump.c: Use it instead of dump_string.
6883         (dump_string_field): Make non-static.
6884
6885 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6886
6887         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6888         up the minimal CFG stuff always when optimize > 0.  Call
6889         split_all_insns_noflow in PIC case if needed.
6890
6891 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6892             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6893
6894         PR c++/18279
6895         * c-decl.c (c_write_global_declarations): Dump contents of
6896         external scope to.
6897         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6898         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6899         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6900         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6901         is enabled.
6902
6903 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6904
6905         * c-common.h (GCC_DIAG_STYLE): Define.
6906         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6907         version for format checking to 4.1.
6908         * c-format.c: Include toplev.h after c-common.h.
6909         (enum format_type): Add gcc_tdiag_format_type.
6910         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6911         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6912         (format_types_orig): Add gcc_tdiag.
6913         (init_dynamic_diag_info): Support gcc_tdiag formats.
6914         (handle_format_attribute): Likewise.
6915         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6916         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6917         version for format checking to 4.1.
6918         (warning0, warning, error, pedwarn, sorry): Use
6919         ATTRIBUTE_GCC_DIAG.
6920         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6921         (finish_aliases_1): Do not use %qE.
6922         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6923         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6924         Correct format bugs.
6925         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6926         parameter to unsigned HOST_WIDE_INT.
6927         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6928
6929 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6930
6931         PR middle-end/21742
6932         * expr.c (write_complex_part): Use adjust_address for MEM.
6933         (read_complex_part): Same.
6934
6935 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6936
6937         Fix PR tree-optimization/22280
6938
6939         * tree-sra.c (generate_element_init): Remove useless loop.
6940
6941 2005-07-02  Richard Henderson  <rth@redhat.com>
6942
6943         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6944         TLS_MODEL_NONE.
6945         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6946
6947 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6948
6949         PR middle-end/14490
6950         * fold-const.c (fold_binary): Handle the return value of
6951         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6952         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6953
6954 2005-07-02  Jeff Law  <law@redhat.com>
6955
6956         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6957         a eliminate type conversion which feeds an equality comparison
6958         if the original type or either operand in the comparison is a
6959         function pointer.
6960
6961 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6962
6963         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6964         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6965         texts.
6966         * config/avr/avr.c: Do not use '`' as left quote.
6967         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6968         Remove "." from end of diagnostics.  Make diagnostics start with
6969         lowercase letter.
6970
6971 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6972             Joseph S. Myers  <joseph@codesourcery.com>
6973
6974         * toplev.c (default_tree_printer): Handle setting location with
6975         '+' flag.
6976         * c-objc.common.c (c_tree_printer): Likewise.
6977         * c-format.c (gcc_diag_flag_specs): Add '+'.
6978         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6979         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6980         formats.
6981         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6982         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6983         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6984         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6985         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6986         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6987         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6988         format arguments where %J is used without %D.
6989
6990 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6991
6992         * gcc.c (LINK_SSP_SPEC): Define.
6993         (link_ssp_spec): New variable.
6994         (LINK_COMMAND_SPEC): Add %(link_ssp).
6995         (static_specs): Add link_ssp_spec.
6996         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6997         * configure: Rebuilt.
6998         * config.in: Rebuilt.
6999
7000         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7001         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7002         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7003         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7004         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7005         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7006         -0x7008(2) instead of reading __stack_chk_guard variable.
7007         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7008         number.
7009         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7010         (stack_protect_set, stack_protect_test): Use *_tls* patterns
7011         if TARGET_THREAD_SSP_OFFSET is defined.
7012         (stack_tls_protect_set_si, stack_tls_protect_set_di,
7013         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7014
7015         Revert:
7016         2005-06-27  Richard Henderson  <rth@redhat.com>
7017         * libgcc-std.ver (GCC_4.1.0): New.
7018         * libgcc.h (__stack_chk_guard): Declare.
7019         (__stack_chk_fail, __stack_chk_fail_local): Declare.
7020         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7021         * mklibgcc.in (lib2funcs): Add them.
7022
7023 2005-07-01  Richard Henderson  <rth@redhat.com>
7024
7025         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7026         void * before struct sigcontext *.
7027         (x86_fallback_frame_state): Likewise.
7028
7029 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
7030
7031         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7032
7033 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7034
7035         PR tree-opt/22269
7036         * tree-ssa-reassoc.c (should_transpose): Fix which operand
7037         we check for SSA_NAME for.
7038
7039 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
7040
7041         Fix PR tree-optimization/22071
7042
7043         * tree-ssa-structalias.c (offset_overlaps_with_access): New
7044         function.
7045         (get_constraint_for_component_ref): Use it.
7046
7047 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7048
7049         PR other/22264
7050         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7051         print out the last new line.
7052
7053 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
7054
7055         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7056         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7057         * config/cris/cris.c (cris_conditional_register_usage): Adjust
7058         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7059         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7060         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7061         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7062         (enum reg_class): New member CC0_REGS.
7063         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7064         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7065         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7066         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7067         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7068         Adjust for register now described.
7069
7070 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
7071
7072         PR target/22262
7073         * config/i386/i386.md (stack_protect_test_si,
7074         stack_protect_test_di): Add earlyclobber for scratch 3.
7075         * config/rs6000/rs6000.md (stack_protect_testsi,
7076         stack_protect_testdi): Add earlyclobber for scratch 3,
7077         remove earlyclobber from scratch 4.
7078
7079 Older entries for 2005 can be found in ChangeLog-2005.