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PR target/23424
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2
3         PR target/23424
4         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
6         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
7         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
8         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
9         swapped, alternatives for the R constraint.
10
11         PR middle-end/24341
12         * builtins.c (get_builtin_sync_mode): Make unlimited
13         mode_for_size request.
14
15 2005-10-15  Richard Henderson  <rth@redhat.com>
16
17         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
18         (gimplify_expr): ... here.
19         (gimplify_compound_lval): Use it in initial scan loop.  Allow
20         fb_lvalue in base expression.
21
22 2005-10-15  Richard Henderson  <rth@redhat.com>
23
24         PR 23714
25         * builtins.c (expand_builtin_trap): Export.
26         * expr.h (expand_builtin_trap): Declare.
27         * expr.c (expand_assignment): Emit a trap for integral offsets 
28         from registers that weren't reduced to bitpos.
29
30         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
31         (mark_array_ref_addressable): Remove.
32         * tree-flow.h (mark_array_ref_addressable): Remove.
33         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
34
35 2005-10-15  James E Wilson  <wilson@specifix.com>
36
37         PR target/24232
38         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
39         (add_dependence_list_and_free): Likewise.
40         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
41         call.
42
43 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
44
45         PR 23141
46         PR 23142
47         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
48         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
49         anti-range.
50         (vrp_visit_phi_node): Only prevent infinite iterations when
51         the previous result and the new result are both VR_RANGEs.
52
53 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
54
55         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
56         function comment.
57
58 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
59
60         PR c/23439
61         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
62         to initialize loc.
63
64 2005-10-14  Per Bothner  <per@bothner.com>
65
66         PR preprocessor/21250
67         * c-ppoutput.c (print_line): Print internal line 0 as 1.
68
69 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
70
71         PR c++/22551
72         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
73         overflow flags.  Refactor some conditionals.
74
75 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
76
77         PR tree-opt/21304
78         * tree-dfa.c (add_referenced_var): Only look at decls which
79         have TREE_CONSTANT or TREE_READONLY set instead of if
80         !TREE_PUBLIC or !TREE_CONSTANT.
81
82 2005-10-13  James E Wilson  <wilson@specifix.com>
83
84         * doc/invoke.texi: For -x, add f95-cpp-input.
85         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
86
87 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
88
89         PR tree-optimization/24262
90         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
91         in loop all the time.
92
93 2005-10-12  Richard Henderson  <rth@redhat.com>
94
95         PR c/24255
96         * tree.h (DECL_TRANSPARENT_UNION): Remove.
97         * function.c (assign_parm_find_data_types): Don't support it.
98         * print-tree.c (print_node): Likewise.
99         * c-common.c (handle_transparent_union_attribute): Likewise.
100         Use build_duplicate_type.
101         * tree-inline.c (remap_type_1): Split out of remap_type;
102         properly remap aggregate fields.
103         (build_duplicate_type): New.
104         * doc/extend.texi (Variable Attributes): Remove documentation
105         for transparent_union.
106
107 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
108
109         PR target/24284
110         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
111         (gen_stack_pointer_dec): Likewise.
112
113 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
114
115         PR middle-end/21275
116         PR middle-end/21766
117         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
118         target hook.
119         (struct cxx): Add adjust_class_at_definition target hook.
120         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
121         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
122         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
123         hook_void_tree. Add to TARGET_CXX.
124         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
125         dllimport_flag.
126         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
127         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
128         instead of attribute. Check for dllexport override.  Warn if
129         inconsistent dll linkage. Don't lose old dllimport if decl has
130         had address referenced.   Tweak lookup of dllimport atribute.  
131         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
132         for target specific rules.  Don't add dllimport attribute if
133         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
134         dllimport attribute. 
135         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
136         * varasm.c (initializer_constant_valid_p): Replace
137         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
138
139         PR target/21801
140         PR target/23589
141         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
142         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
143         (i[34567]86-*-mingw32*): Likewise.
144
145         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
146         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
147                         
148         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
149         C++-specific code. Change return value to bool. 
150         (i386_pe_dllimport_p): Likewise.
151         (associated_type): Simplify and make language-independent
152         (i386_pe_encode_section_info): Replace override of ambiguous
153         dllimport symbol refs with a gcc_assert.
154         (i386_pe_valid_dllimport_attribute_p): Define.
155         * config/i386/winnt-cxx.c: New file. Define C++ versions of
156         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
157         i386_pe_adjust_class_at_definition.
158         * config/i386/winnt-stubs.c: New file. Define stub versions of
159         lang-specific functions.
160         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
161         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
162         i386_pe_adjust_class_at_definition.
163         (i386_pe_valid_dllimport_attribute_p): Declare. 
164         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
165         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
166         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
167
168         PR target/19704
169         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
170         dllimport attribute with test of DECL_DLLIMPORT_P.
171
172 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
173
174         * combine.c (make_extraction): Correct offset computation.
175
176 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
177
178         * config/cris/t-linux (LIMITS_H_TEST): Define.
179
180 2005-10-12  Richard Henderson  <rth@redhat.com>
181
182         PR rtl-opt/23324
183         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
184
185 2005-10-12  Richard Guenther  <rguenther@suse.de>
186
187         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
188
189 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
190
191         PR c++/19964
192         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
193         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
194         type.
195
196 2005-10-12  Richard Guenther  <rguenther@suse.de>
197
198         PR c++/23799
199         * varasm.c (output_constant): Correct typo from previous
200         patch by DJ.
201
202 2005-10-11  Ian Lance Taylor  <ian@airs.com>
203
204         PR rtl-optimization/13931
205         * combine.c: Revert patch of 2003-05-14, and:
206         (try_combine): Only set elim_i1 and elim_i2 if the destination is
207         completely killed in the appropriate insn.
208         (distribute_notes): Don't skip multiple hard register test for
209         elim_i1 and elim_i2.
210
211 2005-10-11  Richard Henderson  <rth@redhat.com>
212
213         PR c/24255
214         * c-typeck.c (convert_for_assignment): Use build_constructor_single
215         to initialize a transparent union instead of a nop_expr.
216
217 2005-10-11  Richard Henderson  <rth@redhat.com>
218
219         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
220         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
221         (tree_ssa_dce_loop): Call scev_reset.
222
223         PR tree-opt/24300
224         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
225         * tree-ssa-dce.c: Include cfgloop.h.
226         (tree_ssa_dce_loop, pass_dce_loop): New.
227         * tree-pass.h (pass_dce_loop): Declare it.
228         * passes.c (init_optimization_passes): Use it.
229
230 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
231
232         PR middle-end/24263 
233         * convert.c (convert_to_real): Revert 2005-10-05 patch.
234         Only apply the optimization for rounding builtins if the inner
235         cast is also an extension.
236
237 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
238
239         PR tree-opt/23946
240         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
241         mark_new_vars_to_rename instead of update_stmt.
242
243 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
244
245         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
246
247 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
248
249         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
250         for setting MMX register to 0 rather than mmx.
251
252 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
253
254         PR target/12098
255         * configure.ac: Move gas check from mips specific case to common case.
256         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
257         * configure: Regenerate
258         * doc/install.texi: Update.
259
260 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
261
262         PR target/24284
263         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
264
265 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
266
267         * gcc.c (do_spec_1): Accept numeric characters in file name
268         suffixes.
269
270 2005-10-10  Nick Clifton  <nickc@redhat.com>
271
272         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
273         describing the deleted arm_gen_rotated_half_load function.
274
275 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
276
277         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
278         __fpscr_values.
279
280 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
281
282         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
283         gnu_ld assignments.
284         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
285         (EXTRA_MULTILIB_PARTS): Define.
286         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
287         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
288         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
289         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
290         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
291         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
292
293 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
294
295         PR tree-optimization/24226
296         * tree-cfg.c (remove_bb): Clean up unreachable loops.
297         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
298         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
299         Export.
300
301 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
302
303         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
304
305 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
306
307         PR target/24136
308         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
309         Rewrite for no need for the early clobber.
310
311 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
312
313         Merge from csl-arm-branch:
314         2005-09-07  Paul Brook  <paul@codesourcery.com>
315         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
316         space to string.
317
318         2005-04-30  Paul Brook  <paul@codesourcery.com>
319         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
320         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
321
322         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
323         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
324         (arm_override_options): Use TARGET_AAPCS_BASED.
325         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
326         (PTRDIFF_TYPE): Use int for AAPCS.
327         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
328         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
329         (DEFAULT_SHORT_ENUMS): Delete.
330         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
331
332         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
333         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
334         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
335         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
336
337         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
338         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
339
340         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
341         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
342  
343         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
344         * config.gcc (arm*-*-linux-gnueabi): Add it.
345         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
346         redefining it.
347         (TARGET_OS_CPP_BUILTINS): Likeiwse.
348         * config/arm/linux-eabi.h: New file.
349         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
350         (LINUX_TARET_LINK_SPEC): Likewise.
351         (LINK_SPEC): Use it.
352         * config/arm/t-linux-eabi: New file.
353
354 2005-10-08  Steven Bosscher  <stevenb@suse.de>
355
356         PR other/22202
357         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
358         spaces.
359         (PARAM_SMS_DFA_HISTORY): Likewise.
360
361 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
362
363         PR middle-end/23150
364         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
365         (load_register_parameters): Call it.
366         (check_sibcall_argument_overlap_1): Likewise.
367         (store_one_arg): Likewise.
368
369 2005-10-07  James E. Wilson  <wilson@specifix.com>
370
371         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
372         DImode not VECINT24 for operand 2.
373
374         PR target/23644
375         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
376         -mtune-arch.
377
378         PR target/24193
379         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
380         fr_spill): Use destination_operand for operand 0.
381
382 2005-10-07  DJ Delorie  <dj@redhat.com>
383
384         * varasm.c (output_constant): Limit error to expanding
385         conversions.
386
387 2005-10-07  Richard Guenther  <rguenther@suse.de>
388
389         PR middle-end/24227
390         * fold-const.c (fold_binary): Fix operand types during folding
391         of X op (A, Y).  Evaluation order of the side-effects of
392         X and A are frontend-defined, so ensure we honour that even for
393         tcc_comparison class operands; eased by removing duplicate code.
394
395 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
396
397         * stor-layout.c (layout_type): Do not allow alignment of array
398         elements to be greater than their size.
399
400 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
401
402         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
403         host_xmake_file.
404         (hppa*-*-linux*): Ditto.
405         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
406         * config/host-hpux.c: New.
407         * config/x-hpux: New.
408         * config/pa/x-hpux: Remove.
409         * config/pa/x-linux: Remove.
410         * config/pa/pa-host.c: Remove.
411
412 2005-10-07  Jeff Law  <law@redhat.com>
413
414         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
415         determine whether or not to try and thread outgoing edges.
416
417 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
418
419         * config/rs6000/rs6000.md (eqsi_power): New.
420         (neg_eq0si): Add TARGET_POWER to final condition.
421         (neg_eqsi): Same.
422
423 2005-10-06  Richard Henderson  <rth@redhat.com>
424
425         * config/rs6000/rs6000.c: Revert last change.
426
427 2005-10-06  Richard Henderson  <rth@redhat.com>
428
429         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
430         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
431
432 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
433
434         PR middle-end/22216
435         PR middle-end/23651
436         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
437         out return_label and naked_return_label.
438
439 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
440         
441         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
442         change.
443
444 2005-10-06  Richard Henderson  <rth@redhat.com>
445
446         PR tree-opt/22237
447         * tree-inline.c (declare_return_variable): Handle modify_dest not
448         being a DECL.
449
450 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
451         
452         Fix PR tree-optimization/22488
453         * tree-ssa-structalias.c (check_for_overlaps): New function.
454         (create_variable_info_for): Use it.
455
456 2005-10-06  Richard Henderson  <rth@redhat.com>
457
458         PR debug/24070
459         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
460         (dwarf2out_start_source_file): Print it.
461
462 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
463
464         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
465
466 2005-10-06  Richard Henderson  <rth@redhat.com>
467
468         PR 23706
469         * mode-switching.c (optimize_mode_switching): Clear transp bit
470         for block with incomming abnormal edges.
471
472         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
473         (fpscr_set_from_mem): Use them.
474         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
475         (fpscr postinc splitters): Rewrite as peephole2+split.
476
477 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
478
479         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
480         (eq<mode>_compare): Same.
481
482 2005-10-06  Richard Guenther  <rguenther@suse.de>
483
484         PR tree-optimization/24238
485         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
486
487 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
488
489         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
490         here.  Use AC_PATH_PROG for environment variables instead of
491         test -x.
492         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
493         objdump also.
494         * configure: Regenerated.
495
496 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
497
498         PR target/23783
499         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
500         then force it into a register.
501         (call_value): Likewise.
502
503 2005-10-06  Richard Henderson  <rth@redhat.com>
504
505         PR 24049
506         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
507         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
508         under pass_vectorize.
509
510 2005-10-05  Devang Patel  <dpatel@apple.com>
511
512         PR Debug/23205
513         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
514         handling constants. Check NAMESPACE_DECL context for constants.
515         
516 2005-10-05  Eric Christopher  <echristo@apple.com>
517
518         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
519
520 2005-10-05  Richard Henderson  <rth@redhat.com>
521
522         PR 23714
523         * tree-cfg.c (mark_array_ref_addressable_1): New.
524         (mark_array_ref_addressable): New.
525         * tree-flow.h (mark_array_ref_addressable): Declare.
526         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
527
528 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
529
530         PR middle-end/20606
531         PR middle-end/24069
532         * reload.c (subst_reloads): When adding a REG_LABEL to a
533         jump instruction, also update JUMP_LABEL.
534
535 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
536
537         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
538         * bb-reorder.c (copy_bb_p): Use it.
539         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
540
541 2005-10-05  Richard Henderson  <rth@redhat.com>
542
543         PR target/23602
544         * toplev.c (process_options): Warn about unsupported combinations
545         of unwind tables and omit-frame-pointer.
546         * config/i386/i386.c (override_options): Similarly.  Enable
547         accumulate-outgoing-args if not explicitly disabled.
548
549 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
550
551         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
552         Handle big endian vs. small endian.
553         (vec_initv2sf): Handle big endian vs. small endian.
554         (*vec_extractv2sf_1): Ditto.
555
556 2005-10-05  Dale Johannesen  <dalej@apple.com>
557
558         * convert.c (convert_to_real):  Don't convert
559         (float)floor(double d) to floorf((float)d).
560
561 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
562
563         * config/arm/arm.md (insv): Use gen_int_mode in more places.
564
565 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
566
567         PR tree-optimization/18587
568         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
569         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
570         build_vuses): Change to VEC type.
571         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
572         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
573         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
574         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
575         (get_name_decl): New.  Return DECL_UID of base variable.
576         (operand_build_cmp): New.  qsort comparison routine.
577         (operand_build_sort_virtual): New.  Sort virtual build vector.
578         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
579         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
580         (FINALIZE_BASE): Use get_name_decl.
581         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
582         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
583         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
584         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
585         direct VEC_* manipulations.
586         (build_ssa_operands): Call operand_build_sort_virtual.
587         (copy_virtual_operand, create_ssa_artficial_load_stmt,
588         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
589         with direct VEC_* manipulations.
590         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
591         with direct VEC manipulations.
592
593 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
594
595         PR tree-optimization/21419
596         PR tree-optimization/24146
597         PR tree-optimization/24151
598
599         * c-typeck.c (readonly_error): Handle USE being lv_asm.
600         (build_asm_expr): Call it if outputs are read-only.
601         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
602
603 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
604             Paolo Bonzini  <bonzini@gnu.org>
605
606         PR target/23809
607
608         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
609         enable the instructions and not just the built-ins.
610         * doc/invoke.texi (x86 Options): Likewise.
611
612 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
613
614         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
615
616         * doc/invoke.texi (Option Summary): Correct spelling
617         of -mmacosx-version-min.
618
619 2005-10-04  Devang Patel  <dpatel@apple.com>
620
621         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
622         real types.
623
624 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
625
626         * tree-vect-transform.c (vect_create_epilog_for_reduction):
627         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
628
629 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
630
631         * config/s390/s390.md ("TDSI","DP"): New mode macros.
632         ("TE","tg"): New mode attributes.
633         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
634         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
635         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
636         dword_mode and one for GPRmode.
637
638 2005-10-04  Ian Lance Taylor  <ian@airs.com>
639
640         PR preprocessor/13726
641         * c-ppoutput.c (cb_include): Add comments parameter, and print out
642         any comments passed in.
643
644 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
645
646         * tree.c (annotate_with_file_line): Fix typo.
647
648 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
649
650         PR ada/19382
651         * builtins.c (fold_builtin_memcmp): When constructing the pointer
652         type used to access data in the inlined length == 1 case, use
653         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
654         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
655
656 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
657
658         * config/i386/i386.h (TARGET_FISTTP): Enable also for
659         TARGET_SSE3 and only for TARGET_80387.
660         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
661         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
662         Do not depend on TARGET_80387.
663
664 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
665
666         * tree.c (last_annotated_node): Change type to location_t*.
667         (annotate_with_file_line): Reflect the change of
668         last_annotated_node type.
669
670 2005-10-04  Richard Guenther  <rguenther@suse.de>
671
672         PR c/23576
673         * c-decl.c (grokdeclarator): Don't write to fields
674         of error_mark_node.
675
676 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
677
678         PR middle-end/23125
679         * c-decl.c (finish_decl): Use set_user_assembler_name even for
680         register variables.
681         * varasm.c (make_decl_rtl): If a register variable does not
682         have a set user assmbler name, error out.
683         Decode the asmspec is now name+1 bypassing '*'.
684
685 2005-10-04  Steven Bosscher  <stevenb@suse.de>
686
687         PR tree-optimization/23049
688         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
689         of a COND_EXPR is folded before calling fold on the whole rhs of a
690         conditional assignment.
691         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
692         document that a COND_EXPR may appear there.
693
694 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
695
696         PR 23445
697         * tree-vrp.c (extract_range_from_assert): If the new numeric
698         range created out of the assertion contradicts the existing
699         numeric range of the ASSERT_EXPR variable, make the new range
700         varying.
701
702 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
703
704         * config/sh/sh.c (sh_register_move_cost): Add case for moving
705         from T_REGS to FP register class.
706
707 2005-10-03  Richard Henderson  <rth@redhat.com>
708
709         PR 24135
710         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
711         before creating a new one.
712
713 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
714
715         * config/rs6000/t-aix43 (LDFLAGS): New.
716         * config/rs6000/t-aix52 (LDFLAGS): New.
717
718 2005-10-03  Ian Lance Taylor  <ian@airs.com>
719
720         * gimplify.c (find_single_pointer_decl_1): New static function.
721         (find_single_pointer_decl): New static function.
722         (internal_get_tmp_var): For a formal variable, set restrict base
723         information if appropriate.
724         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
725         return it.
726         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
727         (DECL_GET_RESTRICT_BASE): Define.
728         (SET_DECL_RESTRICT_BASE): Define.
729         (decl_restrict_base_lookup): Declare.
730         (decl_restrict_base_insert): Declare.
731         (struct tree_decl_with_vis): Add based_on_restrict_p field.
732         * tree.c (restrict_base_for_decl): New static variable.
733         (init_ttree): Initialize restrict_base_for_decl.
734         (copy_node_stat): Copy restrict base information.
735         (decl_restrict_base_lookup): New function.
736         (decl_restrict_base_insert): New function.
737         (print_restrict_base_statistics): New static function.
738         (dump_tree_statistics): Call print_restrict_base_statistics.
739
740 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
741
742         PR 24142
743         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
744         case of anti-ranges.
745
746 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
747
748         PR c/18851
749         * c-typeck.c (tagged_tu_seen): Rename to ...
750         (tagged_tu_seen_cache): this and add val field.
751         (comptypes): Move functional to comptypes_internal
752         and free tagged_tu_seen.
753         (comptypes_internal): New function and call comptypes_internal
754         instead of comptypes. Speed up by sibcalling
755         tagged_types_tu_compatible_p.
756         (alloc_tagged_tu_seen): New function
757         (free_all_tagged_tu_seen_up_to): New function.
758         (tagged_types_tu_compatible_p): Return the val of the seen two
759         types.
760         Add that the two types are the same to tagged_tu_seen_base
761         if they are and call comptypes_internal instead of comptypes.
762         <case UNION_TYPE>: Speed up common type where the fields are
763         in the same order.
764         (function_types_compatible_p): Call comptypes_internal instead of
765         comptypes.
766         (type_lists_compatible_p): Likewise.
767         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
768
769 2005-10-02  Matthias Klose  <doko@debian.org>
770
771         * doc/invoke.texi: Fix typo and speling error.
772
773 2005-10-01  Richard Henderson  <rth@redhat.com>
774
775         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
776
777 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
778
779         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
780         using --start-group and --end-group.
781
782 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
783
784         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
785         FIXME note regarding quirky semantics.
786
787 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
788
789         PR 24141
790         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
791         non-null range as a last resort.
792
793 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
794             Diego Novillo  <dnovillo@redhat.com>
795
796         PR 23604
797         * tree-vrp.c (extract_range_from_assert): For !=
798         assertions, only build an anti-range if LIMIT is a
799         single-valued range.
800
801 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
802
803         * arm.md (movqi): On thumb when optimizing, handle loading from
804         memory by describing this as taking a subreg of a zero-extended load
805         into an SImode register.
806         (movhi): Likewise.
807
808 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
809
810         * reload1.c (merge_assigned_reloads): Do not change any
811         RELOAD_FOR_OUTPUT_ADDRESS reloads.
812
813 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
814
815         * Makefile.in (LIPO_FOR_TARGET): Define.
816         (STRIP_FOR_TARGET): Define.
817
818         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
819         before creating new ones.  Do symlinks before creating the actual
820         targets.
821
822         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
823         to work out which multilibs are actually being built.
824
825 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
826
827         * tree-vect-transform.c, config/ms1/ms1.md,
828         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
829         Follow spelling conventions.
830         * doc/invoke.texi, doc/md.texi: Fix typos.
831
832 2005-09-30  Andrew Macleod  <amacleod@redat.com>
833
834         PR tree-optimization/21430
835         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
836         use operands, and set stmt pointer if need be.
837         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
838         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
839         present.
840
841 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
842
843         PR middle-end/24053
844         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
845
846 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
847
848         * optabs.c (expand_binop): Initialize first_pass_p.
849
850 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
851
852         PR middle-end/24109
853         * c-decl.c (c_write_global_declarations_1): If any
854         wrapup_global_declaration_2 call returned true, restart the loop.
855
856 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
857
858         Fix PR tree-optimization/24117
859         * tree-ssa-structalias.c (find_func_aliases): Strip nops
860         before considering whether to use anyoffset.
861
862 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
863
864         Revert this patch:
865
866         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
867
868         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
869         to order operands.
870         (swap_commutative_operands_with_target): New.
871
872 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
873
874         PR c/21419
875         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
876         read-only.
877
878 2005-09-29  Steven Bosscher  <stevenb@suse.de>
879
880         PR tree-optimization/23911
881         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
882         and IMAGPART_EXPR too.
883
884 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
885
886         PR 17886
887         * expmed.c (expand_shift): Move logic to reverse rotation
888         direction when  rotating by constants ...
889         * optabs.c (expand_binop): ... here.
890         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
891         (ix86_rotrdi3): New pattern.
892         (rotldi3): Handle 32-bit mode.
893         (ix86_rotldi3): New pattern.
894
895 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
896
897         PR target/24102
898         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
899         check for numbers that need no bit twiddle.
900
901 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
902
903         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
904         multilib to be built.
905
906         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
907         (stage1-start): Delete old libgcc and libunwind before moving
908         anything into the stage directory.
909         (stage2-start): Likewise.
910         (stage3-start): Likewise.
911         (stage4-start): Likewise.
912         (stageprofile-start): Likewise.
913         (stagefeedback-start): Likewise.
914         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
915         header in tm_file and CPU-specific t-darwin in tmake_file.
916         (i[34567]86-*-darwin*): Don't change tm_file.
917         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
918         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
919         shared library stub for target OS version.
920         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
921         (SHLIB_LINK): Don't make SHLIB_SOLINK.
922         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
923         (libgcc_s.%.dylib): New.
924         (LIBGCC): Define.
925         (install-darwin-libgcc-stubs): New.
926         (INSTALL_LIBGCC): New append.
927         * config/i386/darwin-libgcc.10.4.ver: New.
928         * config/i386/darwin-libgcc.10.5.ver: New.
929         * config/i386/t-darwin: New.
930         * config/rs6000/darwin-libgcc.10.4.ver: New.
931         * config/rs6000/darwin-libgcc.10.5.ver: New.
932         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
933         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
934
935 2005-09-28  Paul Brook  <paul@codesourcery.com>
936
937         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
938         denormals.
939
940 2005-09-28  Richard Guenther  <rguenther@suse.de>
941
942         PR tree-optimization/23853
943         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
944         host_integerp to verify misalignment value.
945
946 2005-09-28  Richard Henderson  <rth@redhat.com>
947
948         * builtins.c (get_builtin_sync_mode): New.
949         (expand_builtin_sync_operation): Pass in mode argument.
950         (expand_builtin_compare_and_swap): Likewise.
951         (expand_builtin_lock_test_and_set): Likewise.
952         (expand_builtin_lock_release): Likewise.
953         (expand_builtin): Update to match.
954
955 2005-09-28  Nick Clifton  <nickc@redhat.com>
956
957         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
958         formatting.  Add check to PLUS case to ensure that the offset is
959         within an acceptable range.
960
961         * config/v850/v850.md (casesi): Disable the generation of the
962         switch pattern as it is not being handled properly at the moment.
963
964         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
965         for when the high words are identical.
966
967 2005-09-27  Richard Henderson  <rth@redhat.com>
968
969         * pretty-print.c (pp_base_format): Fix typo for %>.
970
971 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
972             Devang Patel  <dpatel@apple.com>
973
974         PR tree-optimization/23625
975         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
976         LABEL_EXPR, assertion check.
977
978 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
979
980         * optabs.c (no_conflict_move_test): Check if a result of a
981         to-be-moved insn would be clobbered by an originally
982         preceding insn.
983
984 2005-09-27  Jeff Law  <law@redhat.com>
985
986         * passes.c (init_optimization_passes): Replace copy propagation
987         passes immediately after DOM with phi-only copy propagation
988         pases.  Add phi-only copy propagation pass after first DOM pass.
989         * tree-pass.h (pass_phi_only_copy_prop): Declare.
990         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
991         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
992         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
993         to init_copy_prop.  Callers updated.
994         (do_phi_only_copy_prop): New function.
995         (pass_phi_only_copy_prop): New pass descriptor.
996
997 2005-09-27  Nick Clifton  <nickc@redhat.com>
998
999         * libgcc2.c (__popcount_tab): Remove redundant prototype.
1000
1001 2005-09-26  Jason Merrill  <jason@redhat.com>
1002
1003         PR c++/13764
1004         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1005
1006         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1007
1008 2005-09-26  James E Wilson  <wilson@specifix.com>
1009
1010         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1011         copyright.  Add gcc copyright plus libgcc exception.
1012         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
1013         copyright.
1014         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1015
1016 2005-09-26  Jeff Law  <law@redhat.com>
1017
1018         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1019         about when to iterate.
1020
1021 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
1022
1023         PR target/23847
1024         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1025         for __complex__ double in -mcpu=G5 mode.
1026
1027 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
1028
1029         PR tree-optimization/23942
1030         * Makefile.in (SCEV_H): Depends on PARAMS_H.
1031         * tree-scalar-evolution.c: Include params.h.
1032         (t_bool): New enum.
1033         (follow_ssa_edge, follow_ssa_edge_in_rhs,
1034         follow_ssa_edge_in_condition_phi_branch,
1035         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1036         Change return type to t_bool.  Use a parameter to limit the size of
1037         trees that are walked before stopping
1038         (analyze_evolution_in_loop): Initialize the limit to 0.
1039         (follow_ssa_edge): Give up by returning t_dont_know if the limit
1040         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1041
1042 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1043
1044         PR middle-end/23831
1045         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1046         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1047
1048 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
1049
1050         * combine.c (make_extraction): Check for valid use of subreg.
1051
1052 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1053
1054         PR target/24055
1055         * config/i386/i386.md ("*fistdi2_1"): New pattern.
1056         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1057         ("fist<mode>2_with_temp"): Use only register operands.
1058
1059 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
1060
1061         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1062         CALL_INSN_FUNCTION_USAGE.
1063
1064 2005-09-26  Richard Guenther  <rguenther@suse.de>
1065
1066         PR middle-end/15855
1067         * gcse.c: Include hashtab.h, define ldst entry hashtable.
1068         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1069         (ldst_entry): Use the hashtable instead of list-walking.
1070         (find_rtx_in_ldst): Likewise.
1071         (free_ldst_entry): Free the hashtable.
1072         (compute_ld_motion_mems): Create the hashtable.
1073         (trim_ld_motion_mems): Remove entry from hashtable if
1074         removing it from list.
1075         (compute_store_table): Likewise^2.
1076         (store_motion): Free hashtable in case we did not see
1077         any stores.
1078
1079 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
1080
1081         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1082         and arg1 if we are passing them to fold_build2.
1083
1084 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
1085
1086         PR 23828
1087         * config/i386/i386.c (ix86_function_regparm): Fix the test for
1088         a nested function.
1089
1090 2005-09-25  Richard Henderson  <rth@redhat.com>
1091
1092         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1093         SYMBOL_REF_TLS_MODEL to be correct.
1094
1095 2005-09-24  Richard Henderson  <rth@redhat.com>
1096
1097         * ipa-type-escape.c (discover_unique_type): Remove dead code at
1098         end of function.  Reindent.
1099
1100 2005-09-24  Ian Lance Taylor  <ian@airs.com>
1101
1102         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1103         NEGATE_EXPR/BIT_NOT_EXPR case.
1104
1105 2005-09-24  Richard Henderson  <rth@redhat.com>
1106
1107         * c-common.c (handle_mode_attribute): When not modifying in place,
1108         create subtypes for enumerations.
1109         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1110         * gimplify.c (create_tmp_from_val): Likewise.
1111
1112 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
1113
1114         * config/i386/i386.md (*tls_global_dynamic_64,
1115         *tls_local_dynamic_base_64): Add missing mode to call.
1116         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1117
1118 2005-09-24  Jan Hubicka  <jh@suse.cz>
1119
1120         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1121         (cgraph_clone_node): Likewise.
1122         * cgraph.h (cgraph_clone_edge): Update prototype.
1123         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1124         duplicated prototypes; add updating argument.
1125         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1126         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1127         updating profile.
1128         (cgraph_mark_inline_edge): Likewise.
1129         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1130         (cgraph_flatten_node): Likewise.
1131         (cgraph_decide_recursive_inlining): Likewise.
1132         (cgraph_decide_inlining_of_small_function): Likewise.
1133         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1134
1135 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1136             Pete Steinmetz <steinmtz@us.ibm.com>
1137
1138         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1139         (rldic.): Set type to "compare".
1140         (rldicr.): Same.
1141         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
1142         mfjmpr for MFCTR/MFLR.
1143         (movdf_hardfloat64): Same.
1144         (movdf_softfloat64): Same.  Correct order of store and move types.
1145         (movti_string): Set type to store_ux/load_ux.
1146         (load_multiple): Set type to load_ux.
1147         (store_multiple): Set type to store_ux.
1148         (movmemsi): Set type to store_ux.
1149         (output_cbranch direct_return): Set type to jmpreg.
1150         (stmw): Set type to store_ux.
1151         (lmw): Set type to load_ux.
1152         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1153         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1154         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1155         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1156         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1157         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1158         (rios1-fpstore): Increase latency to 3.
1159         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1160         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1161
1162 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1163             Andrew Pinski  <pinskia@physics.uc.edu>
1164
1165         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1166         operand2 constraint to "b".
1167         (sync_<fetchop_name>di_internal): Same.
1168         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1169         to "b".
1170         (sync_old_<fetchop_name>di_internal): Same.
1171         (sync_new_<fetchop_name>si_internal): Same.
1172         (sync_new_<fetchop_name>di_internal): Same.
1173
1174 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
1175
1176         PR middle-end/23991
1177         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1178         case, define as macros.
1179
1180         PR rtl-optimization/23837
1181         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
1182         clobber / clobber match between dest and p->first.
1183
1184         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1185         (no_conflict_move_test): Update comments.
1186
1187 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1188
1189         * doc/install.texi: Update URL for Jacks.
1190         * doc/sourcebuild.texi: Likewise.
1191
1192 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
1193
1194         PR target/24007
1195         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1196         registers when choosing register preferences.
1197         (movdf_hardfloat64): Same.
1198
1199 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
1200
1201         * expmed.c (expand_shift): Don't use the target of the rotate as
1202         target for the first expanded shift insn.
1203         * testsuite/gcc.dg/20050922-1.c: Testcase added.
1204
1205 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
1206
1207         PR tree-optimization/22438
1208         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1209         preserved iv rhs rewriting specially.
1210
1211 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
1212
1213         * tree-data-ref.c (analyze_array_indexes): Only estimate when
1214         estimate_only  is true.
1215         * tree-flow.h (ref_contains_indirect_ref): New prototype.
1216         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1217         tree-ssa-structalias.c
1218         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1219         ref_contains_indirect_ref.
1220         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1221
1222 2005-09-21  DJ Delorie  <dj@redhat.com>
1223
1224         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1225         MASK_PTR_A0D0.
1226         (mn10300_return_in_memory): Support variable size types also.
1227         (mn10300_pass_by_reference): Likewise.
1228         (mn10300_function_value): New.
1229         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1230         (FUNCTION_OUTGOING_VALUE): Likewise.
1231         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1232         * doc/invoke.texi: Document it.
1233
1234 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
1235
1236         PR target/22585
1237         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1238         force integer op1 into register for XFmode compares.
1239
1240 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1241
1242         PR middle-end/23971
1243         * expmed.c (alg_code): Add alg_impossible.
1244         (alg_hash_entry): Add cost.
1245         (synth_mult): Record alg_impossible in the hash table if
1246         multiplication by a given integer is impossble within the
1247         limit.  Speed up using alg_impossible.
1248
1249 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1250
1251         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1252         argument.  Allow and set any offset if needs_anyoffset is passed
1253         in.
1254         (get_constraint_for): Add argument here too.
1255         Pass it down.
1256         (do_structure_copy): Pass NULL to get_constraint_for.
1257         (handle_ptr_arith): Ditto.
1258         (find_func_aliases): Ditto.
1259
1260 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
1261
1262         PR rtl-optimization/23898
1263         * output.h (get_attr_min_length): Declare.
1264         * final.c (get_attr_length_1): New function, broken out of:
1265         (get_attr_length).
1266         (get_attr_min_length): New function.
1267         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1268         (duplicate_computed_gotos): Likewise.
1269         * genattr.c (insn_min_length): Generate declaration.
1270         * genattrtab.c (min_fn, min_attr_value): New functions.
1271         (make_length_attrs): Generate insn_min_length.
1272
1273 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
1274
1275         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1276
1277 2005-09-20  Richard Henderson  <rth@redhat.com>
1278
1279         PR tree-optimization/24059
1280         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1281         EXPAND_STACK_PARM.
1282
1283 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
1284
1285         * c.opt (fextended-identifiers): New.
1286         * c-opts.c (c_common_handle_option): Handle
1287         -fextended-identifiers.
1288         * doc/cpp.texi: Update documentation of extended identifiers.
1289         * doc/cppopts.texi (-fextended-identifiers): Document.
1290
1291 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
1292
1293         PR tree-optimization/23929
1294         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1295         if expr is NULL.
1296
1297         PR tree-optimization/23818
1298         * tree-stdarg.c (execute_optimize_stdarg): Call
1299         calculate_dominance_info.
1300
1301 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1302
1303         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1304         (analyze_siv_subscript_cst_affine): Add weak SIV test.
1305         (compute_overlap_steps_for_affine_1_2): Use
1306         get_number_of_iters_for_loop.
1307         (analyze_subscript_affine_affine): Check whether difference is
1308         zero first.
1309         Use get_number_of_iters_for_loop.
1310         Check whether overlap occurs outside of bounds.
1311         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1312
1313 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1314
1315         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1316         base register if possible.
1317
1318 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
1319
1320         PR tree-optimization/18463
1321         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1322         converting it directly is not possible.
1323         (chrec_convert_aggressive): New function.
1324         * tree-chrec.h (chrec_convert_aggressive): Declare.
1325         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1326         Fold chrec conversions aggressively if asked to.
1327         (instantiate_parameters): Modified because of changes in
1328         instantiate_parameters_1.
1329
1330 2005-09-19  Richard Henderson  <rth@redhat.com>
1331
1332         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1333         (reduc_splus_v2df): New.
1334
1335 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
1336
1337         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1338         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
1339
1340 2005-09-19  Richard Henderson  <rth@redhat.com>
1341
1342         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1343         vcondu<SSEMODE12>.
1344
1345 2005-09-19  Richard Henderson  <rth@redhat.com>
1346
1347         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1348         (ia64_expand_dot_prod_v8qi): New.
1349         * config/ia64/ia64-protos.h: Update.
1350         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1351         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1352         sdot_prodv8qi, sdot_prodv4hi): New.
1353         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1354
1355 2005-09-19  Richard Henderson  <rth@redhat.com>
1356
1357         PR 23941
1358         * real.c (exact_real_truncate): Return false if the format cannot
1359         represent the number as a normal.
1360
1361         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1362         for a memory source.
1363
1364 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
1365
1366         * tree-ssa-operands.c (swap_tree_operands): Export.
1367         * tree.h (swap_tree_operands): Declare.
1368         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1369         Call swap_tree_operands.
1370
1371 2005-09-19  Richard Henderson  <rth@redhat.com>
1372
1373         * tree-flow.h (merge_alias_info): Declare.
1374         * tree-ssa-copy.c (merge_alias_info): Export.
1375         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1376         (vect_create_data_ref_ptr): Use create_iv directly.
1377         (vectorizable_load): Use correct types for integer constants.
1378         (vect_generate_tmps_on_preheader): Likewise.
1379         (vect_gen_niters_for_prolog_loop): Likewise.
1380
1381 2005-09-19  Steven Bosscher  <stevenb@suse.de>
1382
1383         PR rtl-optimization/23943
1384         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1385
1386 2005-09-18  Jan Hubicka  <jh@suse.cz>
1387
1388         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1389
1390 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
1391
1392         * varasm.c (output_constant): Do not abort on conversions to union
1393         types between different sizes.
1394
1395 2005-09-18  Richard Guenther  <rguenther@suse.de>
1396
1397         PR middle-end/23944
1398         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1399         fallback.
1400
1401 2005-09-18  Paul Brook  <paul@codesourcery.com>
1402
1403         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1404
1405 2005-09-17  Richard Henderson  <rth@redhat.com>
1406
1407         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1408         * tree-ssa-loop.c (pass_vect_dce): Remove.
1409         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1410         of pass_vectorize.
1411
1412 2005-09-17  Richard Henderson  <rth@redhat.com>
1413
1414         * tree-pass.h (pass_vect_dce): Declare.
1415         * passes.c (init_optimization_passes): Add it.
1416         * tree-flow.h (tree_ssa_dce): Declare.
1417         * tree-ssa-dce.c (tree_ssa_dce): Export.
1418         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1419         (gate_tree_vectorize): ... here.
1420         (pass_vect_dce): New.
1421
1422 2005-09-17  Jan Hubicka  <jh@suse.cz>
1423
1424         * except.c (struct eh_status): Turn region_array into vec.
1425         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1426         convert_from_eh_region_ranges, find_exception_handler_labels,
1427         current_function_has_exception_handlers, assign_filter_values,
1428         build_post_landing_pads, dw2_build_landing_pads,
1429         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1430         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1431         foreach_reachable_handler, can_throw_internal_1,
1432         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1433         region_array.
1434         (duplicate_eh_region_1): Update region_array.
1435         (duplicate_eh_regions): Resize region_array and avoid recomputing.
1436
1437 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
1438
1439         PR middle-end/22067
1440         * expmed.c (expand_mult): Substitute simple register for op0 when
1441         computing max_cost.
1442
1443 2005-09-17  Richard Henderson  <rth@redhat.com>
1444
1445         * expr.c (emit_move_via_integer): Add force argument, pass it on
1446         to emit_move_change_mode.  Update callers.
1447         (emit_move_complex): Pass true to new force argument.
1448         * function.c (expand_function_end): Move expand_eh_return call
1449         earlier.  Merge sub-word complex values into a pseudo before
1450         copying to the return hard register.
1451
1452 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
1453
1454         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1455         between different sizes.
1456
1457 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
1458
1459         PR 23903
1460
1461         * passes.c (init_optimization_passes): Register dump files for
1462         IPA passes first.
1463
1464 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1465
1466         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1467         * config/s390/s390.c (s390_overlap_p): New function.
1468         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1469         peephole2, "*xc" peephole2): Added overlap check to the peephole2
1470         condition.
1471
1472 2005-09-16  Richard Guenther  <rguenther@suse.de>
1473
1474         * ipa-pure-const.c (static_execute): Free auxiliar information.
1475         * ipa-type-escape.c (discover_unique_type): Free temporary key.
1476         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1477
1478 2005-09-15  DJ Delorie  <dj@redhat.com>
1479
1480         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1481
1482 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1483
1484         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1485         to order operands.
1486         (swap_commutative_operands_with_target): New.
1487
1488 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
1489
1490         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1491         parameter.
1492         Update callers.
1493         (estimate_iters_using_array): New function.
1494         * tree-data-ref.h (estimate_iters_using_array): Prototype
1495         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1496         Use estimate_iters_using_array instead of analyze_array.
1497
1498 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
1499
1500         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1501         as addressable.
1502
1503 2005-09-15  Michael Matz  <matz@suse.de>
1504
1505         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1506
1507 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
1508
1509         PR tree-optimization/23835
1510         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1511         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1512
1513 2005-09-14  Richard Henderson  <rth@redhat.com>
1514
1515         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1516         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1517
1518 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
1519
1520         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1521         in the ARRAY_TYPE case.
1522
1523 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1524
1525         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1526
1527 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
1528
1529         PR middle-end/22480
1530         * tree-vect-transform.c (vectorizable_operation): Return false for
1531         scalar shift operations and for vector shift operations with
1532         non-invariant shift arguments.  Use scalar tree operand op1 as
1533         a shift operand when vector shift insn pattern uses scalar shift
1534         operand.
1535         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1536
1537 2005-09-14  Olivier Hainque  <hainque@adacore.com>
1538
1539         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1540         value if it has side-effects.
1541
1542 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
1543
1544         PR target/22068
1545         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1546
1547 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
1548
1549         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1550         passed as NAME as if it were label at start of function code.
1551
1552 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1553
1554         * config/sh/sh.md (*movv4sf_i): Add general register cases to
1555         the constraints.
1556
1557 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
1558
1559         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1560         as early clobber.  Rewrite so the PIC register is not implicitly used.
1561
1562 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1563
1564         * tree.c (annotate_with_file_line): Compare line numbers before
1565         file names.
1566
1567 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
1568
1569         PR target/23816
1570         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1571         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1572
1573 2005-09-13  Ian Lance Taylor  <ian@airs.com>
1574
1575         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1576         than a HOST_WIDEST_INT to gen_doloop_begin.
1577
1578 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
1579
1580         * tree-dfa.c (dump_variable): Guard against NULL annotations.
1581
1582 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
1583
1584         PR tree-optimize/23817
1585         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1586
1587 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
1588
1589         PR target/23774
1590         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1591         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
1592         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1593         (restore_stack_nonlocal): Likewise.
1594         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1595
1596 2005-09-12  Ian Lance Taylor  <ian@airs.com>
1597
1598         PR g++/7874
1599         * c.opt (ffriend-injection): New C++ option.
1600         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1601         (C++ Dialect Options): Document -ffriend-injection.
1602
1603 2005-09-12  Josh Conner  <jconner@apple.com>
1604
1605         PR middle-end/23237
1606         * ipa-reference.c (static_execute): Don't mark variables in
1607         named sections TREE_READONLY.
1608
1609 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1610
1611         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1612         stack_tie.
1613
1614 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
1615
1616         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1617         V_MUST_DEF instead of just the first_use_p.
1618         Don't mark the virtual variables for renaming on the statement which
1619         is being removed.
1620         (pass_dse): Remove TODO_update_ssa.
1621
1622 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
1623
1624         PR middle-end/23290
1625         * stor-layout.c (compute_record_mode): For records with a single
1626         field, actually check the field's mode size against the type size.
1627
1628         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1629         registers for TARGET_SHMEDIA.
1630         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1631         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
1632         of GENERAL_REGS and FP_REGS.
1633
1634 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1635
1636         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1637
1638 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1639
1640         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1641         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1642         are omitted.  Exclude stack_tie insn too.
1643
1644 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
1645
1646         PR rtl-optimization/23098
1647         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1648         0.0f is easy.
1649         * config/rs6000/rs6000.md (movdf splitter): Use
1650         const_double_operand predicate for TARGET_POWERPC64.
1651         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1652         SYMBOL_REF method to ABI_V4.
1653
1654         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1655         replace_equiv_address.
1656         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1657         rs6000_sr_alias_set and MEM_NOTRAP.
1658         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1659
1660 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1661
1662         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1663         handle CALL_EXPR again.
1664
1665 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1666
1667         * arm/predicates.md (alignable_memory_operand): Delete.
1668
1669 2005-09-10  Richard Henderson  <rth@redhat.com>
1670
1671         PR debug/23806
1672         * dbxout.c (dbxout_expand_expr): New.
1673         (dbxout_symbol): Use it.
1674
1675 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
1676
1677         * arm.c (arm_gen_rotated_half_load): Delete.
1678         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1679         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1680         (thumb_set_return_address): Likewise.
1681         (thumb_load_double_from_address): Use adjust_address.
1682         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1683         (extendhsisi2_mem, movhi_bytes): Use change_address.
1684         (movhi): Use widen_memory_access.
1685         (reload_out_df): Use replace_equiv_address.
1686         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1687
1688 2005-09-09  Richard Henderson  <rth@redhat.com>
1689
1690         PR debug/20998
1691         * dbxout.c: Include expr.h.
1692         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1693         (dbxout_symbol): Handle DECL_VALUE_EXPR.
1694         * Makefile.in (dbxout.o): Add EXPR_H.
1695
1696 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
1697
1698         PR tree-optimization/23509
1699         * tree-cfg.c (replace_uses_by): Use replace_exp.
1700         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1701         pointers have name_mem_tag or type_mem_tag set.
1702
1703 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1704
1705         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1706         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1707         of wrongly accessing operands.
1708
1709 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
1710
1711         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1712         * tree-chrec.c: Include tree-scalar-evolution.h.
1713         (chrec_convert): Instantiate the base and step before calling
1714         scev_probably_wraps_p that would fail on parametric evolutions.
1715         Collect all the fails into a single section failed_to_convert,
1716         print a diagnostic, and return chrec_dont_know instead of calling
1717         fold_convert.
1718         * tree-scalar-evolution.c (loop_closed_phi_def): New.
1719         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1720         phi nodes.
1721         (scev_const_prop): Don't replace the definition of a loop closed ssa
1722         phi node by itself, or by another loop closed ssa phi node.
1723         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1724         that base and step are defined.
1725
1726 2005-09-09  Richard Guenther  <rguenther@suse.de>
1727
1728         PR c++/23624
1729         * fold-const.c (fold_ternary): Check truth_value_p before
1730         calling invert_truthvalue.
1731
1732 2005-09-09  Nick Clifton  <nickc@redhat.com>
1733
1734         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1735         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1736         dimension of these arrays.
1737         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1738         these arrays.
1739         * longlong.h: Only provide a prototype for the __clz_tab[] array
1740         if this header has not been included from libgcc2.h.
1741         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1742         defining own types.
1743         Provide prototypes for exported functions.
1744         Use the __clz_tab[] and __popcount_tab[] arrays provided by
1745         libgcc2.c.
1746
1747 2005-09-08  Josh Conner  <jconner@apple.com>
1748
1749         PR c++/21135
1750         PR c++/23180
1751         * expr.c (expand_expr_addr_expr_1): Don't invoke
1752         expand_simple_binop for EXPAND_INITIALIZER.
1753
1754 2005-09-08  Richard Henderson  <rth@redhat.com>
1755
1756         PR debug/23190
1757         * toplev.c (wrapup_global_declaration_1): Split out ...
1758         (wrapup_global_declaration_2): ... from ...
1759         (wrapup_global_declarations): ... here.  Return bool.
1760         (check_global_declaration_1): Split out ...
1761         (check_global_declarations): from here.
1762         (emit_debug_global_declarations): New.
1763         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1764         check_global_declaration_1, emit_debug_global_declarations): Declare.
1765         * c-decl.c (c_write_global_declarations_1): Don't create a vector
1766         of decls.  Call wrapup_global_declaration_1,
1767         wrapup_global_declaration_2, check_global_declaration_1 directly.
1768         (c_write_global_declarations_2): New.
1769         (ext_block): New.
1770         (c_write_global_declarations): Call c_write_global_declarations_2.
1771         * langhooks.c (write_global_declarations): Call
1772         emit_debug_global_declarations.
1773
1774         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1775         remove decls that have DECL_RTL_SET_P.
1776         * passes.c (rest_of_decl_compilation): Invoke
1777         cgraph_varpool_finalize_decl for all but functions.
1778
1779 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1780
1781         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1782         the result of a conversion if the new min and max cannot be compared.
1783
1784 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1785
1786         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1787         (override_options): Setting s390_sr_alias_set removed.
1788         (save_fpr, save_gprs): Set alias set to vararg or frame.
1789         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1790         s390_sr_alias_set with get_frame_alias_set ().
1791         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1792         get_varargs_alias_set ().
1793
1794 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1795
1796         PR objc/20574
1797         PR objc/19324
1798         * c-parser.c (c_parser_objc_method_definition): If the next
1799         token is not "{", error out and don't start the function.
1800
1801 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
1802
1803         * tree-vrp.c (extract_range_from_expr): Move the check for non
1804         nullness after the check for gimple invariant.
1805
1806 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1807
1808         * tree.c (host_integerp, tree_low_cst): Correct function comment.
1809
1810 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1811
1812         PR target/23747
1813         * config/m32r.md (movmemsi_internal): Canonicalize order of
1814         operands in PLUS component of template.
1815
1816 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1817
1818         * reload1.c (fixup_eh_region_note): Remove assertion.
1819         (fixup_abnormal_edges): Reverted removal of call to
1820         find_many_sub_basic_blocks made on 2005-08-31.
1821
1822 2005-09-07  Richard Henderson  <rth@redhat.com>
1823
1824         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1825         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1826         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1827         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1828         rearrange for better packing.
1829         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1830         (lookup_cfa_1): Remove inline marker.
1831         (cfa_equal_p): Split out of ...
1832         (def_cfa_1): ... here.  Use INVALID_REGNUM.
1833         (build_cfa_loc): Handle !cfa->indirect.
1834         (frame_pointer_cfa_offset): New.
1835         (dbx_reg_number): Assert register elimination performed; do
1836         leaf register remapping.
1837         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1838         (eliminate_reg_to_offset): New.
1839         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
1840         for verifiably local stack frame addresses; re-base to CFA.
1841         (mem_loc_descriptor): Remove can_use_fbreg argument.
1842         (concat_loc_descriptor, loc_descriptor): Likewise.
1843         (containing_function_has_frame_base): Remove.
1844         (rtl_for_decl_location): Don't do register elimination or
1845         leaf register remapping here.
1846         (secname_for_decl): Split out from ..
1847         (add_location_or_const_value_attribute): ... here.
1848         (convert_cfa_to_loc_list): New.
1849         (compute_frame_pointer_to_cfa_displacement): New.
1850         (gen_subprogram_die): Use them.
1851         * tree.h (frame_base_decl): Remove.
1852         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1853         (prologue_stack_adjust): Remove.
1854         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1855         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1856         (set_frame_base_location): Remove.
1857         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1858         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1859         (vt_add_function_parameters): Don't eliminate_regs.
1860         (vt_initialize): Don't create frame_base_decl.
1861
1862 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1863
1864         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1865         version of GNU binutils for 4.x and later.
1866
1867 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
1868
1869         * ggc-page.c (ggc_push_context): Remove.
1870         (ggc_pop_context): Likewise.
1871         * ggc.h (ggc_push_context): Remove.
1872         (ggc_pop_context): Likewise.
1873
1874 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1875
1876         PR target/8973
1877         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1878         returning from an interrupt handler.
1879
1880 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1881
1882         PR target/8972
1883         * config/arc/arc.c (output_shift): Add check for loop count when
1884         optimizing.
1885
1886 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1887
1888         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1889         form manually.
1890         (abs_replacement): Likewise.
1891         (pass_phiopt): Remove TODO_update_ssa.
1892
1893 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR c/23075
1896         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1897         if "return with no value, in function returning non-void" warning
1898         has been issued.
1899         * tree-cfg.c (execute_warn_function_return): Don't look at
1900         RETURN_EXPRs with TREE_NO_WARNING set.
1901
1902         PR target/22362
1903         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1904         for internal functions doesn't use registers used by global registers
1905         variables.  Use fewer register parameters if there are global register
1906         variables.
1907
1908 2005-09-06  Olivier Hainque  <hainque@adacore.com>
1909             Eric Botcazou  <ebotcazou@adacore.com>
1910
1911         PR middle-end/14997
1912         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1913         when we would be extracting outside its bit span (bitpos+bitsize
1914         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1915         Ada unchecked conversions.
1916
1917 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1918
1919         * tree-ssa-pre.c (try_look_through_load): New function.
1920         (compute_avail): Use it to try to look through loads for some
1921         more useful expressions.
1922
1923 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1924
1925         * simplify-rtx.c (simplify_binary_operation_1): Correct the
1926         condition for detecting cases like (a&a) and (a^a).
1927
1928 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
1929
1930         * common.opt: Add option ftree-vect-loop-version.
1931         * params.def: Add --param vect-max-version-checks.
1932         * doc/invoke.texi: Document ftree-vect-loop-version and
1933         --param vect-max-version-checks.
1934         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1935         may_misalign_stmts and defines for accessors.
1936         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1937         LOOP_VINFO_MAY_MISALIGN_STMTS.
1938         (destroy_loop_vec_info): VEC_free for
1939         LOOP_VINFO_MAY_MISALIGN_STMTS.
1940         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1941         Update documentation.
1942         (vect_update_misalignment_for_peel): New.
1943         (vect_enhance_data_refs_alignment): Update to choose loop
1944         peeling or loop versioning if appropriate for the (potentially)
1945         unaligned data references in the loop.
1946         (vect_analyze_data_refs_alignment): Remove call to
1947         vect_enhance_data_refs_alignment so the checks can be done
1948         earlier.
1949         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1950         and move up call to vect_analyze_data_refs_alignment.
1951         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1952         (vect_transform_loop): Add call to loop_version.
1953
1954 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1955
1956         PR rtl-optimization/23098
1957         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1958         * simplify-rtx.c (constant_pool_reference_p): New function.
1959         * rtl.h (constant_pool_reference_p): New prototype.
1960         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1961         constant_pool_reference_p in condition and
1962         avoid_constant_pool_reference in preparation statements.
1963
1964 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1965
1966         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1967         STRICT_LOW_PART SETs.
1968
1969 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
1970
1971         PR middle-end/21460
1972         * except.c (sjlj_emit_function_enter): Find the function begin
1973         note even when it's not in first basic block.
1974
1975 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
1976
1977         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
1978         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1979         * aclocal.m4: Regenerate.
1980
1981 2005-09-05  DJ Delorie  <dj@redhat.com>
1982
1983         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1984         of macro.
1985
1986 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
1987
1988         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1989         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1990         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1991         Follow spelling conventions.
1992         * doc/invoke.texi: Follow spelling conventions.
1993
1994 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1995
1996         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1997         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1998         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1999
2000 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2001
2002         PR target/23683
2003         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2004         (output_stack_adjust): Use gen_tmp_stack_mem.
2005         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2006         (sh_set_return_address, sh_allocate_initial_value): Likewise.
2007         (sh_get_pr_initial_val): Likewise.
2008         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2009         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
2010         * sh.md (divsi_inv_m0): Use gen_const_mem.
2011         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2012         (movdf_i4+1): Use gen_tmp_stack_mem.
2013         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2014         (fpu_switch+2): Likewise.
2015         (movv4sf_i, movv16sf_i): Use adjust_address.
2016         (symGOT_load): Set MEM_NOTRAP_P bit.
2017
2018 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2019
2020         PR target/23721
2021         * pa.c (emit_move_sequence): Fix typo in last change.
2022
2023 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
2024
2025         PR rtl-optimization/23454
2026         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2027         is true.
2028
2029 2005-09-03  Richard Henderson  <rth@redhat.com>
2030             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2031
2032         PR middle-end/23671
2033         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2034         gen_rtx_MEM.
2035
2036 2005-09-02  Nicolas Pitre <nico@cam.org>
2037
2038         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2039         to bit_count to 32 bits.
2040
2041 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
2042
2043         PR c++/23167
2044         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2045         generating synthetic loads from volatile lvalues.
2046
2047 005-09-02  Nick Clifton  <nickc@redhat.com>
2048
2049         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2050         __ctzhi2, __clzhi2): New functions.
2051
2052 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
2053
2054         PR middle-end/23547
2055         * tree-nested.c (struct var_map_elt): Mark with GTY.
2056         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
2057         var_map_elt.
2058         (lookup_field_for_decl): Allocate new element in GC memory.
2059         (lookup_tramp_for_decl): Likewise.
2060         (convert_nl_goto_reference): Likewise
2061         (create_nesting_tree): Allocate info in GC memory. Likewise for
2062         info->var_map.
2063         (free_nesting_tree): Free with ggc_free instead of free.
2064         (root): New static variable.
2065         (lower_nested_functions): Remove root as local variable.  And zero out
2066         root at the end of the function.
2067
2068 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
2069
2070         PR rtl-optimization/20365
2071         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2072         to short.  New member ix.
2073         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2074         (simplify_plus_minus): Initialize ix members before calling qsort.
2075
2076 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
2077
2078         PR tree-optimization/23626
2079         * tree-cfg.c (replace_uses_by): Clean up eh info.
2080
2081 2005-09-01  DJ Delorie  <dj@redhat.com>
2082
2083         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2084         fprintf.
2085
2086 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
2087
2088         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2089         (rs6000_split_multireg_move): Use replace_equiv_address instead of
2090         gen_rtx_MEM.
2091
2092 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
2093
2094         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
2095         do not issue warning for a variable definition following
2096         a declaration.
2097
2098 2005-09-01  Richard Henderson  <rth@redhat.com>
2099
2100         PR 23668
2101         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2102         conversion to CONST_VECTOR.
2103
2104 2005-09-01  Richard Henderson  <rth@redhat.com>
2105
2106         PR 23676
2107         * reload1.c (reload_as_needed): Check !CALL_P before calling
2108         fixup_eh_region_note.
2109         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2110
2111 2005-09-01  DJ Delorie  <dj@redhat.com>
2112
2113         * varasm.c (output_constant): Let the target resolve
2114         conversions of addresses to non-default pointer sizes.
2115
2116 2005-09-01  Nicolas Pitre <nico@cam.org>
2117
2118         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2119         to alow matching ARM pre-indexed addressing mode.
2120         (arm_override_options): Remove now irrelevant comment.
2121
2122 2005-09-01  Phil Edwards  <phil@codesourcery.com>
2123
2124         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
2125         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
2126         * config/i386/vxworks.h:  Likewise.
2127         * config/i386/t-vxworksae:  New file, for VxWorks AE.
2128         * config/i386/vxworksae.h:  Likewise.
2129
2130 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
2131
2132         PR tree-optimization/23410
2133         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2134         sequence is not wrapping during the first step.
2135
2136 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2137
2138         PR debug/7241
2139         * dwarf2out.c (base_type_die): Compare char_type_node with
2140         TYPE_MAIN_VARIANT (type), not type.
2141
2142 2005-09-01  Richard Guenther  <rguenther@suse.de>
2143
2144         PR tree-optimization/15366
2145         * common.opt: Add -finline-functions-called-once.
2146         Put -fearly-inlining in alphabetically ordered place.
2147         * doc/invoke.texi: Document new option.
2148         * ipa-inline.c (cgraph_decide_inlining): Honour
2149         flag_inline_functions_called_once.
2150
2151 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2152
2153         PR rtl-optimization/23478
2154         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2155         (alloc_qty): Initialize it.
2156         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2157         (combine_regs): Combine also n_throwing_calls_crossed fields.
2158         (find_free_reg): Don't attempt to caller-save pseudos crossing
2159         calls that might throw.
2160         * global.c (struct allocno): Add throwing_calls_crossed field.
2161         (global_alloc): Revert 2005-08-22 change.  Initialize
2162         throwing_calls_crossed.
2163         (find_reg): Don't attempt to caller-save pseudos crossing calls that
2164         might throw.
2165
2166 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
2167
2168         PR target/23649
2169         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2170         (mask64_operand): Reinstate code prior to 2005-06-11 change.
2171         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2172         (and64_2_operand): Tweak to use predicate.
2173         (and_operand): Adjust for mask_operand changes.
2174         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2175         (print_operand): Likewise.
2176         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2177         (mask64_1or2_operand): Delete.
2178         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2179         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2180         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2181         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2182         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2183         (rotldi3_internal4): Likewise.
2184         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2185         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2186         (ashldi3_internal7): Likewise.
2187         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2188         (ashldi3_internal, ashldi3_internal9 split): Likewise.
2189         (anddi3 split): Don't match mask64_operand.
2190         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
2191         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
2192         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
2193         't' splitter predicate.
2194         (movdi_internal64 + 2): Revert 2005-06-11 change.
2195
2196 2005-08-31  DJ Delorie  <dj@redhat.com>
2197
2198         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2199         (m32c_asm_integer): Add support for 32 bit pointers.
2200
2201 2005-08-31  Richard Henderson  <rth@redhat.com>
2202
2203         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2204         component-like references for setting MEM_NOTRAP_P.
2205
2206         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2207         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2208
2209 2005-08-31  Richard Henderson  <rth@redhat.com>
2210
2211         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2212         into a pseudo before applying gen_lowpart.
2213
2214 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
2215
2216         * doc/install.texi (Specific): Update cctools version required
2217         for full functionality.
2218         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2219         linkers as -macosx_version_min.
2220
2221 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
2222
2223         PR target/21255
2224         * sh.c (print_operand, %R and %S): Add handling of floating point
2225         registers, memory, constants and invalid operands.
2226
2227 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
2228
2229         * ipa-pure-const.c: Change dump name.
2230
2231 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2232
2233         PR target/23570
2234         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2235         to "reg_or_0_operand".
2236         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2237
2238 2005-08-31  Dale Johannesen  <dalej@apple.com>
2239
2240         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
2241         loops that count down.
2242
2243 2005-08-31  Richard Henderson  <rth@redhat.com>
2244
2245         PR rtl-opt/23601
2246         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2247         (fixup_eh_region_note): New.
2248         (reload_as_needed): Call it.
2249         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2250         don't call find_many_sub_basic_blocks; call verify_flow_info.
2251         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2252         (keep_stack_depressed): Likewise.
2253         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2254
2255 2005-08-31  Richard Henderson  <rth@redhat.com>
2256
2257         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2258         fp return matching.
2259
2260 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
2261
2262         * expr.c (expand_expr_real_1): Compare size of address
2263         mode to target's address mode size in deciding expansion of
2264         the constant address.
2265
2266 2005-08-31  Richard Guenther  <rguenther@suse.de>
2267
2268         PR middle-end/23477
2269         * expr.c (all_zeros_p): New function.
2270         (expand_expr_real_1): Handle the case of an all-zero
2271         non-addressable constructor separately.
2272
2273 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
2274
2275         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2276         arguments, adjust all callers.
2277         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2278
2279 2005-08-30  Richard Henderson  <rth@redhat.com>
2280
2281         PR target/23630
2282         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2283         whenever the mode sizes match.
2284
2285 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
2286
2287         * calls.c (load_register_parameters): Fix comment typo.
2288         * expr.c (emit_push_insn): Comment formatting.
2289
2290 2005-08-30  Ian Lance Taylor  <ian@airs.com>
2291
2292         * config/i386/x-cygwin (host-cygwin): Change dependency from
2293         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2294
2295 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
2296
2297         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2298         parts of 'vals'.
2299
2300 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
2301
2302         PR middle-end/23408
2303         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2304         call to ggc_collect.
2305
2306 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
2307
2308         PR bootstrap/21268
2309         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2310         beginning.  Remove $(INCLUDES) from all the rules, if following
2311         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2312
2313 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
2314
2315         PR middle-end/23484
2316         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2317         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2318         not constant, but maxlen is, don't set len to maxlen, rather
2319         set maxlen to len if len is a constant.
2320
2321 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
2322
2323         PR tree-optimization/23475
2324         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2325         and counts.
2326
2327 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
2328
2329         Fix PR middle-end/22455
2330
2331         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2332         Checksum only the parts of the tree that exist for the tree code.
2333
2334 2005-08-28  Dale Johannesen  <dalej@apple.com>
2335
2336         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
2337
2338 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
2339
2340         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2341
2342 2005-08-28  Richard Henderson  <rth@redhat.com>
2343
2344         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2345         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2346         of char_type_node.
2347
2348 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
2349
2350         PR ada/23593
2351         * builtins.c (get_memory_rtx): Don't strip nops
2352         in between COMPONENT_REFs.
2353
2354 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
2355
2356         PR middle-end/23463
2357         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2358         types.
2359         (gimplify_modify_expr): Check for zero sized types and gimplify the
2360         rhs and lhs as statements.
2361
2362 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
2363
2364         PR libgcj/23508
2365         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2366         state for return address column of signal frames.
2367
2368 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
2369
2370         PR target/23539
2371         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2372         bytes >= 2 not bytes == 2.
2373         (expand_block_move): Same.
2374
2375 2005-08-27  Richard Guenther  <rguenther@suse.de>
2376
2377         PR target/23575
2378         * config/i386/sse.md (sse2_movsd): Add missing closing
2379         braces.
2380
2381 2005-08-27  Paul Brook  <paul@codesourcery.com>
2382
2383         * genrecog.c (enum decision_type): Add DT_num_insns.
2384         (struct decision_test): Add u.num_insns.
2385         (add_to_sequence): Add DT_num_insns test.
2386         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2387         (write_cond, debug_decision_2): Ditto.
2388         (change_state): Assume peep2_next_insn never fails.
2389         Remove "afterward" argument.
2390         (write afterward, write_tree): Update to match.
2391         * recog.c (peep2_current_count): New variable.
2392         (peep2_next_insn): Check it.
2393         (peephole2_optimize): Set peep2_current_count.
2394         * recog.h (peep2_current_count): Declare.
2395
2396 2005-08-26  Josh Conner  <jconner@apple.com>
2397
2398         PR middle-end/23584
2399         * ipa-pure-const.c (check_tree): Check for volatile-ness
2400         when considering a dereference.
2401
2402 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
2403
2404         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2405
2406 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2407
2408         PR rtl-optimization/23561
2409         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
2410         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2411         at most LEN bytes long memory fits into the field.
2412         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2413         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2414         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2415
2416 2005-08-26  Richard Henderson  <rth@redhat.com>
2417
2418         PR rtl-opt/23560
2419         * loop.c (biased_biv_may_wrap_p): New.
2420         (maybe_eliminate_biv_1): Use it to suppress non-equality
2421         comparison transformations.  Delete disabled code.
2422
2423 2005-08-26  Ian Lance Taylor  <ian@airs.com>
2424
2425         * combine.c (make_extraction): Avoid reference outside object.
2426
2427 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
2428
2429         * stor-layout.c (finalize_type_size): Restore behaviour for
2430         non-aggregate types to the status quo ante of the patch for
2431         pr 23467.  Document why it matters.
2432
2433 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2434
2435         PR c/23506
2436         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2437         array by one element, initialize the BT_LAST element with NULL.
2438
2439 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
2440
2441         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2442         optimizing for size.
2443         (plus_eqsi): Same.
2444         (compare_plus_eqsi): Same.
2445         (plus_eqsi_compare): Same.
2446         (neg_eq0<mode>): Same.
2447         (neg_eq<mode>): Same.
2448
2449         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2450         PROCESSOR_POWER4.
2451
2452 2005-08-26  Nick Clifton  <nickc@redhat.com>
2453
2454         * config/v850/v850.c (ep_memory_operand): Return FALSE if
2455         TARGET_EP is not defined.
2456         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2457         TARGET_EP is enabled.
2458         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2459         * config/v850/v850.md (save_all_interrupt): Only use the EP
2460         register if TARGET_EP is defined.
2461         (restore_all_interrupt): Likewise.
2462         * config/v850/lib1funcs.asm: Update functions so that the EP
2463         register is only used if __EP__ is defined.
2464
2465 2005-08-26  David Ung  <davidu@mips.com>
2466
2467         * config/mips/mips.c (mips_expand_prologue): Handle case when
2468         generating for MIPS16 and the outgoing argument area is more than
2469         SMALL_OPERAND. Use the frame pointer as temporary to generate the
2470         add instruction.
2471
2472 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
2473
2474         * config/crx/crx.md: Make doloop_end pattern usage controllable
2475         via mloop-nesting=<max-nesting> command line switch. Make sure
2476         the combiner cannot use doloop_end_<mode> in an illegal way.
2477         * config/crx/crx.c: Use regs up to r6 for argument passing.
2478         Refine crx_address_cost (non cst4 displacements are expensive).
2479         * config/crx/crx.opt: Add switch for mloop-nesting=.
2480
2481 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
2482
2483         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2484         (UNSPEC_MVST): New constant.
2485
2486 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
2487
2488         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2489         Reject operands containing eliminable registers.
2490         * testsuite/gcc.dg/20050825-1.c: New testcase.
2491
2492 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2493             Jan Hubicka  <jh@suse.cz>
2494
2495         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2496
2497 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2498
2499         PR tree-optimization/23546
2500         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2501         and REAL_CST nodes.
2502
2503 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
2504
2505         * params.def (PARAM_MIN_SPEC_PROB): New.
2506         * sched-rgn.c (MIN_PROBABILITY): Delete.
2507         (compute_trg_info): Convert to PARAM_VALUE.
2508         * doc/invoke.texi (param): Document min-spec-prob.
2509
2510 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
2511
2512         * config/darwin.h: define __PIC__
2513         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2514         TARGET_OS_CPP_BUILTINS macro.
2515
2516 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2517
2518         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2519         yesterday.
2520
2521 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2522
2523         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2524         to duplicate_block.
2525         * cfghooks.c (duplicate_block): Added position where to place
2526         new block as argument.
2527         * cfghooks.h (duplicate_block): Declaration changed.
2528         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
2529         duplicate_block.
2530         * cfglayout.h (copy_bbs): Declaration changed.
2531         * cfgloop.h (loop_version): Declaration changed.
2532         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2533         position to copy_bbs.
2534         (loop_version): Pass position to duplicate_loop_to_header_edge.
2535         Add place_after argument and position new blocks according to
2536         it.
2537         * modulo-sched.c (sms_schedule): Pass place_after argument
2538         to loop_version.
2539         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2540         * tree-cfg.c (split_edge_bb_loc): New function.
2541         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2542         to determine position of new blocks.
2543         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2544         to loop_version.
2545         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2546         argument to duplicate_block.
2547         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2548         Pass position to copy_bbs.
2549
2550 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2551
2552         * fold-const.c (ptr_difference_const): Use
2553         cst_and_fits_in_hwi instead of host_integerp.
2554
2555 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2556
2557         * config/darwin.c (gen_pic_offset): New.
2558         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
2559         Use it.
2560
2561 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
2562
2563         PR tree-optimization/23486
2564         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2565
2566 2005-08-23  Phil Edwards  <phil@codesourcery.com>
2567
2568         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
2569         remove use_collect2.
2570         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
2571
2572         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
2573         configuration files to override the default value.
2574
2575         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
2576         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2577         * config/vx-common.h:  New file, split out from...
2578         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
2579         * config/vxworksae.h:  New file, for VxWorks AE.
2580         * config/vxworks.opt:  New file.
2581         * config/vxlib.c:  Update for VxWorks 6.
2582
2583         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
2584         other MULTILIB_* variables appropriately.
2585         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
2586         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
2587         * config/rs6000/vxworks.h:  Update for VxWorks 6.
2588         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
2589
2590 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
2591
2592         PR target/20799
2593         * config/darwin.c (machopic_select_section): Remove the hack to
2594         mark "::operator new" and "::operator delete" for coalescing
2595         even though they are not weak.
2596
2597 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
2598
2599         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2600         * configure: Regenerate.
2601
2602 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2603
2604         PR middle-end/23517
2605         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2606         between vectors.
2607         * convert.c (convert_to_integer, convert_to_vector): Likewise.
2608         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2609         Likewise.
2610
2611 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2612
2613         * config/rs6000/predicates.md (equality_operator): New.
2614         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2615         comparison with a large constant.
2616
2617 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
2618
2619         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2620
2621 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
2622
2623         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2624         registers is even, and we have a hardware double precision fp,
2625         align the buffer.
2626         (sh_gimplify_va_arg_expr): For floating point arguments, consider
2627         size of current argument when checking if argument was passed in
2628         registers.
2629
2630         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2631
2632         PR middle-end/23467
2633         * stor-layout.c (finalize_type_size): Dont override
2634         existing alignment with a smaller alignment from the mode.
2635
2636 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2637
2638         * lambda-code.c (lambda_vector_lexico_pos): Moved...
2639         * lambda.h (lambda_vector_lexico_pos): ... here.
2640         * tree-data-ref.c (build_classic_dist_vector): Return false when
2641         the distance vector is lexicographically negative.
2642
2643 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2644
2645         PR tree-optimization/23511
2646         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2647         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2648
2649 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
2650
2651         PR tree-optimization/22043
2652         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2653         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2654         If ALLOW_FLEXARR, handle types ending with flexible array member.
2655         Pass false as second argument to recursive count_type_elements calls.
2656         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2657         argument to count_type_elements call.
2658         * tree-sra.c (decide_block_copy): Likewise.
2659         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2660         for a constant-sized object, set cleared as well.  Pass true as
2661         second argument to count_type_elements call.
2662
2663 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2664
2665         PR target/21571
2666         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2667         from legitimate_small_data_p, and make global.  Update use.
2668         Remove forward declaration.
2669         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2670         Declare.
2671         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2672
2673 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
2674
2675         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2676         of scratch intermediates.
2677         (eq<mode>_compare): Same.
2678         (neg_eq0<mode>): New.
2679         (neg_eq<mode>): Convert to define_insn_and_split.
2680
2681 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2682
2683         PR target/23070
2684         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2685         stdarg functions, set/clear the fp marker even when no variable
2686         args are passed.
2687         * config/rs6000/sysv4.opt (mprototype): Describe.
2688
2689 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
2690
2691         PR rtl-optimization/23478
2692         * regs.h (reg_info): Add throw_calls_crossed.
2693         (REG_N_THROWING_CALLS_CROSSED): Define.
2694         * flow.c (allocate_reg_life_data): Initialize
2695         REG_N_THROWING_CALLS_CROSSED.
2696         (propagate_one_insn, attempt_auto_inc): Update
2697         REG_N_THROWING_CALLS_CROSSED.
2698         * global.c (global_alloc): Don't allocate pseudos across
2699         calls that may throw.
2700
2701 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2702
2703         PR c/18715
2704         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2705         value is inbetween the range if we did not find an exact match.
2706
2707 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
2708
2709         * doc/invoke.texi (Option Summary): Add ms1 options.
2710         * doc/extend.texi: Document interrupt handler attribute for ms1.
2711         * doc/md.texi: Document ms1 constraints.
2712         * config.gcc: Add ms1-*-elf.
2713         * config/ms1/ms1.h: New.
2714         * config/ms1/ms1.c: New.
2715         * config/ms1/ms1.md: New.
2716         * config/ms1/ms1-protos.h: New.
2717         * config/ms1/ABI.txt: New.
2718         * config/ms1/crti.asm: New.
2719         * config/ms1/crtn.asm: New.
2720         * config/ms1/lib2extra-funcs.c: New.
2721         * config/ms1/t-ms1: New.
2722         * config/ms1/ms1.opt: New.
2723
2724 2005-08-22 Ira Rosen <irar@il.ibm.com>
2725
2726         * config/rs6000/altivec.md (xorv4sf3): New.
2727         (negv4sf2, neg<mode>2): Likewise.
2728
2729 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
2730
2731         PR target/23485
2732         * config/ia64/ia64.md (divsi3): Check divide by zero.
2733         (udivsi3): Likewise.
2734         (divdi3): Likewise.
2735         (udivdi3): Likewise.
2736
2737 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
2738
2739         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2740         up to elem_bitsize bits, not max_bitsize.
2741
2742 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2743
2744         PR tree-optimization/23433
2745         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2746         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2747
2748 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
2749
2750         PR tree-optimization/23434
2751         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2752         the iteration bound is not an INTEGER_CST.
2753
2754 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
2755
2756         * tree-vect-transform.c (get_initial_def_for_reduction): Set
2757         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2758         NULL if need_epilog_adjust is false.
2759         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2760         Case 3 always peels first itration, not just for PLUS case, and no need
2761         to use scalar_initial_def here. Create an epilog adjustment only if
2762         scalar_initial_def is not NULL.
2763
2764         (vectorizable_reduction): Remove assert.
2765
2766 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2767
2768         PR target/23485
2769         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2770         (__moddi3): Likewise.
2771         (__udivdi3): Likewise.
2772         (__umoddi3): Likewise.
2773         (__divsi3): Likewise.
2774         (__modsi3): Likewise.
2775         (__udivsi3): Likewise.
2776         (__umodsi3): Likewise.
2777
2778 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
2779
2780         * tree-pass.h (TDF_GRAPH): Define.
2781         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2782         * passes.c (finish_optimization_passes): Only call
2783         finish_graph_dump_file if TDF_GRAPH is set.
2784         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2785         NULL.  Set TDF_GRAPH bit.
2786         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2787
2788 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
2789
2790         * arm.h (arm_stack_offsets): Add locals_base field.
2791         * arm.c (arm_get_frame_offsets): Compute it.
2792         (thumb_compute_initial_elimination offset): Make the Thumb frame
2793         pointer point to the base of the local variables.
2794         (thumb_expand_prologue): Update accordingly.
2795         (thumb_expand_epilogue): Likewise.
2796
2797         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
2798         mode of clobbered scratch to DImode.  Handle a case that's known to
2799         need this.
2800
2801 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
2802
2803         * config/rs6000/rs6000.md (gt0<mode>): Delete.
2804         (gt0<mode>_compare): Delete.
2805         (neg_gt0<mode>): Delete.
2806
2807 2005-08-19  Eric Christopher  <echristo@apple.com>
2808
2809         * optabs.h: Change CTI_ to COI_.
2810         * optabs.c: Ditto.
2811
2812 2005-08-19  James E Wilson  <wilson@specifix.com>
2813
2814         * builtins.c (expand_builtin_return_addr): Set
2815         current_function_accesses_prior_frames when count != 0.  Use
2816         frame_pointer_rtx when count == 0.
2817         * function.h (struct function): Add accesses_prior_frames field.
2818         (current_function_accesses_prior_frames): Define.
2819         * reload1.c (init_elim_table): Check
2820         current_function_accesses_prior_frames.
2821         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2822
2823 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2824
2825         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2826         indicator.  Return true if the flowgraph changed during
2827         cleanup.
2828
2829 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2830
2831         PR 23476
2832         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2833         conditional expression before testing its value.
2834
2835 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
2836
2837         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2838
2839 2005-08-19  Devang Patel  <dpatel@apple.com>
2840
2841         PR tree-optimization/23048
2842         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2843         third parameter. Check whether latch is dominated by exit
2844         block or not.
2845         (if_convertible_loop_p): Supply exit block itself to
2846         if_convertible_bb_p.
2847
2848 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
2849
2850         PR target/23473
2851         * arm.md (arm_load_pic_register): Change argument to the mask of
2852         saved registers.  Call thumb_find_work_register if we need a
2853         scratch register on Thumb.
2854         (arm_expand_prologue): Pass empty register set to
2855         arm_load_pic_register.
2856         (thumb_expand_prologue): Pass live_regs_mask directly to
2857         arm_load_pic_register.
2858         * arm-protos.h (arm_load_pic_register): Update prototype.
2859
2860 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
2861
2862         * sh.c (find_sole_member): New function.
2863         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2864         if the record's alignment is larger than the size of its only member.
2865
2866 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
2867
2868         PR target/23436
2869         * arm.c (thumb_legitimize_reload_address): New function.
2870         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2871         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2872
2873 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
2874
2875         * config/crx/crx.c: Implement crx_decompose_address. Reject
2876         symbolic displacements since CRX register relative adressing
2877         mode can't handle unsigned 32-bit values as displacements.
2878         * config/crx/crx.h: Simplify definitions, remove redundant
2879         parenthesis and obsolete macros.
2880         * config/crx/crx.opt: Add new switch for debugging addresses.
2881         * config/crx/crx-protos.h: Add new declarations for above.
2882
2883 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
2884
2885         PR middle-end/20624
2886         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2887         looking past it.
2888
2889 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2890
2891         * collect2.c (dup2): Delete.
2892         * configure.ac: Don't check for dup2.
2893
2894         * config.in, configure: Regenerate.
2895
2896 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
2897
2898         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2899         record with the type of its only member.
2900
2901 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
2902
2903         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2904         define_insn_and_split.
2905         (plus_ltu<mode>_compare): Same.
2906         (gtu<mode>_compare): Same.
2907         (plus_gtu<mode>_compare): Same.
2908
2909 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
2910
2911         PR tree-optimization/22228
2912         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2913         todo_flags_start.
2914         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2915         are recorded in vect_vnames_to_rename for renaming.
2916         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2917         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2918         in vect_vnames_to_rename.
2919         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2920         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2921
2922 2005-08-18  Jan Hubicka  <jh@suse.cz>
2923
2924         PR c++/22034
2925         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2926         info only for local statics, not for member variables.
2927
2928 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2929
2930         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2931
2932 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2933
2934         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2935
2936 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
2937
2938         PR middle-end/16045
2939         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2940
2941 2005-08-17  James E Wilson  <wilson@specifix.com>
2942
2943         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2944         array size check.
2945
2946 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
2947
2948         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2949         (leu<mode>_compare): Same.
2950         (plus_leu<mode>): Same.
2951         (neg_leu<mode>): Same.
2952         (and_neg_leu<mode): Same.
2953         (ltu<mode>_compare): Same.
2954         (plus_ltu<mode>): Same.
2955         (geu<mode>): Same.
2956         (geu<mode>_compare): Same.
2957         (plus_geu<mode>): Same.
2958         (neg_geu<mode>): Same.
2959         (and_neg_geu<mode>): Same.
2960         (plus_gt<mode>): Same.
2961         (gtu<mode>_compare): Same.
2962         (plus_gtu<mode>): Same.
2963
2964 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
2965
2966         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2967         Move call_table_data to end.  Delete spurious .text.
2968         (callt_save_all_interrupt): Fix comment typo.
2969
2970 2005-08-17  James E Wilson  <wilson@specifix.com>
2971             Kevin Winchester  <winchester@amirix.com>
2972
2973         PR target/21684
2974         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2975
2976 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
2977
2978         PR target/23268
2979         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2980         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2981
2982 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
2983
2984         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2985         record with the type of its only member if the modes don't match.
2986
2987         * varasm.c (decode_reg_name): Skip empty additional register names.
2988
2989 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
2990
2991         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2992         lsm_tmp_name_length): New.
2993         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2994         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2995
2996 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2997             Andreas Krebbel  <krebbel1@de.ibm.com>
2998
2999         * config.gcc: Added z9-109 switch.
3000         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3001         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3002         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3003         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3004         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3005         for "z9_109" cpu attribute.
3006         * config/s390/s390.c (z9_109_cost): New processor cost structure.
3007         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3008         (s390_handle_arch_option): Added z9-109 switch.
3009         (override_options): Set respective cost function for z9-109.
3010         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3011         (legitimate_reload_constant_p): Accept extended immediates.
3012         (print_operand): Three new output modifiers added: k, m and o.
3013         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3014         (s390_output_mi_thunk): Use extended immediate when possible.
3015         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3016         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3017         (CONSTRAINT_LEN): Added length of O constraint.
3018         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3019         * config/s390/s390.md ("cpu"): New value z9_109 added.
3020         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3021         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3022         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3023         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3024         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3025         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3026         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3027         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3028         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3029         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3030         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3031         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3032         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3033         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3034         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3035         immediates.
3036         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3037         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3038         insns for TARGET_EXTIMM.
3039
3040 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3041
3042         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3043
3044 2005-08-17  Nick Clifton  <nickc@redhat.com>
3045
3046         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3047         Call default_encode_section_info.
3048
3049 2005-08-17  Steven Bosscher  <stevenb@suse.de>
3050
3051         PR tree-optimization/21574
3052         * tree-ssa-ccp.c (likely_value): If the right hand side is a
3053         constant, return CONSTANT.
3054         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3055         (ccp_fold, visit_assignment): Likewise.
3056         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3057
3058 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3059
3060         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3061         fold_buildN instead of buildN then fold_initializer or fold.
3062         (build_unary_op): Likewise.
3063         (build_binary_op): Likewise.
3064         * fold-const.c (fold_initializer): Remove.
3065         (fold_build1_initializer): New function.
3066         (fold_build2_initializer): New function.
3067         (fold_build3_initializer): New function.
3068         * tree.h (fold_initializer): Remove.
3069         (fold_build1_initializer): New function.
3070         (fold_build2_initializer): New function.
3071         (fold_build3_initializer): New function.
3072
3073 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3074
3075         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3076         (try_move_mult_to_index): Call fold_build2 instead of build2.
3077         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3078         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3079         fold_binary_to_constant.
3080         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3081         fold (build.
3082         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3083         check if A == gcd (A, B).  Remove TYPE argument.
3084         (analyze_offset) Use fold_build2 instead of fold (build.
3085         (create_data_ref): Likewise.
3086         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3087         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3088         then fold.
3089
3090 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
3091
3092         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3093         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3094
3095 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
3096
3097         PR tree-opt/23402
3098         * gimplify.c (zero_sized_type): New function.
3099         (gimplify_modify_expr_rhs): If we have a zero sized type,
3100         replace the statement with an empty statement.
3101
3102 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
3103
3104         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3105         fxsave.
3106
3107 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3108
3109         * doc/tm.texi (Label Output): Correct typo.
3110
3111 2005-08-16  Steven Bosscher  <stevenb@suse.de>
3112
3113         PR target/23376
3114         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3115         force_operand will work later on using have_insn_for.
3116
3117 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3118
3119         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3120
3121 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3122
3123         PR c++/23337
3124         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3125         vector type, don't try to construct it element by element.  Add an
3126         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3127
3128 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3129
3130         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3131
3132 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
3133
3134         * doc/invoke.texi (Precompiled Headers): Document some more options
3135         which are known to be safe.
3136
3137 2005-08-16  James E Wilson  <wilson@specifix.com>
3138
3139         PR tree-optimization/21105
3140         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3141         TREE_OVERFLOW check.
3142
3143 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
3144
3145         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3146         (neg_ltu<mode>): Same.
3147         (gtu<mode>): Same.
3148         (neg_gtu<mode>): Same.
3149
3150 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3151
3152         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3153         (fold_builtin_isdigit): Use fold_buildN.
3154         (build_function_call_expr): Likewise.
3155         * c-typeck.c (c_finish_loop): Likewise.
3156
3157 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
3158             Richard Shann <rshann@superh.com>
3159
3160         PR middle-end/20396:
3161         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3162
3163 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
3164
3165         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3166
3167 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
3168
3169         PR target/23355
3170         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3171         arm_compure_save_reg0_reg12_mask to determine when the PIC register
3172         must be saved.
3173
3174 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3175
3176         PR middle-end/23369
3177         * fold-const.c (build_range_check): Disable optimization for function
3178         pointer expressions on targets that require function pointer
3179         canonicalization.
3180
3181 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
3182
3183         * simplify-rtx.c (simplify_const_relational_operation): When
3184         extracting arguments of a COMPARE, recompute the mode as well.
3185
3186 2005-08-15  Ian Lance Taylor  <ian@airs.com>
3187
3188         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3189
3190 2005-08-15  DJ Delorie  <dj@redhat.com>
3191
3192         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3193         the stack.
3194         (movsi_splittable): Allow, but split, moves to the stack.
3195         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3196         stack.
3197
3198 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3199
3200         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3201         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3202         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3203
3204         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3205         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3206         Delete HOST_PTR_PRINTF.
3207
3208         * configure, config.in: Regenerate.
3209
3210 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
3211
3212         * config/rs6000/rs6000.md (QHSI): New mode macro.
3213         (wd): Extend mode attr for QImode and HImode
3214         (dbits): New mode attr.
3215         (zero_extend<mode>di2): Convert to mode macro.
3216
3217 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
3218
3219         PR target/21841
3220         * doc/invoke.texi (-mgnu-ld): Update description.
3221         (-mhp-ld): Ditto.
3222
3223 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3224
3225         PR 23391
3226         * Makefile.in (tree-chrec.o): Depends on real.h.
3227         * tree-chrec.c: Include real.h.
3228         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3229         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3230         * tree-scalar-evolution.c (add_to_evolution_1,
3231         interpret_rhs_modify_expr): Ditto.
3232
3233 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3234
3235         PR 23386
3236         * tree-data-ref.c (estimate_niter_from_size_of_data): When
3237         step is negative compute the estimation from init downwards to zero.
3238
3239 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
3240
3241         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3242
3243 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3244
3245         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3246         constraint.
3247         (legitimate_reload_constant_p): Fix handling of lliXX operands.
3248         Accept double-word constants that can be split.
3249         * config/s390/s390.md ("movti"): Use 'P' constraint.
3250         ("*movdi_31", "*movdf_31"): Likewise.
3251
3252 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
3253
3254         Fix PR tree-optimization/22615
3255
3256         * tree-ssa-structalias.c (solution_set_add): Handle
3257         first_vi_for_offset returning NULL.
3258         (do_da_constraint): Ditto.
3259         (do_sd_constraint): Ditto.
3260         (do_ds_constraint): Ditto
3261         (find_func_aliases): Ditto.
3262         (build_constraint_graph): RHS is allowed be ANYTHING.
3263         (first_vi_for_offset): Return NULL if we couldn't find anything at
3264         the offset.
3265
3266 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3267
3268         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3269         over memory as first operand.
3270
3271 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
3272
3273         PR target/23360
3274         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3275         available for setting it.
3276
3277 2005-08-14  Ira Rosen  <irar@il.ibm.com>
3278
3279         PR tree-optimization/23320
3280         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3281         data-refs' types instead of base object nullness. Add check for
3282         pointer type data-refs before first location comparison. Remove
3283         assert.
3284
3285 2005-08-14  Andreas Schwab  <schwab@suse.de>
3286
3287         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3288
3289 2005-08-13  James E Wilson  <wilson@specifix.com>
3290
3291         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3292         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3293         -fstack-protector-all, --param ssp-buffer-size): Document.
3294         (-Wvariadic-macros): Alphabetize.
3295         (-fsched-stalled-insns-dep): Add missing 'f'.
3296
3297         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3298         macros.
3299
3300 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
3301
3302         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3303         or indirect address operand.
3304         (EXTRA_ADDRESS_CONSTRAINT): New.
3305         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3306
3307 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
3308
3309         PR tree-optimization/22236
3310         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3311         successors and predecessors.
3312         * tree-chrec.c (chrec_convert): Before converting, check that
3313         sequences don't wrap.
3314         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3315         (analyze_array): Extern.
3316         (find_data_references_in_loop): Remove call to
3317         compute_estimated_nb_iterations.
3318         * tree-data-ref.h (analyze_array): Declared.
3319         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3320         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3321         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3322         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3323         condition.
3324         * tree-ssa-loop-ivcanon.c: Fix documentation.
3325         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3326         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3327         (infer_loop_bounds_from_undefined): New.
3328         (estimate_numbers_of_iterations_loop): Use
3329         infer_loop_bounds_from_undefined.
3330         (used_in_pointer_arithmetic_p): New.
3331         (scev_probably_wraps_p): Pass an extra parameter.  Call
3332         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
3333         (convert_step): Fix documentation.
3334         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3335         Use initial_condition_in_loop_num and evolution_part_in_loop_num
3336         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
3337         scev_probably_wraps_p.
3338
3339 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
3340
3341         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3342         (s390_register_info): Ignore clobbered_regs information for fixed
3343         registers, and only fixed registers.
3344         (s390_init_frame_layout): Remove redundant call.
3345
3346 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
3347
3348         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3349         description of -Wold-style-casts.
3350
3351 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3352             Jakub Jelinek  <jakub@redhat.com>
3353
3354         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3355         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3356         * config/s390/s390.c (print_operand): New output modifier 'G' added.
3357         (get_thread_pointer): Renamed to s390_get_thread_pointer.
3358         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3359         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3360         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3361         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3362         ("stack_protect_set", "stack_protect_test"): New expanders.
3363         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3364         "stack_protect_testdi"): New insn definitions.
3365
3366 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3367
3368         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3369
3370 2005-08-12  Paul Brook  <paul@codesourcery.com>
3371
3372         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3373
3374 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3375
3376         * config/s390/predicates.md (setmem_operand): New predicate.
3377         (shift_count_operand): Accept ANDs with special constants as
3378         operand.
3379         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3380         with special constants.
3381         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3382         shift_count_operand with setmem_operand.
3383
3384 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3385
3386         * config/s390/s390.c (s390_extract_part, s390_single_part):
3387         Type cast added.
3388         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3389         (s390_output_mi_thunk): Don't use lg on 31 bit.
3390         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3391         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3392
3393 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3394
3395         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3396         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3397         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3398         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3399         with one of the new macros.
3400
3401 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3402
3403         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3404         Don't set save_return_addr_p.
3405         (s390_register_info): Make clobbered_regs not depending on
3406         save_return_addr_p.
3407
3408 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3409
3410         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3411         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3412
3413 2005-08-11  James E. Wilson  <wilson@specifix.com>
3414
3415         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3416
3417 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
3418
3419         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3420         locations gathered by var-tracking in single entry loc_list
3421         over loc_descriptor_from_tree.
3422
3423         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3424         pass it down to loc_descriptor.
3425         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3426         (containing_function_has_frame_base): Move earlier in the file.
3427         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3428         instead of always assuming fbreg can't be used.
3429
3430 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
3431
3432         * config/rs6000/altivec.md: Change constraint "m" to "Z".
3433         * config/rs6000/predicates.md (indexed_or_indirect_operand):
3434         Accept address wrapped in AND for Altivec.
3435         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3436         Strip AND wrapping offset address for Altivec.
3437
3438 2005-08-11  Richard Henderson  <rth@redhat.com>
3439
3440         PR middle-end/23312
3441         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3442         before using TYPE_IS_SIZETYPE.
3443
3444 2005-08-11  Richard Henderson  <rth@redhat.com>
3445
3446         PR target/22225
3447         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3448         insn types not present on ev4.
3449         (alphaev5_insn_pipe): Similarly.
3450
3451 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3452
3453         PR target/23250
3454         * arm.c (arm_override_options): If the user has selected callee-super-
3455         interworking, then enable normal interworking.
3456
3457 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3458
3459         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3460         redefinition.
3461
3462 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
3463
3464         * doc/rtl.texi: Fix two typos.
3465
3466 2005-08-11  Richard Guenther  <rguenther@suse.de>
3467
3468         PR target/23289
3469         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3470         cases where we call to/from functions returning void.
3471
3472 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
3473
3474         PR c++/23225
3475         * tree.c (build_pointer_type_for_mode): Robustify.
3476
3477 2005-08-10  James E Wilson  <wilson@specifix.com>
3478
3479         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3480         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3481
3482         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3483         "cum->".
3484
3485 2005-08-10  Eric Christopher  <echristo@apple.com>
3486
3487         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3488         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3489         V2DFmode.
3490
3491 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
3492
3493         PR target/21887
3494         * config/darwin.c (machopic_indirect_data_reference): Use a new register
3495         for the high part when generating dynamic-no-pic code.
3496
3497 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3498
3499         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3500         (x86_64-*-linux*): Likewise.
3501
3502         * config/i386/crtfastmath.c: New file.
3503         * config/i386/t-crtfm: Likewise.
3504
3505         * config/i386/linux.h (ENDFILE_SPEC): New.
3506         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3507
3508         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3509         crtfastmath.o.
3510
3511 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3512
3513         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3514         (vec_shl, vec_shr): Document new operations.
3515         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3516
3517 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
3518
3519         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3520         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3521         change predicate to indexed_or_indirect_address.
3522
3523 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
3524
3525         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3526         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3527         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3528         and __aeabi_uwrite8.
3529         * config/arm/unaligned-funcs.c: New file.
3530         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3531
3532 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
3533
3534         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3535         Add dump.
3536         * cfglayout.c (pass_insn_locators_initialize): Add dump.
3537         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3538         Add dump.
3539         * except.c (pass_convert_to_eh_region_ranges): Add dump.
3540         * final.c (pass_shorten_branches): Add dump.
3541         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3542         (pass_life): Rename dump.
3543         (rest_of_handle_flow2): Remove initial verify_flow_info.
3544         * function.c (pass_instantiate_virtual_regs): Add dump.
3545         * integrate.c (pass_initial_value_sets): Add dump.
3546         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3547         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3548         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3549         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3550         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3551         gate_rtl_unrool_and_peel_loops): New.
3552         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3553         rtl_doloop): Do not look at flags.
3554         * mode-switching.c (pass_mode_switching): Add dump.
3555         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3556         pass_split_before_regstack): Add dump.
3557         * regmove.c (pass_stack_adjustments): Add dump.
3558         * tree-optimize.c (pass_fixup_cfg): Add dump.
3559
3560 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3561
3562         PR 23309
3563         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3564         deciding which instruction sequence to use.
3565
3566 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
3567
3568         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3569         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3570
3571 2005-08-09  Richard Guenther  <rguenther@suse.de>
3572
3573         * c-common.c (builtin_function_2): Remove.
3574         (def_builtin_1): New function.
3575         (c_common_nodes_and_builtins): Use def_builtin_1 to
3576         build builtin functions.
3577
3578 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
3579
3580         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3581         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3582         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3583         Visual DSP.
3584
3585 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3586
3587         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3588         fold_binary instead of fold_build2 since we don't care about the
3589         resulting tree.
3590         (loop_niter_by_eval): Likewise.
3591         (compare_trees): Likewise.
3592         (proved_non_wrapping_p): Likewise.
3593
3594 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3595
3596         PR c/23161
3597         PR c/23165
3598         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3599         if the if is really empty.
3600
3601 2005-08-09  Steven Bosscher  <stevenb@suse.de>
3602
3603         PR tree-optimization/23234
3604         * tree-ssa-math-opts.c (place_reciprocal): New enum.
3605         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3606         argument of the new enum.
3607         (execute_cse_reciprocals): Add reciprocals for function arguments
3608         on the unique successor edge of the entry block.  Update other calls
3609         to execute_cse_reciprocals_1.
3610
3611 2005-08-08  Richard Henderson  <rth@redhat.com>
3612
3613         PR 22439
3614         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3615
3616 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
3617
3618         * expr.c (write_complex_part): Return after handling MEM.
3619
3620 2005-08-08  Josh Conner  <jconner@apple.com>
3621
3622         PR rtl-optimization/23241
3623         * combine.c (simplify_comparison): Fix error in determining
3624         whether to lift a subreg from comparison.
3625
3626 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
3627
3628         PR target/18506
3629         * config/rs6000/altivec.md (vec_init<mode>): New.
3630         (vec_set<mode>): New.
3631         (vec_extract<mode>): New.
3632         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3633         (rs6000_expand_vector_set): New.
3634         (rs6000_expand_vector_extract): New.
3635         (rs6000_legitimate_offset_address_p): Offset addresses are valid
3636         for Altivec modes before reload.
3637         (altivec_expand_vec_init_builtin): New.
3638         (get_element_number): New.
3639         (altivec_expand_vec_set_builtin): New.
3640         (altivec_expand_vec_ext_builtin): New.
3641         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3642         builtins.
3643         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3644         builtins.
3645         * config/rs6000/rs6000.h (rs6000_builtins): Add
3646         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3647         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3648         * config/rs6000/rs6000-protos.h: Declare new functions.
3649
3650 2005-08-08  Jan Hubicka  <jh@suse.cz>
3651
3652         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3653         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3654         * i386.md (movdi*): Use pic_32bit_operand.
3655         * predicates.md (pic_32bit_operand): New.
3656
3657 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
3658
3659         PR c++/21166
3660         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3661
3662 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
3663
3664         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3665         (test_for_singularity): Use fold_build2.
3666
3667 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3668
3669         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3670
3671 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
3672
3673         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3674         (COMMON_ASM_OP) Define.
3675         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3676         (ix86_encode_section_info): Likewise.
3677         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3678         SUBTARGET_ENCODE_SECTION_INFO.
3679
3680 2005-08-06  Richard Henderson  <rth@redhat.com>
3681
3682         PR 21894
3683         * tree-nested.c (convert_local_reference): Save and restore val_only
3684         around component_ref and friends.  Clear walk_subtrees by default.
3685
3686 2005-08-06  Peter O'Gorman  <peter@pogma.com>
3687
3688         PR 21366
3689         * gcc.c (process_command): Check the argument to -b has a dash.
3690         * doc/invoke.texi: Update -b and -V docs.
3691
3692 2005-08-06  James E Wilson  <wilson@specifix.com>
3693
3694         * config/mips/cross64.h, config/mips/t-cross64: Delete.
3695
3696 2005-08-06  Michael Matz  <matz@suse.de>
3697
3698         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3699         member only if only one insn is associated with the value.
3700
3701 2005-08-06  Nick Clifton  <nickc@redhat.com>
3702
3703         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3704         New define.
3705         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3706         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3707         Check symbol flags instead of symbol name mangling.
3708         (xstormy16_asm_output_aligned_common): Likewise.  Also
3709         simplify code since the bss100_section cass is the only case
3710         where the below100 code will be triggered.
3711         (xstormy16_encode_section_info): Encode below100 attribute
3712         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3713         the name.
3714         (xstormy16_strip_name_encoding): Delete - this function is no
3715         longer needed.
3716         (TARGET_STRIP_NAME_ENCODING): Undefine.
3717         * config/stormy16/stormy16-protos.h: Delete prototype for
3718         xstormy16_strip_name_encoding.
3719
3720 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
3721
3722         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3723         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3724         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3725         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3726         config/alpha/predicates.md, config/arc/arc.h,
3727         config/arm/arm.h, config/arm/ieee754-df.S,
3728         config/arm/ieee754-sf.S, config/bfin/bfin.c,
3729         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3730         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3731         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3732         config/m68hc11/m68hc11.h, config/mips/mips.c,
3733         config/mips/mips.h, config/mips/openbsd.h,
3734         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3735         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3736         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3737         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3738         config/sparc/linux.h, config/sparc/linux64.h,
3739         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3740         doc/extend.texi, doc/gcov.texi, doc/install.texi,
3741         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3742         typos.  Follow spelling conventions.
3743
3744 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
3745
3746         PR c/23113
3747         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3748         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3749         specially.  Check for side effects only for COND_EXPR.
3750         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3751         return with TREE_NO_WARNING.
3752
3753 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
3754
3755         PR rtl-optimization/23233
3756         * loop.c (combine_movables): Require the modes to be the same.
3757         (move_movables): Remove handling of cases where the replacement
3758         had a different mode to the original.
3759
3760 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
3761
3762         PR tree-optimization/23128
3763         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3764         subtraction wrap, and set TREE_OVERFLOW if they do.
3765
3766 2005-08-05  Richard Henderson  <rth@redhat.com>
3767
3768         PR 21728
3769         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3770         FORCED_LABEL labels.
3771
3772 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
3773
3774         PR middle-end/23135
3775         * reload.c (find_reloads_subreg_address): Pass down TYPE
3776         unchanged.  Change all callers except find_reloads_toplev.
3777
3778 2005-08-05  Michael Matz  <matz@suse.de>
3779
3780         * genattrtab.c (current_alternative_string): Remove.
3781         (SIMPLIFY_ALTERNATIVE): Ditto.
3782         (attr_alt_bit_p): Ditto.
3783         (alternative_name): Make const char *.
3784         (evaluate_eq_attr): Remove use of above things.
3785         (simplify_test_exp): Ditto.
3786         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3787         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3788
3789 2005-08-04  James E Wilson  <wilson@specifix.com>
3790
3791         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3792         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3793         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3794         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3795         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3796
3797 2005-08-04  Richard Henderson  <rth@redhat.com>
3798
3799         PR 21529
3800         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3801         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3802         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
3803         if we'd have to instantiate too many members.
3804
3805 2005-08-04  Richard Henderson  <rth@redhat.com>
3806
3807         PR 21291
3808         * tree-outof-ssa.c (coalesce_asm_operands): New.
3809         (coalesce_ssa_name): Use it.  Split out ...
3810         (coalesce_phi_operands, coalesce_result_decls): ... these.
3811
3812 2005-08-04  Paul Brook  <paul@codesourcery.com>
3813
3814         * read-rtl.c (read_quoted_string): Break if EOF.
3815
3816 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
3817
3818         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3819         (fold_build2): Likewise.
3820         (fold_build3): Likewise.
3821         (fold_build1_stat): New function prototype.
3822         (fold_build2_stat): Likewise.
3823         (fold_build3_stat): Likewise.
3824         * fold-const.c (fold_build1): Rename to ..
3825         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3826         through to build1_stat.
3827         (fold_build2): Rename to ..
3828         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3829         through to build2_stat.
3830         (fold_build3): Rename to ..
3831         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
3832         through to build3_stat.
3833
3834 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
3835             Ian Lance Taylor  <ian@airs.com>
3836
3837         * function.c (assign_stack_local_1): Do not correct stack slot
3838         address if allocation size is smaller than mode size.
3839
3840 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
3841
3842         PR 22037
3843         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3844         (tree_merge_blocks): Propagate anything allowed by
3845         may_propagate_copy.
3846         Clarify documentation.
3847         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3848         SSA form, schedule an update if necessary.
3849
3850 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
3851
3852         * doc/install.texi (Binaries): Remove broken link to
3853         Sinix/Reliant Unix binaries.
3854
3855 2005-08-03  Richard Henderson  <rth@redhat.com>
3856
3857         PR 23221
3858         * function.c (stack_protect_epilogue): Export.
3859         * tree.h (stack_protect_epilogue): Declare.
3860         * calls.c (expand_call): Call it.
3861
3862 2005-08-03  Eric Christopher  <echristo@apple.com>
3863
3864         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3865         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3866         spec.
3867
3868 2005-08-04  Jan Hubicka  <jh@suse.cz>
3869
3870         * profile.c (branch_prob): Split edges with goto locus on them
3871         to get proper line counts.
3872         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3873
3874 2005-08-03  Paul Brook  <paul@codesourcery.com>
3875
3876         * function.c (assign_parms): Round current_function_args_size
3877         to PARM_BOUNDARY, not STACK_BOUNDARY.
3878
3879 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
3880
3881         * config/i386/i386.c (x86_elf_aligned_common)
3882         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3883
3884 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
3885
3886         PR tree-optimization/23157
3887         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3888         before emitting them.
3889
3890 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3891
3892         PR tree-optimization/19899
3893         * Makefile.in (tree-scalar-evolution.o): Add real.h.
3894         * tree-scalar-evolution.c: Include real.h.
3895         (add_to_evolution): Build constant -1 of correct type.
3896
3897 2005-08-03  Jan Hubicka  <jh@suse.cz>
3898
3899         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3900         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3901         profile updating for complette unrolling.
3902         * loop-unroll.c (peel_loop_completely): Use it.
3903         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3904         (tree_unroll_loops_completely): Disable code growing unrolling of cold
3905         loops.
3906
3907 2005-08-03  Paul Brook  <paul@codesourcery.com>
3908
3909         * combine.c (can_change_dest_mode): New function.
3910         (try_combine, simplify_set): Use it.
3911
3912 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
3913
3914         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3915         TFmode to BLKmode.
3916
3917 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
3918
3919         * doc/install.texi (Specific): Adjust link to openavr.org.
3920         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3921         (Binaries): Adjust HP-UX Porting Center link.
3922         (Binaries): Adjust Free Software Foundation ordering link.
3923
3924 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
3925
3926         * convert.c (convert_to_integer): Use fold_build1 instead of
3927         build1 when converting an integer to an integer.
3928
3929 2005-08-02  Richard Henderson  <rth@redhat.com>
3930
3931         * combine.c (combine_instructions): Don't use reg_equal/equiv
3932         results if the mode doesn't match.
3933
3934 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
3935
3936         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3937         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3938
3939 2005-08-02  Richard Henderson  <rth@redhat.com>
3940
3941         PR 23196
3942         * explow.c (memory_address): Remove special-case for
3943         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3944
3945 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
3946
3947         PR 23164
3948         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3949         number of calls to cleanup_tree_cfg_1.
3950
3951 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
3952
3953         * doc/invoke.texi: document file extensions .F90 and .F95
3954
3955 2005-08-02  Richard Guenther  <rguenther@suse.de>
3956
3957         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3958         positive if its first argument is positive.
3959
3960 2005-08-02  Richard Guenther  <rguenther@suse.de>
3961
3962         PR tree-optimization/23177
3963         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3964         on TMR_TAG.
3965
3966 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
3967
3968         PR tree-optimization/23129
3969         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3970         varying for divisions with anti-ranges.
3971
3972 2005-08-02  Jan Hubicka  <jh@suse.cz>
3973
3974         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3975         * tree-ssa-threadupdate.c (thread_block): Add it here.
3976
3977 2005-08-01  James E Wilson  <wilson@specifix.com>
3978
3979         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3980         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3981         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3982         New.
3983         * config/mips/predicates.md (const_call_insn_operand): Add check for
3984         SYMBOL_REF_LONG_CALL_P.
3985         * doc/extend.texi (long_call): Document the new attribute.
3986
3987 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3988             Richard Henderson  <rth@redhat.com>
3989
3990         * Makefile.in (RTL_BASE_H): Add real.h.
3991         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3992         instead of memcpy.
3993         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3994         directly.
3995         * rtl.c (rtl_check_failed_code_mode): New.
3996         * rtl.h (struct rtx_def): Add u.rv.
3997         (XCMWINT, XCNMPRV): New.
3998         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3999         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4000
4001 2005-08-01  Richard Henderson  <rth@redhat.com>
4002
4003         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4004         with auto-inc codes.
4005
4006         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4007
4008 2005-08-01  Jan Hubicka  <jh@suse.cz>
4009
4010         * i386-protos.h (asm_preferred_eh_data_format): Declare.
4011         * i386.c: Include dwarf2.h
4012         (asm_preferred_eh_data_format): New.
4013         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4014
4015 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4016
4017         * config/host-linux.c (linux_gt_pch_get_address): Add new name
4018         randomize_va_space for virtual address randomization control.
4019
4020 2005-08-01  Steven Bosscher  <stevenb@suse.de>
4021
4022         * common.opt (flag_ipa_cp): Put in right place to maintain
4023         alphabetic sort.
4024
4025 2005-08-01  Jan Hubicka  <jh@suse.cz>
4026
4027         * profile.c (compute_value_histograms): Fix thinko.
4028         * value-prof.c: Include toplev.h
4029         (check_counter): New function.
4030         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4031         tree_mod_subtract_transform): Add sanity check.
4032
4033 2005-08-01  Richard Guenther  <rguenther@suse.de>
4034
4035         PR tree-optimization/23133
4036         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4037         current functions parameter decls to find defs to cse
4038         reciprocals of.
4039
4040 2005-08-01  Richard Guenther  <rguenther@suse.de>
4041
4042         PR tree-optimization/23109
4043         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4044         If trapping math is in effect, use post-dominator information
4045         to check if we'd in any case reach a trapping point before
4046         doing the reciprocal insertion.
4047         (execute_cse_reciprocals): Compute post-dominators, if necessary.
4048         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4049         expressions are invariant only if trapping math is not in effect.
4050
4051 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4052
4053         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4054         cgraph_function_versioning): New declarations.
4055         * cgraphunit.c: Add include to ipa-prop.h.
4056         (update_call_expr, cgraph_copy_node_for_versioning,
4057         cgraph_function_versioning): New functions.
4058         * integrate.c (copy_decl_for_inlining): Remove.
4059         * ipa-prop.h (ipa_replace_map): New struct.
4060         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4061         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4062         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4063         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4064         ipcp_iterate_stage, ipcp_method_scale_print,
4065         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4066         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4067         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4068         ipcp_update_bb_counts, ipcp_update_profiling,
4069         ipcp_update_edges_counts): New functions.
4070         (ipcp_method_cval_init): Remove restriction regarding local methods.
4071         (ipcp_init_stage): Add ipcp_method_compute_scale.
4072         (ipcp_insert_stage): Add versioning.
4073         (ipcp_structures_print): Add ipcp_method_scale_print.
4074         (ipcp_driver): Dump profiling info.
4075         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4076         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4077         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4078         (struct inline_data): Add versioning_p, ipa_info, new fields.
4079         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4080         declare_return_variable): Replace calls to copy_decl_for_inlining with
4081         copy_decl_for_dup.
4082         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4083         versioning support.
4084         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4085         Add argument VERSIONING.
4086         (copy_arguments_for_versioning, copy_static_chain,
4087         function_versionable_p, tree_versionable_function_p,
4088         tree_function_versioning, replace_ref_tree): New functions.
4089         * tree-inline.h: Include varray.h.
4090         (tree_versionable_function_p,  tree_function_versioning,
4091         tree copy_decl_for_dup): New declarations.
4092
4093 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4094
4095         * ipa-cp.c: New file. Contains IPCP specific functionality.
4096         * ipa-prop.h: New file. Contains structures/definitions that can be
4097         used by several interprocedural data flow optimizations (and also IPCP).
4098         * ipa-prop.c: New file.
4099         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4100         * common.opt: Add ipa-cp flag.
4101         * timevar.def: Add IPCP optimization.
4102         * tree-optimize.c (init_tree_optimization_passes): Schedule
4103         pass_ipa_cp.
4104         * tree-pass.h (pass_ipa_cp): Declare.
4105
4106 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
4107
4108         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4109         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4110         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4111         config/i386/i386.c, config/mips/mips.h,
4112         config/rs6000/rs6000.h, config/sh/sh.c,
4113         config/stormy16/stormy16.c: Fix comment typos.
4114
4115 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
4116
4117         PR c/22311
4118         * c-typeck.c (build_binary_op): Use common_type wrapper on
4119         shortened types.
4120         (common_type): Update comment.
4121
4122 2005-07-31  Steven Bosscher  <stevenb@suse.de>
4123
4124         PR target/23095
4125         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4126         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4127         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4128
4129 2005-07-31  Jan Hubicka  <jh@suse.cz>
4130
4131         * pretty-print.h (pp_widest_integer): New macro.
4132         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4133         counts.
4134
4135 2005-07-31  Jan Hubicka  <jh@suse.cz>
4136
4137         * output.h (enum section_category): Export from varasm.c
4138         (categorize_decl_for_section): Likewise.
4139         * varasm.c (enum section_category): Kill.
4140         (categorize_decl_for_section): Make global.
4141         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4142         Declare.
4143         * i386.c (ix86_section_threshold): New static variable.
4144         (ix86_in_large_data_p, ix86_encode_section_info,
4145         x86_64_elf_unique_section,
4146         x86_64_elf_select_section): New functions.
4147         (TARGET_ENCODE_SECTION_INFO): Define
4148         (override_options): Enable medium model for PIC.
4149         (ix86_expand_prologue): Expand gen_set_got_rex64.
4150         (legitimate_constant_p): Handle new UNSPECs.
4151         (legitimate_pic_address_disp_p): Likewise.
4152         (legitimize_pic_address): Lower MEDIUM model addressing.
4153         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4154         (enum cmodel): Add MEDIUM_PIC.
4155         (SYMBOL_REF_FAR_ADDR_P): New macro.
4156         (SYMBOL_FLAG_FAR_ADDR): New flag.
4157         * i386.md (movdi): Support medium model.
4158         (set_got_rex64): New pattern.
4159         * i386.opt (mlarge-data-threshold): New flag.
4160         * predicates.md (zext_operand/sext_operand): Deal with medium model.
4161         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4162         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4163         TARGET_ASM_UNIQUE_SECTION): New.
4164
4165         * invoke.texi (-mlarge_data_threshold): Document
4166
4167 2005-07-31  Jan Hubicka  <jh@suse.cz>
4168
4169         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4170         (coalesce_vars): Likewise.
4171         * tree-ssa-live.c (coalesce_cost): New.
4172         (build_tree_conflict_graph): Use coalesce_cost.
4173         * tree-ssa-live.h (coalesce_cost): Declare.
4174
4175 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4176
4177         * arm.md (all peepholes for post-increment operations): Delete.
4178         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4179         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4180         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4181         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4182         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4183
4184 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
4185
4186         * fold-const.c (tree_expr_nonnegative_p): Always return true for
4187         non-integral types.
4188
4189 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
4190
4191         PR target/22582
4192         * doc/invoke.texi: Document -rdynamic.
4193
4194 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
4195
4196         PR c/23143
4197         * c-parser.c (c_parser_parms_list_declarator): Call
4198         mark_forward_parm_decls.
4199         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4200         decls with visibility structure.
4201
4202 2005-07-30  Paul Brook  <paul@codesourcery.com>
4203
4204         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4205
4206 2005-07-30  Paul Brook  <paul@codesourcery.com>
4207
4208         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4209         prototype.
4210         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4211         value for mode.
4212         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4213
4214 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4215
4216         PR c/529
4217         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4218         nested function declarators.
4219         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4220         (grokparms): Call warn_if_shadowing for parameters used within the
4221         parameter list.
4222         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4223         not used within the parameter list.
4224         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4225
4226 2005-07-30  Jan Hubicka  <jh@suse.cz>
4227
4228         * expr.c (expand_expr_real_1): Do not load mem targets into register.
4229         * i386.c (ix86_fixup_binary_operands): Likewise.
4230         (ix86_expand_unary_operator): Likewise.
4231         (ix86_expand_fp_absneg_operator): Likewise.
4232         * optabs.c (expand_vec_cond_expr): Validate dest.
4233
4234 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4235
4236         PR c/21720
4237         * real.c (real_from_string): Also set last bit if there is a
4238         nonzero hex digit beyond GCC's internal precision after ".".
4239
4240 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
4241
4242         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4243         define_constants.  Change duplicate values to unassigned numbers.
4244         Change UNSPEC_SUBS to UNSPEC_VSUBS.
4245         (*altivec_vspltsf): New.
4246         (altivec_vperm_v4sf): Delete.
4247         (altivec_vperm_<mode>): Use mode macro V.
4248         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4249         (altivec_predicate_v4sf): Delete.
4250         (altivec_predicate_<mode>): Use mode macro V.
4251         (*altivec_lvesfx): New.
4252         (*altivec_stvesfx): New.
4253         (vec_realign_load_v4sf): Delete.
4254         (vec_realign_load_<mode>): Use mode macro V.
4255         * config/rs6000/rs6000.c (generate_set_vrsave): Use
4256         UNSPECV_SET_VRSAVE.
4257
4258 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
4259
4260         PR bootstrap/23131
4261         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4262         string.
4263         * configure: Regenerated.
4264
4265 2005-07-29  Paul Brook  <paul@codesourcery.com>
4266
4267         * doc/install.texi: Add link to GFortran binaries wiki page.
4268
4269 2005-07-29  David Ung  <davidu@mips.com>
4270
4271         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4272         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4273         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4274         * config/mips/mips.md (cpu): Add 5kf name.
4275         (includes): Includes 5k.md.
4276         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4277         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4278         -march flag.
4279
4280 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4281
4282         PR 22550
4283         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4284         (cleanup_tree_cfg): ... here.
4285         Call cleanup_tree_cfg_1 until there are no more cleanups to
4286         do.
4287
4288 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
4289
4290         * tree-vrp.c (compare_range_with_value): Return true or false
4291         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4292         EQ_EXPR respectively.
4293
4294 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
4295
4296         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4297         Fix comment typos.
4298
4299 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4300
4301         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4302         (tree_ssa_dominator_optimize): Increment it.
4303         (dump_dominator_optimization_stats): Print it.
4304
4305 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
4306             Steven Bosscher  <stevenb@suse.de>
4307
4308         PR rtl-optimization/23117
4309         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4310         when head == tail.  Tidy comment.
4311
4312 2005-07-28  Richard Henderson  <rth@redhat.com>
4313
4314         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4315         * cselib.c (rtx_equal_for_cselib_p): Likewise.
4316         * jump.c (rtx_renumbered_equal_p): Likewise.
4317         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4318         CONST_INT and CONST_DOUBLE.
4319         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4320         * reload.c (operands_match_p): Special case CONST_INT and
4321         CONST_DOUBLE; check mode earlier.
4322
4323 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4324
4325         PR c/22240
4326         * c-typeck.c (convert_for_assignment): Do not check
4327         DECL_IN_SYSTEM_HEADER on NULL fundecl.
4328
4329 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4330
4331         PR c/22192
4332         * c-typeck.c (composite_type): Prefer constant size arrays to
4333         VLAs.
4334
4335 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4336
4337         PR c/21720
4338         * real.c (real_from_string): Set last bit if there is a nonzero
4339         hex digit beyond GCC's internal precision.
4340
4341 2005-07-28  Richard Henderson  <rth@redhat.com>
4342
4343         PR rtl-opt/22619
4344         * cfgcleanup.c (try_forward_edges): Watch out for end of
4345         insn chain.
4346
4347 2005-07-28  James E Wilson  <wilson@specifixinc.com>
4348
4349         PR c/23106
4350         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4351
4352 2005-07-28  Jan Hubicka  <jh@suse.cz>
4353
4354         * Makefile.in (rtl-profile.o): Kill all traces of it.
4355         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4356         * coverage.h (rtl_coverage_counter_ref): Kill.
4357         * opts.c (flag_speculative_prefetching_set): Kill.
4358         (flag_loop_optimize_set): New.
4359         (common_handle_option): Disable loop optimizer when profiling;
4360         do not handle speculative prefetching.
4361         * passes.c (init_optimization_passes): Replace pass_profiling combo
4362         by branch_prob pass.
4363         * profile.c (compute_value_histograms): Update for simplified value
4364         profiles.
4365         (rtl_register_profile_hooks): Kill.
4366         (pass_profiling): Kill.
4367         (rest_of_handle_branch_prob): Do not profile.
4368         * toplev.c (process_options): Remove speculative prefetching.
4369         * toplev.h (flag_tree_based_profiling): Kill.
4370         * tree-profile.c (prepare_instrumented_value,
4371         tree_gen_interval_profiler, tree_gen_pow2_profiler,
4372         tree_gen_one_value_profiler, do_tree_profiling): Update for
4373         simplified datastructures.
4374         * value-prof.c: Add comment that speculative prefetching was dropped;
4375         update rest of file for simplified datastructures.
4376         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4377         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4378         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4379         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4380         rtl_mod_subtract, gen_speculative_prefetch,
4381         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4382         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4383         (gate_handle_value_profile_transformations,
4384         rest_of_handle_value_profile_transformations,
4385         pass_value_profile_transformations): Kill.
4386         * value-prof.h (histogram_value_t): Remove IL based unions.
4387         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4388         rtl_profile_hooks): Remove hooks.
4389
4390         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4391
4392         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4393         (cgraph_clone_node): Likewise.
4394         * cgraph.h (cgraph_clone_edge): Update prototype.
4395         (cgraph_clone_node): Likewise.
4396         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4397         cgraph_clone_node.
4398         (lookup_recursive_calls): Consider profile.
4399         (cgraph_decide_recursive_inlining): Fix updating; use new
4400         probability argument; use profile.
4401         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4402         * tree-inline.c (copy_bb): Update clal of clone_edge.
4403         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4404
4405         * invoke.texi (min-inline-recursive-probability): Document.
4406
4407 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
4408
4409         * doc/install.texi (Configuration): Update Valgrind homepage.
4410
4411 2005-07-28  Richard Henderson  <rth@redhat.com>
4412
4413         PR middle-end/21362
4414         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4415         labels we want to delete.
4416         (cfg_layout_merge_blocks): Likewise.
4417
4418 2005-07-28  Richard Henderson  <rth@redhat.com>
4419
4420         PR target/17692
4421         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4422         when expanding to nothing.
4423
4424 2005-07-28  Josh Conner  <jconner@apple.com>
4425
4426         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4427         (cgraph_decide_inlining_of_small_functions): Likewise.
4428
4429 2005-07-28  Josh Conner  <jconner@apple.com>
4430
4431         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
4432         direction of badness if negative.
4433         (cgraph_default_inline_p): Add reason to parameters, and assign it
4434         a value.
4435         (cgraph_decide_inlining_of_small_functions): New parameter in call
4436         to cgraph_default_inline_p.
4437         (cgraph_decide_inlining_incrementally): Likewise.
4438         * cgraphunit.c (decide_is_function_needed): Likewise.
4439         * cgraph.h (cgraph_default_inline_p): Likewise.
4440
4441 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4442
4443         * builtins.c: Fix comment typo(s).
4444         * genautomata.c: Likewise.
4445         * gimplify.c: Likewise.
4446         * tree-dfa.c: Likewise.
4447         * tree-flow-inline.h: Likewise.
4448         * tree-into-ssa.c: Likewise.
4449         * tree-ssa-alias.c: Likewise.
4450         * tree-ssa-ccp.c: Likewise.
4451         * tree-ssa-copy.c: Likewise.
4452         * tree-ssa-dce.c: Likewise.
4453         * tree-ssa-dom.c: Likewise.
4454         * tree-ssa-operands.c: Likewise.
4455         * tree-tailcall.c: Likewise.
4456         * tree-vectorizer.c: Likewise.
4457         * tree-vrp.c: Likewise.
4458         * tree.c: Likewise.
4459
4460 2005-07-28  Jeff Law  <law@redhat.com>
4461
4462         * tree-vrp.c (test_for_singularity): Extracted from  ...
4463         (simplify_cond_using_ranges): Attempt to simplify a relational
4464         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
4465
4466 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
4467
4468         PR tree-optimization/22506
4469         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4470         phis whose argument is constant.
4471
4472 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
4473
4474         PR rtl-optimization/18992
4475         Back out this patch:
4476           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4477           PR optimization/12142
4478           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4479           uses of the register in the SET_SRC.  Remove unnecessary argument.
4480
4481         Replace it with this:
4482         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4483         if flag_non_call_exceptions is set and the insn may trap, pass
4484         pc_rtx as dest for recursion.
4485         In SET_SRC part of SET case, if dest is already set, pass it down
4486         unchanged.
4487
4488 2005-07-28  Jan Hubicka  <jh@suse.cz>
4489
4490         * cfg.c (update_bb_profile_for_threading): Use RDIV.
4491         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4492         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4493         roundoff errors.
4494         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4495         profile when available.
4496
4497 2005-07-28  Jan Beulich <jbeulich@novell.com>
4498
4499         * config/ia64/ia64.c (ia64_load_pair_ok): New.
4500         (ia64_print_operand): Describe and handle 'X'.
4501         (ia64_register_move_cost): Also handle FP_REGS.
4502         (ia64_preferred_reload_class): Likewise.
4503         (ia64_secondary_reload_class): Likewise.
4504         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4505         it. Also check for ITANIUM_CLASS_FLDP.
4506         * config/ia64/ia64.h (FP_REGNO_P): New.
4507         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4508         (reg_class): Add FP_REGS.
4509         (REG_CLASS_NAMES): Adjust for it.
4510         (REG_CLASS_CONTENTS): Likewise.
4511         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4512         (REG_CLASS_FROM_LETTER): Handle 'x'.
4513         (CLASS_MAX_NREGS): Handle FP_REGS.
4514         (MEMORY_MOVE_COST): Likewise.
4515         * config/ia64/ia64.md (itanium_class): Add fldp.
4516         (type): Handle fldp.
4517         (movti_internal): More allowable operand combinations. Use ldfp8 when
4518         splitting unnecessary. Remove predicable attribute. Adjust
4519         itanium_class attribute.
4520         (smuldi3_highpart): Remove outdated comment.
4521         (mulditi3, umulditi3, rotlti3): New expanders.
4522         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4523         (absti2): Disabled new insn for future reference.
4524         Respective new splitters.
4525         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4526         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4527         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4528
4529 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
4530
4531         PR rtl-optimization/23047
4532         * simplify-rtx.c (simplify_const_relational_operation): Respect
4533         flag_wrapv for comparisons with ABS.
4534
4535 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
4536
4537         PR tree-optimization/22493
4538         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4539         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4540
4541 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
4542
4543         * config/frv/frv.opt (moptimize-membar): New.
4544
4545         * doc/invoke.texi: Document -moptimize-membar and its inverse.
4546
4547         * config/frv/frv.h: Remove machine_function definition.
4548
4549         * config/frv/frv.c (struct frv_io): New.
4550         (struct machine_function): Moved from frv.h.  Add has_membar_p.
4551         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4552         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4553         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4554         (frv_optimize_membar_global, frv_optimize_membar): New functions.
4555         (frv_reorg): Call frv_optimize_membar when appropriate.
4556         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4557         (frv_expand_builtin): Adjust calls accordingly.
4558         (frv_io_address_cookie): New function.
4559         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4560         load or store rather than a special insn.  Add ccnstant address and
4561         io-type operands to the membar.
4562         (frv_ifcvt_modify_tests): Unsign regno.
4563         (frv_ifcvt_modify_tests): Same.
4564
4565         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
4566         UNSPEC_OPTIONAL_MEMBAR constant.
4567         (builtin_read_<mode>): Delete.
4568         (builtin_write_<mode>): Delete.
4569         ("optional_membar_<mode>"): Add operand.
4570
4571         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4572         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4573         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4574         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4575         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4576         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4577         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4578         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4579         * testsuite/gcc.target/frv/all-read-write-1.c: New.
4580
4581 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4582
4583         * df.c (df_uses_record): Handle SCRATCH.
4584
4585 2005-07-28  Steven Bosscher  <stevenb@suse.de>
4586
4587         PR debug/20161
4588         * passes.c (rest_of_decl_compilation): If decl is a type and
4589         we have encountered errors, don't emit debug information.
4590
4591 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
4592
4593         * params.def: Fixed comment.
4594
4595 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
4596
4597         PR target/19885
4598         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4599         (TARGET_ASM_UNALIGNED_HI_OP): Add.
4600         (TARGET_ASM_UNALIGNED_SI_OP): Add.
4601
4602 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4603
4604         PR c++/22003
4605         * varasm.c (assemble_start_function): Don't do anything that may
4606         require a CFG if the current function is a thunk.
4607
4608 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
4609
4610         * doc/install.texi (Prerequisites): Mention that perl is needed
4611         to do export control in libstdc++ targetting Darwin.
4612
4613 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4614
4615         PR rtl-optimization/17808
4616         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4617         (sched_insns_conditions_mutex_p): Split out from...
4618         (add_dependence): ...here.  But don't call it from here.
4619         (add_dependence_list): Check sched_insns_conditions_mutex_p
4620         before calling add_dependence.
4621         (add_dependence_list_and_free): Likewise.
4622         (fixup_sched_groups): Likewise.
4623         (sched_analyze_1): Likewise.
4624         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4625         (sched_analyze): Likewise.
4626         (sched_analyze_insn): Likewise.
4627         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4628         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
4629         dependencies on all COND_EXEC insns to jumps ending basic blocks
4630         when doing intrablock scheduling.
4631         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4632
4633 2005-07-27  Jeff Law  <law@redhat.com>
4634
4635         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4636         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
4637         equivalency sets, correctly handle the case were vr0 has an
4638         equivalency set, but vr1 does not.
4639
4640 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
4641
4642         PR tree-optimization/23073
4643         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4644         vect_print_dump_info before fprintf.
4645
4646 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4647
4648         PR tree-optimize/22348
4649         * tree-ssa-loop-niter.c (number_of_iterations_cond):
4650         Fold the partial computation.
4651
4652 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4653
4654         PR tree-optimization/22325
4655         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4656         Declare.
4657         * tree-scalar-evolution.c (scev_const_prop): Add generic final
4658         value replacement.
4659         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4660         (force_var_cost): ... this function.
4661         (compute_phi_arg_on_exit): Export.
4662
4663 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4664
4665         PR tree-optimization/20773
4666         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4667         edge.
4668
4669 2005-07-27  Richard Guenther  <rguenther@suse.de>
4670
4671         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4672         Avoid pushing again if current struct contains only
4673         fields we decomposed.
4674
4675 2005-07-27  Jan Hubicka  <jh@suse.cz>
4676
4677         PR tree-optimization/22574
4678         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4679         not available.
4680
4681         * tree-tailcall.c (decrease_profile): New function.
4682         (eliminate_tail_call): Use it.
4683
4684         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4685         visibility flags correctly in whole program mode.
4686
4687 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
4688
4689         PR rtl-optimization/22472
4690         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4691
4692 2005-07-26  Steven Bosscher  <stevenb@suse.de>
4693
4694         PR tree-optimization/22504
4695         * tree-complex.c (expand_complex_addition): Use 'code' instead
4696         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4697
4698 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4699
4700         * config.gcc (cpu_type): Add frv case.
4701         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4702         (supported_defaults): Add fr550 case.
4703
4704 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
4705
4706         PR 22591
4707         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4708         whether a pointer of type T * may point to objects of type T *.
4709
4710 2005-07-26  DJ Delorie  <dj@redhat.com>
4711
4712         * configure: Regenerate.
4713
4714 2005-07-26  Dale Johannesen  <dalej@apple.com>
4715
4716         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
4717
4718 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
4719
4720         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4721         Clarify use of "build" in name.
4722
4723 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
4724
4725         * doc/extend.texi (Raw read/write Functions): New section.
4726         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4727         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4728         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4729         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4730         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4731         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4732         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4733         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4734         * config/frv/frv.c: Add bdesc_loads global.
4735         Add bdesc_stores global.
4736         (frv_init_builtins): Add support for __builtin_{read/write}*.
4737         (frv_volatile_memref): New.
4738         (frv_expand_load_builtin): New.
4739         (frv_expand_store_builtin): New.
4740         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4741         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4742         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4743         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4744         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4745         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4746         (builtin_read_<mode>): New.
4747         (builtin_write_<mode>): New.
4748         (builtin_write64): New.
4749         (optional_membar_<mode>): New.
4750
4751 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
4752
4753         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4754         (rather than units) against HOST_BITS_PER_WIDE_INT.
4755
4756 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
4757
4758         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4759         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4760         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4761         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4762         FSF address.
4763
4764         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4765         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4766         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4767         comment typos.
4768         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4769
4770 2005-07-26  Richard Guenther  <rguenther@suse.de>
4771
4772         PR tree-optimization/22486
4773         * fold-const.c (fold_unary): Fold away useless component
4774         references of the form (T *)&T.x, if the address
4775         doesn't change.
4776
4777 2005-07-25  James E Wilson  <wilson@specifixinc.com>
4778
4779         * dwarf2out.c (add_call_src_coords_attributes): New.
4780         (gen_inlined_subroutine_die): Call it.
4781         (maybe_emit_file, init_file_table): Add comments.
4782         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4783         maybe_emit_file.
4784         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4785         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4786         * tree.h (BLOCK_SOURCE_LOCATION): New.
4787         (struct tree_block): New field locus.
4788
4789 2005-07-26  Andreas Schwab  <schwab@suse.de>
4790
4791         PR rtl-optimization/23043
4792         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4793         when allocating a struct unoccr.
4794
4795 2005-07-25  Richard Henderson  <rth@redhat.com>
4796
4797         PR 22626
4798         * tree-complex.c (gate_no_optimization): True if errors.
4799         * Makefile.in (tree-complex.o): Update dependencies.
4800
4801 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
4802
4803         * config/frv/predicates.md (integer_register_operand): Use
4804         GPR_AP_OR_PSEUDO_P.
4805
4806 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4807
4808         PR tree-opt/22484
4809         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4810         after fold.
4811         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4812
4813 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
4814
4815         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4816         types when flag_unsafe_math_optimizations is true.
4817
4818 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
4819
4820         * gcc.c (option_map): Add --sysroot.
4821         (process_command): Handle --sysroot.
4822         (display_help): Document it.
4823         * doc/cppopts.tex (-isysroot): Document.
4824         * doc/invoke.texi (--sysroot): Document.
4825         * doc/install.texi (--with-build-sysroot): Document.
4826
4827         * Makefile.in (inhibit_libc): New variable.
4828         (INHIBIT_LIBC_CFLAGS): Likewise.
4829         (LIBGCC2_CFLAGS): Include
4830         $(INHIBIT_LIBC_CFLAGS).
4831         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4832         ($(T)crtbegin.o): Do not use @inhibit_libc@.
4833         ($(T)crtend.o): Likewise.
4834         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4835         ($(T)crtendS.o): Likewise.
4836         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4837         ($(T)crtendT.o): Likewise.
4838         (stmp-fixinc): Do not complain about missing headers if
4839         inhibit_libc.
4840         * configure.ac (inhibit_libc): Set it to true/false.
4841         (--with-build-sysroot): New option.  Use it to set
4842         SYSTEM_HEADER_DIR.
4843         * configure: Regenerated.
4844
4845 2005-07-25  Manfred Hollstein  <mh@suse.com>
4846
4847         * calls.c (store_one_arg): Fix unsigned comparison warning.
4848
4849 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
4850
4851         PR other/22337
4852         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4853         (ggc_print_statistics): Initialize variable before use.
4854
4855 2005-07-25  Richard Guenther  <rguenther@suse.de>
4856
4857         * tree-dfa.c (mark_new_vars_to_rename): Protect against
4858         calling with a PHI_NODE argument.
4859
4860         * tree-flow-inline.h (overlap_subvar): Protect against
4861         possible overflow.
4862
4863 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
4864
4865         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4866         * configure: Regenerate.
4867
4868 2005-07-25  Ira Rosen  <irar@il.ibm.com>
4869
4870         * expr.c (highest_pow2_factor): Make extern.
4871         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4872         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4873         record_array_differ_p, array_ptr_differ_p): Likewise.
4874         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4875         additional cases. Call the above functions.
4876         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4877         base_object_differ_p when there are two base objects. Otherwise, compare
4878         base address and offset. Call may_alias_p.
4879         (dump_data_reference): Use a correct field name.
4880         (analyze_array): Make static. Initialize new data-ref fields.
4881         (analyze_indirect_ref): New function.
4882         (init_data_ref): Initialize new data-ref fields.
4883         (strip_conversion): Moved from tree-vect-analyze.c.
4884         (analyze_offset_expr, get_ptr_offset, address_analysis,
4885         object_analysis): Likewise.
4886         (analyze_offset): New function.
4887         (create_data_ref): Likewise.
4888         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4889         dimensions for ARRAY_REFs only.
4890         (build_classic_dist_vector): Make static.
4891         (access_functions_are_affine_or_constant_p): Call macro to get the
4892         address of access functions.
4893         (compute_all_dependences): Add new parameter
4894         compute_self_and_read_read_dependences. Compute self and read-read
4895         dependences if it is true.
4896         (find_data_references_in_loop): Call create_data_ref. Initialize new
4897         data-ref fields.
4898         (compute_data_dependences_for_loop): Add new parameter
4899         compute_self_and_read_read_dependences. Remove parameter nb_loops,
4900         compute nb_loops. Call compute_all_dependences,
4901         build_classic_dist_vector and build_classic_dir_vector with correct
4902         parameters.
4903         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4904         with correct parameters. Compare dimensions for ARRAY_REFs only.
4905         (free_data_refs): Call macro to free access functions.
4906         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4907         fields from stmt_vinfo.
4908         (struct base_object_info): New structure.
4909         (struct data_reference): Move fields to base_object_info. Add fields
4910         first_location and object_info for above structures. Move fields from
4911         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4912         aligned_to.  Add macros to access the new fields.
4913         Update functions declarations.
4914         * tree-flow.h (is_aliased_with): Declare.
4915         * tree-loop-linear.c (linear_transform_loops): Call
4916         compute_data_dependences_for_loop with correct parameters.
4917         * tree-ssa-alias.c (is_aliased_with): New function.
4918         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4919         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4920         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4921         vect_base_addr_differ_p, compute_subscript_distance and
4922         build_classic_dist_vector. Add printings. Check absolute value of
4923         distance.
4924         (vect_analyze_data_ref_dependences): Go through ddrs instead of
4925         data-refs.
4926         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4927         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4928         to bytes. Add printing.
4929         (vect_compute_data_refs_alignment): Go through loads and stores in one
4930         loop.
4931         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4932         vect_analyze_data_ref_access): Likewise.
4933         (vect_analyze_pointer_ref_access): Remove.
4934         (vect_address_analysis, vect_object_analysis): Likewise.
4935         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4936         and analyze data-refs in the loop.
4937         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4938         fields of data-ref instead of stmt. Add init to the offset from the
4939         base.
4940         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4941         (vect_update_init_of_dr): Likewise.
4942         (vect_update_inits_of_drs): Go through loads and stores in one loop.
4943         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4944         removed fields.
4945         (new_loop_vec_info): Initialize new fields.
4946         (destroy_loop_vec_info): Free new fields.
4947         (vect_strip_conversion): Remove.
4948         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4949         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4950         datarefs. Add new field ddrs.
4951         Add macros for the new fields access.
4952         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4953         base_aligned_p, misalignment, memtag, ptr_info and subvars.
4954         Remove their macros.
4955         * tree.h (highest_pow2_factor): Declare.
4956
4957 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
4958
4959         * calls.c (store_one_arg): Check for sibling call MEM arguments
4960         from already clobbered incoming argument area.
4961
4962 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4963
4964         * c-common.c (check_missing_format_attribute): New.
4965         * c-common.h (check_missing_format_attribute): Likewise.
4966         * c-typeck.c (convert_for_assignment): Use it.
4967
4968 2005-07-24  Andreas Schwab  <schwab@suse.de>
4969
4970         * config/m68k/m68k.md ("extendqidi2"): When source is an address
4971         register use a word move.  Correct operand of ext.w in 68000 code.
4972
4973 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
4974
4975         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4976         variables as declarations, rather than definitions.
4977
4978 2005-07-24  Ira Rosen  <irar@il.ibm.com>
4979
4980         PR tree-optimization/22526
4981         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4982         of the zero node.
4983
4984 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4985
4986         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4987         that C99 reserve for future use. Use it to define clog10,
4988         clog10f and clog10l.
4989
4990 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4991
4992         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4993         * configure.ac: Check for -Wmissing-format-attribute.
4994
4995         * configure: Regenerate.
4996
4997 2005-07-23  Richard Henderson  <rth@redhat.com>
4998
4999         PR tree-optimization/22623
5000         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5001
5002 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
5003
5004         PR target/22577
5005         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5006
5007 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5008
5009         * Makefile.in (C_TREE_H): Update dependencies.
5010         * c-tree.h: Include toplev.h.
5011         * diagnostic.h (diagnostic_set_info): Add format attribute.
5012         * rtl-error.c (diagnostic_for_asm): Likewise.
5013
5014 2005-07-23  Chao-ying Fu  <fu@mips.com>
5015
5016         * config/mips/mips-dsp.md: New file.
5017         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5018         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5019         functions.
5020         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5021         MIPS_BUILTIN_BPOSGE32.
5022         (mips_expand_builtin_direct): Add one parameter to indicate that
5023         builtin functions need to return a value.
5024         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5025         functions.
5026         (mips_regno_to_class): Add classes for 12 new DSP registers.
5027         (mips_subword): Change to check four HI registers.
5028         (mips_output_move): Output move to and from 6 new DSP accumulators.
5029         (override_options): Make sure -mdsp and -mips16 are not used together.
5030         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
5031         for machine modes.
5032         (mips_conditional_register_usage): Disable 6 new DSP accumulators
5033         when !TARGET_DSP.
5034         (print_operand): Add 'q' for printing DSP accumulators.
5035         (mips_cannot_change_mode_class): Check ACC_REGS.
5036         (mips_secondary_reload_class): Check ACC_REGS.
5037         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5038         (mips_register_move_cost): Check ACC_REGS.
5039         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5040         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5041         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5042         (dsp_bdesc): New array.
5043         (bdesc_arrays): Add DSP builtin function table.
5044         (mips_prepare_builtin_arg): Check predicate again after
5045         copy_to_mode_reg.
5046         (mips_expand_builtin): Add one more parameter to
5047         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5048         MIPS_BUILTIN_BPOSGE32.
5049         (mips_init_builtins): Initialize new function types.
5050         (mips_expand_builtin_direct): Check if builtin functions need to
5051         return a value and pass operands properly.
5052         (mips_expand_builtin_bposge): New function.
5053         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5054         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5055         (FIRST_PSEUDO_REGISTER): Increase to 188.
5056         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5057         Update for 12 new DSP registers.
5058         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5059         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5060         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5061         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5062         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5063         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5064         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5065         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5066         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5067         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5068         (REGISTER_NAMES): Add names for 12 new DSP registers.
5069         * config/mips/mips.md: Include mips-dsp.md.
5070         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5071         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5072         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5073         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5074         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5075         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5076         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5077         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5078         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5079         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5080         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5081         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5082         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5083         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5084         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5085         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5086         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5087         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5088         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5089         (UNSPEC_RDDSP): New constants.
5090         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5091         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
5092         A<-d alternative.
5093         * config/mips/mips.opt (-mdsp): New option.
5094         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5095         (reg_imm10_operand): New predicates.
5096         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5097         * doc/invoke.texi (-mdsp): Document new option.
5098
5099 2005-07-22  DJ Delorie  <dj@redhat.com>
5100
5101         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5102         to warning calls.
5103         * tree-inline.c (inlinable_function_p): Likewise.
5104
5105 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
5106
5107         PR debug/21828
5108         * toplev.c (check_global_declarations): Do not mark undefined
5109         variables as DECL_IGNORED_P.
5110         * varasm.c (first_global_object_name): GTY it.
5111         (weak_global_object_name): Likewise.
5112         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5113         a string to go into {weak,first}_global_object_name.
5114
5115 2005-07-22  DJ Delorie  <dj@redhat.com>
5116
5117         * c-format.c (check_function_format): Change warning control
5118         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5119
5120 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
5121
5122         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5123         &PTR->FLD a dereference of PTR.
5124         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5125         a potential dereference of PTR.
5126
5127 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
5128
5129         PR rtl-optimization/20370
5130         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5131         call allocate_reg_info if necessary.
5132
5133         PR rtl-optimization/21848
5134         * calls.c (emit_library_call_value_1): For const functions, add
5135         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5136
5137         PR rtl-optimization/22445
5138         * cselib.c (target.h): Include.
5139         (rtx_equal_for_cselib_p): Allow commutative matches.
5140         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5141         Remove MODE parameter.  Changed all callers.
5142
5143         PR rtl-optimization/22258
5144         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5145         New functions.
5146         (try_combine): Use likely_spilled_retval_p.
5147
5148 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
5149
5150         * config.gcc: Add crx-elf support.
5151
5152         * doc/contrib.texi: Mention crx.
5153         * doc/extend.texi: Document crx extensions.
5154         * doc/install.texi: Document crx install.
5155         * doc/invoke.texi: Document crx options.
5156         * doc/md.texi: Document crx constraints.
5157
5158         * config/crx/crx-protos.h: New file.
5159         * config/crx/crx.c: New file.
5160         * config/crx/crx.h: New file.
5161         * config/crx/crx.md: New file.
5162         * config/crx/crx.opt: New file.
5163         * config/crx/t-crx: New file.
5164
5165 2005-07-22  Manfred Hollstein  <mh@suse.com>
5166
5167         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5168         warnings.
5169         (int_add_graph_edge): Likewise.
5170         (collapse_nodes): Likewise.
5171         (process_unification_queue): Likewise.
5172
5173 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5174             Laurent GUERBY  <laurent@guerby.net>
5175
5176         PR tree-optimization/22336
5177         * function.c (record_block_change): Check for
5178         cfun->ib_boundaries_block.
5179
5180 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
5181
5182         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5183         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5184
5185 2005-07-21  DJ Delorie  <dj@redhat.com>
5186
5187         * toplev.c (warn_deprecated_use): Add warning control to warning
5188         call.
5189         * c-typeck.c (parser_build_binary_op): Likewise.
5190         (c_finish_if_stmt): Likewise.
5191         * c-common.c (check_function_sentinel): Likewise.
5192         (check_nonnull_arg): Likewise.
5193
5194 2005-07-21  Richard Henderson  <rth@redhat.com>
5195
5196         PR tree-opt/22504
5197         * tree-complex.c (complex_ssa_name_components): New.
5198         (cvc_lookup): Allow entry not found.
5199         (create_components): Remove.
5200         (create_one_component_var, get_component_var): New.
5201         (get_component_ssa_name, set_component_ssa_name): New.
5202         (extract_component): Use get_component_ssa_name.
5203         (update_complex_components): Use set_component_ssa_name.
5204         (update_complex_components_on_edge): Likewise.
5205         (update_phi_components): Create new PHI nodes directly, instead
5206         of adding insns to edges.
5207         (tree_lower_complex): Allocate and free complex_variable_components
5208         and complex_ssa_name_components here.
5209
5210 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
5211
5212         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5213         revert to returning false.
5214
5215 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5216
5217         PR target/21149
5218         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5219
5220 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5221
5222         PR target/22576
5223         * config/i386/i386.md (cmpxf): Change operand constraints
5224         to "nonmemory_operand".
5225
5226 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5227
5228         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5229
5230 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5231
5232         PR middle-end/21180
5233         * fold-const.c (fold_build1): Add checksum for the operands.
5234         (fold_build2): Likewise.
5235         (fold_build3): Likewise.
5236
5237 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5238
5239         PR middle-end/19055
5240         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5241
5242 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5243
5244         * common.opt (-fforward-propagate): Committed by mistake,
5245         removed.
5246
5247 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5248
5249         * reg-stack.c: Fix comment typo(s).
5250         * tree-ssa-operands.c: Likewise.
5251         * tree-vectorizer: Likewise.
5252
5253 2005-07-21  Nick Clifton  <nickc@redhat.com>
5254
5255         * config/sh/symbian.c: Replace C++ style line comments with C
5256         style line comments.
5257         (symbian_add_attribute): Do not use a ? operator on the LHS of
5258         an assignment.
5259         (sh_symbian_handle_dll_attribute): Change the type of the
5260         method vector to "VEC(tree,gc)*" and use vector accessor
5261         macros to walk over the elements.
5262         (symbian_export_vtable_and_rtti_p): Likewise.
5263         (symbian_class_needs_attribute_p): Likewise.
5264
5265 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5266
5267         PR target/22085
5268         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5269         initialize targetm.resolve_overloaded_builtin here.
5270         (altivec_expand_overloaded_builtin): Make it non-static.
5271         * config/rs6000/rs6000-protos.h
5272         (altivec_expand_overloaded_builtin): New prototype.
5273         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5274         targetm.resolve_overloaded_builtin here.
5275         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5276
5277 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5278             Zdenek Dvorak  <dvorakz@suse.cz>
5279
5280         PR tree-optimization/19210
5281         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5282         New.
5283         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5284         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5285         rely on unproven assumptions.
5286         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5287         * tree-flow.h (number_of_iterations_exit): Add final parameter.
5288         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5289         to number_of_iterations_exit.
5290         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5291         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5292         * tree-ssa-loop-niter.c (find_loop_niter,
5293         estimate_numbers_of_iterations_loop): Likewise.
5294         (number_of_iterations_exit): Honor the new options.
5295         * doc/invoke.texi (Wunsafe-loop-optimizations,
5296         funsafe-loop-optimizations): Document them.
5297
5298 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
5299
5300         PR rtl-optimization/22167
5301         * gcse.c (hoist_code): Fix hoist_exprs[] check.
5302
5303 2005-07-20  Adam Nemet  <anemet@lnxw.com>
5304
5305         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5306         __do_global_dtors_aux longcall.
5307
5308 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
5309
5310         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5311         (old_special_pred_table): Don't reference
5312         SPECIAL_MODE_PREDICATES.
5313         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5314         * config/arc/arc.h: Don't mention PREDICATE_CODES.
5315         * config/sh/predicates.h: Don't mention
5316         SPECIAL_MODE_PREDICATES.
5317         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5318         Remove.
5319
5320 2005-07-20  DJ Delorie  <dj@redhat.com>
5321
5322         * config.gcc: Add m32c-elf support.
5323
5324         * doc/contrib.texi: Mention m32c.
5325         * doc/extend.texi: Document m32c extensions.
5326         * doc/install.texi: Mention m32c.
5327         * doc/invoke.texi: Document m32c options.
5328         * doc/md.texi: Document m32c constraints.
5329
5330         * config/m32c/addsub.md: New file.
5331         * config/m32c/bitops.md: New file.
5332         * config/m32c/cond.md: New file.
5333         * config/m32c/jump.md: New file.
5334         * config/m32c/m32c-lib1.S: New file.
5335         * config/m32c/m32c-lib2.c: New file.
5336         * config/m32c/m32c-modes.def: New file.
5337         * config/m32c/m32c-pragma.c: New file.
5338         * config/m32c/m32c-protos.h: New file.
5339         * config/m32c/m32c.abi: New file.
5340         * config/m32c/m32c.c: New file.
5341         * config/m32c/m32c.h: New file.
5342         * config/m32c/m32c.md: New file.
5343         * config/m32c/m32c.opt: New file.
5344         * config/m32c/minmax.md: New file.
5345         * config/m32c/mov.md: New file.
5346         * config/m32c/muldiv.md: New file.
5347         * config/m32c/predicates.md: New file.
5348         * config/m32c/prologue.md: New file.
5349         * config/m32c/shift.md: New file.
5350         * config/m32c/t-m32c: New file.
5351
5352 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5353
5354         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5355         (stack_protect_set, stack_protect_test): New expanders.
5356         (stack_protect_set_si, stack_protect_set_si_media,
5357         stack_protect_set_di_media, stack_protect_test_si,
5358         stack_protect_test_si_media, stack_protect_test_di_media):
5359         New insns.
5360
5361 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
5362
5363         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5364
5365 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
5366
5367         * tree.h (tree_expr_nonzero_p): Export.
5368         * fold-const.c (tree_expr_nonzero_p): Likewise.
5369         Return true for CALL_EXPRs that are alloca calls.
5370         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5371         against zero.
5372         * tree-flow.h (expr_computes_nonzero): Remove.
5373         * tree-vrp.c (expr_computes_nonzero): Remove.
5374         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5375         (extract_range_from_unary_expr): Likewise.
5376         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5377         tree_expr_nonzero_p.
5378
5379 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
5380
5381         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5382         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
5383         extra arg "picreg" and use it instead of pic_offset_table_rtx.
5384         All callers changed.
5385         (frame_related_constant_load): New arg "related" which controls
5386         setting of RTX_FRAME_RELATED_P.  All callers changed.
5387         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5388         (bfin_expand_prologue): Add stack limit checking.
5389         * config/bfin/bfin.md (trapifcc): New pattern.
5390
5391         * config/bfin/bfin.c: Include "langhooks.h".
5392         (def_builtin): Go through lang_hooks to call builtin_function.
5393
5394         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5395         * config/bfin/predicates.md (symbol_ref_operand): New.
5396         (call_insn_operand): Delete.  All callers changed to use
5397         register_no_elim_operand.
5398         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5399         call_cookie field.
5400         (function_arg): Use it to generate the call's operand 2.
5401         (bfin_longcall_p): New function.
5402         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
5403         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
5404         determine if the address needs to be in a REG.
5405         (bfin_handle_longcall_attribute): New function.
5406         (bfin_attribute_table): Add "longcall" and "shortcall".
5407         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5408         (CUMULATIVE_ARGS): New member call_cookie.
5409         (PREDICATE_CODES): Add symbol_ref_operand.
5410         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5411         extra USE to the pattern.
5412         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5413         New patterns, split off call_insn, sibcall_insn, call_value_insn and
5414         sibcall_value_insn; now the new patterns handle direct calls and the
5415         old ones indirect calls.
5416         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5417
5418 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
5419
5420         * doc/trouble.texi: Update section on handling of empty loops.
5421
5422 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
5423
5424         * config.gcc: Remove support for sparc-*-openbsd*,
5425         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5426         ns32k-*-netbsd*.
5427         * config.host: Remove support for i860-*-sysv4* as a host.
5428         * config/i860/*, config/ip2k/*, config/ns32k/*,
5429         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5430         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5431         mention obsolete ports.
5432
5433 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5434
5435         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5436         soft frame pointer.
5437         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5438         of frame_pointer_rtx.
5439         (sh_expand_epilogue): Likewise.
5440         (sh_set_return_address): Likewise.
5441         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5442         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
5443         offsets from FRAME_POINTER_REGNUM.
5444         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5445         (sh_register_names): Add initializer for sfp.
5446         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5447         (VALID_REGISTER_P): Likewise.
5448         (FIRST_PSEUDO_REGISTER): Update.
5449         (DWARF_FRAME_REGISTERS): Define.
5450         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5451         (HARD_FRAME_POINTER_REGNUM): Define.
5452         (FRAME_POINTER_REGNUM): Redefine.
5453         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5454         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
5455         from FRAME_POINTER_REGNUM.
5456         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5457         FRAME_POINTER_REGNUM.
5458         (REG_CLASS_CONTENTS): Add sfp.
5459         (REG_ALLOC_ORDER): Likewise.
5460         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
5461         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5462         of frame_pointer_rtx.
5463         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5464
5465 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
5466
5467         * fold-const.c (tree_expr_nonnegative_p): Only return true for
5468         ABS_EXPR when flag_wrapv is false because of INT_MIN.
5469         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5470         of an ABS_EXPR.
5471         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5472         ABS_EXPR<x>.
5473
5474 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
5475
5476         Make CONSTRUCTOR use VEC to store initializers.
5477         * c-common.c (complete_array_type): Update to cope with VEC in
5478         CONSTRUCTOR_ELTS.
5479         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5480         (pp_c_constructor_elts): New function.
5481         * c-pretty-print.h (pp_c_constructor_elts): Declare.
5482         * c-typeck.c (build_function_call, build_c_cast, digest_init,
5483         struct constructor_stack, struct initializer_stack,
5484         constructor_elements, push_init_level, pop_init_level,
5485         add_pending_init, find_init_member, output_init_element): Update to
5486         cope with VEC in CONSTRUCTOR_ELTS.
5487         * coverage.c (build_fn_info_value, build_ctr_info_value,
5488         build_gcov_info): Likewise.
5489         * expr.c (categorize_ctor_elements_1, store_constructor,
5490         expand_expr_real_1): Likewise.
5491         * fold-const.c (fold_ternary): Likewise.
5492         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5493         gimplify_init_constructor, gimplify_expr): Likewise.
5494         * tree-dump.c (dequeue_and_dump): Likewise.
5495         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5496         node.
5497         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5498         CONSTRUCTOR_ELTS.
5499         * tree-sra.c (generate_element_init_1): Likewise.
5500         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5501         * tree-ssa-operands.c (get_expr_operands): Likewise.
5502         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5503         * tree-vect-transform.c (vect_get_vec_def_for_operand):
5504         (get_initial_def_for_reduction): Likewise.
5505         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5506         value handle in annotations.
5507         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5508         tree_node_structure): Add support for constr_kind.
5509         (build_vector_from_ctor, build_constructor_single,
5510         build_constructor_from_list): New functions.
5511         (build_constructor): Update to take a VEC instead of a TREE_LIST.
5512         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5513         Update to cope with VEC in CONSTRUCTOR_ELTS.
5514         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5515         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5516         CONSTRUCTOR_APPEND_ELT): New macros.
5517         (struct constructor_elt, struct tree_constructor): New data types.
5518         (union tree_node): Add tree_constructor field.
5519         * treestruct.def: Define TS_CONSTRUCTOR.
5520         * varasm.c (const_hash_1, compare_constant, copy_constant,
5521         compute_reloc_for_constant, output_addressed_constants,
5522         initializer_constant_valid_p, output_constant,
5523         array_size_for_constructor, output_constructor): Update to cope with
5524         VEC in CONSTRUCTOR_ELTS.
5525         * vec.h (VEC_empty, VEC_copy): New macros.
5526
5527 2005-07-19  Devang Patel  <dpatel@apple.com>
5528
5529         * dbxout.c (dbxout_type): Check Objective-C++ lang.
5530
5531 2005-07-19  Richard Henderson  <rth@redhat.com>
5532
5533         PR tree-opt/22278
5534         * gimplify.c (gimplify_expr): Use main variant type for the temp
5535         destination for a discarded volatile read.
5536         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5537         casts between non-void types that change volatility.
5538
5539 2005-07-15  DJ Delorie  <dj@redhat.com>
5540
5541         * toplev.h: Add comment about the first parameter for warning().
5542         * errors.h: Likewise.
5543
5544         * c.opt (Wpragmas): New.
5545         * doc/invoke.texi: Document it.
5546
5547         * function.c (do_warn_unused_parameter): Add warning control to
5548         warning call.
5549         * c-decl.c (warn_if_shadowing): Likewise.
5550         * c-lex.c (cb_def_pragma): Likewise.
5551         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5552         (pop_alignment): Likewise.
5553         (handle_pragma_pack): Likewise.
5554         (apply_pragma_weak): Likewise.
5555         (handle_pragma_weak): Likewise.
5556         (handle_pragma_redefine_extname): Likewise.
5557         (add_to_renaming_pragma_list): Likewise.
5558         (handle_pragma_extern_prefix): Likewise.
5559         (maybe_apply_renaming_pragma): Likewise.
5560         (handle_pragma_visibility): Likewise.
5561
5562         * config/c4x/c4x-c.c (BAD): Likewise.
5563         (c4x_parse_pragma): Likewise.
5564         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5565         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5566         (rs6000_pragma_longcall): Likewise.
5567         * config/v850/v850-c.c (pop_data_area): Likewise.
5568         (ghs_pragma_section): Likewise.
5569         (ghs_pragma_section): Likewise.
5570         (ghs_pragma_interrupt): Likewise.
5571         (ghs_pragma_starttda): Likewise.
5572         (ghs_pragma_startsda): Likewise.
5573         (ghs_pragma_startzda): Likewise.
5574         (ghs_pragma_endtda): Likewise.
5575         (ghs_pragma_endsda): Likewise.
5576         (ghs_pragma_endzda): Likewise.
5577
5578 2005-07-19  Danny Berlin <dberlin@dberlin.org>
5579             Kenneth Zadeck <zadeck@naturalbridge.com>
5580
5581         * Makefile.in: Removed tree-promote-statics.c
5582         * tree-promote-statics.c: Removed.
5583         * common.opt: Removed flag-promote-statics.
5584         * opts.c: Ditto.
5585         * passes.c: Removed tree-promote-statics pass.
5586         * tree-pass.h: Ditto.
5587         * timevar.def: Removed TV_PROMOTE_STATICS.
5588
5589
5590 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
5591
5592         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5593         and *-*-freebsd9.
5594         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5595
5596 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5597
5598         PR c/22476
5599         * c-common.c (check_function_arguments): Call
5600         'check_function_format' if either -Wformat or
5601         -Wmissing-format-attribute are specified.
5602         * c-format.c (check_function_format): Check -Wformat before
5603         calling 'check_format_info'.
5604         * c-opts.c (c_common_post_options): Don't warn for
5605         -Wmissing-format-attribute without -Wformat.
5606         * c-typeck.c (convert_for_assignment): Detect additional cases for
5607         -Wmissing-format-attribute.
5608         * doc/invoke.texi (-Wmissing-format-attribute): Document new
5609         behavior.
5610
5611 2005-07-19  Richard Guenther  <rguenther@suse.de>
5612
5613         * config/i386/i386.md (lrint<mode>2): Use temporary
5614         instead of clobbering non-existent memory.
5615
5616 2005-07-19  Nick Clifton  <nickc@redhat.com>
5617
5618         * config/avr/avr.c (legitimate_address_p): Fix debugging print
5619         statement to avoid displaying ASCII control characters.
5620
5621 2005-07-19  Ben Elliston  <bje@au.ibm.com>
5622
5623         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5624         * cfganal.c (find_edge_index): Ditto.
5625         * combine.c (combine_instructions): Ditto.
5626         * ddg.c (create_scc): Ditto.
5627         (find_successors): Ditto.
5628         (find_predecessors): Ditto.
5629         (find_nodes_on_paths): Ditto.
5630         (longest_simple_path): Ditto.
5631         * flow.c (update_life_info): Ditto.
5632         (count_or_remove_death_notes): Ditto.
5633         (clear_log_links): Ditto.
5634         * modulo-sched.c (generate_reg_moves): Ditto.
5635         (find_max_asap): Ditto.
5636         (find_max_hv_min_mob): Ditto.
5637         (find_max_dv_min_mob): Ditto.
5638         * sbitmap.c (sbitmap_first_set_bit): Ditto.
5639         * sched-rgn.c (extract_edgelst): Ditto.
5640         * tree-into-ssa.c (prepare_names_to_update): Ditto.
5641         (dump_update_ssa): Ditto.
5642         (ssa_names_to_replace) Ditto.
5643         (switch_virtuals_to_full_rewrite): Ditto.
5644         (update_ssa): Ditto.
5645         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5646
5647 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
5648
5649         Fix PR tree-optimization/22483
5650
5651         * tree-complex.c (create_components): Use
5652         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5653         * tree-flow-inline.h (fill_referenced_var_vec): New function.
5654         * tree-flow.h (safe_referenced_var_iterator): New structure.
5655         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5656         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5657         safe_referenced_var iterator.
5658         (add_type_alias): Ditto.
5659
5660 2005-07-19  Steven Bosscher  <stevenb@suse.de>
5661
5662         * loop-init.c (rest_of_handle_loop2): Remove.
5663         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5664         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5665         (pass_rtl_loop_init, pass_rtl_loop_done,
5666         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5667         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5668         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5669         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5670         pass_tree_loop_done, and pass_tree_unswitch.
5671         (gate_loop): Rename to gate_tree_loop.
5672         * passes.c (init_optimization_passes): Update for renamed tree
5673         loop passes.  Add the new loop2 passes as subpasses of loop2.
5674         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5675         Update for the renamed tree loop passes.
5676
5677 2005-07-18  Ian Lance Taylor  <ian@airs.com>
5678
5679         PR middle-end/22057
5680         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5681         blocks when optimizing.
5682
5683 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
5684
5685         * common.opt (frename-registers): Initialize to 2.
5686         (fweb): Ditto.
5687         (fgcse-after-reload): Ditto.
5688         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5689         (process_options): Only change flag_web, flag_rename_registers,
5690         and flag_rerun_cse_after_loop if not explicitly set by user.
5691
5692 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5693
5694         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5695         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5696         in 64-bit mode the same as DImode in 32-bit mode.
5697         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5698         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5699         mode. Add new mode parameter.
5700         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5701         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5702         x86_64_shift_adj): New expanders.
5703         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5704         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5705         insns.
5706         Respective new splitters. Use renamed shift splitter helpers in 32-bit
5707         DImode shift splitters.
5708         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5709         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5710         mode parameter.
5711
5712 2005-07-18  Jan Beulich  <jbeulich@novell.com>
5713
5714         * i386.md (movdi_extzv_1): New.
5715         (zero_extendhidi2): Combine alternatives and never force use of
5716         REX64 prefix.
5717         (zero_extendqidi2): Likewise. Don't restrict input selection.
5718
5719 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5720
5721         Fix PR tree-optimization/22531
5722         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
5723          moment.
5724
5725 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5726
5727         * tree-promote-statics.c (pass_promote_statics): Change dump file
5728          name.
5729
5730 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
5731
5732         * tree-optimize.c (init_tree_optimization_passes): Add
5733         pass_eliminate_useless_stores pass.
5734         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5735         * tree-ssa-pre.c (is_copy_stmt): New function.
5736         (follow_copies_till_vuse): Ditto.
5737         (do_eustores): Ditto.
5738         (gate_eustores): Ditto.
5739
5740 2005-07-16  Richard Henderson  <rth@redhat.com>
5741
5742         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5743
5744 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5745            Kenneth Zadeck <zadeck@naturalbridge.com>
5746
5747         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5748         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5749         ipa-type-escape.h, tree-promote-statics.c
5750         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5751         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5752         tree-promote-statics.c: new files.
5753         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5754         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5755         int nonlocal_set_p, mark_constant_function): Deleted.
5756         (rest_of_handle_cfg): Removed call to mark_constant_function.
5757         (nonoverlapping_component_refs_p): Added calls to support
5758         type based aliasing.
5759         * tree-ssa-alias.c (may_alias_p,
5760         compute_flow_insensitive_aliasing): Ditto.
5761         * calls.c (flags_from_decl_or_type): Removed reference to
5762         cgraph_rtl_info.
5763         * c-typeck.c (convert_arguments): Make builtins tolerant of having
5764         too many arguments.  This is necessary for Spec 2000.
5765         * cgraph.h (const_function, pure_function): Removed.
5766         * common.opt: Added "fipa-pure-const", "fipa-reference",
5767         "fipa-type-escape", and "ftree-promote-static".
5768         * opts.c: Ditto.
5769         * passes.c: Added ipa and tree-promote-statics passes.
5770         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5771         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5772         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5773         * tree-flow.h: Added exposed sra calls and addition of
5774         reference_vars_info field for FUNCTION_DECLS.
5775         * tree-pass.h: Added passes.
5776         * tree-sra.c: (sra_init_cache): New function.
5777         (sra_insert_before, sra_insert_after) Made public.
5778         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5779         and made public.
5780         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5781         aliasing. (may_alias_p): Added code to use type escape analysis to
5782         improve alias sets.
5783         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5784         code to prune clobbers of static variables based on information
5785         produced in ipa-reference pass.  Changed call clobbering so that
5786         statics are not marked as clobbered if the call does not clobber
5787         them.
5788
5789 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
5790
5791         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5792         too.
5793
5794 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
5795
5796         * doc/install.texi (*-*-solaris2*): Document recommended version
5797         of GNU binutils and mention GNU linker problem on Solaris 10.
5798
5799 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
5800
5801         PR c/22421
5802         * c-decl.c (c_build_bitfield_integer_type): New function.
5803         (finish_struct): Call it.
5804         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5805
5806 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5807
5808         * c-typeck.c (digest_init): Call 'convert_for_assignment'
5809         before returning.
5810
5811 2005-07-16  Jan Hubicka  <jh@suse.cz>
5812
5813         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5814         (scale_bbs_frequencies_int): Watch roundoff errors.
5815         * predict.c (return_prediction): Initialize return_stmt.
5816
5817 2005-07-16  Jan Hubicka  <jh@suse.cz>
5818
5819         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5820         after RTL profiling.
5821
5822 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
5823
5824         PR middle-end/22398
5825         * fold-const.c (build_range_check): Convert high/low to etype
5826         if we are only comparing against exp.
5827
5828 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
5829
5830         Fix PR tree-optimization/22376
5831         * tree-ssa-structalias.c (build_constraint_graph): We really meant
5832         special var here.
5833         (need_to_solve): New function.
5834         (compute_points_to_sets): Use it.
5835
5836 2005-07-15  Jan Hubicka  <jh@suse.cz>
5837
5838         * cfg.c (update_bb_profile_for_threading): More diagnostic.
5839         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5840
5841 2005-07-15  Richard Guenther  <rguenther@suse.de>
5842
5843         * c-common.c (handle_flatten_attribute): New function.
5844         Add flatten function attribute.
5845         * doc/extend.texi: Document flatten function attribute.
5846         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5847         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5848         New functions.
5849         (cgraph_decide_inlining): Handle functions with flatten
5850         attribute.
5851
5852 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
5853
5854         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5855         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5856         UNSPEC_XCHG, UNSPEC_AND): New.
5857         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5858         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5859         * config/rs6000/sync.md (FETCHOP): New code macro.
5860         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5861         New code attrs.
5862         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5863         (sync_compare_and_swap<mode>): Same.
5864         (sync_lock_test_and_set<mode>): Same.
5865         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5866         for QImode and HImode, and not PPC405.
5867         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5868         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5869         (sync_<fetchop>{si,di}_internal): New.
5870         (sync_nand{si,di}_internal): New.
5871         (sync_old_<fetchop>{si,di}_internal): New.
5872         (sync_old_nand{si,di}_internal): New
5873         (sync_new_<fetchop>{si,di}_internal): New.
5874         (sync_new_nand{si,di}_internal): New.
5875         (atomic_and{si,di}): New.
5876         (sync_new_nand{si,di}_internal): New.
5877         (atomic_and{si,di}): New.
5878         (sync_add<mode>_internal): Delete.
5879         (sync_addshort_internal): Use unspec instead of unspec_volatile.
5880         (sync_sub<mode>_internal): Delte.
5881         (sync_subshort_internal): New.
5882         (sync_andsi_internal): Use unspec instead of unspec_volatile.
5883         (sync_anddi_internal): Delete.
5884         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5885         (sync_booldi_internal): Delete.
5886         (sync_boolc<mode>_internal): Delete.
5887         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5888         (sync_boolc<mode>_internal2): Delete.
5889         (sync_boolcc<mode>_internal): Delete.
5890         (isync, lwsync): Use unspec instead of unspec_volatile.
5891         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5892         Revert UNSPEC_VOLATILE.
5893         (rs6000_split_atomic_op): New.
5894         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5895
5896 2005-07-14  Eric Christopher  <echristo@redhat.com>
5897
5898         * config/mips/mips.c (mips_canonicalize_comparison): Cast
5899         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5900
5901 2005-07-14  Eric Christopher  <echristo@redhat.com>
5902
5903         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5904
5905 2005-07-14  Steven Bosscher  <stevenb@suse.de>
5906
5907         PR tree-optimization/22230
5908         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5909         the computation of the four cross productions for "range op range".
5910
5911 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
5912             Ulrich Weigand  <uweigand@de.ibm.com>
5913
5914         PR target/20126
5915         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5916         in some insn.
5917
5918 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5919
5920         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5921
5922 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
5923
5924         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5925
5926 2005-07-14  Richard Guenther  <rguenther@suse.de>
5927
5928         PR middle-end/22347
5929         * config/i386/i386-protos.h (ix86_function_value): Change
5930         prototype to match new target hook.
5931         * config/i386/i386.c (ix86_value_regno): Change prototype
5932         to take extra type argument.
5933         (TARGET_FUNCTION_VALUE): Define.
5934         (ix86_function_ok_for_sibcall): Pass extra argument to
5935         ix86_value_regno, check return slot rtx for exact match.
5936         (ix86_function_value): Take extra parameter.  Dispatch to
5937         ix86_value_regno with fndecl/fntype as provided.
5938         (ix86_value_regno): Handle extra type argument.
5939         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5940
5941         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5942         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5943         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5944         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5945         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5946
5947 2005-07-14  Richard Guenther  <rguenther@suse.de>
5948
5949         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5950         * calls.c (expand_call): Pass fntype to hard_function_value.
5951         (emit_library_call_value_1): Likewise.
5952         * explow.c: Include target.h.
5953         (hard_function_value): Take extra argument, the fntype.
5954         Use new target hook for function_value.
5955         * expr.h (hard_function_value): Change prototype.
5956         * function.c (aggregate_value_p): Pass 0 as fntype to
5957         hard_function_value.
5958         (assign_parms): Use new target hook for function_value.
5959         Pass 0 as fntype to hard_function_value.
5960         (expand_function_end): Likewise.
5961         * reg-stack.c: Include target.h.
5962         (stack_result): Use new target hook for function_value.
5963         * target-def.h: New target hook function_value.
5964         * target.h: Likewise.
5965         * targhooks.c (default_function_value): New function.
5966         * targhooks.h (default_function_value): Declare.
5967
5968 2005-07-13  Ian Lance Taylor  <ian@airs.com>
5969
5970         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5971
5972 2005-07-14  Jan Hubicka  <jh@suse.cz>
5973
5974         * tree-dfa.c (dump_variable): Use default_def function.
5975         * tree-ssa-alias.c (dump_points_to_info): Likewise.
5976         * tree-ssa.c (verify_use): Likewise.
5977         * tree-ssanames.c (release_ssa_name): Likewise.
5978         * tree-tailcall.c (eliminate_tail_call): Likewise.
5979         (tree_optimize_tail_calls_1): Likewise.
5980         * tree-vrp.c (get_value_range): Likewise.
5981
5982 2005-07-14  Ben Elliston  <bje@au.ibm.com>
5983
5984         * gcc.c (main): Compare language[0] with '*' when iterating over
5985         the infiles.
5986
5987 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5988
5989         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5990         "s390_emit_compare".  Add handling of CCZ1mode.
5991         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5992         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5993         checking.
5994         (s390_branch_condition_mask): Add CCZ1mode handling.
5995         * config/s390/s390.md: ("seq", "*seq"): New pattern.
5996         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5997         Use CCZ1mode instead of CCZmode.
5998         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
5999
6000 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6001
6002         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6003         pattern.
6004         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6005
6006 2005-07-13  Eric Christopher  <echristo@redhat.com>
6007
6008         * config/mips/mips.c (mips_canonicalize_comparison): New.
6009         (mips_emit_int_relational): Use.
6010
6011 2005-07-13  Eric Christopher  <echristo@redhat.com>
6012
6013         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6014         static extra parts.
6015         * config/s390/s390.md: Include tpf.md. Move tpf specific
6016         patterns...
6017         * config/s390/tpf.md: To here.
6018         * config/s390/s390.opt: Move tpf specific options...
6019         * config/s390/tpf.opt: to here. Add mmain option.
6020         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6021         * config/s390/tpf.h: Rewrite.
6022
6023 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6024
6025         * doc/tm.texi: Remove @xref{Cross-profiling}.
6026
6027 2005-07-13  Jeff Law  <law@redhat.com>
6028
6029         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6030         expressions, test their _DECL operands for pointer equality rather
6031         than using operand_equal_p.
6032
6033 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6034
6035         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6036         (TARGET_POSIX_IO): This.
6037         * config/darwin.h: Likewise.
6038         * config/freebsd.h: Likewise.
6039         * config/linux.h: Likewise.
6040         * config/lynx.h: Likewise.
6041         * config/netbsd.h: Likewise.
6042         * config/rs6000/linux64.h: Likewise.
6043         * config/rs6000/linux.h: Likewise.
6044         * config/s390/tpf.h: Likewise.
6045         * config/sh/embed-elf.h: Likewise.
6046         * config/sparc/linux64.h: Likewise.
6047         * config/sparc/linux.h: Likewise.
6048         * config/svr4.h: Likewise.
6049         * gcov-io.h: Likewise.
6050
6051         * doc/tm.texi: Updated.
6052
6053         * libgcov.c (create_file_directory): Defined only if
6054         TARGET_POSIX_IO is defined.
6055         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6056         is defined.
6057
6058 2005-07-13  Jan Hubicka  <jh@suse.cz>
6059
6060         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6061
6062 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
6063
6064         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6065         structure as argument.
6066
6067 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
6068
6069         PR tree-optimization/21921
6070         * tree-iterator.c (tsi_link_before): Support the case when
6071         tsi_end_p (tsi) == true.
6072
6073 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6074
6075         PR tree-optimization/22442
6076         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6077         correctly.
6078
6079 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6080
6081         PR rtl-optimization/20376
6082         * toplev.c (process_options): Enable -fweb and -frename-registers when
6083         unrolling.
6084         * doc/invoke.texi: Update the information about when -fweb and
6085         -frename-registers are enabled.
6086
6087 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6088
6089         PR tree-opt/21840
6090         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6091         if *rhs_p is not a SSA_NAME.
6092
6093 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
6094
6095         Fix PR tree-optimization/22422
6096         * tree-ssa-structalias.c (struct variable_info): Add flag for
6097         special vars.
6098         (get_varinfo): Now a static function.
6099         (new_varinfo): init has_union and is_special_var to false.
6100         (solution_set_add): Check has_union.
6101         (do_da_constraint): Move temporary variable so it gets reset
6102         properly.
6103         Also check for special variable.
6104         (do_ds_constraint): Ditto.
6105         (do_sd_constraint): Ditto.
6106         (do_structure_copy): Check for special variable.
6107         (find_func_aliases): Ditto.
6108         (init_base_vars): Set special vars properly.
6109
6110 2005-07-13  Jan Hubicka  <jh@suse.cz>
6111
6112         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6113         do unit-at-a-time.
6114
6115         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6116         (get_expr_operands): Fix thinko wrt flags and subvars.
6117
6118         PR tree-optimize/22379
6119         * tree-inline.c (expand_call_inline): Do not output sorry in early
6120         inlining.
6121
6122 2005-07-12  Dale Johannesen  <dalej@apple.com>
6123
6124         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
6125
6126 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6127
6128         PR bootstrap/21704
6129         * host-linux.h: Include limits.h.
6130
6131 2005-07-12  Dale Johannesen  <dalej@apple.com>
6132
6133         * expr.c (compress_float_constant):  Add cost check.
6134         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
6135
6136 2005-07-12  Dale Johannesen  <dalej@apple.com>
6137
6138         * gcc.target/i386/compress-float-sse.c:  New.
6139         * gcc.target/i386/compress-float-sse-pic.c:  New.
6140         * gcc.target/i386/compress-float-387.c:  New.
6141         * gcc.target/i386/compress-float-387-pic.c:  New.
6142         * gcc.dg/compress-float-ppc.c:  New.
6143         * gcc.dg/compress-float-ppc-pic.c:  New.
6144
6145 2005-07-12  Eric Christopher  <echristo@redhat.com>
6146
6147         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6148         static extra parts.
6149         * config/s390/s390.md: Include tpf.md. Move tpf specific
6150         patterns...
6151         * config/s390/tpf.md: To here.
6152         * config/s390/s390.opt: Move tpf specific options...
6153         * config/s390/tpf.opt: to here. Add mmain option.
6154         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6155         * config/s390/tpf.h: Rewrite.
6156
6157 2005-07-12  Eric Christopher  <echristo@redhat.com>
6158
6159         * gcc.c (struct infile): Update comment for language.
6160         (main): Rewrite input file resetting code.
6161
6162 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6163
6164         PR tree-opt/22335
6165         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6166         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
6167         (lookup_avail_expr): Use constant_boolean_node instead
6168         of boolean_false_node/boolean_true_node.
6169
6170 2005-07-12  Ben Elliston  <bje@au.ibm.com>
6171
6172         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6173         and use it when printing num_edges.
6174
6175 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6176
6177         * doc/extend.texi (Blackfin Built-in Functions): New section.
6178         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6179         @opindex.
6180
6181 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
6182
6183         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6184         s/cmpstrsi/cmpstrnsi
6185         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6186         'cmpstrnsi'.
6187         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6188         (init_optabs): Initialize cmpstrn_optab.
6189         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6190         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6191         * expr.c: (enum insn_code cmpstrn_optab): Declare.
6192         * config/i386/i386.md: s/cmpstr/cmpstrn
6193         * config/c4x/c4x.md: s/cmpstr/cmpstrn
6194         * doc/md.texi: Update documentation.
6195
6196 2005-07-11  Richard Henderson  <rth@redhat.com>
6197
6198         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6199         build_va_arg_indirect_ref.
6200         (alpha_gimplify_va_arg): Likewise.
6201         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6202         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6203         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6204         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6205         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6206         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6207         Likewise.
6208         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6209
6210 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6211
6212         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6213         * passes.c (init_optimization_passes): Add pass_empty_loop.
6214         * tree-pass.h (pass_empty_loop): Declare.
6215         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6216         try_remove_empty_loop, remove_empty_loops): New functions.
6217         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6218         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6219
6220 2005-07-12  Peter Barada  <peter@the-baradas.com>
6221
6222         PR middle-end/16719
6223         PR middle-end/18421
6224         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6225         in address registers.
6226         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6227         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6228         alternative of addsi3_5200.
6229
6230 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6231
6232         * config/mips/mips.md (ffs<mode>2): Remove.
6233
6234 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6235
6236         * doc/tree-ssa.texi (Cleanups): Improve description of
6237         TRY_FINALLY_EXPR.
6238         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6239
6240 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6241
6242         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6243         * tree.h (DECL_ARGUMENT_FLD): New macro.
6244
6245 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6246
6247         Fix PR tree-optimization/22404
6248
6249         * tree-ssa-structalias.c (create_variable_info_for): Use
6250         correct offset.
6251
6252 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6253
6254         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6255         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6256         for second comparison operand.
6257         * config/bfin/predicates.md (reg_or_const_int_operand): New.
6258
6259         * config/bfin/bfin.md (define_attr "type"): Add "sync".
6260         (define_insn_reservation "alu"): Likewise.
6261         (csync, ssync): Now of type sync.
6262         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6263         -mcsync-anomaly -mspecld-anomaly.
6264         * config/bfin/bfin.opt (mcsync): Remove.
6265         (mcsync-anomaly, mspecld-anomaly): Add.
6266         * config/bfin/bfin.c: Include "insn-codes.h".
6267         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6268         (TARGET_DEFAULT_TARGET_FLAGS): New.
6269         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6270
6271 2005-07-11  Steven Bosscher  <stevenb@suse.de>
6272
6273         * basic-block.h: Give the BB flags enum a name, bb_flags.
6274         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6275         * cfgcleanup.c (enum bb_flags): Remove here.
6276         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6277         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6278         (update_forwarder_flag): Likewise.
6279         (thread_jump): Likewise.
6280         (try_forward_edges): Likewise.
6281         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
6282         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
6283         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6284
6285 2005-07-11  Richard Guenther  <rguenther@suse.de>
6286
6287         * config/i386/i386.opt: New target option -msseregparm.
6288         * config/i386/i386.c (override_options): Error out for
6289         -msseregparm but no SSE support.
6290         (ix86_function_sseregparm): Check for global sseregparm.
6291         * doc/invoke.texi: Document -msseregparm.
6292
6293 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6294
6295         * config.gcc (m32r-*-linux*): Use the default extra_parts.
6296         (m32rle-*-linux*): Ditto.
6297
6298 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
6299
6300         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6301         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6302         bytes.
6303
6304 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6305
6306         PR middle-end/22239
6307         PR target/20126
6308         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6309         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6310
6311 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
6312
6313         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6314         (varmap): Heapify varmap.
6315         (constraints): Heapify constraints.
6316         (struct constraint_graph): Heapify succs and preds.
6317         (constraint_vec_find): Update for heapification.
6318         (constraint_set_union): Ditto.
6319         (insert_into_complex): Ditto.
6320         (constraint_edge_vec_find): Ditto.
6321         (erase_graph_self_edge): Ditto.
6322         (add_graph_edge): Ditto.
6323         (get_graph_weights): Ditto.
6324         (merge_graph_nodes): Ditto.
6325         (build_constraint_graph): Ditto.
6326         (topo_visit): Ditto.
6327         (solve_graph): Ditto.
6328         (create_variable_info_for): Ditto.
6329         (init_base_vars): Ditto.
6330         (delete_points_to_sets): Free graph, varmap, and complex constraints.
6331         (condese_varmap_nodes): Free complex vector.
6332         (clear_edges_for_node): Clear succs and preds vector.
6333
6334 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6335
6336         * tree-ssa-structalias.c (update_alias_info): Change counting of
6337         references to not include vdefs.
6338
6339 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6340
6341         * tree-ssa-alias.c (free_used_part_map): Add missing free.
6342         (up_insert): Ditto.
6343
6344 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6345
6346         * pa.c (pa_commutative_p): Make PLUS commutative when
6347         TARGET_NO_SPACE_REGS is true.
6348
6349 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6350
6351         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6352         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6353         * tree-dfa.c (dump_subvars_for): New.
6354         (debug_subvars_for): New.
6355         (dump_variable): Show subvariables if VAR has them.
6356         * tree-flow-inline.h (get_subvar_at): New.
6357         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6358         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6359         Update all users.
6360         (struct subvar): Change fields offset and size to unsigned
6361         HOST_WIDE_INT.
6362         (dump_subvars_for): Declare.
6363         (debug_subvars_for): Declare.
6364         (get_subvar_at): Declare.
6365         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6366         to unsigned HOST_WIDE_INT *.
6367         (overlap_subvar): Likewise.
6368         * tree-gimple.c (is_gimple_reg): Always return false for
6369         SFTs and memory tags.
6370         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6371         Update all callers.
6372         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6373         (compute_may_aliases): Call compute_points_to_sets.
6374         (collect_points_to_info_for): Remove.
6375         (compute_points_to_and_addr_escape): Remove.
6376         (delete_alias_info): Call delete_points_to_sets.
6377         (compute_flow_sensitive_aliasing): If the call to
6378         find_what_p_points_to returns false, call set_pt_anything.
6379         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6380         (set_pt_anything): Clear pi->pt_vars.
6381         (set_pt_malloc): Remove.
6382         (merge_pointed_to_info): Remove.
6383         (add_pointed_to_expr): Remove.
6384         (add_pointed_to_var): Remove.
6385         (collect_points_to_info_r): Remove.
6386         (is_escape_site): Make extern.
6387         (create_sft): New.
6388         (create_overlap_variables_for): Call it.
6389         * tree-ssa-copy.c (merge_alias_info): Never merge
6390         flow-sensitive alias information.
6391         * tree-ssa-operands.c (get_expr_operands): Adjust variables
6392         offset and size to be unsigned HOST_WIDE_INT.
6393         (add_to_addressable_set): Rename from note_addressable.
6394         Set TREE_ADDRESSABLE as the variables are added to the set.
6395         Update all users.
6396         (add_stmt_operand): Do not try to micro-optimize unmodifiable
6397         operands into VUSEs when adding V_MAY_DEFs for members in an
6398         alias set.
6399         * tree-ssa-operands.h (add_to_addressable_set): Declare.
6400         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6401         (struct variable_info): Add bitfield is_heap_var.
6402         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6403         (new_var_info): Initialize is_heap_var.
6404         (get_constraint_for): Add HEAP variables to the symbol table.
6405         Mark them with is_heap_var.
6406         (update_alias_info): New.  Taken mostly from the old
6407         compute_points_to_and_addr_escape.
6408         (handle_ptr_arith): New.
6409         (find_func_aliases): Call update_alias_info.
6410         Call handle_ptr_info for tcc_binary expressions.
6411         Call mark_stmt_modified.
6412         (create_variable_info_for): If DECL has subvars, do not create
6413         variables for its subvars.  Always add all the fields.
6414         (set_uids_in_ptset): If the solution includes ANYOFFSET and
6415         SFTs, then add all the SFTs of the structure.
6416         If VI->DECL is an aggregate with subvariables, add the SFT at
6417         VI->OFFSET.
6418         (find_what_p_points_to): If VI is an artificial variable,
6419         translate to bitfields in SSA_NAME_PTR_INFO.
6420         If the solution is empty, set pi->pt_vars to NULL
6421         (init_base_vars): Create ANYOFFSET.
6422         (compute_points_to_sets): Rename from create_alias_vars.
6423         Make extern.
6424         (pass_build_pta): Remove.
6425         (delete_points_to_sets): Rename from delete_alias_vars.
6426         (pass_del_pta): Remove.
6427         * tree-ssa-structalias.h (struct alias_info): Move from
6428         tree-ssa-alias.h.
6429         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6430         NUM_REFERENCES_SET): Likewise.
6431         (compute_points_to_sets, delete_points_to_sets): Declare.
6432
6433 2005-07-09  Richard Henderson  <rth@redhat.com>
6434
6435         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6436         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6437         alpha_split_lock_test_and_set_12): New functions.
6438         * config/alpha/alpha-protos.h: Update.
6439         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6440         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6441         * config/alpha/sync.md (I12MODE): New.
6442         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6443         (sync_<fetchop_name><I48MODE>): Likewise.
6444         (sync_nand<I48MODE>): Likewise.
6445         (sync_old_<fetchop_name><I48MODE>): Likewise.
6446         (sync_new_<fetchop_name><I48MODE>): Likewise.
6447         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6448         (sync_compare_and_swap<I48MODE>): Likewise.
6449         (sync_lock_test_and_set<I48MODE>): Likewise.
6450         (sync_compare_and_swap<I12MODE>): New.
6451         (sync_compare_and_swap<I12MODE>_1): New.
6452         (sync_lock_test_and_set<I12MODE>): New.
6453         (sync_lock_test_and_set<I12MODE>_1): New.
6454
6455 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6456
6457         PR 21356
6458         PR 22332
6459         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6460
6461 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
6462
6463         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6464         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6465
6466 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
6467
6468         PR target/21656
6469         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6470
6471 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
6472
6473         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6474         memory_operand constraint.
6475         (store_conditional_<mode>): Same.
6476         (sync_compare_and_swap<mode>): Same.
6477         (sync_lock_test_and_set<mode>): Same.
6478
6479 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
6480
6481         Rewrite PIC support to more closely model actual instructions.
6482         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6483         (cris_symbol): Remove prototypes for removed functions.
6484         (cris_pic_symbol_type_of, cris_valid_pic_const)
6485         (cris_expand_pic_call_address): Prototypes for new functions.
6486         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6487         variable.
6488         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6489         modifiers.
6490         <case ':'>: Add case for new punctuation character.
6491         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6492         emitting (extra) PIC modifier.
6493         <case UNSPEC>: Do not assert for PLT.
6494         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6495         (cris_expand_prologue, cris_expand_epilogue): Check
6496         for pic_offset_table_rtx usage instead of taking
6497         current_function_uses_pic_offset_table as the final word.
6498         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6499         Remove flag_pic difference.
6500         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6501         the moral equivalents of...
6502         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6503         functions.
6504         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6505         (cris_handle_option): Mark ARG as unused.
6506         (cris_expand_pic_call_address): New worker function for "call",
6507         "call_value".
6508         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6509         output PIC constructs here.
6510         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6511         as symbol-specific modifers, not whole or part of operands.
6512         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6513         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6514         constants and flag_pic.
6515         (CONSTANT_INDEX_P): Adjust for new functions.
6516         (enum cris_pic_symbol_type): New helper type.
6517         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6518         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6519         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6520         define_constants.
6521         ("movsi"): Emit actual instructions for GOT and relative access.
6522         ("*movsi_got_load"): New pattern to set up the register holding
6523         the GOT pointer.
6524         ("*movsi_internal"): Operand 1 is not a plain general_operand.
6525         Adjust FIXME for 'S'.
6526         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6527         Use "movs" for -fpic cases.
6528         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6529         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6530         ("call", "call_value"): Just call cris_expand_pic_call_address for
6531         PIC addresses.
6532         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6533         Remove special pattern.
6534         ("*expanded_call_side", "*expanded_call_value_side"): New
6535         patterns.
6536         (gotplt-to-plt, gotplt-to-plt-side-call)
6537         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6538         peephole2:s.
6539         * config/cris/cris/predicates.md
6540         ("cris_general_operand_or_gotless_symbol"): Remove unused
6541         predicate.
6542         ("cris_general_operand_or_symbol"): Adjust for new functions.
6543
6544 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6545
6546         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6547
6548 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
6549
6550         * Makefile.in (TREE_H): Add treestruct.def.
6551         (c-decl.o): Add pointer-set.h
6552         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6553         visibility on regular DECL's.
6554         (merge_decls): Fix the copying of decl nodes of various types for
6555         the new structures.  Don't update RTL, section name, weak status,
6556         etc, on DECL's without RTL.
6557         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6558         Don't check volatile on non-variable types.
6559         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6560         to check whether we have seen arguments.
6561         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6562         flag is checked before field (flag is common, field is not).
6563         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
6564         TS_DECL_COMMON could have an origin.
6565         (add_location_or_const_value_attribute): Don't check section name
6566         on non-var/function decls.
6567         (dwarf2out_var_location): Reverse order of tests.
6568         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6569         with DECL_WRTL_CHECK.
6570         * expmed.c (make_tree): rtl is now in decl_with_rtl.
6571         * fold-const.c (fold_binary): Don't check weakness on
6572         non-var/function decls.
6573         (tree_expr_nonzero_p): Ditto.
6574         (fold_checksum_tree): Use tree_decl_extra as sizeof
6575         buffer.
6576         * ggc-page.c (extra_order_size_table): Add sizes for
6577         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
6578         tree_field_decl.
6579         * gimplify.c (gimplify_bind_expr): Only set
6580         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6581         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6582         without RTL.
6583         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6584         * langhooks.h (init_ts). New langhook.
6585         * passes.c (rest_of_decl_compilation): Reverse order of tests.
6586         * print-tree.c (print_node): Update to only print fields that
6587         exist in the structures the passed decl has.
6588         * toplev.c (wrapup_global_declarations): Don't reset
6589         DECL_DEFER_OUTPUT on DECL's that don't contain it.
6590         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6591         * tree-inline.c (remap_decl): Ditto.
6592         * tree-outof-ssa.c (create_temp): Reverse order of tests.
6593         * tree-pretty-print.c (print_declaration): Don't print
6594         DECL_REGISTER on things that don't contain it.
6595         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6596         non-var/function decls.
6597         * tree.c (tree_contains_struct): New structure.
6598         (init_priority_for_decl): New hashtable.
6599         (tree_int_map): New structure.
6600         (tree_int_map_eq): New function.
6601         (tree_int_map_marked_p): Ditto.
6602         (tree_int_map_hash): Ditto.
6603         (tree_map): Move to tree.h.
6604         (tree_map_eq): Externalize.
6605         (tree_map_hash): Ditto.
6606         (tree_map_marked_p): Ditto.
6607         (init_ttree): Set up tree_contains_struct and call langhook.
6608         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6609         (tree_code_size): Update for new structures.
6610         (tree_node_structure): Update for new structures.
6611         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6612         without the field.
6613         (copy_node_stat):  Copy init priority.
6614         (build_decl_stat): Ditto for visibility.
6615         (ts_enum_names): New.
6616         (tree_contains_struct_check_failed): New function.
6617         (decl_init_priority_lookup): Ditto.
6618         (decl_init_priority_insert): Ditto.
6619         * treestruct.def: New file.
6620         * tree.h (CODE_CONTAINS_STRUCT): New macro.
6621         (CONTAINS_STRUCT_CHECK): Ditto.
6622         (tree_contains_struct_check_failed): New prototype.
6623         (DECL_CHECK): Removed.
6624         (DECL_MINIMAL_CHECK): New.
6625         (DECL_COMMON_CHECK): Ditto.
6626         (DECL_WRTL_CHECK): Ditto.
6627         (DECL_NON_COMMON_CHECK): Ditto.
6628         (DECL_WITH_VIS_CHECK): Ditto.
6629         (VAR_OR_FUNCTION_DECL_P): Ditto
6630         (struct tree_decl_minimal): New structure.
6631         (struct tree_decl_common): Ditto.
6632         (struct tree_decl_with_rtl): Ditto.
6633         (struct tree_decl_with_vis): Ditto.
6634         (struct tree_decl_non_common): Ditto.
6635         (struct tree_field_decl): Ditto.
6636         (struct tree_parm_decl): Ditto.
6637         (struct tree_var_decl): Ditto.
6638         (struct tree_function_decl): Ditto.
6639         (struct tree_const_decl): Ditto.
6640         (struct tree_result_decl): Ditto.
6641         (union tree_node): Add new structures.
6642         * var-tracking.c (track_expr_p): Reverse order of tests.
6643
6644         * doc/c-tree.texi: Add documentation on DECL node internal structure.
6645
6646 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6647
6648         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6649         * system.h: Poison FINALIZE_PIC.
6650         * doc/tm.texi (FINALIZE_PIC): Remove.
6651
6652 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6653
6654         PR tree-opt/22329
6655         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6656         to the correct type if we have a MODIFY_EXPR.
6657
6658 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6659
6660         PR tree-optimization/22360
6661         * tree.c (upper_bound_in_type): Fix calculations for casting
6662         to a non-wider signed type and casting a signed value to a
6663         wider unsigned type.
6664         (lower_bound_in_type): Fix calculations for casting to a
6665         non-wider signed type.
6666
6667         PR tree-optimization/20139
6668         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6669         release_defs.
6670         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6671         fold_cond_expr_cond.
6672         * tree-ssanames.c (release_defs): Assert in_ssa_p.
6673         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6674
6675 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6676
6677         PR tree-opt/22356
6678         * tree-complex.c (expand_complex_libcall): Produce
6679         REALPART_EXPR/IMAGPART_EXPR with the correct type.
6680
6681 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
6682
6683         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6684         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6685         b" assert and inserted fastpath code for this case.
6686         (bitmap_ior): Removed "a != b" assert.
6687
6688 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6689
6690         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6691         (ENDFILE_SPEC): Likewise.
6692         * config/m32r/m32r.h (ASM_SPEC): Likewise.
6693
6694         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6695         a large stack frame at epilogue.
6696
6697 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
6698
6699         * final.c: Include sdbout.h when required.
6700
6701 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
6702
6703         * config.gcc (*-*-darwin*): Only one target-specific header file
6704         for generic darwin.
6705         (powerpc-*-darwin*): Add version-specific header files.
6706         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6707         * config.in: Regenerate.
6708         * configure: Regenerate.
6709         * gcc.c: Include xregex.h.
6710         (version_compare_spec_function): New.
6711         (spec_function): Add version-compare.
6712         (replace_outfile_spec_function): Reformat comment.
6713         (compare_version_strings): New.
6714         * config/darwin-c.c (version_as_macro): New.
6715         (builtin_define): New.
6716         (darwin_cpp_builtins): New.
6717         * config/darwin-protos.h (darwin_cpp_builtins): New.
6718         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6719         (LIB_SPEC): Make unconditional, update comment.
6720         (TARGET_C99_FUNCTIONS): Define.
6721         * config/darwin.opt: Sort.
6722         (mmacosx-version-min=): New.
6723         * config/darwin7.h: Delete.
6724         * config/darwin8.h: Delete.
6725         * config/i386/darwin.h (): Call darwin_cpp_builtins.
6726         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6727         (TARGET_C99_FUNCTIONS): Define.
6728         * config/rs6000/darwin7.h: New.
6729         * config/rs6000/darwin8.h: New.
6730         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6731         (-mmacosx-version-min): Document.
6732
6733 2005-07-07  Ian Lance Taylor  <ian@airs.com>
6734
6735         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6736
6737 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
6738
6739         PR middle-end/22239
6740         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6741
6742 2005-07-07  Khem Raj  <kraj@mvista.com>
6743
6744         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6745         in bytes, not words.
6746
6747 2005-07-07  Paul Brook  <paul@codesourcery.com>
6748
6749         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6750         DEFAULT_FUNCTION_ARG_PADDING to upward.
6751
6752 2005-07-07  Richard Henderson  <rth@redhat.com>
6753
6754         * function.c (locate_and_pad_parm): Record parameter alignment in
6755         stack_alignment_needed.
6756
6757 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
6758
6759         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6760         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6761         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6762         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6763         (define_attr "type"): Add isync, sync, load_l, store_c.
6764         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6765         Create scratch volatile MEM.
6766         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
6767         sync.
6768         (load_locked_<mode>): New.
6769         (store_conditional_<mode>): New.
6770         (sync_compare_and_swap<mode>): Replace with splitter.
6771         (sync_lock_test_and_set<mode>): Replace with splitter.
6772         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6773         and UNSPECV_ISYNC.
6774         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
6775         is ics.  Attribute isync.
6776         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
6777         lwsync.
6778         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6779         and UNSPECV_SYNC_OP.
6780         (emit_unlikely_jump): New.
6781         (emit_load_locked): New.
6782         (emit_store_conditional): New.
6783         (rs6000_split_compare_and_swap): New.
6784         (rs6000_split_lock_test_and_set): New.
6785         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6786         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6787         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6788         rs6000_split_lock_test_and_set): Declare.
6789         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6790         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6791         store_c, isync, sync.
6792
6793 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
6794
6795         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6796         filenames to gtyp-gen.h.
6797         (s-typ-gen): Use it in place of for loops.
6798
6799 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
6800
6801         * hooks.c (hook_bool_rtx_int_false): New function.
6802         * hooks.h (hook_bool_rtx_int_false): Declare.
6803         * target-def.h (TARGET_COMMUTATIVE_P): Define.
6804         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6805         * target.h (struct gcc_target): Add commutative_p member.
6806         * targhooks.c (hook_bool_rtx_commutative_p): New function.
6807         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6808         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6809         (pa_commutative_p): New function.
6810         * jump.c (target.h): Include.
6811         (rtx_renumbered_equal_p): Use targetm.commutative_p.
6812         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6813
6814 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6815
6816         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6817         (s390_expand_setmem): New.
6818         * config/s390/s390.c: Likewise.
6819         (print_shift_count_operand): Truncate to 12 bits instead of 6.
6820         Adapt comments.
6821         * config/s390/s390.md: ("setmem<mode>"): Accept character as
6822         general_operand.  Call new function "s390_expand_setmem".
6823         ("clrmem_long", "*clrmem_long"): Rewrite to ...
6824         ("setmem_long", "*setmem_long"): ... this.
6825
6826 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6827
6828         * config/s390/s390.c: (optimization_options): Enable
6829         TARGET_MVCLE at -Os.
6830         * doc/invoke.texi: Document changes in default behaviour.
6831         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6832
6833 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
6834
6835         * expr.c: (set_storage_via_setmem): Convert opchar to mode
6836         defined by back-end.
6837
6838 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
6839
6840         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6841         all sets in the pattern.
6842         * config/rs6000/rs6000.md (stack_protect_testsi,
6843         stack_protect_testdi): Likewise.
6844
6845 2005-07-06  Jeff Law  <law@redhat.com>
6846
6847         * tree-vrp.c (simplify_using_ranges): Kill.
6848         (vrp_finalize): Remove call to simplify_using_ranges.
6849         (simplify_stmt_using_ranges): New function extracted from
6850         simplify_using_ranges.
6851         (simplify_div_or_mod_using_ranges): Likewise.
6852         (simplify_abs_using_ranges): Likewise.
6853         (simplify_cond_using_ranges): New function.
6854         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6855         * tree-ssa-propagate.c (substitute_and_fold): Call
6856         simplify_stmt_using_ranges if we have range information.
6857
6858 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
6859
6860         * config/ia64/ia64.c (ia64_reorg): Check optimize before
6861         ia64_flag_schedule_isns2.
6862
6863         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6864         reading/writing general registers.
6865         (ia64_function_arg): Revert 2005-06-18 change.
6866
6867 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
6868
6869         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6870         (legitimize_tls_address): Use gcc_unreachable instead of abort.
6871
6872 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
6873
6874         * function.c (expand_function_end): Revert part of 2005-06-27
6875         patch.  Do sjlj_emit_function_exit_after after return_label.
6876
6877 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6878
6879         * doc/install.texi (--disable-libssp): New.
6880
6881 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
6882
6883         * doc/invoke.texi: Update -fforce-mem documentation.
6884         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6885         code for -fforce-mem.
6886         * expmed.c: (store_bit_field,store_fixed_bit_field,
6887         extract_bit_field): Ditto.
6888         * expr.c: (convert_move): Ditto.
6889         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6890         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6891         emit_conditional_add,expand_float,expand_fix): Ditto.
6892         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6893         (common_handle_option): Issue warning when -fforce-mem specified.
6894
6895 2005-07-06  Paul Brook  <paul@codesourcery.com>
6896
6897         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6898         argument is empty.
6899         * configure: Regenerate.
6900
6901 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
6902
6903         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6904
6905 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
6906
6907         Fix PR tree-optimization/22319
6908         Fix PR tree-optimization/22140
6909         Fix PR tree-optimization/22310
6910
6911         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6912         variable sized types.
6913         Use correct type for intermediate structure on *a = *b structure
6914         copies.
6915
6916 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6917
6918         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6919         Remove.
6920         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6921         (machine_function): Move typedef to...
6922         * config/rs6000/rs6000.c (machine_function): ... here.  Add
6923         varargs_save_offset field.
6924         (rs6000_stack_t): Remove varargs_size field.
6925         (setup_incoming_varargs): Allocate varargs save area using
6926         assign_stack_local, try to make it as small as possible.
6927         Save offset from virtual_stack_vars_rtx to the save area
6928         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
6929         instead of magic 8 when fp word byte size is used.
6930         (rs6000_va_start): Use cfun->machine->varargs_save_offset
6931         instead of -RS6000_VARARGS_SIZE.
6932         (rs6000_stack_info, debug_stack_info,
6933         rs6000_initial_elimination_offset): Remove all traces of
6934         varargs_size.
6935         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6936         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6937         RS6000_VARARGS_AREA.
6938
6939 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
6940
6941         PR tree-optimization/21963
6942         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6943         constant_multiple_of in the same way get_computation_cost_at does.
6944
6945 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6946
6947         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6948         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6949         (gen_compare_reg): If sparc_compare_emitted is set, clear it
6950         and return its previous value.
6951         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6952         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6953         constants.
6954         (stack_protect_set, stack_protect_test): New expanders.
6955         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6956         stack_protect_testdi): New insns.
6957         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6958         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6959
6960 2005-07-06  Jeff Law  <law@redhat.com>
6961
6962         * tree-ssa-dce.c (cfg_altered): New global.
6963         (tree_dce_init): Initialize cfg_altered.
6964         (remove_dead_stmt): If we remove an edge in the CFG, then set
6965         CFG_ALTERED.
6966         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6967         the dominators.
6968
6969 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6970
6971         * Makefile.in (stamp-collect-ld): Use
6972         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
6973         ./collect-ld if it already exists.
6974         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6975         Don't remove ./nm if it already exists.
6976
6977 2005-07-05  Devang Patel  <dpatel@apple.com>
6978
6979         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6980         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6981         * tree-vectorizer.c (vect_loop_location): New.
6982         (vect_print_dump_info): Use vect_loop_location.
6983         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6984         (vectorize_loops): Set vect_loop_location.
6985         * tree-vect-analyze.c (vect_analyze_offset_expr,
6986         vect_determin_vectorization_factor, vect_analyze_operations,
6987         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6988         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6989         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6990         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6991         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6992         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6993         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6994         vect_analyze_loop): Adjust vect_print_dump_info API.
6995         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6996         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6997         vect_finish_stmt_generation, vectorizable_assignment,
6998         vectorizable_operation, vectorizable_store, vectorizable_load,
6999         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7000         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7001         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7002         vect_transform_loop): Same.
7003         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7004         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7005         Same.
7006
7007 2005-07-05  Randolph Chung  <tausq@debian.org>
7008
7009         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7010         * configure: Regenerate.
7011         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7012         (pa_tls_referenced_p): Declare.
7013         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7014         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7015         (legitimize_tls_address): New.
7016         (hppa_legitimize_address): Handle TLS addresses.
7017         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7018         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7019         (emit_move_sequence): Handle TLS addresses.
7020         (pa_encode_section_info): Call default handler to handle common
7021         sections.
7022         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7023         (CONSTANT_ADDRESS_P): Reject TLS operands.
7024         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7025         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7026         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7027         (UNSPEC_TLSLE): Define new constants.
7028         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7029         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7030         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7031         (tie_symbolic_operand, tle_symbolic_operand): New
7032
7033 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
7034
7035         * aclocal.m4: Update macros for autoconf 2.59 style.
7036         * configure.ac: Likewise.
7037
7038 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7039
7040         * pa.c (function_value): Handle small aggregates on 32-bit targets.
7041         (function_arg): Pass small aggregates in general registers on 32-bit
7042         targets.
7043         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7044
7045 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
7046
7047         * Makefile.in (final.o): Fix dependencies.
7048
7049 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7050
7051         PR c/22013
7052         PR c/22098
7053         * langhooks.h (struct lang_hooks): Add expr_to_decl.
7054         * langhooks.c (lhd_expr_to_decl): New.
7055         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7056         New.
7057         (LANG_HOOKS_INITIALIZER): Update.
7058         * tree.c (recompute_tree_invarant_for_addr_expr): Call
7059         expr_to_decl langhook.
7060         * c-tree.h (c_expr_to_decl): Declare.
7061         * c-typeck.c (c_expr_to_decl): New.
7062         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7063         specially.
7064         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7065
7066 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7067
7068         PR c/22308
7069         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7070         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7071
7072 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
7073
7074         * Makefile.in: Adjust dependencies.
7075         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7076         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7077         * alias.c (rest_of_handle_cfg, pass_cfg): New.
7078         * bb-reorder.c (duplicate_computed_gotos): Make it static.
7079         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7080         rest_of_compilation.
7081
7082         * bb-reorder.c (gate_duplicate_computed_gotos,
7083         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7084         rest_of_handle_reorder_blocks, pass_reorder_blocks,
7085         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7086         pass_partition_blocks): New.
7087         * bt-load.c (gate_handle_branch_target_load_optimize,
7088         rest_of_handle_branch_target_load_optimize,
7089         pass_branch_target_load_optimize): New.
7090         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7091         pass_jump2): New.
7092         * cfglayout.c (pass_insn_locators_initialize): New.
7093         * cfgrtl.c (pass_free_cfg): New.
7094         * combine.c (gate_handle_combine, rest_of_handle_combine,
7095         pass_combine): New.
7096         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7097         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7098         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7099         * except.c (pass_set_nothrow_function_flags,
7100         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7101         pass_rtl_eh): New.
7102         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7103         rest_of_handle_shorten_branches, pass_shorten_branches,
7104         rest_of_clean_state, pass_clean_state): New.
7105         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7106         rest_of_handle_remove_death_notes, pass_remove_death_notes,
7107         rest_of_handle_life, pass_life, rest_of_handle_flow2,
7108         pass_flow2): New.
7109         * function.c (pass_instantiate_virtual_regs, pass_init_function,
7110         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7111         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7112         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7113         pass_gcse): New.
7114         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7115         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7116         pass_rtl_ifcvt, gate_handle_if_after_combine,
7117         rest_of_handle_if_after_combine, pass_if_after_combine,
7118         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7119         pass_if_after_reload): New.
7120         * integrate.c (pass_initial_value_sets): New.
7121         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7122         pass_purge_lineno_notes): New.
7123         * mode-switching.c (rest_of_handle_mode_switching,
7124         pass_mode_switching): New.
7125         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7126         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7127         pass_loop2): New.
7128         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7129         pass_loop_optimize): New.
7130         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7131         pass_sms): New.
7132         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7133         pass_gcse2): New.
7134         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7135         pass_postreload_cse): New.
7136         * profile.c (gate_handle_profiling, pass_profiling,
7137         rest_of_handle_branch_prob, pass_branch_prob): New.
7138         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7139         pass_split_before_regstack, gate_handle_split_before_regstack,
7140         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7141         rest_of_handle_split_all_insns, pass_split_all_insns): New.
7142         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7143         pass_stack_regs): New.
7144         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7145         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7146         pass_stack_adjustments): New.
7147         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7148         pass_regrename): New.
7149         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7150         pass_delay_slots, gate_handle_machine_reorg,
7151         rest_of_handle_machine_reorg, pass_machine_reorg): New.
7152         * rtl.h (extern void purge_line_number_notes): New.
7153         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7154         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7155         pass_sched2): New.
7156         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7157         pass_tracer): New.
7158         * value-prof.c (gate_handle_value_profile_transformations,
7159         rest_of_handle_value_profile_transformations,
7160         pass_value_profile_transformations): New.
7161         * var-tracking.c (gate_handle_var_tracking,
7162         pass_variable_tracking): New.
7163         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7164
7165         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7166         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7167         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7168         rest_of_handle_old_regalloc, rest_of_handle_regrename,
7169         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7170         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7171         rest_of_handle_gcse2, rest_of_handle_regmove,
7172         rest_of_handle_tracer, rest_of_handle_if_conversion,
7173         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7174         rest_of_handle_web, rest_of_handle_branch_prob,
7175         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7176         rest_of_handle_jump_bypass, rest_of_handle_combine,
7177         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7178         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7179         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7180         rest_of_handle_mode_switching, rest_of_handle_jump,
7181         rest_of_handle_eh, rest_of_handle_stack_adjustments,
7182         rest_of_handle_flow2, rest_of_handle_jump2,
7183         rest_of_handle_peephole2, rest_of_handle_postreload,
7184         rest_of_handle_shorten_branches, rest_of_clean_state,
7185         rest_of_compilation): Remove.
7186
7187         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7188         * passes.c (dump_flags, in_gimple_form, all_passes,
7189         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7190         register_dump_files, next_pass_1, last_verified, execute_todo,
7191         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7192         from tree-optimize.c.
7193         (init_optimization_passes): Moved from tree-optimize.c,
7194         adding the RTL optimizations.
7195         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7196         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7197         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7198         register_dump_files, next_pass_1, last_verified, execute_todo,
7199         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7200         init_tree_optimization_passes, ipa_passes): Delete.
7201         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7202         the RTL dumps.
7203         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7204         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7205         from tree.h.
7206         (ipa_passes): Remove.
7207         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7208         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7209         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7210         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7211         (dump_info_p, dump_flag): Moved to tree-dump.h.
7212
7213         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7214         cgraph.c, opts.c.
7215         * passes.c (finish_optimization_passes): Use dump_begin
7216         and dump_end, TDI_end.
7217         (gate_rest_of_compilation): New.
7218         (pass_rest_of_compilation): Use it.
7219         (gate_postreload, pass_postreload): New.
7220         * toplev.c (general_init): Rename init_tree_optimization_passes.
7221         * toplev.h (init_tree_optimization_passes): Rename to
7222         init_optimizations_passes.
7223         * tree-dump.c (dump_flag): Make static.
7224         (dump_files): Remove RTL dumps.
7225         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7226         pass_cleanup_cfg, pass_free_cfg_annotations,
7227         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7228         pass_init_datastructures, pass_fixup_cfg): Make non-static.
7229         * tree-pretty-print.c: Include tree-pass.h.
7230         * cgraph.c: Include tree-dump.h.
7231
7232 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7233
7234         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7235         Only fall back to saying it points to readonly memory if
7236         we can't do better.
7237
7238 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7239
7240         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7241         * config/m32r/m32r.c (m32r_compute_frame_size,
7242         m32r_expand_prologue): Take current_function_profile into
7243         account whenever we reference
7244         current_function_uses_pic_offset_table.
7245         (m32r_finalize_pic): Remove.
7246         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7247
7248 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
7249
7250         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7251         instead of $<.  Don't remove ./as if it already exists.
7252
7253 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7254
7255         PR target/21723
7256         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7257         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7258         for complex modes when generating code for PA 1.0.
7259         (VALID_FP_MODE_P): New macro.
7260         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7261         sets for all general and floating point modes.  Align wide floating
7262         point modes to even register boundaries to comply with architectural
7263         requirements.
7264         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7265         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7266         (VALID_FP_MODE_P): New macro.
7267         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7268         sets for all general and floating point modes.  Align wide floating
7269         point modes to even register boundaries to comply with architectural
7270         requirements.
7271
7272 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7273
7274         * tree-dump.c (dump_files): Initialize dump number for .cgraph
7275         to 0.
7276
7277 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7278
7279         * tree-ssa-structalias.c: Don't include expr.h.
7280
7281 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7282
7283         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7284         comments.
7285
7286 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7287
7288         Fix PR tree-optimization/22279
7289
7290         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7291         correct operator.
7292
7293 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
7294
7295         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7296
7297 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7298
7299         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7300         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7301         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7302         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7303         config/stormy16/stormy16.c, config/v850/v850.c,
7304         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7305         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7306         Avoid "." or "\n" at end of diagnostics and capital letters at
7307         start of diagnostics.
7308         * combine.c, cse.c: Don't translate dump file output.
7309         * toplev.c (print_version): Only translate output if going to
7310         stderr.
7311
7312 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7313
7314         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7315         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7316         typos.
7317
7318 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7319
7320         * pa.c (fix_range): Fix typo in comment.
7321
7322 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7323
7324         * tree-vrp.c (extract_range_from_assert): Replace
7325         fold (build (...)) with fold_build2.
7326
7327 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7328
7329         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7330         gcc_gfc_char_table, init_dynamic_gfc_info): New.
7331         (format_types_orig, handle_format_attribute): Add support for
7332         format "gcc_gfc".
7333
7334 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7335
7336         * varasm.c (assemble_variable): Fix format specifier thinko.
7337
7338 2005-07-03  Ira Rosen  <irar@il.ibm.com>
7339
7340         PR tree-optimization/22029 (and 22135)
7341         * tree-pretty-print.c (dump_generic_node): Check that the node is not
7342         a phi node before calling dump_vops.
7343
7344 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7345
7346         * tree-dump.h (dump_string_field): Declare.
7347         * tree-dump.c: Use it instead of dump_string.
7348         (dump_string_field): Make non-static.
7349
7350 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7351
7352         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7353         up the minimal CFG stuff always when optimize > 0.  Call
7354         split_all_insns_noflow in PIC case if needed.
7355
7356 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7357             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7358
7359         PR c++/18279
7360         * c-decl.c (c_write_global_declarations): Dump contents of
7361         external scope to.
7362         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7363         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7364         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7365         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7366         is enabled.
7367
7368 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7369
7370         * c-common.h (GCC_DIAG_STYLE): Define.
7371         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
7372         version for format checking to 4.1.
7373         * c-format.c: Include toplev.h after c-common.h.
7374         (enum format_type): Add gcc_tdiag_format_type.
7375         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7376         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7377         (format_types_orig): Add gcc_tdiag.
7378         (init_dynamic_diag_info): Support gcc_tdiag formats.
7379         (handle_format_attribute): Likewise.
7380         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7381         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
7382         version for format checking to 4.1.
7383         (warning0, warning, error, pedwarn, sorry): Use
7384         ATTRIBUTE_GCC_DIAG.
7385         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7386         (finish_aliases_1): Do not use %qE.
7387         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7388         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7389         Correct format bugs.
7390         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7391         parameter to unsigned HOST_WIDE_INT.
7392         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7393
7394 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
7395
7396         PR middle-end/21742
7397         * expr.c (write_complex_part): Use adjust_address for MEM.
7398         (read_complex_part): Same.
7399
7400 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
7401
7402         Fix PR tree-optimization/22280
7403
7404         * tree-sra.c (generate_element_init): Remove useless loop.
7405
7406 2005-07-02  Richard Henderson  <rth@redhat.com>
7407
7408         * config/alpha/alpha.c (alpha_legitimize_address): Check for
7409         TLS_MODEL_NONE.
7410         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7411
7412 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
7413
7414         PR middle-end/14490
7415         * fold-const.c (fold_binary): Handle the return value of
7416         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7417         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7418
7419 2005-07-02  Jeff Law  <law@redhat.com>
7420
7421         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7422         a eliminate type conversion which feeds an equality comparison
7423         if the original type or either operand in the comparison is a
7424         function pointer.
7425
7426 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
7427
7428         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7429         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7430         texts.
7431         * config/avr/avr.c: Do not use '`' as left quote.
7432         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7433         Remove "." from end of diagnostics.  Make diagnostics start with
7434         lowercase letter.
7435
7436 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
7437             Joseph S. Myers  <joseph@codesourcery.com>
7438
7439         * toplev.c (default_tree_printer): Handle setting location with
7440         '+' flag.
7441         * c-objc.common.c (c_tree_printer): Likewise.
7442         * c-format.c (gcc_diag_flag_specs): Add '+'.
7443         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7444         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7445         formats.
7446         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7447         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7448         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7449         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7450         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7451         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
7452         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
7453         format arguments where %J is used without %D.
7454
7455 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
7456
7457         * gcc.c (LINK_SSP_SPEC): Define.
7458         (link_ssp_spec): New variable.
7459         (LINK_COMMAND_SPEC): Add %(link_ssp).
7460         (static_specs): Add link_ssp_spec.
7461         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7462         * configure: Rebuilt.
7463         * config.in: Rebuilt.
7464
7465         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7466         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7467         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7468         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7469         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7470         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7471         -0x7008(2) instead of reading __stack_chk_guard variable.
7472         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7473         number.
7474         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7475         (stack_protect_set, stack_protect_test): Use *_tls* patterns
7476         if TARGET_THREAD_SSP_OFFSET is defined.
7477         (stack_tls_protect_set_si, stack_tls_protect_set_di,
7478         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7479
7480         Revert:
7481         2005-06-27  Richard Henderson  <rth@redhat.com>
7482         * libgcc-std.ver (GCC_4.1.0): New.
7483         * libgcc.h (__stack_chk_guard): Declare.
7484         (__stack_chk_fail, __stack_chk_fail_local): Declare.
7485         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7486         * mklibgcc.in (lib2funcs): Add them.
7487
7488 2005-07-01  Richard Henderson  <rth@redhat.com>
7489
7490         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7491         void * before struct sigcontext *.
7492         (x86_fallback_frame_state): Likewise.
7493
7494 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
7495
7496         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7497
7498 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7499
7500         PR tree-opt/22269
7501         * tree-ssa-reassoc.c (should_transpose): Fix which operand
7502         we check for SSA_NAME for.
7503
7504 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
7505
7506         Fix PR tree-optimization/22071
7507
7508         * tree-ssa-structalias.c (offset_overlaps_with_access): New
7509         function.
7510         (get_constraint_for_component_ref): Use it.
7511
7512 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7513
7514         PR other/22264
7515         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7516         print out the last new line.
7517
7518 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
7519
7520         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7521         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7522         * config/cris/cris.c (cris_conditional_register_usage): Adjust
7523         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7524         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7525         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7526         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7527         (enum reg_class): New member CC0_REGS.
7528         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7529         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7530         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7531         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7532         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7533         Adjust for register now described.
7534
7535 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
7536
7537         PR target/22262
7538         * config/i386/i386.md (stack_protect_test_si,
7539         stack_protect_test_di): Add earlyclobber for scratch 3.
7540         * config/rs6000/rs6000.md (stack_protect_testsi,
7541         stack_protect_testdi): Add earlyclobber for scratch 3,
7542         remove earlyclobber from scratch 4.
7543
7544 Older entries for 2005 can be found in ChangeLog-2005.