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