OSDN Git Service

* contrib.texi: Add the names of the LLNL folks who donated
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2
3         * contrib.texi: Add the names of the LLNL folks who donated
4         Cray pointer support for gfortran.
5
6 2005-10-24  Steven Bosscher  <stevenb@suse.de>
7
8         PR tree-optimization/24225
9         * profile.c (branch_prob): Look from end to start through a
10         basic block when looking for a locus.
11
12 2005-10-24  Richard Henderson  <rth@redhat.com>
13
14         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
15         parallel.
16         (hppa_expand_prologue): Likewise.
17
18 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19
20         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
21         (NO_DEFERRED_PROFILE_COUNTERS): Define.
22         * pa.h (NO_PROFILE_COUNTERS): Define.
23         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
24         (funcdef_nos): New vector to hold label numbers of deferred profile
25         counters.
26         (output_deferred_profile_counters): New function.
27         (hppa_profile_hook): Push label number onto funcdef_nos.
28         (pa_hpux_file_end): Call output_deferred_profile_counters if
29         NO_DEFERRED_PROFILE_COUNTERS is false.
30
31         * pa-protos.h (get_deferred_plabel): New prototype.
32         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
33         Make global.
34         (output_call): Adjust calls.
35
36 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
37
38         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
39         peculiarity of GOT/TOC section usage.
40
41 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
42
43         PR objc/24435
44          * c-common.c (constant_string_class_name): Add documentation.
45
46 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
47
48         PR target/23832
49         * recog.c (peephole2_optimize): Increment peep2_current_count
50         only when the slot is empty.
51
52 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
53
54         PR ada/23957
55         * except.c (output_function_exception_table): Call
56         assemble_external_libcall if we need a personality function.
57
58 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
59
60         PR rtl-optimization/24460
61         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
62         set the basic block for barriers.
63
64 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
65
66         * var-tracking.c (vt_initialize): Initialize post.
67
68 2005-10-21  Devang Patel  <dpatel@apple.com>
69
70         PR/24220
71         * c-common.c (vector_types_convertible_p): Check vector element type.
72         
73 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
74
75         * config/sh/sh.c (prepare_move_operands): Handle the address
76         constant which is a tls symbolic address plus a constant.
77
78 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
79
80         PR driver/24473
81         * gcc.c (main): Use the correct counter for erroring out
82         about mulitple files.
83
84 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
85
86         PR target/24465
87         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
88         use r2 for 64-bit tls .got access.
89
90 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
91
92         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
93         TRUTH_OR_EXPR.
94
95 2005-10-20  Steven Bosscher  <stevenb@suse.de>
96
97         PR tree-optimization/24307
98         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
99
100 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
101
102         PR middle-end/24295
103         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
104         alias targets.
105         * varasm.c (find_decl_and_mark_needed): After cgraph global info
106         is ready, stop marking functions, but still mark variables.
107
108 2005-10-20  Richard Guenther  <rguenther@suse.de>
109
110         PR c++/24439
111         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
112         void type operands.
113
114 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
115
116         PR rtl-optimization/23585
117         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
118         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
119         (may_trap_p_1): New predicate extracted from...
120         (may_trap_p): ... here.  Invoke may_trap_p_1.
121         (may_trap_or_fault_p): New predicate.
122         * rtl.h (may_trap_or_fault_p): Declare it.
123         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
124         instead of may_trap_p.
125         (steal_delay_list_from_fallthrough): Likewise.
126         (fill_simple_delay_slots): Likewise.
127         (fill_slots_from_thread): Likewise.
128         * function.c (pad_to_arg_alignment): Rework comment about
129         SPARC_STACK_BOUNDARY_HACK.
130         * config/sparc/sparc.h: Likewise.
131
132 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
133
134         * config/s390/s390.c (s390_expand_insv): New.
135         * config/s390/s390-protos.h (s390_expand_insv): Declare.
136         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
137         ("icm_hi"): Remove mode attribute.
138         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
139         Adjust all uses.
140         ("*extracthi", "*extractqi"): Remove.
141         (extv<mode>", "*extzv<mode>"): New.
142         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
143         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
144
145 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
146
147         * cfgexpand.c (discover_nonconstant_array_refs_r,
148         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
149         (tree_expand_cfg): Call discover_nonconstant_array_refs.
150         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
151         discover_nonconstant_array_refs.
152
153 2005-10-19  Steven Bosscher  <stevenb@suse.de>
154
155         PR c/23228
156         * c-decl.c (pop_scope): Don't warn about an unused variable
157         if it is marked with TREE_NO_WARNING.
158         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
159         somenow mismatch and olddecl is to be replaced.
160
161 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
162
163         PR middle-end/23199
164         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
165         whether registers live on the edge can be saved/restored.
166
167 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
168
169         * config/sh/sh.c (fixup_mova): Skip notes.
170
171 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
172
173         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
174         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
175         (s390_can_eliminate): Handle BASE_REGNUM elimination.
176         (s390_initial_elimination_offset): Likewise.
177         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
178         register on TARGET_ZARCH targets.
179         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
180         (INITIAL_FRAME_POINTER_OFFSET): Remove.
181         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
182         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
183
184 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
185
186         * config/s390/s390.md: Comment describing output modifiers updated.
187         * config/s390/s390.c (print_operand): Likewise.
188
189 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
190
191         * config/s390/s390.c (override_options): Added check for -mstack-size
192         64k limitation.
193         * doc/invoke.texi: Mention that limit in the documenation.
194
195 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
196
197         PR #19672
198         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
199
200 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
201
202         Fix PR tree-optimization/24231
203
204         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
205         (compute_avail): Ditto.
206
207 2005-10-18  Richard Henderson  <rth@redhat.com>
208
209         PR target/24428
210         * config/i386/i386.c (legitimate_constant_p): Check
211         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
212         if LABEL_REF.
213         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
214         (legitimate_pic_address_disp_p): Reorg CONST checking to make
215         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
216         directly.
217         (print_operand_address): Likewise.
218         * config/i386/predicates.md (x86_64_immediate_operand): Test
219         SYMBOL_REF_TLS_MODEL properly inside CONST.
220         (x86_64_zext_immediate_operand): Likewise.
221         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
222         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
223         * config/i386/i386-protos.h: Remove predicates.md entries.
224
225 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
226
227         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
228         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
229
230 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
231             Ian Lance Taylor <ian@airs.com>
232
233         PR middle-end/23522
234         * fold-const.c (fold_widened_comparison): Do not allow range based
235         constant folding when right operand cannot be unwidened.
236
237 2005-10-17  Richard Henderson  <rth@redhat.com>
238
239         * builtins.c (expand_builtin_synchronize): Build a new-style asm
240         with a memory clobber.
241
242 2005-10-17  James E Wilson  <wilson@specifix.com>
243
244         PR rtl-optimization/17356
245         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
246         checking for EDGE_EH.
247
248 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
249
250         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
251         the slot on an even boundary for any type with 16-byte alignment.
252
253 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
254
255         PR target/23424
256         * md.texi (Modifiers) <%>: Clarify that % doesn't work
257         after register allocation.
258
259 2005-10-17  DJ Delorie  <dj@redhat.com>
260
261         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
262         as frame related.
263
264 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
265
266         PR c++/22551
267         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
268         overflow flags.
269
270 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
271
272         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
273         to 2 if it's already non-zero.
274         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
275         is set and warn about it if flag_schedule_insns is 1.
276
277 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
278
279         * config/crx/crx.md: Compare-and-branch instructions need to
280         invalidate CC.
281
282 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
283
284         PR target/24315
285         * config/i386/i386.md (*pushdi2_rex64 splitter)
286         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
287         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
288         flow2 pass only when (optimize > 0 && flag_peephole2).
289
290 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
291
292         PR driver/22544
293         * gcc.c (have_c): New static variable.
294         (have_o): Likewise.
295         (process_command): Remove declation of have_c.
296         Set have_o to 1 when handling -o.
297         (main): Add a fatel error if there are multiple
298         files specified and -o and -c/-S is passed witout
299         -combine or multiple languages.
300
301 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
302
303         Fix PR tree-optimization/22444
304         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
305         Assert that we don't hit something with subvars.
306         (setup_pointers_and_addressables): Don't add things with subvars,
307         because we'll already process the subvars for aliasing purposes.
308
309 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
310
311         PR target/23424
312         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
313         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
314         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
315         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
316         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
317         swapped, alternatives for the R constraint.
318
319         PR middle-end/24341
320         * builtins.c (get_builtin_sync_mode): Make unlimited
321         mode_for_size request.
322
323 2005-10-15  Richard Henderson  <rth@redhat.com>
324
325         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
326         (gimplify_expr): ... here.
327         (gimplify_compound_lval): Use it in initial scan loop.  Allow
328         fb_lvalue in base expression.
329
330 2005-10-15  Richard Henderson  <rth@redhat.com>
331
332         PR 23714
333         * builtins.c (expand_builtin_trap): Export.
334         * expr.h (expand_builtin_trap): Declare.
335         * expr.c (expand_assignment): Emit a trap for integral offsets 
336         from registers that weren't reduced to bitpos.
337
338         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
339         (mark_array_ref_addressable): Remove.
340         * tree-flow.h (mark_array_ref_addressable): Remove.
341         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
342
343 2005-10-15  James E Wilson  <wilson@specifix.com>
344
345         PR target/24232
346         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
347         (add_dependence_list_and_free): Likewise.
348         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
349         call.
350
351 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
352
353         PR 23141
354         PR 23142
355         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
356         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
357         anti-range.
358         (vrp_visit_phi_node): Only prevent infinite iterations when
359         the previous result and the new result are both VR_RANGEs.
360
361 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
362
363         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
364         function comment.
365
366 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
367
368         PR c/23439
369         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
370         to initialize loc.
371
372 2005-10-14  Per Bothner  <per@bothner.com>
373
374         PR preprocessor/21250
375         * c-ppoutput.c (print_line): Print internal line 0 as 1.
376
377 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
378
379         PR c++/22551
380         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
381         overflow flags.  Refactor some conditionals.
382
383 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
384
385         PR tree-opt/21304
386         * tree-dfa.c (add_referenced_var): Only look at decls which
387         have TREE_CONSTANT or TREE_READONLY set instead of if
388         !TREE_PUBLIC or !TREE_CONSTANT.
389
390 2005-10-13  James E Wilson  <wilson@specifix.com>
391
392         * doc/invoke.texi: For -x, add f95-cpp-input.
393         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
394
395 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
396
397         PR tree-optimization/24262
398         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
399         in loop all the time.
400
401 2005-10-12  Richard Henderson  <rth@redhat.com>
402
403         PR c/24255
404         * tree.h (DECL_TRANSPARENT_UNION): Remove.
405         * function.c (assign_parm_find_data_types): Don't support it.
406         * print-tree.c (print_node): Likewise.
407         * c-common.c (handle_transparent_union_attribute): Likewise.
408         Use build_duplicate_type.
409         * tree-inline.c (remap_type_1): Split out of remap_type;
410         properly remap aggregate fields.
411         (build_duplicate_type): New.
412         * doc/extend.texi (Variable Attributes): Remove documentation
413         for transparent_union.
414
415 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
416
417         PR target/24284
418         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
419         (gen_stack_pointer_dec): Likewise.
420
421 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
422
423         PR middle-end/21275
424         PR middle-end/21766
425         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
426         target hook.
427         (struct cxx): Add adjust_class_at_definition target hook.
428         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
429         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
430         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
431         hook_void_tree. Add to TARGET_CXX.
432         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
433         dllimport_flag.
434         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
435         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
436         instead of attribute. Check for dllexport override.  Warn if
437         inconsistent dll linkage. Don't lose old dllimport if decl has
438         had address referenced.   Tweak lookup of dllimport atribute.  
439         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
440         for target specific rules.  Don't add dllimport attribute if
441         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
442         dllimport attribute. 
443         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
444         * varasm.c (initializer_constant_valid_p): Replace
445         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
446
447         PR target/21801
448         PR target/23589
449         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
450         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
451         (i[34567]86-*-mingw32*): Likewise.
452
453         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
454         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
455                         
456         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
457         C++-specific code. Change return value to bool. 
458         (i386_pe_dllimport_p): Likewise.
459         (associated_type): Simplify and make language-independent
460         (i386_pe_encode_section_info): Replace override of ambiguous
461         dllimport symbol refs with a gcc_assert.
462         (i386_pe_valid_dllimport_attribute_p): Define.
463         * config/i386/winnt-cxx.c: New file. Define C++ versions of
464         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
465         i386_pe_adjust_class_at_definition.
466         * config/i386/winnt-stubs.c: New file. Define stub versions of
467         lang-specific functions.
468         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
469         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
470         i386_pe_adjust_class_at_definition.
471         (i386_pe_valid_dllimport_attribute_p): Declare. 
472         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
473         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
474         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
475
476         PR target/19704
477         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
478         dllimport attribute with test of DECL_DLLIMPORT_P.
479
480 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
481
482         * combine.c (make_extraction): Correct offset computation.
483
484 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
485
486         * config/cris/t-linux (LIMITS_H_TEST): Define.
487
488 2005-10-12  Richard Henderson  <rth@redhat.com>
489
490         PR rtl-opt/23324
491         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
492
493 2005-10-12  Richard Guenther  <rguenther@suse.de>
494
495         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
496
497 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
498
499         PR c++/19964
500         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
501         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
502         type.
503
504 2005-10-12  Richard Guenther  <rguenther@suse.de>
505
506         PR c++/23799
507         * varasm.c (output_constant): Correct typo from previous
508         patch by DJ.
509
510 2005-10-11  Ian Lance Taylor  <ian@airs.com>
511
512         PR rtl-optimization/13931
513         * combine.c: Revert patch of 2003-05-14, and:
514         (try_combine): Only set elim_i1 and elim_i2 if the destination is
515         completely killed in the appropriate insn.
516         (distribute_notes): Don't skip multiple hard register test for
517         elim_i1 and elim_i2.
518
519 2005-10-11  Richard Henderson  <rth@redhat.com>
520
521         PR c/24255
522         * c-typeck.c (convert_for_assignment): Use build_constructor_single
523         to initialize a transparent union instead of a nop_expr.
524
525 2005-10-11  Richard Henderson  <rth@redhat.com>
526
527         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
528         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
529         (tree_ssa_dce_loop): Call scev_reset.
530
531         PR tree-opt/24300
532         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
533         * tree-ssa-dce.c: Include cfgloop.h.
534         (tree_ssa_dce_loop, pass_dce_loop): New.
535         * tree-pass.h (pass_dce_loop): Declare it.
536         * passes.c (init_optimization_passes): Use it.
537
538 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
539
540         PR middle-end/24263 
541         * convert.c (convert_to_real): Revert 2005-10-05 patch.
542         Only apply the optimization for rounding builtins if the inner
543         cast is also an extension.
544
545 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
546
547         PR tree-opt/23946
548         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
549         mark_new_vars_to_rename instead of update_stmt.
550
551 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
552
553         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
554
555 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
556
557         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
558         for setting MMX register to 0 rather than mmx.
559
560 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
561
562         PR target/12098
563         * configure.ac: Move gas check from mips specific case to common case.
564         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
565         * configure: Regenerate
566         * doc/install.texi: Update.
567
568 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
569
570         PR target/24284
571         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
572
573 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
574
575         * gcc.c (do_spec_1): Accept numeric characters in file name
576         suffixes.
577
578 2005-10-10  Nick Clifton  <nickc@redhat.com>
579
580         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
581         describing the deleted arm_gen_rotated_half_load function.
582
583 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
584
585         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
586         __fpscr_values.
587
588 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
589
590         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
591         gnu_ld assignments.
592         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
593         (EXTRA_MULTILIB_PARTS): Define.
594         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
595         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
596         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
597         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
598         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
599         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
600
601 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
602
603         PR tree-optimization/24226
604         * tree-cfg.c (remove_bb): Clean up unreachable loops.
605         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
606         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
607         Export.
608
609 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
610
611         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
612
613 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
614
615         PR target/24136
616         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
617         Rewrite for no need for the early clobber.
618
619 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
620
621         Merge from csl-arm-branch:
622         2005-09-07  Paul Brook  <paul@codesourcery.com>
623         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
624         space to string.
625
626         2005-04-30  Paul Brook  <paul@codesourcery.com>
627         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
628         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
629
630         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
631         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
632         (arm_override_options): Use TARGET_AAPCS_BASED.
633         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
634         (PTRDIFF_TYPE): Use int for AAPCS.
635         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
636         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
637         (DEFAULT_SHORT_ENUMS): Delete.
638         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
639
640         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
641         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
642         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
643         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
644
645         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
646         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
647
648         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
649         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
650  
651         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
652         * config.gcc (arm*-*-linux-gnueabi): Add it.
653         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
654         redefining it.
655         (TARGET_OS_CPP_BUILTINS): Likeiwse.
656         * config/arm/linux-eabi.h: New file.
657         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
658         (LINUX_TARET_LINK_SPEC): Likewise.
659         (LINK_SPEC): Use it.
660         * config/arm/t-linux-eabi: New file.
661
662 2005-10-08  Steven Bosscher  <stevenb@suse.de>
663
664         PR other/22202
665         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
666         spaces.
667         (PARAM_SMS_DFA_HISTORY): Likewise.
668
669 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
670
671         PR middle-end/23150
672         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
673         (load_register_parameters): Call it.
674         (check_sibcall_argument_overlap_1): Likewise.
675         (store_one_arg): Likewise.
676
677 2005-10-07  James E. Wilson  <wilson@specifix.com>
678
679         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
680         DImode not VECINT24 for operand 2.
681
682         PR target/23644
683         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
684         -mtune-arch.
685
686         PR target/24193
687         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
688         fr_spill): Use destination_operand for operand 0.
689
690 2005-10-07  DJ Delorie  <dj@redhat.com>
691
692         * varasm.c (output_constant): Limit error to expanding
693         conversions.
694
695 2005-10-07  Richard Guenther  <rguenther@suse.de>
696
697         PR middle-end/24227
698         * fold-const.c (fold_binary): Fix operand types during folding
699         of X op (A, Y).  Evaluation order of the side-effects of
700         X and A are frontend-defined, so ensure we honour that even for
701         tcc_comparison class operands; eased by removing duplicate code.
702
703 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
704
705         * stor-layout.c (layout_type): Do not allow alignment of array
706         elements to be greater than their size.
707
708 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
709
710         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
711         host_xmake_file.
712         (hppa*-*-linux*): Ditto.
713         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
714         * config/host-hpux.c: New.
715         * config/x-hpux: New.
716         * config/pa/x-hpux: Remove.
717         * config/pa/x-linux: Remove.
718         * config/pa/pa-host.c: Remove.
719
720 2005-10-07  Jeff Law  <law@redhat.com>
721
722         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
723         determine whether or not to try and thread outgoing edges.
724
725 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
726
727         * config/rs6000/rs6000.md (eqsi_power): New.
728         (neg_eq0si): Add TARGET_POWER to final condition.
729         (neg_eqsi): Same.
730
731 2005-10-06  Richard Henderson  <rth@redhat.com>
732
733         * config/rs6000/rs6000.c: Revert last change.
734
735 2005-10-06  Richard Henderson  <rth@redhat.com>
736
737         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
738         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
739
740 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
741
742         PR middle-end/22216
743         PR middle-end/23651
744         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
745         out return_label and naked_return_label.
746
747 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
748         
749         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
750         change.
751
752 2005-10-06  Richard Henderson  <rth@redhat.com>
753
754         PR tree-opt/22237
755         * tree-inline.c (declare_return_variable): Handle modify_dest not
756         being a DECL.
757
758 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
759         
760         Fix PR tree-optimization/22488
761         * tree-ssa-structalias.c (check_for_overlaps): New function.
762         (create_variable_info_for): Use it.
763
764 2005-10-06  Richard Henderson  <rth@redhat.com>
765
766         PR debug/24070
767         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
768         (dwarf2out_start_source_file): Print it.
769
770 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
771
772         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
773
774 2005-10-06  Richard Henderson  <rth@redhat.com>
775
776         PR 23706
777         * mode-switching.c (optimize_mode_switching): Clear transp bit
778         for block with incomming abnormal edges.
779
780         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
781         (fpscr_set_from_mem): Use them.
782         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
783         (fpscr postinc splitters): Rewrite as peephole2+split.
784
785 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
786
787         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
788         (eq<mode>_compare): Same.
789
790 2005-10-06  Richard Guenther  <rguenther@suse.de>
791
792         PR tree-optimization/24238
793         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
794
795 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
796
797         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
798         here.  Use AC_PATH_PROG for environment variables instead of
799         test -x.
800         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
801         objdump also.
802         * configure: Regenerated.
803
804 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
805
806         PR target/23783
807         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
808         then force it into a register.
809         (call_value): Likewise.
810
811 2005-10-06  Richard Henderson  <rth@redhat.com>
812
813         PR 24049
814         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
815         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
816         under pass_vectorize.
817
818 2005-10-05  Devang Patel  <dpatel@apple.com>
819
820         PR Debug/23205
821         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
822         handling constants. Check NAMESPACE_DECL context for constants.
823         
824 2005-10-05  Eric Christopher  <echristo@apple.com>
825
826         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
827
828 2005-10-05  Richard Henderson  <rth@redhat.com>
829
830         PR 23714
831         * tree-cfg.c (mark_array_ref_addressable_1): New.
832         (mark_array_ref_addressable): New.
833         * tree-flow.h (mark_array_ref_addressable): Declare.
834         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
835
836 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
837
838         PR middle-end/20606
839         PR middle-end/24069
840         * reload.c (subst_reloads): When adding a REG_LABEL to a
841         jump instruction, also update JUMP_LABEL.
842
843 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
844
845         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
846         * bb-reorder.c (copy_bb_p): Use it.
847         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
848
849 2005-10-05  Richard Henderson  <rth@redhat.com>
850
851         PR target/23602
852         * toplev.c (process_options): Warn about unsupported combinations
853         of unwind tables and omit-frame-pointer.
854         * config/i386/i386.c (override_options): Similarly.  Enable
855         accumulate-outgoing-args if not explicitly disabled.
856
857 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
858
859         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
860         Handle big endian vs. small endian.
861         (vec_initv2sf): Handle big endian vs. small endian.
862         (*vec_extractv2sf_1): Ditto.
863
864 2005-10-05  Dale Johannesen  <dalej@apple.com>
865
866         * convert.c (convert_to_real):  Don't convert
867         (float)floor(double d) to floorf((float)d).
868
869 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
870
871         * config/arm/arm.md (insv): Use gen_int_mode in more places.
872
873 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
874
875         PR tree-optimization/18587
876         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
877         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
878         build_vuses): Change to VEC type.
879         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
880         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
881         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
882         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
883         (get_name_decl): New.  Return DECL_UID of base variable.
884         (operand_build_cmp): New.  qsort comparison routine.
885         (operand_build_sort_virtual): New.  Sort virtual build vector.
886         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
887         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
888         (FINALIZE_BASE): Use get_name_decl.
889         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
890         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
891         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
892         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
893         direct VEC_* manipulations.
894         (build_ssa_operands): Call operand_build_sort_virtual.
895         (copy_virtual_operand, create_ssa_artficial_load_stmt,
896         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
897         with direct VEC_* manipulations.
898         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
899         with direct VEC manipulations.
900
901 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
902
903         PR tree-optimization/21419
904         PR tree-optimization/24146
905         PR tree-optimization/24151
906
907         * c-typeck.c (readonly_error): Handle USE being lv_asm.
908         (build_asm_expr): Call it if outputs are read-only.
909         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
910
911 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
912             Paolo Bonzini  <bonzini@gnu.org>
913
914         PR target/23809
915
916         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
917         enable the instructions and not just the built-ins.
918         * doc/invoke.texi (x86 Options): Likewise.
919
920 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
921
922         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
923
924         * doc/invoke.texi (Option Summary): Correct spelling
925         of -mmacosx-version-min.
926
927 2005-10-04  Devang Patel  <dpatel@apple.com>
928
929         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
930         real types.
931
932 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
933
934         * tree-vect-transform.c (vect_create_epilog_for_reduction):
935         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
936
937 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
938
939         * config/s390/s390.md ("TDSI","DP"): New mode macros.
940         ("TE","tg"): New mode attributes.
941         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
942         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
943         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
944         dword_mode and one for GPRmode.
945
946 2005-10-04  Ian Lance Taylor  <ian@airs.com>
947
948         PR preprocessor/13726
949         * c-ppoutput.c (cb_include): Add comments parameter, and print out
950         any comments passed in.
951
952 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
953
954         * tree.c (annotate_with_file_line): Fix typo.
955
956 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
957
958         PR ada/19382
959         * builtins.c (fold_builtin_memcmp): When constructing the pointer
960         type used to access data in the inlined length == 1 case, use
961         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
962         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
963
964 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
965
966         * config/i386/i386.h (TARGET_FISTTP): Enable also for
967         TARGET_SSE3 and only for TARGET_80387.
968         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
969         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
970         Do not depend on TARGET_80387.
971
972 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
973
974         * tree.c (last_annotated_node): Change type to location_t*.
975         (annotate_with_file_line): Reflect the change of
976         last_annotated_node type.
977
978 2005-10-04  Richard Guenther  <rguenther@suse.de>
979
980         PR c/23576
981         * c-decl.c (grokdeclarator): Don't write to fields
982         of error_mark_node.
983
984 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
985
986         PR middle-end/23125
987         * c-decl.c (finish_decl): Use set_user_assembler_name even for
988         register variables.
989         * varasm.c (make_decl_rtl): If a register variable does not
990         have a set user assmbler name, error out.
991         Decode the asmspec is now name+1 bypassing '*'.
992
993 2005-10-04  Steven Bosscher  <stevenb@suse.de>
994
995         PR tree-optimization/23049
996         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
997         of a COND_EXPR is folded before calling fold on the whole rhs of a
998         conditional assignment.
999         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1000         document that a COND_EXPR may appear there.
1001
1002 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
1003
1004         PR 23445
1005         * tree-vrp.c (extract_range_from_assert): If the new numeric
1006         range created out of the assertion contradicts the existing
1007         numeric range of the ASSERT_EXPR variable, make the new range
1008         varying.
1009
1010 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1011
1012         * config/sh/sh.c (sh_register_move_cost): Add case for moving
1013         from T_REGS to FP register class.
1014
1015 2005-10-03  Richard Henderson  <rth@redhat.com>
1016
1017         PR 24135
1018         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1019         before creating a new one.
1020
1021 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
1022
1023         * config/rs6000/t-aix43 (LDFLAGS): New.
1024         * config/rs6000/t-aix52 (LDFLAGS): New.
1025
1026 2005-10-03  Ian Lance Taylor  <ian@airs.com>
1027
1028         * gimplify.c (find_single_pointer_decl_1): New static function.
1029         (find_single_pointer_decl): New static function.
1030         (internal_get_tmp_var): For a formal variable, set restrict base
1031         information if appropriate.
1032         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1033         return it.
1034         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1035         (DECL_GET_RESTRICT_BASE): Define.
1036         (SET_DECL_RESTRICT_BASE): Define.
1037         (decl_restrict_base_lookup): Declare.
1038         (decl_restrict_base_insert): Declare.
1039         (struct tree_decl_with_vis): Add based_on_restrict_p field.
1040         * tree.c (restrict_base_for_decl): New static variable.
1041         (init_ttree): Initialize restrict_base_for_decl.
1042         (copy_node_stat): Copy restrict base information.
1043         (decl_restrict_base_lookup): New function.
1044         (decl_restrict_base_insert): New function.
1045         (print_restrict_base_statistics): New static function.
1046         (dump_tree_statistics): Call print_restrict_base_statistics.
1047
1048 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
1049
1050         PR 24142
1051         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1052         case of anti-ranges.
1053
1054 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
1055
1056         PR c/18851
1057         * c-typeck.c (tagged_tu_seen): Rename to ...
1058         (tagged_tu_seen_cache): this and add val field.
1059         (comptypes): Move functional to comptypes_internal
1060         and free tagged_tu_seen.
1061         (comptypes_internal): New function and call comptypes_internal
1062         instead of comptypes. Speed up by sibcalling
1063         tagged_types_tu_compatible_p.
1064         (alloc_tagged_tu_seen): New function
1065         (free_all_tagged_tu_seen_up_to): New function.
1066         (tagged_types_tu_compatible_p): Return the val of the seen two
1067         types.
1068         Add that the two types are the same to tagged_tu_seen_base
1069         if they are and call comptypes_internal instead of comptypes.
1070         <case UNION_TYPE>: Speed up common type where the fields are
1071         in the same order.
1072         (function_types_compatible_p): Call comptypes_internal instead of
1073         comptypes.
1074         (type_lists_compatible_p): Likewise.
1075         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1076
1077 2005-10-02  Matthias Klose  <doko@debian.org>
1078
1079         * doc/invoke.texi: Fix typo and speling error.
1080
1081 2005-10-01  Richard Henderson  <rth@redhat.com>
1082
1083         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1084
1085 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
1086
1087         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1088         using --start-group and --end-group.
1089
1090 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1091
1092         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1093         FIXME note regarding quirky semantics.
1094
1095 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1096
1097         PR 24141
1098         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1099         non-null range as a last resort.
1100
1101 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
1102             Diego Novillo  <dnovillo@redhat.com>
1103
1104         PR 23604
1105         * tree-vrp.c (extract_range_from_assert): For !=
1106         assertions, only build an anti-range if LIMIT is a
1107         single-valued range.
1108
1109 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1110
1111         * arm.md (movqi): On thumb when optimizing, handle loading from
1112         memory by describing this as taking a subreg of a zero-extended load
1113         into an SImode register.
1114         (movhi): Likewise.
1115
1116 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
1117
1118         * reload1.c (merge_assigned_reloads): Do not change any
1119         RELOAD_FOR_OUTPUT_ADDRESS reloads.
1120
1121 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
1122
1123         * Makefile.in (LIPO_FOR_TARGET): Define.
1124         (STRIP_FOR_TARGET): Define.
1125
1126         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1127         before creating new ones.  Do symlinks before creating the actual
1128         targets.
1129
1130         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1131         to work out which multilibs are actually being built.
1132
1133 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
1134
1135         * tree-vect-transform.c, config/ms1/ms1.md,
1136         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1137         Follow spelling conventions.
1138         * doc/invoke.texi, doc/md.texi: Fix typos.
1139
1140 2005-09-30  Andrew Macleod  <amacleod@redat.com>
1141
1142         PR tree-optimization/21430
1143         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1144         use operands, and set stmt pointer if need be.
1145         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1146         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1147         present.
1148
1149 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1150
1151         PR middle-end/24053
1152         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1153
1154 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
1155
1156         * optabs.c (expand_binop): Initialize first_pass_p.
1157
1158 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
1159
1160         PR middle-end/24109
1161         * c-decl.c (c_write_global_declarations_1): If any
1162         wrapup_global_declaration_2 call returned true, restart the loop.
1163
1164 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
1165
1166         Fix PR tree-optimization/24117
1167         * tree-ssa-structalias.c (find_func_aliases): Strip nops
1168         before considering whether to use anyoffset.
1169
1170 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1171
1172         Revert this patch:
1173
1174         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1175
1176         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1177         to order operands.
1178         (swap_commutative_operands_with_target): New.
1179
1180 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1181
1182         PR c/21419
1183         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1184         read-only.
1185
1186 2005-09-29  Steven Bosscher  <stevenb@suse.de>
1187
1188         PR tree-optimization/23911
1189         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1190         and IMAGPART_EXPR too.
1191
1192 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
1193
1194         PR 17886
1195         * expmed.c (expand_shift): Move logic to reverse rotation
1196         direction when  rotating by constants ...
1197         * optabs.c (expand_binop): ... here.
1198         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1199         (ix86_rotrdi3): New pattern.
1200         (rotldi3): Handle 32-bit mode.
1201         (ix86_rotldi3): New pattern.
1202
1203 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
1204
1205         PR target/24102
1206         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1207         check for numbers that need no bit twiddle.
1208
1209 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
1210
1211         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1212         multilib to be built.
1213
1214         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1215         (stage1-start): Delete old libgcc and libunwind before moving
1216         anything into the stage directory.
1217         (stage2-start): Likewise.
1218         (stage3-start): Likewise.
1219         (stage4-start): Likewise.
1220         (stageprofile-start): Likewise.
1221         (stagefeedback-start): Likewise.
1222         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1223         header in tm_file and CPU-specific t-darwin in tmake_file.
1224         (i[34567]86-*-darwin*): Don't change tm_file.
1225         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1226         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1227         shared library stub for target OS version.
1228         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1229         (SHLIB_LINK): Don't make SHLIB_SOLINK.
1230         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1231         (libgcc_s.%.dylib): New.
1232         (LIBGCC): Define.
1233         (install-darwin-libgcc-stubs): New.
1234         (INSTALL_LIBGCC): New append.
1235         * config/i386/darwin-libgcc.10.4.ver: New.
1236         * config/i386/darwin-libgcc.10.5.ver: New.
1237         * config/i386/t-darwin: New.
1238         * config/rs6000/darwin-libgcc.10.4.ver: New.
1239         * config/rs6000/darwin-libgcc.10.5.ver: New.
1240         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1241         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1242
1243 2005-09-28  Paul Brook  <paul@codesourcery.com>
1244
1245         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1246         denormals.
1247
1248 2005-09-28  Richard Guenther  <rguenther@suse.de>
1249
1250         PR tree-optimization/23853
1251         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1252         host_integerp to verify misalignment value.
1253
1254 2005-09-28  Richard Henderson  <rth@redhat.com>
1255
1256         * builtins.c (get_builtin_sync_mode): New.
1257         (expand_builtin_sync_operation): Pass in mode argument.
1258         (expand_builtin_compare_and_swap): Likewise.
1259         (expand_builtin_lock_test_and_set): Likewise.
1260         (expand_builtin_lock_release): Likewise.
1261         (expand_builtin): Update to match.
1262
1263 2005-09-28  Nick Clifton  <nickc@redhat.com>
1264
1265         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1266         formatting.  Add check to PLUS case to ensure that the offset is
1267         within an acceptable range.
1268
1269         * config/v850/v850.md (casesi): Disable the generation of the
1270         switch pattern as it is not being handled properly at the moment.
1271
1272         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1273         for when the high words are identical.
1274
1275 2005-09-27  Richard Henderson  <rth@redhat.com>
1276
1277         * pretty-print.c (pp_base_format): Fix typo for %>.
1278
1279 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
1280             Devang Patel  <dpatel@apple.com>
1281
1282         PR tree-optimization/23625
1283         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1284         LABEL_EXPR, assertion check.
1285
1286 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
1287
1288         * optabs.c (no_conflict_move_test): Check if a result of a
1289         to-be-moved insn would be clobbered by an originally
1290         preceding insn.
1291
1292 2005-09-27  Jeff Law  <law@redhat.com>
1293
1294         * passes.c (init_optimization_passes): Replace copy propagation
1295         passes immediately after DOM with phi-only copy propagation
1296         pases.  Add phi-only copy propagation pass after first DOM pass.
1297         * tree-pass.h (pass_phi_only_copy_prop): Declare.
1298         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1299         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1300         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
1301         to init_copy_prop.  Callers updated.
1302         (do_phi_only_copy_prop): New function.
1303         (pass_phi_only_copy_prop): New pass descriptor.
1304
1305 2005-09-27  Nick Clifton  <nickc@redhat.com>
1306
1307         * libgcc2.c (__popcount_tab): Remove redundant prototype.
1308
1309 2005-09-26  Jason Merrill  <jason@redhat.com>
1310
1311         PR c++/13764
1312         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1313
1314         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1315
1316 2005-09-26  James E Wilson  <wilson@specifix.com>
1317
1318         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1319         copyright.  Add gcc copyright plus libgcc exception.
1320         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
1321         copyright.
1322         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1323
1324 2005-09-26  Jeff Law  <law@redhat.com>
1325
1326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1327         about when to iterate.
1328
1329 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
1330
1331         PR target/23847
1332         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1333         for __complex__ double in -mcpu=G5 mode.
1334
1335 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
1336
1337         PR tree-optimization/23942
1338         * Makefile.in (SCEV_H): Depends on PARAMS_H.
1339         * tree-scalar-evolution.c: Include params.h.
1340         (t_bool): New enum.
1341         (follow_ssa_edge, follow_ssa_edge_in_rhs,
1342         follow_ssa_edge_in_condition_phi_branch,
1343         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1344         Change return type to t_bool.  Use a parameter to limit the size of
1345         trees that are walked before stopping
1346         (analyze_evolution_in_loop): Initialize the limit to 0.
1347         (follow_ssa_edge): Give up by returning t_dont_know if the limit
1348         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1349
1350 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1351
1352         PR middle-end/23831
1353         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1354         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1355
1356 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
1357
1358         * combine.c (make_extraction): Check for valid use of subreg.
1359
1360 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1361
1362         PR target/24055
1363         * config/i386/i386.md ("*fistdi2_1"): New pattern.
1364         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1365         ("fist<mode>2_with_temp"): Use only register operands.
1366
1367 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
1368
1369         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1370         CALL_INSN_FUNCTION_USAGE.
1371
1372 2005-09-26  Richard Guenther  <rguenther@suse.de>
1373
1374         PR middle-end/15855
1375         * gcse.c: Include hashtab.h, define ldst entry hashtable.
1376         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1377         (ldst_entry): Use the hashtable instead of list-walking.
1378         (find_rtx_in_ldst): Likewise.
1379         (free_ldst_entry): Free the hashtable.
1380         (compute_ld_motion_mems): Create the hashtable.
1381         (trim_ld_motion_mems): Remove entry from hashtable if
1382         removing it from list.
1383         (compute_store_table): Likewise^2.
1384         (store_motion): Free hashtable in case we did not see
1385         any stores.
1386
1387 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
1388
1389         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1390         and arg1 if we are passing them to fold_build2.
1391
1392 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
1393
1394         PR 23828
1395         * config/i386/i386.c (ix86_function_regparm): Fix the test for
1396         a nested function.
1397
1398 2005-09-25  Richard Henderson  <rth@redhat.com>
1399
1400         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1401         SYMBOL_REF_TLS_MODEL to be correct.
1402
1403 2005-09-24  Richard Henderson  <rth@redhat.com>
1404
1405         * ipa-type-escape.c (discover_unique_type): Remove dead code at
1406         end of function.  Reindent.
1407
1408 2005-09-24  Ian Lance Taylor  <ian@airs.com>
1409
1410         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1411         NEGATE_EXPR/BIT_NOT_EXPR case.
1412
1413 2005-09-24  Richard Henderson  <rth@redhat.com>
1414
1415         * c-common.c (handle_mode_attribute): When not modifying in place,
1416         create subtypes for enumerations.
1417         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1418         * gimplify.c (create_tmp_from_val): Likewise.
1419
1420 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
1421
1422         * config/i386/i386.md (*tls_global_dynamic_64,
1423         *tls_local_dynamic_base_64): Add missing mode to call.
1424         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1425
1426 2005-09-24  Jan Hubicka  <jh@suse.cz>
1427
1428         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1429         (cgraph_clone_node): Likewise.
1430         * cgraph.h (cgraph_clone_edge): Update prototype.
1431         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1432         duplicated prototypes; add updating argument.
1433         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1434         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1435         updating profile.
1436         (cgraph_mark_inline_edge): Likewise.
1437         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1438         (cgraph_flatten_node): Likewise.
1439         (cgraph_decide_recursive_inlining): Likewise.
1440         (cgraph_decide_inlining_of_small_function): Likewise.
1441         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1442
1443 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1444             Pete Steinmetz <steinmtz@us.ibm.com>
1445
1446         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1447         (rldic.): Set type to "compare".
1448         (rldicr.): Same.
1449         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
1450         mfjmpr for MFCTR/MFLR.
1451         (movdf_hardfloat64): Same.
1452         (movdf_softfloat64): Same.  Correct order of store and move types.
1453         (movti_string): Set type to store_ux/load_ux.
1454         (load_multiple): Set type to load_ux.
1455         (store_multiple): Set type to store_ux.
1456         (movmemsi): Set type to store_ux.
1457         (output_cbranch direct_return): Set type to jmpreg.
1458         (stmw): Set type to store_ux.
1459         (lmw): Set type to load_ux.
1460         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1461         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1462         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1463         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1464         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1465         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1466         (rios1-fpstore): Increase latency to 3.
1467         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1468         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1469
1470 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1471             Andrew Pinski  <pinskia@physics.uc.edu>
1472
1473         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1474         operand2 constraint to "b".
1475         (sync_<fetchop_name>di_internal): Same.
1476         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1477         to "b".
1478         (sync_old_<fetchop_name>di_internal): Same.
1479         (sync_new_<fetchop_name>si_internal): Same.
1480         (sync_new_<fetchop_name>di_internal): Same.
1481
1482 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
1483
1484         PR middle-end/23991
1485         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1486         case, define as macros.
1487
1488         PR rtl-optimization/23837
1489         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
1490         clobber / clobber match between dest and p->first.
1491
1492         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1493         (no_conflict_move_test): Update comments.
1494
1495 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1496
1497         * doc/install.texi: Update URL for Jacks.
1498         * doc/sourcebuild.texi: Likewise.
1499
1500 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
1501
1502         PR target/24007
1503         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1504         registers when choosing register preferences.
1505         (movdf_hardfloat64): Same.
1506
1507 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
1508
1509         * expmed.c (expand_shift): Don't use the target of the rotate as
1510         target for the first expanded shift insn.
1511         * testsuite/gcc.dg/20050922-1.c: Testcase added.
1512
1513 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
1514
1515         PR tree-optimization/22438
1516         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1517         preserved iv rhs rewriting specially.
1518
1519 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
1520
1521         * tree-data-ref.c (analyze_array_indexes): Only estimate when
1522         estimate_only  is true.
1523         * tree-flow.h (ref_contains_indirect_ref): New prototype.
1524         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1525         tree-ssa-structalias.c
1526         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1527         ref_contains_indirect_ref.
1528         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1529
1530 2005-09-21  DJ Delorie  <dj@redhat.com>
1531
1532         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1533         MASK_PTR_A0D0.
1534         (mn10300_return_in_memory): Support variable size types also.
1535         (mn10300_pass_by_reference): Likewise.
1536         (mn10300_function_value): New.
1537         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1538         (FUNCTION_OUTGOING_VALUE): Likewise.
1539         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1540         * doc/invoke.texi: Document it.
1541
1542 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
1543
1544         PR target/22585
1545         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1546         force integer op1 into register for XFmode compares.
1547
1548 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1549
1550         PR middle-end/23971
1551         * expmed.c (alg_code): Add alg_impossible.
1552         (alg_hash_entry): Add cost.
1553         (synth_mult): Record alg_impossible in the hash table if
1554         multiplication by a given integer is impossble within the
1555         limit.  Speed up using alg_impossible.
1556
1557 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1558
1559         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1560         argument.  Allow and set any offset if needs_anyoffset is passed
1561         in.
1562         (get_constraint_for): Add argument here too.
1563         Pass it down.
1564         (do_structure_copy): Pass NULL to get_constraint_for.
1565         (handle_ptr_arith): Ditto.
1566         (find_func_aliases): Ditto.
1567
1568 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
1569
1570         PR rtl-optimization/23898
1571         * output.h (get_attr_min_length): Declare.
1572         * final.c (get_attr_length_1): New function, broken out of:
1573         (get_attr_length).
1574         (get_attr_min_length): New function.
1575         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1576         (duplicate_computed_gotos): Likewise.
1577         * genattr.c (insn_min_length): Generate declaration.
1578         * genattrtab.c (min_fn, min_attr_value): New functions.
1579         (make_length_attrs): Generate insn_min_length.
1580
1581 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
1582
1583         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1584
1585 2005-09-20  Richard Henderson  <rth@redhat.com>
1586
1587         PR tree-optimization/24059
1588         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1589         EXPAND_STACK_PARM.
1590
1591 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
1592
1593         * c.opt (fextended-identifiers): New.
1594         * c-opts.c (c_common_handle_option): Handle
1595         -fextended-identifiers.
1596         * doc/cpp.texi: Update documentation of extended identifiers.
1597         * doc/cppopts.texi (-fextended-identifiers): Document.
1598
1599 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
1600
1601         PR tree-optimization/23929
1602         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1603         if expr is NULL.
1604
1605         PR tree-optimization/23818
1606         * tree-stdarg.c (execute_optimize_stdarg): Call
1607         calculate_dominance_info.
1608
1609 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
1610
1611         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1612         (analyze_siv_subscript_cst_affine): Add weak SIV test.
1613         (compute_overlap_steps_for_affine_1_2): Use
1614         get_number_of_iters_for_loop.
1615         (analyze_subscript_affine_affine): Check whether difference is
1616         zero first.
1617         Use get_number_of_iters_for_loop.
1618         Check whether overlap occurs outside of bounds.
1619         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1620
1621 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1622
1623         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1624         base register if possible.
1625
1626 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
1627
1628         PR tree-optimization/18463
1629         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1630         converting it directly is not possible.
1631         (chrec_convert_aggressive): New function.
1632         * tree-chrec.h (chrec_convert_aggressive): Declare.
1633         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1634         Fold chrec conversions aggressively if asked to.
1635         (instantiate_parameters): Modified because of changes in
1636         instantiate_parameters_1.
1637
1638 2005-09-19  Richard Henderson  <rth@redhat.com>
1639
1640         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1641         (reduc_splus_v2df): New.
1642
1643 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
1644
1645         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1646         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
1647
1648 2005-09-19  Richard Henderson  <rth@redhat.com>
1649
1650         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1651         vcondu<SSEMODE12>.
1652
1653 2005-09-19  Richard Henderson  <rth@redhat.com>
1654
1655         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1656         (ia64_expand_dot_prod_v8qi): New.
1657         * config/ia64/ia64-protos.h: Update.
1658         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1659         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1660         sdot_prodv8qi, sdot_prodv4hi): New.
1661         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1662
1663 2005-09-19  Richard Henderson  <rth@redhat.com>
1664
1665         PR 23941
1666         * real.c (exact_real_truncate): Return false if the format cannot
1667         represent the number as a normal.
1668
1669         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1670         for a memory source.
1671
1672 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
1673
1674         * tree-ssa-operands.c (swap_tree_operands): Export.
1675         * tree.h (swap_tree_operands): Declare.
1676         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1677         Call swap_tree_operands.
1678
1679 2005-09-19  Richard Henderson  <rth@redhat.com>
1680
1681         * tree-flow.h (merge_alias_info): Declare.
1682         * tree-ssa-copy.c (merge_alias_info): Export.
1683         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1684         (vect_create_data_ref_ptr): Use create_iv directly.
1685         (vectorizable_load): Use correct types for integer constants.
1686         (vect_generate_tmps_on_preheader): Likewise.
1687         (vect_gen_niters_for_prolog_loop): Likewise.
1688
1689 2005-09-19  Steven Bosscher  <stevenb@suse.de>
1690
1691         PR rtl-optimization/23943
1692         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1693
1694 2005-09-18  Jan Hubicka  <jh@suse.cz>
1695
1696         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1697
1698 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
1699
1700         * varasm.c (output_constant): Do not abort on conversions to union
1701         types between different sizes.
1702
1703 2005-09-18  Richard Guenther  <rguenther@suse.de>
1704
1705         PR middle-end/23944
1706         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1707         fallback.
1708
1709 2005-09-18  Paul Brook  <paul@codesourcery.com>
1710
1711         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1712
1713 2005-09-17  Richard Henderson  <rth@redhat.com>
1714
1715         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1716         * tree-ssa-loop.c (pass_vect_dce): Remove.
1717         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1718         of pass_vectorize.
1719
1720 2005-09-17  Richard Henderson  <rth@redhat.com>
1721
1722         * tree-pass.h (pass_vect_dce): Declare.
1723         * passes.c (init_optimization_passes): Add it.
1724         * tree-flow.h (tree_ssa_dce): Declare.
1725         * tree-ssa-dce.c (tree_ssa_dce): Export.
1726         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1727         (gate_tree_vectorize): ... here.
1728         (pass_vect_dce): New.
1729
1730 2005-09-17  Jan Hubicka  <jh@suse.cz>
1731
1732         * except.c (struct eh_status): Turn region_array into vec.
1733         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1734         convert_from_eh_region_ranges, find_exception_handler_labels,
1735         current_function_has_exception_handlers, assign_filter_values,
1736         build_post_landing_pads, dw2_build_landing_pads,
1737         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1738         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1739         foreach_reachable_handler, can_throw_internal_1,
1740         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1741         region_array.
1742         (duplicate_eh_region_1): Update region_array.
1743         (duplicate_eh_regions): Resize region_array and avoid recomputing.
1744
1745 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
1746
1747         PR middle-end/22067
1748         * expmed.c (expand_mult): Substitute simple register for op0 when
1749         computing max_cost.
1750
1751 2005-09-17  Richard Henderson  <rth@redhat.com>
1752
1753         * expr.c (emit_move_via_integer): Add force argument, pass it on
1754         to emit_move_change_mode.  Update callers.
1755         (emit_move_complex): Pass true to new force argument.
1756         * function.c (expand_function_end): Move expand_eh_return call
1757         earlier.  Merge sub-word complex values into a pseudo before
1758         copying to the return hard register.
1759
1760 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
1761
1762         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1763         between different sizes.
1764
1765 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
1766
1767         PR 23903
1768
1769         * passes.c (init_optimization_passes): Register dump files for
1770         IPA passes first.
1771
1772 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1773
1774         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1775         * config/s390/s390.c (s390_overlap_p): New function.
1776         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1777         peephole2, "*xc" peephole2): Added overlap check to the peephole2
1778         condition.
1779
1780 2005-09-16  Richard Guenther  <rguenther@suse.de>
1781
1782         * ipa-pure-const.c (static_execute): Free auxiliar information.
1783         * ipa-type-escape.c (discover_unique_type): Free temporary key.
1784         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1785
1786 2005-09-15  DJ Delorie  <dj@redhat.com>
1787
1788         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1789
1790 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1791
1792         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1793         to order operands.
1794         (swap_commutative_operands_with_target): New.
1795
1796 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
1797
1798         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1799         parameter.
1800         Update callers.
1801         (estimate_iters_using_array): New function.
1802         * tree-data-ref.h (estimate_iters_using_array): Prototype
1803         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1804         Use estimate_iters_using_array instead of analyze_array.
1805
1806 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
1807
1808         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1809         as addressable.
1810
1811 2005-09-15  Michael Matz  <matz@suse.de>
1812
1813         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1814
1815 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
1816
1817         PR tree-optimization/23835
1818         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1819         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1820
1821 2005-09-14  Richard Henderson  <rth@redhat.com>
1822
1823         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1824         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1825
1826 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
1827
1828         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1829         in the ARRAY_TYPE case.
1830
1831 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
1832
1833         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1834
1835 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
1836
1837         PR middle-end/22480
1838         * tree-vect-transform.c (vectorizable_operation): Return false for
1839         scalar shift operations and for vector shift operations with
1840         non-invariant shift arguments.  Use scalar tree operand op1 as
1841         a shift operand when vector shift insn pattern uses scalar shift
1842         operand.
1843         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1844
1845 2005-09-14  Olivier Hainque  <hainque@adacore.com>
1846
1847         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1848         value if it has side-effects.
1849
1850 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
1851
1852         PR target/22068
1853         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1854
1855 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
1856
1857         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1858         passed as NAME as if it were label at start of function code.
1859
1860 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
1861
1862         * config/sh/sh.md (*movv4sf_i): Add general register cases to
1863         the constraints.
1864
1865 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
1866
1867         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1868         as early clobber.  Rewrite so the PIC register is not implicitly used.
1869
1870 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1871
1872         * tree.c (annotate_with_file_line): Compare line numbers before
1873         file names.
1874
1875 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
1876
1877         PR target/23816
1878         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1879         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1880
1881 2005-09-13  Ian Lance Taylor  <ian@airs.com>
1882
1883         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1884         than a HOST_WIDEST_INT to gen_doloop_begin.
1885
1886 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
1887
1888         * tree-dfa.c (dump_variable): Guard against NULL annotations.
1889
1890 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
1891
1892         PR tree-optimize/23817
1893         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1894
1895 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
1896
1897         PR target/23774
1898         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1899         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
1900         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1901         (restore_stack_nonlocal): Likewise.
1902         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1903
1904 2005-09-12  Ian Lance Taylor  <ian@airs.com>
1905
1906         PR g++/7874
1907         * c.opt (ffriend-injection): New C++ option.
1908         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1909         (C++ Dialect Options): Document -ffriend-injection.
1910
1911 2005-09-12  Josh Conner  <jconner@apple.com>
1912
1913         PR middle-end/23237
1914         * ipa-reference.c (static_execute): Don't mark variables in
1915         named sections TREE_READONLY.
1916
1917 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1918
1919         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1920         stack_tie.
1921
1922 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
1923
1924         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1925         V_MUST_DEF instead of just the first_use_p.
1926         Don't mark the virtual variables for renaming on the statement which
1927         is being removed.
1928         (pass_dse): Remove TODO_update_ssa.
1929
1930 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
1931
1932         PR middle-end/23290
1933         * stor-layout.c (compute_record_mode): For records with a single
1934         field, actually check the field's mode size against the type size.
1935
1936         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1937         registers for TARGET_SHMEDIA.
1938         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1939         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
1940         of GENERAL_REGS and FP_REGS.
1941
1942 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1943
1944         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1945
1946 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
1947
1948         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1949         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1950         are omitted.  Exclude stack_tie insn too.
1951
1952 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
1953
1954         PR rtl-optimization/23098
1955         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1956         0.0f is easy.
1957         * config/rs6000/rs6000.md (movdf splitter): Use
1958         const_double_operand predicate for TARGET_POWERPC64.
1959         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1960         SYMBOL_REF method to ABI_V4.
1961
1962         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1963         replace_equiv_address.
1964         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1965         rs6000_sr_alias_set and MEM_NOTRAP.
1966         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1967
1968 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1969
1970         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1971         handle CALL_EXPR again.
1972
1973 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1974
1975         * arm/predicates.md (alignable_memory_operand): Delete.
1976
1977 2005-09-10  Richard Henderson  <rth@redhat.com>
1978
1979         PR debug/23806
1980         * dbxout.c (dbxout_expand_expr): New.
1981         (dbxout_symbol): Use it.
1982
1983 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
1984
1985         * arm.c (arm_gen_rotated_half_load): Delete.
1986         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1987         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1988         (thumb_set_return_address): Likewise.
1989         (thumb_load_double_from_address): Use adjust_address.
1990         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1991         (extendhsisi2_mem, movhi_bytes): Use change_address.
1992         (movhi): Use widen_memory_access.
1993         (reload_out_df): Use replace_equiv_address.
1994         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1995
1996 2005-09-09  Richard Henderson  <rth@redhat.com>
1997
1998         PR debug/20998
1999         * dbxout.c: Include expr.h.
2000         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2001         (dbxout_symbol): Handle DECL_VALUE_EXPR.
2002         * Makefile.in (dbxout.o): Add EXPR_H.
2003
2004 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
2005
2006         PR tree-optimization/23509
2007         * tree-cfg.c (replace_uses_by): Use replace_exp.
2008         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2009         pointers have name_mem_tag or type_mem_tag set.
2010
2011 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2012
2013         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2014         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2015         of wrongly accessing operands.
2016
2017 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2018
2019         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2020         * tree-chrec.c: Include tree-scalar-evolution.h.
2021         (chrec_convert): Instantiate the base and step before calling
2022         scev_probably_wraps_p that would fail on parametric evolutions.
2023         Collect all the fails into a single section failed_to_convert,
2024         print a diagnostic, and return chrec_dont_know instead of calling
2025         fold_convert.
2026         * tree-scalar-evolution.c (loop_closed_phi_def): New.
2027         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2028         phi nodes.
2029         (scev_const_prop): Don't replace the definition of a loop closed ssa
2030         phi node by itself, or by another loop closed ssa phi node.
2031         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2032         that base and step are defined.
2033
2034 2005-09-09  Richard Guenther  <rguenther@suse.de>
2035
2036         PR c++/23624
2037         * fold-const.c (fold_ternary): Check truth_value_p before
2038         calling invert_truthvalue.
2039
2040 2005-09-09  Nick Clifton  <nickc@redhat.com>
2041
2042         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2043         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2044         dimension of these arrays.
2045         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2046         these arrays.
2047         * longlong.h: Only provide a prototype for the __clz_tab[] array
2048         if this header has not been included from libgcc2.h.
2049         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2050         defining own types.
2051         Provide prototypes for exported functions.
2052         Use the __clz_tab[] and __popcount_tab[] arrays provided by
2053         libgcc2.c.
2054
2055 2005-09-08  Josh Conner  <jconner@apple.com>
2056
2057         PR c++/21135
2058         PR c++/23180
2059         * expr.c (expand_expr_addr_expr_1): Don't invoke
2060         expand_simple_binop for EXPAND_INITIALIZER.
2061
2062 2005-09-08  Richard Henderson  <rth@redhat.com>
2063
2064         PR debug/23190
2065         * toplev.c (wrapup_global_declaration_1): Split out ...
2066         (wrapup_global_declaration_2): ... from ...
2067         (wrapup_global_declarations): ... here.  Return bool.
2068         (check_global_declaration_1): Split out ...
2069         (check_global_declarations): from here.
2070         (emit_debug_global_declarations): New.
2071         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2072         check_global_declaration_1, emit_debug_global_declarations): Declare.
2073         * c-decl.c (c_write_global_declarations_1): Don't create a vector
2074         of decls.  Call wrapup_global_declaration_1,
2075         wrapup_global_declaration_2, check_global_declaration_1 directly.
2076         (c_write_global_declarations_2): New.
2077         (ext_block): New.
2078         (c_write_global_declarations): Call c_write_global_declarations_2.
2079         * langhooks.c (write_global_declarations): Call
2080         emit_debug_global_declarations.
2081
2082         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2083         remove decls that have DECL_RTL_SET_P.
2084         * passes.c (rest_of_decl_compilation): Invoke
2085         cgraph_varpool_finalize_decl for all but functions.
2086
2087 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2088
2089         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2090         the result of a conversion if the new min and max cannot be compared.
2091
2092 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
2093
2094         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2095         (override_options): Setting s390_sr_alias_set removed.
2096         (save_fpr, save_gprs): Set alias set to vararg or frame.
2097         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2098         s390_sr_alias_set with get_frame_alias_set ().
2099         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2100         get_varargs_alias_set ().
2101
2102 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2103
2104         PR objc/20574
2105         PR objc/19324
2106         * c-parser.c (c_parser_objc_method_definition): If the next
2107         token is not "{", error out and don't start the function.
2108
2109 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2110
2111         * tree-vrp.c (extract_range_from_expr): Move the check for non
2112         nullness after the check for gimple invariant.
2113
2114 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2115
2116         * tree.c (host_integerp, tree_low_cst): Correct function comment.
2117
2118 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2119
2120         PR target/23747
2121         * config/m32r.md (movmemsi_internal): Canonicalize order of
2122         operands in PLUS component of template.
2123
2124 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2125
2126         * reload1.c (fixup_eh_region_note): Remove assertion.
2127         (fixup_abnormal_edges): Reverted removal of call to
2128         find_many_sub_basic_blocks made on 2005-08-31.
2129
2130 2005-09-07  Richard Henderson  <rth@redhat.com>
2131
2132         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2133         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2134         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2135         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2136         rearrange for better packing.
2137         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2138         (lookup_cfa_1): Remove inline marker.
2139         (cfa_equal_p): Split out of ...
2140         (def_cfa_1): ... here.  Use INVALID_REGNUM.
2141         (build_cfa_loc): Handle !cfa->indirect.
2142         (frame_pointer_cfa_offset): New.
2143         (dbx_reg_number): Assert register elimination performed; do
2144         leaf register remapping.
2145         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2146         (eliminate_reg_to_offset): New.
2147         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
2148         for verifiably local stack frame addresses; re-base to CFA.
2149         (mem_loc_descriptor): Remove can_use_fbreg argument.
2150         (concat_loc_descriptor, loc_descriptor): Likewise.
2151         (containing_function_has_frame_base): Remove.
2152         (rtl_for_decl_location): Don't do register elimination or
2153         leaf register remapping here.
2154         (secname_for_decl): Split out from ..
2155         (add_location_or_const_value_attribute): ... here.
2156         (convert_cfa_to_loc_list): New.
2157         (compute_frame_pointer_to_cfa_displacement): New.
2158         (gen_subprogram_die): Use them.
2159         * tree.h (frame_base_decl): Remove.
2160         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2161         (prologue_stack_adjust): Remove.
2162         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2163         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2164         (set_frame_base_location): Remove.
2165         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2166         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2167         (vt_add_function_parameters): Don't eliminate_regs.
2168         (vt_initialize): Don't create frame_base_decl.
2169
2170 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2171
2172         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2173         version of GNU binutils for 4.x and later.
2174
2175 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
2176
2177         * ggc-page.c (ggc_push_context): Remove.
2178         (ggc_pop_context): Likewise.
2179         * ggc.h (ggc_push_context): Remove.
2180         (ggc_pop_context): Likewise.
2181
2182 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2183
2184         PR target/8973
2185         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2186         returning from an interrupt handler.
2187
2188 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2189
2190         PR target/8972
2191         * config/arc/arc.c (output_shift): Add check for loop count when
2192         optimizing.
2193
2194 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2195
2196         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2197         form manually.
2198         (abs_replacement): Likewise.
2199         (pass_phiopt): Remove TODO_update_ssa.
2200
2201 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR c/23075
2204         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2205         if "return with no value, in function returning non-void" warning
2206         has been issued.
2207         * tree-cfg.c (execute_warn_function_return): Don't look at
2208         RETURN_EXPRs with TREE_NO_WARNING set.
2209
2210         PR target/22362
2211         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2212         for internal functions doesn't use registers used by global registers
2213         variables.  Use fewer register parameters if there are global register
2214         variables.
2215
2216 2005-09-06  Olivier Hainque  <hainque@adacore.com>
2217             Eric Botcazou  <ebotcazou@adacore.com>
2218
2219         PR middle-end/14997
2220         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2221         when we would be extracting outside its bit span (bitpos+bitsize
2222         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2223         Ada unchecked conversions.
2224
2225 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2226
2227         * tree-ssa-pre.c (try_look_through_load): New function.
2228         (compute_avail): Use it to try to look through loads for some
2229         more useful expressions.
2230
2231 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2232
2233         * simplify-rtx.c (simplify_binary_operation_1): Correct the
2234         condition for detecting cases like (a&a) and (a^a).
2235
2236 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
2237
2238         * common.opt: Add option ftree-vect-loop-version.
2239         * params.def: Add --param vect-max-version-checks.
2240         * doc/invoke.texi: Document ftree-vect-loop-version and
2241         --param vect-max-version-checks.
2242         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2243         may_misalign_stmts and defines for accessors.
2244         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2245         LOOP_VINFO_MAY_MISALIGN_STMTS.
2246         (destroy_loop_vec_info): VEC_free for
2247         LOOP_VINFO_MAY_MISALIGN_STMTS.
2248         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2249         Update documentation.
2250         (vect_update_misalignment_for_peel): New.
2251         (vect_enhance_data_refs_alignment): Update to choose loop
2252         peeling or loop versioning if appropriate for the (potentially)
2253         unaligned data references in the loop.
2254         (vect_analyze_data_refs_alignment): Remove call to
2255         vect_enhance_data_refs_alignment so the checks can be done
2256         earlier.
2257         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2258         and move up call to vect_analyze_data_refs_alignment.
2259         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2260         (vect_transform_loop): Add call to loop_version.
2261
2262 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2263
2264         PR rtl-optimization/23098
2265         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2266         * simplify-rtx.c (constant_pool_reference_p): New function.
2267         * rtl.h (constant_pool_reference_p): New prototype.
2268         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2269         constant_pool_reference_p in condition and
2270         avoid_constant_pool_reference in preparation statements.
2271
2272 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2273
2274         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2275         STRICT_LOW_PART SETs.
2276
2277 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
2278
2279         PR middle-end/21460
2280         * except.c (sjlj_emit_function_enter): Find the function begin
2281         note even when it's not in first basic block.
2282
2283 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
2284
2285         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
2286         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2287         * aclocal.m4: Regenerate.
2288
2289 2005-09-05  DJ Delorie  <dj@redhat.com>
2290
2291         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2292         of macro.
2293
2294 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
2295
2296         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2297         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2298         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2299         Follow spelling conventions.
2300         * doc/invoke.texi: Follow spelling conventions.
2301
2302 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2303
2304         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2305         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2306         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2307
2308 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2309
2310         PR target/23683
2311         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2312         (output_stack_adjust): Use gen_tmp_stack_mem.
2313         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2314         (sh_set_return_address, sh_allocate_initial_value): Likewise.
2315         (sh_get_pr_initial_val): Likewise.
2316         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2317         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
2318         * sh.md (divsi_inv_m0): Use gen_const_mem.
2319         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2320         (movdf_i4+1): Use gen_tmp_stack_mem.
2321         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2322         (fpu_switch+2): Likewise.
2323         (movv4sf_i, movv16sf_i): Use adjust_address.
2324         (symGOT_load): Set MEM_NOTRAP_P bit.
2325
2326 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2327
2328         PR target/23721
2329         * pa.c (emit_move_sequence): Fix typo in last change.
2330
2331 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
2332
2333         PR rtl-optimization/23454
2334         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2335         is true.
2336
2337 2005-09-03  Richard Henderson  <rth@redhat.com>
2338             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2339
2340         PR middle-end/23671
2341         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2342         gen_rtx_MEM.
2343
2344 2005-09-02  Nicolas Pitre <nico@cam.org>
2345
2346         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2347         to bit_count to 32 bits.
2348
2349 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
2350
2351         PR c++/23167
2352         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2353         generating synthetic loads from volatile lvalues.
2354
2355 005-09-02  Nick Clifton  <nickc@redhat.com>
2356
2357         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2358         __ctzhi2, __clzhi2): New functions.
2359
2360 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
2361
2362         PR middle-end/23547
2363         * tree-nested.c (struct var_map_elt): Mark with GTY.
2364         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
2365         var_map_elt.
2366         (lookup_field_for_decl): Allocate new element in GC memory.
2367         (lookup_tramp_for_decl): Likewise.
2368         (convert_nl_goto_reference): Likewise
2369         (create_nesting_tree): Allocate info in GC memory. Likewise for
2370         info->var_map.
2371         (free_nesting_tree): Free with ggc_free instead of free.
2372         (root): New static variable.
2373         (lower_nested_functions): Remove root as local variable.  And zero out
2374         root at the end of the function.
2375
2376 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
2377
2378         PR rtl-optimization/20365
2379         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2380         to short.  New member ix.
2381         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2382         (simplify_plus_minus): Initialize ix members before calling qsort.
2383
2384 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
2385
2386         PR tree-optimization/23626
2387         * tree-cfg.c (replace_uses_by): Clean up eh info.
2388
2389 2005-09-01  DJ Delorie  <dj@redhat.com>
2390
2391         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2392         fprintf.
2393
2394 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
2395
2396         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2397         (rs6000_split_multireg_move): Use replace_equiv_address instead of
2398         gen_rtx_MEM.
2399
2400 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
2401
2402         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
2403         do not issue warning for a variable definition following
2404         a declaration.
2405
2406 2005-09-01  Richard Henderson  <rth@redhat.com>
2407
2408         PR 23668
2409         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2410         conversion to CONST_VECTOR.
2411
2412 2005-09-01  Richard Henderson  <rth@redhat.com>
2413
2414         PR 23676
2415         * reload1.c (reload_as_needed): Check !CALL_P before calling
2416         fixup_eh_region_note.
2417         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2418
2419 2005-09-01  DJ Delorie  <dj@redhat.com>
2420
2421         * varasm.c (output_constant): Let the target resolve
2422         conversions of addresses to non-default pointer sizes.
2423
2424 2005-09-01  Nicolas Pitre <nico@cam.org>
2425
2426         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2427         to alow matching ARM pre-indexed addressing mode.
2428         (arm_override_options): Remove now irrelevant comment.
2429
2430 2005-09-01  Phil Edwards  <phil@codesourcery.com>
2431
2432         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
2433         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
2434         * config/i386/vxworks.h:  Likewise.
2435         * config/i386/t-vxworksae:  New file, for VxWorks AE.
2436         * config/i386/vxworksae.h:  Likewise.
2437
2438 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
2439
2440         PR tree-optimization/23410
2441         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2442         sequence is not wrapping during the first step.
2443
2444 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2445
2446         PR debug/7241
2447         * dwarf2out.c (base_type_die): Compare char_type_node with
2448         TYPE_MAIN_VARIANT (type), not type.
2449
2450 2005-09-01  Richard Guenther  <rguenther@suse.de>
2451
2452         PR tree-optimization/15366
2453         * common.opt: Add -finline-functions-called-once.
2454         Put -fearly-inlining in alphabetically ordered place.
2455         * doc/invoke.texi: Document new option.
2456         * ipa-inline.c (cgraph_decide_inlining): Honour
2457         flag_inline_functions_called_once.
2458
2459 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2460
2461         PR rtl-optimization/23478
2462         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2463         (alloc_qty): Initialize it.
2464         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2465         (combine_regs): Combine also n_throwing_calls_crossed fields.
2466         (find_free_reg): Don't attempt to caller-save pseudos crossing
2467         calls that might throw.
2468         * global.c (struct allocno): Add throwing_calls_crossed field.
2469         (global_alloc): Revert 2005-08-22 change.  Initialize
2470         throwing_calls_crossed.
2471         (find_reg): Don't attempt to caller-save pseudos crossing calls that
2472         might throw.
2473
2474 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
2475
2476         PR target/23649
2477         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2478         (mask64_operand): Reinstate code prior to 2005-06-11 change.
2479         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2480         (and64_2_operand): Tweak to use predicate.
2481         (and_operand): Adjust for mask_operand changes.
2482         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2483         (print_operand): Likewise.
2484         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2485         (mask64_1or2_operand): Delete.
2486         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2487         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2488         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2489         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2490         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2491         (rotldi3_internal4): Likewise.
2492         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2493         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2494         (ashldi3_internal7): Likewise.
2495         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2496         (ashldi3_internal, ashldi3_internal9 split): Likewise.
2497         (anddi3 split): Don't match mask64_operand.
2498         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
2499         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
2500         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
2501         't' splitter predicate.
2502         (movdi_internal64 + 2): Revert 2005-06-11 change.
2503
2504 2005-08-31  DJ Delorie  <dj@redhat.com>
2505
2506         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2507         (m32c_asm_integer): Add support for 32 bit pointers.
2508
2509 2005-08-31  Richard Henderson  <rth@redhat.com>
2510
2511         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2512         component-like references for setting MEM_NOTRAP_P.
2513
2514         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2515         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2516
2517 2005-08-31  Richard Henderson  <rth@redhat.com>
2518
2519         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2520         into a pseudo before applying gen_lowpart.
2521
2522 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
2523
2524         * doc/install.texi (Specific): Update cctools version required
2525         for full functionality.
2526         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2527         linkers as -macosx_version_min.
2528
2529 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
2530
2531         PR target/21255
2532         * sh.c (print_operand, %R and %S): Add handling of floating point
2533         registers, memory, constants and invalid operands.
2534
2535 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
2536
2537         * ipa-pure-const.c: Change dump name.
2538
2539 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2540
2541         PR target/23570
2542         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2543         to "reg_or_0_operand".
2544         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2545
2546 2005-08-31  Dale Johannesen  <dalej@apple.com>
2547
2548         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
2549         loops that count down.
2550
2551 2005-08-31  Richard Henderson  <rth@redhat.com>
2552
2553         PR rtl-opt/23601
2554         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2555         (fixup_eh_region_note): New.
2556         (reload_as_needed): Call it.
2557         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2558         don't call find_many_sub_basic_blocks; call verify_flow_info.
2559         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2560         (keep_stack_depressed): Likewise.
2561         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2562
2563 2005-08-31  Richard Henderson  <rth@redhat.com>
2564
2565         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2566         fp return matching.
2567
2568 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
2569
2570         * expr.c (expand_expr_real_1): Compare size of address
2571         mode to target's address mode size in deciding expansion of
2572         the constant address.
2573
2574 2005-08-31  Richard Guenther  <rguenther@suse.de>
2575
2576         PR middle-end/23477
2577         * expr.c (all_zeros_p): New function.
2578         (expand_expr_real_1): Handle the case of an all-zero
2579         non-addressable constructor separately.
2580
2581 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
2582
2583         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2584         arguments, adjust all callers.
2585         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2586
2587 2005-08-30  Richard Henderson  <rth@redhat.com>
2588
2589         PR target/23630
2590         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2591         whenever the mode sizes match.
2592
2593 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
2594
2595         * calls.c (load_register_parameters): Fix comment typo.
2596         * expr.c (emit_push_insn): Comment formatting.
2597
2598 2005-08-30  Ian Lance Taylor  <ian@airs.com>
2599
2600         * config/i386/x-cygwin (host-cygwin): Change dependency from
2601         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2602
2603 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
2604
2605         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2606         parts of 'vals'.
2607
2608 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
2609
2610         PR middle-end/23408
2611         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2612         call to ggc_collect.
2613
2614 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
2615
2616         PR bootstrap/21268
2617         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2618         beginning.  Remove $(INCLUDES) from all the rules, if following
2619         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2620
2621 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
2622
2623         PR middle-end/23484
2624         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2625         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2626         not constant, but maxlen is, don't set len to maxlen, rather
2627         set maxlen to len if len is a constant.
2628
2629 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
2630
2631         PR tree-optimization/23475
2632         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2633         and counts.
2634
2635 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
2636
2637         Fix PR middle-end/22455
2638
2639         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2640         Checksum only the parts of the tree that exist for the tree code.
2641
2642 2005-08-28  Dale Johannesen  <dalej@apple.com>
2643
2644         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
2645
2646 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
2647
2648         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2649
2650 2005-08-28  Richard Henderson  <rth@redhat.com>
2651
2652         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2653         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2654         of char_type_node.
2655
2656 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
2657
2658         PR ada/23593
2659         * builtins.c (get_memory_rtx): Don't strip nops
2660         in between COMPONENT_REFs.
2661
2662 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
2663
2664         PR middle-end/23463
2665         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2666         types.
2667         (gimplify_modify_expr): Check for zero sized types and gimplify the
2668         rhs and lhs as statements.
2669
2670 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
2671
2672         PR libgcj/23508
2673         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2674         state for return address column of signal frames.
2675
2676 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
2677
2678         PR target/23539
2679         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2680         bytes >= 2 not bytes == 2.
2681         (expand_block_move): Same.
2682
2683 2005-08-27  Richard Guenther  <rguenther@suse.de>
2684
2685         PR target/23575
2686         * config/i386/sse.md (sse2_movsd): Add missing closing
2687         braces.
2688
2689 2005-08-27  Paul Brook  <paul@codesourcery.com>
2690
2691         * genrecog.c (enum decision_type): Add DT_num_insns.
2692         (struct decision_test): Add u.num_insns.
2693         (add_to_sequence): Add DT_num_insns test.
2694         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2695         (write_cond, debug_decision_2): Ditto.
2696         (change_state): Assume peep2_next_insn never fails.
2697         Remove "afterward" argument.
2698         (write afterward, write_tree): Update to match.
2699         * recog.c (peep2_current_count): New variable.
2700         (peep2_next_insn): Check it.
2701         (peephole2_optimize): Set peep2_current_count.
2702         * recog.h (peep2_current_count): Declare.
2703
2704 2005-08-26  Josh Conner  <jconner@apple.com>
2705
2706         PR middle-end/23584
2707         * ipa-pure-const.c (check_tree): Check for volatile-ness
2708         when considering a dereference.
2709
2710 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
2711
2712         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2713
2714 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR rtl-optimization/23561
2717         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
2718         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2719         at most LEN bytes long memory fits into the field.
2720         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2721         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2722         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2723
2724 2005-08-26  Richard Henderson  <rth@redhat.com>
2725
2726         PR rtl-opt/23560
2727         * loop.c (biased_biv_may_wrap_p): New.
2728         (maybe_eliminate_biv_1): Use it to suppress non-equality
2729         comparison transformations.  Delete disabled code.
2730
2731 2005-08-26  Ian Lance Taylor  <ian@airs.com>
2732
2733         * combine.c (make_extraction): Avoid reference outside object.
2734
2735 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
2736
2737         * stor-layout.c (finalize_type_size): Restore behaviour for
2738         non-aggregate types to the status quo ante of the patch for
2739         pr 23467.  Document why it matters.
2740
2741 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
2742
2743         PR c/23506
2744         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2745         array by one element, initialize the BT_LAST element with NULL.
2746
2747 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
2748
2749         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2750         optimizing for size.
2751         (plus_eqsi): Same.
2752         (compare_plus_eqsi): Same.
2753         (plus_eqsi_compare): Same.
2754         (neg_eq0<mode>): Same.
2755         (neg_eq<mode>): Same.
2756
2757         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2758         PROCESSOR_POWER4.
2759
2760 2005-08-26  Nick Clifton  <nickc@redhat.com>
2761
2762         * config/v850/v850.c (ep_memory_operand): Return FALSE if
2763         TARGET_EP is not defined.
2764         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2765         TARGET_EP is enabled.
2766         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2767         * config/v850/v850.md (save_all_interrupt): Only use the EP
2768         register if TARGET_EP is defined.
2769         (restore_all_interrupt): Likewise.
2770         * config/v850/lib1funcs.asm: Update functions so that the EP
2771         register is only used if __EP__ is defined.
2772
2773 2005-08-26  David Ung  <davidu@mips.com>
2774
2775         * config/mips/mips.c (mips_expand_prologue): Handle case when
2776         generating for MIPS16 and the outgoing argument area is more than
2777         SMALL_OPERAND. Use the frame pointer as temporary to generate the
2778         add instruction.
2779
2780 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
2781
2782         * config/crx/crx.md: Make doloop_end pattern usage controllable
2783         via mloop-nesting=<max-nesting> command line switch. Make sure
2784         the combiner cannot use doloop_end_<mode> in an illegal way.
2785         * config/crx/crx.c: Use regs up to r6 for argument passing.
2786         Refine crx_address_cost (non cst4 displacements are expensive).
2787         * config/crx/crx.opt: Add switch for mloop-nesting=.
2788
2789 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
2790
2791         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2792         (UNSPEC_MVST): New constant.
2793
2794 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
2795
2796         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2797         Reject operands containing eliminable registers.
2798         * testsuite/gcc.dg/20050825-1.c: New testcase.
2799
2800 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2801             Jan Hubicka  <jh@suse.cz>
2802
2803         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2804
2805 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2806
2807         PR tree-optimization/23546
2808         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2809         and REAL_CST nodes.
2810
2811 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
2812
2813         * params.def (PARAM_MIN_SPEC_PROB): New.
2814         * sched-rgn.c (MIN_PROBABILITY): Delete.
2815         (compute_trg_info): Convert to PARAM_VALUE.
2816         * doc/invoke.texi (param): Document min-spec-prob.
2817
2818 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
2819
2820         * config/darwin.h: define __PIC__
2821         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2822         TARGET_OS_CPP_BUILTINS macro.
2823
2824 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2825
2826         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2827         yesterday.
2828
2829 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2830
2831         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2832         to duplicate_block.
2833         * cfghooks.c (duplicate_block): Added position where to place
2834         new block as argument.
2835         * cfghooks.h (duplicate_block): Declaration changed.
2836         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
2837         duplicate_block.
2838         * cfglayout.h (copy_bbs): Declaration changed.
2839         * cfgloop.h (loop_version): Declaration changed.
2840         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2841         position to copy_bbs.
2842         (loop_version): Pass position to duplicate_loop_to_header_edge.
2843         Add place_after argument and position new blocks according to
2844         it.
2845         * modulo-sched.c (sms_schedule): Pass place_after argument
2846         to loop_version.
2847         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2848         * tree-cfg.c (split_edge_bb_loc): New function.
2849         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2850         to determine position of new blocks.
2851         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2852         to loop_version.
2853         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2854         argument to duplicate_block.
2855         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2856         Pass position to copy_bbs.
2857
2858 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
2859
2860         * fold-const.c (ptr_difference_const): Use
2861         cst_and_fits_in_hwi instead of host_integerp.
2862
2863 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
2864
2865         * config/darwin.c (gen_pic_offset): New.
2866         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
2867         Use it.
2868
2869 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
2870
2871         PR tree-optimization/23486
2872         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2873
2874 2005-08-23  Phil Edwards  <phil@codesourcery.com>
2875
2876         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
2877         remove use_collect2.
2878         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
2879
2880         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
2881         configuration files to override the default value.
2882
2883         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
2884         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2885         * config/vx-common.h:  New file, split out from...
2886         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
2887         * config/vxworksae.h:  New file, for VxWorks AE.
2888         * config/vxworks.opt:  New file.
2889         * config/vxlib.c:  Update for VxWorks 6.
2890
2891         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
2892         other MULTILIB_* variables appropriately.
2893         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
2894         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
2895         * config/rs6000/vxworks.h:  Update for VxWorks 6.
2896         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
2897
2898 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
2899
2900         PR target/20799
2901         * config/darwin.c (machopic_select_section): Remove the hack to
2902         mark "::operator new" and "::operator delete" for coalescing
2903         even though they are not weak.
2904
2905 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
2906
2907         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2908         * configure: Regenerate.
2909
2910 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2911
2912         PR middle-end/23517
2913         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2914         between vectors.
2915         * convert.c (convert_to_integer, convert_to_vector): Likewise.
2916         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2917         Likewise.
2918
2919 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
2920
2921         * config/rs6000/predicates.md (equality_operator): New.
2922         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2923         comparison with a large constant.
2924
2925 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
2926
2927         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2928
2929 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
2930
2931         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2932         registers is even, and we have a hardware double precision fp,
2933         align the buffer.
2934         (sh_gimplify_va_arg_expr): For floating point arguments, consider
2935         size of current argument when checking if argument was passed in
2936         registers.
2937
2938         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2939
2940         PR middle-end/23467
2941         * stor-layout.c (finalize_type_size): Dont override
2942         existing alignment with a smaller alignment from the mode.
2943
2944 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2945
2946         * lambda-code.c (lambda_vector_lexico_pos): Moved...
2947         * lambda.h (lambda_vector_lexico_pos): ... here.
2948         * tree-data-ref.c (build_classic_dist_vector): Return false when
2949         the distance vector is lexicographically negative.
2950
2951 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
2952
2953         PR tree-optimization/23511
2954         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2955         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2956
2957 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
2958
2959         PR tree-optimization/22043
2960         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2961         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2962         If ALLOW_FLEXARR, handle types ending with flexible array member.
2963         Pass false as second argument to recursive count_type_elements calls.
2964         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2965         argument to count_type_elements call.
2966         * tree-sra.c (decide_block_copy): Likewise.
2967         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2968         for a constant-sized object, set cleared as well.  Pass true as
2969         second argument to count_type_elements call.
2970
2971 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2972
2973         PR target/21571
2974         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2975         from legitimate_small_data_p, and make global.  Update use.
2976         Remove forward declaration.
2977         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2978         Declare.
2979         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2980
2981 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
2982
2983         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2984         of scratch intermediates.
2985         (eq<mode>_compare): Same.
2986         (neg_eq0<mode>): New.
2987         (neg_eq<mode>): Convert to define_insn_and_split.
2988
2989 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
2990
2991         PR target/23070
2992         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2993         stdarg functions, set/clear the fp marker even when no variable
2994         args are passed.
2995         * config/rs6000/sysv4.opt (mprototype): Describe.
2996
2997 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
2998
2999         PR rtl-optimization/23478
3000         * regs.h (reg_info): Add throw_calls_crossed.
3001         (REG_N_THROWING_CALLS_CROSSED): Define.
3002         * flow.c (allocate_reg_life_data): Initialize
3003         REG_N_THROWING_CALLS_CROSSED.
3004         (propagate_one_insn, attempt_auto_inc): Update
3005         REG_N_THROWING_CALLS_CROSSED.
3006         * global.c (global_alloc): Don't allocate pseudos across
3007         calls that may throw.
3008
3009 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3010
3011         PR c/18715
3012         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3013         value is inbetween the range if we did not find an exact match.
3014
3015 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
3016
3017         * doc/invoke.texi (Option Summary): Add ms1 options.
3018         * doc/extend.texi: Document interrupt handler attribute for ms1.
3019         * doc/md.texi: Document ms1 constraints.
3020         * config.gcc: Add ms1-*-elf.
3021         * config/ms1/ms1.h: New.
3022         * config/ms1/ms1.c: New.
3023         * config/ms1/ms1.md: New.
3024         * config/ms1/ms1-protos.h: New.
3025         * config/ms1/ABI.txt: New.
3026         * config/ms1/crti.asm: New.
3027         * config/ms1/crtn.asm: New.
3028         * config/ms1/lib2extra-funcs.c: New.
3029         * config/ms1/t-ms1: New.
3030         * config/ms1/ms1.opt: New.
3031
3032 2005-08-22 Ira Rosen <irar@il.ibm.com>
3033
3034         * config/rs6000/altivec.md (xorv4sf3): New.
3035         (negv4sf2, neg<mode>2): Likewise.
3036
3037 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
3038
3039         PR target/23485
3040         * config/ia64/ia64.md (divsi3): Check divide by zero.
3041         (udivsi3): Likewise.
3042         (divdi3): Likewise.
3043         (udivdi3): Likewise.
3044
3045 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
3046
3047         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3048         up to elem_bitsize bits, not max_bitsize.
3049
3050 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3051
3052         PR tree-optimization/23433
3053         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3054         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3055
3056 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3057
3058         PR tree-optimization/23434
3059         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3060         the iteration bound is not an INTEGER_CST.
3061
3062 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
3063
3064         * tree-vect-transform.c (get_initial_def_for_reduction): Set
3065         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3066         NULL if need_epilog_adjust is false.
3067         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3068         Case 3 always peels first itration, not just for PLUS case, and no need
3069         to use scalar_initial_def here. Create an epilog adjustment only if
3070         scalar_initial_def is not NULL.
3071
3072         (vectorizable_reduction): Remove assert.
3073
3074 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
3075
3076         PR target/23485
3077         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3078         (__moddi3): Likewise.
3079         (__udivdi3): Likewise.
3080         (__umoddi3): Likewise.
3081         (__divsi3): Likewise.
3082         (__modsi3): Likewise.
3083         (__udivsi3): Likewise.
3084         (__umodsi3): Likewise.
3085
3086 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
3087
3088         * tree-pass.h (TDF_GRAPH): Define.
3089         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3090         * passes.c (finish_optimization_passes): Only call
3091         finish_graph_dump_file if TDF_GRAPH is set.
3092         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3093         NULL.  Set TDF_GRAPH bit.
3094         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3095
3096 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
3097
3098         * arm.h (arm_stack_offsets): Add locals_base field.
3099         * arm.c (arm_get_frame_offsets): Compute it.
3100         (thumb_compute_initial_elimination offset): Make the Thumb frame
3101         pointer point to the base of the local variables.
3102         (thumb_expand_prologue): Update accordingly.
3103         (thumb_expand_epilogue): Likewise.
3104
3105         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
3106         mode of clobbered scratch to DImode.  Handle a case that's known to
3107         need this.
3108
3109 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
3110
3111         * config/rs6000/rs6000.md (gt0<mode>): Delete.
3112         (gt0<mode>_compare): Delete.
3113         (neg_gt0<mode>): Delete.
3114
3115 2005-08-19  Eric Christopher  <echristo@apple.com>
3116
3117         * optabs.h: Change CTI_ to COI_.
3118         * optabs.c: Ditto.
3119
3120 2005-08-19  James E Wilson  <wilson@specifix.com>
3121
3122         * builtins.c (expand_builtin_return_addr): Set
3123         current_function_accesses_prior_frames when count != 0.  Use
3124         frame_pointer_rtx when count == 0.
3125         * function.h (struct function): Add accesses_prior_frames field.
3126         (current_function_accesses_prior_frames): Define.
3127         * reload1.c (init_elim_table): Check
3128         current_function_accesses_prior_frames.
3129         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3130
3131 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3132
3133         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3134         indicator.  Return true if the flowgraph changed during
3135         cleanup.
3136
3137 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3138
3139         PR 23476
3140         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3141         conditional expression before testing its value.
3142
3143 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3144
3145         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3146
3147 2005-08-19  Devang Patel  <dpatel@apple.com>
3148
3149         PR tree-optimization/23048
3150         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3151         third parameter. Check whether latch is dominated by exit
3152         block or not.
3153         (if_convertible_loop_p): Supply exit block itself to
3154         if_convertible_bb_p.
3155
3156 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3157
3158         PR target/23473
3159         * arm.md (arm_load_pic_register): Change argument to the mask of
3160         saved registers.  Call thumb_find_work_register if we need a
3161         scratch register on Thumb.
3162         (arm_expand_prologue): Pass empty register set to
3163         arm_load_pic_register.
3164         (thumb_expand_prologue): Pass live_regs_mask directly to
3165         arm_load_pic_register.
3166         * arm-protos.h (arm_load_pic_register): Update prototype.
3167
3168 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
3169
3170         * sh.c (find_sole_member): New function.
3171         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3172         if the record's alignment is larger than the size of its only member.
3173
3174 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3175
3176         PR target/23436
3177         * arm.c (thumb_legitimize_reload_address): New function.
3178         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3179         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3180
3181 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
3182
3183         * config/crx/crx.c: Implement crx_decompose_address. Reject
3184         symbolic displacements since CRX register relative adressing
3185         mode can't handle unsigned 32-bit values as displacements.
3186         * config/crx/crx.h: Simplify definitions, remove redundant
3187         parenthesis and obsolete macros.
3188         * config/crx/crx.opt: Add new switch for debugging addresses.
3189         * config/crx/crx-protos.h: Add new declarations for above.
3190
3191 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
3192
3193         PR middle-end/20624
3194         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3195         looking past it.
3196
3197 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3198
3199         * collect2.c (dup2): Delete.
3200         * configure.ac: Don't check for dup2.
3201
3202         * config.in, configure: Regenerate.
3203
3204 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
3205
3206         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3207         record with the type of its only member.
3208
3209 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
3210
3211         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3212         define_insn_and_split.
3213         (plus_ltu<mode>_compare): Same.
3214         (gtu<mode>_compare): Same.
3215         (plus_gtu<mode>_compare): Same.
3216
3217 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
3218
3219         PR tree-optimization/22228
3220         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3221         todo_flags_start.
3222         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3223         are recorded in vect_vnames_to_rename for renaming.
3224         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3225         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3226         in vect_vnames_to_rename.
3227         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3228         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3229
3230 2005-08-18  Jan Hubicka  <jh@suse.cz>
3231
3232         PR c++/22034
3233         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3234         info only for local statics, not for member variables.
3235
3236 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3237
3238         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3239
3240 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3241
3242         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3243
3244 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
3245
3246         PR middle-end/16045
3247         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3248
3249 2005-08-17  James E Wilson  <wilson@specifix.com>
3250
3251         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3252         array size check.
3253
3254 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
3255
3256         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3257         (leu<mode>_compare): Same.
3258         (plus_leu<mode>): Same.
3259         (neg_leu<mode>): Same.
3260         (and_neg_leu<mode): Same.
3261         (ltu<mode>_compare): Same.
3262         (plus_ltu<mode>): Same.
3263         (geu<mode>): Same.
3264         (geu<mode>_compare): Same.
3265         (plus_geu<mode>): Same.
3266         (neg_geu<mode>): Same.
3267         (and_neg_geu<mode>): Same.
3268         (plus_gt<mode>): Same.
3269         (gtu<mode>_compare): Same.
3270         (plus_gtu<mode>): Same.
3271
3272 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
3273
3274         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3275         Move call_table_data to end.  Delete spurious .text.
3276         (callt_save_all_interrupt): Fix comment typo.
3277
3278 2005-08-17  James E Wilson  <wilson@specifix.com>
3279             Kevin Winchester  <winchester@amirix.com>
3280
3281         PR target/21684
3282         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3283
3284 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
3285
3286         PR target/23268
3287         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3288         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3289
3290 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
3291
3292         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3293         record with the type of its only member if the modes don't match.
3294
3295         * varasm.c (decode_reg_name): Skip empty additional register names.
3296
3297 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
3298
3299         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3300         lsm_tmp_name_length): New.
3301         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3302         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3303
3304 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3305             Andreas Krebbel  <krebbel1@de.ibm.com>
3306
3307         * config.gcc: Added z9-109 switch.
3308         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3309         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3310         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3311         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3312         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3313         for "z9_109" cpu attribute.
3314         * config/s390/s390.c (z9_109_cost): New processor cost structure.
3315         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3316         (s390_handle_arch_option): Added z9-109 switch.
3317         (override_options): Set respective cost function for z9-109.
3318         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3319         (legitimate_reload_constant_p): Accept extended immediates.
3320         (print_operand): Three new output modifiers added: k, m and o.
3321         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3322         (s390_output_mi_thunk): Use extended immediate when possible.
3323         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3324         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3325         (CONSTRAINT_LEN): Added length of O constraint.
3326         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3327         * config/s390/s390.md ("cpu"): New value z9_109 added.
3328         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3329         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3330         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3331         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3332         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3333         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3334         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3335         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3336         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3337         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3338         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3339         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3340         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3341         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3342         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3343         immediates.
3344         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3345         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3346         insns for TARGET_EXTIMM.
3347
3348 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3349
3350         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3351
3352 2005-08-17  Nick Clifton  <nickc@redhat.com>
3353
3354         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3355         Call default_encode_section_info.
3356
3357 2005-08-17  Steven Bosscher  <stevenb@suse.de>
3358
3359         PR tree-optimization/21574
3360         * tree-ssa-ccp.c (likely_value): If the right hand side is a
3361         constant, return CONSTANT.
3362         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3363         (ccp_fold, visit_assignment): Likewise.
3364         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3365
3366 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3367
3368         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3369         fold_buildN instead of buildN then fold_initializer or fold.
3370         (build_unary_op): Likewise.
3371         (build_binary_op): Likewise.
3372         * fold-const.c (fold_initializer): Remove.
3373         (fold_build1_initializer): New function.
3374         (fold_build2_initializer): New function.
3375         (fold_build3_initializer): New function.
3376         * tree.h (fold_initializer): Remove.
3377         (fold_build1_initializer): New function.
3378         (fold_build2_initializer): New function.
3379         (fold_build3_initializer): New function.
3380
3381 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3382
3383         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3384         (try_move_mult_to_index): Call fold_build2 instead of build2.
3385         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3386         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3387         fold_binary_to_constant.
3388         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3389         fold (build.
3390         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3391         check if A == gcd (A, B).  Remove TYPE argument.
3392         (analyze_offset) Use fold_build2 instead of fold (build.
3393         (create_data_ref): Likewise.
3394         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3395         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3396         then fold.
3397
3398 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
3399
3400         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3401         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3402
3403 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
3404
3405         PR tree-opt/23402
3406         * gimplify.c (zero_sized_type): New function.
3407         (gimplify_modify_expr_rhs): If we have a zero sized type,
3408         replace the statement with an empty statement.
3409
3410 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
3411
3412         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3413         fxsave.
3414
3415 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3416
3417         * doc/tm.texi (Label Output): Correct typo.
3418
3419 2005-08-16  Steven Bosscher  <stevenb@suse.de>
3420
3421         PR target/23376
3422         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3423         force_operand will work later on using have_insn_for.
3424
3425 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3426
3427         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3428
3429 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3430
3431         PR c++/23337
3432         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3433         vector type, don't try to construct it element by element.  Add an
3434         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3435
3436 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3437
3438         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3439
3440 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
3441
3442         * doc/invoke.texi (Precompiled Headers): Document some more options
3443         which are known to be safe.
3444
3445 2005-08-16  James E Wilson  <wilson@specifix.com>
3446
3447         PR tree-optimization/21105
3448         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3449         TREE_OVERFLOW check.
3450
3451 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
3452
3453         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3454         (neg_ltu<mode>): Same.
3455         (gtu<mode>): Same.
3456         (neg_gtu<mode>): Same.
3457
3458 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3459
3460         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3461         (fold_builtin_isdigit): Use fold_buildN.
3462         (build_function_call_expr): Likewise.
3463         * c-typeck.c (c_finish_loop): Likewise.
3464
3465 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
3466             Richard Shann <rshann@superh.com>
3467
3468         PR middle-end/20396:
3469         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3470
3471 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
3472
3473         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3474
3475 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
3476
3477         PR target/23355
3478         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3479         arm_compure_save_reg0_reg12_mask to determine when the PIC register
3480         must be saved.
3481
3482 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3483
3484         PR middle-end/23369
3485         * fold-const.c (build_range_check): Disable optimization for function
3486         pointer expressions on targets that require function pointer
3487         canonicalization.
3488
3489 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
3490
3491         * simplify-rtx.c (simplify_const_relational_operation): When
3492         extracting arguments of a COMPARE, recompute the mode as well.
3493
3494 2005-08-15  Ian Lance Taylor  <ian@airs.com>
3495
3496         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3497
3498 2005-08-15  DJ Delorie  <dj@redhat.com>
3499
3500         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3501         the stack.
3502         (movsi_splittable): Allow, but split, moves to the stack.
3503         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3504         stack.
3505
3506 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3507
3508         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3509         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3510         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3511
3512         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3513         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3514         Delete HOST_PTR_PRINTF.
3515
3516         * configure, config.in: Regenerate.
3517
3518 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
3519
3520         * config/rs6000/rs6000.md (QHSI): New mode macro.
3521         (wd): Extend mode attr for QImode and HImode
3522         (dbits): New mode attr.
3523         (zero_extend<mode>di2): Convert to mode macro.
3524
3525 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
3526
3527         PR target/21841
3528         * doc/invoke.texi (-mgnu-ld): Update description.
3529         (-mhp-ld): Ditto.
3530
3531 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3532
3533         PR 23391
3534         * Makefile.in (tree-chrec.o): Depends on real.h.
3535         * tree-chrec.c: Include real.h.
3536         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3537         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3538         * tree-scalar-evolution.c (add_to_evolution_1,
3539         interpret_rhs_modify_expr): Ditto.
3540
3541 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
3542
3543         PR 23386
3544         * tree-data-ref.c (estimate_niter_from_size_of_data): When
3545         step is negative compute the estimation from init downwards to zero.
3546
3547 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
3548
3549         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3550
3551 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3552
3553         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3554         constraint.
3555         (legitimate_reload_constant_p): Fix handling of lliXX operands.
3556         Accept double-word constants that can be split.
3557         * config/s390/s390.md ("movti"): Use 'P' constraint.
3558         ("*movdi_31", "*movdf_31"): Likewise.
3559
3560 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
3561
3562         Fix PR tree-optimization/22615
3563
3564         * tree-ssa-structalias.c (solution_set_add): Handle
3565         first_vi_for_offset returning NULL.
3566         (do_da_constraint): Ditto.
3567         (do_sd_constraint): Ditto.
3568         (do_ds_constraint): Ditto
3569         (find_func_aliases): Ditto.
3570         (build_constraint_graph): RHS is allowed be ANYTHING.
3571         (first_vi_for_offset): Return NULL if we couldn't find anything at
3572         the offset.
3573
3574 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
3575
3576         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3577         over memory as first operand.
3578
3579 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
3580
3581         PR target/23360
3582         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3583         available for setting it.
3584
3585 2005-08-14  Ira Rosen  <irar@il.ibm.com>
3586
3587         PR tree-optimization/23320
3588         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3589         data-refs' types instead of base object nullness. Add check for
3590         pointer type data-refs before first location comparison. Remove
3591         assert.
3592
3593 2005-08-14  Andreas Schwab  <schwab@suse.de>
3594
3595         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3596
3597 2005-08-13  James E Wilson  <wilson@specifix.com>
3598
3599         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3600         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3601         -fstack-protector-all, --param ssp-buffer-size): Document.
3602         (-Wvariadic-macros): Alphabetize.
3603         (-fsched-stalled-insns-dep): Add missing 'f'.
3604
3605         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3606         macros.
3607
3608 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
3609
3610         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3611         or indirect address operand.
3612         (EXTRA_ADDRESS_CONSTRAINT): New.
3613         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3614
3615 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
3616
3617         PR tree-optimization/22236
3618         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3619         successors and predecessors.
3620         * tree-chrec.c (chrec_convert): Before converting, check that
3621         sequences don't wrap.
3622         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3623         (analyze_array): Extern.
3624         (find_data_references_in_loop): Remove call to
3625         compute_estimated_nb_iterations.
3626         * tree-data-ref.h (analyze_array): Declared.
3627         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3628         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3629         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3630         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3631         condition.
3632         * tree-ssa-loop-ivcanon.c: Fix documentation.
3633         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3634         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3635         (infer_loop_bounds_from_undefined): New.
3636         (estimate_numbers_of_iterations_loop): Use
3637         infer_loop_bounds_from_undefined.
3638         (used_in_pointer_arithmetic_p): New.
3639         (scev_probably_wraps_p): Pass an extra parameter.  Call
3640         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
3641         (convert_step): Fix documentation.
3642         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3643         Use initial_condition_in_loop_num and evolution_part_in_loop_num
3644         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
3645         scev_probably_wraps_p.
3646
3647 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
3648
3649         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3650         (s390_register_info): Ignore clobbered_regs information for fixed
3651         registers, and only fixed registers.
3652         (s390_init_frame_layout): Remove redundant call.
3653
3654 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
3655
3656         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3657         description of -Wold-style-casts.
3658
3659 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3660             Jakub Jelinek  <jakub@redhat.com>
3661
3662         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3663         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3664         * config/s390/s390.c (print_operand): New output modifier 'G' added.
3665         (get_thread_pointer): Renamed to s390_get_thread_pointer.
3666         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3667         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3668         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3669         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3670         ("stack_protect_set", "stack_protect_test"): New expanders.
3671         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3672         "stack_protect_testdi"): New insn definitions.
3673
3674 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3675
3676         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3677
3678 2005-08-12  Paul Brook  <paul@codesourcery.com>
3679
3680         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3681
3682 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3683
3684         * config/s390/predicates.md (setmem_operand): New predicate.
3685         (shift_count_operand): Accept ANDs with special constants as
3686         operand.
3687         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3688         with special constants.
3689         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3690         shift_count_operand with setmem_operand.
3691
3692 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3693
3694         * config/s390/s390.c (s390_extract_part, s390_single_part):
3695         Type cast added.
3696         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3697         (s390_output_mi_thunk): Don't use lg on 31 bit.
3698         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3699         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3700
3701 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3702
3703         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3704         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3705         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3706         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3707         with one of the new macros.
3708
3709 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3710
3711         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3712         Don't set save_return_addr_p.
3713         (s390_register_info): Make clobbered_regs not depending on
3714         save_return_addr_p.
3715
3716 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3717
3718         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3719         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3720
3721 2005-08-11  James E. Wilson  <wilson@specifix.com>
3722
3723         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3724
3725 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
3726
3727         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3728         locations gathered by var-tracking in single entry loc_list
3729         over loc_descriptor_from_tree.
3730
3731         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3732         pass it down to loc_descriptor.
3733         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3734         (containing_function_has_frame_base): Move earlier in the file.
3735         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3736         instead of always assuming fbreg can't be used.
3737
3738 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
3739
3740         * config/rs6000/altivec.md: Change constraint "m" to "Z".
3741         * config/rs6000/predicates.md (indexed_or_indirect_operand):
3742         Accept address wrapped in AND for Altivec.
3743         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3744         Strip AND wrapping offset address for Altivec.
3745
3746 2005-08-11  Richard Henderson  <rth@redhat.com>
3747
3748         PR middle-end/23312
3749         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3750         before using TYPE_IS_SIZETYPE.
3751
3752 2005-08-11  Richard Henderson  <rth@redhat.com>
3753
3754         PR target/22225
3755         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3756         insn types not present on ev4.
3757         (alphaev5_insn_pipe): Similarly.
3758
3759 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3760
3761         PR target/23250
3762         * arm.c (arm_override_options): If the user has selected callee-super-
3763         interworking, then enable normal interworking.
3764
3765 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3766
3767         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3768         redefinition.
3769
3770 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
3771
3772         * doc/rtl.texi: Fix two typos.
3773
3774 2005-08-11  Richard Guenther  <rguenther@suse.de>
3775
3776         PR target/23289
3777         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3778         cases where we call to/from functions returning void.
3779
3780 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
3781
3782         PR c++/23225
3783         * tree.c (build_pointer_type_for_mode): Robustify.
3784
3785 2005-08-10  James E Wilson  <wilson@specifix.com>
3786
3787         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3788         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3789
3790         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3791         "cum->".
3792
3793 2005-08-10  Eric Christopher  <echristo@apple.com>
3794
3795         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3796         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3797         V2DFmode.
3798
3799 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
3800
3801         PR target/21887
3802         * config/darwin.c (machopic_indirect_data_reference): Use a new register
3803         for the high part when generating dynamic-no-pic code.
3804
3805 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3806
3807         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3808         (x86_64-*-linux*): Likewise.
3809
3810         * config/i386/crtfastmath.c: New file.
3811         * config/i386/t-crtfm: Likewise.
3812
3813         * config/i386/linux.h (ENDFILE_SPEC): New.
3814         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3815
3816         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3817         crtfastmath.o.
3818
3819 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3820
3821         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3822         (vec_shl, vec_shr): Document new operations.
3823         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3824
3825 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
3826
3827         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3828         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3829         change predicate to indexed_or_indirect_address.
3830
3831 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
3832
3833         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3834         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3835         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3836         and __aeabi_uwrite8.
3837         * config/arm/unaligned-funcs.c: New file.
3838         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3839
3840 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
3841
3842         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3843         Add dump.
3844         * cfglayout.c (pass_insn_locators_initialize): Add dump.
3845         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3846         Add dump.
3847         * except.c (pass_convert_to_eh_region_ranges): Add dump.
3848         * final.c (pass_shorten_branches): Add dump.
3849         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3850         (pass_life): Rename dump.
3851         (rest_of_handle_flow2): Remove initial verify_flow_info.
3852         * function.c (pass_instantiate_virtual_regs): Add dump.
3853         * integrate.c (pass_initial_value_sets): Add dump.
3854         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3855         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3856         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3857         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3858         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3859         gate_rtl_unrool_and_peel_loops): New.
3860         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3861         rtl_doloop): Do not look at flags.
3862         * mode-switching.c (pass_mode_switching): Add dump.
3863         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3864         pass_split_before_regstack): Add dump.
3865         * regmove.c (pass_stack_adjustments): Add dump.
3866         * tree-optimize.c (pass_fixup_cfg): Add dump.
3867
3868 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3869
3870         PR 23309
3871         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3872         deciding which instruction sequence to use.
3873
3874 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
3875
3876         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3877         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3878
3879 2005-08-09  Richard Guenther  <rguenther@suse.de>
3880
3881         * c-common.c (builtin_function_2): Remove.
3882         (def_builtin_1): New function.
3883         (c_common_nodes_and_builtins): Use def_builtin_1 to
3884         build builtin functions.
3885
3886 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
3887
3888         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3889         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3890         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3891         Visual DSP.
3892
3893 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3894
3895         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3896         fold_binary instead of fold_build2 since we don't care about the
3897         resulting tree.
3898         (loop_niter_by_eval): Likewise.
3899         (compare_trees): Likewise.
3900         (proved_non_wrapping_p): Likewise.
3901
3902 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
3903
3904         PR c/23161
3905         PR c/23165
3906         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3907         if the if is really empty.
3908
3909 2005-08-09  Steven Bosscher  <stevenb@suse.de>
3910
3911         PR tree-optimization/23234
3912         * tree-ssa-math-opts.c (place_reciprocal): New enum.
3913         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3914         argument of the new enum.
3915         (execute_cse_reciprocals): Add reciprocals for function arguments
3916         on the unique successor edge of the entry block.  Update other calls
3917         to execute_cse_reciprocals_1.
3918
3919 2005-08-08  Richard Henderson  <rth@redhat.com>
3920
3921         PR 22439
3922         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3923
3924 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
3925
3926         * expr.c (write_complex_part): Return after handling MEM.
3927
3928 2005-08-08  Josh Conner  <jconner@apple.com>
3929
3930         PR rtl-optimization/23241
3931         * combine.c (simplify_comparison): Fix error in determining
3932         whether to lift a subreg from comparison.
3933
3934 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
3935
3936         PR target/18506
3937         * config/rs6000/altivec.md (vec_init<mode>): New.
3938         (vec_set<mode>): New.
3939         (vec_extract<mode>): New.
3940         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3941         (rs6000_expand_vector_set): New.
3942         (rs6000_expand_vector_extract): New.
3943         (rs6000_legitimate_offset_address_p): Offset addresses are valid
3944         for Altivec modes before reload.
3945         (altivec_expand_vec_init_builtin): New.
3946         (get_element_number): New.
3947         (altivec_expand_vec_set_builtin): New.
3948         (altivec_expand_vec_ext_builtin): New.
3949         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3950         builtins.
3951         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3952         builtins.
3953         * config/rs6000/rs6000.h (rs6000_builtins): Add
3954         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3955         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3956         * config/rs6000/rs6000-protos.h: Declare new functions.
3957
3958 2005-08-08  Jan Hubicka  <jh@suse.cz>
3959
3960         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3961         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3962         * i386.md (movdi*): Use pic_32bit_operand.
3963         * predicates.md (pic_32bit_operand): New.
3964
3965 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
3966
3967         PR c++/21166
3968         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3969
3970 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
3971
3972         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3973         (test_for_singularity): Use fold_build2.
3974
3975 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3976
3977         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3978
3979 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
3980
3981         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3982         (COMMON_ASM_OP) Define.
3983         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3984         (ix86_encode_section_info): Likewise.
3985         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3986         SUBTARGET_ENCODE_SECTION_INFO.
3987
3988 2005-08-06  Richard Henderson  <rth@redhat.com>
3989
3990         PR 21894
3991         * tree-nested.c (convert_local_reference): Save and restore val_only
3992         around component_ref and friends.  Clear walk_subtrees by default.
3993
3994 2005-08-06  Peter O'Gorman  <peter@pogma.com>
3995
3996         PR 21366
3997         * gcc.c (process_command): Check the argument to -b has a dash.
3998         * doc/invoke.texi: Update -b and -V docs.
3999
4000 2005-08-06  James E Wilson  <wilson@specifix.com>
4001
4002         * config/mips/cross64.h, config/mips/t-cross64: Delete.
4003
4004 2005-08-06  Michael Matz  <matz@suse.de>
4005
4006         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4007         member only if only one insn is associated with the value.
4008
4009 2005-08-06  Nick Clifton  <nickc@redhat.com>
4010
4011         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4012         New define.
4013         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4014         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4015         Check symbol flags instead of symbol name mangling.
4016         (xstormy16_asm_output_aligned_common): Likewise.  Also
4017         simplify code since the bss100_section cass is the only case
4018         where the below100 code will be triggered.
4019         (xstormy16_encode_section_info): Encode below100 attribute
4020         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4021         the name.
4022         (xstormy16_strip_name_encoding): Delete - this function is no
4023         longer needed.
4024         (TARGET_STRIP_NAME_ENCODING): Undefine.
4025         * config/stormy16/stormy16-protos.h: Delete prototype for
4026         xstormy16_strip_name_encoding.
4027
4028 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
4029
4030         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4031         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4032         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4033         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4034         config/alpha/predicates.md, config/arc/arc.h,
4035         config/arm/arm.h, config/arm/ieee754-df.S,
4036         config/arm/ieee754-sf.S, config/bfin/bfin.c,
4037         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4038         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4039         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4040         config/m68hc11/m68hc11.h, config/mips/mips.c,
4041         config/mips/mips.h, config/mips/openbsd.h,
4042         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4043         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4044         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4045         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4046         config/sparc/linux.h, config/sparc/linux64.h,
4047         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4048         doc/extend.texi, doc/gcov.texi, doc/install.texi,
4049         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4050         typos.  Follow spelling conventions.
4051
4052 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
4053
4054         PR c/23113
4055         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4056         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4057         specially.  Check for side effects only for COND_EXPR.
4058         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4059         return with TREE_NO_WARNING.
4060
4061 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
4062
4063         PR rtl-optimization/23233
4064         * loop.c (combine_movables): Require the modes to be the same.
4065         (move_movables): Remove handling of cases where the replacement
4066         had a different mode to the original.
4067
4068 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
4069
4070         PR tree-optimization/23128
4071         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4072         subtraction wrap, and set TREE_OVERFLOW if they do.
4073
4074 2005-08-05  Richard Henderson  <rth@redhat.com>
4075
4076         PR 21728
4077         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4078         FORCED_LABEL labels.
4079
4080 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
4081
4082         PR middle-end/23135
4083         * reload.c (find_reloads_subreg_address): Pass down TYPE
4084         unchanged.  Change all callers except find_reloads_toplev.
4085
4086 2005-08-05  Michael Matz  <matz@suse.de>
4087
4088         * genattrtab.c (current_alternative_string): Remove.
4089         (SIMPLIFY_ALTERNATIVE): Ditto.
4090         (attr_alt_bit_p): Ditto.
4091         (alternative_name): Make const char *.
4092         (evaluate_eq_attr): Remove use of above things.
4093         (simplify_test_exp): Ditto.
4094         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4095         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4096
4097 2005-08-04  James E Wilson  <wilson@specifix.com>
4098
4099         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4100         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4101         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4102         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4103         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4104
4105 2005-08-04  Richard Henderson  <rth@redhat.com>
4106
4107         PR 21529
4108         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4109         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4110         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
4111         if we'd have to instantiate too many members.
4112
4113 2005-08-04  Richard Henderson  <rth@redhat.com>
4114
4115         PR 21291
4116         * tree-outof-ssa.c (coalesce_asm_operands): New.
4117         (coalesce_ssa_name): Use it.  Split out ...
4118         (coalesce_phi_operands, coalesce_result_decls): ... these.
4119
4120 2005-08-04  Paul Brook  <paul@codesourcery.com>
4121
4122         * read-rtl.c (read_quoted_string): Break if EOF.
4123
4124 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
4125
4126         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4127         (fold_build2): Likewise.
4128         (fold_build3): Likewise.
4129         (fold_build1_stat): New function prototype.
4130         (fold_build2_stat): Likewise.
4131         (fold_build3_stat): Likewise.
4132         * fold-const.c (fold_build1): Rename to ..
4133         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4134         through to build1_stat.
4135         (fold_build2): Rename to ..
4136         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4137         through to build2_stat.
4138         (fold_build3): Rename to ..
4139         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4140         through to build3_stat.
4141
4142 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
4143             Ian Lance Taylor  <ian@airs.com>
4144
4145         * function.c (assign_stack_local_1): Do not correct stack slot
4146         address if allocation size is smaller than mode size.
4147
4148 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
4149
4150         PR 22037
4151         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4152         (tree_merge_blocks): Propagate anything allowed by
4153         may_propagate_copy.
4154         Clarify documentation.
4155         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4156         SSA form, schedule an update if necessary.
4157
4158 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
4159
4160         * doc/install.texi (Binaries): Remove broken link to
4161         Sinix/Reliant Unix binaries.
4162
4163 2005-08-03  Richard Henderson  <rth@redhat.com>
4164
4165         PR 23221
4166         * function.c (stack_protect_epilogue): Export.
4167         * tree.h (stack_protect_epilogue): Declare.
4168         * calls.c (expand_call): Call it.
4169
4170 2005-08-03  Eric Christopher  <echristo@apple.com>
4171
4172         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4173         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4174         spec.
4175
4176 2005-08-04  Jan Hubicka  <jh@suse.cz>
4177
4178         * profile.c (branch_prob): Split edges with goto locus on them
4179         to get proper line counts.
4180         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4181
4182 2005-08-03  Paul Brook  <paul@codesourcery.com>
4183
4184         * function.c (assign_parms): Round current_function_args_size
4185         to PARM_BOUNDARY, not STACK_BOUNDARY.
4186
4187 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
4188
4189         * config/i386/i386.c (x86_elf_aligned_common)
4190         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4191
4192 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
4193
4194         PR tree-optimization/23157
4195         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4196         before emitting them.
4197
4198 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4199
4200         PR tree-optimization/19899
4201         * Makefile.in (tree-scalar-evolution.o): Add real.h.
4202         * tree-scalar-evolution.c: Include real.h.
4203         (add_to_evolution): Build constant -1 of correct type.
4204
4205 2005-08-03  Jan Hubicka  <jh@suse.cz>
4206
4207         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4208         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4209         profile updating for complette unrolling.
4210         * loop-unroll.c (peel_loop_completely): Use it.
4211         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4212         (tree_unroll_loops_completely): Disable code growing unrolling of cold
4213         loops.
4214
4215 2005-08-03  Paul Brook  <paul@codesourcery.com>
4216
4217         * combine.c (can_change_dest_mode): New function.
4218         (try_combine, simplify_set): Use it.
4219
4220 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
4221
4222         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4223         TFmode to BLKmode.
4224
4225 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
4226
4227         * doc/install.texi (Specific): Adjust link to openavr.org.
4228         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4229         (Binaries): Adjust HP-UX Porting Center link.
4230         (Binaries): Adjust Free Software Foundation ordering link.
4231
4232 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
4233
4234         * convert.c (convert_to_integer): Use fold_build1 instead of
4235         build1 when converting an integer to an integer.
4236
4237 2005-08-02  Richard Henderson  <rth@redhat.com>
4238
4239         * combine.c (combine_instructions): Don't use reg_equal/equiv
4240         results if the mode doesn't match.
4241
4242 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
4243
4244         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4245         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4246
4247 2005-08-02  Richard Henderson  <rth@redhat.com>
4248
4249         PR 23196
4250         * explow.c (memory_address): Remove special-case for
4251         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4252
4253 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
4254
4255         PR 23164
4256         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4257         number of calls to cleanup_tree_cfg_1.
4258
4259 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
4260
4261         * doc/invoke.texi: document file extensions .F90 and .F95
4262
4263 2005-08-02  Richard Guenther  <rguenther@suse.de>
4264
4265         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4266         positive if its first argument is positive.
4267
4268 2005-08-02  Richard Guenther  <rguenther@suse.de>
4269
4270         PR tree-optimization/23177
4271         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4272         on TMR_TAG.
4273
4274 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
4275
4276         PR tree-optimization/23129
4277         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4278         varying for divisions with anti-ranges.
4279
4280 2005-08-02  Jan Hubicka  <jh@suse.cz>
4281
4282         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4283         * tree-ssa-threadupdate.c (thread_block): Add it here.
4284
4285 2005-08-01  James E Wilson  <wilson@specifix.com>
4286
4287         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4288         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4289         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4290         New.
4291         * config/mips/predicates.md (const_call_insn_operand): Add check for
4292         SYMBOL_REF_LONG_CALL_P.
4293         * doc/extend.texi (long_call): Document the new attribute.
4294
4295 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4296             Richard Henderson  <rth@redhat.com>
4297
4298         * Makefile.in (RTL_BASE_H): Add real.h.
4299         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4300         instead of memcpy.
4301         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4302         directly.
4303         * rtl.c (rtl_check_failed_code_mode): New.
4304         * rtl.h (struct rtx_def): Add u.rv.
4305         (XCMWINT, XCNMPRV): New.
4306         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4307         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4308
4309 2005-08-01  Richard Henderson  <rth@redhat.com>
4310
4311         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4312         with auto-inc codes.
4313
4314         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4315
4316 2005-08-01  Jan Hubicka  <jh@suse.cz>
4317
4318         * i386-protos.h (asm_preferred_eh_data_format): Declare.
4319         * i386.c: Include dwarf2.h
4320         (asm_preferred_eh_data_format): New.
4321         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4322
4323 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4324
4325         * config/host-linux.c (linux_gt_pch_get_address): Add new name
4326         randomize_va_space for virtual address randomization control.
4327
4328 2005-08-01  Steven Bosscher  <stevenb@suse.de>
4329
4330         * common.opt (flag_ipa_cp): Put in right place to maintain
4331         alphabetic sort.
4332
4333 2005-08-01  Jan Hubicka  <jh@suse.cz>
4334
4335         * profile.c (compute_value_histograms): Fix thinko.
4336         * value-prof.c: Include toplev.h
4337         (check_counter): New function.
4338         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4339         tree_mod_subtract_transform): Add sanity check.
4340
4341 2005-08-01  Richard Guenther  <rguenther@suse.de>
4342
4343         PR tree-optimization/23133
4344         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4345         current functions parameter decls to find defs to cse
4346         reciprocals of.
4347
4348 2005-08-01  Richard Guenther  <rguenther@suse.de>
4349
4350         PR tree-optimization/23109
4351         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4352         If trapping math is in effect, use post-dominator information
4353         to check if we'd in any case reach a trapping point before
4354         doing the reciprocal insertion.
4355         (execute_cse_reciprocals): Compute post-dominators, if necessary.
4356         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4357         expressions are invariant only if trapping math is not in effect.
4358
4359 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4360
4361         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4362         cgraph_function_versioning): New declarations.
4363         * cgraphunit.c: Add include to ipa-prop.h.
4364         (update_call_expr, cgraph_copy_node_for_versioning,
4365         cgraph_function_versioning): New functions.
4366         * integrate.c (copy_decl_for_inlining): Remove.
4367         * ipa-prop.h (ipa_replace_map): New struct.
4368         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4369         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4370         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4371         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4372         ipcp_iterate_stage, ipcp_method_scale_print,
4373         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4374         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4375         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4376         ipcp_update_bb_counts, ipcp_update_profiling,
4377         ipcp_update_edges_counts): New functions.
4378         (ipcp_method_cval_init): Remove restriction regarding local methods.
4379         (ipcp_init_stage): Add ipcp_method_compute_scale.
4380         (ipcp_insert_stage): Add versioning.
4381         (ipcp_structures_print): Add ipcp_method_scale_print.
4382         (ipcp_driver): Dump profiling info.
4383         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4384         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4385         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4386         (struct inline_data): Add versioning_p, ipa_info, new fields.
4387         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4388         declare_return_variable): Replace calls to copy_decl_for_inlining with
4389         copy_decl_for_dup.
4390         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4391         versioning support.
4392         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4393         Add argument VERSIONING.
4394         (copy_arguments_for_versioning, copy_static_chain,
4395         function_versionable_p, tree_versionable_function_p,
4396         tree_function_versioning, replace_ref_tree): New functions.
4397         * tree-inline.h: Include varray.h.
4398         (tree_versionable_function_p,  tree_function_versioning,
4399         tree copy_decl_for_dup): New declarations.
4400
4401 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4402
4403         * ipa-cp.c: New file. Contains IPCP specific functionality.
4404         * ipa-prop.h: New file. Contains structures/definitions that can be
4405         used by several interprocedural data flow optimizations (and also IPCP).
4406         * ipa-prop.c: New file.
4407         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4408         * common.opt: Add ipa-cp flag.
4409         * timevar.def: Add IPCP optimization.
4410         * tree-optimize.c (init_tree_optimization_passes): Schedule
4411         pass_ipa_cp.
4412         * tree-pass.h (pass_ipa_cp): Declare.
4413
4414 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
4415
4416         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4417         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4418         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4419         config/i386/i386.c, config/mips/mips.h,
4420         config/rs6000/rs6000.h, config/sh/sh.c,
4421         config/stormy16/stormy16.c: Fix comment typos.
4422
4423 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
4424
4425         PR c/22311
4426         * c-typeck.c (build_binary_op): Use common_type wrapper on
4427         shortened types.
4428         (common_type): Update comment.
4429
4430 2005-07-31  Steven Bosscher  <stevenb@suse.de>
4431
4432         PR target/23095
4433         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4434         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4435         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4436
4437 2005-07-31  Jan Hubicka  <jh@suse.cz>
4438
4439         * pretty-print.h (pp_widest_integer): New macro.
4440         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4441         counts.
4442
4443 2005-07-31  Jan Hubicka  <jh@suse.cz>
4444
4445         * output.h (enum section_category): Export from varasm.c
4446         (categorize_decl_for_section): Likewise.
4447         * varasm.c (enum section_category): Kill.
4448         (categorize_decl_for_section): Make global.
4449         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4450         Declare.
4451         * i386.c (ix86_section_threshold): New static variable.
4452         (ix86_in_large_data_p, ix86_encode_section_info,
4453         x86_64_elf_unique_section,
4454         x86_64_elf_select_section): New functions.
4455         (TARGET_ENCODE_SECTION_INFO): Define
4456         (override_options): Enable medium model for PIC.
4457         (ix86_expand_prologue): Expand gen_set_got_rex64.
4458         (legitimate_constant_p): Handle new UNSPECs.
4459         (legitimate_pic_address_disp_p): Likewise.
4460         (legitimize_pic_address): Lower MEDIUM model addressing.
4461         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4462         (enum cmodel): Add MEDIUM_PIC.
4463         (SYMBOL_REF_FAR_ADDR_P): New macro.
4464         (SYMBOL_FLAG_FAR_ADDR): New flag.
4465         * i386.md (movdi): Support medium model.
4466         (set_got_rex64): New pattern.
4467         * i386.opt (mlarge-data-threshold): New flag.
4468         * predicates.md (zext_operand/sext_operand): Deal with medium model.
4469         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4470         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4471         TARGET_ASM_UNIQUE_SECTION): New.
4472
4473         * invoke.texi (-mlarge_data_threshold): Document
4474
4475 2005-07-31  Jan Hubicka  <jh@suse.cz>
4476
4477         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4478         (coalesce_vars): Likewise.
4479         * tree-ssa-live.c (coalesce_cost): New.
4480         (build_tree_conflict_graph): Use coalesce_cost.
4481         * tree-ssa-live.h (coalesce_cost): Declare.
4482
4483 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4484
4485         * arm.md (all peepholes for post-increment operations): Delete.
4486         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4487         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4488         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4489         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4490         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4491
4492 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
4493
4494         * fold-const.c (tree_expr_nonnegative_p): Always return true for
4495         non-integral types.
4496
4497 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
4498
4499         PR target/22582
4500         * doc/invoke.texi: Document -rdynamic.
4501
4502 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
4503
4504         PR c/23143
4505         * c-parser.c (c_parser_parms_list_declarator): Call
4506         mark_forward_parm_decls.
4507         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4508         decls with visibility structure.
4509
4510 2005-07-30  Paul Brook  <paul@codesourcery.com>
4511
4512         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4513
4514 2005-07-30  Paul Brook  <paul@codesourcery.com>
4515
4516         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4517         prototype.
4518         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4519         value for mode.
4520         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4521
4522 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4523
4524         PR c/529
4525         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4526         nested function declarators.
4527         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4528         (grokparms): Call warn_if_shadowing for parameters used within the
4529         parameter list.
4530         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4531         not used within the parameter list.
4532         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4533
4534 2005-07-30  Jan Hubicka  <jh@suse.cz>
4535
4536         * expr.c (expand_expr_real_1): Do not load mem targets into register.
4537         * i386.c (ix86_fixup_binary_operands): Likewise.
4538         (ix86_expand_unary_operator): Likewise.
4539         (ix86_expand_fp_absneg_operator): Likewise.
4540         * optabs.c (expand_vec_cond_expr): Validate dest.
4541
4542 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4543
4544         PR c/21720
4545         * real.c (real_from_string): Also set last bit if there is a
4546         nonzero hex digit beyond GCC's internal precision after ".".
4547
4548 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
4549
4550         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4551         define_constants.  Change duplicate values to unassigned numbers.
4552         Change UNSPEC_SUBS to UNSPEC_VSUBS.
4553         (*altivec_vspltsf): New.
4554         (altivec_vperm_v4sf): Delete.
4555         (altivec_vperm_<mode>): Use mode macro V.
4556         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4557         (altivec_predicate_v4sf): Delete.
4558         (altivec_predicate_<mode>): Use mode macro V.
4559         (*altivec_lvesfx): New.
4560         (*altivec_stvesfx): New.
4561         (vec_realign_load_v4sf): Delete.
4562         (vec_realign_load_<mode>): Use mode macro V.
4563         * config/rs6000/rs6000.c (generate_set_vrsave): Use
4564         UNSPECV_SET_VRSAVE.
4565
4566 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
4567
4568         PR bootstrap/23131
4569         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4570         string.
4571         * configure: Regenerated.
4572
4573 2005-07-29  Paul Brook  <paul@codesourcery.com>
4574
4575         * doc/install.texi: Add link to GFortran binaries wiki page.
4576
4577 2005-07-29  David Ung  <davidu@mips.com>
4578
4579         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4580         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4581         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4582         * config/mips/mips.md (cpu): Add 5kf name.
4583         (includes): Includes 5k.md.
4584         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4585         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4586         -march flag.
4587
4588 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4589
4590         PR 22550
4591         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4592         (cleanup_tree_cfg): ... here.
4593         Call cleanup_tree_cfg_1 until there are no more cleanups to
4594         do.
4595
4596 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
4597
4598         * tree-vrp.c (compare_range_with_value): Return true or false
4599         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4600         EQ_EXPR respectively.
4601
4602 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
4603
4604         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4605         Fix comment typos.
4606
4607 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
4608
4609         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4610         (tree_ssa_dominator_optimize): Increment it.
4611         (dump_dominator_optimization_stats): Print it.
4612
4613 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
4614             Steven Bosscher  <stevenb@suse.de>
4615
4616         PR rtl-optimization/23117
4617         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4618         when head == tail.  Tidy comment.
4619
4620 2005-07-28  Richard Henderson  <rth@redhat.com>
4621
4622         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4623         * cselib.c (rtx_equal_for_cselib_p): Likewise.
4624         * jump.c (rtx_renumbered_equal_p): Likewise.
4625         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4626         CONST_INT and CONST_DOUBLE.
4627         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4628         * reload.c (operands_match_p): Special case CONST_INT and
4629         CONST_DOUBLE; check mode earlier.
4630
4631 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4632
4633         PR c/22240
4634         * c-typeck.c (convert_for_assignment): Do not check
4635         DECL_IN_SYSTEM_HEADER on NULL fundecl.
4636
4637 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4638
4639         PR c/22192
4640         * c-typeck.c (composite_type): Prefer constant size arrays to
4641         VLAs.
4642
4643 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
4644
4645         PR c/21720
4646         * real.c (real_from_string): Set last bit if there is a nonzero
4647         hex digit beyond GCC's internal precision.
4648
4649 2005-07-28  Richard Henderson  <rth@redhat.com>
4650
4651         PR rtl-opt/22619
4652         * cfgcleanup.c (try_forward_edges): Watch out for end of
4653         insn chain.
4654
4655 2005-07-28  James E Wilson  <wilson@specifixinc.com>
4656
4657         PR c/23106
4658         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4659
4660 2005-07-28  Jan Hubicka  <jh@suse.cz>
4661
4662         * Makefile.in (rtl-profile.o): Kill all traces of it.
4663         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4664         * coverage.h (rtl_coverage_counter_ref): Kill.
4665         * opts.c (flag_speculative_prefetching_set): Kill.
4666         (flag_loop_optimize_set): New.
4667         (common_handle_option): Disable loop optimizer when profiling;
4668         do not handle speculative prefetching.
4669         * passes.c (init_optimization_passes): Replace pass_profiling combo
4670         by branch_prob pass.
4671         * profile.c (compute_value_histograms): Update for simplified value
4672         profiles.
4673         (rtl_register_profile_hooks): Kill.
4674         (pass_profiling): Kill.
4675         (rest_of_handle_branch_prob): Do not profile.
4676         * toplev.c (process_options): Remove speculative prefetching.
4677         * toplev.h (flag_tree_based_profiling): Kill.
4678         * tree-profile.c (prepare_instrumented_value,
4679         tree_gen_interval_profiler, tree_gen_pow2_profiler,
4680         tree_gen_one_value_profiler, do_tree_profiling): Update for
4681         simplified datastructures.
4682         * value-prof.c: Add comment that speculative prefetching was dropped;
4683         update rest of file for simplified datastructures.
4684         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4685         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4686         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4687         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4688         rtl_mod_subtract, gen_speculative_prefetch,
4689         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4690         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4691         (gate_handle_value_profile_transformations,
4692         rest_of_handle_value_profile_transformations,
4693         pass_value_profile_transformations): Kill.
4694         * value-prof.h (histogram_value_t): Remove IL based unions.
4695         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4696         rtl_profile_hooks): Remove hooks.
4697
4698         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4699
4700         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4701         (cgraph_clone_node): Likewise.
4702         * cgraph.h (cgraph_clone_edge): Update prototype.
4703         (cgraph_clone_node): Likewise.
4704         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4705         cgraph_clone_node.
4706         (lookup_recursive_calls): Consider profile.
4707         (cgraph_decide_recursive_inlining): Fix updating; use new
4708         probability argument; use profile.
4709         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4710         * tree-inline.c (copy_bb): Update clal of clone_edge.
4711         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4712
4713         * invoke.texi (min-inline-recursive-probability): Document.
4714
4715 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
4716
4717         * doc/install.texi (Configuration): Update Valgrind homepage.
4718
4719 2005-07-28  Richard Henderson  <rth@redhat.com>
4720
4721         PR middle-end/21362
4722         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4723         labels we want to delete.
4724         (cfg_layout_merge_blocks): Likewise.
4725
4726 2005-07-28  Richard Henderson  <rth@redhat.com>
4727
4728         PR target/17692
4729         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4730         when expanding to nothing.
4731
4732 2005-07-28  Josh Conner  <jconner@apple.com>
4733
4734         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4735         (cgraph_decide_inlining_of_small_functions): Likewise.
4736
4737 2005-07-28  Josh Conner  <jconner@apple.com>
4738
4739         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
4740         direction of badness if negative.
4741         (cgraph_default_inline_p): Add reason to parameters, and assign it
4742         a value.
4743         (cgraph_decide_inlining_of_small_functions): New parameter in call
4744         to cgraph_default_inline_p.
4745         (cgraph_decide_inlining_incrementally): Likewise.
4746         * cgraphunit.c (decide_is_function_needed): Likewise.
4747         * cgraph.h (cgraph_default_inline_p): Likewise.
4748
4749 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4750
4751         * builtins.c: Fix comment typo(s).
4752         * genautomata.c: Likewise.
4753         * gimplify.c: Likewise.
4754         * tree-dfa.c: Likewise.
4755         * tree-flow-inline.h: Likewise.
4756         * tree-into-ssa.c: Likewise.
4757         * tree-ssa-alias.c: Likewise.
4758         * tree-ssa-ccp.c: Likewise.
4759         * tree-ssa-copy.c: Likewise.
4760         * tree-ssa-dce.c: Likewise.
4761         * tree-ssa-dom.c: Likewise.
4762         * tree-ssa-operands.c: Likewise.
4763         * tree-tailcall.c: Likewise.
4764         * tree-vectorizer.c: Likewise.
4765         * tree-vrp.c: Likewise.
4766         * tree.c: Likewise.
4767
4768 2005-07-28  Jeff Law  <law@redhat.com>
4769
4770         * tree-vrp.c (test_for_singularity): Extracted from  ...
4771         (simplify_cond_using_ranges): Attempt to simplify a relational
4772         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
4773
4774 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
4775
4776         PR tree-optimization/22506
4777         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4778         phis whose argument is constant.
4779
4780 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
4781
4782         PR rtl-optimization/18992
4783         Back out this patch:
4784           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4785           PR optimization/12142
4786           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4787           uses of the register in the SET_SRC.  Remove unnecessary argument.
4788
4789         Replace it with this:
4790         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4791         if flag_non_call_exceptions is set and the insn may trap, pass
4792         pc_rtx as dest for recursion.
4793         In SET_SRC part of SET case, if dest is already set, pass it down
4794         unchanged.
4795
4796 2005-07-28  Jan Hubicka  <jh@suse.cz>
4797
4798         * cfg.c (update_bb_profile_for_threading): Use RDIV.
4799         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4800         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4801         roundoff errors.
4802         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4803         profile when available.
4804
4805 2005-07-28  Jan Beulich <jbeulich@novell.com>
4806
4807         * config/ia64/ia64.c (ia64_load_pair_ok): New.
4808         (ia64_print_operand): Describe and handle 'X'.
4809         (ia64_register_move_cost): Also handle FP_REGS.
4810         (ia64_preferred_reload_class): Likewise.
4811         (ia64_secondary_reload_class): Likewise.
4812         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4813         it. Also check for ITANIUM_CLASS_FLDP.
4814         * config/ia64/ia64.h (FP_REGNO_P): New.
4815         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4816         (reg_class): Add FP_REGS.
4817         (REG_CLASS_NAMES): Adjust for it.
4818         (REG_CLASS_CONTENTS): Likewise.
4819         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4820         (REG_CLASS_FROM_LETTER): Handle 'x'.
4821         (CLASS_MAX_NREGS): Handle FP_REGS.
4822         (MEMORY_MOVE_COST): Likewise.
4823         * config/ia64/ia64.md (itanium_class): Add fldp.
4824         (type): Handle fldp.
4825         (movti_internal): More allowable operand combinations. Use ldfp8 when
4826         splitting unnecessary. Remove predicable attribute. Adjust
4827         itanium_class attribute.
4828         (smuldi3_highpart): Remove outdated comment.
4829         (mulditi3, umulditi3, rotlti3): New expanders.
4830         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4831         (absti2): Disabled new insn for future reference.
4832         Respective new splitters.
4833         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4834         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4835         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4836
4837 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
4838
4839         PR rtl-optimization/23047
4840         * simplify-rtx.c (simplify_const_relational_operation): Respect
4841         flag_wrapv for comparisons with ABS.
4842
4843 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
4844
4845         PR tree-optimization/22493
4846         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4847         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4848
4849 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
4850
4851         * config/frv/frv.opt (moptimize-membar): New.
4852
4853         * doc/invoke.texi: Document -moptimize-membar and its inverse.
4854
4855         * config/frv/frv.h: Remove machine_function definition.
4856
4857         * config/frv/frv.c (struct frv_io): New.
4858         (struct machine_function): Moved from frv.h.  Add has_membar_p.
4859         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4860         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4861         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4862         (frv_optimize_membar_global, frv_optimize_membar): New functions.
4863         (frv_reorg): Call frv_optimize_membar when appropriate.
4864         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4865         (frv_expand_builtin): Adjust calls accordingly.
4866         (frv_io_address_cookie): New function.
4867         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4868         load or store rather than a special insn.  Add ccnstant address and
4869         io-type operands to the membar.
4870         (frv_ifcvt_modify_tests): Unsign regno.
4871         (frv_ifcvt_modify_tests): Same.
4872
4873         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
4874         UNSPEC_OPTIONAL_MEMBAR constant.
4875         (builtin_read_<mode>): Delete.
4876         (builtin_write_<mode>): Delete.
4877         ("optional_membar_<mode>"): Add operand.
4878
4879         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4880         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4881         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4882         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4883         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4884         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4885         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4886         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4887         * testsuite/gcc.target/frv/all-read-write-1.c: New.
4888
4889 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
4890
4891         * df.c (df_uses_record): Handle SCRATCH.
4892
4893 2005-07-28  Steven Bosscher  <stevenb@suse.de>
4894
4895         PR debug/20161
4896         * passes.c (rest_of_decl_compilation): If decl is a type and
4897         we have encountered errors, don't emit debug information.
4898
4899 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
4900
4901         * params.def: Fixed comment.
4902
4903 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
4904
4905         PR target/19885
4906         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4907         (TARGET_ASM_UNALIGNED_HI_OP): Add.
4908         (TARGET_ASM_UNALIGNED_SI_OP): Add.
4909
4910 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4911
4912         PR c++/22003
4913         * varasm.c (assemble_start_function): Don't do anything that may
4914         require a CFG if the current function is a thunk.
4915
4916 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
4917
4918         * doc/install.texi (Prerequisites): Mention that perl is needed
4919         to do export control in libstdc++ targetting Darwin.
4920
4921 2005-07-27  Steven Bosscher  <stevenb@suse.de>
4922
4923         PR rtl-optimization/17808
4924         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4925         (sched_insns_conditions_mutex_p): Split out from...
4926         (add_dependence): ...here.  But don't call it from here.
4927         (add_dependence_list): Check sched_insns_conditions_mutex_p
4928         before calling add_dependence.
4929         (add_dependence_list_and_free): Likewise.
4930         (fixup_sched_groups): Likewise.
4931         (sched_analyze_1): Likewise.
4932         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4933         (sched_analyze): Likewise.
4934         (sched_analyze_insn): Likewise.
4935         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4936         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
4937         dependencies on all COND_EXEC insns to jumps ending basic blocks
4938         when doing intrablock scheduling.
4939         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4940
4941 2005-07-27  Jeff Law  <law@redhat.com>
4942
4943         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4944         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
4945         equivalency sets, correctly handle the case were vr0 has an
4946         equivalency set, but vr1 does not.
4947
4948 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
4949
4950         PR tree-optimization/23073
4951         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4952         vect_print_dump_info before fprintf.
4953
4954 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4955
4956         PR tree-optimize/22348
4957         * tree-ssa-loop-niter.c (number_of_iterations_cond):
4958         Fold the partial computation.
4959
4960 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4961
4962         PR tree-optimization/22325
4963         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4964         Declare.
4965         * tree-scalar-evolution.c (scev_const_prop): Add generic final
4966         value replacement.
4967         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4968         (force_var_cost): ... this function.
4969         (compute_phi_arg_on_exit): Export.
4970
4971 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
4972
4973         PR tree-optimization/20773
4974         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4975         edge.
4976
4977 2005-07-27  Richard Guenther  <rguenther@suse.de>
4978
4979         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4980         Avoid pushing again if current struct contains only
4981         fields we decomposed.
4982
4983 2005-07-27  Jan Hubicka  <jh@suse.cz>
4984
4985         PR tree-optimization/22574
4986         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4987         not available.
4988
4989         * tree-tailcall.c (decrease_profile): New function.
4990         (eliminate_tail_call): Use it.
4991
4992         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4993         visibility flags correctly in whole program mode.
4994
4995 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
4996
4997         PR rtl-optimization/22472
4998         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4999
5000 2005-07-26  Steven Bosscher  <stevenb@suse.de>
5001
5002         PR tree-optimization/22504
5003         * tree-complex.c (expand_complex_addition): Use 'code' instead
5004         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5005
5006 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5007
5008         * config.gcc (cpu_type): Add frv case.
5009         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5010         (supported_defaults): Add fr550 case.
5011
5012 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
5013
5014         PR 22591
5015         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5016         whether a pointer of type T * may point to objects of type T *.
5017
5018 2005-07-26  DJ Delorie  <dj@redhat.com>
5019
5020         * configure: Regenerate.
5021
5022 2005-07-26  Dale Johannesen  <dalej@apple.com>
5023
5024         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
5025
5026 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
5027
5028         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5029         Clarify use of "build" in name.
5030
5031 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5032
5033         * doc/extend.texi (Raw read/write Functions): New section.
5034         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5035         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5036         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5037         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5038         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5039         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5040         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5041         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5042         * config/frv/frv.c: Add bdesc_loads global.
5043         Add bdesc_stores global.
5044         (frv_init_builtins): Add support for __builtin_{read/write}*.
5045         (frv_volatile_memref): New.
5046         (frv_expand_load_builtin): New.
5047         (frv_expand_store_builtin): New.
5048         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5049         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5050         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5051         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5052         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5053         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5054         (builtin_read_<mode>): New.
5055         (builtin_write_<mode>): New.
5056         (builtin_write64): New.
5057         (optional_membar_<mode>): New.
5058
5059 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
5060
5061         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5062         (rather than units) against HOST_BITS_PER_WIDE_INT.
5063
5064 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
5065
5066         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5067         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5068         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5069         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5070         FSF address.
5071
5072         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5073         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5074         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5075         comment typos.
5076         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5077
5078 2005-07-26  Richard Guenther  <rguenther@suse.de>
5079
5080         PR tree-optimization/22486
5081         * fold-const.c (fold_unary): Fold away useless component
5082         references of the form (T *)&T.x, if the address
5083         doesn't change.
5084
5085 2005-07-25  James E Wilson  <wilson@specifixinc.com>
5086
5087         * dwarf2out.c (add_call_src_coords_attributes): New.
5088         (gen_inlined_subroutine_die): Call it.
5089         (maybe_emit_file, init_file_table): Add comments.
5090         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5091         maybe_emit_file.
5092         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5093         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5094         * tree.h (BLOCK_SOURCE_LOCATION): New.
5095         (struct tree_block): New field locus.
5096
5097 2005-07-26  Andreas Schwab  <schwab@suse.de>
5098
5099         PR rtl-optimization/23043
5100         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5101         when allocating a struct unoccr.
5102
5103 2005-07-25  Richard Henderson  <rth@redhat.com>
5104
5105         PR 22626
5106         * tree-complex.c (gate_no_optimization): True if errors.
5107         * Makefile.in (tree-complex.o): Update dependencies.
5108
5109 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
5110
5111         * config/frv/predicates.md (integer_register_operand): Use
5112         GPR_AP_OR_PSEUDO_P.
5113
5114 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
5115
5116         PR tree-opt/22484
5117         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5118         after fold.
5119         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5120
5121 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
5122
5123         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5124         types when flag_unsafe_math_optimizations is true.
5125
5126 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
5127
5128         * gcc.c (option_map): Add --sysroot.
5129         (process_command): Handle --sysroot.
5130         (display_help): Document it.
5131         * doc/cppopts.tex (-isysroot): Document.
5132         * doc/invoke.texi (--sysroot): Document.
5133         * doc/install.texi (--with-build-sysroot): Document.
5134
5135         * Makefile.in (inhibit_libc): New variable.
5136         (INHIBIT_LIBC_CFLAGS): Likewise.
5137         (LIBGCC2_CFLAGS): Include
5138         $(INHIBIT_LIBC_CFLAGS).
5139         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5140         ($(T)crtbegin.o): Do not use @inhibit_libc@.
5141         ($(T)crtend.o): Likewise.
5142         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5143         ($(T)crtendS.o): Likewise.
5144         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5145         ($(T)crtendT.o): Likewise.
5146         (stmp-fixinc): Do not complain about missing headers if
5147         inhibit_libc.
5148         * configure.ac (inhibit_libc): Set it to true/false.
5149         (--with-build-sysroot): New option.  Use it to set
5150         SYSTEM_HEADER_DIR.
5151         * configure: Regenerated.
5152
5153 2005-07-25  Manfred Hollstein  <mh@suse.com>
5154
5155         * calls.c (store_one_arg): Fix unsigned comparison warning.
5156
5157 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5158
5159         PR other/22337
5160         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5161         (ggc_print_statistics): Initialize variable before use.
5162
5163 2005-07-25  Richard Guenther  <rguenther@suse.de>
5164
5165         * tree-dfa.c (mark_new_vars_to_rename): Protect against
5166         calling with a PHI_NODE argument.
5167
5168         * tree-flow-inline.h (overlap_subvar): Protect against
5169         possible overflow.
5170
5171 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
5172
5173         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5174         * configure: Regenerate.
5175
5176 2005-07-25  Ira Rosen  <irar@il.ibm.com>
5177
5178         * expr.c (highest_pow2_factor): Make extern.
5179         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5180         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5181         record_array_differ_p, array_ptr_differ_p): Likewise.
5182         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5183         additional cases. Call the above functions.
5184         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5185         base_object_differ_p when there are two base objects. Otherwise, compare
5186         base address and offset. Call may_alias_p.
5187         (dump_data_reference): Use a correct field name.
5188         (analyze_array): Make static. Initialize new data-ref fields.
5189         (analyze_indirect_ref): New function.
5190         (init_data_ref): Initialize new data-ref fields.
5191         (strip_conversion): Moved from tree-vect-analyze.c.
5192         (analyze_offset_expr, get_ptr_offset, address_analysis,
5193         object_analysis): Likewise.
5194         (analyze_offset): New function.
5195         (create_data_ref): Likewise.
5196         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5197         dimensions for ARRAY_REFs only.
5198         (build_classic_dist_vector): Make static.
5199         (access_functions_are_affine_or_constant_p): Call macro to get the
5200         address of access functions.
5201         (compute_all_dependences): Add new parameter
5202         compute_self_and_read_read_dependences. Compute self and read-read
5203         dependences if it is true.
5204         (find_data_references_in_loop): Call create_data_ref. Initialize new
5205         data-ref fields.
5206         (compute_data_dependences_for_loop): Add new parameter
5207         compute_self_and_read_read_dependences. Remove parameter nb_loops,
5208         compute nb_loops. Call compute_all_dependences,
5209         build_classic_dist_vector and build_classic_dir_vector with correct
5210         parameters.
5211         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5212         with correct parameters. Compare dimensions for ARRAY_REFs only.
5213         (free_data_refs): Call macro to free access functions.
5214         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5215         fields from stmt_vinfo.
5216         (struct base_object_info): New structure.
5217         (struct data_reference): Move fields to base_object_info. Add fields
5218         first_location and object_info for above structures. Move fields from
5219         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5220         aligned_to.  Add macros to access the new fields.
5221         Update functions declarations.
5222         * tree-flow.h (is_aliased_with): Declare.
5223         * tree-loop-linear.c (linear_transform_loops): Call
5224         compute_data_dependences_for_loop with correct parameters.
5225         * tree-ssa-alias.c (is_aliased_with): New function.
5226         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5227         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5228         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5229         vect_base_addr_differ_p, compute_subscript_distance and
5230         build_classic_dist_vector. Add printings. Check absolute value of
5231         distance.
5232         (vect_analyze_data_ref_dependences): Go through ddrs instead of
5233         data-refs.
5234         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5235         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5236         to bytes. Add printing.
5237         (vect_compute_data_refs_alignment): Go through loads and stores in one
5238         loop.
5239         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5240         vect_analyze_data_ref_access): Likewise.
5241         (vect_analyze_pointer_ref_access): Remove.
5242         (vect_address_analysis, vect_object_analysis): Likewise.
5243         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5244         and analyze data-refs in the loop.
5245         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5246         fields of data-ref instead of stmt. Add init to the offset from the
5247         base.
5248         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5249         (vect_update_init_of_dr): Likewise.
5250         (vect_update_inits_of_drs): Go through loads and stores in one loop.
5251         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5252         removed fields.
5253         (new_loop_vec_info): Initialize new fields.
5254         (destroy_loop_vec_info): Free new fields.
5255         (vect_strip_conversion): Remove.
5256         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5257         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5258         datarefs. Add new field ddrs.
5259         Add macros for the new fields access.
5260         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5261         base_aligned_p, misalignment, memtag, ptr_info and subvars.
5262         Remove their macros.
5263         * tree.h (highest_pow2_factor): Declare.
5264
5265 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
5266
5267         * calls.c (store_one_arg): Check for sibling call MEM arguments
5268         from already clobbered incoming argument area.
5269
5270 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5271
5272         * c-common.c (check_missing_format_attribute): New.
5273         * c-common.h (check_missing_format_attribute): Likewise.
5274         * c-typeck.c (convert_for_assignment): Use it.
5275
5276 2005-07-24  Andreas Schwab  <schwab@suse.de>
5277
5278         * config/m68k/m68k.md ("extendqidi2"): When source is an address
5279         register use a word move.  Correct operand of ext.w in 68000 code.
5280
5281 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
5282
5283         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5284         variables as declarations, rather than definitions.
5285
5286 2005-07-24  Ira Rosen  <irar@il.ibm.com>
5287
5288         PR tree-optimization/22526
5289         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5290         of the zero node.
5291
5292 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5293
5294         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5295         that C99 reserve for future use. Use it to define clog10,
5296         clog10f and clog10l.
5297
5298 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5299
5300         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5301         * configure.ac: Check for -Wmissing-format-attribute.
5302
5303         * configure: Regenerate.
5304
5305 2005-07-23  Richard Henderson  <rth@redhat.com>
5306
5307         PR tree-optimization/22623
5308         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5309
5310 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
5311
5312         PR target/22577
5313         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5314
5315 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5316
5317         * Makefile.in (C_TREE_H): Update dependencies.
5318         * c-tree.h: Include toplev.h.
5319         * diagnostic.h (diagnostic_set_info): Add format attribute.
5320         * rtl-error.c (diagnostic_for_asm): Likewise.
5321
5322 2005-07-23  Chao-ying Fu  <fu@mips.com>
5323
5324         * config/mips/mips-dsp.md: New file.
5325         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5326         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5327         functions.
5328         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5329         MIPS_BUILTIN_BPOSGE32.
5330         (mips_expand_builtin_direct): Add one parameter to indicate that
5331         builtin functions need to return a value.
5332         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5333         functions.
5334         (mips_regno_to_class): Add classes for 12 new DSP registers.
5335         (mips_subword): Change to check four HI registers.
5336         (mips_output_move): Output move to and from 6 new DSP accumulators.
5337         (override_options): Make sure -mdsp and -mips16 are not used together.
5338         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
5339         for machine modes.
5340         (mips_conditional_register_usage): Disable 6 new DSP accumulators
5341         when !TARGET_DSP.
5342         (print_operand): Add 'q' for printing DSP accumulators.
5343         (mips_cannot_change_mode_class): Check ACC_REGS.
5344         (mips_secondary_reload_class): Check ACC_REGS.
5345         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5346         (mips_register_move_cost): Check ACC_REGS.
5347         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5348         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5349         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5350         (dsp_bdesc): New array.
5351         (bdesc_arrays): Add DSP builtin function table.
5352         (mips_prepare_builtin_arg): Check predicate again after
5353         copy_to_mode_reg.
5354         (mips_expand_builtin): Add one more parameter to
5355         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5356         MIPS_BUILTIN_BPOSGE32.
5357         (mips_init_builtins): Initialize new function types.
5358         (mips_expand_builtin_direct): Check if builtin functions need to
5359         return a value and pass operands properly.
5360         (mips_expand_builtin_bposge): New function.
5361         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5362         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5363         (FIRST_PSEUDO_REGISTER): Increase to 188.
5364         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5365         Update for 12 new DSP registers.
5366         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5367         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5368         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5369         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5370         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5371         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5372         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5373         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5374         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5375         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5376         (REGISTER_NAMES): Add names for 12 new DSP registers.
5377         * config/mips/mips.md: Include mips-dsp.md.
5378         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5379         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5380         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5381         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5382         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5383         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5384         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5385         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5386         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5387         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5388         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5389         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5390         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5391         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5392         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5393         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5394         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5395         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5396         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5397         (UNSPEC_RDDSP): New constants.
5398         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5399         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
5400         A<-d alternative.
5401         * config/mips/mips.opt (-mdsp): New option.
5402         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5403         (reg_imm10_operand): New predicates.
5404         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5405         * doc/invoke.texi (-mdsp): Document new option.
5406
5407 2005-07-22  DJ Delorie  <dj@redhat.com>
5408
5409         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5410         to warning calls.
5411         * tree-inline.c (inlinable_function_p): Likewise.
5412
5413 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
5414
5415         PR debug/21828
5416         * toplev.c (check_global_declarations): Do not mark undefined
5417         variables as DECL_IGNORED_P.
5418         * varasm.c (first_global_object_name): GTY it.
5419         (weak_global_object_name): Likewise.
5420         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5421         a string to go into {weak,first}_global_object_name.
5422
5423 2005-07-22  DJ Delorie  <dj@redhat.com>
5424
5425         * c-format.c (check_function_format): Change warning control
5426         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5427
5428 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
5429
5430         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5431         &PTR->FLD a dereference of PTR.
5432         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5433         a potential dereference of PTR.
5434
5435 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
5436
5437         PR rtl-optimization/20370
5438         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5439         call allocate_reg_info if necessary.
5440
5441         PR rtl-optimization/21848
5442         * calls.c (emit_library_call_value_1): For const functions, add
5443         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5444
5445         PR rtl-optimization/22445
5446         * cselib.c (target.h): Include.
5447         (rtx_equal_for_cselib_p): Allow commutative matches.
5448         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5449         Remove MODE parameter.  Changed all callers.
5450
5451         PR rtl-optimization/22258
5452         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5453         New functions.
5454         (try_combine): Use likely_spilled_retval_p.
5455
5456 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
5457
5458         * config.gcc: Add crx-elf support.
5459
5460         * doc/contrib.texi: Mention crx.
5461         * doc/extend.texi: Document crx extensions.
5462         * doc/install.texi: Document crx install.
5463         * doc/invoke.texi: Document crx options.
5464         * doc/md.texi: Document crx constraints.
5465
5466         * config/crx/crx-protos.h: New file.
5467         * config/crx/crx.c: New file.
5468         * config/crx/crx.h: New file.
5469         * config/crx/crx.md: New file.
5470         * config/crx/crx.opt: New file.
5471         * config/crx/t-crx: New file.
5472
5473 2005-07-22  Manfred Hollstein  <mh@suse.com>
5474
5475         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5476         warnings.
5477         (int_add_graph_edge): Likewise.
5478         (collapse_nodes): Likewise.
5479         (process_unification_queue): Likewise.
5480
5481 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5482             Laurent GUERBY  <laurent@guerby.net>
5483
5484         PR tree-optimization/22336
5485         * function.c (record_block_change): Check for
5486         cfun->ib_boundaries_block.
5487
5488 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
5489
5490         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5491         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5492
5493 2005-07-21  DJ Delorie  <dj@redhat.com>
5494
5495         * toplev.c (warn_deprecated_use): Add warning control to warning
5496         call.
5497         * c-typeck.c (parser_build_binary_op): Likewise.
5498         (c_finish_if_stmt): Likewise.
5499         * c-common.c (check_function_sentinel): Likewise.
5500         (check_nonnull_arg): Likewise.
5501
5502 2005-07-21  Richard Henderson  <rth@redhat.com>
5503
5504         PR tree-opt/22504
5505         * tree-complex.c (complex_ssa_name_components): New.
5506         (cvc_lookup): Allow entry not found.
5507         (create_components): Remove.
5508         (create_one_component_var, get_component_var): New.
5509         (get_component_ssa_name, set_component_ssa_name): New.
5510         (extract_component): Use get_component_ssa_name.
5511         (update_complex_components): Use set_component_ssa_name.
5512         (update_complex_components_on_edge): Likewise.
5513         (update_phi_components): Create new PHI nodes directly, instead
5514         of adding insns to edges.
5515         (tree_lower_complex): Allocate and free complex_variable_components
5516         and complex_ssa_name_components here.
5517
5518 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
5519
5520         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5521         revert to returning false.
5522
5523 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5524
5525         PR target/21149
5526         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5527
5528 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
5529
5530         PR target/22576
5531         * config/i386/i386.md (cmpxf): Change operand constraints
5532         to "nonmemory_operand".
5533
5534 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5535
5536         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5537
5538 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5539
5540         PR middle-end/21180
5541         * fold-const.c (fold_build1): Add checksum for the operands.
5542         (fold_build2): Likewise.
5543         (fold_build3): Likewise.
5544
5545 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
5546
5547         PR middle-end/19055
5548         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5549
5550 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5551
5552         * common.opt (-fforward-propagate): Committed by mistake,
5553         removed.
5554
5555 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5556
5557         * reg-stack.c: Fix comment typo(s).
5558         * tree-ssa-operands.c: Likewise.
5559         * tree-vectorizer: Likewise.
5560
5561 2005-07-21  Nick Clifton  <nickc@redhat.com>
5562
5563         * config/sh/symbian.c: Replace C++ style line comments with C
5564         style line comments.
5565         (symbian_add_attribute): Do not use a ? operator on the LHS of
5566         an assignment.
5567         (sh_symbian_handle_dll_attribute): Change the type of the
5568         method vector to "VEC(tree,gc)*" and use vector accessor
5569         macros to walk over the elements.
5570         (symbian_export_vtable_and_rtti_p): Likewise.
5571         (symbian_class_needs_attribute_p): Likewise.
5572
5573 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5574
5575         PR target/22085
5576         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5577         initialize targetm.resolve_overloaded_builtin here.
5578         (altivec_expand_overloaded_builtin): Make it non-static.
5579         * config/rs6000/rs6000-protos.h
5580         (altivec_expand_overloaded_builtin): New prototype.
5581         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5582         targetm.resolve_overloaded_builtin here.
5583         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5584
5585 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
5586             Zdenek Dvorak  <dvorakz@suse.cz>
5587
5588         PR tree-optimization/19210
5589         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5590         New.
5591         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5592         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5593         rely on unproven assumptions.
5594         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5595         * tree-flow.h (number_of_iterations_exit): Add final parameter.
5596         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5597         to number_of_iterations_exit.
5598         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5599         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5600         * tree-ssa-loop-niter.c (find_loop_niter,
5601         estimate_numbers_of_iterations_loop): Likewise.
5602         (number_of_iterations_exit): Honor the new options.
5603         * doc/invoke.texi (Wunsafe-loop-optimizations,
5604         funsafe-loop-optimizations): Document them.
5605
5606 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
5607
5608         PR rtl-optimization/22167
5609         * gcse.c (hoist_code): Fix hoist_exprs[] check.
5610
5611 2005-07-20  Adam Nemet  <anemet@lnxw.com>
5612
5613         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5614         __do_global_dtors_aux longcall.
5615
5616 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
5617
5618         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5619         (old_special_pred_table): Don't reference
5620         SPECIAL_MODE_PREDICATES.
5621         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5622         * config/arc/arc.h: Don't mention PREDICATE_CODES.
5623         * config/sh/predicates.h: Don't mention
5624         SPECIAL_MODE_PREDICATES.
5625         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5626         Remove.
5627
5628 2005-07-20  DJ Delorie  <dj@redhat.com>
5629
5630         * config.gcc: Add m32c-elf support.
5631
5632         * doc/contrib.texi: Mention m32c.
5633         * doc/extend.texi: Document m32c extensions.
5634         * doc/install.texi: Mention m32c.
5635         * doc/invoke.texi: Document m32c options.
5636         * doc/md.texi: Document m32c constraints.
5637
5638         * config/m32c/addsub.md: New file.
5639         * config/m32c/bitops.md: New file.
5640         * config/m32c/cond.md: New file.
5641         * config/m32c/jump.md: New file.
5642         * config/m32c/m32c-lib1.S: New file.
5643         * config/m32c/m32c-lib2.c: New file.
5644         * config/m32c/m32c-modes.def: New file.
5645         * config/m32c/m32c-pragma.c: New file.
5646         * config/m32c/m32c-protos.h: New file.
5647         * config/m32c/m32c.abi: New file.
5648         * config/m32c/m32c.c: New file.
5649         * config/m32c/m32c.h: New file.
5650         * config/m32c/m32c.md: New file.
5651         * config/m32c/m32c.opt: New file.
5652         * config/m32c/minmax.md: New file.
5653         * config/m32c/mov.md: New file.
5654         * config/m32c/muldiv.md: New file.
5655         * config/m32c/predicates.md: New file.
5656         * config/m32c/prologue.md: New file.
5657         * config/m32c/shift.md: New file.
5658         * config/m32c/t-m32c: New file.
5659
5660 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5661
5662         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5663         (stack_protect_set, stack_protect_test): New expanders.
5664         (stack_protect_set_si, stack_protect_set_si_media,
5665         stack_protect_set_di_media, stack_protect_test_si,
5666         stack_protect_test_si_media, stack_protect_test_di_media):
5667         New insns.
5668
5669 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
5670
5671         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5672
5673 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
5674
5675         * tree.h (tree_expr_nonzero_p): Export.
5676         * fold-const.c (tree_expr_nonzero_p): Likewise.
5677         Return true for CALL_EXPRs that are alloca calls.
5678         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5679         against zero.
5680         * tree-flow.h (expr_computes_nonzero): Remove.
5681         * tree-vrp.c (expr_computes_nonzero): Remove.
5682         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5683         (extract_range_from_unary_expr): Likewise.
5684         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5685         tree_expr_nonzero_p.
5686
5687 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
5688
5689         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5690         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
5691         extra arg "picreg" and use it instead of pic_offset_table_rtx.
5692         All callers changed.
5693         (frame_related_constant_load): New arg "related" which controls
5694         setting of RTX_FRAME_RELATED_P.  All callers changed.
5695         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5696         (bfin_expand_prologue): Add stack limit checking.
5697         * config/bfin/bfin.md (trapifcc): New pattern.
5698
5699         * config/bfin/bfin.c: Include "langhooks.h".
5700         (def_builtin): Go through lang_hooks to call builtin_function.
5701
5702         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5703         * config/bfin/predicates.md (symbol_ref_operand): New.
5704         (call_insn_operand): Delete.  All callers changed to use
5705         register_no_elim_operand.
5706         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5707         call_cookie field.
5708         (function_arg): Use it to generate the call's operand 2.
5709         (bfin_longcall_p): New function.
5710         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
5711         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
5712         determine if the address needs to be in a REG.
5713         (bfin_handle_longcall_attribute): New function.
5714         (bfin_attribute_table): Add "longcall" and "shortcall".
5715         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5716         (CUMULATIVE_ARGS): New member call_cookie.
5717         (PREDICATE_CODES): Add symbol_ref_operand.
5718         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5719         extra USE to the pattern.
5720         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5721         New patterns, split off call_insn, sibcall_insn, call_value_insn and
5722         sibcall_value_insn; now the new patterns handle direct calls and the
5723         old ones indirect calls.
5724         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5725
5726 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
5727
5728         * doc/trouble.texi: Update section on handling of empty loops.
5729
5730 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
5731
5732         * config.gcc: Remove support for sparc-*-openbsd*,
5733         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5734         ns32k-*-netbsd*.
5735         * config.host: Remove support for i860-*-sysv4* as a host.
5736         * config/i860/*, config/ip2k/*, config/ns32k/*,
5737         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5738         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5739         mention obsolete ports.
5740
5741 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5742
5743         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5744         soft frame pointer.
5745         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5746         of frame_pointer_rtx.
5747         (sh_expand_epilogue): Likewise.
5748         (sh_set_return_address): Likewise.
5749         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5750         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
5751         offsets from FRAME_POINTER_REGNUM.
5752         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5753         (sh_register_names): Add initializer for sfp.
5754         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5755         (VALID_REGISTER_P): Likewise.
5756         (FIRST_PSEUDO_REGISTER): Update.
5757         (DWARF_FRAME_REGISTERS): Define.
5758         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5759         (HARD_FRAME_POINTER_REGNUM): Define.
5760         (FRAME_POINTER_REGNUM): Redefine.
5761         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5762         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
5763         from FRAME_POINTER_REGNUM.
5764         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5765         FRAME_POINTER_REGNUM.
5766         (REG_CLASS_CONTENTS): Add sfp.
5767         (REG_ALLOC_ORDER): Likewise.
5768         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
5769         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5770         of frame_pointer_rtx.
5771         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5772
5773 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
5774
5775         * fold-const.c (tree_expr_nonnegative_p): Only return true for
5776         ABS_EXPR when flag_wrapv is false because of INT_MIN.
5777         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5778         of an ABS_EXPR.
5779         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5780         ABS_EXPR<x>.
5781
5782 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
5783
5784         Make CONSTRUCTOR use VEC to store initializers.
5785         * c-common.c (complete_array_type): Update to cope with VEC in
5786         CONSTRUCTOR_ELTS.
5787         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5788         (pp_c_constructor_elts): New function.
5789         * c-pretty-print.h (pp_c_constructor_elts): Declare.
5790         * c-typeck.c (build_function_call, build_c_cast, digest_init,
5791         struct constructor_stack, struct initializer_stack,
5792         constructor_elements, push_init_level, pop_init_level,
5793         add_pending_init, find_init_member, output_init_element): Update to
5794         cope with VEC in CONSTRUCTOR_ELTS.
5795         * coverage.c (build_fn_info_value, build_ctr_info_value,
5796         build_gcov_info): Likewise.
5797         * expr.c (categorize_ctor_elements_1, store_constructor,
5798         expand_expr_real_1): Likewise.
5799         * fold-const.c (fold_ternary): Likewise.
5800         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5801         gimplify_init_constructor, gimplify_expr): Likewise.
5802         * tree-dump.c (dequeue_and_dump): Likewise.
5803         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5804         node.
5805         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5806         CONSTRUCTOR_ELTS.
5807         * tree-sra.c (generate_element_init_1): Likewise.
5808         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5809         * tree-ssa-operands.c (get_expr_operands): Likewise.
5810         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5811         * tree-vect-transform.c (vect_get_vec_def_for_operand):
5812         (get_initial_def_for_reduction): Likewise.
5813         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5814         value handle in annotations.
5815         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5816         tree_node_structure): Add support for constr_kind.
5817         (build_vector_from_ctor, build_constructor_single,
5818         build_constructor_from_list): New functions.
5819         (build_constructor): Update to take a VEC instead of a TREE_LIST.
5820         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5821         Update to cope with VEC in CONSTRUCTOR_ELTS.
5822         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5823         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5824         CONSTRUCTOR_APPEND_ELT): New macros.
5825         (struct constructor_elt, struct tree_constructor): New data types.
5826         (union tree_node): Add tree_constructor field.
5827         * treestruct.def: Define TS_CONSTRUCTOR.
5828         * varasm.c (const_hash_1, compare_constant, copy_constant,
5829         compute_reloc_for_constant, output_addressed_constants,
5830         initializer_constant_valid_p, output_constant,
5831         array_size_for_constructor, output_constructor): Update to cope with
5832         VEC in CONSTRUCTOR_ELTS.
5833         * vec.h (VEC_empty, VEC_copy): New macros.
5834
5835 2005-07-19  Devang Patel  <dpatel@apple.com>
5836
5837         * dbxout.c (dbxout_type): Check Objective-C++ lang.
5838
5839 2005-07-19  Richard Henderson  <rth@redhat.com>
5840
5841         PR tree-opt/22278
5842         * gimplify.c (gimplify_expr): Use main variant type for the temp
5843         destination for a discarded volatile read.
5844         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5845         casts between non-void types that change volatility.
5846
5847 2005-07-15  DJ Delorie  <dj@redhat.com>
5848
5849         * toplev.h: Add comment about the first parameter for warning().
5850         * errors.h: Likewise.
5851
5852         * c.opt (Wpragmas): New.
5853         * doc/invoke.texi: Document it.
5854
5855         * function.c (do_warn_unused_parameter): Add warning control to
5856         warning call.
5857         * c-decl.c (warn_if_shadowing): Likewise.
5858         * c-lex.c (cb_def_pragma): Likewise.
5859         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5860         (pop_alignment): Likewise.
5861         (handle_pragma_pack): Likewise.
5862         (apply_pragma_weak): Likewise.
5863         (handle_pragma_weak): Likewise.
5864         (handle_pragma_redefine_extname): Likewise.
5865         (add_to_renaming_pragma_list): Likewise.
5866         (handle_pragma_extern_prefix): Likewise.
5867         (maybe_apply_renaming_pragma): Likewise.
5868         (handle_pragma_visibility): Likewise.
5869
5870         * config/c4x/c4x-c.c (BAD): Likewise.
5871         (c4x_parse_pragma): Likewise.
5872         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5873         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5874         (rs6000_pragma_longcall): Likewise.
5875         * config/v850/v850-c.c (pop_data_area): Likewise.
5876         (ghs_pragma_section): Likewise.
5877         (ghs_pragma_section): Likewise.
5878         (ghs_pragma_interrupt): Likewise.
5879         (ghs_pragma_starttda): Likewise.
5880         (ghs_pragma_startsda): Likewise.
5881         (ghs_pragma_startzda): Likewise.
5882         (ghs_pragma_endtda): Likewise.
5883         (ghs_pragma_endsda): Likewise.
5884         (ghs_pragma_endzda): Likewise.
5885
5886 2005-07-19  Danny Berlin <dberlin@dberlin.org>
5887             Kenneth Zadeck <zadeck@naturalbridge.com>
5888
5889         * Makefile.in: Removed tree-promote-statics.c
5890         * tree-promote-statics.c: Removed.
5891         * common.opt: Removed flag-promote-statics.
5892         * opts.c: Ditto.
5893         * passes.c: Removed tree-promote-statics pass.
5894         * tree-pass.h: Ditto.
5895         * timevar.def: Removed TV_PROMOTE_STATICS.
5896
5897
5898 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
5899
5900         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5901         and *-*-freebsd9.
5902         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5903
5904 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5905
5906         PR c/22476
5907         * c-common.c (check_function_arguments): Call
5908         'check_function_format' if either -Wformat or
5909         -Wmissing-format-attribute are specified.
5910         * c-format.c (check_function_format): Check -Wformat before
5911         calling 'check_format_info'.
5912         * c-opts.c (c_common_post_options): Don't warn for
5913         -Wmissing-format-attribute without -Wformat.
5914         * c-typeck.c (convert_for_assignment): Detect additional cases for
5915         -Wmissing-format-attribute.
5916         * doc/invoke.texi (-Wmissing-format-attribute): Document new
5917         behavior.
5918
5919 2005-07-19  Richard Guenther  <rguenther@suse.de>
5920
5921         * config/i386/i386.md (lrint<mode>2): Use temporary
5922         instead of clobbering non-existent memory.
5923
5924 2005-07-19  Nick Clifton  <nickc@redhat.com>
5925
5926         * config/avr/avr.c (legitimate_address_p): Fix debugging print
5927         statement to avoid displaying ASCII control characters.
5928
5929 2005-07-19  Ben Elliston  <bje@au.ibm.com>
5930
5931         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5932         * cfganal.c (find_edge_index): Ditto.
5933         * combine.c (combine_instructions): Ditto.
5934         * ddg.c (create_scc): Ditto.
5935         (find_successors): Ditto.
5936         (find_predecessors): Ditto.
5937         (find_nodes_on_paths): Ditto.
5938         (longest_simple_path): Ditto.
5939         * flow.c (update_life_info): Ditto.
5940         (count_or_remove_death_notes): Ditto.
5941         (clear_log_links): Ditto.
5942         * modulo-sched.c (generate_reg_moves): Ditto.
5943         (find_max_asap): Ditto.
5944         (find_max_hv_min_mob): Ditto.
5945         (find_max_dv_min_mob): Ditto.
5946         * sbitmap.c (sbitmap_first_set_bit): Ditto.
5947         * sched-rgn.c (extract_edgelst): Ditto.
5948         * tree-into-ssa.c (prepare_names_to_update): Ditto.
5949         (dump_update_ssa): Ditto.
5950         (ssa_names_to_replace) Ditto.
5951         (switch_virtuals_to_full_rewrite): Ditto.
5952         (update_ssa): Ditto.
5953         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5954
5955 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
5956
5957         Fix PR tree-optimization/22483
5958
5959         * tree-complex.c (create_components): Use
5960         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5961         * tree-flow-inline.h (fill_referenced_var_vec): New function.
5962         * tree-flow.h (safe_referenced_var_iterator): New structure.
5963         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5964         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5965         safe_referenced_var iterator.
5966         (add_type_alias): Ditto.
5967
5968 2005-07-19  Steven Bosscher  <stevenb@suse.de>
5969
5970         * loop-init.c (rest_of_handle_loop2): Remove.
5971         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5972         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5973         (pass_rtl_loop_init, pass_rtl_loop_done,
5974         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5975         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5976         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5977         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5978         pass_tree_loop_done, and pass_tree_unswitch.
5979         (gate_loop): Rename to gate_tree_loop.
5980         * passes.c (init_optimization_passes): Update for renamed tree
5981         loop passes.  Add the new loop2 passes as subpasses of loop2.
5982         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5983         Update for the renamed tree loop passes.
5984
5985 2005-07-18  Ian Lance Taylor  <ian@airs.com>
5986
5987         PR middle-end/22057
5988         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5989         blocks when optimizing.
5990
5991 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
5992
5993         * common.opt (frename-registers): Initialize to 2.
5994         (fweb): Ditto.
5995         (fgcse-after-reload): Ditto.
5996         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5997         (process_options): Only change flag_web, flag_rename_registers,
5998         and flag_rerun_cse_after_loop if not explicitly set by user.
5999
6000 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6001
6002         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6003         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6004         in 64-bit mode the same as DImode in 32-bit mode.
6005         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6006         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6007         mode. Add new mode parameter.
6008         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6009         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6010         x86_64_shift_adj): New expanders.
6011         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6012         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6013         insns.
6014         Respective new splitters. Use renamed shift splitter helpers in 32-bit
6015         DImode shift splitters.
6016         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6017         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6018         mode parameter.
6019
6020 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6021
6022         * i386.md (movdi_extzv_1): New.
6023         (zero_extendhidi2): Combine alternatives and never force use of
6024         REX64 prefix.
6025         (zero_extendqidi2): Likewise. Don't restrict input selection.
6026
6027 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6028
6029         Fix PR tree-optimization/22531
6030         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
6031          moment.
6032
6033 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6034
6035         * tree-promote-statics.c (pass_promote_statics): Change dump file
6036          name.
6037
6038 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6039
6040         * tree-optimize.c (init_tree_optimization_passes): Add
6041         pass_eliminate_useless_stores pass.
6042         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6043         * tree-ssa-pre.c (is_copy_stmt): New function.
6044         (follow_copies_till_vuse): Ditto.
6045         (do_eustores): Ditto.
6046         (gate_eustores): Ditto.
6047
6048 2005-07-16  Richard Henderson  <rth@redhat.com>
6049
6050         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6051
6052 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6053            Kenneth Zadeck <zadeck@naturalbridge.com>
6054
6055         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6056         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6057         ipa-type-escape.h, tree-promote-statics.c
6058         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6059         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6060         tree-promote-statics.c: new files.
6061         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6062         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6063         int nonlocal_set_p, mark_constant_function): Deleted.
6064         (rest_of_handle_cfg): Removed call to mark_constant_function.
6065         (nonoverlapping_component_refs_p): Added calls to support
6066         type based aliasing.
6067         * tree-ssa-alias.c (may_alias_p,
6068         compute_flow_insensitive_aliasing): Ditto.
6069         * calls.c (flags_from_decl_or_type): Removed reference to
6070         cgraph_rtl_info.
6071         * c-typeck.c (convert_arguments): Make builtins tolerant of having
6072         too many arguments.  This is necessary for Spec 2000.
6073         * cgraph.h (const_function, pure_function): Removed.
6074         * common.opt: Added "fipa-pure-const", "fipa-reference",
6075         "fipa-type-escape", and "ftree-promote-static".
6076         * opts.c: Ditto.
6077         * passes.c: Added ipa and tree-promote-statics passes.
6078         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6079         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6080         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6081         * tree-flow.h: Added exposed sra calls and addition of
6082         reference_vars_info field for FUNCTION_DECLS.
6083         * tree-pass.h: Added passes.
6084         * tree-sra.c: (sra_init_cache): New function.
6085         (sra_insert_before, sra_insert_after) Made public.
6086         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6087         and made public.
6088         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6089         aliasing. (may_alias_p): Added code to use type escape analysis to
6090         improve alias sets.
6091         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6092         code to prune clobbers of static variables based on information
6093         produced in ipa-reference pass.  Changed call clobbering so that
6094         statics are not marked as clobbered if the call does not clobber
6095         them.
6096
6097 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
6098
6099         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6100         too.
6101
6102 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6103
6104         * doc/install.texi (*-*-solaris2*): Document recommended version
6105         of GNU binutils and mention GNU linker problem on Solaris 10.
6106
6107 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
6108
6109         PR c/22421
6110         * c-decl.c (c_build_bitfield_integer_type): New function.
6111         (finish_struct): Call it.
6112         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6113
6114 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6115
6116         * c-typeck.c (digest_init): Call 'convert_for_assignment'
6117         before returning.
6118
6119 2005-07-16  Jan Hubicka  <jh@suse.cz>
6120
6121         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6122         (scale_bbs_frequencies_int): Watch roundoff errors.
6123         * predict.c (return_prediction): Initialize return_stmt.
6124
6125 2005-07-16  Jan Hubicka  <jh@suse.cz>
6126
6127         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6128         after RTL profiling.
6129
6130 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
6131
6132         PR middle-end/22398
6133         * fold-const.c (build_range_check): Convert high/low to etype
6134         if we are only comparing against exp.
6135
6136 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
6137
6138         Fix PR tree-optimization/22376
6139         * tree-ssa-structalias.c (build_constraint_graph): We really meant
6140         special var here.
6141         (need_to_solve): New function.
6142         (compute_points_to_sets): Use it.
6143
6144 2005-07-15  Jan Hubicka  <jh@suse.cz>
6145
6146         * cfg.c (update_bb_profile_for_threading): More diagnostic.
6147         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6148
6149 2005-07-15  Richard Guenther  <rguenther@suse.de>
6150
6151         * c-common.c (handle_flatten_attribute): New function.
6152         Add flatten function attribute.
6153         * doc/extend.texi: Document flatten function attribute.
6154         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6155         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6156         New functions.
6157         (cgraph_decide_inlining): Handle functions with flatten
6158         attribute.
6159
6160 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
6161
6162         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6163         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6164         UNSPEC_XCHG, UNSPEC_AND): New.
6165         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6166         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6167         * config/rs6000/sync.md (FETCHOP): New code macro.
6168         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6169         New code attrs.
6170         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6171         (sync_compare_and_swap<mode>): Same.
6172         (sync_lock_test_and_set<mode>): Same.
6173         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6174         for QImode and HImode, and not PPC405.
6175         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6176         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6177         (sync_<fetchop>{si,di}_internal): New.
6178         (sync_nand{si,di}_internal): New.
6179         (sync_old_<fetchop>{si,di}_internal): New.
6180         (sync_old_nand{si,di}_internal): New
6181         (sync_new_<fetchop>{si,di}_internal): New.
6182         (sync_new_nand{si,di}_internal): New.
6183         (atomic_and{si,di}): New.
6184         (sync_new_nand{si,di}_internal): New.
6185         (atomic_and{si,di}): New.
6186         (sync_add<mode>_internal): Delete.
6187         (sync_addshort_internal): Use unspec instead of unspec_volatile.
6188         (sync_sub<mode>_internal): Delte.
6189         (sync_subshort_internal): New.
6190         (sync_andsi_internal): Use unspec instead of unspec_volatile.
6191         (sync_anddi_internal): Delete.
6192         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6193         (sync_booldi_internal): Delete.
6194         (sync_boolc<mode>_internal): Delete.
6195         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6196         (sync_boolc<mode>_internal2): Delete.
6197         (sync_boolcc<mode>_internal): Delete.
6198         (isync, lwsync): Use unspec instead of unspec_volatile.
6199         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6200         Revert UNSPEC_VOLATILE.
6201         (rs6000_split_atomic_op): New.
6202         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6203
6204 2005-07-14  Eric Christopher  <echristo@redhat.com>
6205
6206         * config/mips/mips.c (mips_canonicalize_comparison): Cast
6207         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6208
6209 2005-07-14  Eric Christopher  <echristo@redhat.com>
6210
6211         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6212
6213 2005-07-14  Steven Bosscher  <stevenb@suse.de>
6214
6215         PR tree-optimization/22230
6216         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6217         the computation of the four cross productions for "range op range".
6218
6219 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
6220             Ulrich Weigand  <uweigand@de.ibm.com>
6221
6222         PR target/20126
6223         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6224         in some insn.
6225
6226 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
6227
6228         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6229
6230 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
6231
6232         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6233
6234 2005-07-14  Richard Guenther  <rguenther@suse.de>
6235
6236         PR middle-end/22347
6237         * config/i386/i386-protos.h (ix86_function_value): Change
6238         prototype to match new target hook.
6239         * config/i386/i386.c (ix86_value_regno): Change prototype
6240         to take extra type argument.
6241         (TARGET_FUNCTION_VALUE): Define.
6242         (ix86_function_ok_for_sibcall): Pass extra argument to
6243         ix86_value_regno, check return slot rtx for exact match.
6244         (ix86_function_value): Take extra parameter.  Dispatch to
6245         ix86_value_regno with fndecl/fntype as provided.
6246         (ix86_value_regno): Handle extra type argument.
6247         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6248
6249         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6250         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6251         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6252         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6253         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6254
6255 2005-07-14  Richard Guenther  <rguenther@suse.de>
6256
6257         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6258         * calls.c (expand_call): Pass fntype to hard_function_value.
6259         (emit_library_call_value_1): Likewise.
6260         * explow.c: Include target.h.
6261         (hard_function_value): Take extra argument, the fntype.
6262         Use new target hook for function_value.
6263         * expr.h (hard_function_value): Change prototype.
6264         * function.c (aggregate_value_p): Pass 0 as fntype to
6265         hard_function_value.
6266         (assign_parms): Use new target hook for function_value.
6267         Pass 0 as fntype to hard_function_value.
6268         (expand_function_end): Likewise.
6269         * reg-stack.c: Include target.h.
6270         (stack_result): Use new target hook for function_value.
6271         * target-def.h: New target hook function_value.
6272         * target.h: Likewise.
6273         * targhooks.c (default_function_value): New function.
6274         * targhooks.h (default_function_value): Declare.
6275
6276 2005-07-13  Ian Lance Taylor  <ian@airs.com>
6277
6278         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6279
6280 2005-07-14  Jan Hubicka  <jh@suse.cz>
6281
6282         * tree-dfa.c (dump_variable): Use default_def function.
6283         * tree-ssa-alias.c (dump_points_to_info): Likewise.
6284         * tree-ssa.c (verify_use): Likewise.
6285         * tree-ssanames.c (release_ssa_name): Likewise.
6286         * tree-tailcall.c (eliminate_tail_call): Likewise.
6287         (tree_optimize_tail_calls_1): Likewise.
6288         * tree-vrp.c (get_value_range): Likewise.
6289
6290 2005-07-14  Ben Elliston  <bje@au.ibm.com>
6291
6292         * gcc.c (main): Compare language[0] with '*' when iterating over
6293         the infiles.
6294
6295 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6296
6297         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6298         "s390_emit_compare".  Add handling of CCZ1mode.
6299         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6300         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6301         checking.
6302         (s390_branch_condition_mask): Add CCZ1mode handling.
6303         * config/s390/s390.md: ("seq", "*seq"): New pattern.
6304         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6305         Use CCZ1mode instead of CCZmode.
6306         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
6307
6308 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6309
6310         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6311         pattern.
6312         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6313
6314 2005-07-13  Eric Christopher  <echristo@redhat.com>
6315
6316         * config/mips/mips.c (mips_canonicalize_comparison): New.
6317         (mips_emit_int_relational): Use.
6318
6319 2005-07-13  Eric Christopher  <echristo@redhat.com>
6320
6321         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6322         static extra parts.
6323         * config/s390/s390.md: Include tpf.md. Move tpf specific
6324         patterns...
6325         * config/s390/tpf.md: To here.
6326         * config/s390/s390.opt: Move tpf specific options...
6327         * config/s390/tpf.opt: to here. Add mmain option.
6328         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6329         * config/s390/tpf.h: Rewrite.
6330
6331 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6332
6333         * doc/tm.texi: Remove @xref{Cross-profiling}.
6334
6335 2005-07-13  Jeff Law  <law@redhat.com>
6336
6337         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6338         expressions, test their _DECL operands for pointer equality rather
6339         than using operand_equal_p.
6340
6341 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6342
6343         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6344         (TARGET_POSIX_IO): This.
6345         * config/darwin.h: Likewise.
6346         * config/freebsd.h: Likewise.
6347         * config/linux.h: Likewise.
6348         * config/lynx.h: Likewise.
6349         * config/netbsd.h: Likewise.
6350         * config/rs6000/linux64.h: Likewise.
6351         * config/rs6000/linux.h: Likewise.
6352         * config/s390/tpf.h: Likewise.
6353         * config/sh/embed-elf.h: Likewise.
6354         * config/sparc/linux64.h: Likewise.
6355         * config/sparc/linux.h: Likewise.
6356         * config/svr4.h: Likewise.
6357         * gcov-io.h: Likewise.
6358
6359         * doc/tm.texi: Updated.
6360
6361         * libgcov.c (create_file_directory): Defined only if
6362         TARGET_POSIX_IO is defined.
6363         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6364         is defined.
6365
6366 2005-07-13  Jan Hubicka  <jh@suse.cz>
6367
6368         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6369
6370 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
6371
6372         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6373         structure as argument.
6374
6375 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
6376
6377         PR tree-optimization/21921
6378         * tree-iterator.c (tsi_link_before): Support the case when
6379         tsi_end_p (tsi) == true.
6380
6381 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6382
6383         PR tree-optimization/22442
6384         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6385         correctly.
6386
6387 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6388
6389         PR rtl-optimization/20376
6390         * toplev.c (process_options): Enable -fweb and -frename-registers when
6391         unrolling.
6392         * doc/invoke.texi: Update the information about when -fweb and
6393         -frename-registers are enabled.
6394
6395 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6396
6397         PR tree-opt/21840
6398         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6399         if *rhs_p is not a SSA_NAME.
6400
6401 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
6402
6403         Fix PR tree-optimization/22422
6404         * tree-ssa-structalias.c (struct variable_info): Add flag for
6405         special vars.
6406         (get_varinfo): Now a static function.
6407         (new_varinfo): init has_union and is_special_var to false.
6408         (solution_set_add): Check has_union.
6409         (do_da_constraint): Move temporary variable so it gets reset
6410         properly.
6411         Also check for special variable.
6412         (do_ds_constraint): Ditto.
6413         (do_sd_constraint): Ditto.
6414         (do_structure_copy): Check for special variable.
6415         (find_func_aliases): Ditto.
6416         (init_base_vars): Set special vars properly.
6417
6418 2005-07-13  Jan Hubicka  <jh@suse.cz>
6419
6420         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6421         do unit-at-a-time.
6422
6423         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6424         (get_expr_operands): Fix thinko wrt flags and subvars.
6425
6426         PR tree-optimize/22379
6427         * tree-inline.c (expand_call_inline): Do not output sorry in early
6428         inlining.
6429
6430 2005-07-12  Dale Johannesen  <dalej@apple.com>
6431
6432         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
6433
6434 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6435
6436         PR bootstrap/21704
6437         * host-linux.h: Include limits.h.
6438
6439 2005-07-12  Dale Johannesen  <dalej@apple.com>
6440
6441         * expr.c (compress_float_constant):  Add cost check.
6442         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
6443
6444 2005-07-12  Dale Johannesen  <dalej@apple.com>
6445
6446         * gcc.target/i386/compress-float-sse.c:  New.
6447         * gcc.target/i386/compress-float-sse-pic.c:  New.
6448         * gcc.target/i386/compress-float-387.c:  New.
6449         * gcc.target/i386/compress-float-387-pic.c:  New.
6450         * gcc.dg/compress-float-ppc.c:  New.
6451         * gcc.dg/compress-float-ppc-pic.c:  New.
6452
6453 2005-07-12  Eric Christopher  <echristo@redhat.com>
6454
6455         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6456         static extra parts.
6457         * config/s390/s390.md: Include tpf.md. Move tpf specific
6458         patterns...
6459         * config/s390/tpf.md: To here.
6460         * config/s390/s390.opt: Move tpf specific options...
6461         * config/s390/tpf.opt: to here. Add mmain option.
6462         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6463         * config/s390/tpf.h: Rewrite.
6464
6465 2005-07-12  Eric Christopher  <echristo@redhat.com>
6466
6467         * gcc.c (struct infile): Update comment for language.
6468         (main): Rewrite input file resetting code.
6469
6470 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6471
6472         PR tree-opt/22335
6473         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6474         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
6475         (lookup_avail_expr): Use constant_boolean_node instead
6476         of boolean_false_node/boolean_true_node.
6477
6478 2005-07-12  Ben Elliston  <bje@au.ibm.com>
6479
6480         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6481         and use it when printing num_edges.
6482
6483 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6484
6485         * doc/extend.texi (Blackfin Built-in Functions): New section.
6486         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6487         @opindex.
6488
6489 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
6490
6491         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6492         s/cmpstrsi/cmpstrnsi
6493         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6494         'cmpstrnsi'.
6495         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6496         (init_optabs): Initialize cmpstrn_optab.
6497         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6498         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6499         * expr.c: (enum insn_code cmpstrn_optab): Declare.
6500         * config/i386/i386.md: s/cmpstr/cmpstrn
6501         * config/c4x/c4x.md: s/cmpstr/cmpstrn
6502         * doc/md.texi: Update documentation.
6503
6504 2005-07-11  Richard Henderson  <rth@redhat.com>
6505
6506         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6507         build_va_arg_indirect_ref.
6508         (alpha_gimplify_va_arg): Likewise.
6509         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6510         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6511         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6512         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6513         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6514         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6515         Likewise.
6516         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6517
6518 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6519
6520         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6521         * passes.c (init_optimization_passes): Add pass_empty_loop.
6522         * tree-pass.h (pass_empty_loop): Declare.
6523         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6524         try_remove_empty_loop, remove_empty_loops): New functions.
6525         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6526         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6527
6528 2005-07-12  Peter Barada  <peter@the-baradas.com>
6529
6530         PR middle-end/16719
6531         PR middle-end/18421
6532         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6533         in address registers.
6534         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6535         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6536         alternative of addsi3_5200.
6537
6538 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6539
6540         * config/mips/mips.md (ffs<mode>2): Remove.
6541
6542 2005-07-11  Ian Lance Taylor  <ian@airs.com>
6543
6544         * doc/tree-ssa.texi (Cleanups): Improve description of
6545         TRY_FINALLY_EXPR.
6546         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6547
6548 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6549
6550         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6551         * tree.h (DECL_ARGUMENT_FLD): New macro.
6552
6553 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
6554
6555         Fix PR tree-optimization/22404
6556
6557         * tree-ssa-structalias.c (create_variable_info_for): Use
6558         correct offset.
6559
6560 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6561
6562         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6563         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6564         for second comparison operand.
6565         * config/bfin/predicates.md (reg_or_const_int_operand): New.
6566
6567         * config/bfin/bfin.md (define_attr "type"): Add "sync".
6568         (define_insn_reservation "alu"): Likewise.
6569         (csync, ssync): Now of type sync.
6570         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6571         -mcsync-anomaly -mspecld-anomaly.
6572         * config/bfin/bfin.opt (mcsync): Remove.
6573         (mcsync-anomaly, mspecld-anomaly): Add.
6574         * config/bfin/bfin.c: Include "insn-codes.h".
6575         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6576         (TARGET_DEFAULT_TARGET_FLAGS): New.
6577         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6578
6579 2005-07-11  Steven Bosscher  <stevenb@suse.de>
6580
6581         * basic-block.h: Give the BB flags enum a name, bb_flags.
6582         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6583         * cfgcleanup.c (enum bb_flags): Remove here.
6584         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6585         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6586         (update_forwarder_flag): Likewise.
6587         (thread_jump): Likewise.
6588         (try_forward_edges): Likewise.
6589         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
6590         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
6591         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6592
6593 2005-07-11  Richard Guenther  <rguenther@suse.de>
6594
6595         * config/i386/i386.opt: New target option -msseregparm.
6596         * config/i386/i386.c (override_options): Error out for
6597         -msseregparm but no SSE support.
6598         (ix86_function_sseregparm): Check for global sseregparm.
6599         * doc/invoke.texi: Document -msseregparm.
6600
6601 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6602
6603         * config.gcc (m32r-*-linux*): Use the default extra_parts.
6604         (m32rle-*-linux*): Ditto.
6605
6606 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
6607
6608         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6609         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6610         bytes.
6611
6612 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6613
6614         PR middle-end/22239
6615         PR target/20126
6616         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6617         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6618
6619 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
6620
6621         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6622         (varmap): Heapify varmap.
6623         (constraints): Heapify constraints.
6624         (struct constraint_graph): Heapify succs and preds.
6625         (constraint_vec_find): Update for heapification.
6626         (constraint_set_union): Ditto.
6627         (insert_into_complex): Ditto.
6628         (constraint_edge_vec_find): Ditto.
6629         (erase_graph_self_edge): Ditto.
6630         (add_graph_edge): Ditto.
6631         (get_graph_weights): Ditto.
6632         (merge_graph_nodes): Ditto.
6633         (build_constraint_graph): Ditto.
6634         (topo_visit): Ditto.
6635         (solve_graph): Ditto.
6636         (create_variable_info_for): Ditto.
6637         (init_base_vars): Ditto.
6638         (delete_points_to_sets): Free graph, varmap, and complex constraints.
6639         (condese_varmap_nodes): Free complex vector.
6640         (clear_edges_for_node): Clear succs and preds vector.
6641
6642 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6643
6644         * tree-ssa-structalias.c (update_alias_info): Change counting of
6645         references to not include vdefs.
6646
6647 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
6648
6649         * tree-ssa-alias.c (free_used_part_map): Add missing free.
6650         (up_insert): Ditto.
6651
6652 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6653
6654         * pa.c (pa_commutative_p): Make PLUS commutative when
6655         TARGET_NO_SPACE_REGS is true.
6656
6657 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6658
6659         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6660         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6661         * tree-dfa.c (dump_subvars_for): New.
6662         (debug_subvars_for): New.
6663         (dump_variable): Show subvariables if VAR has them.
6664         * tree-flow-inline.h (get_subvar_at): New.
6665         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6666         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6667         Update all users.
6668         (struct subvar): Change fields offset and size to unsigned
6669         HOST_WIDE_INT.
6670         (dump_subvars_for): Declare.
6671         (debug_subvars_for): Declare.
6672         (get_subvar_at): Declare.
6673         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6674         to unsigned HOST_WIDE_INT *.
6675         (overlap_subvar): Likewise.
6676         * tree-gimple.c (is_gimple_reg): Always return false for
6677         SFTs and memory tags.
6678         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6679         Update all callers.
6680         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6681         (compute_may_aliases): Call compute_points_to_sets.
6682         (collect_points_to_info_for): Remove.
6683         (compute_points_to_and_addr_escape): Remove.
6684         (delete_alias_info): Call delete_points_to_sets.
6685         (compute_flow_sensitive_aliasing): If the call to
6686         find_what_p_points_to returns false, call set_pt_anything.
6687         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6688         (set_pt_anything): Clear pi->pt_vars.
6689         (set_pt_malloc): Remove.
6690         (merge_pointed_to_info): Remove.
6691         (add_pointed_to_expr): Remove.
6692         (add_pointed_to_var): Remove.
6693         (collect_points_to_info_r): Remove.
6694         (is_escape_site): Make extern.
6695         (create_sft): New.
6696         (create_overlap_variables_for): Call it.
6697         * tree-ssa-copy.c (merge_alias_info): Never merge
6698         flow-sensitive alias information.
6699         * tree-ssa-operands.c (get_expr_operands): Adjust variables
6700         offset and size to be unsigned HOST_WIDE_INT.
6701         (add_to_addressable_set): Rename from note_addressable.
6702         Set TREE_ADDRESSABLE as the variables are added to the set.
6703         Update all users.
6704         (add_stmt_operand): Do not try to micro-optimize unmodifiable
6705         operands into VUSEs when adding V_MAY_DEFs for members in an
6706         alias set.
6707         * tree-ssa-operands.h (add_to_addressable_set): Declare.
6708         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6709         (struct variable_info): Add bitfield is_heap_var.
6710         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6711         (new_var_info): Initialize is_heap_var.
6712         (get_constraint_for): Add HEAP variables to the symbol table.
6713         Mark them with is_heap_var.
6714         (update_alias_info): New.  Taken mostly from the old
6715         compute_points_to_and_addr_escape.
6716         (handle_ptr_arith): New.
6717         (find_func_aliases): Call update_alias_info.
6718         Call handle_ptr_info for tcc_binary expressions.
6719         Call mark_stmt_modified.
6720         (create_variable_info_for): If DECL has subvars, do not create
6721         variables for its subvars.  Always add all the fields.
6722         (set_uids_in_ptset): If the solution includes ANYOFFSET and
6723         SFTs, then add all the SFTs of the structure.
6724         If VI->DECL is an aggregate with subvariables, add the SFT at
6725         VI->OFFSET.
6726         (find_what_p_points_to): If VI is an artificial variable,
6727         translate to bitfields in SSA_NAME_PTR_INFO.
6728         If the solution is empty, set pi->pt_vars to NULL
6729         (init_base_vars): Create ANYOFFSET.
6730         (compute_points_to_sets): Rename from create_alias_vars.
6731         Make extern.
6732         (pass_build_pta): Remove.
6733         (delete_points_to_sets): Rename from delete_alias_vars.
6734         (pass_del_pta): Remove.
6735         * tree-ssa-structalias.h (struct alias_info): Move from
6736         tree-ssa-alias.h.
6737         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6738         NUM_REFERENCES_SET): Likewise.
6739         (compute_points_to_sets, delete_points_to_sets): Declare.
6740
6741 2005-07-09  Richard Henderson  <rth@redhat.com>
6742
6743         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6744         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6745         alpha_split_lock_test_and_set_12): New functions.
6746         * config/alpha/alpha-protos.h: Update.
6747         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6748         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6749         * config/alpha/sync.md (I12MODE): New.
6750         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6751         (sync_<fetchop_name><I48MODE>): Likewise.
6752         (sync_nand<I48MODE>): Likewise.
6753         (sync_old_<fetchop_name><I48MODE>): Likewise.
6754         (sync_new_<fetchop_name><I48MODE>): Likewise.
6755         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6756         (sync_compare_and_swap<I48MODE>): Likewise.
6757         (sync_lock_test_and_set<I48MODE>): Likewise.
6758         (sync_compare_and_swap<I12MODE>): New.
6759         (sync_compare_and_swap<I12MODE>_1): New.
6760         (sync_lock_test_and_set<I12MODE>): New.
6761         (sync_lock_test_and_set<I12MODE>_1): New.
6762
6763 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
6764
6765         PR 21356
6766         PR 22332
6767         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6768
6769 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
6770
6771         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6772         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6773
6774 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
6775
6776         PR target/21656
6777         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6778
6779 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
6780
6781         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6782         memory_operand constraint.
6783         (store_conditional_<mode>): Same.
6784         (sync_compare_and_swap<mode>): Same.
6785         (sync_lock_test_and_set<mode>): Same.
6786
6787 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
6788
6789         Rewrite PIC support to more closely model actual instructions.
6790         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6791         (cris_symbol): Remove prototypes for removed functions.
6792         (cris_pic_symbol_type_of, cris_valid_pic_const)
6793         (cris_expand_pic_call_address): Prototypes for new functions.
6794         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6795         variable.
6796         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6797         modifiers.
6798         <case ':'>: Add case for new punctuation character.
6799         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6800         emitting (extra) PIC modifier.
6801         <case UNSPEC>: Do not assert for PLT.
6802         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6803         (cris_expand_prologue, cris_expand_epilogue): Check
6804         for pic_offset_table_rtx usage instead of taking
6805         current_function_uses_pic_offset_table as the final word.
6806         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6807         Remove flag_pic difference.
6808         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6809         the moral equivalents of...
6810         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6811         functions.
6812         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6813         (cris_handle_option): Mark ARG as unused.
6814         (cris_expand_pic_call_address): New worker function for "call",
6815         "call_value".
6816         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6817         output PIC constructs here.
6818         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6819         as symbol-specific modifers, not whole or part of operands.
6820         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6821         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6822         constants and flag_pic.
6823         (CONSTANT_INDEX_P): Adjust for new functions.
6824         (enum cris_pic_symbol_type): New helper type.
6825         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6826         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6827         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6828         define_constants.
6829         ("movsi"): Emit actual instructions for GOT and relative access.
6830         ("*movsi_got_load"): New pattern to set up the register holding
6831         the GOT pointer.
6832         ("*movsi_internal"): Operand 1 is not a plain general_operand.
6833         Adjust FIXME for 'S'.
6834         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6835         Use "movs" for -fpic cases.
6836         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6837         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6838         ("call", "call_value"): Just call cris_expand_pic_call_address for
6839         PIC addresses.
6840         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6841         Remove special pattern.
6842         ("*expanded_call_side", "*expanded_call_value_side"): New
6843         patterns.
6844         (gotplt-to-plt, gotplt-to-plt-side-call)
6845         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6846         peephole2:s.
6847         * config/cris/cris/predicates.md
6848         ("cris_general_operand_or_gotless_symbol"): Remove unused
6849         predicate.
6850         ("cris_general_operand_or_symbol"): Adjust for new functions.
6851
6852 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6853
6854         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6855
6856 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
6857
6858         * Makefile.in (TREE_H): Add treestruct.def.
6859         (c-decl.o): Add pointer-set.h
6860         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6861         visibility on regular DECL's.
6862         (merge_decls): Fix the copying of decl nodes of various types for
6863         the new structures.  Don't update RTL, section name, weak status,
6864         etc, on DECL's without RTL.
6865         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6866         Don't check volatile on non-variable types.
6867         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6868         to check whether we have seen arguments.
6869         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6870         flag is checked before field (flag is common, field is not).
6871         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
6872         TS_DECL_COMMON could have an origin.
6873         (add_location_or_const_value_attribute): Don't check section name
6874         on non-var/function decls.
6875         (dwarf2out_var_location): Reverse order of tests.
6876         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6877         with DECL_WRTL_CHECK.
6878         * expmed.c (make_tree): rtl is now in decl_with_rtl.
6879         * fold-const.c (fold_binary): Don't check weakness on
6880         non-var/function decls.
6881         (tree_expr_nonzero_p): Ditto.
6882         (fold_checksum_tree): Use tree_decl_extra as sizeof
6883         buffer.
6884         * ggc-page.c (extra_order_size_table): Add sizes for
6885         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
6886         tree_field_decl.
6887         * gimplify.c (gimplify_bind_expr): Only set
6888         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6889         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6890         without RTL.
6891         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6892         * langhooks.h (init_ts). New langhook.
6893         * passes.c (rest_of_decl_compilation): Reverse order of tests.
6894         * print-tree.c (print_node): Update to only print fields that
6895         exist in the structures the passed decl has.
6896         * toplev.c (wrapup_global_declarations): Don't reset
6897         DECL_DEFER_OUTPUT on DECL's that don't contain it.
6898         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6899         * tree-inline.c (remap_decl): Ditto.
6900         * tree-outof-ssa.c (create_temp): Reverse order of tests.
6901         * tree-pretty-print.c (print_declaration): Don't print
6902         DECL_REGISTER on things that don't contain it.
6903         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6904         non-var/function decls.
6905         * tree.c (tree_contains_struct): New structure.
6906         (init_priority_for_decl): New hashtable.
6907         (tree_int_map): New structure.
6908         (tree_int_map_eq): New function.
6909         (tree_int_map_marked_p): Ditto.
6910         (tree_int_map_hash): Ditto.
6911         (tree_map): Move to tree.h.
6912         (tree_map_eq): Externalize.
6913         (tree_map_hash): Ditto.
6914         (tree_map_marked_p): Ditto.
6915         (init_ttree): Set up tree_contains_struct and call langhook.
6916         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6917         (tree_code_size): Update for new structures.
6918         (tree_node_structure): Update for new structures.
6919         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6920         without the field.
6921         (copy_node_stat):  Copy init priority.
6922         (build_decl_stat): Ditto for visibility.
6923         (ts_enum_names): New.
6924         (tree_contains_struct_check_failed): New function.
6925         (decl_init_priority_lookup): Ditto.
6926         (decl_init_priority_insert): Ditto.
6927         * treestruct.def: New file.
6928         * tree.h (CODE_CONTAINS_STRUCT): New macro.
6929         (CONTAINS_STRUCT_CHECK): Ditto.
6930         (tree_contains_struct_check_failed): New prototype.
6931         (DECL_CHECK): Removed.
6932         (DECL_MINIMAL_CHECK): New.
6933         (DECL_COMMON_CHECK): Ditto.
6934         (DECL_WRTL_CHECK): Ditto.
6935         (DECL_NON_COMMON_CHECK): Ditto.
6936         (DECL_WITH_VIS_CHECK): Ditto.
6937         (VAR_OR_FUNCTION_DECL_P): Ditto
6938         (struct tree_decl_minimal): New structure.
6939         (struct tree_decl_common): Ditto.
6940         (struct tree_decl_with_rtl): Ditto.
6941         (struct tree_decl_with_vis): Ditto.
6942         (struct tree_decl_non_common): Ditto.
6943         (struct tree_field_decl): Ditto.
6944         (struct tree_parm_decl): Ditto.
6945         (struct tree_var_decl): Ditto.
6946         (struct tree_function_decl): Ditto.
6947         (struct tree_const_decl): Ditto.
6948         (struct tree_result_decl): Ditto.
6949         (union tree_node): Add new structures.
6950         * var-tracking.c (track_expr_p): Reverse order of tests.
6951
6952         * doc/c-tree.texi: Add documentation on DECL node internal structure.
6953
6954 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6955
6956         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6957         * system.h: Poison FINALIZE_PIC.
6958         * doc/tm.texi (FINALIZE_PIC): Remove.
6959
6960 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6961
6962         PR tree-opt/22329
6963         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6964         to the correct type if we have a MODIFY_EXPR.
6965
6966 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
6967
6968         PR tree-optimization/22360
6969         * tree.c (upper_bound_in_type): Fix calculations for casting
6970         to a non-wider signed type and casting a signed value to a
6971         wider unsigned type.
6972         (lower_bound_in_type): Fix calculations for casting to a
6973         non-wider signed type.
6974
6975         PR tree-optimization/20139
6976         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6977         release_defs.
6978         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6979         fold_cond_expr_cond.
6980         * tree-ssanames.c (release_defs): Assert in_ssa_p.
6981         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6982
6983 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
6984
6985         PR tree-opt/22356
6986         * tree-complex.c (expand_complex_libcall): Produce
6987         REALPART_EXPR/IMAGPART_EXPR with the correct type.
6988
6989 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
6990
6991         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6992         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6993         b" assert and inserted fastpath code for this case.
6994         (bitmap_ior): Removed "a != b" assert.
6995
6996 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6997
6998         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6999         (ENDFILE_SPEC): Likewise.
7000         * config/m32r/m32r.h (ASM_SPEC): Likewise.
7001
7002         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7003         a large stack frame at epilogue.
7004
7005 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
7006
7007         * final.c: Include sdbout.h when required.
7008
7009 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
7010
7011         * config.gcc (*-*-darwin*): Only one target-specific header file
7012         for generic darwin.
7013         (powerpc-*-darwin*): Add version-specific header files.
7014         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7015         * config.in: Regenerate.
7016         * configure: Regenerate.
7017         * gcc.c: Include xregex.h.
7018         (version_compare_spec_function): New.
7019         (spec_function): Add version-compare.
7020         (replace_outfile_spec_function): Reformat comment.
7021         (compare_version_strings): New.
7022         * config/darwin-c.c (version_as_macro): New.
7023         (builtin_define): New.
7024         (darwin_cpp_builtins): New.
7025         * config/darwin-protos.h (darwin_cpp_builtins): New.
7026         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7027         (LIB_SPEC): Make unconditional, update comment.
7028         (TARGET_C99_FUNCTIONS): Define.
7029         * config/darwin.opt: Sort.
7030         (mmacosx-version-min=): New.
7031         * config/darwin7.h: Delete.
7032         * config/darwin8.h: Delete.
7033         * config/i386/darwin.h (): Call darwin_cpp_builtins.
7034         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7035         (TARGET_C99_FUNCTIONS): Define.
7036         * config/rs6000/darwin7.h: New.
7037         * config/rs6000/darwin8.h: New.
7038         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7039         (-mmacosx-version-min): Document.
7040
7041 2005-07-07  Ian Lance Taylor  <ian@airs.com>
7042
7043         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7044
7045 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
7046
7047         PR middle-end/22239
7048         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7049
7050 2005-07-07  Khem Raj  <kraj@mvista.com>
7051
7052         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7053         in bytes, not words.
7054
7055 2005-07-07  Paul Brook  <paul@codesourcery.com>
7056
7057         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7058         DEFAULT_FUNCTION_ARG_PADDING to upward.
7059
7060 2005-07-07  Richard Henderson  <rth@redhat.com>
7061
7062         * function.c (locate_and_pad_parm): Record parameter alignment in
7063         stack_alignment_needed.
7064
7065 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
7066
7067         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7068         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7069         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7070         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7071         (define_attr "type"): Add isync, sync, load_l, store_c.
7072         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7073         Create scratch volatile MEM.
7074         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
7075         sync.
7076         (load_locked_<mode>): New.
7077         (store_conditional_<mode>): New.
7078         (sync_compare_and_swap<mode>): Replace with splitter.
7079         (sync_lock_test_and_set<mode>): Replace with splitter.
7080         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7081         and UNSPECV_ISYNC.
7082         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
7083         is ics.  Attribute isync.
7084         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
7085         lwsync.
7086         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7087         and UNSPECV_SYNC_OP.
7088         (emit_unlikely_jump): New.
7089         (emit_load_locked): New.
7090         (emit_store_conditional): New.
7091         (rs6000_split_compare_and_swap): New.
7092         (rs6000_split_lock_test_and_set): New.
7093         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7094         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7095         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7096         rs6000_split_lock_test_and_set): Declare.
7097         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7098         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7099         store_c, isync, sync.
7100
7101 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
7102
7103         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7104         filenames to gtyp-gen.h.
7105         (s-typ-gen): Use it in place of for loops.
7106
7107 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
7108
7109         * hooks.c (hook_bool_rtx_int_false): New function.
7110         * hooks.h (hook_bool_rtx_int_false): Declare.
7111         * target-def.h (TARGET_COMMUTATIVE_P): Define.
7112         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7113         * target.h (struct gcc_target): Add commutative_p member.
7114         * targhooks.c (hook_bool_rtx_commutative_p): New function.
7115         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7116         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7117         (pa_commutative_p): New function.
7118         * jump.c (target.h): Include.
7119         (rtx_renumbered_equal_p): Use targetm.commutative_p.
7120         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7121
7122 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7123
7124         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7125         (s390_expand_setmem): New.
7126         * config/s390/s390.c: Likewise.
7127         (print_shift_count_operand): Truncate to 12 bits instead of 6.
7128         Adapt comments.
7129         * config/s390/s390.md: ("setmem<mode>"): Accept character as
7130         general_operand.  Call new function "s390_expand_setmem".
7131         ("clrmem_long", "*clrmem_long"): Rewrite to ...
7132         ("setmem_long", "*setmem_long"): ... this.
7133
7134 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7135
7136         * config/s390/s390.c: (optimization_options): Enable
7137         TARGET_MVCLE at -Os.
7138         * doc/invoke.texi: Document changes in default behaviour.
7139         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7140
7141 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7142
7143         * expr.c: (set_storage_via_setmem): Convert opchar to mode
7144         defined by back-end.
7145
7146 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
7147
7148         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7149         all sets in the pattern.
7150         * config/rs6000/rs6000.md (stack_protect_testsi,
7151         stack_protect_testdi): Likewise.
7152
7153 2005-07-06  Jeff Law  <law@redhat.com>
7154
7155         * tree-vrp.c (simplify_using_ranges): Kill.
7156         (vrp_finalize): Remove call to simplify_using_ranges.
7157         (simplify_stmt_using_ranges): New function extracted from
7158         simplify_using_ranges.
7159         (simplify_div_or_mod_using_ranges): Likewise.
7160         (simplify_abs_using_ranges): Likewise.
7161         (simplify_cond_using_ranges): New function.
7162         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7163         * tree-ssa-propagate.c (substitute_and_fold): Call
7164         simplify_stmt_using_ranges if we have range information.
7165
7166 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
7167
7168         * config/ia64/ia64.c (ia64_reorg): Check optimize before
7169         ia64_flag_schedule_isns2.
7170
7171         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7172         reading/writing general registers.
7173         (ia64_function_arg): Revert 2005-06-18 change.
7174
7175 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7176
7177         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7178         (legitimize_tls_address): Use gcc_unreachable instead of abort.
7179
7180 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
7181
7182         * function.c (expand_function_end): Revert part of 2005-06-27
7183         patch.  Do sjlj_emit_function_exit_after after return_label.
7184
7185 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7186
7187         * doc/install.texi (--disable-libssp): New.
7188
7189 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
7190
7191         * doc/invoke.texi: Update -fforce-mem documentation.
7192         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7193         code for -fforce-mem.
7194         * expmed.c: (store_bit_field,store_fixed_bit_field,
7195         extract_bit_field): Ditto.
7196         * expr.c: (convert_move): Ditto.
7197         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7198         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7199         emit_conditional_add,expand_float,expand_fix): Ditto.
7200         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7201         (common_handle_option): Issue warning when -fforce-mem specified.
7202
7203 2005-07-06  Paul Brook  <paul@codesourcery.com>
7204
7205         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7206         argument is empty.
7207         * configure: Regenerate.
7208
7209 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
7210
7211         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7212
7213 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
7214
7215         Fix PR tree-optimization/22319
7216         Fix PR tree-optimization/22140
7217         Fix PR tree-optimization/22310
7218
7219         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7220         variable sized types.
7221         Use correct type for intermediate structure on *a = *b structure
7222         copies.
7223
7224 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7225
7226         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7227         Remove.
7228         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7229         (machine_function): Move typedef to...
7230         * config/rs6000/rs6000.c (machine_function): ... here.  Add
7231         varargs_save_offset field.
7232         (rs6000_stack_t): Remove varargs_size field.
7233         (setup_incoming_varargs): Allocate varargs save area using
7234         assign_stack_local, try to make it as small as possible.
7235         Save offset from virtual_stack_vars_rtx to the save area
7236         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
7237         instead of magic 8 when fp word byte size is used.
7238         (rs6000_va_start): Use cfun->machine->varargs_save_offset
7239         instead of -RS6000_VARARGS_SIZE.
7240         (rs6000_stack_info, debug_stack_info,
7241         rs6000_initial_elimination_offset): Remove all traces of
7242         varargs_size.
7243         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7244         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7245         RS6000_VARARGS_AREA.
7246
7247 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
7248
7249         PR tree-optimization/21963
7250         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7251         constant_multiple_of in the same way get_computation_cost_at does.
7252
7253 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7254
7255         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7256         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7257         (gen_compare_reg): If sparc_compare_emitted is set, clear it
7258         and return its previous value.
7259         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7260         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7261         constants.
7262         (stack_protect_set, stack_protect_test): New expanders.
7263         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7264         stack_protect_testdi): New insns.
7265         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7266         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7267
7268 2005-07-06  Jeff Law  <law@redhat.com>
7269
7270         * tree-ssa-dce.c (cfg_altered): New global.
7271         (tree_dce_init): Initialize cfg_altered.
7272         (remove_dead_stmt): If we remove an edge in the CFG, then set
7273         CFG_ALTERED.
7274         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7275         the dominators.
7276
7277 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7278
7279         * Makefile.in (stamp-collect-ld): Use
7280         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
7281         ./collect-ld if it already exists.
7282         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7283         Don't remove ./nm if it already exists.
7284
7285 2005-07-05  Devang Patel  <dpatel@apple.com>
7286
7287         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7288         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7289         * tree-vectorizer.c (vect_loop_location): New.
7290         (vect_print_dump_info): Use vect_loop_location.
7291         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7292         (vectorize_loops): Set vect_loop_location.
7293         * tree-vect-analyze.c (vect_analyze_offset_expr,
7294         vect_determin_vectorization_factor, vect_analyze_operations,
7295         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7296         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7297         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7298         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7299         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7300         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7301         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7302         vect_analyze_loop): Adjust vect_print_dump_info API.
7303         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7304         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7305         vect_finish_stmt_generation, vectorizable_assignment,
7306         vectorizable_operation, vectorizable_store, vectorizable_load,
7307         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7308         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7309         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7310         vect_transform_loop): Same.
7311         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7312         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7313         Same.
7314
7315 2005-07-05  Randolph Chung  <tausq@debian.org>
7316
7317         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7318         * configure: Regenerate.
7319         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7320         (pa_tls_referenced_p): Declare.
7321         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7322         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7323         (legitimize_tls_address): New.
7324         (hppa_legitimize_address): Handle TLS addresses.
7325         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7326         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7327         (emit_move_sequence): Handle TLS addresses.
7328         (pa_encode_section_info): Call default handler to handle common
7329         sections.
7330         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7331         (CONSTANT_ADDRESS_P): Reject TLS operands.
7332         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7333         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7334         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7335         (UNSPEC_TLSLE): Define new constants.
7336         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7337         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7338         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7339         (tie_symbolic_operand, tle_symbolic_operand): New
7340
7341 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
7342
7343         * aclocal.m4: Update macros for autoconf 2.59 style.
7344         * configure.ac: Likewise.
7345
7346 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7347
7348         * pa.c (function_value): Handle small aggregates on 32-bit targets.
7349         (function_arg): Pass small aggregates in general registers on 32-bit
7350         targets.
7351         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7352
7353 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
7354
7355         * Makefile.in (final.o): Fix dependencies.
7356
7357 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7358
7359         PR c/22013
7360         PR c/22098
7361         * langhooks.h (struct lang_hooks): Add expr_to_decl.
7362         * langhooks.c (lhd_expr_to_decl): New.
7363         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7364         New.
7365         (LANG_HOOKS_INITIALIZER): Update.
7366         * tree.c (recompute_tree_invarant_for_addr_expr): Call
7367         expr_to_decl langhook.
7368         * c-tree.h (c_expr_to_decl): Declare.
7369         * c-typeck.c (c_expr_to_decl): New.
7370         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7371         specially.
7372         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7373
7374 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7375
7376         PR c/22308
7377         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7378         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7379
7380 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
7381
7382         * Makefile.in: Adjust dependencies.
7383         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7384         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7385         * alias.c (rest_of_handle_cfg, pass_cfg): New.
7386         * bb-reorder.c (duplicate_computed_gotos): Make it static.
7387         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7388         rest_of_compilation.
7389
7390         * bb-reorder.c (gate_duplicate_computed_gotos,
7391         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7392         rest_of_handle_reorder_blocks, pass_reorder_blocks,
7393         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7394         pass_partition_blocks): New.
7395         * bt-load.c (gate_handle_branch_target_load_optimize,
7396         rest_of_handle_branch_target_load_optimize,
7397         pass_branch_target_load_optimize): New.
7398         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7399         pass_jump2): New.
7400         * cfglayout.c (pass_insn_locators_initialize): New.
7401         * cfgrtl.c (pass_free_cfg): New.
7402         * combine.c (gate_handle_combine, rest_of_handle_combine,
7403         pass_combine): New.
7404         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7405         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7406         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7407         * except.c (pass_set_nothrow_function_flags,
7408         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7409         pass_rtl_eh): New.
7410         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7411         rest_of_handle_shorten_branches, pass_shorten_branches,
7412         rest_of_clean_state, pass_clean_state): New.
7413         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7414         rest_of_handle_remove_death_notes, pass_remove_death_notes,
7415         rest_of_handle_life, pass_life, rest_of_handle_flow2,
7416         pass_flow2): New.
7417         * function.c (pass_instantiate_virtual_regs, pass_init_function,
7418         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7419         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7420         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7421         pass_gcse): New.
7422         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7423         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7424         pass_rtl_ifcvt, gate_handle_if_after_combine,
7425         rest_of_handle_if_after_combine, pass_if_after_combine,
7426         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7427         pass_if_after_reload): New.
7428         * integrate.c (pass_initial_value_sets): New.
7429         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7430         pass_purge_lineno_notes): New.
7431         * mode-switching.c (rest_of_handle_mode_switching,
7432         pass_mode_switching): New.
7433         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7434         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7435         pass_loop2): New.
7436         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7437         pass_loop_optimize): New.
7438         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7439         pass_sms): New.
7440         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7441         pass_gcse2): New.
7442         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7443         pass_postreload_cse): New.
7444         * profile.c (gate_handle_profiling, pass_profiling,
7445         rest_of_handle_branch_prob, pass_branch_prob): New.
7446         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7447         pass_split_before_regstack, gate_handle_split_before_regstack,
7448         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7449         rest_of_handle_split_all_insns, pass_split_all_insns): New.
7450         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7451         pass_stack_regs): New.
7452         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7453         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7454         pass_stack_adjustments): New.
7455         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7456         pass_regrename): New.
7457         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7458         pass_delay_slots, gate_handle_machine_reorg,
7459         rest_of_handle_machine_reorg, pass_machine_reorg): New.
7460         * rtl.h (extern void purge_line_number_notes): New.
7461         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7462         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7463         pass_sched2): New.
7464         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7465         pass_tracer): New.
7466         * value-prof.c (gate_handle_value_profile_transformations,
7467         rest_of_handle_value_profile_transformations,
7468         pass_value_profile_transformations): New.
7469         * var-tracking.c (gate_handle_var_tracking,
7470         pass_variable_tracking): New.
7471         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7472
7473         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7474         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7475         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7476         rest_of_handle_old_regalloc, rest_of_handle_regrename,
7477         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7478         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7479         rest_of_handle_gcse2, rest_of_handle_regmove,
7480         rest_of_handle_tracer, rest_of_handle_if_conversion,
7481         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7482         rest_of_handle_web, rest_of_handle_branch_prob,
7483         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7484         rest_of_handle_jump_bypass, rest_of_handle_combine,
7485         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7486         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7487         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7488         rest_of_handle_mode_switching, rest_of_handle_jump,
7489         rest_of_handle_eh, rest_of_handle_stack_adjustments,
7490         rest_of_handle_flow2, rest_of_handle_jump2,
7491         rest_of_handle_peephole2, rest_of_handle_postreload,
7492         rest_of_handle_shorten_branches, rest_of_clean_state,
7493         rest_of_compilation): Remove.
7494
7495         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7496         * passes.c (dump_flags, in_gimple_form, all_passes,
7497         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7498         register_dump_files, next_pass_1, last_verified, execute_todo,
7499         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7500         from tree-optimize.c.
7501         (init_optimization_passes): Moved from tree-optimize.c,
7502         adding the RTL optimizations.
7503         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7504         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7505         all_ipa_passes, all_lowering_passes, register_one_dump_file,
7506         register_dump_files, next_pass_1, last_verified, execute_todo,
7507         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7508         init_tree_optimization_passes, ipa_passes): Delete.
7509         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7510         the RTL dumps.
7511         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7512         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7513         from tree.h.
7514         (ipa_passes): Remove.
7515         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7516         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7517         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7518         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7519         (dump_info_p, dump_flag): Moved to tree-dump.h.
7520
7521         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7522         cgraph.c, opts.c.
7523         * passes.c (finish_optimization_passes): Use dump_begin
7524         and dump_end, TDI_end.
7525         (gate_rest_of_compilation): New.
7526         (pass_rest_of_compilation): Use it.
7527         (gate_postreload, pass_postreload): New.
7528         * toplev.c (general_init): Rename init_tree_optimization_passes.
7529         * toplev.h (init_tree_optimization_passes): Rename to
7530         init_optimizations_passes.
7531         * tree-dump.c (dump_flag): Make static.
7532         (dump_files): Remove RTL dumps.
7533         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7534         pass_cleanup_cfg, pass_free_cfg_annotations,
7535         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7536         pass_init_datastructures, pass_fixup_cfg): Make non-static.
7537         * tree-pretty-print.c: Include tree-pass.h.
7538         * cgraph.c: Include tree-dump.h.
7539
7540 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7541
7542         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7543         Only fall back to saying it points to readonly memory if
7544         we can't do better.
7545
7546 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7547
7548         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7549         * config/m32r/m32r.c (m32r_compute_frame_size,
7550         m32r_expand_prologue): Take current_function_profile into
7551         account whenever we reference
7552         current_function_uses_pic_offset_table.
7553         (m32r_finalize_pic): Remove.
7554         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7555
7556 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
7557
7558         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7559         instead of $<.  Don't remove ./as if it already exists.
7560
7561 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7562
7563         PR target/21723
7564         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7565         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7566         for complex modes when generating code for PA 1.0.
7567         (VALID_FP_MODE_P): New macro.
7568         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7569         sets for all general and floating point modes.  Align wide floating
7570         point modes to even register boundaries to comply with architectural
7571         requirements.
7572         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7573         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7574         (VALID_FP_MODE_P): New macro.
7575         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
7576         sets for all general and floating point modes.  Align wide floating
7577         point modes to even register boundaries to comply with architectural
7578         requirements.
7579
7580 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7581
7582         * tree-dump.c (dump_files): Initialize dump number for .cgraph
7583         to 0.
7584
7585 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7586
7587         * tree-ssa-structalias.c: Don't include expr.h.
7588
7589 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
7590
7591         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7592         comments.
7593
7594 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
7595
7596         Fix PR tree-optimization/22279
7597
7598         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7599         correct operator.
7600
7601 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
7602
7603         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7604
7605 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7606
7607         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7608         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7609         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7610         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7611         config/stormy16/stormy16.c, config/v850/v850.c,
7612         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7613         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7614         Avoid "." or "\n" at end of diagnostics and capital letters at
7615         start of diagnostics.
7616         * combine.c, cse.c: Don't translate dump file output.
7617         * toplev.c (print_version): Only translate output if going to
7618         stderr.
7619
7620 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7621
7622         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7623         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7624         typos.
7625
7626 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7627
7628         * pa.c (fix_range): Fix typo in comment.
7629
7630 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
7631
7632         * tree-vrp.c (extract_range_from_assert): Replace
7633         fold (build (...)) with fold_build2.
7634
7635 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7636
7637         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7638         gcc_gfc_char_table, init_dynamic_gfc_info): New.
7639         (format_types_orig, handle_format_attribute): Add support for
7640         format "gcc_gfc".
7641
7642 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7643
7644         * varasm.c (assemble_variable): Fix format specifier thinko.
7645
7646 2005-07-03  Ira Rosen  <irar@il.ibm.com>
7647
7648         PR tree-optimization/22029 (and 22135)
7649         * tree-pretty-print.c (dump_generic_node): Check that the node is not
7650         a phi node before calling dump_vops.
7651
7652 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7653
7654         * tree-dump.h (dump_string_field): Declare.
7655         * tree-dump.c: Use it instead of dump_string.
7656         (dump_string_field): Make non-static.
7657
7658 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7659
7660         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7661         up the minimal CFG stuff always when optimize > 0.  Call
7662         split_all_insns_noflow in PIC case if needed.
7663
7664 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7665             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7666
7667         PR c++/18279
7668         * c-decl.c (c_write_global_declarations): Dump contents of
7669         external scope to.
7670         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7671         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7672         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7673         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7674         is enabled.
7675
7676 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
7677
7678         * c-common.h (GCC_DIAG_STYLE): Define.
7679         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
7680         version for format checking to 4.1.
7681         * c-format.c: Include toplev.h after c-common.h.
7682         (enum format_type): Add gcc_tdiag_format_type.
7683         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7684         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7685         (format_types_orig): Add gcc_tdiag.
7686         (init_dynamic_diag_info): Support gcc_tdiag formats.
7687         (handle_format_attribute): Likewise.
7688         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7689         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
7690         version for format checking to 4.1.
7691         (warning0, warning, error, pedwarn, sorry): Use
7692         ATTRIBUTE_GCC_DIAG.
7693         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7694         (finish_aliases_1): Do not use %qE.
7695         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7696         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7697         Correct format bugs.
7698         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7699         parameter to unsigned HOST_WIDE_INT.
7700         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7701
7702 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
7703
7704         PR middle-end/21742
7705         * expr.c (write_complex_part): Use adjust_address for MEM.
7706         (read_complex_part): Same.
7707
7708 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
7709
7710         Fix PR tree-optimization/22280
7711
7712         * tree-sra.c (generate_element_init): Remove useless loop.
7713
7714 2005-07-02  Richard Henderson  <rth@redhat.com>
7715
7716         * config/alpha/alpha.c (alpha_legitimize_address): Check for
7717         TLS_MODEL_NONE.
7718         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7719
7720 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
7721
7722         PR middle-end/14490
7723         * fold-const.c (fold_binary): Handle the return value of
7724         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7725         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7726
7727 2005-07-02  Jeff Law  <law@redhat.com>
7728
7729         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7730         a eliminate type conversion which feeds an equality comparison
7731         if the original type or either operand in the comparison is a
7732         function pointer.
7733
7734 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
7735
7736         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7737         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7738         texts.
7739         * config/avr/avr.c: Do not use '`' as left quote.
7740         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7741         Remove "." from end of diagnostics.  Make diagnostics start with
7742         lowercase letter.
7743
7744 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
7745             Joseph S. Myers  <joseph@codesourcery.com>
7746
7747         * toplev.c (default_tree_printer): Handle setting location with
7748         '+' flag.
7749         * c-objc.common.c (c_tree_printer): Likewise.
7750         * c-format.c (gcc_diag_flag_specs): Add '+'.
7751         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7752         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7753         formats.
7754         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7755         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7756         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7757         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7758         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7759         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
7760         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
7761         format arguments where %J is used without %D.
7762
7763 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
7764
7765         * gcc.c (LINK_SSP_SPEC): Define.
7766         (link_ssp_spec): New variable.
7767         (LINK_COMMAND_SPEC): Add %(link_ssp).
7768         (static_specs): Add link_ssp_spec.
7769         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7770         * configure: Rebuilt.
7771         * config.in: Rebuilt.
7772
7773         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7774         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7775         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7776         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7777         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7778         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7779         -0x7008(2) instead of reading __stack_chk_guard variable.
7780         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7781         number.
7782         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7783         (stack_protect_set, stack_protect_test): Use *_tls* patterns
7784         if TARGET_THREAD_SSP_OFFSET is defined.
7785         (stack_tls_protect_set_si, stack_tls_protect_set_di,
7786         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7787
7788         Revert:
7789         2005-06-27  Richard Henderson  <rth@redhat.com>
7790         * libgcc-std.ver (GCC_4.1.0): New.
7791         * libgcc.h (__stack_chk_guard): Declare.
7792         (__stack_chk_fail, __stack_chk_fail_local): Declare.
7793         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7794         * mklibgcc.in (lib2funcs): Add them.
7795
7796 2005-07-01  Richard Henderson  <rth@redhat.com>
7797
7798         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7799         void * before struct sigcontext *.
7800         (x86_fallback_frame_state): Likewise.
7801
7802 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
7803
7804         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7805
7806 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7807
7808         PR tree-opt/22269
7809         * tree-ssa-reassoc.c (should_transpose): Fix which operand
7810         we check for SSA_NAME for.
7811
7812 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
7813
7814         Fix PR tree-optimization/22071
7815
7816         * tree-ssa-structalias.c (offset_overlaps_with_access): New
7817         function.
7818         (get_constraint_for_component_ref): Use it.
7819
7820 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
7821
7822         PR other/22264
7823         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7824         print out the last new line.
7825
7826 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
7827
7828         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7829         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7830         * config/cris/cris.c (cris_conditional_register_usage): Adjust
7831         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7832         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7833         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7834         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7835         (enum reg_class): New member CC0_REGS.
7836         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7837         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7838         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7839         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7840         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7841         Adjust for register now described.
7842
7843 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
7844
7845         PR target/22262
7846         * config/i386/i386.md (stack_protect_test_si,
7847         stack_protect_test_di): Add earlyclobber for scratch 3.
7848         * config/rs6000/rs6000.md (stack_protect_testsi,
7849         stack_protect_testdi): Add earlyclobber for scratch 3,
7850         remove earlyclobber from scratch 4.
7851
7852 Older entries for 2005 can be found in ChangeLog-2005.