OSDN Git Service

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