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* c.opt (ffixed-line-length-none): New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2
3         * c.opt (ffixed-line-length-none): New.
4
5 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
6
7         * mklibgcc.in: Change contents of eh_dummy.c.
8
9 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
10
11         * loop.c (scan_loop): Do not insert temporaries for hard registers.
12
13 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
14
15         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
16         of making syscalls.
17         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
18
19 2005-11-15  Jan Hubicka  <jh@suse.cz>
20
21         * invoke.texi (large-unit-insns): Document.
22         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
23         * params.def (large-unit-insns): New param.
24
25 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
26
27         PR target/24869
28         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
29         special register for operand 3.  Reindent constraints to align
30         them vertically.
31
32 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
33
34         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
35         -mpopcntb, -mfprnd. Add -mcpu=power5+.
36         * configure.ac: Add test for FP rounding instructions.
37         * configure: Regenerate.
38         * config.in: Regenerate.
39         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
40         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
41         features enabled.
42         * config/rs6000/rs6000.opt (mfprnd): New.
43         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
44         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
45         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
46         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
47         (TARGET_FPRND): New.
48         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
49         UNSPEC_FRIZ): New.
50         (btrunc<mode>2): New.
51         (ceil<mode>2): New.
52         (floor<mode>2): New.
53         (round<mode>2): New.
54
55 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
56
57         * gcc.c (version_compare_spec_function): Use fatal() rather than
58         abort().
59
60         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
61         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
62         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
63         as empty.
64         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
65         link in crt2.o.
66         
67         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
68         on -mmacosx-version-min setting.
69
70 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
71
72         PR 24840
73         * tree-vrp.c (infer_value_range): Return false if STMT is a
74         block terminator and its basic block has no successors.
75
76 2005-11-14  Mike Stump  <mrs@apple.com>
77
78         * config/i386/i386.c (override_options): -masm=intel isn't
79         supported on darwin.
80         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
81
82 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
83
84         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
85         vfork after including auto-host.h.
86
87 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
88
89         PR rtl-optimization/22002
90         * combine.c (distribute_notes): Detect cases where a reg dies
91         two or more times in a bb, including on the insn we are combining,
92         and place the death note on the correct range.
93
94 2005-11-14  Dale Johannesen  <dalej@apple.com>
95
96         * expmed.c (store_bit_field):  Add offset unconditionally for
97         memory targets.
98         (extract_bit_field):  Don't force extzv or extv operand into
99         a register if field is too big.
100
101 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
102
103         * config/arm/arm.c (pic_labelno): New.
104         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
105         LABEL_REF.  Pass only the labelno to PIC insns.
106         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
107         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
108         * arm.md (UNSPEC_PIC_LABEL): New constant.
109         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
110         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
111         Use the correct label prefix.
112
113 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
114
115         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
116         REQ_EQUIV note.
117
118 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
119
120         * loop-invariant.c: Include tm_p.h.
121         * Makefile.in: Updated.
122
123 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
124
125         * pa.c (store_reg): Revise generation of frame notes in large frames.
126         (set_reg_plus_d): Likewise.
127
128 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
129
130         PR tree-optimization/24709
131         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
132         loop check.
133
134 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
135
136         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
137         and duplicate declaration of pthread_self.
138
139 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
140             Ian Lance Taylor  <ian@airs.com>
141
142         PR middle-end/24003
143         * calls.c (expand_call): If TARGET is a MEM and some part of the
144         argument area has been saved, force TARGET to a register.
145
146 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
147
148         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type 
149         checking.
150
151 2005-11-13  Jason Merrill  <jason@redhat.com>
152
153         PR c++/22489
154         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
155         lazily declared methods.
156         (force_decl_die): Stop if forcing out the context already make a
157         DIE for the decl.
158         (force_type_die): Likewise.
159
160 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
161
162         PR middle-end/24820
163         * builtins.c (integer_valued_real_p): Add break in
164         REAL_CST having TREE_OVERFLOW set.
165
166 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
167
168         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
169         addressing modes during calculation of costs.
170
171 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
172
173         * function.c (assign_stack_local_1): Restrict sanity check
174         on frame size overflow to 32-bit and above platforms.
175
176 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
177
178         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
179         * config/cris/cris.c: Include reload.h.
180         (cris_initial_elimination_offset): New function.
181         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
182         Prototype.
183
184 2005-11-12  Richard Guenther  <rguenther@suse.de>
185
186         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
187
188 2005-11-12  Jan Hubicka  <jh@suse.cz>
189
190         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
191         to compare against 0 when possible.
192
193 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
194
195         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
196         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
197         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
198         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
199         in the new order.
200
201 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
202
203         * recog.c (constrain_operands) <case 'g'>: For a match, require
204         that a non-register matches general_operand when strict >= 0.
205
206 2005-11-11  Steven Bosscher  <stevenb@suse.de>
207
208         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
209         previous checkin.
210
211 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
212
213         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
214         (memory_address_same): New.
215         (dse_optimize_stmt): Call memory_address_same.
216
217 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
218
219         PR middle-end/24750
220         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
221         ZERO_EXTEND>: New cases.
222
223 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
224
225         * longlong.h (__clz_tab): Always provide.
226
227 2005-11-11  Steven Bosscher  <stevenb@suse.de>
228
229         PR 24265
230         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
231         can be assigned to.
232         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
233         before check_maybe_invariant.
234         (move_invariant_reg): Use gen_move_insn instead of replacing
235         SET_DEST with the temporary for the invariant.
236         (move_loop_invariants): If checking is enabled, do internal
237         consistency checks after completing the pass.
238
239 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
240
241         PR 24644
242         * common.opt (Wvolatile-register-var): New.
243         * varasm.c (make_decl_rtl): Only emit warning when option
244         specified.  Clarify warning message.
245         * doc/invoke.texi (Wvolatile-register-var): Document new option.
246
247         * doc/md.texi (copysign): Document standard named pattern.
248
249 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
250
251         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
252         bytes when align is 2.
253         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
254         by the first instruction of the loop.
255
256 2005-11-11  Jason Merrill  <jason@redhat.com>
257
258         PR c++/24686
259         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore 
260         the cleanup list.
261
262 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
263
264         PR rtl-optimization/22509
265         * local-alloc.c (memref_used_between_p): Check whether a function call
266         could not reference the memref.
267
268 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
269
270         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
271         algorithm so as to choose the best, not the worst, alternative.
272         Reset accumulated register class before processing next alternative.
273
274 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
275
276         PR target/24445
277         * calls.c (expand_call): Copy a return value to a plain register
278         if needed.
279
280 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
281
282         PR target/24778
283         * varasm.c (assemble_name): Recompute name only for transparent
284         aliases.
285
286 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
287
288         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
289
290 2005-11-04  Jeff Law  <law@redhat.com>
291
292         PR middle-end/23181
293         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
294         perform reassociation if the parent statement will not die as
295         a result of the optimization.
296
297 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
298
299         * tree-ssa-alias.c (compute_may_aliases): Remove call to 
300         delete_old_heap_vars.
301         * tree-dfa.c (referenced_var_remove): Remove function.
302         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
303         (delete_tree_ssa): Remove call to delete_old_heapvars.
304         Add call to delete_alias_heapvars.
305         * tree-flow.h (referenced_var_remove): Remove prototype
306         (init_alias_heapvars): New prototype.
307         (delete_alias_heapvars): Ditto.
308         * Makefile.in (tree-ssa-structalias.o): Add
309         gt-tree-ssa-structalias.o
310         (GTFILES): Add tree-ssa-structalias.h and
311         tree-ssa-structalias.c.
312         (s-gtype): Add gt-tree-ssa-structalias.h.
313         * tree-ssa-structalias.c (heapvars): Remove.
314         (oldheapvars): Remove.
315         (heapvar_for_stmt): New variable.
316         (heapvar_lookup): New function.
317         (heapvar_insert): Ditto.
318         (get_constraint_for): See if we have an old heapvar
319         to reuse.
320         (init_alias_heapvars): New function.
321         (delete_alias_heapvars): Ditto.
322         Add include of gt-tree-ssa-structalias.h.
323
324 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
325
326         PR middle-end/22127
327         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
328
329 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
330
331         * tree.c (int_fits_type_p): Only look at the base type
332         if it has the same precision as the original type.
333
334 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
335
336         PR other/4372
337         * varasm.c (assemble_alias): Use %q+D in the error
338         message instead of %J and %qD.
339
340 2005-11-10  Richard Guenther  <rguenther@suse.de>
341
342         * gcse.c (free_ldst_entry): Only free hashtable if
343         it exists.
344
345 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
346
347         * function.c (assign_stack_local_1): Issue an error message if
348         the frame size overflows in the signed target arithmetics.
349
350 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
351
352         * tree.c (build_qualified_type): Chain the new type to the original
353         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
354         a POINTER_TYPE or a REFERENCE_TYPE respectively.
355         (build_pointer_type_for_mode): Only return unqualified types.
356         (build_reference_type_for_mode): Likewise.
357
358 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
359
360         * Makefile.in (gnucompare): Do comparison of all files using one of
361         the chosen methods and only afterwards decide if just warning should
362         be issued or comparison failure raised.
363
364 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
365
366         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
367         (noce_try_abs): Negate if the comparison is reversed.
368         Look only one instruction backwards for a REG_EQUAL note.
369
370 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
371
372         PR other/4372
373         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
374         gthr-tpf.h: Define __gthrw.  For all identifiers that might
375         be weak, introduce weakrefs or non-weak aliases with __gthrw,
376         and prefix all uses with __ghtrw.
377
378 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
379
380         PR other/4372
381         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
382         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
383         * c-common.c (handle_weakref_attribute): New.
384         (c_common_attribute_table): Add weakref.
385         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
386         in the assembler.
387         * configure, config.in: Rebuilt.
388         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
389         * doc/extend.texi: Document weakref attribute.
390         * varasm.c (ultimate_transparent_alias_target): New
391         (assemble_name): Use it.
392         (weak_finish_1): Split out of...
393         (weak_finish): ... and deal with weakrefs in...
394         (weakref_targets): ... new list.
395         (globalize_decl): Clean up weakref_targets.
396         (do_assemble_alias): Handle weakrefs.
397         (finish_aliases_1): Do not reject weakrefs to external symbols.
398         (assemble_alias): Handle weakrefs.
399
400 2005-11-09  Richard Guenther  <rguenther@suse.de>
401
402         PR tree-optimization/24716
403         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
404         t_bool to track results from follow_ssa_edge.
405
406 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
407
408         * final.c (force_source_line): New global variable.
409         (final_scan_insn): Set it to true instead of clearing last_filename.
410         (notice_source_line): Return true if force_source_line is true,
411         unless source info is absent.
412
413 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
414
415         PR c/24644
416         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
417         a linkage name for a variable if it a register variable.
418         * c-decl.c (grokdeclarator): Global register variables
419         should be set as PUBLIC.
420
421 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
422
423         PR 24624
424         * config/s390/s390.c (struct s390_frame_layout): New fields 
425         first_save_gpr_slot and last_save_gpr_slot.
426         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,  
427         s390_emit_epilogue, s390_initial_elimination_offset): Replaced 
428         first_save_gpr and last_save_gpr with the _slot variants.
429         (s390_register_info): Calculate first_save_gpr_slot and 
430         last_save_gpr_slot using regs_ever_live.
431
432 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
433
434         PR 24623
435         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
436         for a function containing a landing pad.
437
438 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
439
440         PR 24034
441         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
442         is live afterwards.
443
444 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
445
446         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
447         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
448
449 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
450
451         Add ms2 support
452         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
453         constants.
454         (call,load,store): New insn types.
455         (mem_access, branch_access): Adjust reservation conditions.
456         (define_delay): Adjust condition.
457         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
458         type.
459         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
460         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
461         insn type.
462         (call_internal, call_value_internal, return_internal,
463         return_interrupt_internal, eh_return_internal, indirect_jump,
464         tablejump): Set call insn type.
465         (blockage, ei, di): Use appropriate unspec const.
466         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
467         (ms1_get_attr_type): Adjust to give load & store types.
468         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
469         backwards past a barrier.
470         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
471         branch scheduling.
472         (struct branch_info, struct label_info): New.
473         (ms1_labels): New.
474         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
475         (ms1_machine_reorg): New.
476         (TARGET_MACHINE_DEPENDENT_REORG): Override.
477         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
478         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
479         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
480         (TARGET_MS2): New.
481
482 2005-11-09  Per Bothner  <per@bothner.com>
483             Uros Bizjak  <uros@kss-loka.si>
484         
485         PR c/24101
486         * toplev.c (process_options): Initialize debug_hooks early
487         in case lang_hooks.post_options ends up calling a debug_hook.
488
489 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
490
491         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
492         DBX_REGISTER_NUMBER being contiguous.
493
494 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
495             Diego Novillo  <dnovillo@redhat.com>
496
497         PR 23046
498         * tree-vrp.c (register_edge_assert_for): Do not register
499         always-false predicates.
500
501 2005-11-08  Devang Patel <dpatel@apple.com>
502
503         PR tree-optimization/23115
504         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
505         relation.
506
507 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
508
509         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
510         -mcpu=440.
511
512 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
513
514         Fix PR tree-optimization/23382
515
516         * tree-ssa-alias.c (compute_may_aliases): Call
517         delete_old_heap_vars.
518         * tree-dfa.c (referenced_var_remove): New function.
519         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
520         * tree-flow.h (referenced_var_remove): Add prototype.
521         (delete_old_heap_vars): Ditto.
522         * tree-ssa-structalias.c (heapvars): New variable.
523         (oldheapvars): Ditto.
524         (get_constraint_for): Put heap vars on heapvars list.
525         (delete_old_heap_vars): New function.
526         
527 2005-11-08  Jason Merrill  <jason@redhat.com>
528
529         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
530
531 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
532
533         PR target/19340
534         * reg-stack.c (reg_to_stack): Update register liveness also
535         for flag_sched2_use_traces.
536
537 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
538
539         PR target/23704
540         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
541         override prior explicit -mno-powerpc-gfxopt.
542
543 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
544
545         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
546         if the bitsize is zero.
547         * doc/md.texi (Standard Pattern Names): Document it.
548
549         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
550         (TARGET_PASS_BY_REFERENCE): Likewise.
551
552 2005-11-07  Ian Lance Taylor  <ian@airs.com>
553
554         PR rtl-optimization/24683
555         * config/i386/i386.c (legitimize_pic_address): If constant operand
556         to PLUS is too large, put it in a register.
557
558 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
559
560         * configure.ac: Enable checking assembler dwarf2 support for bfin
561         target.
562         * configure: Regenerate.
563
564 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
565
566         PR target/24230
567
568         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
569         gen_easy_vector_constant_add_self): Delete.
570         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
571         New.
572         (output_vec_const_move): Use gen_easy_altivec_constant.
573         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
574         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
575         (easy_vector_constant_add_self): Rewritten.
576         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
577         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
578         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
579         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
580         Macroize and adjust for the other changes.
581
582 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
583
584         PR c/24599
585
586         * c-typeck.c (build_c_cast): Try using a shared constant, and see
587         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
588
589 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
590
591         PR rtl-optimization/23567
592         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
593         (noce_process_if_block): Don't do any optimizations except
594         if (cond) x = x; if !set_b and write into orig_x may trap
595         or fault.  Remove the MEM_READONLY_P check.
596
597 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
598
599         PR 24670
600         * tree-vrp.c (fix_equivalence_set): New.
601         (extract_range_from_assert): Call it.
602
603 2005-11-05  Ian Lance Taylor  <ian@airs.com>
604
605         PR target/22432
606         * combine.c (apply_distributive_law): Don't distribute across a
607         vector mode subreg.
608
609 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
610
611         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
612         config/ms1/ms1.h, config/rs6000/predicates.md,
613         config/s390/s390.c, params.def, postreload-gcse.c,
614         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
615         tree-vrp.c, tree.c: Fix comment typos.
616         * doc/invoke.texi: Fix typos.
617
618 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
619
620         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
621         for testing whether the data_dependence_relation contains distance
622         vectors.  Iterate over all distance vectors of the ddr.
623         * lambda.h: Define a vec of lambda_vector pointers.
624         * tree-data-ref.c (dump_data_dependence_relation,
625         dump_data_dependence_direction): Iterate over all distance and
626         direction vectors of the ddr.
627         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
628         DDR_DIST_VECTS.
629         (build_classic_dist_vector, build_classic_dir_vector): Push a set
630         of distance/direction vectors instead of a single one.
631         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
632         lambda_vectors with a vec of lambda_vectors.
633         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
634         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
635         DDR_NUM_DIST_VECTS): New.
636         * tree-loop-linear.c (gather_interchange_stats): Test for the
637         existence of distance vectors only after having checked that there
638         is a dependence.  Iterate over all distance vectors of the ddr.
639         (linear_transform_loops): Use dump_data_dependence_relation.
640         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
641         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
642         distance vectors of the ddr.
643
644 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
645
646         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
647         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
648         IS_INTHANDLER; all callers changed.
649         (n_regs_saved_by_prologue): Take interrupt handler attributes into
650         account.
651         (do_link, do_unlink): New argument ALL; all callers changed.
652         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
653         If function isn't leaf, save and restore all registers.
654         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
655         exception handler.
656
657 2005-11-05  Jan Hubicka  <jh@suse.cz>
658
659         PR rtl-optimization/23490
660         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
661         max-flow-memory-location): Document.
662         * flow.c: Include params.h
663         (MAX_MEM_SET_LIST_LEN): Kill.
664         (add_to_mem_set_list): Use new param.
665         * cse.c (cse_basic_block): Replace 1000 by new param.
666         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
667         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
668         * predict.c (predict_loops): Use new param.
669         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
670
671         * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
672         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
673         Do not hold memory returned by cgraph_node_name across other call.
674
675 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
676
677         PR target/23424
678         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
679         Disable.
680
681 2005-11-04  Jeff Law  <law@redhat.com>
682
683         PR/21883
684         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
685         * tree-ssa-dom.c: Include params.h.
686         (thread_across_edge): If there are too many statements in the
687         target block, then do not thread through it.
688         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
689         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
690
691 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
692
693         PR 24627
694         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
695         TODO_update_ssa instead of TODO_update_ssa_no_phi.
696
697 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
698
699         PR/18595
700         * tree-scalar-evolution.c (instantiate_parameters_1,
701         instantiate_parameters, resolve_mixers): Compute the size of an
702         expression to be instantiated and give up the instantiation if the
703         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
704
705 2005-11-04  Richard Guenther  <rguenther@suse.de>
706
707         * tree-flow.h (ref_contains_indirect_ref): Rename to
708         array_ref_contains_indirect_ref.
709         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
710         (array_ref_contains_indirect_ref): Make comment match the code
711         and vice-versa.
712         (ref_contains_array_ref): Likewise.
713         * tree-ssa-structalias.c (find_func_aliases): Remove call to
714         ref_contains_indirect_ref.
715         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
716         Rename calls to ref_contains_indirect_ref.
717
718 2005-11-04 Paul Brook  <paul@codesourcery.com>
719
720         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
721         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
722         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
723         * config/arm/arm.md: Use match_operand in peephole input templates
724         and match_dup in peephole output templates.
725
726 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
727
728         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
729         __aeabi_uidiv.
730
731 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
732             Daniel Jacobowitz  <dan@codesourcery.com>
733
734         * longlong.h (add_ssaaaa): Clobber condition code register
735         in ARM version.
736         (sub_ddmmss): Likewise.
737         (umul_ppmm): Likewise.
738
739 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
740             Paul Brook  <paul@codesourcery.com>
741             Phil Blundell  <pb@reciva.com>
742
743         * configure.ac: Add test for ARM TLS support.
744         * configure: Regenerated.
745         * config/arm/arm-protos.h (legitimize_tls_address)
746         (arm_tls_referenced_p, tls_mentioned_p)
747         (arm_output_addr_const_extra): New prototypes.
748         (thumb_legitimize_pic_address): Delete.
749         * config/arm/arm.c: Include "gt-arm.h".
750         (enum tls_reloc): New.
751         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
752         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
753         (arm_call_tls_get_addr, legitimize_tls_address)
754         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
755         (arm_init_tls_builtins, arm_emit_tls_decoration)
756         (arm_output_addr_const_extra): New functions.
757         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
758         (TARGET_HAVE_TLS): Define.
759         (target_thread_pointer): New.
760         (arm_override_options): Handle -mtp=.
761         (legitimize_pic_address): Ignore UNSPECs.
762         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
763         relative symbols.
764         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
765         (tls_get_addr_libfunc): New variable.
766         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
767         (arm_init_builtins): Call arm_init_tls_builtins.
768         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
769         (arm_encode_section_info): Call default_encode_section_info.
770         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
771         (enum arm_tp_type): New.
772         (target_thread_pointer): Add declaration.
773         (LEGITIMATE_CONSTANT_P): Handle TLS.
774         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
775         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
776         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
777         * config/arm/arm.md: Add UNSPEC_TLS.
778         (movsi): Handle TLS.
779         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
780         non-PIC.
781         (tls_load_dot_plus_eight): New insn and a peephole to create it.
782         (load_tp_hard, load_tp_soft): New insns.
783         * arm.opt: Add -mtp=.
784         * doc/invoke.texi (ARM Options): Document -mtp.
785
786 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
787
788         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
789         * config/arm/libunwind.S: Include "lib1funcs.asm".
790         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
791         (LIB2ADDEH): Add libunwind.S.
792         (LIB2ADDEHDEP): Add lib1funcs.asm.
793         * mklibgcc.in: Handle asm files in libgcc_eh.a.
794
795 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
796
797         PR fortran/18452
798         * gcc/c.opt: Add a -lang-fortran option.
799         * gcc/c-opts.c: Add a lang_fortran flag.
800         (c_common_init_options): Handling the -lang-fortran option.
801         (c_common_handle_option): Add a case for Fortran options in
802         preprocessing. Remove cases for -ffixed-form and
803         -ffixed-line-length. Add a case for -lang-fortran.
804
805 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
806
807         * config/rs6000/rs6000.c: Include params.h
808         (optimization_options): Set max-grow-copy-bb-insns default to 16.
809         (bdesc_2arg): Delete vpkuhss and vpkuwss.
810         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
811         (UNSPEC_VPKUWSS): Delete.
812         (altivec_vpkuhss): Delete.
813         (altivec_vpkuwss): Delete.
814         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
815         final condition.
816         (neg_eq0<mode>): Remove final condition.
817         (neg_eq<mode>): Remove condition and split-condition.
818
819 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
820
821         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
822         Use associated print macros.
823
824 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
825
826         PR c++/17964
827         * diagnostic.c (diagnostic_set_info_translated): New function.
828         (diagnostic_set_info): Use it.  Add comment.
829         * diagnostic.h (diagnostic_set_info_translated): Declare.
830
831 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
832
833         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
834         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
835         reference only if 'public' is true.
836         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
837         emit the .hidden directive only if the indirect reference is public.
838         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
839         Pass it to dw2_force_const_mem.
840         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
841         * dwarf2out.c (output_cfi): Adjust calls to above function.
842         (output_call_frame_info): Likewise.
843         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
844         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
845
846 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
847
848         PR tree-optimization/24483
849         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
850         field to elts if possible.
851
852 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
853
854         PR middle-end/23155
855         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
856         CONSTRUCTOR.
857
858 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
859
860         Fix PR tree-optimization/24351
861
862         * tree-ssa-structalias.c (struct variable_info): Add
863         collapsed_into.
864         (get_varinfo_fc): New function to follow collapsing.
865         (new_var_info): Set collapsed_to to NULL.
866         (dump_constraint): Follow collapsing.
867         (build_constraint_graph): Handle collapsing.
868         (do_simple_structure_copy): Return false if something bad
869         happened.
870         (collapse_rest_of_var): New function.
871         (do_structure_copy): Collapse if do_simple_structure_copy returns
872         false.
873         
874 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
875
876         PR middle-end/24589
877         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
878         expressions to a statement list instead of gimplifying them.
879
880 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
881
882         PR rtl-optimization/23585
883         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
884         that can't trap plus a constant integer, if the mode has zero size.
885
886 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
887
888         PR target/24620
889         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
890         as operand 2.
891         ("*insv<mode>_reg_extimm"): Likewise.
892
893 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
894
895         PR c/24329
896         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
897         c_common_type_for_mode returns an unnamed type.
898
899 2005-11-02  Richard Henderson  <rth@redhat.com>
900
901         PR target/9350
902         PR target/24374
903         * dwarf2out.c (dwarf2out_reg_save_reg): New.
904         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
905         * function.c (assign_parms): Use calls.internal_arg_pointer.
906         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
907         code.
908         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
909         (TARGET_CALLS): Add it.
910         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
911         * targhooks.c (default_internal_arg_pointer): New.
912         * targhooks.h (default_internal_arg_pointer): Declare.
913         * tree.h (dwarf2out_reg_save_reg): Declare.
914         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
915         * config/i386/i386.c (dbx_register_map): Add return column.
916         (dbx64_register_map, svr4_dbx_register_map): Likewise.
917         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
918         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
919         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
920         (ix86_save_reg): Save force_align_arg_pointer.
921         (ix86_emit_save_regs): Make regno unsigned.
922         (ix86_emit_save_regs_using_mov): Likewise.
923         (ix86_expand_prologue): Handle force_align_arg_pointer.
924         (ix86_expand_epilogue): Likewise.
925         * config/i386/i386.h: (dbx_register_map): Update.
926         (dbx64_register_map, svr4_dbx_register_map): Update.
927         (struct machine_function): Add force_align_arg_pointer.
928         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
929         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
930         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
931
932 2005-11-02  Jan Hubicka  <jh@suse.cz>
933
934         PR target/23303
935         * i386.md: Add peep2 for simplyfing array accesses.
936
937 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
938
939         PR target/24615
940         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
941         * config/s390/s390.c (s390_decompose_shift_count): New function.
942         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
943         (print_shift_count_operand): Use s390_decompose_shift_count.
944         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
945         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
946
947 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
948
949         PR target/24600
950         * loop.c (loop_givs_rescan): Use force_operand to expand
951         complex GIVs.
952
953 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
954
955         PR 22429
956         * fold-const.c (build_range_check): Use unsigned when signed
957         overflow is undefined also.  If etype is subtype, make sure that
958         the subtraction is in the supertype.
959
960 2005-11-02  Richard Henderson  <rth@redhat.com>
961
962         PR target/24178
963         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
964         by MEM_ALIGN.
965
966 2005-11-01  Richard Henderson  <rth@redhat.com>
967
968         PR 21518
969         * loop.c (scan_loop): Do not propagate computations to a hard
970         register destination with SMALL_REGISTER_CLASSES.
971
972 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
973
974         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
975         costs for MULT inside PLUS or MINUS.
976
977 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
978
979         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
980         (TRAMPOLINE_SIZE): Round up to 60.
981         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
982
983 2005-10-31  James E. Wilson  <wilson@specifix.com>
984
985         PR debug/24444
986         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
987         ifdef.  Put ifdefs around call in gen_subprogram_die.
988         (compute_frame_pointer_to_cfa_displacement): Likewise.
989         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
990         not defined.
991         
992         PR rtl-optimization/17356
993         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
994         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
995
996 2005-10-31  Jan Hubicka  <jh@suse.cz>
997
998         PR middle-end/24093
999         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1000
1001         PR target/20928
1002         * i386.c (legitimize_pic_address): Deal with large immediates.
1003
1004         PR profile/20815
1005         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1006         from symbol names while computing checkup.
1007
1008         PR profile/24487
1009         * predict.c (predict_loops): Do not estimate more than
1010         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1011         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1012
1013 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
1014         
1015         PR tree-optimization/19097
1016         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1017
1018 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
1019
1020         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1021
1022 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
1023
1024         PR middle-end/23492
1025         * tree-inline.c (setup_one_parameter): If the init_stmt
1026         is NULL, don't insert the statement.
1027
1028 2005-10-30  Jan Hubicka  <jh@suse.cz>
1029
1030         PR tree-optimization/24172
1031         * tree-inline.c (copy_body_r): Unshare the substituted value first.
1032
1033 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
1034
1035         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1036         constants for hosts with long != 32 bits.
1037
1038 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
1039
1040         PR middle-end/24093
1041         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1042
1043 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
1044
1045         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1046         (TARGET_MS1_16_002): New.
1047         (TARGET_MS1_16_003): New.
1048
1049         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1050         ("*decrement_and_branch_until_zero_no_clobber"): New.
1051         Add corresponding splitter for decrement_and_branch_until_zero
1052         instruction.
1053         Key all decrement_and_branch_until_zero patterns off of
1054         TARGET_MS1_16_003.
1055
1056 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
1057
1058         PR middle-end/24362
1059         * tree-complex.c (extract_component): Treat RESULT_DECL
1060         like the rest of the decls.
1061
1062 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
1063
1064         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1065         indirect call to _mcount if the function needs a static chain.
1066
1067 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
1068             Caroline Tice  <ctice@apple.com>
1069
1070         PR rtl-optimization/24460
1071         * dwarf2out.c (have_switched_text_sections): New boolean variable.
1072         (dwarf2out_switch_text_section): Set it to true instead of
1073         incrementing separate_line_info_table_in_use.
1074         (output_loc_list): Additionally test have_switched_text_sections.
1075         (output_ranges): Likewise.
1076         (dwarf2out_finish): Likewise.
1077         * varasm.c (assemble_start_function): Do not call
1078         insert_section_boundary_note.
1079         (assemble_end_function): If flag_reorder_blocks_and_partition,
1080         switch to the function's section before emitting the .size directive.
1081         * bb-reorder.c (insert_section_boundary_note): Staticify.
1082         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1083         * output.h (insert_section_boundary_note): Delete.
1084
1085 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
1086
1087         PR c/23103
1088         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1089         instead of pointer equality when comparing types.
1090
1091 2005-10-24  James E. Wilson  <wilson@specifix.com>
1092
1093         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1094         add_dependence_list_and_free calls.
1095
1096 2005-10-24  Steven Bosscher  <stevenb@suse.de>
1097
1098         * contrib.texi: Add the names of the LLNL folks who donated
1099         Cray pointer support for gfortran.
1100
1101 2005-10-24  Steven Bosscher  <stevenb@suse.de>
1102
1103         PR tree-optimization/24225
1104         * profile.c (branch_prob): Look from end to start through a
1105         basic block when looking for a locus.
1106
1107 2005-10-24  Richard Henderson  <rth@redhat.com>
1108
1109         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1110         parallel.
1111         (hppa_expand_prologue): Likewise.
1112
1113 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1114
1115         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1116         (NO_DEFERRED_PROFILE_COUNTERS): Define.
1117         * pa.h (NO_PROFILE_COUNTERS): Define.
1118         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1119         (funcdef_nos): New vector to hold label numbers of deferred profile
1120         counters.
1121         (output_deferred_profile_counters): New function.
1122         (hppa_profile_hook): Push label number onto funcdef_nos.
1123         (pa_hpux_file_end): Call output_deferred_profile_counters if
1124         NO_DEFERRED_PROFILE_COUNTERS is false.
1125
1126         * pa-protos.h (get_deferred_plabel): New prototype.
1127         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
1128         Make global.
1129         (output_call): Adjust calls.
1130
1131 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
1132
1133         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1134         peculiarity of GOT/TOC section usage.
1135
1136 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
1137
1138         PR objc/24435
1139          * c-common.c (constant_string_class_name): Add documentation.
1140
1141 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
1142
1143         PR target/23832
1144         * recog.c (peephole2_optimize): Increment peep2_current_count
1145         only when the slot is empty.
1146
1147 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1148
1149         PR ada/23957
1150         * except.c (output_function_exception_table): Call
1151         assemble_external_libcall if we need a personality function.
1152
1153 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1154
1155         PR rtl-optimization/24460
1156         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1157         set the basic block for barriers.
1158
1159 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
1160
1161         * var-tracking.c (vt_initialize): Initialize post.
1162
1163 2005-10-21  Devang Patel  <dpatel@apple.com>
1164
1165         PR/24220
1166         * c-common.c (vector_types_convertible_p): Check vector element type.
1167         
1168 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1169
1170         * config/sh/sh.c (prepare_move_operands): Handle the address
1171         constant which is a tls symbolic address plus a constant.
1172
1173 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1174
1175         PR driver/24473
1176         * gcc.c (main): Use the correct counter for erroring out
1177         about mulitple files.
1178
1179 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
1180
1181         PR target/24465
1182         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1183         use r2 for 64-bit tls .got access.
1184
1185 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
1186
1187         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1188         TRUTH_OR_EXPR.
1189
1190 2005-10-20  Steven Bosscher  <stevenb@suse.de>
1191
1192         PR tree-optimization/24307
1193         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1194
1195 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
1196
1197         PR middle-end/24295
1198         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1199         alias targets.
1200         * varasm.c (find_decl_and_mark_needed): After cgraph global info
1201         is ready, stop marking functions, but still mark variables.
1202
1203 2005-10-20  Richard Guenther  <rguenther@suse.de>
1204
1205         PR c++/24439
1206         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1207         void type operands.
1208
1209 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
1210
1211         PR rtl-optimization/23585
1212         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1213         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
1214         (may_trap_p_1): New predicate extracted from...
1215         (may_trap_p): ... here.  Invoke may_trap_p_1.
1216         (may_trap_or_fault_p): New predicate.
1217         * rtl.h (may_trap_or_fault_p): Declare it.
1218         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1219         instead of may_trap_p.
1220         (steal_delay_list_from_fallthrough): Likewise.
1221         (fill_simple_delay_slots): Likewise.
1222         (fill_slots_from_thread): Likewise.
1223         * function.c (pad_to_arg_alignment): Rework comment about
1224         SPARC_STACK_BOUNDARY_HACK.
1225         * config/sparc/sparc.h: Likewise.
1226
1227 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
1228
1229         * config/s390/s390.c (s390_expand_insv): New.
1230         * config/s390/s390-protos.h (s390_expand_insv): Declare.
1231         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1232         ("icm_hi"): Remove mode attribute.
1233         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1234         Adjust all uses.
1235         ("*extracthi", "*extractqi"): Remove.
1236         (extv<mode>", "*extzv<mode>"): New.
1237         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1238         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1239
1240 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1241
1242         * cfgexpand.c (discover_nonconstant_array_refs_r,
1243         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1244         (tree_expand_cfg): Call discover_nonconstant_array_refs.
1245         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1246         discover_nonconstant_array_refs.
1247
1248 2005-10-19  Steven Bosscher  <stevenb@suse.de>
1249
1250         PR c/23228
1251         * c-decl.c (pop_scope): Don't warn about an unused variable
1252         if it is marked with TREE_NO_WARNING.
1253         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1254         somenow mismatch and olddecl is to be replaced.
1255
1256 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1257
1258         PR middle-end/23199
1259         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1260         whether registers live on the edge can be saved/restored.
1261
1262 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1263
1264         * config/sh/sh.c (fixup_mova): Skip notes.
1265
1266 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1267
1268         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1269         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1270         (s390_can_eliminate): Handle BASE_REGNUM elimination.
1271         (s390_initial_elimination_offset): Likewise.
1272         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1273         register on TARGET_ZARCH targets.
1274         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1275         (INITIAL_FRAME_POINTER_OFFSET): Remove.
1276         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1277         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1278
1279 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1280
1281         * config/s390/s390.md: Comment describing output modifiers updated.
1282         * config/s390/s390.c (print_operand): Likewise.
1283
1284 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1285
1286         * config/s390/s390.c (override_options): Added check for -mstack-size
1287         64k limitation.
1288         * doc/invoke.texi: Mention that limit in the documenation.
1289
1290 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
1291
1292         PR #19672
1293         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1294
1295 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
1296
1297         Fix PR tree-optimization/24231
1298
1299         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1300         (compute_avail): Ditto.
1301
1302 2005-10-18  Richard Henderson  <rth@redhat.com>
1303
1304         PR target/24428
1305         * config/i386/i386.c (legitimate_constant_p): Check
1306         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
1307         if LABEL_REF.
1308         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1309         (legitimate_pic_address_disp_p): Reorg CONST checking to make
1310         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
1311         directly.
1312         (print_operand_address): Likewise.
1313         * config/i386/predicates.md (x86_64_immediate_operand): Test
1314         SYMBOL_REF_TLS_MODEL properly inside CONST.
1315         (x86_64_zext_immediate_operand): Likewise.
1316         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1317         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1318         * config/i386/i386-protos.h: Remove predicates.md entries.
1319
1320 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1321
1322         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1323         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1324
1325 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
1326             Ian Lance Taylor <ian@airs.com>
1327
1328         PR middle-end/23522
1329         * fold-const.c (fold_widened_comparison): Do not allow range based
1330         constant folding when right operand cannot be unwidened.
1331
1332 2005-10-17  Richard Henderson  <rth@redhat.com>
1333
1334         * builtins.c (expand_builtin_synchronize): Build a new-style asm
1335         with a memory clobber.
1336
1337 2005-10-17  James E Wilson  <wilson@specifix.com>
1338
1339         PR rtl-optimization/17356
1340         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1341         checking for EDGE_EH.
1342
1343 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1344
1345         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1346         the slot on an even boundary for any type with 16-byte alignment.
1347
1348 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
1349
1350         PR target/23424
1351         * md.texi (Modifiers) <%>: Clarify that % doesn't work
1352         after register allocation.
1353
1354 2005-10-17  DJ Delorie  <dj@redhat.com>
1355
1356         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1357         as frame related.
1358
1359 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
1360
1361         PR c++/22551
1362         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1363         overflow flags.
1364
1365 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1366
1367         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1368         to 2 if it's already non-zero.
1369         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1370         is set and warn about it if flag_schedule_insns is 1.
1371
1372 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
1373
1374         * config/crx/crx.md: Compare-and-branch instructions need to
1375         invalidate CC.
1376
1377 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
1378
1379         PR target/24315
1380         * config/i386/i386.md (*pushdi2_rex64 splitter)
1381         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1382         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1383         flow2 pass only when (optimize > 0 && flag_peephole2).
1384
1385 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
1386
1387         PR driver/22544
1388         * gcc.c (have_c): New static variable.
1389         (have_o): Likewise.
1390         (process_command): Remove declation of have_c.
1391         Set have_o to 1 when handling -o.
1392         (main): Add a fatel error if there are multiple
1393         files specified and -o and -c/-S is passed witout
1394         -combine or multiple languages.
1395
1396 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
1397
1398         Fix PR tree-optimization/22444
1399         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1400         Assert that we don't hit something with subvars.
1401         (setup_pointers_and_addressables): Don't add things with subvars,
1402         because we'll already process the subvars for aliasing purposes.
1403
1404 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
1405
1406         PR target/23424
1407         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1408         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1409         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1410         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1411         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1412         swapped, alternatives for the R constraint.
1413
1414         PR middle-end/24341
1415         * builtins.c (get_builtin_sync_mode): Make unlimited
1416         mode_for_size request.
1417
1418 2005-10-15  Richard Henderson  <rth@redhat.com>
1419
1420         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1421         (gimplify_expr): ... here.
1422         (gimplify_compound_lval): Use it in initial scan loop.  Allow
1423         fb_lvalue in base expression.
1424
1425 2005-10-15  Richard Henderson  <rth@redhat.com>
1426
1427         PR 23714
1428         * builtins.c (expand_builtin_trap): Export.
1429         * expr.h (expand_builtin_trap): Declare.
1430         * expr.c (expand_assignment): Emit a trap for integral offsets 
1431         from registers that weren't reduced to bitpos.
1432
1433         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1434         (mark_array_ref_addressable): Remove.
1435         * tree-flow.h (mark_array_ref_addressable): Remove.
1436         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1437
1438 2005-10-15  James E Wilson  <wilson@specifix.com>
1439
1440         PR target/24232
1441         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
1442         (add_dependence_list_and_free): Likewise.
1443         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1444         call.
1445
1446 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
1447
1448         PR 23141
1449         PR 23142
1450         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1451         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1452         anti-range.
1453         (vrp_visit_phi_node): Only prevent infinite iterations when
1454         the previous result and the new result are both VR_RANGEs.
1455
1456 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
1457
1458         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1459         function comment.
1460
1461 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1462
1463         PR c/23439
1464         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1465         to initialize loc.
1466
1467 2005-10-14  Per Bothner  <per@bothner.com>
1468
1469         PR preprocessor/21250
1470         * c-ppoutput.c (print_line): Print internal line 0 as 1.
1471
1472 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
1473
1474         PR c++/22551
1475         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1476         overflow flags.  Refactor some conditionals.
1477
1478 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1479
1480         PR tree-opt/21304
1481         * tree-dfa.c (add_referenced_var): Only look at decls which
1482         have TREE_CONSTANT or TREE_READONLY set instead of if
1483         !TREE_PUBLIC or !TREE_CONSTANT.
1484
1485 2005-10-13  James E Wilson  <wilson@specifix.com>
1486
1487         * doc/invoke.texi: For -x, add f95-cpp-input.
1488         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1489
1490 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
1491
1492         PR tree-optimization/24262
1493         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1494         in loop all the time.
1495
1496 2005-10-12  Richard Henderson  <rth@redhat.com>
1497
1498         PR c/24255
1499         * tree.h (DECL_TRANSPARENT_UNION): Remove.
1500         * function.c (assign_parm_find_data_types): Don't support it.
1501         * print-tree.c (print_node): Likewise.
1502         * c-common.c (handle_transparent_union_attribute): Likewise.
1503         Use build_duplicate_type.
1504         * tree-inline.c (remap_type_1): Split out of remap_type;
1505         properly remap aggregate fields.
1506         (build_duplicate_type): New.
1507         * doc/extend.texi (Variable Attributes): Remove documentation
1508         for transparent_union.
1509
1510 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1511
1512         PR target/24284
1513         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1514         (gen_stack_pointer_dec): Likewise.
1515
1516 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
1517
1518         PR middle-end/21275
1519         PR middle-end/21766
1520         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1521         target hook.
1522         (struct cxx): Add adjust_class_at_definition target hook.
1523         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1524         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1525         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
1526         hook_void_tree. Add to TARGET_CXX.
1527         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1528         dllimport_flag.
1529         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1530         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1531         instead of attribute. Check for dllexport override.  Warn if
1532         inconsistent dll linkage. Don't lose old dllimport if decl has
1533         had address referenced.   Tweak lookup of dllimport atribute.  
1534         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1535         for target specific rules.  Don't add dllimport attribute if
1536         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
1537         dllimport attribute. 
1538         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1539         * varasm.c (initializer_constant_valid_p): Replace
1540         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1541
1542         PR target/21801
1543         PR target/23589
1544         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
1545         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1546         (i[34567]86-*-mingw32*): Likewise.
1547
1548         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1549         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1550                         
1551         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1552         C++-specific code. Change return value to bool. 
1553         (i386_pe_dllimport_p): Likewise.
1554         (associated_type): Simplify and make language-independent
1555         (i386_pe_encode_section_info): Replace override of ambiguous
1556         dllimport symbol refs with a gcc_assert.
1557         (i386_pe_valid_dllimport_attribute_p): Define.
1558         * config/i386/winnt-cxx.c: New file. Define C++ versions of
1559         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1560         i386_pe_adjust_class_at_definition.
1561         * config/i386/winnt-stubs.c: New file. Define stub versions of
1562         lang-specific functions.
1563         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1564         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
1565         i386_pe_adjust_class_at_definition.
1566         (i386_pe_valid_dllimport_attribute_p): Declare. 
1567         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1568         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1569         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1570
1571         PR target/19704
1572         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1573         dllimport attribute with test of DECL_DLLIMPORT_P.
1574
1575 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
1576
1577         * combine.c (make_extraction): Correct offset computation.
1578
1579 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
1580
1581         * config/cris/t-linux (LIMITS_H_TEST): Define.
1582
1583 2005-10-12  Richard Henderson  <rth@redhat.com>
1584
1585         PR rtl-opt/23324
1586         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1587
1588 2005-10-12  Richard Guenther  <rguenther@suse.de>
1589
1590         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1591
1592 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
1593
1594         PR c++/19964
1595         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1596         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1597         type.
1598
1599 2005-10-12  Richard Guenther  <rguenther@suse.de>
1600
1601         PR c++/23799
1602         * varasm.c (output_constant): Correct typo from previous
1603         patch by DJ.
1604
1605 2005-10-11  Ian Lance Taylor  <ian@airs.com>
1606
1607         PR rtl-optimization/13931
1608         * combine.c: Revert patch of 2003-05-14, and:
1609         (try_combine): Only set elim_i1 and elim_i2 if the destination is
1610         completely killed in the appropriate insn.
1611         (distribute_notes): Don't skip multiple hard register test for
1612         elim_i1 and elim_i2.
1613
1614 2005-10-11  Richard Henderson  <rth@redhat.com>
1615
1616         PR c/24255
1617         * c-typeck.c (convert_for_assignment): Use build_constructor_single
1618         to initialize a transparent union instead of a nop_expr.
1619
1620 2005-10-11  Richard Henderson  <rth@redhat.com>
1621
1622         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1623         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1624         (tree_ssa_dce_loop): Call scev_reset.
1625
1626         PR tree-opt/24300
1627         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1628         * tree-ssa-dce.c: Include cfgloop.h.
1629         (tree_ssa_dce_loop, pass_dce_loop): New.
1630         * tree-pass.h (pass_dce_loop): Declare it.
1631         * passes.c (init_optimization_passes): Use it.
1632
1633 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
1634
1635         PR middle-end/24263 
1636         * convert.c (convert_to_real): Revert 2005-10-05 patch.
1637         Only apply the optimization for rounding builtins if the inner
1638         cast is also an extension.
1639
1640 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
1641
1642         PR tree-opt/23946
1643         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1644         mark_new_vars_to_rename instead of update_stmt.
1645
1646 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1647
1648         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1649
1650 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
1651
1652         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1653         for setting MMX register to 0 rather than mmx.
1654
1655 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
1656
1657         PR target/12098
1658         * configure.ac: Move gas check from mips specific case to common case.
1659         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1660         * configure: Regenerate
1661         * doc/install.texi: Update.
1662
1663 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1664
1665         PR target/24284
1666         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1667
1668 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
1669
1670         * gcc.c (do_spec_1): Accept numeric characters in file name
1671         suffixes.
1672
1673 2005-10-10  Nick Clifton  <nickc@redhat.com>
1674
1675         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
1676         describing the deleted arm_gen_rotated_half_load function.
1677
1678 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1679
1680         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1681         __fpscr_values.
1682
1683 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
1684
1685         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1686         gnu_ld assignments.
1687         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1688         (EXTRA_MULTILIB_PARTS): Define.
1689         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1690         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1691         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1692         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1693         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1694         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1695
1696 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
1697
1698         PR tree-optimization/24226
1699         * tree-cfg.c (remove_bb): Clean up unreachable loops.
1700         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1701         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1702         Export.
1703
1704 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1705
1706         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1707
1708 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1709
1710         PR target/24136
1711         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1712         Rewrite for no need for the early clobber.
1713
1714 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1715
1716         Merge from csl-arm-branch:
1717         2005-09-07  Paul Brook  <paul@codesourcery.com>
1718         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1719         space to string.
1720
1721         2005-04-30  Paul Brook  <paul@codesourcery.com>
1722         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1723         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1724
1725         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
1726         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1727         (arm_override_options): Use TARGET_AAPCS_BASED.
1728         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1729         (PTRDIFF_TYPE): Use int for AAPCS.
1730         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1731         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1732         (DEFAULT_SHORT_ENUMS): Delete.
1733         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1734
1735         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
1736         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1737         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1738         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1739
1740         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
1741         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1742
1743         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
1744         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1745  
1746         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
1747         * config.gcc (arm*-*-linux-gnueabi): Add it.
1748         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1749         redefining it.
1750         (TARGET_OS_CPP_BUILTINS): Likeiwse.
1751         * config/arm/linux-eabi.h: New file.
1752         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1753         (LINUX_TARET_LINK_SPEC): Likewise.
1754         (LINK_SPEC): Use it.
1755         * config/arm/t-linux-eabi: New file.
1756
1757 2005-10-08  Steven Bosscher  <stevenb@suse.de>
1758
1759         PR other/22202
1760         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1761         spaces.
1762         (PARAM_SMS_DFA_HISTORY): Likewise.
1763
1764 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1765
1766         PR middle-end/23150
1767         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1768         (load_register_parameters): Call it.
1769         (check_sibcall_argument_overlap_1): Likewise.
1770         (store_one_arg): Likewise.
1771
1772 2005-10-07  James E. Wilson  <wilson@specifix.com>
1773
1774         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1775         DImode not VECINT24 for operand 2.
1776
1777         PR target/23644
1778         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1779         -mtune-arch.
1780
1781         PR target/24193
1782         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1783         fr_spill): Use destination_operand for operand 0.
1784
1785 2005-10-07  DJ Delorie  <dj@redhat.com>
1786
1787         * varasm.c (output_constant): Limit error to expanding
1788         conversions.
1789
1790 2005-10-07  Richard Guenther  <rguenther@suse.de>
1791
1792         PR middle-end/24227
1793         * fold-const.c (fold_binary): Fix operand types during folding
1794         of X op (A, Y).  Evaluation order of the side-effects of
1795         X and A are frontend-defined, so ensure we honour that even for
1796         tcc_comparison class operands; eased by removing duplicate code.
1797
1798 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1799
1800         * stor-layout.c (layout_type): Do not allow alignment of array
1801         elements to be greater than their size.
1802
1803 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1804
1805         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1806         host_xmake_file.
1807         (hppa*-*-linux*): Ditto.
1808         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1809         * config/host-hpux.c: New.
1810         * config/x-hpux: New.
1811         * config/pa/x-hpux: Remove.
1812         * config/pa/x-linux: Remove.
1813         * config/pa/pa-host.c: Remove.
1814
1815 2005-10-07  Jeff Law  <law@redhat.com>
1816
1817         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1818         determine whether or not to try and thread outgoing edges.
1819
1820 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
1821
1822         * config/rs6000/rs6000.md (eqsi_power): New.
1823         (neg_eq0si): Add TARGET_POWER to final condition.
1824         (neg_eqsi): Same.
1825
1826 2005-10-06  Richard Henderson  <rth@redhat.com>
1827
1828         * config/rs6000/rs6000.c: Revert last change.
1829
1830 2005-10-06  Richard Henderson  <rth@redhat.com>
1831
1832         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1833         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1834
1835 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
1836
1837         PR middle-end/22216
1838         PR middle-end/23651
1839         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1840         out return_label and naked_return_label.
1841
1842 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1843         
1844         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1845         change.
1846
1847 2005-10-06  Richard Henderson  <rth@redhat.com>
1848
1849         PR tree-opt/22237
1850         * tree-inline.c (declare_return_variable): Handle modify_dest not
1851         being a DECL.
1852
1853 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1854         
1855         Fix PR tree-optimization/22488
1856         * tree-ssa-structalias.c (check_for_overlaps): New function.
1857         (create_variable_info_for): Use it.
1858
1859 2005-10-06  Richard Henderson  <rth@redhat.com>
1860
1861         PR debug/24070
1862         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1863         (dwarf2out_start_source_file): Print it.
1864
1865 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
1866
1867         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1868
1869 2005-10-06  Richard Henderson  <rth@redhat.com>
1870
1871         PR 23706
1872         * mode-switching.c (optimize_mode_switching): Clear transp bit
1873         for block with incomming abnormal edges.
1874
1875         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1876         (fpscr_set_from_mem): Use them.
1877         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1878         (fpscr postinc splitters): Rewrite as peephole2+split.
1879
1880 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
1881
1882         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1883         (eq<mode>_compare): Same.
1884
1885 2005-10-06  Richard Guenther  <rguenther@suse.de>
1886
1887         PR tree-optimization/24238
1888         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1889
1890 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
1891
1892         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1893         here.  Use AC_PATH_PROG for environment variables instead of
1894         test -x.
1895         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
1896         objdump also.
1897         * configure: Regenerated.
1898
1899 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
1900
1901         PR target/23783
1902         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1903         then force it into a register.
1904         (call_value): Likewise.
1905
1906 2005-10-06  Richard Henderson  <rth@redhat.com>
1907
1908         PR 24049
1909         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1910         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
1911         under pass_vectorize.
1912
1913 2005-10-05  Devang Patel  <dpatel@apple.com>
1914
1915         PR Debug/23205
1916         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1917         handling constants. Check NAMESPACE_DECL context for constants.
1918         
1919 2005-10-05  Eric Christopher  <echristo@apple.com>
1920
1921         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1922
1923 2005-10-05  Richard Henderson  <rth@redhat.com>
1924
1925         PR 23714
1926         * tree-cfg.c (mark_array_ref_addressable_1): New.
1927         (mark_array_ref_addressable): New.
1928         * tree-flow.h (mark_array_ref_addressable): Declare.
1929         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1930
1931 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
1932
1933         PR middle-end/20606
1934         PR middle-end/24069
1935         * reload.c (subst_reloads): When adding a REG_LABEL to a
1936         jump instruction, also update JUMP_LABEL.
1937
1938 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
1939
1940         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1941         * bb-reorder.c (copy_bb_p): Use it.
1942         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1943
1944 2005-10-05  Richard Henderson  <rth@redhat.com>
1945
1946         PR target/23602
1947         * toplev.c (process_options): Warn about unsupported combinations
1948         of unwind tables and omit-frame-pointer.
1949         * config/i386/i386.c (override_options): Similarly.  Enable
1950         accumulate-outgoing-args if not explicitly disabled.
1951
1952 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
1953
1954         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1955         Handle big endian vs. small endian.
1956         (vec_initv2sf): Handle big endian vs. small endian.
1957         (*vec_extractv2sf_1): Ditto.
1958
1959 2005-10-05  Dale Johannesen  <dalej@apple.com>
1960
1961         * convert.c (convert_to_real):  Don't convert
1962         (float)floor(double d) to floorf((float)d).
1963
1964 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
1965
1966         * config/arm/arm.md (insv): Use gen_int_mode in more places.
1967
1968 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
1969
1970         PR tree-optimization/18587
1971         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1972         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1973         build_vuses): Change to VEC type.
1974         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1975         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1976         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1977         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1978         (get_name_decl): New.  Return DECL_UID of base variable.
1979         (operand_build_cmp): New.  qsort comparison routine.
1980         (operand_build_sort_virtual): New.  Sort virtual build vector.
1981         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1982         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1983         (FINALIZE_BASE): Use get_name_decl.
1984         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1985         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1986         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1987         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1988         direct VEC_* manipulations.
1989         (build_ssa_operands): Call operand_build_sort_virtual.
1990         (copy_virtual_operand, create_ssa_artficial_load_stmt,
1991         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1992         with direct VEC_* manipulations.
1993         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1994         with direct VEC manipulations.
1995
1996 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
1997
1998         PR tree-optimization/21419
1999         PR tree-optimization/24146
2000         PR tree-optimization/24151
2001
2002         * c-typeck.c (readonly_error): Handle USE being lv_asm.
2003         (build_asm_expr): Call it if outputs are read-only.
2004         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2005
2006 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
2007             Paolo Bonzini  <bonzini@gnu.org>
2008
2009         PR target/23809
2010
2011         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2012         enable the instructions and not just the built-ins.
2013         * doc/invoke.texi (x86 Options): Likewise.
2014
2015 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
2016
2017         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2018
2019         * doc/invoke.texi (Option Summary): Correct spelling
2020         of -mmacosx-version-min.
2021
2022 2005-10-04  Devang Patel  <dpatel@apple.com>
2023
2024         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2025         real types.
2026
2027 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
2028
2029         * tree-vect-transform.c (vect_create_epilog_for_reduction):
2030         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2031
2032 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
2033
2034         * config/s390/s390.md ("TDSI","DP"): New mode macros.
2035         ("TE","tg"): New mode attributes.
2036         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2037         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2038         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2039         dword_mode and one for GPRmode.
2040
2041 2005-10-04  Ian Lance Taylor  <ian@airs.com>
2042
2043         PR preprocessor/13726
2044         * c-ppoutput.c (cb_include): Add comments parameter, and print out
2045         any comments passed in.
2046
2047 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
2048
2049         * tree.c (annotate_with_file_line): Fix typo.
2050
2051 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2052
2053         PR ada/19382
2054         * builtins.c (fold_builtin_memcmp): When constructing the pointer
2055         type used to access data in the inlined length == 1 case, use
2056         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2057         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2058
2059 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
2060
2061         * config/i386/i386.h (TARGET_FISTTP): Enable also for
2062         TARGET_SSE3 and only for TARGET_80387.
2063         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2064         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2065         Do not depend on TARGET_80387.
2066
2067 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
2068
2069         * tree.c (last_annotated_node): Change type to location_t*.
2070         (annotate_with_file_line): Reflect the change of
2071         last_annotated_node type.
2072
2073 2005-10-04  Richard Guenther  <rguenther@suse.de>
2074
2075         PR c/23576
2076         * c-decl.c (grokdeclarator): Don't write to fields
2077         of error_mark_node.
2078
2079 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
2080
2081         PR middle-end/23125
2082         * c-decl.c (finish_decl): Use set_user_assembler_name even for
2083         register variables.
2084         * varasm.c (make_decl_rtl): If a register variable does not
2085         have a set user assmbler name, error out.
2086         Decode the asmspec is now name+1 bypassing '*'.
2087
2088 2005-10-04  Steven Bosscher  <stevenb@suse.de>
2089
2090         PR tree-optimization/23049
2091         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2092         of a COND_EXPR is folded before calling fold on the whole rhs of a
2093         conditional assignment.
2094         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2095         document that a COND_EXPR may appear there.
2096
2097 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
2098
2099         PR 23445
2100         * tree-vrp.c (extract_range_from_assert): If the new numeric
2101         range created out of the assertion contradicts the existing
2102         numeric range of the ASSERT_EXPR variable, make the new range
2103         varying.
2104
2105 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2106
2107         * config/sh/sh.c (sh_register_move_cost): Add case for moving
2108         from T_REGS to FP register class.
2109
2110 2005-10-03  Richard Henderson  <rth@redhat.com>
2111
2112         PR 24135
2113         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2114         before creating a new one.
2115
2116 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
2117
2118         * config/rs6000/t-aix43 (LDFLAGS): New.
2119         * config/rs6000/t-aix52 (LDFLAGS): New.
2120
2121 2005-10-03  Ian Lance Taylor  <ian@airs.com>
2122
2123         * gimplify.c (find_single_pointer_decl_1): New static function.
2124         (find_single_pointer_decl): New static function.
2125         (internal_get_tmp_var): For a formal variable, set restrict base
2126         information if appropriate.
2127         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2128         return it.
2129         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2130         (DECL_GET_RESTRICT_BASE): Define.
2131         (SET_DECL_RESTRICT_BASE): Define.
2132         (decl_restrict_base_lookup): Declare.
2133         (decl_restrict_base_insert): Declare.
2134         (struct tree_decl_with_vis): Add based_on_restrict_p field.
2135         * tree.c (restrict_base_for_decl): New static variable.
2136         (init_ttree): Initialize restrict_base_for_decl.
2137         (copy_node_stat): Copy restrict base information.
2138         (decl_restrict_base_lookup): New function.
2139         (decl_restrict_base_insert): New function.
2140         (print_restrict_base_statistics): New static function.
2141         (dump_tree_statistics): Call print_restrict_base_statistics.
2142
2143 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
2144
2145         PR 24142
2146         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2147         case of anti-ranges.
2148
2149 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
2150
2151         PR c/18851
2152         * c-typeck.c (tagged_tu_seen): Rename to ...
2153         (tagged_tu_seen_cache): this and add val field.
2154         (comptypes): Move functional to comptypes_internal
2155         and free tagged_tu_seen.
2156         (comptypes_internal): New function and call comptypes_internal
2157         instead of comptypes. Speed up by sibcalling
2158         tagged_types_tu_compatible_p.
2159         (alloc_tagged_tu_seen): New function
2160         (free_all_tagged_tu_seen_up_to): New function.
2161         (tagged_types_tu_compatible_p): Return the val of the seen two
2162         types.
2163         Add that the two types are the same to tagged_tu_seen_base
2164         if they are and call comptypes_internal instead of comptypes.
2165         <case UNION_TYPE>: Speed up common type where the fields are
2166         in the same order.
2167         (function_types_compatible_p): Call comptypes_internal instead of
2168         comptypes.
2169         (type_lists_compatible_p): Likewise.
2170         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2171
2172 2005-10-02  Matthias Klose  <doko@debian.org>
2173
2174         * doc/invoke.texi: Fix typo and speling error.
2175
2176 2005-10-01  Richard Henderson  <rth@redhat.com>
2177
2178         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2179
2180 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
2181
2182         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2183         using --start-group and --end-group.
2184
2185 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2186
2187         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2188         FIXME note regarding quirky semantics.
2189
2190 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2191
2192         PR 24141
2193         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2194         non-null range as a last resort.
2195
2196 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
2197             Diego Novillo  <dnovillo@redhat.com>
2198
2199         PR 23604
2200         * tree-vrp.c (extract_range_from_assert): For !=
2201         assertions, only build an anti-range if LIMIT is a
2202         single-valued range.
2203
2204 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2205
2206         * arm.md (movqi): On thumb when optimizing, handle loading from
2207         memory by describing this as taking a subreg of a zero-extended load
2208         into an SImode register.
2209         (movhi): Likewise.
2210
2211 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
2212
2213         * reload1.c (merge_assigned_reloads): Do not change any
2214         RELOAD_FOR_OUTPUT_ADDRESS reloads.
2215
2216 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
2217
2218         * Makefile.in (LIPO_FOR_TARGET): Define.
2219         (STRIP_FOR_TARGET): Define.
2220
2221         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2222         before creating new ones.  Do symlinks before creating the actual
2223         targets.
2224
2225         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2226         to work out which multilibs are actually being built.
2227
2228 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
2229
2230         * tree-vect-transform.c, config/ms1/ms1.md,
2231         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2232         Follow spelling conventions.
2233         * doc/invoke.texi, doc/md.texi: Fix typos.
2234
2235 2005-09-30  Andrew Macleod  <amacleod@redat.com>
2236
2237         PR tree-optimization/21430
2238         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2239         use operands, and set stmt pointer if need be.
2240         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2241         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2242         present.
2243
2244 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2245
2246         PR middle-end/24053
2247         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2248
2249 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
2250
2251         * optabs.c (expand_binop): Initialize first_pass_p.
2252
2253 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
2254
2255         PR middle-end/24109
2256         * c-decl.c (c_write_global_declarations_1): If any
2257         wrapup_global_declaration_2 call returned true, restart the loop.
2258
2259 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
2260
2261         Fix PR tree-optimization/24117
2262         * tree-ssa-structalias.c (find_func_aliases): Strip nops
2263         before considering whether to use anyoffset.
2264
2265 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2266
2267         Revert this patch:
2268
2269         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2270
2271         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2272         to order operands.
2273         (swap_commutative_operands_with_target): New.
2274
2275 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2276
2277         PR c/21419
2278         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2279         read-only.
2280
2281 2005-09-29  Steven Bosscher  <stevenb@suse.de>
2282
2283         PR tree-optimization/23911
2284         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2285         and IMAGPART_EXPR too.
2286
2287 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
2288
2289         PR 17886
2290         * expmed.c (expand_shift): Move logic to reverse rotation
2291         direction when  rotating by constants ...
2292         * optabs.c (expand_binop): ... here.
2293         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2294         (ix86_rotrdi3): New pattern.
2295         (rotldi3): Handle 32-bit mode.
2296         (ix86_rotldi3): New pattern.
2297
2298 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
2299
2300         PR target/24102
2301         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2302         check for numbers that need no bit twiddle.
2303
2304 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
2305
2306         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2307         multilib to be built.
2308
2309         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2310         (stage1-start): Delete old libgcc and libunwind before moving
2311         anything into the stage directory.
2312         (stage2-start): Likewise.
2313         (stage3-start): Likewise.
2314         (stage4-start): Likewise.
2315         (stageprofile-start): Likewise.
2316         (stagefeedback-start): Likewise.
2317         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2318         header in tm_file and CPU-specific t-darwin in tmake_file.
2319         (i[34567]86-*-darwin*): Don't change tm_file.
2320         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2321         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2322         shared library stub for target OS version.
2323         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2324         (SHLIB_LINK): Don't make SHLIB_SOLINK.
2325         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2326         (libgcc_s.%.dylib): New.
2327         (LIBGCC): Define.
2328         (install-darwin-libgcc-stubs): New.
2329         (INSTALL_LIBGCC): New append.
2330         * config/i386/darwin-libgcc.10.4.ver: New.
2331         * config/i386/darwin-libgcc.10.5.ver: New.
2332         * config/i386/t-darwin: New.
2333         * config/rs6000/darwin-libgcc.10.4.ver: New.
2334         * config/rs6000/darwin-libgcc.10.5.ver: New.
2335         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2336         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2337
2338 2005-09-28  Paul Brook  <paul@codesourcery.com>
2339
2340         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2341         denormals.
2342
2343 2005-09-28  Richard Guenther  <rguenther@suse.de>
2344
2345         PR tree-optimization/23853
2346         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2347         host_integerp to verify misalignment value.
2348
2349 2005-09-28  Richard Henderson  <rth@redhat.com>
2350
2351         * builtins.c (get_builtin_sync_mode): New.
2352         (expand_builtin_sync_operation): Pass in mode argument.
2353         (expand_builtin_compare_and_swap): Likewise.
2354         (expand_builtin_lock_test_and_set): Likewise.
2355         (expand_builtin_lock_release): Likewise.
2356         (expand_builtin): Update to match.
2357
2358 2005-09-28  Nick Clifton  <nickc@redhat.com>
2359
2360         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2361         formatting.  Add check to PLUS case to ensure that the offset is
2362         within an acceptable range.
2363
2364         * config/v850/v850.md (casesi): Disable the generation of the
2365         switch pattern as it is not being handled properly at the moment.
2366
2367         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2368         for when the high words are identical.
2369
2370 2005-09-27  Richard Henderson  <rth@redhat.com>
2371
2372         * pretty-print.c (pp_base_format): Fix typo for %>.
2373
2374 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
2375             Devang Patel  <dpatel@apple.com>
2376
2377         PR tree-optimization/23625
2378         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2379         LABEL_EXPR, assertion check.
2380
2381 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
2382
2383         * optabs.c (no_conflict_move_test): Check if a result of a
2384         to-be-moved insn would be clobbered by an originally
2385         preceding insn.
2386
2387 2005-09-27  Jeff Law  <law@redhat.com>
2388
2389         * passes.c (init_optimization_passes): Replace copy propagation
2390         passes immediately after DOM with phi-only copy propagation
2391         pases.  Add phi-only copy propagation pass after first DOM pass.
2392         * tree-pass.h (pass_phi_only_copy_prop): Declare.
2393         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2394         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2395         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
2396         to init_copy_prop.  Callers updated.
2397         (do_phi_only_copy_prop): New function.
2398         (pass_phi_only_copy_prop): New pass descriptor.
2399
2400 2005-09-27  Nick Clifton  <nickc@redhat.com>
2401
2402         * libgcc2.c (__popcount_tab): Remove redundant prototype.
2403
2404 2005-09-26  Jason Merrill  <jason@redhat.com>
2405
2406         PR c++/13764
2407         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2408
2409         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2410
2411 2005-09-26  James E Wilson  <wilson@specifix.com>
2412
2413         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2414         copyright.  Add gcc copyright plus libgcc exception.
2415         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
2416         copyright.
2417         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2418
2419 2005-09-26  Jeff Law  <law@redhat.com>
2420
2421         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2422         about when to iterate.
2423
2424 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
2425
2426         PR target/23847
2427         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2428         for __complex__ double in -mcpu=G5 mode.
2429
2430 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
2431
2432         PR tree-optimization/23942
2433         * Makefile.in (SCEV_H): Depends on PARAMS_H.
2434         * tree-scalar-evolution.c: Include params.h.
2435         (t_bool): New enum.
2436         (follow_ssa_edge, follow_ssa_edge_in_rhs,
2437         follow_ssa_edge_in_condition_phi_branch,
2438         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2439         Change return type to t_bool.  Use a parameter to limit the size of
2440         trees that are walked before stopping
2441         (analyze_evolution_in_loop): Initialize the limit to 0.
2442         (follow_ssa_edge): Give up by returning t_dont_know if the limit
2443         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2444
2445 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2446
2447         PR middle-end/23831
2448         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2449         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2450
2451 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
2452
2453         * combine.c (make_extraction): Check for valid use of subreg.
2454
2455 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2456
2457         PR target/24055
2458         * config/i386/i386.md ("*fistdi2_1"): New pattern.
2459         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2460         ("fist<mode>2_with_temp"): Use only register operands.
2461
2462 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
2463
2464         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2465         CALL_INSN_FUNCTION_USAGE.
2466
2467 2005-09-26  Richard Guenther  <rguenther@suse.de>
2468
2469         PR middle-end/15855
2470         * gcse.c: Include hashtab.h, define ldst entry hashtable.
2471         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2472         (ldst_entry): Use the hashtable instead of list-walking.
2473         (find_rtx_in_ldst): Likewise.
2474         (free_ldst_entry): Free the hashtable.
2475         (compute_ld_motion_mems): Create the hashtable.
2476         (trim_ld_motion_mems): Remove entry from hashtable if
2477         removing it from list.
2478         (compute_store_table): Likewise^2.
2479         (store_motion): Free hashtable in case we did not see
2480         any stores.
2481
2482 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
2483
2484         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2485         and arg1 if we are passing them to fold_build2.
2486
2487 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
2488
2489         PR 23828
2490         * config/i386/i386.c (ix86_function_regparm): Fix the test for
2491         a nested function.
2492
2493 2005-09-25  Richard Henderson  <rth@redhat.com>
2494
2495         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2496         SYMBOL_REF_TLS_MODEL to be correct.
2497
2498 2005-09-24  Richard Henderson  <rth@redhat.com>
2499
2500         * ipa-type-escape.c (discover_unique_type): Remove dead code at
2501         end of function.  Reindent.
2502
2503 2005-09-24  Ian Lance Taylor  <ian@airs.com>
2504
2505         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2506         NEGATE_EXPR/BIT_NOT_EXPR case.
2507
2508 2005-09-24  Richard Henderson  <rth@redhat.com>
2509
2510         * c-common.c (handle_mode_attribute): When not modifying in place,
2511         create subtypes for enumerations.
2512         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2513         * gimplify.c (create_tmp_from_val): Likewise.
2514
2515 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
2516
2517         * config/i386/i386.md (*tls_global_dynamic_64,
2518         *tls_local_dynamic_base_64): Add missing mode to call.
2519         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2520
2521 2005-09-24  Jan Hubicka  <jh@suse.cz>
2522
2523         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2524         (cgraph_clone_node): Likewise.
2525         * cgraph.h (cgraph_clone_edge): Update prototype.
2526         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2527         duplicated prototypes; add updating argument.
2528         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2529         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2530         updating profile.
2531         (cgraph_mark_inline_edge): Likewise.
2532         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2533         (cgraph_flatten_node): Likewise.
2534         (cgraph_decide_recursive_inlining): Likewise.
2535         (cgraph_decide_inlining_of_small_function): Likewise.
2536         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2537
2538 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2539             Pete Steinmetz <steinmtz@us.ibm.com>
2540
2541         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2542         (rldic.): Set type to "compare".
2543         (rldicr.): Same.
2544         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
2545         mfjmpr for MFCTR/MFLR.
2546         (movdf_hardfloat64): Same.
2547         (movdf_softfloat64): Same.  Correct order of store and move types.
2548         (movti_string): Set type to store_ux/load_ux.
2549         (load_multiple): Set type to load_ux.
2550         (store_multiple): Set type to store_ux.
2551         (movmemsi): Set type to store_ux.
2552         (output_cbranch direct_return): Set type to jmpreg.
2553         (stmw): Set type to store_ux.
2554         (lmw): Set type to load_ux.
2555         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2556         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2557         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2558         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2559         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2560         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2561         (rios1-fpstore): Increase latency to 3.
2562         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2563         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2564
2565 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2566             Andrew Pinski  <pinskia@physics.uc.edu>
2567
2568         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2569         operand2 constraint to "b".
2570         (sync_<fetchop_name>di_internal): Same.
2571         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2572         to "b".
2573         (sync_old_<fetchop_name>di_internal): Same.
2574         (sync_new_<fetchop_name>si_internal): Same.
2575         (sync_new_<fetchop_name>di_internal): Same.
2576
2577 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2578
2579         PR middle-end/23991
2580         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2581         case, define as macros.
2582
2583         PR rtl-optimization/23837
2584         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
2585         clobber / clobber match between dest and p->first.
2586
2587         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2588         (no_conflict_move_test): Update comments.
2589
2590 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2591
2592         * doc/install.texi: Update URL for Jacks.
2593         * doc/sourcebuild.texi: Likewise.
2594
2595 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
2596
2597         PR target/24007
2598         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2599         registers when choosing register preferences.
2600         (movdf_hardfloat64): Same.
2601
2602 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2603
2604         * expmed.c (expand_shift): Don't use the target of the rotate as
2605         target for the first expanded shift insn.
2606         * testsuite/gcc.dg/20050922-1.c: Testcase added.
2607
2608 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
2609
2610         PR tree-optimization/22438
2611         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2612         preserved iv rhs rewriting specially.
2613
2614 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
2615
2616         * tree-data-ref.c (analyze_array_indexes): Only estimate when
2617         estimate_only  is true.
2618         * tree-flow.h (ref_contains_indirect_ref): New prototype.
2619         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2620         tree-ssa-structalias.c
2621         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2622         ref_contains_indirect_ref.
2623         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2624
2625 2005-09-21  DJ Delorie  <dj@redhat.com>
2626
2627         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2628         MASK_PTR_A0D0.
2629         (mn10300_return_in_memory): Support variable size types also.
2630         (mn10300_pass_by_reference): Likewise.
2631         (mn10300_function_value): New.
2632         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2633         (FUNCTION_OUTGOING_VALUE): Likewise.
2634         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2635         * doc/invoke.texi: Document it.
2636
2637 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
2638
2639         PR target/22585
2640         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2641         force integer op1 into register for XFmode compares.
2642
2643 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2644
2645         PR middle-end/23971
2646         * expmed.c (alg_code): Add alg_impossible.
2647         (alg_hash_entry): Add cost.
2648         (synth_mult): Record alg_impossible in the hash table if
2649         multiplication by a given integer is impossble within the
2650         limit.  Speed up using alg_impossible.
2651
2652 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2653
2654         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2655         argument.  Allow and set any offset if needs_anyoffset is passed
2656         in.
2657         (get_constraint_for): Add argument here too.
2658         Pass it down.
2659         (do_structure_copy): Pass NULL to get_constraint_for.
2660         (handle_ptr_arith): Ditto.
2661         (find_func_aliases): Ditto.
2662
2663 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
2664
2665         PR rtl-optimization/23898
2666         * output.h (get_attr_min_length): Declare.
2667         * final.c (get_attr_length_1): New function, broken out of:
2668         (get_attr_length).
2669         (get_attr_min_length): New function.
2670         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2671         (duplicate_computed_gotos): Likewise.
2672         * genattr.c (insn_min_length): Generate declaration.
2673         * genattrtab.c (min_fn, min_attr_value): New functions.
2674         (make_length_attrs): Generate insn_min_length.
2675
2676 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
2677
2678         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2679
2680 2005-09-20  Richard Henderson  <rth@redhat.com>
2681
2682         PR tree-optimization/24059
2683         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2684         EXPAND_STACK_PARM.
2685
2686 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
2687
2688         * c.opt (fextended-identifiers): New.
2689         * c-opts.c (c_common_handle_option): Handle
2690         -fextended-identifiers.
2691         * doc/cpp.texi: Update documentation of extended identifiers.
2692         * doc/cppopts.texi (-fextended-identifiers): Document.
2693
2694 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
2695
2696         PR tree-optimization/23929
2697         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2698         if expr is NULL.
2699
2700         PR tree-optimization/23818
2701         * tree-stdarg.c (execute_optimize_stdarg): Call
2702         calculate_dominance_info.
2703
2704 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2705
2706         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2707         (analyze_siv_subscript_cst_affine): Add weak SIV test.
2708         (compute_overlap_steps_for_affine_1_2): Use
2709         get_number_of_iters_for_loop.
2710         (analyze_subscript_affine_affine): Check whether difference is
2711         zero first.
2712         Use get_number_of_iters_for_loop.
2713         Check whether overlap occurs outside of bounds.
2714         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2715
2716 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2717
2718         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2719         base register if possible.
2720
2721 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
2722
2723         PR tree-optimization/18463
2724         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2725         converting it directly is not possible.
2726         (chrec_convert_aggressive): New function.
2727         * tree-chrec.h (chrec_convert_aggressive): Declare.
2728         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2729         Fold chrec conversions aggressively if asked to.
2730         (instantiate_parameters): Modified because of changes in
2731         instantiate_parameters_1.
2732
2733 2005-09-19  Richard Henderson  <rth@redhat.com>
2734
2735         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2736         (reduc_splus_v2df): New.
2737
2738 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
2739
2740         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2741         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
2742
2743 2005-09-19  Richard Henderson  <rth@redhat.com>
2744
2745         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2746         vcondu<SSEMODE12>.
2747
2748 2005-09-19  Richard Henderson  <rth@redhat.com>
2749
2750         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2751         (ia64_expand_dot_prod_v8qi): New.
2752         * config/ia64/ia64-protos.h: Update.
2753         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2754         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2755         sdot_prodv8qi, sdot_prodv4hi): New.
2756         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2757
2758 2005-09-19  Richard Henderson  <rth@redhat.com>
2759
2760         PR 23941
2761         * real.c (exact_real_truncate): Return false if the format cannot
2762         represent the number as a normal.
2763
2764         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2765         for a memory source.
2766
2767 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
2768
2769         * tree-ssa-operands.c (swap_tree_operands): Export.
2770         * tree.h (swap_tree_operands): Declare.
2771         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2772         Call swap_tree_operands.
2773
2774 2005-09-19  Richard Henderson  <rth@redhat.com>
2775
2776         * tree-flow.h (merge_alias_info): Declare.
2777         * tree-ssa-copy.c (merge_alias_info): Export.
2778         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2779         (vect_create_data_ref_ptr): Use create_iv directly.
2780         (vectorizable_load): Use correct types for integer constants.
2781         (vect_generate_tmps_on_preheader): Likewise.
2782         (vect_gen_niters_for_prolog_loop): Likewise.
2783
2784 2005-09-19  Steven Bosscher  <stevenb@suse.de>
2785
2786         PR rtl-optimization/23943
2787         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2788
2789 2005-09-18  Jan Hubicka  <jh@suse.cz>
2790
2791         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2792
2793 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
2794
2795         * varasm.c (output_constant): Do not abort on conversions to union
2796         types between different sizes.
2797
2798 2005-09-18  Richard Guenther  <rguenther@suse.de>
2799
2800         PR middle-end/23944
2801         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2802         fallback.
2803
2804 2005-09-18  Paul Brook  <paul@codesourcery.com>
2805
2806         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2807
2808 2005-09-17  Richard Henderson  <rth@redhat.com>
2809
2810         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2811         * tree-ssa-loop.c (pass_vect_dce): Remove.
2812         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2813         of pass_vectorize.
2814
2815 2005-09-17  Richard Henderson  <rth@redhat.com>
2816
2817         * tree-pass.h (pass_vect_dce): Declare.
2818         * passes.c (init_optimization_passes): Add it.
2819         * tree-flow.h (tree_ssa_dce): Declare.
2820         * tree-ssa-dce.c (tree_ssa_dce): Export.
2821         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2822         (gate_tree_vectorize): ... here.
2823         (pass_vect_dce): New.
2824
2825 2005-09-17  Jan Hubicka  <jh@suse.cz>
2826
2827         * except.c (struct eh_status): Turn region_array into vec.
2828         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2829         convert_from_eh_region_ranges, find_exception_handler_labels,
2830         current_function_has_exception_handlers, assign_filter_values,
2831         build_post_landing_pads, dw2_build_landing_pads,
2832         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2833         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2834         foreach_reachable_handler, can_throw_internal_1,
2835         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2836         region_array.
2837         (duplicate_eh_region_1): Update region_array.
2838         (duplicate_eh_regions): Resize region_array and avoid recomputing.
2839
2840 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
2841
2842         PR middle-end/22067
2843         * expmed.c (expand_mult): Substitute simple register for op0 when
2844         computing max_cost.
2845
2846 2005-09-17  Richard Henderson  <rth@redhat.com>
2847
2848         * expr.c (emit_move_via_integer): Add force argument, pass it on
2849         to emit_move_change_mode.  Update callers.
2850         (emit_move_complex): Pass true to new force argument.
2851         * function.c (expand_function_end): Move expand_eh_return call
2852         earlier.  Merge sub-word complex values into a pseudo before
2853         copying to the return hard register.
2854
2855 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
2856
2857         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2858         between different sizes.
2859
2860 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
2861
2862         PR 23903
2863
2864         * passes.c (init_optimization_passes): Register dump files for
2865         IPA passes first.
2866
2867 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2868
2869         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2870         * config/s390/s390.c (s390_overlap_p): New function.
2871         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2872         peephole2, "*xc" peephole2): Added overlap check to the peephole2
2873         condition.
2874
2875 2005-09-16  Richard Guenther  <rguenther@suse.de>
2876
2877         * ipa-pure-const.c (static_execute): Free auxiliar information.
2878         * ipa-type-escape.c (discover_unique_type): Free temporary key.
2879         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2880
2881 2005-09-15  DJ Delorie  <dj@redhat.com>
2882
2883         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2884
2885 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2886
2887         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2888         to order operands.
2889         (swap_commutative_operands_with_target): New.
2890
2891 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
2892
2893         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2894         parameter.
2895         Update callers.
2896         (estimate_iters_using_array): New function.
2897         * tree-data-ref.h (estimate_iters_using_array): Prototype
2898         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2899         Use estimate_iters_using_array instead of analyze_array.
2900
2901 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2902
2903         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2904         as addressable.
2905
2906 2005-09-15  Michael Matz  <matz@suse.de>
2907
2908         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2909
2910 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
2911
2912         PR tree-optimization/23835
2913         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2914         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2915
2916 2005-09-14  Richard Henderson  <rth@redhat.com>
2917
2918         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2919         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2920
2921 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
2922
2923         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2924         in the ARRAY_TYPE case.
2925
2926 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2927
2928         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2929
2930 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
2931
2932         PR middle-end/22480
2933         * tree-vect-transform.c (vectorizable_operation): Return false for
2934         scalar shift operations and for vector shift operations with
2935         non-invariant shift arguments.  Use scalar tree operand op1 as
2936         a shift operand when vector shift insn pattern uses scalar shift
2937         operand.
2938         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2939
2940 2005-09-14  Olivier Hainque  <hainque@adacore.com>
2941
2942         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2943         value if it has side-effects.
2944
2945 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
2946
2947         PR target/22068
2948         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2949
2950 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
2951
2952         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2953         passed as NAME as if it were label at start of function code.
2954
2955 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
2956
2957         * config/sh/sh.md (*movv4sf_i): Add general register cases to
2958         the constraints.
2959
2960 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2961
2962         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2963         as early clobber.  Rewrite so the PIC register is not implicitly used.
2964
2965 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2966
2967         * tree.c (annotate_with_file_line): Compare line numbers before
2968         file names.
2969
2970 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
2971
2972         PR target/23816
2973         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2974         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2975
2976 2005-09-13  Ian Lance Taylor  <ian@airs.com>
2977
2978         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2979         than a HOST_WIDEST_INT to gen_doloop_begin.
2980
2981 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
2982
2983         * tree-dfa.c (dump_variable): Guard against NULL annotations.
2984
2985 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
2986
2987         PR tree-optimize/23817
2988         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2989
2990 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
2991
2992         PR target/23774
2993         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2994         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
2995         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2996         (restore_stack_nonlocal): Likewise.
2997         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2998
2999 2005-09-12  Ian Lance Taylor  <ian@airs.com>
3000
3001         PR g++/7874
3002         * c.opt (ffriend-injection): New C++ option.
3003         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3004         (C++ Dialect Options): Document -ffriend-injection.
3005
3006 2005-09-12  Josh Conner  <jconner@apple.com>
3007
3008         PR middle-end/23237
3009         * ipa-reference.c (static_execute): Don't mark variables in
3010         named sections TREE_READONLY.
3011
3012 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
3013
3014         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3015         stack_tie.
3016
3017 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
3018
3019         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3020         V_MUST_DEF instead of just the first_use_p.
3021         Don't mark the virtual variables for renaming on the statement which
3022         is being removed.
3023         (pass_dse): Remove TODO_update_ssa.
3024
3025 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
3026
3027         PR middle-end/23290
3028         * stor-layout.c (compute_record_mode): For records with a single
3029         field, actually check the field's mode size against the type size.
3030
3031         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3032         registers for TARGET_SHMEDIA.
3033         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3034         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
3035         of GENERAL_REGS and FP_REGS.
3036
3037 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3038
3039         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3040
3041 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
3042
3043         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3044         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3045         are omitted.  Exclude stack_tie insn too.
3046
3047 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
3048
3049         PR rtl-optimization/23098
3050         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3051         0.0f is easy.
3052         * config/rs6000/rs6000.md (movdf splitter): Use
3053         const_double_operand predicate for TARGET_POWERPC64.
3054         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3055         SYMBOL_REF method to ABI_V4.
3056
3057         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3058         replace_equiv_address.
3059         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3060         rs6000_sr_alias_set and MEM_NOTRAP.
3061         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3062
3063 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
3064
3065         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3066         handle CALL_EXPR again.
3067
3068 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3069
3070         * arm/predicates.md (alignable_memory_operand): Delete.
3071
3072 2005-09-10  Richard Henderson  <rth@redhat.com>
3073
3074         PR debug/23806
3075         * dbxout.c (dbxout_expand_expr): New.
3076         (dbxout_symbol): Use it.
3077
3078 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
3079
3080         * arm.c (arm_gen_rotated_half_load): Delete.
3081         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3082         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3083         (thumb_set_return_address): Likewise.
3084         (thumb_load_double_from_address): Use adjust_address.
3085         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3086         (extendhsisi2_mem, movhi_bytes): Use change_address.
3087         (movhi): Use widen_memory_access.
3088         (reload_out_df): Use replace_equiv_address.
3089         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3090
3091 2005-09-09  Richard Henderson  <rth@redhat.com>
3092
3093         PR debug/20998
3094         * dbxout.c: Include expr.h.
3095         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3096         (dbxout_symbol): Handle DECL_VALUE_EXPR.
3097         * Makefile.in (dbxout.o): Add EXPR_H.
3098
3099 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
3100
3101         PR tree-optimization/23509
3102         * tree-cfg.c (replace_uses_by): Use replace_exp.
3103         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3104         pointers have name_mem_tag or type_mem_tag set.
3105
3106 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
3107
3108         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3109         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3110         of wrongly accessing operands.
3111
3112 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
3113
3114         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3115         * tree-chrec.c: Include tree-scalar-evolution.h.
3116         (chrec_convert): Instantiate the base and step before calling
3117         scev_probably_wraps_p that would fail on parametric evolutions.
3118         Collect all the fails into a single section failed_to_convert,
3119         print a diagnostic, and return chrec_dont_know instead of calling
3120         fold_convert.
3121         * tree-scalar-evolution.c (loop_closed_phi_def): New.
3122         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3123         phi nodes.
3124         (scev_const_prop): Don't replace the definition of a loop closed ssa
3125         phi node by itself, or by another loop closed ssa phi node.
3126         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3127         that base and step are defined.
3128
3129 2005-09-09  Richard Guenther  <rguenther@suse.de>
3130
3131         PR c++/23624
3132         * fold-const.c (fold_ternary): Check truth_value_p before
3133         calling invert_truthvalue.
3134
3135 2005-09-09  Nick Clifton  <nickc@redhat.com>
3136
3137         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3138         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3139         dimension of these arrays.
3140         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3141         these arrays.
3142         * longlong.h: Only provide a prototype for the __clz_tab[] array
3143         if this header has not been included from libgcc2.h.
3144         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3145         defining own types.
3146         Provide prototypes for exported functions.
3147         Use the __clz_tab[] and __popcount_tab[] arrays provided by
3148         libgcc2.c.
3149
3150 2005-09-08  Josh Conner  <jconner@apple.com>
3151
3152         PR c++/21135
3153         PR c++/23180
3154         * expr.c (expand_expr_addr_expr_1): Don't invoke
3155         expand_simple_binop for EXPAND_INITIALIZER.
3156
3157 2005-09-08  Richard Henderson  <rth@redhat.com>
3158
3159         PR debug/23190
3160         * toplev.c (wrapup_global_declaration_1): Split out ...
3161         (wrapup_global_declaration_2): ... from ...
3162         (wrapup_global_declarations): ... here.  Return bool.
3163         (check_global_declaration_1): Split out ...
3164         (check_global_declarations): from here.
3165         (emit_debug_global_declarations): New.
3166         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3167         check_global_declaration_1, emit_debug_global_declarations): Declare.
3168         * c-decl.c (c_write_global_declarations_1): Don't create a vector
3169         of decls.  Call wrapup_global_declaration_1,
3170         wrapup_global_declaration_2, check_global_declaration_1 directly.
3171         (c_write_global_declarations_2): New.
3172         (ext_block): New.
3173         (c_write_global_declarations): Call c_write_global_declarations_2.
3174         * langhooks.c (write_global_declarations): Call
3175         emit_debug_global_declarations.
3176
3177         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3178         remove decls that have DECL_RTL_SET_P.
3179         * passes.c (rest_of_decl_compilation): Invoke
3180         cgraph_varpool_finalize_decl for all but functions.
3181
3182 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3183
3184         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3185         the result of a conversion if the new min and max cannot be compared.
3186
3187 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
3188
3189         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3190         (override_options): Setting s390_sr_alias_set removed.
3191         (save_fpr, save_gprs): Set alias set to vararg or frame.
3192         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3193         s390_sr_alias_set with get_frame_alias_set ().
3194         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3195         get_varargs_alias_set ().
3196
3197 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3198
3199         PR objc/20574
3200         PR objc/19324
3201         * c-parser.c (c_parser_objc_method_definition): If the next
3202         token is not "{", error out and don't start the function.
3203
3204 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3205
3206         * tree-vrp.c (extract_range_from_expr): Move the check for non
3207         nullness after the check for gimple invariant.
3208
3209 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3210
3211         * tree.c (host_integerp, tree_low_cst): Correct function comment.
3212
3213 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3214
3215         PR target/23747
3216         * config/m32r.md (movmemsi_internal): Canonicalize order of
3217         operands in PLUS component of template.
3218
3219 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3220
3221         * reload1.c (fixup_eh_region_note): Remove assertion.
3222         (fixup_abnormal_edges): Reverted removal of call to
3223         find_many_sub_basic_blocks made on 2005-08-31.
3224
3225 2005-09-07  Richard Henderson  <rth@redhat.com>
3226
3227         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3228         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3229         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3230         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3231         rearrange for better packing.
3232         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3233         (lookup_cfa_1): Remove inline marker.
3234         (cfa_equal_p): Split out of ...
3235         (def_cfa_1): ... here.  Use INVALID_REGNUM.
3236         (build_cfa_loc): Handle !cfa->indirect.
3237         (frame_pointer_cfa_offset): New.
3238         (dbx_reg_number): Assert register elimination performed; do
3239         leaf register remapping.
3240         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3241         (eliminate_reg_to_offset): New.
3242         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
3243         for verifiably local stack frame addresses; re-base to CFA.
3244         (mem_loc_descriptor): Remove can_use_fbreg argument.
3245         (concat_loc_descriptor, loc_descriptor): Likewise.
3246         (containing_function_has_frame_base): Remove.
3247         (rtl_for_decl_location): Don't do register elimination or
3248         leaf register remapping here.
3249         (secname_for_decl): Split out from ..
3250         (add_location_or_const_value_attribute): ... here.
3251         (convert_cfa_to_loc_list): New.
3252         (compute_frame_pointer_to_cfa_displacement): New.
3253         (gen_subprogram_die): Use them.
3254         * tree.h (frame_base_decl): Remove.
3255         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3256         (prologue_stack_adjust): Remove.
3257         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3258         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3259         (set_frame_base_location): Remove.
3260         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3261         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3262         (vt_add_function_parameters): Don't eliminate_regs.
3263         (vt_initialize): Don't create frame_base_decl.
3264
3265 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3266
3267         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3268         version of GNU binutils for 4.x and later.
3269
3270 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
3271
3272         * ggc-page.c (ggc_push_context): Remove.
3273         (ggc_pop_context): Likewise.
3274         * ggc.h (ggc_push_context): Remove.
3275         (ggc_pop_context): Likewise.
3276
3277 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3278
3279         PR target/8973
3280         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3281         returning from an interrupt handler.
3282
3283 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3284
3285         PR target/8972
3286         * config/arc/arc.c (output_shift): Add check for loop count when
3287         optimizing.
3288
3289 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3290
3291         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3292         form manually.
3293         (abs_replacement): Likewise.
3294         (pass_phiopt): Remove TODO_update_ssa.
3295
3296 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3297
3298         PR c/23075
3299         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3300         if "return with no value, in function returning non-void" warning
3301         has been issued.
3302         * tree-cfg.c (execute_warn_function_return): Don't look at
3303         RETURN_EXPRs with TREE_NO_WARNING set.
3304
3305         PR target/22362
3306         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3307         for internal functions doesn't use registers used by global registers
3308         variables.  Use fewer register parameters if there are global register
3309         variables.
3310
3311 2005-09-06  Olivier Hainque  <hainque@adacore.com>
3312             Eric Botcazou  <ebotcazou@adacore.com>
3313
3314         PR middle-end/14997
3315         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3316         when we would be extracting outside its bit span (bitpos+bitsize
3317         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3318         Ada unchecked conversions.
3319
3320 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3321
3322         * tree-ssa-pre.c (try_look_through_load): New function.
3323         (compute_avail): Use it to try to look through loads for some
3324         more useful expressions.
3325
3326 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3327
3328         * simplify-rtx.c (simplify_binary_operation_1): Correct the
3329         condition for detecting cases like (a&a) and (a^a).
3330
3331 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
3332
3333         * common.opt: Add option ftree-vect-loop-version.
3334         * params.def: Add --param vect-max-version-checks.
3335         * doc/invoke.texi: Document ftree-vect-loop-version and
3336         --param vect-max-version-checks.
3337         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3338         may_misalign_stmts and defines for accessors.
3339         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3340         LOOP_VINFO_MAY_MISALIGN_STMTS.
3341         (destroy_loop_vec_info): VEC_free for
3342         LOOP_VINFO_MAY_MISALIGN_STMTS.
3343         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3344         Update documentation.
3345         (vect_update_misalignment_for_peel): New.
3346         (vect_enhance_data_refs_alignment): Update to choose loop
3347         peeling or loop versioning if appropriate for the (potentially)
3348         unaligned data references in the loop.
3349         (vect_analyze_data_refs_alignment): Remove call to
3350         vect_enhance_data_refs_alignment so the checks can be done
3351         earlier.
3352         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3353         and move up call to vect_analyze_data_refs_alignment.
3354         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3355         (vect_transform_loop): Add call to loop_version.
3356
3357 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3358
3359         PR rtl-optimization/23098
3360         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3361         * simplify-rtx.c (constant_pool_reference_p): New function.
3362         * rtl.h (constant_pool_reference_p): New prototype.
3363         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3364         constant_pool_reference_p in condition and
3365         avoid_constant_pool_reference in preparation statements.
3366
3367 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3368
3369         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3370         STRICT_LOW_PART SETs.
3371
3372 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
3373
3374         PR middle-end/21460
3375         * except.c (sjlj_emit_function_enter): Find the function begin
3376         note even when it's not in first basic block.
3377
3378 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
3379
3380         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
3381         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3382         * aclocal.m4: Regenerate.
3383
3384 2005-09-05  DJ Delorie  <dj@redhat.com>
3385
3386         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3387         of macro.
3388
3389 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
3390
3391         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3392         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3393         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3394         Follow spelling conventions.
3395         * doc/invoke.texi: Follow spelling conventions.
3396
3397 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3398
3399         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3400         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3401         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3402
3403 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3404
3405         PR target/23683
3406         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3407         (output_stack_adjust): Use gen_tmp_stack_mem.
3408         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3409         (sh_set_return_address, sh_allocate_initial_value): Likewise.
3410         (sh_get_pr_initial_val): Likewise.
3411         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3412         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
3413         * sh.md (divsi_inv_m0): Use gen_const_mem.
3414         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3415         (movdf_i4+1): Use gen_tmp_stack_mem.
3416         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3417         (fpu_switch+2): Likewise.
3418         (movv4sf_i, movv16sf_i): Use adjust_address.
3419         (symGOT_load): Set MEM_NOTRAP_P bit.
3420
3421 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3422
3423         PR target/23721
3424         * pa.c (emit_move_sequence): Fix typo in last change.
3425
3426 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
3427
3428         PR rtl-optimization/23454
3429         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3430         is true.
3431
3432 2005-09-03  Richard Henderson  <rth@redhat.com>
3433             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3434
3435         PR middle-end/23671
3436         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3437         gen_rtx_MEM.
3438
3439 2005-09-02  Nicolas Pitre <nico@cam.org>
3440
3441         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3442         to bit_count to 32 bits.
3443
3444 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
3445
3446         PR c++/23167
3447         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3448         generating synthetic loads from volatile lvalues.
3449
3450 005-09-02  Nick Clifton  <nickc@redhat.com>
3451
3452         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3453         __ctzhi2, __clzhi2): New functions.
3454
3455 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
3456
3457         PR middle-end/23547
3458         * tree-nested.c (struct var_map_elt): Mark with GTY.
3459         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
3460         var_map_elt.
3461         (lookup_field_for_decl): Allocate new element in GC memory.
3462         (lookup_tramp_for_decl): Likewise.
3463         (convert_nl_goto_reference): Likewise
3464         (create_nesting_tree): Allocate info in GC memory. Likewise for
3465         info->var_map.
3466         (free_nesting_tree): Free with ggc_free instead of free.
3467         (root): New static variable.
3468         (lower_nested_functions): Remove root as local variable.  And zero out
3469         root at the end of the function.
3470
3471 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
3472
3473         PR rtl-optimization/20365
3474         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3475         to short.  New member ix.
3476         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3477         (simplify_plus_minus): Initialize ix members before calling qsort.
3478
3479 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
3480
3481         PR tree-optimization/23626
3482         * tree-cfg.c (replace_uses_by): Clean up eh info.
3483
3484 2005-09-01  DJ Delorie  <dj@redhat.com>
3485
3486         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3487         fprintf.
3488
3489 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
3490
3491         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3492         (rs6000_split_multireg_move): Use replace_equiv_address instead of
3493         gen_rtx_MEM.
3494
3495 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
3496
3497         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
3498         do not issue warning for a variable definition following
3499         a declaration.
3500
3501 2005-09-01  Richard Henderson  <rth@redhat.com>
3502
3503         PR 23668
3504         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3505         conversion to CONST_VECTOR.
3506
3507 2005-09-01  Richard Henderson  <rth@redhat.com>
3508
3509         PR 23676
3510         * reload1.c (reload_as_needed): Check !CALL_P before calling
3511         fixup_eh_region_note.
3512         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3513
3514 2005-09-01  DJ Delorie  <dj@redhat.com>
3515
3516         * varasm.c (output_constant): Let the target resolve
3517         conversions of addresses to non-default pointer sizes.
3518
3519 2005-09-01  Nicolas Pitre <nico@cam.org>
3520
3521         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3522         to alow matching ARM pre-indexed addressing mode.
3523         (arm_override_options): Remove now irrelevant comment.
3524
3525 2005-09-01  Phil Edwards  <phil@codesourcery.com>
3526
3527         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
3528         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
3529         * config/i386/vxworks.h:  Likewise.
3530         * config/i386/t-vxworksae:  New file, for VxWorks AE.
3531         * config/i386/vxworksae.h:  Likewise.
3532
3533 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
3534
3535         PR tree-optimization/23410
3536         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3537         sequence is not wrapping during the first step.
3538
3539 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3540
3541         PR debug/7241
3542         * dwarf2out.c (base_type_die): Compare char_type_node with
3543         TYPE_MAIN_VARIANT (type), not type.
3544
3545 2005-09-01  Richard Guenther  <rguenther@suse.de>
3546
3547         PR tree-optimization/15366
3548         * common.opt: Add -finline-functions-called-once.
3549         Put -fearly-inlining in alphabetically ordered place.
3550         * doc/invoke.texi: Document new option.
3551         * ipa-inline.c (cgraph_decide_inlining): Honour
3552         flag_inline_functions_called_once.
3553
3554 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3555
3556         PR rtl-optimization/23478
3557         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3558         (alloc_qty): Initialize it.
3559         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3560         (combine_regs): Combine also n_throwing_calls_crossed fields.
3561         (find_free_reg): Don't attempt to caller-save pseudos crossing
3562         calls that might throw.
3563         * global.c (struct allocno): Add throwing_calls_crossed field.
3564         (global_alloc): Revert 2005-08-22 change.  Initialize
3565         throwing_calls_crossed.
3566         (find_reg): Don't attempt to caller-save pseudos crossing calls that
3567         might throw.
3568
3569 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
3570
3571         PR target/23649
3572         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3573         (mask64_operand): Reinstate code prior to 2005-06-11 change.
3574         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3575         (and64_2_operand): Tweak to use predicate.
3576         (and_operand): Adjust for mask_operand changes.
3577         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3578         (print_operand): Likewise.
3579         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3580         (mask64_1or2_operand): Delete.
3581         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3582         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3583         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3584         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3585         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3586         (rotldi3_internal4): Likewise.
3587         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3588         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3589         (ashldi3_internal7): Likewise.
3590         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3591         (ashldi3_internal, ashldi3_internal9 split): Likewise.
3592         (anddi3 split): Don't match mask64_operand.
3593         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
3594         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
3595         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
3596         't' splitter predicate.
3597         (movdi_internal64 + 2): Revert 2005-06-11 change.
3598
3599 2005-08-31  DJ Delorie  <dj@redhat.com>
3600
3601         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3602         (m32c_asm_integer): Add support for 32 bit pointers.
3603
3604 2005-08-31  Richard Henderson  <rth@redhat.com>
3605
3606         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3607         component-like references for setting MEM_NOTRAP_P.
3608
3609         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3610         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3611
3612 2005-08-31  Richard Henderson  <rth@redhat.com>
3613
3614         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3615         into a pseudo before applying gen_lowpart.
3616
3617 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
3618
3619         * doc/install.texi (Specific): Update cctools version required
3620         for full functionality.
3621         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3622         linkers as -macosx_version_min.
3623
3624 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
3625
3626         PR target/21255
3627         * sh.c (print_operand, %R and %S): Add handling of floating point
3628         registers, memory, constants and invalid operands.
3629
3630 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
3631
3632         * ipa-pure-const.c: Change dump name.
3633
3634 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3635
3636         PR target/23570
3637         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3638         to "reg_or_0_operand".
3639         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3640
3641 2005-08-31  Dale Johannesen  <dalej@apple.com>
3642
3643         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
3644         loops that count down.
3645
3646 2005-08-31  Richard Henderson  <rth@redhat.com>
3647
3648         PR rtl-opt/23601
3649         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3650         (fixup_eh_region_note): New.
3651         (reload_as_needed): Call it.
3652         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3653         don't call find_many_sub_basic_blocks; call verify_flow_info.
3654         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3655         (keep_stack_depressed): Likewise.
3656         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3657
3658 2005-08-31  Richard Henderson  <rth@redhat.com>
3659
3660         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3661         fp return matching.
3662
3663 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
3664
3665         * expr.c (expand_expr_real_1): Compare size of address
3666         mode to target's address mode size in deciding expansion of
3667         the constant address.
3668
3669 2005-08-31  Richard Guenther  <rguenther@suse.de>
3670
3671         PR middle-end/23477
3672         * expr.c (all_zeros_p): New function.
3673         (expand_expr_real_1): Handle the case of an all-zero
3674         non-addressable constructor separately.
3675
3676 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
3677
3678         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3679         arguments, adjust all callers.
3680         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3681
3682 2005-08-30  Richard Henderson  <rth@redhat.com>
3683
3684         PR target/23630
3685         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3686         whenever the mode sizes match.
3687
3688 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
3689
3690         * calls.c (load_register_parameters): Fix comment typo.
3691         * expr.c (emit_push_insn): Comment formatting.
3692
3693 2005-08-30  Ian Lance Taylor  <ian@airs.com>
3694
3695         * config/i386/x-cygwin (host-cygwin): Change dependency from
3696         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3697
3698 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
3699
3700         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3701         parts of 'vals'.
3702
3703 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3704
3705         PR middle-end/23408
3706         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3707         call to ggc_collect.
3708
3709 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
3710
3711         PR bootstrap/21268
3712         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3713         beginning.  Remove $(INCLUDES) from all the rules, if following
3714         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3715
3716 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR middle-end/23484
3719         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3720         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3721         not constant, but maxlen is, don't set len to maxlen, rather
3722         set maxlen to len if len is a constant.
3723
3724 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
3725
3726         PR tree-optimization/23475
3727         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3728         and counts.
3729
3730 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
3731
3732         Fix PR middle-end/22455
3733
3734         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3735         Checksum only the parts of the tree that exist for the tree code.
3736
3737 2005-08-28  Dale Johannesen  <dalej@apple.com>
3738
3739         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
3740
3741 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
3742
3743         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3744
3745 2005-08-28  Richard Henderson  <rth@redhat.com>
3746
3747         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3748         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3749         of char_type_node.
3750
3751 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
3752
3753         PR ada/23593
3754         * builtins.c (get_memory_rtx): Don't strip nops
3755         in between COMPONENT_REFs.
3756
3757 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
3758
3759         PR middle-end/23463
3760         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3761         types.
3762         (gimplify_modify_expr): Check for zero sized types and gimplify the
3763         rhs and lhs as statements.
3764
3765 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
3766
3767         PR libgcj/23508
3768         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3769         state for return address column of signal frames.
3770
3771 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
3772
3773         PR target/23539
3774         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3775         bytes >= 2 not bytes == 2.
3776         (expand_block_move): Same.
3777
3778 2005-08-27  Richard Guenther  <rguenther@suse.de>
3779
3780         PR target/23575
3781         * config/i386/sse.md (sse2_movsd): Add missing closing
3782         braces.
3783
3784 2005-08-27  Paul Brook  <paul@codesourcery.com>
3785
3786         * genrecog.c (enum decision_type): Add DT_num_insns.
3787         (struct decision_test): Add u.num_insns.
3788         (add_to_sequence): Add DT_num_insns test.
3789         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3790         (write_cond, debug_decision_2): Ditto.
3791         (change_state): Assume peep2_next_insn never fails.
3792         Remove "afterward" argument.
3793         (write afterward, write_tree): Update to match.
3794         * recog.c (peep2_current_count): New variable.
3795         (peep2_next_insn): Check it.
3796         (peephole2_optimize): Set peep2_current_count.
3797         * recog.h (peep2_current_count): Declare.
3798
3799 2005-08-26  Josh Conner  <jconner@apple.com>
3800
3801         PR middle-end/23584
3802         * ipa-pure-const.c (check_tree): Check for volatile-ness
3803         when considering a dereference.
3804
3805 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
3806
3807         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3808
3809 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3810
3811         PR rtl-optimization/23561
3812         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
3813         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3814         at most LEN bytes long memory fits into the field.
3815         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3816         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3817         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3818
3819 2005-08-26  Richard Henderson  <rth@redhat.com>
3820
3821         PR rtl-opt/23560
3822         * loop.c (biased_biv_may_wrap_p): New.
3823         (maybe_eliminate_biv_1): Use it to suppress non-equality
3824         comparison transformations.  Delete disabled code.
3825
3826 2005-08-26  Ian Lance Taylor  <ian@airs.com>
3827
3828         * combine.c (make_extraction): Avoid reference outside object.
3829
3830 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
3831
3832         * stor-layout.c (finalize_type_size): Restore behaviour for
3833         non-aggregate types to the status quo ante of the patch for
3834         pr 23467.  Document why it matters.
3835
3836 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3837
3838         PR c/23506
3839         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3840         array by one element, initialize the BT_LAST element with NULL.
3841
3842 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
3843
3844         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3845         optimizing for size.
3846         (plus_eqsi): Same.
3847         (compare_plus_eqsi): Same.
3848         (plus_eqsi_compare): Same.
3849         (neg_eq0<mode>): Same.
3850         (neg_eq<mode>): Same.
3851
3852         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3853         PROCESSOR_POWER4.
3854
3855 2005-08-26  Nick Clifton  <nickc@redhat.com>
3856
3857         * config/v850/v850.c (ep_memory_operand): Return FALSE if
3858         TARGET_EP is not defined.
3859         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3860         TARGET_EP is enabled.
3861         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3862         * config/v850/v850.md (save_all_interrupt): Only use the EP
3863         register if TARGET_EP is defined.
3864         (restore_all_interrupt): Likewise.
3865         * config/v850/lib1funcs.asm: Update functions so that the EP
3866         register is only used if __EP__ is defined.
3867
3868 2005-08-26  David Ung  <davidu@mips.com>
3869
3870         * config/mips/mips.c (mips_expand_prologue): Handle case when
3871         generating for MIPS16 and the outgoing argument area is more than
3872         SMALL_OPERAND. Use the frame pointer as temporary to generate the
3873         add instruction.
3874
3875 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
3876
3877         * config/crx/crx.md: Make doloop_end pattern usage controllable
3878         via mloop-nesting=<max-nesting> command line switch. Make sure
3879         the combiner cannot use doloop_end_<mode> in an illegal way.
3880         * config/crx/crx.c: Use regs up to r6 for argument passing.
3881         Refine crx_address_cost (non cst4 displacements are expensive).
3882         * config/crx/crx.opt: Add switch for mloop-nesting=.
3883
3884 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
3885
3886         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3887         (UNSPEC_MVST): New constant.
3888
3889 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
3890
3891         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3892         Reject operands containing eliminable registers.
3893         * testsuite/gcc.dg/20050825-1.c: New testcase.
3894
3895 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3896             Jan Hubicka  <jh@suse.cz>
3897
3898         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3899
3900 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3901
3902         PR tree-optimization/23546
3903         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3904         and REAL_CST nodes.
3905
3906 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
3907
3908         * params.def (PARAM_MIN_SPEC_PROB): New.
3909         * sched-rgn.c (MIN_PROBABILITY): Delete.
3910         (compute_trg_info): Convert to PARAM_VALUE.
3911         * doc/invoke.texi (param): Document min-spec-prob.
3912
3913 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
3914
3915         * config/darwin.h: define __PIC__
3916         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3917         TARGET_OS_CPP_BUILTINS macro.
3918
3919 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3920
3921         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3922         yesterday.
3923
3924 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3925
3926         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3927         to duplicate_block.
3928         * cfghooks.c (duplicate_block): Added position where to place
3929         new block as argument.
3930         * cfghooks.h (duplicate_block): Declaration changed.
3931         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
3932         duplicate_block.
3933         * cfglayout.h (copy_bbs): Declaration changed.
3934         * cfgloop.h (loop_version): Declaration changed.
3935         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3936         position to copy_bbs.
3937         (loop_version): Pass position to duplicate_loop_to_header_edge.
3938         Add place_after argument and position new blocks according to
3939         it.
3940         * modulo-sched.c (sms_schedule): Pass place_after argument
3941         to loop_version.
3942         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3943         * tree-cfg.c (split_edge_bb_loc): New function.
3944         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3945         to determine position of new blocks.
3946         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3947         to loop_version.
3948         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3949         argument to duplicate_block.
3950         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3951         Pass position to copy_bbs.
3952
3953 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3954
3955         * fold-const.c (ptr_difference_const): Use
3956         cst_and_fits_in_hwi instead of host_integerp.
3957
3958 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3959
3960         * config/darwin.c (gen_pic_offset): New.
3961         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
3962         Use it.
3963
3964 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
3965
3966         PR tree-optimization/23486
3967         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3968
3969 2005-08-23  Phil Edwards  <phil@codesourcery.com>
3970
3971         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
3972         remove use_collect2.
3973         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
3974
3975         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
3976         configuration files to override the default value.
3977
3978         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
3979         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3980         * config/vx-common.h:  New file, split out from...
3981         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
3982         * config/vxworksae.h:  New file, for VxWorks AE.
3983         * config/vxworks.opt:  New file.
3984         * config/vxlib.c:  Update for VxWorks 6.
3985
3986         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
3987         other MULTILIB_* variables appropriately.
3988         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
3989         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
3990         * config/rs6000/vxworks.h:  Update for VxWorks 6.
3991         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
3992
3993 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
3994
3995         PR target/20799
3996         * config/darwin.c (machopic_select_section): Remove the hack to
3997         mark "::operator new" and "::operator delete" for coalescing
3998         even though they are not weak.
3999
4000 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
4001
4002         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4003         * configure: Regenerate.
4004
4005 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4006
4007         PR middle-end/23517
4008         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4009         between vectors.
4010         * convert.c (convert_to_integer, convert_to_vector): Likewise.
4011         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4012         Likewise.
4013
4014 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4015
4016         * config/rs6000/predicates.md (equality_operator): New.
4017         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4018         comparison with a large constant.
4019
4020 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
4021
4022         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4023
4024 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
4025
4026         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4027         registers is even, and we have a hardware double precision fp,
4028         align the buffer.
4029         (sh_gimplify_va_arg_expr): For floating point arguments, consider
4030         size of current argument when checking if argument was passed in
4031         registers.
4032
4033         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4034
4035         PR middle-end/23467
4036         * stor-layout.c (finalize_type_size): Dont override
4037         existing alignment with a smaller alignment from the mode.
4038
4039 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
4040
4041         * lambda-code.c (lambda_vector_lexico_pos): Moved...
4042         * lambda.h (lambda_vector_lexico_pos): ... here.
4043         * tree-data-ref.c (build_classic_dist_vector): Return false when
4044         the distance vector is lexicographically negative.
4045
4046 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
4047
4048         PR tree-optimization/23511
4049         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4050         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4051
4052 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
4053
4054         PR tree-optimization/22043
4055         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4056         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4057         If ALLOW_FLEXARR, handle types ending with flexible array member.
4058         Pass false as second argument to recursive count_type_elements calls.
4059         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4060         argument to count_type_elements call.
4061         * tree-sra.c (decide_block_copy): Likewise.
4062         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4063         for a constant-sized object, set cleared as well.  Pass true as
4064         second argument to count_type_elements call.
4065
4066 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
4067
4068         PR target/21571
4069         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4070         from legitimate_small_data_p, and make global.  Update use.
4071         Remove forward declaration.
4072         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4073         Declare.
4074         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4075
4076 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
4077
4078         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4079         of scratch intermediates.
4080         (eq<mode>_compare): Same.
4081         (neg_eq0<mode>): New.
4082         (neg_eq<mode>): Convert to define_insn_and_split.
4083
4084 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
4085
4086         PR target/23070
4087         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4088         stdarg functions, set/clear the fp marker even when no variable
4089         args are passed.
4090         * config/rs6000/sysv4.opt (mprototype): Describe.
4091
4092 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
4093
4094         PR rtl-optimization/23478
4095         * regs.h (reg_info): Add throw_calls_crossed.
4096         (REG_N_THROWING_CALLS_CROSSED): Define.
4097         * flow.c (allocate_reg_life_data): Initialize
4098         REG_N_THROWING_CALLS_CROSSED.
4099         (propagate_one_insn, attempt_auto_inc): Update
4100         REG_N_THROWING_CALLS_CROSSED.
4101         * global.c (global_alloc): Don't allocate pseudos across
4102         calls that may throw.
4103
4104 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
4105
4106         PR c/18715
4107         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4108         value is inbetween the range if we did not find an exact match.
4109
4110 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
4111
4112         * doc/invoke.texi (Option Summary): Add ms1 options.
4113         * doc/extend.texi: Document interrupt handler attribute for ms1.
4114         * doc/md.texi: Document ms1 constraints.
4115         * config.gcc: Add ms1-*-elf.
4116         * config/ms1/ms1.h: New.
4117         * config/ms1/ms1.c: New.
4118         * config/ms1/ms1.md: New.
4119         * config/ms1/ms1-protos.h: New.
4120         * config/ms1/ABI.txt: New.
4121         * config/ms1/crti.asm: New.
4122         * config/ms1/crtn.asm: New.
4123         * config/ms1/lib2extra-funcs.c: New.
4124         * config/ms1/t-ms1: New.
4125         * config/ms1/ms1.opt: New.
4126
4127 2005-08-22 Ira Rosen <irar@il.ibm.com>
4128
4129         * config/rs6000/altivec.md (xorv4sf3): New.
4130         (negv4sf2, neg<mode>2): Likewise.
4131
4132 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
4133
4134         PR target/23485
4135         * config/ia64/ia64.md (divsi3): Check divide by zero.
4136         (udivsi3): Likewise.
4137         (divdi3): Likewise.
4138         (udivdi3): Likewise.
4139
4140 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
4141
4142         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4143         up to elem_bitsize bits, not max_bitsize.
4144
4145 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
4146
4147         PR tree-optimization/23433
4148         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4149         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4150
4151 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
4152
4153         PR tree-optimization/23434
4154         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4155         the iteration bound is not an INTEGER_CST.
4156
4157 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
4158
4159         * tree-vect-transform.c (get_initial_def_for_reduction): Set
4160         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4161         NULL if need_epilog_adjust is false.
4162         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4163         Case 3 always peels first itration, not just for PLUS case, and no need
4164         to use scalar_initial_def here. Create an epilog adjustment only if
4165         scalar_initial_def is not NULL.
4166
4167         (vectorizable_reduction): Remove assert.
4168
4169 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
4170
4171         PR target/23485
4172         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4173         (__moddi3): Likewise.
4174         (__udivdi3): Likewise.
4175         (__umoddi3): Likewise.
4176         (__divsi3): Likewise.
4177         (__modsi3): Likewise.
4178         (__udivsi3): Likewise.
4179         (__umodsi3): Likewise.
4180
4181 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
4182
4183         * tree-pass.h (TDF_GRAPH): Define.
4184         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4185         * passes.c (finish_optimization_passes): Only call
4186         finish_graph_dump_file if TDF_GRAPH is set.
4187         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4188         NULL.  Set TDF_GRAPH bit.
4189         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4190
4191 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
4192
4193         * arm.h (arm_stack_offsets): Add locals_base field.
4194         * arm.c (arm_get_frame_offsets): Compute it.
4195         (thumb_compute_initial_elimination offset): Make the Thumb frame
4196         pointer point to the base of the local variables.
4197         (thumb_expand_prologue): Update accordingly.
4198         (thumb_expand_epilogue): Likewise.
4199
4200         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
4201         mode of clobbered scratch to DImode.  Handle a case that's known to
4202         need this.
4203
4204 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
4205
4206         * config/rs6000/rs6000.md (gt0<mode>): Delete.
4207         (gt0<mode>_compare): Delete.
4208         (neg_gt0<mode>): Delete.
4209
4210 2005-08-19  Eric Christopher  <echristo@apple.com>
4211
4212         * optabs.h: Change CTI_ to COI_.
4213         * optabs.c: Ditto.
4214
4215 2005-08-19  James E Wilson  <wilson@specifix.com>
4216
4217         * builtins.c (expand_builtin_return_addr): Set
4218         current_function_accesses_prior_frames when count != 0.  Use
4219         frame_pointer_rtx when count == 0.
4220         * function.h (struct function): Add accesses_prior_frames field.
4221         (current_function_accesses_prior_frames): Define.
4222         * reload1.c (init_elim_table): Check
4223         current_function_accesses_prior_frames.
4224         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4225
4226 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4227
4228         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4229         indicator.  Return true if the flowgraph changed during
4230         cleanup.
4231
4232 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4233
4234         PR 23476
4235         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4236         conditional expression before testing its value.
4237
4238 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4239
4240         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4241
4242 2005-08-19  Devang Patel  <dpatel@apple.com>
4243
4244         PR tree-optimization/23048
4245         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4246         third parameter. Check whether latch is dominated by exit
4247         block or not.
4248         (if_convertible_loop_p): Supply exit block itself to
4249         if_convertible_bb_p.
4250
4251 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4252
4253         PR target/23473
4254         * arm.md (arm_load_pic_register): Change argument to the mask of
4255         saved registers.  Call thumb_find_work_register if we need a
4256         scratch register on Thumb.
4257         (arm_expand_prologue): Pass empty register set to
4258         arm_load_pic_register.
4259         (thumb_expand_prologue): Pass live_regs_mask directly to
4260         arm_load_pic_register.
4261         * arm-protos.h (arm_load_pic_register): Update prototype.
4262
4263 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
4264
4265         * sh.c (find_sole_member): New function.
4266         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4267         if the record's alignment is larger than the size of its only member.
4268
4269 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4270
4271         PR target/23436
4272         * arm.c (thumb_legitimize_reload_address): New function.
4273         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4274         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4275
4276 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
4277
4278         * config/crx/crx.c: Implement crx_decompose_address. Reject
4279         symbolic displacements since CRX register relative adressing
4280         mode can't handle unsigned 32-bit values as displacements.
4281         * config/crx/crx.h: Simplify definitions, remove redundant
4282         parenthesis and obsolete macros.
4283         * config/crx/crx.opt: Add new switch for debugging addresses.
4284         * config/crx/crx-protos.h: Add new declarations for above.
4285
4286 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
4287
4288         PR middle-end/20624
4289         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4290         looking past it.
4291
4292 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4293
4294         * collect2.c (dup2): Delete.
4295         * configure.ac: Don't check for dup2.
4296
4297         * config.in, configure: Regenerate.
4298
4299 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
4300
4301         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4302         record with the type of its only member.
4303
4304 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
4305
4306         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4307         define_insn_and_split.
4308         (plus_ltu<mode>_compare): Same.
4309         (gtu<mode>_compare): Same.
4310         (plus_gtu<mode>_compare): Same.
4311
4312 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
4313
4314         PR tree-optimization/22228
4315         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4316         todo_flags_start.
4317         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4318         are recorded in vect_vnames_to_rename for renaming.
4319         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4320         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4321         in vect_vnames_to_rename.
4322         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4323         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4324
4325 2005-08-18  Jan Hubicka  <jh@suse.cz>
4326
4327         PR c++/22034
4328         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4329         info only for local statics, not for member variables.
4330
4331 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4332
4333         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4334
4335 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4336
4337         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4338
4339 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
4340
4341         PR middle-end/16045
4342         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4343
4344 2005-08-17  James E Wilson  <wilson@specifix.com>
4345
4346         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4347         array size check.
4348
4349 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
4350
4351         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4352         (leu<mode>_compare): Same.
4353         (plus_leu<mode>): Same.
4354         (neg_leu<mode>): Same.
4355         (and_neg_leu<mode): Same.
4356         (ltu<mode>_compare): Same.
4357         (plus_ltu<mode>): Same.
4358         (geu<mode>): Same.
4359         (geu<mode>_compare): Same.
4360         (plus_geu<mode>): Same.
4361         (neg_geu<mode>): Same.
4362         (and_neg_geu<mode>): Same.
4363         (plus_gt<mode>): Same.
4364         (gtu<mode>_compare): Same.
4365         (plus_gtu<mode>): Same.
4366
4367 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
4368
4369         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4370         Move call_table_data to end.  Delete spurious .text.
4371         (callt_save_all_interrupt): Fix comment typo.
4372
4373 2005-08-17  James E Wilson  <wilson@specifix.com>
4374             Kevin Winchester  <winchester@amirix.com>
4375
4376         PR target/21684
4377         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4378
4379 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
4380
4381         PR target/23268
4382         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4383         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4384
4385 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
4386
4387         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4388         record with the type of its only member if the modes don't match.
4389
4390         * varasm.c (decode_reg_name): Skip empty additional register names.
4391
4392 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
4393
4394         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4395         lsm_tmp_name_length): New.
4396         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4397         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4398
4399 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4400             Andreas Krebbel  <krebbel1@de.ibm.com>
4401
4402         * config.gcc: Added z9-109 switch.
4403         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4404         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4405         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4406         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4407         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4408         for "z9_109" cpu attribute.
4409         * config/s390/s390.c (z9_109_cost): New processor cost structure.
4410         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4411         (s390_handle_arch_option): Added z9-109 switch.
4412         (override_options): Set respective cost function for z9-109.
4413         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4414         (legitimate_reload_constant_p): Accept extended immediates.
4415         (print_operand): Three new output modifiers added: k, m and o.
4416         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4417         (s390_output_mi_thunk): Use extended immediate when possible.
4418         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4419         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4420         (CONSTRAINT_LEN): Added length of O constraint.
4421         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4422         * config/s390/s390.md ("cpu"): New value z9_109 added.
4423         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4424         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4425         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4426         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4427         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4428         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4429         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4430         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4431         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4432         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4433         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4434         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4435         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4436         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4437         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4438         immediates.
4439         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4440         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4441         insns for TARGET_EXTIMM.
4442
4443 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4444
4445         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4446
4447 2005-08-17  Nick Clifton  <nickc@redhat.com>
4448
4449         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4450         Call default_encode_section_info.
4451
4452 2005-08-17  Steven Bosscher  <stevenb@suse.de>
4453
4454         PR tree-optimization/21574
4455         * tree-ssa-ccp.c (likely_value): If the right hand side is a
4456         constant, return CONSTANT.
4457         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4458         (ccp_fold, visit_assignment): Likewise.
4459         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4460
4461 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4462
4463         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4464         fold_buildN instead of buildN then fold_initializer or fold.
4465         (build_unary_op): Likewise.
4466         (build_binary_op): Likewise.
4467         * fold-const.c (fold_initializer): Remove.
4468         (fold_build1_initializer): New function.
4469         (fold_build2_initializer): New function.
4470         (fold_build3_initializer): New function.
4471         * tree.h (fold_initializer): Remove.
4472         (fold_build1_initializer): New function.
4473         (fold_build2_initializer): New function.
4474         (fold_build3_initializer): New function.
4475
4476 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4477
4478         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4479         (try_move_mult_to_index): Call fold_build2 instead of build2.
4480         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4481         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4482         fold_binary_to_constant.
4483         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4484         fold (build.
4485         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4486         check if A == gcd (A, B).  Remove TYPE argument.
4487         (analyze_offset) Use fold_build2 instead of fold (build.
4488         (create_data_ref): Likewise.
4489         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4490         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4491         then fold.
4492
4493 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
4494
4495         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4496         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4497
4498 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
4499
4500         PR tree-opt/23402
4501         * gimplify.c (zero_sized_type): New function.
4502         (gimplify_modify_expr_rhs): If we have a zero sized type,
4503         replace the statement with an empty statement.
4504
4505 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
4506
4507         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4508         fxsave.
4509
4510 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4511
4512         * doc/tm.texi (Label Output): Correct typo.
4513
4514 2005-08-16  Steven Bosscher  <stevenb@suse.de>
4515
4516         PR target/23376
4517         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4518         force_operand will work later on using have_insn_for.
4519
4520 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4521
4522         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4523
4524 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4525
4526         PR c++/23337
4527         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4528         vector type, don't try to construct it element by element.  Add an
4529         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4530
4531 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4532
4533         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4534
4535 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
4536
4537         * doc/invoke.texi (Precompiled Headers): Document some more options
4538         which are known to be safe.
4539
4540 2005-08-16  James E Wilson  <wilson@specifix.com>
4541
4542         PR tree-optimization/21105
4543         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4544         TREE_OVERFLOW check.
4545
4546 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
4547
4548         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4549         (neg_ltu<mode>): Same.
4550         (gtu<mode>): Same.
4551         (neg_gtu<mode>): Same.
4552
4553 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4554
4555         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4556         (fold_builtin_isdigit): Use fold_buildN.
4557         (build_function_call_expr): Likewise.
4558         * c-typeck.c (c_finish_loop): Likewise.
4559
4560 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
4561             Richard Shann <rshann@superh.com>
4562
4563         PR middle-end/20396:
4564         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4565
4566 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
4567
4568         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4569
4570 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4571
4572         PR target/23355
4573         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4574         arm_compure_save_reg0_reg12_mask to determine when the PIC register
4575         must be saved.
4576
4577 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4578
4579         PR middle-end/23369
4580         * fold-const.c (build_range_check): Disable optimization for function
4581         pointer expressions on targets that require function pointer
4582         canonicalization.
4583
4584 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
4585
4586         * simplify-rtx.c (simplify_const_relational_operation): When
4587         extracting arguments of a COMPARE, recompute the mode as well.
4588
4589 2005-08-15  Ian Lance Taylor  <ian@airs.com>
4590
4591         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4592
4593 2005-08-15  DJ Delorie  <dj@redhat.com>
4594
4595         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4596         the stack.
4597         (movsi_splittable): Allow, but split, moves to the stack.
4598         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4599         stack.
4600
4601 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4602
4603         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4604         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4605         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4606
4607         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4608         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4609         Delete HOST_PTR_PRINTF.
4610
4611         * configure, config.in: Regenerate.
4612
4613 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
4614
4615         * config/rs6000/rs6000.md (QHSI): New mode macro.
4616         (wd): Extend mode attr for QImode and HImode
4617         (dbits): New mode attr.
4618         (zero_extend<mode>di2): Convert to mode macro.
4619
4620 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
4621
4622         PR target/21841
4623         * doc/invoke.texi (-mgnu-ld): Update description.
4624         (-mhp-ld): Ditto.
4625
4626 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4627
4628         PR 23391
4629         * Makefile.in (tree-chrec.o): Depends on real.h.
4630         * tree-chrec.c: Include real.h.
4631         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4632         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4633         * tree-scalar-evolution.c (add_to_evolution_1,
4634         interpret_rhs_modify_expr): Ditto.
4635
4636 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4637
4638         PR 23386
4639         * tree-data-ref.c (estimate_niter_from_size_of_data): When
4640         step is negative compute the estimation from init downwards to zero.
4641
4642 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
4643
4644         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4645
4646 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4647
4648         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4649         constraint.
4650         (legitimate_reload_constant_p): Fix handling of lliXX operands.
4651         Accept double-word constants that can be split.
4652         * config/s390/s390.md ("movti"): Use 'P' constraint.
4653         ("*movdi_31", "*movdf_31"): Likewise.
4654
4655 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
4656
4657         Fix PR tree-optimization/22615
4658
4659         * tree-ssa-structalias.c (solution_set_add): Handle
4660         first_vi_for_offset returning NULL.
4661         (do_da_constraint): Ditto.
4662         (do_sd_constraint): Ditto.
4663         (do_ds_constraint): Ditto
4664         (find_func_aliases): Ditto.
4665         (build_constraint_graph): RHS is allowed be ANYTHING.
4666         (first_vi_for_offset): Return NULL if we couldn't find anything at
4667         the offset.
4668
4669 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4670
4671         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4672         over memory as first operand.
4673
4674 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
4675
4676         PR target/23360
4677         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4678         available for setting it.
4679
4680 2005-08-14  Ira Rosen  <irar@il.ibm.com>
4681
4682         PR tree-optimization/23320
4683         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4684         data-refs' types instead of base object nullness. Add check for
4685         pointer type data-refs before first location comparison. Remove
4686         assert.
4687
4688 2005-08-14  Andreas Schwab  <schwab@suse.de>
4689
4690         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4691
4692 2005-08-13  James E Wilson  <wilson@specifix.com>
4693
4694         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4695         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4696         -fstack-protector-all, --param ssp-buffer-size): Document.
4697         (-Wvariadic-macros): Alphabetize.
4698         (-fsched-stalled-insns-dep): Add missing 'f'.
4699
4700         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4701         macros.
4702
4703 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
4704
4705         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4706         or indirect address operand.
4707         (EXTRA_ADDRESS_CONSTRAINT): New.
4708         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4709
4710 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
4711
4712         PR tree-optimization/22236
4713         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4714         successors and predecessors.
4715         * tree-chrec.c (chrec_convert): Before converting, check that
4716         sequences don't wrap.
4717         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4718         (analyze_array): Extern.
4719         (find_data_references_in_loop): Remove call to
4720         compute_estimated_nb_iterations.
4721         * tree-data-ref.h (analyze_array): Declared.
4722         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4723         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4724         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4725         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4726         condition.
4727         * tree-ssa-loop-ivcanon.c: Fix documentation.
4728         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4729         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4730         (infer_loop_bounds_from_undefined): New.
4731         (estimate_numbers_of_iterations_loop): Use
4732         infer_loop_bounds_from_undefined.
4733         (used_in_pointer_arithmetic_p): New.
4734         (scev_probably_wraps_p): Pass an extra parameter.  Call
4735         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
4736         (convert_step): Fix documentation.
4737         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4738         Use initial_condition_in_loop_num and evolution_part_in_loop_num
4739         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
4740         scev_probably_wraps_p.
4741
4742 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
4743
4744         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4745         (s390_register_info): Ignore clobbered_regs information for fixed
4746         registers, and only fixed registers.
4747         (s390_init_frame_layout): Remove redundant call.
4748
4749 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
4750
4751         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4752         description of -Wold-style-casts.
4753
4754 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4755             Jakub Jelinek  <jakub@redhat.com>
4756
4757         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4758         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4759         * config/s390/s390.c (print_operand): New output modifier 'G' added.
4760         (get_thread_pointer): Renamed to s390_get_thread_pointer.
4761         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4762         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4763         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4764         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4765         ("stack_protect_set", "stack_protect_test"): New expanders.
4766         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4767         "stack_protect_testdi"): New insn definitions.
4768
4769 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4770
4771         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4772
4773 2005-08-12  Paul Brook  <paul@codesourcery.com>
4774
4775         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4776
4777 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4778
4779         * config/s390/predicates.md (setmem_operand): New predicate.
4780         (shift_count_operand): Accept ANDs with special constants as
4781         operand.
4782         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4783         with special constants.
4784         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4785         shift_count_operand with setmem_operand.
4786
4787 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4788
4789         * config/s390/s390.c (s390_extract_part, s390_single_part):
4790         Type cast added.
4791         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4792         (s390_output_mi_thunk): Don't use lg on 31 bit.
4793         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4794         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4795
4796 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4797
4798         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4799         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4800         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4801         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4802         with one of the new macros.
4803
4804 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4805
4806         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4807         Don't set save_return_addr_p.
4808         (s390_register_info): Make clobbered_regs not depending on
4809         save_return_addr_p.
4810
4811 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4812
4813         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4814         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4815
4816 2005-08-11  James E. Wilson  <wilson@specifix.com>
4817
4818         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4819
4820 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
4821
4822         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4823         locations gathered by var-tracking in single entry loc_list
4824         over loc_descriptor_from_tree.
4825
4826         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4827         pass it down to loc_descriptor.
4828         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4829         (containing_function_has_frame_base): Move earlier in the file.
4830         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4831         instead of always assuming fbreg can't be used.
4832
4833 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
4834
4835         * config/rs6000/altivec.md: Change constraint "m" to "Z".
4836         * config/rs6000/predicates.md (indexed_or_indirect_operand):
4837         Accept address wrapped in AND for Altivec.
4838         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4839         Strip AND wrapping offset address for Altivec.
4840
4841 2005-08-11  Richard Henderson  <rth@redhat.com>
4842
4843         PR middle-end/23312
4844         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4845         before using TYPE_IS_SIZETYPE.
4846
4847 2005-08-11  Richard Henderson  <rth@redhat.com>
4848
4849         PR target/22225
4850         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4851         insn types not present on ev4.
4852         (alphaev5_insn_pipe): Similarly.
4853
4854 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4855
4856         PR target/23250
4857         * arm.c (arm_override_options): If the user has selected callee-super-
4858         interworking, then enable normal interworking.
4859
4860 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4861
4862         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4863         redefinition.
4864
4865 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
4866
4867         * doc/rtl.texi: Fix two typos.
4868
4869 2005-08-11  Richard Guenther  <rguenther@suse.de>
4870
4871         PR target/23289
4872         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4873         cases where we call to/from functions returning void.
4874
4875 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
4876
4877         PR c++/23225
4878         * tree.c (build_pointer_type_for_mode): Robustify.
4879
4880 2005-08-10  James E Wilson  <wilson@specifix.com>
4881
4882         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4883         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4884
4885         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4886         "cum->".
4887
4888 2005-08-10  Eric Christopher  <echristo@apple.com>
4889
4890         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4891         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4892         V2DFmode.
4893
4894 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
4895
4896         PR target/21887
4897         * config/darwin.c (machopic_indirect_data_reference): Use a new register
4898         for the high part when generating dynamic-no-pic code.
4899
4900 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4901
4902         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4903         (x86_64-*-linux*): Likewise.
4904
4905         * config/i386/crtfastmath.c: New file.
4906         * config/i386/t-crtfm: Likewise.
4907
4908         * config/i386/linux.h (ENDFILE_SPEC): New.
4909         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4910
4911         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4912         crtfastmath.o.
4913
4914 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
4915
4916         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4917         (vec_shl, vec_shr): Document new operations.
4918         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4919
4920 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
4921
4922         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4923         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4924         change predicate to indexed_or_indirect_address.
4925
4926 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
4927
4928         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4929         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4930         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4931         and __aeabi_uwrite8.
4932         * config/arm/unaligned-funcs.c: New file.
4933         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4934
4935 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
4936
4937         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4938         Add dump.
4939         * cfglayout.c (pass_insn_locators_initialize): Add dump.
4940         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4941         Add dump.
4942         * except.c (pass_convert_to_eh_region_ranges): Add dump.
4943         * final.c (pass_shorten_branches): Add dump.
4944         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4945         (pass_life): Rename dump.
4946         (rest_of_handle_flow2): Remove initial verify_flow_info.
4947         * function.c (pass_instantiate_virtual_regs): Add dump.
4948         * integrate.c (pass_initial_value_sets): Add dump.
4949         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4950         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4951         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4952         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4953         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4954         gate_rtl_unrool_and_peel_loops): New.
4955         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4956         rtl_doloop): Do not look at flags.
4957         * mode-switching.c (pass_mode_switching): Add dump.
4958         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4959         pass_split_before_regstack): Add dump.
4960         * regmove.c (pass_stack_adjustments): Add dump.
4961         * tree-optimize.c (pass_fixup_cfg): Add dump.
4962
4963 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4964
4965         PR 23309
4966         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4967         deciding which instruction sequence to use.
4968
4969 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
4970
4971         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4972         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4973
4974 2005-08-09  Richard Guenther  <rguenther@suse.de>
4975
4976         * c-common.c (builtin_function_2): Remove.
4977         (def_builtin_1): New function.
4978         (c_common_nodes_and_builtins): Use def_builtin_1 to
4979         build builtin functions.
4980
4981 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
4982
4983         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4984         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4985         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4986         Visual DSP.
4987
4988 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4989
4990         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4991         fold_binary instead of fold_build2 since we don't care about the
4992         resulting tree.
4993         (loop_niter_by_eval): Likewise.
4994         (compare_trees): Likewise.
4995         (proved_non_wrapping_p): Likewise.
4996
4997 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4998
4999         PR c/23161
5000         PR c/23165
5001         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5002         if the if is really empty.
5003
5004 2005-08-09  Steven Bosscher  <stevenb@suse.de>
5005
5006         PR tree-optimization/23234
5007         * tree-ssa-math-opts.c (place_reciprocal): New enum.
5008         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5009         argument of the new enum.
5010         (execute_cse_reciprocals): Add reciprocals for function arguments
5011         on the unique successor edge of the entry block.  Update other calls
5012         to execute_cse_reciprocals_1.
5013
5014 2005-08-08  Richard Henderson  <rth@redhat.com>
5015
5016         PR 22439
5017         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5018
5019 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
5020
5021         * expr.c (write_complex_part): Return after handling MEM.
5022
5023 2005-08-08  Josh Conner  <jconner@apple.com>
5024
5025         PR rtl-optimization/23241
5026         * combine.c (simplify_comparison): Fix error in determining
5027         whether to lift a subreg from comparison.
5028
5029 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
5030
5031         PR target/18506
5032         * config/rs6000/altivec.md (vec_init<mode>): New.
5033         (vec_set<mode>): New.
5034         (vec_extract<mode>): New.
5035         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5036         (rs6000_expand_vector_set): New.
5037         (rs6000_expand_vector_extract): New.
5038         (rs6000_legitimate_offset_address_p): Offset addresses are valid
5039         for Altivec modes before reload.
5040         (altivec_expand_vec_init_builtin): New.
5041         (get_element_number): New.
5042         (altivec_expand_vec_set_builtin): New.
5043         (altivec_expand_vec_ext_builtin): New.
5044         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5045         builtins.
5046         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5047         builtins.
5048         * config/rs6000/rs6000.h (rs6000_builtins): Add
5049         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5050         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5051         * config/rs6000/rs6000-protos.h: Declare new functions.
5052
5053 2005-08-08  Jan Hubicka  <jh@suse.cz>
5054
5055         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5056         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5057         * i386.md (movdi*): Use pic_32bit_operand.
5058         * predicates.md (pic_32bit_operand): New.
5059
5060 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
5061
5062         PR c++/21166
5063         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5064
5065 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
5066
5067         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5068         (test_for_singularity): Use fold_build2.
5069
5070 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5071
5072         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5073
5074 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
5075
5076         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5077         (COMMON_ASM_OP) Define.
5078         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5079         (ix86_encode_section_info): Likewise.
5080         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5081         SUBTARGET_ENCODE_SECTION_INFO.
5082
5083 2005-08-06  Richard Henderson  <rth@redhat.com>
5084
5085         PR 21894
5086         * tree-nested.c (convert_local_reference): Save and restore val_only
5087         around component_ref and friends.  Clear walk_subtrees by default.
5088
5089 2005-08-06  Peter O'Gorman  <peter@pogma.com>
5090
5091         PR 21366
5092         * gcc.c (process_command): Check the argument to -b has a dash.
5093         * doc/invoke.texi: Update -b and -V docs.
5094
5095 2005-08-06  James E Wilson  <wilson@specifix.com>
5096
5097         * config/mips/cross64.h, config/mips/t-cross64: Delete.
5098
5099 2005-08-06  Michael Matz  <matz@suse.de>
5100
5101         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5102         member only if only one insn is associated with the value.
5103
5104 2005-08-06  Nick Clifton  <nickc@redhat.com>
5105
5106         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5107         New define.
5108         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5109         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5110         Check symbol flags instead of symbol name mangling.
5111         (xstormy16_asm_output_aligned_common): Likewise.  Also
5112         simplify code since the bss100_section cass is the only case
5113         where the below100 code will be triggered.
5114         (xstormy16_encode_section_info): Encode below100 attribute
5115         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5116         the name.
5117         (xstormy16_strip_name_encoding): Delete - this function is no
5118         longer needed.
5119         (TARGET_STRIP_NAME_ENCODING): Undefine.
5120         * config/stormy16/stormy16-protos.h: Delete prototype for
5121         xstormy16_strip_name_encoding.
5122
5123 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
5124
5125         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5126         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5127         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5128         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5129         config/alpha/predicates.md, config/arc/arc.h,
5130         config/arm/arm.h, config/arm/ieee754-df.S,
5131         config/arm/ieee754-sf.S, config/bfin/bfin.c,
5132         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5133         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5134         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5135         config/m68hc11/m68hc11.h, config/mips/mips.c,
5136         config/mips/mips.h, config/mips/openbsd.h,
5137         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5138         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5139         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5140         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5141         config/sparc/linux.h, config/sparc/linux64.h,
5142         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5143         doc/extend.texi, doc/gcov.texi, doc/install.texi,
5144         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5145         typos.  Follow spelling conventions.
5146
5147 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
5148
5149         PR c/23113
5150         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5151         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5152         specially.  Check for side effects only for COND_EXPR.
5153         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5154         return with TREE_NO_WARNING.
5155
5156 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
5157
5158         PR rtl-optimization/23233
5159         * loop.c (combine_movables): Require the modes to be the same.
5160         (move_movables): Remove handling of cases where the replacement
5161         had a different mode to the original.
5162
5163 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
5164
5165         PR tree-optimization/23128
5166         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5167         subtraction wrap, and set TREE_OVERFLOW if they do.
5168
5169 2005-08-05  Richard Henderson  <rth@redhat.com>
5170
5171         PR 21728
5172         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5173         FORCED_LABEL labels.
5174
5175 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
5176
5177         PR middle-end/23135
5178         * reload.c (find_reloads_subreg_address): Pass down TYPE
5179         unchanged.  Change all callers except find_reloads_toplev.
5180
5181 2005-08-05  Michael Matz  <matz@suse.de>
5182
5183         * genattrtab.c (current_alternative_string): Remove.
5184         (SIMPLIFY_ALTERNATIVE): Ditto.
5185         (attr_alt_bit_p): Ditto.
5186         (alternative_name): Make const char *.
5187         (evaluate_eq_attr): Remove use of above things.
5188         (simplify_test_exp): Ditto.
5189         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5190         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5191
5192 2005-08-04  James E Wilson  <wilson@specifix.com>
5193
5194         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5195         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5196         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5197         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5198         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5199
5200 2005-08-04  Richard Henderson  <rth@redhat.com>
5201
5202         PR 21529
5203         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5204         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5205         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
5206         if we'd have to instantiate too many members.
5207
5208 2005-08-04  Richard Henderson  <rth@redhat.com>
5209
5210         PR 21291
5211         * tree-outof-ssa.c (coalesce_asm_operands): New.
5212         (coalesce_ssa_name): Use it.  Split out ...
5213         (coalesce_phi_operands, coalesce_result_decls): ... these.
5214
5215 2005-08-04  Paul Brook  <paul@codesourcery.com>
5216
5217         * read-rtl.c (read_quoted_string): Break if EOF.
5218
5219 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
5220
5221         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5222         (fold_build2): Likewise.
5223         (fold_build3): Likewise.
5224         (fold_build1_stat): New function prototype.
5225         (fold_build2_stat): Likewise.
5226         (fold_build3_stat): Likewise.
5227         * fold-const.c (fold_build1): Rename to ..
5228         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5229         through to build1_stat.
5230         (fold_build2): Rename to ..
5231         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5232         through to build2_stat.
5233         (fold_build3): Rename to ..
5234         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5235         through to build3_stat.
5236
5237 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
5238             Ian Lance Taylor  <ian@airs.com>
5239
5240         * function.c (assign_stack_local_1): Do not correct stack slot
5241         address if allocation size is smaller than mode size.
5242
5243 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
5244
5245         PR 22037
5246         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5247         (tree_merge_blocks): Propagate anything allowed by
5248         may_propagate_copy.
5249         Clarify documentation.
5250         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5251         SSA form, schedule an update if necessary.
5252
5253 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
5254
5255         * doc/install.texi (Binaries): Remove broken link to
5256         Sinix/Reliant Unix binaries.
5257
5258 2005-08-03  Richard Henderson  <rth@redhat.com>
5259
5260         PR 23221
5261         * function.c (stack_protect_epilogue): Export.
5262         * tree.h (stack_protect_epilogue): Declare.
5263         * calls.c (expand_call): Call it.
5264
5265 2005-08-03  Eric Christopher  <echristo@apple.com>
5266
5267         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5268         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5269         spec.
5270
5271 2005-08-04  Jan Hubicka  <jh@suse.cz>
5272
5273         * profile.c (branch_prob): Split edges with goto locus on them
5274         to get proper line counts.
5275         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5276
5277 2005-08-03  Paul Brook  <paul@codesourcery.com>
5278
5279         * function.c (assign_parms): Round current_function_args_size
5280         to PARM_BOUNDARY, not STACK_BOUNDARY.
5281
5282 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
5283
5284         * config/i386/i386.c (x86_elf_aligned_common)
5285         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5286
5287 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
5288
5289         PR tree-optimization/23157
5290         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5291         before emitting them.
5292
5293 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5294
5295         PR tree-optimization/19899
5296         * Makefile.in (tree-scalar-evolution.o): Add real.h.
5297         * tree-scalar-evolution.c: Include real.h.
5298         (add_to_evolution): Build constant -1 of correct type.
5299
5300 2005-08-03  Jan Hubicka  <jh@suse.cz>
5301
5302         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5303         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5304         profile updating for complette unrolling.
5305         * loop-unroll.c (peel_loop_completely): Use it.
5306         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5307         (tree_unroll_loops_completely): Disable code growing unrolling of cold
5308         loops.
5309
5310 2005-08-03  Paul Brook  <paul@codesourcery.com>
5311
5312         * combine.c (can_change_dest_mode): New function.
5313         (try_combine, simplify_set): Use it.
5314
5315 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
5316
5317         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5318         TFmode to BLKmode.
5319
5320 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
5321
5322         * doc/install.texi (Specific): Adjust link to openavr.org.
5323         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5324         (Binaries): Adjust HP-UX Porting Center link.
5325         (Binaries): Adjust Free Software Foundation ordering link.
5326
5327 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
5328
5329         * convert.c (convert_to_integer): Use fold_build1 instead of
5330         build1 when converting an integer to an integer.
5331
5332 2005-08-02  Richard Henderson  <rth@redhat.com>
5333
5334         * combine.c (combine_instructions): Don't use reg_equal/equiv
5335         results if the mode doesn't match.
5336
5337 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
5338
5339         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5340         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5341
5342 2005-08-02  Richard Henderson  <rth@redhat.com>
5343
5344         PR 23196
5345         * explow.c (memory_address): Remove special-case for
5346         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5347
5348 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
5349
5350         PR 23164
5351         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5352         number of calls to cleanup_tree_cfg_1.
5353
5354 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
5355
5356         * doc/invoke.texi: document file extensions .F90 and .F95
5357
5358 2005-08-02  Richard Guenther  <rguenther@suse.de>
5359
5360         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5361         positive if its first argument is positive.
5362
5363 2005-08-02  Richard Guenther  <rguenther@suse.de>
5364
5365         PR tree-optimization/23177
5366         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5367         on TMR_TAG.
5368
5369 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
5370
5371         PR tree-optimization/23129
5372         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5373         varying for divisions with anti-ranges.
5374
5375 2005-08-02  Jan Hubicka  <jh@suse.cz>
5376
5377         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5378         * tree-ssa-threadupdate.c (thread_block): Add it here.
5379
5380 2005-08-01  James E Wilson  <wilson@specifix.com>
5381
5382         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5383         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5384         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5385         New.
5386         * config/mips/predicates.md (const_call_insn_operand): Add check for
5387         SYMBOL_REF_LONG_CALL_P.
5388         * doc/extend.texi (long_call): Document the new attribute.
5389
5390 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5391             Richard Henderson  <rth@redhat.com>
5392
5393         * Makefile.in (RTL_BASE_H): Add real.h.
5394         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5395         instead of memcpy.
5396         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5397         directly.
5398         * rtl.c (rtl_check_failed_code_mode): New.
5399         * rtl.h (struct rtx_def): Add u.rv.
5400         (XCMWINT, XCNMPRV): New.
5401         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5402         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5403
5404 2005-08-01  Richard Henderson  <rth@redhat.com>
5405
5406         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5407         with auto-inc codes.
5408
5409         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5410
5411 2005-08-01  Jan Hubicka  <jh@suse.cz>
5412
5413         * i386-protos.h (asm_preferred_eh_data_format): Declare.
5414         * i386.c: Include dwarf2.h
5415         (asm_preferred_eh_data_format): New.
5416         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5417
5418 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5419
5420         * config/host-linux.c (linux_gt_pch_get_address): Add new name
5421         randomize_va_space for virtual address randomization control.
5422
5423 2005-08-01  Steven Bosscher  <stevenb@suse.de>
5424
5425         * common.opt (flag_ipa_cp): Put in right place to maintain
5426         alphabetic sort.
5427
5428 2005-08-01  Jan Hubicka  <jh@suse.cz>
5429
5430         * profile.c (compute_value_histograms): Fix thinko.
5431         * value-prof.c: Include toplev.h
5432         (check_counter): New function.
5433         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5434         tree_mod_subtract_transform): Add sanity check.
5435
5436 2005-08-01  Richard Guenther  <rguenther@suse.de>
5437
5438         PR tree-optimization/23133
5439         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5440         current functions parameter decls to find defs to cse
5441         reciprocals of.
5442
5443 2005-08-01  Richard Guenther  <rguenther@suse.de>
5444
5445         PR tree-optimization/23109
5446         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5447         If trapping math is in effect, use post-dominator information
5448         to check if we'd in any case reach a trapping point before
5449         doing the reciprocal insertion.
5450         (execute_cse_reciprocals): Compute post-dominators, if necessary.
5451         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5452         expressions are invariant only if trapping math is not in effect.
5453
5454 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5455
5456         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5457         cgraph_function_versioning): New declarations.
5458         * cgraphunit.c: Add include to ipa-prop.h.
5459         (update_call_expr, cgraph_copy_node_for_versioning,
5460         cgraph_function_versioning): New functions.
5461         * integrate.c (copy_decl_for_inlining): Remove.
5462         * ipa-prop.h (ipa_replace_map): New struct.
5463         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5464         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5465         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5466         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5467         ipcp_iterate_stage, ipcp_method_scale_print,
5468         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5469         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5470         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5471         ipcp_update_bb_counts, ipcp_update_profiling,
5472         ipcp_update_edges_counts): New functions.
5473         (ipcp_method_cval_init): Remove restriction regarding local methods.
5474         (ipcp_init_stage): Add ipcp_method_compute_scale.
5475         (ipcp_insert_stage): Add versioning.
5476         (ipcp_structures_print): Add ipcp_method_scale_print.
5477         (ipcp_driver): Dump profiling info.
5478         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5479         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5480         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5481         (struct inline_data): Add versioning_p, ipa_info, new fields.
5482         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5483         declare_return_variable): Replace calls to copy_decl_for_inlining with
5484         copy_decl_for_dup.
5485         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5486         versioning support.
5487         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5488         Add argument VERSIONING.
5489         (copy_arguments_for_versioning, copy_static_chain,
5490         function_versionable_p, tree_versionable_function_p,
5491         tree_function_versioning, replace_ref_tree): New functions.
5492         * tree-inline.h: Include varray.h.
5493         (tree_versionable_function_p,  tree_function_versioning,
5494         tree copy_decl_for_dup): New declarations.
5495
5496 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5497
5498         * ipa-cp.c: New file. Contains IPCP specific functionality.
5499         * ipa-prop.h: New file. Contains structures/definitions that can be
5500         used by several interprocedural data flow optimizations (and also IPCP).
5501         * ipa-prop.c: New file.
5502         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5503         * common.opt: Add ipa-cp flag.
5504         * timevar.def: Add IPCP optimization.
5505         * tree-optimize.c (init_tree_optimization_passes): Schedule
5506         pass_ipa_cp.
5507         * tree-pass.h (pass_ipa_cp): Declare.
5508
5509 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
5510
5511         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5512         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5513         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5514         config/i386/i386.c, config/mips/mips.h,
5515         config/rs6000/rs6000.h, config/sh/sh.c,
5516         config/stormy16/stormy16.c: Fix comment typos.
5517
5518 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
5519
5520         PR c/22311
5521         * c-typeck.c (build_binary_op): Use common_type wrapper on
5522         shortened types.
5523         (common_type): Update comment.
5524
5525 2005-07-31  Steven Bosscher  <stevenb@suse.de>
5526
5527         PR target/23095
5528         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5529         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5530         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5531
5532 2005-07-31  Jan Hubicka  <jh@suse.cz>
5533
5534         * pretty-print.h (pp_widest_integer): New macro.
5535         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5536         counts.
5537
5538 2005-07-31  Jan Hubicka  <jh@suse.cz>
5539
5540         * output.h (enum section_category): Export from varasm.c
5541         (categorize_decl_for_section): Likewise.
5542         * varasm.c (enum section_category): Kill.
5543         (categorize_decl_for_section): Make global.
5544         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5545         Declare.
5546         * i386.c (ix86_section_threshold): New static variable.
5547         (ix86_in_large_data_p, ix86_encode_section_info,
5548         x86_64_elf_unique_section,
5549         x86_64_elf_select_section): New functions.
5550         (TARGET_ENCODE_SECTION_INFO): Define
5551         (override_options): Enable medium model for PIC.
5552         (ix86_expand_prologue): Expand gen_set_got_rex64.
5553         (legitimate_constant_p): Handle new UNSPECs.
5554         (legitimate_pic_address_disp_p): Likewise.
5555         (legitimize_pic_address): Lower MEDIUM model addressing.
5556         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5557         (enum cmodel): Add MEDIUM_PIC.
5558         (SYMBOL_REF_FAR_ADDR_P): New macro.
5559         (SYMBOL_FLAG_FAR_ADDR): New flag.
5560         * i386.md (movdi): Support medium model.
5561         (set_got_rex64): New pattern.
5562         * i386.opt (mlarge-data-threshold): New flag.
5563         * predicates.md (zext_operand/sext_operand): Deal with medium model.
5564         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5565         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5566         TARGET_ASM_UNIQUE_SECTION): New.
5567
5568         * invoke.texi (-mlarge_data_threshold): Document
5569
5570 2005-07-31  Jan Hubicka  <jh@suse.cz>
5571
5572         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5573         (coalesce_vars): Likewise.
5574         * tree-ssa-live.c (coalesce_cost): New.
5575         (build_tree_conflict_graph): Use coalesce_cost.
5576         * tree-ssa-live.h (coalesce_cost): Declare.
5577
5578 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5579
5580         * arm.md (all peepholes for post-increment operations): Delete.
5581         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5582         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5583         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5584         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5585         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5586
5587 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
5588
5589         * fold-const.c (tree_expr_nonnegative_p): Always return true for
5590         non-integral types.
5591
5592 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
5593
5594         PR target/22582
5595         * doc/invoke.texi: Document -rdynamic.
5596
5597 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
5598
5599         PR c/23143
5600         * c-parser.c (c_parser_parms_list_declarator): Call
5601         mark_forward_parm_decls.
5602         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5603         decls with visibility structure.
5604
5605 2005-07-30  Paul Brook  <paul@codesourcery.com>
5606
5607         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5608
5609 2005-07-30  Paul Brook  <paul@codesourcery.com>
5610
5611         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5612         prototype.
5613         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5614         value for mode.
5615         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5616
5617 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5618
5619         PR c/529
5620         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5621         nested function declarators.
5622         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5623         (grokparms): Call warn_if_shadowing for parameters used within the
5624         parameter list.
5625         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5626         not used within the parameter list.
5627         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5628
5629 2005-07-30  Jan Hubicka  <jh@suse.cz>
5630
5631         * expr.c (expand_expr_real_1): Do not load mem targets into register.
5632         * i386.c (ix86_fixup_binary_operands): Likewise.
5633         (ix86_expand_unary_operator): Likewise.
5634         (ix86_expand_fp_absneg_operator): Likewise.
5635         * optabs.c (expand_vec_cond_expr): Validate dest.
5636
5637 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5638
5639         PR c/21720
5640         * real.c (real_from_string): Also set last bit if there is a
5641         nonzero hex digit beyond GCC's internal precision after ".".
5642
5643 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
5644
5645         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5646         define_constants.  Change duplicate values to unassigned numbers.
5647         Change UNSPEC_SUBS to UNSPEC_VSUBS.
5648         (*altivec_vspltsf): New.
5649         (altivec_vperm_v4sf): Delete.
5650         (altivec_vperm_<mode>): Use mode macro V.
5651         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5652         (altivec_predicate_v4sf): Delete.
5653         (altivec_predicate_<mode>): Use mode macro V.
5654         (*altivec_lvesfx): New.
5655         (*altivec_stvesfx): New.
5656         (vec_realign_load_v4sf): Delete.
5657         (vec_realign_load_<mode>): Use mode macro V.
5658         * config/rs6000/rs6000.c (generate_set_vrsave): Use
5659         UNSPECV_SET_VRSAVE.
5660
5661 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
5662
5663         PR bootstrap/23131
5664         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5665         string.
5666         * configure: Regenerated.
5667
5668 2005-07-29  Paul Brook  <paul@codesourcery.com>
5669
5670         * doc/install.texi: Add link to GFortran binaries wiki page.
5671
5672 2005-07-29  David Ung  <davidu@mips.com>
5673
5674         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5675         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5676         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5677         * config/mips/mips.md (cpu): Add 5kf name.
5678         (includes): Includes 5k.md.
5679         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5680         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5681         -march flag.
5682
5683 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5684
5685         PR 22550
5686         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5687         (cleanup_tree_cfg): ... here.
5688         Call cleanup_tree_cfg_1 until there are no more cleanups to
5689         do.
5690
5691 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
5692
5693         * tree-vrp.c (compare_range_with_value): Return true or false
5694         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5695         EQ_EXPR respectively.
5696
5697 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
5698
5699         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5700         Fix comment typos.
5701
5702 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5703
5704         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5705         (tree_ssa_dominator_optimize): Increment it.
5706         (dump_dominator_optimization_stats): Print it.
5707
5708 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
5709             Steven Bosscher  <stevenb@suse.de>
5710
5711         PR rtl-optimization/23117
5712         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5713         when head == tail.  Tidy comment.
5714
5715 2005-07-28  Richard Henderson  <rth@redhat.com>
5716
5717         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5718         * cselib.c (rtx_equal_for_cselib_p): Likewise.
5719         * jump.c (rtx_renumbered_equal_p): Likewise.
5720         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5721         CONST_INT and CONST_DOUBLE.
5722         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5723         * reload.c (operands_match_p): Special case CONST_INT and
5724         CONST_DOUBLE; check mode earlier.
5725
5726 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5727
5728         PR c/22240
5729         * c-typeck.c (convert_for_assignment): Do not check
5730         DECL_IN_SYSTEM_HEADER on NULL fundecl.
5731
5732 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5733
5734         PR c/22192
5735         * c-typeck.c (composite_type): Prefer constant size arrays to
5736         VLAs.
5737
5738 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5739
5740         PR c/21720
5741         * real.c (real_from_string): Set last bit if there is a nonzero
5742         hex digit beyond GCC's internal precision.
5743
5744 2005-07-28  Richard Henderson  <rth@redhat.com>
5745
5746         PR rtl-opt/22619
5747         * cfgcleanup.c (try_forward_edges): Watch out for end of
5748         insn chain.
5749
5750 2005-07-28  James E Wilson  <wilson@specifixinc.com>
5751
5752         PR c/23106
5753         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5754
5755 2005-07-28  Jan Hubicka  <jh@suse.cz>
5756
5757         * Makefile.in (rtl-profile.o): Kill all traces of it.
5758         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5759         * coverage.h (rtl_coverage_counter_ref): Kill.
5760         * opts.c (flag_speculative_prefetching_set): Kill.
5761         (flag_loop_optimize_set): New.
5762         (common_handle_option): Disable loop optimizer when profiling;
5763         do not handle speculative prefetching.
5764         * passes.c (init_optimization_passes): Replace pass_profiling combo
5765         by branch_prob pass.
5766         * profile.c (compute_value_histograms): Update for simplified value
5767         profiles.
5768         (rtl_register_profile_hooks): Kill.
5769         (pass_profiling): Kill.
5770         (rest_of_handle_branch_prob): Do not profile.
5771         * toplev.c (process_options): Remove speculative prefetching.
5772         * toplev.h (flag_tree_based_profiling): Kill.
5773         * tree-profile.c (prepare_instrumented_value,
5774         tree_gen_interval_profiler, tree_gen_pow2_profiler,
5775         tree_gen_one_value_profiler, do_tree_profiling): Update for
5776         simplified datastructures.
5777         * value-prof.c: Add comment that speculative prefetching was dropped;
5778         update rest of file for simplified datastructures.
5779         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5780         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5781         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5782         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5783         rtl_mod_subtract, gen_speculative_prefetch,
5784         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5785         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5786         (gate_handle_value_profile_transformations,
5787         rest_of_handle_value_profile_transformations,
5788         pass_value_profile_transformations): Kill.
5789         * value-prof.h (histogram_value_t): Remove IL based unions.
5790         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5791         rtl_profile_hooks): Remove hooks.
5792
5793         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5794
5795         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5796         (cgraph_clone_node): Likewise.
5797         * cgraph.h (cgraph_clone_edge): Update prototype.
5798         (cgraph_clone_node): Likewise.
5799         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5800         cgraph_clone_node.
5801         (lookup_recursive_calls): Consider profile.
5802         (cgraph_decide_recursive_inlining): Fix updating; use new
5803         probability argument; use profile.
5804         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5805         * tree-inline.c (copy_bb): Update clal of clone_edge.
5806         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5807
5808         * invoke.texi (min-inline-recursive-probability): Document.
5809
5810 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
5811
5812         * doc/install.texi (Configuration): Update Valgrind homepage.
5813
5814 2005-07-28  Richard Henderson  <rth@redhat.com>
5815
5816         PR middle-end/21362
5817         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5818         labels we want to delete.
5819         (cfg_layout_merge_blocks): Likewise.
5820
5821 2005-07-28  Richard Henderson  <rth@redhat.com>
5822
5823         PR target/17692
5824         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5825         when expanding to nothing.
5826
5827 2005-07-28  Josh Conner  <jconner@apple.com>
5828
5829         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5830         (cgraph_decide_inlining_of_small_functions): Likewise.
5831
5832 2005-07-28  Josh Conner  <jconner@apple.com>
5833
5834         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
5835         direction of badness if negative.
5836         (cgraph_default_inline_p): Add reason to parameters, and assign it
5837         a value.
5838         (cgraph_decide_inlining_of_small_functions): New parameter in call
5839         to cgraph_default_inline_p.
5840         (cgraph_decide_inlining_incrementally): Likewise.
5841         * cgraphunit.c (decide_is_function_needed): Likewise.
5842         * cgraph.h (cgraph_default_inline_p): Likewise.
5843
5844 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5845
5846         * builtins.c: Fix comment typo(s).
5847         * genautomata.c: Likewise.
5848         * gimplify.c: Likewise.
5849         * tree-dfa.c: Likewise.
5850         * tree-flow-inline.h: Likewise.
5851         * tree-into-ssa.c: Likewise.
5852         * tree-ssa-alias.c: Likewise.
5853         * tree-ssa-ccp.c: Likewise.
5854         * tree-ssa-copy.c: Likewise.
5855         * tree-ssa-dce.c: Likewise.
5856         * tree-ssa-dom.c: Likewise.
5857         * tree-ssa-operands.c: Likewise.
5858         * tree-tailcall.c: Likewise.
5859         * tree-vectorizer.c: Likewise.
5860         * tree-vrp.c: Likewise.
5861         * tree.c: Likewise.
5862
5863 2005-07-28  Jeff Law  <law@redhat.com>
5864
5865         * tree-vrp.c (test_for_singularity): Extracted from  ...
5866         (simplify_cond_using_ranges): Attempt to simplify a relational
5867         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
5868
5869 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
5870
5871         PR tree-optimization/22506
5872         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5873         phis whose argument is constant.
5874
5875 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
5876
5877         PR rtl-optimization/18992
5878         Back out this patch:
5879           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5880           PR optimization/12142
5881           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5882           uses of the register in the SET_SRC.  Remove unnecessary argument.
5883
5884         Replace it with this:
5885         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5886         if flag_non_call_exceptions is set and the insn may trap, pass
5887         pc_rtx as dest for recursion.
5888         In SET_SRC part of SET case, if dest is already set, pass it down
5889         unchanged.
5890
5891 2005-07-28  Jan Hubicka  <jh@suse.cz>
5892
5893         * cfg.c (update_bb_profile_for_threading): Use RDIV.
5894         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5895         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5896         roundoff errors.
5897         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5898         profile when available.
5899
5900 2005-07-28  Jan Beulich <jbeulich@novell.com>
5901
5902         * config/ia64/ia64.c (ia64_load_pair_ok): New.
5903         (ia64_print_operand): Describe and handle 'X'.
5904         (ia64_register_move_cost): Also handle FP_REGS.
5905         (ia64_preferred_reload_class): Likewise.
5906         (ia64_secondary_reload_class): Likewise.
5907         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5908         it. Also check for ITANIUM_CLASS_FLDP.
5909         * config/ia64/ia64.h (FP_REGNO_P): New.
5910         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5911         (reg_class): Add FP_REGS.
5912         (REG_CLASS_NAMES): Adjust for it.
5913         (REG_CLASS_CONTENTS): Likewise.
5914         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5915         (REG_CLASS_FROM_LETTER): Handle 'x'.
5916         (CLASS_MAX_NREGS): Handle FP_REGS.
5917         (MEMORY_MOVE_COST): Likewise.
5918         * config/ia64/ia64.md (itanium_class): Add fldp.
5919         (type): Handle fldp.
5920         (movti_internal): More allowable operand combinations. Use ldfp8 when
5921         splitting unnecessary. Remove predicable attribute. Adjust
5922         itanium_class attribute.
5923         (smuldi3_highpart): Remove outdated comment.
5924         (mulditi3, umulditi3, rotlti3): New expanders.
5925         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5926         (absti2): Disabled new insn for future reference.
5927         Respective new splitters.
5928         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5929         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5930         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5931
5932 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
5933
5934         PR rtl-optimization/23047
5935         * simplify-rtx.c (simplify_const_relational_operation): Respect
5936         flag_wrapv for comparisons with ABS.
5937
5938 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
5939
5940         PR tree-optimization/22493
5941         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5942         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5943
5944 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
5945
5946         * config/frv/frv.opt (moptimize-membar): New.
5947
5948         * doc/invoke.texi: Document -moptimize-membar and its inverse.
5949
5950         * config/frv/frv.h: Remove machine_function definition.
5951
5952         * config/frv/frv.c (struct frv_io): New.
5953         (struct machine_function): Moved from frv.h.  Add has_membar_p.
5954         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5955         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5956         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5957         (frv_optimize_membar_global, frv_optimize_membar): New functions.
5958         (frv_reorg): Call frv_optimize_membar when appropriate.
5959         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5960         (frv_expand_builtin): Adjust calls accordingly.
5961         (frv_io_address_cookie): New function.
5962         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5963         load or store rather than a special insn.  Add ccnstant address and
5964         io-type operands to the membar.
5965         (frv_ifcvt_modify_tests): Unsign regno.
5966         (frv_ifcvt_modify_tests): Same.
5967
5968         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
5969         UNSPEC_OPTIONAL_MEMBAR constant.
5970         (builtin_read_<mode>): Delete.
5971         (builtin_write_<mode>): Delete.
5972         ("optional_membar_<mode>"): Add operand.
5973
5974         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5975         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5976         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5977         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5978         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5979         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5980         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5981         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5982         * testsuite/gcc.target/frv/all-read-write-1.c: New.
5983
5984 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5985
5986         * df.c (df_uses_record): Handle SCRATCH.
5987
5988 2005-07-28  Steven Bosscher  <stevenb@suse.de>
5989
5990         PR debug/20161
5991         * passes.c (rest_of_decl_compilation): If decl is a type and
5992         we have encountered errors, don't emit debug information.
5993
5994 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
5995
5996         * params.def: Fixed comment.
5997
5998 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
5999
6000         PR target/19885
6001         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6002         (TARGET_ASM_UNALIGNED_HI_OP): Add.
6003         (TARGET_ASM_UNALIGNED_SI_OP): Add.
6004
6005 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6006
6007         PR c++/22003
6008         * varasm.c (assemble_start_function): Don't do anything that may
6009         require a CFG if the current function is a thunk.
6010
6011 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
6012
6013         * doc/install.texi (Prerequisites): Mention that perl is needed
6014         to do export control in libstdc++ targetting Darwin.
6015
6016 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6017
6018         PR rtl-optimization/17808
6019         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6020         (sched_insns_conditions_mutex_p): Split out from...
6021         (add_dependence): ...here.  But don't call it from here.
6022         (add_dependence_list): Check sched_insns_conditions_mutex_p
6023         before calling add_dependence.
6024         (add_dependence_list_and_free): Likewise.
6025         (fixup_sched_groups): Likewise.
6026         (sched_analyze_1): Likewise.
6027         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6028         (sched_analyze): Likewise.
6029         (sched_analyze_insn): Likewise.
6030         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6031         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
6032         dependencies on all COND_EXEC insns to jumps ending basic blocks
6033         when doing intrablock scheduling.
6034         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6035
6036 2005-07-27  Jeff Law  <law@redhat.com>
6037
6038         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6039         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
6040         equivalency sets, correctly handle the case were vr0 has an
6041         equivalency set, but vr1 does not.
6042
6043 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
6044
6045         PR tree-optimization/23073
6046         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6047         vect_print_dump_info before fprintf.
6048
6049 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
6050
6051         PR tree-optimize/22348
6052         * tree-ssa-loop-niter.c (number_of_iterations_cond):
6053         Fold the partial computation.
6054
6055 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
6056
6057         PR tree-optimization/22325
6058         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6059         Declare.
6060         * tree-scalar-evolution.c (scev_const_prop): Add generic final
6061         value replacement.
6062         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6063         (force_var_cost): ... this function.
6064         (compute_phi_arg_on_exit): Export.
6065
6066 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
6067
6068         PR tree-optimization/20773
6069         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6070         edge.
6071
6072 2005-07-27  Richard Guenther  <rguenther@suse.de>
6073
6074         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6075         Avoid pushing again if current struct contains only
6076         fields we decomposed.
6077
6078 2005-07-27  Jan Hubicka  <jh@suse.cz>
6079
6080         PR tree-optimization/22574
6081         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6082         not available.
6083
6084         * tree-tailcall.c (decrease_profile): New function.
6085         (eliminate_tail_call): Use it.
6086
6087         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6088         visibility flags correctly in whole program mode.
6089
6090 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
6091
6092         PR rtl-optimization/22472
6093         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6094
6095 2005-07-26  Steven Bosscher  <stevenb@suse.de>
6096
6097         PR tree-optimization/22504
6098         * tree-complex.c (expand_complex_addition): Use 'code' instead
6099         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6100
6101 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
6102
6103         * config.gcc (cpu_type): Add frv case.
6104         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6105         (supported_defaults): Add fr550 case.
6106
6107 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
6108
6109         PR 22591
6110         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6111         whether a pointer of type T * may point to objects of type T *.
6112
6113 2005-07-26  DJ Delorie  <dj@redhat.com>
6114
6115         * configure: Regenerate.
6116
6117 2005-07-26  Dale Johannesen  <dalej@apple.com>
6118
6119         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
6120
6121 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
6122
6123         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6124         Clarify use of "build" in name.
6125
6126 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
6127
6128         * doc/extend.texi (Raw read/write Functions): New section.
6129         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6130         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6131         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6132         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6133         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6134         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6135         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6136         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6137         * config/frv/frv.c: Add bdesc_loads global.
6138         Add bdesc_stores global.
6139         (frv_init_builtins): Add support for __builtin_{read/write}*.
6140         (frv_volatile_memref): New.
6141         (frv_expand_load_builtin): New.
6142         (frv_expand_store_builtin): New.
6143         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6144         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6145         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6146         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6147         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6148         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6149         (builtin_read_<mode>): New.
6150         (builtin_write_<mode>): New.
6151         (builtin_write64): New.
6152         (optional_membar_<mode>): New.
6153
6154 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
6155
6156         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6157         (rather than units) against HOST_BITS_PER_WIDE_INT.
6158
6159 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
6160
6161         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6162         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6163         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6164         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6165         FSF address.
6166
6167         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6168         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6169         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6170         comment typos.
6171         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6172
6173 2005-07-26  Richard Guenther  <rguenther@suse.de>
6174
6175         PR tree-optimization/22486
6176         * fold-const.c (fold_unary): Fold away useless component
6177         references of the form (T *)&T.x, if the address
6178         doesn't change.
6179
6180 2005-07-25  James E Wilson  <wilson@specifixinc.com>
6181
6182         * dwarf2out.c (add_call_src_coords_attributes): New.
6183         (gen_inlined_subroutine_die): Call it.
6184         (maybe_emit_file, init_file_table): Add comments.
6185         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6186         maybe_emit_file.
6187         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6188         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6189         * tree.h (BLOCK_SOURCE_LOCATION): New.
6190         (struct tree_block): New field locus.
6191
6192 2005-07-26  Andreas Schwab  <schwab@suse.de>
6193
6194         PR rtl-optimization/23043
6195         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6196         when allocating a struct unoccr.
6197
6198 2005-07-25  Richard Henderson  <rth@redhat.com>
6199
6200         PR 22626
6201         * tree-complex.c (gate_no_optimization): True if errors.
6202         * Makefile.in (tree-complex.o): Update dependencies.
6203
6204 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
6205
6206         * config/frv/predicates.md (integer_register_operand): Use
6207         GPR_AP_OR_PSEUDO_P.
6208
6209 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6210
6211         PR tree-opt/22484
6212         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6213         after fold.
6214         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6215
6216 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6217
6218         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6219         types when flag_unsafe_math_optimizations is true.
6220
6221 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
6222
6223         * gcc.c (option_map): Add --sysroot.
6224         (process_command): Handle --sysroot.
6225         (display_help): Document it.
6226         * doc/cppopts.tex (-isysroot): Document.
6227         * doc/invoke.texi (--sysroot): Document.
6228         * doc/install.texi (--with-build-sysroot): Document.
6229
6230         * Makefile.in (inhibit_libc): New variable.
6231         (INHIBIT_LIBC_CFLAGS): Likewise.
6232         (LIBGCC2_CFLAGS): Include
6233         $(INHIBIT_LIBC_CFLAGS).
6234         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6235         ($(T)crtbegin.o): Do not use @inhibit_libc@.
6236         ($(T)crtend.o): Likewise.
6237         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6238         ($(T)crtendS.o): Likewise.
6239         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6240         ($(T)crtendT.o): Likewise.
6241         (stmp-fixinc): Do not complain about missing headers if
6242         inhibit_libc.
6243         * configure.ac (inhibit_libc): Set it to true/false.
6244         (--with-build-sysroot): New option.  Use it to set
6245         SYSTEM_HEADER_DIR.
6246         * configure: Regenerated.
6247
6248 2005-07-25  Manfred Hollstein  <mh@suse.com>
6249
6250         * calls.c (store_one_arg): Fix unsigned comparison warning.
6251
6252 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6253
6254         PR other/22337
6255         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6256         (ggc_print_statistics): Initialize variable before use.
6257
6258 2005-07-25  Richard Guenther  <rguenther@suse.de>
6259
6260         * tree-dfa.c (mark_new_vars_to_rename): Protect against
6261         calling with a PHI_NODE argument.
6262
6263         * tree-flow-inline.h (overlap_subvar): Protect against
6264         possible overflow.
6265
6266 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
6267
6268         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6269         * configure: Regenerate.
6270
6271 2005-07-25  Ira Rosen  <irar@il.ibm.com>
6272
6273         * expr.c (highest_pow2_factor): Make extern.
6274         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6275         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6276         record_array_differ_p, array_ptr_differ_p): Likewise.
6277         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6278         additional cases. Call the above functions.
6279         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6280         base_object_differ_p when there are two base objects. Otherwise, compare
6281         base address and offset. Call may_alias_p.
6282         (dump_data_reference): Use a correct field name.
6283         (analyze_array): Make static. Initialize new data-ref fields.
6284         (analyze_indirect_ref): New function.
6285         (init_data_ref): Initialize new data-ref fields.
6286         (strip_conversion): Moved from tree-vect-analyze.c.
6287         (analyze_offset_expr, get_ptr_offset, address_analysis,
6288         object_analysis): Likewise.
6289         (analyze_offset): New function.
6290         (create_data_ref): Likewise.
6291         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6292         dimensions for ARRAY_REFs only.
6293         (build_classic_dist_vector): Make static.
6294         (access_functions_are_affine_or_constant_p): Call macro to get the
6295         address of access functions.
6296         (compute_all_dependences): Add new parameter
6297         compute_self_and_read_read_dependences. Compute self and read-read
6298         dependences if it is true.
6299         (find_data_references_in_loop): Call create_data_ref. Initialize new
6300         data-ref fields.
6301         (compute_data_dependences_for_loop): Add new parameter
6302         compute_self_and_read_read_dependences. Remove parameter nb_loops,
6303         compute nb_loops. Call compute_all_dependences,
6304         build_classic_dist_vector and build_classic_dir_vector with correct
6305         parameters.
6306         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6307         with correct parameters. Compare dimensions for ARRAY_REFs only.
6308         (free_data_refs): Call macro to free access functions.
6309         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6310         fields from stmt_vinfo.
6311         (struct base_object_info): New structure.
6312         (struct data_reference): Move fields to base_object_info. Add fields
6313         first_location and object_info for above structures. Move fields from
6314         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6315         aligned_to.  Add macros to access the new fields.
6316         Update functions declarations.
6317         * tree-flow.h (is_aliased_with): Declare.
6318         * tree-loop-linear.c (linear_transform_loops): Call
6319         compute_data_dependences_for_loop with correct parameters.
6320         * tree-ssa-alias.c (is_aliased_with): New function.
6321         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6322         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6323         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6324         vect_base_addr_differ_p, compute_subscript_distance and
6325         build_classic_dist_vector. Add printings. Check absolute value of
6326         distance.
6327         (vect_analyze_data_ref_dependences): Go through ddrs instead of
6328         data-refs.
6329         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6330         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6331         to bytes. Add printing.
6332         (vect_compute_data_refs_alignment): Go through loads and stores in one
6333         loop.
6334         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6335         vect_analyze_data_ref_access): Likewise.
6336         (vect_analyze_pointer_ref_access): Remove.
6337         (vect_address_analysis, vect_object_analysis): Likewise.
6338         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6339         and analyze data-refs in the loop.
6340         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6341         fields of data-ref instead of stmt. Add init to the offset from the
6342         base.
6343         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6344         (vect_update_init_of_dr): Likewise.
6345         (vect_update_inits_of_drs): Go through loads and stores in one loop.
6346         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6347         removed fields.
6348         (new_loop_vec_info): Initialize new fields.
6349         (destroy_loop_vec_info): Free new fields.
6350         (vect_strip_conversion): Remove.
6351         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6352         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6353         datarefs. Add new field ddrs.
6354         Add macros for the new fields access.
6355         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6356         base_aligned_p, misalignment, memtag, ptr_info and subvars.
6357         Remove their macros.
6358         * tree.h (highest_pow2_factor): Declare.
6359
6360 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
6361
6362         * calls.c (store_one_arg): Check for sibling call MEM arguments
6363         from already clobbered incoming argument area.
6364
6365 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6366
6367         * c-common.c (check_missing_format_attribute): New.
6368         * c-common.h (check_missing_format_attribute): Likewise.
6369         * c-typeck.c (convert_for_assignment): Use it.
6370
6371 2005-07-24  Andreas Schwab  <schwab@suse.de>
6372
6373         * config/m68k/m68k.md ("extendqidi2"): When source is an address
6374         register use a word move.  Correct operand of ext.w in 68000 code.
6375
6376 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
6377
6378         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6379         variables as declarations, rather than definitions.
6380
6381 2005-07-24  Ira Rosen  <irar@il.ibm.com>
6382
6383         PR tree-optimization/22526
6384         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6385         of the zero node.
6386
6387 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6388
6389         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6390         that C99 reserve for future use. Use it to define clog10,
6391         clog10f and clog10l.
6392
6393 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6394
6395         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6396         * configure.ac: Check for -Wmissing-format-attribute.
6397
6398         * configure: Regenerate.
6399
6400 2005-07-23  Richard Henderson  <rth@redhat.com>
6401
6402         PR tree-optimization/22623
6403         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6404
6405 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
6406
6407         PR target/22577
6408         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6409
6410 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6411
6412         * Makefile.in (C_TREE_H): Update dependencies.
6413         * c-tree.h: Include toplev.h.
6414         * diagnostic.h (diagnostic_set_info): Add format attribute.
6415         * rtl-error.c (diagnostic_for_asm): Likewise.
6416
6417 2005-07-23  Chao-ying Fu  <fu@mips.com>
6418
6419         * config/mips/mips-dsp.md: New file.
6420         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6421         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6422         functions.
6423         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6424         MIPS_BUILTIN_BPOSGE32.
6425         (mips_expand_builtin_direct): Add one parameter to indicate that
6426         builtin functions need to return a value.
6427         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6428         functions.
6429         (mips_regno_to_class): Add classes for 12 new DSP registers.
6430         (mips_subword): Change to check four HI registers.
6431         (mips_output_move): Output move to and from 6 new DSP accumulators.
6432         (override_options): Make sure -mdsp and -mips16 are not used together.
6433         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
6434         for machine modes.
6435         (mips_conditional_register_usage): Disable 6 new DSP accumulators
6436         when !TARGET_DSP.
6437         (print_operand): Add 'q' for printing DSP accumulators.
6438         (mips_cannot_change_mode_class): Check ACC_REGS.
6439         (mips_secondary_reload_class): Check ACC_REGS.
6440         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6441         (mips_register_move_cost): Check ACC_REGS.
6442         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6443         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6444         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6445         (dsp_bdesc): New array.
6446         (bdesc_arrays): Add DSP builtin function table.
6447         (mips_prepare_builtin_arg): Check predicate again after
6448         copy_to_mode_reg.
6449         (mips_expand_builtin): Add one more parameter to
6450         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6451         MIPS_BUILTIN_BPOSGE32.
6452         (mips_init_builtins): Initialize new function types.
6453         (mips_expand_builtin_direct): Check if builtin functions need to
6454         return a value and pass operands properly.
6455         (mips_expand_builtin_bposge): New function.
6456         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6457         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6458         (FIRST_PSEUDO_REGISTER): Increase to 188.
6459         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6460         Update for 12 new DSP registers.
6461         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6462         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6463         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6464         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6465         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6466         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6467         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6468         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6469         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6470         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6471         (REGISTER_NAMES): Add names for 12 new DSP registers.
6472         * config/mips/mips.md: Include mips-dsp.md.
6473         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6474         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6475         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6476         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6477         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6478         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6479         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6480         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6481         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6482         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6483         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6484         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6485         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6486         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6487         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6488         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6489         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6490         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6491         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6492         (UNSPEC_RDDSP): New constants.
6493         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6494         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
6495         A<-d alternative.
6496         * config/mips/mips.opt (-mdsp): New option.
6497         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6498         (reg_imm10_operand): New predicates.
6499         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6500         * doc/invoke.texi (-mdsp): Document new option.
6501
6502 2005-07-22  DJ Delorie  <dj@redhat.com>
6503
6504         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6505         to warning calls.
6506         * tree-inline.c (inlinable_function_p): Likewise.
6507
6508 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
6509
6510         PR debug/21828
6511         * toplev.c (check_global_declarations): Do not mark undefined
6512         variables as DECL_IGNORED_P.
6513         * varasm.c (first_global_object_name): GTY it.
6514         (weak_global_object_name): Likewise.
6515         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6516         a string to go into {weak,first}_global_object_name.
6517
6518 2005-07-22  DJ Delorie  <dj@redhat.com>
6519
6520         * c-format.c (check_function_format): Change warning control
6521         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6522
6523 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
6524
6525         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6526         &PTR->FLD a dereference of PTR.
6527         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6528         a potential dereference of PTR.
6529
6530 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
6531
6532         PR rtl-optimization/20370
6533         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6534         call allocate_reg_info if necessary.
6535
6536         PR rtl-optimization/21848
6537         * calls.c (emit_library_call_value_1): For const functions, add
6538         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6539
6540         PR rtl-optimization/22445
6541         * cselib.c (target.h): Include.
6542         (rtx_equal_for_cselib_p): Allow commutative matches.
6543         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6544         Remove MODE parameter.  Changed all callers.
6545
6546         PR rtl-optimization/22258
6547         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6548         New functions.
6549         (try_combine): Use likely_spilled_retval_p.
6550
6551 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
6552
6553         * config.gcc: Add crx-elf support.
6554
6555         * doc/contrib.texi: Mention crx.
6556         * doc/extend.texi: Document crx extensions.
6557         * doc/install.texi: Document crx install.
6558         * doc/invoke.texi: Document crx options.
6559         * doc/md.texi: Document crx constraints.
6560
6561         * config/crx/crx-protos.h: New file.
6562         * config/crx/crx.c: New file.
6563         * config/crx/crx.h: New file.
6564         * config/crx/crx.md: New file.
6565         * config/crx/crx.opt: New file.
6566         * config/crx/t-crx: New file.
6567
6568 2005-07-22  Manfred Hollstein  <mh@suse.com>
6569
6570         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6571         warnings.
6572         (int_add_graph_edge): Likewise.
6573         (collapse_nodes): Likewise.
6574         (process_unification_queue): Likewise.
6575
6576 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6577             Laurent GUERBY  <laurent@guerby.net>
6578
6579         PR tree-optimization/22336
6580         * function.c (record_block_change): Check for
6581         cfun->ib_boundaries_block.
6582
6583 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
6584
6585         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6586         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6587
6588 2005-07-21  DJ Delorie  <dj@redhat.com>
6589
6590         * toplev.c (warn_deprecated_use): Add warning control to warning
6591         call.
6592         * c-typeck.c (parser_build_binary_op): Likewise.
6593         (c_finish_if_stmt): Likewise.
6594         * c-common.c (check_function_sentinel): Likewise.
6595         (check_nonnull_arg): Likewise.
6596
6597 2005-07-21  Richard Henderson  <rth@redhat.com>
6598
6599         PR tree-opt/22504
6600         * tree-complex.c (complex_ssa_name_components): New.
6601         (cvc_lookup): Allow entry not found.
6602         (create_components): Remove.
6603         (create_one_component_var, get_component_var): New.
6604         (get_component_ssa_name, set_component_ssa_name): New.
6605         (extract_component): Use get_component_ssa_name.
6606         (update_complex_components): Use set_component_ssa_name.
6607         (update_complex_components_on_edge): Likewise.
6608         (update_phi_components): Create new PHI nodes directly, instead
6609         of adding insns to edges.
6610         (tree_lower_complex): Allocate and free complex_variable_components
6611         and complex_ssa_name_components here.
6612
6613 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
6614
6615         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6616         revert to returning false.
6617
6618 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6619
6620         PR target/21149
6621         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6622
6623 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6624
6625         PR target/22576
6626         * config/i386/i386.md (cmpxf): Change operand constraints
6627         to "nonmemory_operand".
6628
6629 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6630
6631         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6632
6633 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6634
6635         PR middle-end/21180
6636         * fold-const.c (fold_build1): Add checksum for the operands.
6637         (fold_build2): Likewise.
6638         (fold_build3): Likewise.
6639
6640 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6641
6642         PR middle-end/19055
6643         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6644
6645 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6646
6647         * common.opt (-fforward-propagate): Committed by mistake,
6648         removed.
6649
6650 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6651
6652         * reg-stack.c: Fix comment typo(s).
6653         * tree-ssa-operands.c: Likewise.
6654         * tree-vectorizer: Likewise.
6655
6656 2005-07-21  Nick Clifton  <nickc@redhat.com>
6657
6658         * config/sh/symbian.c: Replace C++ style line comments with C
6659         style line comments.
6660         (symbian_add_attribute): Do not use a ? operator on the LHS of
6661         an assignment.
6662         (sh_symbian_handle_dll_attribute): Change the type of the
6663         method vector to "VEC(tree,gc)*" and use vector accessor
6664         macros to walk over the elements.
6665         (symbian_export_vtable_and_rtti_p): Likewise.
6666         (symbian_class_needs_attribute_p): Likewise.
6667
6668 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6669
6670         PR target/22085
6671         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6672         initialize targetm.resolve_overloaded_builtin here.
6673         (altivec_expand_overloaded_builtin): Make it non-static.
6674         * config/rs6000/rs6000-protos.h
6675         (altivec_expand_overloaded_builtin): New prototype.
6676         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6677         targetm.resolve_overloaded_builtin here.
6678         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6679
6680 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6681             Zdenek Dvorak  <dvorakz@suse.cz>
6682
6683         PR tree-optimization/19210
6684         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6685         New.
6686         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6687         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6688         rely on unproven assumptions.
6689         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6690         * tree-flow.h (number_of_iterations_exit): Add final parameter.
6691         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6692         to number_of_iterations_exit.
6693         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6694         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6695         * tree-ssa-loop-niter.c (find_loop_niter,
6696         estimate_numbers_of_iterations_loop): Likewise.
6697         (number_of_iterations_exit): Honor the new options.
6698         * doc/invoke.texi (Wunsafe-loop-optimizations,
6699         funsafe-loop-optimizations): Document them.
6700
6701 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
6702
6703         PR rtl-optimization/22167
6704         * gcse.c (hoist_code): Fix hoist_exprs[] check.
6705
6706 2005-07-20  Adam Nemet  <anemet@lnxw.com>
6707
6708         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6709         __do_global_dtors_aux longcall.
6710
6711 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
6712
6713         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6714         (old_special_pred_table): Don't reference
6715         SPECIAL_MODE_PREDICATES.
6716         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6717         * config/arc/arc.h: Don't mention PREDICATE_CODES.
6718         * config/sh/predicates.h: Don't mention
6719         SPECIAL_MODE_PREDICATES.
6720         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6721         Remove.
6722
6723 2005-07-20  DJ Delorie  <dj@redhat.com>
6724
6725         * config.gcc: Add m32c-elf support.
6726
6727         * doc/contrib.texi: Mention m32c.
6728         * doc/extend.texi: Document m32c extensions.
6729         * doc/install.texi: Mention m32c.
6730         * doc/invoke.texi: Document m32c options.
6731         * doc/md.texi: Document m32c constraints.
6732
6733         * config/m32c/addsub.md: New file.
6734         * config/m32c/bitops.md: New file.
6735         * config/m32c/cond.md: New file.
6736         * config/m32c/jump.md: New file.
6737         * config/m32c/m32c-lib1.S: New file.
6738         * config/m32c/m32c-lib2.c: New file.
6739         * config/m32c/m32c-modes.def: New file.
6740         * config/m32c/m32c-pragma.c: New file.
6741         * config/m32c/m32c-protos.h: New file.
6742         * config/m32c/m32c.abi: New file.
6743         * config/m32c/m32c.c: New file.
6744         * config/m32c/m32c.h: New file.
6745         * config/m32c/m32c.md: New file.
6746         * config/m32c/m32c.opt: New file.
6747         * config/m32c/minmax.md: New file.
6748         * config/m32c/mov.md: New file.
6749         * config/m32c/muldiv.md: New file.
6750         * config/m32c/predicates.md: New file.
6751         * config/m32c/prologue.md: New file.
6752         * config/m32c/shift.md: New file.
6753         * config/m32c/t-m32c: New file.
6754
6755 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6756
6757         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6758         (stack_protect_set, stack_protect_test): New expanders.
6759         (stack_protect_set_si, stack_protect_set_si_media,
6760         stack_protect_set_di_media, stack_protect_test_si,
6761         stack_protect_test_si_media, stack_protect_test_di_media):
6762         New insns.
6763
6764 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
6765
6766         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6767
6768 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
6769
6770         * tree.h (tree_expr_nonzero_p): Export.
6771         * fold-const.c (tree_expr_nonzero_p): Likewise.
6772         Return true for CALL_EXPRs that are alloca calls.
6773         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6774         against zero.
6775         * tree-flow.h (expr_computes_nonzero): Remove.
6776         * tree-vrp.c (expr_computes_nonzero): Remove.
6777         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6778         (extract_range_from_unary_expr): Likewise.
6779         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6780         tree_expr_nonzero_p.
6781
6782 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6783
6784         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6785         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
6786         extra arg "picreg" and use it instead of pic_offset_table_rtx.
6787         All callers changed.
6788         (frame_related_constant_load): New arg "related" which controls
6789         setting of RTX_FRAME_RELATED_P.  All callers changed.
6790         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6791         (bfin_expand_prologue): Add stack limit checking.
6792         * config/bfin/bfin.md (trapifcc): New pattern.
6793
6794         * config/bfin/bfin.c: Include "langhooks.h".
6795         (def_builtin): Go through lang_hooks to call builtin_function.
6796
6797         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6798         * config/bfin/predicates.md (symbol_ref_operand): New.
6799         (call_insn_operand): Delete.  All callers changed to use
6800         register_no_elim_operand.
6801         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6802         call_cookie field.
6803         (function_arg): Use it to generate the call's operand 2.
6804         (bfin_longcall_p): New function.
6805         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
6806         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
6807         determine if the address needs to be in a REG.
6808         (bfin_handle_longcall_attribute): New function.
6809         (bfin_attribute_table): Add "longcall" and "shortcall".
6810         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6811         (CUMULATIVE_ARGS): New member call_cookie.
6812         (PREDICATE_CODES): Add symbol_ref_operand.
6813         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6814         extra USE to the pattern.
6815         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6816         New patterns, split off call_insn, sibcall_insn, call_value_insn and
6817         sibcall_value_insn; now the new patterns handle direct calls and the
6818         old ones indirect calls.
6819         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6820
6821 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
6822
6823         * doc/trouble.texi: Update section on handling of empty loops.
6824
6825 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
6826
6827         * config.gcc: Remove support for sparc-*-openbsd*,
6828         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6829         ns32k-*-netbsd*.
6830         * config.host: Remove support for i860-*-sysv4* as a host.
6831         * config/i860/*, config/ip2k/*, config/ns32k/*,
6832         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6833         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6834         mention obsolete ports.
6835
6836 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6837
6838         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6839         soft frame pointer.
6840         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6841         of frame_pointer_rtx.
6842         (sh_expand_epilogue): Likewise.
6843         (sh_set_return_address): Likewise.
6844         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6845         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
6846         offsets from FRAME_POINTER_REGNUM.
6847         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6848         (sh_register_names): Add initializer for sfp.
6849         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6850         (VALID_REGISTER_P): Likewise.
6851         (FIRST_PSEUDO_REGISTER): Update.
6852         (DWARF_FRAME_REGISTERS): Define.
6853         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6854         (HARD_FRAME_POINTER_REGNUM): Define.
6855         (FRAME_POINTER_REGNUM): Redefine.
6856         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6857         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
6858         from FRAME_POINTER_REGNUM.
6859         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6860         FRAME_POINTER_REGNUM.
6861         (REG_CLASS_CONTENTS): Add sfp.
6862         (REG_ALLOC_ORDER): Likewise.
6863         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
6864         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6865         of frame_pointer_rtx.
6866         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6867
6868 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
6869
6870         * fold-const.c (tree_expr_nonnegative_p): Only return true for
6871         ABS_EXPR when flag_wrapv is false because of INT_MIN.
6872         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6873         of an ABS_EXPR.
6874         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6875         ABS_EXPR<x>.
6876
6877 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
6878
6879         Make CONSTRUCTOR use VEC to store initializers.
6880         * c-common.c (complete_array_type): Update to cope with VEC in
6881         CONSTRUCTOR_ELTS.
6882         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6883         (pp_c_constructor_elts): New function.
6884         * c-pretty-print.h (pp_c_constructor_elts): Declare.
6885         * c-typeck.c (build_function_call, build_c_cast, digest_init,
6886         struct constructor_stack, struct initializer_stack,
6887         constructor_elements, push_init_level, pop_init_level,
6888         add_pending_init, find_init_member, output_init_element): Update to
6889         cope with VEC in CONSTRUCTOR_ELTS.
6890         * coverage.c (build_fn_info_value, build_ctr_info_value,
6891         build_gcov_info): Likewise.
6892         * expr.c (categorize_ctor_elements_1, store_constructor,
6893         expand_expr_real_1): Likewise.
6894         * fold-const.c (fold_ternary): Likewise.
6895         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6896         gimplify_init_constructor, gimplify_expr): Likewise.
6897         * tree-dump.c (dequeue_and_dump): Likewise.
6898         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6899         node.
6900         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6901         CONSTRUCTOR_ELTS.
6902         * tree-sra.c (generate_element_init_1): Likewise.
6903         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6904         * tree-ssa-operands.c (get_expr_operands): Likewise.
6905         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6906         * tree-vect-transform.c (vect_get_vec_def_for_operand):
6907         (get_initial_def_for_reduction): Likewise.
6908         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6909         value handle in annotations.
6910         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6911         tree_node_structure): Add support for constr_kind.
6912         (build_vector_from_ctor, build_constructor_single,
6913         build_constructor_from_list): New functions.
6914         (build_constructor): Update to take a VEC instead of a TREE_LIST.
6915         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6916         Update to cope with VEC in CONSTRUCTOR_ELTS.
6917         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6918         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6919         CONSTRUCTOR_APPEND_ELT): New macros.
6920         (struct constructor_elt, struct tree_constructor): New data types.
6921         (union tree_node): Add tree_constructor field.
6922         * treestruct.def: Define TS_CONSTRUCTOR.
6923         * varasm.c (const_hash_1, compare_constant, copy_constant,
6924         compute_reloc_for_constant, output_addressed_constants,
6925         initializer_constant_valid_p, output_constant,
6926         array_size_for_constructor, output_constructor): Update to cope with
6927         VEC in CONSTRUCTOR_ELTS.
6928         * vec.h (VEC_empty, VEC_copy): New macros.
6929
6930 2005-07-19  Devang Patel  <dpatel@apple.com>
6931
6932         * dbxout.c (dbxout_type): Check Objective-C++ lang.
6933
6934 2005-07-19  Richard Henderson  <rth@redhat.com>
6935
6936         PR tree-opt/22278
6937         * gimplify.c (gimplify_expr): Use main variant type for the temp
6938         destination for a discarded volatile read.
6939         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6940         casts between non-void types that change volatility.
6941
6942 2005-07-15  DJ Delorie  <dj@redhat.com>
6943
6944         * toplev.h: Add comment about the first parameter for warning().
6945         * errors.h: Likewise.
6946
6947         * c.opt (Wpragmas): New.
6948         * doc/invoke.texi: Document it.
6949
6950         * function.c (do_warn_unused_parameter): Add warning control to
6951         warning call.
6952         * c-decl.c (warn_if_shadowing): Likewise.
6953         * c-lex.c (cb_def_pragma): Likewise.
6954         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6955         (pop_alignment): Likewise.
6956         (handle_pragma_pack): Likewise.
6957         (apply_pragma_weak): Likewise.
6958         (handle_pragma_weak): Likewise.
6959         (handle_pragma_redefine_extname): Likewise.
6960         (add_to_renaming_pragma_list): Likewise.
6961         (handle_pragma_extern_prefix): Likewise.
6962         (maybe_apply_renaming_pragma): Likewise.
6963         (handle_pragma_visibility): Likewise.
6964
6965         * config/c4x/c4x-c.c (BAD): Likewise.
6966         (c4x_parse_pragma): Likewise.
6967         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6968         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6969         (rs6000_pragma_longcall): Likewise.
6970         * config/v850/v850-c.c (pop_data_area): Likewise.
6971         (ghs_pragma_section): Likewise.
6972         (ghs_pragma_section): Likewise.
6973         (ghs_pragma_interrupt): Likewise.
6974         (ghs_pragma_starttda): Likewise.
6975         (ghs_pragma_startsda): Likewise.
6976         (ghs_pragma_startzda): Likewise.
6977         (ghs_pragma_endtda): Likewise.
6978         (ghs_pragma_endsda): Likewise.
6979         (ghs_pragma_endzda): Likewise.
6980
6981 2005-07-19  Danny Berlin <dberlin@dberlin.org>
6982             Kenneth Zadeck <zadeck@naturalbridge.com>
6983
6984         * Makefile.in: Removed tree-promote-statics.c
6985         * tree-promote-statics.c: Removed.
6986         * common.opt: Removed flag-promote-statics.
6987         * opts.c: Ditto.
6988         * passes.c: Removed tree-promote-statics pass.
6989         * tree-pass.h: Ditto.
6990         * timevar.def: Removed TV_PROMOTE_STATICS.
6991
6992
6993 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
6994
6995         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6996         and *-*-freebsd9.
6997         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6998
6999 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7000
7001         PR c/22476
7002         * c-common.c (check_function_arguments): Call
7003         'check_function_format' if either -Wformat or
7004         -Wmissing-format-attribute are specified.
7005         * c-format.c (check_function_format): Check -Wformat before
7006         calling 'check_format_info'.
7007         * c-opts.c (c_common_post_options): Don't warn for
7008         -Wmissing-format-attribute without -Wformat.
7009         * c-typeck.c (convert_for_assignment): Detect additional cases for
7010         -Wmissing-format-attribute.
7011         * doc/invoke.texi (-Wmissing-format-attribute): Document new
7012         behavior.
7013
7014 2005-07-19  Richard Guenther  <rguenther@suse.de>
7015
7016         * config/i386/i386.md (lrint<mode>2): Use temporary
7017         instead of clobbering non-existent memory.
7018
7019 2005-07-19  Nick Clifton  <nickc@redhat.com>
7020
7021         * config/avr/avr.c (legitimate_address_p): Fix debugging print
7022         statement to avoid displaying ASCII control characters.
7023
7024 2005-07-19  Ben Elliston  <bje@au.ibm.com>
7025
7026         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7027         * cfganal.c (find_edge_index): Ditto.
7028         * combine.c (combine_instructions): Ditto.
7029         * ddg.c (create_scc): Ditto.
7030         (find_successors): Ditto.
7031         (find_predecessors): Ditto.
7032         (find_nodes_on_paths): Ditto.
7033         (longest_simple_path): Ditto.
7034         * flow.c (update_life_info): Ditto.
7035         (count_or_remove_death_notes): Ditto.
7036         (clear_log_links): Ditto.
7037         * modulo-sched.c (generate_reg_moves): Ditto.
7038         (find_max_asap): Ditto.
7039         (find_max_hv_min_mob): Ditto.
7040         (find_max_dv_min_mob): Ditto.
7041         * sbitmap.c (sbitmap_first_set_bit): Ditto.
7042         * sched-rgn.c (extract_edgelst): Ditto.
7043         * tree-into-ssa.c (prepare_names_to_update): Ditto.
7044         (dump_update_ssa): Ditto.
7045         (ssa_names_to_replace) Ditto.
7046         (switch_virtuals_to_full_rewrite): Ditto.
7047         (update_ssa): Ditto.
7048         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7049
7050 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
7051
7052         Fix PR tree-optimization/22483
7053
7054         * tree-complex.c (create_components): Use
7055         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7056         * tree-flow-inline.h (fill_referenced_var_vec): New function.
7057         * tree-flow.h (safe_referenced_var_iterator): New structure.
7058         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7059         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7060         safe_referenced_var iterator.
7061         (add_type_alias): Ditto.
7062
7063 2005-07-19  Steven Bosscher  <stevenb@suse.de>
7064
7065         * loop-init.c (rest_of_handle_loop2): Remove.
7066         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7067         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7068         (pass_rtl_loop_init, pass_rtl_loop_done,
7069         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7070         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7071         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7072         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7073         pass_tree_loop_done, and pass_tree_unswitch.
7074         (gate_loop): Rename to gate_tree_loop.
7075         * passes.c (init_optimization_passes): Update for renamed tree
7076         loop passes.  Add the new loop2 passes as subpasses of loop2.
7077         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7078         Update for the renamed tree loop passes.
7079
7080 2005-07-18  Ian Lance Taylor  <ian@airs.com>
7081
7082         PR middle-end/22057
7083         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7084         blocks when optimizing.
7085
7086 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
7087
7088         * common.opt (frename-registers): Initialize to 2.
7089         (fweb): Ditto.
7090         (fgcse-after-reload): Ditto.
7091         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7092         (process_options): Only change flag_web, flag_rename_registers,
7093         and flag_rerun_cse_after_loop if not explicitly set by user.
7094
7095 2005-07-18  Jan Beulich  <jbeulich@novell.com>
7096
7097         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7098         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7099         in 64-bit mode the same as DImode in 32-bit mode.
7100         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7101         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7102         mode. Add new mode parameter.
7103         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7104         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7105         x86_64_shift_adj): New expanders.
7106         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7107         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7108         insns.
7109         Respective new splitters. Use renamed shift splitter helpers in 32-bit
7110         DImode shift splitters.
7111         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7112         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7113         mode parameter.
7114
7115 2005-07-18  Jan Beulich  <jbeulich@novell.com>
7116
7117         * i386.md (movdi_extzv_1): New.
7118         (zero_extendhidi2): Combine alternatives and never force use of
7119         REX64 prefix.
7120         (zero_extendqidi2): Likewise. Don't restrict input selection.
7121
7122 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
7123
7124         Fix PR tree-optimization/22531
7125         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
7126          moment.
7127
7128 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
7129
7130         * tree-promote-statics.c (pass_promote_statics): Change dump file
7131          name.
7132
7133 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
7134
7135         * tree-optimize.c (init_tree_optimization_passes): Add
7136         pass_eliminate_useless_stores pass.
7137         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7138         * tree-ssa-pre.c (is_copy_stmt): New function.
7139         (follow_copies_till_vuse): Ditto.
7140         (do_eustores): Ditto.
7141         (gate_eustores): Ditto.
7142
7143 2005-07-16  Richard Henderson  <rth@redhat.com>
7144
7145         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7146
7147 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7148            Kenneth Zadeck <zadeck@naturalbridge.com>
7149
7150         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7151         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7152         ipa-type-escape.h, tree-promote-statics.c
7153         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7154         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7155         tree-promote-statics.c: new files.
7156         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7157         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7158         int nonlocal_set_p, mark_constant_function): Deleted.
7159         (rest_of_handle_cfg): Removed call to mark_constant_function.
7160         (nonoverlapping_component_refs_p): Added calls to support
7161         type based aliasing.
7162         * tree-ssa-alias.c (may_alias_p,
7163         compute_flow_insensitive_aliasing): Ditto.
7164         * calls.c (flags_from_decl_or_type): Removed reference to
7165         cgraph_rtl_info.
7166         * c-typeck.c (convert_arguments): Make builtins tolerant of having
7167         too many arguments.  This is necessary for Spec 2000.
7168         * cgraph.h (const_function, pure_function): Removed.
7169         * common.opt: Added "fipa-pure-const", "fipa-reference",
7170         "fipa-type-escape", and "ftree-promote-static".
7171         * opts.c: Ditto.
7172         * passes.c: Added ipa and tree-promote-statics passes.
7173         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7174         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7175         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7176         * tree-flow.h: Added exposed sra calls and addition of
7177         reference_vars_info field for FUNCTION_DECLS.
7178         * tree-pass.h: Added passes.
7179         * tree-sra.c: (sra_init_cache): New function.
7180         (sra_insert_before, sra_insert_after) Made public.
7181         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7182         and made public.
7183         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7184         aliasing. (may_alias_p): Added code to use type escape analysis to
7185         improve alias sets.
7186         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7187         code to prune clobbers of static variables based on information
7188         produced in ipa-reference pass.  Changed call clobbering so that
7189         statics are not marked as clobbered if the call does not clobber
7190         them.
7191
7192 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
7193
7194         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7195         too.
7196
7197 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7198
7199         * doc/install.texi (*-*-solaris2*): Document recommended version
7200         of GNU binutils and mention GNU linker problem on Solaris 10.
7201
7202 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
7203
7204         PR c/22421
7205         * c-decl.c (c_build_bitfield_integer_type): New function.
7206         (finish_struct): Call it.
7207         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7208
7209 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7210
7211         * c-typeck.c (digest_init): Call 'convert_for_assignment'
7212         before returning.
7213
7214 2005-07-16  Jan Hubicka  <jh@suse.cz>
7215
7216         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7217         (scale_bbs_frequencies_int): Watch roundoff errors.
7218         * predict.c (return_prediction): Initialize return_stmt.
7219
7220 2005-07-16  Jan Hubicka  <jh@suse.cz>
7221
7222         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7223         after RTL profiling.
7224
7225 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
7226
7227         PR middle-end/22398
7228         * fold-const.c (build_range_check): Convert high/low to etype
7229         if we are only comparing against exp.
7230
7231 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
7232
7233         Fix PR tree-optimization/22376
7234         * tree-ssa-structalias.c (build_constraint_graph): We really meant
7235         special var here.
7236         (need_to_solve): New function.
7237         (compute_points_to_sets): Use it.
7238
7239 2005-07-15  Jan Hubicka  <jh@suse.cz>
7240
7241         * cfg.c (update_bb_profile_for_threading): More diagnostic.
7242         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7243
7244 2005-07-15  Richard Guenther  <rguenther@suse.de>
7245
7246         * c-common.c (handle_flatten_attribute): New function.
7247         Add flatten function attribute.
7248         * doc/extend.texi: Document flatten function attribute.
7249         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7250         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7251         New functions.
7252         (cgraph_decide_inlining): Handle functions with flatten
7253         attribute.
7254
7255 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
7256
7257         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7258         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7259         UNSPEC_XCHG, UNSPEC_AND): New.
7260         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7261         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7262         * config/rs6000/sync.md (FETCHOP): New code macro.
7263         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7264         New code attrs.
7265         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7266         (sync_compare_and_swap<mode>): Same.
7267         (sync_lock_test_and_set<mode>): Same.
7268         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7269         for QImode and HImode, and not PPC405.
7270         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7271         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7272         (sync_<fetchop>{si,di}_internal): New.
7273         (sync_nand{si,di}_internal): New.
7274         (sync_old_<fetchop>{si,di}_internal): New.
7275         (sync_old_nand{si,di}_internal): New
7276         (sync_new_<fetchop>{si,di}_internal): New.
7277         (sync_new_nand{si,di}_internal): New.
7278         (atomic_and{si,di}): New.
7279         (sync_new_nand{si,di}_internal): New.
7280         (atomic_and{si,di}): New.
7281         (sync_add<mode>_internal): Delete.
7282         (sync_addshort_internal): Use unspec instead of unspec_volatile.
7283         (sync_sub<mode>_internal): Delte.
7284         (sync_subshort_internal): New.
7285         (sync_andsi_internal): Use unspec instead of unspec_volatile.
7286         (sync_anddi_internal): Delete.
7287         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7288         (sync_booldi_internal): Delete.
7289         (sync_boolc<mode>_internal): Delete.
7290         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7291         (sync_boolc<mode>_internal2): Delete.
7292         (sync_boolcc<mode>_internal): Delete.
7293         (isync, lwsync): Use unspec instead of unspec_volatile.
7294         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7295         Revert UNSPEC_VOLATILE.
7296         (rs6000_split_atomic_op): New.
7297         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7298
7299 2005-07-14  Eric Christopher  <echristo@redhat.com>
7300
7301         * config/mips/mips.c (mips_canonicalize_comparison): Cast
7302         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7303
7304 2005-07-14  Eric Christopher  <echristo@redhat.com>
7305
7306         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7307
7308 2005-07-14  Steven Bosscher  <stevenb@suse.de>
7309
7310         PR tree-optimization/22230
7311         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7312         the computation of the four cross productions for "range op range".
7313
7314 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
7315             Ulrich Weigand  <uweigand@de.ibm.com>
7316
7317         PR target/20126
7318         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7319         in some insn.
7320
7321 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7322
7323         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7324
7325 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
7326
7327         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7328
7329 2005-07-14  Richard Guenther  <rguenther@suse.de>
7330
7331         PR middle-end/22347
7332         * config/i386/i386-protos.h (ix86_function_value): Change
7333         prototype to match new target hook.
7334         * config/i386/i386.c (ix86_value_regno): Change prototype
7335         to take extra type argument.
7336         (TARGET_FUNCTION_VALUE): Define.
7337         (ix86_function_ok_for_sibcall): Pass extra argument to
7338         ix86_value_regno, check return slot rtx for exact match.
7339         (ix86_function_value): Take extra parameter.  Dispatch to
7340         ix86_value_regno with fndecl/fntype as provided.
7341         (ix86_value_regno): Handle extra type argument.
7342         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7343
7344         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7345         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7346         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7347         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7348         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7349
7350 2005-07-14  Richard Guenther  <rguenther@suse.de>
7351
7352         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7353         * calls.c (expand_call): Pass fntype to hard_function_value.
7354         (emit_library_call_value_1): Likewise.
7355         * explow.c: Include target.h.
7356         (hard_function_value): Take extra argument, the fntype.
7357         Use new target hook for function_value.
7358         * expr.h (hard_function_value): Change prototype.
7359         * function.c (aggregate_value_p): Pass 0 as fntype to
7360         hard_function_value.
7361         (assign_parms): Use new target hook for function_value.
7362         Pass 0 as fntype to hard_function_value.
7363         (expand_function_end): Likewise.
7364         * reg-stack.c: Include target.h.
7365         (stack_result): Use new target hook for function_value.
7366         * target-def.h: New target hook function_value.
7367         * target.h: Likewise.
7368         * targhooks.c (default_function_value): New function.
7369         * targhooks.h (default_function_value): Declare.
7370
7371 2005-07-13  Ian Lance Taylor  <ian@airs.com>
7372
7373         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7374
7375 2005-07-14  Jan Hubicka  <jh@suse.cz>
7376
7377         * tree-dfa.c (dump_variable): Use default_def function.
7378         * tree-ssa-alias.c (dump_points_to_info): Likewise.
7379         * tree-ssa.c (verify_use): Likewise.
7380         * tree-ssanames.c (release_ssa_name): Likewise.
7381         * tree-tailcall.c (eliminate_tail_call): Likewise.
7382         (tree_optimize_tail_calls_1): Likewise.
7383         * tree-vrp.c (get_value_range): Likewise.
7384
7385 2005-07-14  Ben Elliston  <bje@au.ibm.com>
7386
7387         * gcc.c (main): Compare language[0] with '*' when iterating over
7388         the infiles.
7389
7390 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7391
7392         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7393         "s390_emit_compare".  Add handling of CCZ1mode.
7394         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7395         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7396         checking.
7397         (s390_branch_condition_mask): Add CCZ1mode handling.
7398         * config/s390/s390.md: ("seq", "*seq"): New pattern.
7399         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7400         Use CCZ1mode instead of CCZmode.
7401         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
7402
7403 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7404
7405         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7406         pattern.
7407         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7408
7409 2005-07-13  Eric Christopher  <echristo@redhat.com>
7410
7411         * config/mips/mips.c (mips_canonicalize_comparison): New.
7412         (mips_emit_int_relational): Use.
7413
7414 2005-07-13  Eric Christopher  <echristo@redhat.com>
7415
7416         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7417         static extra parts.
7418         * config/s390/s390.md: Include tpf.md. Move tpf specific
7419         patterns...
7420         * config/s390/tpf.md: To here.
7421         * config/s390/s390.opt: Move tpf specific options...
7422         * config/s390/tpf.opt: to here. Add mmain option.
7423         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7424         * config/s390/tpf.h: Rewrite.
7425
7426 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7427
7428         * doc/tm.texi: Remove @xref{Cross-profiling}.
7429
7430 2005-07-13  Jeff Law  <law@redhat.com>
7431
7432         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7433         expressions, test their _DECL operands for pointer equality rather
7434         than using operand_equal_p.
7435
7436 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7437
7438         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7439         (TARGET_POSIX_IO): This.
7440         * config/darwin.h: Likewise.
7441         * config/freebsd.h: Likewise.
7442         * config/linux.h: Likewise.
7443         * config/lynx.h: Likewise.
7444         * config/netbsd.h: Likewise.
7445         * config/rs6000/linux64.h: Likewise.
7446         * config/rs6000/linux.h: Likewise.
7447         * config/s390/tpf.h: Likewise.
7448         * config/sh/embed-elf.h: Likewise.
7449         * config/sparc/linux64.h: Likewise.
7450         * config/sparc/linux.h: Likewise.
7451         * config/svr4.h: Likewise.
7452         * gcov-io.h: Likewise.
7453
7454         * doc/tm.texi: Updated.
7455
7456         * libgcov.c (create_file_directory): Defined only if
7457         TARGET_POSIX_IO is defined.
7458         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7459         is defined.
7460
7461 2005-07-13  Jan Hubicka  <jh@suse.cz>
7462
7463         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7464
7465 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
7466
7467         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7468         structure as argument.
7469
7470 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
7471
7472         PR tree-optimization/21921
7473         * tree-iterator.c (tsi_link_before): Support the case when
7474         tsi_end_p (tsi) == true.
7475
7476 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7477
7478         PR tree-optimization/22442
7479         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7480         correctly.
7481
7482 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7483
7484         PR rtl-optimization/20376
7485         * toplev.c (process_options): Enable -fweb and -frename-registers when
7486         unrolling.
7487         * doc/invoke.texi: Update the information about when -fweb and
7488         -frename-registers are enabled.
7489
7490 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7491
7492         PR tree-opt/21840
7493         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7494         if *rhs_p is not a SSA_NAME.
7495
7496 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
7497
7498         Fix PR tree-optimization/22422
7499         * tree-ssa-structalias.c (struct variable_info): Add flag for
7500         special vars.
7501         (get_varinfo): Now a static function.
7502         (new_varinfo): init has_union and is_special_var to false.
7503         (solution_set_add): Check has_union.
7504         (do_da_constraint): Move temporary variable so it gets reset
7505         properly.
7506         Also check for special variable.
7507         (do_ds_constraint): Ditto.
7508         (do_sd_constraint): Ditto.
7509         (do_structure_copy): Check for special variable.
7510         (find_func_aliases): Ditto.
7511         (init_base_vars): Set special vars properly.
7512
7513 2005-07-13  Jan Hubicka  <jh@suse.cz>
7514
7515         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7516         do unit-at-a-time.
7517
7518         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7519         (get_expr_operands): Fix thinko wrt flags and subvars.
7520
7521         PR tree-optimize/22379
7522         * tree-inline.c (expand_call_inline): Do not output sorry in early
7523         inlining.
7524
7525 2005-07-12  Dale Johannesen  <dalej@apple.com>
7526
7527         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
7528
7529 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7530
7531         PR bootstrap/21704
7532         * host-linux.h: Include limits.h.
7533
7534 2005-07-12  Dale Johannesen  <dalej@apple.com>
7535
7536         * expr.c (compress_float_constant):  Add cost check.
7537         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
7538
7539 2005-07-12  Dale Johannesen  <dalej@apple.com>
7540
7541         * gcc.target/i386/compress-float-sse.c:  New.
7542         * gcc.target/i386/compress-float-sse-pic.c:  New.
7543         * gcc.target/i386/compress-float-387.c:  New.
7544         * gcc.target/i386/compress-float-387-pic.c:  New.
7545         * gcc.dg/compress-float-ppc.c:  New.
7546         * gcc.dg/compress-float-ppc-pic.c:  New.
7547
7548 2005-07-12  Eric Christopher  <echristo@redhat.com>
7549
7550         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7551         static extra parts.
7552         * config/s390/s390.md: Include tpf.md. Move tpf specific
7553         patterns...
7554         * config/s390/tpf.md: To here.
7555         * config/s390/s390.opt: Move tpf specific options...
7556         * config/s390/tpf.opt: to here. Add mmain option.
7557         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7558         * config/s390/tpf.h: Rewrite.
7559
7560 2005-07-12  Eric Christopher  <echristo@redhat.com>
7561
7562         * gcc.c (struct infile): Update comment for language.
7563         (main): Rewrite input file resetting code.
7564
7565 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7566
7567         PR tree-opt/22335
7568         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7569         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
7570         (lookup_avail_expr): Use constant_boolean_node instead
7571         of boolean_false_node/boolean_true_node.
7572
7573 2005-07-12  Ben Elliston  <bje@au.ibm.com>
7574
7575         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7576         and use it when printing num_edges.
7577
7578 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7579
7580         * doc/extend.texi (Blackfin Built-in Functions): New section.
7581         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7582         @opindex.
7583
7584 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
7585
7586         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7587         s/cmpstrsi/cmpstrnsi
7588         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7589         'cmpstrnsi'.
7590         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7591         (init_optabs): Initialize cmpstrn_optab.
7592         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7593         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7594         * expr.c: (enum insn_code cmpstrn_optab): Declare.
7595         * config/i386/i386.md: s/cmpstr/cmpstrn
7596         * config/c4x/c4x.md: s/cmpstr/cmpstrn
7597         * doc/md.texi: Update documentation.
7598
7599 2005-07-11  Richard Henderson  <rth@redhat.com>
7600
7601         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7602         build_va_arg_indirect_ref.
7603         (alpha_gimplify_va_arg): Likewise.
7604         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7605         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7606         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7607         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7608         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7609         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7610         Likewise.
7611         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7612
7613 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7614
7615         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7616         * passes.c (init_optimization_passes): Add pass_empty_loop.
7617         * tree-pass.h (pass_empty_loop): Declare.
7618         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7619         try_remove_empty_loop, remove_empty_loops): New functions.
7620         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7621         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7622
7623 2005-07-12  Peter Barada  <peter@the-baradas.com>
7624
7625         PR middle-end/16719
7626         PR middle-end/18421
7627         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7628         in address registers.
7629         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7630         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7631         alternative of addsi3_5200.
7632
7633 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7634
7635         * config/mips/mips.md (ffs<mode>2): Remove.
7636
7637 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7638
7639         * doc/tree-ssa.texi (Cleanups): Improve description of
7640         TRY_FINALLY_EXPR.
7641         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7642
7643 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7644
7645         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7646         * tree.h (DECL_ARGUMENT_FLD): New macro.
7647
7648 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7649
7650         Fix PR tree-optimization/22404
7651
7652         * tree-ssa-structalias.c (create_variable_info_for): Use
7653         correct offset.
7654
7655 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7656
7657         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7658         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7659         for second comparison operand.
7660         * config/bfin/predicates.md (reg_or_const_int_operand): New.
7661
7662         * config/bfin/bfin.md (define_attr "type"): Add "sync".
7663         (define_insn_reservation "alu"): Likewise.
7664         (csync, ssync): Now of type sync.
7665         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7666         -mcsync-anomaly -mspecld-anomaly.
7667         * config/bfin/bfin.opt (mcsync): Remove.
7668         (mcsync-anomaly, mspecld-anomaly): Add.
7669         * config/bfin/bfin.c: Include "insn-codes.h".
7670         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7671         (TARGET_DEFAULT_TARGET_FLAGS): New.
7672         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7673
7674 2005-07-11  Steven Bosscher  <stevenb@suse.de>
7675
7676         * basic-block.h: Give the BB flags enum a name, bb_flags.
7677         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7678         * cfgcleanup.c (enum bb_flags): Remove here.
7679         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7680         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7681         (update_forwarder_flag): Likewise.
7682         (thread_jump): Likewise.
7683         (try_forward_edges): Likewise.
7684         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
7685         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
7686         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7687
7688 2005-07-11  Richard Guenther  <rguenther@suse.de>
7689
7690         * config/i386/i386.opt: New target option -msseregparm.
7691         * config/i386/i386.c (override_options): Error out for
7692         -msseregparm but no SSE support.
7693         (ix86_function_sseregparm): Check for global sseregparm.
7694         * doc/invoke.texi: Document -msseregparm.
7695
7696 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7697
7698         * config.gcc (m32r-*-linux*): Use the default extra_parts.
7699         (m32rle-*-linux*): Ditto.
7700
7701 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
7702
7703         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7704         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7705         bytes.
7706
7707 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7708
7709         PR middle-end/22239
7710         PR target/20126
7711         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7712         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7713
7714 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
7715
7716         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7717         (varmap): Heapify varmap.
7718         (constraints): Heapify constraints.
7719         (struct constraint_graph): Heapify succs and preds.
7720         (constraint_vec_find): Update for heapification.
7721         (constraint_set_union): Ditto.
7722         (insert_into_complex): Ditto.
7723         (constraint_edge_vec_find): Ditto.
7724         (erase_graph_self_edge): Ditto.
7725         (add_graph_edge): Ditto.
7726         (get_graph_weights): Ditto.
7727         (merge_graph_nodes): Ditto.
7728         (build_constraint_graph): Ditto.
7729         (topo_visit): Ditto.
7730         (solve_graph): Ditto.
7731         (create_variable_info_for): Ditto.
7732         (init_base_vars): Ditto.
7733         (delete_points_to_sets): Free graph, varmap, and complex constraints.
7734         (condese_varmap_nodes): Free complex vector.
7735         (clear_edges_for_node): Clear succs and preds vector.
7736
7737 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7738
7739         * tree-ssa-structalias.c (update_alias_info): Change counting of
7740         references to not include vdefs.
7741
7742 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7743
7744         * tree-ssa-alias.c (free_used_part_map): Add missing free.
7745         (up_insert): Ditto.
7746
7747 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7748
7749         * pa.c (pa_commutative_p): Make PLUS commutative when
7750         TARGET_NO_SPACE_REGS is true.
7751
7752 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7753
7754         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7755         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7756         * tree-dfa.c (dump_subvars_for): New.
7757         (debug_subvars_for): New.
7758         (dump_variable): Show subvariables if VAR has them.
7759         * tree-flow-inline.h (get_subvar_at): New.
7760         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7761         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7762         Update all users.
7763         (struct subvar): Change fields offset and size to unsigned
7764         HOST_WIDE_INT.
7765         (dump_subvars_for): Declare.
7766         (debug_subvars_for): Declare.
7767         (get_subvar_at): Declare.
7768         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7769         to unsigned HOST_WIDE_INT *.
7770         (overlap_subvar): Likewise.
7771         * tree-gimple.c (is_gimple_reg): Always return false for
7772         SFTs and memory tags.
7773         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7774         Update all callers.
7775         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7776         (compute_may_aliases): Call compute_points_to_sets.
7777         (collect_points_to_info_for): Remove.
7778         (compute_points_to_and_addr_escape): Remove.
7779         (delete_alias_info): Call delete_points_to_sets.
7780         (compute_flow_sensitive_aliasing): If the call to
7781         find_what_p_points_to returns false, call set_pt_anything.
7782         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7783         (set_pt_anything): Clear pi->pt_vars.
7784         (set_pt_malloc): Remove.
7785         (merge_pointed_to_info): Remove.
7786         (add_pointed_to_expr): Remove.
7787         (add_pointed_to_var): Remove.
7788         (collect_points_to_info_r): Remove.
7789         (is_escape_site): Make extern.
7790         (create_sft): New.
7791         (create_overlap_variables_for): Call it.
7792         * tree-ssa-copy.c (merge_alias_info): Never merge
7793         flow-sensitive alias information.
7794         * tree-ssa-operands.c (get_expr_operands): Adjust variables
7795         offset and size to be unsigned HOST_WIDE_INT.
7796         (add_to_addressable_set): Rename from note_addressable.
7797         Set TREE_ADDRESSABLE as the variables are added to the set.
7798         Update all users.
7799         (add_stmt_operand): Do not try to micro-optimize unmodifiable
7800         operands into VUSEs when adding V_MAY_DEFs for members in an
7801         alias set.
7802         * tree-ssa-operands.h (add_to_addressable_set): Declare.
7803         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7804         (struct variable_info): Add bitfield is_heap_var.
7805         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7806         (new_var_info): Initialize is_heap_var.
7807         (get_constraint_for): Add HEAP variables to the symbol table.
7808         Mark them with is_heap_var.
7809         (update_alias_info): New.  Taken mostly from the old
7810         compute_points_to_and_addr_escape.
7811         (handle_ptr_arith): New.
7812         (find_func_aliases): Call update_alias_info.
7813         Call handle_ptr_info for tcc_binary expressions.
7814         Call mark_stmt_modified.
7815         (create_variable_info_for): If DECL has subvars, do not create
7816         variables for its subvars.  Always add all the fields.
7817         (set_uids_in_ptset): If the solution includes ANYOFFSET and
7818         SFTs, then add all the SFTs of the structure.
7819         If VI->DECL is an aggregate with subvariables, add the SFT at
7820         VI->OFFSET.
7821         (find_what_p_points_to): If VI is an artificial variable,
7822         translate to bitfields in SSA_NAME_PTR_INFO.
7823         If the solution is empty, set pi->pt_vars to NULL
7824         (init_base_vars): Create ANYOFFSET.
7825         (compute_points_to_sets): Rename from create_alias_vars.
7826         Make extern.
7827         (pass_build_pta): Remove.
7828         (delete_points_to_sets): Rename from delete_alias_vars.
7829         (pass_del_pta): Remove.
7830         * tree-ssa-structalias.h (struct alias_info): Move from
7831         tree-ssa-alias.h.
7832         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7833         NUM_REFERENCES_SET): Likewise.
7834         (compute_points_to_sets, delete_points_to_sets): Declare.
7835
7836 2005-07-09  Richard Henderson  <rth@redhat.com>
7837
7838         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7839         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7840         alpha_split_lock_test_and_set_12): New functions.
7841         * config/alpha/alpha-protos.h: Update.
7842         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7843         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7844         * config/alpha/sync.md (I12MODE): New.
7845         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7846         (sync_<fetchop_name><I48MODE>): Likewise.
7847         (sync_nand<I48MODE>): Likewise.
7848         (sync_old_<fetchop_name><I48MODE>): Likewise.
7849         (sync_new_<fetchop_name><I48MODE>): Likewise.
7850         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7851         (sync_compare_and_swap<I48MODE>): Likewise.
7852         (sync_lock_test_and_set<I48MODE>): Likewise.
7853         (sync_compare_and_swap<I12MODE>): New.
7854         (sync_compare_and_swap<I12MODE>_1): New.
7855         (sync_lock_test_and_set<I12MODE>): New.
7856         (sync_lock_test_and_set<I12MODE>_1): New.
7857
7858 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7859
7860         PR 21356
7861         PR 22332
7862         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7863
7864 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
7865
7866         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7867         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7868
7869 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
7870
7871         PR target/21656
7872         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7873
7874 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
7875
7876         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7877         memory_operand constraint.
7878         (store_conditional_<mode>): Same.
7879         (sync_compare_and_swap<mode>): Same.
7880         (sync_lock_test_and_set<mode>): Same.
7881
7882 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
7883
7884         Rewrite PIC support to more closely model actual instructions.
7885         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7886         (cris_symbol): Remove prototypes for removed functions.
7887         (cris_pic_symbol_type_of, cris_valid_pic_const)
7888         (cris_expand_pic_call_address): Prototypes for new functions.
7889         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7890         variable.
7891         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7892         modifiers.
7893         <case ':'>: Add case for new punctuation character.
7894         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7895         emitting (extra) PIC modifier.
7896         <case UNSPEC>: Do not assert for PLT.
7897         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7898         (cris_expand_prologue, cris_expand_epilogue): Check
7899         for pic_offset_table_rtx usage instead of taking
7900         current_function_uses_pic_offset_table as the final word.
7901         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7902         Remove flag_pic difference.
7903         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7904         the moral equivalents of...
7905         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7906         functions.
7907         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7908         (cris_handle_option): Mark ARG as unused.
7909         (cris_expand_pic_call_address): New worker function for "call",
7910         "call_value".
7911         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7912         output PIC constructs here.
7913         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7914         as symbol-specific modifers, not whole or part of operands.
7915         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7916         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7917         constants and flag_pic.
7918         (CONSTANT_INDEX_P): Adjust for new functions.
7919         (enum cris_pic_symbol_type): New helper type.
7920         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7921         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7922         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7923         define_constants.
7924         ("movsi"): Emit actual instructions for GOT and relative access.
7925         ("*movsi_got_load"): New pattern to set up the register holding
7926         the GOT pointer.
7927         ("*movsi_internal"): Operand 1 is not a plain general_operand.
7928         Adjust FIXME for 'S'.
7929         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7930         Use "movs" for -fpic cases.
7931         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7932         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7933         ("call", "call_value"): Just call cris_expand_pic_call_address for
7934         PIC addresses.
7935         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7936         Remove special pattern.
7937         ("*expanded_call_side", "*expanded_call_value_side"): New
7938         patterns.
7939         (gotplt-to-plt, gotplt-to-plt-side-call)
7940         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7941         peephole2:s.
7942         * config/cris/cris/predicates.md
7943         ("cris_general_operand_or_gotless_symbol"): Remove unused
7944         predicate.
7945         ("cris_general_operand_or_symbol"): Adjust for new functions.
7946
7947 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7948
7949         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7950
7951 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
7952
7953         * Makefile.in (TREE_H): Add treestruct.def.
7954         (c-decl.o): Add pointer-set.h
7955         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7956         visibility on regular DECL's.
7957         (merge_decls): Fix the copying of decl nodes of various types for
7958         the new structures.  Don't update RTL, section name, weak status,
7959         etc, on DECL's without RTL.
7960         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7961         Don't check volatile on non-variable types.
7962         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7963         to check whether we have seen arguments.
7964         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7965         flag is checked before field (flag is common, field is not).
7966         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
7967         TS_DECL_COMMON could have an origin.
7968         (add_location_or_const_value_attribute): Don't check section name
7969         on non-var/function decls.
7970         (dwarf2out_var_location): Reverse order of tests.
7971         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7972         with DECL_WRTL_CHECK.
7973         * expmed.c (make_tree): rtl is now in decl_with_rtl.
7974         * fold-const.c (fold_binary): Don't check weakness on
7975         non-var/function decls.
7976         (tree_expr_nonzero_p): Ditto.
7977         (fold_checksum_tree): Use tree_decl_extra as sizeof
7978         buffer.
7979         * ggc-page.c (extra_order_size_table): Add sizes for
7980         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
7981         tree_field_decl.
7982         * gimplify.c (gimplify_bind_expr): Only set
7983         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7984         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7985         without RTL.
7986         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7987         * langhooks.h (init_ts). New langhook.
7988         * passes.c (rest_of_decl_compilation): Reverse order of tests.
7989         * print-tree.c (print_node): Update to only print fields that
7990         exist in the structures the passed decl has.
7991         * toplev.c (wrapup_global_declarations): Don't reset
7992         DECL_DEFER_OUTPUT on DECL's that don't contain it.
7993         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7994         * tree-inline.c (remap_decl): Ditto.
7995         * tree-outof-ssa.c (create_temp): Reverse order of tests.
7996         * tree-pretty-print.c (print_declaration): Don't print
7997         DECL_REGISTER on things that don't contain it.
7998         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7999         non-var/function decls.
8000         * tree.c (tree_contains_struct): New structure.
8001         (init_priority_for_decl): New hashtable.
8002         (tree_int_map): New structure.
8003         (tree_int_map_eq): New function.
8004         (tree_int_map_marked_p): Ditto.
8005         (tree_int_map_hash): Ditto.
8006         (tree_map): Move to tree.h.
8007         (tree_map_eq): Externalize.
8008         (tree_map_hash): Ditto.
8009         (tree_map_marked_p): Ditto.
8010         (init_ttree): Set up tree_contains_struct and call langhook.
8011         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8012         (tree_code_size): Update for new structures.
8013         (tree_node_structure): Update for new structures.
8014         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8015         without the field.
8016         (copy_node_stat):  Copy init priority.
8017         (build_decl_stat): Ditto for visibility.
8018         (ts_enum_names): New.
8019         (tree_contains_struct_check_failed): New function.
8020         (decl_init_priority_lookup): Ditto.
8021         (decl_init_priority_insert): Ditto.
8022         * treestruct.def: New file.
8023         * tree.h (CODE_CONTAINS_STRUCT): New macro.
8024         (CONTAINS_STRUCT_CHECK): Ditto.
8025         (tree_contains_struct_check_failed): New prototype.
8026         (DECL_CHECK): Removed.
8027         (DECL_MINIMAL_CHECK): New.
8028         (DECL_COMMON_CHECK): Ditto.
8029         (DECL_WRTL_CHECK): Ditto.
8030         (DECL_NON_COMMON_CHECK): Ditto.
8031         (DECL_WITH_VIS_CHECK): Ditto.
8032         (VAR_OR_FUNCTION_DECL_P): Ditto
8033         (struct tree_decl_minimal): New structure.
8034         (struct tree_decl_common): Ditto.
8035         (struct tree_decl_with_rtl): Ditto.
8036         (struct tree_decl_with_vis): Ditto.
8037         (struct tree_decl_non_common): Ditto.
8038         (struct tree_field_decl): Ditto.
8039         (struct tree_parm_decl): Ditto.
8040         (struct tree_var_decl): Ditto.
8041         (struct tree_function_decl): Ditto.
8042         (struct tree_const_decl): Ditto.
8043         (struct tree_result_decl): Ditto.
8044         (union tree_node): Add new structures.
8045         * var-tracking.c (track_expr_p): Reverse order of tests.
8046
8047         * doc/c-tree.texi: Add documentation on DECL node internal structure.
8048
8049 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
8050
8051         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8052         * system.h: Poison FINALIZE_PIC.
8053         * doc/tm.texi (FINALIZE_PIC): Remove.
8054
8055 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8056
8057         PR tree-opt/22329
8058         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8059         to the correct type if we have a MODIFY_EXPR.
8060
8061 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
8062
8063         PR tree-optimization/22360
8064         * tree.c (upper_bound_in_type): Fix calculations for casting
8065         to a non-wider signed type and casting a signed value to a
8066         wider unsigned type.
8067         (lower_bound_in_type): Fix calculations for casting to a
8068         non-wider signed type.
8069
8070         PR tree-optimization/20139
8071         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8072         release_defs.
8073         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8074         fold_cond_expr_cond.
8075         * tree-ssanames.c (release_defs): Assert in_ssa_p.
8076         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8077
8078 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8079
8080         PR tree-opt/22356
8081         * tree-complex.c (expand_complex_libcall): Produce
8082         REALPART_EXPR/IMAGPART_EXPR with the correct type.
8083
8084 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
8085
8086         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8087         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8088         b" assert and inserted fastpath code for this case.
8089         (bitmap_ior): Removed "a != b" assert.
8090
8091 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8092
8093         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8094         (ENDFILE_SPEC): Likewise.
8095         * config/m32r/m32r.h (ASM_SPEC): Likewise.
8096
8097         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8098         a large stack frame at epilogue.
8099
8100 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
8101
8102         * final.c: Include sdbout.h when required.
8103
8104 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
8105
8106         * config.gcc (*-*-darwin*): Only one target-specific header file
8107         for generic darwin.
8108         (powerpc-*-darwin*): Add version-specific header files.
8109         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8110         * config.in: Regenerate.
8111         * configure: Regenerate.
8112         * gcc.c: Include xregex.h.
8113         (version_compare_spec_function): New.
8114         (spec_function): Add version-compare.
8115         (replace_outfile_spec_function): Reformat comment.
8116         (compare_version_strings): New.
8117         * config/darwin-c.c (version_as_macro): New.
8118         (builtin_define): New.
8119         (darwin_cpp_builtins): New.
8120         * config/darwin-protos.h (darwin_cpp_builtins): New.
8121         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8122         (LIB_SPEC): Make unconditional, update comment.
8123         (TARGET_C99_FUNCTIONS): Define.
8124         * config/darwin.opt: Sort.
8125         (mmacosx-version-min=): New.
8126         * config/darwin7.h: Delete.
8127         * config/darwin8.h: Delete.
8128         * config/i386/darwin.h (): Call darwin_cpp_builtins.
8129         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8130         (TARGET_C99_FUNCTIONS): Define.
8131         * config/rs6000/darwin7.h: New.
8132         * config/rs6000/darwin8.h: New.
8133         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8134         (-mmacosx-version-min): Document.
8135
8136 2005-07-07  Ian Lance Taylor  <ian@airs.com>
8137
8138         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8139
8140 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
8141
8142         PR middle-end/22239
8143         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8144
8145 2005-07-07  Khem Raj  <kraj@mvista.com>
8146
8147         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8148         in bytes, not words.
8149
8150 2005-07-07  Paul Brook  <paul@codesourcery.com>
8151
8152         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8153         DEFAULT_FUNCTION_ARG_PADDING to upward.
8154
8155 2005-07-07  Richard Henderson  <rth@redhat.com>
8156
8157         * function.c (locate_and_pad_parm): Record parameter alignment in
8158         stack_alignment_needed.
8159
8160 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
8161
8162         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8163         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8164         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8165         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8166         (define_attr "type"): Add isync, sync, load_l, store_c.
8167         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8168         Create scratch volatile MEM.
8169         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
8170         sync.
8171         (load_locked_<mode>): New.
8172         (store_conditional_<mode>): New.
8173         (sync_compare_and_swap<mode>): Replace with splitter.
8174         (sync_lock_test_and_set<mode>): Replace with splitter.
8175         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8176         and UNSPECV_ISYNC.
8177         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
8178         is ics.  Attribute isync.
8179         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
8180         lwsync.
8181         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8182         and UNSPECV_SYNC_OP.
8183         (emit_unlikely_jump): New.
8184         (emit_load_locked): New.
8185         (emit_store_conditional): New.
8186         (rs6000_split_compare_and_swap): New.
8187         (rs6000_split_lock_test_and_set): New.
8188         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8189         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8190         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8191         rs6000_split_lock_test_and_set): Declare.
8192         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8193         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8194         store_c, isync, sync.
8195
8196 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
8197
8198         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8199         filenames to gtyp-gen.h.
8200         (s-typ-gen): Use it in place of for loops.
8201
8202 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
8203
8204         * hooks.c (hook_bool_rtx_int_false): New function.
8205         * hooks.h (hook_bool_rtx_int_false): Declare.
8206         * target-def.h (TARGET_COMMUTATIVE_P): Define.
8207         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8208         * target.h (struct gcc_target): Add commutative_p member.
8209         * targhooks.c (hook_bool_rtx_commutative_p): New function.
8210         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8211         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8212         (pa_commutative_p): New function.
8213         * jump.c (target.h): Include.
8214         (rtx_renumbered_equal_p): Use targetm.commutative_p.
8215         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8216
8217 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8218
8219         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8220         (s390_expand_setmem): New.
8221         * config/s390/s390.c: Likewise.
8222         (print_shift_count_operand): Truncate to 12 bits instead of 6.
8223         Adapt comments.
8224         * config/s390/s390.md: ("setmem<mode>"): Accept character as
8225         general_operand.  Call new function "s390_expand_setmem".
8226         ("clrmem_long", "*clrmem_long"): Rewrite to ...
8227         ("setmem_long", "*setmem_long"): ... this.
8228
8229 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8230
8231         * config/s390/s390.c: (optimization_options): Enable
8232         TARGET_MVCLE at -Os.
8233         * doc/invoke.texi: Document changes in default behaviour.
8234         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8235
8236 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8237
8238         * expr.c: (set_storage_via_setmem): Convert opchar to mode
8239         defined by back-end.
8240
8241 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
8242
8243         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8244         all sets in the pattern.
8245         * config/rs6000/rs6000.md (stack_protect_testsi,
8246         stack_protect_testdi): Likewise.
8247
8248 2005-07-06  Jeff Law  <law@redhat.com>
8249
8250         * tree-vrp.c (simplify_using_ranges): Kill.
8251         (vrp_finalize): Remove call to simplify_using_ranges.
8252         (simplify_stmt_using_ranges): New function extracted from
8253         simplify_using_ranges.
8254         (simplify_div_or_mod_using_ranges): Likewise.
8255         (simplify_abs_using_ranges): Likewise.
8256         (simplify_cond_using_ranges): New function.
8257         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8258         * tree-ssa-propagate.c (substitute_and_fold): Call
8259         simplify_stmt_using_ranges if we have range information.
8260
8261 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
8262
8263         * config/ia64/ia64.c (ia64_reorg): Check optimize before
8264         ia64_flag_schedule_isns2.
8265
8266         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8267         reading/writing general registers.
8268         (ia64_function_arg): Revert 2005-06-18 change.
8269
8270 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8271
8272         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8273         (legitimize_tls_address): Use gcc_unreachable instead of abort.
8274
8275 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
8276
8277         * function.c (expand_function_end): Revert part of 2005-06-27
8278         patch.  Do sjlj_emit_function_exit_after after return_label.
8279
8280 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8281
8282         * doc/install.texi (--disable-libssp): New.
8283
8284 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
8285
8286         * doc/invoke.texi: Update -fforce-mem documentation.
8287         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8288         code for -fforce-mem.
8289         * expmed.c: (store_bit_field,store_fixed_bit_field,
8290         extract_bit_field): Ditto.
8291         * expr.c: (convert_move): Ditto.
8292         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8293         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8294         emit_conditional_add,expand_float,expand_fix): Ditto.
8295         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8296         (common_handle_option): Issue warning when -fforce-mem specified.
8297
8298 2005-07-06  Paul Brook  <paul@codesourcery.com>
8299
8300         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8301         argument is empty.
8302         * configure: Regenerate.
8303
8304 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
8305
8306         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8307
8308 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
8309
8310         Fix PR tree-optimization/22319
8311         Fix PR tree-optimization/22140
8312         Fix PR tree-optimization/22310
8313
8314         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8315         variable sized types.
8316         Use correct type for intermediate structure on *a = *b structure
8317         copies.
8318
8319 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8320
8321         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8322         Remove.
8323         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8324         (machine_function): Move typedef to...
8325         * config/rs6000/rs6000.c (machine_function): ... here.  Add
8326         varargs_save_offset field.
8327         (rs6000_stack_t): Remove varargs_size field.
8328         (setup_incoming_varargs): Allocate varargs save area using
8329         assign_stack_local, try to make it as small as possible.
8330         Save offset from virtual_stack_vars_rtx to the save area
8331         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
8332         instead of magic 8 when fp word byte size is used.
8333         (rs6000_va_start): Use cfun->machine->varargs_save_offset
8334         instead of -RS6000_VARARGS_SIZE.
8335         (rs6000_stack_info, debug_stack_info,
8336         rs6000_initial_elimination_offset): Remove all traces of
8337         varargs_size.
8338         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8339         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8340         RS6000_VARARGS_AREA.
8341
8342 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
8343
8344         PR tree-optimization/21963
8345         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8346         constant_multiple_of in the same way get_computation_cost_at does.
8347
8348 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8349
8350         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8351         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8352         (gen_compare_reg): If sparc_compare_emitted is set, clear it
8353         and return its previous value.
8354         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8355         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8356         constants.
8357         (stack_protect_set, stack_protect_test): New expanders.
8358         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8359         stack_protect_testdi): New insns.
8360         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8361         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8362
8363 2005-07-06  Jeff Law  <law@redhat.com>
8364
8365         * tree-ssa-dce.c (cfg_altered): New global.
8366         (tree_dce_init): Initialize cfg_altered.
8367         (remove_dead_stmt): If we remove an edge in the CFG, then set
8368         CFG_ALTERED.
8369         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8370         the dominators.
8371
8372 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8373
8374         * Makefile.in (stamp-collect-ld): Use
8375         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
8376         ./collect-ld if it already exists.
8377         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8378         Don't remove ./nm if it already exists.
8379
8380 2005-07-05  Devang Patel  <dpatel@apple.com>
8381
8382         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8383         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8384         * tree-vectorizer.c (vect_loop_location): New.
8385         (vect_print_dump_info): Use vect_loop_location.
8386         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8387         (vectorize_loops): Set vect_loop_location.
8388         * tree-vect-analyze.c (vect_analyze_offset_expr,
8389         vect_determin_vectorization_factor, vect_analyze_operations,
8390         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8391         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8392         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8393         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8394         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8395         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8396         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8397         vect_analyze_loop): Adjust vect_print_dump_info API.
8398         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8399         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8400         vect_finish_stmt_generation, vectorizable_assignment,
8401         vectorizable_operation, vectorizable_store, vectorizable_load,
8402         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8403         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8404         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8405         vect_transform_loop): Same.
8406         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8407         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8408         Same.
8409
8410 2005-07-05  Randolph Chung  <tausq@debian.org>
8411
8412         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8413         * configure: Regenerate.
8414         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8415         (pa_tls_referenced_p): Declare.
8416         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8417         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8418         (legitimize_tls_address): New.
8419         (hppa_legitimize_address): Handle TLS addresses.
8420         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8421         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8422         (emit_move_sequence): Handle TLS addresses.
8423         (pa_encode_section_info): Call default handler to handle common
8424         sections.
8425         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8426         (CONSTANT_ADDRESS_P): Reject TLS operands.
8427         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8428         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8429         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8430         (UNSPEC_TLSLE): Define new constants.
8431         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8432         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8433         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8434         (tie_symbolic_operand, tle_symbolic_operand): New
8435
8436 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
8437
8438         * aclocal.m4: Update macros for autoconf 2.59 style.
8439         * configure.ac: Likewise.
8440
8441 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8442
8443         * pa.c (function_value): Handle small aggregates on 32-bit targets.
8444         (function_arg): Pass small aggregates in general registers on 32-bit
8445         targets.
8446         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8447
8448 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
8449
8450         * Makefile.in (final.o): Fix dependencies.
8451
8452 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8453
8454         PR c/22013
8455         PR c/22098
8456         * langhooks.h (struct lang_hooks): Add expr_to_decl.
8457         * langhooks.c (lhd_expr_to_decl): New.
8458         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8459         New.
8460         (LANG_HOOKS_INITIALIZER): Update.
8461         * tree.c (recompute_tree_invarant_for_addr_expr): Call
8462         expr_to_decl langhook.
8463         * c-tree.h (c_expr_to_decl): Declare.
8464         * c-typeck.c (c_expr_to_decl): New.
8465         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8466         specially.
8467         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8468
8469 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8470
8471         PR c/22308
8472         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8473         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8474
8475 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
8476
8477         * Makefile.in: Adjust dependencies.
8478         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8479         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8480         * alias.c (rest_of_handle_cfg, pass_cfg): New.
8481         * bb-reorder.c (duplicate_computed_gotos): Make it static.
8482         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8483         rest_of_compilation.
8484
8485         * bb-reorder.c (gate_duplicate_computed_gotos,
8486         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8487         rest_of_handle_reorder_blocks, pass_reorder_blocks,
8488         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8489         pass_partition_blocks): New.
8490         * bt-load.c (gate_handle_branch_target_load_optimize,
8491         rest_of_handle_branch_target_load_optimize,
8492         pass_branch_target_load_optimize): New.
8493         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8494         pass_jump2): New.
8495         * cfglayout.c (pass_insn_locators_initialize): New.
8496         * cfgrtl.c (pass_free_cfg): New.
8497         * combine.c (gate_handle_combine, rest_of_handle_combine,
8498         pass_combine): New.
8499         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8500         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8501         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8502         * except.c (pass_set_nothrow_function_flags,
8503         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8504         pass_rtl_eh): New.
8505         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8506         rest_of_handle_shorten_branches, pass_shorten_branches,
8507         rest_of_clean_state, pass_clean_state): New.
8508         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8509         rest_of_handle_remove_death_notes, pass_remove_death_notes,
8510         rest_of_handle_life, pass_life, rest_of_handle_flow2,
8511         pass_flow2): New.
8512         * function.c (pass_instantiate_virtual_regs, pass_init_function,
8513         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8514         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8515         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8516         pass_gcse): New.
8517         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8518         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8519         pass_rtl_ifcvt, gate_handle_if_after_combine,
8520         rest_of_handle_if_after_combine, pass_if_after_combine,
8521         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8522         pass_if_after_reload): New.
8523         * integrate.c (pass_initial_value_sets): New.
8524         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8525         pass_purge_lineno_notes): New.
8526         * mode-switching.c (rest_of_handle_mode_switching,
8527         pass_mode_switching): New.
8528         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8529         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8530         pass_loop2): New.
8531         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8532         pass_loop_optimize): New.
8533         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8534         pass_sms): New.
8535         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8536         pass_gcse2): New.
8537         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8538         pass_postreload_cse): New.
8539         * profile.c (gate_handle_profiling, pass_profiling,
8540         rest_of_handle_branch_prob, pass_branch_prob): New.
8541         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8542         pass_split_before_regstack, gate_handle_split_before_regstack,
8543         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8544         rest_of_handle_split_all_insns, pass_split_all_insns): New.
8545         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8546         pass_stack_regs): New.
8547         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8548         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8549         pass_stack_adjustments): New.
8550         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8551         pass_regrename): New.
8552         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8553         pass_delay_slots, gate_handle_machine_reorg,
8554         rest_of_handle_machine_reorg, pass_machine_reorg): New.
8555         * rtl.h (extern void purge_line_number_notes): New.
8556         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8557         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8558         pass_sched2): New.
8559         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8560         pass_tracer): New.
8561         * value-prof.c (gate_handle_value_profile_transformations,
8562         rest_of_handle_value_profile_transformations,
8563         pass_value_profile_transformations): New.
8564         * var-tracking.c (gate_handle_var_tracking,
8565         pass_variable_tracking): New.
8566         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8567
8568         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8569         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8570         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8571         rest_of_handle_old_regalloc, rest_of_handle_regrename,
8572         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8573         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8574         rest_of_handle_gcse2, rest_of_handle_regmove,
8575         rest_of_handle_tracer, rest_of_handle_if_conversion,
8576         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8577         rest_of_handle_web, rest_of_handle_branch_prob,
8578         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8579         rest_of_handle_jump_bypass, rest_of_handle_combine,
8580         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8581         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8582         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8583         rest_of_handle_mode_switching, rest_of_handle_jump,
8584         rest_of_handle_eh, rest_of_handle_stack_adjustments,
8585         rest_of_handle_flow2, rest_of_handle_jump2,
8586         rest_of_handle_peephole2, rest_of_handle_postreload,
8587         rest_of_handle_shorten_branches, rest_of_clean_state,
8588         rest_of_compilation): Remove.
8589
8590         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8591         * passes.c (dump_flags, in_gimple_form, all_passes,
8592         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8593         register_dump_files, next_pass_1, last_verified, execute_todo,
8594         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8595         from tree-optimize.c.
8596         (init_optimization_passes): Moved from tree-optimize.c,
8597         adding the RTL optimizations.
8598         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8599         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8600         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8601         register_dump_files, next_pass_1, last_verified, execute_todo,
8602         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8603         init_tree_optimization_passes, ipa_passes): Delete.
8604         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8605         the RTL dumps.
8606         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8607         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8608         from tree.h.
8609         (ipa_passes): Remove.
8610         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8611         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8612         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8613         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8614         (dump_info_p, dump_flag): Moved to tree-dump.h.
8615
8616         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8617         cgraph.c, opts.c.
8618         * passes.c (finish_optimization_passes): Use dump_begin
8619         and dump_end, TDI_end.
8620         (gate_rest_of_compilation): New.
8621         (pass_rest_of_compilation): Use it.
8622         (gate_postreload, pass_postreload): New.
8623         * toplev.c (general_init): Rename init_tree_optimization_passes.
8624         * toplev.h (init_tree_optimization_passes): Rename to
8625         init_optimizations_passes.
8626         * tree-dump.c (dump_flag): Make static.
8627         (dump_files): Remove RTL dumps.
8628         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8629         pass_cleanup_cfg, pass_free_cfg_annotations,
8630         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8631         pass_init_datastructures, pass_fixup_cfg): Make non-static.
8632         * tree-pretty-print.c: Include tree-pass.h.
8633         * cgraph.c: Include tree-dump.h.
8634
8635 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8636
8637         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8638         Only fall back to saying it points to readonly memory if
8639         we can't do better.
8640
8641 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8642
8643         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8644         * config/m32r/m32r.c (m32r_compute_frame_size,
8645         m32r_expand_prologue): Take current_function_profile into
8646         account whenever we reference
8647         current_function_uses_pic_offset_table.
8648         (m32r_finalize_pic): Remove.
8649         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8650
8651 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
8652
8653         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8654         instead of $<.  Don't remove ./as if it already exists.
8655
8656 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8657
8658         PR target/21723
8659         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8660         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8661         for complex modes when generating code for PA 1.0.
8662         (VALID_FP_MODE_P): New macro.
8663         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8664         sets for all general and floating point modes.  Align wide floating
8665         point modes to even register boundaries to comply with architectural
8666         requirements.
8667         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8668         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8669         (VALID_FP_MODE_P): New macro.
8670         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8671         sets for all general and floating point modes.  Align wide floating
8672         point modes to even register boundaries to comply with architectural
8673         requirements.
8674
8675 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8676
8677         * tree-dump.c (dump_files): Initialize dump number for .cgraph
8678         to 0.
8679
8680 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8681
8682         * tree-ssa-structalias.c: Don't include expr.h.
8683
8684 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8685
8686         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8687         comments.
8688
8689 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8690
8691         Fix PR tree-optimization/22279
8692
8693         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8694         correct operator.
8695
8696 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
8697
8698         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8699
8700 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8701
8702         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8703         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8704         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8705         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8706         config/stormy16/stormy16.c, config/v850/v850.c,
8707         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8708         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8709         Avoid "." or "\n" at end of diagnostics and capital letters at
8710         start of diagnostics.
8711         * combine.c, cse.c: Don't translate dump file output.
8712         * toplev.c (print_version): Only translate output if going to
8713         stderr.
8714
8715 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8716
8717         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8718         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8719         typos.
8720
8721 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8722
8723         * pa.c (fix_range): Fix typo in comment.
8724
8725 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8726
8727         * tree-vrp.c (extract_range_from_assert): Replace
8728         fold (build (...)) with fold_build2.
8729
8730 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8731
8732         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8733         gcc_gfc_char_table, init_dynamic_gfc_info): New.
8734         (format_types_orig, handle_format_attribute): Add support for
8735         format "gcc_gfc".
8736
8737 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8738
8739         * varasm.c (assemble_variable): Fix format specifier thinko.
8740
8741 2005-07-03  Ira Rosen  <irar@il.ibm.com>
8742
8743         PR tree-optimization/22029 (and 22135)
8744         * tree-pretty-print.c (dump_generic_node): Check that the node is not
8745         a phi node before calling dump_vops.
8746
8747 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8748
8749         * tree-dump.h (dump_string_field): Declare.
8750         * tree-dump.c: Use it instead of dump_string.
8751         (dump_string_field): Make non-static.
8752
8753 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8754
8755         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8756         up the minimal CFG stuff always when optimize > 0.  Call
8757         split_all_insns_noflow in PIC case if needed.
8758
8759 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8760             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8761
8762         PR c++/18279
8763         * c-decl.c (c_write_global_declarations): Dump contents of
8764         external scope to.
8765         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8766         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8767         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8768         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8769         is enabled.
8770
8771 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8772
8773         * c-common.h (GCC_DIAG_STYLE): Define.
8774         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
8775         version for format checking to 4.1.
8776         * c-format.c: Include toplev.h after c-common.h.
8777         (enum format_type): Add gcc_tdiag_format_type.
8778         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8779         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8780         (format_types_orig): Add gcc_tdiag.
8781         (init_dynamic_diag_info): Support gcc_tdiag formats.
8782         (handle_format_attribute): Likewise.
8783         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8784         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
8785         version for format checking to 4.1.
8786         (warning0, warning, error, pedwarn, sorry): Use
8787         ATTRIBUTE_GCC_DIAG.
8788         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8789         (finish_aliases_1): Do not use %qE.
8790         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8791         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8792         Correct format bugs.
8793         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8794         parameter to unsigned HOST_WIDE_INT.
8795         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8796
8797 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
8798
8799         PR middle-end/21742
8800         * expr.c (write_complex_part): Use adjust_address for MEM.
8801         (read_complex_part): Same.
8802
8803 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
8804
8805         Fix PR tree-optimization/22280
8806
8807         * tree-sra.c (generate_element_init): Remove useless loop.
8808
8809 2005-07-02  Richard Henderson  <rth@redhat.com>
8810
8811         * config/alpha/alpha.c (alpha_legitimize_address): Check for
8812         TLS_MODEL_NONE.
8813         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8814
8815 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
8816
8817         PR middle-end/14490
8818         * fold-const.c (fold_binary): Handle the return value of
8819         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8820         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8821
8822 2005-07-02  Jeff Law  <law@redhat.com>
8823
8824         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8825         a eliminate type conversion which feeds an equality comparison
8826         if the original type or either operand in the comparison is a
8827         function pointer.
8828
8829 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
8830
8831         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8832         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8833         texts.
8834         * config/avr/avr.c: Do not use '`' as left quote.
8835         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8836         Remove "." from end of diagnostics.  Make diagnostics start with
8837         lowercase letter.
8838
8839 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
8840             Joseph S. Myers  <joseph@codesourcery.com>
8841
8842         * toplev.c (default_tree_printer): Handle setting location with
8843         '+' flag.
8844         * c-objc.common.c (c_tree_printer): Likewise.
8845         * c-format.c (gcc_diag_flag_specs): Add '+'.
8846         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8847         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8848         formats.
8849         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8850         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8851         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8852         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8853         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8854         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
8855         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
8856         format arguments where %J is used without %D.
8857
8858 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
8859
8860         * gcc.c (LINK_SSP_SPEC): Define.
8861         (link_ssp_spec): New variable.
8862         (LINK_COMMAND_SPEC): Add %(link_ssp).
8863         (static_specs): Add link_ssp_spec.
8864         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8865         * configure: Rebuilt.
8866         * config.in: Rebuilt.
8867
8868         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8869         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8870         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8871         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8872         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8873         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8874         -0x7008(2) instead of reading __stack_chk_guard variable.
8875         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8876         number.
8877         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8878         (stack_protect_set, stack_protect_test): Use *_tls* patterns
8879         if TARGET_THREAD_SSP_OFFSET is defined.
8880         (stack_tls_protect_set_si, stack_tls_protect_set_di,
8881         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8882
8883         Revert:
8884         2005-06-27  Richard Henderson  <rth@redhat.com>
8885         * libgcc-std.ver (GCC_4.1.0): New.
8886         * libgcc.h (__stack_chk_guard): Declare.
8887         (__stack_chk_fail, __stack_chk_fail_local): Declare.
8888         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8889         * mklibgcc.in (lib2funcs): Add them.
8890
8891 2005-07-01  Richard Henderson  <rth@redhat.com>
8892
8893         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8894         void * before struct sigcontext *.
8895         (x86_fallback_frame_state): Likewise.
8896
8897 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
8898
8899         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8900
8901 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8902
8903         PR tree-opt/22269
8904         * tree-ssa-reassoc.c (should_transpose): Fix which operand
8905         we check for SSA_NAME for.
8906
8907 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
8908
8909         Fix PR tree-optimization/22071
8910
8911         * tree-ssa-structalias.c (offset_overlaps_with_access): New
8912         function.
8913         (get_constraint_for_component_ref): Use it.
8914
8915 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8916
8917         PR other/22264
8918         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8919         print out the last new line.
8920
8921 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
8922
8923         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8924         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8925         * config/cris/cris.c (cris_conditional_register_usage): Adjust
8926         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8927         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8928         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8929         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8930         (enum reg_class): New member CC0_REGS.
8931         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8932         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8933         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8934         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8935         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8936         Adjust for register now described.
8937
8938 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
8939
8940         PR target/22262
8941         * config/i386/i386.md (stack_protect_test_si,
8942         stack_protect_test_di): Add earlyclobber for scratch 3.
8943         * config/rs6000/rs6000.md (stack_protect_testsi,
8944         stack_protect_testdi): Add earlyclobber for scratch 3,
8945         remove earlyclobber from scratch 4.
8946
8947 Older entries for 2005 can be found in ChangeLog-2005.