OSDN Git Service

838bd3407bf2680862bb9c075a9d3fae26d0e2b0
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-03-11  Nick Clifton  <nickc@redhat.com>
2
3         PR target/5362
4         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
5         options.
6         Add description to mno-lsim option.
7         * config/mcore/mcore.h: Remove comment about deprecated m4align
8         option.
9         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
10         * doc/invoke.texi: Add description of mno-lsim and
11         mstack-increment options.
12
13         * config/fr30/fr30.opt: Document the -mno-lsim option.
14         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
15         and -mno-lsim options.
16
17 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
18
19         * fold-const.c (fold_comparison): Only call fold_inf_compare
20         if the mode supports infinities.
21
22 2009-03-11  Jason Merrill  <jason@redhat.com>
23
24         PR debug/39086
25         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
26         end already did.  Notice GIMPLE_CALL modifications of the result.
27         Don't copy debug information from an ignored decl or a decl from
28         another function.
29
30 2009-03-10  Richard Guenther  <rguenther@suse.de>
31             Nathan Froyd  <froydnj@codesourcery.com>
32
33         PR middle-end/37850
34         * libgcc2.c (__mulMODE3): Use explicit assignments to form the
35         result.
36         (__divMODE3): Likewise.
37
38 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
39
40         PR tree-optimization/39394
41         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
42         DECL_SIZE_UNIT of variable length FIELD_DECLs.
43
44 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
45
46         * recog.c (verfiy_changes): Disallow renaming of hard regs in
47         inline asms for register asm ("") declarations.
48
49 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
50
51         * fold-const.c (fold_unary): Fix comment.
52
53 2009-03-07  Jan Hubicka  <jh@suse.cz>
54
55         PR target/39361
56         * tree-inline.c (setup_one_parameter): Do replacement of const argument
57         by constant in SSA form.
58
59 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
60
61         PR middle-end/38028
62         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
63         determine alignment passed to assign_stack_local.
64         (assign_parms_unsplit_complex): Likewise.
65         * except.c (sjlj_build_landing_pads): Likewise.
66
67 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
68
69         PR middle-end/39360
70         * tree-flow.h (add_referenced_var): Return bool instead of void.
71         * tree-dfa.c (add_referenced_var): Return result of
72         referenced_var_check_and_insert call.
73         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
74         of referenced_var_check_and_insert.
75
76         PR debug/39372
77         * dwarf2out.c (add_abstract_origin_attribute): Return
78         origin_die.
79         (gen_variable_die): Emit DW_AT_location on abstract static variable's
80         DIE, don't emit it if abstract origin already has it.
81         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
82         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
83
84 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
85
86         * genpreds.c: (needs_variable): Fix parentheses at variable name
87         detection.
88         (write_tm_constrs_h): Indent generated code.
89
90 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
91
92         * doc/extend.texi (Function Attributes): Add documentation
93         for isr attributes.
94
95 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
96
97         PR debug/39387
98         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
99         take locus from its DECL_SOURCE_LOCATION instead of input_location.
100
101 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
102
103         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
104         the loop as bad.
105
106 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
107
108         PR debug/39379
109         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
110         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
111
112 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
113
114         * config/i386/i386.md (R8_REG, R9_REG): New constants.
115         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
116         constants instead of magic numbers.
117         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
118         (QI_REG_P): Ditto.
119         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
120         (x86_64_ms_abi_int_parameter_registers): Ditto.
121         (x86_64_int_return_registers): Ditto.
122         (ix86_maybe_switch_abi): Ditto.
123         (ix86_expand_call): Ditto for clobbered_registers array.
124         (ix86_hard_regno_mode_ok): Ditto.
125         (x86_extended_QIreg_mentioned_p): Ditto.
126
127 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
128
129         PR tree-optimization/39349
130         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
131
132         * combine.c (gen_lowpart_for_combine): Use omode when generating
133         clobber.
134
135 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
136
137         PR rtl-optimization/39235
138         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
139
140 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
141
142         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
143
144 2009-03-04  Richard Guenther  <rguenther@suse.de>
145
146         PR tree-optimization/39362
147         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
148         that occur in abnormal PHIs should be varying.
149
150 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
151
152         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
153         Extend comments.
154         (simple_iv):  Take loop as an argument instead of statement.
155         * tree-scalar-evolution.h (simple_iv): Declaration changed.
156         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
157         to simple_iv.
158         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
159         Ditto.
160         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
161         * matrix-reorg.c (analyze_transpose): Ditto.
162         * tree-data-ref.c (dr_analyze_innermost): Ditto.
163         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
164         * tree-predcom.c (ref_at_iteration): Ditto.
165         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
166
167 2009-03-04  Richard Guenther  <rguenther@suse.de>
168
169         PR tree-optimization/39358
170         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
171         escaped_id and callused_id.
172         (solve_graph): Likewise.
173
174 2009-03-04  Richard Guenther  <rguenther@suse.de>
175
176         PR tree-optimization/39339
177         * tree-sra.c (try_instantiate_multiple_fields): Make it
178         no longer ICE on the above.
179
180 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
181
182         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
183         that fits within Pmode.
184
185 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
186
187         PR middle-end/10109
188         * tm.texi (LIBCALL_VALUE): Update description.
189
190 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
191
192         PR middle-end/34443
193         * doc/extend.texi (section): Update description.
194
195 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
196
197         PR middle-end/39345
198         * tree-inline.c (remapped_type): New.
199         (can_be_nonlocal): Call remapped_type instead of remap_type.
200
201 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
202
203         PR fortran/39354
204         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
205         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
206
207 2009-03-03  Richard Guenther  <rguenther@suse.de>
208
209         PR middle-end/39272
210         * tree.c (tree_nonartificial_location): New function.
211         * tree.h (tree_nonartificial_location): Declare.
212         * builtins.c (expand_builtin_memory_chk): Provide location
213         of the call location for artificial function pieces.
214         (maybe_emit_chk_warning): Likewise.
215         (maybe_emit_sprintf_chk_warning): Likewise.
216         (maybe_emit_free_warning): Likewise.
217         * expr.c (expand_expr_real_1): Likewise.
218
219 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
220
221         PR tree-optimization/39343
222         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
223         COMPONENT_REF t has ARRAY_TYPE.
224
225 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
226
227         PR middle-end/39335
228         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
229         when the type precision of the induction variable should be
230         larger than the type precision of nit.
231         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
232         * graphite.c (graphite_loop_normal_form): Same.
233         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
234
235 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
236
237         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
238         (*call_1_rex64_ms_sysv): Use named constants instead of magic
239         numbers to describe clobbered registers.
240         (*call_value_0_rex64_ms_sysv): Ditto.
241         * config/i386/mmx.md (mmx_emms): Ditto.
242         (mmx_femms): Ditto.
243
244 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
245
246         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
247         of ABI_64.
248
249 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
250
251         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
252         (spu_section_type_flags): New function.
253
254 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
255
256         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
257         reg_class_contents of FLOAT_REGS into a temporary.
258
259 2009-03-02  Richard Guenther  <rguenther@suse.de>
260             Ira Rosen  <irar@il.ibm.com>
261
262         PR tree-optimization/39318
263         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
264         information to the vectorized statement.
265
266 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
267
268         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
269         variable.  Use defined names instead of magic constants for REX SSE
270         registers.
271
272 2009-03-01  Richard Guenther  <rguenther@suse.de>
273
274         PR tree-optimization/39331
275         * omp-low.c (lower_send_shared_vars): Do not receive new
276         values for the reference of DECL_BY_REFERENCE parms or results.
277
278 2009-03-01  Jan Hubicka  <jh@suse.cz>
279
280         PR debug/39267
281         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
282         BLOCK_NONLOCALIZED_VAR): New macros.
283         (tree_block): Add nonlocalized_vars.
284         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
285         gen_decl_die): Add origin argument.  Allow generation of die with
286         origin at hand only.
287         (gen_member_die, gen_type_die_with_usage, force_decl_die,
288         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
289         of gen_*.
290         (gen_block_die): Fix checking for unused blocks.
291         (process_scope_var): Break out from .... ; work with origins only.
292         (decls_for_scope) ... here; process nonlocalized list.
293         (dwarf2out_ignore_block): Look for nonlocalized vars.
294         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
295         vars.
296         (dump_scope_block): Dump them.
297         * tree-inline.c (remap_decls): Handle nonlocalized vars.
298         (remap_block): Likewise.
299         (can_be_nonlocal): New predicate.
300         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
301
302 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
303
304         * configure: Regenerate.
305
306 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
307
308         * optc-gen.awk: No need to duplicate option flags twice.
309         Reuse help texts for duplicate options which do not have
310         any.
311
312         * gcc.c (display_help): Document --version.
313
314         * gcc.c (main): If print_help_list and verbose_flag, ensure
315         driver output comes before subprocess output.
316
317         * optc-gen.awk: Assign all remaining fields to help string,
318         space-separated, for multi-line help in *.opt.
319
320         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
321         -Wno-pedantic-ms-format is for MinGW targets only.
322
323         * doc/options.texi (Option file format): Fix bad indentation,
324         restoring dropped sentence.
325
326 2009-02-28  Jan Hubicka  <jh@suse.cz>
327
328         * tree-inline.c (tree_function_versioning): Output debug info.
329
330 2009-02-28  Jan Hubicka  <jh@suse.cz>
331
332         PR debug/39267
333         * tree-inline.c (setup_one_parameter): Do not copy propagate
334         arguments when not optimizing.
335
336 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
337
338         PR target/39327
339         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
340         (avx_addsubv4df3): Likewise.
341         (*avx_addsubv4sf3): Likewise.
342         (sse3_addsubv4sf3): Likewise.
343         (*avx_addsubv2df3): Likewise.
344         (sse3_addsubv2df3): Likewise.
345         (avx_unpckhps256): Correct item selectors.
346         (avx_unpcklps256): Likewise.
347         (avx_unpckhpd256): Likewise.
348         (avx_unpcklpd256): Likewise.
349
350 2009-02-28  Jan Hubicka  <jh@suse.cz>
351
352         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
353         static vars.
354         (copy_arguments_for_versioning): If var is declared don't declare it.
355         (tree_function_versioning): First setup substitutions and then copy
356         args.
357
358 2009-02-27  Jan Hubicka  <jh@suse.cz>
359
360         PR debug/39267
361         * cgraph.h (varpool_output_debug_info): Remove.
362         * cgraphunit.c (varpool_output_debug_info): Remove.
363         * dwarf2out.c (deferred_locations_struct): New struct
364         (deferred_locations): New type.
365         (deferred_locations_list): New static var.
366         (deffer_location): New function.
367         (gen_variable_die): Use it.
368         (decls_for_scope): Output info on local static vars.
369         (dwarf2out_finish): Process deferred locations.
370         * varpool.c (varpool_output_debug_info): Remove.
371
372 2009-02-27  Jan Hubicka  <jh@suse.cz>
373
374         PR debug/39267
375         * tree.h (TREE_PROTECTED): Fix comment.
376         (BLOCK_HANDLER_BLOCK): Remove.
377         (struct tree_block): Remove handler_block add body_block.
378         (inlined_function_outer_scope_p): New.
379         (is_body_block): Remove.
380         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
381         * dwarf2out.c (is_inlined_entry_point): Remove.
382         (add_high_low_attributes): Use inlined_function_outer_scope_p.
383         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
384         code.
385         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
386         * gimplify.c (gimplify_expr): Gimplify body blocks.
387         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
388         block with multiple subblocks.
389         (dump_scope_block): Prettier output; dump more flags and info.
390         (dump_scope_blocks): New.
391         (remove_unused_locals): Use dump_scope_blocks.
392         * tree-flow.h (dump_scope_blocks): Declare.
393         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
394         * stmt.c (is_body_block): Remove.
395         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
396         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
397
398 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
399
400         PR middle-end/39308
401         * graphite.c (graphite_loop_normal_form): Do not call 
402         number_of_iterations_exit from a gcc_assert.
403
404 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
405
406         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
407         jumps if COND is NULL.
408         (find_cond_jump): New function.
409         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
410         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
411
412 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
413
414         * config/alpha/alpha.h (alpha_expand_mov): Return false if
415         force_const_mem returns NULL_RTX.
416
417 2009-02-26  Jan Hubicka  <jh@suse.cz>
418
419         PR debug/39267
420         * cgraph.h (varpool_output_debug_info): Remove.
421         * cgraphunit.c (varpool_output_debug_info): Remove.
422         * dwarf2out.c (deferred_locations_struct): New struct
423         (deferred_locations): New type.
424         (deferred_locations_list): New static var.
425         (deffer_location): New function.
426         (gen_variable_die): Use it.
427         (decls_for_scope): Output info on local static vars.
428         (dwarf2out_finish): Process deferred locations.
429         * varpool.c (varpool_output_debug_info): Remove.
430
431 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
432
433         PR rtl-optimization/39241
434         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
435         to subreg_offset_representable_p.
436
437 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
438
439         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
440         execute function prototype.  Get f and nregs from max_reg_num
441         and get_insns.  Remove the first backward pass as it's dead,
442         guard the forward pass by flag_expensive_optimizations.
443         (rest_of_handle_regmove): Delete.
444         (pass_regmove): Replace it with regmove_optimize.
445
446 2009-02-25  Martin Jambor  <mjambor@suse.cz>
447
448         PR tree-optimization/39259
449         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
450         calls_alloca function flags.
451         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
452         calls are detected.
453
454 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
455
456         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
457         flags_set_1_rtx, flags_set_1_set): Delete.
458         (regmove_optimize): Do not call mark_flags_life_zones.
459
460 2009-02-24  Julian Brown  <julian@codesourcery.com>
461
462         PR target/35965
463         * config/arm/arm.c (require_pic_register): Only set
464         cfun->machine->pic_reg once per function.
465
466 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
467
468         * doc/invoke.texi (Link Options): Document an easier way to pass
469         options that take arguments to the GNU linker using -Xlinker and -Wl.
470
471 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
472
473         PR target/33785
474         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
475
476 2009-02-24  Richard Guenther  <rguenther@suse.de>
477
478         PR debug/39285
479         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
480
481 2009-02-24  Richard Guenther  <rguenther@suse.de>
482             Zdenek Dvorak  <ook@ucw.cz>
483
484         PR tree-optimization/39233
485         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
486         from converting them to a generic type.
487
488 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
489
490         PR tree-optimization/39260
491         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
492         contains a condition with a real type.
493         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
494
495 2009-02-23  Jason Merrill  <jason@redhat.com>
496
497         PR c++/38880
498         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
499         narrowing_initializer_constant_valid_p.
500         (narrowing_initializer_constant_valid_p): Don't return 
501         null_pointer_node for adding a pointer to itself.
502
503 2009-02-23  Jan Hubicka  <jh@suse.cz>
504
505         PR c/12245
506         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
507         resizing.
508
509 2009-02-23  Jan Hubicka  <jh@suse.cz>
510
511         PR tree-optimization/37709
512         * tree.c (block_ultimate_origin): Move here from dwarf2out.
513         * tree.h (block_ultimate_origin): Declare.
514         * dwarf2out.c (block_ultimate_origin): Move to tree.c
515         * tree-ssa-live.c (remove_unused_scope_block_p):
516         Eliminate blocks containig no instructions nor live variables nor
517         nested blocks.
518         (dump_scope_block): New function.
519         (remove_unused_locals): Enable removal of dead blocks by default;
520         enable dumping at TDF_DETAILS.
521
522 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
523
524         * config/i386/i386.c (classify_argument): Don't allow COImode
525         and OImode.
526         (function_arg_advance_32): Don't allow OImode.
527         (function_arg_32): Likewise.
528         (function_value_32): Likewise.
529         (return_in_memory_32): Likewise.
530         (function_arg_64): Remove OImode comment.
531
532 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
533
534         PR target/39261
535         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
536         ix86_expand_vector_set for V4DImode in 64bit mode only.
537         (ix86_expand_vector_init_one_var): Likewise.
538
539 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
540
541         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
542
543 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
544
545         PR bootstrap/39257
546         * loop-iv.c: Revert last change.
547         * emit-rtl.c: Likewise.
548
549 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
550
551         PR target/39256
552         * config/i386/i386.c (type_natural_mode): Remove an extra
553         space in the warning message.
554         (function_value_32): Handle 32-byte vector modes.
555         (return_in_memory_32): Likewise.
556
557 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
558
559         * loop-iv.c (truncate_value): New function.
560         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
561         of lowpart_subreg.
562         (lowpart_subreg): Move to...
563         * emit-rtl.c: ...here.
564
565 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
566
567         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
568         accidental and undocumented change at revision 140860.
569
570 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
571
572         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
573         take gimple_seq * arguments.
574         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
575         types_compatible_p langhook.
576
577 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
578             Joseph Myers  <joseph@codesourcery.com>
579
580         * config/arm/arm.c (arm_builtin_va_list): New function.
581         (arm_expand_builtin_va_start): Likewise.
582         (arm_gimplify_va_arg_expr): Likewise.
583         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
584         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
585         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
586         (va_list_type): New variable.
587         (arm_mangle_type): Mangle va_list_type appropriately.
588
589 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
590
591         PR middle-end/39157
592         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
593         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
594         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
595         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
596         parameter to 1000 for -O1 by default.
597         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
598         parameter.
599         * loop-invariant.c: Include params.h.
600         (move_loop_invariants): Don't call move_single_loop_invariants on
601         very large loops.
602
603 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
604
605         * calls.c (emit_library_call_value_1): Use slot_offset instead of
606         offset when calculating bounds for indexing stack_usage_map.  Fixes
607         a buffer overflow with certain target setups.
608
609 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
610
611         PR target/39240
612         * calls.c (expand_call): Clear try_tail_call if caller and callee
613         disagree in promotion of function return value.
614
615 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
616
617         PR target/39175
618         * c-common.c (c_determine_visibility): If visibility changed and
619         DECL_RTL has been already set, call make_decl_rtl to update symbol
620         flags.
621
622 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
623
624         PR c++/39188
625         * varasm.c (assemble_variable): Don't check DECL_NAME when
626         globalizing a variable.
627
628 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
629
630         PR c/38483
631         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
632         expression before any __builtin_trap call.
633         * c-typeck.c (build_function_call): Convert and check function
634         arguments before generating a call to a trap.  Evaluate the
635         function arguments before the trap.
636
637 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
638
639         PR target/39228
640         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
641         (UNSPEC_FXAM_MEM): New unspec.
642         (fxam<mode>2_i387_with_temp): New insn and split pattern.
643         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
644         memory using fxam<mode>2_i387_with_temp to remove excess precision.
645
646 2009-02-19  Richard Guenther  <rguenther@suse.de>
647
648         PR tree-optimization/39207
649         PR tree-optimization/39074
650         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
651         storedanything_tree): New.
652         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
653         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
654         (build_succ_graph): Add edges from STOREDANYTHING to all
655         non-direct nodes.
656         (init_base_vars): Initialize STOREDANYTHING.
657         (compute_points_to_sets): Free substitution info after
658         building the succ graph.
659         (ipa_pta_execute): Likewise.
660
661         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
662         field.
663         (do_ds_constraint): Do not add to special var or non-pointer
664         field solutions.
665         (type_could_have_pointers): Split out from ...
666         (could_have_pointers): ... here.  For arrays use the element type.
667         (create_variable_info_for): Initialize may_have_pointers.
668         (new_var_info): Likewise.
669         (handle_lhs_call): Make the HEAP variable unknown-sized.
670         (intra_create_variable_infos): Use a type with pointers for
671         PARM_NOALIAS, make it unknown-sized.
672
673 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
674
675         PR target/39224
676         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
677
678 2009-02-18  Jason Merrill  <jason@redhat.com>
679
680         PR target/39179
681         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
682         value if DECL_EXTERNAL.
683         * tree-sra.c (sra_walk_gimple_assign): Likewise.
684         * target.h (gcc_target::binds_local_p): Clarify "module".
685         * tree.h (TREE_PUBLIC): Clarify "module".
686
687 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
688
689         PR target/38891
690         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
691         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
692
693 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
694
695         PR target/39082
696         * c.opt (Wabi): Support C and ObjC.
697         (Wpsabi): New.
698
699         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
700
701         * config/i386/i386.c (classify_argument): Warn once about the ABI
702         change when passing union with long double.
703
704         * doc/invoke.texi: Update -Wabi for warning psABI changes.
705
706 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
707
708         PR c/35447
709         * c-parser.c (c_parser_compound_statement): Always enter and leave
710         a scope.
711
712 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
713
714         PR target/34587
715         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
716
717 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
718
719         PR tree-optimization/36922
720         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
721         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
722         Likewise.
723
724 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
725
726         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
727         to 0 for EABI64.
728
729 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
730
731         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
732
733 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
734
735         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
736         tree sharing.
737
738 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
739             Richard Sandiford  <rdsandiford@googlemail.com>
740
741         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
742         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
743         (loongson_biadd): ...this.
744
745 2009-02-17  Richard Guenther  <rguenther@suse.de>
746
747         PR tree-optimization/39202
748         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
749         a var make sure to follow existing collapses.
750
751 2009-02-17  Richard Guenther  <rguenther@suse.de>
752
753         PR middle-end/39214
754         * langhooks.c (lhd_print_error_function): Check for NULL block.
755
756 2009-02-17  Richard Guenther  <rguenther@suse.de>
757
758         PR tree-optimization/39204
759         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
760         of the PHI arg.
761
762 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
763
764         * config/soft-fp/double.h: Update from glibc CVS.
765
766 2009-02-17  Richard Guenther  <rguenther@suse.de>
767
768         PR tree-optimization/39207
769         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
770         strict-aliasing warnings for pointers pointing to NULL.
771
772 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
773
774         PR c/35446
775         * c-parser.c (c_parser_braced_init): Call pop_init_level when
776         skipping until next close brace.
777
778 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
779
780         PR target/37049
781         * config/i386/i386.c (ix86_expand_push): Set memory alignment
782         to function argument boundary.
783
784 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
785
786         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
787         in the lea_add. Reload eventually constraints it properly.
788         * config/picochip/constraints.md : Remove the target constraint
789         "b", since it is not needed anymore.
790
791 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
792
793         * gthr-dce.h: Uglify function parameter and local variable names.
794         * gthr-gnat.h: Likewise.
795         * gthr-mipssde.h: Likewise.
796         * gthr-nks.h: Likewise.
797         * gthr-posix95.h: Likewise.
798         * gthr-posix.h: Likewise.
799         * gthr-rtems.h: Likewise.
800         * gthr-single.h: Likewise.
801         * gthr-solaris.h: Likewise.
802         * gthr-tpf.h: Likewise.
803         * gthr-vxworks.h: Likewise.
804         * gthr-win32.h: Likewise.
805
806 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
807
808         PR target/39196
809         * config/i386/i386.md: Restrict the new peephole2 to move
810         between MMX/SSE registers.
811
812 2009-02-15  Richard Guenther  <rguenther@suse.de>
813
814         Revert
815         2009-02-13  Richard Guenther  <rguenther@suse.de>
816
817         * configure.ac: Enable LFS.
818         * configure: Re-generate.
819         * config.in: Likewise.
820
821 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
822
823         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
824         spu_srqwbyte, spu_srqwbytebc): Define.
825         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
826         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
827         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
828         "shrqby_<mode>"): New insn-and-split patterns.
829         * config/spu/spu.c (expand_builtin_args): Determine and return
830         number of operands using spu_builtin_description data.
831         (spu_expand_builtin_1): Use it.
832
833 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
834
835         PR target/38056
836         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
837         TARGET_CONST_GP.
838
839 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
840
841         PR target/39149
842         * config/i386/i386.c (override_options): Correct warning
843         messages for -malign-loops, -malign-jumps and -malign-functions.
844
845 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
846
847         PR target/39152
848         * config/i386/i386.md: Restrict the new peephole2 to move
849         between the general purpose registers.
850
851 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
852
853         PR target/39162
854         * config/i386/i386.c (type_natural_mode): Add a new argument.
855         Return the original mode and warn ABI change if vector size is 32byte.
856         (function_arg_advance): Updated.
857         (function_arg): Likewise.
858         (ix86_function_value): Likewise.
859         (ix86_return_in_memory): Likewise.
860         (ix86_sol10_return_in_memory): Likewise.
861         (ix86_gimplify_va_arg): Likewise.
862         (function_arg_32): Don't warn ABX ABI change here.
863         (function_arg_64): Likewise.
864
865 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
866
867         * loop-iv.c (implies_p): In the final case, test that operands 0
868         of the two comparisons match.
869
870         * config/bfin/bfin.c (find_prev_insn_start): New function.
871         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
872         (find_next_insn_start): Move.
873
874 2009-02-13  Richard Guenther  <rguenther@suse.de>
875
876         * configure.ac: Enable LFS.
877         * configure: Re-generate.
878         * config.in: Likewise.
879
880 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
881
882         PR c/35444
883         * c-parser.c (c_parser_parms_list_declarator): Discard pending
884         sizes on syntax error after some arguments have been parsed.
885
886 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
887
888         * doc/invoke.texi (-fira): Remove.
889
890 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
891
892         * caller-save.c: Replace regclass.c with reginfo.c in comments.
893         * recog.c: Likewise.
894         * rtl.h: Likewise.
895
896 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
897
898         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
899         (umul_ppmm): Likewise.
900         (count_leading_zeros): Likewise.
901         (count_trailing_zeros): Likewise.
902         (UMUL_TIME): Likewise.
903
904 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
905
906         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
907         soft-fp/t-softfp to tmake_file.
908
909         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
910         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
911         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
912         IA64_BUILTIN_INFQ]: New.
913         (ia64_init_builtins): Initialize __builtin_infq,
914         __builtin_fabsq and __builtin_copysignq if not HPUX.
915         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
916         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
917
918         * config/ia64/lib1funcs.asm (__divtf3): Define only if
919         SHARED is defined.
920         (__fixtfti): Likewise.
921         (__fixunstfti): Likewise.
922         (__floattitf): Likewise.
923
924         * config/ia64/libgcc-glibc.ver: New.
925         * config/ia64/t-fprules-softfp: Likewise.
926         * config/ia64/sfp-machine.h: Likewise.
927
928         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
929         (LIBGCC2_TF_CEXT): Likewise.
930         (TF_SIZE): Likewise.
931         (TARGET_INIT_LIBFUNCS): Likewise.
932
933         * config/ia64/t-glibc (SHLINB_MAPFILES):
934         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
935
936 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
937
938         * config/i386/i386.c (construct_container): Rewrite processing
939         BLKmode with X86_64_SSE_CLASS.
940
941 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
942
943         PR target/39152
944         * config/i386/i386.md: Replace simplify_replace_rtx with
945         replace_rtx in the new peephole2.
946
947 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
948
949         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
950         loop unrolling do not happen at -O2.
951
952 2009-02-12  Michael Matz  <matz@suse.de>
953
954         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
955
956 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
957
958         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
959         for -g3.
960
961 2009-02-12  Ben Elliston  <bje@au.ibm.com>
962
963         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
964         patterns when updating the back chain.  Missed in the 2009-02-10
965         change.
966
967 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
968
969         * doc/extend.texi (Decimal Floating Types): Update identifier of
970         draft TR and list of missing support.
971
972 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
973
974         PR middle-end/39154
975         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
976         bit to variable length decl's flags, add it also to its
977         pointer replacement variable.
978
979 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
980             Jakub Jelinek  <jakub@redhat.com>
981
982         PR target/39118
983         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
984         (memory_blockage): New expander.
985         (*memory_blockage): New insn pattern.
986         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
987         instead of general blockage at the end of function prologue when
988         frame pointer is used to access red zone area.  Do not emit blockage
989         when profiling, it is emitted in generic code.
990         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
991         function epilogue when frame pointer is used to access red zone area.
992
993 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
994
995         PR target/38824
996         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
997         by arithmetic with memory operands.
998         * config/i386/predicates.md (commutative_operator): New.
999
1000 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1001
1002         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1003         bulleted lists.
1004
1005 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1006
1007         * alias.h (record_alias_subset): Declare.
1008         * alias.c (record_alias_subset): Make global.
1009
1010 2009-02-10  Nick Clifton  <nickc@redhat.com>
1011
1012         * tree-parloops.c: Change license to GPLv3.
1013         * ipa-struct-reorg.c: Change license to GPLv3.
1014         * ipa-struct-reorg.h: Change license to GPLv3.
1015
1016 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1017
1018         PR c/39084
1019         * c-decl.c (start_struct): Return NULL on error.
1020
1021 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1022
1023         PR middle-end/39124
1024         * cfgloopmanip.c (remove_path): Call remove_bbs after
1025         cancel_loop_tree, not before it.
1026
1027         PR target/39139
1028         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1029         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1030         VAR_DECLs were seen.
1031         * tree-ssa-live.c (remove_unused_locals): Recompute
1032         cfun->has_local_explicit_reg_vars.
1033         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1034         copies or clearings if cfun->has_local_explicit_reg_vars.
1035
1036 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1037
1038         PR target/39118
1039         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1040         of function prologue when frame pointer is used to access
1041         red zone area.
1042
1043 2009-02-10  Richard Guenther  <rguenther@suse.de>
1044
1045         PR middle-end/39127
1046         * gimplify.c (gimple_regimplify_operands): Always look if
1047         we need to create a temporary.
1048
1049 2009-02-10  Richard Guenther  <rguenther@suse.de>
1050
1051         PR tree-optimization/39132
1052         * tree-loop-distribution.c (todo): New global var.
1053         (generate_memset_zero): Trigger TODO_rebuild_alias.
1054         (tree_loop_distribution): Return todo.
1055
1056 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1057
1058         PR target/39119
1059         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1060         (x86_64_reg_class_name): Removed.
1061         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1062         first one isn't X86_64_SSE_CLASS or any other ones aren't
1063         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1064         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1065         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1066         and 3 X86_64_SSEUP_CLASS.
1067         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1068         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1069
1070 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1071
1072         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1073         form instruction to update the stack back chain word, even if the
1074         user has disabled the generation of update instructions.
1075         (movdi_<mode>_update_stack): New.
1076         (movsi_update_stack): Likewise.
1077         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1078         always use an update form instruction to update the stack back
1079         chain word.
1080
1081 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         PR middle-end/38953
1084         * graphite.c (if_region_set_false_region): After moving a region in
1085         the false branch of a condition, remove the empty dummy basic block.
1086         (gloog): Remove wrong fix for PR38953.
1087
1088 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1089
1090         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1091         generation due to implicit sign extension.
1092
1093 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1094
1095         PR middle-end/38981
1096         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1097         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1098
1099 2009-02-09  Richard Guenther  <rguenther@suse.de>
1100
1101         PR middle-end/35202
1102         * convert.c (convert_to_real): Disable (float)fn((double)x)
1103         to fnf(x) conversion if errno differences may occur and
1104         -fmath-errno is set.
1105
1106 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1107
1108         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1109         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1110         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1111
1112 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1113
1114         PR c/35434
1115         * c-common.c (handle_alias_attribute): Disallow attribute for
1116         anything not a FUNCTION_DECL or VAR_DECL.
1117
1118 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1119
1120         PR c/39035
1121         * real.c (do_compare): Special-case compare of zero against
1122         decimal float value.
1123
1124 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1125
1126         PR c/36432
1127         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1128         as indicating flexible array members unless the field itself is
1129         being declarared as the incomplete array.
1130
1131 2009-02-06  Jan Hubicka  <jh@suse.cz>
1132
1133         PR tree-optimization/38844
1134         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1135         is already inlined.
1136
1137 2009-02-06  Richard Guenther  <rguenther@suse.de>
1138
1139         PR middle-end/38977
1140         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1141         fork because we may expand it as __gcov_fork.
1142
1143 2009-02-06  Nick Clifton  <nickc@redhat.com>
1144
1145         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1146
1147 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1148
1149         PR tree-optimization/35659
1150         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1151         vn_phi_eq): Shortcut if hashcode does not match.
1152         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1153         NULL operands.
1154         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1155         and avoid iterative_hash_expr.
1156         (FOR_EACH_VALUE_ID_IN_SET): New.
1157         (value_id_compare): Remove.
1158         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1159         sort expressions by value id.
1160
1161 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1162
1163         PR target/38991
1164         * config/sh/predicates.md (general_movsrc_operand): Don't check
1165         the subreg of system registers here.
1166
1167 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1168
1169         PR c++/39106
1170         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1171         on the copied decl.
1172
1173 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1174
1175         PR rtl-optimization/39110
1176         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1177         addresses, not aligned ones.
1178
1179 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1180             Richard Guenther  <rguenther@suse.de>
1181
1182         PR tree-optimization/39100
1183         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1184         comment says and add edges.
1185
1186 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1187
1188         PR c/35435
1189         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1190         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1191
1192 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1193
1194         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1195         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1196         register_bb_in_sese, new_sese, free_sese): Moved.
1197         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1198         outermost_loop_in_scop, build_scop_iteration_domain,
1199         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1200         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1201         Use loop_in_sese_p instead of loop_in_scop_p.
1202         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1203         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1204         (scopdet_basic_block_info): Fix bug in scop detection.
1205         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1206         eq_loop_to_cloog_loop): Remove.
1207         (nb_loops_around_loop_in_scop, nb_loop
1208         ref_nb_loops): Moved here...
1209         * graphite.h (ref_nb_loops): ... from here.
1210         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1211         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1212         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1213         * testsuite/gcc.dg/graphite/scop-19.c: New
1214
1215 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1216             Hans-Peter Nilsson  <hp@axis.com>
1217
1218         PR rtl-optimization/37889
1219         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1220         Move offset handling from PLUS to before the switch.  Use new
1221         arguments when considering SYMBOL_REFs too.
1222         (rtx_addr_can_trap_p): Pass dummy offset and size.
1223         (enum may_trap_p_flags): Remove.
1224         (may_trap_p_1): Pass size from MEM_SIZE.
1225
1226         PR rtl-optimization/38921
1227         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1228         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1229         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1230         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1231
1232 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1233
1234         AVX Programming Reference (January, 2009)
1235         * config/i386/sse.md (*vpclmulqdq): New.
1236
1237 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1238
1239         PR tree-optimization/38977
1240         PR gcov-profile/38292
1241         * calls.c (special_function_p): Disregard __builtin_ prefix.
1242
1243 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1244
1245         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1246         non-indexable addresses even before reload.
1247
1248 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1249
1250         PR c/29129
1251         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1252         as having variable size.  Do not give an error for unnamed
1253         parameters with [*] declarators.  Give a warning for type names
1254         with [*] declarators and mark them as variable size.
1255         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1256         for sizeof applied to [*] type names.
1257
1258 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1259
1260         PR C++/36607
1261         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1262
1263 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1264
1265         * gcc.c (process_command): Update copyright notice dates.
1266         * gcov.c (print_version): Likewise.
1267         * gcov-dump.c (print_version): Likewise.
1268         * mips-tfile.c (main): Likewise.
1269         * mips-tdump.c (main): Likewise.
1270
1271 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1272
1273         PR c/35433
1274         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1275         for composite type involving a zero-length array type.
1276
1277 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1278
1279         PR target/35318
1280         * function.c (match_asm_constraints_1): Skip over
1281         initial optional % in the constraint.
1282
1283         PR inline-asm/39059
1284         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1285         supported, don't accept FIXED_CSTs.
1286         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1287         and _Sat is used without _Fract/_Accum.  Set specs->type to
1288         integer_type_node for cts_fract/cts_accum if fixed point is not
1289         supported.
1290
1291 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1292
1293         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1294
1295 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1296
1297         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1298         (ABI_HAS_64BIT_SYMBOLS): Use it.
1299         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1300
1301 2009-02-02  Paul Brook  <paul@codesourcery.com>
1302
1303         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1304
1305 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR inline-asm/39058
1308         * recog.h (asm_operand_ok): Add constraints argument.
1309         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1310         recurse on matching constraint.
1311         (check_asm_operands): Pass constraints as 3rd argument to
1312         asm_operand_ok.  Don't look up matching constraint here.
1313         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1314         to asm_operand_ok.
1315
1316 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1317
1318         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1319         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1320
1321 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1322
1323         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1324         information.  Remove some obsolete information.  Reorganize.
1325
1326         * config/pa/fptr.c: Revert license to GPL 2.
1327         * config/pa/milli64.S: Likewise.
1328
1329 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1330
1331         PR target/38904
1332         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1333         LIBRARY name in, instead of hard-coding it.
1334         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1335         extra target make frag to tmake_files according to EH model.
1336         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1337         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1338         frags that define makefile variable EH_MODEL appropriately.
1339         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1340         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1341         to "-sjlj" according to type of EH configured.
1342         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1343         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1344         to "_sjlj" according to type of EH configured.
1345         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1346         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1347         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1348         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1349         string value of "pe_dll" command-line option.
1350         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1351         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1352         (SHLIB_IMPLIB):  Override t-cygming default.
1353         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1354         string value of "pe_dll" command-line option.
1355
1356 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1357
1358         PR target/38952
1359         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1360         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1361
1362 2009-01-31  Richard Guenther  <rguenther@suse.de>
1363
1364         PR tree-optimization/38937
1365         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1366         computing the transitive closure.
1367
1368 2009-01-30  Richard Guenther  <rguenther@suse.de>
1369
1370         PR tree-optimization/39041
1371         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1372         Propagate variable indices only if the types match for this stmt.
1373
1374 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1375
1376         PR target/39013
1377         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1378         inline but never defined.
1379
1380 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1381
1382         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1383         (*insv_h_di_reg_extimm): New insn.
1384         (*insv_l<mode>_reg_extimm): New insn.
1385
1386 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1387
1388         * config/picochip/picochip.c (flag_conserve_stack): set
1389         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1390         fconserve-stack. Reduce call-overhead used by inliner.
1391
1392 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1393
1394         PR/38157
1395         * common.opt (flag_conserve_stack): Initialised to zero.
1396
1397 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1398
1399         PR/39002
1400         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1401         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1402         method.
1403
1404 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1405
1406         * ira-color.c (allocno_reload_assign): Update comments.
1407         * regmove.c (regmove_optimize): Likewise.
1408
1409         * ra.h: Removed.
1410
1411 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1412
1413         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1414         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1415         `MD_UNWIND_SUPPORT'.
1416         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1417
1418 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1419
1420         PR tree-optimization/39007
1421         * tree-loop-distribution.c (generate_builtin): Use
1422         recompute_dominator to compute the immediate dominator of the
1423         basic block just after the loop.
1424
1425 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1426
1427         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1428         (ASM_OUTPUT_DWARF_PCREL): Define.
1429
1430 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1431
1432         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1433         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1434         global.  Modify entries about regmove and IRA.
1435
1436         * ra-conflict.c: Remove the file.
1437
1438         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1439
1440         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1441         (pass_regclass_init): Rename to pass_reginfo_init.
1442
1443         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1444
1445         * toplev.h (flag_ira): Remove.
1446
1447         * caller-save.c (setup_save_areas): Remove flag_ira.
1448
1449         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1450
1451         * global.c: Remove the file.
1452
1453         * opts.c: (decode_options): Remove flag_ira.
1454
1455         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1456
1457         * regmove.c: Modify file description.
1458         (find_use_as_address, try_auto_increment): Define them only if
1459         AUTO_INC_DEC is defined.
1460         (replacement_quality, replace_in_call_usage, fixup_match_1,
1461         stable_and_no_regs_but_for_p): Remove.
1462         (reg_set_in_bb): Make it static.
1463         (regmove_optimize): Remove flag_ira and code which worked for
1464         !flag_ira.
1465
1466         * local-alloc.c: Remove the file.
1467
1468         * common.opt (fira): Remove.
1469
1470         * ira.c: Include except.h.
1471         (eliminable_regset): Move from global.c.
1472         (mark_elimination): Ditto.  Remove flag_ira.
1473         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1474         equiv_mem_modified, validate_equiv_mem_from_store,
1475         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1476         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1477         no_equiv, recorded_label_ref): Move from local-alloc.c.
1478         (update_equiv_regs): Ditto.  Make it static.
1479         (print_insn_chain, print_insn_chains): Move it from global.c.
1480         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1481         (build_insn_chain): Ditto.  Make it static.
1482         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1483         Rename to init_live_subregs.
1484         (gate_ira): Remove flag_ira.
1485
1486         * regclass.c: Rename reginfo.c.  Change file description.
1487         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1488         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1489         (init_reg_sets_1): Remove code for evaluation of
1490         reg_class_superclasses and losing_caller_save_reg_set.
1491         (init_regs): Remove init_reg_autoinc.
1492         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1493         ok_for_base_p_nonstrict): Remove.
1494         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1495         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1496         corresponding entries.
1497         (dump_regclass, record_operand_costs, scan_one_insn,
1498         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1499         record_address_regs, auto_inc_dec_reg_p): Remove.
1500         (gt-regclass.h): Rename to gt-reginfo.h.
1501
1502         * rtl.h (dump_global_regs, retry_global_alloc,
1503         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1504
1505         * Makefile.in (RA_H): Remove.
1506         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1507         Rename regclass.o to reginfo.o.
1508         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1509         gt-reginfo.h.
1510         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1511         (GTFILES): Rename regclass.c to reginfo.c.
1512
1513         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1514         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1515
1516         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1517         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1518         Remove flag_ira.
1519         (finish_spills): Ditto.  Remove code for !flag_ira.
1520         
1521 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1522
1523         PR middle-end/35854
1524         * doc/invoke.texi (rtl debug options): Complete rewrite.
1525         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1526         to auto_inc_dec".
1527         * mode-switching.c (pass_mode_switching): Rename pass from
1528         "mode-sw" to "mode_sw".
1529         * except.c (pass_convert_to_eh_ranges): Rename pass from
1530         "eh-ranges" to "eh_ranges".
1531         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1532         to "subreg1".
1533                 
1534         
1535 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1536             Alexander Monakov  <amonakov@ispras.ru>
1537
1538         PR middle-end/38857
1539         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1540         register.
1541         (move_exprs_to_boundary): Change return type and pass through
1542         should_move from move_op.  Relax assert.  Update usage ...
1543         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1544         cant_move.
1545         (move_op_orig_expr_found): Indicate that insn was disconnected from
1546         stream.
1547         (code_motion_process_successors): Do not call after_merge_succs
1548         callback if original expression was not found when traversing any of
1549         the branches.
1550         (code_motion_path_driver): Change return type.  Update prototype.
1551         (move_op): Update comment.  Add a new parameter (should_move).  Update
1552         prototype.  Set *should_move based on indication provided by
1553         move_op_orig_expr_found.
1554
1555 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1556
1557         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1558         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1559         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1560         * config/rs6000/rs6000.c (rs6000_override_options): Default
1561         avoid-indexed-addresses on for Power6, off for everything else.
1562         (avoiding_indexed_address_p): New function.
1563         (rs6000_legitimize_address): Use it.
1564         (rs6000_legitimate_address): Likewise.
1565         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1566
1567 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
1568
1569         PR tree-optimization/38997
1570         * tree-loop-distribution.c (generate_memset_zero): Use
1571         POINTER_PLUS_EXPR for a pointer addition.
1572
1573 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1574
1575         * config/s390/s390.md (bswap<mode>2): New pattern added.
1576
1577 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1578
1579         * config/s390/s390.md (*tls_load_31): Added type attribute.
1580
1581 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1582
1583         * config/s390/s390.md: Fix a few comments.
1584
1585 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1586
1587         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1588         (*tm<mode>_full): Fixed z10prop attribute.
1589         (*tst<mode>_extimm): Fixed z10prop attribute.
1590         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1591         (*tstqiCCT_cconly): Fixed z10prop attribute.
1592         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1593         (*movsi_larl): Fixed z10prop attribute.
1594         (*movsi_zarch): Fixed z10prop attribute.
1595         (*movsi_eas): Fixed z10prop attribute.
1596         (*movhi): Fixed z10prop attribute.
1597         (*movqi): Fixed z10prop attribute.
1598         (*movstrictqi): Fixed z10prop attribute.
1599         (*mov<mode>): Fixed z10prop attribute.
1600         (*movcc): Fixed z10prop attribute.
1601         (*sethighpartdi_64): Fixed z10prop attribute.
1602         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1603         (*negdi2_sign_cc): Fixed z10prop attribute.
1604         (*negdi2_sign): Fixed z10prop attribute.
1605         (*absdi2_sign_cc): Fixed z10prop attribute.
1606         (*absdi2_sign): Fixed z10prop attribute.
1607         (*negabsdi2_sign_cc): Fixed z10prop attribute.
1608         (*negabsdi2_sign): Fixed z10prop attribute.
1609         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1610         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1611         (doloop_si64): Fixed z10prop attribute.
1612         (doloop_si31): Fixed z10prop attribute.
1613         (doloop_long): Fixed z10prop attribute.
1614         (indirect_jump): Fixed z10prop attribute.
1615         (nop): Fixed z10prop attribute.
1616         (main_base_64): Fixed z10prop attribute.
1617         (reload_base_64): Fixed z10prop attribute.
1618
1619 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR rtl-optimization/38740
1622         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1623         if !optimize.
1624         * config/mips/mips.c (mips_reorg): Likewise.
1625
1626 2009-01-28  Richard Guenther  <rguenther@suse.de>
1627
1628         PR tree-optimization/38926
1629         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1630         with the correct value id to a value.
1631         (do_regular_insertion): Use the value number of edoubleprime
1632         for the value number of the expr.
1633
1634         Revert
1635         2008-08-21  Richard Guenther  <rguenther@suse.de>
1636
1637         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1638         a PHI ask VN if it is already available.
1639         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1640         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1641
1642 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1643
1644         PR middle-end/38934
1645         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1646         set to varying whenever max has TREE_OVERFLOW set, similarly
1647         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1648
1649 2009-01-28  Richard Guenther  <rguenther@suse.de>
1650
1651         PR middle-end/38908
1652         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1653         uninitialized aggregate uses in call arguments.
1654
1655 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
1656
1657         PR tree-optimization/38984
1658         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1659         the nothing_id variable if -fno-delete-null-pointer-checks.
1660
1661 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
1662
1663         PR target/38988
1664         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1665         (set_got_offset_rex64): Ditto.
1666
1667 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1668
1669         PR target/38941
1670         * doc/extend.texi: Improve local variable with asm reg.
1671
1672 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
1673
1674         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1675         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1676         was not supplied then set warn_packed_bitfield_compat to the
1677         default value of 1.
1678         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1679         against 1.
1680
1681 2009-01-27  Richard Guenther  <rguenther@suse.de>
1682
1683         PR tree-optimization/38503
1684         * cfgexpand.c (expand_gimple_basic_block): Ignore
1685         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1686         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1687         variables that cannot have TBAA applied.
1688         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1689         statements.
1690
1691 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
1692
1693         PR middle-end/38969
1694         * calls.c (initialize_argument_information): Do not wrap complex
1695         arguments in SAVE_EXPR.
1696
1697 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
1698
1699         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1700         (INSTALL_LIBGCC): Revert typo commit.
1701
1702 2009-01-26  Richard Guenther  <rguenther@suse.de>
1703
1704         PR tree-optimization/38745
1705         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1706         from special handling.
1707
1708 2009-01-26  Richard Guenther  <rguenther@suse.de>
1709
1710         PR tree-optimization/38745
1711         * tree-ssa.c (execute_update_addresses_taken): Do not include
1712         variables that cannot possibly be a register in not_reg_needs.
1713         Do not clear TREE_ADDRESSABLE on vars that may not become
1714         registers.
1715         * tree-ssa.c (update_alias_info_1): Include those in the set
1716         of addressable vars.
1717
1718 2009-01-26  Richard Guenther  <rguenther@suse.de>
1719
1720         PR middle-end/38851
1721         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1722         * tree-ssa-dse.c: Include langhooks.h
1723         (execute_simple_dse): Remove stores with zero size.
1724
1725 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
1726
1727         PR c/38957
1728         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1729         as PLUS_EXPR.
1730
1731 2009-01-24  Julian Brown  <julian@codesourcery.com>
1732
1733         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1734         config/arm/linux-atomic.c.
1735         * config/arm/linux-atomic.c: New.
1736
1737 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
1738
1739         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1740         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1741         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1742
1743 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1744
1745         PR c/38938
1746         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1747         properly.
1748
1749 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
1750
1751         PR tree-optimization/38953
1752         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1753         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1754         (gloog): Split the exit of the scop when the scop exit is a loop exit.
1755         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1756         changed the CFG.
1757
1758 2009-01-24  Paul Brook  <paul@codesourcery.com>
1759
1760         * config/arm/neon.md (neon_type): Move to arm.md.
1761         (neon_mov<VSTRUCT>): Add neon_type attribute.
1762         * config/arm/arm.md (neon_type): Move to here.
1763         (conds): Add "unconditioal" and use as default for NEON insns.
1764
1765 2009-01-24  Ben Elliston  <bje@au.ibm.com>
1766
1767         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1768         void *' warning from -Wc++-compat.
1769         * Makefile.in (dominance.o-warn): Remove.
1770
1771 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
1772
1773         PR tree-optimization/38932
1774         * fold-const.c (fold_unary_ignore_overflow): New.
1775         * tree.h (fold_unary_ignore_overflow): Declare.
1776         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1777         * tree-ssa-sccvn.c (visit_reference_op_load,
1778         simplify_unary_expression): Likewise.
1779
1780 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
1781
1782         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1783         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
1784         regardless of their type.
1785         * c-common.c (handle_packed_attribute): Don't ignore packed on
1786         bitfields.
1787         * c.opt (Wpacked-bitfield-compat): New warning option.
1788         * stor-layout.c (place_field): Warn if offset of a field changed.
1789         * doc/extend.texi (packed): Mention the ABI change.
1790         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1791         (Warning Options): Add it to the list.
1792
1793 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1794
1795         * c-opts.c (c_common_post_options): Fix a typo in comments.
1796
1797 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
1798
1799         PR middle-end/38615
1800         * gimplify.c (gimplify_init_constructor): Fix promotion of const
1801         variables to static.
1802         * doc/invoke.texi (-fmerge-all-constants): Update description.
1803
1804 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         PR target/38931
1807         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1808         (*movdi_1_rex64): Use type "mmx" for alternative 5.
1809
1810 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
1811
1812         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1813         a word boundary.
1814         (LOCAL_ALIGNMENT): Similarly.
1815
1816 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1817             Joseph Myers  <joseph@codesourcery.com>
1818
1819         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1820         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1821         * config/arm/arm-tune.md: Regenerate.
1822         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1823         -march=iwmmxt2.
1824
1825 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1826
1827         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1828         version number to five.
1829
1830 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
1831
1832         PR c++/38930
1833         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1834         * c-common.c (set_underlying_type): Likewise.
1835         (is_typedef_decl ): Likewise
1836         * tree.h: Likewise
1837         (set_underlying_type): Likewise.
1838         (is_typedef_type): Likewise.
1839
1840 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
1841
1842         PR middle-end/38587
1843         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1844         crossing setjmps.
1845
1846 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
1847
1848         PR bootstrap/37660
1849         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
1850         (LIBGCC_SPEC):  Don't define.
1851         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
1852
1853 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
1854
1855         PR rtl-optimization/38879
1856         * alias.c (base_alias_check): Unaligned access via AND address can
1857         alias all surrounding object types except those with sizes equal
1858         or wider than the size of unaligned access.
1859
1860 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
1861
1862         PR c++/26693
1863         * c-decl.c: (clone_underlying_type): Move this ...
1864         * c-common.c (set_underlying_type): ... here.
1865         Also, make sure the function properly sets TYPE_STUB_DECL() on
1866         the newly created typedef variant type.
1867         (is_typedef_decl ): New entry point.
1868         * tree.h: Added a new member member_types_needing_access_check to
1869         struct tree_decl_non_common.
1870         (set_underlying_type): New entry point.
1871         (is_typedef_type): Likewise.
1872
1873 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
1874
1875         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1876         Check whether two instructions have memory references that
1877         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
1878         are helper functions for traversing.
1879         * alias.h (insn_alias_sets_confilict_p): New prototypes.
1880         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1881         not to draw dependency edge for instructions with non-conflicting
1882         alias sets.
1883
1884 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
1885
1886         PR other/38758
1887         * longlong.h: Update copyright years.  Use soft-fp license notice.
1888         Sync __clz_tab declaration with glibc.
1889
1890 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
1891
1892         PR target/30687
1893         * doc/extend.texi (syscall_linkage): New.
1894         (version_id): Modify.
1895
1896 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1897             Richard Guenther  <rguenther@suse.de>
1898
1899         PR tree-optimization/38747
1900         PR tree-optimization/38748
1901         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1902         conversion if the base address is an indirect reference and the
1903         aliasing sets could cause issues.
1904
1905 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         * common.opt (fgraphite, fgraphite-identity): Add comment for 
1908         explaining why these options are not documented.
1909
1910 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1913         gimple_call_lhs is NULL.
1914
1915 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
1916
1917         PR target/38868
1918         * emit-rtl.c (adjust_address_1): Make sure memref is never
1919         overwritten.
1920
1921 2009-01-20  Ben Elliston  <bje@au.ibm.com>
1922
1923         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1924         const qualifier from arg parameter. Remove unnecessary cast to char *.
1925         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1926         const qualifier from arg 2.
1927
1928 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
1929
1930         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1931
1932 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1933
1934         PR c/38869
1935         * rtl.h (reinit_regs): New prototype.
1936         * regclass.c: Include ira.h.
1937         (reinit_regs): New.
1938         * Makefile.in (regclass.o): Add ira.h.
1939         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1940
1941 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
1942
1943         PR target/38736
1944         * c-common.c (handle_aligned_attribute): Use
1945         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1946         default alignment value.
1947
1948         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1949
1950         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1951         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1952
1953         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
1954         __BIGGEST_ALIGNMENT__.
1955
1956         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1957
1958 2009-01-18  Richard Guenther  <rguenther@suse.de>
1959
1960         PR tree-optimization/38819
1961         * tree-flow.h (operation_could_trap_helper_p): Declare.
1962         * tree-eh.c (operation_could_trap_helper_p): Export.
1963         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1964         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1965         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1966         are about to insert a possibly trapping instruction and fail
1967         in this case.
1968
1969 2009-01-18  Andreas Schwab  <schwab@suse.de>
1970
1971         * doc/install.texi (Configuration): Remove obsolete paragraph
1972         about use of --with-gnu-ld with --with-gnu-as.
1973
1974 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
1975
1976         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1977         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1978         Follow spelling conventions.
1979
1980 2009-01-18  Ben Elliston  <bje@au.ibm.com>
1981
1982         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1983         C++ warning about implicit conversion from void * to struct
1984         bitmap_head_def *.
1985         (bitmap_obstack_free): Likewise for bitmap_element *.
1986         * Makefile.in (bitmap.o-warn): Remove.
1987
1988 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
1989
1990         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
1991
1992 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
1993             Tobias Grosser  <tobi.grosser@amd.com>
1994
1995         * graphite.c (graphite_trans_scop_block): Do not block single
1996         nested loops.
1997
1998 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
1999
2000         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2001         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2002         test with assertion.
2003
2004 2009-01-16  Richard Guenther  <rguenther@suse.de>
2005
2006         PR tree-optimization/38835
2007         PR middle-end/36227
2008         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2009         and INT + PTR -> (INT)(PTR p+ INT) folding.
2010         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2011
2012 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2013
2014         PR target/38554
2015         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2016         the subreg from a lowpart subreg if it is also casting the value.
2017
2018 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2019             Tobias Grosser  <tobi.grosser@amd.com>
2020
2021         * graphite.c (compare_prefix_loops): New.
2022         (build_scop_canonical_schedules): Rewritten.
2023         (graphite_transform_loops): Move build_scop_canonical_schedules
2024         after build_scop_iteration_domain.
2025
2026 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2027             Tobias Grosser  <tobi.grosser@amd.com>
2028
2029         * graphite.c (add_conditions_to_domain): Add the loops to 
2030         the dimension of the iteration domain.  Do copy the domain
2031         only when it exists.
2032         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2033         (add_conditions_to_constraints): New.
2034         (can_generate_code_stmt, can_generate_code): Removed.
2035         (gloog): Do not call can_generate_code.
2036         (graphite_transform_loops): Call add_conditions_to_constraints
2037         after building the iteration domain.
2038
2039 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2040
2041         PR tree-optimization/38789
2042         * tree-ssa-threadedge.c
2043         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2044         __builtin_constant_p.
2045
2046 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2047
2048         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2049         examined before deleting them.
2050         
2051 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2052
2053         * function.c (aggregate_value_p): Correctly extract the function
2054         type from CALL_EXPR_FN lookup.
2055
2056 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2057
2058         * config/picochip/picochip.c (picochip_override_options): Revert
2059         CFI asm flag disable commited previously.
2060
2061 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2062             Tobias Grosser  <tobi.grosser@amd.com>
2063             Jan Sjodin  <jan.sjodin@amd.com>
2064
2065         * graphite.c (scan_tree_for_params): On substractions negate
2066         all the coefficients of the term.
2067         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2068         of more than two operands.
2069         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2070         (get_vdef_before_scop): Handle also the case of default definitions.
2071
2072 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2073
2074         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2075         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2076         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2077
2078 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2079             Joey Ye  <joey.ye@intel.com>
2080
2081         PR middle-end/37843
2082         * cfgexpand.c (expand_stack_alignment): Don't update stack
2083         boundary nor check incoming stack boundary here.
2084         (gimple_expand_cfg): Update stack boundary and check incoming
2085         stack boundary here.
2086
2087 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2088
2089         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2090         
2091 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2092
2093         PR rtl-optimization/38245
2094         * calls.c (expand_call): Add stack arguments to
2095         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2096         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2097         in regs and partially in memory or BLKmode arguments.
2098         (emit_library_call_value_1): Add stack arguments to
2099         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2100         ACCUMULATE_OUTGOING_ARGS).
2101         * dce.c: Include tm_p.h.
2102         (find_call_stack_args): New function.
2103         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2104         argument.
2105         (mark_insn): Call find_call_stack_args for CALL_Ps.
2106         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2107         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2108         down to deletable_insn_p, don't mark stores set in arg_stores
2109         bitmap, clear the bitmap at the beginning of each bb.
2110         * Makefile.in (dce.o): Depend on $(TM_P_H).
2111
2112 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2113
2114         PR target/22599
2115         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2116         to make sure the insn is a conditional test (bug 22599).  Reformat a
2117         few long lines.
2118
2119 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         PR middle-end/38431
2122         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2123         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2124         (gloog): Do not call cleanup_tree_cfg.
2125         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2126         scops have been code generated.
2127
2128 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2129         * doc/gty.texi (Invoking the garbage collector): Added new node
2130         and section documenting ggc_collect.
2131
2132 2009-01-14  Richard Guenther  <rguenther@suse.de>
2133
2134         PR tree-optimization/38826
2135         PR middle-end/38477
2136         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2137         initialization notes only if we actually emitted a warning.
2138         (intra_create_variable_infos): Add constraints for a result decl
2139         that is passed by hidden reference.
2140         (build_pred_graph): Mark all related variables non-direct on
2141         address-taking.
2142
2143 2009-01-14  Nick Clifton  <nickc@redhat.com>
2144
2145         * ira-conflicts.c: Include addresses.h for the definition of
2146         base_reg_class.
2147         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2148         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2149
2150 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2151
2152         PR target/38811
2153         * Makefile.in (ira-lives.o): Add except.h.
2154
2155         * ira-lives.c: Include except.h.
2156         (process_bb_node_lives): Process can_throw_internal.
2157
2158 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2159
2160         PR rtl-optimization/38774
2161         * combine.c (simplify_set): When undoing cc_use change, don't do
2162         PUT_CODE on the newly created comparison, but instead put back the
2163         old comparison.
2164
2165 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2166
2167         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2168         values.  Remove duplicate arm8 entry.
2169
2170 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2171
2172         PR tree-optimization/38786
2173         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2174         the SSA_NAME case of expand_scalar_variables_expr.
2175         Set the type of an expression to the type of its assign statement.
2176         (expand_scalar_variables_expr): Also gather the scalar computation
2177         used to index the memory access.  Do not pass loop_p.
2178         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2179         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2180         the gimple_stmt_iterator where it inserts new code.
2181         Do not pass loop_p.
2182         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2183         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2184
2185 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         * graphite.h (debug_value): Removed.
2188         * graphite.c (debug_value): Removed.
2189
2190 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2191
2192         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2193         ldrd/strd with two 32-bit instructions.
2194
2195 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2196
2197         * config/arm/arm.c (struct processors): Pass for speed down into
2198         cost helper functions.
2199         (const_ok_for_op): Handle COMPARE and inequality nodes.
2200         (arm_rtx_costs_1): Rewrite.
2201         (arm_size_rtx_costs): Update prototype.
2202         (arm_rtx_costs): Pass speed down to helper functions.
2203         (arm_slowmul_rtx_costs): Rework cost calculations.
2204         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2205         (arm_9e_rtx_costs): Likewise.
2206
2207 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2208
2209         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2210         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2211         (alpha_legitimize_address): Do not split local symbols wider than
2212         UNITS_PER_WORD into HIGH/LO_SUM parts.
2213
2214 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2215
2216         PR bootstrap/38580
2217         * gcc.c (process_command): Replace call to execvp with calls
2218         to pex_one and exit.
2219
2220 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2221
2222         PR target/29141
2223         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2224         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2225         variant for devices with 3-byte PC.
2226         (__tablejump_elpm__) : New.
2227
2228 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2229
2230         PR c/32041
2231         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2232         offsetof member-designator, handle it as `[0].'.
2233
2234 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2235
2236         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2237         function when not using named sections on targets with named sections
2238         if branch distance is less than 262132.
2239
2240 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2241
2242         * combine.c (combine_instructions):  Recompute
2243         optimize_this_for_speed_p  for each BB in the main combine loop.
2244
2245 2009-01-12  Tomas Bily  <tbily@suse.cz>
2246
2247         PR middlend/38385
2248         * tree-loop-distribution.c (prop_phis): New function.
2249         (generate_builtin): Call prop_phis.
2250         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2251
2252 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2253
2254         PR tree-optimization/38807
2255         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2256         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2257
2258 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2259
2260         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2261         subreg of op0 to the original op0.
2262
2263 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2264
2265         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2266         
2267 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2268
2269         PR debug/7055
2270         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2271         starting with digits.
2272
2273 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2274
2275         PR target/38695
2276         * config/arm/arm.c (arm_is_long_call_p): Don't call
2277         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2278
2279 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2280
2281         * regrename.c (regrename_optimize): Fix dumping.
2282         (find_oldest_value_reg): Preserve REG_POINTER.
2283         (copy_hardreg_forward_1): Likewise.
2284
2285 2009-01-09  Diego Novillo  <dnovillo@google.com>
2286
2287         * gimple.h (struct gimple_statement_base) <uid>: Document
2288         the restrictions on its use.
2289         (gimple_uid): Tidy.
2290         (gimple_set_uid): Tidy.
2291
2292 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2293
2294         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2295         zero guard even if align_bytes != 0 and count is smaller than
2296         size_needed.
2297
2298 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2299
2300         PR rtl-optimization/38495
2301         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2302         (add_range_and_copies_from_move_list): Print all added ranges.
2303         Add ranges to memory optimized destination.
2304
2305 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2306
2307         PR target/38686
2308         PR target/38708
2309         * config/i386/i386.c (override_options): Reject
2310         -mstringop-strategy=rep_8byte with -m32.
2311         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2312         to 1.  Do count comparison against epilogue_size_needed at compile
2313         time even when count_exp was constant forced into register.  For
2314         size_needed don't jump to epilogue, instead just avoid aligning
2315         and invoke the body algorithm.  If need_zero_guard, add zero guard
2316         even if count is non-zero, but smaller than size_needed + number of
2317         bytes that could be stored for alignment.
2318         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2319         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2320         but smaller than size_needed + number of bytes that could be stored
2321         for alignment.  Compare size_needed with epilogue_size_needed instead
2322         of desired_align - align, don't adjust size_needed, pass
2323         epilogue_size_needed to the epilogue expanders.
2324
2325         PR c/35742
2326         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2327
2328 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2329
2330         * pa.c (last_address): Change to unsigned.
2331         (update_total_code_bytes): Change argument to unsigned.  Don't
2332         check if insn addresses are set.
2333         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2334         addresses are not set.
2335         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2336
2337 2009-01-09  Nick Clifton  <nickc@redhat.com>
2338
2339         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2340         DECL_DECLARED_INLINE_P.
2341
2342 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2343
2344         PR middle-end/38347
2345         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2346         GET_MODE (op0) in operand_subword_force calls.
2347
2348         PR middle-end/38771
2349         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2350         fold_convert arg0 operands to TREE_TYPE (op0) first.
2351
2352 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2353
2354         * params.def (ira-max-conflict-table-size): Decrease default value
2355         to 1000.
2356
2357 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2358
2359         PR tree-optimization/37031
2360         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2361         on parameter_set.
2362         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2363         allocate it using gc instead of heap, use VEC_quick_push instead of
2364         VEC_safe_push.
2365         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2366         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2367         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2368         allocated vector from heap allocated.
2369         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2370         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2371         vector only after perfect_loop_nest_depth call.
2372
2373 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2374             Jan Sjodin  <jan.sjodin@amd.com>
2375
2376         PR tree-optimization/38559
2377         * graphite.c (debug_value, copy_constraint,
2378         swap_constraint_variables, scale_constraint_variable, ): New.
2379         (get_lower_bound, get_upper_bound): Removed.
2380         (graphite_trans_bb_strip_mine): Clean up this code that works
2381         only for constant number of iterations.  Fully copy upper and
2382         lower bound constraints, not only the constant part of them.
2383         * graphite.h (debug_value): Declared.
2384
2385 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2386
2387         PR tree-optimization/37194
2388         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2389         Don't add the cost of cost model guard in prologue to scalar 
2390         outside cost in case of known number of iterations.
2391
2392 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2393             Alan Modra  <amodra@bigpond.net.au>
2394
2395         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2396         non-word-aligned REG+CONST addressing.
2397
2398 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2399
2400         PR target/38706
2401         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2402         free_after_compilation when outputting a thunk.
2403         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2404         Do not call free_after_compilation here.
2405
2406 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2409         (ix86_valid_target_attribute_inner_p): Ditto.
2410
2411 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2412
2413         PR tree-optimization/38492
2414         PR tree-optimization/38498
2415         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2416         * tree-chrec.h (scev_is_linear_expression): Declared.
2417         * graphite.c (graphite_cannot_represent_loop_niter): New.
2418         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2419         (graphite_loop_normal_form): Use gcc_assert.
2420         (scan_tree_for_params): Use CASE_CONVERT.
2421         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2422         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2423         Use gcc_assert.  Discard scops that contain unhandled cases.
2424         (build_scop_conditions): Return a boolean status for unhandled cases.
2425         (strip_mine_profitable_p): Print the loop number, not its depth.
2426         (is_interchange_valid): Pass the depth of the loop nest, don't
2427         recompute it wrongly.
2428         (graphite_trans_bb_block): Same.
2429         (graphite_trans_bb_block): Print tentative of loop blocking.
2430         (graphite_trans_scop_block): Do not print that the loop has been
2431         blocked.
2432         (graphite_transform_loops): Do not handle scops that contain condition
2433         scalar phi nodes.
2434
2435 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2436
2437         AVX Programming Reference (December, 2008)
2438         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2439         (_mm256_stream_pd): Likewise.
2440         (_mm256_stream_ps): Likewise.
2441
2442         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2443         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2444         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2445         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2446         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2447         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2448         (ix86_expand_special_args_builtin): Likewise.
2449
2450         * config/i386/sse.md (AVXMODEDI): New.
2451         (avx_movnt<mode>): Likewise.
2452         (avx_movnt<mode>): Likewise.
2453         (<sse>_movnt<mode>): Remove AVX support.
2454         (sse2_movntv2di): Likewise.
2455
2456 2009-01-07  Richard Guenther  <rguenther@suse.de>
2457
2458         PR middle-end/38751
2459         * fold-const.c (extract_muldiv): Remove obsolete comment.
2460         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2461         to PLUS_EXPR canonicalization for the canonicalization.
2462
2463 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2464
2465         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2466         hosted cross-compilers generating less efficient code.
2467
2468 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2469
2470         * function.h (rtl_data): Add a dbr_scheduled_p field.
2471         * reorg.c (dbr_schedule): Set it.
2472         (gate_handle_delay_slots): Check it.
2473         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2474         (mips_reorg): Check flag_delayed_branch instead of
2475         mips_base_delayed_branch.
2476         (mips_override_options): Don't set mips_base_delayed_branch
2477         or flag_delayed_branch.
2478
2479 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2480
2481         PR rtl-optimization/38426.
2482         * ira.c (ira): Set current_function_is_leaf earlier.
2483
2484 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2485
2486         PR rtl-optimization/38722
2487         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2488         too early, only set a flag and modify after last possible
2489         undo_all point.
2490
2491 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2492
2493         PR c/34252
2494         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2495         * real.c (decimal_single_format): Correct values of emin and emax.
2496         (decimal_double_format): Ditto.
2497         (decimal_quad_format): Ditto.
2498         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2499         computation of DECnn_MIN and DECnn_MAX for corrected values of
2500         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2501         __DECnn_MIN__, and adjust its computation for the corrected value
2502         of emin.
2503
2504 2009-01-06  Jan Hubicka  <jh@suse.cz>
2505
2506         PR target/38744
2507         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2508
2509 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2510
2511         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2512         Add Robert Clark to the list of testers.
2513
2514 2009-01-06  Jan Hubicka  <jh@suse.cz>
2515             Kai Tietz  <kai.tietz@onevision.com>
2516
2517         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2518         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2519
2520 2009-01-06  Jan Hubicka  <jh@suse.cz>
2521             Kai Tietz  <kai.tietz@onevision.com>
2522
2523         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2524         for w64 ABI.
2525         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2526         (ix86_nsaved_regs): Count only general purpose regs.
2527         (ix86_nsaved_sseregs): New.
2528         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2529         to 16 for w64; compute padding and size of sse reg save area.
2530         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2531         general purpose regs.
2532         (ix86_emit_save_sse_regs_using_mov): New.
2533         (ix86_expand_prologue): Save SSE regs if needed.
2534         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2535         (ix86_emit_restore_sse_regs_using_mov): New.
2536         (ix86_expand_epilogue): Save SSE regs if needed.
2537
2538 2009-01-06  Jan Hubicka  <jh@suse.cz>
2539             Kai Tietz  <kai.tietz@onevision.com>
2540
2541         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2542         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2543         functions when accumulate outgoing args is off.
2544
2545 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2546
2547         PR bootstrap/38742
2548         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2549         before using pseudos_have_intersected_live_ranges_p.
2550
2551         * ira-int.h (ira_assert): Always define.
2552
2553 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2554
2555         AVX Programming Reference (December, 2008)
2556         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2557         (_mm256_permute2_pd): Likewise.
2558         (_mm_permute2_ps): Likewise.
2559         (_mm256_permute2_ps): Likewise.
2560         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2561         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2562
2563         * config/i386/i386.c (ix86_builtins): Remove
2564         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2565         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2566         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2567         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2568         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2569         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2570         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2571         __builtin_ia32_vpermil2ps256.
2572         (ix86_init_mmx_sse_builtins): Updated.
2573         (ix86_expand_args_builtin): Likewise.
2574
2575 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2576
2577         * pa.c (output_call): Relocate non-jump insns in the delay slot of
2578         long absolute calls when generating PA 2.0 code.
2579
2580 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
2581
2582         PR rtl-optimization/38583
2583         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2584
2585         * params.def (ira-max-conflict-table-size): New.
2586
2587         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2588         
2589         * ira.h (ira_conflicts_p): New external definition.
2590         
2591         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2592         table.  Report this.  Return result of building.
2593         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
2594         building conflict table.
2595
2596         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2597         (ira_color): Use ira_conflicts_p.
2598         
2599         * global.c: Include ira.h.
2600         (pseudo_for_reload_consideration_p, build_insn_chain): Use
2601         ira_conflicts_p.
2602
2603         * Makefile.in (global.o): Add ira.h.
2604         
2605         * ira-build.c (mark_all_loops_for_removal,
2606         propagate_some_info_from_allocno): New.
2607         (remove_unnecessary_allocnos): Call
2608         propagate_some_info_from_allocno.
2609         (remove_low_level_allocnos): New.
2610         (remove_unnecessary_regions): Add parameter.  Call
2611         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
2612         parameter to remove_unnecessary_regions.
2613         (ira_build): Remove all regions but root if the conflict table was
2614         not built.  Update conflict hard regs for allocnos crossing calls.
2615
2616         * ira.c (ira_conflicts_p): New global.
2617         (ira): Define and use ira_conflicts_p.
2618
2619         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2620         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2621         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2622         
2623 2009-01-06  Ben Elliston  <bje@au.ibm.com>
2624
2625         * gengtype-lex.l (YY_NO_INPUT): Define.
2626
2627 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2628
2629         PR c/34911
2630         * c-common.c (handle_vector_size_attribute): Also reject
2631         BOOLEAN_TYPE types.
2632
2633 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         PR tree-optimization/38492
2636         * graphite.c (rename_map_elt, debug_rename_elt,
2637         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2638         rename_map_elt_info, eq_rename_map_elts,
2639         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2640         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2641         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2642         (sese_build_livein_liveouts): New.
2643         (new_sese, free_sese): New.
2644         (new_scop): Call new_sese.
2645         (free_scop): Call free_sese.
2646         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2647         (register_old_new_names): Renamed register_old_and_new_names.
2648         (register_scop_liveout_renames, add_loop_exit_phis,
2649         insert_loop_close_phis, struct igp,
2650         default_liveout_before_guard, add_guard_exit_phis,
2651         insert_guard_phis, copy_renames): New.
2652         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2653         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2654         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2655         (scop_adjust_phis_for_liveouts): New.
2656         (gloog): Call scop_adjust_phis_for_liveouts.
2657
2658         * graphite.h (struct sese): Documented.  Added fields liveout,
2659         num_ver and livein.
2660         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2661         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2662         (struct scop): Added field liveout_renames.
2663         (SCOP_LIVEOUT_RENAMES): New.
2664
2665 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2666
2667         PR tree-optimization/38510
2668         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2669         (translate_clast): Call recompute_all_dominators before
2670         graphite_verify.
2671         (gloog): Call recompute_all_dominators before graphite_verify.
2672
2673 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2674             Jan Sjodin  <jan.sjodin@amd.com>
2675
2676         PR tree-optimization/38500
2677         * graphite.c (create_sese_edges): Call fix_loop_structure after
2678         splitting blocks.
2679
2680 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
2681
2682         * config.gcc: Add m32r*-*-rtems*.
2683         * config/m32r/rtems.h: New file.
2684
2685 2009-01-05  Ben Elliston  <bje@au.ibm.com>
2686
2687         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2688         (.po.pox): Likewise.
2689         (po/gcc.pot): Likewise.
2690
2691 2009-01-04  David S. Miller  <davem@davemloft.net>
2692
2693         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2694         (STARTING_FRAME_OFFSET): Always set to zero.
2695
2696 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2697
2698         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2699         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2700         fixed-point types, and vectors of the same.
2701
2702 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2703
2704         * config/mips/sync.md (*mb_barrier): Rename to...
2705         (*memory_barrier): ...this.
2706
2707 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
2708
2709         * doc/extend.texi (Function Attributes): Move @cindex after @item
2710         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2711         and put in alphabetical order. Fix 'target' name and put in order.
2712         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2713         typos.
2714
2715 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
2716
2717         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2718         (memory_barrier): Expand as unspec instead of unspec_volatile.
2719         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2720         (*memory_barrier): Define as unspec instead of unspec_volatile.
2721         Use (match_dup 0) as input operand.
2722
2723         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2724         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2725         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
2726         scratch register.  Remove operand 1.
2727         (*stbar): Define as unspec instead of unspec_volatile.
2728         Use (match_dup 0) as input operand, remove (const_int 8).
2729         (*membar): Define as unspec instead of unspec_volatile.
2730         Use (match_dup 0) as input operand, remove input operand 2.
2731
2732         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2733         (memory_barrier): Expand as unspec instead of unspec_volatile.
2734         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2735         (*memory_barrier): Define as unspec instead of unspec_volatile.
2736         Use (match_dup 0) as input operand.
2737
2738         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2739         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2740         Set volatile flag on operand 0.
2741         (*memory_barrier): New insn pattern.
2742
2743         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2744         insn operands.
2745         (*memory_barrier): Use (match_dup 0) as input operand.
2746
2747         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2748         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2749         Set volatile flag on operand 0.
2750         (*mb_internal): New insn pattern.
2751
2752         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2753
2754 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2755
2756         PR middle-end/38586
2757         * function.c (struct temp_slot): Move to the section of the file
2758         that deals with temp slots.  Remove field 'address'.
2759         (temp_slot_address_table): New hash table of address -> temp slot.
2760         (struct temp_slot_address_entry): New struct, items for the table.
2761         (temp_slot_address_compute_hash, temp_slot_address_hash,
2762         temp_slot_address_eq, insert_temp_slot_address): Support functions
2763         for the new table.
2764         (find_temp_slot_from_address): Rewrite to use the new hash table.
2765         (remove_unused_temp_slot_addresses): Remove addresses of temp
2766         slots that have been made available.
2767         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2768         worker function for remove_unused_temp_slot_addresses.
2769         (assign_stack_temp_for_type): Don't clear the temp slot address list.
2770         Add the temp slot address to the address -> temp slot map.
2771         (update_temp_slot_address): Update via insert_temp_slot_address.
2772         (free_temp_slots): Call remove_unused_temp_slot_addresses.
2773         (pop_temp_slots): Likewise.
2774         (init_temp_slots): Allocate the address -> temp slot map, or empty
2775         the map if it is already allocated.
2776         (prepare_function_start): Initialize temp slot processing.
2777
2778 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2779
2780         PR middle-end/38584
2781         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2782         Calculate the size of all stack vars assuming no packing of stack
2783         vars will happen, replacing a quadratic algorithm with a linear one.
2784
2785 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2786
2787         PR target/38707
2788         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2789         can't be used.
2790
2791 2009-01-03  Diego Novillo  <dnovillo@google.com>
2792
2793         * doc/contrib.texi: Update contributions.
2794
2795 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2796
2797         PR c++/38705
2798         * builtins.c (fold_builtin_memory_op): Give up if either operand
2799         is volatile.  Set srctype or desttype to non-qualified version
2800         of the other type.
2801
2802         PR c/38700
2803         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2804         and FUNCTION_DECLs.
2805
2806 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
2807
2808         PR rtl-optimization/35805
2809         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2810         problem if fast dce is able to remove any instructions.
2811         * dce.c (dce_process_block): Fix dump message.
2812         
2813 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
2814
2815         PR 33649
2816         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2817
2818 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR middle-end/38690
2821         * tree-flow.h (op_code_prio, op_prio): New prototypes.
2822         * tree-pretty-print.c (op_code_prio): New function.
2823         (op_prio): No longer static.  Use op_code_prio.
2824         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2825         Use op_prio and op_code_prio to determine if () should be
2826         printed around operand(s) or not.
2827
2828         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2829         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2830         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2831         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2832         pp_character instead of pp_string for single letter printing.
2833
2834 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2835
2836         * doc/extend.texi: Fix '#pragma GCC option' typo.
2837
2838 2009-01-02  Richard Guenther  <rguenther@suse.de>
2839
2840         * doc/install.texi (--enable-checking): Mention different
2841         default for stage1.
2842         (--enable-stage1-checking): Document.
2843
2844 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
2845
2846         PR middle-end/30142
2847         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
2848         case to be an error.
2849
2850 2009-01-02  Ben Elliston  <bje@au.ibm.com>
2851
2852         * config/fp-bit.h (pack_d): Constify argument.
2853         * config/fp-bit.c (makenan): Constify return type. Remove casts.
2854         (isnan): Constify argument.
2855         (isinf): Likewise.
2856         (iszero): Likewise.
2857         (pack_d): Likewise.
2858         (_fpadd_parts): Constify return type.
2859         (_fpmul_parts): Likewise.
2860         (_fpdiv_parts): Likewise.
2861
2862 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
2863
2864         PR c/36489
2865         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
2866         warn about overwriting initializer with side-effects or
2867         -Woverride-init if !IMPLICIT.
2868         (output_init_element): Likewise.  Pass IMPLICIT down to
2869         add_pending_init.
2870         (process_init_element): Add IMPLICIT argument.  Pass it down
2871         to output_init_element.
2872         (push_init_element, pop_init_level, set_designator): Adjust
2873         process_init_element callers.
2874         (set_nonincremental_init, set_nonincremental_init_from_string):
2875         Adjust add_pending_init callers.
2876         (output_pending_init_elements): Adjust output_init_element callers.
2877         * c-tree.h (process_init_element): Adjust prototype.
2878         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2879         process_init_element callers.