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