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1 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/39476
4         * config/i386/i386.c (ix86_function_regparm): Rewrite for
5         64bit.
6
7 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8
9         PR target/39473
10         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
11         for ms->sysv ABI calls only in 64bit mode.
12
13         * config/i386/i386.md (untyped_call): Support 32bit.
14
15 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
16
17         * doc/extend.texi: Replace x86_65 with x86_64.
18
19 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
20
21         PR tree-optimization/39455
22         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
23         mismatches for POINTER_TYPE_P (type).
24         (number_of_iterations_le): Likewise.
25
26 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
27
28         * config/picochip/picochip.c: Removed profiling support.
29         * config/picochip/picochip.md: Removed profiling instruction.
30         * config/picochip/picochip.h: Removed profiling builtin.
31
32 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
33
34         * doc/install.texi (--with-host-libstdcxx): Document.
35
36 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
37
38         PR target/34299
39         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
40         generate a warning if the function name does not begin with
41         "__vector" and the function has either the 'signal' or 'interrupt'
42         attribute, from here to ...
43         (avr_declare_function_name): ...here. New function.
44         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
45         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
46
47 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
48
49         PR bootstrap/39454
50         * cse.c (fold_rtx): Don't modify original const_arg1 when
51         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
52         separate variable instead.
53         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
54         from out of range shift counts.
55         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
56
57 2008-03-13  Catherine Moore  <clm@codesourcery.com>
58
59         *  gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
60         diagnostic.h with $(DIAGNOSTIC_H).
61
62 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
63
64         PR target/39431
65         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
66         predicate.
67         * config/i386/sync.md (sync_compare_and_swap<mode>,
68         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
69         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
70         into a register.
71         (sync_double_compare_and_swapdi_pic,
72         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
73         cmpxchg8b_pic_memory_operand instead of just memory_operand.
74
75 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
76
77         PR target/39445
78         * config/i386/i386.c (ix86_expand_push): Don't set memory
79         alignment.
80
81 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
82
83         PR target/39327
84         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
85         (avx_addsubv4df3): Likewise.
86         (*avx_addsubv4sf3): Likewise.
87         (sse3_addsubv4sf3): Likewise.
88
89 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
90
91         PR target/38824
92         * config/i386/i386.md: Compare REGNO on the new peephole2
93         patterns.
94
95 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
96
97         PR debug/39432
98         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
99         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
100         registers for allocnos created from user-defined variables.
101
102 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
103
104         PR target/39181
105         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
106         of non-integer mode as well.
107
108 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
109
110         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
111         for functions for which the parameter types are unknown.
112
113 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
114
115         PR target/39137
116         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
117         macro.
118         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
119         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
120         * config/i386/i386.c (ix86_local_alignment): For
121         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
122         long long variables on the stack to avoid dynamic realignment.
123         Allow the first argument to be a decl rather than type.
124         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
125
126 2009-03-11  Nick Clifton  <nickc@redhat.com>
127
128         PR target/5362
129         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
130         options.
131         Add description to mno-lsim option.
132         * config/mcore/mcore.h: Remove comment about deprecated m4align
133         option.
134         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
135         * doc/invoke.texi: Add description of mno-lsim and
136         mstack-increment options.
137
138         * config/fr30/fr30.opt: Document the -mno-lsim option.
139         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
140         and -mno-lsim options.
141
142 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
143
144         * fold-const.c (fold_comparison): Only call fold_inf_compare
145         if the mode supports infinities.
146
147 2009-03-11  Jason Merrill  <jason@redhat.com>
148
149         PR debug/39086
150         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
151         end already did.  Notice GIMPLE_CALL modifications of the result.
152         Don't copy debug information from an ignored decl or a decl from
153         another function.
154
155 2009-03-10  Richard Guenther  <rguenther@suse.de>
156             Nathan Froyd  <froydnj@codesourcery.com>
157
158         PR middle-end/37850
159         * libgcc2.c (__mulMODE3): Use explicit assignments to form the
160         result.
161         (__divMODE3): Likewise.
162
163 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
164
165         PR tree-optimization/39394
166         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
167         DECL_SIZE_UNIT of variable length FIELD_DECLs.
168
169 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
170
171         * recog.c (verfiy_changes): Disallow renaming of hard regs in
172         inline asms for register asm ("") declarations.
173
174 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
175
176         * fold-const.c (fold_unary): Fix comment.
177
178 2009-03-07  Jan Hubicka  <jh@suse.cz>
179
180         PR target/39361
181         * tree-inline.c (setup_one_parameter): Do replacement of const argument
182         by constant in SSA form.
183
184 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
185
186         PR middle-end/38028
187         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
188         determine alignment passed to assign_stack_local.
189         (assign_parms_unsplit_complex): Likewise.
190         * except.c (sjlj_build_landing_pads): Likewise.
191
192 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
193
194         PR middle-end/39360
195         * tree-flow.h (add_referenced_var): Return bool instead of void.
196         * tree-dfa.c (add_referenced_var): Return result of
197         referenced_var_check_and_insert call.
198         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
199         of referenced_var_check_and_insert.
200
201         PR debug/39372
202         * dwarf2out.c (add_abstract_origin_attribute): Return
203         origin_die.
204         (gen_variable_die): Emit DW_AT_location on abstract static variable's
205         DIE, don't emit it if abstract origin already has it.
206         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
207         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
208
209 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
210
211         * genpreds.c: (needs_variable): Fix parentheses at variable name
212         detection.
213         (write_tm_constrs_h): Indent generated code.
214
215 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
216
217         * doc/extend.texi (Function Attributes): Add documentation
218         for isr attributes.
219
220 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
221
222         PR debug/39387
223         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
224         take locus from its DECL_SOURCE_LOCATION instead of input_location.
225
226 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
227
228         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
229         the loop as bad.
230
231 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
232
233         PR debug/39379
234         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
235         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
236
237 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
238
239         * config/i386/i386.md (R8_REG, R9_REG): New constants.
240         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
241         constants instead of magic numbers.
242         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
243         (QI_REG_P): Ditto.
244         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
245         (x86_64_ms_abi_int_parameter_registers): Ditto.
246         (x86_64_int_return_registers): Ditto.
247         (ix86_maybe_switch_abi): Ditto.
248         (ix86_expand_call): Ditto for clobbered_registers array.
249         (ix86_hard_regno_mode_ok): Ditto.
250         (x86_extended_QIreg_mentioned_p): Ditto.
251
252 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
253
254         PR tree-optimization/39349
255         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
256
257         * combine.c (gen_lowpart_for_combine): Use omode when generating
258         clobber.
259
260 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
261
262         PR rtl-optimization/39235
263         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
264
265 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
266
267         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
268
269 2009-03-04  Richard Guenther  <rguenther@suse.de>
270
271         PR tree-optimization/39362
272         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
273         that occur in abnormal PHIs should be varying.
274
275 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
276
277         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
278         Extend comments.
279         (simple_iv):  Take loop as an argument instead of statement.
280         * tree-scalar-evolution.h (simple_iv): Declaration changed.
281         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
282         to simple_iv.
283         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
284         Ditto.
285         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
286         * matrix-reorg.c (analyze_transpose): Ditto.
287         * tree-data-ref.c (dr_analyze_innermost): Ditto.
288         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
289         * tree-predcom.c (ref_at_iteration): Ditto.
290         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
291
292 2009-03-04  Richard Guenther  <rguenther@suse.de>
293
294         PR tree-optimization/39358
295         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
296         escaped_id and callused_id.
297         (solve_graph): Likewise.
298
299 2009-03-04  Richard Guenther  <rguenther@suse.de>
300
301         PR tree-optimization/39339
302         * tree-sra.c (try_instantiate_multiple_fields): Make it
303         no longer ICE on the above.
304
305 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
306
307         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
308         that fits within Pmode.
309
310 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
311
312         PR middle-end/10109
313         * tm.texi (LIBCALL_VALUE): Update description.
314
315 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
316
317         PR middle-end/34443
318         * doc/extend.texi (section): Update description.
319
320 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
321
322         PR middle-end/39345
323         * tree-inline.c (remapped_type): New.
324         (can_be_nonlocal): Call remapped_type instead of remap_type.
325
326 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
327
328         PR fortran/39354
329         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
330         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
331
332 2009-03-03  Richard Guenther  <rguenther@suse.de>
333
334         PR middle-end/39272
335         * tree.c (tree_nonartificial_location): New function.
336         * tree.h (tree_nonartificial_location): Declare.
337         * builtins.c (expand_builtin_memory_chk): Provide location
338         of the call location for artificial function pieces.
339         (maybe_emit_chk_warning): Likewise.
340         (maybe_emit_sprintf_chk_warning): Likewise.
341         (maybe_emit_free_warning): Likewise.
342         * expr.c (expand_expr_real_1): Likewise.
343
344 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
345
346         PR tree-optimization/39343
347         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
348         COMPONENT_REF t has ARRAY_TYPE.
349
350 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
351
352         PR middle-end/39335
353         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
354         when the type precision of the induction variable should be
355         larger than the type precision of nit.
356         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
357         * graphite.c (graphite_loop_normal_form): Same.
358         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
359
360 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
361
362         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
363         (*call_1_rex64_ms_sysv): Use named constants instead of magic
364         numbers to describe clobbered registers.
365         (*call_value_0_rex64_ms_sysv): Ditto.
366         * config/i386/mmx.md (mmx_emms): Ditto.
367         (mmx_femms): Ditto.
368
369 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
370
371         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
372         of ABI_64.
373
374 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
375
376         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
377         (spu_section_type_flags): New function.
378
379 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
380
381         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
382         reg_class_contents of FLOAT_REGS into a temporary.
383
384 2009-03-02  Richard Guenther  <rguenther@suse.de>
385             Ira Rosen  <irar@il.ibm.com>
386
387         PR tree-optimization/39318
388         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
389         information to the vectorized statement.
390
391 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
392
393         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
394         variable.  Use defined names instead of magic constants for REX SSE
395         registers.
396
397 2009-03-01  Richard Guenther  <rguenther@suse.de>
398
399         PR tree-optimization/39331
400         * omp-low.c (lower_send_shared_vars): Do not receive new
401         values for the reference of DECL_BY_REFERENCE parms or results.
402
403 2009-03-01  Jan Hubicka  <jh@suse.cz>
404
405         PR debug/39267
406         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
407         BLOCK_NONLOCALIZED_VAR): New macros.
408         (tree_block): Add nonlocalized_vars.
409         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
410         gen_decl_die): Add origin argument.  Allow generation of die with
411         origin at hand only.
412         (gen_member_die, gen_type_die_with_usage, force_decl_die,
413         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
414         of gen_*.
415         (gen_block_die): Fix checking for unused blocks.
416         (process_scope_var): Break out from .... ; work with origins only.
417         (decls_for_scope) ... here; process nonlocalized list.
418         (dwarf2out_ignore_block): Look for nonlocalized vars.
419         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
420         vars.
421         (dump_scope_block): Dump them.
422         * tree-inline.c (remap_decls): Handle nonlocalized vars.
423         (remap_block): Likewise.
424         (can_be_nonlocal): New predicate.
425         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
426
427 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
428
429         * configure: Regenerate.
430
431 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
432
433         * optc-gen.awk: No need to duplicate option flags twice.
434         Reuse help texts for duplicate options which do not have
435         any.
436
437         * gcc.c (display_help): Document --version.
438
439         * gcc.c (main): If print_help_list and verbose_flag, ensure
440         driver output comes before subprocess output.
441
442         * optc-gen.awk: Assign all remaining fields to help string,
443         space-separated, for multi-line help in *.opt.
444
445         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
446         -Wno-pedantic-ms-format is for MinGW targets only.
447
448         * doc/options.texi (Option file format): Fix bad indentation,
449         restoring dropped sentence.
450
451 2009-02-28  Jan Hubicka  <jh@suse.cz>
452
453         * tree-inline.c (tree_function_versioning): Output debug info.
454
455 2009-02-28  Jan Hubicka  <jh@suse.cz>
456
457         PR debug/39267
458         * tree-inline.c (setup_one_parameter): Do not copy propagate
459         arguments when not optimizing.
460
461 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
462
463         PR target/39327
464         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
465         (avx_addsubv4df3): Likewise.
466         (*avx_addsubv4sf3): Likewise.
467         (sse3_addsubv4sf3): Likewise.
468         (*avx_addsubv2df3): Likewise.
469         (sse3_addsubv2df3): Likewise.
470         (avx_unpckhps256): Correct item selectors.
471         (avx_unpcklps256): Likewise.
472         (avx_unpckhpd256): Likewise.
473         (avx_unpcklpd256): Likewise.
474
475 2009-02-28  Jan Hubicka  <jh@suse.cz>
476
477         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
478         static vars.
479         (copy_arguments_for_versioning): If var is declared don't declare it.
480         (tree_function_versioning): First setup substitutions and then copy
481         args.
482
483 2009-02-27  Jan Hubicka  <jh@suse.cz>
484
485         PR debug/39267
486         * cgraph.h (varpool_output_debug_info): Remove.
487         * cgraphunit.c (varpool_output_debug_info): Remove.
488         * dwarf2out.c (deferred_locations_struct): New struct
489         (deferred_locations): New type.
490         (deferred_locations_list): New static var.
491         (deffer_location): New function.
492         (gen_variable_die): Use it.
493         (decls_for_scope): Output info on local static vars.
494         (dwarf2out_finish): Process deferred locations.
495         * varpool.c (varpool_output_debug_info): Remove.
496
497 2009-02-27  Jan Hubicka  <jh@suse.cz>
498
499         PR debug/39267
500         * tree.h (TREE_PROTECTED): Fix comment.
501         (BLOCK_HANDLER_BLOCK): Remove.
502         (struct tree_block): Remove handler_block add body_block.
503         (inlined_function_outer_scope_p): New.
504         (is_body_block): Remove.
505         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
506         * dwarf2out.c (is_inlined_entry_point): Remove.
507         (add_high_low_attributes): Use inlined_function_outer_scope_p.
508         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
509         code.
510         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
511         * gimplify.c (gimplify_expr): Gimplify body blocks.
512         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
513         block with multiple subblocks.
514         (dump_scope_block): Prettier output; dump more flags and info.
515         (dump_scope_blocks): New.
516         (remove_unused_locals): Use dump_scope_blocks.
517         * tree-flow.h (dump_scope_blocks): Declare.
518         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
519         * stmt.c (is_body_block): Remove.
520         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
521         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
522
523 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
524
525         PR middle-end/39308
526         * graphite.c (graphite_loop_normal_form): Do not call 
527         number_of_iterations_exit from a gcc_assert.
528
529 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
530
531         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
532         jumps if COND is NULL.
533         (find_cond_jump): New function.
534         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
535         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
536
537 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
538
539         * config/alpha/alpha.h (alpha_expand_mov): Return false if
540         force_const_mem returns NULL_RTX.
541
542 2009-02-26  Jan Hubicka  <jh@suse.cz>
543
544         PR debug/39267
545         * cgraph.h (varpool_output_debug_info): Remove.
546         * cgraphunit.c (varpool_output_debug_info): Remove.
547         * dwarf2out.c (deferred_locations_struct): New struct
548         (deferred_locations): New type.
549         (deferred_locations_list): New static var.
550         (deffer_location): New function.
551         (gen_variable_die): Use it.
552         (decls_for_scope): Output info on local static vars.
553         (dwarf2out_finish): Process deferred locations.
554         * varpool.c (varpool_output_debug_info): Remove.
555
556 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
557
558         PR rtl-optimization/39241
559         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
560         to subreg_offset_representable_p.
561
562 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
563
564         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
565         execute function prototype.  Get f and nregs from max_reg_num
566         and get_insns.  Remove the first backward pass as it's dead,
567         guard the forward pass by flag_expensive_optimizations.
568         (rest_of_handle_regmove): Delete.
569         (pass_regmove): Replace it with regmove_optimize.
570
571 2009-02-25  Martin Jambor  <mjambor@suse.cz>
572
573         PR tree-optimization/39259
574         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
575         calls_alloca function flags.
576         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
577         calls are detected.
578
579 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
580
581         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
582         flags_set_1_rtx, flags_set_1_set): Delete.
583         (regmove_optimize): Do not call mark_flags_life_zones.
584
585 2009-02-24  Julian Brown  <julian@codesourcery.com>
586
587         PR target/35965
588         * config/arm/arm.c (require_pic_register): Only set
589         cfun->machine->pic_reg once per function.
590
591 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
592
593         * doc/invoke.texi (Link Options): Document an easier way to pass
594         options that take arguments to the GNU linker using -Xlinker and -Wl.
595
596 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
597
598         PR target/33785
599         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
600
601 2009-02-24  Richard Guenther  <rguenther@suse.de>
602
603         PR debug/39285
604         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
605
606 2009-02-24  Richard Guenther  <rguenther@suse.de>
607             Zdenek Dvorak  <ook@ucw.cz>
608
609         PR tree-optimization/39233
610         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
611         from converting them to a generic type.
612
613 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
614
615         PR tree-optimization/39260
616         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
617         contains a condition with a real type.
618         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
619
620 2009-02-23  Jason Merrill  <jason@redhat.com>
621
622         PR c++/38880
623         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
624         narrowing_initializer_constant_valid_p.
625         (narrowing_initializer_constant_valid_p): Don't return 
626         null_pointer_node for adding a pointer to itself.
627
628 2009-02-23  Jan Hubicka  <jh@suse.cz>
629
630         PR c/12245
631         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
632         resizing.
633
634 2009-02-23  Jan Hubicka  <jh@suse.cz>
635
636         PR tree-optimization/37709
637         * tree.c (block_ultimate_origin): Move here from dwarf2out.
638         * tree.h (block_ultimate_origin): Declare.
639         * dwarf2out.c (block_ultimate_origin): Move to tree.c
640         * tree-ssa-live.c (remove_unused_scope_block_p):
641         Eliminate blocks containig no instructions nor live variables nor
642         nested blocks.
643         (dump_scope_block): New function.
644         (remove_unused_locals): Enable removal of dead blocks by default;
645         enable dumping at TDF_DETAILS.
646
647 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
648
649         * config/i386/i386.c (classify_argument): Don't allow COImode
650         and OImode.
651         (function_arg_advance_32): Don't allow OImode.
652         (function_arg_32): Likewise.
653         (function_value_32): Likewise.
654         (return_in_memory_32): Likewise.
655         (function_arg_64): Remove OImode comment.
656
657 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
658
659         PR target/39261
660         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
661         ix86_expand_vector_set for V4DImode in 64bit mode only.
662         (ix86_expand_vector_init_one_var): Likewise.
663
664 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
665
666         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
667
668 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
669
670         PR bootstrap/39257
671         * loop-iv.c: Revert last change.
672         * emit-rtl.c: Likewise.
673
674 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
675
676         PR target/39256
677         * config/i386/i386.c (type_natural_mode): Remove an extra
678         space in the warning message.
679         (function_value_32): Handle 32-byte vector modes.
680         (return_in_memory_32): Likewise.
681
682 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
683
684         * loop-iv.c (truncate_value): New function.
685         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
686         of lowpart_subreg.
687         (lowpart_subreg): Move to...
688         * emit-rtl.c: ...here.
689
690 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
691
692         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
693         accidental and undocumented change at revision 140860.
694
695 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
696
697         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
698         take gimple_seq * arguments.
699         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
700         types_compatible_p langhook.
701
702 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
703             Joseph Myers  <joseph@codesourcery.com>
704
705         * config/arm/arm.c (arm_builtin_va_list): New function.
706         (arm_expand_builtin_va_start): Likewise.
707         (arm_gimplify_va_arg_expr): Likewise.
708         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
709         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
710         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
711         (va_list_type): New variable.
712         (arm_mangle_type): Mangle va_list_type appropriately.
713
714 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
715
716         PR middle-end/39157
717         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
718         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
719         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
720         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
721         parameter to 1000 for -O1 by default.
722         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
723         parameter.
724         * loop-invariant.c: Include params.h.
725         (move_loop_invariants): Don't call move_single_loop_invariants on
726         very large loops.
727
728 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
729
730         * calls.c (emit_library_call_value_1): Use slot_offset instead of
731         offset when calculating bounds for indexing stack_usage_map.  Fixes
732         a buffer overflow with certain target setups.
733
734 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
735
736         PR target/39240
737         * calls.c (expand_call): Clear try_tail_call if caller and callee
738         disagree in promotion of function return value.
739
740 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
741
742         PR target/39175
743         * c-common.c (c_determine_visibility): If visibility changed and
744         DECL_RTL has been already set, call make_decl_rtl to update symbol
745         flags.
746
747 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
748
749         PR c++/39188
750         * varasm.c (assemble_variable): Don't check DECL_NAME when
751         globalizing a variable.
752
753 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
754
755         PR c/38483
756         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
757         expression before any __builtin_trap call.
758         * c-typeck.c (build_function_call): Convert and check function
759         arguments before generating a call to a trap.  Evaluate the
760         function arguments before the trap.
761
762 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
763
764         PR target/39228
765         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
766         (UNSPEC_FXAM_MEM): New unspec.
767         (fxam<mode>2_i387_with_temp): New insn and split pattern.
768         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
769         memory using fxam<mode>2_i387_with_temp to remove excess precision.
770
771 2009-02-19  Richard Guenther  <rguenther@suse.de>
772
773         PR tree-optimization/39207
774         PR tree-optimization/39074
775         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
776         storedanything_tree): New.
777         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
778         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
779         (build_succ_graph): Add edges from STOREDANYTHING to all
780         non-direct nodes.
781         (init_base_vars): Initialize STOREDANYTHING.
782         (compute_points_to_sets): Free substitution info after
783         building the succ graph.
784         (ipa_pta_execute): Likewise.
785
786         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
787         field.
788         (do_ds_constraint): Do not add to special var or non-pointer
789         field solutions.
790         (type_could_have_pointers): Split out from ...
791         (could_have_pointers): ... here.  For arrays use the element type.
792         (create_variable_info_for): Initialize may_have_pointers.
793         (new_var_info): Likewise.
794         (handle_lhs_call): Make the HEAP variable unknown-sized.
795         (intra_create_variable_infos): Use a type with pointers for
796         PARM_NOALIAS, make it unknown-sized.
797
798 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
799
800         PR target/39224
801         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
802
803 2009-02-18  Jason Merrill  <jason@redhat.com>
804
805         PR target/39179
806         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
807         value if DECL_EXTERNAL.
808         * tree-sra.c (sra_walk_gimple_assign): Likewise.
809         * target.h (gcc_target::binds_local_p): Clarify "module".
810         * tree.h (TREE_PUBLIC): Clarify "module".
811
812 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
813
814         PR target/38891
815         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
816         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
817
818 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
819
820         PR target/39082
821         * c.opt (Wabi): Support C and ObjC.
822         (Wpsabi): New.
823
824         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
825
826         * config/i386/i386.c (classify_argument): Warn once about the ABI
827         change when passing union with long double.
828
829         * doc/invoke.texi: Update -Wabi for warning psABI changes.
830
831 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
832
833         PR c/35447
834         * c-parser.c (c_parser_compound_statement): Always enter and leave
835         a scope.
836
837 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
838
839         PR target/34587
840         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
841
842 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
843
844         PR tree-optimization/36922
845         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
846         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
847         Likewise.
848
849 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
850
851         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
852         to 0 for EABI64.
853
854 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
855
856         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
857
858 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
859
860         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
861         tree sharing.
862
863 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
864             Richard Sandiford  <rdsandiford@googlemail.com>
865
866         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
867         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
868         (loongson_biadd): ...this.
869
870 2009-02-17  Richard Guenther  <rguenther@suse.de>
871
872         PR tree-optimization/39202
873         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
874         a var make sure to follow existing collapses.
875
876 2009-02-17  Richard Guenther  <rguenther@suse.de>
877
878         PR middle-end/39214
879         * langhooks.c (lhd_print_error_function): Check for NULL block.
880
881 2009-02-17  Richard Guenther  <rguenther@suse.de>
882
883         PR tree-optimization/39204
884         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
885         of the PHI arg.
886
887 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
888
889         * config/soft-fp/double.h: Update from glibc CVS.
890
891 2009-02-17  Richard Guenther  <rguenther@suse.de>
892
893         PR tree-optimization/39207
894         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
895         strict-aliasing warnings for pointers pointing to NULL.
896
897 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
898
899         PR c/35446
900         * c-parser.c (c_parser_braced_init): Call pop_init_level when
901         skipping until next close brace.
902
903 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
904
905         PR target/37049
906         * config/i386/i386.c (ix86_expand_push): Set memory alignment
907         to function argument boundary.
908
909 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
910
911         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
912         in the lea_add. Reload eventually constraints it properly.
913         * config/picochip/constraints.md : Remove the target constraint
914         "b", since it is not needed anymore.
915
916 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
917
918         * gthr-dce.h: Uglify function parameter and local variable names.
919         * gthr-gnat.h: Likewise.
920         * gthr-mipssde.h: Likewise.
921         * gthr-nks.h: Likewise.
922         * gthr-posix95.h: Likewise.
923         * gthr-posix.h: Likewise.
924         * gthr-rtems.h: Likewise.
925         * gthr-single.h: Likewise.
926         * gthr-solaris.h: Likewise.
927         * gthr-tpf.h: Likewise.
928         * gthr-vxworks.h: Likewise.
929         * gthr-win32.h: Likewise.
930
931 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
932
933         PR target/39196
934         * config/i386/i386.md: Restrict the new peephole2 to move
935         between MMX/SSE registers.
936
937 2009-02-15  Richard Guenther  <rguenther@suse.de>
938
939         Revert
940         2009-02-13  Richard Guenther  <rguenther@suse.de>
941
942         * configure.ac: Enable LFS.
943         * configure: Re-generate.
944         * config.in: Likewise.
945
946 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
947
948         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
949         spu_srqwbyte, spu_srqwbytebc): Define.
950         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
951         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
952         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
953         "shrqby_<mode>"): New insn-and-split patterns.
954         * config/spu/spu.c (expand_builtin_args): Determine and return
955         number of operands using spu_builtin_description data.
956         (spu_expand_builtin_1): Use it.
957
958 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
959
960         PR target/38056
961         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
962         TARGET_CONST_GP.
963
964 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
965
966         PR target/39149
967         * config/i386/i386.c (override_options): Correct warning
968         messages for -malign-loops, -malign-jumps and -malign-functions.
969
970 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
971
972         PR target/39152
973         * config/i386/i386.md: Restrict the new peephole2 to move
974         between the general purpose registers.
975
976 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
977
978         PR target/39162
979         * config/i386/i386.c (type_natural_mode): Add a new argument.
980         Return the original mode and warn ABI change if vector size is 32byte.
981         (function_arg_advance): Updated.
982         (function_arg): Likewise.
983         (ix86_function_value): Likewise.
984         (ix86_return_in_memory): Likewise.
985         (ix86_sol10_return_in_memory): Likewise.
986         (ix86_gimplify_va_arg): Likewise.
987         (function_arg_32): Don't warn ABX ABI change here.
988         (function_arg_64): Likewise.
989
990 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
991
992         * loop-iv.c (implies_p): In the final case, test that operands 0
993         of the two comparisons match.
994
995         * config/bfin/bfin.c (find_prev_insn_start): New function.
996         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
997         (find_next_insn_start): Move.
998
999 2009-02-13  Richard Guenther  <rguenther@suse.de>
1000
1001         * configure.ac: Enable LFS.
1002         * configure: Re-generate.
1003         * config.in: Likewise.
1004
1005 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1006
1007         PR c/35444
1008         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1009         sizes on syntax error after some arguments have been parsed.
1010
1011 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1012
1013         * doc/invoke.texi (-fira): Remove.
1014
1015 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1016
1017         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1018         * recog.c: Likewise.
1019         * rtl.h: Likewise.
1020
1021 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1022
1023         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1024         (umul_ppmm): Likewise.
1025         (count_leading_zeros): Likewise.
1026         (count_trailing_zeros): Likewise.
1027         (UMUL_TIME): Likewise.
1028
1029 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1030
1031         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1032         soft-fp/t-softfp to tmake_file.
1033
1034         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1035         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1036         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1037         IA64_BUILTIN_INFQ]: New.
1038         (ia64_init_builtins): Initialize __builtin_infq,
1039         __builtin_fabsq and __builtin_copysignq if not HPUX.
1040         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1041         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1042
1043         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1044         SHARED is defined.
1045         (__fixtfti): Likewise.
1046         (__fixunstfti): Likewise.
1047         (__floattitf): Likewise.
1048
1049         * config/ia64/libgcc-glibc.ver: New.
1050         * config/ia64/t-fprules-softfp: Likewise.
1051         * config/ia64/sfp-machine.h: Likewise.
1052
1053         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1054         (LIBGCC2_TF_CEXT): Likewise.
1055         (TF_SIZE): Likewise.
1056         (TARGET_INIT_LIBFUNCS): Likewise.
1057
1058         * config/ia64/t-glibc (SHLINB_MAPFILES):
1059         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1060
1061 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1062
1063         * config/i386/i386.c (construct_container): Rewrite processing
1064         BLKmode with X86_64_SSE_CLASS.
1065
1066 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1067
1068         PR target/39152
1069         * config/i386/i386.md: Replace simplify_replace_rtx with
1070         replace_rtx in the new peephole2.
1071
1072 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1073
1074         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1075         loop unrolling do not happen at -O2.
1076
1077 2009-02-12  Michael Matz  <matz@suse.de>
1078
1079         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1080
1081 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1082
1083         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1084         for -g3.
1085
1086 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1087
1088         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1089         patterns when updating the back chain.  Missed in the 2009-02-10
1090         change.
1091
1092 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1093
1094         * doc/extend.texi (Decimal Floating Types): Update identifier of
1095         draft TR and list of missing support.
1096
1097 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1098
1099         PR middle-end/39154
1100         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1101         bit to variable length decl's flags, add it also to its
1102         pointer replacement variable.
1103
1104 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1105             Jakub Jelinek  <jakub@redhat.com>
1106
1107         PR target/39118
1108         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1109         (memory_blockage): New expander.
1110         (*memory_blockage): New insn pattern.
1111         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1112         instead of general blockage at the end of function prologue when
1113         frame pointer is used to access red zone area.  Do not emit blockage
1114         when profiling, it is emitted in generic code.
1115         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1116         function epilogue when frame pointer is used to access red zone area.
1117
1118 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1119
1120         PR target/38824
1121         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1122         by arithmetic with memory operands.
1123         * config/i386/predicates.md (commutative_operator): New.
1124
1125 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1126
1127         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1128         bulleted lists.
1129
1130 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1131
1132         * alias.h (record_alias_subset): Declare.
1133         * alias.c (record_alias_subset): Make global.
1134
1135 2009-02-10  Nick Clifton  <nickc@redhat.com>
1136
1137         * tree-parloops.c: Change license to GPLv3.
1138         * ipa-struct-reorg.c: Change license to GPLv3.
1139         * ipa-struct-reorg.h: Change license to GPLv3.
1140
1141 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1142
1143         PR c/39084
1144         * c-decl.c (start_struct): Return NULL on error.
1145
1146 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR middle-end/39124
1149         * cfgloopmanip.c (remove_path): Call remove_bbs after
1150         cancel_loop_tree, not before it.
1151
1152         PR target/39139
1153         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1154         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1155         VAR_DECLs were seen.
1156         * tree-ssa-live.c (remove_unused_locals): Recompute
1157         cfun->has_local_explicit_reg_vars.
1158         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1159         copies or clearings if cfun->has_local_explicit_reg_vars.
1160
1161 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1162
1163         PR target/39118
1164         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1165         of function prologue when frame pointer is used to access
1166         red zone area.
1167
1168 2009-02-10  Richard Guenther  <rguenther@suse.de>
1169
1170         PR middle-end/39127
1171         * gimplify.c (gimple_regimplify_operands): Always look if
1172         we need to create a temporary.
1173
1174 2009-02-10  Richard Guenther  <rguenther@suse.de>
1175
1176         PR tree-optimization/39132
1177         * tree-loop-distribution.c (todo): New global var.
1178         (generate_memset_zero): Trigger TODO_rebuild_alias.
1179         (tree_loop_distribution): Return todo.
1180
1181 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1182
1183         PR target/39119
1184         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1185         (x86_64_reg_class_name): Removed.
1186         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1187         first one isn't X86_64_SSE_CLASS or any other ones aren't
1188         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1189         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1190         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1191         and 3 X86_64_SSEUP_CLASS.
1192         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1193         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1194
1195 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1196
1197         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1198         form instruction to update the stack back chain word, even if the
1199         user has disabled the generation of update instructions.
1200         (movdi_<mode>_update_stack): New.
1201         (movsi_update_stack): Likewise.
1202         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1203         always use an update form instruction to update the stack back
1204         chain word.
1205
1206 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         PR middle-end/38953
1209         * graphite.c (if_region_set_false_region): After moving a region in
1210         the false branch of a condition, remove the empty dummy basic block.
1211         (gloog): Remove wrong fix for PR38953.
1212
1213 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1214
1215         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1216         generation due to implicit sign extension.
1217
1218 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1219
1220         PR middle-end/38981
1221         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1222         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1223
1224 2009-02-09  Richard Guenther  <rguenther@suse.de>
1225
1226         PR middle-end/35202
1227         * convert.c (convert_to_real): Disable (float)fn((double)x)
1228         to fnf(x) conversion if errno differences may occur and
1229         -fmath-errno is set.
1230
1231 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1232
1233         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1234         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1235         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1236
1237 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1238
1239         PR c/35434
1240         * c-common.c (handle_alias_attribute): Disallow attribute for
1241         anything not a FUNCTION_DECL or VAR_DECL.
1242
1243 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1244
1245         PR c/39035
1246         * real.c (do_compare): Special-case compare of zero against
1247         decimal float value.
1248
1249 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1250
1251         PR c/36432
1252         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1253         as indicating flexible array members unless the field itself is
1254         being declarared as the incomplete array.
1255
1256 2009-02-06  Jan Hubicka  <jh@suse.cz>
1257
1258         PR tree-optimization/38844
1259         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1260         is already inlined.
1261
1262 2009-02-06  Richard Guenther  <rguenther@suse.de>
1263
1264         PR middle-end/38977
1265         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1266         fork because we may expand it as __gcov_fork.
1267
1268 2009-02-06  Nick Clifton  <nickc@redhat.com>
1269
1270         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1271
1272 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1273
1274         PR tree-optimization/35659
1275         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1276         vn_phi_eq): Shortcut if hashcode does not match.
1277         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1278         NULL operands.
1279         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1280         and avoid iterative_hash_expr.
1281         (FOR_EACH_VALUE_ID_IN_SET): New.
1282         (value_id_compare): Remove.
1283         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1284         sort expressions by value id.
1285
1286 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1287
1288         PR target/38991
1289         * config/sh/predicates.md (general_movsrc_operand): Don't check
1290         the subreg of system registers here.
1291
1292 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1293
1294         PR c++/39106
1295         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1296         on the copied decl.
1297
1298 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1299
1300         PR rtl-optimization/39110
1301         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1302         addresses, not aligned ones.
1303
1304 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1305             Richard Guenther  <rguenther@suse.de>
1306
1307         PR tree-optimization/39100
1308         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1309         comment says and add edges.
1310
1311 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1312
1313         PR c/35435
1314         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1315         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1316
1317 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1318
1319         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1320         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1321         register_bb_in_sese, new_sese, free_sese): Moved.
1322         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1323         outermost_loop_in_scop, build_scop_iteration_domain,
1324         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1325         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1326         Use loop_in_sese_p instead of loop_in_scop_p.
1327         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1328         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1329         (scopdet_basic_block_info): Fix bug in scop detection.
1330         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1331         eq_loop_to_cloog_loop): Remove.
1332         (nb_loops_around_loop_in_scop, nb_loop
1333         ref_nb_loops): Moved here...
1334         * graphite.h (ref_nb_loops): ... from here.
1335         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1336         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1337         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1338         * testsuite/gcc.dg/graphite/scop-19.c: New
1339
1340 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1341             Hans-Peter Nilsson  <hp@axis.com>
1342
1343         PR rtl-optimization/37889
1344         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1345         Move offset handling from PLUS to before the switch.  Use new
1346         arguments when considering SYMBOL_REFs too.
1347         (rtx_addr_can_trap_p): Pass dummy offset and size.
1348         (enum may_trap_p_flags): Remove.
1349         (may_trap_p_1): Pass size from MEM_SIZE.
1350
1351         PR rtl-optimization/38921
1352         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1353         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1354         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1355         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1356
1357 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1358
1359         AVX Programming Reference (January, 2009)
1360         * config/i386/sse.md (*vpclmulqdq): New.
1361
1362 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1363
1364         PR tree-optimization/38977
1365         PR gcov-profile/38292
1366         * calls.c (special_function_p): Disregard __builtin_ prefix.
1367
1368 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1369
1370         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1371         non-indexable addresses even before reload.
1372
1373 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1374
1375         PR c/29129
1376         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1377         as having variable size.  Do not give an error for unnamed
1378         parameters with [*] declarators.  Give a warning for type names
1379         with [*] declarators and mark them as variable size.
1380         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1381         for sizeof applied to [*] type names.
1382
1383 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1384
1385         PR C++/36607
1386         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1387
1388 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1389
1390         * gcc.c (process_command): Update copyright notice dates.
1391         * gcov.c (print_version): Likewise.
1392         * gcov-dump.c (print_version): Likewise.
1393         * mips-tfile.c (main): Likewise.
1394         * mips-tdump.c (main): Likewise.
1395
1396 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1397
1398         PR c/35433
1399         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1400         for composite type involving a zero-length array type.
1401
1402 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1403
1404         PR target/35318
1405         * function.c (match_asm_constraints_1): Skip over
1406         initial optional % in the constraint.
1407
1408         PR inline-asm/39059
1409         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1410         supported, don't accept FIXED_CSTs.
1411         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1412         and _Sat is used without _Fract/_Accum.  Set specs->type to
1413         integer_type_node for cts_fract/cts_accum if fixed point is not
1414         supported.
1415
1416 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1417
1418         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1419
1420 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1421
1422         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1423         (ABI_HAS_64BIT_SYMBOLS): Use it.
1424         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1425
1426 2009-02-02  Paul Brook  <paul@codesourcery.com>
1427
1428         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1429
1430 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1431
1432         PR inline-asm/39058
1433         * recog.h (asm_operand_ok): Add constraints argument.
1434         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1435         recurse on matching constraint.
1436         (check_asm_operands): Pass constraints as 3rd argument to
1437         asm_operand_ok.  Don't look up matching constraint here.
1438         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1439         to asm_operand_ok.
1440
1441 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1442
1443         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1444         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1445
1446 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1447
1448         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1449         information.  Remove some obsolete information.  Reorganize.
1450
1451         * config/pa/fptr.c: Revert license to GPL 2.
1452         * config/pa/milli64.S: Likewise.
1453
1454 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1455
1456         PR target/38904
1457         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1458         LIBRARY name in, instead of hard-coding it.
1459         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1460         extra target make frag to tmake_files according to EH model.
1461         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1462         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1463         frags that define makefile variable EH_MODEL appropriately.
1464         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1465         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1466         to "-sjlj" according to type of EH configured.
1467         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1468         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1469         to "_sjlj" according to type of EH configured.
1470         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1471         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1472         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1473         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1474         string value of "pe_dll" command-line option.
1475         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1476         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1477         (SHLIB_IMPLIB):  Override t-cygming default.
1478         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1479         string value of "pe_dll" command-line option.
1480
1481 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1482
1483         PR target/38952
1484         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1485         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1486
1487 2009-01-31  Richard Guenther  <rguenther@suse.de>
1488
1489         PR tree-optimization/38937
1490         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1491         computing the transitive closure.
1492
1493 2009-01-30  Richard Guenther  <rguenther@suse.de>
1494
1495         PR tree-optimization/39041
1496         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1497         Propagate variable indices only if the types match for this stmt.
1498
1499 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1500
1501         PR target/39013
1502         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1503         inline but never defined.
1504
1505 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1506
1507         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1508         (*insv_h_di_reg_extimm): New insn.
1509         (*insv_l<mode>_reg_extimm): New insn.
1510
1511 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1512
1513         * config/picochip/picochip.c (flag_conserve_stack): set
1514         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1515         fconserve-stack. Reduce call-overhead used by inliner.
1516
1517 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1518
1519         PR/38157
1520         * common.opt (flag_conserve_stack): Initialised to zero.
1521
1522 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1523
1524         PR/39002
1525         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1526         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1527         method.
1528
1529 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1530
1531         * ira-color.c (allocno_reload_assign): Update comments.
1532         * regmove.c (regmove_optimize): Likewise.
1533
1534         * ra.h: Removed.
1535
1536 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1537
1538         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1539         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1540         `MD_UNWIND_SUPPORT'.
1541         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1542
1543 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1544
1545         PR tree-optimization/39007
1546         * tree-loop-distribution.c (generate_builtin): Use
1547         recompute_dominator to compute the immediate dominator of the
1548         basic block just after the loop.
1549
1550 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1551
1552         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1553         (ASM_OUTPUT_DWARF_PCREL): Define.
1554
1555 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1556
1557         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1558         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1559         global.  Modify entries about regmove and IRA.
1560
1561         * ra-conflict.c: Remove the file.
1562
1563         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1564
1565         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1566         (pass_regclass_init): Rename to pass_reginfo_init.
1567
1568         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1569
1570         * toplev.h (flag_ira): Remove.
1571
1572         * caller-save.c (setup_save_areas): Remove flag_ira.
1573
1574         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1575
1576         * global.c: Remove the file.
1577
1578         * opts.c: (decode_options): Remove flag_ira.
1579
1580         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1581
1582         * regmove.c: Modify file description.
1583         (find_use_as_address, try_auto_increment): Define them only if
1584         AUTO_INC_DEC is defined.
1585         (replacement_quality, replace_in_call_usage, fixup_match_1,
1586         stable_and_no_regs_but_for_p): Remove.
1587         (reg_set_in_bb): Make it static.
1588         (regmove_optimize): Remove flag_ira and code which worked for
1589         !flag_ira.
1590
1591         * local-alloc.c: Remove the file.
1592
1593         * common.opt (fira): Remove.
1594
1595         * ira.c: Include except.h.
1596         (eliminable_regset): Move from global.c.
1597         (mark_elimination): Ditto.  Remove flag_ira.
1598         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1599         equiv_mem_modified, validate_equiv_mem_from_store,
1600         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1601         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1602         no_equiv, recorded_label_ref): Move from local-alloc.c.
1603         (update_equiv_regs): Ditto.  Make it static.
1604         (print_insn_chain, print_insn_chains): Move it from global.c.
1605         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1606         (build_insn_chain): Ditto.  Make it static.
1607         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1608         Rename to init_live_subregs.
1609         (gate_ira): Remove flag_ira.
1610
1611         * regclass.c: Rename reginfo.c.  Change file description.
1612         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1613         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1614         (init_reg_sets_1): Remove code for evaluation of
1615         reg_class_superclasses and losing_caller_save_reg_set.
1616         (init_regs): Remove init_reg_autoinc.
1617         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1618         ok_for_base_p_nonstrict): Remove.
1619         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1620         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1621         corresponding entries.
1622         (dump_regclass, record_operand_costs, scan_one_insn,
1623         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1624         record_address_regs, auto_inc_dec_reg_p): Remove.
1625         (gt-regclass.h): Rename to gt-reginfo.h.
1626
1627         * rtl.h (dump_global_regs, retry_global_alloc,
1628         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1629
1630         * Makefile.in (RA_H): Remove.
1631         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1632         Rename regclass.o to reginfo.o.
1633         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1634         gt-reginfo.h.
1635         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1636         (GTFILES): Rename regclass.c to reginfo.c.
1637
1638         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1639         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1640
1641         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1642         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1643         Remove flag_ira.
1644         (finish_spills): Ditto.  Remove code for !flag_ira.
1645         
1646 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1647
1648         PR middle-end/35854
1649         * doc/invoke.texi (rtl debug options): Complete rewrite.
1650         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1651         to auto_inc_dec".
1652         * mode-switching.c (pass_mode_switching): Rename pass from
1653         "mode-sw" to "mode_sw".
1654         * except.c (pass_convert_to_eh_ranges): Rename pass from
1655         "eh-ranges" to "eh_ranges".
1656         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1657         to "subreg1".
1658                 
1659         
1660 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1661             Alexander Monakov  <amonakov@ispras.ru>
1662
1663         PR middle-end/38857
1664         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1665         register.
1666         (move_exprs_to_boundary): Change return type and pass through
1667         should_move from move_op.  Relax assert.  Update usage ...
1668         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1669         cant_move.
1670         (move_op_orig_expr_found): Indicate that insn was disconnected from
1671         stream.
1672         (code_motion_process_successors): Do not call after_merge_succs
1673         callback if original expression was not found when traversing any of
1674         the branches.
1675         (code_motion_path_driver): Change return type.  Update prototype.
1676         (move_op): Update comment.  Add a new parameter (should_move).  Update
1677         prototype.  Set *should_move based on indication provided by
1678         move_op_orig_expr_found.
1679
1680 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1681
1682         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1683         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1684         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1685         * config/rs6000/rs6000.c (rs6000_override_options): Default
1686         avoid-indexed-addresses on for Power6, off for everything else.
1687         (avoiding_indexed_address_p): New function.
1688         (rs6000_legitimize_address): Use it.
1689         (rs6000_legitimate_address): Likewise.
1690         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1691
1692 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
1693
1694         PR tree-optimization/38997
1695         * tree-loop-distribution.c (generate_memset_zero): Use
1696         POINTER_PLUS_EXPR for a pointer addition.
1697
1698 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1699
1700         * config/s390/s390.md (bswap<mode>2): New pattern added.
1701
1702 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1703
1704         * config/s390/s390.md (*tls_load_31): Added type attribute.
1705
1706 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1707
1708         * config/s390/s390.md: Fix a few comments.
1709
1710 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1711
1712         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1713         (*tm<mode>_full): Fixed z10prop attribute.
1714         (*tst<mode>_extimm): Fixed z10prop attribute.
1715         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1716         (*tstqiCCT_cconly): Fixed z10prop attribute.
1717         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1718         (*movsi_larl): Fixed z10prop attribute.
1719         (*movsi_zarch): Fixed z10prop attribute.
1720         (*movsi_eas): Fixed z10prop attribute.
1721         (*movhi): Fixed z10prop attribute.
1722         (*movqi): Fixed z10prop attribute.
1723         (*movstrictqi): Fixed z10prop attribute.
1724         (*mov<mode>): Fixed z10prop attribute.
1725         (*movcc): Fixed z10prop attribute.
1726         (*sethighpartdi_64): Fixed z10prop attribute.
1727         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1728         (*negdi2_sign_cc): Fixed z10prop attribute.
1729         (*negdi2_sign): Fixed z10prop attribute.
1730         (*absdi2_sign_cc): Fixed z10prop attribute.
1731         (*absdi2_sign): Fixed z10prop attribute.
1732         (*negabsdi2_sign_cc): Fixed z10prop attribute.
1733         (*negabsdi2_sign): Fixed z10prop attribute.
1734         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1735         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1736         (doloop_si64): Fixed z10prop attribute.
1737         (doloop_si31): Fixed z10prop attribute.
1738         (doloop_long): Fixed z10prop attribute.
1739         (indirect_jump): Fixed z10prop attribute.
1740         (nop): Fixed z10prop attribute.
1741         (main_base_64): Fixed z10prop attribute.
1742         (reload_base_64): Fixed z10prop attribute.
1743
1744 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1745
1746         PR rtl-optimization/38740
1747         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1748         if !optimize.
1749         * config/mips/mips.c (mips_reorg): Likewise.
1750
1751 2009-01-28  Richard Guenther  <rguenther@suse.de>
1752
1753         PR tree-optimization/38926
1754         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1755         with the correct value id to a value.
1756         (do_regular_insertion): Use the value number of edoubleprime
1757         for the value number of the expr.
1758
1759         Revert
1760         2008-08-21  Richard Guenther  <rguenther@suse.de>
1761
1762         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1763         a PHI ask VN if it is already available.
1764         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1765         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1766
1767 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1768
1769         PR middle-end/38934
1770         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1771         set to varying whenever max has TREE_OVERFLOW set, similarly
1772         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1773
1774 2009-01-28  Richard Guenther  <rguenther@suse.de>
1775
1776         PR middle-end/38908
1777         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1778         uninitialized aggregate uses in call arguments.
1779
1780 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
1781
1782         PR tree-optimization/38984
1783         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1784         the nothing_id variable if -fno-delete-null-pointer-checks.
1785
1786 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
1787
1788         PR target/38988
1789         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1790         (set_got_offset_rex64): Ditto.
1791
1792 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1793
1794         PR target/38941
1795         * doc/extend.texi: Improve local variable with asm reg.
1796
1797 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
1798
1799         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1800         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1801         was not supplied then set warn_packed_bitfield_compat to the
1802         default value of 1.
1803         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1804         against 1.
1805
1806 2009-01-27  Richard Guenther  <rguenther@suse.de>
1807
1808         PR tree-optimization/38503
1809         * cfgexpand.c (expand_gimple_basic_block): Ignore
1810         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1811         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1812         variables that cannot have TBAA applied.
1813         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1814         statements.
1815
1816 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
1817
1818         PR middle-end/38969
1819         * calls.c (initialize_argument_information): Do not wrap complex
1820         arguments in SAVE_EXPR.
1821
1822 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
1823
1824         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1825         (INSTALL_LIBGCC): Revert typo commit.
1826
1827 2009-01-26  Richard Guenther  <rguenther@suse.de>
1828
1829         PR tree-optimization/38745
1830         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1831         from special handling.
1832
1833 2009-01-26  Richard Guenther  <rguenther@suse.de>
1834
1835         PR tree-optimization/38745
1836         * tree-ssa.c (execute_update_addresses_taken): Do not include
1837         variables that cannot possibly be a register in not_reg_needs.
1838         Do not clear TREE_ADDRESSABLE on vars that may not become
1839         registers.
1840         * tree-ssa.c (update_alias_info_1): Include those in the set
1841         of addressable vars.
1842
1843 2009-01-26  Richard Guenther  <rguenther@suse.de>
1844
1845         PR middle-end/38851
1846         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1847         * tree-ssa-dse.c: Include langhooks.h
1848         (execute_simple_dse): Remove stores with zero size.
1849
1850 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
1851
1852         PR c/38957
1853         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1854         as PLUS_EXPR.
1855
1856 2009-01-24  Julian Brown  <julian@codesourcery.com>
1857
1858         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1859         config/arm/linux-atomic.c.
1860         * config/arm/linux-atomic.c: New.
1861
1862 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
1863
1864         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1865         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1866         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1867
1868 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1869
1870         PR c/38938
1871         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1872         properly.
1873
1874 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
1875
1876         PR tree-optimization/38953
1877         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1878         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1879         (gloog): Split the exit of the scop when the scop exit is a loop exit.
1880         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1881         changed the CFG.
1882
1883 2009-01-24  Paul Brook  <paul@codesourcery.com>
1884
1885         * config/arm/neon.md (neon_type): Move to arm.md.
1886         (neon_mov<VSTRUCT>): Add neon_type attribute.
1887         * config/arm/arm.md (neon_type): Move to here.
1888         (conds): Add "unconditioal" and use as default for NEON insns.
1889
1890 2009-01-24  Ben Elliston  <bje@au.ibm.com>
1891
1892         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1893         void *' warning from -Wc++-compat.
1894         * Makefile.in (dominance.o-warn): Remove.
1895
1896 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
1897
1898         PR tree-optimization/38932
1899         * fold-const.c (fold_unary_ignore_overflow): New.
1900         * tree.h (fold_unary_ignore_overflow): Declare.
1901         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1902         * tree-ssa-sccvn.c (visit_reference_op_load,
1903         simplify_unary_expression): Likewise.
1904
1905 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
1906
1907         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1908         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
1909         regardless of their type.
1910         * c-common.c (handle_packed_attribute): Don't ignore packed on
1911         bitfields.
1912         * c.opt (Wpacked-bitfield-compat): New warning option.
1913         * stor-layout.c (place_field): Warn if offset of a field changed.
1914         * doc/extend.texi (packed): Mention the ABI change.
1915         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1916         (Warning Options): Add it to the list.
1917
1918 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1919
1920         * c-opts.c (c_common_post_options): Fix a typo in comments.
1921
1922 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
1923
1924         PR middle-end/38615
1925         * gimplify.c (gimplify_init_constructor): Fix promotion of const
1926         variables to static.
1927         * doc/invoke.texi (-fmerge-all-constants): Update description.
1928
1929 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
1930
1931         PR target/38931
1932         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1933         (*movdi_1_rex64): Use type "mmx" for alternative 5.
1934
1935 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
1936
1937         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1938         a word boundary.
1939         (LOCAL_ALIGNMENT): Similarly.
1940
1941 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1942             Joseph Myers  <joseph@codesourcery.com>
1943
1944         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1945         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1946         * config/arm/arm-tune.md: Regenerate.
1947         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1948         -march=iwmmxt2.
1949
1950 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1951
1952         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1953         version number to five.
1954
1955 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
1956
1957         PR c++/38930
1958         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1959         * c-common.c (set_underlying_type): Likewise.
1960         (is_typedef_decl ): Likewise
1961         * tree.h: Likewise
1962         (set_underlying_type): Likewise.
1963         (is_typedef_type): Likewise.
1964
1965 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
1966
1967         PR middle-end/38587
1968         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1969         crossing setjmps.
1970
1971 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
1972
1973         PR bootstrap/37660
1974         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
1975         (LIBGCC_SPEC):  Don't define.
1976         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
1977
1978 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
1979
1980         PR rtl-optimization/38879
1981         * alias.c (base_alias_check): Unaligned access via AND address can
1982         alias all surrounding object types except those with sizes equal
1983         or wider than the size of unaligned access.
1984
1985 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
1986
1987         PR c++/26693
1988         * c-decl.c: (clone_underlying_type): Move this ...
1989         * c-common.c (set_underlying_type): ... here.
1990         Also, make sure the function properly sets TYPE_STUB_DECL() on
1991         the newly created typedef variant type.
1992         (is_typedef_decl ): New entry point.
1993         * tree.h: Added a new member member_types_needing_access_check to
1994         struct tree_decl_non_common.
1995         (set_underlying_type): New entry point.
1996         (is_typedef_type): Likewise.
1997
1998 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
1999
2000         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2001         Check whether two instructions have memory references that
2002         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2003         are helper functions for traversing.
2004         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2005         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2006         not to draw dependency edge for instructions with non-conflicting
2007         alias sets.
2008
2009 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2010
2011         PR other/38758
2012         * longlong.h: Update copyright years.  Use soft-fp license notice.
2013         Sync __clz_tab declaration with glibc.
2014
2015 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2016
2017         PR target/30687
2018         * doc/extend.texi (syscall_linkage): New.
2019         (version_id): Modify.
2020
2021 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2022             Richard Guenther  <rguenther@suse.de>
2023
2024         PR tree-optimization/38747
2025         PR tree-optimization/38748
2026         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2027         conversion if the base address is an indirect reference and the
2028         aliasing sets could cause issues.
2029
2030 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2033         explaining why these options are not documented.
2034
2035 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2036
2037         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2038         gimple_call_lhs is NULL.
2039
2040 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2041
2042         PR target/38868
2043         * emit-rtl.c (adjust_address_1): Make sure memref is never
2044         overwritten.
2045
2046 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2047
2048         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2049         const qualifier from arg parameter. Remove unnecessary cast to char *.
2050         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2051         const qualifier from arg 2.
2052
2053 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2054
2055         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2056
2057 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2058
2059         PR c/38869
2060         * rtl.h (reinit_regs): New prototype.
2061         * regclass.c: Include ira.h.
2062         (reinit_regs): New.
2063         * Makefile.in (regclass.o): Add ira.h.
2064         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2065
2066 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2067
2068         PR target/38736
2069         * c-common.c (handle_aligned_attribute): Use
2070         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2071         default alignment value.
2072
2073         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2074
2075         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2076         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2077
2078         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2079         __BIGGEST_ALIGNMENT__.
2080
2081         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2082
2083 2009-01-18  Richard Guenther  <rguenther@suse.de>
2084
2085         PR tree-optimization/38819
2086         * tree-flow.h (operation_could_trap_helper_p): Declare.
2087         * tree-eh.c (operation_could_trap_helper_p): Export.
2088         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2089         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2090         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2091         are about to insert a possibly trapping instruction and fail
2092         in this case.
2093
2094 2009-01-18  Andreas Schwab  <schwab@suse.de>
2095
2096         * doc/install.texi (Configuration): Remove obsolete paragraph
2097         about use of --with-gnu-ld with --with-gnu-as.
2098
2099 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2100
2101         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2102         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2103         Follow spelling conventions.
2104
2105 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2106
2107         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2108         C++ warning about implicit conversion from void * to struct
2109         bitmap_head_def *.
2110         (bitmap_obstack_free): Likewise for bitmap_element *.
2111         * Makefile.in (bitmap.o-warn): Remove.
2112
2113 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2114
2115         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2116
2117 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2118             Tobias Grosser  <tobi.grosser@amd.com>
2119
2120         * graphite.c (graphite_trans_scop_block): Do not block single
2121         nested loops.
2122
2123 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2124
2125         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2126         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2127         test with assertion.
2128
2129 2009-01-16  Richard Guenther  <rguenther@suse.de>
2130
2131         PR tree-optimization/38835
2132         PR middle-end/36227
2133         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2134         and INT + PTR -> (INT)(PTR p+ INT) folding.
2135         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2136
2137 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2138
2139         PR target/38554
2140         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2141         the subreg from a lowpart subreg if it is also casting the value.
2142
2143 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2144             Tobias Grosser  <tobi.grosser@amd.com>
2145
2146         * graphite.c (compare_prefix_loops): New.
2147         (build_scop_canonical_schedules): Rewritten.
2148         (graphite_transform_loops): Move build_scop_canonical_schedules
2149         after build_scop_iteration_domain.
2150
2151 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2152             Tobias Grosser  <tobi.grosser@amd.com>
2153
2154         * graphite.c (add_conditions_to_domain): Add the loops to 
2155         the dimension of the iteration domain.  Do copy the domain
2156         only when it exists.
2157         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2158         (add_conditions_to_constraints): New.
2159         (can_generate_code_stmt, can_generate_code): Removed.
2160         (gloog): Do not call can_generate_code.
2161         (graphite_transform_loops): Call add_conditions_to_constraints
2162         after building the iteration domain.
2163
2164 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2165
2166         PR tree-optimization/38789
2167         * tree-ssa-threadedge.c
2168         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2169         __builtin_constant_p.
2170
2171 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2172
2173         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2174         examined before deleting them.
2175         
2176 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2177
2178         * function.c (aggregate_value_p): Correctly extract the function
2179         type from CALL_EXPR_FN lookup.
2180
2181 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2182
2183         * config/picochip/picochip.c (picochip_override_options): Revert
2184         CFI asm flag disable commited previously.
2185
2186 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2187             Tobias Grosser  <tobi.grosser@amd.com>
2188             Jan Sjodin  <jan.sjodin@amd.com>
2189
2190         * graphite.c (scan_tree_for_params): On substractions negate
2191         all the coefficients of the term.
2192         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2193         of more than two operands.
2194         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2195         (get_vdef_before_scop): Handle also the case of default definitions.
2196
2197 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2198
2199         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2200         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2201         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2202
2203 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2204             Joey Ye  <joey.ye@intel.com>
2205
2206         PR middle-end/37843
2207         * cfgexpand.c (expand_stack_alignment): Don't update stack
2208         boundary nor check incoming stack boundary here.
2209         (gimple_expand_cfg): Update stack boundary and check incoming
2210         stack boundary here.
2211
2212 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2213
2214         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2215         
2216 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2217
2218         PR rtl-optimization/38245
2219         * calls.c (expand_call): Add stack arguments to
2220         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2221         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2222         in regs and partially in memory or BLKmode arguments.
2223         (emit_library_call_value_1): Add stack arguments to
2224         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2225         ACCUMULATE_OUTGOING_ARGS).
2226         * dce.c: Include tm_p.h.
2227         (find_call_stack_args): New function.
2228         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2229         argument.
2230         (mark_insn): Call find_call_stack_args for CALL_Ps.
2231         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2232         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2233         down to deletable_insn_p, don't mark stores set in arg_stores
2234         bitmap, clear the bitmap at the beginning of each bb.
2235         * Makefile.in (dce.o): Depend on $(TM_P_H).
2236
2237 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2238
2239         PR target/22599
2240         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2241         to make sure the insn is a conditional test (bug 22599).  Reformat a
2242         few long lines.
2243
2244 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         PR middle-end/38431
2247         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2248         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2249         (gloog): Do not call cleanup_tree_cfg.
2250         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2251         scops have been code generated.
2252
2253 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2254         * doc/gty.texi (Invoking the garbage collector): Added new node
2255         and section documenting ggc_collect.
2256
2257 2009-01-14  Richard Guenther  <rguenther@suse.de>
2258
2259         PR tree-optimization/38826
2260         PR middle-end/38477
2261         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2262         initialization notes only if we actually emitted a warning.
2263         (intra_create_variable_infos): Add constraints for a result decl
2264         that is passed by hidden reference.
2265         (build_pred_graph): Mark all related variables non-direct on
2266         address-taking.
2267
2268 2009-01-14  Nick Clifton  <nickc@redhat.com>
2269
2270         * ira-conflicts.c: Include addresses.h for the definition of
2271         base_reg_class.
2272         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2273         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2274
2275 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2276
2277         PR target/38811
2278         * Makefile.in (ira-lives.o): Add except.h.
2279
2280         * ira-lives.c: Include except.h.
2281         (process_bb_node_lives): Process can_throw_internal.
2282
2283 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2284
2285         PR rtl-optimization/38774
2286         * combine.c (simplify_set): When undoing cc_use change, don't do
2287         PUT_CODE on the newly created comparison, but instead put back the
2288         old comparison.
2289
2290 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2291
2292         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2293         values.  Remove duplicate arm8 entry.
2294
2295 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         PR tree-optimization/38786
2298         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2299         the SSA_NAME case of expand_scalar_variables_expr.
2300         Set the type of an expression to the type of its assign statement.
2301         (expand_scalar_variables_expr): Also gather the scalar computation
2302         used to index the memory access.  Do not pass loop_p.
2303         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2304         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2305         the gimple_stmt_iterator where it inserts new code.
2306         Do not pass loop_p.
2307         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2308         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2309
2310 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         * graphite.h (debug_value): Removed.
2313         * graphite.c (debug_value): Removed.
2314
2315 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2316
2317         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2318         ldrd/strd with two 32-bit instructions.
2319
2320 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2321
2322         * config/arm/arm.c (struct processors): Pass for speed down into
2323         cost helper functions.
2324         (const_ok_for_op): Handle COMPARE and inequality nodes.
2325         (arm_rtx_costs_1): Rewrite.
2326         (arm_size_rtx_costs): Update prototype.
2327         (arm_rtx_costs): Pass speed down to helper functions.
2328         (arm_slowmul_rtx_costs): Rework cost calculations.
2329         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2330         (arm_9e_rtx_costs): Likewise.
2331
2332 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2333
2334         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2335         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2336         (alpha_legitimize_address): Do not split local symbols wider than
2337         UNITS_PER_WORD into HIGH/LO_SUM parts.
2338
2339 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2340
2341         PR bootstrap/38580
2342         * gcc.c (process_command): Replace call to execvp with calls
2343         to pex_one and exit.
2344
2345 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2346
2347         PR target/29141
2348         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2349         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2350         variant for devices with 3-byte PC.
2351         (__tablejump_elpm__) : New.
2352
2353 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2354
2355         PR c/32041
2356         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2357         offsetof member-designator, handle it as `[0].'.
2358
2359 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2360
2361         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2362         function when not using named sections on targets with named sections
2363         if branch distance is less than 262132.
2364
2365 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2366
2367         * combine.c (combine_instructions):  Recompute
2368         optimize_this_for_speed_p  for each BB in the main combine loop.
2369
2370 2009-01-12  Tomas Bily  <tbily@suse.cz>
2371
2372         PR middlend/38385
2373         * tree-loop-distribution.c (prop_phis): New function.
2374         (generate_builtin): Call prop_phis.
2375         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2376
2377 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2378
2379         PR tree-optimization/38807
2380         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2381         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2382
2383 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2384
2385         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2386         subreg of op0 to the original op0.
2387
2388 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2389
2390         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2391         
2392 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2393
2394         PR debug/7055
2395         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2396         starting with digits.
2397
2398 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2399
2400         PR target/38695
2401         * config/arm/arm.c (arm_is_long_call_p): Don't call
2402         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2403
2404 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2405
2406         * regrename.c (regrename_optimize): Fix dumping.
2407         (find_oldest_value_reg): Preserve REG_POINTER.
2408         (copy_hardreg_forward_1): Likewise.
2409
2410 2009-01-09  Diego Novillo  <dnovillo@google.com>
2411
2412         * gimple.h (struct gimple_statement_base) <uid>: Document
2413         the restrictions on its use.
2414         (gimple_uid): Tidy.
2415         (gimple_set_uid): Tidy.
2416
2417 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2418
2419         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2420         zero guard even if align_bytes != 0 and count is smaller than
2421         size_needed.
2422
2423 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2424
2425         PR rtl-optimization/38495
2426         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2427         (add_range_and_copies_from_move_list): Print all added ranges.
2428         Add ranges to memory optimized destination.
2429
2430 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2431
2432         PR target/38686
2433         PR target/38708
2434         * config/i386/i386.c (override_options): Reject
2435         -mstringop-strategy=rep_8byte with -m32.
2436         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2437         to 1.  Do count comparison against epilogue_size_needed at compile
2438         time even when count_exp was constant forced into register.  For
2439         size_needed don't jump to epilogue, instead just avoid aligning
2440         and invoke the body algorithm.  If need_zero_guard, add zero guard
2441         even if count is non-zero, but smaller than size_needed + number of
2442         bytes that could be stored for alignment.
2443         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2444         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2445         but smaller than size_needed + number of bytes that could be stored
2446         for alignment.  Compare size_needed with epilogue_size_needed instead
2447         of desired_align - align, don't adjust size_needed, pass
2448         epilogue_size_needed to the epilogue expanders.
2449
2450         PR c/35742
2451         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2452
2453 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2454
2455         * pa.c (last_address): Change to unsigned.
2456         (update_total_code_bytes): Change argument to unsigned.  Don't
2457         check if insn addresses are set.
2458         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2459         addresses are not set.
2460         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2461
2462 2009-01-09  Nick Clifton  <nickc@redhat.com>
2463
2464         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2465         DECL_DECLARED_INLINE_P.
2466
2467 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2468
2469         PR middle-end/38347
2470         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2471         GET_MODE (op0) in operand_subword_force calls.
2472
2473         PR middle-end/38771
2474         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2475         fold_convert arg0 operands to TREE_TYPE (op0) first.
2476
2477 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2478
2479         * params.def (ira-max-conflict-table-size): Decrease default value
2480         to 1000.
2481
2482 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2483
2484         PR tree-optimization/37031
2485         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2486         on parameter_set.
2487         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2488         allocate it using gc instead of heap, use VEC_quick_push instead of
2489         VEC_safe_push.
2490         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2491         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2492         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2493         allocated vector from heap allocated.
2494         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2495         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2496         vector only after perfect_loop_nest_depth call.
2497
2498 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2499             Jan Sjodin  <jan.sjodin@amd.com>
2500
2501         PR tree-optimization/38559
2502         * graphite.c (debug_value, copy_constraint,
2503         swap_constraint_variables, scale_constraint_variable, ): New.
2504         (get_lower_bound, get_upper_bound): Removed.
2505         (graphite_trans_bb_strip_mine): Clean up this code that works
2506         only for constant number of iterations.  Fully copy upper and
2507         lower bound constraints, not only the constant part of them.
2508         * graphite.h (debug_value): Declared.
2509
2510 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2511
2512         PR tree-optimization/37194
2513         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2514         Don't add the cost of cost model guard in prologue to scalar 
2515         outside cost in case of known number of iterations.
2516
2517 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2518             Alan Modra  <amodra@bigpond.net.au>
2519
2520         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2521         non-word-aligned REG+CONST addressing.
2522
2523 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2524
2525         PR target/38706
2526         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2527         free_after_compilation when outputting a thunk.
2528         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2529         Do not call free_after_compilation here.
2530
2531 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2534         (ix86_valid_target_attribute_inner_p): Ditto.
2535
2536 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2537
2538         PR tree-optimization/38492
2539         PR tree-optimization/38498
2540         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2541         * tree-chrec.h (scev_is_linear_expression): Declared.
2542         * graphite.c (graphite_cannot_represent_loop_niter): New.
2543         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2544         (graphite_loop_normal_form): Use gcc_assert.
2545         (scan_tree_for_params): Use CASE_CONVERT.
2546         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2547         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2548         Use gcc_assert.  Discard scops that contain unhandled cases.
2549         (build_scop_conditions): Return a boolean status for unhandled cases.
2550         (strip_mine_profitable_p): Print the loop number, not its depth.
2551         (is_interchange_valid): Pass the depth of the loop nest, don't
2552         recompute it wrongly.
2553         (graphite_trans_bb_block): Same.
2554         (graphite_trans_bb_block): Print tentative of loop blocking.
2555         (graphite_trans_scop_block): Do not print that the loop has been
2556         blocked.
2557         (graphite_transform_loops): Do not handle scops that contain condition
2558         scalar phi nodes.
2559
2560 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2561
2562         AVX Programming Reference (December, 2008)
2563         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2564         (_mm256_stream_pd): Likewise.
2565         (_mm256_stream_ps): Likewise.
2566
2567         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2568         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2569         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2570         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2571         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2572         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2573         (ix86_expand_special_args_builtin): Likewise.
2574
2575         * config/i386/sse.md (AVXMODEDI): New.
2576         (avx_movnt<mode>): Likewise.
2577         (avx_movnt<mode>): Likewise.
2578         (<sse>_movnt<mode>): Remove AVX support.
2579         (sse2_movntv2di): Likewise.
2580
2581 2009-01-07  Richard Guenther  <rguenther@suse.de>
2582
2583         PR middle-end/38751
2584         * fold-const.c (extract_muldiv): Remove obsolete comment.
2585         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2586         to PLUS_EXPR canonicalization for the canonicalization.
2587
2588 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2589
2590         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2591         hosted cross-compilers generating less efficient code.
2592
2593 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2594
2595         * function.h (rtl_data): Add a dbr_scheduled_p field.
2596         * reorg.c (dbr_schedule): Set it.
2597         (gate_handle_delay_slots): Check it.
2598         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2599         (mips_reorg): Check flag_delayed_branch instead of
2600         mips_base_delayed_branch.
2601         (mips_override_options): Don't set mips_base_delayed_branch
2602         or flag_delayed_branch.
2603
2604 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2605
2606         PR rtl-optimization/38426.
2607         * ira.c (ira): Set current_function_is_leaf earlier.
2608
2609 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2610
2611         PR rtl-optimization/38722
2612         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2613         too early, only set a flag and modify after last possible
2614         undo_all point.
2615
2616 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2617
2618         PR c/34252
2619         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2620         * real.c (decimal_single_format): Correct values of emin and emax.
2621         (decimal_double_format): Ditto.
2622         (decimal_quad_format): Ditto.
2623         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2624         computation of DECnn_MIN and DECnn_MAX for corrected values of
2625         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2626         __DECnn_MIN__, and adjust its computation for the corrected value
2627         of emin.
2628
2629 2009-01-06  Jan Hubicka  <jh@suse.cz>
2630
2631         PR target/38744
2632         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2633
2634 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2635
2636         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2637         Add Robert Clark to the list of testers.
2638
2639 2009-01-06  Jan Hubicka  <jh@suse.cz>
2640             Kai Tietz  <kai.tietz@onevision.com>
2641
2642         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2643         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2644
2645 2009-01-06  Jan Hubicka  <jh@suse.cz>
2646             Kai Tietz  <kai.tietz@onevision.com>
2647
2648         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2649         for w64 ABI.
2650         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2651         (ix86_nsaved_regs): Count only general purpose regs.
2652         (ix86_nsaved_sseregs): New.
2653         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2654         to 16 for w64; compute padding and size of sse reg save area.
2655         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2656         general purpose regs.
2657         (ix86_emit_save_sse_regs_using_mov): New.
2658         (ix86_expand_prologue): Save SSE regs if needed.
2659         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2660         (ix86_emit_restore_sse_regs_using_mov): New.
2661         (ix86_expand_epilogue): Save SSE regs if needed.
2662
2663 2009-01-06  Jan Hubicka  <jh@suse.cz>
2664             Kai Tietz  <kai.tietz@onevision.com>
2665
2666         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2667         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2668         functions when accumulate outgoing args is off.
2669
2670 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2671
2672         PR bootstrap/38742
2673         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2674         before using pseudos_have_intersected_live_ranges_p.
2675
2676         * ira-int.h (ira_assert): Always define.
2677
2678 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2679
2680         AVX Programming Reference (December, 2008)
2681         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2682         (_mm256_permute2_pd): Likewise.
2683         (_mm_permute2_ps): Likewise.
2684         (_mm256_permute2_ps): Likewise.
2685         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2686         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2687
2688         * config/i386/i386.c (ix86_builtins): Remove
2689         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2690         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2691         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2692         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2693         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2694         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2695         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2696         __builtin_ia32_vpermil2ps256.
2697         (ix86_init_mmx_sse_builtins): Updated.
2698         (ix86_expand_args_builtin): Likewise.
2699
2700 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2701
2702         * pa.c (output_call): Relocate non-jump insns in the delay slot of
2703         long absolute calls when generating PA 2.0 code.
2704
2705 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
2706
2707         PR rtl-optimization/38583
2708         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2709
2710         * params.def (ira-max-conflict-table-size): New.
2711
2712         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2713         
2714         * ira.h (ira_conflicts_p): New external definition.
2715         
2716         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2717         table.  Report this.  Return result of building.
2718         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
2719         building conflict table.
2720
2721         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2722         (ira_color): Use ira_conflicts_p.
2723         
2724         * global.c: Include ira.h.
2725         (pseudo_for_reload_consideration_p, build_insn_chain): Use
2726         ira_conflicts_p.
2727
2728         * Makefile.in (global.o): Add ira.h.
2729         
2730         * ira-build.c (mark_all_loops_for_removal,
2731         propagate_some_info_from_allocno): New.
2732         (remove_unnecessary_allocnos): Call
2733         propagate_some_info_from_allocno.
2734         (remove_low_level_allocnos): New.
2735         (remove_unnecessary_regions): Add parameter.  Call
2736         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
2737         parameter to remove_unnecessary_regions.
2738         (ira_build): Remove all regions but root if the conflict table was
2739         not built.  Update conflict hard regs for allocnos crossing calls.
2740
2741         * ira.c (ira_conflicts_p): New global.
2742         (ira): Define and use ira_conflicts_p.
2743
2744         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2745         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2746         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2747         
2748 2009-01-06  Ben Elliston  <bje@au.ibm.com>
2749
2750         * gengtype-lex.l (YY_NO_INPUT): Define.
2751
2752 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2753
2754         PR c/34911
2755         * c-common.c (handle_vector_size_attribute): Also reject
2756         BOOLEAN_TYPE types.
2757
2758 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         PR tree-optimization/38492
2761         * graphite.c (rename_map_elt, debug_rename_elt,
2762         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2763         rename_map_elt_info, eq_rename_map_elts,
2764         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2765         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2766         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2767         (sese_build_livein_liveouts): New.
2768         (new_sese, free_sese): New.
2769         (new_scop): Call new_sese.
2770         (free_scop): Call free_sese.
2771         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2772         (register_old_new_names): Renamed register_old_and_new_names.
2773         (register_scop_liveout_renames, add_loop_exit_phis,
2774         insert_loop_close_phis, struct igp,
2775         default_liveout_before_guard, add_guard_exit_phis,
2776         insert_guard_phis, copy_renames): New.
2777         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2778         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2779         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2780         (scop_adjust_phis_for_liveouts): New.
2781         (gloog): Call scop_adjust_phis_for_liveouts.
2782
2783         * graphite.h (struct sese): Documented.  Added fields liveout,
2784         num_ver and livein.
2785         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2786         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2787         (struct scop): Added field liveout_renames.
2788         (SCOP_LIVEOUT_RENAMES): New.
2789
2790 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2791
2792         PR tree-optimization/38510
2793         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2794         (translate_clast): Call recompute_all_dominators before
2795         graphite_verify.
2796         (gloog): Call recompute_all_dominators before graphite_verify.
2797
2798 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2799             Jan Sjodin  <jan.sjodin@amd.com>
2800
2801         PR tree-optimization/38500
2802         * graphite.c (create_sese_edges): Call fix_loop_structure after
2803         splitting blocks.
2804
2805 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
2806
2807         * config.gcc: Add m32r*-*-rtems*.
2808         * config/m32r/rtems.h: New file.
2809
2810 2009-01-05  Ben Elliston  <bje@au.ibm.com>
2811
2812         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2813         (.po.pox): Likewise.
2814         (po/gcc.pot): Likewise.
2815
2816 2009-01-04  David S. Miller  <davem@davemloft.net>
2817
2818         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2819         (STARTING_FRAME_OFFSET): Always set to zero.
2820
2821 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2822
2823         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2824         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2825         fixed-point types, and vectors of the same.
2826
2827 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2828
2829         * config/mips/sync.md (*mb_barrier): Rename to...
2830         (*memory_barrier): ...this.
2831
2832 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
2833
2834         * doc/extend.texi (Function Attributes): Move @cindex after @item
2835         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2836         and put in alphabetical order. Fix 'target' name and put in order.
2837         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2838         typos.
2839
2840 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
2841
2842         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2843         (memory_barrier): Expand as unspec instead of unspec_volatile.
2844         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2845         (*memory_barrier): Define as unspec instead of unspec_volatile.
2846         Use (match_dup 0) as input operand.
2847
2848         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2849         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2850         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
2851         scratch register.  Remove operand 1.
2852         (*stbar): Define as unspec instead of unspec_volatile.
2853         Use (match_dup 0) as input operand, remove (const_int 8).
2854         (*membar): Define as unspec instead of unspec_volatile.
2855         Use (match_dup 0) as input operand, remove input operand 2.
2856
2857         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2858         (memory_barrier): Expand as unspec instead of unspec_volatile.
2859         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2860         (*memory_barrier): Define as unspec instead of unspec_volatile.
2861         Use (match_dup 0) as input operand.
2862
2863         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2864         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2865         Set volatile flag on operand 0.
2866         (*memory_barrier): New insn pattern.
2867
2868         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2869         insn operands.
2870         (*memory_barrier): Use (match_dup 0) as input operand.
2871
2872         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2873         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2874         Set volatile flag on operand 0.
2875         (*mb_internal): New insn pattern.
2876
2877         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2878
2879 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2880
2881         PR middle-end/38586
2882         * function.c (struct temp_slot): Move to the section of the file
2883         that deals with temp slots.  Remove field 'address'.
2884         (temp_slot_address_table): New hash table of address -> temp slot.
2885         (struct temp_slot_address_entry): New struct, items for the table.
2886         (temp_slot_address_compute_hash, temp_slot_address_hash,
2887         temp_slot_address_eq, insert_temp_slot_address): Support functions
2888         for the new table.
2889         (find_temp_slot_from_address): Rewrite to use the new hash table.
2890         (remove_unused_temp_slot_addresses): Remove addresses of temp
2891         slots that have been made available.
2892         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2893         worker function for remove_unused_temp_slot_addresses.
2894         (assign_stack_temp_for_type): Don't clear the temp slot address list.
2895         Add the temp slot address to the address -> temp slot map.
2896         (update_temp_slot_address): Update via insert_temp_slot_address.
2897         (free_temp_slots): Call remove_unused_temp_slot_addresses.
2898         (pop_temp_slots): Likewise.
2899         (init_temp_slots): Allocate the address -> temp slot map, or empty
2900         the map if it is already allocated.
2901         (prepare_function_start): Initialize temp slot processing.
2902
2903 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2904
2905         PR middle-end/38584
2906         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2907         Calculate the size of all stack vars assuming no packing of stack
2908         vars will happen, replacing a quadratic algorithm with a linear one.
2909
2910 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2911
2912         PR target/38707
2913         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2914         can't be used.
2915
2916 2009-01-03  Diego Novillo  <dnovillo@google.com>
2917
2918         * doc/contrib.texi: Update contributions.
2919
2920 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2921
2922         PR c++/38705
2923         * builtins.c (fold_builtin_memory_op): Give up if either operand
2924         is volatile.  Set srctype or desttype to non-qualified version
2925         of the other type.
2926
2927         PR c/38700
2928         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2929         and FUNCTION_DECLs.
2930
2931 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
2932
2933         PR rtl-optimization/35805
2934         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2935         problem if fast dce is able to remove any instructions.
2936         * dce.c (dce_process_block): Fix dump message.
2937         
2938 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
2939
2940         PR 33649
2941         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2942
2943 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
2944
2945         PR middle-end/38690
2946         * tree-flow.h (op_code_prio, op_prio): New prototypes.
2947         * tree-pretty-print.c (op_code_prio): New function.
2948         (op_prio): No longer static.  Use op_code_prio.
2949         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2950         Use op_prio and op_code_prio to determine if () should be
2951         printed around operand(s) or not.
2952
2953         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2954         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2955         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2956         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2957         pp_character instead of pp_string for single letter printing.
2958
2959 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2960
2961         * doc/extend.texi: Fix '#pragma GCC option' typo.
2962
2963 2009-01-02  Richard Guenther  <rguenther@suse.de>
2964
2965         * doc/install.texi (--enable-checking): Mention different
2966         default for stage1.
2967         (--enable-stage1-checking): Document.
2968
2969 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
2970
2971         PR middle-end/30142
2972         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
2973         case to be an error.
2974
2975 2009-01-02  Ben Elliston  <bje@au.ibm.com>
2976
2977         * config/fp-bit.h (pack_d): Constify argument.
2978         * config/fp-bit.c (makenan): Constify return type. Remove casts.
2979         (isnan): Constify argument.
2980         (isinf): Likewise.
2981         (iszero): Likewise.
2982         (pack_d): Likewise.
2983         (_fpadd_parts): Constify return type.
2984         (_fpmul_parts): Likewise.
2985         (_fpdiv_parts): Likewise.
2986
2987 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR c/36489
2990         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
2991         warn about overwriting initializer with side-effects or
2992         -Woverride-init if !IMPLICIT.
2993         (output_init_element): Likewise.  Pass IMPLICIT down to
2994         add_pending_init.
2995         (process_init_element): Add IMPLICIT argument.  Pass it down
2996         to output_init_element.
2997         (push_init_element, pop_init_level, set_designator): Adjust
2998         process_init_element callers.
2999         (set_nonincremental_init, set_nonincremental_init_from_string):
3000         Adjust add_pending_init callers.
3001         (output_pending_init_elements): Adjust output_init_element callers.
3002         * c-tree.h (process_init_element): Adjust prototype.
3003         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3004         process_init_element callers.