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1 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2
3         PR middle-end/33092
4         * tree-pass.h (pass_build_alias): New pass.
5         * tree-ssa-alias.c (gate_build_alias): New.
6         (pass_build_alias): New.
7         * passes.c (init_optimization_passes): Add pass_build_alias after
8         pass_create_structure_vars.
9
10 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11
12         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
13         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
14         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
15         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
16         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
17         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
18         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
19         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
20         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
21         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
22         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
23         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
24         * config/s390/s390.md (FP_ALL): New mode iterator.
25         (_d): New mode attribute.
26         ("*signbit<mode>2>"): Changed mode of first operand.
27         ("isinf<mode>2"): Changed mode of first operand.
28         ("*TDC_insn"): Adaptation for DFP modes.
29
30 2008-01-22  Ben Elliston  <bje@au.ibm.com>
31
32         * tree.c (check_qualified_type): Improve function description.
33
34 2008-01-21  Jason Merrill  <jason@redhat.com>
35
36         PR c++/34196
37         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
38         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
39         if it is set.
40
41 2008-01-21  DJ Delorie  <dj@redhat.com>
42
43         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
44         return zero.
45
46 2008-01-21  Richard Guenther  <rguenther@suse.de>
47
48         PR middle-end/34856
49         * tree-cfg.c (verify_expr): Allow all invariant expressions
50         instead of just constant class ones as reference argument.
51         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
52         like any other constant.
53         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
54
55 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
56
57         * regmove.c (fixup_match_1): Update call crossed frequencies.
58
59 2008-01-21  Richard Guenther  <rguenther@suse.de>
60
61         PR c/34885
62         * tree-inline.c (setup_one_parameter): Deal with mismatched
63         types using a VIEW_CONVERT_EXPR.
64
65 2008-01-21  Alon Dayan  <alond@il.ibm.com>
66             Olga Golovanevsky  <olga@il.ibm.com>
67         
68         PR tree-optimization/34701
69         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
70         when the structure size is not a power of 2.
71
72 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
73
74         * doc/install.texi: Add doc for --enable-checking=df.
75         
76 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
77
78         PR rtl-optimization/34808
79         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
80
81 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
82
83         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
84         input.
85
86 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
87
88         PR rtl-optimization/26854
89         PR rtl-optimization/34400
90         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
91         DF_RD->gen.
92         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
93         (df_rd_bb_info.expanded_lr_out): New.
94         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
95         * loop_iv.c (iv_analysis_loop_init): Ditto.
96         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
97         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
98         Added code to allocate, initialize or free expanded_lr_out.
99         (df_rd_bb_local_compute_process_def): Restructured to make
100         more understandable.
101         (df_rd_confluence_n): Add code to do nothing with fake edges and
102         code to no apply invalidate_by_call sets if the sets are being trimmed.
103         (df_lr_local_finalize): Renamed to df_lr_finalize.
104         (df_live_local_finalize): Renamed to df_live_finalize.
105
106 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
107
108         PR target/34831
109         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
110         deciding whether to use reciprocal instructions.
111
112 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
113
114         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
115         dwarf2out_note_section_used if cold_text_section is NULL.
116
117 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
118
119         PR gcov-profile/34610
120         * tree-cfg.c (make_edges): Mark both outgoing edges from
121         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
122         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
123         from OMP_FOR and OMP_CONTINUE outgoing edges.
124
125         * tree-profile.c (tree_profiling): Return early if
126         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
127         at the end.
128         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
129         from cfun to child_cfun.
130         * function.h (struct function): Add after_tree_profile bit.
131
132 2008-01-19 Anatoly Sokolov <aesok@post.ru>
133
134         * config/avr/avr.S (_exit): Disable interrupt.
135
136 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
137             Steven Bosscher  <stevenb.gcc@gmail.com>
138
139         PR rtl-optimization/26854
140         PR rtl-optimization/34400
141         * df-problems.c (df_live_scratch): New scratch bitmap.
142         (df_live_alloc): Allocate df_live_scratch when doing df_live.
143         (df_live_reset): Clear the proper bitmaps.
144         (df_live_bb_local_compute): Only process the artificial defs once
145         since the order is not important.
146         (df_live_init): Init the df_live sets only with the variables
147         found live by df_lr.
148         (df_live_transfer_function): Use the df_lr sets to prune the
149         df_live sets as they are being computed.  
150         (df_live_free): Free df_live_scratch.
151
152 2008-01-18  Ian Lance Taylor  <iant@google.com>
153
154         * common.opt: Add fmerge-debug-strings.
155         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
156         flag_merge_debug_strings rather than flag_merge_constants.
157         * doc/invoke.texi (Option Summary): Mention
158         -fmerge-debug-strings.
159         (Debugging Options): Document -fmerge-debug-strings.
160
161 2008-01-18  Ian Lance Taylor  <iant@google.com>
162
163         PR c++/33407
164         * tree.h (DECL_IS_OPERATOR_NEW): Define.
165         (struct tree_function_decl): Add new field operator_new_flag.
166         * tree-inline.c (expand_call_inline): When inlining a call to
167         operator new, force the return value to go into a variable, and
168         set DECL_NO_TBAA_P on that variable.
169         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
170
171 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
172
173         PR debug/34484
174         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
175         DWARF2_DEBUGGING_INFO.
176         (dwarf2out_note_section_used): Ditto.  Add prototype.
177         (have_multiple_function_sections, text_section_used,
178         cold_text_section_used, *cold_text_sections): Move declarations
179         before their uses.
180
181 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
182
183         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
184         field and add signal_ra.
185         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
186         assignments to frame state pc.  Move end of stack check after
187         MD_FALLBACK_FRAME_STATE_FOR.
188         (uw_update_context_1): Use frame state signal_regs if set, instead
189         of checking signal_frame flag.
190         (uw_update_context): Use frame state signal_ra if set.
191         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
192         * config/xtensa/linux-unwind.h: New file.
193
194 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
195
196         * modulo-sched.c (get_sched_window): Fix comment typo.
197
198 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
199
200         PR tree-optimization/34648
201         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
202
203 2008-01-17  Anatoly Sokolov <aesok@post.ru>
204
205         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
206         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
207
208 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
209
210         PR rtl-optimization/34400
211         * df-core.c (df_worklist_dataflow_overeager,
212         df_worklist_dataflow_doublequeue): New functions.
213         (df_worklist_dataflow): Two different worklist solvers.
214         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
215         New param.
216
217 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
218
219         PR testsuite/34821
220         * doc/invoke.texi: Document the dependence on pthread for fopenmp
221         and ftree-parallelize-loops.
222
223 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
224
225         PR rtl-optimization/34826
226         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
227
228 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
229
230         * global.c (find_reg): Mark the eh regs as used if necessary.
231         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
232         * ra.h (struct allocno): no_eh_reg field added.  Changed
233         no_stack_reg type to bitfield.
234
235 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
236
237         * tree.c (substitute_in_expr): Add missing 'break'.
238
239 2008-01-17  Richard Guenther  <rguenther@suse.de>
240
241         PR tree-optimization/34825
242         * tree-ssa-math-opts.c (is_division_by): Do not recognize
243         x / x as division to handle.
244
245 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
246
247         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
248         "-pthread" is specified.
249         * pa-hpux11.h (LIB_SPEC): Likewise.
250
251 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
252             Peter Bergner  <bergner@vnet.ibm.com>
253
254         PR rtl-optimization/33796
255         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
256
257 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
258
259         PR libgfortran/34699
260         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
261         static links.
262         * pa-hpux10.h (LINK_SPEC): Likewise.
263         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
264
265 2008-01-16  Richard Guenther  <rguenther@suse.de>
266
267         PR middle-end/32628
268         * fold-const.c (fold_convert_const_int_from_int): Do not
269         set overflow if that occured only because of a sign extension
270         change when converting from/to a sizetype with the same
271         precision and signedness.
272
273 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
274
275         PR debug/34249
276         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
277         location address to the correct place.  Update copyright year.
278
279 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
280
281         * lambda-code.c (lambda_transform_legal_p): Handle the case of
282         no dependences in the dependence_relations vector.
283
284 2008-01-16  Jan Hubicka  <jh@suse.cz>
285
286         PR rtl-optimization/31396
287         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
288         * cfg.c (dump_reg_info): Print it.
289         * regs.h (struct reg_info_t): add freq_calls_crossed.
290         (REG_FREQ_CALLS_CROSSED): New macro.
291         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
292         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
293         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
294         regmove_optimize): Update call crossed frequencies.
295         * local-alloc.c (struct qty): Add freq_calls_crossed.
296         (alloc_qty): Copute freq_calls_crossed.
297         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
298         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
299         * ra.h (struct allocno): Add freq_calls_crossed.
300
301 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
302
303         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
304         libgomp when compiling with ftree-parallelize-loops.
305         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
306
307 2008-01-16  Richard Guenther  <rguenther@suse.de>
308
309         PR tree-optimization/34769
310         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
311         * tree.c (int_cst_value): Instead make this function more
312         permissive in what it accepts as valid input.  Document this
313         function always sign-extends the value.
314
315 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
316             Richard Guenther  <rguenther@suse.de>
317
318         PR c/34668
319         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
320         (gimple_fold_indirect_ref_rhs): ... this.
321         (gimple_fold_indirect_ref): New function with foldings
322         that preserve lvalueness.
323         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
324         * tree-flow.h (gimple_fold_indirect_ref): Declare.
325         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
326         to fold an INDIRECT_REF, fall back to the old use of
327         fold_indirect_ref_1.
328
329 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
330
331         * tree-data-ref.c (subscript_dependence_tester_1): Call 
332         free_conflict_function.
333         (compute_self_dependence): Same.
334
335 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
336
337         PR debug/34249
338         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
339         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
340         function global.
341         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
342         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
343         for DWARF2_UNWIND_INFO targets.
344
345 2008-01-16  Richard Guenther  <rguenther@suse.de>
346
347         PR c/34768
348         * c-typeck.c (common_pointer_type): Do not merge inconsistent
349         type qualifiers for function types.
350
351 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
352
353         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
354         loop_iterator li from previous commit.
355
356 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
357
358         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
359
360 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
361
362         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
363         (parallelize_loops): Don't parallelize irreducible components.
364
365 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
366
367         PR c++/24924
368         * c-opts (c_common_post_options): Do not enable CPP
369         flag_pedantic_errors by default.
370         
371 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
372
373         PR rtl-optimization/31944
374         * cse.c (remove_pseudo_from_table): New function.
375         (merge_equiv_classes): Use above function to remove pseudo-registers.
376         (invalidate): Likewise.
377
378 2008-01-13  Richard Guenther  <rguenther@suse.de>
379
380         PR middle-end/34601
381         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
382         instead of TYPE_MODE to deal with calls from expand_one_error_var.
383
384 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
385
386         * gcse.c (cprop_jump): Call validate_unshare_change instead of
387         validate_change to unshare the source of the PC set.
388
389 2008-01-12  Jan Hubicka  <jh@suse.cz>
390
391         PR middle-end/32135
392         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
393         references above array bounds.  This might trigger bounds checks for
394         pointers to arrays.
395
396 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
397
398         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
399         new_replaceable_dependencies.
400
401 2008-01-12  Doug Kwan  <dougkwan@google.com>
402
403         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
404         instead of OPT_Wreturn_type in warning due to ignored return type
405         qualifiers.
406         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
407         options included in -Wextra.
408         * c.opt: New option -Wignored_qualifiers.
409         * doc/invoke.texi (Warning Options, -Wextra): Add new option
410         -Wignore_qualifiers.
411         (-Wignored-qualifiers): Document.
412         (-Wreturn-type): Remove description of functionality now handled
413         by -Wignored-qualifiers.
414
415 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
416
417         PR ada/33788
418         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
419         NOP_EXPR if it is between integral types with the same precision.
420
421 2008-01-12  Jan Hubicka  <jh@suse.cz>
422
423         PR other/28023
424         * invoke.texi (max-inline-recursive-depth): Fix default value.
425
426 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
427
428         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
429         correct type.
430
431 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
432         
433         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
434         
435 2008-01-11  James E. Wilson  <wilson@specifix.com>
436
437         PR target/26015
438         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
439
440 2008-01-11  Anatoly Sokolov <aesok@post.ru>
441
442         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
443         save/restore frame pointer register and don't use 'call-prologues' 
444         optimization in function with "OS_task" attribute.
445
446 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
447
448         PR middle-end/31309
449         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
450         when copying to memory.
451
452 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
453
454         PR rtl-optimization/30905
455         * cfgcleanup.c: Include dce.h
456         (crossjumps_occured): New global variable.
457         (try_crossjump_bb): Exit loop after finding a fallthru edge.
458         If something changed, set crossjumps_occured to true.
459         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
460         Don't add/remove fake edges to exit here...
461         (cleanup_cfg): ...but do it here, when crossjumping.
462         Run a fast DCE when successful crossjumps occured in the latest
463         iteration of try_optimize_cfg.
464
465 2008-01-11  Richard Guenther  <rguenther@suse.de>
466
467         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
468         (struct vn_unary_op_s): Likewise.
469         (vn_reference_insert): Free old reference on hash collision.
470
471 2008-01-10  Raksit Ashok  <raksit@google.com>
472
473         PR rtl-optimization/27971
474         * combine.c (find_split_point): Split PLUS expressions which are
475         inside a MEM rtx, and whose first operand is complex.
476
477 2008-01-10  DJ Delorie  <dj@redhat.com>
478
479         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
480         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
481         (m32c_hard_regno_ok): Call the underlying function.
482
483 2008-01-10  Richard Guenther  <rguenther@suse.de>
484
485         PR middle-end/34683
486         * tree-cfg.c (tree_merge_blocks): Do not go through the
487         full-blown folding and stmt updating path if we just deal
488         with virtual operands.
489         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
490         test for abnormal SSA_NAMEs.
491
492 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
493
494         PR middle-end/34641
495         * reload.c (push_reload): Add assertions.  All constants from
496         reg_equiv_constant should have been used for replacing the respective
497         pseudo earlier.
498         (find_reloads_address): Invoke find_reloads_address_part for
499         constant taken from the reg_equiv_constant array.
500
501 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
502
503         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
504         field (valnum) the first in the struct.  Replace bools with
505         unit bit fields.
506
507 2008-01-10  Richard Guenther  <rguenther@suse.de>
508
509         PR tree-optimization/34651
510         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
511         types and ordering for masking and converting.
512
513 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
514
515         PR tree-optimization/34017
516         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
517         also for PHI_NODE expressions.
518
519 2008-01-09  Jan Hubicka  <jh@suse.cz>
520
521         PR tree-optimization/34708
522         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
523         based on number of case labels.
524         (init_inline_once): Remove switch_cost.
525         * tree-inline.h (eni_weights_d): Remove switch_cost.
526
527 2008-01-09  Richard Guenther  <rguenther@suse.de>
528         Andrew Pinski  <andrew_pinski@playstation.sony.com>
529
530         PR middle-end/30132
531         * gimplify.c (gimplify_cond_expr): Do not create an addressable
532         temporary if an rvalue is ok or an lvalue is not required.
533
534 2008-01-09  Richard Guenther  <rguenther@suse.de>
535
536         PR middle-end/34458
537         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
538         adjust return type.
539
540 2008-01-09  Richard Guenther  <rguenther@suse.de>
541
542         PR middle-end/34679
543         * tree.c (host_integerp): Check for sizetype only if the
544         type is an integer type.
545
546 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
547
548         PR debug/26364
549         * opts.c (decode_options): Disable inlining of functions called
550         once if not in unit-at-a-time mode.
551
552 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
553
554         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
555
556 2008-01-08  Richard Guenther  <rguenther@suse.de>
557
558         PR middle-end/31863
559         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
560         out early if the result will be unused.
561
562 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
563
564         PR target/34709
565         Revert:
566
567         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
568         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
569         for TARGET_RECIP.       
570         
571 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
572         
573         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
574         for vectorization tuned.
575         
576 2008-01-08  Richard Guenther  <rguenther@suse.de>
577
578         PR tree-optimization/34683
579         * tree-ssa-operands.c (operand_build_cmp): Export.
580         * tree-ssa-operands.h (operand_build_cmp): Declare.
581         * tree-vn.c (vuses_compare): Remove.
582         (sort_vuses): Use operand_build_cmp.
583         (sort_vuses_heap): Likewise.
584         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
585         to re-use old VEC if available.  Do not sort already sorted VUSEs.
586         (vdefs_to_vec): Do not sort already sorted VDEFs.
587
588 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
589
590         PR middle-end/34694
591         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
592
593 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
594
595         PR target/34702
596         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
597         limitations of reciprocal sequences on x86 targets.
598
599 2008-01-08  Richard Guenther  <rguenther@suse.de>
600
601         PR tree-optimization/34683
602         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
603
604 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
605
606         PR target/34622
607         * config/darwin.c (darwin_mergeable_string_section): Don't use
608         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
609
610 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
611
612         PR target/34682
613         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
614         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
615         predicates of op0 and op1 to register_operand.
616         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
617         expander using X87MODEF mode iterator.  Change predicates of
618         op0 and op1 to register_operand.
619         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
620         corresponding patterns and macroize using MODEF macro.  Change
621         predicates of op0 and op1 to register_operand and remove
622         "m" constraint. Disparage "r" alternative with "!".
623         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
624         macroize using X87MODEF macro.  Change predicates of op0 and op1
625         to register_operand and remove "m" constraint.  Disparage "r"
626         alternative with "!".
627         (absneg splitter with memory operands): Remove.
628         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
629         patterns and macroize using X87MODEF mode iterator.
630         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
631         Change predicate of op1 to register_operand.
632         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
633         for memory operands.
634
635 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
636
637         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
638
639 2008-01-07  Richard Guenther  <rguenther@suse.de>
640
641         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
642         fields.
643
644 2008-01-07  Richard Guenther  <rguenther@suse.de>
645
646         PR tree-optimization/34683
647         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
648         VOPs of the needed size to save memory.  Use VEC_quick_push
649         to save compile-time.
650         (vdefs_to_vec): Likewise.
651
652 2008-01-07  Sa Liu  <saliu@de.ibm.com>
653
654         * config/spu/spu.md (divdf3): Genetate inline code for double
655         division.  The implementation doesn't handle INF or NAN, therefore it
656         only applies when -ffinite-math-only is given.
657
658 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
659
660         PR libstdc++/34680
661         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
662         * doc/cpp.texi ([Common Predefined Macros]): Document.
663
664 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
665
666         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
667         order to use commutative addition instead of subtraction.
668
669 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
670             Mircea Namolaru  <namolaru@il.ibm.com>
671             Vladimir Yanovsky  <yanov@il.ibm.com>
672             Revital Eres  <eres@il.ibm.com>
673
674         PR tree-optimization/34263
675         * tree-outof-ssa.c (process_single_block_loop_latch,
676         contains_tree_r): New functions.
677         (analyze_edges_for_bb): Call process_single_block_loop_latch
678         function to empty single-basic-block latch block if possible.
679
680 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
681
682         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
683         for TARGET_RECIP.
684         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
685
686 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
687
688         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
689
690 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
691
692         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
693
694 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
695
696         PR tree-optimization/34618
697         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
698         flag from T.
699
700 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
701
702         PR target/34673
703         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
704         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
705         Update copyright year.
706
707         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
708         Update copyright year.
709         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
710         using NR fixup.
711
712 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
713
714         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
715         edge does not point to current bb before changing need_assert.
716
717 2008-01-04  Richard Guenther  <rguenther@suse.de>
718
719         PR middle-end/34029
720         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
721         for verifying purposes if they are is_gimple_min_invariant.
722
723 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
724
725         PR tree-optimization/34448
726         PR tree-optimization/34465
727         * gimplify.c (gimplify_init_constructor): Add new parameter
728         notify_temp_creation.  Use it.
729         (gimplify_modify_expr_rhs): Take volatiles into account when
730         optimizing constructors.
731         Do not optimize constructors if gimplify_init_constructor will dump to
732         memory.
733         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
734         * gcc.c-torture/compile/pr34448.c: New.
735
736 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
737
738         PR gcov-profile/34609
739         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
740         return_slot if result is TREE_ADDRESSABLE.
741
742 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
743
744         * config/mips/mips.md (sqrt_condition): Tweak comment.
745         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
746
747 2008-01-03  Tom Tromey  <tromey@redhat.com>
748
749         PR c/34457
750         * c-common.c (c_type_hash): Handle VLAs.
751
752 2008-01-03  Jan Hubicka  <jh@suse.cz>
753
754         PR tree-optimization/31081
755         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
756         0 when inlining and not inlining to first basic block.
757         (remap_decl): When var is initialized to 0, don't set default_def.
758         (expand_call_inline): Set entry_bb.
759         * tree-inline.h (copy_body_data): Add entry_bb.
760
761 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
762
763         PR c++/34619
764         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
765         before returning.
766
767         PR tree-optimization/29484
768         * tree-inline.c (inline_forbidden_p_2): New function.
769         (inline_forbidden_p): Disallow inlining if some static var
770         has an address of a local LABEL_DECL in its initializer.
771         * doc/extend.texi (Labels as Values): Document &&foo behaviour
772         vs. inlining.
773
774 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
775
776         PR tree-optimization/34635
777         * tree-data-ref.c (add_other_self_distances): Make sure that the
778         evolution step is constant.
779
780 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
781
782         PR middle-end/34608
783         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
784
785 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
786
787         * tree-sra.c (scalarize_init): Insert the generate_element_init
788         statements after the generate_element_zero statements.
789
790 2008-01-02  Richard Guenther  <rguenther@suse.de>
791
792         PR middle-end/34093
793         PR middle-end/31976
794         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
795         for very large number of operands instead of ICEing.
796
797 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
798
799         PR target/34013
800         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
801         while stack probing.
802
803 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
804
805         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
806         in C++0x mode.
807
808 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
809
810         PR libmudflap/26442
811         * tree-mudflap.c (mx_register_decls): Guard warning by
812         !DECL_ARTIFICIAL check.
813
814 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
815
816         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
817         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
818         sse5_perm<mode>): Fix constraints.