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