gcc/ChangeLog

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