gcc/ChangeLog

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