gcc/ChangeLog

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