gcc/ChangeLog

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