gcc/ChangeLog

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