gcc/ChangeLog

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