gcc/ChangeLog

   1 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
   2
   3         PR target/34529
   4         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
   5         Offset addresses are not valid for Altivec or paired float modes.
   6
   7 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR c++/34607
  10         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
  11         if DECL_INITIAL (decl) is error_mark_node.
  12
  13         PR c++/34914
  14         * c-common.c (handle_vector_size_attribute): Only allow
  15         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
  16         the same way as pointer, array etc. types.
  17         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
  18
  19         PR c++/34917
  20         * tree.c (build_type_attribute_qual_variant): Call
  21         build_qualified_type if attributes are equal, but quals are not.
  22
  23 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  24
  25         PR 32102
  26         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
  27         * flags.h (warn_strict_aliasing): Remove.
  28         (warn_strict_overflow): Remove.
  29         * opts.c (warn_strict_aliasing): Remove.
  30         (warn_strict_overflow): Remove.
  31         * c-opts.c (c_common_handle_option): -Wall only sets
  32         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
  33         (c_common_post_options): Give default values to -Wstrict-aliasing
  34         and -Wstrict-overflow if they are uninitialized.
  35         * common.opt (Wstrict-aliasing): Specify Var and Init.
  36         (Wstrict-overflow): Likewise.
  37
  38 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
  39
  40         PR rtl-optimization/26854
  41         PR rtl-optimization/34400
  42         PR rtl-optimization/34884
  43         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
  44         DF_RD->gen.
  45         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
  46         (df_rd_bb_info.expanded_lr_out): Deleted
  47         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
  48         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
  49         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
  50         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
  51         Removed code to allocate, initialize or free expanded_lr_out.
  52         (df_rd_bb_local_compute_process_def): Restructured to make more
  53         understandable.
  54         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
  55         sets if the sets are being trimmed.
  56
  57 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  58
  59         PR bootstrap/32287
  60         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
  61         (as_vers): Likewise.
  62         * configure: Regenerated.
  63
  64 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  65
  66         PR middle-end/33092
  67         * tree-pass.h (pass_build_alias): New pass.
  68         * tree-ssa-alias.c (gate_build_alias): New.
  69         (pass_build_alias): New.
  70         * passes.c (init_optimization_passes): Add pass_build_alias after
  71         pass_create_structure_vars.
  72
  73 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
  74
  75         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
  76         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
  77         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
  78         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
  79         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
  80         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
  81         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
  82         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
  83         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
  84         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
  85         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
  86         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
  87         * config/s390/s390.md (FP_ALL): New mode iterator.
  88         (_d): New mode attribute.
  89         ("*signbit<mode>2>"): Changed mode of first operand.
  90         ("isinf<mode>2"): Changed mode of first operand.
  91         ("*TDC_insn"): Adaptation for DFP modes.
  92
  93 2008-01-22  Ben Elliston  <bje@au.ibm.com>
  94
  95         * tree.c (check_qualified_type): Improve function description.
  96
  97 2008-01-21  Jason Merrill  <jason@redhat.com>
  98
  99         PR c++/34196
 100         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 101         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 102         if it is set.
 103
 104 2008-01-21  DJ Delorie  <dj@redhat.com>
 105
 106         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 107         return zero.
 108
 109 2008-01-21  Richard Guenther  <rguenther@suse.de>
 110
 111         PR middle-end/34856
 112         * tree-cfg.c (verify_expr): Allow all invariant expressions
 113         instead of just constant class ones as reference argument.
 114         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 115         like any other constant.
 116         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 117
 118 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 119
 120         * regmove.c (fixup_match_1): Update call crossed frequencies.
 121
 122 2008-01-21  Richard Guenther  <rguenther@suse.de>
 123
 124         PR c/34885
 125         * tree-inline.c (setup_one_parameter): Deal with mismatched
 126         types using a VIEW_CONVERT_EXPR.
 127
 128 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 129             Olga Golovanevsky  <olga@il.ibm.com>
 130
 131         PR tree-optimization/34701
 132         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 133         when the structure size is not a power of 2.
 134
 135 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 136
 137         * doc/install.texi: Add doc for --enable-checking=df.
 138
 139 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 140
 141         PR rtl-optimization/34808
 142         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 143
 144 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 145
 146         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 147         input.
 148
 149 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 150
 151         PR rtl-optimization/26854
 152         PR rtl-optimization/34400
 153         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 154         DF_RD->gen.
 155         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 156         (df_rd_bb_info.expanded_lr_out): New.
 157         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 158         * loop_iv.c (iv_analysis_loop_init): Ditto.
 159         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 160         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 161         Added code to allocate, initialize or free expanded_lr_out.
 162         (df_rd_bb_local_compute_process_def): Restructured to make
 163         more understandable.
 164         (df_rd_confluence_n): Add code to do nothing with fake edges and
 165         code to no apply invalidate_by_call sets if the sets are being trimmed.
 166         (df_lr_local_finalize): Renamed to df_lr_finalize.
 167         (df_live_local_finalize): Renamed to df_live_finalize.
 168
 169 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 170
 171         PR target/34831
 172         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 173         deciding whether to use reciprocal instructions.
 174
 175 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 176
 177         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 178         dwarf2out_note_section_used if cold_text_section is NULL.
 179
 180 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 181
 182         PR gcov-profile/34610
 183         * tree-cfg.c (make_edges): Mark both outgoing edges from
 184         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 185         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 186         from OMP_FOR and OMP_CONTINUE outgoing edges.
 187
 188         * tree-profile.c (tree_profiling): Return early if
 189         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 190         at the end.
 191         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 192         from cfun to child_cfun.
 193         * function.h (struct function): Add after_tree_profile bit.
 194
 195 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 196
 197         * config/avr/avr.S (_exit): Disable interrupt.
 198
 199 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 200             Steven Bosscher  <stevenb.gcc@gmail.com>
 201
 202         PR rtl-optimization/26854
 203         PR rtl-optimization/34400
 204         * df-problems.c (df_live_scratch): New scratch bitmap.
 205         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 206         (df_live_reset): Clear the proper bitmaps.
 207         (df_live_bb_local_compute): Only process the artificial defs once
 208         since the order is not important.
 209         (df_live_init): Init the df_live sets only with the variables
 210         found live by df_lr.
 211         (df_live_transfer_function): Use the df_lr sets to prune the
 212         df_live sets as they are being computed.
 213         (df_live_free): Free df_live_scratch.
 214
 215 2008-01-18  Ian Lance Taylor  <iant@google.com>
 216
 217         * common.opt: Add fmerge-debug-strings.
 218         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 219         flag_merge_debug_strings rather than flag_merge_constants.
 220         * doc/invoke.texi (Option Summary): Mention
 221         -fmerge-debug-strings.
 222         (Debugging Options): Document -fmerge-debug-strings.
 223
 224 2008-01-18  Ian Lance Taylor  <iant@google.com>
 225
 226         PR c++/33407
 227         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 228         (struct tree_function_decl): Add new field operator_new_flag.
 229         * tree-inline.c (expand_call_inline): When inlining a call to
 230         operator new, force the return value to go into a variable, and
 231         set DECL_NO_TBAA_P on that variable.
 232         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 233
 234 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 235
 236         PR debug/34484
 237         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 238         DWARF2_DEBUGGING_INFO.
 239         (dwarf2out_note_section_used): Ditto.  Add prototype.
 240         (have_multiple_function_sections, text_section_used,
 241         cold_text_section_used, *cold_text_sections): Move declarations
 242         before their uses.
 243
 244 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
 245
 246         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 247         field and add signal_ra.
 248         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 249         assignments to frame state pc.  Move end of stack check after
 250         MD_FALLBACK_FRAME_STATE_FOR.
 251         (uw_update_context_1): Use frame state signal_regs if set, instead
 252         of checking signal_frame flag.
 253         (uw_update_context): Use frame state signal_ra if set.
 254         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 255         * config/xtensa/linux-unwind.h: New file.
 256
 257 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 258
 259         * modulo-sched.c (get_sched_window): Fix comment typo.
 260
 261 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 262
 263         PR tree-optimization/34648
 264         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 265
 266 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 267
 268         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 269         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 270
 271 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 272
 273         PR rtl-optimization/34400
 274         * df-core.c (df_worklist_dataflow_overeager,
 275         df_worklist_dataflow_doublequeue): New functions.
 276         (df_worklist_dataflow): Two different worklist solvers.
 277         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 278         New param.
 279
 280 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 281
 282         PR testsuite/34821
 283         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 284         and ftree-parallelize-loops.
 285
 286 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 287
 288         PR rtl-optimization/34826
 289         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 290
 291 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 292
 293         * global.c (find_reg): Mark the eh regs as used if necessary.
 294         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 295         * ra.h (struct allocno): no_eh_reg field added.  Changed
 296         no_stack_reg type to bitfield.
 297
 298 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 299
 300         * tree.c (substitute_in_expr): Add missing 'break'.
 301
 302 2008-01-17  Richard Guenther  <rguenther@suse.de>
 303
 304         PR tree-optimization/34825
 305         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 306         x / x as division to handle.
 307
 308 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 309
 310         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 311         "-pthread" is specified.
 312         * pa-hpux11.h (LIB_SPEC): Likewise.
 313
 314 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 315             Peter Bergner  <bergner@vnet.ibm.com>
 316
 317         PR rtl-optimization/33796
 318         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 319
 320 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 321
 322         PR libgfortran/34699
 323         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 324         static links.
 325         * pa-hpux10.h (LINK_SPEC): Likewise.
 326         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 327
 328 2008-01-16  Richard Guenther  <rguenther@suse.de>
 329
 330         PR middle-end/32628
 331         * fold-const.c (fold_convert_const_int_from_int): Do not
 332         set overflow if that occured only because of a sign extension
 333         change when converting from/to a sizetype with the same
 334         precision and signedness.
 335
 336 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 337
 338         PR debug/34249
 339         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 340         location address to the correct place.  Update copyright year.
 341
 342 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 345         no dependences in the dependence_relations vector.
 346
 347 2008-01-16  Jan Hubicka  <jh@suse.cz>
 348
 349         PR rtl-optimization/31396
 350         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 351         * cfg.c (dump_reg_info): Print it.
 352         * regs.h (struct reg_info_t): add freq_calls_crossed.
 353         (REG_FREQ_CALLS_CROSSED): New macro.
 354         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 355         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 356         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 357         regmove_optimize): Update call crossed frequencies.
 358         * local-alloc.c (struct qty): Add freq_calls_crossed.
 359         (alloc_qty): Copute freq_calls_crossed.
 360         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 361         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 362         * ra.h (struct allocno): Add freq_calls_crossed.
 363
 364 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 365
 366         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 367         libgomp when compiling with ftree-parallelize-loops.
 368         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 369
 370 2008-01-16  Richard Guenther  <rguenther@suse.de>
 371
 372         PR tree-optimization/34769
 373         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 374         * tree.c (int_cst_value): Instead make this function more
 375         permissive in what it accepts as valid input.  Document this
 376         function always sign-extends the value.
 377
 378 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 379             Richard Guenther  <rguenther@suse.de>
 380
 381         PR c/34668
 382         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 383         (gimple_fold_indirect_ref_rhs): ... this.
 384         (gimple_fold_indirect_ref): New function with foldings
 385         that preserve lvalueness.
 386         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 387         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 388         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 389         to fold an INDIRECT_REF, fall back to the old use of
 390         fold_indirect_ref_1.
 391
 392 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * tree-data-ref.c (subscript_dependence_tester_1): Call
 395         free_conflict_function.
 396         (compute_self_dependence): Same.
 397
 398 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 399
 400         PR debug/34249
 401         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 402         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 403         function global.
 404         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 405         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 406         for DWARF2_UNWIND_INFO targets.
 407
 408 2008-01-16  Richard Guenther  <rguenther@suse.de>
 409
 410         PR c/34768
 411         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 412         type qualifiers for function types.
 413
 414 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 415
 416         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 417         loop_iterator li from previous commit.
 418
 419 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 422
 423 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 426         (parallelize_loops): Don't parallelize irreducible components.
 427
 428 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 429
 430         PR c++/24924
 431         * c-opts (c_common_post_options): Do not enable CPP
 432         flag_pedantic_errors by default.
 433
 434 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 435
 436         PR rtl-optimization/31944
 437         * cse.c (remove_pseudo_from_table): New function.
 438         (merge_equiv_classes): Use above function to remove pseudo-registers.
 439         (invalidate): Likewise.
 440
 441 2008-01-13  Richard Guenther  <rguenther@suse.de>
 442
 443         PR middle-end/34601
 444         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 445         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 446
 447 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 448
 449         * gcse.c (cprop_jump): Call validate_unshare_change instead of
 450         validate_change to unshare the source of the PC set.
 451
 452 2008-01-12  Jan Hubicka  <jh@suse.cz>
 453
 454         PR middle-end/32135
 455         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
 456         references above array bounds.  This might trigger bounds checks for
 457         pointers to arrays.
 458
 459 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 460
 461         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
 462         new_replaceable_dependencies.
 463
 464 2008-01-12  Doug Kwan  <dougkwan@google.com>
 465
 466         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
 467         instead of OPT_Wreturn_type in warning due to ignored return type
 468         qualifiers.
 469         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
 470         options included in -Wextra.
 471         * c.opt: New option -Wignored_qualifiers.
 472         * doc/invoke.texi (Warning Options, -Wextra): Add new option
 473         -Wignore_qualifiers.
 474         (-Wignored-qualifiers): Document.
 475         (-Wreturn-type): Remove description of functionality now handled
 476         by -Wignored-qualifiers.
 477
 478 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
 479
 480         PR ada/33788
 481         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
 482         NOP_EXPR if it is between integral types with the same precision.
 483
 484 2008-01-12  Jan Hubicka  <jh@suse.cz>
 485
 486         PR other/28023
 487         * invoke.texi (max-inline-recursive-depth): Fix default value.
 488
 489 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
 490
 491         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
 492         correct type.
 493
 494 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
 495
 496         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
 497
 498 2008-01-11  James E. Wilson  <wilson@specifix.com>
 499
 500         PR target/26015
 501         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 502
 503 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 504
 505         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 506         save/restore frame pointer register and don't use 'call-prologues'
 507         optimization in function with "OS_task" attribute.
 508
 509 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 510
 511         PR middle-end/31309
 512         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 513         when copying to memory.
 514
 515 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 516
 517         PR rtl-optimization/30905
 518         * cfgcleanup.c: Include dce.h
 519         (crossjumps_occured): New global variable.
 520         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 521         If something changed, set crossjumps_occured to true.
 522         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 523         Don't add/remove fake edges to exit here...
 524         (cleanup_cfg): ...but do it here, when crossjumping.
 525         Run a fast DCE when successful crossjumps occured in the latest
 526         iteration of try_optimize_cfg.
 527
 528 2008-01-11  Richard Guenther  <rguenther@suse.de>
 529
 530         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 531         (struct vn_unary_op_s): Likewise.
 532         (vn_reference_insert): Free old reference on hash collision.
 533
 534 2008-01-10  Raksit Ashok  <raksit@google.com>
 535
 536         PR rtl-optimization/27971
 537         * combine.c (find_split_point): Split PLUS expressions which are
 538         inside a MEM rtx, and whose first operand is complex.
 539
 540 2008-01-10  DJ Delorie  <dj@redhat.com>
 541
 542         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 543         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 544         (m32c_hard_regno_ok): Call the underlying function.
 545
 546 2008-01-10  Richard Guenther  <rguenther@suse.de>
 547
 548         PR middle-end/34683
 549         * tree-cfg.c (tree_merge_blocks): Do not go through the
 550         full-blown folding and stmt updating path if we just deal
 551         with virtual operands.
 552         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 553         test for abnormal SSA_NAMEs.
 554
 555 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 556
 557         PR middle-end/34641
 558         * reload.c (push_reload): Add assertions.  All constants from
 559         reg_equiv_constant should have been used for replacing the respective
 560         pseudo earlier.
 561         (find_reloads_address): Invoke find_reloads_address_part for
 562         constant taken from the reg_equiv_constant array.
 563
 564 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 565
 566         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 567         field (valnum) the first in the struct.  Replace bools with
 568         unit bit fields.
 569
 570 2008-01-10  Richard Guenther  <rguenther@suse.de>
 571
 572         PR tree-optimization/34651
 573         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 574         types and ordering for masking and converting.
 575
 576 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 577
 578         PR tree-optimization/34017
 579         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 580         also for PHI_NODE expressions.
 581
 582 2008-01-09  Jan Hubicka  <jh@suse.cz>
 583
 584         PR tree-optimization/34708
 585         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 586         based on number of case labels.
 587         (init_inline_once): Remove switch_cost.
 588         * tree-inline.h (eni_weights_d): Remove switch_cost.
 589
 590 2008-01-09  Richard Guenther  <rguenther@suse.de>
 591         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 592
 593         PR middle-end/30132
 594         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 595         temporary if an rvalue is ok or an lvalue is not required.
 596
 597 2008-01-09  Richard Guenther  <rguenther@suse.de>
 598
 599         PR middle-end/34458
 600         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 601         adjust return type.
 602
 603 2008-01-09  Richard Guenther  <rguenther@suse.de>
 604
 605         PR middle-end/34679
 606         * tree.c (host_integerp): Check for sizetype only if the
 607         type is an integer type.
 608
 609 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 610
 611         PR debug/26364
 612         * opts.c (decode_options): Disable inlining of functions called
 613         once if not in unit-at-a-time mode.
 614
 615 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 616
 617         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 618
 619 2008-01-08  Richard Guenther  <rguenther@suse.de>
 620
 621         PR middle-end/31863
 622         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 623         out early if the result will be unused.
 624
 625 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 626
 627         PR target/34709
 628         Revert:
 629
 630         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 631         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 632         for TARGET_RECIP.
 633
 634 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
 635
 636         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
 637         for vectorization tuned.
 638
 639 2008-01-08  Richard Guenther  <rguenther@suse.de>
 640
 641         PR tree-optimization/34683
 642         * tree-ssa-operands.c (operand_build_cmp): Export.
 643         * tree-ssa-operands.h (operand_build_cmp): Declare.
 644         * tree-vn.c (vuses_compare): Remove.
 645         (sort_vuses): Use operand_build_cmp.
 646         (sort_vuses_heap): Likewise.
 647         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
 648         to re-use old VEC if available.  Do not sort already sorted VUSEs.
 649         (vdefs_to_vec): Do not sort already sorted VDEFs.
 650
 651 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 652
 653         PR middle-end/34694
 654         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
 655
 656 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 657
 658         PR target/34702
 659         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
 660         limitations of reciprocal sequences on x86 targets.
 661
 662 2008-01-08  Richard Guenther  <rguenther@suse.de>
 663
 664         PR tree-optimization/34683
 665         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
 666
 667 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
 668
 669         PR target/34622
 670         * config/darwin.c (darwin_mergeable_string_section): Don't use
 671         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
 672
 673 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
 674
 675         PR target/34682
 676         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
 677         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
 678         predicates of op0 and op1 to register_operand.
 679         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
 680         expander using X87MODEF mode iterator.  Change predicates of
 681         op0 and op1 to register_operand.
 682         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
 683         corresponding patterns and macroize using MODEF macro.  Change
 684         predicates of op0 and op1 to register_operand and remove
 685         "m" constraint. Disparage "r" alternative with "!".
 686         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
 687         macroize using X87MODEF macro.  Change predicates of op0 and op1
 688         to register_operand and remove "m" constraint.  Disparage "r"
 689         alternative with "!".
 690         (absneg splitter with memory operands): Remove.
 691         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
 692         patterns and macroize using X87MODEF mode iterator.
 693         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
 694         Change predicate of op1 to register_operand.
 695         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
 696         for memory operands.
 697
 698 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
 699
 700         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
 701
 702 2008-01-07  Richard Guenther  <rguenther@suse.de>
 703
 704         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
 705         fields.
 706
 707 2008-01-07  Richard Guenther  <rguenther@suse.de>
 708
 709         PR tree-optimization/34683
 710         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
 711         VOPs of the needed size to save memory.  Use VEC_quick_push
 712         to save compile-time.
 713         (vdefs_to_vec): Likewise.
 714
 715 2008-01-07  Sa Liu  <saliu@de.ibm.com>
 716
 717         * config/spu/spu.md (divdf3): Genetate inline code for double
 718         division.  The implementation doesn't handle INF or NAN, therefore it
 719         only applies when -ffinite-math-only is given.
 720
 721 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
 722
 723         PR libstdc++/34680
 724         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
 725         * doc/cpp.texi ([Common Predefined Macros]): Document.
 726
 727 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
 728
 729         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
 730         order to use commutative addition instead of subtraction.
 731
 732 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 733             Mircea Namolaru  <namolaru@il.ibm.com>
 734             Vladimir Yanovsky  <yanov@il.ibm.com>
 735             Revital Eres  <eres@il.ibm.com>
 736
 737         PR tree-optimization/34263
 738         * tree-outof-ssa.c (process_single_block_loop_latch,
 739         contains_tree_r): New functions.
 740         (analyze_edges_for_bb): Call process_single_block_loop_latch
 741         function to empty single-basic-block latch block if possible.
 742
 743 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 744
 745         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 746         for TARGET_RECIP.
 747         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
 748
 749 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 750
 751         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
 752
 753 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 754
 755         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
 756
 757 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
 758
 759         PR tree-optimization/34618
 760         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
 761         flag from T.
 762
 763 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 764
 765         PR target/34673
 766         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
 767         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
 768         Update copyright year.
 769
 770         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
 771         Update copyright year.
 772         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
 773         using NR fixup.
 774
 775 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
 776
 777         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
 778         edge does not point to current bb before changing need_assert.
 779
 780 2008-01-04  Richard Guenther  <rguenther@suse.de>
 781
 782         PR middle-end/34029
 783         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
 784         for verifying purposes if they are is_gimple_min_invariant.
 785
 786 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
 787
 788         PR tree-optimization/34448
 789         PR tree-optimization/34465
 790         * gimplify.c (gimplify_init_constructor): Add new parameter
 791         notify_temp_creation.  Use it.
 792         (gimplify_modify_expr_rhs): Take volatiles into account when
 793         optimizing constructors.
 794         Do not optimize constructors if gimplify_init_constructor will dump to
 795         memory.
 796         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
 797         * gcc.c-torture/compile/pr34448.c: New.
 798
 799 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
 800
 801         PR gcov-profile/34609
 802         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
 803         return_slot if result is TREE_ADDRESSABLE.
 804
 805 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
 806
 807         * config/mips/mips.md (sqrt_condition): Tweak comment.
 808         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
 809
 810 2008-01-03  Tom Tromey  <tromey@redhat.com>
 811
 812         PR c/34457
 813         * c-common.c (c_type_hash): Handle VLAs.
 814
 815 2008-01-03  Jan Hubicka  <jh@suse.cz>
 816
 817         PR tree-optimization/31081
 818         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
 819         0 when inlining and not inlining to first basic block.
 820         (remap_decl): When var is initialized to 0, don't set default_def.
 821         (expand_call_inline): Set entry_bb.
 822         * tree-inline.h (copy_body_data): Add entry_bb.
 823
 824 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 825
 826         PR c++/34619
 827         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
 828         before returning.
 829
 830         PR tree-optimization/29484
 831         * tree-inline.c (inline_forbidden_p_2): New function.
 832         (inline_forbidden_p): Disallow inlining if some static var
 833         has an address of a local LABEL_DECL in its initializer.
 834         * doc/extend.texi (Labels as Values): Document &&foo behaviour
 835         vs. inlining.
 836
 837 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
 838
 839         PR tree-optimization/34635
 840         * tree-data-ref.c (add_other_self_distances): Make sure that the
 841         evolution step is constant.
 842
 843 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 844
 845         PR middle-end/34608
 846         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
 847
 848 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 849
 850         * tree-sra.c (scalarize_init): Insert the generate_element_init
 851         statements after the generate_element_zero statements.
 852
 853 2008-01-02  Richard Guenther  <rguenther@suse.de>
 854
 855         PR middle-end/34093
 856         PR middle-end/31976
 857         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
 858         for very large number of operands instead of ICEing.
 859
 860 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
 861
 862         PR target/34013
 863         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
 864         while stack probing.
 865
 866 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
 867
 868         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
 869         in C++0x mode.
 870
 871 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 872
 873         PR libmudflap/26442
 874         * tree-mudflap.c (mx_register_decls): Guard warning by
 875         !DECL_ARTIFICIAL check.
 876
 877 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 878
 879         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
 880         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
 881         sse5_perm<mode>): Fix constraints.