gcc/ChangeLog

   1 2008-01-22  Bernd Schmidt  <bernd.schmidt@analog.com>
   2
   3         From  Michael Frysinger  <michael.frysinger@analog.com>
   4         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
   5         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
   6
   7         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
   8         for bf547, bf523, bf524, and bf526.
   9         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
  10         bf526.
  11         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
  12         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
  13         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
  14         __ADSPBF547__ and __ADSPBF54x__ for bf547.
  15         * doc/invoke.texi (Blackfin Options): Document that
  16         -mcpu now accept bf547, bf523, bf524, and bf526.
  17
  18 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
  19
  20         PR rtl-optimization/34628
  21         * combine.c (try_combine): Stop and undo after the first combination
  22         if an autoincrement side-effect on the first insn has effectively
  23         been lost.
  24
  25 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
  26
  27         PR target/34529
  28         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
  29         Offset addresses are not valid for Altivec or paired float modes.
  30
  31 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
  32
  33         PR c++/34607
  34         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
  35         if DECL_INITIAL (decl) is error_mark_node.
  36
  37         PR c++/34914
  38         * c-common.c (handle_vector_size_attribute): Only allow
  39         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
  40         the same way as pointer, array etc. types.
  41         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
  42
  43         PR c++/34917
  44         * tree.c (build_type_attribute_qual_variant): Call
  45         build_qualified_type if attributes are equal, but quals are not.
  46
  47 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  48
  49         PR 32102
  50         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
  51         * flags.h (warn_strict_aliasing): Remove.
  52         (warn_strict_overflow): Remove.
  53         * opts.c (warn_strict_aliasing): Remove.
  54         (warn_strict_overflow): Remove.
  55         * c-opts.c (c_common_handle_option): -Wall only sets
  56         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
  57         (c_common_post_options): Give default values to -Wstrict-aliasing
  58         and -Wstrict-overflow if they are uninitialized.
  59         * common.opt (Wstrict-aliasing): Specify Var and Init.
  60         (Wstrict-overflow): Likewise.
  61
  62 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
  63
  64         PR rtl-optimization/26854
  65         PR rtl-optimization/34400
  66         PR rtl-optimization/34884
  67         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
  68         DF_RD->gen.
  69         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
  70         (df_rd_bb_info.expanded_lr_out): Deleted
  71         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
  72         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
  73         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
  74         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
  75         Removed code to allocate, initialize or free expanded_lr_out.
  76         (df_rd_bb_local_compute_process_def): Restructured to make more
  77         understandable.
  78         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
  79         sets if the sets are being trimmed.
  80
  81 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  82
  83         PR bootstrap/32287
  84         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
  85         (as_vers): Likewise.
  86         * configure: Regenerated.
  87
  88 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  89
  90         PR middle-end/33092
  91         * tree-pass.h (pass_build_alias): New pass.
  92         * tree-ssa-alias.c (gate_build_alias): New.
  93         (pass_build_alias): New.
  94         * passes.c (init_optimization_passes): Add pass_build_alias after
  95         pass_create_structure_vars.
  96
  97 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
  98
  99         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
 100         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
 101         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
 102         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
 103         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
 104         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
 105         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
 106         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
 107         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
 108         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
 109         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
 110         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
 111         * config/s390/s390.md (FP_ALL): New mode iterator.
 112         (_d): New mode attribute.
 113         ("*signbit<mode>2>"): Changed mode of first operand.
 114         ("isinf<mode>2"): Changed mode of first operand.
 115         ("*TDC_insn"): Adaptation for DFP modes.
 116
 117 2008-01-22  Ben Elliston  <bje@au.ibm.com>
 118
 119         * tree.c (check_qualified_type): Improve function description.
 120
 121 2008-01-21  Jason Merrill  <jason@redhat.com>
 122
 123         PR c++/34196
 124         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
 125         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
 126         if it is set.
 127
 128 2008-01-21  DJ Delorie  <dj@redhat.com>
 129
 130         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
 131         return zero.
 132
 133 2008-01-21  Richard Guenther  <rguenther@suse.de>
 134
 135         PR middle-end/34856
 136         * tree-cfg.c (verify_expr): Allow all invariant expressions
 137         instead of just constant class ones as reference argument.
 138         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
 139         like any other constant.
 140         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
 141
 142 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
 143
 144         * regmove.c (fixup_match_1): Update call crossed frequencies.
 145
 146 2008-01-21  Richard Guenther  <rguenther@suse.de>
 147
 148         PR c/34885
 149         * tree-inline.c (setup_one_parameter): Deal with mismatched
 150         types using a VIEW_CONVERT_EXPR.
 151
 152 2008-01-21  Alon Dayan  <alond@il.ibm.com>
 153             Olga Golovanevsky  <olga@il.ibm.com>
 154
 155         PR tree-optimization/34701
 156         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
 157         when the structure size is not a power of 2.
 158
 159 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
 160
 161         * doc/install.texi: Add doc for --enable-checking=df.
 162
 163 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 164
 165         PR rtl-optimization/34808
 166         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
 167
 168 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 169
 170         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
 171         input.
 172
 173 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
 174
 175         PR rtl-optimization/26854
 176         PR rtl-optimization/34400
 177         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
 178         DF_RD->gen.
 179         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
 180         (df_rd_bb_info.expanded_lr_out): New.
 181         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
 182         * loop_iv.c (iv_analysis_loop_init): Ditto.
 183         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
 184         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
 185         Added code to allocate, initialize or free expanded_lr_out.
 186         (df_rd_bb_local_compute_process_def): Restructured to make
 187         more understandable.
 188         (df_rd_confluence_n): Add code to do nothing with fake edges and
 189         code to no apply invalidate_by_call sets if the sets are being trimmed.
 190         (df_lr_local_finalize): Renamed to df_lr_finalize.
 191         (df_live_local_finalize): Renamed to df_live_finalize.
 192
 193 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 194
 195         PR target/34831
 196         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
 197         deciding whether to use reciprocal instructions.
 198
 199 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
 200
 201         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
 202         dwarf2out_note_section_used if cold_text_section is NULL.
 203
 204 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
 205
 206         PR gcov-profile/34610
 207         * tree-cfg.c (make_edges): Mark both outgoing edges from
 208         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
 209         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
 210         from OMP_FOR and OMP_CONTINUE outgoing edges.
 211
 212         * tree-profile.c (tree_profiling): Return early if
 213         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
 214         at the end.
 215         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
 216         from cfun to child_cfun.
 217         * function.h (struct function): Add after_tree_profile bit.
 218
 219 2008-01-19 Anatoly Sokolov <aesok@post.ru>
 220
 221         * config/avr/avr.S (_exit): Disable interrupt.
 222
 223 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
 224             Steven Bosscher  <stevenb.gcc@gmail.com>
 225
 226         PR rtl-optimization/26854
 227         PR rtl-optimization/34400
 228         * df-problems.c (df_live_scratch): New scratch bitmap.
 229         (df_live_alloc): Allocate df_live_scratch when doing df_live.
 230         (df_live_reset): Clear the proper bitmaps.
 231         (df_live_bb_local_compute): Only process the artificial defs once
 232         since the order is not important.
 233         (df_live_init): Init the df_live sets only with the variables
 234         found live by df_lr.
 235         (df_live_transfer_function): Use the df_lr sets to prune the
 236         df_live sets as they are being computed.
 237         (df_live_free): Free df_live_scratch.
 238
 239 2008-01-18  Ian Lance Taylor  <iant@google.com>
 240
 241         * common.opt: Add fmerge-debug-strings.
 242         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
 243         flag_merge_debug_strings rather than flag_merge_constants.
 244         * doc/invoke.texi (Option Summary): Mention
 245         -fmerge-debug-strings.
 246         (Debugging Options): Document -fmerge-debug-strings.
 247
 248 2008-01-18  Ian Lance Taylor  <iant@google.com>
 249
 250         PR c++/33407
 251         * tree.h (DECL_IS_OPERATOR_NEW): Define.
 252         (struct tree_function_decl): Add new field operator_new_flag.
 253         * tree-inline.c (expand_call_inline): When inlining a call to
 254         operator new, force the return value to go into a variable, and
 255         set DECL_NO_TBAA_P on that variable.
 256         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
 257
 258 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 259
 260         PR debug/34484
 261         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 262         DWARF2_DEBUGGING_INFO.
 263         (dwarf2out_note_section_used): Ditto.  Add prototype.
 264         (have_multiple_function_sections, text_section_used,
 265         cold_text_section_used, *cold_text_sections): Move declarations
 266         before their uses.
 267
 268 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
 269
 270         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 271         field and add signal_ra.
 272         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 273         assignments to frame state pc.  Move end of stack check after
 274         MD_FALLBACK_FRAME_STATE_FOR.
 275         (uw_update_context_1): Use frame state signal_regs if set, instead
 276         of checking signal_frame flag.
 277         (uw_update_context): Use frame state signal_ra if set.
 278         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 279         * config/xtensa/linux-unwind.h: New file.
 280
 281 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 282
 283         * modulo-sched.c (get_sched_window): Fix comment typo.
 284
 285 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 286
 287         PR tree-optimization/34648
 288         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 289
 290 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 291
 292         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 293         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 294
 295 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 296
 297         PR rtl-optimization/34400
 298         * df-core.c (df_worklist_dataflow_overeager,
 299         df_worklist_dataflow_doublequeue): New functions.
 300         (df_worklist_dataflow): Two different worklist solvers.
 301         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 302         New param.
 303
 304 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 305
 306         PR testsuite/34821
 307         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 308         and ftree-parallelize-loops.
 309
 310 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 311
 312         PR rtl-optimization/34826
 313         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 314
 315 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 316
 317         * global.c (find_reg): Mark the eh regs as used if necessary.
 318         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 319         * ra.h (struct allocno): no_eh_reg field added.  Changed
 320         no_stack_reg type to bitfield.
 321
 322 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 323
 324         * tree.c (substitute_in_expr): Add missing 'break'.
 325
 326 2008-01-17  Richard Guenther  <rguenther@suse.de>
 327
 328         PR tree-optimization/34825
 329         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 330         x / x as division to handle.
 331
 332 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 333
 334         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 335         "-pthread" is specified.
 336         * pa-hpux11.h (LIB_SPEC): Likewise.
 337
 338 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 339             Peter Bergner  <bergner@vnet.ibm.com>
 340
 341         PR rtl-optimization/33796
 342         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 343
 344 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 345
 346         PR libgfortran/34699
 347         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 348         static links.
 349         * pa-hpux10.h (LINK_SPEC): Likewise.
 350         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 351
 352 2008-01-16  Richard Guenther  <rguenther@suse.de>
 353
 354         PR middle-end/32628
 355         * fold-const.c (fold_convert_const_int_from_int): Do not
 356         set overflow if that occured only because of a sign extension
 357         change when converting from/to a sizetype with the same
 358         precision and signedness.
 359
 360 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 361
 362         PR debug/34249
 363         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 364         location address to the correct place.  Update copyright year.
 365
 366 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 367
 368         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 369         no dependences in the dependence_relations vector.
 370
 371 2008-01-16  Jan Hubicka  <jh@suse.cz>
 372
 373         PR rtl-optimization/31396
 374         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 375         * cfg.c (dump_reg_info): Print it.
 376         * regs.h (struct reg_info_t): add freq_calls_crossed.
 377         (REG_FREQ_CALLS_CROSSED): New macro.
 378         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 379         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 380         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 381         regmove_optimize): Update call crossed frequencies.
 382         * local-alloc.c (struct qty): Add freq_calls_crossed.
 383         (alloc_qty): Copute freq_calls_crossed.
 384         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 385         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 386         * ra.h (struct allocno): Add freq_calls_crossed.
 387
 388 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 391         libgomp when compiling with ftree-parallelize-loops.
 392         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 393
 394 2008-01-16  Richard Guenther  <rguenther@suse.de>
 395
 396         PR tree-optimization/34769
 397         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 398         * tree.c (int_cst_value): Instead make this function more
 399         permissive in what it accepts as valid input.  Document this
 400         function always sign-extends the value.
 401
 402 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 403             Richard Guenther  <rguenther@suse.de>
 404
 405         PR c/34668
 406         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 407         (gimple_fold_indirect_ref_rhs): ... this.
 408         (gimple_fold_indirect_ref): New function with foldings
 409         that preserve lvalueness.
 410         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 411         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 412         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 413         to fold an INDIRECT_REF, fall back to the old use of
 414         fold_indirect_ref_1.
 415
 416 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 417
 418         * tree-data-ref.c (subscript_dependence_tester_1): Call
 419         free_conflict_function.
 420         (compute_self_dependence): Same.
 421
 422 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 423
 424         PR debug/34249
 425         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 426         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 427         function global.
 428         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 429         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 430         for DWARF2_UNWIND_INFO targets.
 431
 432 2008-01-16  Richard Guenther  <rguenther@suse.de>
 433
 434         PR c/34768
 435         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 436         type qualifiers for function types.
 437
 438 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 439
 440         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 441         loop_iterator li from previous commit.
 442
 443 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 446
 447 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 448
 449         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 450         (parallelize_loops): Don't parallelize irreducible components.
 451
 452 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 453
 454         PR c++/24924
 455         * c-opts (c_common_post_options): Do not enable CPP
 456         flag_pedantic_errors by default.
 457
 458 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 459
 460         PR rtl-optimization/31944
 461         * cse.c (remove_pseudo_from_table): New function.
 462         (merge_equiv_classes): Use above function to remove pseudo-registers.
 463         (invalidate): Likewise.
 464
 465 2008-01-13  Richard Guenther  <rguenther@suse.de>
 466
 467         PR middle-end/34601
 468         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 469         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 470
 471 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 472
 473         * gcse.c (cprop_jump): Call validate_unshare_change instead of
 474         validate_change to unshare the source of the PC set.
 475
 476 2008-01-12  Jan Hubicka  <jh@suse.cz>
 477
 478         PR middle-end/32135
 479         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
 480         references above array bounds.  This might trigger bounds checks for
 481         pointers to arrays.
 482
 483 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 484
 485         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
 486         new_replaceable_dependencies.
 487
 488 2008-01-12  Doug Kwan  <dougkwan@google.com>
 489
 490         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
 491         instead of OPT_Wreturn_type in warning due to ignored return type
 492         qualifiers.
 493         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
 494         options included in -Wextra.
 495         * c.opt: New option -Wignored_qualifiers.
 496         * doc/invoke.texi (Warning Options, -Wextra): Add new option
 497         -Wignore_qualifiers.
 498         (-Wignored-qualifiers): Document.
 499         (-Wreturn-type): Remove description of functionality now handled
 500         by -Wignored-qualifiers.
 501
 502 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
 503
 504         PR ada/33788
 505         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
 506         NOP_EXPR if it is between integral types with the same precision.
 507
 508 2008-01-12  Jan Hubicka  <jh@suse.cz>
 509
 510         PR other/28023
 511         * invoke.texi (max-inline-recursive-depth): Fix default value.
 512
 513 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
 514
 515         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
 516         correct type.
 517
 518 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
 519
 520         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
 521
 522 2008-01-11  James E. Wilson  <wilson@specifix.com>
 523
 524         PR target/26015
 525         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 526
 527 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 528
 529         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 530         save/restore frame pointer register and don't use 'call-prologues'
 531         optimization in function with "OS_task" attribute.
 532
 533 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 534
 535         PR middle-end/31309
 536         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 537         when copying to memory.
 538
 539 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 540
 541         PR rtl-optimization/30905
 542         * cfgcleanup.c: Include dce.h
 543         (crossjumps_occured): New global variable.
 544         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 545         If something changed, set crossjumps_occured to true.
 546         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 547         Don't add/remove fake edges to exit here...
 548         (cleanup_cfg): ...but do it here, when crossjumping.
 549         Run a fast DCE when successful crossjumps occured in the latest
 550         iteration of try_optimize_cfg.
 551
 552 2008-01-11  Richard Guenther  <rguenther@suse.de>
 553
 554         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 555         (struct vn_unary_op_s): Likewise.
 556         (vn_reference_insert): Free old reference on hash collision.
 557
 558 2008-01-10  Raksit Ashok  <raksit@google.com>
 559
 560         PR rtl-optimization/27971
 561         * combine.c (find_split_point): Split PLUS expressions which are
 562         inside a MEM rtx, and whose first operand is complex.
 563
 564 2008-01-10  DJ Delorie  <dj@redhat.com>
 565
 566         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 567         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 568         (m32c_hard_regno_ok): Call the underlying function.
 569
 570 2008-01-10  Richard Guenther  <rguenther@suse.de>
 571
 572         PR middle-end/34683
 573         * tree-cfg.c (tree_merge_blocks): Do not go through the
 574         full-blown folding and stmt updating path if we just deal
 575         with virtual operands.
 576         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 577         test for abnormal SSA_NAMEs.
 578
 579 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 580
 581         PR middle-end/34641
 582         * reload.c (push_reload): Add assertions.  All constants from
 583         reg_equiv_constant should have been used for replacing the respective
 584         pseudo earlier.
 585         (find_reloads_address): Invoke find_reloads_address_part for
 586         constant taken from the reg_equiv_constant array.
 587
 588 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 589
 590         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 591         field (valnum) the first in the struct.  Replace bools with
 592         unit bit fields.
 593
 594 2008-01-10  Richard Guenther  <rguenther@suse.de>
 595
 596         PR tree-optimization/34651
 597         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 598         types and ordering for masking and converting.
 599
 600 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 601
 602         PR tree-optimization/34017
 603         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 604         also for PHI_NODE expressions.
 605
 606 2008-01-09  Jan Hubicka  <jh@suse.cz>
 607
 608         PR tree-optimization/34708
 609         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 610         based on number of case labels.
 611         (init_inline_once): Remove switch_cost.
 612         * tree-inline.h (eni_weights_d): Remove switch_cost.
 613
 614 2008-01-09  Richard Guenther  <rguenther@suse.de>
 615         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 616
 617         PR middle-end/30132
 618         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 619         temporary if an rvalue is ok or an lvalue is not required.
 620
 621 2008-01-09  Richard Guenther  <rguenther@suse.de>
 622
 623         PR middle-end/34458
 624         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 625         adjust return type.
 626
 627 2008-01-09  Richard Guenther  <rguenther@suse.de>
 628
 629         PR middle-end/34679
 630         * tree.c (host_integerp): Check for sizetype only if the
 631         type is an integer type.
 632
 633 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 634
 635         PR debug/26364
 636         * opts.c (decode_options): Disable inlining of functions called
 637         once if not in unit-at-a-time mode.
 638
 639 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 640
 641         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 642
 643 2008-01-08  Richard Guenther  <rguenther@suse.de>
 644
 645         PR middle-end/31863
 646         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 647         out early if the result will be unused.
 648
 649 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 650
 651         PR target/34709
 652         Revert:
 653
 654         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 655         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 656         for TARGET_RECIP.
 657
 658 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
 659
 660         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
 661         for vectorization tuned.
 662
 663 2008-01-08  Richard Guenther  <rguenther@suse.de>
 664
 665         PR tree-optimization/34683
 666         * tree-ssa-operands.c (operand_build_cmp): Export.
 667         * tree-ssa-operands.h (operand_build_cmp): Declare.
 668         * tree-vn.c (vuses_compare): Remove.
 669         (sort_vuses): Use operand_build_cmp.
 670         (sort_vuses_heap): Likewise.
 671         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
 672         to re-use old VEC if available.  Do not sort already sorted VUSEs.
 673         (vdefs_to_vec): Do not sort already sorted VDEFs.
 674
 675 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 676
 677         PR middle-end/34694
 678         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
 679
 680 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 681
 682         PR target/34702
 683         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
 684         limitations of reciprocal sequences on x86 targets.
 685
 686 2008-01-08  Richard Guenther  <rguenther@suse.de>
 687
 688         PR tree-optimization/34683
 689         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
 690
 691 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
 692
 693         PR target/34622
 694         * config/darwin.c (darwin_mergeable_string_section): Don't use
 695         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
 696
 697 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
 698
 699         PR target/34682
 700         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
 701         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
 702         predicates of op0 and op1 to register_operand.
 703         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
 704         expander using X87MODEF mode iterator.  Change predicates of
 705         op0 and op1 to register_operand.
 706         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
 707         corresponding patterns and macroize using MODEF macro.  Change
 708         predicates of op0 and op1 to register_operand and remove
 709         "m" constraint. Disparage "r" alternative with "!".
 710         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
 711         macroize using X87MODEF macro.  Change predicates of op0 and op1
 712         to register_operand and remove "m" constraint.  Disparage "r"
 713         alternative with "!".
 714         (absneg splitter with memory operands): Remove.
 715         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
 716         patterns and macroize using X87MODEF mode iterator.
 717         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
 718         Change predicate of op1 to register_operand.
 719         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
 720         for memory operands.
 721
 722 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
 723
 724         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
 725
 726 2008-01-07  Richard Guenther  <rguenther@suse.de>
 727
 728         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
 729         fields.
 730
 731 2008-01-07  Richard Guenther  <rguenther@suse.de>
 732
 733         PR tree-optimization/34683
 734         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
 735         VOPs of the needed size to save memory.  Use VEC_quick_push
 736         to save compile-time.
 737         (vdefs_to_vec): Likewise.
 738
 739 2008-01-07  Sa Liu  <saliu@de.ibm.com>
 740
 741         * config/spu/spu.md (divdf3): Genetate inline code for double
 742         division.  The implementation doesn't handle INF or NAN, therefore it
 743         only applies when -ffinite-math-only is given.
 744
 745 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
 746
 747         PR libstdc++/34680
 748         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
 749         * doc/cpp.texi ([Common Predefined Macros]): Document.
 750
 751 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
 752
 753         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
 754         order to use commutative addition instead of subtraction.
 755
 756 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 757             Mircea Namolaru  <namolaru@il.ibm.com>
 758             Vladimir Yanovsky  <yanov@il.ibm.com>
 759             Revital Eres  <eres@il.ibm.com>
 760
 761         PR tree-optimization/34263
 762         * tree-outof-ssa.c (process_single_block_loop_latch,
 763         contains_tree_r): New functions.
 764         (analyze_edges_for_bb): Call process_single_block_loop_latch
 765         function to empty single-basic-block latch block if possible.
 766
 767 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 768
 769         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 770         for TARGET_RECIP.
 771         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
 772
 773 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 774
 775         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
 776
 777 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 778
 779         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
 780
 781 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
 782
 783         PR tree-optimization/34618
 784         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
 785         flag from T.
 786
 787 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 788
 789         PR target/34673
 790         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
 791         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
 792         Update copyright year.
 793
 794         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
 795         Update copyright year.
 796         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
 797         using NR fixup.
 798
 799 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
 800
 801         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
 802         edge does not point to current bb before changing need_assert.
 803
 804 2008-01-04  Richard Guenther  <rguenther@suse.de>
 805
 806         PR middle-end/34029
 807         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
 808         for verifying purposes if they are is_gimple_min_invariant.
 809
 810 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
 811
 812         PR tree-optimization/34448
 813         PR tree-optimization/34465
 814         * gimplify.c (gimplify_init_constructor): Add new parameter
 815         notify_temp_creation.  Use it.
 816         (gimplify_modify_expr_rhs): Take volatiles into account when
 817         optimizing constructors.
 818         Do not optimize constructors if gimplify_init_constructor will dump to
 819         memory.
 820         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
 821         * gcc.c-torture/compile/pr34448.c: New.
 822
 823 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
 824
 825         PR gcov-profile/34609
 826         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
 827         return_slot if result is TREE_ADDRESSABLE.
 828
 829 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
 830
 831         * config/mips/mips.md (sqrt_condition): Tweak comment.
 832         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
 833
 834 2008-01-03  Tom Tromey  <tromey@redhat.com>
 835
 836         PR c/34457
 837         * c-common.c (c_type_hash): Handle VLAs.
 838
 839 2008-01-03  Jan Hubicka  <jh@suse.cz>
 840
 841         PR tree-optimization/31081
 842         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
 843         0 when inlining and not inlining to first basic block.
 844         (remap_decl): When var is initialized to 0, don't set default_def.
 845         (expand_call_inline): Set entry_bb.
 846         * tree-inline.h (copy_body_data): Add entry_bb.
 847
 848 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 849
 850         PR c++/34619
 851         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
 852         before returning.
 853
 854         PR tree-optimization/29484
 855         * tree-inline.c (inline_forbidden_p_2): New function.
 856         (inline_forbidden_p): Disallow inlining if some static var
 857         has an address of a local LABEL_DECL in its initializer.
 858         * doc/extend.texi (Labels as Values): Document &&foo behaviour
 859         vs. inlining.
 860
 861 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         PR tree-optimization/34635
 864         * tree-data-ref.c (add_other_self_distances): Make sure that the
 865         evolution step is constant.
 866
 867 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 868
 869         PR middle-end/34608
 870         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
 871
 872 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 873
 874         * tree-sra.c (scalarize_init): Insert the generate_element_init
 875         statements after the generate_element_zero statements.
 876
 877 2008-01-02  Richard Guenther  <rguenther@suse.de>
 878
 879         PR middle-end/34093
 880         PR middle-end/31976
 881         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
 882         for very large number of operands instead of ICEing.
 883
 884 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
 885
 886         PR target/34013
 887         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
 888         while stack probing.
 889
 890 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
 891
 892         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
 893         in C++0x mode.
 894
 895 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 896
 897         PR libmudflap/26442
 898         * tree-mudflap.c (mx_register_decls): Guard warning by
 899         !DECL_ARTIFICIAL check.
 900
 901 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 902
 903         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
 904         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
 905         sse5_perm<mode>): Fix constraints.