gcc/ChangeLog

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