gcc/ChangeLog

   1 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR inline-asm/39059
   4         * c-parser.c (c_parser_postfix_expression): If fixed point is not
   5         supported, don't accept FIXED_CSTs.
   6         * c-decl.c (finish_declspecs): Error if fixed point is not supported
   7         and _Sat is used without _Fract/_Accum.  Set specs->type to
   8         integer_type_node for cts_fract/cts_accum if fixed point is not
   9         supported.
  10
  11 2009-02-02  Catherine Moore  <clm@codesourcery.com>
  12
  13         * sde.h (SUBTARGET_ARM_SPEC): Don;t assemble -fpic code as
  14         -mabicalls.
  15
  16 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
  17
  18         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
  19         (ABI_HAS_64BIT_SYMBOLS): Use it.
  20         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
  21
  22 2009-02-02  Paul Brook  <paul@codesourcery.com>
  23
  24         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
  25
  26 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
  27
  28         PR inline-asm/39058
  29         * recog.h (asm_operand_ok): Add constraints argument.
  30         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
  31         recurse on matching constraint.
  32         (check_asm_operands): Pass constraints as 3rd argument to
  33         asm_operand_ok.  Don't look up matching constraint here.
  34         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
  35         to asm_operand_ok.
  36
  37 2009-02-02  Ben Elliston  <bje@au.ibm.com>
  38
  39         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
  40         TARGET_NARROW_VOLATILE_BITFIELD macro names.
  41
  42 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  43
  44         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
  45         information.  Remove some obsolete information.  Reorganize.
  46
  47         * config/pa/fptr.c: Revert license to GPL 2.
  48         * config/pa/milli64.S: Likewise.
  49
  50 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
  51
  52         PR target/38904
  53         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
  54         LIBRARY name in, instead of hard-coding it.
  55         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
  56         extra target make frag to tmake_files according to EH model.
  57         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
  58         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
  59         frags that define makefile variable EH_MODEL appropriately.
  60         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
  61         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
  62         to "-sjlj" according to type of EH configured.
  63         (LIBGCC_SONAME):  Concatenate it to shared library base name.
  64         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
  65         to "_sjlj" according to type of EH configured.
  66         (LIBGCC_SONAME):  Concatenate it to shared library base name.
  67         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
  68         (SHLIB_LINK):  Add missing semicolon to if-else construct.
  69         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
  70         string value of "pe_dll" command-line option.
  71         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
  72         (SHLIB_SONAME):  Use it when overriding t-cygming default.
  73         (SHLIB_IMPLIB):  Override t-cygming default.
  74         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
  75         string value of "pe_dll" command-line option.
  76
  77 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
  78
  79         PR target/38952
  80         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
  81         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point
  82         at it.
  83
  84 2009-01-31  Richard Guenther  <rguenther@suse.de>
  85
  86         PR tree-optimization/38937
  87         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
  88         computing the transitive closure.
  89
  90 2009-01-30  Richard Guenther  <rguenther@suse.de>
  91
  92         PR tree-optimization/39041
  93         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
  94         Propagate variable indices only if the types match for this stmt.
  95
  96 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
  97
  98         PR target/39013
  99         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
 100         inline but never defined.
 101
 102 2009-01-30  Wolfgang Gellerich  <gellerich@de,ibm.com>
 103
 104         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
 105         (*insv_h_di_reg_extimm): New insn.
 106         (*insv_l<mode>_reg_extimm): New insn.
 107
 108 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
 109
 110         * config/picochip/picochip.c (flag_conserve_stack): set
 111         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
 112         fconserve-stack. Reduce call-overhead used by inliner.
 113
 114 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
 115
 116         PR/38157
 117         * common.opt (flag_conserve_stack): Initialised to zero.
 118
 119 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
 120
 121         PR/39002
 122         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
 123         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
 124         method.
 125
 126 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
 127
 128         * ira-color.c (allocno_reload_assign): Update comments.
 129         * regmove.c (regmove_optimize): Likewise.
 130
 131         * ra.h: Removed.
 132
 133 2009-01-29  Robert Millan  <rmh@aybabtu.com>
 134
 135         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
 136         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
 137         `MD_UNWIND_SUPPORT'.
 138         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
 139
 140 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
 141
 142         PR tree-optimization/39007
 143         * tree-loop-distribution.c (generate_builtin): Use
 144         recompute_dominator to compute the immediate dominator of the
 145         basic block just after the loop.
 146
 147 2008-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 148
 149         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
 150         (ASM_OUTPUT_DWARF_PCREL): Define.
 151
 152 2008-01-29  Vladimir Makarov  <vmakarov@redhat.com>
 153
 154         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
 155         * doc/passes.texi: Remove entries about regclass, local-alloc, and
 156         global.  Modify entries about regmove and IRA.
 157
 158         * ra-conflict.c: Remove the file.
 159
 160         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
 161
 162         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
 163         (pass_regclass_init): Rename to pass_reginfo_init.
 164
 165         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
 166
 167         * toplev.h (flag_ira): Remove.
 168
 169         * caller-save.c (setup_save_areas): Remove flag_ira.
 170
 171         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
 172         Ditto.
 173
 174         * global.c: Remove the file.
 175
 176         * opts.c: (decode_options): Remove flag_ira.
 177
 178         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
 179
 180         * regmove.c: Modify file description.
 181         (find_use_as_address, try_auto_increment): Define them only if
 182         AUTO_INC_DEC is defined.
 183         (replacement_quality, replace_in_call_usage, fixup_match_1,
 184         stable_and_no_regs_but_for_p): Remove.
 185         (reg_set_in_bb): Make it static.
 186         (regmove_optimize): Remove flag_ira and code which worked for
 187         !flag_ira.
 188
 189         * local-alloc.c: Remove the file.
 190
 191         * common.opt (fira): Remove.
 192
 193         * ira.c: Include except.h.
 194         (eliminable_regset): Move from global.c.
 195         (mark_elimination): Ditto.  Remove flag_ira.
 196         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
 197         equiv_mem_modified, validate_equiv_mem_from_store,
 198         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
 199         contains_replace_regs, memref_referenced_p, memref_used_between_p,
 200         no_equiv, recorded_label_ref): Move from local-alloc.c.
 201         (update_equiv_regs): Ditto.  Make it static.
 202         (print_insn_chain, print_insn_chains): Move it from global.c.
 203         pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
 204         (build_insn_chain): Ditto.  Make it static.
 205         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
 206         Rename to init_live_subregs.
 207         (gate_ira): Remove flag_ira.
 208
 209         * regclass.c: Rename reginfo.c.  Change file description.
 210         (FORBIDDEN_INC_DEC_CLASSES): Remove.
 211         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
 212         Remove.
 213         (init_reg_sets_1): Remove code for evaluation of
 214         reg_class_superclasses and losing_caller_save_reg_set.
 215         (init_regs): Remove init_reg_autoinc.
 216         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
 217         ok_for_base_p_nonstrict): Remove.
 218         (regclass_init): Rename to reginfo_init.  Don't initialize
 219         init_cost.
 220         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
 221         corresponding entries.
 222         (dump_regclass, record_operand_costs, scan_one_insn,
 223         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
 224         record_address_regs, auto_inc_dec_reg_p): Remove.
 225         (gt-regclass.h): Rename to gt-reginfo.h.
 226
 227         * rtl.h (dump_global_regs, retry_global_alloc,
 228         build_insn_chain, dump_local_alloc, update_equiv_regs):
 229         Remove.
 230
 231         * Makefile.in (RA_H): Remove.
 232         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
 233         Rename regclass.o to reginfo.o.
 234         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
 235         gt-reginfo.h.
 236         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
 237         (GTFILES): Rename regclass.c to reginfo.c.
 238
 239         * passes.c (init_optimization_passes): Remove pass_local_alloc and
 240         pass_global_alloc.  Rename pass_regclass_init to
 241         pass_reginfo_init.
 242
 243         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
 244         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
 245         Remove flag_ira.
 246         (finish_spills): Ditto.  Remove code for !flga_ira.
 247
 248 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
 249
 250         PR middle-end/35854
 251         * doc/invoke.texi (rtl debug options): Complete rewrite.
 252         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
 253         to auto_inc_dec".
 254         * mode-switching.c (pass_mode_switching): Rename pass from
 255         "mode-sw" to "mode_sw".
 256         * except.c (pass_convert_to_eh_ranges): Rename pass from
 257         "eh-ranges" to "eh_ranges".
 258         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
 259         to "subreg1".
 260
 261
 262 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
 263             Alexander Monakov  <amonakov@ispras.ru>
 264
 265         PR middle-end/38857
 266         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
 267         register.
 268         (move_exprs_to_boundary): Change return type and pass through
 269         should_move from move_op.  Relax assert.  Update usage ...
 270         (schedule_expr_on_boundary): ... here.  Use should_move instead of
 271         cant_move.
 272         (move_op_orig_expr_found): Indicate that insn was disconnected from
 273         stream.
 274         (code_motion_process_successors): Do not call after_merge_succs
 275         callback if original expression was not found when traversing any of
 276         the branches.
 277         (code_motion_path_driver): Change return type.  Update prototype.
 278         (move_op): Update comment.  Add a new parameter (should_move).  Update
 279         prototype.  Set *should_move based on indication provided by
 280         move_op_orig_expr_found.
 281
 282 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
 283
 284         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
 285         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
 286         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
 287         * config/rs6000/rs6000.c (rs6000_override_options): Default
 288         avoid-indexed-addresses on for Power6, off for everything else.
 289         (avoiding_indexed_address_p): New function.
 290         (rs6000_legitimize_address): Use it.
 291         (rs6000_legitimate_address): Likewise.
 292         * config/rs6000/rs6000.md (movXX_updateX): Likewise
 293
 294 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
 295
 296         PR tree-optimization/38997
 297         * tree-loop-distribution.c (generate_memset_zero): Use
 298         POINTER_PLUS_EXPR for a pointer addition.
 299
 300 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
 301
 302         * config/s390/s390.md (bswap<mode>2): New pattern added.
 303
 304 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
 305
 306         * config/s390/s390.md (*tls_load_31): Added type attribute.
 307
 308 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
 309
 310         * config/s390/s390.md: Fix a few comments.
 311
 312 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
 313
 314         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
 315         (*tm<mode>_full): Fixed z10prop attribute.
 316         (*tst<mode>_extimm): Fixed z10prop attribute.
 317         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
 318         (*tstqiCCT_cconly): Fixed z10prop attribute.
 319         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
 320         (*movsi_larl): Fixed z10prop attribute.
 321         (*movsi_zarch): Fixed z10prop attribute.
 322         (*movsi_eas): Fixed z10prop attribute.
 323         (*movhi): Fixed z10prop attribute.
 324         (*movqi): Fixed z10prop attribute.
 325         (*movstrictqi): Fixed z10prop attribute.
 326         (*mov<mode>): Fixed z10prop attribute.
 327         (*movcc): Fixed z10prop attribute.
 328         (*sethighpartdi_64): Fixed z10prop attribute.
 329         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
 330         (*negdi2_sign_cc): Fixed z10prop attribute.
 331         (*negdi2_sign): Fixed z10prop attribute.
 332         (*absdi2_sign_cc): Fixed z10prop attribute.
 333         (*absdi2_sign): Fixed z10prop attribute.
 334         (*negabsdi2_sign_cc): Fixed z10prop attribute.
 335         (*negabsdi2_sign): Fixed z10prop attribute.
 336         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
 337         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
 338         (doloop_si64): Fixed z10prop attribute.
 339         (doloop_si31): Fixed z10prop attribute.
 340         (doloop_long): Fixed z10prop attribute.
 341         (indirect_jump): Fixed z10prop attribute.
 342         (nop): Fixed z10prop attribute.
 343         (main_base_64): Fixed z10prop attribute.
 344         (reload_base_64): Fixed z10prop attribute.
 345
 346 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
 347
 348         PR rtl-optimization/38740
 349         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
 350         if !optimize.
 351         * config/mips/mips.c (mips_reorg): Likewise.
 352
 353 2009-01-28  Richard Guenther  <rguenther@suse.de>
 354
 355         PR tree-optimization/38926
 356         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
 357         with the correct value id to a value.
 358         (do_regular_insertion): Use the value number of edoubleprime
 359         for the value number of the expr.
 360
 361         Revert
 362         2008-08-21  Richard Guenther  <rguenther@suse.de>
 363
 364         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
 365         a PHI ask VN if it is already available.
 366         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
 367         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
 368
 369 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
 370
 371         PR middle-end/38934
 372         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
 373         set to varying whenever max has TREE_OVERFLOW set, similarly
 374         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
 375
 376 2009-01-28  Richard Guenther  <rguenther@suse.de>
 377
 378         PR middle-end/38908
 379         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
 380         uninitialized aggregate uses in call arguments.
 381
 382 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
 383
 384         PR tree-optimization/38984
 385         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
 386         the nothing_id variable if -fno-delete-null-pointer-checks.
 387
 388 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
 389
 390         PR target/38988
 391         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
 392         (set_got_offset_rex64): Ditto.
 393
 394 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 395
 396         PR target/38941
 397         * doc/extend.texi: Improve local variable with asm reg.
 398
 399 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
 400
 401         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
 402         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
 403         was not supplied then set warn_packed_bitfield_compat to the
 404         default value of 1.
 405         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
 406         against 1.
 407
 408 2009-01-27  Richard Guenther  <rguenther@suse.de>
 409
 410         PR tree-optimization/38503
 411         * cfgexpand.c (expand_gimple_basic_block): Ignore
 412         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
 413         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
 414         variables that cannot have TBAA applied.
 415         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
 416         statements.
 417
 418 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
 419
 420         PR middle-end/38969
 421         * calls.c (initialize_argument_information): Do not wrap complex
 422         arguments in SAVE_EXPR.
 423
 424 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
 425
 426         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
 427         (INSTALL_LIBGCC): Revert typo commit.
 428
 429 2009-01-26  Richard Guenther  <rguenther@suse.de>
 430
 431         PR tree-optimization/38745
 432         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
 433         from special handling.
 434
 435 2009-01-26  Richard Guenther  <rguenther@suse.de>
 436
 437         PR tree-optimization/38745
 438         * tree-ssa.c (execute_update_addresses_taken): Do not include
 439         variables that cannot possibly be a register in not_reg_needs.
 440         Do not clear TREE_ADDRESSABLE on vars that may not become
 441         registers.
 442         * tree-ssa.c (update_alias_info_1): Include those in the set
 443         of addressable vars.
 444
 445 2009-01-26  Richard Guenther  <rguenther@suse.de>
 446
 447         PR middle-end/38851
 448         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
 449         * tree-ssa-dse.c: Include langhooks.h
 450         (execute_simple_dse): Remove stores with zero size.
 451
 452 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
 453
 454         PR c/38957
 455         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
 456         as PLUS_EXPR.
 457
 458 2009-01-24  Julian Brown  <julian@codesourcery.com>
 459
 460         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
 461         config/arm/linux-atomic.c.
 462         * config/arm/linux-atomic.c: New.
 463
 464 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
 465
 466         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
 467         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
 468         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
 469
 470 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 471
 472         PR c/38938
 473         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
 474         properly.
 475
 476 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         PR tree-optimization/38953
 479         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
 480         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
 481         (gloog): Split the exit of the scop when the scop exit is a loop exit.
 482         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
 483         changed the CFG.
 484
 485 2009-01-24  Paul Brook  <paul@codesourcery.com>
 486
 487         * config/arm/neon.md (neon_type): Move to arm.md.
 488         (neon_mov<VSTRUCT>): Add neon_type attribute.
 489         * config/arm/arm.md (neon_type): Move to here.
 490         (conds): Add "unconditioal" and use as default for NEON insns.
 491
 492 2009-01-24  Ben Elliston  <bje@au.ibm.com>
 493
 494         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
 495         void *' warning from -Wc++-compat.
 496         * Makefile.in (dominance.o-warn): Remove.
 497
 498 2008-01-23  Paolo Bonzini  <bonzini@gnu.org>
 499
 500         PR tree-optimization/38932
 501         * fold-const.c (fold_unary_ignore_overflow): New.
 502         * tree.h (fold_unary_ignore_overflow): Declare.
 503         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
 504         * tree-ssa-sccvn.c (visit_reference_op_load,
 505         simplify_unary_expression): Likewise.
 506
 507 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
 508
 509         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
 510         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
 511         regardless of their type.
 512         * c-common.c (handle_packed_attribute): Don't ignore packed on
 513         bitfields.
 514         * c.opt (Wpacked-bitfield-compat): New warning option.
 515         * stor-layout.c (place_field): Warn if offset of a field changed.
 516         * doc/extend.texi (packed): Mention the ABI change.
 517         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
 518         (Warning Options): Add it to the list.
 519
 520 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 521
 522         * c-opts.c (c_common_post_options): Fix a typo in comments.
 523
 524 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
 525
 526         PR middle-end/38615
 527         * gimplify.c (gimplify_init_constructor): Fix promotion of const
 528         variables to static.
 529         * doc/invoke.texi (-fmerge-all-constants): Update description.
 530
 531 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
 532
 533         PR target/38931
 534         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
 535         (*movdi_1_rex64): Use type "mmx" for alternative 5.
 536
 537 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
 538
 539         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
 540         a word boundary.
 541         (LOCAL_ALIGNMENT): Similarly.
 542
 543 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
 544             Joseph Myers  <joseph@codesourcery.com>
 545
 546         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
 547         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
 548         * config/arm/arm-tune.md: Regenerate.
 549         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
 550         -march=iwmmxt2.
 551
 552 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
 553
 554         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
 555         version number to five.
 556
 557 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
 558
 559         PR c++/38930
 560         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
 561         * c-common.c (set_underlying_type): Likewise.
 562         (is_typedef_decl ): Likewise
 563         * tree.h: Likewise
 564         (set_underlying_type): Likewise.
 565         (is_typedef_type): Likewise.
 566
 567 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
 568
 569         PR middle-end/38587
 570         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
 571         crossing setjmps.
 572
 573 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
 574
 575         PR bootstrap/37660
 576         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
 577         (LIBGCC_SPEC):  Don't define.
 578         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
 579
 580 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
 581
 582         PR rtl-optimization/38879
 583         * alias.c (base_alias_check): Unaligned access via AND address can
 584         alias all surrounding object types except those with sizes equal
 585         or wider than the size of unaligned access.
 586
 587 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
 588
 589         PR c++/26693
 590         * c-decl.c: (clone_underlying_type): Move this ...
 591         * c-common.c (set_underlying_type): ... here.
 592         Also, make sure the function properly sets TYPE_STUB_DECL() on
 593         the newly created typedef variant type.
 594         (is_typedef_decl ): New entry point.
 595         * tree.h: Added a new member member_types_needing_access_check to
 596         struct tree_decl_non_common.
 597         (set_underlying_type): New entry point.
 598         (is_typedef_type): Likewise.
 599
 600 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
 601
 602         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
 603         Check whether two instructions have memory references that
 604         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
 605         are helper functions for traversing.
 606         * alias.h (insn_alias_sets_confilict_p): New prototypes.
 607         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
 608         not to draw dependency edge for instructions with non-conflicting
 609         alias sets.
 610
 611 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
 612
 613         PR other/38758
 614         * longlong.h: Update copyright years.  Use soft-fp license
 615         notice.  Sync __clz_tab declaration with glibc.
 616
 617 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
 618
 619         PR target/30687
 620         * doc/extend.texi (syscall_linkage): New.
 621         (version_id): Modify.
 622
 623 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 624             Richard Guenther  <rguenther@suse.de>
 625
 626         PR tree-optimization/38747
 627         PR tree-optimization/38748
 628         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
 629         conversion if the base address is an indirect reference and the
 630         aliasing sets could cause issues.
 631
 632 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 633
 634         * common.opt (fgraphite, fgraphite-identity): Add comment for
 635         explaining why these options are not documented.
 636
 637 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 638
 639         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
 640         gimple_call_lhs is NULL.
 641
 642 2008-01-20  Paolo Bonzini  <bonzini@gnu.org>
 643
 644         PR target/38868
 645         * emit-rtl.c (adjust_address_1): Make sure memref is never
 646         overwritten.
 647
 648 2009-01-20  Ben Elliston  <bje@au.ibm.com>
 649
 650         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
 651         const qualifier from arg parameter. Remove unnecessary cast to char *.
 652         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
 653         const qualifier from arg 2.
 654
 655 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
 656
 657         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
 658
 659 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 660
 661         PR c/38869
 662         * rtl.h (reinit_regs): New prototype.
 663         * regclass.c: Include ira.h.
 664         (reinit_regs): New.
 665         * Makefile.in (regclass.o): Add ira.h.
 666         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
 667
 668 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
 669
 670         PR target/38736
 671         * c-common.c (handle_aligned_attribute): Use
 672         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
 673         default alignment value.
 674
 675         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
 676
 677         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
 678         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
 679
 680         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
 681         __BIGGEST_ALIGNMENT__.
 682
 683         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
 684
 685 2009-01-18  Richard Guenther  <rguenther@suse.de>
 686
 687         PR tree-optimization/38819
 688         * tree-flow.h (operation_could_trap_helper_p): Declare.
 689         * tree-eh.c (operation_could_trap_helper_p): Export.
 690         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
 691         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
 692         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
 693         are about to insert a possibly trapping instruction and fail
 694         in this case.
 695
 696 2009-01-18  Andreas Schwab  <schwab@suse.de>
 697
 698         * doc/install.texi (Configuration): Remove obsolete paragraph
 699         about use of --with-gnu-ld with --with-gnu-as.
 700
 701 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
 702
 703         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
 704         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
 705         Follow spelling conventions.
 706
 707 2009-01-18  Ben Elliston  <bje@au.ibm.com>
 708
 709         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
 710         C++ warning about implicit conversion from void * to struct
 711         bitmap_head_def *.
 712         (bitmap_obstack_free): Likewise for bitmap_element *.
 713         * Makefile.in (bitmap.o-warn): Remove.
 714
 715 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
 716
 717         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
 718
 719 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 720             Tobias Grosser  <tobi.grosser@amd.com>
 721
 722         * graphite.c (graphite_trans_scop_block): Do not block single
 723         nested loops.
 724
 725 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
 726
 727         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
 728         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
 729         test with assertion.
 730
 731 2009-01-16  Richard Guenther  <rguenther@suse.de>
 732
 733         PR tree-optimization/38835
 734         PR middle-end/36227
 735         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
 736         and INT + PTR -> (INT)(PTR p+ INT) folding.
 737         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
 738
 739 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
 740
 741         PR target/38554
 742         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
 743         the subreg from a lowpart subreg if it is also casting the value.
 744
 745 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 746             Tobias Grosser  <tobi.grosser@amd.com>
 747
 748         * graphite.c (compare_prefix_loops): New.
 749         (build_scop_canonical_schedules): Rewritten.
 750         (graphite_transform_loops): Move build_scop_canonical_schedules
 751         after build_scop_iteration_domain.
 752
 753 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 754             Tobias Grosser  <tobi.grosser@amd.com>
 755
 756         * graphite.c (add_conditions_to_domain): Add the loops to
 757         the dimension of the iteration domain.  Do copy the domain
 758         only when it exists.
 759         (build_scop_conditions_1): Do not call add_conditions_to_domain.
 760         (add_conditions_to_constraints): New.
 761         (can_generate_code_stmt, can_generate_code): Removed.
 762         (gloog): Do not call can_generate_code.
 763         (graphite_transform_loops): Call add_conditions_to_constraints
 764         after building the iteration domain.
 765
 766 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
 767
 768         PR tree-optimization/38789
 769         * tree-ssa-threadedge.c
 770         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
 771         __builtin_constant_p.
 772
 773 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
 774
 775         * dce.c (delete_unmarked_insns): Reversed the order that insns are
 776         examined before deleting them.
 777
 778 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
 779
 780         * function.c (aggregate_value_p): Correctly extract the function
 781         type from CALL_EXPR_FN lookup.
 782
 783 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
 784
 785         * config/picochip/picochip.c (picochip_override_options): Revert
 786         CFI asm flag disable commited previously.
 787
 788 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 789             Tobias Grosser  <tobi.grosser@amd.com>
 790             Jan Sjodin  <jan.sjodin@amd.com>
 791
 792         * graphite.c (scan_tree_for_params): On substractions negate
 793         all the coefficients of the term.
 794         (clast_to_gcc_expression_red): New.  Handle reduction expressions
 795         of more than two operands.
 796         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
 797         (get_vdef_before_scop): Handle also the case of default definitions.
 798
 799 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 800
 801         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
 802         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
 803         Also use them when walking CALL_INSN_FUNCTION_USAGE.
 804
 805 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 806             Joey Ye  <joey.ye@intel.com>
 807
 808         PR middle-end/37843
 809         * cfgexpand.c (expand_stack_alignment): Don't update stack
 810         boundary nor check incoming stack boundary here.
 811         (gimple_expand_cfg): Update stack boundary and check incoming
 812         stack boundary here.
 813
 814 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
 815
 816         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
 817
 818 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
 819
 820         PR rtl-optimization/38245
 821         * calls.c (expand_call): Add stack arguments to
 822         CALL_INSN_FUNCTION_USAGE even for pure calls (when
 823         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
 824         in regs and partially in memory or BLKmode arguments.
 825         (emit_library_call_value_1): Add stack arguments to
 826         CALL_INSN_FUNCTION_USAGE even for pure calls (when
 827         ACCUMULATE_OUTGOING_ARGS).
 828         * dce.c: Include tm_p.h.
 829         (find_call_stack_args): New function.
 830         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
 831         argument.
 832         (mark_insn): Call find_call_stack_args for CALL_Ps.
 833         (prescan_insns_for_dce): Walk insns backwards in bb rather than
 834         forwards.  Allocate and free arg_stores bitmap if needed, pass it
 835         down to deletable_insn_p, don't mark stores set in arg_stores
 836         bitmap, clear the bitmap at the beginning of each bb.
 837         * Makefile.in (dce.o): Depend on $(TM_P_H).
 838
 839 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
 840
 841         PR target/22599
 842         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
 843         to make sure the insn is a conditional test (bug 22599).  Reformat a
 844         few long lines.
 845
 846 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         PR middle-end/38431
 849         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
 850         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
 851         (gloog): Do not call cleanup_tree_cfg.
 852         (graphite_transform_loops): Call cleanup_tree_cfg after all
 853         scops have been code generated.
 854
 855 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
 856         * doc/gty.texi (Invoking the garbage collector): Added new node
 857         and section documenting ggc_collect.
 858
 859 2009-01-14  Richard Guenther  <rguenther@suse.de>
 860
 861         PR tree-optimization/38826
 862         PR middle-end/38477
 863         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
 864         initialization notes only if we actually emitted a warning.
 865         (intra_create_variable_infos): Add constraints for a result decl
 866         that is passed by hidden reference.
 867         (build_pred_graph): Mark all related variables non-direct on
 868         address-taking.
 869
 870 2009-01-14  Nick Clifton  <nickc@redhat.com>
 871
 872         * ira-conflicts.c: Include addresses.h for the definition of
 873         base_reg_class.
 874         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
 875         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
 876
 877 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
 878
 879         PR target/38811
 880         * Makefile.in (ira-lives.o): Add except.h.
 881
 882         * ira-lives.c: Include except.h.
 883         (process_bb_node_lives): Process can_throw_internal.
 884
 885 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
 886
 887         PR rtl-optimization/38774
 888         * combine.c (simplify_set): When undoing cc_use change, don't do
 889         PUT_CODE on the newly created comparison, but instead put back the
 890         old comparison.
 891
 892 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
 893
 894         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
 895         values.  Remove duplicate arm8 entry.
 896
 897 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         PR tree-optimization/38786
 900         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
 901         the SSA_NAME case of expand_scalar_variables_expr.
 902         Set the type of an expression to the type of its assign statement.
 903         (expand_scalar_variables_expr): Also gather the scalar computation
 904         used to index the memory access.  Do not pass loop_p.
 905         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
 906         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
 907         the gimple_stmt_iterator where it inserts new code.
 908         Do not pass loop_p.
 909         (copy_bb_and_scalar_dependences): Do not pass loop_p.
 910         (translate_clast): Update call to copy_bb_and_scalar_dependences.
 911
 912 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
 913
 914         * graphite.h (debug_value): Removed.
 915         * graphite.c (debug_value): Removed.
 916
 917 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
 918
 919         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
 920         ldrd/strd with two 32-bit instructions.
 921
 922 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
 923
 924         * config/arm/arm.c (struct processors): Pass for speed down into
 925         cost helper functions.
 926         (const_ok_for_op): Handle COMPARE and inequality nodes.
 927         (arm_rtx_costs_1): Rewrite.
 928         (arm_size_rtx_costs): Update prototype.
 929         (arm_rtx_costs): Pass speed down to helper functions.
 930         (arm_slowmul_rtx_costs): Rework cost calculations.
 931         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
 932         (arm_9e_rtx_costs): Likewise.
 933
 934 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
 935
 936         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
 937         relocations of local symbols wider than UNITS_PER_WORD are not valid.
 938         (alpha_legitimize_address): Do not split local symbols wider than
 939         UNITS_PER_WORD into HIGH/LO_SUM parts.
 940
 941 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
 942
 943         PR bootstrap/38580
 944         * gcc.c (process_command): Replace call to execvp with calls
 945         to pex_one and exit.
 946
 947 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
 948
 949         PR target/29141
 950         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
 951         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
 952         variant for devices with 3-byte PC.
 953         (__tablejump_elpm__) : New.
 954
 955 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
 956
 957         PR c/32041
 958         * c-parser.c (c_parser_postfix_expression): Allow `->' in
 959         offsetof member-designator, handle it as `[0].'.
 960
 961 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 962
 963         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
 964         function when not using named sections on targets with named sections
 965         if branch distance is less than 262132.
 966
 967 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
 968
 969         * combine.c (combine_instructions):  Recompute
 970         optimize_this_for_speed_p  for each BB in the main combine loop.
 971
 972 2009-01-12  Tomas Bily  <tbily@suse.cz>
 973
 974         PR middlend/38385
 975         * tree-loop-distribution.c (prop_phis): New function.
 976         (generate_builtin): Call prop_phis.
 977         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
 978
 979 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
 980
 981         PR tree-optimization/38807
 982         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
 983         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
 984
 985 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
 986
 987         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
 988         subreg of op0 to the original op0.
 989
 990 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
 991
 992         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
 993
 994 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
 995
 996         PR debug/7055
 997         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
 998         starting with digits.
 999
1000 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
1001
1002         PR target/38695
1003         * config/arm/arm.c (arm_is_long_call_p): Don't call
1004         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1005
1006 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
1007
1008         * regrename.c (regrename_optimize): Fix dumping.
1009         (find_oldest_value_reg): Preserve REG_POINTER.
1010         (copy_hardreg_forward_1): Likewise.
1011
1012 2009-01-09  Diego Novillo  <dnovillo@google.com>
1013
1014         * gimple.h (struct gimple_statement_base)<uid>: Document
1015         the restrictions on its use.
1016         (gimple_uid): Tidy.
1017         (gimple_set_uid): Tidy.
1018
1019 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
1020
1021         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1022         zero guard even if align_bytes != 0 and count is smaller than
1023         size_needed.
1024
1025 2008-01-09  Vladimir Makarov  <vmakarov@redhat.com>
1026
1027         PR rtl-optimization/38495
1028         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1029         (add_range_and_copies_from_move_list): Print all added ranges.
1030         Add ranges to memory optimized destination.
1031
1032 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
1033
1034         PR target/38686
1035         PR target/38708
1036         * config/i386/i386.c (override_options): Reject
1037         -mstringop-strategy=rep_8byte with -m32.
1038         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1039         to 1.  Do count comparison against epilogue_size_needed at compile
1040         time even when count_exp was constant forced into register.  For
1041         size_needed don't jump to epilogue, instead just avoid aligning
1042         and invoke the body algorithm.  If need_zero_guard, add zero guard
1043         even if count is non-zero, but smaller than size_needed + number of
1044         bytes that could be stored for alignment.
1045         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1046         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
1047         but smaller than size_needed + number of bytes that could be stored
1048         for alignment.  Compare size_needed with epilogue_size_needed instead
1049         of desired_align - align, don't adjust size_needed, pass
1050         epilogue_size_needed to the epilogue expanders.
1051
1052         PR c/35742
1053         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1054
1055 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1056
1057         * pa.c (last_address): Change to unsigned.
1058         (update_total_code_bytes): Change argument to unsigned.  Don't
1059         check if insn addresses are set.
1060         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1061         addresses are not set.
1062         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1063
1064 2009-01-09  Nick Clifton  <nickc@redhat.com>
1065
1066         * config/sh/symbian.c: Replace uses of DECL_INLINE with
1067         DECL_DECLARED_INLINE_P.
1068
1069 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
1070
1071         PR middle-end/38347
1072         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1073         GET_MODE (op0) in operand_subword_force calls.
1074
1075         PR middle-end/38771
1076         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1077         fold_convert arg0 operands to TREE_TYPE (op0) first.
1078
1079 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
1080
1081         * params.def (ira-max-conflict-table-size): Decrease default value
1082         to 1000.
1083
1084 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
1085
1086         PR tree-optimization/37031
1087         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1088         on parameter_set.
1089         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1090         allocate it using gc instead of heap, use VEC_quick_push instead of
1091         VEC_safe_push.
1092         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1093         instead of heap, use VEC_quick_push instead of VEC_safe_push.
1094         * tree-data-ref.h (struct access_matrix): Change matrix to gc
1095         allocated vector from heap allocated.
1096         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1097         * tree-loop-linear.c (linear_transform_loops): Allocate nest
1098         vector only after perfect_loop_nest_depth call.
1099
1100 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1101             Jan Sjodin  <jan.sjodin@amd.com>
1102
1103         PR tree-optimization/38559
1104         * graphite.c (debug_value, copy_constraint,
1105         swap_constraint_variables, scale_constraint_variable, ): New.
1106         (get_lower_bound, get_upper_bound): Removed.
1107         (graphite_trans_bb_strip_mine): Clean up this code that works
1108         only for constant number of iterations.  Fully copy upper and
1109         lower bound constraints, not only the constant part of them.
1110         * graphite.h (debug_value): Declared.
1111
1112 2009-01-08  Ira Rosen  <irar@il.ibm.com>
1113
1114         PR tree-optimization/37194
1115         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1116         Don't add the cost of cost model guard in prologue to scalar
1117         outside cost in case of known number of iterations.
1118
1119 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1120             Alan Modra  <amodra@bigpond.net.au>
1121
1122         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1123         non-word-aligned REG+CONST addressing.
1124
1125 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
1126
1127         PR target/38706
1128         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1129         free_after_compilation when outputting a thunk.
1130         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1131         Do not call free_after_compilation here.
1132
1133 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
1134
1135         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1136         (ix86_valid_target_attribute_inner_p): Ditto.
1137
1138 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
1139
1140         PR tree-optimization/38492
1141         PR tree-optimization/38498
1142         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1143         * tree-chrec.h (scev_is_linear_expression): Declared.
1144         * graphite.c (graphite_cannot_represent_loop_niter): New.
1145         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1146         (graphite_loop_normal_form): Use gcc_assert.
1147         (scan_tree_for_params): Use CASE_CONVERT.
1148         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1149         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1150         Use gcc_assert.  Discard scops that contain unhandled cases.
1151         (build_scop_conditions): Return a boolean status for unhandled cases.
1152         (strip_mine_profitable_p): Print the loop number, not its depth.
1153         (is_interchange_valid): Pass the depth of the loop nest, don't
1154         recompute it wrongly.
1155         (graphite_trans_bb_block): Same.
1156         (graphite_trans_bb_block): Print tentative of loop blocking.
1157         (graphite_trans_scop_block): Do not print that the loop has been
1158         blocked.
1159         (graphite_transform_loops): Do not handle scops that contain condition
1160         scalar phi nodes.
1161
1162 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1163
1164         AVX Programming Reference (December, 2008)
1165         * config/i386/avxintrin.h (_mm256_stream_si256): New.
1166         (_mm256_stream_pd): Likewise.
1167         (_mm256_stream_ps): Likewise.
1168
1169         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1170         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1171         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1172         (bdesc_special_args): Add __builtin_ia32_movntdq256,
1173         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1174         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1175         (ix86_expand_special_args_builtin): Likewise.
1176
1177         * config/i386/sse.md (AVXMODEDI): New.
1178         (avx_movnt<mode>): Likewise.
1179         (avx_movnt<mode>): Likewise.
1180         (<sse>_movnt<mode>): Remove AVX support.
1181         (sse2_movntv2di): Likewise.
1182
1183 2009-01-07  Richard Guenther  <rguenther@suse.de>
1184
1185         PR middle-end/38751
1186         * fold-const.c (extract_muldiv): Remove obsolete comment.
1187         (fold_plusminus_mult_expr): Undo MINUS_EXPR
1188         to PLUS_EXPR canonicalization for the canonicalization.
1189
1190 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
1191
1192         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1193         hosted cross-compilers generating less efficient code.
1194
1195 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
1196
1197         * function.h (rtl_data): Add a dbr_scheduled_p field.
1198         * reorg.c (dbr_schedule): Set it.
1199         (gate_handle_delay_slots): Check it.
1200         * config/mips/mips.c (mips_base_delayed_branch): Delete.
1201         (mips_reorg): Check flag_delayed_branch instead of
1202         mips_base_delayed_branch.
1203         (mips_override_options): Don't set mips_base_delayed_branch
1204         or flag_delayed_branch.
1205
1206 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
1207
1208         PR rtl-optimization/38426.
1209         * ira.c (ira): Set current_function_is_leaf earlier.
1210
1211 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
1212
1213         PR rtl-optimization/38722
1214         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1215         too early, only set a flag and modify after last possible
1216         undo_all point.
1217
1218 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
1219
1220         PR c/34252
1221         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1222         * real.c (decimal_single_format): Correct values of emin and emax.
1223         (decimal_double_format): Ditto.
1224         (decimal_quad_format): Ditto.
1225         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1226         computation of DECnn_MIN and DECnn_MAX for corrected values of
1227         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
1228         __DECnn_MIN__, and adjust its computation for the corrected value
1229         of emin.
1230
1231 2009-01-06  Jan Hubicka  <jh@suse.cz>
1232
1233         PR target/38744
1234         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1235
1236 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
1237
1238         * doc/contrib.texi (Contributors): Slightly adjust the end note.
1239         Add Robert Clark to the list of testers.
1240
1241 2009-01-06  Jan Hubicka  <jh@suse.cz>
1242             Kai Tietz  <kai.tietz@onevision.com>
1243
1244         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1245         * config/i386/i386.c (ix86_expand_call): Add clobbers.
1246
1247 2009-01-06  Jan Hubicka  <jh@suse.cz>
1248             Kai Tietz  <kai.tietz@onevision.com>
1249
1250         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1251         for w64 ABI.
1252         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1253         (ix86_nsaved_regs): Count only general purpose regs.
1254         (ix86_nsaved_sseregs): New.
1255         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1256         to 16 for w64; compute padding and size of sse reg save area.
1257         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1258         general purpose regs.
1259         (ix86_emit_save_sse_regs_using_mov): New.
1260         (ix86_expand_prologue): Save SSE regs if needed.
1261         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1262         (ix86_emit_restore_sse_regs_using_mov): New.
1263         (ix86_expand_epilogue): Save SSE regs if needed.
1264
1265 2009-01-06  Jan Hubicka  <jh@suse.cz>
1266             Kai Tietz  <kai.tietz@onevision.com>
1267
1268         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1269         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1270         functions when accumulate outgoing args is off.
1271
1272 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1273
1274         PR bootstrap/38742
1275         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1276         before using pseudos_have_intersected_live_ranges_p.
1277
1278         * ira-int.h (ira_assert): Always define.
1279
1280 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1281
1282         AVX Programming Reference (December, 2008)
1283         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1284         (_mm256_permute2_pd): Likewise.
1285         (_mm_permute2_ps): Likewise.
1286         (_mm256_permute2_ps): Likewise.
1287         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1288         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1289
1290         * config/i386/i386.c (ix86_builtins): Remove
1291         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1292         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1293         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1294         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1295         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1296         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1297         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1298         __builtin_ia32_vpermil2ps256.
1299         (ix86_init_mmx_sse_builtins): Updated.
1300         (ix86_expand_args_builtin): Likewise.
1301
1302 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1303
1304         * pa.c (output_call): Relocate non-jump insns in the delay slot of
1305         long absolute calls when generating PA 2.0 code.
1306
1307 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
1308
1309         PR rtl-optimization/38583
1310         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1311
1312         * params.def (ira-max-conflict-table-size): New.
1313
1314         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1315
1316         * ira.h (ira_conflicts_p): New external definition.
1317
1318         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1319         table.  Report this.  Return result of building.
1320         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
1321         building conflict table.
1322
1323         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1324         (ira_color): Use ira_conflicts_p.
1325
1326         * global.c: Include ira.h.
1327         (pseudo_for_reload_consideration_p, build_insn_chain): Use
1328         ira_conflicts_p.
1329
1330         * Makefile.in (global.o): Add ira.h.
1331
1332         * ira-build.c (mark_all_loops_for_removal,
1333         propagate_some_info_from_allocno): New.
1334         (remove_unnecessary_allocnos): Call
1335         propagate_some_info_from_allocno.
1336         (remove_low_level_allocnos): New.
1337         (remove_unnecessary_regions): Add parameter.  Call
1338         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
1339         parameter to remove_unnecessary_regions.
1340         (ira_build): Remove all regions but root if the conflict table was
1341         not built.  Update conflict hard regs for allocnos crossing calls.
1342
1343         * ira.c (ira_conflicts_p): New global.
1344         (ira): Define and use ira_conflicts_p.
1345
1346         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1347         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1348         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1349
1350 2009-01-06  Ben Elliston  <bje@au.ibm.com>
1351
1352         * gengtype-lex.l (YY_NO_INPUT): Define.
1353
1354 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1355
1356         PR c/34911
1357         * c-common.c (handle_vector_size_attribute): Also reject
1358         BOOLEAN_TYPE types.
1359
1360 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         PR tree-optimization/38492
1363         * graphite.c (rename_map_elt, debug_rename_elt,
1364         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1365         rename_map_elt_info, eq_rename_map_elts,
1366         get_new_name_from_old_name, bb_in_sese_p): Moved around.
1367         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1368         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1369         (sese_build_livein_liveouts): New.
1370         (new_sese, free_sese): New.
1371         (new_scop): Call new_sese.
1372         (free_scop): Call free_sese.
1373         (rename_variables_from_edge, rename_phis_end_scop): Removed.
1374         (register_old_new_names): Renamed register_old_and_new_names.
1375         (register_scop_liveout_renames, add_loop_exit_phis,
1376         insert_loop_close_phis, struct igp,
1377         default_liveout_before_guard, add_guard_exit_phis,
1378         insert_guard_phis, copy_renames): New.
1379         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1380         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1381         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1382         (scop_adjust_phis_for_liveouts): New.
1383         (gloog): Call scop_adjust_phis_for_liveouts.
1384
1385         * graphite.h (struct sese): Documented.  Added fields liveout,
1386         num_ver and livein.
1387         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1388         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1389         (struct scop): Added field liveout_renames.
1390         (SCOP_LIVEOUT_RENAMES): New.
1391
1392 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1393
1394         PR tree-optimization/38510
1395         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1396         (translate_clast): Call recompute_all_dominators before
1397         graphite_verify.
1398         (gloog): Call recompute_all_dominators before graphite_verify.
1399
1400 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1401             Jan Sjodin  <jan.sjodin@amd.com>
1402
1403         PR tree-optimization/38500
1404         * graphite.c (create_sese_edges): Call fix_loop_structure after
1405         splitting blocks.
1406
1407 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
1408
1409         * config.gcc: Add m32r*-*-rtems*.
1410         * config/m32r/rtems.h: New file.
1411
1412 2009-01-05  Ben Elliston  <bje@au.ibm.com>
1413
1414         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1415         (.po.pox): Likewise.
1416         (po/gcc.pot): Likewise.
1417
1418 2009-01-04  David S. Miller  <davem@davemloft.net>
1419
1420         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1421         (STARTING_FRAME_OFFSET): Always set to zero.
1422
1423 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
1424
1425         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1426         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1427         fixed-point types, and vectors of the same.
1428
1429 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
1430
1431         * config/mips/sync.md (*mb_barrier): Rename to...
1432         (*memory_barrier): ...this.
1433
1434 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
1435
1436         * doc/extend.texi (Function Attributes): Move @cindex after @item
1437         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1438         and put in alphabetical order. Fix 'target' name and put in order.
1439         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1440         typos.
1441
1442 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
1443
1444         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1445         (memory_barrier): Expand as unspec instead of unspec_volatile.
1446         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1447         (*memory_barrier): Define as unspec instead of unspec_volatile.
1448         Use (match_dup 0) as input operand.
1449
1450         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1451         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1452         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
1453         scratch register.  Remove operand 1.
1454         (*stbar): Define as unspec instead of unspec_volatile.
1455         Use (match_dup 0) as input operand, remove (const_int 8).
1456         (*membar): Define as unspec instead of unspec_volatile.
1457         Use (match_dup 0) as input operand, remove input operand 2.
1458
1459         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1460         (memory_barrier): Expand as unspec instead of unspec_volatile.
1461         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1462         (*memory_barrier): Define as unspec instead of unspec_volatile.
1463         Use (match_dup 0) as input operand.
1464
1465         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1466         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1467         Set volatile flag on operand 0.
1468         (*memory_barrier): New insn pattern.
1469
1470         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1471         insn operands.
1472         (*memory_barrier): Use (match_dup 0) as input operand.
1473
1474         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1475         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1476         Set volatile flag on operand 0.
1477         (*mb_internal): New insn pattern.
1478
1479         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1480
1481 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
1482
1483         PR middle-end/38586
1484         * function.c (struct temp_slot): Move to the section of the file
1485         that deals with temp slots.  Remove field 'address'.
1486         (temp_slot_address_table): New hash table of address -> temp slot.
1487         (struct temp_slot_address_entry): New struct, items for the table.
1488         (temp_slot_address_compute_hash, temp_slot_address_hash,
1489         temp_slot_address_eq, insert_temp_slot_address): Support functions
1490         for the new table.
1491         (find_temp_slot_from_address): Rewrite to use the new hash table.
1492         (remove_unused_temp_slot_addresses): Remove addresses of temp
1493         slots that have been made available.
1494         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1495         worker function for remove_unused_temp_slot_addresses.
1496         (assign_stack_temp_for_type): Don't clear the temp slot address list.
1497         Add the temp slot address to the address -> temp slot map.
1498         (update_temp_slot_address): Update via insert_temp_slot_address.
1499         (free_temp_slots): Call remove_unused_temp_slot_addresses.
1500         (pop_temp_slots): Likewise.
1501         (init_temp_slots): Allocate the address -> temp slot map, or empty
1502         the map if it is already allocated.
1503         (prepare_function_start): Initialize temp slot processing.
1504
1505 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
1506
1507         PR middle-end/38584
1508         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1509         Calculate the size of all stack vars assuming no packing of stack
1510         vars will happen, replacing a quadratic algorithm with a linear one.
1511
1512 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
1513
1514         PR target/38707
1515         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1516         can't be used.
1517
1518 2009-01-03  Diego Novillo  <dnovillo@google.com>
1519
1520         * doc/contrib.texi: Update contributions.
1521
1522 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
1523
1524         PR c++/38705
1525         * builtins.c (fold_builtin_memory_op): Give up if either operand
1526         is volatile.  Set srctype or desttype to non-qualified version
1527         of the other type.
1528
1529         PR c/38700
1530         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1531         and FUNCTION_DECLs.
1532
1533 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
1534
1535         PR rtl-optimization/35805
1536         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1537         problem if fast dce is able to remove any instructions.
1538         * dce.c (dce_process_block): Fix dump message.
1539
1540 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
1541
1542         PR 33649
1543         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1544
1545 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR middle-end/38690
1548         * tree-flow.h (op_code_prio, op_prio): New prototypes.
1549         * tree-pretty-print.c (op_code_prio): New function.
1550         (op_prio): No longer static.  Use op_code_prio.
1551         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1552         Use op_prio and op_code_prio to determine if () should be
1553         printed around operand(s) or not.
1554
1555         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1556         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1557         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1558         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1559         pp_character instead of pp_string for single letter printing.
1560
1561 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1562
1563         * doc/extend.texi: Fix '#pragma GCC option' typo.
1564
1565 2009-01-02  Richard Guenther  <rguenther@suse.de>
1566
1567         * doc/install.texi (--enable-checking): Mention different
1568         default for stage1.
1569         (--enable-stage1-checking): Document.
1570
1571 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
1572
1573         PR middle-end/30142
1574         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
1575         case to be an error.
1576
1577 2009-01-02  Ben Elliston  <bje@au.ibm.com>
1578
1579         * config/fp-bit.h (pack_d): Constify argument.
1580         * config/fp-bit.c (makenan): Constify return type. Remove casts.
1581         (isnan): Constify argument.
1582         (isinf): Likewise.
1583         (iszero): Likewise.
1584         (pack_d): Likewise.
1585         (_fpadd_parts): Constify return type.
1586         (_fpmul_parts): Likewise.
1587         (_fpdiv_parts): Likewise.
1588
1589 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR c/36489
1592         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
1593         warn about overwriting initializer with side-effects or
1594         -Woverride-init if !IMPLICIT.
1595         (output_init_element): Likewise.  Pass IMPLICIT down to
1596         add_pending_init.
1597         (process_init_element): Add IMPLICIT argument.  Pass it down
1598         to output_init_element.
1599         (push_init_element, pop_init_level, set_designator): Adjust
1600         process_init_element callers.
1601         (set_nonincremental_init, set_nonincremental_init_from_string):
1602         Adjust add_pending_init callers.
1603         (output_pending_init_elements): Adjust output_init_element callers.
1604         * c-tree.h (process_init_element): Adjust prototype.
1605         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1606         process_init_element callers.