gcc/ChangeLog

   1 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
   2
   3         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
   4         Move to the unsupported targets list.
   5
   6 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
   7
   8         PR rtl-optimization/47525
   9         * df-scan.c: Update copyright years.
  10         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
  11         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
  12
  13 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  14
  15         * config/i386/sysv4.h (TARGET_VERSION): Remove.
  16         (SUBTARGET_RETURN_IN_MEMORY): Remove.
  17         (ASM_OUTPUT_ASCII): Remove.
  18         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
  19
  20 2011-02-02  Jeff Law  <law@redhat.com>
  21
  22         PR middle-end/47543
  23         * reload.c (find_reloads_address): Handle reg+d address where both
  24         components are invalid by reloading the entire address.
  25
  26 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
  27             Richard Guenther  <rguenther@suse.de>
  28
  29         PR tree-optimization/40979
  30         PR bootstrap/47044
  31         * passes.c (init_optimization_passes): After LIM call copy_prop
  32         and DCE to clean up.
  33         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
  34
  35 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         PR tree-optimization/47576
  38         PR tree-optimization/47555
  39         * doc/invoke.texi (scev-max-expr-complexity): Documented.
  40         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
  41         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
  42         * tree-scalar-evolution.c (follow_ssa_edge): Use
  43         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
  44
  45 2011-02-02  Richard Guenther  <rguenther@suse.de>
  46
  47         PR tree-optimization/47566
  48         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
  49
  50 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
  51
  52         PR debug/47106
  53         PR debug/47402
  54         * tree-inline.c (declare_return_variable): Remove unused caller
  55         variable.
  56
  57         PR debug/47106
  58         PR debug/47402
  59         * tree-flow-inline.h (clear_is_used, is_used_p): New.
  60         * cfgexpand.c (account_used_vars_for_block): Use them.
  61         * tree-nrv.c (tree_nrv): Likewise.
  62         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
  63         (dump_scope_block): Likewise.
  64         (remove_unused_locals): Likewise.
  65
  66         PR debug/47106
  67         PR debug/47402
  68         * tree-inline.c (declare_return_variable): Add result decl to
  69         local decls only once.
  70         * gimple-low.c (record_vars_into): Mark newly-created variables
  71         as referenced.
  72
  73 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
  74
  75         PR debug/47498
  76         PR debug/47501
  77         PR debug/45136
  78         PR debug/45130
  79         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
  80         debug insns.
  81         (no_real_insns_p, schedule_block, set_priorities): Drop special
  82         treatment of boundary debug insns.
  83         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
  84         insns.
  85         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
  86         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
  87         (BOUNDARY_DEBUG_INSN_P): Likewise.
  88         (SCHEDULE_DEBUG_INSN_P): Likewise.
  89         * sched-rgn.c (init_ready_list): Drop special treatment of
  90         boundary debug insns.
  91         * final.c (rest_of_clean_state): Clear notes' BB.
  92
  93 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
  94
  95         * config/openbsd.opt (assert=): New Driver option.
  96
  97 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
  98
  99         * config/i386/nto.opt: New.
 100         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
 101
 102 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 103
 104         * config/i386/netware.opt: New.
 105         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
 106
 107 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 108
 109         * config/interix.opt (posix): New Driver option.
 110
 111 2011-02-01  DJ Delorie  <dj@redhat.com>
 112
 113         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
 114
 115         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
 116         class for A0/A1.
 117
 118 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
 119
 120         PR tree-optimization/47561
 121         * toplev.c (process_options): Print the Graphite flags.  Add
 122         flag_loop_flatten to the list of options requiring Graphite.
 123
 124 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 125
 126         * config/i386/cygming.opt (posix): New Driver option.
 127
 128 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 129
 130         * config/arm/vxworks.opt: New.
 131         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
 132
 133 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 134
 135         * config/alpha/elf.opt: New.
 136         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
 137         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
 138
 139 2011-02-01  Richard Guenther  <rguenther@suse.de>
 140
 141         PR tree-optimization/47559
 142         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
 143         store-motion on references that can throw.
 144
 145 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
 146
 147         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
 148         * tree-pass.h (TDF_CSELIB): New macro.
 149         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
 150         cselib_lookup): Check for it rather than for TDF_DETAILS.
 151
 152 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
 153
 154         PR driver/47547
 155         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
 156         is HOST_BIT_BUCKET.
 157
 158         * opts.c (finish_options): Don't add x_aux_base_name if it is
 159         HOST_BIT_BUCKET.
 160
 161 2011-02-01  Richard Guenther  <rguenther@suse.de>
 162
 163         PR tree-optimization/47555
 164         Revert
 165         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 168
 169 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
 170
 171         PR gcc/46692
 172         * config/lm32/t-lm32: Add multilib for all CPU options.
 173
 174 2011-02-01  Richard Guenther  <rguenther@suse.de>
 175
 176         PR tree-optimization/47541
 177         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
 178         sure to have a field at offset zero.
 179
 180 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 181
 182         * config/arc/arc.opt (EB, EL): New Driver options.
 183
 184 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 185
 186         * config/alpha/osf5.opt: New.
 187         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
 188
 189 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 190
 191         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
 192
 193 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
 196         -floop-interchange.
 197         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
 198         is an alias of -floop-interchange and that it requires the
 199         Graphite infrastructure.
 200         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
 201         flag_loop_interchange based on the value of flag_tree_loop_linear.
 202
 203 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
 204             Richard Guenther  <rguenther@suse.de>
 205
 206         PR tree-optimization/47538
 207         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
 208         type instead of r1type, except for comparisons.  For right
 209         shifts and comparisons punt if there are mismatches in
 210         sizetype vs. non-sizetype types.
 211
 212 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 213
 214         * doc/sourcebuild.texi (Effective-Target Keywords): Document
 215         avx_runtime.
 216
 217 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 218
 219         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
 220         version number.
 221         * configure: Regenerate.
 222
 223 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 224
 225         * configure.ac (gcc_cv_ld_static_option): Define.
 226         (gcc_cv_ld_dynamic_option): Define.
 227         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
 228         instead.
 229         (HAVE_LD_STATIC_DYNAMIC): Update message.
 230         (LD_STATIC_OPTION): Define.
 231         (LD_DYNAMIC_OPTION): Define.
 232         * configure: Regenerate.
 233         * config.in: Regenerate.
 234         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
 235         HAVE_LD_STATIC_DYNAMIC]: Use them.
 236
 237 2011-01-31  Nick Clifton  <nickc@redhat.com>
 238
 239         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
 240         registers inside interrupt handlers if the handler is not a leaf
 241         function.
 242
 243 2011-01-31  Nick Clifton  <nickc@redhat.com>
 244
 245         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
 246         reg_renumber returning an INVALID_REGNUM.
 247
 248 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 249
 250         PR libgcj/44341
 251         * doc/install.texi: Document host options discarded when cross
 252         configuring target libraries.
 253
 254 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 255
 256         Reverted:
 257         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 258         PR debug/45136
 259         PR debug/45130
 260         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 261         debug insns.
 262         (no_real_insns_p, schedule_block, set_priorities): Drop special
 263         treatment of boundary debug insns.
 264         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
 265         insns.
 266         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 267         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 268         (BOUNDARY_DEBUG_INSN_P): Likewise.
 269         (SCHEDULE_DEBUG_INSN_P): Likewise.
 270         * sched-rgn.c (init_ready_list): Drop special treatment of
 271         boundary debug insns.
 272         * final.c (rest_of_clean-state): Clear notes' BB.
 273
 274 2011-01-31  Alan Modra  <amodra@gmail.com>
 275
 276         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
 277         toc relative expressions as we do in print_operand_address.
 278
 279 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
 280
 281         * doc/extend.texi: Follow spelling conventions.
 282         * doc/invoke.texi: Fix a typo.
 283
 284 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
 285
 286         * config/hpux11.opt: New.
 287         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
 288         ia64*-*-hpux*): Use hpux11.opt.
 289
 290 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
 291
 292         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
 293         to tmake_file.
 294
 295 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 296
 297         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
 298         support sites.
 299
 300 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 301
 302         * doc/install.texi (Binaries): Remove outdated reference for
 303         Motorola 68HC11/68HC12 downloads.
 304
 305 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 306
 307         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
 308         Drepper's paper.
 309
 310 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
 311
 312         PR bootstrap/47147
 313         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
 314         used by NetBSD.
 315
 316 2011-01-28  Ahmad Sharif <asharif@google.com>
 317
 318         * value-prof.c (check_counter): Corrected error message.
 319
 320 2011-01-29  Jie Zhang  <jie@codesourcery.com>
 321
 322         * config/arm/arm.c (arm_legitimize_reload_address): New.
 323         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
 324         arm_legitimize_reload_address.
 325         * config/arm/arm-protos.h (arm_legitimize_reload_address):
 326         Declare.
 327
 328 2011-01-28  Ian Lance Taylor  <iant@google.com>
 329
 330         * godump.c (go_define): Ignore macros whose definitions include
 331         two adjacent operands.
 332
 333 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR target/42894
 336         * varasm.c (force_const_mem): Store copy of x in desc->constant
 337         instead of x itself.
 338         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
 339         itself into REG_EQUAL note.
 340
 341 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
 342
 343         * config/freebsd.opt (posix, rdynamic): New Driver options.
 344
 345 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 346
 347         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
 348         -Bstatic/-Bdynamic.
 349         * configure: Regenerate.
 350
 351 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
 352
 353         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
 354         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
 355
 356 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
 357
 358         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
 359         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
 360         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
 361         (s390_preferred_reload_class): Make static. Change return and
 362         'rclass' argument type to reg_class_t.
 363
 364 2011-01-27  Jan Hubicka  <jh@suse.cz>
 365
 366         PR middle-end/46949
 367         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
 368         (process_function_and_variable_attributes): Check defined weakrefs.
 369
 370 2011-01-27  Martin Jambor  <mjambor@suse.cz>
 371
 372         PR tree-optimization/47228
 373         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
 374         build_ref_for_offset.
 375
 376 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 377
 378         * config/spu/spu-elf.h (ASM_SPEC): Remove.
 379
 380 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
 381
 382         PR rtl-optimization/46856
 383         * postreload.c (reload_combine_recognize_const_pattern): Do not
 384         separate cc0 setter and user on cc0 targets.
 385
 386 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
 387
 388         PR c/43082
 389         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
 390         passed a VOID_TYPE expression, immediately emit an error and
 391         return error_mark_node.
 392
 393 2011-01-26  Jeff Law  <law@redhat.com>
 394
 395         PR rtl-optimization/47464
 396         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
 397         rather than may_trap_p as needed.
 398
 399 2011-01-26  DJ Delorie  <dj@redhat.com>
 400
 401         PR rtl-optimization/46878
 402         * combine.c (insn_a_feeds_b): Check for the implicit cc0
 403         setter/user dependency as well.
 404
 405 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
 406
 407         PR rtl-optimization/44469
 408         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
 409         after removing trivially dead basic blocks.
 410
 411 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 412
 413         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
 414         * config/frv/frv.h (LINK_SPEC): Likewise.
 415         * config/i386/netware.h (LINK_SPEC): Likewise.
 416         * config/m68k/linux.h (ASM_SPEC): Likewise.
 417         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
 418         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 419         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 420         * config/sparc/linux.h (ASM_SPEC): Likewise.
 421         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 422         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 423
 424 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 425
 426         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
 427         * config/frv/frv.h (ASM_SPEC): Likewise.
 428         * config/m68k/linux.h (ASM_SPEC): Likewise.
 429         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 430         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
 431         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 432         * config/sparc/linux.h (ASM_SPEC): Likewise.
 433         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 434         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 435
 436 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 437
 438         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
 439         * config/frv/frv.h (LINK_SPEC): Likewise.
 440         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 441
 442 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 443
 444         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
 445         * config/frv/frv.h (ASM_SPEC): Likewise.
 446         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
 447         * config/m68k/linux.h (ASM_SPEC): Likewise.
 448         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 449         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
 450         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 451         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
 452         * config/sparc/linux.h (ASM_SPEC): Likewise.
 453         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 454         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 455         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
 456
 457 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
 458
 459         PR target/46997
 460         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
 461         (*mux2): Ditto.
 462         (vec_extract_evenodd_help): Ditto.
 463         (vec_extract_evenv4hi): Ditto.
 464         (vec_extract_oddv4hi): Ditto.
 465         (vec_interleave_lowv2si): Ditto.
 466         (vec_interleave_highv2si): Ditto.
 467         (vec_extract_evenv2si): Ditto.
 468         (vec_extract_oddv2si: Ditto.
 469         (vec_pack_trunc_v2si): Ditto.
 470
 471 2011-01-22  Jan Hubicka  <jh@suse.cz>
 472
 473         PR target/47237
 474         * cgraph.h (cgraph_local_info): New field can_change_signature.
 475         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
 476         signature can change.
 477         (ipcp_estimate_growth): Call sequence simplify only if calle signature
 478         can change.
 479         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
 480         (cgraph_function_versioning): We can not change signature of functions
 481         that don't allow that.
 482         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
 483         (lto_input_node): Likewise.
 484         * ipa-inline.c (compute_inline_parameters): Compute local.can_change_signature.
 485         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
 486         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on functions
 487         that can not change signature.
 488         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
 489         init_cumulative_args): Do not use local calling conventions for functions
 490         that can not change signature.
 491
 492 2011-01-22  Jan Hubicka  <jh@suse.cz>
 493
 494         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
 495
 496 2011-01-26  Richard Guenther  <rguenther@suse.de>
 497
 498         PR tree-optimization/47190
 499         * cgraphunit.c (process_common_attributes): New function.
 500         (process_function_and_variable_attributes): Use it.
 501
 502 2011-01-26  Richard Guenther  <rguenther@suse.de>
 503
 504         PR lto/47423
 505         * cgraphbuild.c (record_eh_tables): Record reference to personality
 506         function.
 507
 508 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
 509
 510         PR debug/45454
 511         * sel-sched.c (moveup_expr): Don't let debug insns prevent
 512         non-debug insns from moving up.
 513
 514 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 515
 516         PR target/40125
 517         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
 518         t-dlldir{,-x} fragment for build and add it to tmake_file.
 519         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
 520         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
 521         * config/i386/t-dlldir: New file.
 522         (SHLIB_DLLDIR): Define.
 523         * config/i386/t-dlldir-x: New file.
 524         (SHLIB_DLLDIR): Define.
 525         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
 526         (SHLIB_INSTALL): Use it.
 527
 528 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
 529
 530         PR target/47246
 531         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
 532         lower bound of the allowed Thumb-2 coprocessor load/store
 533         index range to -256. Add explaining comment.
 534
 535 2011-01-25  Ian Lance Taylor  <iant@google.com>
 536
 537         * godump.c (go_define): Improve lexing of macro expansion to only
 538         accept expressions which match Go spec.
 539
 540 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 541
 542         PR c++/43601
 543         * tree.c (handle_dll_attribute): Handle it.
 544         * doc/extend.texi (@item dllexport): Mention it.
 545         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
 546
 547 2011-01-25  Ian Lance Taylor  <iant@google.com>
 548
 549         PR tree-optimization/26854
 550         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
 551         (decl_jump_unsafe): Move higher in file, with no other change.
 552         (bind): Set has_jump_unsafe_decl if appropriate.
 553         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
 554         (check_earlier_gotos): Likewise.
 555         (c_check_switch_jump_warnings): Likewise.
 556
 557 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
 558
 559         * doc/invoke.texi (Warning Options): Add missing hyphen.
 560         (-fprofile-dir): Minor grammatical fixes.
 561         (-fbranch-probabilities): Likewise.
 562
 563 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 564
 565         PR debug/45136
 566         PR debug/45130
 567         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 568         debug insns.
 569         (no_real_insns_p, schedule_block, set_priorities): Drop special
 570         treatment of boundary debug insns.
 571         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
 572         insns.
 573         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 574         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 575         (BOUNDARY_DEBUG_INSN_P): Likewise.
 576         (SCHEDULE_DEBUG_INSN_P): Likewise.
 577         * sched-rgn.c (init_ready_list): Drop special treatment of
 578         boundary debug insns.
 579         * final.c (rest_of_clean-state): Clear notes' BB.
 580
 581 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * Makefile.in (LAMBDA_H): Removed.
 584         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
 585         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
 586         lambda-trans.o, and tree-loop-linear.o.
 587         (lto-symtab.o): Remove dependence on LAMBDA_H.
 588         (tree-loop-linear.o): Remove rule.
 589         (lambda-mat.o): Same.
 590         (lambda-trans.o): Same.
 591         (lambda-code.o): Same.
 592         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
 593         (tree-vect-slp.o): Same.
 594         * hwint.h (gcd): Moved here.
 595         (least_common_multiple): Same.
 596         * lambda-code.c: Removed.
 597         * lambda-mat.c: Removed.
 598         * lambda-trans.c: Removed.
 599         * lambda.h: Removed.
 600         * tree-loop-linear.c: Removed.
 601         * lto-symtab.c: Do not include lambda.h.
 602         * omega.c (gcd): Removed.
 603         * passes.c (init_optimization_passes): Remove pass_linear_transform.
 604         * tree-data-ref.c (print_lambda_vector): Moved here.
 605         (lambda_vector_copy): Same.
 606         (lambda_matrix_copy): Same.
 607         (lambda_matrix_id): Same.
 608         (lambda_vector_first_nz): Same.
 609         (lambda_matrix_row_add): Same.
 610         (lambda_matrix_row_exchange): Same.
 611         (lambda_vector_mult_const): Same.
 612         (lambda_vector_negate): Same.
 613         (lambda_matrix_row_negate): Same.
 614         (lambda_vector_equal): Same.
 615         (lambda_matrix_right_hermite): Same.
 616         * tree-data-ref.h: Do not include lambda.h.
 617         (lambda_vector): Moved here.
 618         (lambda_matrix): Same.
 619         (dependence_level): Same.
 620         (lambda_transform_legal_p): Removed declaration.
 621         (lambda_collect_parameters): Same.
 622         (lambda_compute_access_matrices): Same.
 623         (lambda_vector_gcd): Same.
 624         (lambda_vector_new): Same.
 625         (lambda_vector_clear): Same.
 626         (lambda_vector_lexico_pos): Same.
 627         (lambda_vector_zerop): Same.
 628         (lambda_matrix_new): Same.
 629         * tree-flow.h (least_common_multiple): Removed declaration.
 630         * tree-parloops.c (lambda_trans_matrix): Moved here.
 631         (LTM_MATRIX): Same.
 632         (LTM_ROWSIZE): Same.
 633         (LTM_COLSIZE): Same.
 634         (LTM_DENOMINATOR): Same.
 635         (lambda_trans_matrix_new): Same.
 636         (lambda_matrix_vector_mult): Same.
 637         (lambda_transform_legal_p): Same.
 638         * tree-pass.h (pass_linear_transform): Removed declaration.
 639         * tree-ssa-loop.c (tree_linear_transform): Removed.
 640         (gate_tree_linear_transform): Removed.
 641         (pass_linear_transform): Removed.
 642         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
 643         flag_loop_interchange.
 644
 645 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
 646
 647         PR tree-optimization/47265
 648         PR tree-optimization/47443
 649         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
 650         if name still has some uses.
 651
 652 2011-01-25  Martin Jambor  <mjambor@suse.cz>
 653
 654         PR tree-optimization/47382
 655         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
 656         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
 657
 658 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
 659
 660         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
 661         sjlj_except_unwind_info.
 662
 663 2011-01-25  Richard Guenther  <rguenther@suse.de>
 664
 665         PR tree-optimization/47426
 666         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
 667         visible functions results escape.
 668
 669 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
 670
 671         PR target/45701
 672         * config/arm/arm.c (any_sibcall_uses_r3): New function.
 673         (arm_get_frame_offsets): Use it.
 674
 675 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 676             Jakub Jelinek  <jakub@redhat.com>
 677
 678         PR tree-optimization/47271
 679         * tree-if-conv.c (bb_postdominates_preds): New.
 680         (if_convertible_bb_p): Call bb_postdominates_preds.
 681         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
 682         (predicate_scalar_phi): Call bb_postdominates_preds.
 683
 684 2011-01-25  Nick Clifton  <nickc@redhat.com>
 685
 686         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
 687         * config/rx/rx.c (rx_function_value): Likewise.
 688         (rx_promote_function_mode): Likewise.
 689         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
 690         in order to make it legitimate.
 691         * config/rx/rx.md (adddi3_internal): If the second operand is a
 692         MEM make sure that the first operand is the same as the result
 693         register.
 694         (addsi3_unspec): Delete.
 695         (subdi3): Do not accept immediate operands.
 696         (subdi3_internal): Likewise.
 697
 698 2011-01-25  Jeff Law  <law@redhat.com>
 699
 700         PR rtl-optimization/37273
 701         * ira-costs.c (scan_one_insn): Detect constants living in memory and
 702         handle them like argument loads from stack slots.  Do not double
 703         count memory for memory constants and argument loads from stack slots.
 704
 705 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
 706
 707         PR tree-optimization/47427
 708         PR tree-optimization/47428
 709         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
 710         coalesce if the new root var would be TREE_READONLY.
 711
 712 2011-01-25  Richard Guenther  <rguenther@suse.de>
 713
 714         PR middle-end/47414
 715         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
 716         correct type for TBAA.
 717
 718 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
 721         (close_phi_written_to_memory): Call for_each_index with
 722         dr_indices_valid_in_loop.
 723
 724 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 725
 726         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
 727         when it is initialized.
 728
 729 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
 732         call to graphite_find_data_references_in_stmt.
 733         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
 734         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
 735         call to graphite_find_data_references_in_stmt.
 736         (analyze_drs_in_stmts): Same.
 737         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
 738         in which the scalar analysis of indices is performed.
 739         (create_data_ref): Same.  Update call to dr_analyze_indices.
 740         (find_data_references_in_stmt): Update call to create_data_ref.
 741         (graphite_find_data_references_in_stmt): Same.
 742         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
 743         declaration.
 744         (create_data_ref): Same.
 745         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
 746         call to create_data_ref.
 747
 748 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * graphite-sese-to-poly.c (build_poly_scop): Move
 751         rewrite_commutative_reductions_out_of_ssa before
 752         find_scop_parameters.
 753
 754 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 755
 756         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
 757         VAR_DECL, PARM_DECL, and RESULT_DECL.
 758
 759 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 760
 761         * graphite-dependences.c (reduction_dr_1): Allow several reductions
 762         in a reduction PBB.
 763         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
 764         that have already been marked as PBB_IS_REDUCTION.
 765
 766 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-scop-detection.c (same_close_phi_node): New.
 769         (remove_duplicate_close_phi): New.
 770         (make_close_phi_nodes_unique): New.
 771         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
 772
 773 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
 776         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
 777         of both data references to be the same.
 778
 779 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * graphite-dependences.c (build_lexicographical_constraint): Remove the
 782         gdim parameter.
 783         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
 784         (dependence_polyhedron): Same.
 785         (graphite_legal_transform_dr): Same.
 786         (graphite_carried_dependence_level_k): Same.
 787         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
 788         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
 789
 790 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 791
 792         * graphite-sese-to-poly.c
 793         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
 794         (close_phi_written_to_memory): New.
 795         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
 796         and unshare_expr.
 797
 798 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * doc/install.texi: Update the expected version number of PPL to 0.11.
 801         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
 802         #if PPL_VERSION_MINOR < 11.
 803
 804 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 805
 806         * graphite-dependences.c: Include graphite-cloog-util.h.
 807         (new_poly_ddr): Inlined into dependence_polyhedron.
 808         (free_poly_ddr): Moved close by new_poly_ddr.
 809         (dependence_polyhedron_1): Renamed dependence_polyhedron.
 810         Early return NULL when ppl_powerset_is_empty returns true.
 811         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
 812         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
 813         (graphite_legal_transform_dr): Call new_poly_ddr.
 814         (graphite_carried_dependence_level_k): Same.
 815         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
 816         (dot_transformed_deps_stmt_1): Removed.
 817         (dot_deps_stmt_1): Call dot_deps_stmt_2.
 818         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
 819         (dot_deps_1): Call dot_deps_2.
 820         * Makefile.in (graphite-dependences.o): Add missing dependence on
 821         graphite-cloog-util.h.
 822
 823 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
 826         (build_lexicographical_constraint): Same.
 827         (dependence_polyhedron_1): Same.
 828         (graphite_legal_transform_dr): Same.
 829         (graphite_carried_dependence_level_k): Same.
 830         * graphite-ppl.c (ppl_powerset_is_empty): New.
 831         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
 832         * tree-data-ref.c (dump_data_reference): Print the basic block index.
 833
 834 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
 837         the "a followed by b" relation and document it.
 838
 839 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 840
 841         * graphite-dependences.c (build_lexicographical_constraint): Stop the
 842         iteration when the bag of constraints is empty.
 843
 844 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
 847
 848 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 849
 850         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
 851         nest and two loop depths as parameters.
 852         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
 853         lst_perfect_nestify.
 854
 855 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-dependences.c (print_pddr): Call
 858         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
 859
 860 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * graphite-ppl.c (debug_gmp_value): New.
 863         * graphite-ppl.h (debug_gmp_value): Declared.
 864
 865 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
 866
 867         * doc/install.texi: Document availability of cloog-0.16.
 868
 869 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
 870
 871         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
 872         invalid postdominance info.
 873
 874 2011-01-24  Jan Hubicka  <jh@suse.cz>
 875
 876         PR c/21659
 877         * doc/extend.texi (weak pragma): Drop claim that it must
 878         appear before definition.
 879         * varasm.c (merge_weak, declare_weak): Only sanity check
 880         that DECL is not output at a time it is declared weak.
 881
 882 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
 883
 884         * machmode.def: Fixed comments.
 885
 886 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
 887
 888         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
 889
 890 2011-01-24  Paul Koning  <ni1d@arrl.net>
 891
 892         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
 893         WORDS_BIG_ENDIAN.
 894
 895 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 896
 897         PR target/46519
 898         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
 899         (block_info): Add scanned and prev.
 900         (move_or_delete_vzeroupper_2): Return if the basic block
 901         has been scanned and the upper 128bit state is unchanged
 902         from the last scan.
 903         (move_or_delete_vzeroupper_1): Return true if the exit
 904         state is changed.
 905         (move_or_delete_vzeroupper): Visit basic blocks using the
 906         work-list based algorithm based on vt_find_locations in
 907         var-tracking.c.
 908
 909         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
 910
 911 2011-01-24  Nick Clifton  <nickc@redhat.com>
 912
 913         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
 914         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
 915         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
 916         then define __v850e1__.
 917         * doc/invoke.texi: Document -mv850es.
 918
 919 2011-01-24  Richard Henderson  <rth@redhat.com>
 920
 921         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
 922         compound unordered comparisons.
 923         * config/rx/rx.c (rx_split_fp_compare): Remove.
 924         * config/rx/rx-protos.h: Update.
 925         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
 926         (cbranchsf4): Don't call rx_split_fp_compare.
 927         (*cbranchsf4): Use rx_split_cbranch.
 928         (*cmpsf): Don't accept "i" constraint.
 929         (*conditional_branch): Only valid after reload.
 930         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
 931
 932 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 933
 934         PR target/47385
 935         * config/rs6000/altivec.md (vector constant splitters): Add
 936         support for creating vector single precision constants if -mvsx is
 937         used and we would create the constant using Altivec primitives.
 938
 939 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
 940             Richard Sandiford  <rdsandiford@googlemail.com>
 941
 942         PR rtl-optimization/47166
 943         * reload1.c (emit_reload_insns): Disable the spill_reg_store
 944         mechanism for PRE_MODIFY and POST_MODIFY.
 945         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
 946         reloadreg.
 947
 948 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
 949
 950         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
 951
 952 2011-01-22  Jan Hubicka  <jh@suse.cz>
 953
 954         PR lto/47333
 955         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
 956
 957 2011-01-22  Jan Hubicka  <jh@suse.cz>
 958
 959         PR tree-optimization/43884
 960         PR lto/44334
 961         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
 962         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
 963
 964 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
 965
 966         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
 967         * config/s390/s390.c (s390_register_move_cost,
 968         s390_memory_move_cost): New.
 969         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
 970
 971 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 972
 973         PR middle-end/47401
 974         * except.c (sjlj_assign_call_site_values): Move setting the
 975         crtl->uses_eh_lsda flag to ...
 976         (sjlj_mark_call_sites): ... here.
 977         (sjlj_emit_function_enter): Support NULL dispatch label.
 978         (sjlj_build_landing_pads): In a function with no landing pads
 979         that still has must-not-throw regions, generate code to register
 980         a personality function with empty LSDA.
 981
 982 2011-01-21  Richard Henderson  <rth@redhat.com>
 983
 984         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
 985
 986         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
 987
 988         * compare-elim.c: New file.
 989         * Makefile.in (OBJS-common): Add it.
 990         (compare-elim.o): New.
 991         * common.opt (fcompare-elim): New.
 992         * opts.c (default_options_table): Add OPT_fcompare_elim.
 993         * tree-pass.h (pass_compare_elim_after_reload): New.
 994         * passes.c (init_optimization_passes): Add it.
 995         * recog.h: Protect against re-inclusion.
 996         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
 997         * doc/invoke.texi (-fcompare-elim): Document it.
 998         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
 999         * doc/tm.texi: Rebuild.
1000
1001 2011-01-22  Nick Clifton  <nickc@redhat.com>
1002
1003         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1004         rx_split_fp_compare.
1005
1006 2011-01-22  Nick Clifton  <nickc@redhat.com>
1007
1008         * config/rx/rx.md (UNSPEC_CONST): New.
1009         (deallocate_and_return): Wrap the amount popped off the stack in
1010         an UNSPEC_CONST in order to stop it being rejected by
1011         -mmax-constant-size.
1012         (pop_and_return): Add a "(return)" rtx.
1013         (call): Drop the immediate operand.
1014         (call_internal): Likewise.
1015         (call_value): Likewise.
1016         (call_value_internal): Likewise.
1017         (sibcall_internal): Likewise.
1018         (sibcall_value_internal): Likewise.
1019         (sibcall): Likewise.  Generate an explicit call using
1020         sibcall_internal.
1021         (sibcall_value): Likewise.
1022         (mov<>): FAIL if a constant operand is not legitimate.
1023         (addsi3_unpsec): New pattern.
1024
1025         * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
1026         CONSTs.
1027         (ok_for_max_constant): New function.
1028         (gen_safe_add): New function.
1029         (rx_expand_prologue): Use gen_safe_add.
1030         (rx_expand_epilogue): Likewise.
1031         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1032         UNSPEC CONSTs.
1033
1034 2011-01-21  Jeff Law  <law@redhat.com>
1035
1036         PR tree-optimization/47053
1037         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1038         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1039         statements are deleted.
1040         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1041         is nonempty, then purge dead edges and cleanup the CFG.
1042
1043 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1044
1045         PR debug/47402
1046         Temporarily revert:
1047         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1048         PR debug/47106
1049         * tree-dfa.c (create_var_ann): Mark variable as used.
1050
1051 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1052
1053         PR middle-end/45566
1054         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1055         notes from other section in hot/cold partitioning even if
1056         last_action is -3.  Increment call_site_base.
1057
1058         PR rtl-optimization/47366
1059         * fwprop.c (forward_propagate_into): Return bool.  If
1060         any changes are made, -fnon-call-exceptions is used and
1061         REG_EH_REGION note is present, call purge_dead_edges
1062         and return true if it purged anything.
1063         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1064         any EH edges were purged.
1065
1066 2011-01-21  Jeff Law  <law@redhat.com>
1067
1068         PR rtl-optimization/41619
1069         * caller-save.c (setup_save_areas): Break out code to determine
1070         which hard regs are live across calls by examining the reload chains
1071         so that it is always used.
1072         Eliminate code which checked REG_N_CALLS_CROSSED.
1073
1074 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1075
1076         PR tree-optimization/47355
1077         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1078         NOP has non-debug uses beyond PHIs in new_bb.
1079
1080 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1081
1082         PR debug/47106
1083         * cfgexpand.c (account_used_vars_for_block): Only account vars
1084         that are annotated as used.
1085         (estimated_stack_frame_size): Don't set TREE_USED.
1086         * tree-dfa.c (create_var_ann): Mark variable as used.
1087
1088 2011-01-21  Richard Guenther  <rguenther@suse.de>
1089
1090         PR middle-end/47395
1091         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1092
1093 2011-01-21  Richard Guenther  <rguenther@suse.de>
1094
1095         PR tree-optimization/47365
1096         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1097         (vn_reference_lookup_pieces): Adjust.
1098         (vn_reference_lookup): Likewise.
1099         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1100         (vn_reference_lookup_3): Only look through kills if in
1101         VN_WALKREWRITE mode.
1102         (vn_reference_lookup_pieces): Adjust.
1103         (vn_reference_lookup): Likewise.
1104         (visit_reference_op_load): Likewise.
1105         (visit_reference_op_store): Likewise.
1106         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1107         (compute_avail): Likewise.
1108         (eliminate): Likewise.
1109
1110 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1111
1112         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1113         DECL_IGNORED_P non-reg vars if they are used.
1114
1115         PR tree-optimization/47391
1116         * varpool.c (const_value_known_p): Return false if
1117         decl is volatile.
1118
1119 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1120
1121         PR bootstrap/47215
1122         * config/i386/i386.c (ix86_local_alignment): Handle
1123         case for va_list_type_node is nil.
1124         (ix86_canonical_va_list_type): Likewise.
1125
1126 2011-01-21  Alan Modra  <amodra@gmail.com>
1127
1128         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1129         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1130
1131 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1132
1133         * config/arm/arm.md (define_attr type): Rename f_load
1134         and f_store to f_fpa_load and f_fpa_store. Update.
1135         (write_conflict): Deal with rename fallout.
1136         (*push_fp_multi): Likewise.
1137         * config/arm/fpa.md (f_load): Use f_fpa_load.
1138         (f_store): Use f_fpa_store.
1139         (*movsf_fpa): Likewise.
1140         (*movdf_fpa): Likewise.
1141         (*movxf_fpa): Likewise.
1142         (*thumb2_movsf_fpa): Likewise.
1143         (*thumb2_movdf_fpa): Likewise.
1144         (*thumb2_movxf_fpa): Likewise.
1145         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1146         f_loadd and f_stored.
1147         (*thumb2_movdi_vfp): Likewise.
1148         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1149         (*thumb2_movsi_vfp): Likewise.
1150         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1151         Use f_loads instead of f_load.
1152         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1153
1154 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1155
1156         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1157         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1158         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1159         (xtensa_mode_dependent_address_p): New function.
1160         (constantpool_address_p): Make static. Change return type to bool.
1161         Change argument type to const_rtx. Use CONST_INT_P predicate.
1162
1163 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1164
1165         PR debug/46583
1166         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1167
1168 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1169
1170         PR debug/47283
1171         * cfgexpand.c (expand_debug_expr): Instead of generating
1172         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1173         etc. handling.
1174
1175 2011-01-20  Richard Guenther  <rguenther@suse.de>
1176
1177         PR middle-end/47370
1178         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1179         the pointer operand of MEM_REFs.
1180
1181 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1182
1183         PR tree-optimization/46130
1184         * ipa-split.c (consider_split): If return_bb contains non-virtual
1185         PHIs other than for retval or if split_function would not adjust it,
1186         refuse to split.
1187
1188 2011-01-20  Richard Guenther  <rguenther@suse.de>
1189
1190         PR tree-optimization/47167
1191         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1192         Revert previous change, only avoid enumeral type changes.
1193
1194 2011-01-19  Mike Stump  <mikestump@comcast.net>
1195
1196         * doc/tm.texi.in (BRANCH_COST): Englishify.
1197         * doc/tm.texi (BRANCH_COST): Likewise.
1198
1199 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1200
1201         PR c++/47291
1202         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1203         (gen_scheduled_generic_parms_dies): New functions.
1204         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1205         generation for the end of CU compilation.
1206         (dwarf2out_finish): Generate template parameters DIEs here.
1207
1208 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1209
1210         PR debug/46240
1211         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1212         debug bind stmt on merge edges.
1213
1214 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1215
1216         PR debug/47079
1217         PR debug/46724
1218         * function.c (instantiate_expr): Instantiate incoming rtl of
1219         implicit arguments, and recurse on VALUE_EXPRs.
1220         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1221         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1222
1223 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1224
1225         * c-parser.c (c_parser_for_statement): Initialize
1226         collection_expression.
1227
1228 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1229
1230         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1231
1232 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1233
1234         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1235         (LINK_SHLIB_SPEC): Don't use %(link_path).
1236         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1237
1238 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1239
1240         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1241         (NO_SHARED_LIB_SUPPORT): Remove.
1242         (LINK_SHLIB_SPEC): Remove one conditional definition.
1243
1244 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1245
1246         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1247         %{call_shared}.
1248         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1249         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1250         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1251         %{call_shared} and conditionals on these options not being passed.
1252         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1253         %{call_shared}.
1254
1255 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1256
1257         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1258         simplify.
1259
1260         * ipa-split.c: Spelling fixes.
1261
1262 2011-01-19  Richard Henderson  <rth@redhat.com>
1263
1264         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1265         (*mulsi3): Likewise.
1266
1267         * longlong.h [__mn10300__] (count_leading_zeros): New.
1268         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1269         [__mn10300__] (add_ssaaaa, subddmmss): New.
1270         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1271         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1272
1273 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1274
1275         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1276
1277 2011-01-19  Richard Henderson  <rth@redhat.com>
1278
1279         * config/mn10300/mn10300.md (addsi3_flags): New.
1280         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1281         (subsi3_flags, subc_internal, subdi3): New.
1282         (subdi3_internal, *subdi3_degenerate): New.
1283         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1284
1285         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1286         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1287         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1288         * config/mn10300/mn10300-protos.h: Update.
1289         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1290         (return_ret): Likewise.  Rename from return_internal_regs.
1291         (return_internal): Remove.
1292
1293         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1294         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1295         (mn10300_legitimate_constant_p): Likewise.
1296         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1297         (mn10300_frame_size): New.
1298         (mn10300_expand_prologue): Use it.
1299         (mn10300_expand_epilogue): Likewise.
1300         (mn10300_initial_offset): Likewise.
1301         * config/mn10300/mn10300-protos.h: Update.
1302         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1303         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1304         (prologue, epilogue, return_internal): Tidy output code.
1305         (mn10300_store_multiple_operation, return): Likewise.
1306         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1307         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1308         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1309         (load_pic, am33_load_pic): New.
1310         (mn10300_load_pic0, mn10300_load_pic1): New.
1311
1312         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1313         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1314         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1315         (cc_flags_for_mode, cc_flags_for_code): New.
1316         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1317         overflow flag is not valid.  Validate that the flags we need
1318         for the comparison are valid.
1319         (mn10300_output_cmp): Remove.
1320         (mn10300_output_add): New.
1321         (mn10300_select_cc_mode): Use cc_flags_for_code.
1322         (mn10300_split_cbranch): New.
1323         (mn10300_match_ccmode): New.
1324         (mn10300_split_and_operand_count): New.
1325         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1326         to the function.
1327         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1328         (addsi3): ... here.  Use mn10300_output_add.
1329         (*addsi3_flags): New.
1330         (*am33_subsi3, *mn10300_subsi3): Merge...
1331         (subsi3): ... here.  Use attribute isa.
1332         (*subsi3_flags): New.
1333         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1334         when possible.
1335         (*am33_andsi3, *mn10300_andsi3): Merge...
1336         (andsi3): ... here.
1337         (*andsi3_flags): New.
1338         (andsi3 splitters): New.
1339         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1340         (iorsi3): ... here.
1341         (*iorsi3_flags): New.
1342         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1343         (xorsi3): ... here.
1344         (*xorsi3_flags): New.
1345         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1346         (one_cmplsi2): ... here.
1347         (*one_cmplsi2_flags): New.
1348         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1349         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1350         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1351         use matching constraints to eliminate a self-comparison.
1352         (*integer_conditional_branch): Rename from integer_conditional_branch.
1353         Use int_mode_flags to match CC_REG.
1354         (*cbranchsi4_btst, *btstsi): New.
1355         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1356         mn10300_split_cbranch.
1357         (*am33_cmpsf): Rename from am33_cmpsf.
1358         (*float_conditional_branch): Rename from float_conditional_branch.
1359         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1360         (zero_extendqisi2): ... here.
1361         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1362         (zero_extendhisi2): ... here.
1363         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1364         (extendqisi2): ... here.
1365         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1366         (extendhisi2): ... here.
1367         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1368         (ashlsi3): ... here.
1369         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1370         (lshrsi3): ... here.
1371         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1372         (ashrsi3): ... here.
1373         (consecutive add peephole): Remove.
1374         * config/mn10300/predicates.md (label_ref_operand): New.
1375         (int_mode_flags): New.
1376         (CCZN_comparison_operator): New.
1377
1378         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1379         (throughput_42_latency_43): New reservation.
1380         (mulsidi3, umulsidi3): New expanders.
1381         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1382         the MDR register to allocation; separately allocate the low and
1383         high parts of the DImode result.
1384         (umulsidi3_internal): Similarly.
1385         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1386         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1387         (udivsi3, umodsi3): Remove.
1388         (udivmodsi4, divmodsi4): New expanders.
1389         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1390         (*divmodsi4): Simiarly.
1391         (ext_internal): New.
1392
1393         * config/mn10300/constraints.md ("z"): New constraint.
1394         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1395         (FIXED_REGISTERS): Don't fix MDR.
1396         (CALL_USED_REGSITERS): Reformat nicely.
1397         (REG_ALLOC_ORDER): Add MDR.
1398         (enum regclass): Add MDR_REGS.
1399         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1400         (IRA_COVER_CLASSES): Add MDR_REGS.
1401         (REGNO_REG_CLASS): Handle MDR_REG.
1402         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1403         (mn10300_register_move_cost): Likewise.
1404         * config/mn10300/mn10300.md (MDR_REG): New.
1405         (*movsi_internal): Handle moves to/from MDR_REGS.
1406
1407         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1408         POST_MODIFY.
1409         (mn10300_secondary_reload): Tidy combination reload classes.
1410         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1411         addresses for AM33.  Allow symbolic offsets for reg+imm.
1412         (mn10300_regno_in_class_p): New.
1413         (mn10300_legitimize_reload_address): New.
1414         * config/mn10300/mn10300.h (enum reg_class): Remove
1415         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1416         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1417         SP_OR_GENERAL_REGS.
1418         (REG_CLASS_NAMES): Update to match.
1419         (REG_CLASS_CONTENTS): Likewise.
1420         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1421         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1422         (REGNO_IN_RANGE_P): Remove.
1423         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1424         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1425         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1426         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1427         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1428         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1429         (REGNO_GENERAL_P): New.
1430         (HAVE_POST_MODIFY_DISP): New.
1431         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1432         (LEGITIMIZE_RELOAD_ADDRESS): New.
1433         * config/mn10300/mn10300-protos.h: Update.
1434
1435         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1436         DATA_REGS for AM33 stack-pointer destination.
1437         (mn10300_preferred_output_reload_class): Likewise.
1438         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1439         into a form appropriate for ...
1440         (TARGET_SECONDARY_RELOAD): New.
1441         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1442         * config/mn10300/mn10300-protos.h: Update.
1443         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1444         reload_insi; use the "A" constraint for the scratch; handle AM33
1445         moves of sp to non-address registers.
1446
1447         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1448         (*movqi_internal): ... here.
1449         (*am33_movhi, *mn10300_movhi): Merge into...
1450         (*movhi_internal): ... here.
1451         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1452         as the source/destination of moves from/to SP.
1453         (movsf): Only allow for AM33-2.
1454         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1455         any integer constant constraint.  Only allow for AM33-2.  Tidy
1456         all of the alternative outputs.
1457         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1458         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1459         for MN103.
1460         (udivsi3, umodsi3): New patterns for MN103 only.
1461
1462 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1463
1464         * doc/tm.texi.in: Spell out that a lack of register class unions
1465         can lead to ICEs.
1466         * doc/tm.texi: Regenerate.
1467
1468 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1469
1470         PR rtl-optimization/47337
1471         * dce.c (check_argument_store): New function.
1472         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1473
1474         PR tree-optimization/47290
1475         * tree-eh.c (infinite_empty_loop_p): New function.
1476         (cleanup_empty_eh): Use it.
1477
1478 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1479
1480         PR target/46997
1481         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1482         (a64_expand_widen_sum): Ditto.
1483         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1484         (vec_extract_evenodd_help): Ditto.
1485         (vec_extract_evenv4hi): Ditto.
1486         (vec_extract_oddv4hi): Ditto.
1487         (vec_extract_evenv2si): Ditto.
1488         (vec_extract_oddv2si): Ditto.
1489         (vec_extract_evenv2sf): Ditto.
1490         (vec_extract_oddv2sf): Ditto.
1491         (vec_pack_trunc_v4hi: Ditto.
1492         (vec_pack_trunc_v2si): Ditto.
1493         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1494         (vec_interleave_highv8qi): Ditto.
1495         (mix1_r): Ditto.
1496         (vec_extract_oddv8qi): Ditto.
1497         (vec_interleave_lowv4hi): Ditto.
1498         (vec_interleave_highv4hi): Ditto.
1499         (vec_interleave_lowv2si): Ditto.
1500         (vec_interleave_highv2si): Ditto.
1501
1502 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1503
1504         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1505         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1506         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1507         (pa_c_mode_for_suffix): New.
1508         (TARGET_EXPAND_BUILTIN): Define.
1509         (TARGET_C_MODE_FOR_SUFFIX): Define.
1510         (pa_builtins): Define.
1511         (pa_init_builtins): Register __float128 type and init new support
1512         builtins.
1513         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1514         * config/pa/quadlib.c (_U_Qfcopysign): New.
1515
1516 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1517
1518         PR middle-end/46894
1519         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1520         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1521         are defined.
1522
1523 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1524
1525         PR tree-optimization/47179
1526         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1527         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1528
1529 2011-01-18  Richard Guenther  <rguenther@suse.de>
1530
1531         PR rtl-optimization/47216
1532         * emit-rtl.c: Include tree-flow.h.
1533         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1534         of replicating it with different semantics.
1535         * Makefile.in (emit-rtl.o): Adjust.
1536
1537 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1538
1539         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
1540         include.
1541         (cortex_a9_dp): Handle neon types correctly.
1542
1543 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR rtl-optimization/47299
1546         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1547         subtarget.  Use normal multiplication if both operands are
1548         constants.
1549         * expmed.c (expand_widening_mult): Don't try to optimize constant
1550         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1551         before using it.
1552
1553 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1554
1555         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1556         spacing after 'e.g.', typos, comma, hyphenation.
1557
1558 2011-01-17  Richard Henderson  <rth@redhat.com>
1559
1560         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1561         (rx_restricted_mem_operand): New.
1562         (rx_shift_operand): Use register_operand.
1563         (rx_source_operand, rx_compare_operand): Likewise.
1564         * config/rx/rx.md (addsi3_flags): New expander.
1565         (adddi3): Rewrite as expander.
1566         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1567         (subsi3_flags): New expander.
1568         (subdi3): Rewrite as expander.
1569         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1570
1571         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1572         (rx_init_builtins): Remove sat builtin.
1573         (rx_expand_builtin): Likewise.
1574         * config/rx/rx.md (ssaddsi3): New.
1575         (*sat): Rename from sat.  Represent the CC_REG input.
1576
1577         * config/rx/predicates.md (rshift_operator): New.
1578         * config/rx/rx.c (rx_expand_insv): Remove.
1579         * config/rx/rx-protos.h: Update.
1580         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1581         operand to the canonical position.
1582         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1583         (*bitclr, *bitclr_in_memory): Similarly.
1584         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1585         (insv): Retain the zero_extract in the expansion.
1586
1587         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1588         (bswaphi2, bitinvert, revw): Likewise.
1589
1590         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1591         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1592         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1593         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1594         (bitset, bitset_in_memory): Likewise.
1595         (bitinvert, bitinvert_in_memory): Likewise.
1596         (bitclr, bitclr_in_memory): Likewise.
1597         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1598         (rx_strend, rx_cmpstrn): Likewise.
1599         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1600         (bitop peep2 patterns): Remove.
1601
1602         * config/rx/rx.c (rx_match_ccmode): New.
1603         * config/rx/rx-protos.h: Update.
1604         * config/rx/rx.md (abssi2): Clobber, don't set flags.
1605         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
1606         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
1607         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
1608         (fix_truncsfsi2, floatsisf2): Likewise.
1609         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
1610         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
1611         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
1612         (*subsi3_flags, *xorsi3_flags): New.
1613
1614         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
1615
1616         * config/rx/rx.c (rx_print_operand): Remove workaround for
1617         unsplit comparison operations.
1618
1619         * config/rx/rx.md (movsicc): Split after reload.
1620         (*movsicc): Merge *movsieq and *movsine via match_operator.
1621         (*stcc): New pattern.
1622
1623         * config/rx/rx.c (rx_float_compare_mode): Remove.
1624         * config/rx/rx.h (rx_float_compare_mode): Remove.
1625         * config/rx/rx.md (cstoresi4): Split after reload.
1626         (*sccc): New pattern.
1627
1628         * config/rx/predicates.md (label_ref_operand): New.
1629         (rx_z_comparison_operator): New.
1630         (rx_zs_comparison_operator): New.
1631         (rx_fp_comparison_operator): New.
1632         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
1633         Validate that the flags are set properly for the comparison.
1634         (rx_gen_cond_branch_template): Remove.
1635         (rx_cc_modes_compatible): Remove.
1636         (mode_from_flags): New.
1637         (flags_from_code): Rename from flags_needed_for_conditional.
1638         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
1639         (rx_select_cc_mode): Likewise.
1640         (rx_split_fp_compare): New.
1641         (rx_split_cbranch): New.
1642         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
1643         (*cbranchsi4): Use match_operator and rx_split_cbranch.
1644         (*cbranchsf4): Similarly.
1645         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
1646         match_operator and rx_split_cbranch.
1647         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
1648         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
1649         (*cmpsi): Rename from cmpsi.
1650         (*tstsi): Rename from tstsi.
1651         (*cmpsf): Rename from cmpsf; use CC_Fmode.
1652         (*conditional_branch): Rename from conditional_branch.
1653         (*reveresed_conditional_branch): Remove.
1654         (b<code>): Remove expander.
1655         * config/rx/rx-protos.h: Update.
1656
1657         * config/rx/rx.c (rx_compare_redundant): Remove.
1658         * config/rx/rx.md (cmpsi): Don't use it.
1659         * config/rx/rx-protos.h: Update.
1660
1661         * config/rx/rx-modes.def (CC_F): New mode.
1662         * config/rx/rx.c (rx_select_cc_mode): New.
1663         * config/rx/rx.h (SELECT_CC_MODE): Use it.
1664         * config/rx/rx-protos.h: Update.
1665
1666 2011-01-17  Richard Henderson  <rth@redhat.com>
1667
1668         * except.c (dump_eh_tree): Fix stray ; after for statement.
1669
1670 2011-01-17  Richard Guenther  <rguenther@suse.de>
1671
1672         PR tree-optimization/47313
1673         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
1674         handling before copying the body.  Properly deal with
1675         by-reference result in SSA form.
1676
1677 2011-01-17  Ian Lance Taylor  <iant@google.com>
1678
1679         PR target/47219
1680         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
1681         (struct_value_alias_set): Don't define.
1682         (sparc_option_override): Don't set sparc_sr_alias_set and
1683         struct_value_alias_set.
1684         (save_or_restore_regs): Use gen_frame_mem rather than calling
1685         set_mem_alias_set.
1686         (sparc_struct_value_rtx): Likewise.
1687
1688 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1689
1690         PR target/47318
1691         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
1692         __m128i.
1693         (_mm_maskstore_pd): Likewise.
1694         (_mm_maskload_ps): Likewise.
1695         (_mm_maskstore_ps): Likewise.
1696         (_mm256_maskload_pd): Change mask to __m256i.
1697         (_mm256_maskstore_pd): Likewise.
1698         (_mm256_maskload_ps): Likewise.
1699         (_mm256_maskstore_ps): Likewise.
1700
1701         * config/i386/i386-builtin-types.def: Updated.
1702         (ix86_expand_special_args_builtin): Likewise.
1703
1704         * config/i386/i386.c (bdesc_special_args): Update
1705         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
1706         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
1707         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
1708         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
1709
1710         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
1711         Use <avxpermvecmode> on mask register.
1712         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
1713
1714 2011-01-17  Olivier Hainque  <hainque@adacore.com>
1715             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1716             Eric Botcazou  <ebotcazou@adacore.com>
1717
1718         PR target/46655
1719         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
1720         if <= USHRT_MAX in 32-bit mode.
1721
1722 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1723
1724         * doc/install.texi (Configuration, Specific): Wrap long
1725         lines in examples.  Allow line wrapping in long options
1726         and URLs where beneficial for PDF output.
1727
1728 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
1729
1730         * config/mips/mips.c (mips_classify_symbol): Don't return
1731         SYMBOL_PC_RELATIVE for nonlocal labels.
1732
1733 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
1734
1735         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
1736
1737 2011-01-15  Jan Hubicka  <jh@suse.cz>
1738
1739         PR tree-optimization/47276
1740         * ipa.c (function_and_variable_visibility): Do not try to mark alias
1741         declarations as needed.
1742
1743 2011-01-15  Martin Jambor  <mjambor@suse.cz>
1744
1745         * common.opt (fdevirtualize): New flag.
1746         * doc/invoke.texi (Option Summary): Document it.
1747         * opts.c (default_options_table): Add devirtualize flag.
1748         * ipa-prop.c (detect_type_change): Return immediately if
1749         devirtualize flag is not set.
1750         (detect_type_change_ssa): Likewise.
1751         (compute_known_type_jump_func): Likewise.
1752         (ipa_analyze_virtual_call_uses): Likewise.
1753
1754 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1755
1756         PR tree-optimization/45934
1757         PR tree-optimization/46302
1758         * ipa-prop.c (type_change_info): New type.
1759         (stmt_may_be_vtbl_ptr_store): New function.
1760         (check_stmt_for_type_change): Likewise.
1761         (detect_type_change): Likewise.
1762         (detect_type_change_ssa): Likewise.
1763         (compute_complex_assign_jump_func): Check for dynamic type change.
1764         (compute_complex_ancestor_jump_func): Likewise.
1765         (compute_known_type_jump_func): Likewise.
1766         (compute_scalar_jump_functions): Likewise.
1767         (ipa_analyze_virtual_call_uses): Likewise.
1768         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
1769
1770 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1771
1772         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
1773         * config/i386/i386.opt (msse5): New Alias.
1774
1775 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1776
1777         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1778         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1779         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1780         * config/sparc/sparc.h (CC1_SPEC): Likewise.
1781
1782 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1783
1784         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
1785         -mcpu options.
1786         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1787         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1788         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
1789         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
1790         Likewise.
1791         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
1792
1793 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1794
1795         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
1796         -fvec-eabi.
1797
1798 2011-01-14  Mike Stump  <mikestump@comcast.net>
1799
1800         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
1801         * config/fr30/fr30.md: Likweise
1802         (movsi_push): Likewise.
1803         (movsi_pop): Likewise.
1804         (enter_func): Likewise.
1805         * config/moxie/moxie.md (movsi_push): Likewise.
1806         (movsi_pop): Likewise.
1807
1808 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1809
1810         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
1811         %{no_archive} %{exact_version}.
1812         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
1813         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
1814         %{no_archive} %{exact_version}.
1815         * config/mips/openbsd.h (LINK_SPEC): Likewise.
1816         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
1817         * config/mips/vxworks.h: Likewise.
1818
1819 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1820
1821         * config/microblaze/microblaze.h (ASM_SPEC): Remove
1822         %{microblaze1}.
1823
1824 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1825
1826         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
1827         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
1828
1829 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1830
1831         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
1832         -nodefaultlib.
1833
1834 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1835
1836         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
1837         for mcpu not cpu.
1838         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
1839         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
1840         not cpu.
1841         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
1842         Don't handle -shlib.
1843
1844 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1845
1846         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
1847         (CC1_SPEC): Don't handle -profile.
1848
1849 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1850
1851         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
1852         * config/mips/mips.h (CC1_SPEC): Likewise.
1853
1854 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1855
1856         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
1857         * config/mips/mips.h (CC1_SPEC): Likewise.
1858
1859 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1860
1861         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
1862         * config/m32r/linux.h (LINK_SPEC): Likewise.
1863         * config/mips/linux.h (LINK_SPEC): Likewise.
1864         * config/mips/linux64.h (LINK_SPEC): Likewise.
1865         * config/sparc/linux.h (LINK_SPEC): Likewise.
1866         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1867         LINK_SPEC): Likewise.
1868         * config/xtensa/linux.h (LINK_SPEC): Likewise.
1869
1870 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1871
1872         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
1873         %{version:-v}.
1874         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
1875
1876 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1877
1878         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
1879         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
1880
1881 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1882
1883         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
1884
1885 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1886
1887         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
1888         supports -Bstatic/-Bdynamic.
1889         * configure: Regenerate.
1890
1891 2011-01-14  Jan Hubicka  <jh@suse.cz>
1892         Jack Howarth <howarth@bromo.med.uc.edu>
1893
1894         PR target/46037
1895         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
1896         when checking debug_info_level. Test write_symbols instead of
1897         debug_hooks->var_location when setting flag_var_tracking_uninit.
1898
1899 2011-01-14  Richard Guenther  <rguenther@suse.de>
1900
1901         PR tree-optimization/47179
1902         * target.def (ref_may_alias_errno): New target hook.
1903         * targhooks.h (default_ref_may_alias_errno): Declare.
1904         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
1905         (default_ref_may_alias_errno): New function.
1906         * target.h (struct ao_ref_s): Declare.
1907         * tree-ssa-alias.c: Include target.h.
1908         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
1909         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
1910         (targhooks.o): Likewise.
1911         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
1912         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
1913
1914 2011-01-14  Richard Guenther  <rguenther@suse.de>
1915
1916         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
1917
1918 2011-01-14  Richard Guenther  <rguenther@suse.de>
1919
1920         PR tree-optimization/47280
1921         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
1922         return CFG changes.
1923         (tree_ssa_forward_propagate_single_use_vars): Deal with
1924         CFG changes from associate_plusminus.
1925
1926 2011-01-14  Richard Guenther  <rguenther@suse.de>
1927
1928         PR middle-end/47281
1929         Revert
1930         2011-01-11  Richard Guenther  <rguenther@suse.de>
1931
1932         PR tree-optimization/46076
1933         * tree-ssa.c (useless_type_conversion_p): Conversions from
1934         unprototyped to empty argument list function types are useless.
1935
1936 2011-01-14  Richard Guenther  <rguenther@suse.de>
1937
1938         PR tree-optimization/47286
1939         * tree-ssa-structalias.c (new_var_info): Register variables are global.
1940
1941 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1942
1943         PR middle-end/46823
1944         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
1945
1946 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
1947
1948         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
1949         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1950         * config/xtensa/xtensa.c (xtensa_libcall_value,
1951         xtensa_function_value_regno_p): New functions.
1952         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
1953
1954 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
1955
1956         PR c++/47213
1957         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
1958         PE specific hook.
1959         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
1960         New function prototype.
1961         * config/i386/winnt.c (i386_pe_assemble_visibility):
1962         Warn only if attribute was specified by user.
1963
1964 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1965
1966         PR target/47251
1967         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
1968         floating point.
1969         (floatunsdidf2_fcfidu): Ditto.
1970
1971 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1972
1973         * config/s390/s390.c (print_operand_address): Replace 'error' with
1974         'output_operand_lossage'.
1975         (print_operand): Likewise.
1976
1977 2011-01-13  Jeff Law  <law@redhat.com>
1978
1979         PR rtl-optimization/39077
1980         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
1981         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
1982         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
1983         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
1984         * gcse.c (prune_insertions_deletions): New function.
1985         (compute_pre_data): Use it.
1986
1987 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
1988
1989         PR debug/PR46973
1990         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
1991         static function.
1992         (prune_unused_types_mark): Use it.
1993
1994 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
1995
1996         PR rtl-optimization/45352
1997         * sel-sched.c: Update copyright years.
1998         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
1999         in the advancing loop when we have issued issue_rate insns.
2000
2001 2011-01-12  Richard Henderson  <rth@redhat.com>
2002
2003         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2004         (TARGET_MD_ASM_CLOBBERS): New.
2005
2006         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2007         (TARGET_DELEGITIMIZE_ADDRESS): New.
2008
2009         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2010         (clzsi2, *bsch): New patterns.
2011
2012         * config/mn10300/mn10300.md (INT): New mode iterator.
2013         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2014
2015         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2016         flag_split_wide_types.
2017
2018         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2019         (mn10300_trampoline_init): Rewrite without a template, an immediate
2020         load and a direct branch.
2021         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2022
2023 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2024
2025         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2026         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2027         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2028         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2029
2030 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2031
2032         PR debug/47209
2033         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2034         of type.
2035
2036 2011-01-12  Jan Hubicka  <jh@suse.cz>
2037
2038         PR driver/47244
2039         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2040         (PLUGIN_COND_CLOSE): New macro.
2041         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2042
2043 2011-01-12  Richard Guenther  <rguenther@suse.de>
2044
2045         PR lto/47259
2046         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2047         register variables in a MEM_REF.
2048
2049 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2050
2051         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2052         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2053         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2054         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2055         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2056         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2057         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2058         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2059         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2060         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2061         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2062         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2063         * config/gnu-user.h: New.  Copied from linux.h.
2064         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2065         GNU_USER_TARGET_STARTFILE_SPEC.
2066         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2067         GNU_USER_TARGET_ENDFILE_SPEC.
2068         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2069         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2070         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2071         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2072         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2073         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2074         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2075         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2076         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2077         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2078         * config/arm/linux-eabi.h (CC1_SPEC): Use
2079         GNU_USER_TARGET_CC1_SPEC.
2080         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2081         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2082         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2083         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2084         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2085         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2086         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2087         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2088
2089 2011-01-12  Richard Guenther  <rguenther@suse.de>
2090
2091         PR other/46946
2092         * doc/invoke.texi (ffast-math): Document it is turned on
2093         with -Ofast.
2094
2095 2011-01-12  Jan Hubicka  <jh@suse.cz>
2096
2097         PR tree-optimization/47233
2098         * opts.c (common_handle_option): Disable ipa-reference with profile
2099         feedback.
2100
2101 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2102
2103         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2104         error message.
2105
2106 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2107
2108         * c-parser.c (c_lex_one_token): Updated and reindented some
2109         comments.  No changes in code.
2110
2111 2011-01-11  Ian Lance Taylor  <iant@google.com>
2112
2113         * godump.c (go_output_var): Don't output the variable if there is
2114         already a type with the same name.
2115
2116 2011-01-11  Ian Lance Taylor  <iant@google.com>
2117
2118         * godump.c (go_format_type): Don't generate float80.
2119
2120 2011-01-11  Richard Henderson  <rth@redhat.com>
2121
2122         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2123         declaration.  Rewrite for both speed and size.
2124         (mn10300_address_cost_1): Remove.
2125         (mn10300_register_move_cost): New.
2126         (mn10300_memory_move_cost): New.
2127         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2128         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2129         extensions, shifts, BSWAP, CLZ.
2130         (mn10300_wide_const_load_uses_clr): Remove.
2131         (TARGET_REGISTER_MOVE_COST): New.
2132         (TARGET_MEMORY_MOVE_COST): New.
2133         * config/mn10300/mn10300-protos.h: Update.
2134         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2135
2136         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2137         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2138         * config/mn10300/mn10300-protos.h: Update.
2139         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2140         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2141         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2142         (*test_int_bitfield, *test_byte_bitfield): Remove.
2143         (*bit_test, *subreg_bit_test): Remove.
2144         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2145
2146         * config/mn10300/constraints.md ("c"): Rename from "A".
2147         ("A", "D"): New constraint letters.
2148         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2149         (fmssf4, fnmasf4, fnmssf4): Likewise.
2150
2151         * config/mn10300/mn10300.md (isa): New attribute.
2152         (enabled): New attribute.
2153
2154         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2155         (abssf2, negsf2): Define only for hardware fp.
2156         (sqrtsf2): Reformat.
2157         (addsf3, subsf3, mulsf3): Merge expander and insn.
2158
2159         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2160         (DEBUGGER_AUTO_OFFSET): Remove.
2161         (DEBUGGER_ARG_OFFSET): Remove.
2162
2163         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2164         Emit register stores with the same offsets as the hardware.
2165         (mn10300_store_multiple_operation): Don't check that the register
2166         save offsets are monotonic.
2167         * config/mn10300/mn10300-protos.h: Update.
2168
2169         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2170
2171         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2172         in terms of the value on the stack, not the MDR register.
2173
2174 2011-01-11  Jan Hubicka  <jh@suse.cz>
2175
2176         PR lto/45721
2177         PR lto/45375
2178         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2179         (symbol_alias_set_destroy, symbol_alias_set_contains,
2180         propagate_aliases_backward): Declare.
2181         * lto-streamer-out.c (struct sets): New sturcture.
2182         (trivally_defined_alias): New function.
2183         (output_alias_pair_p): Rewrite.
2184         (output_unreferenced_globals): Fix output of alias pairs.
2185         (produce_symtab): Likewise.
2186         * ipa.c (function_and_variable_visibility): Set weak alias destination
2187         as needed in lto.
2188         * varasm.c (symbol_alias_set_t): Remove.
2189         (symbol_alias_set_destroy): Export.
2190         (propagate_aliases_forward, propagate_aliases_backward): New functions
2191         based on ...
2192         (compute_visible_aliases): ... this one; remove.
2193         (trivially_visible_alias): New
2194         (trivially_defined_alias): New.
2195         (remove_unreachable_alias_pairs): Rewrite.
2196         (finish_aliases_1): Reorganize code checking if alias is defined.
2197         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2198         in LTO mode.
2199
2200 2011-01-11  Richard Guenther  <rguenther@suse.de>
2201
2202         PR tree-optimization/46076
2203         * tree-ssa.c (useless_type_conversion_p): Conversions from
2204         unprototyped to empty argument list function types are useless.
2205
2206 2011-01-11  Richard Guenther  <rguenther@suse.de>
2207
2208         PR middle-end/45235
2209         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2210         volatile MEMs as MEM_READONLY_P.
2211
2212 2011-01-11  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/47239
2215         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2216
2217 2011-01-11  Jeff Law  <law@redhat.com>
2218
2219         PR tree-optimization/47086
2220         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2221         IVs from statements that might throw.
2222
2223 2011-01-10  Jan Hubicka  <jh@suse.cz>
2224
2225         PR lto/45375
2226         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2227
2228 2011-01-10  Jan Hubicka  <jh@suse.cz>
2229
2230         PR lto/45375
2231         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2232         when correcting profile.
2233
2234 2011-01-10  Jan Hubicka  <jh@suse.cz>
2235
2236         PR lto/46083
2237         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2238         DECL_FINI_PRIORITY.
2239         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2240         Restore DECL_FINI_PRIORITY.
2241
2242 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2243
2244         * doc/gimple.texi: Fix quoting of multi-word return values in
2245         @deftypefn statements.  Ensure presence of return value.  Wrap
2246         overlong @deftypefn lines.
2247         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2248         descriptions of removed functions.
2249         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2250         of multi-word return value in @deftypefn statement.
2251
2252 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2253
2254         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2255         (Conditional Expressions, Logical Operators)
2256         (Statement and operand traversals): Do not indent smallexample
2257         code.  Fix duplicate function argument in example.
2258
2259 2011-01-10  Jeff Law  <law@redhat.com>
2260
2261         PR tree-optimization/47141
2262         * ipa-split.c (split_function): Handle case where we are
2263         returning a value and the return block has a virtual operand phi.
2264
2265 2011-01-10  Jan Hubicka  <jh@suse.cz>
2266
2267         PR tree-optimization/47234
2268         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2269         (pass_feedback_split_functions): Declare.
2270         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2271         tree-profile.
2272         * ipa-split.c (gate_split_functions): Update comments; disable
2273         split-functions for profile_arc_flag and branch_probabilities.
2274         (gate_feedback_split_functions): New function.
2275         (execute_feedback_split_functions): New function.
2276         (pass_feedback_split_functions): New global var.
2277
2278 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2279
2280         PR lto/46760
2281         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2282         calling gimple_call_set_cannot_inline.
2283
2284 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2285
2286         * config/darwin-sections.def: Remove unused section.
2287
2288 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2289
2290         PR c++/47218
2291         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2292
2293 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2294
2295         PR objc/47232
2296         * c-parser.c (c_parser_declaration_or_fndef): Improved
2297         error message.
2298
2299 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2300
2301         * config/i386/winnt.c (i386_pe_start_function): Make sure
2302         to switch back to function's section.
2303
2304 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2305
2306         PR gcc/46902
2307         PR testsuite/46912
2308         * plugin.c: Move include of dlfcn.h from here...
2309         * system.h: ... to here.
2310
2311 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2312
2313         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2314         file name.
2315         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2316         two extra empty pages in PDF output.
2317
2318 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2319
2320         PR objc/47078
2321         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2322         for error recovery purposes behave as if it was not specified so
2323         that the default type is usd.
2324
2325 2011-01-07  Jan Hubicka  <jh@suse.cz>
2326
2327         PR tree-optmization/46469
2328         * ipa.c (function_and_variable_visibility): Clear needed flags on
2329         nodes with external decls; handle weakrefs merging correctly.
2330
2331 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2332
2333         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2334         not false.
2335
2336 2011-01-07  Jan Hubicka  <jh@suse.cz>
2337
2338         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2339         and no longer claim that gold is required for linker plugin.
2340         * configure: Regenerate.
2341         * gcc.c (PLUGIN_COND): New macro.
2342         (LINK_COMMAND_SPEC): Use it.
2343         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2344         * config.in (HAVE_LTO_PLUGIN): New.
2345         * configure.ac (--with-lto-plugin): New parameter; autodetect
2346         HAVE_LTO_PLUGIN.
2347
2348 2011-01-07  Jan Hubicka  <jh@suse.cz>
2349
2350         PR tree-optimization/46367
2351         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2352         when we can update original.
2353         (cgraph_mark_inline_edge): Sanity check.
2354         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2355
2356 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2357
2358         * config/spu/spu.h (ASM_COMMENT_START): Define.
2359
2360 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2361
2362         PR driver/42445
2363         * gcc.c (%>S): New.
2364         (SWITCH_KEEP_FOR_GCC): Likewise.
2365         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2366         (do_spec_1): Handle "%>".
2367
2368         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2369
2370 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2371
2372         PR target/47201
2373         * config/i386/i386.c (ix86_delegitimize_address): If
2374         simplify_gen_subreg fails, return orig_x.
2375
2376         PR bootstrap/47187
2377         * value-prof.c (gimple_stringop_fixed_value): Handle
2378         lhs of the call properly.
2379
2380 2011-01-07  Jan Hubicka  <jh@suse.cz>
2381
2382         PR lto/45375
2383         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2384
2385 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2386
2387         * target.def (function_switched_text_sections): New hook.
2388         * doc/tm.texi: Regenerated.
2389         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2390         * final.c (default_function_switched_text_sections): New.
2391         (final_scan_insn): Call function_switched_text_sections when a
2392         mid-function section change occurs.
2393         * output.h (default_function_switched_text_sections): Declare.
2394         * config/darwin-protos.h (darwin_function_switched_text_sections):
2395         Likewise.
2396         * config/darwin.c (darwin_function_switched_text_sections): New.
2397         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2398
2399 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2400
2401         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2402         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2403         the secondary code fragment when outputting for DWARF == 2.
2404
2405 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2406
2407         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2408         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2409         Remove.
2410         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2411         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2412
2413 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2414
2415         PR debug/46704
2416         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2417         when it is not empty.
2418
2419 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2420
2421         Bobcat Enablement
2422         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2423         (case ${target}): Add btver1.
2424         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2425         -march=native recognize btver1 processors.
2426         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2427         btver1 def_and_undef
2428         * config/i386/i386.c (struct processor_costs btver1_cost): New
2429         btver1 cost table.
2430         (m_BTVER1): New definition.
2431         (m_AMD_MULTIPLE): Includes m_BTVER1.
2432         (initial_ix86_tune_features): Add btver1 tune.
2433         (processor_target_table): Add btver1 entry.
2434         (static const char *const cpu_names): Add btver1 entry.
2435         (software_prefetching_beneficial_p): Add btver1.
2436         (ix86_option_override_internal): Add btver1 instruction sets.
2437         (ix86_issue_rate): Add btver1.
2438         (ix86_adjust_cost): Add btver1.
2439         * config/i386/i386.h (TARGET_BTVER1): New definition.
2440         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2441         (enum processor_type): Add PROCESSOR_BTVER1.
2442         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2443
2444 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2445
2446         PR target/43309
2447         * config/i386/i386.c (legitimize_tls_address)
2448         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2449         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2450         (tls_initial_exec_64_sun): New pattern.
2451
2452 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2453
2454         * doc/invoke.texi (Overall Options): Improve wording and markup
2455         of the description of -wrapper.
2456
2457 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2458
2459         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2460         rdynamic, threads): New Driver options.
2461
2462 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2463
2464         PR target/38118
2465         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2466         if coming from .tdata.
2467         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2468
2469 2011-01-06  Jan Hubicka  <jh@suse.cz>
2470
2471         PR lto/47188
2472         * collect2.c (main): Do not enable LTOmode when plugin is active.
2473
2474 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2475
2476         PR other/45915
2477         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2478         --version output if supported.
2479         * configure: Regenerate.
2480
2481 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2482
2483         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2484         Driver options.
2485
2486 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2487
2488         PR c/47150
2489         * c-convert.c (convert): When converting a complex expression
2490         other than COMPLEX_EXPR to a different complex type, ensure
2491         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2492         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2493         when converting COMPLEX_TYPE.
2494
2495 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2496
2497         PR tree-optimization/47139
2498         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2499         only the last reduction value is used outside the loop.  Update
2500         documentation.
2501
2502 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2503
2504         * config/rtems.opt: New.
2505         * config.gcc (*-*-rtems*): Use rtems.opt.
2506
2507 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2508
2509         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2510         processors do not support 3DNow instructions.
2511
2512 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2513
2514         * config/spu/spu.c (spu_option_override): Set parameter
2515         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2516
2517 2011-01-05  Jan Hubicka  <jh@suse.cz>
2518
2519         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2520         at the command line.
2521
2522 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2523
2524         PR lto/47162
2525         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2526         deltas on streamed outgoing edges.
2527         (output_node_opt_summary): Output info for outgoing edges only when
2528         the node is in new parameter set.
2529         (output_cgraph_opt_summary): New parameter set, passed to the two
2530         aforementioned functions.  Update its forward declaration and its
2531         callee too.
2532
2533 2011-01-05  Tom Tromey  <tromey@redhat.com>
2534
2535         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2536         operator to c_finish_omp_atomic.
2537         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2538         (build_unary_op): Update.
2539         (build_modify_expr): Update.
2540         (build_asm_expr): Update.
2541
2542 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2543
2544         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2545         newly inserted insns.
2546         (pad_bb): Likewise.
2547         (spu_emit_branch_hint): Likewise.
2548         (insert_hbrp_for_ilb_runout): Likewise.
2549         (spu_machine_dependent_reorg): Call df_finish_pass after
2550         schedule_insns returns.
2551
2552 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2553
2554         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2555
2556 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2557
2558         PR tree-optimization/47005
2559         * tree-sra.c (struct access): Add 'non_addressable' bit.
2560         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2561         (decide_one_param_reduction): Return 0 if the parameter is passed by
2562         reference and one of the accesses in the group is non_addressable.
2563
2564 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2565
2566         PR tree-optimization/47056
2567         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2568         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2569         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2570
2571 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2572
2573         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2574         initializer.  Skip view conversions from aggregate types.
2575
2576 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2577
2578         PR bootstrap/47055
2579         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2580
2581 2011-01-04  Philipp Thomas <pth@suse.de>
2582
2583         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2584         obvious typo.
2585
2586 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2587
2588         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2589         on empty epilogue sequences.
2590
2591 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2592
2593         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2594         non-static): New Driver options.
2595
2596 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2597
2598         PR driver/47137
2599         * gcc.c (default_compilers[]): Set combinable field to 0
2600         for all assembly languages.
2601
2602 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
2603
2604         * config/mips/loongson3a.md: New file.
2605         * config/mips/mips.md: Include loongson3a.md.
2606         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
2607         TUNE_LOONGSON_3A.
2608
2609 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
2610
2611         PR middle-end/47017
2612         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
2613         instead of convert_memory_address_addr_space on the base expression.
2614
2615 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2616
2617         * config/spu/spu.c (spu_option_override): Update error text
2618         for bad -march= / -mtune= values.
2619
2620 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2621
2622         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
2623         if branch-hint optimization will be performed.
2624
2625 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2626
2627         PR tree-optimization/47148
2628         * ipa-split.c (split_function): Convert arguments to
2629         DECL_ARG_TYPE if possible.
2630
2631         PR tree-optimization/47155
2632         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
2633         when computing uns.
2634
2635         PR rtl-optimization/47157
2636         * combine.c (try_combine): If undobuf.other_insn becomes
2637         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
2638         and set *new_direct_jump_p too.
2639
2640 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         PR tree-optimization/47021
2643         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
2644
2645 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2646
2647         * gcc.c (process_command): Update copyright notice dates.
2648         * gcov.c (print_version): Likewise.
2649         * gcov-dump.c (print_version): Likewise.
2650         * mips-tfile.c (main): Likewise.
2651         * mips-tdump.c (main): Likewise.
2652
2653 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2654
2655         PR tree-optimization/46801
2656         * tree-sra.c (type_internals_preclude_sra_p): Check whether
2657         aggregate fields start at byte boundary instead of the bit-field flag.
2658
2659 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
2660
2661         PR driver/47137
2662         * gcc.c (main): Revert revision 168407.
2663
2664 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2665
2666         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
2667
2668 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2669
2670         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
2671         vector optab to expand vector/scalar shift, update gimple to vector.
2672
2673 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2674
2675         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
2676         a thunk.
2677
2678 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2679
2680         PR tree-optimization/46984
2681         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
2682         HOST_WIDE_INT.
2683         (cgraph_create_indirect_edge): Fixed line length.
2684         (cgraph_indirect_call_info): Declare.
2685         (cgraph_make_edge_direct) Update declaration.
2686         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
2687         (cgraph_create_indirect_edge): Use it.
2688         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
2689         callees.
2690         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
2691         the new thunk_delta representation.
2692         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
2693         HOST_WIDE_INT.
2694         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
2695         (ipa_read_indirect_edge_info): Likewise.
2696         * lto-cgraph.c (output_edge_opt_summary): New function.
2697         (output_node_opt_summary): Call it on all outgoing edges.
2698         (input_edge_opt_summary): New function.
2699         (input_node_opt_summary): Call it on all outgoing edges.
2700
2701 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2702
2703         PR driver/47137
2704         * gcc.c (main): Don't check have_o when settting combine_inputs.
2705
2706 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2707
2708         * regrename.c: Add general comment describing the pass.
2709         (struct du_head): Remove 'length' field.
2710         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
2711         (regrename_optimize): Do not sort chains.  Rework comments, add others.
2712         Force renaming to the preferred class (if any) in the first pass and do
2713         not consider registers that belong to it in the second pass.
2714         (create_new_chain): Do not set 'length' field.
2715         (scan_rtx_reg): Likewise.
2716
2717 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
2718
2719         PR tree-optimization/47140
2720         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
2721         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
2722         to bit_value_binop.
2723
2724         PR rtl-optimization/47028
2725         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
2726         parm_birth_insn instead of at the beginning of first bb.
2727
2728 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
2729
2730         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
2731         Remove the word "see" before "@pxref".
2732         * doc/rtl.texi: Remove the word "see" before "@pxref".
2733
2734 2011-01-01  Jan Hubicka  <jh@suse.cz>
2735
2736         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
2737         memory.
2738
2739 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
2740
2741         PR target/38662
2742         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
2743
2744 \f
2745 Copyright (C) 2011 Free Software Foundation, Inc.
2746
2747 Copying and distribution of this file, with or without modification,
2748 are permitted in any medium without royalty provided the copyright
2749 notice and this notice are preserved.