gcc/ChangeLog

   1 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR target/47564
   4         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
   5         around backend_init_target and lang_dependent_init_target calls.
   6         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
   7         (verify_cgraph_node): Don't call set_cfun here.  Use
   8         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
   9         Set error_found for incorrectly represented calls to thunks.
  10
  11 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
  12
  13         PR debug/43092
  14         PR rtl-optimization/43494
  15         * rtl.h (for_each_inc_dec_fn): New type.
  16         (for_each_inc_dec): Declare.
  17         * rtlanal.c (struct for_each_inc_dec_ops): New type.
  18         (for_each_inc_dec_find_inc_dec): New fn.
  19         (for_each_inc_dec_find_mem): New fn.
  20         (for_each_inc_dec): New fn.
  21         * dse.c (struct insn_size): Remove.
  22         (replace_inc_dec, replace_inc_dec_mem): Remove.
  23         (emit_inc_dec_insn_before): New fn.
  24         (check_for_inc_dec): Use it, along with for_each_inc_dec.
  25         (canon_address): Pass mem modes to cselib_lookup.
  26         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
  27         (cselib_lookup_from_insn): Likewise.
  28         (cselib_subst_to_values): Likewise.
  29         * cselib.c (find_slot_memmode): New var.
  30         (cselib_find_slot): New fn.  Use it instead of
  31         htab_find_slot_with_hash everywhere.
  32         (entry_and_rtx_equal_p): Use find_slot_memmode.
  33         (autoinc_split): New fn.
  34         (rtx_equal_for_cselib_p): Rename and implement in terms of...
  35         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
  36         Deal with autoinc.  Special-case recursion into MEMs.
  37         (cselib_hash_rtx): Likewise.
  38         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
  39         address and MEM modes.
  40         (cselib_subst_to_values): Add memmode, pass it on.
  41         Deal with autoinc.
  42         (cselib_lookup): Add memmode argument, pass it on.
  43         (cselib_lookup_from_insn): Add memmode.
  44         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
  45         (struct cselib_record_autoinc_data): New.
  46         (cselib_record_autoinc_cb): New fn.
  47         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
  48         mode to cselib_lookup.  Reset autoinced REGs here instead of...
  49         (cselib_process_insn): ... here.
  50         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
  51         to cselib_lookup.
  52         (add_uses): Likewise, also to cselib_subst_to_values.
  53         (add_stores): Likewise.
  54         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
  55         cselib_subst_to_values.
  56         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
  57         * gcse.c (do_local_cprop): Adjusted.
  58         * postreload.c (reload_cse_simplify_set): Adjusted.
  59         (reload_cse_simplify_operands): Adjusted.
  60         * sel-sched-dump (debug_mem_addr_value): Pass mode.
  61
  62 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
  63
  64         PR tree-optimization/45122
  65         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
  66         unsafe assumptions when there's more than one loop exit.
  67
  68 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
  69
  70         PR target/47272
  71         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
  72         Document using vector double with the load/store builtins, and
  73         that the load/store builtins always use Altivec instructions.
  74
  75         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
  76         to use altivec memory instructions, even on VSX.
  77         (vector_altivec_store_<mode>): Ditto.
  78
  79         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
  80         function.
  81
  82         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
  83         V2DF, V2DI support to load/store overloaded builtins.
  84
  85         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
  86         altivec load/store builtins for V2DF/V2DI types.
  87
  88         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
  89         set avoid indexed addresses on power6 if -maltivec.
  90         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
  91         vector_altivec_load/vector_altivec_store builtins.
  92         (altivec_expand_st_builtin): Ditto.
  93         (altivec_expand_builtin): Add VSX memory builtins.
  94         (rs6000_init_builtins): Add V2DI types to internal types.
  95         (altivec_init_builtins): Add support for V2DF/V2DI altivec
  96         load/store builtins.
  97         (rs6000_address_for_altivec): Insure memory address is appropriate
  98         for Altivec.
  99
 100         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
 101         vec_vsx_ld and vec_vsx_st.
 102         (vsx_store_<mode>): Ditto.
 103
 104         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
 105         variables to hold long long types for VSX vector memory builtins.
 106         (RS6000_BTI_unsigned_long_long): Ditto.
 107         (long_long_integer_type_internal_node): Ditti.
 108         (long_long_unsigned_type_internal_node): Ditti.
 109
 110         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
 111         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
 112         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
 113
 114         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
 115         short cuts.
 116         (vec_vsx_st): Ditto.
 117
 118 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 119
 120         * config/pa/pa-hpux10.opt: New.
 121         * config/hpux11.opt (pthread): New Driver option.
 122         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
 123         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
 124
 125 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 126
 127         * config/ia64/vms.opt: New.
 128         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
 129
 130 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
 131
 132         PR target/47580
 133         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
 134         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
 135         generator functions.
 136         (vsx_floatuns<VSi><mode>2): Ditto.
 137         (vsx_fix_trunc<mode><VSi>2): Ditto.
 138         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
 139
 140 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 141
 142         * config/i386/djgpp.opt (posix): New Driver option.
 143
 144 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
 145
 146         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
 147         Move to the unsupported targets list.
 148
 149 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
 150
 151         PR rtl-optimization/47525
 152         * df-scan.c: Update copyright years.
 153         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
 154         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
 155
 156 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 157
 158         * config/i386/sysv4.h (TARGET_VERSION): Remove.
 159         (SUBTARGET_RETURN_IN_MEMORY): Remove.
 160         (ASM_OUTPUT_ASCII): Remove.
 161         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
 162
 163 2011-02-02  Jeff Law  <law@redhat.com>
 164
 165         PR middle-end/47543
 166         * reload.c (find_reloads_address): Handle reg+d address where both
 167         components are invalid by reloading the entire address.
 168
 169 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
 170             Richard Guenther  <rguenther@suse.de>
 171
 172         PR tree-optimization/40979
 173         PR bootstrap/47044
 174         * passes.c (init_optimization_passes): After LIM call copy_prop
 175         and DCE to clean up.
 176         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
 177
 178 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
 179
 180         PR tree-optimization/47576
 181         PR tree-optimization/47555
 182         * doc/invoke.texi (scev-max-expr-complexity): Documented.
 183         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 184         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
 185         * tree-scalar-evolution.c (follow_ssa_edge): Use
 186         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
 187
 188 2011-02-02  Richard Guenther  <rguenther@suse.de>
 189
 190         PR tree-optimization/47566
 191         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
 192
 193 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
 194
 195         PR debug/47106
 196         PR debug/47402
 197         * tree-inline.c (declare_return_variable): Remove unused caller
 198         variable.
 199
 200         PR debug/47106
 201         PR debug/47402
 202         * tree-flow-inline.h (clear_is_used, is_used_p): New.
 203         * cfgexpand.c (account_used_vars_for_block): Use them.
 204         * tree-nrv.c (tree_nrv): Likewise.
 205         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
 206         (dump_scope_block): Likewise.
 207         (remove_unused_locals): Likewise.
 208
 209         PR debug/47106
 210         PR debug/47402
 211         * tree-inline.c (declare_return_variable): Add result decl to
 212         local decls only once.
 213         * gimple-low.c (record_vars_into): Mark newly-created variables
 214         as referenced.
 215
 216 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
 217
 218         PR debug/47498
 219         PR debug/47501
 220         PR debug/45136
 221         PR debug/45130
 222         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 223         debug insns.
 224         (no_real_insns_p, schedule_block, set_priorities): Drop special
 225         treatment of boundary debug insns.
 226         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
 227         insns.
 228         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
 229         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 230         (BOUNDARY_DEBUG_INSN_P): Likewise.
 231         (SCHEDULE_DEBUG_INSN_P): Likewise.
 232         * sched-rgn.c (init_ready_list): Drop special treatment of
 233         boundary debug insns.
 234         * final.c (rest_of_clean_state): Clear notes' BB.
 235
 236 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 237
 238         * config/openbsd.opt (assert=): New Driver option.
 239
 240 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 241
 242         * config/i386/nto.opt: New.
 243         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
 244
 245 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 246
 247         * config/i386/netware.opt: New.
 248         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
 249
 250 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 251
 252         * config/interix.opt (posix): New Driver option.
 253
 254 2011-02-01  DJ Delorie  <dj@redhat.com>
 255
 256         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
 257
 258         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
 259         class for A0/A1.
 260
 261 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         PR tree-optimization/47561
 264         * toplev.c (process_options): Print the Graphite flags.  Add
 265         flag_loop_flatten to the list of options requiring Graphite.
 266
 267 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 268
 269         * config/i386/cygming.opt (posix): New Driver option.
 270
 271 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 272
 273         * config/arm/vxworks.opt: New.
 274         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
 275
 276 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 277
 278         * config/alpha/elf.opt: New.
 279         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
 280         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
 281
 282 2011-02-01  Richard Guenther  <rguenther@suse.de>
 283
 284         PR tree-optimization/47559
 285         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
 286         store-motion on references that can throw.
 287
 288 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
 289
 290         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
 291         * tree-pass.h (TDF_CSELIB): New macro.
 292         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
 293         cselib_lookup): Check for it rather than for TDF_DETAILS.
 294
 295 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
 296
 297         PR driver/47547
 298         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
 299         is HOST_BIT_BUCKET.
 300
 301         * opts.c (finish_options): Don't add x_aux_base_name if it is
 302         HOST_BIT_BUCKET.
 303
 304 2011-02-01  Richard Guenther  <rguenther@suse.de>
 305
 306         PR tree-optimization/47555
 307         Revert
 308         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 309
 310         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 311
 312 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
 313
 314         PR gcc/46692
 315         * config/lm32/t-lm32: Add multilib for all CPU options.
 316
 317 2011-02-01  Richard Guenther  <rguenther@suse.de>
 318
 319         PR tree-optimization/47541
 320         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
 321         sure to have a field at offset zero.
 322
 323 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 324
 325         * config/arc/arc.opt (EB, EL): New Driver options.
 326
 327 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 328
 329         * config/alpha/osf5.opt: New.
 330         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
 331
 332 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 333
 334         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
 335
 336 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
 337
 338         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
 339         -floop-interchange.
 340         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
 341         is an alias of -floop-interchange and that it requires the
 342         Graphite infrastructure.
 343         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
 344         flag_loop_interchange based on the value of flag_tree_loop_linear.
 345
 346 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
 347             Richard Guenther  <rguenther@suse.de>
 348
 349         PR tree-optimization/47538
 350         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
 351         type instead of r1type, except for comparisons.  For right
 352         shifts and comparisons punt if there are mismatches in
 353         sizetype vs. non-sizetype types.
 354
 355 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 356
 357         * doc/sourcebuild.texi (Effective-Target Keywords): Document
 358         avx_runtime.
 359
 360 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 361
 362         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
 363         version number.
 364         * configure: Regenerate.
 365
 366 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 367
 368         * configure.ac (gcc_cv_ld_static_option): Define.
 369         (gcc_cv_ld_dynamic_option): Define.
 370         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
 371         instead.
 372         (HAVE_LD_STATIC_DYNAMIC): Update message.
 373         (LD_STATIC_OPTION): Define.
 374         (LD_DYNAMIC_OPTION): Define.
 375         * configure: Regenerate.
 376         * config.in: Regenerate.
 377         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
 378         HAVE_LD_STATIC_DYNAMIC]: Use them.
 379
 380 2011-01-31  Nick Clifton  <nickc@redhat.com>
 381
 382         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
 383         registers inside interrupt handlers if the handler is not a leaf
 384         function.
 385
 386 2011-01-31  Nick Clifton  <nickc@redhat.com>
 387
 388         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
 389         reg_renumber returning an INVALID_REGNUM.
 390
 391 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 392
 393         PR libgcj/44341
 394         * doc/install.texi: Document host options discarded when cross
 395         configuring target libraries.
 396
 397 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 398
 399         Reverted:
 400         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 401         PR debug/45136
 402         PR debug/45130
 403         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 404         debug insns.
 405         (no_real_insns_p, schedule_block, set_priorities): Drop special
 406         treatment of boundary debug insns.
 407         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
 408         insns.
 409         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 410         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 411         (BOUNDARY_DEBUG_INSN_P): Likewise.
 412         (SCHEDULE_DEBUG_INSN_P): Likewise.
 413         * sched-rgn.c (init_ready_list): Drop special treatment of
 414         boundary debug insns.
 415         * final.c (rest_of_clean-state): Clear notes' BB.
 416
 417 2011-01-31  Alan Modra  <amodra@gmail.com>
 418
 419         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
 420         toc relative expressions as we do in print_operand_address.
 421
 422 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
 423
 424         * doc/extend.texi: Follow spelling conventions.
 425         * doc/invoke.texi: Fix a typo.
 426
 427 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
 428
 429         * config/hpux11.opt: New.
 430         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
 431         ia64*-*-hpux*): Use hpux11.opt.
 432
 433 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
 434
 435         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
 436         to tmake_file.
 437
 438 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 439
 440         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
 441         support sites.
 442
 443 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 444
 445         * doc/install.texi (Binaries): Remove outdated reference for
 446         Motorola 68HC11/68HC12 downloads.
 447
 448 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 449
 450         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
 451         Drepper's paper.
 452
 453 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
 454
 455         PR bootstrap/47147
 456         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
 457         used by NetBSD.
 458
 459 2011-01-28  Ahmad Sharif <asharif@google.com>
 460
 461         * value-prof.c (check_counter): Corrected error message.
 462
 463 2011-01-29  Jie Zhang  <jie@codesourcery.com>
 464
 465         * config/arm/arm.c (arm_legitimize_reload_address): New.
 466         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
 467         arm_legitimize_reload_address.
 468         * config/arm/arm-protos.h (arm_legitimize_reload_address):
 469         Declare.
 470
 471 2011-01-28  Ian Lance Taylor  <iant@google.com>
 472
 473         * godump.c (go_define): Ignore macros whose definitions include
 474         two adjacent operands.
 475
 476 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
 477
 478         PR target/42894
 479         * varasm.c (force_const_mem): Store copy of x in desc->constant
 480         instead of x itself.
 481         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
 482         itself into REG_EQUAL note.
 483
 484 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
 485
 486         * config/freebsd.opt (posix, rdynamic): New Driver options.
 487
 488 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 489
 490         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
 491         -Bstatic/-Bdynamic.
 492         * configure: Regenerate.
 493
 494 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
 495
 496         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
 497         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
 498
 499 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
 500
 501         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
 502         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
 503         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
 504         (s390_preferred_reload_class): Make static. Change return and
 505         'rclass' argument type to reg_class_t.
 506
 507 2011-01-27  Jan Hubicka  <jh@suse.cz>
 508
 509         PR middle-end/46949
 510         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
 511         (process_function_and_variable_attributes): Check defined weakrefs.
 512
 513 2011-01-27  Martin Jambor  <mjambor@suse.cz>
 514
 515         PR tree-optimization/47228
 516         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
 517         build_ref_for_offset.
 518
 519 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 520
 521         * config/spu/spu-elf.h (ASM_SPEC): Remove.
 522
 523 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
 524
 525         PR rtl-optimization/46856
 526         * postreload.c (reload_combine_recognize_const_pattern): Do not
 527         separate cc0 setter and user on cc0 targets.
 528
 529 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
 530
 531         PR c/43082
 532         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
 533         passed a VOID_TYPE expression, immediately emit an error and
 534         return error_mark_node.
 535
 536 2011-01-26  Jeff Law  <law@redhat.com>
 537
 538         PR rtl-optimization/47464
 539         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
 540         rather than may_trap_p as needed.
 541
 542 2011-01-26  DJ Delorie  <dj@redhat.com>
 543
 544         PR rtl-optimization/46878
 545         * combine.c (insn_a_feeds_b): Check for the implicit cc0
 546         setter/user dependency as well.
 547
 548 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
 549
 550         PR rtl-optimization/44469
 551         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
 552         after removing trivially dead basic blocks.
 553
 554 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 555
 556         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
 557         * config/frv/frv.h (LINK_SPEC): Likewise.
 558         * config/i386/netware.h (LINK_SPEC): Likewise.
 559         * config/m68k/linux.h (ASM_SPEC): Likewise.
 560         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
 561         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 562         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 563         * config/sparc/linux.h (ASM_SPEC): Likewise.
 564         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 565         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 566
 567 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 568
 569         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
 570         * config/frv/frv.h (ASM_SPEC): Likewise.
 571         * config/m68k/linux.h (ASM_SPEC): Likewise.
 572         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 573         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
 574         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 575         * config/sparc/linux.h (ASM_SPEC): Likewise.
 576         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 577         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 578
 579 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 580
 581         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
 582         * config/frv/frv.h (LINK_SPEC): Likewise.
 583         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 584
 585 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 586
 587         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
 588         * config/frv/frv.h (ASM_SPEC): Likewise.
 589         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
 590         * config/m68k/linux.h (ASM_SPEC): Likewise.
 591         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 592         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
 593         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 594         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
 595         * config/sparc/linux.h (ASM_SPEC): Likewise.
 596         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 597         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 598         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
 599
 600 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
 601
 602         PR target/46997
 603         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
 604         (*mux2): Ditto.
 605         (vec_extract_evenodd_help): Ditto.
 606         (vec_extract_evenv4hi): Ditto.
 607         (vec_extract_oddv4hi): Ditto.
 608         (vec_interleave_lowv2si): Ditto.
 609         (vec_interleave_highv2si): Ditto.
 610         (vec_extract_evenv2si): Ditto.
 611         (vec_extract_oddv2si: Ditto.
 612         (vec_pack_trunc_v2si): Ditto.
 613
 614 2011-01-22  Jan Hubicka  <jh@suse.cz>
 615
 616         PR target/47237
 617         * cgraph.h (cgraph_local_info): New field can_change_signature.
 618         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
 619         signature can change.
 620         (ipcp_estimate_growth): Call sequence simplify only if calle signature
 621         can change.
 622         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
 623         (cgraph_function_versioning): We can not change signature of functions
 624         that don't allow that.
 625         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
 626         (lto_input_node): Likewise.
 627         * ipa-inline.c (compute_inline_parameters): Compute local.can_change_signature.
 628         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
 629         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on functions
 630         that can not change signature.
 631         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
 632         init_cumulative_args): Do not use local calling conventions for functions
 633         that can not change signature.
 634
 635 2011-01-22  Jan Hubicka  <jh@suse.cz>
 636
 637         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
 638
 639 2011-01-26  Richard Guenther  <rguenther@suse.de>
 640
 641         PR tree-optimization/47190
 642         * cgraphunit.c (process_common_attributes): New function.
 643         (process_function_and_variable_attributes): Use it.
 644
 645 2011-01-26  Richard Guenther  <rguenther@suse.de>
 646
 647         PR lto/47423
 648         * cgraphbuild.c (record_eh_tables): Record reference to personality
 649         function.
 650
 651 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
 652
 653         PR debug/45454
 654         * sel-sched.c (moveup_expr): Don't let debug insns prevent
 655         non-debug insns from moving up.
 656
 657 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 658
 659         PR target/40125
 660         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
 661         t-dlldir{,-x} fragment for build and add it to tmake_file.
 662         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
 663         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
 664         * config/i386/t-dlldir: New file.
 665         (SHLIB_DLLDIR): Define.
 666         * config/i386/t-dlldir-x: New file.
 667         (SHLIB_DLLDIR): Define.
 668         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
 669         (SHLIB_INSTALL): Use it.
 670
 671 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
 672
 673         PR target/47246
 674         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
 675         lower bound of the allowed Thumb-2 coprocessor load/store
 676         index range to -256. Add explaining comment.
 677
 678 2011-01-25  Ian Lance Taylor  <iant@google.com>
 679
 680         * godump.c (go_define): Improve lexing of macro expansion to only
 681         accept expressions which match Go spec.
 682
 683 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 684
 685         PR c++/43601
 686         * tree.c (handle_dll_attribute): Handle it.
 687         * doc/extend.texi (@item dllexport): Mention it.
 688         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
 689
 690 2011-01-25  Ian Lance Taylor  <iant@google.com>
 691
 692         PR tree-optimization/26854
 693         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
 694         (decl_jump_unsafe): Move higher in file, with no other change.
 695         (bind): Set has_jump_unsafe_decl if appropriate.
 696         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
 697         (check_earlier_gotos): Likewise.
 698         (c_check_switch_jump_warnings): Likewise.
 699
 700 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
 701
 702         * doc/invoke.texi (Warning Options): Add missing hyphen.
 703         (-fprofile-dir): Minor grammatical fixes.
 704         (-fbranch-probabilities): Likewise.
 705
 706 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 707
 708         PR debug/45136
 709         PR debug/45130
 710         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 711         debug insns.
 712         (no_real_insns_p, schedule_block, set_priorities): Drop special
 713         treatment of boundary debug insns.
 714         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
 715         insns.
 716         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 717         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 718         (BOUNDARY_DEBUG_INSN_P): Likewise.
 719         (SCHEDULE_DEBUG_INSN_P): Likewise.
 720         * sched-rgn.c (init_ready_list): Drop special treatment of
 721         boundary debug insns.
 722         * final.c (rest_of_clean-state): Clear notes' BB.
 723
 724 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 725
 726         * Makefile.in (LAMBDA_H): Removed.
 727         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
 728         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
 729         lambda-trans.o, and tree-loop-linear.o.
 730         (lto-symtab.o): Remove dependence on LAMBDA_H.
 731         (tree-loop-linear.o): Remove rule.
 732         (lambda-mat.o): Same.
 733         (lambda-trans.o): Same.
 734         (lambda-code.o): Same.
 735         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
 736         (tree-vect-slp.o): Same.
 737         * hwint.h (gcd): Moved here.
 738         (least_common_multiple): Same.
 739         * lambda-code.c: Removed.
 740         * lambda-mat.c: Removed.
 741         * lambda-trans.c: Removed.
 742         * lambda.h: Removed.
 743         * tree-loop-linear.c: Removed.
 744         * lto-symtab.c: Do not include lambda.h.
 745         * omega.c (gcd): Removed.
 746         * passes.c (init_optimization_passes): Remove pass_linear_transform.
 747         * tree-data-ref.c (print_lambda_vector): Moved here.
 748         (lambda_vector_copy): Same.
 749         (lambda_matrix_copy): Same.
 750         (lambda_matrix_id): Same.
 751         (lambda_vector_first_nz): Same.
 752         (lambda_matrix_row_add): Same.
 753         (lambda_matrix_row_exchange): Same.
 754         (lambda_vector_mult_const): Same.
 755         (lambda_vector_negate): Same.
 756         (lambda_matrix_row_negate): Same.
 757         (lambda_vector_equal): Same.
 758         (lambda_matrix_right_hermite): Same.
 759         * tree-data-ref.h: Do not include lambda.h.
 760         (lambda_vector): Moved here.
 761         (lambda_matrix): Same.
 762         (dependence_level): Same.
 763         (lambda_transform_legal_p): Removed declaration.
 764         (lambda_collect_parameters): Same.
 765         (lambda_compute_access_matrices): Same.
 766         (lambda_vector_gcd): Same.
 767         (lambda_vector_new): Same.
 768         (lambda_vector_clear): Same.
 769         (lambda_vector_lexico_pos): Same.
 770         (lambda_vector_zerop): Same.
 771         (lambda_matrix_new): Same.
 772         * tree-flow.h (least_common_multiple): Removed declaration.
 773         * tree-parloops.c (lambda_trans_matrix): Moved here.
 774         (LTM_MATRIX): Same.
 775         (LTM_ROWSIZE): Same.
 776         (LTM_COLSIZE): Same.
 777         (LTM_DENOMINATOR): Same.
 778         (lambda_trans_matrix_new): Same.
 779         (lambda_matrix_vector_mult): Same.
 780         (lambda_transform_legal_p): Same.
 781         * tree-pass.h (pass_linear_transform): Removed declaration.
 782         * tree-ssa-loop.c (tree_linear_transform): Removed.
 783         (gate_tree_linear_transform): Removed.
 784         (pass_linear_transform): Removed.
 785         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
 786         flag_loop_interchange.
 787
 788 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
 789
 790         PR tree-optimization/47265
 791         PR tree-optimization/47443
 792         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
 793         if name still has some uses.
 794
 795 2011-01-25  Martin Jambor  <mjambor@suse.cz>
 796
 797         PR tree-optimization/47382
 798         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
 799         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
 800
 801 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
 802
 803         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
 804         sjlj_except_unwind_info.
 805
 806 2011-01-25  Richard Guenther  <rguenther@suse.de>
 807
 808         PR tree-optimization/47426
 809         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
 810         visible functions results escape.
 811
 812 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
 813
 814         PR target/45701
 815         * config/arm/arm.c (any_sibcall_uses_r3): New function.
 816         (arm_get_frame_offsets): Use it.
 817
 818 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 819             Jakub Jelinek  <jakub@redhat.com>
 820
 821         PR tree-optimization/47271
 822         * tree-if-conv.c (bb_postdominates_preds): New.
 823         (if_convertible_bb_p): Call bb_postdominates_preds.
 824         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
 825         (predicate_scalar_phi): Call bb_postdominates_preds.
 826
 827 2011-01-25  Nick Clifton  <nickc@redhat.com>
 828
 829         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
 830         * config/rx/rx.c (rx_function_value): Likewise.
 831         (rx_promote_function_mode): Likewise.
 832         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
 833         in order to make it legitimate.
 834         * config/rx/rx.md (adddi3_internal): If the second operand is a
 835         MEM make sure that the first operand is the same as the result
 836         register.
 837         (addsi3_unspec): Delete.
 838         (subdi3): Do not accept immediate operands.
 839         (subdi3_internal): Likewise.
 840
 841 2011-01-25  Jeff Law  <law@redhat.com>
 842
 843         PR rtl-optimization/37273
 844         * ira-costs.c (scan_one_insn): Detect constants living in memory and
 845         handle them like argument loads from stack slots.  Do not double
 846         count memory for memory constants and argument loads from stack slots.
 847
 848 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
 849
 850         PR tree-optimization/47427
 851         PR tree-optimization/47428
 852         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
 853         coalesce if the new root var would be TREE_READONLY.
 854
 855 2011-01-25  Richard Guenther  <rguenther@suse.de>
 856
 857         PR middle-end/47414
 858         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
 859         correct type for TBAA.
 860
 861 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
 864         (close_phi_written_to_memory): Call for_each_index with
 865         dr_indices_valid_in_loop.
 866
 867 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
 870         when it is initialized.
 871
 872 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 873
 874         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
 875         call to graphite_find_data_references_in_stmt.
 876         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
 877         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
 878         call to graphite_find_data_references_in_stmt.
 879         (analyze_drs_in_stmts): Same.
 880         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
 881         in which the scalar analysis of indices is performed.
 882         (create_data_ref): Same.  Update call to dr_analyze_indices.
 883         (find_data_references_in_stmt): Update call to create_data_ref.
 884         (graphite_find_data_references_in_stmt): Same.
 885         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
 886         declaration.
 887         (create_data_ref): Same.
 888         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
 889         call to create_data_ref.
 890
 891 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 892
 893         * graphite-sese-to-poly.c (build_poly_scop): Move
 894         rewrite_commutative_reductions_out_of_ssa before
 895         find_scop_parameters.
 896
 897 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
 900         VAR_DECL, PARM_DECL, and RESULT_DECL.
 901
 902 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 903
 904         * graphite-dependences.c (reduction_dr_1): Allow several reductions
 905         in a reduction PBB.
 906         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
 907         that have already been marked as PBB_IS_REDUCTION.
 908
 909 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * graphite-scop-detection.c (same_close_phi_node): New.
 912         (remove_duplicate_close_phi): New.
 913         (make_close_phi_nodes_unique): New.
 914         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
 915
 916 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
 919         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
 920         of both data references to be the same.
 921
 922 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-dependences.c (build_lexicographical_constraint): Remove the
 925         gdim parameter.
 926         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
 927         (dependence_polyhedron): Same.
 928         (graphite_legal_transform_dr): Same.
 929         (graphite_carried_dependence_level_k): Same.
 930         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
 931         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
 932
 933 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * graphite-sese-to-poly.c
 936         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
 937         (close_phi_written_to_memory): New.
 938         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
 939         and unshare_expr.
 940
 941 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 942
 943         * doc/install.texi: Update the expected version number of PPL to 0.11.
 944         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
 945         #if PPL_VERSION_MINOR < 11.
 946
 947 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-dependences.c: Include graphite-cloog-util.h.
 950         (new_poly_ddr): Inlined into dependence_polyhedron.
 951         (free_poly_ddr): Moved close by new_poly_ddr.
 952         (dependence_polyhedron_1): Renamed dependence_polyhedron.
 953         Early return NULL when ppl_powerset_is_empty returns true.
 954         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
 955         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
 956         (graphite_legal_transform_dr): Call new_poly_ddr.
 957         (graphite_carried_dependence_level_k): Same.
 958         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
 959         (dot_transformed_deps_stmt_1): Removed.
 960         (dot_deps_stmt_1): Call dot_deps_stmt_2.
 961         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
 962         (dot_deps_1): Call dot_deps_2.
 963         * Makefile.in (graphite-dependences.o): Add missing dependence on
 964         graphite-cloog-util.h.
 965
 966 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
 969         (build_lexicographical_constraint): Same.
 970         (dependence_polyhedron_1): Same.
 971         (graphite_legal_transform_dr): Same.
 972         (graphite_carried_dependence_level_k): Same.
 973         * graphite-ppl.c (ppl_powerset_is_empty): New.
 974         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
 975         * tree-data-ref.c (dump_data_reference): Print the basic block index.
 976
 977 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 978
 979         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
 980         the "a followed by b" relation and document it.
 981
 982 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 983
 984         * graphite-dependences.c (build_lexicographical_constraint): Stop the
 985         iteration when the bag of constraints is empty.
 986
 987 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 988
 989         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
 990
 991 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 992
 993         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
 994         nest and two loop depths as parameters.
 995         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
 996         lst_perfect_nestify.
 997
 998 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 999
1000         * graphite-dependences.c (print_pddr): Call
1001         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1002
1003 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         * graphite-ppl.c (debug_gmp_value): New.
1006         * graphite-ppl.h (debug_gmp_value): Declared.
1007
1008 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1009
1010         * doc/install.texi: Document availability of cloog-0.16.
1011
1012 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1013
1014         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1015         invalid postdominance info.
1016
1017 2011-01-24  Jan Hubicka  <jh@suse.cz>
1018
1019         PR c/21659
1020         * doc/extend.texi (weak pragma): Drop claim that it must
1021         appear before definition.
1022         * varasm.c (merge_weak, declare_weak): Only sanity check
1023         that DECL is not output at a time it is declared weak.
1024
1025 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1026
1027         * machmode.def: Fixed comments.
1028
1029 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1030
1031         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1032
1033 2011-01-24  Paul Koning  <ni1d@arrl.net>
1034
1035         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1036         WORDS_BIG_ENDIAN.
1037
1038 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1039
1040         PR target/46519
1041         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1042         (block_info): Add scanned and prev.
1043         (move_or_delete_vzeroupper_2): Return if the basic block
1044         has been scanned and the upper 128bit state is unchanged
1045         from the last scan.
1046         (move_or_delete_vzeroupper_1): Return true if the exit
1047         state is changed.
1048         (move_or_delete_vzeroupper): Visit basic blocks using the
1049         work-list based algorithm based on vt_find_locations in
1050         var-tracking.c.
1051
1052         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1053
1054 2011-01-24  Nick Clifton  <nickc@redhat.com>
1055
1056         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1057         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1058         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1059         then define __v850e1__.
1060         * doc/invoke.texi: Document -mv850es.
1061
1062 2011-01-24  Richard Henderson  <rth@redhat.com>
1063
1064         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1065         compound unordered comparisons.
1066         * config/rx/rx.c (rx_split_fp_compare): Remove.
1067         * config/rx/rx-protos.h: Update.
1068         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1069         (cbranchsf4): Don't call rx_split_fp_compare.
1070         (*cbranchsf4): Use rx_split_cbranch.
1071         (*cmpsf): Don't accept "i" constraint.
1072         (*conditional_branch): Only valid after reload.
1073         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1074
1075 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1076
1077         PR target/47385
1078         * config/rs6000/altivec.md (vector constant splitters): Add
1079         support for creating vector single precision constants if -mvsx is
1080         used and we would create the constant using Altivec primitives.
1081
1082 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1083             Richard Sandiford  <rdsandiford@googlemail.com>
1084
1085         PR rtl-optimization/47166
1086         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1087         mechanism for PRE_MODIFY and POST_MODIFY.
1088         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1089         reloadreg.
1090
1091 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1092
1093         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1094
1095 2011-01-22  Jan Hubicka  <jh@suse.cz>
1096
1097         PR lto/47333
1098         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1099
1100 2011-01-22  Jan Hubicka  <jh@suse.cz>
1101
1102         PR tree-optimization/43884
1103         PR lto/44334
1104         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1105         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1106
1107 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1108
1109         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1110         * config/s390/s390.c (s390_register_move_cost,
1111         s390_memory_move_cost): New.
1112         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1113
1114 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1115
1116         PR middle-end/47401
1117         * except.c (sjlj_assign_call_site_values): Move setting the
1118         crtl->uses_eh_lsda flag to ...
1119         (sjlj_mark_call_sites): ... here.
1120         (sjlj_emit_function_enter): Support NULL dispatch label.
1121         (sjlj_build_landing_pads): In a function with no landing pads
1122         that still has must-not-throw regions, generate code to register
1123         a personality function with empty LSDA.
1124
1125 2011-01-21  Richard Henderson  <rth@redhat.com>
1126
1127         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1128
1129         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1130
1131         * compare-elim.c: New file.
1132         * Makefile.in (OBJS-common): Add it.
1133         (compare-elim.o): New.
1134         * common.opt (fcompare-elim): New.
1135         * opts.c (default_options_table): Add OPT_fcompare_elim.
1136         * tree-pass.h (pass_compare_elim_after_reload): New.
1137         * passes.c (init_optimization_passes): Add it.
1138         * recog.h: Protect against re-inclusion.
1139         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1140         * doc/invoke.texi (-fcompare-elim): Document it.
1141         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1142         * doc/tm.texi: Rebuild.
1143
1144 2011-01-22  Nick Clifton  <nickc@redhat.com>
1145
1146         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1147         rx_split_fp_compare.
1148
1149 2011-01-22  Nick Clifton  <nickc@redhat.com>
1150
1151         * config/rx/rx.md (UNSPEC_CONST): New.
1152         (deallocate_and_return): Wrap the amount popped off the stack in
1153         an UNSPEC_CONST in order to stop it being rejected by
1154         -mmax-constant-size.
1155         (pop_and_return): Add a "(return)" rtx.
1156         (call): Drop the immediate operand.
1157         (call_internal): Likewise.
1158         (call_value): Likewise.
1159         (call_value_internal): Likewise.
1160         (sibcall_internal): Likewise.
1161         (sibcall_value_internal): Likewise.
1162         (sibcall): Likewise.  Generate an explicit call using
1163         sibcall_internal.
1164         (sibcall_value): Likewise.
1165         (mov<>): FAIL if a constant operand is not legitimate.
1166         (addsi3_unpsec): New pattern.
1167
1168         * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
1169         CONSTs.
1170         (ok_for_max_constant): New function.
1171         (gen_safe_add): New function.
1172         (rx_expand_prologue): Use gen_safe_add.
1173         (rx_expand_epilogue): Likewise.
1174         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1175         UNSPEC CONSTs.
1176
1177 2011-01-21  Jeff Law  <law@redhat.com>
1178
1179         PR tree-optimization/47053
1180         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1181         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1182         statements are deleted.
1183         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1184         is nonempty, then purge dead edges and cleanup the CFG.
1185
1186 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1187
1188         PR debug/47402
1189         Temporarily revert:
1190         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1191         PR debug/47106
1192         * tree-dfa.c (create_var_ann): Mark variable as used.
1193
1194 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1195
1196         PR middle-end/45566
1197         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1198         notes from other section in hot/cold partitioning even if
1199         last_action is -3.  Increment call_site_base.
1200
1201         PR rtl-optimization/47366
1202         * fwprop.c (forward_propagate_into): Return bool.  If
1203         any changes are made, -fnon-call-exceptions is used and
1204         REG_EH_REGION note is present, call purge_dead_edges
1205         and return true if it purged anything.
1206         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1207         any EH edges were purged.
1208
1209 2011-01-21  Jeff Law  <law@redhat.com>
1210
1211         PR rtl-optimization/41619
1212         * caller-save.c (setup_save_areas): Break out code to determine
1213         which hard regs are live across calls by examining the reload chains
1214         so that it is always used.
1215         Eliminate code which checked REG_N_CALLS_CROSSED.
1216
1217 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1218
1219         PR tree-optimization/47355
1220         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1221         NOP has non-debug uses beyond PHIs in new_bb.
1222
1223 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1224
1225         PR debug/47106
1226         * cfgexpand.c (account_used_vars_for_block): Only account vars
1227         that are annotated as used.
1228         (estimated_stack_frame_size): Don't set TREE_USED.
1229         * tree-dfa.c (create_var_ann): Mark variable as used.
1230
1231 2011-01-21  Richard Guenther  <rguenther@suse.de>
1232
1233         PR middle-end/47395
1234         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1235
1236 2011-01-21  Richard Guenther  <rguenther@suse.de>
1237
1238         PR tree-optimization/47365
1239         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1240         (vn_reference_lookup_pieces): Adjust.
1241         (vn_reference_lookup): Likewise.
1242         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1243         (vn_reference_lookup_3): Only look through kills if in
1244         VN_WALKREWRITE mode.
1245         (vn_reference_lookup_pieces): Adjust.
1246         (vn_reference_lookup): Likewise.
1247         (visit_reference_op_load): Likewise.
1248         (visit_reference_op_store): Likewise.
1249         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1250         (compute_avail): Likewise.
1251         (eliminate): Likewise.
1252
1253 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1254
1255         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1256         DECL_IGNORED_P non-reg vars if they are used.
1257
1258         PR tree-optimization/47391
1259         * varpool.c (const_value_known_p): Return false if
1260         decl is volatile.
1261
1262 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1263
1264         PR bootstrap/47215
1265         * config/i386/i386.c (ix86_local_alignment): Handle
1266         case for va_list_type_node is nil.
1267         (ix86_canonical_va_list_type): Likewise.
1268
1269 2011-01-21  Alan Modra  <amodra@gmail.com>
1270
1271         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1272         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1273
1274 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1275
1276         * config/arm/arm.md (define_attr type): Rename f_load
1277         and f_store to f_fpa_load and f_fpa_store. Update.
1278         (write_conflict): Deal with rename fallout.
1279         (*push_fp_multi): Likewise.
1280         * config/arm/fpa.md (f_load): Use f_fpa_load.
1281         (f_store): Use f_fpa_store.
1282         (*movsf_fpa): Likewise.
1283         (*movdf_fpa): Likewise.
1284         (*movxf_fpa): Likewise.
1285         (*thumb2_movsf_fpa): Likewise.
1286         (*thumb2_movdf_fpa): Likewise.
1287         (*thumb2_movxf_fpa): Likewise.
1288         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1289         f_loadd and f_stored.
1290         (*thumb2_movdi_vfp): Likewise.
1291         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1292         (*thumb2_movsi_vfp): Likewise.
1293         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1294         Use f_loads instead of f_load.
1295         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1296
1297 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1298
1299         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1300         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1301         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1302         (xtensa_mode_dependent_address_p): New function.
1303         (constantpool_address_p): Make static. Change return type to bool.
1304         Change argument type to const_rtx. Use CONST_INT_P predicate.
1305
1306 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1307
1308         PR debug/46583
1309         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1310
1311 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1312
1313         PR debug/47283
1314         * cfgexpand.c (expand_debug_expr): Instead of generating
1315         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1316         etc. handling.
1317
1318 2011-01-20  Richard Guenther  <rguenther@suse.de>
1319
1320         PR middle-end/47370
1321         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1322         the pointer operand of MEM_REFs.
1323
1324 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1325
1326         PR tree-optimization/46130
1327         * ipa-split.c (consider_split): If return_bb contains non-virtual
1328         PHIs other than for retval or if split_function would not adjust it,
1329         refuse to split.
1330
1331 2011-01-20  Richard Guenther  <rguenther@suse.de>
1332
1333         PR tree-optimization/47167
1334         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1335         Revert previous change, only avoid enumeral type changes.
1336
1337 2011-01-19  Mike Stump  <mikestump@comcast.net>
1338
1339         * doc/tm.texi.in (BRANCH_COST): Englishify.
1340         * doc/tm.texi (BRANCH_COST): Likewise.
1341
1342 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1343
1344         PR c++/47291
1345         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1346         (gen_scheduled_generic_parms_dies): New functions.
1347         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1348         generation for the end of CU compilation.
1349         (dwarf2out_finish): Generate template parameters DIEs here.
1350
1351 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1352
1353         PR debug/46240
1354         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1355         debug bind stmt on merge edges.
1356
1357 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1358
1359         PR debug/47079
1360         PR debug/46724
1361         * function.c (instantiate_expr): Instantiate incoming rtl of
1362         implicit arguments, and recurse on VALUE_EXPRs.
1363         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1364         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1365
1366 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1367
1368         * c-parser.c (c_parser_for_statement): Initialize
1369         collection_expression.
1370
1371 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1372
1373         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1374
1375 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1376
1377         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1378         (LINK_SHLIB_SPEC): Don't use %(link_path).
1379         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1380
1381 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1382
1383         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1384         (NO_SHARED_LIB_SUPPORT): Remove.
1385         (LINK_SHLIB_SPEC): Remove one conditional definition.
1386
1387 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1388
1389         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1390         %{call_shared}.
1391         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1392         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1393         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1394         %{call_shared} and conditionals on these options not being passed.
1395         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1396         %{call_shared}.
1397
1398 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1399
1400         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1401         simplify.
1402
1403         * ipa-split.c: Spelling fixes.
1404
1405 2011-01-19  Richard Henderson  <rth@redhat.com>
1406
1407         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1408         (*mulsi3): Likewise.
1409
1410         * longlong.h [__mn10300__] (count_leading_zeros): New.
1411         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1412         [__mn10300__] (add_ssaaaa, subddmmss): New.
1413         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1414         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1415
1416 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1417
1418         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1419
1420 2011-01-19  Richard Henderson  <rth@redhat.com>
1421
1422         * config/mn10300/mn10300.md (addsi3_flags): New.
1423         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1424         (subsi3_flags, subc_internal, subdi3): New.
1425         (subdi3_internal, *subdi3_degenerate): New.
1426         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1427
1428         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1429         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1430         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1431         * config/mn10300/mn10300-protos.h: Update.
1432         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1433         (return_ret): Likewise.  Rename from return_internal_regs.
1434         (return_internal): Remove.
1435
1436         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1437         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1438         (mn10300_legitimate_constant_p): Likewise.
1439         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1440         (mn10300_frame_size): New.
1441         (mn10300_expand_prologue): Use it.
1442         (mn10300_expand_epilogue): Likewise.
1443         (mn10300_initial_offset): Likewise.
1444         * config/mn10300/mn10300-protos.h: Update.
1445         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1446         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1447         (prologue, epilogue, return_internal): Tidy output code.
1448         (mn10300_store_multiple_operation, return): Likewise.
1449         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1450         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1451         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1452         (load_pic, am33_load_pic): New.
1453         (mn10300_load_pic0, mn10300_load_pic1): New.
1454
1455         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1456         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1457         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1458         (cc_flags_for_mode, cc_flags_for_code): New.
1459         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1460         overflow flag is not valid.  Validate that the flags we need
1461         for the comparison are valid.
1462         (mn10300_output_cmp): Remove.
1463         (mn10300_output_add): New.
1464         (mn10300_select_cc_mode): Use cc_flags_for_code.
1465         (mn10300_split_cbranch): New.
1466         (mn10300_match_ccmode): New.
1467         (mn10300_split_and_operand_count): New.
1468         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1469         to the function.
1470         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1471         (addsi3): ... here.  Use mn10300_output_add.
1472         (*addsi3_flags): New.
1473         (*am33_subsi3, *mn10300_subsi3): Merge...
1474         (subsi3): ... here.  Use attribute isa.
1475         (*subsi3_flags): New.
1476         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1477         when possible.
1478         (*am33_andsi3, *mn10300_andsi3): Merge...
1479         (andsi3): ... here.
1480         (*andsi3_flags): New.
1481         (andsi3 splitters): New.
1482         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1483         (iorsi3): ... here.
1484         (*iorsi3_flags): New.
1485         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1486         (xorsi3): ... here.
1487         (*xorsi3_flags): New.
1488         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1489         (one_cmplsi2): ... here.
1490         (*one_cmplsi2_flags): New.
1491         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1492         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1493         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1494         use matching constraints to eliminate a self-comparison.
1495         (*integer_conditional_branch): Rename from integer_conditional_branch.
1496         Use int_mode_flags to match CC_REG.
1497         (*cbranchsi4_btst, *btstsi): New.
1498         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1499         mn10300_split_cbranch.
1500         (*am33_cmpsf): Rename from am33_cmpsf.
1501         (*float_conditional_branch): Rename from float_conditional_branch.
1502         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1503         (zero_extendqisi2): ... here.
1504         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1505         (zero_extendhisi2): ... here.
1506         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1507         (extendqisi2): ... here.
1508         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1509         (extendhisi2): ... here.
1510         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1511         (ashlsi3): ... here.
1512         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1513         (lshrsi3): ... here.
1514         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1515         (ashrsi3): ... here.
1516         (consecutive add peephole): Remove.
1517         * config/mn10300/predicates.md (label_ref_operand): New.
1518         (int_mode_flags): New.
1519         (CCZN_comparison_operator): New.
1520
1521         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1522         (throughput_42_latency_43): New reservation.
1523         (mulsidi3, umulsidi3): New expanders.
1524         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1525         the MDR register to allocation; separately allocate the low and
1526         high parts of the DImode result.
1527         (umulsidi3_internal): Similarly.
1528         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1529         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1530         (udivsi3, umodsi3): Remove.
1531         (udivmodsi4, divmodsi4): New expanders.
1532         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1533         (*divmodsi4): Simiarly.
1534         (ext_internal): New.
1535
1536         * config/mn10300/constraints.md ("z"): New constraint.
1537         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1538         (FIXED_REGISTERS): Don't fix MDR.
1539         (CALL_USED_REGSITERS): Reformat nicely.
1540         (REG_ALLOC_ORDER): Add MDR.
1541         (enum regclass): Add MDR_REGS.
1542         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1543         (IRA_COVER_CLASSES): Add MDR_REGS.
1544         (REGNO_REG_CLASS): Handle MDR_REG.
1545         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1546         (mn10300_register_move_cost): Likewise.
1547         * config/mn10300/mn10300.md (MDR_REG): New.
1548         (*movsi_internal): Handle moves to/from MDR_REGS.
1549
1550         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1551         POST_MODIFY.
1552         (mn10300_secondary_reload): Tidy combination reload classes.
1553         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1554         addresses for AM33.  Allow symbolic offsets for reg+imm.
1555         (mn10300_regno_in_class_p): New.
1556         (mn10300_legitimize_reload_address): New.
1557         * config/mn10300/mn10300.h (enum reg_class): Remove
1558         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1559         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1560         SP_OR_GENERAL_REGS.
1561         (REG_CLASS_NAMES): Update to match.
1562         (REG_CLASS_CONTENTS): Likewise.
1563         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1564         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1565         (REGNO_IN_RANGE_P): Remove.
1566         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1567         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1568         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1569         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1570         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1571         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1572         (REGNO_GENERAL_P): New.
1573         (HAVE_POST_MODIFY_DISP): New.
1574         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1575         (LEGITIMIZE_RELOAD_ADDRESS): New.
1576         * config/mn10300/mn10300-protos.h: Update.
1577
1578         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1579         DATA_REGS for AM33 stack-pointer destination.
1580         (mn10300_preferred_output_reload_class): Likewise.
1581         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1582         into a form appropriate for ...
1583         (TARGET_SECONDARY_RELOAD): New.
1584         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1585         * config/mn10300/mn10300-protos.h: Update.
1586         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1587         reload_insi; use the "A" constraint for the scratch; handle AM33
1588         moves of sp to non-address registers.
1589
1590         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1591         (*movqi_internal): ... here.
1592         (*am33_movhi, *mn10300_movhi): Merge into...
1593         (*movhi_internal): ... here.
1594         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1595         as the source/destination of moves from/to SP.
1596         (movsf): Only allow for AM33-2.
1597         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1598         any integer constant constraint.  Only allow for AM33-2.  Tidy
1599         all of the alternative outputs.
1600         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1601         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1602         for MN103.
1603         (udivsi3, umodsi3): New patterns for MN103 only.
1604
1605 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1606
1607         * doc/tm.texi.in: Spell out that a lack of register class unions
1608         can lead to ICEs.
1609         * doc/tm.texi: Regenerate.
1610
1611 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1612
1613         PR rtl-optimization/47337
1614         * dce.c (check_argument_store): New function.
1615         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1616
1617         PR tree-optimization/47290
1618         * tree-eh.c (infinite_empty_loop_p): New function.
1619         (cleanup_empty_eh): Use it.
1620
1621 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1622
1623         PR target/46997
1624         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1625         (a64_expand_widen_sum): Ditto.
1626         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1627         (vec_extract_evenodd_help): Ditto.
1628         (vec_extract_evenv4hi): Ditto.
1629         (vec_extract_oddv4hi): Ditto.
1630         (vec_extract_evenv2si): Ditto.
1631         (vec_extract_oddv2si): Ditto.
1632         (vec_extract_evenv2sf): Ditto.
1633         (vec_extract_oddv2sf): Ditto.
1634         (vec_pack_trunc_v4hi: Ditto.
1635         (vec_pack_trunc_v2si): Ditto.
1636         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1637         (vec_interleave_highv8qi): Ditto.
1638         (mix1_r): Ditto.
1639         (vec_extract_oddv8qi): Ditto.
1640         (vec_interleave_lowv4hi): Ditto.
1641         (vec_interleave_highv4hi): Ditto.
1642         (vec_interleave_lowv2si): Ditto.
1643         (vec_interleave_highv2si): Ditto.
1644
1645 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1646
1647         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1648         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1649         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1650         (pa_c_mode_for_suffix): New.
1651         (TARGET_EXPAND_BUILTIN): Define.
1652         (TARGET_C_MODE_FOR_SUFFIX): Define.
1653         (pa_builtins): Define.
1654         (pa_init_builtins): Register __float128 type and init new support
1655         builtins.
1656         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1657         * config/pa/quadlib.c (_U_Qfcopysign): New.
1658
1659 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1660
1661         PR middle-end/46894
1662         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1663         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1664         are defined.
1665
1666 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1667
1668         PR tree-optimization/47179
1669         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1670         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1671
1672 2011-01-18  Richard Guenther  <rguenther@suse.de>
1673
1674         PR rtl-optimization/47216
1675         * emit-rtl.c: Include tree-flow.h.
1676         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1677         of replicating it with different semantics.
1678         * Makefile.in (emit-rtl.o): Adjust.
1679
1680 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1681
1682         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
1683         include.
1684         (cortex_a9_dp): Handle neon types correctly.
1685
1686 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1687
1688         PR rtl-optimization/47299
1689         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1690         subtarget.  Use normal multiplication if both operands are
1691         constants.
1692         * expmed.c (expand_widening_mult): Don't try to optimize constant
1693         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1694         before using it.
1695
1696 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1697
1698         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1699         spacing after 'e.g.', typos, comma, hyphenation.
1700
1701 2011-01-17  Richard Henderson  <rth@redhat.com>
1702
1703         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1704         (rx_restricted_mem_operand): New.
1705         (rx_shift_operand): Use register_operand.
1706         (rx_source_operand, rx_compare_operand): Likewise.
1707         * config/rx/rx.md (addsi3_flags): New expander.
1708         (adddi3): Rewrite as expander.
1709         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1710         (subsi3_flags): New expander.
1711         (subdi3): Rewrite as expander.
1712         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1713
1714         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1715         (rx_init_builtins): Remove sat builtin.
1716         (rx_expand_builtin): Likewise.
1717         * config/rx/rx.md (ssaddsi3): New.
1718         (*sat): Rename from sat.  Represent the CC_REG input.
1719
1720         * config/rx/predicates.md (rshift_operator): New.
1721         * config/rx/rx.c (rx_expand_insv): Remove.
1722         * config/rx/rx-protos.h: Update.
1723         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1724         operand to the canonical position.
1725         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1726         (*bitclr, *bitclr_in_memory): Similarly.
1727         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1728         (insv): Retain the zero_extract in the expansion.
1729
1730         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1731         (bswaphi2, bitinvert, revw): Likewise.
1732
1733         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1734         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1735         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1736         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1737         (bitset, bitset_in_memory): Likewise.
1738         (bitinvert, bitinvert_in_memory): Likewise.
1739         (bitclr, bitclr_in_memory): Likewise.
1740         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1741         (rx_strend, rx_cmpstrn): Likewise.
1742         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1743         (bitop peep2 patterns): Remove.
1744
1745         * config/rx/rx.c (rx_match_ccmode): New.
1746         * config/rx/rx-protos.h: Update.
1747         * config/rx/rx.md (abssi2): Clobber, don't set flags.
1748         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
1749         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
1750         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
1751         (fix_truncsfsi2, floatsisf2): Likewise.
1752         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
1753         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
1754         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
1755         (*subsi3_flags, *xorsi3_flags): New.
1756
1757         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
1758
1759         * config/rx/rx.c (rx_print_operand): Remove workaround for
1760         unsplit comparison operations.
1761
1762         * config/rx/rx.md (movsicc): Split after reload.
1763         (*movsicc): Merge *movsieq and *movsine via match_operator.
1764         (*stcc): New pattern.
1765
1766         * config/rx/rx.c (rx_float_compare_mode): Remove.
1767         * config/rx/rx.h (rx_float_compare_mode): Remove.
1768         * config/rx/rx.md (cstoresi4): Split after reload.
1769         (*sccc): New pattern.
1770
1771         * config/rx/predicates.md (label_ref_operand): New.
1772         (rx_z_comparison_operator): New.
1773         (rx_zs_comparison_operator): New.
1774         (rx_fp_comparison_operator): New.
1775         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
1776         Validate that the flags are set properly for the comparison.
1777         (rx_gen_cond_branch_template): Remove.
1778         (rx_cc_modes_compatible): Remove.
1779         (mode_from_flags): New.
1780         (flags_from_code): Rename from flags_needed_for_conditional.
1781         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
1782         (rx_select_cc_mode): Likewise.
1783         (rx_split_fp_compare): New.
1784         (rx_split_cbranch): New.
1785         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
1786         (*cbranchsi4): Use match_operator and rx_split_cbranch.
1787         (*cbranchsf4): Similarly.
1788         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
1789         match_operator and rx_split_cbranch.
1790         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
1791         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
1792         (*cmpsi): Rename from cmpsi.
1793         (*tstsi): Rename from tstsi.
1794         (*cmpsf): Rename from cmpsf; use CC_Fmode.
1795         (*conditional_branch): Rename from conditional_branch.
1796         (*reveresed_conditional_branch): Remove.
1797         (b<code>): Remove expander.
1798         * config/rx/rx-protos.h: Update.
1799
1800         * config/rx/rx.c (rx_compare_redundant): Remove.
1801         * config/rx/rx.md (cmpsi): Don't use it.
1802         * config/rx/rx-protos.h: Update.
1803
1804         * config/rx/rx-modes.def (CC_F): New mode.
1805         * config/rx/rx.c (rx_select_cc_mode): New.
1806         * config/rx/rx.h (SELECT_CC_MODE): Use it.
1807         * config/rx/rx-protos.h: Update.
1808
1809 2011-01-17  Richard Henderson  <rth@redhat.com>
1810
1811         * except.c (dump_eh_tree): Fix stray ; after for statement.
1812
1813 2011-01-17  Richard Guenther  <rguenther@suse.de>
1814
1815         PR tree-optimization/47313
1816         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
1817         handling before copying the body.  Properly deal with
1818         by-reference result in SSA form.
1819
1820 2011-01-17  Ian Lance Taylor  <iant@google.com>
1821
1822         PR target/47219
1823         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
1824         (struct_value_alias_set): Don't define.
1825         (sparc_option_override): Don't set sparc_sr_alias_set and
1826         struct_value_alias_set.
1827         (save_or_restore_regs): Use gen_frame_mem rather than calling
1828         set_mem_alias_set.
1829         (sparc_struct_value_rtx): Likewise.
1830
1831 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1832
1833         PR target/47318
1834         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
1835         __m128i.
1836         (_mm_maskstore_pd): Likewise.
1837         (_mm_maskload_ps): Likewise.
1838         (_mm_maskstore_ps): Likewise.
1839         (_mm256_maskload_pd): Change mask to __m256i.
1840         (_mm256_maskstore_pd): Likewise.
1841         (_mm256_maskload_ps): Likewise.
1842         (_mm256_maskstore_ps): Likewise.
1843
1844         * config/i386/i386-builtin-types.def: Updated.
1845         (ix86_expand_special_args_builtin): Likewise.
1846
1847         * config/i386/i386.c (bdesc_special_args): Update
1848         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
1849         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
1850         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
1851         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
1852
1853         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
1854         Use <avxpermvecmode> on mask register.
1855         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
1856
1857 2011-01-17  Olivier Hainque  <hainque@adacore.com>
1858             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1859             Eric Botcazou  <ebotcazou@adacore.com>
1860
1861         PR target/46655
1862         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
1863         if <= USHRT_MAX in 32-bit mode.
1864
1865 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1866
1867         * doc/install.texi (Configuration, Specific): Wrap long
1868         lines in examples.  Allow line wrapping in long options
1869         and URLs where beneficial for PDF output.
1870
1871 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
1872
1873         * config/mips/mips.c (mips_classify_symbol): Don't return
1874         SYMBOL_PC_RELATIVE for nonlocal labels.
1875
1876 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
1877
1878         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
1879
1880 2011-01-15  Jan Hubicka  <jh@suse.cz>
1881
1882         PR tree-optimization/47276
1883         * ipa.c (function_and_variable_visibility): Do not try to mark alias
1884         declarations as needed.
1885
1886 2011-01-15  Martin Jambor  <mjambor@suse.cz>
1887
1888         * common.opt (fdevirtualize): New flag.
1889         * doc/invoke.texi (Option Summary): Document it.
1890         * opts.c (default_options_table): Add devirtualize flag.
1891         * ipa-prop.c (detect_type_change): Return immediately if
1892         devirtualize flag is not set.
1893         (detect_type_change_ssa): Likewise.
1894         (compute_known_type_jump_func): Likewise.
1895         (ipa_analyze_virtual_call_uses): Likewise.
1896
1897 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1898
1899         PR tree-optimization/45934
1900         PR tree-optimization/46302
1901         * ipa-prop.c (type_change_info): New type.
1902         (stmt_may_be_vtbl_ptr_store): New function.
1903         (check_stmt_for_type_change): Likewise.
1904         (detect_type_change): Likewise.
1905         (detect_type_change_ssa): Likewise.
1906         (compute_complex_assign_jump_func): Check for dynamic type change.
1907         (compute_complex_ancestor_jump_func): Likewise.
1908         (compute_known_type_jump_func): Likewise.
1909         (compute_scalar_jump_functions): Likewise.
1910         (ipa_analyze_virtual_call_uses): Likewise.
1911         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
1912
1913 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1914
1915         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
1916         * config/i386/i386.opt (msse5): New Alias.
1917
1918 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1919
1920         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1921         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1922         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1923         * config/sparc/sparc.h (CC1_SPEC): Likewise.
1924
1925 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1926
1927         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
1928         -mcpu options.
1929         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1930         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1931         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
1932         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
1933         Likewise.
1934         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
1935
1936 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1937
1938         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
1939         -fvec-eabi.
1940
1941 2011-01-14  Mike Stump  <mikestump@comcast.net>
1942
1943         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
1944         * config/fr30/fr30.md: Likweise
1945         (movsi_push): Likewise.
1946         (movsi_pop): Likewise.
1947         (enter_func): Likewise.
1948         * config/moxie/moxie.md (movsi_push): Likewise.
1949         (movsi_pop): Likewise.
1950
1951 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1952
1953         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
1954         %{no_archive} %{exact_version}.
1955         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
1956         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
1957         %{no_archive} %{exact_version}.
1958         * config/mips/openbsd.h (LINK_SPEC): Likewise.
1959         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
1960         * config/mips/vxworks.h: Likewise.
1961
1962 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1963
1964         * config/microblaze/microblaze.h (ASM_SPEC): Remove
1965         %{microblaze1}.
1966
1967 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1968
1969         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
1970         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
1971
1972 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1973
1974         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
1975         -nodefaultlib.
1976
1977 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1978
1979         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
1980         for mcpu not cpu.
1981         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
1982         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
1983         not cpu.
1984         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
1985         Don't handle -shlib.
1986
1987 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1988
1989         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
1990         (CC1_SPEC): Don't handle -profile.
1991
1992 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1993
1994         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
1995         * config/mips/mips.h (CC1_SPEC): Likewise.
1996
1997 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1998
1999         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2000         * config/mips/mips.h (CC1_SPEC): Likewise.
2001
2002 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2003
2004         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2005         * config/m32r/linux.h (LINK_SPEC): Likewise.
2006         * config/mips/linux.h (LINK_SPEC): Likewise.
2007         * config/mips/linux64.h (LINK_SPEC): Likewise.
2008         * config/sparc/linux.h (LINK_SPEC): Likewise.
2009         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2010         LINK_SPEC): Likewise.
2011         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2012
2013 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2014
2015         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2016         %{version:-v}.
2017         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2018
2019 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2020
2021         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2022         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2023
2024 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2025
2026         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2027
2028 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2029
2030         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2031         supports -Bstatic/-Bdynamic.
2032         * configure: Regenerate.
2033
2034 2011-01-14  Jan Hubicka  <jh@suse.cz>
2035         Jack Howarth <howarth@bromo.med.uc.edu>
2036
2037         PR target/46037
2038         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2039         when checking debug_info_level. Test write_symbols instead of
2040         debug_hooks->var_location when setting flag_var_tracking_uninit.
2041
2042 2011-01-14  Richard Guenther  <rguenther@suse.de>
2043
2044         PR tree-optimization/47179
2045         * target.def (ref_may_alias_errno): New target hook.
2046         * targhooks.h (default_ref_may_alias_errno): Declare.
2047         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2048         (default_ref_may_alias_errno): New function.
2049         * target.h (struct ao_ref_s): Declare.
2050         * tree-ssa-alias.c: Include target.h.
2051         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2052         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2053         (targhooks.o): Likewise.
2054         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2055         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2056
2057 2011-01-14  Richard Guenther  <rguenther@suse.de>
2058
2059         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2060
2061 2011-01-14  Richard Guenther  <rguenther@suse.de>
2062
2063         PR tree-optimization/47280
2064         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2065         return CFG changes.
2066         (tree_ssa_forward_propagate_single_use_vars): Deal with
2067         CFG changes from associate_plusminus.
2068
2069 2011-01-14  Richard Guenther  <rguenther@suse.de>
2070
2071         PR middle-end/47281
2072         Revert
2073         2011-01-11  Richard Guenther  <rguenther@suse.de>
2074
2075         PR tree-optimization/46076
2076         * tree-ssa.c (useless_type_conversion_p): Conversions from
2077         unprototyped to empty argument list function types are useless.
2078
2079 2011-01-14  Richard Guenther  <rguenther@suse.de>
2080
2081         PR tree-optimization/47286
2082         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2083
2084 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2085
2086         PR middle-end/46823
2087         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2088
2089 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2090
2091         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2092         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2093         * config/xtensa/xtensa.c (xtensa_libcall_value,
2094         xtensa_function_value_regno_p): New functions.
2095         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2096
2097 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2098
2099         PR c++/47213
2100         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2101         PE specific hook.
2102         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2103         New function prototype.
2104         * config/i386/winnt.c (i386_pe_assemble_visibility):
2105         Warn only if attribute was specified by user.
2106
2107 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2108
2109         PR target/47251
2110         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2111         floating point.
2112         (floatunsdidf2_fcfidu): Ditto.
2113
2114 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2115
2116         * config/s390/s390.c (print_operand_address): Replace 'error' with
2117         'output_operand_lossage'.
2118         (print_operand): Likewise.
2119
2120 2011-01-13  Jeff Law  <law@redhat.com>
2121
2122         PR rtl-optimization/39077
2123         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2124         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2125         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2126         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2127         * gcse.c (prune_insertions_deletions): New function.
2128         (compute_pre_data): Use it.
2129
2130 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2131
2132         PR debug/PR46973
2133         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2134         static function.
2135         (prune_unused_types_mark): Use it.
2136
2137 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2138
2139         PR rtl-optimization/45352
2140         * sel-sched.c: Update copyright years.
2141         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2142         in the advancing loop when we have issued issue_rate insns.
2143
2144 2011-01-12  Richard Henderson  <rth@redhat.com>
2145
2146         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2147         (TARGET_MD_ASM_CLOBBERS): New.
2148
2149         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2150         (TARGET_DELEGITIMIZE_ADDRESS): New.
2151
2152         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2153         (clzsi2, *bsch): New patterns.
2154
2155         * config/mn10300/mn10300.md (INT): New mode iterator.
2156         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2157
2158         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2159         flag_split_wide_types.
2160
2161         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2162         (mn10300_trampoline_init): Rewrite without a template, an immediate
2163         load and a direct branch.
2164         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2165
2166 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2167
2168         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2169         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2170         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2171         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2172
2173 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2174
2175         PR debug/47209
2176         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2177         of type.
2178
2179 2011-01-12  Jan Hubicka  <jh@suse.cz>
2180
2181         PR driver/47244
2182         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2183         (PLUGIN_COND_CLOSE): New macro.
2184         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2185
2186 2011-01-12  Richard Guenther  <rguenther@suse.de>
2187
2188         PR lto/47259
2189         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2190         register variables in a MEM_REF.
2191
2192 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2193
2194         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2195         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2196         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2197         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2198         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2199         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2200         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2201         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2202         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2203         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2204         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2205         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2206         * config/gnu-user.h: New.  Copied from linux.h.
2207         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2208         GNU_USER_TARGET_STARTFILE_SPEC.
2209         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2210         GNU_USER_TARGET_ENDFILE_SPEC.
2211         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2212         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2213         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2214         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2215         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2216         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2217         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2218         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2219         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2220         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2221         * config/arm/linux-eabi.h (CC1_SPEC): Use
2222         GNU_USER_TARGET_CC1_SPEC.
2223         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2224         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2225         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2226         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2227         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2228         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2229         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2230         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2231
2232 2011-01-12  Richard Guenther  <rguenther@suse.de>
2233
2234         PR other/46946
2235         * doc/invoke.texi (ffast-math): Document it is turned on
2236         with -Ofast.
2237
2238 2011-01-12  Jan Hubicka  <jh@suse.cz>
2239
2240         PR tree-optimization/47233
2241         * opts.c (common_handle_option): Disable ipa-reference with profile
2242         feedback.
2243
2244 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2245
2246         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2247         error message.
2248
2249 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2250
2251         * c-parser.c (c_lex_one_token): Updated and reindented some
2252         comments.  No changes in code.
2253
2254 2011-01-11  Ian Lance Taylor  <iant@google.com>
2255
2256         * godump.c (go_output_var): Don't output the variable if there is
2257         already a type with the same name.
2258
2259 2011-01-11  Ian Lance Taylor  <iant@google.com>
2260
2261         * godump.c (go_format_type): Don't generate float80.
2262
2263 2011-01-11  Richard Henderson  <rth@redhat.com>
2264
2265         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2266         declaration.  Rewrite for both speed and size.
2267         (mn10300_address_cost_1): Remove.
2268         (mn10300_register_move_cost): New.
2269         (mn10300_memory_move_cost): New.
2270         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2271         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2272         extensions, shifts, BSWAP, CLZ.
2273         (mn10300_wide_const_load_uses_clr): Remove.
2274         (TARGET_REGISTER_MOVE_COST): New.
2275         (TARGET_MEMORY_MOVE_COST): New.
2276         * config/mn10300/mn10300-protos.h: Update.
2277         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2278
2279         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2280         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2281         * config/mn10300/mn10300-protos.h: Update.
2282         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2283         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2284         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2285         (*test_int_bitfield, *test_byte_bitfield): Remove.
2286         (*bit_test, *subreg_bit_test): Remove.
2287         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2288
2289         * config/mn10300/constraints.md ("c"): Rename from "A".
2290         ("A", "D"): New constraint letters.
2291         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2292         (fmssf4, fnmasf4, fnmssf4): Likewise.
2293
2294         * config/mn10300/mn10300.md (isa): New attribute.
2295         (enabled): New attribute.
2296
2297         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2298         (abssf2, negsf2): Define only for hardware fp.
2299         (sqrtsf2): Reformat.
2300         (addsf3, subsf3, mulsf3): Merge expander and insn.
2301
2302         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2303         (DEBUGGER_AUTO_OFFSET): Remove.
2304         (DEBUGGER_ARG_OFFSET): Remove.
2305
2306         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2307         Emit register stores with the same offsets as the hardware.
2308         (mn10300_store_multiple_operation): Don't check that the register
2309         save offsets are monotonic.
2310         * config/mn10300/mn10300-protos.h: Update.
2311
2312         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2313
2314         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2315         in terms of the value on the stack, not the MDR register.
2316
2317 2011-01-11  Jan Hubicka  <jh@suse.cz>
2318
2319         PR lto/45721
2320         PR lto/45375
2321         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2322         (symbol_alias_set_destroy, symbol_alias_set_contains,
2323         propagate_aliases_backward): Declare.
2324         * lto-streamer-out.c (struct sets): New sturcture.
2325         (trivally_defined_alias): New function.
2326         (output_alias_pair_p): Rewrite.
2327         (output_unreferenced_globals): Fix output of alias pairs.
2328         (produce_symtab): Likewise.
2329         * ipa.c (function_and_variable_visibility): Set weak alias destination
2330         as needed in lto.
2331         * varasm.c (symbol_alias_set_t): Remove.
2332         (symbol_alias_set_destroy): Export.
2333         (propagate_aliases_forward, propagate_aliases_backward): New functions
2334         based on ...
2335         (compute_visible_aliases): ... this one; remove.
2336         (trivially_visible_alias): New
2337         (trivially_defined_alias): New.
2338         (remove_unreachable_alias_pairs): Rewrite.
2339         (finish_aliases_1): Reorganize code checking if alias is defined.
2340         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2341         in LTO mode.
2342
2343 2011-01-11  Richard Guenther  <rguenther@suse.de>
2344
2345         PR tree-optimization/46076
2346         * tree-ssa.c (useless_type_conversion_p): Conversions from
2347         unprototyped to empty argument list function types are useless.
2348
2349 2011-01-11  Richard Guenther  <rguenther@suse.de>
2350
2351         PR middle-end/45235
2352         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2353         volatile MEMs as MEM_READONLY_P.
2354
2355 2011-01-11  Richard Guenther  <rguenther@suse.de>
2356
2357         PR tree-optimization/47239
2358         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2359
2360 2011-01-11  Jeff Law  <law@redhat.com>
2361
2362         PR tree-optimization/47086
2363         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2364         IVs from statements that might throw.
2365
2366 2011-01-10  Jan Hubicka  <jh@suse.cz>
2367
2368         PR lto/45375
2369         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2370
2371 2011-01-10  Jan Hubicka  <jh@suse.cz>
2372
2373         PR lto/45375
2374         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2375         when correcting profile.
2376
2377 2011-01-10  Jan Hubicka  <jh@suse.cz>
2378
2379         PR lto/46083
2380         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2381         DECL_FINI_PRIORITY.
2382         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2383         Restore DECL_FINI_PRIORITY.
2384
2385 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2386
2387         * doc/gimple.texi: Fix quoting of multi-word return values in
2388         @deftypefn statements.  Ensure presence of return value.  Wrap
2389         overlong @deftypefn lines.
2390         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2391         descriptions of removed functions.
2392         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2393         of multi-word return value in @deftypefn statement.
2394
2395 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2396
2397         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2398         (Conditional Expressions, Logical Operators)
2399         (Statement and operand traversals): Do not indent smallexample
2400         code.  Fix duplicate function argument in example.
2401
2402 2011-01-10  Jeff Law  <law@redhat.com>
2403
2404         PR tree-optimization/47141
2405         * ipa-split.c (split_function): Handle case where we are
2406         returning a value and the return block has a virtual operand phi.
2407
2408 2011-01-10  Jan Hubicka  <jh@suse.cz>
2409
2410         PR tree-optimization/47234
2411         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2412         (pass_feedback_split_functions): Declare.
2413         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2414         tree-profile.
2415         * ipa-split.c (gate_split_functions): Update comments; disable
2416         split-functions for profile_arc_flag and branch_probabilities.
2417         (gate_feedback_split_functions): New function.
2418         (execute_feedback_split_functions): New function.
2419         (pass_feedback_split_functions): New global var.
2420
2421 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2422
2423         PR lto/46760
2424         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2425         calling gimple_call_set_cannot_inline.
2426
2427 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2428
2429         * config/darwin-sections.def: Remove unused section.
2430
2431 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2432
2433         PR c++/47218
2434         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2435
2436 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2437
2438         PR objc/47232
2439         * c-parser.c (c_parser_declaration_or_fndef): Improved
2440         error message.
2441
2442 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2443
2444         * config/i386/winnt.c (i386_pe_start_function): Make sure
2445         to switch back to function's section.
2446
2447 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2448
2449         PR gcc/46902
2450         PR testsuite/46912
2451         * plugin.c: Move include of dlfcn.h from here...
2452         * system.h: ... to here.
2453
2454 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2455
2456         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2457         file name.
2458         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2459         two extra empty pages in PDF output.
2460
2461 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2462
2463         PR objc/47078
2464         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2465         for error recovery purposes behave as if it was not specified so
2466         that the default type is usd.
2467
2468 2011-01-07  Jan Hubicka  <jh@suse.cz>
2469
2470         PR tree-optmization/46469
2471         * ipa.c (function_and_variable_visibility): Clear needed flags on
2472         nodes with external decls; handle weakrefs merging correctly.
2473
2474 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2475
2476         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2477         not false.
2478
2479 2011-01-07  Jan Hubicka  <jh@suse.cz>
2480
2481         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2482         and no longer claim that gold is required for linker plugin.
2483         * configure: Regenerate.
2484         * gcc.c (PLUGIN_COND): New macro.
2485         (LINK_COMMAND_SPEC): Use it.
2486         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2487         * config.in (HAVE_LTO_PLUGIN): New.
2488         * configure.ac (--with-lto-plugin): New parameter; autodetect
2489         HAVE_LTO_PLUGIN.
2490
2491 2011-01-07  Jan Hubicka  <jh@suse.cz>
2492
2493         PR tree-optimization/46367
2494         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2495         when we can update original.
2496         (cgraph_mark_inline_edge): Sanity check.
2497         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2498
2499 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2500
2501         * config/spu/spu.h (ASM_COMMENT_START): Define.
2502
2503 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2504
2505         PR driver/42445
2506         * gcc.c (%>S): New.
2507         (SWITCH_KEEP_FOR_GCC): Likewise.
2508         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2509         (do_spec_1): Handle "%>".
2510
2511         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2512
2513 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2514
2515         PR target/47201
2516         * config/i386/i386.c (ix86_delegitimize_address): If
2517         simplify_gen_subreg fails, return orig_x.
2518
2519         PR bootstrap/47187
2520         * value-prof.c (gimple_stringop_fixed_value): Handle
2521         lhs of the call properly.
2522
2523 2011-01-07  Jan Hubicka  <jh@suse.cz>
2524
2525         PR lto/45375
2526         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2527
2528 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2529
2530         * target.def (function_switched_text_sections): New hook.
2531         * doc/tm.texi: Regenerated.
2532         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2533         * final.c (default_function_switched_text_sections): New.
2534         (final_scan_insn): Call function_switched_text_sections when a
2535         mid-function section change occurs.
2536         * output.h (default_function_switched_text_sections): Declare.
2537         * config/darwin-protos.h (darwin_function_switched_text_sections):
2538         Likewise.
2539         * config/darwin.c (darwin_function_switched_text_sections): New.
2540         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2541
2542 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2543
2544         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2545         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2546         the secondary code fragment when outputting for DWARF == 2.
2547
2548 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2549
2550         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2551         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2552         Remove.
2553         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2554         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2555
2556 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2557
2558         PR debug/46704
2559         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2560         when it is not empty.
2561
2562 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2563
2564         Bobcat Enablement
2565         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2566         (case ${target}): Add btver1.
2567         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2568         -march=native recognize btver1 processors.
2569         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2570         btver1 def_and_undef
2571         * config/i386/i386.c (struct processor_costs btver1_cost): New
2572         btver1 cost table.
2573         (m_BTVER1): New definition.
2574         (m_AMD_MULTIPLE): Includes m_BTVER1.
2575         (initial_ix86_tune_features): Add btver1 tune.
2576         (processor_target_table): Add btver1 entry.
2577         (static const char *const cpu_names): Add btver1 entry.
2578         (software_prefetching_beneficial_p): Add btver1.
2579         (ix86_option_override_internal): Add btver1 instruction sets.
2580         (ix86_issue_rate): Add btver1.
2581         (ix86_adjust_cost): Add btver1.
2582         * config/i386/i386.h (TARGET_BTVER1): New definition.
2583         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2584         (enum processor_type): Add PROCESSOR_BTVER1.
2585         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2586
2587 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2588
2589         PR target/43309
2590         * config/i386/i386.c (legitimize_tls_address)
2591         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2592         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2593         (tls_initial_exec_64_sun): New pattern.
2594
2595 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2596
2597         * doc/invoke.texi (Overall Options): Improve wording and markup
2598         of the description of -wrapper.
2599
2600 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2601
2602         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2603         rdynamic, threads): New Driver options.
2604
2605 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2606
2607         PR target/38118
2608         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2609         if coming from .tdata.
2610         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2611
2612 2011-01-06  Jan Hubicka  <jh@suse.cz>
2613
2614         PR lto/47188
2615         * collect2.c (main): Do not enable LTOmode when plugin is active.
2616
2617 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2618
2619         PR other/45915
2620         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2621         --version output if supported.
2622         * configure: Regenerate.
2623
2624 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2625
2626         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2627         Driver options.
2628
2629 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR c/47150
2632         * c-convert.c (convert): When converting a complex expression
2633         other than COMPLEX_EXPR to a different complex type, ensure
2634         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2635         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2636         when converting COMPLEX_TYPE.
2637
2638 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2639
2640         PR tree-optimization/47139
2641         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2642         only the last reduction value is used outside the loop.  Update
2643         documentation.
2644
2645 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2646
2647         * config/rtems.opt: New.
2648         * config.gcc (*-*-rtems*): Use rtems.opt.
2649
2650 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2651
2652         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2653         processors do not support 3DNow instructions.
2654
2655 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2656
2657         * config/spu/spu.c (spu_option_override): Set parameter
2658         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2659
2660 2011-01-05  Jan Hubicka  <jh@suse.cz>
2661
2662         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2663         at the command line.
2664
2665 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2666
2667         PR lto/47162
2668         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2669         deltas on streamed outgoing edges.
2670         (output_node_opt_summary): Output info for outgoing edges only when
2671         the node is in new parameter set.
2672         (output_cgraph_opt_summary): New parameter set, passed to the two
2673         aforementioned functions.  Update its forward declaration and its
2674         callee too.
2675
2676 2011-01-05  Tom Tromey  <tromey@redhat.com>
2677
2678         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2679         operator to c_finish_omp_atomic.
2680         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2681         (build_unary_op): Update.
2682         (build_modify_expr): Update.
2683         (build_asm_expr): Update.
2684
2685 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2686
2687         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2688         newly inserted insns.
2689         (pad_bb): Likewise.
2690         (spu_emit_branch_hint): Likewise.
2691         (insert_hbrp_for_ilb_runout): Likewise.
2692         (spu_machine_dependent_reorg): Call df_finish_pass after
2693         schedule_insns returns.
2694
2695 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2696
2697         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2698
2699 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2700
2701         PR tree-optimization/47005
2702         * tree-sra.c (struct access): Add 'non_addressable' bit.
2703         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2704         (decide_one_param_reduction): Return 0 if the parameter is passed by
2705         reference and one of the accesses in the group is non_addressable.
2706
2707 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2708
2709         PR tree-optimization/47056
2710         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2711         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2712         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2713
2714 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2715
2716         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2717         initializer.  Skip view conversions from aggregate types.
2718
2719 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2720
2721         PR bootstrap/47055
2722         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2723
2724 2011-01-04  Philipp Thomas <pth@suse.de>
2725
2726         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2727         obvious typo.
2728
2729 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2730
2731         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2732         on empty epilogue sequences.
2733
2734 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2735
2736         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2737         non-static): New Driver options.
2738
2739 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2740
2741         PR driver/47137
2742         * gcc.c (default_compilers[]): Set combinable field to 0
2743         for all assembly languages.
2744
2745 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
2746
2747         * config/mips/loongson3a.md: New file.
2748         * config/mips/mips.md: Include loongson3a.md.
2749         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
2750         TUNE_LOONGSON_3A.
2751
2752 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
2753
2754         PR middle-end/47017
2755         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
2756         instead of convert_memory_address_addr_space on the base expression.
2757
2758 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2759
2760         * config/spu/spu.c (spu_option_override): Update error text
2761         for bad -march= / -mtune= values.
2762
2763 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2764
2765         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
2766         if branch-hint optimization will be performed.
2767
2768 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2769
2770         PR tree-optimization/47148
2771         * ipa-split.c (split_function): Convert arguments to
2772         DECL_ARG_TYPE if possible.
2773
2774         PR tree-optimization/47155
2775         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
2776         when computing uns.
2777
2778         PR rtl-optimization/47157
2779         * combine.c (try_combine): If undobuf.other_insn becomes
2780         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
2781         and set *new_direct_jump_p too.
2782
2783 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         PR tree-optimization/47021
2786         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
2787
2788 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2789
2790         * gcc.c (process_command): Update copyright notice dates.
2791         * gcov.c (print_version): Likewise.
2792         * gcov-dump.c (print_version): Likewise.
2793         * mips-tfile.c (main): Likewise.
2794         * mips-tdump.c (main): Likewise.
2795
2796 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2797
2798         PR tree-optimization/46801
2799         * tree-sra.c (type_internals_preclude_sra_p): Check whether
2800         aggregate fields start at byte boundary instead of the bit-field flag.
2801
2802 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
2803
2804         PR driver/47137
2805         * gcc.c (main): Revert revision 168407.
2806
2807 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2808
2809         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
2810
2811 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2812
2813         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
2814         vector optab to expand vector/scalar shift, update gimple to vector.
2815
2816 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2817
2818         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
2819         a thunk.
2820
2821 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2822
2823         PR tree-optimization/46984
2824         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
2825         HOST_WIDE_INT.
2826         (cgraph_create_indirect_edge): Fixed line length.
2827         (cgraph_indirect_call_info): Declare.
2828         (cgraph_make_edge_direct) Update declaration.
2829         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
2830         (cgraph_create_indirect_edge): Use it.
2831         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
2832         callees.
2833         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
2834         the new thunk_delta representation.
2835         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
2836         HOST_WIDE_INT.
2837         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
2838         (ipa_read_indirect_edge_info): Likewise.
2839         * lto-cgraph.c (output_edge_opt_summary): New function.
2840         (output_node_opt_summary): Call it on all outgoing edges.
2841         (input_edge_opt_summary): New function.
2842         (input_node_opt_summary): Call it on all outgoing edges.
2843
2844 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2845
2846         PR driver/47137
2847         * gcc.c (main): Don't check have_o when settting combine_inputs.
2848
2849 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2850
2851         * regrename.c: Add general comment describing the pass.
2852         (struct du_head): Remove 'length' field.
2853         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
2854         (regrename_optimize): Do not sort chains.  Rework comments, add others.
2855         Force renaming to the preferred class (if any) in the first pass and do
2856         not consider registers that belong to it in the second pass.
2857         (create_new_chain): Do not set 'length' field.
2858         (scan_rtx_reg): Likewise.
2859
2860 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
2861
2862         PR tree-optimization/47140
2863         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
2864         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
2865         to bit_value_binop.
2866
2867         PR rtl-optimization/47028
2868         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
2869         parm_birth_insn instead of at the beginning of first bb.
2870
2871 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
2872
2873         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
2874         Remove the word "see" before "@pxref".
2875         * doc/rtl.texi: Remove the word "see" before "@pxref".
2876
2877 2011-01-01  Jan Hubicka  <jh@suse.cz>
2878
2879         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
2880         memory.
2881
2882 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
2883
2884         PR target/38662
2885         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
2886
2887 \f
2888 Copyright (C) 2011 Free Software Foundation, Inc.
2889
2890 Copying and distribution of this file, with or without modification,
2891 are permitted in any medium without royalty provided the copyright
2892 notice and this notice are preserved.