gcc/ChangeLog

   1 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
   2
   3         PR target/47558
   4         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
   5         on 10.6 and later to ensure that we always use the unwinder from
   6         the system.  Only add -no_compact_unwind when tarteting darwin
   7         10.6 or later.
   8
   9 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
  10
  11         PR target/46997
  12         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
  13         (vec_interleave_lowv2sf): Ditto.
  14         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
  15         (vec_extract_oddv2sf): Ditto.
  16
  17 2011-02-07  Mike Stump  <mikestump@comcast.net>
  18
  19         PR target/42333
  20         Add __ieee_divdc3 entry point.
  21         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
  22         entry point.
  23         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
  24         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
  25         * config/darwin.c (darwin_rename_builtins): Add.
  26         * config/darwin-protos.h (darwin_rename_builtins): Add.
  27
  28 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
  29
  30         PR target/47636
  31         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
  32         for the condition.
  33
  34 2011-02-07  Mike Stump  <mikestump@comcast.net>
  35
  36         * config/darwin.opt (mmacosx-version-min): Update default OS
  37         version.
  38
  39 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
  40
  41         PR target/47534
  42         * config/avr/libgcc.S (exit): Move .endfunc
  43
  44 2011-02-07  Richard Guenther  <rguenther@suse.de>
  45
  46         PR tree-optimization/47615
  47         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
  48         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
  49         (run_scc_vn): Initialize it.
  50         (visit_reference_op_load): Use it.
  51         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
  52
  53 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  54
  55         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
  56         DImode trapping arithmetic libfuncs.
  57
  58 2011-02-07  Richard Guenther  <rguenther@suse.de>
  59
  60         PR tree-optimization/47621
  61         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
  62         two duplicates ...
  63         (execute_update_addresses_taken): ... here.  Make it more
  64         conservative in what we accept.
  65
  66 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
  67
  68         * config/sparc/freebsd.h (ASM_SPEC): Define.
  69         * config/sparc/vxworks.h (ASM_SPEC): Define.
  70
  71 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
  72
  73         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
  74
  75 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
  76
  77         * doc/invoke.texi: Remove reference to compiler internals from
  78         user documentation.
  79
  80         * reg-notes.def: Remove REG_VALUE_PROFILE.
  81         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
  82
  83 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
  84
  85         PR middle-end/47610
  86         * varasm.c (default_section_type_flags): If decl is NULL,
  87         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
  88
  89 2011-02-05  Jie Zhang  <jie@codesourcery.com>
  90
  91         PR debug/42631
  92         * web.c (entry_register): Don't clobber the number of the
  93         first uninitialized reference in used[].
  94
  95 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         PR tree-optimization/46194
  98         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
  99         (build_classic_dist_vector_1): Do not represent classic distance
 100         vectors when the access functions are variating in different loops.
 101
 102 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 103
 104         * config/mips/iris6.opt: New.
 105         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
 106
 107 2011-02-04  Richard Henderson  <rth@redhat.com>
 108             Steve Ellcey  <sje@cup.hp.com>
 109
 110         PR target/46997
 111         * config/ia64/predicates.md (mux1_brcst_element): New.
 112         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
 113         * config/ia64/ia64.c (ia64_unpack_assemble): New.
 114         (ia64_unpack_sign): New.
 115         (ia64_expand_unpack): Rewrite using new routines.
 116         (ia64_expand_widen_sum): Ditto.
 117         (ia64_expand_dot_prod_v8qi): Ditto.
 118         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
 119         routines, add endian check.
 120         (pmpy2_even): Rename from pmpy2_r, add endian check.
 121         (pmpy2_odd): Rename from pmpy2_l, add endian check.
 122         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
 123         (vec_widen_smult_hi_v4hi): Ditto.
 124         (vec_widen_umult_lo_v4hi): Ditto.
 125         (vec_widen_umult_hi_v4hi): Ditto.
 126         (mulv2si3): Change endian checks.
 127         (sdot_prodv4hi): Rewrite with new calls.
 128         (udot_prodv4hi): New.
 129         (vec_pack_ssat_v4hi): Add endian check.
 130         (vec_pack_usat_v4hi): Ditto.
 131         (vec_pack_ssat_v2si): Ditto.
 132         (max1_even): Rename from max1_r, add endian check.
 133         (max1_odd): Rename from max1_l, add endian check.
 134         (*mux1_rev): Format change.
 135         (*mux1_mix): Ditto.
 136         (*mux1_shuf): Ditto.
 137         (*mux1_alt): Ditto.
 138         (*mux1_brcst_v8qi): Use new predicate.
 139         (vec_extract_evenv8qi): Remove endian check.
 140         (vec_extract_oddv8qi): Ditto.
 141         (vec_interleave_lowv4hi): Format change.
 142         (vec_interleave_highv4hi): Ditto.
 143         (mix2_even): Rename from mix2_r, add endian check.
 144         (mix2_odd): Rename from mux2_l, add endian check.
 145         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
 146         (vec_extract_evenodd_helper): Format change.
 147         (vec_extract_evenv4hi): Remove endian check.
 148         (vec_extract_oddv4hi): Remove endian check.
 149         (vec_interleave_lowv2si): Format change.
 150         (vec_interleave_highv2si): Format change.
 151         (vec_initv2si): Remove endian check.
 152         (vecinit_v2si): Add endian check.
 153         (reduc_splus_v2sf): Add endian check.
 154         (reduc_smax_v2sf): Ditto.
 155         (reduc_smin_v2sf): Ditto.
 156         (vec_initv2sf): Remove endian check.
 157         (fpack): Add endian check.
 158         (fswap): Add endian check.
 159         (vec_interleave_highv2sf): Add endian check.
 160         (vec_interleave_lowv2sf): Add endian check.
 161         (fmix_lr): Add endian check.
 162         (vec_setv2sf): Format change.
 163         (*vec_extractv2sf_0_be): Use shift to extract operand.
 164         (*vec_extractv2sf_1_be): New.
 165         (vec_pack_trunc_v4hi): Add endian check.
 166         (vec_pack_trunc_v2si): Format change.
 167
 168 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
 169
 170         PR inline-asm/23200
 171         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
 172         do bb, locus and block comparison and disallow loads if it is not set.
 173         (stmt_is_replaceable_p): New function.
 174         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
 175         callers.
 176         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
 177         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
 178         SSA_NAME_DEF_STMT.
 179         * tree-flow.h (stmt_is_replaceable_p): New prototype.
 180
 181 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 182
 183         * config/rs6000/xilinx.opt: New.
 184         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
 185
 186 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 187
 188         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
 189
 190 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
 191
 192         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
 193         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
 194         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
 195         secondary_reload_info, xtensa_secondary_reload): Remove.
 196         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
 197         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 198         (xtensa_preferred_reload_class): Make static. Change return and
 199         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
 200         Use CONST_DOUBLE_P predicate.
 201         (xtensa_preferred_output_reload_class): New function.
 202         (xtensa_secondary_reload): Make static.
 203
 204 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
 205
 206         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
 207         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
 208         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
 209
 210 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 211
 212         PR middle-end/31490
 213         * output.h (SECTION_RELRO): Define.
 214         (SECTION_MACH_DEP): Adjust.
 215         (get_variable_section): New prototype.
 216         * varpool.c (varpool_finalize_named_section_flags): New function.
 217         (varpool_assemble_pending_decls): Call it.
 218         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
 219         * cgraphunit.c (cgraph_output_in_order): Call
 220         varpool_finalize_named_section_flags.
 221         * varasm.c (get_section): Allow section flags conflicts between
 222         relro and read-only sections if the section hasn't been declared yet.
 223         Set SECTION_OVERRIDE after diagnosing section type conflict.
 224         (get_variable_section): No longer static.
 225         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
 226         readonly sections that need relocations.
 227         (decl_readonly_section_1): New function.
 228         (decl_readonly_section): Use it.
 229
 230         Revert:
 231         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
 232                     Steve Ellcey  <sje@cup.hp.com>
 233
 234         PR middle-end/31490
 235         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
 236         if section attribute used.
 237
 238 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 239
 240         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
 241         * config/darwin.c (SECTION_NO_ANCHOR): Define.
 242         (darwin_init_sections): Remove assertion.
 243
 244 2011-02-03  Nick Clifton  <nickc@redhat.com>
 245
 246         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
 247         lt and ge.
 248         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
 249         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
 250         instead of "n" and "pz".
 251         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
 252         CC_FLAG_S.
 253
 254 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 255
 256         PR target/47312
 257         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
 258         fma, expand FMA_EXPR as fma{,f,l} call.
 259
 260         PR lto/47274
 261         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
 262         copy them into a unsigned char variable and pass address of it to
 263         lto_output_data_stream.
 264
 265         PR target/47564
 266         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
 267         around backend_init_target and lang_dependent_init_target calls.
 268         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
 269         (verify_cgraph_node): Don't call set_cfun here.  Use
 270         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
 271         Set error_found for incorrectly represented calls to thunks.
 272
 273 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
 274
 275         PR debug/43092
 276         PR rtl-optimization/43494
 277         * rtl.h (for_each_inc_dec_fn): New type.
 278         (for_each_inc_dec): Declare.
 279         * rtlanal.c (struct for_each_inc_dec_ops): New type.
 280         (for_each_inc_dec_find_inc_dec): New fn.
 281         (for_each_inc_dec_find_mem): New fn.
 282         (for_each_inc_dec): New fn.
 283         * dse.c (struct insn_size): Remove.
 284         (replace_inc_dec, replace_inc_dec_mem): Remove.
 285         (emit_inc_dec_insn_before): New fn.
 286         (check_for_inc_dec): Use it, along with for_each_inc_dec.
 287         (canon_address): Pass mem modes to cselib_lookup.
 288         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
 289         (cselib_lookup_from_insn): Likewise.
 290         (cselib_subst_to_values): Likewise.
 291         * cselib.c (find_slot_memmode): New var.
 292         (cselib_find_slot): New fn.  Use it instead of
 293         htab_find_slot_with_hash everywhere.
 294         (entry_and_rtx_equal_p): Use find_slot_memmode.
 295         (autoinc_split): New fn.
 296         (rtx_equal_for_cselib_p): Rename and implement in terms of...
 297         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
 298         Deal with autoinc.  Special-case recursion into MEMs.
 299         (cselib_hash_rtx): Likewise.
 300         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
 301         address and MEM modes.
 302         (cselib_subst_to_values): Add memmode, pass it on.
 303         Deal with autoinc.
 304         (cselib_lookup): Add memmode argument, pass it on.
 305         (cselib_lookup_from_insn): Add memmode.
 306         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
 307         (struct cselib_record_autoinc_data): New.
 308         (cselib_record_autoinc_cb): New fn.
 309         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
 310         mode to cselib_lookup.  Reset autoinced REGs here instead of...
 311         (cselib_process_insn): ... here.
 312         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
 313         to cselib_lookup.
 314         (add_uses): Likewise, also to cselib_subst_to_values.
 315         (add_stores): Likewise.
 316         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
 317         cselib_subst_to_values.
 318         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
 319         * gcse.c (do_local_cprop): Adjusted.
 320         * postreload.c (reload_cse_simplify_set): Adjusted.
 321         (reload_cse_simplify_operands): Adjusted.
 322         * sel-sched-dump (debug_mem_addr_value): Pass mode.
 323
 324 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
 325
 326         PR tree-optimization/45122
 327         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
 328         unsafe assumptions when there's more than one loop exit.
 329
 330 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
 331
 332         PR target/47272
 333         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
 334         Document using vector double with the load/store builtins, and
 335         that the load/store builtins always use Altivec instructions.
 336
 337         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
 338         to use altivec memory instructions, even on VSX.
 339         (vector_altivec_store_<mode>): Ditto.
 340
 341         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
 342         function.
 343
 344         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 345         V2DF, V2DI support to load/store overloaded builtins.
 346
 347         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
 348         altivec load/store builtins for V2DF/V2DI types.
 349
 350         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
 351         set avoid indexed addresses on power6 if -maltivec.
 352         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
 353         vector_altivec_load/vector_altivec_store builtins.
 354         (altivec_expand_st_builtin): Ditto.
 355         (altivec_expand_builtin): Add VSX memory builtins.
 356         (rs6000_init_builtins): Add V2DI types to internal types.
 357         (altivec_init_builtins): Add support for V2DF/V2DI altivec
 358         load/store builtins.
 359         (rs6000_address_for_altivec): Insure memory address is appropriate
 360         for Altivec.
 361
 362         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
 363         vec_vsx_ld and vec_vsx_st.
 364         (vsx_store_<mode>): Ditto.
 365
 366         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
 367         variables to hold long long types for VSX vector memory builtins.
 368         (RS6000_BTI_unsigned_long_long): Ditto.
 369         (long_long_integer_type_internal_node): Ditti.
 370         (long_long_unsigned_type_internal_node): Ditti.
 371
 372         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
 373         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
 374         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
 375
 376         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
 377         short cuts.
 378         (vec_vsx_st): Ditto.
 379
 380 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 381
 382         * config/pa/pa-hpux10.opt: New.
 383         * config/hpux11.opt (pthread): New Driver option.
 384         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
 385         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
 386
 387 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 388
 389         * config/ia64/vms.opt: New.
 390         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
 391
 392 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
 393
 394         PR target/47580
 395         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
 396         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
 397         generator functions.
 398         (vsx_floatuns<VSi><mode>2): Ditto.
 399         (vsx_fix_trunc<mode><VSi>2): Ditto.
 400         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
 401
 402 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
 403
 404         * config/i386/djgpp.opt (posix): New Driver option.
 405
 406 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
 407
 408         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
 409         Move to the unsupported targets list.
 410
 411 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
 412
 413         PR rtl-optimization/47525
 414         * df-scan.c: Update copyright years.
 415         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
 416         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
 417
 418 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 419
 420         * config/i386/sysv4.h (TARGET_VERSION): Remove.
 421         (SUBTARGET_RETURN_IN_MEMORY): Remove.
 422         (ASM_OUTPUT_ASCII): Remove.
 423         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
 424
 425 2011-02-02  Jeff Law  <law@redhat.com>
 426
 427         PR middle-end/47543
 428         * reload.c (find_reloads_address): Handle reg+d address where both
 429         components are invalid by reloading the entire address.
 430
 431 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
 432             Richard Guenther  <rguenther@suse.de>
 433
 434         PR tree-optimization/40979
 435         PR bootstrap/47044
 436         * passes.c (init_optimization_passes): After LIM call copy_prop
 437         and DCE to clean up.
 438         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
 439
 440 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
 441
 442         PR tree-optimization/47576
 443         PR tree-optimization/47555
 444         * doc/invoke.texi (scev-max-expr-complexity): Documented.
 445         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 446         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
 447         * tree-scalar-evolution.c (follow_ssa_edge): Use
 448         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
 449
 450 2011-02-02  Richard Guenther  <rguenther@suse.de>
 451
 452         PR tree-optimization/47566
 453         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
 454
 455 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
 456
 457         PR debug/47106
 458         PR debug/47402
 459         * tree-inline.c (declare_return_variable): Remove unused caller
 460         variable.
 461
 462         PR debug/47106
 463         PR debug/47402
 464         * tree-flow-inline.h (clear_is_used, is_used_p): New.
 465         * cfgexpand.c (account_used_vars_for_block): Use them.
 466         * tree-nrv.c (tree_nrv): Likewise.
 467         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
 468         (dump_scope_block): Likewise.
 469         (remove_unused_locals): Likewise.
 470
 471         PR debug/47106
 472         PR debug/47402
 473         * tree-inline.c (declare_return_variable): Add result decl to
 474         local decls only once.
 475         * gimple-low.c (record_vars_into): Mark newly-created variables
 476         as referenced.
 477
 478 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
 479
 480         PR debug/47498
 481         PR debug/47501
 482         PR debug/45136
 483         PR debug/45130
 484         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 485         debug insns.
 486         (no_real_insns_p, schedule_block, set_priorities): Drop special
 487         treatment of boundary debug insns.
 488         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
 489         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
 490         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 491         (BOUNDARY_DEBUG_INSN_P): Likewise.
 492         (SCHEDULE_DEBUG_INSN_P): Likewise.
 493         * sched-rgn.c (init_ready_list): Drop special treatment of
 494         boundary debug insns.
 495         * final.c (rest_of_clean_state): Clear notes' BB.
 496
 497 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 498
 499         * config/openbsd.opt (assert=): New Driver option.
 500
 501 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 502
 503         * config/i386/nto.opt: New.
 504         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
 505
 506 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 507
 508         * config/i386/netware.opt: New.
 509         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
 510
 511 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 512
 513         * config/interix.opt (posix): New Driver option.
 514
 515 2011-02-01  DJ Delorie  <dj@redhat.com>
 516
 517         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
 518
 519         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
 520         class for A0/A1.
 521
 522 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         PR tree-optimization/47561
 525         * toplev.c (process_options): Print the Graphite flags.  Add
 526         flag_loop_flatten to the list of options requiring Graphite.
 527
 528 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 529
 530         * config/i386/cygming.opt (posix): New Driver option.
 531
 532 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 533
 534         * config/arm/vxworks.opt: New.
 535         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
 536
 537 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
 538
 539         * config/alpha/elf.opt: New.
 540         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
 541         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
 542
 543 2011-02-01  Richard Guenther  <rguenther@suse.de>
 544
 545         PR tree-optimization/47559
 546         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
 547         store-motion on references that can throw.
 548
 549 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
 550
 551         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
 552         * tree-pass.h (TDF_CSELIB): New macro.
 553         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
 554         cselib_lookup): Check for it rather than for TDF_DETAILS.
 555
 556 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
 557
 558         PR driver/47547
 559         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
 560         is HOST_BIT_BUCKET.
 561
 562         * opts.c (finish_options): Don't add x_aux_base_name if it is
 563         HOST_BIT_BUCKET.
 564
 565 2011-02-01  Richard Guenther  <rguenther@suse.de>
 566
 567         PR tree-optimization/47555
 568         Revert
 569         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 572
 573 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
 574
 575         PR gcc/46692
 576         * config/lm32/t-lm32: Add multilib for all CPU options.
 577
 578 2011-02-01  Richard Guenther  <rguenther@suse.de>
 579
 580         PR tree-optimization/47541
 581         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
 582         sure to have a field at offset zero.
 583
 584 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 585
 586         * config/arc/arc.opt (EB, EL): New Driver options.
 587
 588 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 589
 590         * config/alpha/osf5.opt: New.
 591         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
 592
 593 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
 594
 595         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
 596
 597 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
 598
 599         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
 600         -floop-interchange.
 601         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
 602         is an alias of -floop-interchange and that it requires the
 603         Graphite infrastructure.
 604         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
 605         flag_loop_interchange based on the value of flag_tree_loop_linear.
 606
 607 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
 608             Richard Guenther  <rguenther@suse.de>
 609
 610         PR tree-optimization/47538
 611         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
 612         type instead of r1type, except for comparisons.  For right
 613         shifts and comparisons punt if there are mismatches in
 614         sizetype vs. non-sizetype types.
 615
 616 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 617
 618         * doc/sourcebuild.texi (Effective-Target Keywords): Document
 619         avx_runtime.
 620
 621 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 622
 623         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
 624         version number.
 625         * configure: Regenerate.
 626
 627 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 628
 629         * configure.ac (gcc_cv_ld_static_option): Define.
 630         (gcc_cv_ld_dynamic_option): Define.
 631         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
 632         instead.
 633         (HAVE_LD_STATIC_DYNAMIC): Update message.
 634         (LD_STATIC_OPTION): Define.
 635         (LD_DYNAMIC_OPTION): Define.
 636         * configure: Regenerate.
 637         * config.in: Regenerate.
 638         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
 639         HAVE_LD_STATIC_DYNAMIC]: Use them.
 640
 641 2011-01-31  Nick Clifton  <nickc@redhat.com>
 642
 643         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
 644         registers inside interrupt handlers if the handler is not a leaf
 645         function.
 646
 647 2011-01-31  Nick Clifton  <nickc@redhat.com>
 648
 649         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
 650         reg_renumber returning an INVALID_REGNUM.
 651
 652 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 653
 654         PR libgcj/44341
 655         * doc/install.texi: Document host options discarded when cross
 656         configuring target libraries.
 657
 658 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 659
 660         Reverted:
 661         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 662         PR debug/45136
 663         PR debug/45130
 664         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 665         debug insns.
 666         (no_real_insns_p, schedule_block, set_priorities): Drop special
 667         treatment of boundary debug insns.
 668         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
 669         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 670         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 671         (BOUNDARY_DEBUG_INSN_P): Likewise.
 672         (SCHEDULE_DEBUG_INSN_P): Likewise.
 673         * sched-rgn.c (init_ready_list): Drop special treatment of
 674         boundary debug insns.
 675         * final.c (rest_of_clean-state): Clear notes' BB.
 676
 677 2011-01-31  Alan Modra  <amodra@gmail.com>
 678
 679         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
 680         toc relative expressions as we do in print_operand_address.
 681
 682 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
 683
 684         * doc/extend.texi: Follow spelling conventions.
 685         * doc/invoke.texi: Fix a typo.
 686
 687 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
 688
 689         * config/hpux11.opt: New.
 690         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
 691         ia64*-*-hpux*): Use hpux11.opt.
 692
 693 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
 694
 695         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
 696         to tmake_file.
 697
 698 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 699
 700         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
 701         support sites.
 702
 703 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 704
 705         * doc/install.texi (Binaries): Remove outdated reference for
 706         Motorola 68HC11/68HC12 downloads.
 707
 708 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
 709
 710         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
 711         Drepper's paper.
 712
 713 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
 714
 715         PR bootstrap/47147
 716         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
 717         used by NetBSD.
 718
 719 2011-01-28  Ahmad Sharif  <asharif@google.com>
 720
 721         * value-prof.c (check_counter): Corrected error message.
 722
 723 2011-01-29  Jie Zhang  <jie@codesourcery.com>
 724
 725         * config/arm/arm.c (arm_legitimize_reload_address): New.
 726         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
 727         arm_legitimize_reload_address.
 728         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
 729
 730 2011-01-28  Ian Lance Taylor  <iant@google.com>
 731
 732         * godump.c (go_define): Ignore macros whose definitions include
 733         two adjacent operands.
 734
 735 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
 736
 737         PR target/42894
 738         * varasm.c (force_const_mem): Store copy of x in desc->constant
 739         instead of x itself.
 740         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
 741         itself into REG_EQUAL note.
 742
 743 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
 744
 745         * config/freebsd.opt (posix, rdynamic): New Driver options.
 746
 747 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 748
 749         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
 750         -Bstatic/-Bdynamic.
 751         * configure: Regenerate.
 752
 753 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
 754
 755         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
 756         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
 757
 758 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
 759
 760         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
 761         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
 762         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
 763         (s390_preferred_reload_class): Make static. Change return and
 764         'rclass' argument type to reg_class_t.
 765
 766 2011-01-27  Jan Hubicka  <jh@suse.cz>
 767
 768         PR middle-end/46949
 769         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
 770         (process_function_and_variable_attributes): Check defined weakrefs.
 771
 772 2011-01-27  Martin Jambor  <mjambor@suse.cz>
 773
 774         PR tree-optimization/47228
 775         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
 776         build_ref_for_offset.
 777
 778 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 779
 780         * config/spu/spu-elf.h (ASM_SPEC): Remove.
 781
 782 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
 783
 784         PR rtl-optimization/46856
 785         * postreload.c (reload_combine_recognize_const_pattern): Do not
 786         separate cc0 setter and user on cc0 targets.
 787
 788 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
 789
 790         PR c/43082
 791         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
 792         passed a VOID_TYPE expression, immediately emit an error and
 793         return error_mark_node.
 794
 795 2011-01-26  Jeff Law  <law@redhat.com>
 796
 797         PR rtl-optimization/47464
 798         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
 799         rather than may_trap_p as needed.
 800
 801 2011-01-26  DJ Delorie  <dj@redhat.com>
 802
 803         PR rtl-optimization/46878
 804         * combine.c (insn_a_feeds_b): Check for the implicit cc0
 805         setter/user dependency as well.
 806
 807 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
 808
 809         PR rtl-optimization/44469
 810         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
 811         after removing trivially dead basic blocks.
 812
 813 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 814
 815         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
 816         * config/frv/frv.h (LINK_SPEC): Likewise.
 817         * config/i386/netware.h (LINK_SPEC): Likewise.
 818         * config/m68k/linux.h (ASM_SPEC): Likewise.
 819         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
 820         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 821         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 822         * config/sparc/linux.h (ASM_SPEC): Likewise.
 823         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 824         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 825
 826 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 827
 828         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
 829         * config/frv/frv.h (ASM_SPEC): Likewise.
 830         * config/m68k/linux.h (ASM_SPEC): Likewise.
 831         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 832         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
 833         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 834         * config/sparc/linux.h (ASM_SPEC): Likewise.
 835         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 836         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 837
 838 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 839
 840         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
 841         * config/frv/frv.h (LINK_SPEC): Likewise.
 842         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
 843
 844 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
 845
 846         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
 847         * config/frv/frv.h (ASM_SPEC): Likewise.
 848         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
 849         * config/m68k/linux.h (ASM_SPEC): Likewise.
 850         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 851         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
 852         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 853         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
 854         * config/sparc/linux.h (ASM_SPEC): Likewise.
 855         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 856         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 857         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
 858
 859 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
 860
 861         PR target/46997
 862         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
 863         (*mux2): Ditto.
 864         (vec_extract_evenodd_help): Ditto.
 865         (vec_extract_evenv4hi): Ditto.
 866         (vec_extract_oddv4hi): Ditto.
 867         (vec_interleave_lowv2si): Ditto.
 868         (vec_interleave_highv2si): Ditto.
 869         (vec_extract_evenv2si): Ditto.
 870         (vec_extract_oddv2si: Ditto.
 871         (vec_pack_trunc_v2si): Ditto.
 872
 873 2011-01-22  Jan Hubicka  <jh@suse.cz>
 874
 875         PR target/47237
 876         * cgraph.h (cgraph_local_info): New field can_change_signature.
 877         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
 878         signature can change.
 879         (ipcp_estimate_growth): Call sequence simplify only if calle signature
 880         can change.
 881         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
 882         (cgraph_function_versioning): We can not change signature of functions
 883         that don't allow that.
 884         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
 885         (lto_input_node): Likewise.
 886         * ipa-inline.c (compute_inline_parameters): Compute
 887         local.can_change_signature.
 888         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
 889         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
 890         functions that can not change signature.
 891         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
 892         init_cumulative_args): Do not use local calling conventions
 893         for functions that can not change signature.
 894
 895 2011-01-22  Jan Hubicka  <jh@suse.cz>
 896
 897         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
 898
 899 2011-01-26  Richard Guenther  <rguenther@suse.de>
 900
 901         PR tree-optimization/47190
 902         * cgraphunit.c (process_common_attributes): New function.
 903         (process_function_and_variable_attributes): Use it.
 904
 905 2011-01-26  Richard Guenther  <rguenther@suse.de>
 906
 907         PR lto/47423
 908         * cgraphbuild.c (record_eh_tables): Record reference to personality
 909         function.
 910
 911 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
 912
 913         PR debug/45454
 914         * sel-sched.c (moveup_expr): Don't let debug insns prevent
 915         non-debug insns from moving up.
 916
 917 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 918
 919         PR target/40125
 920         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
 921         t-dlldir{,-x} fragment for build and add it to tmake_file.
 922         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
 923         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
 924         * config/i386/t-dlldir: New file.
 925         (SHLIB_DLLDIR): Define.
 926         * config/i386/t-dlldir-x: New file.
 927         (SHLIB_DLLDIR): Define.
 928         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
 929         (SHLIB_INSTALL): Use it.
 930
 931 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
 932
 933         PR target/47246
 934         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
 935         lower bound of the allowed Thumb-2 coprocessor load/store
 936         index range to -256. Add explaining comment.
 937
 938 2011-01-25  Ian Lance Taylor  <iant@google.com>
 939
 940         * godump.c (go_define): Improve lexing of macro expansion to only
 941         accept expressions which match Go spec.
 942
 943 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
 944
 945         PR c++/43601
 946         * tree.c (handle_dll_attribute): Handle it.
 947         * doc/extend.texi (@item dllexport): Mention it.
 948         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
 949
 950 2011-01-25  Ian Lance Taylor  <iant@google.com>
 951
 952         PR tree-optimization/26854
 953         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
 954         (decl_jump_unsafe): Move higher in file, with no other change.
 955         (bind): Set has_jump_unsafe_decl if appropriate.
 956         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
 957         (check_earlier_gotos): Likewise.
 958         (c_check_switch_jump_warnings): Likewise.
 959
 960 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
 961
 962         * doc/invoke.texi (Warning Options): Add missing hyphen.
 963         (-fprofile-dir): Minor grammatical fixes.
 964         (-fbranch-probabilities): Likewise.
 965
 966 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
 967
 968         PR debug/45136
 969         PR debug/45130
 970         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
 971         debug insns.
 972         (no_real_insns_p, schedule_block, set_priorities): Drop special
 973         treatment of boundary debug insns.
 974         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
 975         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
 976         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
 977         (BOUNDARY_DEBUG_INSN_P): Likewise.
 978         (SCHEDULE_DEBUG_INSN_P): Likewise.
 979         * sched-rgn.c (init_ready_list): Drop special treatment of
 980         boundary debug insns.
 981         * final.c (rest_of_clean-state): Clear notes' BB.
 982
 983 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 984
 985         * Makefile.in (LAMBDA_H): Removed.
 986         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
 987         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
 988         lambda-trans.o, and tree-loop-linear.o.
 989         (lto-symtab.o): Remove dependence on LAMBDA_H.
 990         (tree-loop-linear.o): Remove rule.
 991         (lambda-mat.o): Same.
 992         (lambda-trans.o): Same.
 993         (lambda-code.o): Same.
 994         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
 995         (tree-vect-slp.o): Same.
 996         * hwint.h (gcd): Moved here.
 997         (least_common_multiple): Same.
 998         * lambda-code.c: Removed.
 999         * lambda-mat.c: Removed.
1000         * lambda-trans.c: Removed.
1001         * lambda.h: Removed.
1002         * tree-loop-linear.c: Removed.
1003         * lto-symtab.c: Do not include lambda.h.
1004         * omega.c (gcd): Removed.
1005         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1006         * tree-data-ref.c (print_lambda_vector): Moved here.
1007         (lambda_vector_copy): Same.
1008         (lambda_matrix_copy): Same.
1009         (lambda_matrix_id): Same.
1010         (lambda_vector_first_nz): Same.
1011         (lambda_matrix_row_add): Same.
1012         (lambda_matrix_row_exchange): Same.
1013         (lambda_vector_mult_const): Same.
1014         (lambda_vector_negate): Same.
1015         (lambda_matrix_row_negate): Same.
1016         (lambda_vector_equal): Same.
1017         (lambda_matrix_right_hermite): Same.
1018         * tree-data-ref.h: Do not include lambda.h.
1019         (lambda_vector): Moved here.
1020         (lambda_matrix): Same.
1021         (dependence_level): Same.
1022         (lambda_transform_legal_p): Removed declaration.
1023         (lambda_collect_parameters): Same.
1024         (lambda_compute_access_matrices): Same.
1025         (lambda_vector_gcd): Same.
1026         (lambda_vector_new): Same.
1027         (lambda_vector_clear): Same.
1028         (lambda_vector_lexico_pos): Same.
1029         (lambda_vector_zerop): Same.
1030         (lambda_matrix_new): Same.
1031         * tree-flow.h (least_common_multiple): Removed declaration.
1032         * tree-parloops.c (lambda_trans_matrix): Moved here.
1033         (LTM_MATRIX): Same.
1034         (LTM_ROWSIZE): Same.
1035         (LTM_COLSIZE): Same.
1036         (LTM_DENOMINATOR): Same.
1037         (lambda_trans_matrix_new): Same.
1038         (lambda_matrix_vector_mult): Same.
1039         (lambda_transform_legal_p): Same.
1040         * tree-pass.h (pass_linear_transform): Removed declaration.
1041         * tree-ssa-loop.c (tree_linear_transform): Removed.
1042         (gate_tree_linear_transform): Removed.
1043         (pass_linear_transform): Removed.
1044         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1045         flag_loop_interchange.
1046
1047 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1048
1049         PR tree-optimization/47265
1050         PR tree-optimization/47443
1051         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1052         if name still has some uses.
1053
1054 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1055
1056         PR tree-optimization/47382
1057         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1058         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1059
1060 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1061
1062         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1063         sjlj_except_unwind_info.
1064
1065 2011-01-25  Richard Guenther  <rguenther@suse.de>
1066
1067         PR tree-optimization/47426
1068         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1069         visible functions results escape.
1070
1071 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1072
1073         PR target/45701
1074         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1075         (arm_get_frame_offsets): Use it.
1076
1077 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1078             Jakub Jelinek  <jakub@redhat.com>
1079
1080         PR tree-optimization/47271
1081         * tree-if-conv.c (bb_postdominates_preds): New.
1082         (if_convertible_bb_p): Call bb_postdominates_preds.
1083         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1084         (predicate_scalar_phi): Call bb_postdominates_preds.
1085
1086 2011-01-25  Nick Clifton  <nickc@redhat.com>
1087
1088         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1089         * config/rx/rx.c (rx_function_value): Likewise.
1090         (rx_promote_function_mode): Likewise.
1091         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1092         in order to make it legitimate.
1093         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1094         make sure that the first operand is the same as the result register.
1095         (addsi3_unspec): Delete.
1096         (subdi3): Do not accept immediate operands.
1097         (subdi3_internal): Likewise.
1098
1099 2011-01-25  Jeff Law  <law@redhat.com>
1100
1101         PR rtl-optimization/37273
1102         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1103         handle them like argument loads from stack slots.  Do not double
1104         count memory for memory constants and argument loads from stack slots.
1105
1106 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR tree-optimization/47427
1109         PR tree-optimization/47428
1110         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1111         coalesce if the new root var would be TREE_READONLY.
1112
1113 2011-01-25  Richard Guenther  <rguenther@suse.de>
1114
1115         PR middle-end/47414
1116         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1117         correct type for TBAA.
1118
1119 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1122         (close_phi_written_to_memory): Call for_each_index with
1123         dr_indices_valid_in_loop.
1124
1125 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1128         when it is initialized.
1129
1130 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1131
1132         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1133         call to graphite_find_data_references_in_stmt.
1134         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1135         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1136         call to graphite_find_data_references_in_stmt.
1137         (analyze_drs_in_stmts): Same.
1138         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1139         in which the scalar analysis of indices is performed.
1140         (create_data_ref): Same.  Update call to dr_analyze_indices.
1141         (find_data_references_in_stmt): Update call to create_data_ref.
1142         (graphite_find_data_references_in_stmt): Same.
1143         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1144         declaration.
1145         (create_data_ref): Same.
1146         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1147         call to create_data_ref.
1148
1149 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * graphite-sese-to-poly.c (build_poly_scop): Move
1152         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1153
1154 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1157         VAR_DECL, PARM_DECL, and RESULT_DECL.
1158
1159 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1162         in a reduction PBB.
1163         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1164         that have already been marked as PBB_IS_REDUCTION.
1165
1166 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * graphite-scop-detection.c (same_close_phi_node): New.
1169         (remove_duplicate_close_phi): New.
1170         (make_close_phi_nodes_unique): New.
1171         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1172
1173 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1176         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1177         of both data references to be the same.
1178
1179 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * graphite-dependences.c (build_lexicographical_constraint): Remove
1182         the gdim parameter.
1183         (build_lexicographical_constraint): Adjust call to
1184         ppl_powerset_is_empty.
1185         (dependence_polyhedron): Same.
1186         (graphite_legal_transform_dr): Same.
1187         (graphite_carried_dependence_level_k): Same.
1188         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1189         parameter.
1190         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1191
1192 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite-sese-to-poly.c
1195         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1196         (close_phi_written_to_memory): New.
1197         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1198         and unshare_expr.
1199
1200 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1201
1202         * doc/install.texi: Update the expected version number of PPL to 0.11.
1203         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1204         #if PPL_VERSION_MINOR < 11.
1205
1206 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         * graphite-dependences.c: Include graphite-cloog-util.h.
1209         (new_poly_ddr): Inlined into dependence_polyhedron.
1210         (free_poly_ddr): Moved close by new_poly_ddr.
1211         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1212         Early return NULL when ppl_powerset_is_empty returns true.
1213         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1214         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1215         (graphite_legal_transform_dr): Call new_poly_ddr.
1216         (graphite_carried_dependence_level_k): Same.
1217         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1218         (dot_transformed_deps_stmt_1): Removed.
1219         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1220         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1221         (dot_deps_1): Call dot_deps_2.
1222         * Makefile.in (graphite-dependences.o): Add missing dependence on
1223         graphite-cloog-util.h.
1224
1225 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1228         (build_lexicographical_constraint): Same.
1229         (dependence_polyhedron_1): Same.
1230         (graphite_legal_transform_dr): Same.
1231         (graphite_carried_dependence_level_k): Same.
1232         * graphite-ppl.c (ppl_powerset_is_empty): New.
1233         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1234         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1235
1236 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1237
1238         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1239         the "a followed by b" relation and document it.
1240
1241 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1244         iteration when the bag of constraints is empty.
1245
1246 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1249
1250 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1251
1252         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1253         nest and two loop depths as parameters.
1254         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1255         lst_perfect_nestify.
1256
1257 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * graphite-dependences.c (print_pddr): Call
1260         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1261
1262 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-ppl.c (debug_gmp_value): New.
1265         * graphite-ppl.h (debug_gmp_value): Declared.
1266
1267 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1268
1269         * doc/install.texi: Document availability of cloog-0.16.
1270
1271 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1272
1273         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1274         invalid postdominance info.
1275
1276 2011-01-24  Jan Hubicka  <jh@suse.cz>
1277
1278         PR c/21659
1279         * doc/extend.texi (weak pragma): Drop claim that it must
1280         appear before definition.
1281         * varasm.c (merge_weak, declare_weak): Only sanity check
1282         that DECL is not output at a time it is declared weak.
1283
1284 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1285
1286         * machmode.def: Fixed comments.
1287
1288 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1289
1290         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1291
1292 2011-01-24  Paul Koning  <ni1d@arrl.net>
1293
1294         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1295         WORDS_BIG_ENDIAN.
1296
1297 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1298
1299         PR target/46519
1300         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1301         (block_info): Add scanned and prev.
1302         (move_or_delete_vzeroupper_2): Return if the basic block
1303         has been scanned and the upper 128bit state is unchanged
1304         from the last scan.
1305         (move_or_delete_vzeroupper_1): Return true if the exit
1306         state is changed.
1307         (move_or_delete_vzeroupper): Visit basic blocks using the
1308         work-list based algorithm based on vt_find_locations in
1309         var-tracking.c.
1310
1311         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1312
1313 2011-01-24  Nick Clifton  <nickc@redhat.com>
1314
1315         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1316         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1317         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1318         then define __v850e1__.
1319         * doc/invoke.texi: Document -mv850es.
1320
1321 2011-01-24  Richard Henderson  <rth@redhat.com>
1322
1323         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1324         compound unordered comparisons.
1325         * config/rx/rx.c (rx_split_fp_compare): Remove.
1326         * config/rx/rx-protos.h: Update.
1327         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1328         (cbranchsf4): Don't call rx_split_fp_compare.
1329         (*cbranchsf4): Use rx_split_cbranch.
1330         (*cmpsf): Don't accept "i" constraint.
1331         (*conditional_branch): Only valid after reload.
1332         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1333
1334 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1335
1336         PR target/47385
1337         * config/rs6000/altivec.md (vector constant splitters): Add
1338         support for creating vector single precision constants if -mvsx is
1339         used and we would create the constant using Altivec primitives.
1340
1341 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1342             Richard Sandiford  <rdsandiford@googlemail.com>
1343
1344         PR rtl-optimization/47166
1345         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1346         mechanism for PRE_MODIFY and POST_MODIFY.
1347         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1348         reloadreg.
1349
1350 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1351
1352         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1353
1354 2011-01-22  Jan Hubicka  <jh@suse.cz>
1355
1356         PR lto/47333
1357         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1358
1359 2011-01-22  Jan Hubicka  <jh@suse.cz>
1360
1361         PR tree-optimization/43884
1362         PR lto/44334
1363         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1364         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1365
1366 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1367
1368         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1369         * config/s390/s390.c (s390_register_move_cost,
1370         s390_memory_move_cost): New.
1371         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1372
1373 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1374
1375         PR middle-end/47401
1376         * except.c (sjlj_assign_call_site_values): Move setting the
1377         crtl->uses_eh_lsda flag to ...
1378         (sjlj_mark_call_sites): ... here.
1379         (sjlj_emit_function_enter): Support NULL dispatch label.
1380         (sjlj_build_landing_pads): In a function with no landing pads
1381         that still has must-not-throw regions, generate code to register
1382         a personality function with empty LSDA.
1383
1384 2011-01-21  Richard Henderson  <rth@redhat.com>
1385
1386         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1387
1388         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1389
1390         * compare-elim.c: New file.
1391         * Makefile.in (OBJS-common): Add it.
1392         (compare-elim.o): New.
1393         * common.opt (fcompare-elim): New.
1394         * opts.c (default_options_table): Add OPT_fcompare_elim.
1395         * tree-pass.h (pass_compare_elim_after_reload): New.
1396         * passes.c (init_optimization_passes): Add it.
1397         * recog.h: Protect against re-inclusion.
1398         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1399         * doc/invoke.texi (-fcompare-elim): Document it.
1400         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1401         * doc/tm.texi: Rebuild.
1402
1403 2011-01-22  Nick Clifton  <nickc@redhat.com>
1404
1405         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1406         rx_split_fp_compare.
1407
1408 2011-01-22  Nick Clifton  <nickc@redhat.com>
1409
1410         * config/rx/rx.md (UNSPEC_CONST): New.
1411         (deallocate_and_return): Wrap the amount popped off the stack in
1412         an UNSPEC_CONST in order to stop it being rejected by
1413         -mmax-constant-size.
1414         (pop_and_return): Add a "(return)" rtx.
1415         (call): Drop the immediate operand.
1416         (call_internal): Likewise.
1417         (call_value): Likewise.
1418         (call_value_internal): Likewise.
1419         (sibcall_internal): Likewise.
1420         (sibcall_value_internal): Likewise.
1421         (sibcall): Likewise.  Generate an explicit call using
1422         sibcall_internal.
1423         (sibcall_value): Likewise.
1424         (mov<>): FAIL if a constant operand is not legitimate.
1425         (addsi3_unpsec): New pattern.
1426
1427         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
1428         (ok_for_max_constant): New function.
1429         (gen_safe_add): New function.
1430         (rx_expand_prologue): Use gen_safe_add.
1431         (rx_expand_epilogue): Likewise.
1432         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1433         UNSPEC CONSTs.
1434
1435 2011-01-21  Jeff Law  <law@redhat.com>
1436
1437         PR tree-optimization/47053
1438         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1439         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1440         statements are deleted.
1441         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1442         is nonempty, then purge dead edges and cleanup the CFG.
1443
1444 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1445
1446         PR debug/47402
1447         Temporarily revert:
1448         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1449         PR debug/47106
1450         * tree-dfa.c (create_var_ann): Mark variable as used.
1451
1452 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1453
1454         PR middle-end/45566
1455         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1456         notes from other section in hot/cold partitioning even if
1457         last_action is -3.  Increment call_site_base.
1458
1459         PR rtl-optimization/47366
1460         * fwprop.c (forward_propagate_into): Return bool.  If
1461         any changes are made, -fnon-call-exceptions is used and
1462         REG_EH_REGION note is present, call purge_dead_edges
1463         and return true if it purged anything.
1464         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1465         any EH edges were purged.
1466
1467 2011-01-21  Jeff Law  <law@redhat.com>
1468
1469         PR rtl-optimization/41619
1470         * caller-save.c (setup_save_areas): Break out code to determine
1471         which hard regs are live across calls by examining the reload chains
1472         so that it is always used.
1473         Eliminate code which checked REG_N_CALLS_CROSSED.
1474
1475 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR tree-optimization/47355
1478         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1479         NOP has non-debug uses beyond PHIs in new_bb.
1480
1481 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1482
1483         PR debug/47106
1484         * cfgexpand.c (account_used_vars_for_block): Only account vars
1485         that are annotated as used.
1486         (estimated_stack_frame_size): Don't set TREE_USED.
1487         * tree-dfa.c (create_var_ann): Mark variable as used.
1488
1489 2011-01-21  Richard Guenther  <rguenther@suse.de>
1490
1491         PR middle-end/47395
1492         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1493
1494 2011-01-21  Richard Guenther  <rguenther@suse.de>
1495
1496         PR tree-optimization/47365
1497         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1498         (vn_reference_lookup_pieces): Adjust.
1499         (vn_reference_lookup): Likewise.
1500         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1501         (vn_reference_lookup_3): Only look through kills if in
1502         VN_WALKREWRITE mode.
1503         (vn_reference_lookup_pieces): Adjust.
1504         (vn_reference_lookup): Likewise.
1505         (visit_reference_op_load): Likewise.
1506         (visit_reference_op_store): Likewise.
1507         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1508         (compute_avail): Likewise.
1509         (eliminate): Likewise.
1510
1511 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1512
1513         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1514         DECL_IGNORED_P non-reg vars if they are used.
1515
1516         PR tree-optimization/47391
1517         * varpool.c (const_value_known_p): Return false if
1518         decl is volatile.
1519
1520 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1521
1522         PR bootstrap/47215
1523         * config/i386/i386.c (ix86_local_alignment): Handle
1524         case for va_list_type_node is nil.
1525         (ix86_canonical_va_list_type): Likewise.
1526
1527 2011-01-21  Alan Modra  <amodra@gmail.com>
1528
1529         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1530         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1531
1532 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1533
1534         * config/arm/arm.md (define_attr type): Rename f_load
1535         and f_store to f_fpa_load and f_fpa_store. Update.
1536         (write_conflict): Deal with rename fallout.
1537         (*push_fp_multi): Likewise.
1538         * config/arm/fpa.md (f_load): Use f_fpa_load.
1539         (f_store): Use f_fpa_store.
1540         (*movsf_fpa): Likewise.
1541         (*movdf_fpa): Likewise.
1542         (*movxf_fpa): Likewise.
1543         (*thumb2_movsf_fpa): Likewise.
1544         (*thumb2_movdf_fpa): Likewise.
1545         (*thumb2_movxf_fpa): Likewise.
1546         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1547         f_loadd and f_stored.
1548         (*thumb2_movdi_vfp): Likewise.
1549         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1550         (*thumb2_movsi_vfp): Likewise.
1551         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1552         Use f_loads instead of f_load.
1553         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1554
1555 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1556
1557         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1558         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1559         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1560         (xtensa_mode_dependent_address_p): New function.
1561         (constantpool_address_p): Make static. Change return type to bool.
1562         Change argument type to const_rtx. Use CONST_INT_P predicate.
1563
1564 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1565
1566         PR debug/46583
1567         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1568
1569 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1570
1571         PR debug/47283
1572         * cfgexpand.c (expand_debug_expr): Instead of generating
1573         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1574         etc. handling.
1575
1576 2011-01-20  Richard Guenther  <rguenther@suse.de>
1577
1578         PR middle-end/47370
1579         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1580         the pointer operand of MEM_REFs.
1581
1582 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1583
1584         PR tree-optimization/46130
1585         * ipa-split.c (consider_split): If return_bb contains non-virtual
1586         PHIs other than for retval or if split_function would not adjust it,
1587         refuse to split.
1588
1589 2011-01-20  Richard Guenther  <rguenther@suse.de>
1590
1591         PR tree-optimization/47167
1592         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1593         Revert previous change, only avoid enumeral type changes.
1594
1595 2011-01-19  Mike Stump  <mikestump@comcast.net>
1596
1597         * doc/tm.texi.in (BRANCH_COST): Englishify.
1598         * doc/tm.texi (BRANCH_COST): Likewise.
1599
1600 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1601
1602         PR c++/47291
1603         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1604         (gen_scheduled_generic_parms_dies): New functions.
1605         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1606         generation for the end of CU compilation.
1607         (dwarf2out_finish): Generate template parameters DIEs here.
1608
1609 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1610
1611         PR debug/46240
1612         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1613         debug bind stmt on merge edges.
1614
1615 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1616
1617         PR debug/47079
1618         PR debug/46724
1619         * function.c (instantiate_expr): Instantiate incoming rtl of
1620         implicit arguments, and recurse on VALUE_EXPRs.
1621         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1622         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1623
1624 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1625
1626         * c-parser.c (c_parser_for_statement): Initialize
1627         collection_expression.
1628
1629 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1630
1631         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1632
1633 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1634
1635         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1636         (LINK_SHLIB_SPEC): Don't use %(link_path).
1637         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1638
1639 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1640
1641         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1642         (NO_SHARED_LIB_SUPPORT): Remove.
1643         (LINK_SHLIB_SPEC): Remove one conditional definition.
1644
1645 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1646
1647         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1648         %{call_shared}.
1649         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1650         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1651         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1652         %{call_shared} and conditionals on these options not being passed.
1653         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1654         %{call_shared}.
1655
1656 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1657
1658         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1659         simplify.
1660
1661         * ipa-split.c: Spelling fixes.
1662
1663 2011-01-19  Richard Henderson  <rth@redhat.com>
1664
1665         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1666         (*mulsi3): Likewise.
1667
1668         * longlong.h [__mn10300__] (count_leading_zeros): New.
1669         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1670         [__mn10300__] (add_ssaaaa, subddmmss): New.
1671         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1672         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1673
1674 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1675
1676         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1677
1678 2011-01-19  Richard Henderson  <rth@redhat.com>
1679
1680         * config/mn10300/mn10300.md (addsi3_flags): New.
1681         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1682         (subsi3_flags, subc_internal, subdi3): New.
1683         (subdi3_internal, *subdi3_degenerate): New.
1684         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1685
1686         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1687         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1688         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1689         * config/mn10300/mn10300-protos.h: Update.
1690         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1691         (return_ret): Likewise.  Rename from return_internal_regs.
1692         (return_internal): Remove.
1693
1694         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1695         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1696         (mn10300_legitimate_constant_p): Likewise.
1697         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1698         (mn10300_frame_size): New.
1699         (mn10300_expand_prologue): Use it.
1700         (mn10300_expand_epilogue): Likewise.
1701         (mn10300_initial_offset): Likewise.
1702         * config/mn10300/mn10300-protos.h: Update.
1703         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1704         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1705         (prologue, epilogue, return_internal): Tidy output code.
1706         (mn10300_store_multiple_operation, return): Likewise.
1707         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1708         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1709         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1710         (load_pic, am33_load_pic): New.
1711         (mn10300_load_pic0, mn10300_load_pic1): New.
1712
1713         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1714         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1715         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1716         (cc_flags_for_mode, cc_flags_for_code): New.
1717         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1718         overflow flag is not valid.  Validate that the flags we need
1719         for the comparison are valid.
1720         (mn10300_output_cmp): Remove.
1721         (mn10300_output_add): New.
1722         (mn10300_select_cc_mode): Use cc_flags_for_code.
1723         (mn10300_split_cbranch): New.
1724         (mn10300_match_ccmode): New.
1725         (mn10300_split_and_operand_count): New.
1726         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1727         to the function.
1728         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1729         (addsi3): ... here.  Use mn10300_output_add.
1730         (*addsi3_flags): New.
1731         (*am33_subsi3, *mn10300_subsi3): Merge...
1732         (subsi3): ... here.  Use attribute isa.
1733         (*subsi3_flags): New.
1734         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1735         when possible.
1736         (*am33_andsi3, *mn10300_andsi3): Merge...
1737         (andsi3): ... here.
1738         (*andsi3_flags): New.
1739         (andsi3 splitters): New.
1740         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1741         (iorsi3): ... here.
1742         (*iorsi3_flags): New.
1743         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1744         (xorsi3): ... here.
1745         (*xorsi3_flags): New.
1746         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1747         (one_cmplsi2): ... here.
1748         (*one_cmplsi2_flags): New.
1749         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1750         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1751         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1752         use matching constraints to eliminate a self-comparison.
1753         (*integer_conditional_branch): Rename from integer_conditional_branch.
1754         Use int_mode_flags to match CC_REG.
1755         (*cbranchsi4_btst, *btstsi): New.
1756         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1757         mn10300_split_cbranch.
1758         (*am33_cmpsf): Rename from am33_cmpsf.
1759         (*float_conditional_branch): Rename from float_conditional_branch.
1760         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1761         (zero_extendqisi2): ... here.
1762         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1763         (zero_extendhisi2): ... here.
1764         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1765         (extendqisi2): ... here.
1766         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1767         (extendhisi2): ... here.
1768         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1769         (ashlsi3): ... here.
1770         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1771         (lshrsi3): ... here.
1772         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1773         (ashrsi3): ... here.
1774         (consecutive add peephole): Remove.
1775         * config/mn10300/predicates.md (label_ref_operand): New.
1776         (int_mode_flags): New.
1777         (CCZN_comparison_operator): New.
1778
1779         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1780         (throughput_42_latency_43): New reservation.
1781         (mulsidi3, umulsidi3): New expanders.
1782         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1783         the MDR register to allocation; separately allocate the low and
1784         high parts of the DImode result.
1785         (umulsidi3_internal): Similarly.
1786         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1787         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1788         (udivsi3, umodsi3): Remove.
1789         (udivmodsi4, divmodsi4): New expanders.
1790         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1791         (*divmodsi4): Simiarly.
1792         (ext_internal): New.
1793
1794         * config/mn10300/constraints.md ("z"): New constraint.
1795         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1796         (FIXED_REGISTERS): Don't fix MDR.
1797         (CALL_USED_REGSITERS): Reformat nicely.
1798         (REG_ALLOC_ORDER): Add MDR.
1799         (enum regclass): Add MDR_REGS.
1800         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1801         (IRA_COVER_CLASSES): Add MDR_REGS.
1802         (REGNO_REG_CLASS): Handle MDR_REG.
1803         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1804         (mn10300_register_move_cost): Likewise.
1805         * config/mn10300/mn10300.md (MDR_REG): New.
1806         (*movsi_internal): Handle moves to/from MDR_REGS.
1807
1808         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1809         POST_MODIFY.
1810         (mn10300_secondary_reload): Tidy combination reload classes.
1811         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1812         addresses for AM33.  Allow symbolic offsets for reg+imm.
1813         (mn10300_regno_in_class_p): New.
1814         (mn10300_legitimize_reload_address): New.
1815         * config/mn10300/mn10300.h (enum reg_class): Remove
1816         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1817         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1818         SP_OR_GENERAL_REGS.
1819         (REG_CLASS_NAMES): Update to match.
1820         (REG_CLASS_CONTENTS): Likewise.
1821         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1822         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1823         (REGNO_IN_RANGE_P): Remove.
1824         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1825         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1826         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1827         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1828         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1829         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1830         (REGNO_GENERAL_P): New.
1831         (HAVE_POST_MODIFY_DISP): New.
1832         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1833         (LEGITIMIZE_RELOAD_ADDRESS): New.
1834         * config/mn10300/mn10300-protos.h: Update.
1835
1836         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1837         DATA_REGS for AM33 stack-pointer destination.
1838         (mn10300_preferred_output_reload_class): Likewise.
1839         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1840         into a form appropriate for ...
1841         (TARGET_SECONDARY_RELOAD): New.
1842         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1843         * config/mn10300/mn10300-protos.h: Update.
1844         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1845         reload_insi; use the "A" constraint for the scratch; handle AM33
1846         moves of sp to non-address registers.
1847
1848         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1849         (*movqi_internal): ... here.
1850         (*am33_movhi, *mn10300_movhi): Merge into...
1851         (*movhi_internal): ... here.
1852         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1853         as the source/destination of moves from/to SP.
1854         (movsf): Only allow for AM33-2.
1855         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1856         any integer constant constraint.  Only allow for AM33-2.  Tidy
1857         all of the alternative outputs.
1858         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1859         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1860         for MN103.
1861         (udivsi3, umodsi3): New patterns for MN103 only.
1862
1863 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1864
1865         * doc/tm.texi.in: Spell out that a lack of register class unions
1866         can lead to ICEs.
1867         * doc/tm.texi: Regenerate.
1868
1869 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1870
1871         PR rtl-optimization/47337
1872         * dce.c (check_argument_store): New function.
1873         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1874
1875         PR tree-optimization/47290
1876         * tree-eh.c (infinite_empty_loop_p): New function.
1877         (cleanup_empty_eh): Use it.
1878
1879 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1880
1881         PR target/46997
1882         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1883         (a64_expand_widen_sum): Ditto.
1884         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1885         (vec_extract_evenodd_help): Ditto.
1886         (vec_extract_evenv4hi): Ditto.
1887         (vec_extract_oddv4hi): Ditto.
1888         (vec_extract_evenv2si): Ditto.
1889         (vec_extract_oddv2si): Ditto.
1890         (vec_extract_evenv2sf): Ditto.
1891         (vec_extract_oddv2sf): Ditto.
1892         (vec_pack_trunc_v4hi: Ditto.
1893         (vec_pack_trunc_v2si): Ditto.
1894         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1895         (vec_interleave_highv8qi): Ditto.
1896         (mix1_r): Ditto.
1897         (vec_extract_oddv8qi): Ditto.
1898         (vec_interleave_lowv4hi): Ditto.
1899         (vec_interleave_highv4hi): Ditto.
1900         (vec_interleave_lowv2si): Ditto.
1901         (vec_interleave_highv2si): Ditto.
1902
1903 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1904
1905         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1906         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1907         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1908         (pa_c_mode_for_suffix): New.
1909         (TARGET_EXPAND_BUILTIN): Define.
1910         (TARGET_C_MODE_FOR_SUFFIX): Define.
1911         (pa_builtins): Define.
1912         (pa_init_builtins): Register __float128 type and init new support
1913         builtins.
1914         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1915         * config/pa/quadlib.c (_U_Qfcopysign): New.
1916
1917 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1918
1919         PR middle-end/46894
1920         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1921         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1922         are defined.
1923
1924 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1925
1926         PR tree-optimization/47179
1927         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1928         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1929
1930 2011-01-18  Richard Guenther  <rguenther@suse.de>
1931
1932         PR rtl-optimization/47216
1933         * emit-rtl.c: Include tree-flow.h.
1934         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1935         of replicating it with different semantics.
1936         * Makefile.in (emit-rtl.o): Adjust.
1937
1938 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1939
1940         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
1941         (cortex_a9_dp): Handle neon types correctly.
1942
1943 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1944
1945         PR rtl-optimization/47299
1946         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1947         subtarget.  Use normal multiplication if both operands are constants.
1948         * expmed.c (expand_widening_mult): Don't try to optimize constant
1949         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1950         before using it.
1951
1952 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1953
1954         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1955         spacing after 'e.g.', typos, comma, hyphenation.
1956
1957 2011-01-17  Richard Henderson  <rth@redhat.com>
1958
1959         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1960         (rx_restricted_mem_operand): New.
1961         (rx_shift_operand): Use register_operand.
1962         (rx_source_operand, rx_compare_operand): Likewise.
1963         * config/rx/rx.md (addsi3_flags): New expander.
1964         (adddi3): Rewrite as expander.
1965         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1966         (subsi3_flags): New expander.
1967         (subdi3): Rewrite as expander.
1968         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1969
1970         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1971         (rx_init_builtins): Remove sat builtin.
1972         (rx_expand_builtin): Likewise.
1973         * config/rx/rx.md (ssaddsi3): New.
1974         (*sat): Rename from sat.  Represent the CC_REG input.
1975
1976         * config/rx/predicates.md (rshift_operator): New.
1977         * config/rx/rx.c (rx_expand_insv): Remove.
1978         * config/rx/rx-protos.h: Update.
1979         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1980         operand to the canonical position.
1981         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1982         (*bitclr, *bitclr_in_memory): Similarly.
1983         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1984         (insv): Retain the zero_extract in the expansion.
1985
1986         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1987         (bswaphi2, bitinvert, revw): Likewise.
1988
1989         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1990         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1991         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1992         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1993         (bitset, bitset_in_memory): Likewise.
1994         (bitinvert, bitinvert_in_memory): Likewise.
1995         (bitclr, bitclr_in_memory): Likewise.
1996         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1997         (rx_strend, rx_cmpstrn): Likewise.
1998         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1999         (bitop peep2 patterns): Remove.
2000
2001         * config/rx/rx.c (rx_match_ccmode): New.
2002         * config/rx/rx-protos.h: Update.
2003         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2004         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2005         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2006         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2007         (fix_truncsfsi2, floatsisf2): Likewise.
2008         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2009         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2010         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2011         (*subsi3_flags, *xorsi3_flags): New.
2012
2013         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2014
2015         * config/rx/rx.c (rx_print_operand): Remove workaround for
2016         unsplit comparison operations.
2017
2018         * config/rx/rx.md (movsicc): Split after reload.
2019         (*movsicc): Merge *movsieq and *movsine via match_operator.
2020         (*stcc): New pattern.
2021
2022         * config/rx/rx.c (rx_float_compare_mode): Remove.
2023         * config/rx/rx.h (rx_float_compare_mode): Remove.
2024         * config/rx/rx.md (cstoresi4): Split after reload.
2025         (*sccc): New pattern.
2026
2027         * config/rx/predicates.md (label_ref_operand): New.
2028         (rx_z_comparison_operator): New.
2029         (rx_zs_comparison_operator): New.
2030         (rx_fp_comparison_operator): New.
2031         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2032         Validate that the flags are set properly for the comparison.
2033         (rx_gen_cond_branch_template): Remove.
2034         (rx_cc_modes_compatible): Remove.
2035         (mode_from_flags): New.
2036         (flags_from_code): Rename from flags_needed_for_conditional.
2037         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2038         (rx_select_cc_mode): Likewise.
2039         (rx_split_fp_compare): New.
2040         (rx_split_cbranch): New.
2041         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2042         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2043         (*cbranchsf4): Similarly.
2044         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2045         match_operator and rx_split_cbranch.
2046         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2047         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2048         (*cmpsi): Rename from cmpsi.
2049         (*tstsi): Rename from tstsi.
2050         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2051         (*conditional_branch): Rename from conditional_branch.
2052         (*reveresed_conditional_branch): Remove.
2053         (b<code>): Remove expander.
2054         * config/rx/rx-protos.h: Update.
2055
2056         * config/rx/rx.c (rx_compare_redundant): Remove.
2057         * config/rx/rx.md (cmpsi): Don't use it.
2058         * config/rx/rx-protos.h: Update.
2059
2060         * config/rx/rx-modes.def (CC_F): New mode.
2061         * config/rx/rx.c (rx_select_cc_mode): New.
2062         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2063         * config/rx/rx-protos.h: Update.
2064
2065 2011-01-17  Richard Henderson  <rth@redhat.com>
2066
2067         * except.c (dump_eh_tree): Fix stray ; after for statement.
2068
2069 2011-01-17  Richard Guenther  <rguenther@suse.de>
2070
2071         PR tree-optimization/47313
2072         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2073         handling before copying the body.  Properly deal with
2074         by-reference result in SSA form.
2075
2076 2011-01-17  Ian Lance Taylor  <iant@google.com>
2077
2078         PR target/47219
2079         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2080         (struct_value_alias_set): Don't define.
2081         (sparc_option_override): Don't set sparc_sr_alias_set and
2082         struct_value_alias_set.
2083         (save_or_restore_regs): Use gen_frame_mem rather than calling
2084         set_mem_alias_set.
2085         (sparc_struct_value_rtx): Likewise.
2086
2087 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2088
2089         PR target/47318
2090         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2091         __m128i.
2092         (_mm_maskstore_pd): Likewise.
2093         (_mm_maskload_ps): Likewise.
2094         (_mm_maskstore_ps): Likewise.
2095         (_mm256_maskload_pd): Change mask to __m256i.
2096         (_mm256_maskstore_pd): Likewise.
2097         (_mm256_maskload_ps): Likewise.
2098         (_mm256_maskstore_ps): Likewise.
2099
2100         * config/i386/i386-builtin-types.def: Updated.
2101         (ix86_expand_special_args_builtin): Likewise.
2102
2103         * config/i386/i386.c (bdesc_special_args): Update
2104         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2105         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2106         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2107         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2108
2109         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2110         Use <avxpermvecmode> on mask register.
2111         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2112
2113 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2114             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2115             Eric Botcazou  <ebotcazou@adacore.com>
2116
2117         PR target/46655
2118         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2119         if <= USHRT_MAX in 32-bit mode.
2120
2121 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2122
2123         * doc/install.texi (Configuration, Specific): Wrap long
2124         lines in examples.  Allow line wrapping in long options
2125         and URLs where beneficial for PDF output.
2126
2127 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2128
2129         * config/mips/mips.c (mips_classify_symbol): Don't return
2130         SYMBOL_PC_RELATIVE for nonlocal labels.
2131
2132 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2133
2134         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2135
2136 2011-01-15  Jan Hubicka  <jh@suse.cz>
2137
2138         PR tree-optimization/47276
2139         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2140         declarations as needed.
2141
2142 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2143
2144         * common.opt (fdevirtualize): New flag.
2145         * doc/invoke.texi (Option Summary): Document it.
2146         * opts.c (default_options_table): Add devirtualize flag.
2147         * ipa-prop.c (detect_type_change): Return immediately if
2148         devirtualize flag is not set.
2149         (detect_type_change_ssa): Likewise.
2150         (compute_known_type_jump_func): Likewise.
2151         (ipa_analyze_virtual_call_uses): Likewise.
2152
2153 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2154
2155         PR tree-optimization/45934
2156         PR tree-optimization/46302
2157         * ipa-prop.c (type_change_info): New type.
2158         (stmt_may_be_vtbl_ptr_store): New function.
2159         (check_stmt_for_type_change): Likewise.
2160         (detect_type_change): Likewise.
2161         (detect_type_change_ssa): Likewise.
2162         (compute_complex_assign_jump_func): Check for dynamic type change.
2163         (compute_complex_ancestor_jump_func): Likewise.
2164         (compute_known_type_jump_func): Likewise.
2165         (compute_scalar_jump_functions): Likewise.
2166         (ipa_analyze_virtual_call_uses): Likewise.
2167         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2168
2169 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2170
2171         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2172         * config/i386/i386.opt (msse5): New Alias.
2173
2174 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2175
2176         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2177         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2178         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2179         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2180
2181 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2182
2183         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2184         -mcpu options.
2185         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2186         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2187         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2188         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2189         Likewise.
2190         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2191
2192 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2193
2194         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2195
2196 2011-01-14  Mike Stump  <mikestump@comcast.net>
2197
2198         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2199         * config/fr30/fr30.md: Likweise
2200         (movsi_push): Likewise.
2201         (movsi_pop): Likewise.
2202         (enter_func): Likewise.
2203         * config/moxie/moxie.md (movsi_push): Likewise.
2204         (movsi_pop): Likewise.
2205
2206 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2207
2208         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2209         %{no_archive} %{exact_version}.
2210         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2211         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2212         %{no_archive} %{exact_version}.
2213         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2214         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2215         * config/mips/vxworks.h: Likewise.
2216
2217 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2218
2219         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2220
2221 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2222
2223         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2224         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2225
2226 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2227
2228         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2229         -nodefaultlib.
2230
2231 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2232
2233         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2234         for mcpu not cpu.
2235         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2236         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2237         not cpu.
2238         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2239         Don't handle -shlib.
2240
2241 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2242
2243         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2244         (CC1_SPEC): Don't handle -profile.
2245
2246 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2247
2248         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2249         * config/mips/mips.h (CC1_SPEC): Likewise.
2250
2251 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2252
2253         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2254         * config/mips/mips.h (CC1_SPEC): Likewise.
2255
2256 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2257
2258         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2259         * config/m32r/linux.h (LINK_SPEC): Likewise.
2260         * config/mips/linux.h (LINK_SPEC): Likewise.
2261         * config/mips/linux64.h (LINK_SPEC): Likewise.
2262         * config/sparc/linux.h (LINK_SPEC): Likewise.
2263         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2264         LINK_SPEC): Likewise.
2265         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2266
2267 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2268
2269         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2270         %{version:-v}.
2271         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2272
2273 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2274
2275         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2276         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2277
2278 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2279
2280         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2281
2282 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2283
2284         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2285         supports -Bstatic/-Bdynamic.
2286         * configure: Regenerate.
2287
2288 2011-01-14  Jan Hubicka  <jh@suse.cz>
2289         Jack Howarth <howarth@bromo.med.uc.edu>
2290
2291         PR target/46037
2292         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2293         when checking debug_info_level. Test write_symbols instead of
2294         debug_hooks->var_location when setting flag_var_tracking_uninit.
2295
2296 2011-01-14  Richard Guenther  <rguenther@suse.de>
2297
2298         PR tree-optimization/47179
2299         * target.def (ref_may_alias_errno): New target hook.
2300         * targhooks.h (default_ref_may_alias_errno): Declare.
2301         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2302         (default_ref_may_alias_errno): New function.
2303         * target.h (struct ao_ref_s): Declare.
2304         * tree-ssa-alias.c: Include target.h.
2305         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2306         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2307         (targhooks.o): Likewise.
2308         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2309         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2310
2311 2011-01-14  Richard Guenther  <rguenther@suse.de>
2312
2313         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2314
2315 2011-01-14  Richard Guenther  <rguenther@suse.de>
2316
2317         PR tree-optimization/47280
2318         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2319         return CFG changes.
2320         (tree_ssa_forward_propagate_single_use_vars): Deal with
2321         CFG changes from associate_plusminus.
2322
2323 2011-01-14  Richard Guenther  <rguenther@suse.de>
2324
2325         PR middle-end/47281
2326         Revert
2327         2011-01-11  Richard Guenther  <rguenther@suse.de>
2328
2329         PR tree-optimization/46076
2330         * tree-ssa.c (useless_type_conversion_p): Conversions from
2331         unprototyped to empty argument list function types are useless.
2332
2333 2011-01-14  Richard Guenther  <rguenther@suse.de>
2334
2335         PR tree-optimization/47286
2336         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2337
2338 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2339
2340         PR middle-end/46823
2341         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2342
2343 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2344
2345         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2346         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2347         * config/xtensa/xtensa.c (xtensa_libcall_value,
2348         xtensa_function_value_regno_p): New functions.
2349         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2350
2351 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2352
2353         PR c++/47213
2354         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2355         PE specific hook.
2356         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2357         New function prototype.
2358         * config/i386/winnt.c (i386_pe_assemble_visibility):
2359         Warn only if attribute was specified by user.
2360
2361 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2362
2363         PR target/47251
2364         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2365         floating point.
2366         (floatunsdidf2_fcfidu): Ditto.
2367
2368 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2369
2370         * config/s390/s390.c (print_operand_address): Replace 'error' with
2371         'output_operand_lossage'.
2372         (print_operand): Likewise.
2373
2374 2011-01-13  Jeff Law  <law@redhat.com>
2375
2376         PR rtl-optimization/39077
2377         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2378         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2379         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2380         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2381         * gcse.c (prune_insertions_deletions): New function.
2382         (compute_pre_data): Use it.
2383
2384 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2385
2386         PR debug/PR46973
2387         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2388         static function.
2389         (prune_unused_types_mark): Use it.
2390
2391 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2392
2393         PR rtl-optimization/45352
2394         * sel-sched.c: Update copyright years.
2395         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2396         in the advancing loop when we have issued issue_rate insns.
2397
2398 2011-01-12  Richard Henderson  <rth@redhat.com>
2399
2400         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2401         (TARGET_MD_ASM_CLOBBERS): New.
2402
2403         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2404         (TARGET_DELEGITIMIZE_ADDRESS): New.
2405
2406         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2407         (clzsi2, *bsch): New patterns.
2408
2409         * config/mn10300/mn10300.md (INT): New mode iterator.
2410         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2411
2412         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2413         flag_split_wide_types.
2414
2415         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2416         (mn10300_trampoline_init): Rewrite without a template, an immediate
2417         load and a direct branch.
2418         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2419
2420 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2421
2422         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2423         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2424         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2425         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2426
2427 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2428
2429         PR debug/47209
2430         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2431         of type.
2432
2433 2011-01-12  Jan Hubicka  <jh@suse.cz>
2434
2435         PR driver/47244
2436         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2437         (PLUGIN_COND_CLOSE): New macro.
2438         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2439
2440 2011-01-12  Richard Guenther  <rguenther@suse.de>
2441
2442         PR lto/47259
2443         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2444         register variables in a MEM_REF.
2445
2446 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2447
2448         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2449         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2450         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2451         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2452         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2453         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2454         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2455         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2456         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2457         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2458         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2459         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2460         * config/gnu-user.h: New.  Copied from linux.h.
2461         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2462         GNU_USER_TARGET_STARTFILE_SPEC.
2463         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2464         GNU_USER_TARGET_ENDFILE_SPEC.
2465         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2466         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2467         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2468         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2469         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2470         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2471         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2472         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2473         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2474         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2475         * config/arm/linux-eabi.h (CC1_SPEC): Use
2476         GNU_USER_TARGET_CC1_SPEC.
2477         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2478         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2479         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2480         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2481         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2482         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2483         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2484         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2485
2486 2011-01-12  Richard Guenther  <rguenther@suse.de>
2487
2488         PR other/46946
2489         * doc/invoke.texi (ffast-math): Document it is turned on
2490         with -Ofast.
2491
2492 2011-01-12  Jan Hubicka  <jh@suse.cz>
2493
2494         PR tree-optimization/47233
2495         * opts.c (common_handle_option): Disable ipa-reference with profile
2496         feedback.
2497
2498 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2499
2500         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2501         error message.
2502
2503 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2504
2505         * c-parser.c (c_lex_one_token): Updated and reindented some
2506         comments.  No changes in code.
2507
2508 2011-01-11  Ian Lance Taylor  <iant@google.com>
2509
2510         * godump.c (go_output_var): Don't output the variable if there is
2511         already a type with the same name.
2512
2513 2011-01-11  Ian Lance Taylor  <iant@google.com>
2514
2515         * godump.c (go_format_type): Don't generate float80.
2516
2517 2011-01-11  Richard Henderson  <rth@redhat.com>
2518
2519         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2520         declaration.  Rewrite for both speed and size.
2521         (mn10300_address_cost_1): Remove.
2522         (mn10300_register_move_cost): New.
2523         (mn10300_memory_move_cost): New.
2524         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2525         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2526         extensions, shifts, BSWAP, CLZ.
2527         (mn10300_wide_const_load_uses_clr): Remove.
2528         (TARGET_REGISTER_MOVE_COST): New.
2529         (TARGET_MEMORY_MOVE_COST): New.
2530         * config/mn10300/mn10300-protos.h: Update.
2531         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2532
2533         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2534         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2535         * config/mn10300/mn10300-protos.h: Update.
2536         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2537         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2538         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2539         (*test_int_bitfield, *test_byte_bitfield): Remove.
2540         (*bit_test, *subreg_bit_test): Remove.
2541         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2542
2543         * config/mn10300/constraints.md ("c"): Rename from "A".
2544         ("A", "D"): New constraint letters.
2545         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2546         (fmssf4, fnmasf4, fnmssf4): Likewise.
2547
2548         * config/mn10300/mn10300.md (isa): New attribute.
2549         (enabled): New attribute.
2550
2551         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2552         (abssf2, negsf2): Define only for hardware fp.
2553         (sqrtsf2): Reformat.
2554         (addsf3, subsf3, mulsf3): Merge expander and insn.
2555
2556         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2557         (DEBUGGER_AUTO_OFFSET): Remove.
2558         (DEBUGGER_ARG_OFFSET): Remove.
2559
2560         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2561         Emit register stores with the same offsets as the hardware.
2562         (mn10300_store_multiple_operation): Don't check that the register
2563         save offsets are monotonic.
2564         * config/mn10300/mn10300-protos.h: Update.
2565
2566         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2567
2568         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2569         in terms of the value on the stack, not the MDR register.
2570
2571 2011-01-11  Jan Hubicka  <jh@suse.cz>
2572
2573         PR lto/45721
2574         PR lto/45375
2575         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2576         (symbol_alias_set_destroy, symbol_alias_set_contains,
2577         propagate_aliases_backward): Declare.
2578         * lto-streamer-out.c (struct sets): New sturcture.
2579         (trivally_defined_alias): New function.
2580         (output_alias_pair_p): Rewrite.
2581         (output_unreferenced_globals): Fix output of alias pairs.
2582         (produce_symtab): Likewise.
2583         * ipa.c (function_and_variable_visibility): Set weak alias destination
2584         as needed in lto.
2585         * varasm.c (symbol_alias_set_t): Remove.
2586         (symbol_alias_set_destroy): Export.
2587         (propagate_aliases_forward, propagate_aliases_backward): New functions
2588         based on ...
2589         (compute_visible_aliases): ... this one; remove.
2590         (trivially_visible_alias): New
2591         (trivially_defined_alias): New.
2592         (remove_unreachable_alias_pairs): Rewrite.
2593         (finish_aliases_1): Reorganize code checking if alias is defined.
2594         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2595         in LTO mode.
2596
2597 2011-01-11  Richard Guenther  <rguenther@suse.de>
2598
2599         PR tree-optimization/46076
2600         * tree-ssa.c (useless_type_conversion_p): Conversions from
2601         unprototyped to empty argument list function types are useless.
2602
2603 2011-01-11  Richard Guenther  <rguenther@suse.de>
2604
2605         PR middle-end/45235
2606         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2607         volatile MEMs as MEM_READONLY_P.
2608
2609 2011-01-11  Richard Guenther  <rguenther@suse.de>
2610
2611         PR tree-optimization/47239
2612         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2613
2614 2011-01-11  Jeff Law  <law@redhat.com>
2615
2616         PR tree-optimization/47086
2617         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2618         IVs from statements that might throw.
2619
2620 2011-01-10  Jan Hubicka  <jh@suse.cz>
2621
2622         PR lto/45375
2623         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2624
2625 2011-01-10  Jan Hubicka  <jh@suse.cz>
2626
2627         PR lto/45375
2628         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2629         when correcting profile.
2630
2631 2011-01-10  Jan Hubicka  <jh@suse.cz>
2632
2633         PR lto/46083
2634         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2635         DECL_FINI_PRIORITY.
2636         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2637         Restore DECL_FINI_PRIORITY.
2638
2639 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2640
2641         * doc/gimple.texi: Fix quoting of multi-word return values in
2642         @deftypefn statements.  Ensure presence of return value.  Wrap
2643         overlong @deftypefn lines.
2644         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2645         descriptions of removed functions.
2646         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2647         of multi-word return value in @deftypefn statement.
2648
2649 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2650
2651         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2652         (Conditional Expressions, Logical Operators)
2653         (Statement and operand traversals): Do not indent smallexample
2654         code.  Fix duplicate function argument in example.
2655
2656 2011-01-10  Jeff Law  <law@redhat.com>
2657
2658         PR tree-optimization/47141
2659         * ipa-split.c (split_function): Handle case where we are
2660         returning a value and the return block has a virtual operand phi.
2661
2662 2011-01-10  Jan Hubicka  <jh@suse.cz>
2663
2664         PR tree-optimization/47234
2665         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2666         (pass_feedback_split_functions): Declare.
2667         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2668         tree-profile.
2669         * ipa-split.c (gate_split_functions): Update comments; disable
2670         split-functions for profile_arc_flag and branch_probabilities.
2671         (gate_feedback_split_functions): New function.
2672         (execute_feedback_split_functions): New function.
2673         (pass_feedback_split_functions): New global var.
2674
2675 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2676
2677         PR lto/46760
2678         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2679         calling gimple_call_set_cannot_inline.
2680
2681 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2682
2683         * config/darwin-sections.def: Remove unused section.
2684
2685 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2686
2687         PR c++/47218
2688         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2689
2690 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2691
2692         PR objc/47232
2693         * c-parser.c (c_parser_declaration_or_fndef): Improved
2694         error message.
2695
2696 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2697
2698         * config/i386/winnt.c (i386_pe_start_function): Make sure
2699         to switch back to function's section.
2700
2701 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2702
2703         PR gcc/46902
2704         PR testsuite/46912
2705         * plugin.c: Move include of dlfcn.h from here...
2706         * system.h: ... to here.
2707
2708 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2709
2710         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2711         file name.
2712         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2713         two extra empty pages in PDF output.
2714
2715 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2716
2717         PR objc/47078
2718         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2719         for error recovery purposes behave as if it was not specified so
2720         that the default type is usd.
2721
2722 2011-01-07  Jan Hubicka  <jh@suse.cz>
2723
2724         PR tree-optmization/46469
2725         * ipa.c (function_and_variable_visibility): Clear needed flags on
2726         nodes with external decls; handle weakrefs merging correctly.
2727
2728 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2729
2730         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2731         not false.
2732
2733 2011-01-07  Jan Hubicka  <jh@suse.cz>
2734
2735         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2736         and no longer claim that gold is required for linker plugin.
2737         * configure: Regenerate.
2738         * gcc.c (PLUGIN_COND): New macro.
2739         (LINK_COMMAND_SPEC): Use it.
2740         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2741         * config.in (HAVE_LTO_PLUGIN): New.
2742         * configure.ac (--with-lto-plugin): New parameter; autodetect
2743         HAVE_LTO_PLUGIN.
2744
2745 2011-01-07  Jan Hubicka  <jh@suse.cz>
2746
2747         PR tree-optimization/46367
2748         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2749         when we can update original.
2750         (cgraph_mark_inline_edge): Sanity check.
2751         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2752
2753 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2754
2755         * config/spu/spu.h (ASM_COMMENT_START): Define.
2756
2757 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2758
2759         PR driver/42445
2760         * gcc.c (%>S): New.
2761         (SWITCH_KEEP_FOR_GCC): Likewise.
2762         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2763         (do_spec_1): Handle "%>".
2764
2765         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2766
2767 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR target/47201
2770         * config/i386/i386.c (ix86_delegitimize_address): If
2771         simplify_gen_subreg fails, return orig_x.
2772
2773         PR bootstrap/47187
2774         * value-prof.c (gimple_stringop_fixed_value): Handle
2775         lhs of the call properly.
2776
2777 2011-01-07  Jan Hubicka  <jh@suse.cz>
2778
2779         PR lto/45375
2780         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2781
2782 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2783
2784         * target.def (function_switched_text_sections): New hook.
2785         * doc/tm.texi: Regenerated.
2786         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2787         * final.c (default_function_switched_text_sections): New.
2788         (final_scan_insn): Call function_switched_text_sections when a
2789         mid-function section change occurs.
2790         * output.h (default_function_switched_text_sections): Declare.
2791         * config/darwin-protos.h (darwin_function_switched_text_sections):
2792         Likewise.
2793         * config/darwin.c (darwin_function_switched_text_sections): New.
2794         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2795
2796 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2797
2798         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2799         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2800         the secondary code fragment when outputting for DWARF == 2.
2801
2802 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2803
2804         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2805         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2806         Remove.
2807         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2808         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2809
2810 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2811
2812         PR debug/46704
2813         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2814         when it is not empty.
2815
2816 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2817
2818         Bobcat Enablement
2819         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2820         (case ${target}): Add btver1.
2821         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2822         -march=native recognize btver1 processors.
2823         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2824         btver1 def_and_undef
2825         * config/i386/i386.c (struct processor_costs btver1_cost): New
2826         btver1 cost table.
2827         (m_BTVER1): New definition.
2828         (m_AMD_MULTIPLE): Includes m_BTVER1.
2829         (initial_ix86_tune_features): Add btver1 tune.
2830         (processor_target_table): Add btver1 entry.
2831         (static const char *const cpu_names): Add btver1 entry.
2832         (software_prefetching_beneficial_p): Add btver1.
2833         (ix86_option_override_internal): Add btver1 instruction sets.
2834         (ix86_issue_rate): Add btver1.
2835         (ix86_adjust_cost): Add btver1.
2836         * config/i386/i386.h (TARGET_BTVER1): New definition.
2837         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2838         (enum processor_type): Add PROCESSOR_BTVER1.
2839         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2840
2841 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2842
2843         PR target/43309
2844         * config/i386/i386.c (legitimize_tls_address)
2845         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2846         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2847         (tls_initial_exec_64_sun): New pattern.
2848
2849 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2850
2851         * doc/invoke.texi (Overall Options): Improve wording and markup
2852         of the description of -wrapper.
2853
2854 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2855
2856         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2857         rdynamic, threads): New Driver options.
2858
2859 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2860
2861         PR target/38118
2862         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2863         if coming from .tdata.
2864         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2865
2866 2011-01-06  Jan Hubicka  <jh@suse.cz>
2867
2868         PR lto/47188
2869         * collect2.c (main): Do not enable LTOmode when plugin is active.
2870
2871 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2872
2873         PR other/45915
2874         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2875         --version output if supported.
2876         * configure: Regenerate.
2877
2878 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2879
2880         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2881         Driver options.
2882
2883 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2884
2885         PR c/47150
2886         * c-convert.c (convert): When converting a complex expression
2887         other than COMPLEX_EXPR to a different complex type, ensure
2888         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2889         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2890         when converting COMPLEX_TYPE.
2891
2892 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2893
2894         PR tree-optimization/47139
2895         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2896         only the last reduction value is used outside the loop.  Update
2897         documentation.
2898
2899 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2900
2901         * config/rtems.opt: New.
2902         * config.gcc (*-*-rtems*): Use rtems.opt.
2903
2904 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2905
2906         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2907         processors do not support 3DNow instructions.
2908
2909 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2910
2911         * config/spu/spu.c (spu_option_override): Set parameter
2912         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2913
2914 2011-01-05  Jan Hubicka  <jh@suse.cz>
2915
2916         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2917         at the command line.
2918
2919 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2920
2921         PR lto/47162
2922         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2923         deltas on streamed outgoing edges.
2924         (output_node_opt_summary): Output info for outgoing edges only when
2925         the node is in new parameter set.
2926         (output_cgraph_opt_summary): New parameter set, passed to the two
2927         aforementioned functions.  Update its forward declaration and its
2928         callee too.
2929
2930 2011-01-05  Tom Tromey  <tromey@redhat.com>
2931
2932         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2933         operator to c_finish_omp_atomic.
2934         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2935         (build_unary_op): Update.
2936         (build_modify_expr): Update.
2937         (build_asm_expr): Update.
2938
2939 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2940
2941         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2942         newly inserted insns.
2943         (pad_bb): Likewise.
2944         (spu_emit_branch_hint): Likewise.
2945         (insert_hbrp_for_ilb_runout): Likewise.
2946         (spu_machine_dependent_reorg): Call df_finish_pass after
2947         schedule_insns returns.
2948
2949 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2950
2951         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2952
2953 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2954
2955         PR tree-optimization/47005
2956         * tree-sra.c (struct access): Add 'non_addressable' bit.
2957         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2958         (decide_one_param_reduction): Return 0 if the parameter is passed by
2959         reference and one of the accesses in the group is non_addressable.
2960
2961 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2962
2963         PR tree-optimization/47056
2964         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2965         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2966         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2967
2968 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2969
2970         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2971         initializer.  Skip view conversions from aggregate types.
2972
2973 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2974
2975         PR bootstrap/47055
2976         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2977
2978 2011-01-04  Philipp Thomas <pth@suse.de>
2979
2980         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2981         obvious typo.
2982
2983 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2984
2985         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2986         on empty epilogue sequences.
2987
2988 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2989
2990         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2991         non-static): New Driver options.
2992
2993 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2994
2995         PR driver/47137
2996         * gcc.c (default_compilers[]): Set combinable field to 0
2997         for all assembly languages.
2998
2999 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
3000
3001         * config/mips/loongson3a.md: New file.
3002         * config/mips/mips.md: Include loongson3a.md.
3003         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3004         TUNE_LOONGSON_3A.
3005
3006 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
3007
3008         PR middle-end/47017
3009         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3010         instead of convert_memory_address_addr_space on the base expression.
3011
3012 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3013
3014         * config/spu/spu.c (spu_option_override): Update error text
3015         for bad -march= / -mtune= values.
3016
3017 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3018
3019         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3020         if branch-hint optimization will be performed.
3021
3022 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3023
3024         PR tree-optimization/47148
3025         * ipa-split.c (split_function): Convert arguments to
3026         DECL_ARG_TYPE if possible.
3027
3028         PR tree-optimization/47155
3029         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3030         when computing uns.
3031
3032         PR rtl-optimization/47157
3033         * combine.c (try_combine): If undobuf.other_insn becomes
3034         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3035         and set *new_direct_jump_p too.
3036
3037 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3038
3039         PR tree-optimization/47021
3040         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3041
3042 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3043
3044         * gcc.c (process_command): Update copyright notice dates.
3045         * gcov.c (print_version): Likewise.
3046         * gcov-dump.c (print_version): Likewise.
3047         * mips-tfile.c (main): Likewise.
3048         * mips-tdump.c (main): Likewise.
3049
3050 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3051
3052         PR tree-optimization/46801
3053         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3054         aggregate fields start at byte boundary instead of the bit-field flag.
3055
3056 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3057
3058         PR driver/47137
3059         * gcc.c (main): Revert revision 168407.
3060
3061 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3062
3063         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3064
3065 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3066
3067         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3068         vector optab to expand vector/scalar shift, update gimple to vector.
3069
3070 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3071
3072         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3073         a thunk.
3074
3075 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3076
3077         PR tree-optimization/46984
3078         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3079         HOST_WIDE_INT.
3080         (cgraph_create_indirect_edge): Fixed line length.
3081         (cgraph_indirect_call_info): Declare.
3082         (cgraph_make_edge_direct) Update declaration.
3083         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3084         (cgraph_create_indirect_edge): Use it.
3085         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3086         callees.
3087         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3088         the new thunk_delta representation.
3089         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3090         HOST_WIDE_INT.
3091         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3092         (ipa_read_indirect_edge_info): Likewise.
3093         * lto-cgraph.c (output_edge_opt_summary): New function.
3094         (output_node_opt_summary): Call it on all outgoing edges.
3095         (input_edge_opt_summary): New function.
3096         (input_node_opt_summary): Call it on all outgoing edges.
3097
3098 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3099
3100         PR driver/47137
3101         * gcc.c (main): Don't check have_o when settting combine_inputs.
3102
3103 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3104
3105         * regrename.c: Add general comment describing the pass.
3106         (struct du_head): Remove 'length' field.
3107         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3108         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3109         Force renaming to the preferred class (if any) in the first pass and do
3110         not consider registers that belong to it in the second pass.
3111         (create_new_chain): Do not set 'length' field.
3112         (scan_rtx_reg): Likewise.
3113
3114 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3115
3116         PR tree-optimization/47140
3117         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3118         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3119         to bit_value_binop.
3120
3121         PR rtl-optimization/47028
3122         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3123         parm_birth_insn instead of at the beginning of first bb.
3124
3125 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3126
3127         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3128         Remove the word "see" before "@pxref".
3129         * doc/rtl.texi: Remove the word "see" before "@pxref".
3130
3131 2011-01-01  Jan Hubicka  <jh@suse.cz>
3132
3133         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3134         memory.
3135
3136 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3137
3138         PR target/38662
3139         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3140
3141 \f
3142 Copyright (C) 2011 Free Software Foundation, Inc.
3143
3144 Copying and distribution of this file, with or without modification,
3145 are permitted in any medium without royalty provided the copyright
3146 notice and this notice are preserved.