gcc/ChangeLog

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